2020款比亞迪秦EV高壓互鎖結(jié)構(gòu)原理及故障診斷

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【摘  要】介紹2020款比亞迪秦EV高壓互鎖結(jié)構(gòu)和原理，基于結(jié)構(gòu)和原理，分析和排除實(shí)車故障，分享整體檢修思路和過程，以便體現(xiàn)掌握高壓互鎖結(jié)構(gòu)和原理對(duì)故障檢修的重要性。

【關(guān)鍵詞】秦EV；高壓互鎖；檢修

中圖分類號(hào)：U469.72    文獻(xiàn)標(biāo)識(shí)碼：B    文章編號(hào)：1003-8639（ 2024 ）01-0083-04

The Structural Principle and Fault Diagnosis of the 2020 BYD Qin EV High Voltage Interlock*

WANG Jun，WEN Weijian，WANG Fei，WANG Wentao，JIANG Chuntian

（Department of Mechanical and Electrical Engineering，Guangzhou City Polytechnic，Guangzhou 510405，China）

【Abstract】This paper introduces the structure and principle of the 2020 BYD Qin EV high-voltage interlock，analyzes and eliminates actual vehicle faults based on the structure and principle，shares overall maintenance ideas and processes，and reflects the importance of mastering the structure and principle of high-voltage interlock for fault maintenance.

【Key words】BYD Qin EV；high voltage interlock；repair

2020款比亞迪秦EV通過高壓互鎖實(shí)時(shí)監(jiān)測(cè)低壓電路中標(biāo)準(zhǔn)方波信號(hào)來反映408V的高壓電路高壓連接器是否插接完好。（剩余5113字）