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Power transmission system for vehicle and vehicle

A power transmission system and vehicle technology, which is applied to the layout of multiple prime movers of general power plants, power plants, vehicle components, etc., can solve the problems of increasing additional loss, high motor cost, and large torque demand of motor M1, etc. Achieve the effect of small axial space occupation, lower production cost and wide application range

Inactive Publication Date: 2020-03-31
HYCET TRANSMISSION SYST (JIANGSU) CO LTD BAODING RES & DEV BRANCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the generator M1 is directly connected to the engine ENG, the torque requirement of the motor M1 is large, and the cost of the motor is high
In addition, under high-speed conditions, the engine direct drive mode is mainly used, and the generator M1 is used in parallel with the engine ENG, which is sufficient to provide the parallel hybrid function at high speeds, and the driving motor M2 increases additional losses under high-speed conditions.

Method used

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  • Power transmission system for vehicle and vehicle
  • Power transmission system for vehicle and vehicle
  • Power transmission system for vehicle and vehicle

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0085] Such as figure 1 As shown, in the first embodiment, the engine 1 and the first motor generator 4 are arranged on the same axis, the engine 1 is connected to the first input shaft 2 through the first transmission mechanism 3, and the first input shaft 2 is connected to the first motor generator The generator 4 is connected, and a plurality of first input shaft driving gears 22 are formed on the first input shaft 2, and a first clutch 11 is arranged between the plurality of first input shaft driving gears 22 and the first input shaft 2. An input shaft driving gear 22 meshes with a plurality of second countershaft driven gears 93 arranged on the second countershaft 91, and a first synchronizer is arranged between the second countershaft driven gears 93 and the second countershaft 91 10. The second countershaft driving gear 92 meshes with the output shaft gear 71, the second motor generator 5 is spaced apart from the first motor generator 4, and the second motor generator 5...

no. 2 example

[0088] Such as figure 2 As shown, in the second embodiment, the engine 1 and the first motor generator 4 are arranged on the same axis, and the first motor generator 4 is arranged adjacent to the engine 1, and the engine 1 is connected to the first input shaft through the first transmission mechanism 3 2 connection, the first clutch 11 is set between the first input shaft 2 and the first motor generator 4, the third input shaft 14 is set coaxially with the first input shaft 2, and multiple The third input shaft gear 141 (wherein, when the number of the third input shaft gear 141 is multiple, the plurality of third input shaft gears 141 are respectively 141a, 141b, 141c...), the plurality of third input shaft gears 141 can be rotated under the drive of the third input shaft 14, a plurality of third input shaft gears 141 meshes with a plurality of second countershaft driven gears 93 correspondingly, and the second countershaft driven gears 93 and the second countershaft 91 The...

no. 3 example

[0091] Such as image 3 As shown, in the third embodiment, the engine 1 and the first motor generator 4 are arranged on the same axis, the engine 1 is connected to the first input shaft 2 through the first transmission mechanism 3, and the first input shaft 2 is connected to the first motor generator The generator 4 is connected, and a plurality of first input shaft driving gears 22 are formed on the first input shaft 2, and a first clutch 11 is arranged between the plurality of first input shaft driving gears 22 and the first input shaft 2. An input shaft driving gear 22 meshes with a plurality of second countershaft driven gears 93 arranged on the second countershaft 91, and a first synchronizer is arranged between the second countershaft driven gears 93 and the second countershaft 91 10. The second countershaft driving gear 92 meshes with the output shaft gear 71, the second motor generator 5 is spaced apart from the first motor generator 4, the second motor generator 5 is ...

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Abstract

The invention discloses a power transmission system for a vehicle and the vehicle. The power transmission system comprises an engine, a first input shaft, a first motor generator, a second motor generator, a second input shaft and an output shaft, and the first input shaft is connected with an engine output shaft of the engine through a first transmission mechanism; the first motor generator is arranged to be linked with the first input shaft; the second input shaft is connected with the second motor generator; and the output shaft is selectively linked with the first input shaft or / and the second input shaft. Therefore, the production cost of the power transmission system can be effectively reduced, the occupied axial space of the first motor generator and the power transmission system issmaller, the space utilization rate of a cabin of the whole vehicle can be effectively increased, and the application range of the power transmission system is wider.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a power transmission system for a vehicle and the vehicle. Background technique [0002] In the prior art, a transmission consisting of dual motors, a simple gear mechanism, a clutch and a synchronizer can realize EV and series-parallel hybrid driving conditions, and can also realize power output in two gears. However, since the generator M1 is directly connected to the engine ENG, the torque requirement of the motor M1 is large, and the cost of the motor is high. In addition, under high-speed working conditions, the engine direct drive mode is mainly used, and the generator M1 is used in parallel with the engine ENG, which is sufficient to provide the parallel hybrid function at high speeds, but the driving motor M2 increases additional losses under high-speed working conditions. Contents of the invention [0003] The present invention aims to solve at least one of the techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/36B60K6/26B60K6/54B60K6/442
CPCB60K6/26B60K6/36B60K6/442B60K6/54Y02T10/62
Inventor 陈小江邵长志李旭何丽娜王江飞伍彬孟祥军
Owner HYCET TRANSMISSION SYST (JIANGSU) CO LTD BAODING RES & DEV BRANCH