Driving system of hybrid vehicle

Abstract

The invention discloses a driving system of a hybrid vehicle, and belongs to the technical field of vehicle driving. The system involves an engine, a connecting and disconnecting device, a first motor, a first gear assembly, a second motor, and differential devices; one end of the connecting and disconnecting device is connected with the engine through a first transmission shaft; the first motor is connected with the other end of the connecting and disconnecting device through a second transmission shaft; the first gear assembly comprises a plurality of gear pairs; the first motor is connectedto one end of the second transmission shaft, and a third transmission shaft is rotatably connected with the second transmission shaft; the second motor is connected with a fourth transmission shaft arranged on the periphery of the third transmission shaft in a sleeving mode; the differential devices comprise a front differential device and a rear differential device, and the rear differential device is connected with the other end of the third transmission shaft and a rear driving shaft; and the engine, the connecting and disconnecting device, the first motor and the second motor are sequentially arranged at intervals in the direction of vehicle front wheels pointing to vehicle rear wheels. According to the system, the engine can participate in driving when the vehicle speed is high and does not participate in driving when the vehicle speed is low so that a vehicle can be in the most economical working mode, and the oil consumption of the vehicle is reduced.

Description

technical field

[0001] The invention relates to the technical field of vehicle drive, in particular to a drive system of a hybrid vehicle. Background technique

[0002] A hybrid vehicle refers to a vehicle that uses both gasoline and electric drive. Its advantage is that when the vehicle starts and stops, it is only driven by the motor, and the engine does not work. When reaching a certain speed, the engine rotates, so that the engine can always be kept in the best working condition, with good power and low emission.

[0003] In the prior art, the transmission device of a hybrid vehicle usually adds an electric motor between the engine and the transmission on the basis of the gasoline drive device, so as to realize the function of electric drive. That is, by improving the ordinary automatic transmission into a hybrid transmission, hybrid drive can be realized. However, the transmission device formed in this way cannot control the engine to work in the low fuel consumption...

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