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Electric vehicle charging control method and system

A charging control method and charging control technology, applied in electric vehicle charging technology, electric vehicles, electric traction, etc., can solve problems affecting the life of power batteries, reduce the impact of power battery life, meet driving needs, and control flexibly Effect

Active Publication Date: 2015-12-30
BEIJING ELECTRIC VEHICLE
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] However, in the current charging control of the power battery, by default, the power battery will automatically stop charging to the charging cut-off voltage, regardless of the travel or power demand, which often affects the life of the power battery, so for the power battery The charging control needs to be further optimized

Method used

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  • Electric vehicle charging control method and system
  • Electric vehicle charging control method and system
  • Electric vehicle charging control method and system

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Embodiment Construction

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. 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.

[0026] A charging control method and a charging control system for an electric vehicle according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0027] Firstly, the charging control method of an electric vehicle according to the embodiment of the present invention will be described. figure 1 is a flowchart of a charging control method for an electric vehicle according to an embodiment of the present invention.

[0028] like figure 1 As shown, the charging control ...

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Abstract

The invention discloses an electric vehicle charging control method. The method comprises the steps of receiving charging control command information, and determining the charging mode and the charging current control mode according to the charging control command information; obtaining charging stop SOC according to the charging mode, and determining charging current according to the charging current control mode; conducting charging control on a power supply unit and a power battery of an electric vehicle according to the charging stop SOC and the charging current. By the adoption of the method, the service life of the power battery can be prolonged. The invention further discloses an electric vehicle charging control system.

Description

technical field [0001] The invention belongs to the technical field of automobiles, and in particular relates to a charging control method and a charging control system of an electric vehicle. Background technique [0002] In the field of new energy vehicles and electric energy storage equipment, the recyclable life of power batteries will vary greatly at different charging depths. For example, if the power battery is often charged and discharged in the way of shallow charge and shallow discharge during use, the life of the power battery will be significantly extended, and the life of the power battery will be reduced sharply if it is charged and discharged with full charge and deep discharge. Furthermore, during the use of electric vehicles, there will be demand for long-distance travel and short-distance travel. Under the demand for short-distance travel, the power battery should meet the conditions of shallow charging and shallow discharge to maximize battery life. There...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L11/18
CPCY02T10/70Y02T10/7072Y02T90/12Y02T90/16
Inventor 王少辉代康伟
Owner BEIJING ELECTRIC VEHICLE
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