飞机液压含气量检测系统特性

doi:10.3785/j.issn.1008-973X.2019.01.017

浙江大学学报(工学版)

2019, Vol. 53

Issue (1): 158-165 DOI: 10.3785/j.issn.1008-973X.2019.01.017

机械工程

飞机液压含气量检测系统特性

黄梓亮¹, 欧阳小平¹, 赵天菲¹, 张建波², 周亮², 杨华勇¹

1. 浙江大学流体动力与机电系统国家重点实验室, 浙江杭州 310027;
2. 上海飞机设计研究院, 上海 201210

Characteristic of air content detection system for aircraft hydraulics

HUANG Zi-liang¹, OUYANG Xiao-ping¹, ZHAO Tian-fei¹, ZHANG Jian-bo², ZHOU Liang², YANG Hua-yong¹

1. State Key Laboratory of Fluid Power and Mechatronic System, Zhejiang University, Hangzhou 310027, China;
2. Shanghai Aircraft Design and Research Institute, Shanghai 201210, China

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摘要：

为了监控飞机液压系统的工作状况与液压油的性能，设计飞机液压含气量检测系统，介绍检测原理和组成. 利用误差传播法，逐一分析影响测量精度的关键因素，得到系统的综合测量误差，满足设计要求；为了模拟含气量检测系统的工作条件，搭建测试试验台，通过Hypermesh仿真分析试验台结构的可靠性. 通过密闭性能试验与气体状态试验，验证系统理论设计的正确性. 重复性试验的数据表明，含气量检测系统的原理正确性、测试精度与理论分析相符，满足要求. 通过温度实验，探究温度对航空液压油含气量的影响. 完成应用在C919型号铁鸟台的飞机液压系统的试验，样机成功通过上海飞机设计研究院的验收.

Abstract:

An air content detection system for aircraft hydraulics was designed in order to monitor the working condition of aircraft hydraulic system and the performance of hydraulic oil. The detecting principle and composition were introduced. The main factors that affected the measurement accuracy were analyzed respectively according to the error transfer theory in order to calculate its comprehensive errors, which met the design requirements. The test bench was constructed in order to simulate the working conditions of air content detection system. The structural reliability of the test bench was analyzed by Hypermesh. Impermeability test and air state test were conducted to verify the correctness of the theoretical design of the system. The data of the repeatability test of air content showed that the principle of air content detection system was correct, and the test accuracy accorded with the theoretical analysis. The system fulfilled the requirements. The temperature tests were conducted to analyze the impact of temperature on the air content in aircraft hydraulic oil. The prototype has successfully obtained acceptance of Shanghai Aircraft Design and Research Institute through the application test at iron bird station of C919.

收稿日期: 2017-12-26 出版日期: 2019-01-07

CLC:

TH137

基金资助:

国家自然科学基金资助项目（51675473）；高校基本科研专项资金资助项目（2018XZZX001-04）；国家创新群体资助项目（51521064）

通讯作者: 欧阳小平,男,教授.orcid.org/0000-0002-2090-7123. E-mail: ouyangxp@zju.edu.cn

作者简介: 黄梓亮(1993-),男,硕士生,从事智能机电装备一体化研究.orcid.org/0000-0003-3161-6687.E-mail:ccp001@163.com

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引用本文:

黄梓亮, 欧阳小平, 赵天菲, 张建波, 周亮, 杨华勇. 飞机液压含气量检测系统特性[J]. 浙江大学学报(工学版), 2019, 53(1): 158-165.

HUANG Zi-liang, OUYANG Xiao-ping, ZHAO Tian-fei, ZHANG Jian-bo, ZHOU Liang, YANG Hua-yong. Characteristic of air content detection system for aircraft hydraulics. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 2019, 53(1): 158-165.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2019.01.017 或 http://www.zjujournals.com/eng/CN/Y2019/V53/I1/158

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