The invention discloses a new energy automobile high-voltage connection interlocking diagnosis circuit system, which comprises a high-voltage connection plug, an input signal voltage reading module, a PWM signal reading module, a PWM signal generation module, a PWM recovery module and an MCU control module, and is characterized in that the input signal voltage reading module is in electrical input connection with the high-voltage connection plug; the PWM signal reading module is in electrical input connection with the high-voltage connecting plug; the PWM signal generation module is in electrical output connection with the high-voltage connection plug; the PWM recovery module is in electrical input connection with the PWM signal generation module; the MCU control module is in electrical input connection with the PWM recovery module, the PWM signal reading module and the input signal voltage reading module. Therefore, the framework of a high-voltage detection loop is simplified, convenience is provided for later after-sales maintenance, potential safety hazards are reduced, a failure mode diagnosis function is added, when a circuit fault or an external short circuit occurs, an approximate fault reason can be judged, the anti-interference capability is improved, and the problem that a high-voltage interlocking fault is misreported is prevented.
本发明公开了一种新能源汽车高压连接互锁诊断电路系统,包括高压连接插头、输入信号电压读取模块、PWM信号读取模块、PWM信号发生模块、PWM回采模块和MCU控制模块,其中,输入信号电压读取模块电性输入连接高压连接插头;PWM信号读取模块电性输入连接高压连接插头;PWM信号发生模块电性输出连接高压连接插头;PWM回采模块电性输入连接PWM信号发生模块;MCU控制模块分别电性输入连接PWM回采模块、PWM信号读取模块和输入信号电压读取模块。由此,简化高压检测回路架构,为后期售后维修提供了便捷,降低了安全隐患,增加失效模式诊断功能,在发生电路故障或者外部短路时可以判断大概故障原因,提高抗干扰能力,防止出现误报高压互锁故障的问题。
New energy automobile high-voltage connection interlocking diagnosis circuit system
新能源汽车高压连接互锁诊断电路系统
17.06.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
High-voltage connection interlocking detection and diagnosis circuit for new energy automobile
Europäisches Patentamt | 2024
|Europäisches Patentamt | 2022
|High-voltage interlocking detection circuit, battery system and electric automobile
Europäisches Patentamt | 2025
|Europäisches Patentamt | 2023
|High-voltage interlocking detection circuit, battery module and automobile
Europäisches Patentamt | 2024
|