混合动力轿车热泵系统NVH控制技术研究

doi:10.19562/j.chinasae.qcgc.2024.02.016

Abstract

Abstract:

The vibration and noise performance of the heat pump system plays an important role in the NVH evaluation of new energy vehicles. Based on the structure and working characteristics of the heat pump system and the principles of vehicle vibration and noise control， a research on the NVH control methods of the heat pump system is carried out in this paper from the vibration and noise excitation source， structural mode distribution， transfer path， evaluation conditions and other dimensions. Through the analysis and solution of NVH problems in the product development of a domestic hybrid electric car， the results indicate that the NVH control of heat pump system is a system engineering， and the compressor， air conditioning pipeline， HVAC shell， acoustic package and compressor control strategy are key factors of NVH， which provides a clear technical reference for the NVH performance control of new energy vehicle heat pump systems.

Key words: HEV, heat pump system, NVH control technology, evaluation method

Tonghang Zhao,Junguang Wang,Shudong Tian,Xiangzhen Chen. Research on NVH Control Technology of Heat Pump System in Hybrid Electric Vehicles[J].Automotive Engineering, 2024, 46(2): 337-345.

Figures/Tables 23

References 20

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空调挡位	怠速EV模式	怠速HEV模式
1挡	≤a₁	≤b₁
2挡	≤a₂	≤b₂
3挡	≤a₃	≤b₃
…	…	…
7挡	≤a₇（环境温度①） ≤a₈（环境温度②） ≤a₉（环境温度③）	≤b₇

Research on NVH Control Technology of Heat Pump System in Hybrid Electric Vehicles

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