The invention discloses a wireless charging system and method based on a primary side clamping circuit, and relates to the technical field of wireless charging. The system comprises an LCC-S compensation wireless charging system and a clamping circuit connected with a primary side of the LCC-S compensation wireless charging system, wherein the clamping circuit comprises a first full-bridge rectifier composed of four diodes, a clamping coil LT and a clamping coil compensation capacitor CT; an output end A3 of the first full-bridge rectifier is connected with one end of the clamping coil LT, the other end of the clamping coil LT is connected with one end of the clamping coil compensation capacitor CT, and the other end of the clamping coil compensation capacitor CT is connected with an output end A4 of the first full-bridge rectifier. Switching from a constant current charging mode to a constant voltage charging mode can be automatically completed, complex control is not needed, the structure is simple, and the cost is low.
本发明公开一种基于原边钳位电路的无线充电系统及方法,涉及无线充电技术领域。所述系统包括:LCC‑S补偿无线充电系统以及与所述LCC‑S补偿无线充电系统原边连接的钳位电路;其中,所述钳位电路包括由四个二极管构成的第一全桥整流器、钳位线圈LT和钳位线圈补偿电容CT;所述第一全桥整流器的输出端A3与所述钳位线圈LT的一端连接,所述钳位线圈LT的另一端与所述钳位线圈补偿电容CT的一端连接,所述钳位线圈补偿电容CT的另一端与所述第一全桥整流器的输出端A4连接。本发明能够自动完成恒流充电模式到恒压充电模式的切换,且无需复杂控制,结构简单,成本低。
Wireless charging system and method based on primary side clamping circuit
一种基于原边钳位电路的无线充电系统及方法
2024-11-12
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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