The invention relates to a low-voltage power supply circuit and a vehicle, the low-voltage power supply circuit comprises a DCDC circuit, the first end of the DCDC circuit is connected with a power battery, and the second end of the DCDC circuit is connected with a low-voltage load of the vehicle; the first end of the super capacitor is connected with the second end of the DCDC circuit, and the second end of the super capacitor is connected with the low-voltage load; wherein the DCDC circuit is used for converting high-voltage direct current output by the power battery into low-voltage direct current and supplying power to the low-voltage load and the super capacitor, and the super capacitor is used for supplying power to the low-voltage load. The super capacitor is used for replacing a storage battery, the cycle life is long, the working temperature range is wide, and the environmental adaptability is good.
一种低压供电电路及车辆,该低压供电电路包括:DCDC电路,所述DCDC电路的第一端连接动力电池,所述DCDC电路的第二端连接车辆的低压负载;超级电容,所述超级电容的第一端连接所述DCDC电路的第二端,所述超级电容的第二端连接所述低压负载;其中,所述DCDC电路用于将所述动力电池输出的高压直流电转换为低压直流电,并为所述低压负载和所述超级电容供电,所述超级电容用于为所述低压负载供电。本发明使用超级电容代替蓄电池,循环寿命长,工作温度范围宽,环境适应性好。
Low-voltage power supply circuit and vehicle
低压供电电路及车辆
2024-07-02
Patent
Electronic Resource
Chinese
Power supply voltage monitoring circuit, sensor circuit for vehicle, and power steering apparatus
European Patent Office | 2015
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