According to the electric vehicle and the power supply circuit thereof, a wireless charging and discharging unit and a wired charging and discharging unit in the power supply circuit multiplex a parameter-adjustable circuit, so that the parameter-adjustable circuit can be adjusted in a wired charging and discharging mode and a wireless charging and discharging mode; the wired charging and discharging unit and the wireless charging and discharging unit both adopt parameter-adjustable circuits, so that the conversion of the resonant frequency of the power supply circuit can be realized, and the reuse rate of devices in the power supply circuit is improved. And the control unit in the power supply circuit can adjust the resonance parameter of the parameter adjustable circuit, so that the resonance frequency of the power supply circuit is the same as the preset frequency in the current charging and discharging mode, the dynamic adjustment of the resonance frequency of the power supply circuit is realized, the optimal resonance point is realized, and the charging and discharging efficiency is improved. Moreover, in the wireless charging and discharging mode, the wireless charging and discharging coil and the parameter-adjustable circuit form series resonance, so that the power supply circuit is suitable for application occasions of high-power constant-current charging.
本申请公开了一种电动车辆及其电源电路,由于电源电路中的无线充放电单元和有线充放电单元复用参数可调电路,因此在有线充放电模式下和无线充放电模式下,有线充放电单元和无线充放电单元均采用参数可调电路即可实现电源电路的谐振频率的变换,提高了电源电路中器件的复用率。且由于电源电路中的控制单元能够调节参数可调电路的谐振参数,以使电源电路的谐振频率与当前充放电模式下的预设频率相同,由此实现电源电路的谐振频率动态调节,实现最佳谐振点,提高了充放电效率。并且,由于在无线充放电模式下,无线充放电线圈和参数可调电路形成串联谐振,因此该电源电路适用于大功率恒流充电的应用场合。
Electric vehicle and power supply circuit thereof
电动车辆及其电源电路
2024-08-02
Patent
Electronic Resource
Chinese
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