Hybrid vehicle working mode switching method and hybrid power vehicle

A hybrid vehicle, working mode technology, applied in the field of vehicles to achieve the effect of improving the level of economy and reducing fuel consumption

Active Publication Date: 2021-08-31
CHINA FIRST AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing disclosed technology, the control of the working mode switching conditions focuses on the dynamic performance of the vehicle, and the typical feature is based on the current acceleration of the vehicle, the opening of the accelerator pedal, the required power and the maximum acceleration of the vehicle, the throttle limit and the benchmark The switching conditions of the working mode determined by the comparison of power, but for economical considerations, there are few descriptions in the prior art

Method used

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  • Hybrid vehicle working mode switching method and hybrid power vehicle
  • Hybrid vehicle working mode switching method and hybrid power vehicle
  • Hybrid vehicle working mode switching method and hybrid power vehicle

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Embodiment Construction

[0060] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0061] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention relates to the technical field of vehicles, and particularly discloses a hybrid vehicle working mode switching method which comprises the following steps: respectively measuring the power of an engine in a series working mode and a parallel working mode based on the power of the whole vehicle; then testing the series minimum specific fuel consumption and the parallel specific fuel consumption based on the power of the engine, and drawing a series vehicle fuel consumption characteristic map and a parallel vehicle fuel consumption characteristic map according to different vehicle power test results, during actual running of the vehicle, determining the switching condition of the working modes of the hybrid power vehicle according to the series-connection whole vehicle fuel consumption characteristic atlas and the parallel-connection whole vehicle fuel consumption characteristic atlas. According to the method, starting from the angle of specific fuel consumption of an engine, the working mode with low fuel consumption of the engine in the parallel-connection working mode and the series-connection working mode can be selected, and maximum efficacy of the high efficiency zone of the egine is realized, and thus the fuel consumption of the whole vehicle is reduced, and the economical level of the whole vehicle is improved.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a hybrid vehicle working mode switching method and the hybrid vehicle. Background technique [0002] Energy and environmental issues are becoming more and more prominent, and the lack of storage battery technology and charging technology facilities makes the research and application of hybrid electric vehicles more and more extensive. Hybrid vehicles have multiple working modes, and the energy transmission chains and torque transmission paths of different working modes are different, and their power performance, economic performance, and driving performance are all different. Give full play to the advantages of each working mode, and carry out at the right time. Hybrid working mode switching can give full play to the biggest advantages of hybrid vehicles, therefore, the control of hybrid working mode switching conditions is particularly important. [0003] In the prior art, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W20/20B60W20/15B60W40/00
CPCB60W20/20B60W20/15B60W40/00B60W2520/10B60W2520/30
Inventor 杨云波赵鹏遥钟云锋任亚为陈国栋武斐王昊
Owner CHINA FIRST AUTOMOBILE
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