Intelligent power regulating circuit and method of charging equipment

A charging equipment, intelligent adjustment technology, applied in charging stations, electric vehicle charging technology, electric vehicles and other directions, to achieve the effect of fast charging and saving investment

Active Publication Date: 2016-12-14
NARI TECH CO LTD +3
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  • Claims
  • Application Information

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Problems solved by technology

[0006] Purpose of the invention: In order to solve the problem of charging distribution management of multiple electric vehicles with d

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  • Intelligent power regulating circuit and method of charging equipment
  • Intelligent power regulating circuit and method of charging equipment

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[0018] The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0019] The intelligent power adjustment method of the charging device includes the following steps:

[0020] (1) such as figure 1 As shown, extract the initial charging time of an electric vehicle, calculate the charging duration according to the initial charging time, extract the daily mileage of the electric vehicle, calculate the SOC of the electric vehicle, calculate the electric vehicle load based on the Monte Carlo method, and draw the load curve.

[0021] (2) Draw the load curve of multiple electric vehicles of the same type according to step (1), and judge whether the load curve converges, if the load curve converges, output the load curve, if not, repeat the operation step (1).

[0022] (3) Determine the maximum output power of the entire charging station according to the electric vehicle load curve, and each terminal charging device uses the analytic hiera...

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Abstract

The invention discloses an intelligent power regulating circuit and method of charging equipment. The method comprises the steps that firstly, the state of charge (SOC) of electric vehicles and loads of the electric vehicles are worked out, and load curves are drawn; by drawing the load curves of the multiple electric vehicles of the same type, whether the load curves are astringed or not is judged, if the load curves are astringed, the load curves are output, and if the load curves are not astringed, the operations are carried out repeatedly; and according to the load curves of the electric vehicles, the maximum output power of a whole charging station is determined, a decision model is established for all terminal charging equipment through the analytic hierarchy process according to the SOC of the electric vehicles, the charging process is divided into an energy supplement stage, a power maintaining stage and a low current supplement stage, and powers of all charging ports are distributed dynamically. By the adoption of the intelligent power regulating circuit and method, the charging loads of the electric vehicles can be forecast effectively, orderly charging control is achieved by sufficiently using a charger, flexible and rapid charging of the electric vehicles is guaranteed, and meanwhile, regional load monitoring is also taken into account.

Description

technical field [0001] The invention belongs to the field of electric vehicles, and in particular relates to an intelligent power adjustment method for charging equipment. Background technique [0002] Electric vehicles refer to vehicles powered by batteries, fuel cells or supercapacitors, all or part of which are driven by electric motors. They are the fusion product of electrification and automobiles. Electric vehicles can be broadly divided into the following three types, namely hybrid electric vehicles, fuel cell electric vehicles and pure electric vehicles. A hybrid electric vehicle refers to a vehicle that is equipped with more than two power sources (such as batteries, fuel cells, internal combustion engines, etc.), including motor-driven vehicles that comply with road traffic safety regulations. At present, the plug-in hybrid electric vehicle is widely used to drive the electric motor with the battery after it is fully charged. After the battery on the vehicle is us...

Claims

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Application Information

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IPC IPC(8): B60L11/18
CPCB60L53/60Y02T10/70Y02T10/7072Y02T90/12
Inventor 夏华赵翔耿群锋何胜利吕晓荣惠琪戴敏肖伟焦隆
Owner NARI TECH CO LTD
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