CN201408122Y - Airtight cabin pressure regulator product testing device - Google Patents
Airtight cabin pressure regulator product testing device Download PDFInfo
- Publication number
- CN201408122Y CN201408122Y CN2009200847510U CN200920084751U CN201408122Y CN 201408122 Y CN201408122 Y CN 201408122Y CN 2009200847510 U CN2009200847510 U CN 2009200847510U CN 200920084751 U CN200920084751 U CN 200920084751U CN 201408122 Y CN201408122 Y CN 201408122Y
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- cabin
- air
- valve
- pressure
- vacuum pump
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Abstract
Disclosed is an airtight cabin pressure regulator product testing device, wherein the upper portion of a high altitude analogy cabin is provided with an airtight cabin, the airtight cabin is connectedwith an air supply pipe through a flowmeter and an air supply valve, the high altitude analogy cabin is connected with a vacuum pump of an exhaust system, an air supply valve is arranged between thehigh altitude analogy cabin and the vacuum pump, a pressure sensor is mounted on the high altitude analogy cabin, and the pressure sensor and the flowmeter are mounted on the airtight cabin. The airtight cabin pressure regulator product measuring device further comprises a computer which collects and processes pressure of a pressure sensor and signals of the flowmeter, and an output control circuit which receives control signals output by the computer and adjusts the air volume of the air supply valve, the vacuum pump and the air compensating valve. The airtight cabin pressure regulator product testing device leads the airtight cabin to be reduced according to a certain proposition, simultaneously uses a valve to regulate the air supply system and high altitude environment, uses the computer system to control the switch size of the control valve, and records regulating curved lines of products, thereby judging whether airtight cabin pressure regulator products are qualified or not, simultaneously saving energy sources, and improving working efficiency.
Description
Technical field
The utility model relates to the device of a kind of air-tight cabin pressure governor product test, especially based on the proving installation of the small hermetic cabin pressure governor product of Computer Simulation.
Background technology
A lot of altitude plants are the physiological requirement of satisfying the people, need the configuration air-tight cabin; Simultaneously air-tight cabin being carried out pressure dynamically controls.The pressure control of air-tight cabin is to be undertaken by various pressure governor products between air supply system and exhaust system at present.Various pressure governor products all need to test on ground-testing plant, its ground-testing plant general supply gas pressure and traffic requirement according to whole flying height, the cabin of configuration and high-altitude air-tight cabin equal volume, by the given air supply system of pressurized air, and with the height change of several large-scale vacuum equipment simulatings flight, finally draw the performance parameter of pressure governor product.
Summary of the invention
Goal of the invention of the present utility model provides a kind of air-tight cabin pressure governor product tester, and the testing equipment of this device for dwindling diminishes thereby test is consumed, and also just saved the energy, and increased work efficiency.
The technical scheme that its technical matters that solves the utility model adopts is: there is air-tight cabin the top in altitude simulation cabin, air-tight cabin is connected with air supply pipe through flowmeter, air-supplying valve, the altitude simulation cabin is connected with the vacuum pump of exhaust system, and the tonifying Qi valve is arranged between altitude simulation cabin and vacuum pump; On the altitude simulation cabin, pressure transducer is housed; Pressure transducer and flowmeter are housed on the air-tight cabin; Also comprise a collection pressure transducer pressure and flow meter signal is handled and require to realize the computing machine of the adjustment of air supply system and exhaust system according to the pressure controling parameter in altitude simulation cabin and the air-tight cabin; The output control circuit that the control signal of a receiving computer output is regulated the tolerance of air-supplying valve, vacuum pump, tonifying Qi valve.
Signal isolation circuit and A/D change-over circuit are housed between pressure transducer of the present utility model, flowmeter and the computing machine.
The said output control circuit of the utility model drives the D/A change-over circuit and the signal amplification circuit of air-supplying valve and aeration valve door switch for the control signal of receiving computer software output.
The said output control circuit of the utility model is the relay output circuit and the driving circuit of the control signal control vacuum pump start and stop of receiving computer software output.
The utility model dwindles air-tight cabin by a certain percentage, use valve to carry out the adjusting of air supply system and the adjusting of high altitude environment simultaneously, the use a computer switch size of system control valve door, and record product adjustment curve, thus judge the whether qualified of air-tight cabin pressure governor product.After adopting such experimental technique, because volume-diminished, diminish, make whole gas supply flow and extraction flow all obtain dwindling thereby test is consumed, so just can energy savings, and increase work efficiency.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a circuit block diagram of the present utility model.
Embodiment
The utility model shown in Figure 1 is by by trial product--pressure governor product 6, air-tight cabin 7, altitude simulation cabin 5, air supply pipe 1, flowmeter 3, valve 4, pressure transducer 8,9, vacuum pump 11, blowdown pipe 10, tonifying Qi valve 12 and computing machine 2 are formed, air-tight cabin has hatch door, and pressure governor product 6 is packed on the mount pad between air-tight cabin and the altitude simulation cabin.
There is air-tight cabin 7 top in altitude simulation cabin 5, and air-tight cabin 7 is connected with air supply pipe 1 through flowmeter 3, air-supplying valve 4, and altitude simulation cabin 5 is connected with the vacuum pump 11 of exhaust system, and blowdown pipe 10 and tonifying Qi valve 12 are arranged between altitude simulation cabin 5 and vacuum pump 11.Pressure transducer 8 is housed on altitude simulation cabin 5; Pressure transducer 9 is housed on the air-tight cabin 7; The pressure and the flow signal that also comprise a collection pressure transducer 8, pressure transducer 9 are handled, and realize the computing machine 2 of the adjustment of air supply system and exhaust system according to the controlled variable of the pressure in altitude simulation cabin 5 and the air-tight cabin 7.
Air-tight cabin pressure governor proving installation circuit block diagram shown in Figure 2,8,9 is pressure transducer, 3 is flowmeter, enter computing machine 2 through signal isolation circuit 13 and A/D change-over circuit 14, the control signal of computer software output drives air-supplying valve 4 and tonifying Qi valve 12 through D/A change-over circuit 16 and signal amplification circuit 15, and simultaneous computer 2 is by the start and stop of relay output circuit 18 and driving circuit 17 control vacuum pumps 11.Start power supply, open vacuum pump, the signal of computer acquisition pressure and flow, and control valve size, thereby simulation, computer recording product curve and the pressure controlled findings data of the whole flying height of realization air-tight cabin.
The utility model calculates the proportional zoom size of cabin body and true cabin body at different pressures regulator product setting range, thereby realizes miniaturization, energy savings.Based on the different cabins body of different product, should be within protection domain of the present utility model.
Claims (4)
1, a kind of air-tight cabin pressure governor product tester, it is characterized in that: there is air-tight cabin the top in altitude simulation cabin, air-tight cabin is connected with air supply pipe through flowmeter, air-supplying valve, the altitude simulation cabin is connected with the vacuum pump of exhaust system, and the tonifying Qi valve is arranged between altitude simulation cabin and vacuum pump; On the altitude simulation cabin, pressure transducer is housed; Pressure transducer and flowmeter are housed on the air-tight cabin; Also comprise a collection pressure transducer pressure and flow meter signal is handled and require to realize the computing machine of the adjustment of air supply system and exhaust system according to the pressure controling parameter in altitude simulation cabin and the air-tight cabin; The output control circuit that the control signal of a receiving computer output is regulated the tolerance of air-supplying valve, vacuum pump, tonifying Qi valve.
2, air-tight cabin pressure governor product tester according to claim 1 is characterized in that: signal isolation circuit and A/D change-over circuit are housed between pressure transducer, flowmeter and the computing machine.
3, air-tight cabin pressure governor product tester according to claim 1 is characterized in that: said output control circuit drives the D/A change-over circuit and the signal amplification circuit of air-supplying valve and aeration valve door switch for the control signal of receiving computer software output.
4, air-tight cabin pressure governor product tester according to claim 1 is characterized in that: said output control circuit is the relay output circuit and the driving circuit of the control signal control vacuum pump start and stop of receiving computer software output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200847510U CN201408122Y (en) | 2009-04-02 | 2009-04-02 | Airtight cabin pressure regulator product testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200847510U CN201408122Y (en) | 2009-04-02 | 2009-04-02 | Airtight cabin pressure regulator product testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408122Y true CN201408122Y (en) | 2010-02-17 |
Family
ID=41679059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200847510U Expired - Fee Related CN201408122Y (en) | 2009-04-02 | 2009-04-02 | Airtight cabin pressure regulator product testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408122Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252854A (en) * | 2011-04-27 | 2011-11-23 | 北京航空航天大学 | Air intake/exhaust pressure control method in high altitude simulation system |
| CN106706289A (en) * | 2016-12-15 | 2017-05-24 | 中国航空工业集团公司西安飞机设计研究所 | Automatic identification system for characteristic parameters of electronic control valve of environment control system |
| CN107065951A (en) * | 2017-04-10 | 2017-08-18 | 黄志婷 | The accurate control set for adjusting of dynamic analog vacuum system pressure and method |
| RU2650078C2 (en) * | 2016-03-09 | 2018-04-06 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Орловский государственный университет имени И.С.Тургенева" (ОГУ им. И.С.Тургенева) | Experimental installation for investigation of pump specifications |
| CN112504641A (en) * | 2020-11-09 | 2021-03-16 | 芜湖天航装备技术有限公司 | Test pipeline for performance of pressure regulator and using method thereof |
-
2009
- 2009-04-02 CN CN2009200847510U patent/CN201408122Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252854A (en) * | 2011-04-27 | 2011-11-23 | 北京航空航天大学 | Air intake/exhaust pressure control method in high altitude simulation system |
| CN102252854B (en) * | 2011-04-27 | 2013-04-24 | 北京航空航天大学 | Air intake/exhaust pressure control method in high altitude simulation system |
| RU2650078C2 (en) * | 2016-03-09 | 2018-04-06 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Орловский государственный университет имени И.С.Тургенева" (ОГУ им. И.С.Тургенева) | Experimental installation for investigation of pump specifications |
| CN106706289A (en) * | 2016-12-15 | 2017-05-24 | 中国航空工业集团公司西安飞机设计研究所 | Automatic identification system for characteristic parameters of electronic control valve of environment control system |
| CN107065951A (en) * | 2017-04-10 | 2017-08-18 | 黄志婷 | The accurate control set for adjusting of dynamic analog vacuum system pressure and method |
| CN107065951B (en) * | 2017-04-10 | 2024-02-09 | 淄博真空设备厂有限公司 | Accurate pressure regulating control device and method for dynamic simulation vacuum system |
| CN112504641A (en) * | 2020-11-09 | 2021-03-16 | 芜湖天航装备技术有限公司 | Test pipeline for performance of pressure regulator and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20110402 |