The invention discloses an electric field coupling type underwater wireless power transmission system based on an E-type amplifier. The system comprises a primary transmitting circuit, a coupling unit and a secondary receiving circuit, the primary transmitting circuit comprises a direct current power supply, a high-frequency inverter circuit and a tuning circuit, and the tuning circuit adopts a pi-S type resonance network; the secondary receiving loop comprises a rectifying circuit, a filtering circuit and a load; the coupling unit is of a flat-plate-shaped capacitor structure and is composed of an upper pair of copper plates and a lower pair of copper plates, the copper plates are a transmitting polar plate and a receiving polar plate respectively, and seawater is filled between the two polar plates. According to the invention, the problems of low output power, small resonance capacity, large frequency deviation and the like of a single-stage LC resonance type electric field coupling type underwater wireless power transmission system are optimized.

    本发明公开了一种基于E类放大器的电场耦合式水下无线电能传输系统,所述系统包括:初级发送电路、耦合单元和次级接收电路,所述初级发送回路中包括:直流电源、高频逆变电路、调谐电路,所述调谐电路采用π‑S型谐振网络;所述次级接收回路中包括:整流电路、滤波电路和负载;所述耦合单元采用平板形电容器结构,由上下两对铜板组成,分别为发射极板和接收极板,两极板中间填充介质为海水。本发明优化了基于单级LC谐振型电场耦合式水下无线电能传输系统存在的输出功率低、谐振容量小、频率偏移大等问题。


    Access

    Download


    Export, share and cite



    Title :

    Electric field coupling type underwater wireless power transmission system based on class-E amplifier


    Additional title:

    基于E类放大器的电场耦合式水下无线电能传输系统


    Contributors:
    YANG JINSHENG (author) / ZONG LEI (author)

    Publication date :

    2022-01-07


    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



    Loose coupling transformer and underwater wireless electric energy transmission system adopting same

    FAN SHAOGUI / LI XUEFENG / WEN JINWEI et al. | European Patent Office | 2021

    Free access

    UNDERWATER WIRELESS POWER TRANSMISSION SYSTEM

    TAMURA MASAYA / MURAI KOSUKE / NAKA YASUMASA | European Patent Office | 2020

    Free access

    Pendulum type anti-offset magnetic coupling system for wireless power transmission of autonomous unmanned underwater vehicle

    CUI SHUMEI / WANG DEAN / CHEN FUZE et al. | European Patent Office | 2022

    Free access

    Underwater wireless power transmission method

    YUAN YAO / TOKUMOTO / YIN FANGHUI et al. | European Patent Office | 2024

    Free access