The invention provides an emergency power supply control circuit and a motor controller, and relates to the technical field of control circuits, and the emergency power supply control circuit comprises a power supply end, a lower bridge driving circuit, a lower bridge driving circuit and an upper bridge driving circuit, the active short-circuit logic control circuit is connected to the power supply end; one end of the capacitor is connected between the power supply end and the active short-circuit logic control circuit, and the other end is grounded; one end of the charging current-limiting resistor is connected with the power supply end, and the other end of the charging current-limiting resistor is connected with one side, connected between the power supply end and the active short-circuit logic control circuit, of the capacitor through a charging diode; one end of the discharge diode is connected with one side, connected between the power supply end and the active short-circuit logic control circuit, of the capacitor, and the other end is connected with the active short-circuit logic control circuit; a connection circuit; the problems that an existing control circuit adopts an isolation type high-voltage flyback power supply as an emergency power supply for power supply, the topological structure is complex, and the electromagnetic compatibility and the layout area are limited are solved.
本发明提供了一种应急电源控制电路和电机控制器,涉及控制电路技术领域,包括:供电电源端,下桥驱动电路,通过导通二极管连接至供电电源端;主动短路逻辑控制电路,连接至供电电源端;电容,一端连接至供电电源端和主动短路逻辑控制电路之间,另一端接地;充电限流电阻,一端连接供电电源端,另一端通过充电二极管与电容上连接至供电电源端和主动短路逻辑控制电路之间一侧连接;放电二极管,一端与电容上连接至供电电源端和主动短路逻辑控制电路之间一侧连接,另一端连接主动短路逻辑控制电路;连接电路;解决现有控制电路采用隔离型高压反激电源作为应急电源供电,存在拓扑结构复杂、电磁兼容和布板面积受限的问题。
Emergency power supply control circuit and motor controller
一种应急电源控制电路和电机控制器
2023-12-22
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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
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