The invention provides an anti-offset staged constant-current constant-voltage output wireless charging system which comprises a transmitting end and a receiving end, the transmitting end comprises a high-frequency alternating-current power supply, a transmitting end compensation network and a transmitting coil, an output port of the high-frequency alternating-current power supply is connected with an input port of the transmitting end compensation network, and an output port of the transmitting coil is connected with an output port of the receiving end compensation network. The transmitting coil is connected with an output port of the transmitting end compensation network, the receiving end comprises a receiving coil, a receiving end compensation network, a high-frequency rectifier filter and a load, the receiving coil is connected with an input port of the receiving end compensation network, and an output port of the receiving end compensation network is connected with an input port of the high-frequency rectifier filter. The output port of the high-frequency rectifier filter is connected with a load, and the transmitting end compensation network and the receiving end compensation network are both in series compensation. According to the invention, charging voltage and current can be adjusted in real time according to charging requirements, and staged constant-current and constant-voltage output and rapid and stable switching between a constant-current mode and a constant-voltage mode are realized.

    本发明提供了一种抗偏移的分阶段恒流恒压输出无线充电系统,所述无线充电系统包括发射端和接收端,发射端包括高频交流电源、发射端补偿网络和发射线圈,高频交流电源的输出端口与发射端补偿网络的输入端口连接,发射线圈与发射端补偿网络的输出端口连接,接收端包括接收线圈、接收端补偿网络、高频整流滤波器和负载,接收线圈与接收端补偿网络的输入端口连接,接收端补偿网络的输出端口与高频整流滤波器的输入端口连接,高频整流滤波器的输出端口与负载连接,发射端补偿网络和接收端补偿网络均为串联补偿。本发明能够通过充电需求实时调节充电电压和电流,实现分阶段恒流恒压输出,以及恒流模式和恒压模式之间的快速平稳切换。


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    Title :

    Anti-offset staged constant-current constant-voltage output wireless charging system


    Additional title:

    一种抗偏移的分阶段恒流恒压输出无线充电系统


    Contributors:
    XIA LIN (author) / HONG XIAO (author) / ZHANG WEIFENG (author) / GUO DAQI (author) / ZHANG YANG (author) / KIM JEONG-KOON (author) / GONG CHENGYAO (author) / WU KUAN (author) / MA DI (author) / WANG FENG (author)

    Publication date :

    2022-07-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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