The invention relates to the technical field of electric vehicles, in particular to a four-wheel electric vehicle fault diagnosis device which comprises a shell, a display screen is fixedly installed on one side of the shell, a power supply main switch is fixedly connected below the display screen, two knobs are fixedly installed below the power supply main switch, one knob is a DNR adjusting knob, and the other knob is a vehicle speed adjusting knob. The bottom of the shell is fixedly connected with two detection lines, and the tail end of each detection line is fixedly connected with a diagnosis plug. The four-wheel electric vehicle fault diagnosis device not only can diagnose faults, but also can perform emergency driving operation, and is simple to operate, reliable in performance, convenient and practical.
本发明涉及电动车技术领域,具体涉及一种四轮电动车用故障诊断器,包括外壳,外壳一侧固定安装有显示屏,显示屏下方固定连接有电源总开关,电源总开关下方固定安装有两个旋钮,一个旋钮为DNR调节旋钮,另一个旋钮为车速调节旋钮,外壳底部固定连接有检测线,检测线设有两根,每根检测线末端固定连接有诊断插头。本发明四轮电动车用故障诊断器既能故障诊断,又能应急行驶操纵,操作简单,性能可靠,方便实用。
Four-wheel electric vehicle fault diagnosis device
一种四轮电动车用故障诊断器
2022-01-21
Patent
Electronic Resource
Chinese
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