The invention relates to a driving motor controller and an electric vehicle, the driving motor controller comprises a first half-bridge driving circuit, a second half-bridge driving circuit, a switching circuit and a first capacitor, the first half-bridge driving circuit is electrically connected with a power battery and a driving motor, the second half-bridge driving circuit is electrically connected with the switching circuit, and the first capacitor is electrically connected with the switching circuit. The switching circuit is electrically connected with the positive electrode of the power battery, and the second half-bridge driving circuit is further electrically connected with the driving motor; the first capacitor is electrically connected with the second half-bridge driving circuit and used for outputting a first voltage to the second half-bridge driving circuit, the first voltage is smaller than a second voltage, and the second voltage is the voltage provided by the power battery to the second half-bridge driving circuit. According to the invention, the switching loss can be reduced, and the endurance performance of the power battery is improved.
本申请涉及一种驱动电机控制器和电动车,其中,驱动电机控制器包括:第一半桥驱动电路、第二半桥驱动电路,开关电路、第一电容,所述第一半桥驱动电路与动力电池和驱动电机电性连接,所述第二半桥驱动电路与所述开关电路电性连接,所述开关电路与所述动力电池的正极电性连接,所述第二半桥驱动电路还与所述驱动电机电性连接;所述第一电容与所述第二半桥驱动电路电性连接,用于向所述第二半桥驱动电路输出第一电压,其中,所述第一电压小于第二电压,所述第二电压为所述动力电池向所述第二半桥驱动电路提供的电压。本申请能够降开关损耗、提高动力电池的续航性能。
Driving motor controller and electric vehicle
驱动电机控制器和电动车
2023-01-03
Patent
Elektronische Ressource
Chinesisch
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / 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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