CN204359541U - A kind of pressure simulation test unit - Google Patents
A kind of pressure simulation test unit Download PDFInfo
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- CN204359541U CN204359541U CN201420726128.1U CN201420726128U CN204359541U CN 204359541 U CN204359541 U CN 204359541U CN 201420726128 U CN201420726128 U CN 201420726128U CN 204359541 U CN204359541 U CN 204359541U
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Abstract
The utility model proposes a kind of pressure simulation test unit, comprise experimental cabin, pond is provided with in experimental cabin, experimental cabin is provided with air intake opening and exhausr port, air intake opening is connected with gas pressurized device by pipeline, exhausr port is communicated with air by valve, gas pressurized device pressurizes to experimental cabin and reduces pressure, the height of water level of water feeding and draining device balancing tank, apparatus of oxygen supply inputs oxygen to experimental cabin, and test board carries out performance test to product in cabin by being arranged at test interface on experimental cabin and monitoring human body physiological parameter and test.The utility model can simulate 20 ~ 30m depth of water environment, meets rebreather physical property test research and relevant physiological experimental study, meanwhile, possesses the function that hyperbaric oxygen chamber prevents decompression sickness.
Description
Technical field
The utility model relates to a kind of pressure simulation test unit, especially can carry out the system of submerged performance detection to lifesaving appliances such as rebreather.
Background technology
Rebreather can provide 1 ~ 3min underwater emergency oxygen supply life saving when aircraft ditching emergency evacuation, and after aircraft surprisingly falls over into water, pilot often to dive beneath the water the darker degree of depth with aircraft.Due to the difference of underwater penetration, the reflection of human body underwater physiology is also different, how to make the gas supply flow of rebreather, supply gas pressure adapt to the psychological need of human body, what to be rebreather developed from other oxygen supply equipment is maximum different, is also one of technical characteristics of rebreather.In product development process, according to technical requirement, the environmental baseline of a depth of water 30 meters need be had, can ensure that to examine rebreather true man wear this device from the water surface to the depth of water 30 meters, rise to the security of the water surface again, whether meet the technical requirement that emergency survival is breathed in pilot's oxygen supply under water.Owing to building one 30 meters of dark ponds, not only construction cost is very high, and implementation is not strong, and considers personal security security problem in process of the test, need the pressure chamber manufacturing and designing a band pond, in order to simulate the underwater operation performance test of 30 meters of depth of water environment for rebreather.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned Problems existing, provides a kind of pressure simulation test unit, can simulate the underwater operation performance test of 30 meters of depth of water environment for rebreather.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of pressure simulation test unit, it is characterized in that, comprise experimental cabin, pond is provided with in described experimental cabin, experimental cabin is provided with air intake opening and exhausr port, described air intake opening is connected with gas pressurized device by pipeline, and described exhausr port is communicated with air by valve.
By such scheme, described supercharging device comprises air compressor machine and gas-holder, and described air compressor machine is connected by the import of pipeline with described gas-holder, and the outlet of gas-holder is connected with described experimental cabin by pipeline.
By such scheme, described supercharging device also comprises electric control valve, and described electric control valve is installed respectively in the inlet ductwork and export pipeline of described experimental cabin, and the input end of electric control valve is connected with the output terminal of PLC.
By such scheme, in described experimental cabin, be provided with manual emergency pressure relief device.
By such scheme, be provided with releasing pressure automatically safety valve in described experimental cabin, the input end of described releasing pressure automatically safety valve is connected with the output terminal of described PLC.
By such scheme, also comprise apparatus of oxygen supply, described apparatus of oxygen supply is connected with described experimental cabin by pipeline.
The beneficial effects of the utility model are: this test unit can simulate 20 ~ 30 meters of depth of water environment, meet rebreather physical property test research and relevant physiological experimental study, for Project R&D provides test supportability, meanwhile, the function that hyperbaric oxygen chamber prevents decompression sickness is possessed.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model embodiment.
Fig. 2 is the structural representation of the utility model embodiment.
Wherein: 1. releasing pressure automatically safety valve, 2. manual emergency pressure relief device, 3. cabin, 4. hatch door, 5. experimental cabin, 6. apparatus of oxygen supply, 7. test interface, 8. pond is prepared.
Embodiment
For understanding the utility model better, below in conjunction with drawings and Examples, the utility model will be further described.
As shown in Figure 1-2, a kind of pressure simulation test unit, comprise and prepare cabin 3, experimental cabin 5, hatch door 4, gas pressurized device and oxygen system 6, experimental cabin is provided with test interface 7, test interface is connected with test board, test board carries out performance test respectively by product in test interface 7 pairs of cabins and monitors human body physiological parameter and test, human body physiological parameter comprises blood pressure, heart rate, blood oxygen saturation etc., prepare cabin 3 and be provided with hatch door 4 with the junction of experimental cabin 5, closing chamber behind the door experimental cabin is sealing state, pond 8 is provided with in experimental cabin, when personnel not intake pool time, supercharging in cabin can prepared separately, decompression is tested, the process carrying out related work with experimental cabin uniform pressure can be boosted at any time, prepare cabin and experimental cabin are equipped with air intake opening and exhausr port, air intake opening is connected with gas pressurized device by pipeline, exhausr port is communicated with air by valve, apparatus of oxygen supply 6 is connected with experimental cabin with preparation cabin by pipeline, supply and drain water system is connected with pond 8 controlling water level.
Gas pressurized device comprises air compressor machine and gas-holder, air compressor machine is connected with the import of gas-holder by pipeline, the outlet of gas-holder is connected with experimental cabin 5 with preparation cabin 3 by pipeline, the keying of air compressor machine is controlled by PLC, the inlet ductwork and export pipeline of gas-holder install electric control valve, electric control valve is connected with the output terminal of PLC by circuit, and the buck speed in control cabinet remains in certain scope; Apparatus of oxygen supply 6 to delivering oxygen in cabin, can to personnel carry out hyperbaric oxygen chamber therapy when personnel feel under the weather by pipeline.
Power distribution cabinet is connected by circuit with test board with PLC respectively, for Inspect and control provides electric power support, prepare all to arrange releasing pressure automatically safety valve 1 and manual emergency pressure relief device 2 in cabin 3 and experimental cabin 4, the input end of releasing pressure automatically safety valve 1 is connected with the output terminal of PLC, pressure transducer and oxygen concentration sensor is provided with in experimental cabin, when pressure and oxygen concentration exceed setting safety value, sensor sends signal to PLC, PLC opens releasing pressure automatically by controlling releasing pressure automatically safety valve, control air compressor machine and apparatus of oxygen supply closedown simultaneously, ensure the normal work of test, when there is power failure, manually emergency decompression device 2 carries out artificial pressure release, thus personnel can not because of power failure in guarantee experimental cabin, the personal safety accident occurred.
Basin bottom is connected with water feeding and draining device, is connected, is installed on level sensor in pond by pipeline with pond 8, level sensor is connected with the input end of PLC, when arriving predetermined water level, level sensor sends signal to PLC, and PLC controls water feeding and draining device and stops supplying water.
Whole pressure simulation process of the test is as described below:
1) test prepares: control desk controls water feeding and draining device and supplies water to pond 8, and the clean clear water provided by water source, enters pond by pipeline, and when reaching the setting depth of water, PLC controls drainage arrangement and stops supplying water; Laboratory technician dresses relevant test products, enters experimental cabin 5, connects test sensor and testing tool, enter pond;
2) test is started: gaseous tension device inputs gas boosting to experimental cabin, pressure is 0.2MPa (adjustable), remain in the scope of 9m/min by the rate of pressure rise in the electric control valve Control experiment cabin in inlet ductwork, after in cabin, pressure arrives and stablizes, start to test product, physiology monitor is carried out to testing crew simultaneously, then by the decompression rate in the electric control valve Control experiment cabin on export pipeline, pressure in experimental cabin is reduced to 0MPa (gauge pressure), the test of product and the physiology test monitoring of testing crew is completed in decompression process, after laboratory technician's water outlet, apparatus of oxygen supply provides the oxygen of certain flow, testing crew is respiratory oxygen on demand, off-test.
Claims (6)
1. a pressure simulation test unit, is characterized in that, comprises experimental cabin, pond is provided with in described experimental cabin, experimental cabin is provided with air intake opening and exhausr port, and described air intake opening is connected with gas pressurized device by pipeline, and described exhausr port is communicated with air by valve.
2. a kind of pressure simulation test unit according to claim 1, it is characterized in that, described supercharging device comprises air compressor machine and gas-holder, and described air compressor machine is connected by the import of pipeline with described gas-holder, and the outlet of gas-holder is connected with described experimental cabin by pipeline.
3. a kind of pressure simulation test unit according to claim 2, it is characterized in that, described supercharging device also comprises electric control valve, described electric control valve is installed respectively in the inlet ductwork and export pipeline of described experimental cabin, and the input end of electric control valve is connected with the output terminal of PLC.
4. a kind of pressure simulation test unit according to claim 1, is characterized in that, be provided with manual emergency pressure relief device in described experimental cabin.
5. a kind of pressure simulation test unit according to claim 3, is characterized in that, be provided with releasing pressure automatically safety valve in described experimental cabin, and the input end of described releasing pressure automatically safety valve is connected with the output terminal of described PLC.
6. a kind of pressure simulation test unit according to claim 1, it is characterized in that, also comprise apparatus of oxygen supply, described apparatus of oxygen supply is connected with described experimental cabin by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726128.1U CN204359541U (en) | 2014-11-27 | 2014-11-27 | A kind of pressure simulation test unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726128.1U CN204359541U (en) | 2014-11-27 | 2014-11-27 | A kind of pressure simulation test unit |
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| CN204359541U true CN204359541U (en) | 2015-05-27 |
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| CN201420726128.1U Expired - Fee Related CN204359541U (en) | 2014-11-27 | 2014-11-27 | A kind of pressure simulation test unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568480A (en) * | 2014-11-27 | 2015-04-29 | 航宇救生装备有限公司 | Pressure simulating and testing device |
| CN109192033A (en) * | 2018-10-12 | 2019-01-11 | 中国人民解放军海军军医大学海军医学研究所 | A kind of human decompression's disease simulation model and its construction method |
| CN113758808A (en) * | 2021-09-28 | 2021-12-07 | 福建省水产研究所（福建水产病害防治中心） | Buoy observation device for simulating water pressure environment |
| CN114130433A (en) * | 2021-11-30 | 2022-03-04 | 上海打捞局芜湖潜水装备厂有限公司 | Modularized animal experiment cabin |
-
2014
- 2014-11-27 CN CN201420726128.1U patent/CN204359541U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568480A (en) * | 2014-11-27 | 2015-04-29 | 航宇救生装备有限公司 | Pressure simulating and testing device |
| CN109192033A (en) * | 2018-10-12 | 2019-01-11 | 中国人民解放军海军军医大学海军医学研究所 | A kind of human decompression's disease simulation model and its construction method |
| CN109192033B (en) * | 2018-10-12 | 2021-10-22 | 中国人民解放军海军军医大学海军医学研究所 | Human body decompression sickness simulation model and construction method thereof |
| CN113758808A (en) * | 2021-09-28 | 2021-12-07 | 福建省水产研究所（福建水产病害防治中心） | Buoy observation device for simulating water pressure environment |
| CN114130433A (en) * | 2021-11-30 | 2022-03-04 | 上海打捞局芜湖潜水装备厂有限公司 | Modularized animal experiment cabin |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20161127 |