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Charging method and charging device for electric vehicle

An electric vehicle and charging method technology, applied in electric vehicle charging technology, electric vehicles, battery/fuel cell control devices, etc., can solve the problems of inaccurate battery SOC estimation and falsehood, avoid SOC value deviation, and reduce battery polarity. to avoid the effect of insufficient cruising range

Active Publication Date: 2019-09-06
XIAN TGOOD INTELLIGENT CHARGING TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a charging method and a charging device for an electric vehicle, which can reduce or even avoid the SOC value deviation

Method used

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  • Charging method and charging device for electric vehicle
  • Charging method and charging device for electric vehicle
  • Charging method and charging device for electric vehicle

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Experimental program
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Embodiment Construction

[0069] figure 1 It is a flow chart of Embodiment 1 of the charging method for electric vehicles of the present invention, and the charging method for electric vehicles of this embodiment includes:

[0070] Step S10. Obtain the battery parameter information of the electric vehicle in real time;

[0071] Step S20. Determine whether the battery SOC is accurate according to the battery parameter information, and if not, perform the next step;

[0072] Step S30. Perform flexible charging on the battery of the electric vehicle.

[0073] Preferably, in the electric vehicle charging method of the present invention, between step S20 and step S30, it may further include: outputting prompt information for entering flexible charging. That is, when flexible charging is about to start, the user is informed that the electric vehicle needs flexible charging to ensure the cruising range of the battery. The notification method can be through the APP of the user's mobile terminal or the man-ma...

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Abstract

The invention relates to a charging method and device for an electric vehicle. The charging method for the electric vehicle comprises the following steps that (1) battery parameter information of the electric vehicle is obtained in real time; (2) whether battery SOC is accurate or not is judged according to the battery parameter information, and if not, the next step is conducted; (3) a battery of the electric vehicle is flexibly charged. By adoption of the charging method and device for the electric vehicle, the problems, existing in the prior art, of battery SOC estimation and indistinguishableness caused in quick charging of the electric vehicle by a direct current charging device are solved, and active recovery is conducted through a flexible charging strategy, deviation of the SOC value can be decreased even eliminated, so that the situation that the endurance mileage of the electric vehicle is insufficient or the electric vehicle breaks down on the way due to the fact that the deviation of the SOC is too large is avoided, and user experience is improved.

Description

technical field [0001] The invention relates to the technical field of electric vehicle charging, in particular to a charging method and a charging device for an electric vehicle. Background technique [0002] In recent years, the electric vehicle industry has developed rapidly and has been widely used in the field of public transportation. With the gradual maturity of technology and market, it is gradually being promoted and applied in the fields of logistics and private cars, and its popularity is getting higher and higher. [0003] Charging infrastructure is one of the key factors for the widespread development and promotion of electric vehicles. In order to ensure the compatibility of charging facilities, national standards are being gradually improved. According to the current national standard for electric vehicle charging, most of the charging equipment on the market output voltage and current to charge the battery according to the demand of BMS (Battery Management Sy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L53/00B60L58/12
CPCB60L53/60B60L58/13Y02T10/70Y02T10/7072Y02T90/12Y02T90/14
Inventor 黄炎袁庆民茹永刚
Owner XIAN TGOOD INTELLIGENT CHARGING TECH CO LTD
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