旋叶式压缩机多体碰摩响应与试验

doi:10.3901/JME.2024.16.429

机械工程学报 ›› 2024, Vol. 60 ›› Issue (16): 429-440.doi: 10.3901/JME.2024.16.429

• 交叉与前沿 • 上一篇

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旋叶式压缩机多体碰摩响应与试验

何泽银^1,2, 向银^1,2, 陶平安², 曹昱坤²

1. 重庆交通大学机电与车辆工程学院重庆 400074;
2. 重庆建设汽车系统股份有限公司汽车热管理系统研究院重庆 400052

收稿日期:2023-09-07 修回日期:2024-05-09 出版日期:2024-08-20 发布日期:2024-10-21
作者简介:何泽银(通信作者),男,1985年出生,博士,教授。主要研究方向为低碳压缩机设计及热泵技术。E-mail:hezeyin@cqjtu.edu.cn
向银,男,1996年出生,硕士,助理工程师。主要研究方向为汽车空调压缩机技术。E-mail:15696302132@163.com
基金资助:
重庆市研究生联合培养基地建设(JDLHPYJD2022003)、重庆市技术创新与应用发展专项(cstc2019jscx-msxmX0038)和重庆市九龙坡区科技计划(2020-02-001-Z)资助项目。

Multi Body Rub-impact Response and Experiment of Rotary Vane Compressor

HE Zeyin^1,2, XIANG Yin^1,2, TAO Pingan², CAO Yukun²

1. School of Mechatronics and Vehicle Engineering, Chongqing Jiaotong University, Chongqing 400074;
2. Automotive Thermal Management System Research Institute, Chongqing Construction Automobile System Co., Ltd., Chongqing 400052

Received:2023-09-07 Revised:2024-05-09 Online:2024-08-20 Published:2024-10-21

摘要/Abstract

摘要： 针对旋叶式压缩机启动阶段碰摩激励引起的异常振动问题，考虑转子、叶片和缸体的动态接触关系，以多刚体接触力与气体力为激励源，建立转子-叶片-缸体系统多体接触动力学模型，分析压缩机启动阶段碰摩动力学响应；而后，搭建压缩机振动测试试验台，验证启动阶段整机振动响应计算模型合理性。结果表明，整机碰摩振动试验与计算模型振动响应变化规律基本一致，验证了启动阶段整机振动响应计算模型的合理性；吸、排气压力差较小时，叶片与缸体、叶片槽发生了反复碰撞，整机振动出现明显锯齿波动；随着吸、排气压力差增大，叶片与缸体最终将保持稳定接触，转子及整机振动将趋于稳定；可设计油路机构缩短油路长度，以获得更快的背压响应，从而减小压缩机启动阶段振动时长；研究结果可为旋叶式压缩机碰摩振动控制提供参考。

关键词: 旋叶式压缩机, 碰摩振动, 多体动力学, 振动试验

Abstract: Aiming at the abnormal vibration caused by rub-impact excitation in the start-up stage of rotary vane compressor, considering the dynamic contact relationship between rotor, vanes and cylinder, the multi-body contact force and pneumatic force were used as excitation sources to establish the multi-body contact dynamic model of rotor-vanes-cylinder system, and the dynamic response of rub-impact was analyzed in the start-up stage. Then, the compressor vibration test bench was set up to verify the rationality of the vibration response calculation model of the whole machine in the start-up stage. The results show that the variation rules of the vibration response of the experiment and the calculation model are basically consistent, which verifies the rationality of the calculation model of the vibration response of the whole machine in the start-up stage. When the pressure difference between suction and exhaust is small, the vanes collide with cylinder and vane groove repeatedly, and the vibration of the whole machine appears obvious sawtooth fluctuation. With the increase of suction and exhaust pressure difference, vanes and cylinder will maintain stable contact, rotor and compressor vibration will tend to be stable. The oil circuit mechanism can be designed to shorten the length of the oil circuit to obtain faster back pressure response, so as to reduce the vibration time in the start-up stage of the compressor. The research results can provide reference for friction impact vibration control of rotary vane compressor.

Key words: rotary vane compressor, rub-impact vibration, multi body dynamics, vibration experiment

中图分类号:

TH455

何泽银, 向银, 陶平安, 曹昱坤. 旋叶式压缩机多体碰摩响应与试验[J]. 机械工程学报, 2024, 60(16): 429-440.

HE Zeyin, XIANG Yin, TAO Pingan, CAO Yukun. Multi Body Rub-impact Response and Experiment of Rotary Vane Compressor[J]. Journal of Mechanical Engineering, 2024, 60(16): 429-440.

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旋叶式压缩机多体碰摩响应与试验

Multi Body Rub-impact Response and Experiment of Rotary Vane Compressor

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