The application provides a vehicle, a power battery charging device and a direct-current charging protection system. The power battery charging device comprises a first switch module, an energy storage module, a voltage division module, a boosting module, a second switch module and a control module. The first switch module is used for enabling a power battery to discharge to the energy storage module according to a control instruction, and the second switch module is used for connecting or disconnecting the power battery charging device and an external power module according to the on-off instruction. According to the application, the voltage division module is arranged and a second resistor in the voltage division module divides the voltage on the energy storage module, so that the external power supply module judges whether a charging condition in a preset standard is met or not according to the target voltage value of a second resistor sent by the control module and the detected actual voltage of the second resistor; and when the preset standard is met, the current is output to the boosting module, i.e., the voltage interaction requirement in the preset standard is met by utilizing the voltage division effect of the second resistor, so that the charging control of the power battery is simpler.
本申请提出了一种车辆、动力电池充电装置及直流充电保护系统,动力电池充电装置包括第一开关模块、储能模块、分压模块、升压模块、第二开关模块以及控制模块,第一开关模块用于根据控制指令使动力电池向储能模块进行放电,第二开关模块用于根据通断指令使动力电池充电装置与外部电源模块接通或者断开;本申请通过设置分压模块,使分压模块中的第二电阻对储能模块上的电压进行分压,使外部电源模块根据控制模块发送的第二电阻的目标电压值和检测的第二电阻的实际电压判定是否满足预设标准中的充电条件,当满足预设标准时向升压模块输出电流,即利用第二电阻的分压作用满足了预设标准中的电压交互要求,使对动力电池充电的控制更加简单。
Vehicle, power battery charging device and direct-current charging protection system
车辆、动力电池充电装置及直流充电保护系统
2020-06-30
Patent
Electronic Resource
Chinese
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