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A method and device for dynamic allocation of electric vehicles and charging piles

A dynamic distribution, electric vehicle technology, applied in electric vehicle charging technology, electric vehicles, charging stations, etc., can solve the problem of undistributed power between electric vehicles and charging piles, affecting the charging efficiency of charging piles, etc., so as to reduce the waiting time for charging. , to achieve the effect of dynamic matching and avoid waste of resources

Active Publication Date: 2022-07-26
STATE GRID ZHEJIANG ELECTRIC POWER CO LTD HANGZHOU POWER SUPPLY CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional charging stations usually assign charging piles to electric vehicles in a random allocation method, which is prone to the problem of unallocated power between electric vehicles and charging piles, which affects the charging efficiency of charging piles

Method used

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  • A method and device for dynamic allocation of electric vehicles and charging piles
  • A method and device for dynamic allocation of electric vehicles and charging piles
  • A method and device for dynamic allocation of electric vehicles and charging piles

Examples

Experimental program
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Effect test

Embodiment 1

[0054] like figure 1 As shown, the present invention proposes a dynamic allocation method for electric vehicles and charging piles, including:

[0055] S1: Obtain the charging request of the electric vehicle, and obtain the estimated charging time and charging power of the electric vehicle according to the charging request.

[0056] The charging request includes the charging voltage, charging current, total battery capacity and remaining power of the power battery on the electric vehicle. Wherein, the remaining power is obtained by calculating the ratio of the traveled mileage of the electric vehicle to the preset maximum mileage, that is, the calculation formula of the remaining power S is:

[0057]

[0058] L is the mileage of the electric vehicle, obtained from the odometer of the electric vehicle; L 0 The preset maximum mileage of the electric vehicle is the fixed factory parameter of the electric vehicle. In this embodiment, the remaining power S is in the form of a...

Embodiment 2

[0081] like figure 2 As shown, the present invention proposes a dynamic distribution device 5 between an electric vehicle and a charging pile, comprising:

[0082] Obtaining unit 51: used to obtain the charging request of the electric vehicle, and obtain the estimated charging time and charging power of the electric vehicle according to the charging request.

[0083] The charging request includes the charging voltage, charging current, total battery capacity and remaining power of the power battery on the electric vehicle. Wherein, the remaining power is obtained by calculating the ratio of the traveled mileage of the electric vehicle to the preset maximum mileage, that is, the calculation formula of the remaining power S is:

[0084]

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Abstract

The present invention provides a method and device for dynamic allocation of electric vehicles and charging piles. The dynamic allocation method includes: acquiring a charging request of an electric vehicle, obtaining an estimated charging time and charging power of the electric vehicle according to the charging request; Whether there is reservation information, assign a priority to the electric vehicle according to the judgment result; based on the assigned priority, select the charging pile that matches the charging power of the electric vehicle from the available charging piles according to the matching strategy; According to the matching result and the estimated charging time , to update the availability of charging piles. Based on the charging performance of the electric vehicle itself, the charging piles that can meet the charging power of the electric vehicle are screened out, which avoids the waste of charging pile resources. Timely charging, reducing the waiting time for charging.

Description

technical field [0001] The invention belongs to the field of charging pile allocation, and in particular relates to a dynamic allocation method and device for an electric vehicle and a charging pile. Background technique [0002] With the increasing share of electric vehicles in the market, in order to meet the charging needs of various types of electric vehicles, charging stations have established a certain number of charging piles with different output powers to meet the charging needs of electric vehicles of different powers. . The charging time depends on the remaining power of the power battery (State of Charge, SOC) and the power distribution between the electric vehicle and the charging pile. It is not that the higher the power of the charging pile, the better. This will result in a waste of charging pile resources. If the power of the charging pile is far less than the required power of the electric vehicle, the charging time will be too long and the charging effici...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L53/66
CPCB60L53/66Y02T10/70Y02T10/7072Y02T90/12Y02T90/16
Inventor 王伟福金正军宋书轩吴梦遥
Owner STATE GRID ZHEJIANG ELECTRIC POWER CO LTD HANGZHOU POWER SUPPLY CO
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