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Electric vehicle controlling method and electric vehicle controlling device

A technology of electric vehicles and control methods, which is applied in the field of vehicle control, can solve the problems of low service life of batteries and rapid loss of battery capacity, and achieve the effects of prolonging service life, ensuring capacity, and reducing the number of charge and discharge times

Active Publication Date: 2018-04-17
QUZHOU COLLEGE OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the technical problems of low service life and fast battery capacity loss of electric vehicles in the process of applying V2G technology in the prior art, and provide a control method for electric vehicles and a control device for electric vehicles. The charging and discharging process of the electric vehicle battery is optimized and controlled, thereby reducing the consumption of battery charging and discharging, improving the service life of the battery, and reducing the loss of battery capacity

Method used

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  • Electric vehicle controlling method and electric vehicle controlling device
  • Electric vehicle controlling method and electric vehicle controlling device
  • Electric vehicle controlling method and electric vehicle controlling device

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Embodiment Construction

[0027] In order to overcome the technical problems of the battery charging and discharging times of the electric vehicle in the process of applying the V2G technology in the prior art, the service life of the battery is low, and the battery capacity loss is fast, the embodiment of the present invention provides a control method for an electric vehicle and a The electric vehicle control device optimizes the charging and discharging process of the battery of the electric vehicle, thereby reducing the consumption of battery charging and discharging, improving the service life of the battery, and reducing the loss of battery capacity.

[0028] The specific implementation manners of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation manners described here are only used to illustrate and explain the embodiments of the present invention, and are not intended ...

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Abstract

The invention discloses an electric vehicle controlling method. The electric vehicle controlling method is applicable to an electric vehicle controlling system. The electric vehicle controlling systemcomprises a power battery and a buffering battery. The controlling method comprises the steps of determining a current working mode of the power battery; when the current working mode of the power battery is an energy supplying mode, judging whether or not the buffering battery is in a full-electricity state, if not, controlling the power battery to charge the buffering battery in an optimal discharging mode, and on the condition that electric energy is stored in the buffering battery, controlling the buffering battery to provide electric energy for the outside; when the current working modeof the power battery is an energy-storage mode, judging whether the buffering battery is connected with an external power source or not, if yes, charging the buffering battery through the external power source, and on the condition that the electric energy is stored in the buffering battery, controlling the buffering battery to charge the power battery in an optimal charging mode. The invention further discloses an electric vehicle controlling device.

Description

technical field [0001] The invention relates to the field of automobile control, in particular to an electric automobile control method and an electric automobile control device. Background technique [0002] In modern society, electrical equipment mainly obtains electrical energy from the country's main power grid. In the actual application process, the utilization efficiency of the current power grid is not high, which is mainly reflected in two aspects, one is the cost of power generation, and the other is the operating cost of regulating the voltage and frequency of the power grid. Due to the temporality and regionality of power consumption, when the power consumption demand exceeds the power generation capacity of the base-load power plant, the peak-shaving power plant will be put into operation because the grid itself does not have enough power storage. And when grid demand is low, electricity consumption falls below the output of baseload power plants, and any electr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32B60L11/18
CPCB60L55/00H02J3/32Y02T10/70
Inventor 方晓汾郑丽辉
Owner QUZHOU COLLEGE OF TECH
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