The invention provides a fault detection device in charging equipment, the charging equipment comprises a first relay coupled between a first electric input end and a first electric output end and a second relay coupled between a second electric input end and a second electric output end, and the fault detection device comprises a first detection module and a second detection module, the first detection circuit is coupled between the first electric input end and the second electric output end and is configured to output a first detection signal when fault detection is started; the second detection module is coupled between the second electric input end and the first electric output end and is configured to output a second detection signal when fault detection is started; and the control module is configured to control the first detection module and the second detection module to start or stop fault detection, and judge whether the first relay and the second relay fail or not and whether the first electric output end and the second electric output end are short-circuited or not according to the first detection signal and the second detection signal. According to the invention, main loop relay faults and output end short circuit of the charging equipment can be detected.
本发明提供了一种充电设备中的故障检测装置,充电设备包括耦合在第一电输入端与第一电输出端之间的第一继电器和耦合在第二电输入端与第二电输出端之间的第二继电器,包括:第一检测模块,耦合在第一电输入端与第二电输出端之间,并且被配置为在开启故障检测时输出第一检测信号;第二检测模块,耦合在第二电输入端与第一电输出端之间,并且被配置为在开启故障检测时输出第二检测信号;和控制模块,被配置为控制第一检测模块和第二检测模块开启或关闭故障检测,并根据第一检测信号和第二检测信号,判断第一继电器和第二继电器是否发生故障以及第一电输出端与第二电输出端之间是否短路。本发明能检测充电设备的主回路继电器故障和输出端短路。
Fault detection device in charging equipment, charging equipment and fault detection method thereof
充电设备中的故障检测装置、充电设备及其故障检测方法
2022-12-09
Patent
Electronic Resource
Chinese
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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