The invention discloses a magnetic coupling resonant unmanned aerial vehicle wireless charging system based on array coils, and belongs to the field of unmanned aerial vehicle wireless charging. Comprising a direct current input module, a primary side MCU, a DC-DC conversion circuit, a harmonic suppression circuit, an inverter circuit, a first electric energy emission resonance circuit, a second electric energy emission resonance circuit, a pure resistive auxiliary mutual inductance detection circuit, an AC-DC electric energy receiving conversion circuit, an energy storage element, a secondary side MCU, a first wireless communication module and a second wireless communication module. Multi-machine and single-machine wireless power transmission is supported, the transmission power and efficiency are improved, the used LCC-S topological structure does not introduce reflection impedance with an imaginary part, the transmission efficiency is high, and the structure is simple. According to the method, the pre-estimated mutual inductance coefficient M is combined with the wireless communication technology and the array coil, so that the problem of displacement offset in the wireless charging process of the unmanned aerial vehicle is solved, and the anti-offset capability of the wireless charging system is greatly improved.
一种基于阵列式线圈的磁耦合谐振式无人机无线充电系统,属于无人机无线充电领域,包括:直流输入模块、原边MCU、DC‑DC变换电路、谐波抑制电路、逆变电路、第一电能发射谐振回路、第二电能发射谐振回路、纯阻性辅助互感检测电路、AC‑DC电能接收变换回路、储能元件、副边MCU、第一无线通信模块和第二无线通信模块。本发明支持多机以及单机的无线电能传输,提高了传输功率与效率,所使用的LCC‑S拓扑结构,不引入带虚部的反射阻抗,其传输效率高,结构简单。本发明利用预估互感系数M结合无线通信技术以及阵列式线圈的方法,解决了无人机无线充电过程中的位移偏移问题,对无线充电系统的抗偏移能力带来了极大的提升。
Magnetic coupling resonant unmanned aerial vehicle wireless charging system based on array coil
一种基于阵列式线圈的磁耦合谐振式无人机无线充电系统
2024-04-16
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 / B64U / 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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