CN215454603U - Pressurizing and depressurizing device for suit cabin - Google Patents
Pressurizing and depressurizing device for suit cabin Download PDFInfo
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- CN215454603U CN215454603U CN202122131731.8U CN202122131731U CN215454603U CN 215454603 U CN215454603 U CN 215454603U CN 202122131731 U CN202122131731 U CN 202122131731U CN 215454603 U CN215454603 U CN 215454603U
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Abstract
The utility model discloses a suit cabin pressurization and depressurization device, which comprises 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, the small cabin body is communicated with an air bag, a horizontally arranged absorption tank carrying 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 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 penetrates through 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, the large cabin body is internally provided with a second pressure sensor, the first pressure sensor and the second pressure sensor, the first electric control valve and the second electric control valve are both electrically connected with the controller.
Description
Technical Field
The utility model relates to the technical field of animal experiment cabins, in particular to a pressurizing and depressurizing device for a suit cabin.
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.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems and the defects in the prior art, the utility model provides a novel pressurizing and depressurizing device for a suit of cabins.
The utility model solves the technical problems through the following technical scheme:
the utility model provides a suit of cabin pressurization and depressurization device 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 absorption tank which is horizontally arranged and bears 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 bearing 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.
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 utility model.
The positive progress effects of the utility model are as follows:
in the utility model, 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 device 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, the embodiment provides a cabin-sleeving pressurization and depressurization device, which comprises a small cabin body 2 arranged in a large cabin body 1 of an animal experiment cabin, wherein 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, a horizontally-arranged absorption tank 4 (see fig. 2) carrying 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 carrying 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 through 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 utility model 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 utility model 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 utility model, and these changes and modifications are within the scope of the utility model.
Claims (5)
1. The utility model provides a cover cabin pressurization and depressurization device, its characterized in that, its cabin body including the big cabin body 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 retort that bears the weight of carbon dioxide absorbent that the level was placed of being fixed with of cabin, the both ends of retort 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.
2. The device for pressurizing and depressurizing the cofferdam of 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 is covered on one end of the tank body, a first ventilation net is fixed on the other end of the tank body, and a second ventilation net is fixed on the hollow end part of the cover body.
3. The apparatus for pressurizing and depressurizing a suite as recited in claim 1, wherein the joint of said pressurizing pipeline and said large cabin body is sealed by a sealing member.
4. The apparatus for pressurizing and depressurizing the suite as recited in claim 1, wherein the joint of the depressurization line and the large cabin body is sealed by a sealing member.
5. The device for pressurizing and depressurizing the suite as recited in claim 1, wherein the small cabin body is an organic glass cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122131731.8U CN215454603U (en) | 2021-09-06 | 2021-09-06 | Pressurizing and depressurizing device for suit cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122131731.8U CN215454603U (en) | 2021-09-06 | 2021-09-06 | Pressurizing and depressurizing device for suit cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215454603U true CN215454603U (en) | 2022-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122131731.8U Active CN215454603U (en) | 2021-09-06 | 2021-09-06 | Pressurizing and depressurizing device for suit cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215454603U (en) |
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2021
- 2021-09-06 CN CN202122131731.8U patent/CN215454603U/en active Active
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