System and method for driving assistance of electric vehicle

Abstract

The invention discloses a system and a method for driving assistance of an electric vehicle, and relates to the field of electric vehicles. The system for the driving assistance of the electric vehicle comprises a battery management unit, a vehicle control unit and a GPS (global position system) unit. The battery management unit is used for detecting current residual capacity value of the battery when destination of the vehicle is set; the vehicle control unit is used for obtaining a residual mileage value according to the current residual capacity value of the battery; and the GPS unit is used for obtaining current position information of the vehicle, receiving destination information transmitted by the battery management unit, transmitting the current position information and the destination information to an information network center, and receiving the information of current position and road condition of destination feedback from the information network center. Corresponding driving circuits are worked out after comparison of the road information, the residual mileage value and location information of a charging station stored in the GPS unit and pre-stored condition. By design of the system for the driving assistance, the vehicle getting into the trouble of charging depleting and failure in moving before arriving in the destination or the charging station is avoided.

Description

technical field [0001] The invention relates to the field of electric vehicles, in particular to a driving assistance system and method for electric vehicles. Background technique [0002] Due to the pressure of the environment and resources, the development of electric vehicles has received widespread attention at home and abroad. Electric vehicles can only use batteries as a source of electrical energy. Once the battery's power is exhausted, the electric vehicle will stop and cannot continue to move forward. [0003] With the vigorous development of electric vehicles, the network of electric vehicle charging stations has gradually begun to develop, but under the current conditions, they still cannot be spread all over the place like gas stations. Although the network of charging stations is becoming more and more perfect, due to the lack of popularization of charging stations, car owners still need to judge the following two issues when driving: whether the distance betwe...

AI Technical Summary

Problems solved by technology

Electric vehicles can only use batteries as a source of electrical energy. Once the battery is exhausted, the electric vehicle will stop and cannot continue to move forward.

[0003] With the vigorous development of electric vehicles, the network of electric vehicle charging stations has gradually begun to develop, but under the current conditions, they still cannot be spread all over the place like gas stations

Although the network of charging stations is becoming more and more perfect, due to the lack of popularization of charging stations, car owners still need to judge the following two issues when driving: whether the distance between the location and the destination is not greater than the mileage that can be completed by the remaining power, or whether Arrive at the charging station halfway to recharge before the battery runs out

[0004] Before charging stations became as ubiquitous as gas stations, most drivers feared that their batteries would suddenly run out of power on the road, a belief that held back EV sales.

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