Electric vehicle battery winter charging automatic temperature increasing device

Abstract

The invention discloses an electric vehicle battery winter charging automatic temperature increasing device. The electric vehicle battery winter charging automatic temperature increasing device comprises a heating wire and an aluminum plate; a surface of the heating wire is coated with an aluminum film; the aluminum film is adhered to the surface of the heating wire, and fixes the heating wire onthe aluminum plate; a power supply is arranged outside the heating wire; a superheat temperature switch is arranged between the power supply and the heating wire; one end of the heating wire is connected to a positive pole of the power supply through the superheat temperature switch; the other end of the heating wire is provided with a relay switch and a coil; the other end of the heating wire isconnected to a negative pole of the power supply through the relay switch and the coil; a sensor is arranged among the heating wires; a microcomputer digital temperature controller is arranged outsidethe sensor; and a transformer is arranged between the power supply and the microcomputer digital controller. According to the invention, through coating a temperature compensation device on the outside of the battery, the battery is effectively kept to charge between 20 to 30 degrees centigrade, so as to ensure the battery charge quantity and ensure the normal running of the vehicle.

Description

technical field [0001] The invention relates to a charging device, in particular to an automatic heating device for electric vehicle battery charging in winter. Background technique [0002] The use of electric vehicles in daily life is very common. The battery of electric vehicles in the prior art is not equipped with a temperature compensation device. When the temperature is low in winter, the charging capacity is greatly reduced and the travel becomes shorter. Even in the next summer, it cannot be restored. The storage battery is damaged, making its life shorten; therefore, a kind of automatic temperature control charging device for lead storage battery that can carry out temperature compensation has become a problem to be solved urgently by the whole society. Contents of the invention [0003] The technical problem to be solved by the present invention is that the electric vehicle in the prior art presents problems such as a greatly reduced charging capacity at low tem...

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the electric vehicle in the prior art exhibits problems such as a greatly reduced charging capacity at low temperature in winter

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