According to the power split hybrid power device and the control method thereof, through cooperative control of a planetary gear structure and a motor, a power split system with an engine running at the highest efficiency point all the time is achieved, and the power split hybrid power device has the advantages of being efficient and intelligent. A power split hybrid power device comprises an engine, a first planetary gear device, a first motor, a second planetary gear device, a second motor, a first-stage speed reducer, a second-stage speed reducer and a control system. The first planetary gear device is connected with an engine to serve as a power input end, is connected with the second planetary gear device in parallel through the first-stage speed reducer and then is connected to a driving shaft of a vehicle through the second-stage speed reducer and the differential mechanism, and is responsible for providing parallel driving force or kinetic energy recovery for the vehicle. The control system comprises a motor control unit, a battery management unit, an inverter control unit, an analog quantity conditioning unit, a digital switching value conditioning unit and the like; according to the vehicle driving working condition, the driving mode is intelligently switched, and power output of the engine and the motor is adjusted.
本发明公开一种动力分流混合动力装置及其控制方法,通过行星齿轮结构和电机协同控制,以实现发动机始终运行在最高效率点的动力分流系统,具备高效和智能化特点。一种动力分流混合动力装置包括发动机、第一行星齿轮装置、第一电机、第二行星齿轮装置、第二电机、一级减速器、二级减速器和控制系统。第一行星齿轮装置与发动机连接作为动力的输入端,经过一级减速器同第二行星齿轮装置并联后经二级减速器和差速器相连到车辆的驱动轴,负责为车辆提供并联的驱动力或动能回收;控制系统包括电机控制单元、电池管理单元、逆变器控制单元、模拟量调理单元、数字开关量调理单元等;根据车辆行驶工况,智能切换驾驶模式,调节发动机和电机的动力输出。
Power split hybrid power device and control method thereof
一种动力分流混合动力装置及其控制方法
09.05.2025
Patent
Elektronische Ressource
Chinesisch
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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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