P2 hybrid power module

Abstract

The invention discloses a P2 hybrid power module. The P2 hybrid power module comprises a driving motor system and a power coupling device. The driving motor system comprises a driving motor and a planetary reducer, the driving motor comprises a stator, a rotor and a rotor support, the planetary reducer comprises a sun gear, an outer gear ring, a planet carrier and a planet gear, the planetary reducer is arranged in the rotor support, the sun gear is connected with the rotor support in an anti-torque mode, and the planet carrier is connected with the transmission input shaft in an anti-torque mode; the power coupling device comprises an actuator motor and an actuator mechanism, the actuator mechanism comprises a combination gear ring and a rotating gear ring, an outer gear ring of the planetary reducer is connected with the rotating gear ring in an anti-torque mode, and the actuator motor controls separation and combination of the combination gear ring and the rotating gear ring by controlling the combination gear ring to move in the axial direction. The invention has the advantages of excellent integration level, small axial size, high system efficiency, high power density, high reliability, low control strategy complexity and the like.

Description

technical field [0001] The invention belongs to the technical field of power systems of hybrid electric vehicles, and in particular relates to a P2 hybrid power module. Background technique [0002] The power system of a hybrid electric vehicle is generally composed of a traditional internal combustion engine and an electric drive system. Its main operating modes include a traditional internal combustion engine mode, a pure electric drive mode, and a hybrid power mode. The hybrid power mode includes hybrid drive and braking energy feedback. Hybrid electric vehicles By adjusting the working area of ​​the internal combustion engine and other methods, excellent performance can be achieved in terms of cruising range, energy utilization rate, and reduction of gas emissions. With the development of hybrid electric vehicles, the industry generally distinguishes electric drive systems in the form of digital codes according to their different positions in the power system, generally ...

AI Technical Summary

Problems solved by technology

At present, the existing P2 technology in the market is mainly mastered by companies such as ZF and Schaeffler. It is mainly used in the design and transformation of the AT transmission power system. The motor and the engine rotate at the same speed. The efficiency is not high, the fuel-saving effect is limited, and the clutch is used to control the coupling relationship between the input and output of the motor and the internal combustion engine, which has the disadvantages of complex control strategy and low system adaptability

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