JP7755040B2 - aerosol generator - Google Patents

Description

This application relates to the technical field of electronic atomization, and more specifically to an aerosol generating device.

A heat not burning (HNB) device is an electronic device that heats an aerosol-generating substrate (a treated plant leaf product) without burning it. A heat not burning device heats the aerosol-generating substrate to a high temperature that can generate an aerosol but does not result in combustion, allowing the aerosol-generating substrate to generate the desired aerosol, without burning.

Currently, commercially available HNB devices primarily use a resistance heating method. Specifically, a central heating tip or needle is inserted into the aerosol-generating substrate through its center for heating . Such devices require preheating before use, resulting in long standby times and inability to freely switch between inhalation and deactivation. Furthermore, the aerosol-generating substrate carbonizes unevenly, resulting in insufficient baking, resulting in low utilization. Furthermore, the heating tip of an HNB device easily stains the aerosol-generating substrate removal device and the heating tip base, making cleaning difficult. Furthermore, the temperature of the aerosol-generating substrate in contact with the heating element can become too high, causing partial decomposition and the release of substances harmful to the human body. Therefore, microwave heating technology is gradually replacing resistance heating. Microwave heating technology is characterized by its efficient, rapid, selective, and no heating delay, and it can only heat materials with specific dielectric properties. The application advantages of microwave atomization include the following:

a. Microwave heating is radiative heating, not heat transfer, so instant inhalation and instant stopping are possible.

b. Because it does not have a heating tip, there are no problems with tip breakage or cleaning the heating tip.

c. The utilization rate of the aerosol-generating substrate is high, resulting in a more consistent draw, more similar to that of a cigarette.

However, conventional microwave-heated HNB devices cannot immediately control the microwave module to stop operating after the user stops inhaling, resulting in waste of electrical energy and aerosol-generating substrates .

The purpose of this application is to solve one of the technical problems existing in the prior art or related art.

The present application therefore provides an aerosol generating device.

In view of the above, the present application provides an aerosol generating device. The aerosol generating device includes: a housing including a resonant cavity; a microwave module provided in the housing and supplying microwaves into the resonant cavity; a mounting portion provided in the housing and at least a portion of which is located within the resonant cavity, the mounting portion including an atomization chamber, the atomization chamber being used to accommodate an aerosol-generating substrate; and a pressure sensor provided in the housing and located outside the resonant cavity, the pressure sensor having a collection end communicating with the atomization chamber and being used to collect air pressure values within the atomization chamber.

The aerosol generating device provided by the present application includes a housing, a microwave module, a mounting portion, and a pressure sensor. A resonant cavity is provided within the housing. The microwave output end of the microwave module is connected to the resonant cavity, and microwaves generated by the microwave module are supplied into the resonant cavity. A mounting portion is provided within the housing. An atomization chamber is provided inside the mounting portion. The atomization chamber is used to accommodate an aerosol-generating substrate. The microwave module supplies microwaves into the resonant cavity and transmits them to the mounting portion via the resonant cavity, thereby microwave-heating the aerosol-generating substrate in the atomization chamber.

By isolating the resonant cavity from the atomization chamber, the mounting section prevents liquid or solid debris generated after atomization of the aerosol-generating substrate in the atomization chamber from entering the resonant cavity. This prevents the aerosol generator from malfunctioning due to debris entering the resonant cavity.

The aerosol generating device further includes a pressure sensor. The collection end of the pressure sensor is in communication with the atomization chamber. The pressure sensor is capable of collecting the air pressure value within the atomization chamber. By providing the pressure sensor in the housing and positioning the pressure sensor outside the resonant cavity, the pressure sensor is not affected by microwaves transmitted within the resonant cavity. By collecting changes in the air pressure value within the atomization chamber using the pressure sensor, it is possible to detect whether the aerosol generating device is in an inhalation state based on the changes in the air pressure value within the atomization chamber. The operation of the microwave module is then controlled based on the inhalation state of the aerosol generating device.

In some embodiments, when it is detected that the aerosol-generating device is in an inhalation state, the microwave module is operated to atomize the aerosol-generating substrate in the atomization chamber by microwave heating. Furthermore, when the aerosol-generating device is not in an inhalation state, the operation of the microwave module is stopped to prevent the aerosol-generating substrate in the atomization chamber from continuing to be atomized by heating.

In some other embodiments, when the aerosol generator receives a preheating control command in an activated state, it controls the microwave module to operate at a first power until the indoor temperature value of the atomization chamber falls within a set temperature range. This maintains the indoor temperature value within the set temperature range, thereby preheating the aerosol-generating substrate in the atomization chamber. The aerosol generator also detects whether the aerosol generator is in an inhalation state and adjusts the first power based on the inhalation state of the aerosol generator . Specifically, when it is detected that the aerosol generator is in an inhalation state, it controls the microwave module to operate at a second power to rapidly increase the temperature in the atomization chamber. This causes the aerosol-generating substrate to rapidly receive heat and atomize, generating an aerosol. The second power is greater than the first power. On the other hand, when it is detected that the aerosol generator is not in an inhalation state, it controls the microwave module to maintain operation at the first power to continue preheating the aerosol-generating substrate.

In the present application, a pressure sensor collects air pressure values within the atomization chamber to detect whether the aerosol generator is in an inhalation state, and the operation of the microwave module is controlled based on the inhalation state. This allows the microwave module to be immediately controlled to stop operating after the user stops inhaling, thereby avoiding waste of electrical energy and aerosol-generating substrate. Furthermore, a preheating effect is achieved on the aerosol-generating substrate when the aerosol generator is not in an inhalation state, allowing the aerosol-generating substrate to be rapidly heated to the atomization temperature when the aerosol generator is in an inhalation state. This reduces energy consumption and improves the atomization efficiency of the aerosol-generating substrate, thereby improving the degree of atomization of the aerosol-generating substrate and improving the user experience.

In addition, the aerosol generating device in the above technical solution provided by this application may further have the following additional technical features:

In one possible design, the mounting portion includes a base body in which the atomization chamber is provided, and a guide member having one end connected to the base body and the other end connected to the collection end of the pressure sensor.

In this design, the mounting portion includes a base body and a guide member. The base body is mounted within the housing, and the base body and the atomization chamber surround and form a resonant cavity. The guide member is inserted into the housing. One end of the guide member is connected to the base body and is in communication with the atomization chamber. The other end of the guide member extends to the outside of the housing and is connected to the pressure sensor. The guide member connects the atomization chamber to the pressure sensor outside the housing, allowing the pressure sensor to directly collect the internal pressure value of the atomization chamber.

In one possible design, the guide member includes a first tube integrally molded to the base body and a second tube mounted on the housing, the first end of which passes through the housing and is connected to the first tube, the second end of which is connected to the pressure sensor, the collection end of the pressure sensor being located within the second tube.

In this design, the guide member includes a first tube and a second tube. The first tube is in communication with the base body. The second tube is attached to the side wall of the housing. The second tube passes through the housing and connects to the first tube. One end of the second tube located outside the housing is connected to the pressure sensor. By providing the guide member so that the first and second tubes are connected, the assembly process of the aerosol generating device can be simplified. It is also convenient for disassembling and cleaning the mounting portion separately.

The first tube is molded integrally with the base body, further reducing the number of assembly steps. The second tube is attached to the housing using a fastening member. Fastening members such as screws and rivets can be selected as the fastening member.

The assembly steps for the guide member and the mounting part include: inserting the base body, which is integrally molded with the first pipe, into the housing. Next, inserting the second pipe into the side wall of the housing and connecting the second pipe to the first pipe. This connects the first and second pipes to the atomization chamber inside the base body and ensures a tight seal between the first and second pipes. Finally, fastening the second pipe to the side wall of the housing with a fastening member completes the assembly process for the guide member and the mounting part. By providing the first and second pipes on the inside and outside of the housing, respectively, and connecting the first and second pipes to each other, it is possible to simplify the assembly steps for the guide member while ensuring the sealing performance of the guide member.

In a possible design, the mounting portion further includes an opening at one end of the base body. The opening communicates with the atomization chamber. The opening is used to allow the aerosol-generating substrate to enter the atomization chamber.

In this design, the mounting portion further includes an opening at one end of the base body. The opening faces the exterior of the housing. The opening communicates with the atomization chamber and is used to load the aerosol-generating substrate into the atomization chamber through the opening.

As can be seen, the aerosol-generating substrate is provided with an inhalation portion. The inhalation portion protrudes from the atomization chamber through an opening, allowing a user to inhale the aerosol-generating substrate through the inhalation portion.

In a possible design, the aerosol generating device further includes a first through hole provided in the housing, and the resonant cavity communicates with the outside of the room through the first through hole. The mounting portion further includes a second through hole provided in the base body, and the atomization chamber communicates with the resonant cavity through the second through hole.

In this design, the aerosol generator includes a first through-hole and a second through-hole. The first through-hole is provided in the housing and connects the resonant cavity to the outside of the housing. The second through-hole is provided in the base and connects the resonant cavity to the atomization chamber. When a user inhales through the inhalation portion of the aerosol-generating substrate, gas outside the housing passes through the first through-hole, the resonant cavity, the second through-hole, the atomization chamber, and the aerosol-generating substrate, in that order. Then, precipitates formed by heating the aerosol-generating substrate mix with the gas to form an aerosol, which is then discharged through the inhalation portion. This creates a gas flow path, allowing air from outside the housing to continuously replenish the atomization chamber during inhalation of the aerosol-generating substrate, ensuring sufficient atomization of the aerosol-generating substrate. This also prevents excessively high resistance to drawing from the aerosol-generating substrate due to a weak airflow, improving the user experience.

In a possible design, the mounting portion further includes at least two protrusions provided on the inner wall of the atomization chamber. The at least two protrusions protrude from the inner wall of the atomization chamber. A gap is provided between two adjacent protrusions of the at least two protrusions. The at least two protrusions are used to secure the aerosol-generating substrate.

In this design, the mounting portion further includes at least two protrusions provided on the inner wall of the atomization chamber. The at least two protrusions are capable of securing the aerosol-generating substrate. When the aerosol-generating substrate is inserted into the atomization chamber through the opening, the at least two protrusions abut against the outer wall of the aerosol-generating substrate, thereby securing the aerosol-generating substrate. This prevents the aerosol-generating substrate from slipping out of the atomization chamber.

A gap is provided between two adjacent protrusions among the at least two protrusions. An airflow path is formed by the gap between the two adjacent protrusions and the air gap between the aerosol-generating substrate and the side wall of the atomization chamber.

When a user inhales through the inhalation portion of the aerosol-generating substrate, gas from outside the housing passes through the gap between two adjacent protrusions, the gap between the aerosol-generating substrate and the side wall of the atomization chamber, and then through the aerosol-generating substrate. When the aerosol-generating substrate is heated, precipitates mix with the gas to form an aerosol, which is then expelled from the inhalation portion. This allows air from outside the housing to be constantly replenished into the atomization chamber during the inhalation process of the aerosol-generating substrate, ensuring sufficient atomization of the aerosol-generating substrate. It also improves the user experience by preventing situations where the aerosol-generating substrate's resistance to inhalation is excessively high due to an airflow that is too small.

In one possible design, at least two protrusions are located on the inner wall of the atomization chamber adjacent to the opening, and the at least two protrusions are uniformly distributed around the circumference of the atomization chamber.

In this design, at least two protrusions are uniformly arranged along the axial direction of the atomization chamber. The uniformly distributed protrusions provide a good fixing effect on the aerosol-generating substrate, preventing the aerosol-generating substrate from falling out of the atomization chamber during inhalation. Furthermore, while the aerosol-generating substrate generates some debris during inhalation, the at least two protrusions are located at one end close to the opening, allowing the user to easily clean any debris adhering to the protrusions. This prevents debris from clogging the gaps between the protrusions, improving the operational stability of the aerosol generator.

In one possible design, the mounting portion further includes a groove. The groove is provided on the inner wall of the atomization chamber and extends along the centerline of the atomization chamber.

In this design, the mounting portion further includes a groove formed in the inner wall of the atomization chamber. After the aerosol-generating substrate is inserted into the atomization chamber through the opening, the aerosol-generating substrate comes into contact with the inner wall of the atomization chamber, preventing the aerosol-generating substrate from falling out of the atomization chamber due to the friction between the inner wall of the atomization chamber and the aerosol-generating substrate.

When a user inhales through the inhalation part of the aerosol-generating substrate, gas outside the housing passes through the groove and then the aerosol-generating substrate. When the aerosol-generating substrate is heated, precipitates mix with the gas to form an aerosol, which is then expelled from the inhalation part. This allows air outside the housing to be constantly replenished into the atomization chamber during the inhalation process of the aerosol-generating substrate, ensuring sufficient atomization of the aerosol-generating substrate. It also prevents situations where the aerosol-generating substrate's resistance to inhalation is excessively high due to an airflow that is too small, improving the user experience.

In a possible design, the number of grooves is at least two, and the at least two grooves are evenly distributed around the circumference of the atomization chamber.

In this design, multiple grooves are evenly distributed on the inner circumferential sidewall of the atomization chamber, allowing external air to come into uniform contact with the aerosol-generating substrate. This allows the precipitate on the aerosol-generating substrate to mix sufficiently with the air to form an aerosol, improving the atomization efficiency of the aerosol-generating substrate.

As can be seen, by rationally setting the number and inner diameter of the grooves, the suction resistance of the aerosol generating device can be adjusted.

In one possible design, the attachment further includes a spacer disposed in the atomization chamber. The spacer divides the atomization chamber into a first chamber and a second chamber. The first chamber is in communication with the second chamber. The first chamber is used to contain the aerosol-generating substrate.

In this design, the attachment further includes a spacer disposed within the atomization chamber. The spacer divides the atomization chamber into a first chamber and a second chamber that communicate with each other. The first chamber is used to contain the aerosol-generating substrate, and the second chamber communicates with the air outside the atomization chamber.

When a user inhales through the inhalation portion of the aerosol-generating substrate, air from outside the housing passes through the second chamber, the first chamber, and the aerosol-generating substrate in that order. That is, the air passes through the second chamber, enters the first chamber, and comes into contact with the aerosol-generating substrate. When the aerosol-generating substrate is heated, precipitates mix with the gas to form an aerosol, which is then expelled from the inhalation portion. This allows air from outside the housing to constantly replenish the atomization chamber during the inhalation process of the aerosol-generating substrate, ensuring sufficient atomization of the aerosol-generating substrate. It also improves the user experience by preventing situations where the aerosol-generating substrate's resistance to inhalation is excessively high due to an airflow that is too small.

In one possible design, the first and second chambers are distributed in a coaxial annular fashion, with the second chamber located outside the first chamber.

In this design, the second chamber is annularly arranged outside the first chamber, so that after passing through the second chamber, air enters the first chamber evenly from the outside. This allows the external air to come into uniform contact with the aerosol-generating substrate, allowing the deposits on the aerosol-generating substrate to mix sufficiently with the air and form an aerosol. This improves the atomization effect of the aerosol-generating substrate.

In one possible design, the mounting portion further includes a third through-hole provided in the spacer. The third through-hole is located at the end of the spacer that is connected to the bottom wall of the atomization chamber.

In this design, the mounting portion further includes a third through-hole. The third through-hole is provided in the spacer and connects the first chamber to the second chamber.

In a possible design, the mounting portion further includes a support portion provided on the bottom wall of the atomization chamber. The support portion protrudes from the bottom wall of the atomization chamber.

In this design, the mounting portion further includes a support portion attached to the bottom wall of the atomization chamber. The support portion supports the aerosol-generating substrate, creating a gap between the aerosol-generating substrate and the bottom wall of the atomization chamber. This allows air entering the atomization chamber from the outside to come into contact with the bottom end of the aerosol-generating substrate, further improving the mixing effect between the air and the precipitate formed when the aerosol-generating substrate is heated. This allows the precipitate on the aerosol-generating substrate to mix sufficiently with the air to form an aerosol, improving the atomization effect of the aerosol-generating substrate.

In one possible design, the housing includes a main body and an end cover removably connected to the main body, with the mounting portion inserted into the end cover, and the end cover and main body enclosing the resonant cavity.

In this design, the housing includes a main body and an end cover. The mounting portion is provided on the end cover, which is removably connected to the main body. This makes it convenient for users to remove the end cover and disassemble and clean the mounting portion separately, thereby avoiding damage caused by water intrusion when cleaning the entire aerosol generating device.

In a possible design, the aerosol generating device further includes a resonant rod disposed within the resonant cavity, the first end of the resonant rod being connected to the bottom wall of the resonant cavity, and the second end of the resonant rod being disposed to correspond to the mounting portion.

In this design, a resonant rod is used for resonant transmission of microwaves. A first end of the resonant rod is connected to the bottom wall of the resonant cavity, and a second end of the resonant rod is provided corresponding to the mounting part. The microwaves supplied by the microwave module into the resonant cavity are transmitted from the first end to the second end of the resonant rod, thereby microwave-heating the aerosol-generating substrate in the atomization chamber of the mounting part.

The atomization chamber and resonant cavity are isolated by the mounting section, which prevents liquid or solid debris generated after atomization of the aerosol-generating substrate in the atomization chamber from entering the resonant cavity. This prevents the microwave module from malfunctioning due to debris entering the resonant cavity.

In some embodiments, the inner walls of the resonant cavity and the resonant rods are made of a conductive material, which can be a metallic material such as gold, copper, or silver.

In some embodiments, the inner wall of the resonant cavity and the outer wall of the resonant rod are provided with a conductive coating layer. The conductive coating layer may be selected from metal coating layers such as gold-plated layers, copper-plated layers, or silver-plated layers.

In these embodiments, the resonant cavity and resonant rod are made of a metal that is highly stable and has excellent conductivity. This not only prevents microwaves from leaking out, but also prevents the inner walls of the resonant cavity and the resonant rod from rusting.

In some embodiments, the portion of the mounting portion located inside the resonant cavity is made of a material with low dielectric loss, such as a PTFE (polytetrafluoroethylene) material, glass material, or ceramic material. This allows microwaves to be transmitted to the atomization chamber within the mounting portion, thereby heating the aerosol-generating substrate within the atomization chamber and generating an aerosol.

In some embodiments, the mounting portion is removably connected to the housing.

In these embodiments, the atomization chamber for containing the aerosol-generating substrate is provided within the mounting portion. This allows the atomization chamber to be disassembled and cleaned separately by removing the mounting portion, improving the user experience.

In one possible design, the resonating rod is spaced apart from the mounting portion.

In this design, a gap is provided between the resonating rod and the mounting part, which prevents the resonating rod from being pressed during the process of assembling the mounting part to the housing. This reduces the requirements for precision in the production and assembly of the resonating rod and mounting part.

In a possible design, the aerosol generating device further includes a fixing part provided on the mounting part and positioned within the resonant cavity. The fixing part includes a position restricting chamber, and at least a portion of the resonant rod is positioned within the position restricting chamber.

In this design, the aerosol generator further includes a fixing portion provided on the mounting portion. A position restriction chamber is provided within the fixing portion, and at least a portion of the resonator rod is positioned within the position restriction chamber. By fixing the resonator rod using the position restriction chamber, the fixing portion provides a certain degree of vibration damping for the resonator rod. This prevents the resonator rod from falling out due to vibration.

In some embodiments, the fixing portion and the mounting portion are integrally molded.

In these embodiments, the fixed portion and mounting portion, which are formed as a single unit, have high bonding strength, improving the stabilization effect of the fixed portion on the resonating rod.

In one possible design, the axis of the atomization chamber and the axis of the resonating rod are coaxial.

In this design, the atomization chamber and resonator rod are arranged coaxially, ensuring that the microwaves transmitted to the atomization chamber via the resonator rod are transmitted to the center of the chamber. This improves the uniformity with which the microwaves heat the aerosol-generating substrate within the atomization chamber, avoiding uneven heating of the aerosol-generating substrate caused by microwave concentration within the atomization chamber, thereby further improving the atomization effect of the aerosol-generating substrate.

In one possible design, the microwave module includes a microwave introduction section provided on the side wall of the housing and communicating with the resonant cavity, and a microwave emission source connected to the microwave introduction section, such that microwaves output from the microwave emission source are supplied to the resonant cavity via the microwave introduction section, and the microwaves are transmitted in a direction from the first end of the resonant rod to the second end of the resonant rod.

In this design, the microwave module includes a microwave emission source and a microwave introduction section. The microwave emission source is used to generate microwaves. The microwave introduction section, located on the side wall of the housing, is used to transport the microwaves generated by the microwave emission source into the resonant cavity. The microwaves are supplied to the resonant cavity via the microwave introduction section. The microwaves can then be transmitted in a direction from the first end of the resonant rod to the second end of the resonant rod. This allows the microwaves to act directly on the aerosol-generating substrate in the atomization chamber, improving the atomization effect of the aerosol-generating substrate.

In one possible design, the microwave introduction section includes a first introduction member provided on the side wall of the housing and connected to the microwave emission source, and a second introduction member having a first end connected to the first introduction member, positioned within the resonant cavity, and a second end facing the bottom wall of the resonant cavity.

In this design, the microwave introduction section includes a first introduction member and a second introduction member. The first introduction member is inserted into the side wall of the housing. The first end of the first introduction member is connected to the microwave emission source. As a result, microwaves generated by the microwave emission source enter the microwave introduction section from the first end of the first introduction member. The second end of the first introduction member is connected to the first end of the second introduction member. The second end of the second introduction member faces the bottom wall of the resonant cavity. After being transmitted via the first and second introduction members, the microwaves are transmitted from the bottom wall of the resonant cavity to the atomization chamber, where they atomize the aerosol-generating substrate in the atomization chamber by microwave heating.

The first introduction section is arranged coaxially with the microwave output end of the microwave emission source. The second introduction member has a horizontal introduction section and a vertical introduction section. The axis of the horizontal introduction section is parallel to the bottom wall of the resonant cavity, and the axis of the vertical introduction section is perpendicular to the bottom wall of the resonant cavity. The horizontal introduction section is connected to the vertical introduction section via a bend. The horizontal introduction section is also arranged coaxially with the first introduction section. By providing the microwave introduction sections as described above, all microwaves generated by the microwave emission source can enter the resonant cavity and be transmitted within the resonant cavity by the resonant rod.

In a possible design, the aerosol generating device further includes a recess in the bottom wall of the resonant cavity, with the second end of the second introduction member positioned within the recess.

In this design, the aerosol generating device further includes a recessed portion on the bottom wall of the resonant cavity, the recessed portion being located corresponding to the second end of the second introducing member, the second end of the second introducing member extending into the recessed portion, so that microwaves entering the resonant cavity can be transmitted in a direction from the second end of the resonant rod to the first end, thereby reducing energy loss during the microwave transmission process.

In one possible design, the microwave introduction section includes a third introduction member attached to the side wall of the housing. A first end of the third introduction member is connected to the microwave emission source, and a second end of the third introduction member faces the resonant rod.

In this design, the microwave introduction section further includes a third introduction member. The third introduction member is arranged coaxially with the microwave output end of the microwave emission source. The first end of the third introduction member is connected to the microwave emission source, and the second end of the third introduction member faces the resonant rod. By arranging the third introduction member coaxially with the microwave output end of the microwave emission source and connecting the third introduction member to the resonant rod, microwaves are transmitted directly to the resonant rod. This allows all microwaves output from the microwave emission source to enter the resonant cavity.

The above and/or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments taken in conjunction with the drawings.

FIG. 1 shows a schematic structural diagram 1 of an aerosol generating device according to one embodiment of the present invention. FIG. 2 is a partial enlarged view of part A of the aerosol generating device shown in FIG. FIG. 3 shows a schematic structural diagram 2 of an aerosol generating device according to one embodiment of the present invention. FIG. 4 shows a schematic structural diagram 1 of the mounting portion of the aerosol generating device according to one embodiment of the present invention. FIG. 5 shows a schematic structural diagram 2 of the mounting portion of the aerosol generating device in one embodiment of the present application. FIG. 6 shows a schematic structural diagram 1 of a mounting portion of an aerosol generating device according to another embodiment of the present invention. FIG. 7 shows a schematic structural diagram 2 of the mounting portion of the aerosol generating device according to another embodiment of the present invention. FIG. 8 shows a schematic structural diagram 1 of a mounting portion of an aerosol generating device according to another embodiment of the present invention. FIG. 9 shows a schematic structural diagram 2 of the mounting portion of the aerosol generating device in another embodiment of the present invention. FIG. 10 shows a schematic structural diagram 3 of an aerosol generating device according to one embodiment of the present invention.

In order to make the above-mentioned objects, features, and advantages of the present application more clearly understandable, the present application will be described in more detail below in combination with drawings and specific embodiments. It should be noted that, where not inconsistent, the embodiments and features of the embodiments of the present application may be combined with each other.

In the following description, numerous specific details are set forth to provide a thorough understanding of the present application; however, the present application may be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

Aerosol generating devices according to some embodiments of the present invention will be described below with reference to FIGS.

As shown in Figures 1 and 3, one embodiment of the present application provides an aerosol generating device 100 including a housing 110, a microwave module 130, a mounting portion 140, and a pressure sensor 150.

The housing 110 includes a resonant cavity 120.

The microwave module 130 is mounted in the housing 110. The microwave module 130 is used to supply microwaves into the resonant cavity 120.

The mounting portion 140 is provided on the housing 110. At least a portion of the mounting portion 140 is located within the resonant cavity 120. The mounting portion 140 includes an atomization chamber 143. The atomization chamber 143 is used to contain an aerosol-generating substrate.

The pressure sensor 150 is mounted on the housing 110 and is located outside the resonant cavity 120. The collection end of the pressure sensor 150 is in communication with the atomization chamber 143 and is used to collect the air pressure value within the atomization chamber 143.

The aerosol generating device 100 provided in this embodiment includes a housing 110, a microwave module 130, a mounting portion 140, and a pressure sensor 150. A resonant cavity 120 is provided within the housing 110. The microwave output end of the microwave module 130 is connected to the resonant cavity 120, and microwaves generated by the microwave module 130 are supplied into the resonant cavity 120. The mounting portion 140 is provided within the housing 110. An atomization chamber 143 is provided within the mounting portion 140. The atomization chamber 143 is used to accommodate an aerosol-generating substrate. The microwave module 130 supplies microwaves into the resonant cavity 120 and transmits them to the mounting portion 140 via the resonant cavity 120, thereby microwave-heating the aerosol-generating substrate within the atomization chamber 143.

By isolating the resonant cavity 120 from the atomization chamber 143, the mounting portion 140 prevents liquid or solid debris generated after atomization of the aerosol-generating substrate in the atomization chamber 143 from entering the resonant cavity 120. This prevents the aerosol generating device 100 from malfunctioning due to debris entering the resonant cavity 120.

The aerosol generating device 100 further includes a pressure sensor 150. The collection end of the pressure sensor 150 is in communication with the atomization chamber 143. The pressure sensor 150 is capable of collecting the air pressure value within the atomization chamber 143. By providing the pressure sensor 150 in the housing 110 and positioning the pressure sensor 150 outside the resonant cavity 120, the pressure sensor 150 is not affected by microwaves transmitted within the resonant cavity 120. By collecting changes in the air pressure value within the atomization chamber 143 using the pressure sensor 150, it is possible to detect whether the aerosol generating device 100 is in an inhalation state based on the changes in the air pressure value within the atomization chamber 143. The operation of the microwave module 130 is then controlled based on the inhalation state of the aerosol generating device 100.

In some embodiments, when it is detected that the aerosol generating device 100 is in an inhalation state, the microwave module 130 is operated to atomize the aerosol-generating substrate in the atomization chamber 143 by microwave heating. Furthermore, when the aerosol generating device 100 is not in an inhalation state, the operation of the microwave module 130 is stopped to prevent the aerosol-generating substrate in the atomization chamber 143 from continuing to be atomized by heating.

In some other embodiments, when the aerosol generating device 100 receives a preheating control command in an activated state, it controls the microwave module 130 to operate at the first power until the room temperature value of the atomization chamber 143 falls within the set temperature range. This maintains the room temperature value within the set temperature range, thereby preheating the aerosol-generating substrate in the atomization chamber 143. The aerosol generating device 100 also detects whether the aerosol generating device 100 is in an inhalation state and adjusts the first power based on the inhalation state of the aerosol generating device 100. Specifically, when it is detected that the aerosol generating device 100 is in an inhalation state, it controls the microwave module 130 to operate at the second power to rapidly increase the temperature in the atomization chamber 143. This causes the aerosol-generating substrate to rapidly receive heat and atomize, generating an aerosol. The second power is greater than the first power. On the other hand, when it is detected that the aerosol generating device 100 is not in an inhalation state, it controls the microwave module 130 to maintain operation at the first power to continue preheating the aerosol-generating substrate.

In the present application, the pressure sensor 150 collects the air pressure value within the atomization chamber 143 to detect whether the aerosol generator 100 is in an inhalation state, and the operation of the microwave module 130 is controlled based on the inhalation state. This allows the microwave module 130 to be immediately stopped after the user stops inhaling, thereby avoiding waste of electrical energy and aerosol-generating substrate. Furthermore, a preheating effect is achieved on the aerosol-generating substrate when the aerosol generator 100 is not in an inhalation state, allowing the aerosol-generating substrate to be rapidly heated to the atomization temperature when in an inhalation state. This reduces energy consumption and improves the atomization efficiency of the aerosol-generating substrate, thereby improving the degree of atomization of the aerosol-generating substrate and improving the user experience.

Furthermore, the aerosol generating device 100 in the above technical solution provided by this application may further have the following additional technical features:

As shown in Figures 1 and 3, in any of the above embodiments, the mounting portion 140 includes a base body 141, a guide member 142, and an atomization chamber 143.

The atomization chamber 143 is located within the base body 141.

One end of the guide member 142 is connected to the base body 141 and communicates with the atomization chamber 143. The other end of the guide member 142 is connected to the collection end of the pressure sensor 150.

In this embodiment, the mounting portion 140 includes a base body 141 and a guide member 142. The base body 141 is disposed within the housing 110. The base body 141 and the atomization chamber 143 surround and define the resonant cavity 120. The guide member 142 is inserted into the housing 110. One end of the guide member 142 is connected to the base body 141 and communicates with the atomization chamber 143. The other end of the guide member 142 extends to the outside of the housing 110 and is connected to the pressure sensor 150. The guide member 142 connects the atomization chamber 143 to the pressure sensor 150 outside the housing 110, allowing the pressure sensor 150 to directly collect the internal pressure value of the atomization chamber 143.

As shown in FIG. 1, in any of the above embodiments, the guide member 142 includes a first tube 1422 and a second tube 1424.

The first pipe member 1422 is integrally molded with the base body 141.

The second tubing 1424 is provided in the housing 110. A first end of the second tubing 1424 passes through the housing 110 and is connected to the first tubing 1422. The second end of the second tubing 1424 is connected to the pressure sensor 150. The collection end of the pressure sensor 150 is located within the second tubing 1424.

In this embodiment, the guide member 142 includes a first pipe 1422 and a second pipe 1424. The first pipe 1422 is connected to the base body 141. The second pipe 1424 is provided on the side wall of the housing 110. The second pipe 1424 passes through the housing 110 and is connected to the first pipe 1422. One end of the second pipe 1424 located outside the housing 110 is connected to the pressure sensor 150. By providing the guide member 142 so that the first pipe 1422 and the second pipe 1424 are connected, the assembly process of the aerosol generation device 100 can be simplified. It is also convenient for the mounting portion 140 to be disassembled and cleaned separately.

The first pipe member 1422 is molded integrally with the base body 141, further reducing the number of assembly steps. The second pipe member 1424 is attached to the housing 110 by a fastening member. Fastening members such as screws and rivets can be selected as the fastening member.

The assembly steps for the guide member 142 and the mounting portion 140 include: inserting the base body 141, which is integrally formed with the first pipe 1422, into the housing 110. Next, inserting the second pipe 1424 into the side wall of the housing 110, and connecting the second pipe 1424 to the first pipe 1422. This connects the first pipe 1422 and the second pipe 1424 to the atomization chamber 143 inside the base body 141 and ensures a tight seal between the first pipe 1422 and the second pipe 1424. Finally, fastening the second pipe 1424 to the side wall of the housing 110 with a fastener completes the assembly process for the guide member 142 and the mounting portion 140. By providing a first pipe 1422 and a second pipe 1424 on the inside and outside of the housing 110, respectively, and connecting the first pipe 1422 and the second pipe 1424 to each other, it is possible to simplify the assembly steps for the guide member 142 while ensuring the sealing performance of the guide member 142.

In any of the above embodiments, the mounting portion 140 further includes an opening. The opening is provided at one end of the base body 141. The opening communicates with the atomization chamber 143. The opening is used to allow the aerosol-generating substrate to enter the atomization chamber 143.

In this embodiment, the mounting portion 140 further includes an opening provided at one end of the base body 141. The opening faces the outside of the housing 110. The opening communicates with the atomization chamber 143 and is used to load the aerosol-generating substrate into the atomization chamber 143 through the opening.

As can be seen, the aerosol-generating substrate is provided with an inhalation portion. The inhalation portion protrudes from the atomization chamber 143 through an opening, allowing the user to inhale the aerosol-generating substrate through the inhalation portion.

As shown in FIG. 3, in any of the above embodiments, the aerosol generating device 100 further includes a first through hole 160.

A first through-hole 160 is provided in the housing 110, and the resonant cavity 120 is connected to the outside through the first through-hole 160.

The mounting portion 140 further includes a second through-hole 144 provided in the base body 141. The atomization chamber 143 is in communication with the resonant cavity 120 through the second through-hole 144.

In this embodiment, the aerosol generating device 100 includes a first through hole 160 and a second through hole 144. The first through hole 160 is provided in the housing 110 and connects the resonant cavity 120 to the outside of the housing 110. The second through hole 144 is provided in the base body 141 and connects the resonant cavity 120 to the atomization chamber 143. When a user inhales through the inhalation portion of the aerosol-generating substrate, gas outside the housing 110 passes through the first through hole 160, the resonant cavity 120, the second through hole 144, the atomization chamber 143, and the aerosol-generating substrate in that order. When the aerosol-generating substrate is heated, precipitates mix with the gas to form an aerosol, which is then discharged from the inhalation portion. This creates a gas flow path, which allows air from outside the housing 110 to be constantly replenished into the atomization chamber 143 during the inhalation process of the aerosol-generating substrate, ensuring sufficient atomization of the aerosol-generating substrate. It also prevents situations where the airflow is too small, resulting in excessive resistance to inhalation of the aerosol-generating substrate, improving the user experience.

As shown in Figures 4 and 5, in any of the above embodiments, the mounting portion 140 further includes at least two protrusions 145.

At least two protrusions 145 are provided on the inner wall of the atomization chamber 143. Furthermore, at least two protrusions 145 protrude from the inner wall of the atomization chamber 143. A gap is provided between two adjacent protrusions 145 of the at least two protrusions 145. The at least two protrusions 145 are used to secure the aerosol-generating substrate.

In this embodiment, the mounting portion 140 further includes at least two protrusions 145 provided on the inner wall of the atomization chamber 143. The at least two protrusions 145 are capable of securing the aerosol-generating substrate. When the aerosol-generating substrate is inserted into the atomization chamber 143 through the opening, the at least two protrusions 145 abut against the outer wall of the aerosol-generating substrate, thereby securing the aerosol-generating substrate. This prevents the aerosol-generating substrate from slipping out of the atomization chamber 143.

Of the at least two protrusions 145, two adjacent protrusions 145 are spaced apart. An airflow path is formed by the gap between the two adjacent protrusions 145 and the gap between the aerosol-generating substrate and the side wall of the atomization chamber 143.

When a user inhales through the inhalation portion of the aerosol-generating substrate, gas outside the housing 110 passes sequentially through the gap between two adjacent protrusions 145, the gap between the aerosol-generating substrate and the side wall of the atomization chamber 143, and the aerosol-generating substrate. When the aerosol-generating substrate is heated, precipitates mix with the gas to form an aerosol, which is then expelled from the inhalation portion. This allows air outside the housing 110 to be constantly replenished into the atomization chamber 143 during the inhalation process of the aerosol-generating substrate, ensuring sufficient atomization of the aerosol-generating substrate. It also prevents situations where the aerosol-generating substrate's resistance to inhalation is excessively high due to an airflow that is too small, improving the user experience.

In any of the above embodiments, at least two protrusions 145 are located on the inner wall of the atomization chamber 143 adjacent to the opening. Furthermore, the at least two protrusions 145 are uniformly distributed around the circumference of the atomization chamber 143.

In this embodiment, at least two protrusions 145 are uniformly arranged around the circumferential direction of the atomization chamber 143. The uniformly distributed protrusions 145 can effectively fix the aerosol-generating substrate, preventing the aerosol-generating substrate from falling out of the atomization chamber 143 during inhalation. Furthermore, although the aerosol-generating substrate generates some dust during inhalation, the at least two protrusions 145 are arranged at one end close to the opening, allowing the user to easily clean the dust adhering to the protrusions 145. This prevents dust from clogging the gaps between the protrusions 145, improving the operational stability of the aerosol generating device 100.

As shown in Figures 6 and 7, in any of the above embodiments, the mounting portion 140 further includes a recessed groove 146.

The groove 146 is provided on the inner wall of the atomization chamber 143. The groove 146 extends along the centerline of the atomization chamber 143.

In this embodiment, the mounting portion 140 further includes a groove 146 provided on the inner wall of the atomization chamber 143. After the aerosol-generating substrate is inserted into the atomization chamber 143 through the opening, the aerosol-generating substrate comes into contact with the inner wall of the atomization chamber 143, and the friction between the inner wall of the atomization chamber 143 and the aerosol-generating substrate prevents the aerosol-generating substrate from falling out of the atomization chamber 143.

When a user inhales through the inhalation portion of the aerosol-generating substrate, gas outside the housing 110 passes through the groove 146 and then the aerosol-generating substrate. When the aerosol-generating substrate is heated, precipitates mix with the gas to form an aerosol, which is then expelled from the inhalation portion. This allows air outside the housing 110 to be constantly replenished into the atomization chamber 143 during the inhalation process of the aerosol-generating substrate, ensuring sufficient atomization of the aerosol-generating substrate. It also prevents situations where the aerosol-generating substrate's resistance to inhalation is excessively high due to an airflow that is too small, improving the user experience.

In any of the above embodiments, the number of grooves 146 is at least two. Furthermore, the at least two grooves 146 are uniformly distributed around the periphery of the atomization chamber 143.

In this embodiment, multiple grooves 146 are uniformly distributed on the inner circumferential sidewall of the atomization chamber 143, allowing external air to uniformly contact the aerosol-generating substrate. This allows the precipitate of the aerosol-generating substrate to mix sufficiently with the air to form an aerosol, improving the atomization effect of the aerosol-generating substrate.

As can be seen, the suction resistance of the aerosol generating device 100 can be adjusted by rationally setting the number and inner diameter of the grooves 146.

As shown in Figures 8 and 9, in any of the above embodiments, the mounting portion 140 further includes a spacer 147.

A spacer 147 is provided in the atomization chamber 143. The spacer 147 divides the atomization chamber 143 into a first chamber 1432 and a second chamber 1434. The first chamber 1432 is in communication with the second chamber 1434. The first chamber 1432 is used to contain the aerosol-generating substrate.

In this embodiment, the mounting portion 140 further includes a spacer 147 disposed within the atomization chamber 143. The spacer 147 divides the atomization chamber 143 into a first chamber 1432 and a second chamber 1434 that communicate with each other. The first chamber 1432 is used to contain the aerosol-generating substrate, and the second chamber 1434 communicates with the air outside the atomization chamber 143.

When a user inhales through the inhalation portion of the aerosol-generating substrate, air from outside the housing 110 passes through the second chamber 1434, the first chamber 1432, and the aerosol-generating substrate in that order. That is, the air passes through the second chamber 1434 and enters the first chamber 1432, where it comes into contact with the aerosol-generating substrate. When the aerosol-generating substrate is heated, precipitates mix with the gas to form an aerosol, which is then discharged through the inhalation portion. This allows air from outside the housing 110 to be constantly replenished into the atomization chamber 143 during the inhalation process of the aerosol-generating substrate, ensuring sufficient atomization of the aerosol-generating substrate. This also prevents situations where the aerosol-generating substrate's inhalation resistance becomes excessively large due to an airflow that is too small, improving the user experience.

In any of the above embodiments, the first chamber 1432 and the second chamber 1434 are distributed coaxially in an annular shape. The second chamber 1434 is located outside the first chamber 1432.

In this embodiment, the second chamber 1434 is provided in a ring shape outside the first chamber 1432, so that the air passes through the second chamber 1434 and then uniformly enters the first chamber 1432 from the outside. This allows the external air to come into uniform contact with the aerosol-generating substrate, allowing the precipitate of the aerosol-generating substrate to mix sufficiently with the air and form an aerosol. This improves the atomization effect of the aerosol-generating substrate.

In any of the above embodiments, the mounting portion 140 further includes a third through hole.

The third through hole is provided in the spacer 147. The third through hole is located at one end of the spacer 147 that is connected to the bottom wall of the atomization chamber 143.

In this embodiment, the mounting portion 140 further includes a third through-hole. The third through-hole is provided in the spacer 147 and connects the first chamber 1432 and the second chamber 1434.

In any of the above embodiments, the mounting portion 140 further includes a support portion.

The support portion is provided on the bottom wall of the atomization chamber 143. The support portion protrudes from the bottom wall of the atomization chamber 143.

In this embodiment, the mounting part 140 further includes a support part provided on the bottom wall of the atomization chamber 143. The support part supports the aerosol-generating substrate, thereby creating a gap between the aerosol-generating substrate and the bottom wall of the atomization chamber 143. This allows air that enters the atomization chamber 143 from the outside to come into contact with the bottom end of the aerosol-generating substrate, further improving the mixing effect between the air and the precipitate that forms when the aerosol-generating substrate is heated. This allows the precipitate on the aerosol-generating substrate to be sufficiently mixed with the air to form an aerosol, improving the atomization effect of the aerosol-generating substrate.

In any of the above embodiments, the housing 110 includes a main body 112 and an end cover 114.

The end cover 114 is removably connected to the main body 112. The mounting portion 140 is inserted into the end cover 114. The end cover 114 and the main body 112 surround the resonant cavity 120.

In this embodiment, the housing 110 includes a main body 112 and an end cover 114. The mounting portion 140 is provided on the end cover 114, and the end cover 114 is removably connected to the main body 112. This makes it convenient for the user to remove the end cover 114 and disassemble and clean the mounting portion 140 separately, thereby avoiding damage caused by water entering the aerosol generating device 100 when cleaning the entire device.

In any of the above embodiments, the aerosol generating device 100 further includes a resonating rod 170.

The resonant rod 170 is provided in the resonant cavity 120. A first end of the resonant rod 170 is connected to the bottom wall of the resonant cavity 120, and a second end of the resonant rod 170 is provided to correspond to the mounting portion 140.

In this embodiment, the resonant rod 170 is used for resonant transmission of microwaves. A first end of the resonant rod 170 is connected to the bottom wall of the resonant cavity 120, and a second end of the resonant rod 170 is provided corresponding to the mounting part 140. The microwaves supplied by the microwave module 130 into the resonant cavity 120 are transmitted from the first end to the second end of the resonant rod 170, thereby microwave-heating the aerosol-generating substrate in the atomization chamber 143 of the mounting part 140.

The atomization chamber 143 and the resonant cavity 120 are isolated by the mounting portion 140, which prevents liquid or solid debris generated after atomization of the aerosol-generating substrate in the atomization chamber 143 from entering the resonant cavity 120. This prevents the microwave module 130 from malfunctioning due to debris entering the resonant cavity 120.

In some embodiments, the inner walls of the resonant cavity 120 and the resonant rod 170 are made of a conductive material, which can be, for example, a metallic material such as gold, copper, or silver.

In some embodiments, the inner wall of the resonant cavity 120 and the outer wall of the resonant rod 170 are provided with a conductive coating layer, which may be a metal coating layer such as a gold-plated layer, a copper-plated layer, or a silver-plated layer.

In these embodiments, the resonant cavity 120 and resonant rod 170 are made of a metal that is highly stable and has excellent conductivity. This not only prevents microwaves from leaking out, but also prevents the inner walls of the resonant cavity 120 and the resonant rod 170 from rusting.

In some embodiments, the portion of the mounting portion 140 located inside the resonant cavity 120 is made of a material with low dielectric loss, such as a PTFE (polytetrafluoroethylene) material, a glass material, or a ceramic material. This allows microwaves to be transmitted to the atomization chamber 143 within the mounting portion 140, thereby heating the aerosol-generating substrate within the atomization chamber 143 and generating an aerosol.

In some embodiments, the mounting portion 140 is removably connected to the housing 110.

In these embodiments, the atomization chamber 143 for containing the aerosol-generating substrate is provided within the mounting portion 140. This allows the atomization chamber 143 to be disassembled and cleaned independently by removing the mounting portion 140, improving the user experience.

As shown in Figures 1 and 2, in any of the above embodiments, the resonating rod 170 is spaced apart from the mounting portion 140.

In this embodiment, by providing a gap between the resonating rod 170 and the mounting portion 140, it is possible to prevent the resonating rod 170 from being pressed during the process of assembling the mounting portion 140 to the housing 110. This reduces the requirements for production and assembly precision for the resonating rod 170 and the mounting portion 140.

As shown in FIG. 1, in any of the above embodiments, the aerosol generating device 100 further includes a fixing portion 180 that is provided on the mounting portion 140 and positioned within the resonant cavity 120. The fixing portion 180 includes a position restriction chamber, and at least a portion of the resonant rod 170 is positioned within the position restriction chamber.

In this embodiment, the aerosol generating device 100 further includes a fixing part 180 provided on the mounting part 140. A position restriction chamber is provided within the fixing part 180, and at least a portion of the resonating rod 170 is positioned within the position restriction chamber. By fixing the resonating rod 170 via the position restriction chamber, the fixing part 180 provides a certain degree of vibration damping for the resonating rod 170. This prevents the resonating rod 170 from falling out due to vibration.

In some embodiments, the fixing portion 180 and the mounting portion 140 are integrally molded.

In these embodiments, the fixed portion 180 and the mounting portion 140, which are formed as a single unit, have high bonding strength, improving the stabilization effect of the fixed portion 180 on the resonator rod 170.

As shown in Figures 1 and 2, in any of the above embodiments, the axis of the atomization chamber 143 and the axis of the resonant rod 170 are coaxial.

In this embodiment, the atomization chamber 143 and the resonator rod 170 are arranged coaxially, ensuring that the microwaves transmitted to the atomization chamber 143 via the resonator rod 170 are transmitted to the center of the atomization chamber 143. This improves the uniformity with which the microwaves heat the aerosol-generating substrate within the atomization chamber 143, and prevents uneven heating of the aerosol-generating substrate caused by the concentration of microwaves within the atomization chamber 143, further improving the atomization effect of the aerosol-generating substrate.

As shown in Figures 1 and 2, in any of the above embodiments, the microwave module 130 includes a microwave introduction section 132.

The microwave introduction section 132 is provided on the side wall of the housing 110. The microwave introduction section 132 is connected to the resonant cavity 120. In addition, a microwave emission source 134 is connected to the microwave introduction section 132. Microwaves output from the microwave emission source 134 are supplied to the resonant cavity 120 via the microwave introduction section 132. As a result, the microwaves are transmitted in a direction from the first end of the resonant rod 170 to the second end of the resonant rod 170.

In this embodiment, the microwave module 130 includes a microwave emission source 134 and a microwave introduction section 132. The microwave emission source 134 is used to generate microwaves. The microwave introduction section 132, provided on the side wall of the housing 110, is used to transport the microwaves generated by the microwave emission source 134 into the resonant cavity 120. The microwaves are supplied to the resonant cavity 120 via the microwave introduction section 132. The microwaves can then be transmitted in a direction from the first end of the resonant rod 170 to the second end of the resonant rod 170. This allows the microwaves to act directly on the aerosol-generating substrate in the atomization chamber 143, improving the atomization effect of the aerosol-generating substrate.

As shown in FIG. 1, in any of the above embodiments, the microwave introduction section 132 includes a first introduction member 1322 and a second introduction member 1324.

The first introduction member 1322 is provided on the side wall of the housing 110. The first introduction member 1322 is also connected to the microwave emission source 134.

A first end of the second introduction member 1324 is connected to the first introduction member 1322. The second introduction member 1324 is located within the resonant cavity 120. The second end of the second introduction member 1324 faces the bottom wall of the resonant cavity 120.

In this embodiment, the microwave introduction section 132 includes a first introduction member 1322 and a second introduction member 1324. The first introduction member 1322 is inserted into the side wall of the housing 110. A first end of the first introduction member 1322 is connected to the microwave emission source 134. As a result, microwaves generated by the microwave emission source 134 enter the microwave introduction section 132 from the first end of the first introduction member 1322. A second end of the first introduction member 1322 is connected to a first end of the second introduction member 1324. The second end of the second introduction member 1324 faces the bottom wall of the resonant cavity 120. The microwaves are transmitted via the first introduction member 1322 and the second introduction member 1324, and then transmitted from the bottom wall of the resonant cavity 120 to the atomization chamber 143, where they atomize the aerosol-generating substrate in the atomization chamber 143 by microwave heating.

The first introduction section is arranged coaxially with the microwave output end of the microwave emission source 134. The second introduction member has a horizontal introduction section and a vertical introduction section. The axis of the horizontal introduction section is parallel to the bottom wall of the resonant cavity 120, and the axis of the vertical introduction section is perpendicular to the bottom wall of the resonant cavity 120. The horizontal introduction section is connected to the vertical introduction section via a bend. The horizontal introduction section is also arranged coaxially with the first introduction section. By providing the microwave introduction section 132 as described above, all microwaves generated by the microwave emission source 134 can enter the resonant cavity 120 and be transmitted within the resonant cavity 120 by the resonant rod 170.

As shown in FIG. 2, in any of the above embodiments, the aerosol generating device 100 further includes a recess 190.

A recess 190 is provided in the bottom wall of the resonant cavity 120, and the second end of the second introduction member is located within the recess 190.

In this embodiment, the aerosol generating device 100 further includes a recess 190. The recess 190 is provided in the bottom wall of the resonant cavity 120. The recess 190 is provided corresponding to the second end of the second introducing member, and the second end of the second introducing member extends into the recess 190. This allows the microwaves entering the resonant cavity 120 to be transmitted in a direction from the second end to the first end of the resonant rod 170, thereby reducing energy loss during the microwave transmission process.

As shown in FIG. 10, in any of the above embodiments, the microwave introduction section 132 includes a third introduction member 1326.

The third introduction member 1326 is provided on the side wall of the housing 110. A first end of the third introduction member 1326 is connected to the microwave emission source 134, and a second end of the third introduction member 1326 faces the resonant rod 170.

In this embodiment, the microwave introduction section 132 further includes a third introduction member 1326. The third introduction member 1326 is arranged coaxially with the microwave output end of the microwave emission source 134. A first end of the third introduction member 1326 is connected to the microwave emission source 134, and a second end of the third introduction member 1326 faces the resonant rod 170. By arranging the third introduction member 1326 coaxially with the microwave output end of the microwave emission source 134 and connecting the third introduction member 1326 to the resonant rod 170, microwaves are transmitted directly to the resonant rod 170. This allows all of the microwaves output from the microwave emission source 134 to enter the resonant cavity 120.

For clarity, in the claims, specification, and drawings of this application, the term "multiple" means two or more than two. Furthermore, unless expressly limited otherwise, the orientations or positional relationships indicated by terms such as "upper," "lower," and the like are based on the illustrations and are intended merely to facilitate the description of this application and simplify the description process. They are not intended to explicitly or implicitly imply that the devices or components in question must have, be configured, or operate in the specific orientations described. Therefore, these descriptions should not be construed as limiting this application. Furthermore, terms such as "connect," "attach," and "fix" should all be interpreted broadly. For example, "connect" may refer to a fixed connection between multiple objects, a detachable connection between multiple objects, or an integral connection between multiple objects. Furthermore, it may refer to a direct connection between multiple objects, or an indirect connection between multiple objects via an intermediate medium. Those skilled in the art can interpret the specific meaning of the above terms in this application based on the specific circumstances of the above data.

In the claims, specification, and drawings of this application, the use of terms such as "one embodiment," "some embodiments," or "specific embodiment" means that the specific features, structures, materials, or characteristics described in combination with that embodiment or example are included in at least one embodiment or example of this application. In the claims, specification, and drawings of this application, general descriptions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any appropriate manner in any one or more embodiments or examples.

The above are merely preferred embodiments of the present application and are not intended to limit the present application. Those skilled in the art may encounter various modifications and variations to the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be deemed to fall within the scope of protection of the present application.

REFERENCE SIGNS LIST 100 Aerosol generator 110 Housing 112 Main body 114 End cover 120 Resonant cavity 130 Microwave module 132 Microwave introduction section 1322 First introduction member 1324 Second introduction member 1326 Third introduction member 134 Microwave emission source 140 Mounting section 141 Base body 142 Guide member 1422 First pipe member 1424 Second pipe member 143 Atomization chamber 1432 First chamber 1434 Second chamber 144 Second through-hole 145 Protrusion 146 Groove 147 Spacer 150 Pressure sensor 160 First through-hole 170 Resonant rod 180 Fixing section 190 Recessed portion

Claims (21)

a housing containing a resonant cavity;
a microwave module mounted in the housing and configured to supply microwaves into the resonant cavity;
a mounting portion disposed on the housing and positioned at least partially within the resonant cavity, the mounting portion including an atomization chamber into which an aerosol-generating substrate is inserted;
a pressure sensor provided in the housing and positioned outside the resonant cavity, the pressure sensor having a collection end communicating with the atomization chamber, the pressure sensor being used to collect air pressure values within the atomization chamber;
supply of microwaves by the microwave module is turned on/off based on the detection result of the pressure sensor;
The mounting portion of the aerosol generating device includes a base body on which the atomization chamber is provided, and a guide member having one end connected to the base body and the other end connected to the collection end of the pressure sensor . The guide member is
a first pipe member integrally formed with the base body;
2. The aerosol generating device of claim 1, further comprising a second tubing provided in the housing, the first end of the second tubing extending through the housing and connected to the first tubing, the second end of the second tubing being connected to the pressure sensor, and the collection end of the pressure sensor being located within the second tubing. The mounting portion further includes:
2. The aerosol generating device according to claim 1 , further comprising an opening provided at one end of the base body, the opening communicating with the atomization chamber, the opening being used to allow the aerosol-generating substrate to enter the atomization chamber. Furthermore,
a first through-hole formed in the housing, the resonant cavity communicating with the outside of the room through the first through-hole;
The mounting portion further includes:
4. The aerosol generating device according to claim 3 , further comprising a second through-hole provided in the base body, wherein the atomization chamber communicates with the resonant cavity through the second through-hole. The mounting portion further includes:
4. The aerosol generating device according to claim 3, further comprising at least two protrusions provided on an inner wall of the atomization chamber, the at least two protrusions protruding from the inner wall of the atomization chamber, a gap being provided between two adjacent protrusions of the at least two protrusions, and the at least two protrusions being used to fix the aerosol-generating substrate. 6. The aerosol generating device according to claim 5, wherein the at least two protrusions are located on an inner wall of the atomization chamber adjacent to the opening, and the at least two protrusions are uniformly distributed along the circumferential direction of the atomization chamber. The mounting portion further includes:
4. The aerosol generating device according to claim 3 , further comprising a groove, the groove being provided on an inner wall of the atomizing chamber and extending along the center line of the atomizing chamber. 8. The aerosol generating device according to claim 7 , wherein the number of said grooves is at least two, and said at least two grooves are uniformly distributed along the circumferential direction of said atomization chamber. The mounting portion further includes:
4. The aerosol generating device according to claim 3, further comprising a spacer provided in the atomization chamber, the spacer dividing the atomization chamber into a first chamber and a second chamber, the first chamber communicating with the second chamber, and the first chamber being used to accommodate the aerosol-generating substrate. 10. The aerosol generating device according to claim 9 , wherein the first chamber and the second chamber are distributed coaxially in an annular shape, and the second chamber is positioned outside the first chamber. The mounting portion further includes:
10. The aerosol generating device according to claim 9 , further comprising a third through-hole formed in the spacer, the third through-hole being located at one end of the spacer that is connected to the bottom wall of the atomization chamber. The mounting portion further includes:
12. The aerosol generating device according to claim 1 , further comprising a support portion provided on a bottom wall of the atomization chamber, the support portion protruding from the bottom wall of the atomization chamber. The housing includes:
The main body and
An aerosol generating device as described in any one of claims 1 to 11, including an end cover that is removably connected to the main body, the mounting portion being inserted into the end cover, and the end cover and the main body surrounding the resonant cavity. Furthermore,
The aerosol generating device according to any one of claims 1 to 11, comprising a resonant rod provided within the resonant cavity, a first end of the resonant rod connected to a bottom wall of the cavity wall of the resonant cavity, and a second end of the resonant rod provided to correspond to the mounting portion. The aerosol generating device according to claim 14 , wherein the resonating rod is spaced apart from the mounting portion. Furthermore,
The aerosol generating device according to claim 14 , further comprising a fixing portion provided on the mounting portion and positioned within the resonant cavity, the fixing portion including a position restricting chamber, and at least a portion of the resonant rod being positioned within the position restricting chamber. 15. The aerosol generating device according to claim 14 , wherein the axis of the atomization chamber and the axis of the resonating rod are coaxial. The microwave module comprises:
a microwave introduction portion provided on a side wall of the housing and communicating with the resonant cavity;
The aerosol generating device of claim 14, further comprising a microwave emission source connected to the microwave introduction section, wherein the microwaves output from the microwave emission source are supplied to the resonant cavity via the microwave introduction section, and the microwaves are transmitted in a direction from a first end of the resonant rod to a second end of the resonant rod. The microwave introduction section
a first introduction member provided on a side wall of the housing and connected to the microwave emission source;
The aerosol generating device of claim 18, further comprising a second introduction member having a first end connected to the first introduction member, the second introduction member being positioned within the resonant cavity, and a second end facing the bottom wall of the resonant cavity. Furthermore,
20. The aerosol generating device of claim 19 , further comprising a recess provided in a bottom wall of the resonant cavity, the second end of the second introduction member being located within the recess. The microwave introduction section
An aerosol generating device as described in claim 18, which includes a third introduction member provided on the side wall of the housing, a first end of the third introduction member connected to the microwave emission source, and a second end of the third introduction member facing the resonant rod.