Hybrid speed changer, hybrid driving system and hybrid car

Abstract

The invention relates to a hybrid speed changer, a hybrid driving system and a hybrid car. The hybrid speed changer comprises a first input shaft, a second input shaft and an output shaft. The first input shaft and the second input shaft are coaxially arranged. The hybrid speed changer further comprises a first gear, a second gear, a first synchronizer, a third gear, a fourth gear and a second synchronizer, wherein the first gear and the second gear are arranged on the first input shaft and are arranged adjacently in the axial direction and rotate synchronously; the second gear is arranged atone axial end of the first input shaft; the first synchronizer is arranged on the second input shaft and located at one axial side of the second gear and can be engaged with the second gear; the thirdgear, the fourth gear and the second synchronizer are arranged on the output shaft; the third gear and the fourth gear are arranged on the output shaft in an idle sleeving mode; the second synchronizer is located between the third gear and the fourth gear and can be engaged with the third gear or the fourth gear; the third gear and the fourth gear are engaged with the first gear and the second gear correspondingly.

Description

technical field [0001] The invention relates to the field of hybrid vehicles. In particular, the present invention relates to a hybrid transmission and a hybrid driveline and a hybrid vehicle including the hybrid transmission. Background technique [0002] A hybrid vehicle is a vehicle that uses more than two sources of power. The most common gasoline-electric hybrid vehicles use a traditional internal combustion engine (diesel or gasoline) and an electric motor as power sources. [0003] From the prior art, various arrangements of hybrid drive trains in hybrid vehicles are known. A commonly used add-on arrangement is to additionally add a hybrid module between the internal combustion engine and the transmission of the traditional internal combustion engine drive system, wherein the hybrid module includes a clutch for coupling or cutting off the power transmission between the internal combustion engine and the electric motor, the electric motor , a casing for the hybrid p...

AI Technical Summary

Problems solved by technology

However, the existing hybrid-specific transmissions are usually specially provided with a gear set from the output shaft of the motor to the output shaft of the transmission, and a dedicated reverse gear set is provided for the pure internal combustion engine driving mode, which increases the space occupied by the transmission and increases the manufacturing cost. increase, while detrimental to the reliability and efficiency of the entire drive system

In addition, existing hybrid-specific transmissions have long power transmission paths from the internal combustion engine to the wheels in some gears, reducing system efficiency

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