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Refrigerating machine micro-vibration physical simulation test processing system

A technology of processing system and physical simulation, applied in vibration testing, testing of machine/structural components, measuring devices, etc., can solve the problems of literature reports on micro-vibration measurement systems that have not been seen, and achieve low cost, simple and lightweight structure, and convenient use. Effect

Active Publication Date: 2013-12-25
BEIJING INST OF SPACECRAFT SYST ENG +1
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Problems solved by technology

[0004] At present, there is no literature report on this kind of micro-vibration measurement system at home and abroad.

Method used

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  • Refrigerating machine micro-vibration physical simulation test processing system

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Embodiment Construction

[0015] The micro-vibration physical simulation processing system of the refrigerator in this system includes a refrigerator system, a zigzag adapter plate 3, a hexagonal adapter plate 4, a six-component eight-sensor disturbance force test bench 5, a data acquisition and processing system 9, and a laser Non-contact testing system 10; the refrigerator system includes a compressor 1, a compressor bracket 2, an infrared probe bracket 6, an infrared probe 7, an acceleration sensor 8, a data acquisition and processing system 9; a hexagonal adapter plate 4 is fixed Connected to the six-component eight-sensor disturbance force test bench 5; the Z-shaped adapter plate 3 is fixedly connected to the hexagonal adapter plate 4; the compressor 1 is fixedly connected to the Z-shaped adapter plate 3 through the compressor bracket 2 At one end, the infrared probe bracket 6 is fixedly connected to the other end of the zigzag adapter plate 3 through the infrared probe 7; the acceleration sensor 8...

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Abstract

A refrigerating machine micro-vibration physical simulation test processing system comprises a refrigerating machine system, a Z-shaped adapter plate, a hexagonal adapter plate, a six-component eight-sensor interference vibration force test platform and a data collecting and processing system; the refrigerating machine system comprises a compressor, a compressor support, an infrared probe support and an infrared probe; the refrigerating machine micro-vibration physical simulation test processing system further comprises an accelerated speed sensor and a laser non-contact test system. A refrigerating machine assembly, the adapter plate, and the six-component eight-sensor interference vibration force test platform are connected with one another in a pressed mode through bolt. The accelerated speed sensor can distribute and sense the vibration condition of various positions according to requirements, all sensors are connected with the data collecting and processing system through conductive wires, the refrigerating machine micro-vibration physical simulation test processing system can accurately measure interference force of micro vibration sources of a refrigerating machine, and measuring reliability is high. The laser non-contact test system further can obtain interference vibration displacement of an infrared probe. The refrigerating machine micro-vibration physical simulation test processing system can measure micro vibration produced by reciprocating motion of a piston of a compressor of the refrigerating machine.

Description

technical field [0001] The invention relates to a micro-vibration physical simulation processing system of a refrigerator, which can be used in a ground experiment of the micro-vibration test of the refrigerator. The micro-vibration test is comprehensive and reliable, and is mainly used in the aerospace field. Background technique [0002] The refrigerator is the main device on the satellite, which is used to adjust the temperature change inside the satellite. Due to the manufacturing defects of the compressor in the refrigerator and the noise of the motor, the refrigerator produces a periodic and broadband micro-disturbance force on the star. These disturbance forces are modulated and amplified by their internal dynamic characteristics, and will affect the remote sensing satellite (GF -4) The optical path pointing accuracy and stability have a great influence. This effect is particularly important considering that the cryocooler is installed close to the imaging device. ...

Claims

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Application Information

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IPC IPC(8): G01M7/02G01B11/02
Inventor 李果程伟杨文涛梁元王成伦李雄飞刘凤晶赵煜王光远沈中
Owner BEIJING INST OF SPACECRAFT SYST ENG
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