汽车车速表误差产生原因与检测分析  

Cause and Detection Analysis of Automobile Speedometer Error

作　　者：陈国良 余培敏 沈崇泉 CHEN Guoliang;YU Peimin;SHEN Chongquan(Shanghai Motor Vehicle Testing and Certification Technology Research Center Co.,Ltd.,Shanghai 201805)

机构地区：[1]上海机动车检测认证技术研究中心有限公司,上海201805

出　　处：《现代制造技术与装备》2022年第5期162-164,共3页Modern Manufacturing Technology and Equipment

摘　　要：驾驶室内的车速表是提供行驶速度信息的重要仪器。驾驶员在驾驶过程中能否正确控制车速,是保证行车安全和提高运输效率的关键。根据汽车类型选择相应的车速表测试台,需定期检查汽车车速表。若数值误差超过合格范围,还要查明误差原因,以便更换或维修汽车车速表,确保汽车安全。The speedometer in the cab is an important instrument to provide driving speed information.Whether the driver can correctly control the speed during driving is the key to ensure driving safety and improve transportation efficiency.Select the corresponding speedometer test bench according to the vehicle type,and check the vehicle speedometer regularly.If the numerical error exceeds the qualified range,the cause of the error shall be found out in order to replace or repair the vehicle speedometer and ensure the safety of the vehicle.

关 键 词：车速表 误差 检测分析 汽车 

分 类 号：U472[机械工程—车辆工程]