The invention relates to a fully active control hydrogen-electricity composite power supply system for an unmanned aerial vehicle and a control method, the system comprises a fuel cell and a lithium battery, the positive electrode of the fuel cell is connected with the drain electrodes of an NMOS switch tube N1 and an NMOS switch tube N2, the source electrode of the NMOS switch tube N1 is connected with the positive electrode of a diode D2, the negative electrode of the diode D2 is connected with the positive electrode of a load output end, and the source electrode of the NMOS switch tube N2 is connected with the negative electrode of a diode D1 and the input end of an inductor L; the output end of the inductor L is connected with the drain electrode of the NMOS switch tube N3 and the positive electrode of the diode D3, the negative electrode of the diode D3 is connected with the drain electrode of the PMOS switch tube P1 and the positive electrode of the load output end, and the source electrode of the PMOS switch tube P1 is connected with the positive electrode of the lithium battery; the negative electrode of the fuel cell is connected with the positive electrode of the diode D1, the source electrode of the NMOS switching tube N3, the negative electrode of the lithium battery and the negative electrode of the load output end; direct output of the fuel cell, direct output of the lithium battery and boost-buck cooperative output are completed by controlling on-off of the NMOS switching tubes N1, N2 and N3 and the PMOS switching tube P1, so that the unmanned aerial vehicle works in an optimal state, and the service life of the battery is prolonged.
一种无人机用全主动控制的氢电复合电源系统及控制方法,包括燃料电池和锂电池,燃料电池正极与NMOS开关管N1、NMOS开关管N2漏极连接,NMOS开关管N1源极和二极管D2正极连接,二极管D2负极连接负载输出端正极,NMOS开关管N2源极与二极管D1负极、电感L输入端连接,电感L输出端与NMOS开关管N3漏极、二极管D3正极连接,二极管D3负极和PMOS开关管P1漏极、负载输出端正极连接,PMOS开关管P1源极和锂电池正极连接;燃料电池负极和二极管D1正极、NMOS开关管N3源极、锂电池的负极和负载输出端负极连接;通过控制NMOS开关管N1、N2和N3以及PMOS开关管P1的通断,完成燃料电池直接输出、锂电池直接输出和升降压协同输出,使无人机工作在最佳状态,延长电池使用寿命。
Full-active control hydrogen-electricity composite power supply system for unmanned aerial vehicle and control method
一种无人机用全主动控制的氢电复合电源系统及控制方法
2023-05-12
Patent
Elektronische Ressource
Chinesisch
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / B64U / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / 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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