CN218600880U - Pressure-bearing type breathing resistance testing device - Google Patents
Pressure-bearing type breathing resistance testing device Download PDFInfo
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- CN218600880U CN218600880U CN202222782996.9U CN202222782996U CN218600880U CN 218600880 U CN218600880 U CN 218600880U CN 202222782996 U CN202222782996 U CN 202222782996U CN 218600880 U CN218600880 U CN 218600880U
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- oxygen
- copper tubing
- hose
- copper tube
- pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a but bearing type respiratory resistance testing arrangement belongs to test equipment technical field, including oxygen uptake hose one, oxygen uptake hose two, copper tubing one, copper tubing two, copper tubing three and suction oxygen mask, copper tubing one is connected to the one end of oxygen uptake hose one, the other end is connected by test part oxygen-absorbing valve, the both ends of oxygen uptake hose two are connected with copper tubing one and suction oxygen mask respectively, suction oxygen mask passes through oxygen uptake hose one and is connected with copper tubing two, copper tubing two is connected respectively at the both ends of oxygen uptake hose two by test part oxygen valve, the both ends of copper tubing three are connected with copper tubing one and copper tubing two respectively, connect extravehicular oxygen suppliment mouth by test part oxygen valve. The utility model discloses a but pressure-bearing formula respiratory resistance testing arrangement can test under bearing the external pressure, ensures that built-in respiratory resistance meets the standard requirement, has ensured that the under-deck personnel are diving decompression and decompression sickness treatment carrying on.
Description
Technical Field
The utility model relates to a test equipment technical field, specifically speaking, the utility model relates to a but pressure-bearing formula respiratory resistance testing arrangement.
Background
The built-in breathing apparatus is a breathing harness which is arranged in the deck decompression chamber/compression chamber and is directly supplied with breathing gas and discharged by an extravehicular pipeline. The respiratory resistance of the breathing apparatus is the sum of the resistance caused by the breathing harness when a person in the cabin wears the breathing harness and exhales, and the sum of the resistance caused by the breathing harness when inhaling is called the inspiratory resistance, and the resistance and the inspiratory resistance are both called the respiratory resistance.
According to the national standard GB/T16560-2011 (Deck decompression Chamber) of China's people's republic of China's Release military standard HJB170-97 (Universal Specification for pressurized Chambers) and China's people's republic of China, the breathing harness mask inhalation resistance is not less than-400 Pa, and exhalation resistance is not more than 300 Pa. HJB170-97 general Specification for pressurized cabin has higher requirements, and stipulates that the breathing resistance of the mask of the breathing harness is tested when the pressure in the cabin is 0.05-0.18 MPa. To ensure the safety of the deck decompression/compression compartments, the standard specifies that "the allowed voltage in the compartment must not exceed 24V".
The breathing resistance tester on the market at present tests under normal pressure and has the voltage of 220V, and the test requirements that the pressure and the voltage cannot exceed 24V can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a but pressure-bearing formula respiratory resistance testing arrangement is provided, built-in respiratory device can test under bearing the external pressure, ensures that built-in respiratory device respiratory resistance meets the standard requirement.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a but pressure-bearing formula respiratory resistance testing arrangement, includes oxygen uptake hose one, oxygen uptake hose two, copper tubing one, copper tubing two, copper tubing three and inhale the oxygen mask, copper tubing one is connected to the one end of oxygen uptake hose one, and the other end is connected by test part oxygen-absorbing valve, and the both ends of oxygen uptake hose two are connected with copper tubing one and inhale the oxygen mask respectively, inhales the oxygen mask and is connected with copper tubing two through oxygen uptake hose one, and copper tubing two and tested part oxygen valve are connected respectively to the both ends of oxygen uptake hose two, the both ends of copper tubing three are connected with copper tubing one and copper tubing two respectively, connect the outer oxygen suppliment mouth of cabin by test part oxygen-absorbing valve, are connected the outer oxygen suppliment mouth of cabin by test part oxygen-expelling valve.
Preferably, the copper tube is connected with the capsule pressure gauge through a pressure gauge connecting hose in a tee mode.
Adopt the technical scheme of the utility model, can obtain following beneficial effect:
the utility model discloses a but pressure-bearing formula respiratory resistance testing arrangement can test under bearing the external pressure, ensures that built-in respiratory resistance meets the standard requirement, has ensured that the interior personnel are diving the oxygen uptake oxygen extraction safety of decompression and decompression disease treatment in-process, improves the travelling comfort of the interior personnel, ensures decompression and treatment.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic structural diagram of the test apparatus;
the labels in the above figures are: 1. the tested part oxygen discharge valve; 2. the oxygen valve of the tested part; 3. a first oxygen absorption hose; 4. a first red copper pipe; 5. a second oxygen absorption hose; 6. an oxygen inhalation and discharge mask; 7. a first oxygen discharge hose; 8. a red copper pipe II; 9. a second oxygen discharge hose; 10. a red copper pipe III; 11. the pressure gauge is connected with the hose; 12. a capsule pressure gauge.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, in which the shapes, structures, mutual positions and connection relationships of the respective members, the functions of the respective portions, the operation principles, and the like of the respective members are described.
As shown in fig. 1, the pressure-bearing type respiratory resistance testing device comprises a first oxygen suction hose 3, a second oxygen suction hose 5, a first copper tube 4, a second copper tube 8, a third copper tube 10 and an oxygen suction and exhaust mask 6, wherein one end of the first oxygen suction hose 3 is connected with the first copper tube 4, the other end of the first oxygen suction hose is connected with a tested part oxygen suction valve 2, two ends of the second oxygen suction hose 5 are respectively connected with the first copper tube 4 and the oxygen suction and exhaust mask 6, the oxygen suction and exhaust mask 6 is connected with the second copper tube 8 through the first oxygen discharge hose 7, two ends of the second oxygen discharge hose 9 are respectively connected with the second copper tube 8 and the tested part oxygen discharge valve 1, two ends of the third copper tube 10 are respectively connected with the first copper tube 4 and the second copper tube 8, the tested part oxygen suction valve 2 is connected with an oxygen supply port outside a cabin, the tested part oxygen discharge valve 1 is connected with an oxygen discharge port outside the cabin, and the third copper tube 10 is connected with a pressure gauge 12 through a pressure gauge connecting hose 11.
During testing, oxygen is conveyed from an oxygen valve 2 of a tested part to an oxygen absorption and exhaust mask 6 through an oxygen absorption hose I3, a copper tube I4 and an oxygen absorption hose II 5, a tested person wears the oxygen absorption and exhaust mask 6 to perform breath testing, exhaled gas and residual oxygen are discharged out of a cabin from the oxygen absorption and exhaust mask 1 of the tested part through an oxygen exhaust hose I7, a copper tube II 8 and an oxygen exhaust hose II 9, and gas in the copper tube I4 and the copper tube II 8 is mixed in a copper tube III 10 and is conveyed to a capsule pressure gauge 12 through a pressure gauge connecting hose 11 to measure low micro pressure.
When in test, a tester enters a deck decompression chamber/pressurization chamber, the tester outside the chamber pressurizes the chamber until the pressure in the chamber is 0.05-0.18 MPa, the tester outside the chamber supplies medical oxygen to an oxygen valve 2 of a tested part through an oxygen supply port outside the chamber, the tester inside the chamber wears an oxygen suction and exhaust mask 6, the breathing frequency is adjusted to be (18 +/-2) times/min, and the air suction resistance and the air expiration resistance can be read through a capsule pressure gauge 12.
The capsule pressure gauge 12 is a micro-pressure gauge, and the capsule pressure gauge 12 adopts a capsule as a sensitive element for measuring micro-pressure and is suitable for measuring micro-pressure and negative pressure. The range of the bellows pressure gauge 12 selected according to the pressure range to be measured is positive and negative pressure (-800 to + 800) Pa. The sensitivity of the measured data is high, and the method is safe and reliable.
The testing device can bear external pressure, the breathing resistance testing device can test the inspiration resistance and the expiration resistance of the built-in breathing device under the cabin pressure of 0.05-0.18 MPa, and meanwhile, the device is convenient to disassemble and assemble, and the testing efficiency is improved.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (2)
1. The utility model provides a but pressure-bearing formula respiratory resistance testing arrangement which characterized in that: the oxygen absorption device comprises a first oxygen absorption hose, a second oxygen absorption hose, a first copper tube, a second copper tube, a third copper tube and an oxygen absorption and exhaust mask, wherein one end of the first oxygen absorption hose is connected with the first copper tube, the other end of the first oxygen absorption hose is connected with an oxygen valve of a tested part, two ends of the second oxygen absorption hose are respectively connected with the first copper tube and the oxygen absorption and exhaust mask, the oxygen absorption and exhaust mask is connected with the second copper tube through the first oxygen absorption hose, two ends of the second oxygen absorption hose are respectively connected with the second copper tube and the oxygen valve of the tested part, two ends of the third copper tube are respectively connected with the first copper tube and the second copper tube, the oxygen valve of the tested part is connected with an oxygen supply port outside a cabin, and the oxygen valve of the tested part is connected with an oxygen discharge port outside the cabin.
2. A pressure-bearable respiratory resistance test apparatus according to claim 1, wherein: the copper tube tee joint pressure gauge connecting hose is connected with the capsule pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222782996.9U CN218600880U (en) | 2022-10-21 | 2022-10-21 | Pressure-bearing type breathing resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222782996.9U CN218600880U (en) | 2022-10-21 | 2022-10-21 | Pressure-bearing type breathing resistance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218600880U true CN218600880U (en) | 2023-03-10 |
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ID=85401982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222782996.9U Active CN218600880U (en) | 2022-10-21 | 2022-10-21 | Pressure-bearing type breathing resistance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218600880U (en) |
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2022
- 2022-10-21 CN CN202222782996.9U patent/CN218600880U/en active Active
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