Powertrain and vehicle having same

A power transmission system and vehicle technology, 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, low power generation efficiency, etc., so as to improve the passing ability and escape ability, and enrich the driving mode , compact structure

Active Publication Date: 2020-07-10
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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  • Powertrain and vehicle having same
  • Powertrain and vehicle having same
  • Powertrain and vehicle having same

Examples

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Embodiment Construction

[0011] 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.

[0012] 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 .

[0013] 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 with the same. The power transmission system includes an engine, a first motor generator unit, a second motor generator dynamically coupled directly or selectively with the engine, a system power output part, a first mode conversion device through which at least one of the engine and the first motor generator unit is coupled or disconnected with the system power output part, and a second mode conversion device through which the engine and the first mode conversion device can be dynamically coupled or disconnected, wherein the engine and the first mode conversion device are coupled by power through the second mode conversion device so that the power from the engine can be output to the first mode conversion device after speedreduction by the second mode conversion device. In this way, the driving mode of the vehicle can be enriched and 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 Patents(China)
IPC IPC(8): B60K6/44B60K6/547
CPCB60K6/44B60K6/547Y02T10/62
Inventor 廉玉波凌和平卢彩元翟震徐友彬
Owner BYD CO LTD
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