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Power transmission system and vehicle with same

A technology of power transmission system and vehicle, applied in the field of power transmission system, can solve the problems of insufficient power and passing ability of the whole vehicle, low driving transmission efficiency, few driving modes, etc., so as to improve the passing ability and escape ability, and enrich the driving mode. , the direct effect of power transmission

Active Publication Date: 2018-05-08
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the relevant technologies known to the inventor, some hybrid electric vehicles have few driving modes and low drive transmission efficiency, which cannot meet the requirements of the vehicle to adapt to various road conditions, especially after the hybrid electric vehicle is fed (when the battery power is insufficient). Insufficient vehicle power and passing capacity
Moreover, in order to realize the parking power generation condition, it is necessary to additionally increase the transmission mechanism, which has low integration and low power generation efficiency

Method used

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  • Power transmission system and vehicle with same
  • Power transmission system and vehicle with same
  • Power transmission system and vehicle with same

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Embodiment Construction

[0014] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0015] On a hybrid vehicle, the vehicle can be equipped with multiple systems, for example, a power transmission system 1000, which can be used to drive the front wheels or rear wheels of the vehicle. The following uses the power transmission system 1000 to drive the front wheels of the vehicle as an example To describe in detail, of course, the power transmission system 1000 can also be combined with other drive systems to drive the rear wheels of the vehicle to rotate, so that the vehicle is a four-wheel drive vehicle, and the other systems can be the electric drive system 700 .

[0016] A power transmission system 1000 according to an embodiment of the present...

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Abstract

The invention discloses a power transmission system and a vehicle. The power transmission system includes a system power output part, a power source, a first motor generator unit and a mode conversiondevice; the first motor generator unit comprises a first motor generator and a unit coupling part, the unit coupling part is connected with an input end of the system power output part of the vehicle, and the first motor generator is selectively connected with the unit coupling part; the mode conversion device comprises an input part, a first conversion part, a second conversion part and an output part, the input part is selectively connected with the power source, the first conversion is connected with the input part and is selectively connected with the output part, the second conversion part is selectively connected with the input part and the output part, the output part is selectively connected with the unit coupling part and connected with the first motor generator, and therefore power output by the power source is suitable for being subjected to speed reduction through the input part and the second conversion part of the conversion device in sequence and output. In this way, the vehicle can adapt to different road conditions.

Description

technical field [0001] The present invention relates to the technical field of vehicles, in particular to a power transmission system of a vehicle and a vehicle with the power transmission system. Background technique [0002] With the continuous consumption of energy, the development and utilization of new energy vehicles has gradually become a trend. As one of the new energy vehicles, a hybrid vehicle is driven by an engine and / or an electric motor, and has multiple modes, which can improve transmission efficiency and fuel economy. [0003] However, in the related technologies known to the inventor, some hybrid electric vehicles have few drive modes and low drive transmission efficiency, which cannot meet the requirements of the vehicle to adapt to various road conditions, especially after the hybrid electric vehicle is powered (when the battery power is insufficient). The power and passing capacity of the whole vehicle are insufficient. Moreover, in order to realize the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/365B60K6/547B60K6/38B60L11/14B60L50/16
CPCB60K6/365B60K6/38B60K6/547B60L50/16Y02T10/7072
Inventor 凌和平翟震黄威徐友彬
Owner BYD CO LTD
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