Charging system based on wireless charging

• Main Authors: DING ZHIQING, WANG XIAOLI, HU CHENG, LIU ZHIWEI, JIE SHUNLI, HANG TIAN, ZHANG YUEYUAN
• Format: Patent
• Language: Chinese; English
• Published: 14.09.2018
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention discloses a charging system based on wireless charging. The charging system comprises a transmitting circuit, N-stage coupling circuits and a receiving circuit. With adoption of the multi-stage resonant coupling circuits, current and voltage stress on a power device can be reduced, service life of the device can be prolonged, useless work in the system can be reduced, further, wholesystem efficiency is increased, moving range of a receiving terminal is enlarged, energy loss rate can be reduced by 25%-30% by using the multi-times resonant coupling circuits, and the charging system has good effects in reducing onboard energy consumption and prolonging service life of a battery. 本发明公开了种基于无线充电的充电系统，包括发射电路、N级耦合电路和接收电路，通过采用多级谐振耦合电路不仅能减小功率器件上的电流和电压应力，延长器件的使用寿命，还可以减少系统中的无用功，从而提高整个系统效率，增大接收端的移动范围，使用多次谐振耦合电路，实现了能量损耗率将减少25％-30％，对于改善车载能量消耗，延长电池的使用寿命起到了良好效果。