A kind of energy control method of electric vehicle power lithium battery pack

Abstract

The invention relates to an energy control method for a power lithium battery pack of an electric vehicle. The method comprises the steps in the following sequence: the vehicle body controller ECU clears the mileage when charging, and after the charging is completed, the vehicle body controller ECU calculates the electric quantity of the battery pack, At the same time, the driver sets the mileage before driving the vehicle; the body controller ECU judges whether the battery pack can support the set mileage. After the set mileage ends, the next cycle starts again. The present invention controls the energy use of the power lithium battery pack through reasonable distribution, so that the electric energy of the power lithium battery pack in the electric vehicle can be reasonably utilized, prolonging the mileage of the electric vehicle, and reducing the price on the basis of the electric vehicle The number of expensive power lithium batteries greatly reduces the cost of the vehicle and facilitates the promotion and application of the vehicle.

Description

technical field [0001] The invention relates to the field of electric vehicles, in particular to an energy control method for a power lithium battery pack of an electric vehicle. [0002] Background technique [0003] With the increasing greenhouse gas emissions and climate change, the application of electric vehicles has been paid more attention and recognition by the whole society. However, the promotion and application of electric vehicles is still restricted by the energy of their own power lithium battery packs, which cannot meet the daily demands of urban traffic. mileage requirements. Under the condition of the charging characteristics of the current lithium battery, fast charging cannot be implemented, and each charging takes 5 to 8 hours, which is limited by the charging time, which makes the promotion of electric vehicles difficult. Contents of the invention [0004] The object of the present invention is to provide an energy control method for the electric veh...

AI Technical Summary

Problems solved by technology

[0003] With the increasing greenhouse gas emissions and climate change, the application of electric vehicles has been paid more attention and recognition by the whole society. However, the promotion and application of electric vehicles is still restricted by the energy of their own power lithium battery packs, which cannot meet the daily demands of urban traffic. mileage requirements

Under the current charging characteristics of lithium batteries, fast charging cannot be implemented, and each charging takes 5 to 8 hours, which is limited by the charging time, which makes it difficult to promote electric vehicles.

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