Powertrain and vehicle having same

Abstract

The invention discloses a power transmission system and a vehicle. The power transmission system includes a system power output part, an engine, a second motor generator, a first motor generator unitand a mode conversion device; an input end of the system power output part is selectively in dynamic coupled connection with the engine; the second motor generator is directly or selectively in dynamic coupled connection with the engine; the first motor generator unit comprises a first motor generator and a unit coupling part, the unit coupling part is in dynamic coupled connection with the systempower output part, and the first motor generator is selectively in dynamic coupled connection with the unit coupling part; the engine can be in dynamic coupled connection or disconnection with the unit coupling part through the mode conversion device, the engine can be in dynamic coupled connection with the unit coupling part through the mode conversion device, and therefore power output of the engine is subjected to speed reduction through the mode conversion device in sequence and then output to the unit coupling part. In this way, the driving modes of the vehicle can be enriched, and the vehicle can adapt to different road conditions.

Description

technical field [0001] The present invention relates to the technical field of vehicles, in particular to a power transmission system of a vehicle and a vehicle with the power transmission system. Background technique [0002] With the continuous consumption of energy, the development and utilization of new energy vehicles has gradually become a trend. As one of the new energy vehicles, a hybrid vehicle is driven by an engine and / or an electric motor, and has multiple modes, which can improve transmission efficiency and fuel economy. [0003] However, in the relevant technologies known to the inventor, some hybrid electric vehicles have few drive modes and low drive transmission efficiency, which cannot meet the requirements of vehicles adapting to various road conditions. lack of ability. Moreover, in order to realize the parking power generation condition, an additional transmission mechanism needs to be added, which leads to low integration and low power generation effi...

AI Technical Summary

Problems solved by technology

[0003] However, in the relevant technologies known to the inventor, some hybrid electric vehicles have few drive modes and low drive transmission efficiency, which cannot meet the requirements of vehicles adapting to various road conditions. lack of ability

Moreover, in order to realize the parking power generation condition, it is necessary to additionally increase the transmission mechanism, which has low integration and low power generation efficiency

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