A hybrid drive

Abstract

The invention relates to the field of transmissions and discloses a hybrid driving device. The hybrid driving device includes a rear drive assembly and a front drive assembly, the rear drive assembly includes a first motor and a transmission shaft, the output shaft of the first motor is configured to be selectively connected to the engine input shaft and the transmission shaft, and the transmission shaft is used for drives the rear axle; the front drive assembly includes a second electric motor capable of driving the front axle. The hybrid driving device provided by the present invention eliminates the multi-gear design of the traditional transmission, and the engine is in the most economical working mode no matter whether the engine participates in driving when the vehicle speed is high or does not participate in driving when the vehicle speed is low, and can realize greater Significant fuel consumption is reduced, and transmission performance and reliability problems caused by frequent gear shifting are avoided. The driving mode switching of front-wheel independent drive, rear-wheel independent drive and four-wheel joint drive can be realized through the rear-wheel drive component and the front-drive component.

Description

technical field [0001] The invention relates to the field of transmissions, in particular to a hybrid driving device. Background technique [0002] Currently on the market, most of the improved hybrid drive devices based on automatic transmissions add a motor between the engine and the transmission, or connect a motor in parallel to a certain gear of the automatic transmission to achieve pure electric drive, braking energy recovery, and acceleration. Increase torque and other functions. [0003] However, this kind of hybrid driving device still needs to switch gears by switching dual clutches, and cannot rely on motor speed regulation, and the quality of gear shifting is not high, and software control is very difficult. At the same time, this scheme of improving the ordinary automatic transmission into a hybrid transmission cannot make the engine often work in the low fuel consumption area, and the reduction in fuel consumption is small; there are few hybrid drive modes, an...

AI Technical Summary

Problems solved by technology

[0003] However, this kind of hybrid drive device still needs to switch gears by switching dual clutches, and cannot rely on motor speed regulation, and the quality of gear shifting is not high, and software control is very difficult

At the same time, this scheme of improving the ordinary automatic transmission into a hybrid transmission cannot make the engine often work in the low fuel consumption area, and the reduction in fuel consumption is small; there are few hybrid drive modes, and more fuel-saving modes cannot be realized

In addition, the emerging dual-motor hybrid solutions currently on the market are all arranged horizontally on the vehicle. Due to the limited lateral space of the vehicle, these solutions are often very compact, which makes the design and production of corresponding parts more difficult, and limited torque space

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