The invention provides a mode switching system and method for a hybrid electric vehicle with the function of external connection. The mode switching system comprises a manual button, a central processing unit, an electric motor flywheel rotating speed sensor, an engine flywheel rotating speed sensor, an engine controller and an electric motor controller, wherein the manual button is used for performing system mode manual switching by a driver; the central processing unit is used for receiving and transmitting electrical signals of the manual button, the electric motor flywheel rotating speed sensor, the engine flywheel rotating speed sensor, the electric motor controller and the engine controller; the electric motor controller is used for controlling the operation of an electric motor; the engine controller is used for controlling the operation of an engine; the electric motor flywheel rotating speed sensor is used for collecting a flywheel rotating speed signal of the electric motor; the engine flywheel rotating speed sensor is used for collecting a flywheel rotating speed signal of the engine. Through the adoption of the mode switching system disclosed by the invention, frequent charging processes and frequent discharging processes of an accumulator group are avoided, the service life of an accumulator is prolonged, and the operational efficiency of the accumulator is improved.
Mode switching system and method for hybrid electric vehicle with function of external connection
2015-12-02
Patent
Electronic Resource
English
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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