The invention discloses a wireless charging optimization structure and optimization method for a trolley, and relates to the technical field of trolley wireless charging, the wireless charging optimization structure comprises a resonant capacitor, a current sampling chip, a sampling resistor, an MOS tube and a diode controller; an LMP8480 type chip is adopted as the current sampling chip; according to the wireless charging optimization structure and optimization method for the trolley, the current voltage of a super capacitor is detected, according to the current voltage, calculation is carried out through Pt =/C * U, absolute time is calculated, then the current input power is calculated through P = U * I, then the input power obtained through calculation and target power are sent to PID, and when a next single-chip microcomputer is interrupted, the absolute time is calculated. The method comprises the following steps: calculating a corresponding voltage value, then adding a PIDROR value to the calculated voltage value, and outputting the obtained value to a BUCK circuit according to a certain proportion, thereby achieving the purpose of constant power, improving the wireless charging topology, optimizing the wireless charging efficiency, and achieving the optimization of the wireless charging efficiency through a constant power algorithm.

    本发明公开了一种用于小车的无线充电优化结构及优化方法,涉及小车无线充电技术领域,包括谐振电容、电流采样芯片、采样电阻、MOS管与二极管控制器;所述电流采样芯片采用LMP8480型号芯片;该用于小车的无线充电优化结构及优化方法,通过检测超级电容当前电压,根据当前电压,通过Pt=/C*U^进行计算,计算出绝对时间,然后通过P=U*I计算当前输入功率,然后将计算得到的输入功率与目标功率送进PID,然后计算下一单片机中断时,对应的电压值,接着将计算出的电压值,加上PID_ERROR值,经过一定比例输出给BUCK电路,从而达到恒功率的目的,从而能够改善无线充电拓扑,进而能够优化无线充电效率,从而通过恒功率算法实现无线充电效率的优化。


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    Title :

    Wireless charging optimization structure and optimization method for trolley


    Additional title:

    一种用于小车的无线充电优化结构及优化方法


    Contributors:
    CHEN YULONG (author) / CAI ZHIHAN (author) / CHEN LEYANG (author)

    Publication date :

    2022-11-08


    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 / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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