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Four-mode hybrid power drive device for heavy vehicles

A power transmission device and mode mixing technology, which is applied to the arrangement of multiple prime movers of power devices, pneumatic power devices, and general power devices, can solve the problems of difficult working conditions and small transmission ratio ranges, and achieve Small power, large transmission ratio range, and the effect of expanding the speed ratio range

Active Publication Date: 2017-09-29
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Toyota's hybrid THS hybrid system has a good fuel-saving effect. It uses a planetary mechanism for power splitting to ensure that the engine always works in the economical range. For the working condition requirements of heavy vehicles

Method used

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  • Four-mode hybrid power drive device for heavy vehicles
  • Four-mode hybrid power drive device for heavy vehicles
  • Four-mode hybrid power drive device for heavy vehicles

Examples

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Embodiment Construction

[0018] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0019] See attached figure 1 , a heavy-duty vehicle four-mode hybrid power transmission device, which includes: four planetary rows arranged coaxially, two sets of motors, three brakes, two clutches and a one-way clutch 21;

[0020] The four planetary rows include: the first planetary row consisting of the first ring gear 2, the first sun gear 4, and the first planet carrier 3, and the second planetary row consisting of the second ring gear 9, the second sun gear 7, and the second planet carrier 8 The second planetary row is composed of the third ring gear 22, the third sun gear 13, and the third planetary carrier 14. The third planetary row is composed of the fourth ring gear 17, the fourth sun gear 16, and the fourth planetary carrier 19. the fourth planetary row;

[0021] The two groups of motors are: the first motor and the second motor; the first mo...

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Abstract

The invention belongs to the technical field of hybrid power vehicles, and particularly relates to a hybrid power drive device. The four-mode hybrid power drive device for heavy vehicles comprises four planet rows arranged coaxially, two motors, three brakes, two clutches and a one-way clutch. The four planet rows form a power-splitting speed reduction mechanism, and four-mode power splitting can be achieved. Compared with single-mode power splitting, on one hand, the speed ratio range of the drive device can be expanded; on the other hand, the torque and power of the motors can be reduced, and the power density of the drive device can be improved. The two motors are arranged between the planet rows respectively, so that the structure is compact, supporting is easy, and the space of the ends of the motors is fully utilized. The process is simple; the needed power of the motors is small, a wide drive ratio range can be achieved, and the four-mode hybrid power drive device is suitable for the use conditions of heavy vehicles.

Description

technical field [0001] The invention belongs to the technical field of hybrid electric vehicles, in particular to a hybrid transmission device. Background technique [0002] Hybrid transmission technology is an important means of energy saving and emission reduction, and major automobile manufacturers are actively developing it. Toyota's hybrid THS hybrid system has a good fuel-saving effect. It uses a planetary mechanism for power splitting to ensure that the engine always works in the economical range. For the working conditions of heavy vehicles. [0003] The dual-mode power-split hybrid power transmission system can effectively utilize the two power-split modes of low speed and high speed. It has high efficiency throughout the whole process, requires less motor torque and power, and has a larger range of transmission ratios, which is more suitable for the working conditions of commercial vehicles. need. US2005 / 0137042A1 discloses a dual-mode hybrid power transmission ...

Claims

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Application Information

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IPC IPC(8): B60K6/365B60K6/40
CPCB60K6/365B60K6/40
Inventor 彭增雄胡纪滨魏超
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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