CN210270632U - Plateau micro-pressure test cabin pressurization system - Google Patents
Plateau micro-pressure test cabin pressurization system Download PDFInfo
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- CN210270632U CN210270632U CN201921624047.XU CN201921624047U CN210270632U CN 210270632 U CN210270632 U CN 210270632U CN 201921624047 U CN201921624047 U CN 201921624047U CN 210270632 U CN210270632 U CN 210270632U
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Abstract
The utility model discloses a plateau minute-pressure test cabin pressurization system, including the oilless vortex formula air compressor machine and the test cabin body, the return air inlet intercommunication on the air outlet of oilless vortex formula air compressor machine and the test cabin body, be provided with the air outlet on the test cabin body, be provided with the differential pressure gauge that is used for detecting test cabin extravehicular and under-deck pressure differential on the test cabin body, all be provided with air regulation device on return air inlet, the air outlet, differential pressure gauge, air regulation device all connect on the controller, controller control air regulation device so that the under-deck atmospheric pressure is 0.1 atmospheric pressure to 0.5 atmospheric pressure more than the extravehicular atmospheric pressure. The air pressure in the test chamber can simulate the plain air pressure by using the controller to ensure that the air pressure in the test chamber is 0.1-0.5 atmospheric pressure greater than the air pressure outside the test chamber, so as to reduce the altitude reaction of people, and the structure of the chamber body of the test chamber is adopted, so that the moving range in the chamber body is not limited.
Description
Technical Field
The utility model relates to a test chamber field, concretely relates to plateau minute-pressure test chamber pressurization system.
Background
The influence of low pressure on human body is because the air pressure decreases regularly with the increase of the height above the ground, the lower the air pressure, the thinner the air, the lower the oxygen partial pressure in the air, and the lower the oxygen partial pressure in the lung, so the hemoglobin can not be saturated by oxygen, and hypoxemia can occur. The oxygen content in plateau areas is only about 70% of that in plain, and the atmospheric pressure is also low, which is the main reason for generating altitude reaction.
After entering the plateau, in order to reduce the plateau reaction, the oxygen mask generally absorbs oxygen. However, this method has a drawback that wearing the oxygen mask in the oxygen inhalation chamber affects the range of motion of the human body, and the range of motion of the human body is limited.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem and provide a lock motor drive circuit.
The utility model discloses a following technical scheme realizes:
the utility model provides a plateau minute-pressure test cabin pressurization system, includes the oily vortex formula air compressor machine and the test cabin body, the air outlet of oily vortex formula air compressor machine communicates with the return air inlet on the test cabin body, be provided with the air outlet on the test cabin body, be provided with the differential pressure gauge that is used for detecting test cabin extravehicular and under-deck pressure differential on the test cabin body, all be provided with air regulation device on return air inlet, the air outlet, differential pressure gauge, air regulation device all connect on the controller, controller control air regulation device so that under-deck atmospheric pressure is greater than extravehicular atmospheric pressure 0.1 atmospheric pressure to 0.5 atmospheric pressure. This scheme adopts does not have oily vortex formula air compressor machine, the low noise, and small, efficient, light in weight not only can reduce the volume of whole equipment, and can improve the interior activity personnel's of cabin experience and feel, avoids causing the influence to the rest personnel. The air return port supplies air pressure to the interior of the cabin body, and the air outlet is used for exhausting air outwards from the interior of the cabin body so as to generate air circulation in the cabin and keep the air in the cabin fresh. The controller controls the air quantity regulating device according to the value of the differential pressure gauge so as to control the air outlet quantity of the air outlet and the return air quantity of the return air inlet, and keep the air pressure in the test chamber to be 0.1 to 0.5 atmospheric pressure greater than the air pressure outside the test chamber, so that the air pressure in the test chamber can simulate plain air pressure. The human body enters the cabin body of the test cabin just like in plain to reduce the altitude reaction of the human body, and the structure of the cabin body of the test cabin is adopted, so that the moving range in the cabin body is not limited.
Preferably, in order to facilitate the arrangement of the test chamber, the chamber body of the test chamber is a movable chamber body.
Preferably, in order to reduce the noise of the micro-pressure test chamber, the air outlet is provided with a sound absorption and insulation enclosure structure, a sound attenuation structure is arranged in the sound absorption and insulation enclosure structure, and the sound attenuation structure comprises a silencer and a support frame for fixing the silencer.
Further, the mufflers are arranged in an array.
Furthermore, in order to improve the air quality in the cabin body of the test cabin, a dust adsorption plate is arranged on the air inlet side of the sound absorption and insulation enclosing structure.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model discloses a controller under-deck atmospheric pressure is than 0.1 atmospheric pressure to 0.5 atmospheric pressure outside the cabin, makes the plain atmospheric pressure of testcabin interior atmospheric pressure simulation to reduce people's altitude reaction, and adopt testcabin cabin body structure, the home range in the cabin body can not be restricted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the utility model discloses inhale sound insulation envelope's structural schematic.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
As shown in fig. 1, a plateau micro-pressure test cabin pressurization system comprises an oil-free vortex air compressor 1 and a test cabin body 2, an air outlet of the oil-free vortex air compressor is communicated with an air return port 21 on the test cabin body, an air outlet 22 is arranged on the test cabin body, a differential pressure gauge for detecting the pressure difference between the outside of the test cabin and the inside of the test cabin is arranged on the test cabin body 2, air volume adjusting devices 3 are arranged on the air return port and the air outlet, the differential pressure gauge and the air volume adjusting devices are connected on a controller, and the controller controls the air volume adjusting devices to enable the pressure in the cabin to be 0.1 to 0.5 atmospheric pressure greater than the pressure outside the cabin. Preferably, the controller controls the air quantity adjusting device so that the cabin interior air pressure is 0.3 atm to 0.4 atm greater than the cabin exterior air pressure.
The air quantity adjusting device 3 controls the air quantity of the air return inlet and the air outlet, the differential pressure gauge detects the pressure difference between the outside of the test chamber and the inside of the test chamber, and when the air pressure in the chamber is smaller than the air pressure outside the chamber by 0.1 atmospheric pressure, the controller reduces the air quantity of the air outlet or/and increases the air quantity of the air return inlet so as to enable the air pressure in the chamber to be larger than the air pressure outside the chamber by 0.1 atmospheric pressure to 0.5 atmospheric pressure. The circuit principle and the electrical connection of the controller, the air volume adjusting device 3 and the differential pressure gauge can be realized by adopting the prior art, and are not described in detail herein.
Example 2
The present embodiment is optimized based on the structure of the above embodiment, that is, the controller controls the air volume adjusting device to make the pressure inside the cabin be 0.4 atm greater than the pressure outside the cabin. The test chamber body is a movable chamber body, the test chamber body can be formed by splicing plate-shaped connecting pieces, and the bottom of the test chamber body can be provided with a roller and a roller locking structure so as to meet the use requirements of the test chamber body in multiple environments.
Example 3
The embodiment is improved on the basis of the above embodiment, that is, as shown in fig. 2, the air outlet is provided with a sound absorption and insulation enclosure, and a sound attenuation structure is arranged in the sound absorption and insulation enclosure, and the sound attenuation structure includes a muffler 41 and a support frame 42 for fixing the muffler. The mufflers are arranged in an array.
And a dust adsorption plate 5 is arranged on the air inlet side of the sound absorption and insulation enclosure structure. The dust adsorption plate 5 can be implemented by using an existing structure.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a plateau minute-pressure test cabin pressurization system, includes oil-free vortex formula air compressor machine and test cabin body, its characterized in that, the air outlet of oil-free vortex formula air compressor machine communicates with the return air inlet on the test cabin body, be provided with the air outlet on the test cabin body, be provided with the differential pressure gauge that is used for detecting test cabin extravehicular and under-deck pressure differential on the test cabin body, all be provided with air regulation device on return air inlet, the air outlet, differential pressure gauge, air regulation device all connect on the controller, controller control air regulation device so that the under-deck atmospheric pressure is 0.1 atmospheric pressure to 0.5 atmospheric pressure more than the extravehicular atmospheric pressure.
2. The pressurization system for plateau micro-pressure test chamber as claimed in claim 1, wherein said controller controls said air volume adjusting device to make the pressure inside the chamber 0.3 atm to 0.4 atm greater than the pressure outside the chamber.
3. The pressurization system for plateau micro-pressure test chamber as claimed in claim 1, wherein said controller controls said air volume adjusting means so that the pressure inside the chamber is 0.4 atm greater than the pressure outside the chamber.
4. The system of claim 1, wherein the test chamber body is a movable body.
5. The pressurization system for the plateau micro-pressure test chamber as recited in claim 1, wherein the air outlet is provided with a sound absorption and insulation enclosure, a sound attenuation structure is arranged in the sound absorption and insulation enclosure, and the sound attenuation structure comprises a silencer and a support frame for fixing the silencer.
6. The pressurization system for plateau micro-pressure test chamber as recited in claim 5, wherein said mufflers are arranged in an array.
7. The pressurization system for plateau micro-pressure test chamber as claimed in claim 5, wherein a dust absorption plate is disposed on an air inlet side of the sound absorption and insulation building enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921624047.XU CN210270632U (en) | 2019-09-27 | 2019-09-27 | Plateau micro-pressure test cabin pressurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921624047.XU CN210270632U (en) | 2019-09-27 | 2019-09-27 | Plateau micro-pressure test cabin pressurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210270632U true CN210270632U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921624047.XU Active CN210270632U (en) | 2019-09-27 | 2019-09-27 | Plateau micro-pressure test cabin pressurization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210270632U (en) |
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2019
- 2019-09-27 CN CN201921624047.XU patent/CN210270632U/en active Active
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