Charging method, system and charging device for electric vehicle

A technology for electric vehicles and charging equipment, applied in the direction of electric vehicle charging technology, electric vehicles, charging stations, etc., can solve the problems of signal instability and dissatisfaction, and achieve the effect of avoiding direct communication

Active Publication Date: 2018-10-16
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the prior art, it is necessary for the electric vehicle to communicate directly with the charging equipment, especially during AC charging, the electric

Method used

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

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Embodiment Construction

[0024] 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.

[0025] The electric vehicle charging method, system and charging equipment according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0026] figure 1 It is a schematic flowchart of an electric vehicle charging method provided by an embodiment of the present invention.

[0027] In the prior art, when AC charging an electric vehicle, the electric vehicle needs to send PWM waves to the charging equipment, so that the charging equipment can obtain the charging informa...

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PUM

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Abstract

The invention provides a charging method, system and charging device for an electric vehicle. The charging method comprises the following steps that the to-be-charged electric vehicle is identified bythe charging device; and when the electric vehicle is charged, the charging device obtains charging information of the electric vehicle from a vehicle server of the electric vehicle through a charging device server, so that direct communication between the electric vehicle and the charging device is avoided, and meanwhile, the charging information of the electric vehicle is obtained by the charging device.

Description

technical field [0001] The invention relates to the technical field of vehicle charging, in particular to an electric vehicle charging method, system and charging equipment. Background technique [0002] When charging equipment such as charging piles is charging electric vehicles, in order to facilitate users to know relevant charging information such as the remaining charging time in a timely manner, the charging equipment often monitors the relevant data of the electric vehicle power battery to calculate and display the remaining charging time. [0003] In the prior art, in order to obtain relevant charging information, the charging device needs to communicate with the electric vehicle. During DC charging, the charging device communicates with the electric vehicle through a Controller Area Network (CAN) bus to obtain charging information. During AC charging, there is no CAN bus on the AC charging equipment, and the CAN bus cannot be used to communicate with the electric v...

Claims

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Application Information

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IPC IPC(8): B60L11/18
CPCB60L53/60B60L53/65Y02T90/16Y02T90/167Y02T10/70Y02T90/12Y02T10/7072Y04S30/12Y04S30/14
Inventor 卓颖邢骁任欢欢马爱国王洪军
Owner BYD CO LTD
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