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Charging controller and control method thereof

A technology of charge controller and control method, which is applied in current collectors, electric vehicles, electrical components, etc., can solve the problems of thousands of households’ influence and quality cannot be guaranteed, and achieve the effect of reducing the influence

Active Publication Date: 2012-04-11
CHINA ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of large-scale electric vehicles poses new challenges to the grid system. The charging of electric vehicles will have a great impact on the grid, causing thousands of households to be affected to varying degrees
Assuming that when the electric vehicle is charging, when the grid frequency drops to 48Hz, the motor speed will drop by 4%, so the output of many industrial products will drop, and the quality cannot be guaranteed

Method used

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  • Charging controller and control method thereof
  • Charging controller and control method thereof
  • Charging controller and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] like figure 1 As shown, the charge controller provided by this embodiment includes a detection module, a communication module 1, a central control module, an AD conversion module and an output power control module; the central control module is connected with the communication module 1, the AD conversion module and the output power control module respectively ;The output power control module is connected to the charging device, and the AD conversion module is connected to the detection module and the public grid in turn;

[0035] The central control module is mainly used for the overall control of the controller, including the peripheral circuits of the core MCU, external memory expansion, etc.

[0036] The output power control module is different for the DC charging equipment and the AC charging equipment. For the AC charging equipment, the power output module communicates with the electric vehicle to issue the maximum output capacity of the current AC charging equipme...

Embodiment 2

[0055] The structure and principle of this embodiment and Embodiment 1 are basically the same, the difference is that the charging controller is installed in the charging device; the charging device is an AC charging pile; the specific steps are as follows:

[0056] (1) Install the charging controller in the charging equipment; the charging equipment is an AC charging pile.

[0057] (2) The monitoring system sets the reference value and deviation range of the charging equipment; if the monitoring system does not receive the reference value reflecting the connected grid, the controller uses the built-in standard value as the reference value.

[0058] (3) The user information identification module of the charging equipment identifies the information of the charger, and sends the information to the monitoring system;

[0059] The user information identification module of the charging equipment has the function of radio frequency card identification. The radio frequency card ident...

Embodiment 3

[0070] The structure and principle of this embodiment are basically the same as those of Embodiment 1 and Embodiment 2, except that when there is a communication failure between the monitoring system and the charging device, only the user information needs to be identified through the charging device. Specific steps are as follows:

[0071] (1) Install the charging controller in the charging equipment;

[0072] (2) The charging device identifies the information of the charger, saves the information after confirmation, and feeds the information back to the power output module, which stores the information;

[0073] (3) The detection module collects the frequency and voltage of the distribution network, and transmits the collected data to the central control unit, and the central control unit compares the collected data with a reference value, and controls the output power control module to output corresponding power;

[0074] (4) The communication module II sends the charging ...

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PUM

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Abstract

The invention discloses a charging controller and a control method thereof. The charging controller comprises a detection module, a communication module I, a central control module, an analogue-to-digital (AD) conversion module and an output power control module, wherein the central control module is respectively connected with the communication module I, the AD conversion module and the output power control module; and the AD conversion module is connected with the detection module. By the charging controller, the output power of charging equipment can be actually adjusted by the controller so that the influence on a power grid caused by charging electric vehicles is reduced, and simultaneously the controller can control charging strategies of the electric vehicles so as to serve power grid systems and users better. By the control method provided by the invention, the interaction between the electric vehicles and the power grid is realized very well.

Description

Technical field: [0001] The invention relates to the field of electric control, in particular to a charge controller and a control method thereof. Background technique: [0002] With the increasingly serious energy crisis and environmental crisis, the automobile industry has set off a new revolution. In order to reduce the pressure on the environment and energy from the use of automobiles, electric vehicles have become a hot spot for future development. However, the use of large-scale electric vehicles poses new challenges to the grid system. The charging of electric vehicles will have a great impact on the grid, causing thousands of households to be affected to varying degrees. Assuming that when the electric vehicle is charging, when the grid frequency drops to 48Hz, the motor speed will drop by 4%, so the output of many industrial products will drop, and the quality cannot be guaranteed. Therefore, it is very important to ensure the stable operation of the power system. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
Inventor 李武峰李晓强严辉李索宇
Owner CHINA ELECTRIC POWER RES INST
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