The invention discloses a constant-current constant-voltage anti-offset output wireless charging system and a charging method. The system is composed of a direct-current power supply, a high-frequency inverter, a primary side compensation circuit, a coupling mechanism, a secondary side compensation circuit, a constant-current constant-voltage conversion circuit and a rectifying circuit, wherein the primary side compensation circuit is composed of an inductor L0, a capacitor C0, a capacitor C1 and a capacitor C4, the coupling mechanism is composed of an inductor L1, an inductor L2, an inductor L4 and an inductor L5, the secondary side compensation circuit is composed of a capacitor C2, a capacitor C3, an inductor L3 and a capacitor C5, the constant-current constant-voltage conversion circuit is composed of an inductor Lf1, an inductor Lf2 and a capacitor Cf, the inductor Lf1 and the inductor Lf2 are connected in series, one end of the capacitor Cf is connected with the inductor L3 of the secondary side compensation circuit, the other end of the capacitor Cf is connected between the inductor Lf1 and the inductor Lf2 through a switch S2, and the two ends of the inductor Lf1 and the inductor Lf2 which are connected in series are connected with a switch S1 in a bridging mode. According to the invention, the defect of unstable output of a charging system and a charging method in the prior art is overcome.
本发明公开了一种恒流恒压抗偏移输出无线充电系统和充电方法,该系统由直流电源、高频逆变器、原边补偿电路、耦合机构、副边补偿电路、恒流恒压转换电路和整流电路构成,原边补偿电路由电感L0、电容C0、电容C1及电容C4构成;耦合机构由电感L1、电感L2、电感L4及电感L5构成;副边补偿电路由电容C2、电容C3、电感L3及电容C5构成;所述恒流恒压转换电路由电感Lf1、电感Lf2及电容Cf构成,电感Lf1和电感Lf2串联,电容Cf的一端与副边补偿电路的电感L3相接,另一端通过开关S2接于电感Lf1和电感Lf2之间,电感串接的Lf1和电感Lf2两端跨接有开关S1。本发明克服了现有技术中充电系统和充电方法存在的输出不稳定的缺点。
Constant-current constant-voltage anti-offset output wireless charging system and charging method
一种恒流恒压抗偏移输出无线充电系统和充电方法
2021-05-28
Patent
Electronic Resource
Chinese
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