电动汽车低速提示音标准与试验研究

Standardization and Experimental Research of Alerting Sound of Electric Vehicles Running at Low Speed

本文分析了电动汽车低速提示音的声学特性和技术要求,研究了相关技术法规现状,通过试验分析了中国典型环境背景噪声,确定了国内外环境噪声条件差异,提出了适合国内道路条件的电动汽车低速提示音技术要求与试验方法,并通过试验验证了其可行性。本文研究结果对于提高电动汽车低速行驶时的安全性具有积极意义。

This paper analyzes technical requirement and acoustic characteristic of alerting sound device of electric vehicles running at low speed. Related technology research and standard formulation status was introduced. Data of China’s typical environmental noise has been collected and analyzed to confirm the difference of environment conditions between China and European countries. Referring to the international regulations, the national standard of requirements and test methods have been raised. Operability of the test method was verified by vehicle testing. Research results in this article will positively promote the technical development and application of alerting sound device of electric vehicles in China.