CN113812347A - Suit cabin adds decompression system - Google Patents
Suit cabin adds decompression system Download PDFInfo
- Publication number
- CN113812347A CN113812347A CN202111036317.7A CN202111036317A CN113812347A CN 113812347 A CN113812347 A CN 113812347A CN 202111036317 A CN202111036317 A CN 202111036317A CN 113812347 A CN113812347 A CN 113812347A
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- cabin body
- pressure value
- cabin
- pressure
- pipeline
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/02—Pigsties; Dog-kennels; Rabbit-hutches or the like
- A01K1/03—Housing for domestic or laboratory animals
Abstract
The invention relates to a cabin covering pressure increasing and reducing system, which comprises a small cabin body arranged in a large cabin body, wherein the small cabin body is communicated with an air bag, an absorption tank which is horizontally arranged and is used for bearing a carbon dioxide absorbent is fixed in the small cabin body, a pressurizing pipeline is communicated with the small cabin body, the other end of the pressurizing pipeline penetrates through the large cabin body and is then connected with an air bottle, a first electric control valve is arranged on the pressurizing pipeline, a pressure reducing pipeline penetrating through the large cabin body is communicated with the small cabin body, a second electric control valve is arranged on the pressure reducing pipeline, a first pressure sensor is arranged in the small cabin body, and a second pressure sensor is arranged in the large cabin body; the first pressure sensor detects a first pressure value in the small cabin body, and the second pressure sensor detects a second pressure value in the large cabin body; the controller controls the first electric control valve to be opened when the first pressure value is smaller than the second pressure value, so that nitrogen-oxygen mixture in the gas cylinder flows into the cabin body through the pressurization pipeline to realize pressurization, and controls the second electric control valve to be opened when the first pressure value is larger than the second pressure value, so that air pressure in the cabin body flows out through the decompression pipeline to realize decompression.
Description
Technical Field
The invention relates to the technical field of animal experiment cabins, in particular to a cabin-sleeving pressure-reducing system.
Background
The existing animal experiment cabin is generally a large cabin, small animals to be tested are placed in the cabin, the small animals need to be in a nitrogen-oxygen mixed gas environment during experiment, nitrogen needs to be added into the animal experiment cabin, the animal experiment cabin is large, the whole animal experiment cabin needs to be filled with a large amount of nitrogen, nitrogen waste is caused, and the cost of the nitrogen is high, so that the use of the nitrogen can cause the improvement of the whole experiment cost.
Disclosure of Invention
Aiming at the problems and the defects in the prior art, the invention provides a novel cabin-sleeving pressure increasing and reducing system.
The invention solves the technical problems through the following technical scheme:
the invention provides a suit of cabin pressurization and depressurization system which is characterized by comprising a small cabin body arranged in a large cabin body of an animal experiment cabin, wherein the small cabin body is used for placing small animals to be tested and is communicated with an air bag, an horizontally arranged absorption tank carrying a carbon dioxide absorbent is fixed in the small cabin body, two ends of the absorption tank are provided with ventilation openings, the small cabin body is communicated with one end of a pressurization pipeline, the other end of the pressurization pipeline is connected with a gas cylinder carrying a nitrogen-oxygen mixture after penetrating through the large cabin body, the pressurization pipeline is provided with a first electric control valve, the small cabin body is communicated with one end of a depressurization pipeline, the other end of the depressurization pipeline is communicated with the large cabin body, the depressurization pipeline is provided with a second electric control valve, the small cabin body is internally provided with a first pressure sensor, and the large cabin body is internally provided with a second pressure sensor, the first pressure sensor, the second pressure sensor, the first electric control valve and the second electric control valve are all electrically connected with the controller.
The first pressure sensor is used for detecting a pressure value in the small cabin body as a first pressure value, and the second pressure sensor is used for detecting a pressure value in the large cabin body as a second pressure value.
The controller is used for comparing a first pressure value with a second pressure value, controlling the first electric control valve to open when the first pressure value is smaller than the second pressure value, enabling the nitrogen-oxygen mixture in the gas cylinder to flow into the cabin body through the pressurization pipeline to pressurize the cabin body until the first pressure value is equal to the second pressure value, and controlling the second electric control valve to open when the first pressure value is larger than the second pressure value, enabling the gas pressure in the cabin body to flow out through the decompression pipeline to decompress the cabin body until the first pressure value is equal to the second pressure value.
Preferably, the absorption tank comprises a tank body carrying the carbon dioxide absorbent and a cover body with a hollow end, the cover body covers one end of the tank body, a first ventilation net is fixed at the other end of the tank body, and a second ventilation net is fixed at the hollow end of the cover body.
Preferably, the connection between the pressurization pipeline and the large cabin body is sealed through a sealing piece.
Preferably, the connection between the pressure reducing pipeline and the large cabin body is sealed through a sealing member.
Preferably, the small cabin body is an organic glass cabin.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
in the invention, the small animals are placed in the small cabin body for experiment, and the nitrogen is only filled in the small cabin body, so that the cost is saved, and the waste of the nitrogen is not caused; pressurizing the capsule by adopting the nitrogen-oxygen mixture to enable the small animal to perform an experiment in the nitrogen-oxygen mixture environment; and performing pressure reduction and pressure reduction operation on the small cabin body based on the pressure in the small cabin body and the pressure in the large cabin body so as to keep the pressure balance between the small cabin body and the large cabin body.
Drawings
Fig. 1 is a schematic structural view of a cabin pressurization and depressurization system according to a preferred embodiment of the present invention.
FIG. 2 is a schematic structural view of an absorption tank according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 and fig. 2, this embodiment provides a cabin-sleeving pressurization and depressurization system, which includes a small cabin body 2 arranged in a large cabin body 1 of an animal experiment cabin, the small cabin body 2 is an organic glass cabin, the small cabin body 2 is used for placing small animals to be tested, the small cabin body 2 is communicated with an airbag 3, an absorption tank 4 horizontally loaded with carbon dioxide absorbent is fixed in the small cabin body 2, two ends of the absorption tank 4 are provided with vent holes, the small cabin body 2 is communicated with one end of a pressurization pipeline 5, the other end of the pressurization pipeline 5 is connected with a gas cylinder 6 loaded with nitrogen-oxygen mixture after penetrating through the large cabin body 1, the pressurization pipeline 5 is provided with a first electric control valve 7, the joint of the pressurization pipeline 5 and the large cabin body 1 is sealed by a sealing member, the small cabin body 2 is communicated with one end of a depressurization pipeline 8, the other end of the depressurization pipeline 8 penetrates through the large cabin body 1, the pressure reducing pipeline 8 is provided with a second electric control valve 11, the joint of the pressure reducing pipeline 8 and the large cabin body 1 is sealed through a sealing piece, the small cabin body 2 is internally provided with a first pressure sensor 9, the large cabin body 1 is internally provided with a second pressure sensor 10, and the first pressure sensor 9, the second pressure sensor 10, the first electric control valve 7 and the second electric control valve 11 are all electrically connected with the controller.
The absorption tank 4 comprises a tank body 41 carrying the carbon dioxide absorbent and a cover body 42 with a hollow end part, wherein one end of the tank body 41 is covered by the cover body 42, a first ventilation net 43 is fixed at the other end of the tank body 41, and a second ventilation net is fixed at the hollow end part of the cover body 42.
When the small animal such as a mouse needs to perform an experiment in a nitrogen-oxygen mixture environment, the controller controls the first electric control valve 7 to be opened, and the nitrogen-oxygen mixture in the gas cylinder 6 flows into the small cabin body 2 through the pressurizing pipeline 5. The first pressure sensor 9 detects the pressure in the small cabin body 2, the second pressure sensor 10 detects the pressure in the large cabin body 1, when the pressure in the small cabin body 2 is smaller than the pressure in the large cabin body 1, the controller controls the first electric control valve 7 to be opened, so that the nitrogen-oxygen mixture in the gas cylinder 6 flows into the small cabin body 2 through the pressurization pipeline 5 to pressurize the small cabin body 2, and when the gas pressure in the small cabin body 2 is increased, part of the gas can enter the gas bag 3 to expand the gas bag 3; when the pressure in the small cabin body 2 is greater than the pressure in the large cabin body 1, the controller controls the second electric control valve 11 to be opened, so that the air pressure in the small cabin body 2 flows out through the pressure reducing pipeline 8, the small cabin body 2 is subjected to pressure reduction, and the air bag 3 can be contracted when the air pressure in the small cabin body 2 is reduced; when the pressure in the small cabin body 2 is equal to the pressure in the large cabin body 1, the pressure balance between the large cabin body and the small cabin body is kept.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (5)
1. The utility model provides a cover cabin adds subtracts and presses system, its characterized in that, its cabin body including the big cabin internal of arranging animal experiment cabin in, the internal toy of waiting to experiment that is used for placing of cabin, the cabin body intercommunication has the gasbag, the internal adsorption tank who bears the weight of carbon dioxide absorbent that the level was placed that is fixed with of cabin, the both ends of adsorption tank have the vent, the intercommunication has the one end of pressurization pipeline on the cabin body, the other end of pressurization pipeline is worn to establish behind the big cabin body and is connected with the gas cylinder that bears the weight of the nitrogen oxygen mixture, be provided with first automatically controlled valve on the pressurization pipeline, the intercommunication has the one end of decompression pipeline on the cabin body, the big cabin body is worn to establish by the other end of decompression pipeline, be provided with second automatically controlled valve on the decompression pipeline, the internal first pressure sensor that is provided with of cabin, be provided with second pressure sensor in the big cabin body, first pressure sensor, The second pressure sensor, the first electric control valve and the second electric control valve are all electrically connected with the controller;
the first pressure sensor is used for detecting a pressure value in the small cabin body as a first pressure value, and the second pressure sensor is used for detecting a pressure value in the large cabin body as a second pressure value;
the controller is used for comparing a first pressure value with a second pressure value, controlling the first electric control valve to open when the first pressure value is smaller than the second pressure value, enabling the nitrogen-oxygen mixture in the gas cylinder to flow into the cabin body through the pressurization pipeline to pressurize the cabin body until the first pressure value is equal to the second pressure value, and controlling the second electric control valve to open when the first pressure value is larger than the second pressure value, enabling the gas pressure in the cabin body to flow out through the decompression pipeline to decompress the cabin body until the first pressure value is equal to the second pressure value.
2. The suite pressurization and depressurization system according to claim 1, wherein the absorption tank comprises a tank body carrying the carbon dioxide absorbent and a cover body with a hollow end part, the cover body covers one end of the tank body, the other end of the tank body is fixed with a first ventilation net, and the hollow end part of the cover body is fixed with a second ventilation net.
3. The suite pressurization and depressurization system according to claim 1, wherein the connection between the pressurization pipeline and the large cabin body is sealed by a sealing member.
4. The suite pressurization and depressurization system according to claim 1, wherein the connection between the depressurization line and the large cabin body is sealed by a sealing member.
5. The suite pressurization and depressurization system of claim 1, wherein the small cabin is a plexiglass cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111036317.7A CN113812347A (en) | 2021-09-06 | 2021-09-06 | Suit cabin adds decompression system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111036317.7A CN113812347A (en) | 2021-09-06 | 2021-09-06 | Suit cabin adds decompression system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113812347A true CN113812347A (en) | 2021-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111036317.7A Pending CN113812347A (en) | 2021-09-06 | 2021-09-06 | Suit cabin adds decompression system |
Country Status (1)
| Country | Link |
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| CN (1) | CN113812347A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116019016A (en) * | 2022-10-26 | 2023-04-28 | 中国人民解放军海军特色医学中心 | Cabin pressure control system with air purification and circulation functions and control method thereof |
| CN117378514A (en) * | 2023-11-29 | 2024-01-12 | 中国人民解放军海军特色医学中心 | Animal experiment system under high-pressure environment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010081865A (en) * | 2008-09-30 | 2010-04-15 | Hitachi Plant Technologies Ltd | Animal-rearing chamber |
| CN205511448U (en) * | 2016-01-28 | 2016-08-31 | 兰州大学第一医院 | Experimental animals oxygen cabin structure |
| CN106137453A (en) * | 2016-08-29 | 2016-11-23 | 叶贤伟 | A kind of Real-time Feedback multi-mode oxygen control system |
| CN206541217U (en) * | 2017-02-04 | 2017-10-03 | 中国人民解放军第二军医大学 | Compression chamber inner sleeve cabin declines environmental control system |
| CN209278608U (en) * | 2018-09-19 | 2019-08-20 | 浙江中德自控科技股份有限公司 | A kind of willing pneumatic control valve |
| CN110368232A (en) * | 2019-08-14 | 2019-10-25 | 中国人民解放军海军特色医学中心 | The pressurization cabin system that circulating oxygen uses |
| CN211180673U (en) * | 2020-01-20 | 2020-08-04 | 中国工程物理研究院总体工程研究所 | Deep water compression molding simulation test device |
-
2021
- 2021-09-06 CN CN202111036317.7A patent/CN113812347A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010081865A (en) * | 2008-09-30 | 2010-04-15 | Hitachi Plant Technologies Ltd | Animal-rearing chamber |
| CN205511448U (en) * | 2016-01-28 | 2016-08-31 | 兰州大学第一医院 | Experimental animals oxygen cabin structure |
| CN106137453A (en) * | 2016-08-29 | 2016-11-23 | 叶贤伟 | A kind of Real-time Feedback multi-mode oxygen control system |
| CN206541217U (en) * | 2017-02-04 | 2017-10-03 | 中国人民解放军第二军医大学 | Compression chamber inner sleeve cabin declines environmental control system |
| CN209278608U (en) * | 2018-09-19 | 2019-08-20 | 浙江中德自控科技股份有限公司 | A kind of willing pneumatic control valve |
| CN110368232A (en) * | 2019-08-14 | 2019-10-25 | 中国人民解放军海军特色医学中心 | The pressurization cabin system that circulating oxygen uses |
| CN211180673U (en) * | 2020-01-20 | 2020-08-04 | 中国工程物理研究院总体工程研究所 | Deep water compression molding simulation test device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116019016A (en) * | 2022-10-26 | 2023-04-28 | 中国人民解放军海军特色医学中心 | Cabin pressure control system with air purification and circulation functions and control method thereof |
| CN116019016B (en) * | 2022-10-26 | 2023-06-27 | 中国人民解放军海军特色医学中心 | Cabin pressure control system with air purification and circulation functions and control method thereof |
| CN117378514A (en) * | 2023-11-29 | 2024-01-12 | 中国人民解放军海军特色医学中心 | Animal experiment system under high-pressure environment |
| CN117378514B (en) * | 2023-11-29 | 2024-04-02 | 中国人民解放军海军特色医学中心 | Animal experiment system under high-pressure environment |
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Application publication date: 20211221 |
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| RJ01 | Rejection of invention patent application after publication |