Hybrid electric vehicle power transmission system and power transmission method thereof

A technology of power transmission system and hybrid electric vehicle, which is applied to the arrangement of multiple different prime movers, power plant, pneumatic power plant, etc. problems, to achieve the effect of compact axial size, low cost and low technical difficulty

Active Publication Date: 2020-08-07
DONGFENG MOTOR CORP HUBEI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In order to achieve multiple gears and multiple working modes in existing hybrid electric vehicles, the powertrain has the problems of many parts, complex systems, and high cos

Method used

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  • Hybrid electric vehicle power transmission system and power transmission method thereof

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments to facilitate a clear understanding of the present invention, but they do not limit the present invention.

[0017] Such as figure 1 As shown, the present invention includes an engine 1, a gearbox, a torsional damper 2, a motor output shaft 11 and a motor 10, the gearbox includes an input shaft 3 and an output shaft 21, and the input shaft 3 and the torsional damper 2 The driven end is fixedly connected; the first driving gear 4 and the second driving gear 6 are set empty on the input shaft 3, and both the first driving gear 4 and the second driving gear 6 have engaging ring gears, and the first bilateral synchronizer 5 Located between the first driving gear 4 and the second driving gear 6, and connected to the input shaft 3, the input shaft 3 and the first driving gear 4 and the second driving gear are realized through the left and righ...

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Abstract

The invention discloses a hybrid electric vehicle power transmission system and a power transmission method thereof. The system comprises an engine, a gearbox, a torsion damper, a motor output shaft and a motor, the gearbox comprises an input shaft and an output shaft, and the input shaft is fixedly connected with the driven end of the torsion damper; the input shaft is sleeved with a first driving gear and a second driving gear in a spaced mode. The first driving gear and the second driving gear are each provided with a joint gear ring, the first bilateral synchronizer is located between thefirst driving gear and the second driving gear and connected with the input shaft, and the input shaft is connected with or separated from the first driving gear and the second driving gear through left-right movement of a joint sleeve of the first bilateral synchronizer. The problem of power interruption in the gear shifting process of the gearbox is solved, and meanwhile four-gear engine driving, three-gear pure electric driving, two-mode parking power generation and engine starting are achieved.

Description

technical field [0001] The invention belongs to the technical field of hybrid electric vehicle power assembly, and in particular relates to a hybrid electric vehicle power transmission system and a power transmission method thereof. Background technique [0002] In order to realize multiple gears and multiple working modes in existing hybrid electric vehicles, the powertrain has the problems of many parts, complicated system and high cost. Part of the hybrid power transmission system reduces the number of parts and costs by sharing the shaft teeth between the engine and the drive motor, but there is a power interruption phenomenon during the shifting process. Contents of the invention [0003] The object of the present invention is to provide a hybrid electric vehicle power transmission system and a power transmission method thereof in order to solve the above-mentioned shortcomings in the background technology. Realize functions such as four-speed engine drive, three-spe...

Claims

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Application Information

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IPC IPC(8): B60K6/36B60K6/547
CPCB60K6/36B60K6/547
Inventor 严军周立王德伟吴伟邓强
Owner DONGFENG MOTOR CORP HUBEI
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