Battery heat management device of new energy car

Abstract

The invention discloses a battery heat management device of a new energy car. The battery heat management device comprises a base installing a battery, a protective box with an opening lower end, a first gas inlet pipeline, a second gas inlet pipeline, and a third gas inlet pipeline, wherein the base comprises a flat box body with an opening lower end and a bottom board connected at the bottom endof the box body, vent holes are distributed outside a groove in the upper end surface of the box body, one end of the first gas inlet pipeline is communicated with a cavity of the box body, the otherend thereof is provided with a gas collection hood, the first gas inlet pipeline is provided with a valve, a large port end of the gas collection hood faces the front of the car, one end of the second gas inlet pipeline is communicated with the cavity of the box body, the other end thereof is connected with a gas outlet of a fan, one end of the third gas inlet pipeline is communicated with the cavity of the box body, and the other end thereof is communicated with a gas outlet tube of a car air conditioner. The battery heat management device can effectively manage battery heat, makes the battery work in proper temperature range, and ensures that the battery has normal work performance and service life.

Description

technical field [0001] The invention relates to the field of new energy vehicle battery auxiliary devices, in particular to a new energy vehicle battery thermal management device. Background technique [0002] New energy vehicles refer to all other energy vehicles except gasoline and diesel engines, including pure electric vehicles, fuel cell vehicles, hybrid vehicles, hydrogen energy vehicles and solar vehicles, among which pure electric vehicles and hybrid vehicles are the most common. For an electric vehicle, its power battery is one of its most core components. Different ambient temperatures have a great impact on the charging and discharging performance of the power battery. Too high or too low ambient temperature will affect the normal use of the power battery, resulting in a reduction in the battery life and service life. The power battery of electric vehicles is more expensive, and the unsuitable ambient temperature around the power battery will lead to a significan...

AI Technical Summary

Problems solved by technology

Different ambient temperatures have a great impact on the charging and discharging performance of the power battery. Too high or too low ambient temperature will affect the normal use of the power battery, resulting in a reduction in the battery life and service life.

The power battery of electric vehicles is more expensive, and the unsuitable ambient temperature around the power battery will lead to a significant increase in the use of electric vehicles, which is not conducive to the promotion and use of electric vehicles. Therefore, ensure that the ambient temperature around the power battery of electric vehicles is within a reasonable range It is very important to promote the use of electric vehicles to ensure that the power battery has normal working performance and service life.

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