The invention discloses a wading electric shock prevention system of an electric vehicle, which is characterized in that a leakage current grabbing unit is additionally arranged in a battery pack, and the leakage current grabbing unit is connected in parallel with a manual maintenance switch in the battery pack. The system also has the advantages that the change conditions of voltage and current are collected through the voltage and current sensor and transmitted to the signal terminal, the change conditions of leakage voltage and current are displayed on the instrument, checking and updating are prompted in time, and fire accidents caused by line aging, wire end exposure and the like are avoided.
本发明公开了一种电动汽车涉水防触电系统,在电池包内增加漏电电流抓取单元,所述漏电电流抓取单元与电池包内手动维修开关并联。本发明的优点还在于通过电压电流传感器采集电压和电流的变化情况,并传送到信号终端,在仪表上显示漏电电压电流的变化情况,及时提示检查更新,避免线路老化、线头裸漏等引起的火宅事故。
Wading electric shock prevention system of electric automobile
电动汽车涉水防触电系统
2025-02-07
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
Intelligent wading protection system for automobile engine
European Patent Office | 2021
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