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CN-224231250-U - Pressure-reducing air bottle test platform for high-altitude quick start of turbojet engine

CN224231250UCN 224231250 UCN224231250 UCN 224231250UCN-224231250-U

Abstract

The utility model belongs to the technical field of air bottle detection and discloses a pressure-reducing air bottle test platform for quick high-altitude starting of a turbojet engine, which comprises a substrate, wherein a fixing module for installing an air bottle to be tested is arranged on the substrate, and the fixing module is communicated with an inner cavity of the air bottle; the base plate is provided with an air inlet module, a transfer module and a measuring module, the air inlet module controls an external air source and a fixed module air inlet, the transfer module is communicated with the fixed module and an air bottle, the measuring module is communicated with the fixed module, the air bottle comprises a bottle body which is detachably arranged on the fixed module, a pressure reducing module which is isolated from the bottle body is arranged on the bottle body, and the pressure reducing module is communicated with the transfer module. The utility model has high integration degree, convenient use, convenient maintenance and upgrade, can realize flexible adjustment of the decompression performance of the decompression module, reduce the debugging cost, improve the testing accuracy and meet the starting requirements of different turbojet engines.

Inventors

  • WANG DONG
  • WANG LIN
  • Huo Xianglong

Assignees

  • 保定市玄云涡喷动力设备研发有限公司

Dates

Publication Date
20260512
Application Date
20250529

Claims (10)

  1. 1. The pressure-reducing air bottle test platform for the high-altitude quick start of the turbojet engine is characterized by comprising a base plate (1), wherein a fixing module for installing an air bottle (2) to be tested is arranged on the base plate (1), and the fixing module is communicated with an inner cavity of the air bottle (2); An air inlet module, a transfer module and a measuring module are arranged on the base plate (1), the air inlet module controls an external air source and an air inlet of the fixed module, the transfer module is communicated with the fixed module and the air bottle (2), and the measuring module is communicated with the fixed module; The air bottle (2) comprises a bottle body (3) which is detachably arranged on the fixed module, a pressure reducing module (4) which is arranged on the bottle body (3) in an isolated mode with the bottle body (3) is arranged on the bottle body (3), and the pressure reducing module (4) is communicated with the transit module.
  2. 2. The turbojet engine high-altitude quick-start decompression air bottle test platform according to claim 1, wherein a connecting channel (5) used for communicating the bottle body (3) is arranged in the decompression module (4), and an isolation plug (6) is connected in the connecting channel (5) in a sealing manner to isolate the bottle body (3) from the inner cavity of the decompression module (4).
  3. 3. The turbojet engine high-altitude quick-start decompression air bottle test platform according to claim 2, wherein an air inlet plug (7) is mounted on the decompression module (4) in a threaded mode, the air inlet plug (7) is communicated with a decompression cavity of the decompression module (4), and the air inlet plug (7) is communicated with the transit module.
  4. 4. The turbojet engine high-altitude quick-starting decompression air bottle testing platform according to claim 3 is characterized in that the fixing module comprises a fixing seat (8), the fixing seat (8) is respectively communicated with the air inlet module and the transit module, an air charging head (9) communicated with the fixing seat (8) is arranged on the fixing seat (8), an air inlet at the bottom end of the bottle body (3) is clamped on the air charging head (9) in a sealing mode, and the air charging head (9) is communicated with an inner cavity of the bottle body (3).
  5. 5. The turbojet engine high-altitude quick-start decompression air bottle test platform according to claim 4, wherein a clamping groove (10) is formed in the bottom end of the bottle body (3), and the inflating head (9) is matched with the clamping groove (10) and clamped in the clamping groove (10).
  6. 6. The turbojet engine high-altitude quick-start decompression air bottle test platform according to claim 4, wherein the air inlet module comprises an air inlet electromagnetic valve (11) fixedly installed on the base plate (1), an inlet of the air inlet electromagnetic valve (11) is communicated with an external air source through an air inlet pipe, and an outlet of the air inlet electromagnetic valve (11) is communicated with the fixed seat (8) through a first connecting pipe (12).
  7. 7. The turbojet engine high-altitude quick-start decompression air bottle test platform according to claim 6, wherein the transfer module comprises a start electromagnetic valve (13) fixedly installed on the base plate (1), an air inlet of the start electromagnetic valve (13) is communicated with the fixed seat (8) through a second connecting pipe (14), and an outlet of the start electromagnetic valve (13) is communicated with the air inlet plug (7) through a third connecting pipe (15).
  8. 8. The turbojet engine high-altitude quick-start decompression air bottle test platform according to claim 7, wherein the measurement module comprises a pressure sensor (16) fixedly mounted on the base plate (1), and a measurement point of the pressure sensor (16) is communicated with the fixed seat (8) through a measurement pipe (17).
  9. 9. The turbojet engine high-altitude quick-start decompression air bottle test platform according to claim 8 is characterized in that an air distribution cavity (19) is arranged in the fixed seat (8), and the measuring tube (17), the first connecting tube (12), the second connecting tube (14) and the measuring tube (17) are respectively communicated with the air distribution cavity (19).
  10. 10. The turbojet engine high-altitude quick-start decompression air bottle test platform according to claim 5, wherein a one-way air inlet valve (20) which is opened in a one-way into the bottle body (3) is arranged in the clamping groove (10), and the one-way air inlet valve (20) is opened after the air charging head (9) is inserted into the clamping groove (10).

Description

Pressure-reducing air bottle test platform for high-altitude quick start of turbojet engine Technical Field The utility model relates to the technical field of air bottle detection, in particular to a pressure-reducing air bottle test platform for quick high-altitude starting of a turbojet engine. Background The pressure reducing air bottle for the high-altitude quick start of the turbojet engine is an important component of the turbojet engine and is mainly used for providing compressed air for the high-altitude start of the turbojet engine, the pressure of the compressed air stored in the existing air bottle is high, the compressed air can be used after being reduced, but the existing compressed air is required to be reduced by an independent pressure reducing valve, the adjustment flexibility is insufficient, the load of the turbojet engine is increased, and the performance is reduced. The air bottle integrated with the decompression function is designed by the company, the decompression module of the air bottle can preset the air pressure after decompression, and the air pressure needs to be regulated according to the actual use requirement, so that the use requirements of different turbojet engines are met; meanwhile, the initiating explosive device is adopted as the starting piece of the decompression air bottle, the explosive explosion of the initiating explosive device pushes the ejector pin to damage the sealing piece of the air bottle outlet, so that high-pressure air in the air bottle enters the decompression module, the initiating explosive device and the sealing piece are disposable, the cost is high, the air bottle is debugged repeatedly, and the debugging cost is further increased. Therefore, the application designs a decompression air bottle test platform for quick high-altitude starting of a turbojet engine to solve the technical problems. Disclosure of utility model The utility model aims to provide a decompression air bottle test platform for quick high-altitude starting of a turbojet engine, which aims to solve the problems in the prior art. The utility model provides a pressure-reducing air bottle test platform for quick high-altitude starting of a turbojet engine, which comprises a base plate, wherein a fixing module for installing an air bottle to be tested is arranged on the base plate, and the fixing module is communicated with an inner cavity of the air bottle; The substrate is provided with an air inlet module, a transfer module and a measuring module, the air inlet module controls an external air source and an air inlet of the fixed module, the transfer module is communicated with the fixed module and the air bottle, and the measuring module is communicated with the fixed module; The air bottle comprises a bottle body which is detachably arranged on the fixed module, a pressure reducing module which is isolated from the bottle body is arranged on the bottle body, and the pressure reducing module is communicated with the transit module. Preferably, a connecting channel used for communicating the bottle body is arranged in the pressure reducing module, and a separation plug is connected in the connecting channel in a sealing way to separate the bottle body from the inner cavity of the pressure reducing module. Preferably, an air inlet plug is mounted on the pressure reducing module in a threaded manner, the air inlet plug is communicated with the pressure reducing cavity of the pressure reducing module, and the air inlet plug is communicated with the transfer module. Preferably, the fixing module comprises a fixing seat, the fixing seat is respectively communicated with the air inlet module and the transfer module, an air charging head communicated with the fixing seat is arranged on the fixing seat, an air inlet at the bottom end of the bottle body is clamped on the air charging head in a sealing way, and the air charging head is communicated with the inner cavity of the bottle body. Preferably, the bottom end of the bottle body is provided with a clamping groove, and the inflation head is matched with the clamping groove and is clamped in the clamping groove. Preferably, the air inlet module comprises an air inlet electromagnetic valve fixedly installed on the base plate, an inlet of the air inlet electromagnetic valve is communicated with an external air source through an air inlet pipe, and an outlet of the air inlet electromagnetic valve is communicated with the fixing seat through a first connecting pipe. Preferably, the transfer module comprises a starting electromagnetic valve fixedly installed on the substrate, an air inlet of the starting electromagnetic valve is communicated with the fixing seat through a second connecting pipe, and an outlet of the starting electromagnetic valve is communicated with the air inlet plug through a third connecting pipe. Preferably, the measuring module comprises a pressure sensor fixedly mounted on the substrate, and a measuring point of t