The invention relates to the technical field of wireless charging of new energy automobiles, and discloses a high-power wireless charging system based on hybrid frequency modulation of a lithium battery and a super capacitor, which comprises a hybrid energy storage module, and the hybrid energy storage module comprises the lithium battery and the super capacitor; the wireless charging module is used for realizing wireless charging of the new energy automobile through electromagnetic induction and comprises a transmitting coil, a receiving coil and a charging positioning unit; the frequency adjusting module comprises a sampling circuit, a zero-crossing comparison circuit, a phase frequency detector and an inversion driving circuit, the inversion driving circuit is electrically connected with an inverter switching tube, and the frequency adjusting module is electrically connected with the wireless charging module; the supercapacitor adopts a pseudocapacitor, the positive electrode material of the pseudocapacitor comprises manganese oxide and a conductive substrate compounded with the manganese oxide, and the manganese oxide is doped with metal ions of different valence states.
本发明涉及新能源汽车无线充电技术领域,公开了基于锂电池与超级电容混合调频的大功率无线充电系统,包括混合储能模块,所述混合储能模块包括锂电池和超级电容器;无线充电模块,用于实现新能源汽车通过电磁感应进行无线充电,包括发射线圈、接收线圈以及充电定位单元;频率调节模块,包括采样电路、过零比较电路、鉴频鉴相器以及逆变驱动电路,所述逆变驱动电路电性电性连接有逆变器开关管,所述频率调节模块与所述无线充电模块电性连接;所述超级电容器采用赝电容器,所述赝电容器的正极材料包括氧化锰以及与所述氧化锰复合的导电基体,所述氧化锰内掺有不同价态的金属离子。
High-power wireless charging system based on hybrid frequency modulation of lithium battery and super capacitor
基于锂电池与超级电容混合调频的大功率无线充电系统
2024-11-19
Patent
Electronic Resource
Chinese
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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