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A single-mode two-gear power splitting hybrid transmission device of a commercial vehicle

A hybrid power and transmission technology, which is applied to the field of single-mode two-speed power split hybrid power transmission of commercial vehicles, can solve the problems of increased volume and weight of the transmission system, large motor torque, insufficient transmission ratio range, etc. Economy, improve transmission efficiency, improve the effect of vehicle economy

Inactive Publication Date: 2018-12-25
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For commercial vehicles, the transmission ratio range provided by the single-mode power split form is not enough, and a large motor torque is required, resulting in an increase in the volume and weight of the transmission system

Method used

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  • A single-mode two-gear power splitting hybrid transmission device of a commercial vehicle
  • A single-mode two-gear power splitting hybrid transmission device of a commercial vehicle
  • A single-mode two-gear power splitting hybrid transmission device of a commercial vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 As shown, the commercial vehicle single-mode two-speed power-split hybrid power transmission of this embodiment includes an input shaft 1, a mandrel 12 and an output shaft 13, the input shaft 1 is connected with the power-split planetary planetary carrier 5, and the power-split planetary array The sun gear 3 is connected with the rotor of the generator 2, the power split planetary gear ring gear 4 is connected with the left end of the mandrel 12, the right end of the mandrel 12 is connected with the output shaft 13 through the mandrel spline, and the output shaft 13 of the drive motor 6 is respectively It is connected with the input end of the clutch 11 and the sun gear 7 of the second-speed planetary transmission mechanism, the planet carrier 8 of the second-speed planetary transmission mechanism is connected with the output end of the clutch 11 and the output shaft 13 respectively, and the brake 10 is connected with the ring gear 9 of the second-speed ...

Embodiment 2

[0030] Such as figure 2As shown, this embodiment provides a single-mode two-speed power-split hybrid power transmission for a commercial vehicle. The difference between the single-mode two-speed power-split hybrid power transmission for a commercial vehicle in this embodiment and Embodiment 1 is that the drive motor 6 The output shaft 13 is fixedly connected with the mandrel 12 through the mandrel spline, and the mandrel 12 is respectively fixedly connected with the output ends of the sun gear 7 and the clutch 11 of the second-speed planetary transmission mechanism, so that the output of the ring gear of the power split planetary mechanism Both the torque and the torque of the driving motor 6 can be increased through the low gear of the second-speed planetary transmission mechanism, thereby increasing the output torque, meeting the heavy-duty working conditions of commercial vehicles, and having a simple structure and high efficiency.

[0031] In Embodiment 1 and Embodiment 2...

Embodiment 3

[0033] Such as image 3 As shown, this embodiment provides a commercial vehicle single-mode two-speed power-split hybrid power transmission device. The difference between the commercial vehicle single-mode two-speed power-split hybrid power transmission device in this embodiment and Embodiment 1 is that this embodiment In the commercial vehicle single-mode two-speed power-split hybrid transmission, the synchronizer 15 and the motor shift mechanism 14 are used to replace the brake 10 and the clutch 11 in the first embodiment, specifically: the input shaft 1 and the power-split planetary planetary carrier 5 The power split planetary sun gear 3 is connected with the generator 2 rotor, the power split planetary gear ring gear 4 is connected with the left end of the mandrel 12, the right end of the mandrel 12 is connected with the output shaft 13, and the output shaft of the drive motor 6 13 is connected with the sun gear 7 of the second-speed planetary transmission mechanism, the ...

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Abstract

A single-mode two-gear power-splitting hybrid transmission device for commercial vehicles Includes an input shaft, Mandrel and output shaft, the input shaft is connected with a power splitting planetary ranking star carrier, A sun gear of that pow splitting planetary row is connecte with the rotor of the generator, the power splitting planetary gear train is connected with one end of the mandrel,The other end of the mandrel is connected with the output shaft, the output shaft of the driving motor is respectively connected with the input end of the clutch and the sun gear of the second gear planetary transmission mechanism, the planet carrier of the second gear planetary transmission mechanism is respectively connected with the output end of the clutch and the output shaft, and the brake is connected with the gear ring of the second gear planetary transmission mechanism. The motor drivers are electrically connected to the generator stator, the drive motor stator and the battery pack, respectively. The single-mode two-gear power split hybrid transmission device of the commercial vehicle meets the requirements of large torque starting and wide transmission range of the commercial vehicle.

Description

technical field [0001] The invention relates to the technical field of power transmission devices, in particular to a commercial vehicle single-mode two-speed power split hybrid power transmission device. Background technique [0002] Hybrid transmission technology is an important means of energy saving and emission reduction for automobiles, and major automobile manufacturers are actively developing it. With the increasing pressure of environmental protection, the hybrid power transmission system of commercial vehicles will receive more and more attention. [0003] At present, the hybrid power system of commercial vehicles mostly adopts the series-parallel mode, the series mode is adopted at low speed, and the parallel mode is adopted at high speed, and the series and parallel modes are switched through the clutch. However, in the series working condition, since the power used by the engine is transmitted through the generator and the electric motor, the transmission effic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/365B60K6/547
Inventor 彭增雄胡纪滨荆崇波吴维周俊杰魏超
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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