JP6000423B2 - Hand dryer - Google Patents

Description

  The present invention relates to a hand drying device for hygienically drying wet hands after washing, and more particularly to a hand drying device having an operation unit that can be opened and closed.

  As a device for drying wet hands after washing, there is a hand drying device that blows off water droplets adhering to the hands by a high-speed air flow to dry them. In this apparatus, a main body box forming an outer shell is provided with a hand insertion portion as a processing space in a concave shape, and an air nozzle is provided in the hand insertion portion. The air nozzle is connected to an air duct connected to a blower (high-pressure airflow generator) so as to eject a high-speed airflow into the manual insertion portion. The water blown off to the hand insertion part in accordance with the hand drying process is dropped and received from a water receiving part provided at the bottom of the hand insertion part into a drain container provided below the hand insertion part. As this type of prior art, there are those disclosed in Patent Documents 1 and 2.

JP 11-244192 A JP 2001-327433 A

  In a hand dryer that dries hands with a high-speed air flow, an air filter that removes dust from the sucked air is necessary to protect the blower. Further, in order to prevent the water blown off by the hand drying process from flowing down to the floor, a drain container for storing water is also necessary. In the case of Patent Document 1, in order to solve the problem of forgetting to attach a drain container or an air filter during cleaning, the drain container and the air filter are connected. And when the air filter is not attached, it cannot operate. In the case of such a configuration, if the drain container or the air filter is lost due to mischief or theft, there is a problem that dripping water on the floor, inhalation of dust foreign matter, operation stop for a long time, and the like occur.

  In addition, the hand dryer has a power switch for cleaning the main body and when not in use for a long time. In the case of Patent Document 2, water is not directly applied to the power switch, and the power switch is arranged at the lower part or the back side of the product outer shell so as not to be operated by mistake. In this case, although the location cannot be easily identified, there is a risk that a mischief operation may be performed because it is not certain. In an environment where quietness is required, an air volume adjuster is provided so that the administrator can adjust the output of the blower. However, there is a case where the output is increased by a user's own operation, resulting in a noise problem.

  The present invention has been made in order to solve the above-described conventional problems, and an object of the present invention is to obtain a hand dryer capable of preventing theft and mischief operation. An object of the present invention is to provide a hand-drying device that can be removed and operated only when a mechanism is provided and a correct key release operation is performed.

  In order to solve the above-described problems and achieve the object, the hand drying device of the present invention is a main body box in which a hand insertion part that can insert and remove a hand and a water receiving part that collects water droplets blown from the hand are formed. And a high-pressure airflow generator that is housed in the main body box and generates a high-pressure airflow, and a nozzle that ejects the high-pressure airflow generated by the high-pressure airflow generator from both sides to the manual insertion portion. In addition, the hand drying device of the present invention is provided in a recess formed in a part of the side of the main body box, and is provided with an operation unit for switching the operation state and an operation that can be opened and closed so as to cover the operation unit. And a key mechanism for restricting opening and closing of the operation unit lid. Further, in the hand drying device of the present invention, the hand insertion part forms a concave space in which the upper part of the main body box is opened and a hand can be inserted and removed.

  By adopting the above-described means, it is possible to prevent theft or mischief operation only when the administrator or the cleaner intends. In addition, the user does not have to turn on the power when he / she wants to use it, or does not operate in the state set by the administrator, and the hand-drying apparatus is easy to handle.

FIG. 1 is a longitudinal sectional view of a first embodiment of a hand dryer according to the present invention. FIG. 2 is a perspective view of the hand dryer according to the first embodiment. FIG. 3 is a right side cross-sectional view showing the periphery of the drain container arranged at the lower part of the main body box. FIG. 4 is an enlarged view of the drain container and the air filter storage portion of FIG. FIG. 5 is an enlarged view showing the periphery of the operation unit lid of FIG. FIG. 6 is a cross-sectional view illustrating a state of the operation unit. FIG. 7 is an enlarged view of the air filter storage portion of the second embodiment of the hand dryer according to the present invention. FIG. 8 is an enlarged view showing the periphery of the operation unit lid of the third embodiment of the hand dryer according to the present invention. FIG. 9 is a schematic view showing a state where the light receiving unit of the hand dryer according to the fourth embodiment of the present invention communicates with the remote controller. FIG. 10 is an enlarged view of the air filter storage portion of the fifth embodiment of the hand dryer according to the present invention.

  First, an outline of the hand drying apparatus of the present invention will be described, and then specific embodiments will be described.

  In the hand drying device of the present invention, a high-pressure air flow generator that generates a high-speed air flow is incorporated in a main body box having a hand insertion portion configured as a concave space. The air intake port for taking air into the high-pressure airflow generator opens at the lowermost part of the main body box as an intake passage end formed inside the main body box. An air filter that removes dust is attached to the air inlet, and the air that has passed through the filter is heated by a heater disposed in the intake passage. A drain container that can be inserted and removed in the front-rear direction is attached below the manual insertion portion of the main body box. The high-pressure airflow generated by the high-pressure airflow generator is guided to an air nozzle provided at the upper part of the manual insertion portion. A high-speed air flow is ejected from this air nozzle into the manual insertion part, and moisture attached to the hand inserted in the manual insertion part is blown off and collected in a drain container from a drain outlet provided in a water receiving part at the bottom of the manual insertion part. It is like that.

  And in the hand-drying apparatus of this invention, it has a structure where an administrator or a cleaner takes out a drain container using an exclusive key with the key mechanism provided in the drain container. As a result, only a specific person having a key can be removed, and the user's mischief operation and theft can be prevented.

  Moreover, in the hand dryer of this invention, it has the structure which provided the engaging part which controls removal of an air filter in a drain container. With this structure, the key mechanism provided in the drain container is removed, and the air filter can be taken out only when the drain container is removed. That is, the key mechanism of the drain container also serves as the key mechanism of the air filter.

  In the hand dryer, an operation unit covered with an openable / closable lid is provided on a part of the main body box forming the outer shell. The operation unit includes a power on / off switch, a heater switch, and an air volume regulator for adjusting the high-pressure air flow. In the hand dryer of the present invention, the key mechanism is provided on the lid that can be opened and closed of the operation unit. With this structure, since only the manager and the cleaning person can open and close the operation unit lid, there is no need to worry about the user tampering with the power switch or the high-pressure air flow controller disposed on the operation unit.

  Moreover, in the hand dryer of this invention, it is set as the structure which can be cancelled | released with the same key with respect to several key mechanisms. In addition, a plurality of key mechanisms can be released with the same release method. With this structure, it is possible to reduce the time and effort required for maintenance by the cleaner, and to simplify the structure and provide an inexpensive hand dryer. Note that the same release method is, for example, input of a personal identification number from the same input unit, or signal input from the same remote controller to the same light receiving unit.

  In the hand drying device of the present invention, a warning buzzer sounds when the drain container or the air filter is removed or the operation unit lid is opened or closed without properly releasing the key mechanism. Yes. This structure prevents users and unspecified persons from being stolen or tampered with, and if a theft or tampering operation is performed, it can notify the surroundings of abnormalities, thus improving product safety. be able to.

  Hereinafter, an embodiment of a hand dryer according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

Embodiment 1 FIG.
FIG. 1 is a longitudinal sectional view of a first embodiment of a hand dryer according to the present invention. FIG. 2 is a perspective view of the hand dryer according to the present embodiment. The hand-drying apparatus 100 of this Embodiment has the main body box 1 which forms the outer shell of an apparatus. The main body box 1 is composed of a base 4 forming a back outer shell and a front panel 5 forming a front outer shell. In the upper part of the main body box 1, a hand insertion portion 3 into which a hand can be inserted and removed is formed as a concave space. A water receiving portion 6 for collecting water droplets blown from the hand is formed at the bottom of the manual insertion portion 3.

  A blower (high-pressure airflow generator) 2 that generates a high-speed airflow is incorporated in the main body box 1. An air intake 12 for taking air into the blower 2 opens at the lowermost portion of the main body box 1 as an end of an intake passage 11 formed inside the main body box 1. An air filter 13 for removing dust is attached to the air inlet 12, and the air that has passed through the air filter 13 is heated by a heater 14 disposed in the intake passage 11. On the other hand, a drain container 9 is provided below the manual insertion portion 3 of the main body box 1 and can be inserted and removed in the front-rear direction like a drawer. The high-pressure air flow generated by the blower 2 is guided to an air nozzle 3 a provided at the upper part of the manual insertion portion 3. A high-speed air flow is ejected from the air nozzle 3 a into the hand insertion portion 3 to blow off water adhering to the hand placed in the hand insertion portion 3, and drainage provided in the water receiving portion 6 at the bottom of the hand insertion portion 3. A drain container 9 is provided with a drain 7 through a mouth 7.

  The manual insertion portion 3 is formed in the upper front portion of the main body box 1 as an open sink-like concave space in which both sides are open and can be inserted and removed, and the water blown off by the manual insertion portion 3 has a slanted water receptacle. It is the structure which collect | recovers by the part 6, and guides the collect | recovered water to the drain outlet 7 of the inclination lower end.

  A drain pipe 8 is connected to the drain port 7. The water carried by the drain pipe 8 is stored in a drain container 9 having an open container structure. The drain container 9 is provided with a removable lid 10. The drain container 9 and its lid 10 are made of PP, ABS, or ASA resin having chemical resistance, and can be cleaned and cleaned using a neutral detergent and alcohol. In addition, the surface of the hand insertion portion 3 is impregnated with a water-repellent coating such as silicon or fluorine, or a hydrophilic coating such as titanium oxide, or an antibacterial agent, thereby reducing the adhesion of dirt to the surface and bacteria. Reducing breeding is being attempted.

  The blower 2 includes a DC brushless motor (may be a commutator motor or an induction motor), a drive circuit that drives the DC brushless motor, and a turbo fan that is rotated by the DC brushless motor. In this embodiment, the manual insertion portion 3 is used. It is installed directly below. A heater box 16 is provided in the intake passage 11 behind the air intake 12. A regenerative heater 14 is incorporated in the heater box 16.

  In FIG. 2, an operation unit (not shown) that switches the operation state of the apparatus is provided on the upper left side of the main body box 1, and this operation unit is covered with an operation unit lid 18 that can be opened and closed. The operation unit is provided with a power switch, a heater switch, and an air volume adjuster.

  FIG. 3 is a right side cross-sectional view showing the periphery of the drain container 9 arranged in the lower part of the main body box 1. As shown by an arrow A in FIG. 3, the drain container 9 has a structure that can be inserted and removed in the front-rear direction. A drain container key mechanism (first key mechanism) 15 that restricts the removal of the drain container 9 is provided at the lower center of the drain container 9. A predetermined groove or projection is provided in the key insertion part of the drain container key mechanism 15 provided in the drain container 9, and a drain container key is inserted by inserting a dedicated key 20 manufactured so as to match the shape of the key insertion part. The mechanism 15 can be rotated (released). On the other hand, the heater box 16 has a portion that meshes with the drain container key mechanism 15 and has a structure in which the drain container 9 cannot be pulled out when they overlap each other. With this structure, only a cleaner or manager who has a dedicated key can insert and remove the drain container 9, and theft and mischief operations can be prevented.

  FIG. 4 is an enlarged view of the drain container and the air filter storage portion of FIG. The air filter storage unit is provided at the opening of the air intake port 12 and has a storage unit lid 21 that can be opened and closed. The storage lid 21 is connected to the heater box 16 by a hinge 21a provided at one end, rotates about the hinge 21a as a fulcrum, opens to the front side as indicated by an arrow B, and the air filter 13 on the inside is opened. It has a structure that can be removed. A drain container projection 17 extending from the drain container 9 is hung on the open side end of the storage section lid 21. The drain container projection 17 is made by bending a strip-shaped metal plate into an L-shaped cross section, and is fixed to the drain container 9 with a screw or the like (not shown) to restrict the opening of the storage unit lid 21. When the drain container 9 is pulled out as shown by an arrow C, the drain container projection 17 is detached from the storage lid 21. Thereby, since the accommodating part cover body 21 can be opened, the air filter 13 can be taken out. Due to the drain container key mechanism 15, the drain container 9 cannot be removed without the dedicated key 20, and therefore the air filter 13 cannot be removed. That is, the drain container key mechanism 15 also functions as a key mechanism that regulates removal of the air filter 13. With this structure, it is not necessary to separately provide a key mechanism for preventing the theft and mischief of the air filter 13, so that the structure can be simplified at a low cost. The drain container protrusion 17 may have a structure manufactured integrally with the drain container 9.

  FIG. 5 is an enlarged view showing the periphery of the operation unit lid of FIG. FIG. 6 is a cross-sectional view showing a state of the operation unit. The operation unit lid 18 is connected to the main body box 1 by a hinge structure (not shown) provided at one end, rotates around the hinge structure as a fulcrum, and opens to the front side as shown by an arrow D in FIG. The power switch 25, the heater switch 26, and the air volume adjuster 24 provided in the inner operation unit 18B can be operated. The operation unit lid 18 is provided with an operation unit key mechanism (third key mechanism) 19 that restricts opening and closing of the operation unit lid 18. The shape of the key insertion portion of the operation unit key mechanism 19 has a specific groove or protrusion. And the operation part key mechanism 19 can be rotated (released) by inserting the dedicated key 20 manufactured so as to match the shape of the insertion part. When the operation unit key mechanism 19 is rotated, the front end overlaps with a part of the rear panel 23 so that the operation unit lid 18 is not opened. With this structure, only a dedicated person who possesses the dedicated key 20 can operate the power switch 25, the heater switch 26, and the air volume adjuster 24 arranged in the operation unit 18B without being manipulated by the user. Easy to manage.

  The drain container key mechanism (first key mechanism) 15 and the operation unit key mechanism (third key mechanism) 19 may have the same insertion portion shape and can be released with one dedicated key. . With such a configuration, management is further facilitated and workability is improved.

Embodiment 2. FIG.
FIG. 7 is an enlarged view of the air filter storage portion of the second embodiment of the hand dryer according to the present invention. The same parts as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and description thereof will be omitted.

  The air filter storage unit is provided at the opening of the air intake port 12 and has a storage unit lid 21 that can be opened and closed. The storage lid 21 is connected to the heater box 16 by a hinge 21a provided at one end, rotates around the hinge 21a, opens to the front side, and can take out the air filter 13 stored inside. ing. An air filter storage unit key mechanism (second key mechanism) 22 is provided at the open end of the storage unit lid 21. The key insertion portion of the air filter storage portion key mechanism 22 is provided with a specific groove or protrusion, and the dedicated key 20 manufactured to fit the key insertion portion is inserted to rotate (release) the air filter storage portion key mechanism 22. Be able to). Further, the air filter storage unit key mechanism 22 and the heater box 16 are partially engaged with each other. When the two overlap, the storage unit lid 21 is not opened and the air filter 13 cannot be taken out. . By using the dedicated key 20 and rotating the air filter storage unit key mechanism 22, the storage unit lid 21 can be opened, and the air filter 13 inside can be taken out. With this structure, only a cleaner or administrator who has a dedicated key can take out the air filter 13 and prevent theft or mischief operation. Other configurations are the same as those of the first embodiment.

  The air filter storage unit key mechanism (second key mechanism) 22 according to the present embodiment, the drain container key mechanism (first key mechanism) 15 according to the first embodiment, and the operation unit key mechanism (third key mechanism). (Key mechanism) It is good also as a structure which can cancel | release with one exclusive key by making the insertion part shape of 19 the same. With such a configuration, management is further facilitated and workability is improved. This effect can be obtained if the operation of locking at least two key mechanisms is performed by one dedicated key.

Embodiment 3 FIG.
FIG. 8 is an enlarged view showing the periphery of the operation unit lid of the third embodiment of the hand dryer according to the present invention. The same parts as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and description thereof will be omitted.

  The operation unit lid 18 is connected to the main body box 1 by a hinge structure (not shown) provided at one end, rotates about the hinge structure as a fulcrum, opens to the near side, and is provided on the inner operation unit 18B. The power switch 25, the heater switch 26, and the air volume adjuster 24 can be operated. The operation unit lid 18 is provided with an operation unit key mechanism (third key mechanism) 19B that restricts the opening and closing thereof. Further, on the upper part of the main body box 1, a personal identification number confirmation screen (a personal identification number input unit) 27 for releasing the operation unit key mechanism 19B is provided. A password input button 28 is provided adjacent to the password confirmation screen 27 so that the administrator can set an arbitrary number. By inputting the initial set number to the PIN confirmation screen 27 during cleaning, etc., the microcomputer installed in the product recognizes the input number, and outputs a release signal when the numbers match and operates. The department key mechanism 19B is released. With this structure, only the administrator and the cleaner who set the password can operate the power switch 25, the heater switch 26, and the air volume adjuster 24 arranged in the operation unit without being operated by the user. Management becomes easy. Other configurations are the same as those of the first embodiment.

  The drain container key mechanism (first key mechanism) 15 of the first embodiment and the air filter storage of the second embodiment are not limited to the operation unit key mechanism (third key mechanism) 19B of the present embodiment. The partial key mechanism (second key mechanism) 22 may also be released by inputting a password from the same password confirmation screen 27 provided in the main body box 1. In this case, for example, a password starting with “1” may be distinguished as release of the operation unit key mechanism 19B, and a password starting with “2” may be released as the drain container key mechanism 15. With this configuration, a plurality of key mechanisms can be released without a dedicated key, management becomes easy, and the apparatus can be simplified.

Embodiment 4 FIG.
FIG. 9 is a schematic view showing a state where the light receiving unit and the remote controller of Embodiment 4 of the hand dryer according to the present invention communicate with each other. The same parts as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and description thereof will be omitted.

  As described above, since the drain container and the air filter are at risk of theft, and the power switch 25 and the air volume adjuster 24 are at risk of being tampered with, a key mechanism for preventing theft and tampering is provided individually. In the present embodiment, a remote control light receiving unit 30 for receiving the transmission contents of the remote control is provided at the upper part of the main body box 1, and a lock signal for unlocking and releasing the key mechanism is transmitted by the dedicated remote control 29 for transmission. The microcomputer mounted inside the main body recognizes the transmission content from the remote control light receiving unit 30 that has received the content, and automatically locks or releases the key mechanism.

  The operation of locking and releasing by signal input from the remote control 29 to the remote control light receiving unit 30 includes the drain container key mechanism (first key mechanism) 15 and the operation unit key mechanism (third key mechanism) of the first embodiment. 19 and the air filter storage portion key mechanism (second key mechanism) 22 of the embodiment are applied as locking and releasing operations. With this structure, a worker such as a cleaner or an administrator can easily prevent theft or mischief operation. The operation of locking and releasing the plurality of key mechanisms can be performed by inputting signals from the same remote controller 29 to the same remote control light receiving unit 30, thereby simplifying the apparatus. This effect can be obtained if the operation of locking and releasing at least two key mechanisms is performed by inputting signals from the same remote controller 29 to the same remote control light receiving unit 30. In this case, the usability is further improved by providing it together with the locking and releasing structure using the dedicated key 20.

Embodiment 5. FIG.
FIG. 10 is an enlarged view of an air filter storage portion according to the fifth embodiment of the hand dryer according to the present invention. The same parts as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and description thereof will be omitted. In the present embodiment, an alarm device for sounding a warning sound is provided when the drain container 9 is removed or the storage lid 21 is opened without performing a correct release operation of the key mechanism.

  As described above, the removable drain container 9 and the air filter 13 may be stolen. Therefore, when a buzzer (alarm device) that generates a warning sound is provided inside the main body box 1 and the drain container 9 or the air filter 13 is removed without properly releasing the key mechanism, the buzzer sounds and the tampering operation is performed. Can call attention. Further, when cleaning, a warning sound release button (drain container key mechanism (first key mechanism) 15B and air filter storage part key mechanism (second key) provided in the drain container 9 or the air filter storage part. The release signal is input by inserting the dedicated key 20 into the mechanism 22B), that is, by performing the correct release operation of the key mechanism, and the buzzer function is recognized by the microcomputer inside the main body box 1 Can be removed without warning sound. With this structure, a warning is given to a user who performs a mischief operation such as theft, and an abnormality can be notified to the surroundings, thereby facilitating management.

  In the present embodiment, not only the removal of the drain container and the opening of the storage unit lid, but also the warning sound is generated when the operation unit lid is opened without performing the correct release operation of the key mechanism. You may make it ring.

  INDUSTRIAL APPLICABILITY The present invention is preferably applied to a hand drying device for hygienically drying wet hands after washing, and in particular, a drain container or an air filter that is detachably provided on the main body, or can be opened and closed. It is most suitable when applied to a hand dryer having an operation unit or the like.

  1 body box, 2 blower (high pressure airflow generator), 3 manual insertion section, 4 base, 5 front panel, 6 water receiving section, 7 drain port, 8 drain pipe, 9 drain container, 10 drain container lid, DESCRIPTION OF SYMBOLS 11 Intake passage, 12 Air intake port, 13 Air filter, 14 Heater, 15, 15B Drain container key mechanism (1st key mechanism), 16 Heater box, 17 Drain container projection part (engagement part), 18 Operation part cover Body, 19, 19B Operation unit key mechanism (third key mechanism), 20 Dedicated key, 21 Storage unit lid, 22, 22B Air filter storage unit key mechanism (second key mechanism), 23 Back panel, 24 Air volume Controller, 25 Power switch, 26 Heater switch, 27 Security code confirmation screen, 28 Security code input button, 29 Remote control, 30 Remote control light receiving part (light receiving part).

Claims (5)

A main body box formed with a hand insertion part capable of inserting and removing a hand and a water receiving part for collecting water droplets blown from the hand;
A high-pressure airflow generator that is housed in the main body box and generates a high-pressure airflow;
A nozzle that ejects the high-pressure airflow generated by the high-pressure airflow generator from both sides to the manual insertion portion;
An operation unit that is provided in a recess formed in a part of a side portion of the main body box, and switches an operation state;
An operation unit lid that is provided so as to cover the operation unit and can be opened and closed;
A key mechanism for restricting the opening and closing of the operation unit lid,
The hand insertion unit is configured to form a concave space in which an upper part of the main body box is opened and a hand can be inserted and removed. The hand-drying device according to claim 1, wherein the key mechanism is provided with an insertion portion having a groove or a protrusion that can be released by rotating the key mechanism. The hand dryer according to claim 2, wherein the key mechanism can be rotated and released by inserting a key that matches the shape of the insertion portion into the insertion portion. The said key mechanism is provided in the said operation part cover body, and if the said key mechanism is rotated, it will overlap with a part of said main body box, and the said operation part cover body will not be opened. 3. The hand drying apparatus according to 3.   The hand dryer according to claim 1, wherein the operation unit includes a power switch, an air flow regulator, and a heater switch at a position facing the operation unit lid.

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