2020款比亚迪秦EV高压互锁结构原理及故障诊断

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【摘  要】介绍2020款比亚迪秦EV高压互锁结构和原理，基于结构和原理，分析和排除实车故障，分享整体检修思路和过程，以便体现掌握高压互锁结构和原理对故障检修的重要性。

【关键词】秦EV；高压互锁；检修

中图分类号：U469.72    文献标识码：B    文章编号：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款比亚迪秦EV通过高压互锁实时监测低压电路中标准方波信号来反映408V的高压电路高压连接器是否插接完好。（剩余5113字）