CN114440118A - Vacuum and pressurization system, method of implementation and medium - Google Patents
Vacuum and pressurization system, method of implementation and medium Download PDFInfo
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- CN114440118A CN114440118A CN202210068514.5A CN202210068514A CN114440118A CN 114440118 A CN114440118 A CN 114440118A CN 202210068514 A CN202210068514 A CN 202210068514A CN 114440118 A CN114440118 A CN 114440118A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
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- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
本公开涉及一种真空与加压系统、实现方法和介质；其中，该系统包括：储气瓶组件、第一开关设备、第一接头、实验腔体组件、第二接头、第二开关设备、第一气体抽取设备、第三开关设备、升压设备、第四开关设备、第五开关设备以及第二气体抽取设备；第二气体抽取设备，用于基于第二接头将实验腔体组件中的实验腔体抽取至真空状态；储气瓶组件，用于在第一开关设备处于打开状态且实验腔体处于真空状态时，基于第一接头将储气瓶组件中的气体释放至实验腔体中；第一气体抽取设备，用于基于第二接头将实验腔体中的气体回收至储气瓶组件中。本公开实施例能够实现抽取真空与加压两个过程，且能够节省资源，有利于延长系统的使用寿命。
The present disclosure relates to a vacuum and pressurization system, an implementation method and a medium; wherein, the system includes: a gas cylinder assembly, a first switch device, a first connector, an experimental cavity assembly, a second connector, a second switch device, The first gas extraction device, the third switch device, the booster device, the fourth switch device, the fifth switch device, and the second gas extraction device; The experimental cavity is drawn to a vacuum state; the gas storage cylinder assembly is used to release the gas in the gas storage cylinder assembly into the experimental cavity based on the first joint when the first switch device is in an open state and the experimental cavity is in a vacuum state ; a first gas extraction device for recovering the gas in the experimental cavity to the gas cylinder assembly based on the second joint. The embodiments of the present disclosure can realize two processes of vacuum extraction and pressurization, and can save resources, which is beneficial to prolong the service life of the system.
Description
Technical Field
The present disclosure relates to the field of vacuum and pressurization technologies, and in particular, to a vacuum and pressurization system, an implementation method, and a medium.
Background
Two experimental environments, a vacuum environment and a pressurization environment, are required in the process of scientific experiments, particularly space scientific experiments.
In the prior art, two environments, namely a vacuum environment and a pressurization environment, are respectively provided by two systems, namely a vacuum system and a pressurization system. The two systems operate independently and do not influence each other, thereby ensuring that respective functions can meet corresponding indexes. However, in the above method, two independent systems need to occupy two sets of resources and have more volume and weight, which is very inconvenient for many products, and when a problem occurs in a certain system, the system cannot be used, so that the reliability is low, and the maintenance cost is high.
Disclosure of Invention
To address the above technical issues, the present disclosure provides a vacuum and pressurization system, an implementation method, and a medium.
In a first aspect, the present disclosure provides a vacuum and pressurization system, comprising:
the gas bomb component is connected with the first switch device, the first switch device is connected with an experimental cavity in the experimental cavity component through the first connector, the experimental cavity is connected with the second switch device through the second connector, the second switch device is connected with the first gas extraction device, the first gas extraction device is connected with the third switch device, the third switch device is connected with the boosting device, the boosting device is connected with the fourth switch device, and the fourth switch device is connected with the switch device in the gas bomb component, the second joint is connected with the fifth switching device, and the fifth switching device is connected with the second gas extraction device;
the second gas extraction device is used for extracting the experiment cavity to a vacuum state based on the second joint when the fifth switch device is in an open state;
the gas cylinder assembly is used for releasing gas in the gas cylinder assembly into the experiment cavity based on the first connector when the first switch device is in an open state and the experiment cavity is in a vacuum state;
and the first gas extraction equipment is used for recovering the gas in the experiment cavity to the gas storage bottle assembly based on the second connector when the second switch equipment, the third switch equipment, the fourth switch equipment and the boosting equipment are in an open state.
Optionally, the experiment cavity assembly further includes a third gas extraction device, and the third gas extraction device is connected to the experiment cavity and the second connector;
correspondingly, the second gas extraction equipment is used for extracting the experiment cavity based on the second joint when the vacuum degree of the experiment cavity is greater than or equal to a first value;
the third gas extraction apparatus to: when the vacuum degree of the experiment cavity is larger than or equal to a second value and smaller than the first value, the experiment cavity is extracted, and when the pressure of the experiment cavity is smaller than the second value, the extraction process is stopped.
Optionally, the first gas extraction device is configured to recover the gas in the experiment cavity when the pressure of the experiment cavity is greater than or equal to a third value and less than a fourth value;
and the third gas extraction equipment is used for recovering the residual gas in the experiment cavity when the pressure of the experiment cavity is greater than or equal to a fifth value and less than the third value, and stopping the recovery process when the pressure of the experiment cavity is less than the fifth value.
Optionally, the system further comprises a sixth switching device, the sixth switching device being connected to the first gas extraction device;
the first gas extraction device is further configured to:
when the second gas extraction device fails, the fifth switching device is in a closed state, the second switching device is in an open state, and the sixth switching device is in an open state, the experimental chamber is extracted to a vacuum state based on the second joint.
Optionally, the system further comprises a seventh switching device, the seventh switching device being connected to the first gas extraction device and the fourth switching device;
the first gas extraction apparatus is further configured to:
when the boosting equipment fails, the third switching equipment is in a closed state, and the second switching equipment, the seventh switching equipment and the fourth switching equipment are in an open state, the gas in the experiment cavity is recycled to the gas cylinder assembly based on the second joint.
Optionally, the system further includes: the voltage stabilizing device is connected with the third switching device and the boosting device;
the pressure stabilizing device is used for stabilizing the pressure of the first gas extraction device.
Optionally, the gas cylinder assembly comprises a gas cylinder and a pressure reducing device, the gas cylinder is connected with the switch device, and the switch device is connected with the pressure reducing device;
the gas storage cylinder is used for storing gas;
the pressure reducing device is used for reducing the pressure of the gas in the gas storage cylinder and releasing the gas with the reduced pressure to the experiment cavity.
Optionally, the system further includes: an eighth switching device connected to the first switching device and the first junction;
the eighth switching device is configured to restore the pressure of the experiment chamber to an initial value.
In a second aspect, the present disclosure provides a method for implementing vacuum and pressurization, applied to a vacuum and pressurization system, the system including: the gas bomb component is connected with the first switch device, the first switch device is connected with an experimental cavity in the experimental cavity component through the first connector, the experimental cavity is connected with the second switch device through the second connector, the second switch device is connected with the first gas extraction device, the first gas extraction device is connected with the third switch device, the third switch device is connected with the boosting device, the boosting device is connected with the fourth switch device, and the fourth switch device is connected with the switch device in the gas bomb component, the second junction is connected to the fifth switching device, which is connected to the second gas extraction device, the method comprising:
when the fifth switch device is in an open state, the second gas extraction device extracts the experiment cavity to a vacuum state based on the second joint;
when the first switch device is in an open state and the experiment cavity is in a vacuum state, the gas storage cylinder assembly releases gas in the gas storage cylinder assembly into the experiment cavity based on the first connector;
and when the first gas extraction equipment is in an open state, the second switch equipment, the third switch equipment, the fourth switch equipment and the boosting equipment are all in an open state, the gas in the experiment cavity is recovered to the gas bomb component based on the second joint.
Optionally, the experiment cavity assembly further includes a third gas extraction device, and the third gas extraction device is connected to the experiment cavity and the second connector;
correspondingly, the method further comprises the following steps: the second gas extraction equipment is used for extracting the experiment cavity based on the second connector when the vacuum degree of the experiment cavity is larger than or equal to a first value;
the third gas extraction apparatus to: when the vacuum degree of the experiment cavity is larger than or equal to a second value and smaller than the first value, the experiment cavity is extracted, and when the pressure of the experiment cavity is smaller than the second value, the extraction process is stopped.
Optionally, the method further includes: the first gas extraction equipment is used for recovering the gas in the experiment cavity when the pressure of the experiment cavity is greater than or equal to a third value and smaller than a fourth value;
and the third gas extraction equipment is used for recovering the residual gas in the experiment cavity when the pressure of the experiment cavity is more than or equal to a fifth value and less than the third value, and stopping the recovery process when the pressure of the experiment cavity is less than the fifth value.
Optionally, the system further comprises a sixth switching device, the sixth switching device being connected to the first gas extraction device;
correspondingly, the method further comprises the following steps: and when the second gas extraction equipment fails, the fifth switch equipment is in a closed state, the second switch equipment is in an open state and the sixth switch equipment is in an open state, the first gas extraction equipment extracts the experiment cavity to a vacuum state based on the second joint.
Optionally, the system further comprises a seventh switching device, the seventh switching device being connected to the first gas extraction device and the fourth switching device;
correspondingly, the method further comprises the following steps: and when the first gas extraction equipment is in the state that the boosting equipment is failed, the third switch equipment is in a closed state, the second switch equipment, the seventh switch equipment and the fourth switch equipment are in an open state, the gas in the experiment cavity is recovered to the gas storage bottle assembly based on the second joint.
Optionally, the system further includes: the voltage stabilizing device is connected with the third switching device and the boosting device;
correspondingly, the method further comprises the following steps: the pressure stabilization device stabilizes the pressure of the first gas extraction device.
Optionally, the gas cylinder assembly comprises a gas cylinder and a pressure reducing device, the gas cylinder is connected with the switch device, and the switch device is connected with the pressure reducing device;
correspondingly, the method further comprises the following steps: the gas storage cylinder stores gas;
the pressure reducing device reduces the pressure of the gas in the gas storage cylinder and releases the gas with reduced pressure to the experiment cavity.
Optionally, the system further includes: an eighth switching device connected to the first switching device and the first junction;
correspondingly, the method further comprises the following steps: the eighth switching device restores the pressure of the experiment chamber to an initial value.
In a third aspect, the present disclosure also provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor, implements the method for implementing vacuum and pressurization as described in any one of the embodiments of the present disclosure.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages: the second gas extraction equipment is used for extracting the experiment cavity to be in a vacuum state based on the second connector when the fifth switch equipment is in an open state; the gas storage cylinder assembly is used for releasing gas in the gas storage cylinder assembly into the experiment cavity based on the first connector when the first switch device is in an open state and the experiment cavity is in a vacuum state; first gas extraction equipment for when second switchgear, third switchgear, fourth switchgear and the equipment that steps up all are in the on-state, connect the gas recovery to the gas bomb subassembly in with the experiment cavity based on the second, can realize two processes of extraction vacuum and pressurization through above-mentioned system, and can save the resource, be favorable to the life of extension system.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic diagram of a vacuum and pressurization system according to an embodiment of the present disclosure;
FIG. 2A is a schematic diagram of another vacuum and pressurization system provided by embodiments of the present disclosure;
FIG. 2B is a schematic diagram of a detailed structure of the vacuum and pressurization system in an embodiment of the present disclosure;
fig. 3 is a schematic flow chart of a method for implementing vacuum and pressurization according to an embodiment of the present disclosure.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
Fig. 1 is a schematic structural diagram of a vacuum and pressurization system applied to a vacuum and pressurization implementation method according to an embodiment of the present disclosure. As shown in fig. 1, the system includes: a gas cylinder assembly 100, a first switching device 101, a first connector 102, a laboratory chamber assembly 103, a second connector 104, a second switching device 105, a first gas extraction device 106, a third switching device 107, a pressure boosting device 108, a fourth switching device 109, a fifth switching device 110, and a second gas extraction device 111. Wherein, including switchgear 1001 in the gas bomb subassembly 100, include experiment cavity 1031 in the experiment cavity subassembly 103, gas bomb subassembly 100 links to each other with first switchgear 101, first switchgear 101 links to each other with experiment cavity 1031 through first joint 102, experiment cavity 1031 links to each other with second switchgear 105 through second joint 104, second switchgear 105 links to each other with first gas extraction equipment 106, first gas extraction equipment 106 links to each other with third switchgear 107, third switchgear 107 links to each other with the equipment of stepping up 108, the equipment of stepping up 108 links to each other with fourth switchgear 109, fourth switchgear 109 links to each other with switchgear 1001, the second joint still links to each other with fifth switchgear 110, the fifth switchgear links to each other with second gas extraction equipment 111.
A gas cylinder assembly is understood to be a device for storing gas. The first, second, third, fourth and fifth switching devices may be understood as devices having opening and closing functions, such as solenoid valves or cut-off valves, etc., and the types of the first, … and fifth switching devices may be the same or different, and this embodiment is not limited. The switching device may be understood as a device having an opening and closing function in the gas cylinder assembly, such as a stop valve or other devices, and the present embodiment is not limited thereto. An experiment chamber assembly is understood to be a device that can be used for experiments that includes an experiment chamber. The first linker and the second linker can be understood as linkers for connecting to the experimental cavity, and the linkers can be common linkers or DN8 linkers, and the embodiment is not particularly limited. The pressure boosting device may be understood as a device capable of boosting the pressure of the gas, such as a booster pump or other devices, and the present embodiment is not limited thereto. The first gas extraction device and the second gas extraction device may be understood as devices capable of extracting gas, such as a mechanical pump, a reciprocating vacuum pump, a water ring pump, or the like, and the first gas extraction device and the second gas extraction device may be the same gas extraction device, and the embodiment is not limited.
It should be noted that: the devices included in the system in this embodiment may be connected by pipes for the circulation of gas.
The system is mainly used for vacuum extraction and pressurization, wherein the vacuum extraction process is specifically as follows:
after the system is powered on, initially all the switches (including the first switch device 101, the second switch device 105, the third switch device 107, the voltage boosting device 108, the fourth switch device 109, the fifth switch device 110 and the switch device 1001) are in a closed state, the second gas extraction device 111 and the fifth switch device 110 are turned on, and at this time, the second gas extraction device 111 can extract gas in the experiment chamber 1031 through the second connector 104 and the fifth switch device 110, so that the experiment chamber 1031 is extracted to a vacuum state, so that a subsequent scientific experiment is performed in the vacuum state, and the accuracy of an experiment result is improved.
Namely, the channels for the vacuum process are: from the experiment chamber 1031-the second connection 104-the fifth switching device 110-the second gas extraction device 111.
Meanwhile, after the experiment chamber 1031 is pumped to a vacuum state, the second gas pumping device 111 and the fifth switching device 110 need to be turned off, so that the service life of each device is prolonged.
The pressurizing process is mainly divided into a gas releasing process and a gas recycling process, and the gas may be a protective gas, such as an inert gas, or may be other gases.
The gas release process is specifically as follows:
after the system is powered on, initially all the switches are in a closed state, the experiment chamber 1031 is in a vacuum state, the first switch device 101 is turned on, and the gas cylinder assembly 100 can release the gas in the gas cylinder assembly 100 into the experiment chamber 1031 through the first switch device 101 and the first joint 102, so as to perform related experiments in the experiment chamber in the following.
That is, the paths of the gas release process are: the gas cylinder assembly 100-the first switching device 101-the first connector 102-the experiment chamber 1031.
Meanwhile, after the gas in the gas cylinder assembly 100 is released into the experiment chamber 1031, the first switching device 101 needs to be turned off, so that the service life of the device is prolonged.
In some embodiments, a filter may be further included between the first switch device 101 and the first connector 102 for filtering the gas to avoid interference of impurities with the experimental results.
After the experiment that goes on in experiment cavity 1031 is accomplished, retrieve the gas in experiment cavity 1031 to gas bomb subassembly 100 in to the experiment continues to use next time, thereby can use a small amount of gas to accomplish long-term experimental work, save gas, thereby reduce the experiment cost.
The gas recovery process is specifically as follows:
after the experiment performed in the experiment chamber 1031 is completed, the second switching device 105, the first gas extraction device 106, the third switching device 107, the fourth switching device 109 and the pressure boosting device 108 are opened, at which time the first gas extraction device 106 can recycle the gas in the experiment chamber 1031 to the gas cylinder assembly 100 through the second joint 104, the second switching device 105, the third switching device 107, the pressure boosting device 108 and the fourth switching device 109.
Namely, the paths of the gas recovery process are: the laboratory chamber 1031-second connector 104-second switching device 105-first gas extraction device 106-third switching device 107-pressure boosting device 108-fourth switching device 109-gas cylinder assembly 100.
Meanwhile, after the gas in the experimental chamber is recycled into the gas cylinder assembly, the second switching device 105, the third switching device 107, the boosting device 108 and the fourth switching device 109 need to be turned off, so that the service life of each device is prolonged.
Correspondingly, after the gas recovery process is finished, the system is powered off, the system is prevented from being always in an operating state, and the service life of the system is prolonged.
In this embodiment, the second gas extraction device is configured to extract the experiment cavity to a vacuum state based on the second connector when the fifth switching device is in an open state; the gas storage cylinder assembly is used for releasing gas in the gas storage cylinder assembly into the experiment cavity based on the first connector when the first switch device is in an open state and the experiment cavity is in a vacuum state; first gas extraction equipment for when second switchgear, third switchgear, fourth switchgear and the equipment that steps up all are in the on-state, connect the gas recovery to the gas bomb subassembly in with the experiment cavity based on the second, can realize two processes of extraction vacuum and pressurization through above-mentioned system, and can save the resource, be favorable to the life of extension system.
In this embodiment, pressure sensors may optionally be deployed between the cylinder assembly 100 and the first switch device 101, between the second connector 104 and the second switch device 105, between the first gas extraction device 106 and the third switch device 107, between the third switch device 107 and the pressure boosting device 108, and between the pressure boosting device 108 and the fourth switch device 109.
In this embodiment, the pressure of the gas flowing through each pressure sensor can be measured by deploying the pressure sensors, which is beneficial to monitoring the vacuum pumping process, the pressurization process and the experimental process, and ensures the normal use of the system.
In this embodiment, optionally, the second gas extraction device 111 may also be connected with a filter screen to filter the gas flowing through the second gas extraction device 111.
FIG. 2A is a schematic diagram of another vacuum and pressurization system provided by embodiments of the present disclosure; the embodiment is optimized on the basis of the embodiment. Alternatively, the present embodiment explains in detail the functions of other devices included in the system, the vacuum extraction process, and the pressurization process.
As shown in fig. 2A, the experiment chamber assembly 103 further comprises a third gas extraction device 1032, and the third gas extraction device 1032 is connected to the experiment chamber 1031 and the second joint 104; the system further comprises a sixth switching device 112, a seventh switching device 113, a voltage regulation device 114 and an eighth switching device 115, wherein the sixth switching device 112 is connected to the first gas extraction device 106, the seventh switching device 113 is connected to the first gas extraction device 106 and the fourth switching device 109, the voltage regulation device 114 is connected to the third switching device 107 and the voltage boost device 108, and the eighth switching device 115 is connected to the first switching device 101 and the first junction 102; the gas cylinder assembly 100 comprises a gas cylinder 1002 and a pressure reducing device 1003, wherein the gas cylinder 1002 is connected with a switch device 1001, and the switch device 1001 is connected with the pressure reducing device 1003.
The present embodiment mainly explains the newly added device.
In this embodiment, optionally, the experiment chamber assembly further includes a third gas extraction device, and the third gas extraction device is connected to the experiment chamber and the second joint;
correspondingly, the second gas extraction equipment is used for extracting the experiment cavity based on the second joint when the vacuum degree of the experiment cavity is greater than or equal to a first value;
the third gas extraction apparatus to: when the vacuum degree of the experiment cavity is larger than or equal to a second value and smaller than the first value, the experiment cavity is extracted, and when the pressure of the experiment cavity is smaller than the second value, the extraction process is stopped.
The third gas extraction device may be understood as a vacuum extraction device capable of extracting a vacuum degree smaller than that of the second gas extraction device, and the third gas extraction device may be a molecular pump, or may be other types of gas extraction devices, which is not limited in this embodiment. The first value and the second value may be preset values, and may also be determined according to specific situations, which is not limited in this embodiment, but it is required to ensure that the first value is greater than the second value. For example, the first value may be 200Pa and the second value may be 0.001 Pa.
Specifically, the third gas extraction device 1032 is primarily used to assist the operation of the second gas extraction device 111 during the vacuum extraction process. The vacuum pumping process at this time may be: firstly, when the vacuum degree of the experiment chamber 1031 is greater than or equal to a first value (such as greater than or equal to 200Pa), the fifth switching device 110 and the second gas extraction device 111 are in an open state, the third gas extraction device 1032 is in a closed state, and the second gas extraction device 111 can extract gas in the experiment chamber 1031 through the second joint and the fifth switching device 110; then, when the vacuum degree of the experiment chamber 1031 is greater than or equal to the second value and less than the first value (e.g., between 0.001Pa and 200Pa), the third gas extraction device 1032 is opened (i.e., activated), at this time, the third gas extraction device 1032 performs extraction on the experiment chamber 1031, and when the pressure of the experiment chamber 1031 is less than the second value (e.g., < 0.001Pa), the process of extracting vacuum is stopped, and the third gas extraction device 1032, the fifth switching device 110, and the second gas extraction device 111 are closed, so as to improve the service life of each device.
In this embodiment, assist second gas extraction equipment 111 through third gas extraction equipment 1032 and carry out the work of extraction vacuum, be favorable to improving the vacuum degree of experiment cavity, guarantee the accuracy and the authenticity of experimental result.
In this embodiment, optionally, a pressure gauge, a vacuum gauge, an oxygen partial pressure gauge, and the like may be disposed in the experiment chamber 1031.
In this embodiment, can measure the pressure of experiment cavity 1031 through the pressure gauge, can measure the vacuum degree of experiment cavity 1031 through the vacuometer to and can measure the oxygen partial pressure of experiment cavity 1031 through the oxygen partial pressure meter, be favorable to further guaranteeing going on smoothly of experimentation and the collection record etc. to data.
In this embodiment, optionally, the first gas extraction device is configured to recover the gas in the experiment cavity when the pressure of the experiment cavity is greater than or equal to a third value and less than a fourth value;
and the third gas extraction equipment is used for recovering the residual gas in the experiment cavity when the pressure of the experiment cavity is more than or equal to a fifth value and less than the third value, and stopping the recovery process when the pressure of the experiment cavity is less than the fifth value.
The third value, the fourth value, and the fifth value may be preset values, and may also be determined according to specific situations, which is not limited in this embodiment, but it is required to ensure that the fourth value is greater than the third value, and the third value is greater than the fifth value. For example, the third value may be 180Pa, the fourth value may be 50KPa, and the fifth value may be 0.01 Pa.
In particular, the third gas extraction device 1032 may also be used to assist in the operation of the first gas extraction device 106 during the gas recovery process. In the gas recovery process, after the experiment performed in the experiment chamber 1031 is completed, the second switching device 105, the first gas extraction device 106, the third switching device 107, the pressure boosting device 108 and the fourth switching device 109 are firstly opened, when the pressure in the experiment chamber 1031 is greater than or equal to a third value and less than a fourth value (for example, between 180Pa and 50 Kpa), the third gas extraction device 1032 is in a closed state, and the first gas extraction device 106 recovers the gas in the experiment chamber 1031 through the second joint 104, the second switching device 105, the third switching device 107, the pressure boosting device 108 and the fourth switching device 109; then, when the pressure in the experiment chamber 1031 is greater than or equal to the fifth value and less than the third value (e.g. between 0.01Pa and 180Pa), a third gas extraction device is started to recover the residual gas in the experiment chamber 1031, and when the pressure in the experiment chamber is less than the fifth value (e.g. < 0.01Pa), the recovery process is stopped, and the third gas extraction device, the second switching device 105, the first gas extraction device 106, the third switching device 107, the pressure boosting device 108 and the fourth switching device 109 are closed, thereby prolonging the service life of each device.
In this embodiment, the third gas extraction device 1032 assists the first gas extraction device 106 in performing gas recovery, which is beneficial to improving the gas recovery efficiency and avoiding the waste of gas.
In this embodiment, optionally, when the pressure of the experiment chamber 1031 is greater than or equal to the fifth value and less than the third value, the third gas extraction device is started to recover the residual gas in the experiment chamber 1031, and the method may further include:
the boost device 108 is turned off after a preset time.
The preset time may be a preset time, for example, 1 minute, and may also be determined according to specific situations, which is not limited in this embodiment.
In this embodiment, can protect boost device through closing boost device in advance, reduce boost device's operating time, improve boost device's life.
In some embodiments, since the process of drawing a vacuum takes longer, the runtime of the second gas extraction device 111 is greater than the runtime of the pressure boosting device 108 in the system, and the runtime of the pressure boosting device 108 is greater than the runtime of the first gas extraction device 106, i.e.: the second gas extraction arrangement 111 may reach the lifetime limit at the earliest, followed by the pressure boosting arrangement 108, and finally the first gas extraction arrangement 106.
In this embodiment, optionally, the system further includes a sixth switching device, and the sixth switching device is connected to the first gas extraction device;
the first gas extraction device is further configured to:
when the second gas extraction device fails, the fifth switching device is in a closed state, the second switching device is in an open state, and the sixth switching device is in an open state, the experimental chamber is extracted to a vacuum state based on the second joint.
The sixth switching device may be understood as a device having an opening and closing function, such as a solenoid valve or a stop valve, and the types of the first switching device, …, the fifth switching device, and the sixth switching device may be the same or different, and the embodiment is not limited.
Specifically, when the second gas extraction device 111 fails, the experiment chamber 1031 cannot be vacuum-extracted by the second gas extraction device 111, that is: the original vacuum process channel in the system cannot be used. At this time, the fifth switching device 110 is turned off, and the second switching device 105, the first gas extraction device 106 and the sixth switching device 112 are turned on, so that the first gas extraction device 106 can extract the experiment chamber 1031 through the second connector 104, the second switching device 105 and the sixth switching device 112 until the experiment chamber 1031 is extracted to a vacuum state, and simultaneously the second switching device 105 and the sixth switching device 112 are turned off.
In this embodiment, in case of failure of the second gas extraction device 111, a new vacuum extraction channel is established by the first gas extraction device 106, namely: from the passage of the experiment chamber 1031-the second joint 104-the second switching device 105-the first gas extraction device 106-the sixth switching device 112, the influence on the use of the user can be avoided, the use experience of the user can be improved, and the system maintenance cost can be reduced.
Optionally, when the second gas extraction device 111 fails, the fifth switching device 110 is in the off state, the second switching device 105 is in the on state, and the sixth switching device 112 is in the on state, the third gas extraction device 1032 may assist the first gas extraction device 106 to perform the vacuum extraction operation, which is similar to the process that the third gas extraction device 1032 assists the second gas extraction device 111, that is: the first gas extraction device 106 is configured to extract the experiment chamber 1031 based on the second joint 104 when the vacuum degree of the experiment chamber 1031 is greater than or equal to a first value; and the third gas extraction equipment 1032 is configured to extract the experiment chamber 1031 when the vacuum degree of the experiment chamber 1031 is greater than or equal to the second value and smaller than the first value, and stop the extraction process when the pressure of the experiment chamber 1031 is smaller than the second value.
In this embodiment, when the second gas extraction device 111 fails, a new vacuum extraction channel is established by the first gas extraction device 106 and the third gas extraction device 1032, so that the efficiency of the vacuum extraction process can be improved.
Optionally, the sixth switching device 112 may also be connected to a filter screen to filter the gas flowing through the sixth switching device 112.
In this embodiment, optionally, the system further includes a seventh switching device, and the seventh switching device is connected to the first gas extraction device and the fourth switching device;
the first gas extraction device is further configured to:
when the boosting equipment fails, the third switching equipment is in a closed state, and the second switching equipment, the seventh switching equipment and the fourth switching equipment are in an open state, the gas in the experiment cavity is recycled to the gas cylinder assembly based on the second joint.
The seventh switching device may be understood as a device having an opening and closing function, such as a solenoid valve or a stop valve, and the types of the first switching device, …, the sixth switching device, and the seventh switching device may be the same or different, and the present embodiment is not limited.
Specifically, when the pressure boosting device 108 is out of order, the original passage in the gas recovery process in the system cannot be used, the third switching device 107 needs to be closed, when the second switching device 105, the seventh switching device 113 and the fourth switching device 109 are all in an open state, the first gas extraction device 106 can select a diaphragm mechanical pump with certain pressure boosting capacity, then the first gas extraction device 106 can complete partial functions of the pressure boosting device 108, and at the moment, the first gas extraction device 106 can recover the gas in the experiment cavity 1031 to the gas bomb component 100 through the second connector 104, the second switching device 105, the seventh switching device 113 and the fourth switching device 109.
In this embodiment, when the voltage boosting device 108 fails, a new gas recovery channel is constructed by the seventh switching device 113, that is: from the passage of the experiment chamber 1031-the second joint 104-the second switching device 105-the first gas extraction device 106-the seventh switching device 113-the fourth switching device 109-the cylinder assembly 100, the influence on the use of the user can be avoided, the use experience of the user can be improved, and the system maintenance cost can be reduced.
Optionally, when the boosting device 108 fails, the third switching device 107 is in a closed state, and the second switching device 105, the seventh switching device 113, and the fourth switching device 109 are all in an open state, the third gas extraction device 1032 may cooperate with the first gas extraction device 106 to perform a gas recovery process, where the gas recovery process specifically includes: firstly, when the pressure of the experiment chamber 1031 is greater than or equal to the third value and less than the fourth value, the recovery is carried out through a passage from the experiment chamber 1031, the second joint 104, the second switching device 105, the first gas extraction device 106, the seventh switching device 113, the fourth switching device 109 and the gas cylinder assembly 100; then when the pressure of the experiment cavity 1032 is greater than or equal to the fifth value and less than the third value, the residual gas in the experiment cavity is recycled by the third gas extraction device 1032, and the recycling process is stopped when the pressure of the experiment cavity is less than the fifth value.
In this embodiment, when the pressure boosting device 108 fails, the first gas extraction device 106 and the third gas extraction device 1032 cooperate with the first gas extraction device 106 to perform the gas recovery process when the seventh switching device 113 is in the on state, so that the efficiency of the gas recovery process can be improved.
In this embodiment, optionally, the system further includes: the voltage stabilizing device is connected with the third switching device and the boosting device;
the pressure stabilizing device is used for stabilizing the pressure of the first gas extraction device.
The pressure stabilizing device may be understood as a device capable of stabilizing pressure, such as a pressure stabilizing bottle or other devices, and the present embodiment is not limited thereto.
In this embodiment, the pressure stabilizing device 114 can protect the first gas extraction device 106 from damage to the first gas extraction device 106 when the gas pressure is not stable.
In this embodiment, optionally, a pressure sensor may be further disposed between the pressure stabilizing device 114 and the pressure boosting device 108, and by measuring the pressure of the gas flowing through the pressure sensor, the pressurization process is advantageously monitored, and the normal use of the system is ensured.
In this embodiment, optionally, the gas cylinder assembly includes a gas cylinder and a pressure reducing device, the gas cylinder is connected to the switch device, and the switch device is connected to the pressure reducing device;
the gas storage cylinder is used for storing gas;
the pressure reducing device is used for reducing the pressure of the gas in the gas storage cylinder and releasing the gas with the reduced pressure to the experiment cavity.
The pressure reducing device may be understood as a device capable of reducing pressure, such as a pressure reducing valve or other devices, and the present embodiment is not limited thereto.
In this embodiment, store gas through the gas bomb 1002 and reduce the pressure of the gas in the gas bomb 1002 through the pressure reduction equipment 1003 to gas after will reducing pressure releases to experiment cavity 1031 in, can protect the experiment cavity, avoids when pressure is too big, damage experiment cavity 1031.
In this embodiment, the gas cylinder 1002 may be used to store gas in a gas recovery process, that is: the gas in the experiment chamber 1031 is recycled to the gas cylinder 1002 of the gas cylinder assembly 100.
In this embodiment, optionally, a pressure sensor may be further disposed between the gas cylinder 1002 and the switch device 1001, and by measuring the pressure of the gas flowing through the pressure sensor, the gas release process is monitored, and the normal use of the system is ensured.
In this embodiment, optionally, the system further includes: an eighth switching device connected to the first switching device and the first junction;
the eighth switching device is configured to restore the pressure of the experiment chamber to an initial value.
The eighth switching device may be understood as a device having an opening and closing function, such as a solenoid valve or a stop valve, and the types of the first switching device, …, the seventh switching device, and the eighth switching device may be the same or different, and this embodiment is not limited. The initial value may be understood as an atmospheric pressure value.
In this embodiment, the pressure of the experiment chamber 1031 can be restored to the initial value by the eighth switching device 115, that is, the pressure of the experiment chamber 1031 can be restored to the atmospheric pressure value by the first joint 102 when the eighth switching device 115 is turned on.
In this embodiment, optionally, the eighth switching device 115 may also be connected with a filter screen to filter the gas flowing through the eighth switching device 115.
In this embodiment, optionally, the system may further include a ninth switching device, the ninth switching device is connected in parallel between the first gas extraction device 106 and the second switching device 105, and the ninth switching device is configured to: and (3) initially vacuumizing the system to ensure the system to be clean and free of air residue.
The ninth switching device may be understood as a device having an opening and closing function, such as a solenoid valve or a stop valve, and the type of the first switching device …, the type of the eighth switching device, and the type of the ninth switching device may be the same or different, and the present embodiment is not limited.
In this embodiment, optionally, the seventh switching device 113 is further configured to, during the gas recycling process, after the third gas extraction device 1032, the second switching device 105 and the third gas extraction device 106 are turned off, turn on the seventh switching device 113, release the pressure at the outlet of the pressure boosting device 108 through the seventh switching device 113, turn off the seventh switching device 113 and the seventh switching device 107 after the pressure release is completed, and power off the system, thereby completing the pressurization process.
Specifically, fig. 2B is a schematic structural diagram of a vacuum and pressurization system in an embodiment of the present disclosure, which schematically illustrates an implementation manner, as shown in fig. 2B:
on the basis of fig. 2A and this embodiment, it is assumed that the first switching device, …, the eighth switching device, and the ninth switching device are respectively a solenoid valve 1, a solenoid valve 2, a solenoid valve …, a solenoid valve 8, and a solenoid valve 9, the first joint and the second joint are respectively a DN8 joint 1 and a DN8 joint 2, the first gas extraction device is a mechanical pump 1, the second gas extraction device is a mechanical pump 2, the third gas extraction device is a molecular pump, the pressure boosting device is a pressure boosting pump, the pressure stabilizing device is a pressure stabilizing bottle, the switching device is a stop valve, the pressure reducing device is a pressure reducing valve, in the figure, 5 pressure sensors, namely a pressure sensor 1, a pressure sensor 2, a pressure sensor … and a pressure sensor 5 are arranged, and 3 filter screens are also arranged, and an oxygen partial pressure meter, a pressure meter and a vacuum meter are arranged in the experiment cavity assembly, and the system can realize the vacuum extraction process and the pressurization process.
It should be noted that: the functions of the respective devices have been described in the above embodiments, and are not described in detail here.
Fig. 3 is a schematic flow chart of a method for implementing vacuum and pressurization according to an embodiment of the present disclosure, where the embodiment is applied to a vacuum and pressurization system, and the system includes: the gas bomb component is connected with the first switch device, the first switch device is connected with an experimental cavity in the experimental cavity component through the first connector, the experimental cavity is connected with the second switch device through the second connector, the second switch device is connected with the first gas extraction device, the first gas extraction device is connected with the third switch device, the third switch device is connected with the boosting device, the boosting device is connected with the fourth switch device, and the fourth switch device is connected with the switch device in the gas bomb component, the second joint is connected to the fifth switching device, and the fifth switching device is connected to the second gas extraction device, as shown in fig. 3, the method specifically includes the following steps:
and S310, when the fifth switch device is in an open state, the second gas extraction device extracts the experiment cavity to a vacuum state based on the second connector.
S320, when the first switch device is in an open state and the experiment cavity is in a vacuum state, the gas in the gas storage cylinder assembly is released into the experiment cavity based on the first connector.
S330, when the first gas extraction equipment is in an open state in the second switch equipment, the third switch equipment, the fourth switch equipment and the boosting equipment, gas in the experiment cavity is recovered to the gas storage bottle assembly based on the second connector.
In this embodiment, optionally, the experiment chamber assembly further includes a third gas extraction device, and the third gas extraction device is connected to the experiment chamber and the second joint;
correspondingly, the method further comprises the following steps: the second gas extraction equipment is used for extracting the experiment cavity based on the second joint when the vacuum degree of the experiment cavity is greater than or equal to a first value;
the third gas extraction apparatus to: when the vacuum degree of the experiment cavity is larger than or equal to a second value and smaller than the first value, the experiment cavity is extracted, and when the pressure of the experiment cavity is smaller than the second value, the extraction process is stopped.
In this embodiment, optionally, the method further includes: the first gas extraction equipment is used for recovering the gas in the experiment cavity when the pressure of the experiment cavity is greater than or equal to a third value and smaller than a fourth value;
and the third gas extraction equipment is used for recovering the residual gas in the experiment cavity when the pressure of the experiment cavity is greater than or equal to a fifth value and less than the third value, and stopping the recovery process when the pressure of the experiment cavity is less than the fifth value.
In this embodiment, optionally, the system further includes a sixth switching device, where the sixth switching device is connected to the first gas extraction device;
correspondingly, the method further comprises the following steps: and when the second gas extraction equipment fails, the fifth switch equipment is in a closed state, the second switch equipment is in an open state and the sixth switch equipment is in an open state, the first gas extraction equipment extracts the experiment cavity to a vacuum state based on the second joint.
In this embodiment, optionally, the system further includes a seventh switching device, and the seventh switching device is connected to the first gas extraction device and the fourth switching device;
correspondingly, the method further comprises the following steps: and when the first gas extraction equipment is in the state that the boosting equipment is failed, the third switch equipment is in a closed state, the second switch equipment, the seventh switch equipment and the fourth switch equipment are in an open state, the gas in the experiment cavity is recovered to the gas storage bottle assembly based on the second joint.
In this embodiment, optionally, the system further includes: the voltage stabilizing device is connected with the third switching device and the boosting device;
correspondingly, the method further comprises the following steps: the pressure stabilization device stabilizes the pressure of the first gas extraction device.
In this embodiment, optionally, the gas cylinder assembly includes a gas cylinder and a pressure reducing device, the gas cylinder is connected to the switch device, and the switch device is connected to the pressure reducing device;
correspondingly, the method further comprises the following steps: the gas storage cylinder stores gas;
and the pressure reducing equipment reduces the pressure of the gas in the gas storage bottle and releases the gas with reduced pressure to the experiment cavity.
In this embodiment, optionally, the system further includes: an eighth switching device connected to the first switching device and the first junction;
correspondingly, the method further comprises the following steps: the eighth switching device restores the pressure of the experiment chamber to an initial value.
According to the method for realizing vacuum and pressurization provided by the embodiment of the disclosure, firstly, when the fifth switch device is in an open state, the experiment cavity is extracted to be in a vacuum state based on the second connector, then when the gas bomb component is in the open state and the experiment cavity is in the vacuum state at the first switch device, the gas in the gas bomb component is released to the experiment cavity based on the first connector, and finally, when the first gas extraction device is in the open state at the second switch device, the third switch device, the fourth switch device and the boosting device, the gas in the experiment cavity is recovered to the gas bomb component based on the second connector.
The disclosed embodiments also provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are used to implement the vacuum and pressurization implementation methods provided by the disclosed embodiments.
Of course, the storage medium provided by the embodiments of the present disclosure contains computer-executable instructions, and the computer-executable instructions are not limited to the operations of the method described above, and can also execute the operations related to the implementation method of vacuum and pressurization provided by any embodiment of the present disclosure.
From the above description of the embodiments, it is obvious for a person skilled in the art that the present disclosure can be implemented by software and necessary general hardware, and certainly can be implemented by hardware, but in many cases, the former is a better embodiment. Based on such understanding, the technical solutions of the present disclosure may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods according to the embodiments of the present disclosure.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
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