The invention provides a wireless charging system capable of autonomously switching a constant current/constant voltage output mode, a direct current voltage source is connected with an induction type electric energy transmission converter and an auxiliary loop, and the induction type electric energy transmission converter is connected with a battery load; the induction type electric energy transmission converter comprises a primary side compensation coil Lf1 and a secondary side compensation coil Lf2; the auxiliary loop comprises an auxiliary coil La; the primary side compensation coil Lf1, the secondary side compensation coil Lf2 and the auxiliary coil La are bipolar coils, each bipolar coil comprises four identical square coils, and the four square coils are arranged in a shape like a Chinese character'tian '. According to the invention, autonomous switching between the constant current output mode and the constant voltage output mode of the wireless charging system is realized, the sensitivity of the system to position offset is reduced, the anti-offset capability of the system is improved, and the output stability is ensured.

    本发明提供了一种可自主切换恒流/恒压输出模式的无线充电系统,所述直流电压源连接所述感应式电能传输变换器和所述辅助回路,所述感应式电能传输变换器连接所述电池负载;所述感应式电能传输变换器包括初级侧补偿线圈Lf1和次级侧补偿线圈Lf2;所述辅助回路包括辅助线圈La;所述初级侧补偿线圈Lf1、所述次级侧补偿线圈Lf2以及所述辅助线圈La均为双极性线圈,所述双极性线圈包括四个相同的方形线圈,四个所述方形线圈呈田字格式排列。本发明实现无线充电系统恒流和恒压输出模式的自主切换,同时降低系统对位置偏移的敏感度,提高系统的抗偏移能力,以保证输出的稳定性。


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    Title :

    Wireless charging system capable of automatically switching constant current/constant voltage output modes


    Additional title:

    可自主切换恒流/恒压输出模式的无线充电系统


    Contributors:
    ZHU CHONG (author) / YIN CHENGLIANG (author) / YANG SHUYU (author) / LI JIA (author) / XIE JIXIE (author) / ZHANG XI (author)

    Publication date :

    2022-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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



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