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Novel temperature control system for power battery pack of electric vehicle

A technology of power battery pack and temperature control system, applied in secondary batteries, circuits, electrical components, etc., can solve the problems of uneven temperature distribution, affecting the charging and discharging performance and life of the battery pack, and achieve the effect of effectively utilizing solar energy

Inactive Publication Date: 2010-12-08
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Uneven temperature distribution will also affect the charging and discharging performance and life of the battery pack

Method used

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  • Novel temperature control system for power battery pack of electric vehicle
  • Novel temperature control system for power battery pack of electric vehicle
  • Novel temperature control system for power battery pack of electric vehicle

Examples

Experimental program
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Embodiment Construction

[0009] The invention provides a novel electric vehicle power battery pack temperature control system. figure 1 Shown is a schematic diagram of the temperature control system of the new electric vehicle power battery pack. In the figure, the solar panel 1 is covered on the roof of the vehicle to collect solar energy; the solar panel 1 is respectively connected to the battery 6 and the DC-DC converter 3 through the controller 2, and the DC-DC converter 3 is connected to the battery radiator 5 and the battery radiator 5. The storage battery 6 is integrated together; the battery management system 4 is connected to the storage battery and the storage battery radiator 5 respectively. The battery is used to store electrical energy; the battery radiator is used to dissipate heat.

[0010] The specific working conditions are as follows. Firstly, the solar panel converts solar energy into electric energy. When the temperature of the battery pack is too high, the battery pack radiator u...

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PUM

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Abstract

The invention belongs to a temperature control system for a power battery pack of an electric vehicle, and in particular relates to the novel temperature control system for the power battery pack of the electric vehicle applied to the power battery pack of the electric vehicle. A solar panel covers a vehicle roof and is respectively connected with a storage battery and a DC-DC converter through a controller; the DC-DC converter is connected with a storage battery radiator; and a battery management system and the storage battery are connected with a battery management system respectively. The battery pack radiator of the invention starts to work by using the electric energy converted from solar energy, so the temperature of the solar pack is reduced to a normal range, the overall system converts the collected solar energy into the electric energy and completely stores the electric energy into the power battery pack; and therefore, the solar energy is effectively utilized.

Description

technical field [0001] The invention belongs to a temperature control system for a power battery pack of an electric vehicle, in particular to a novel temperature control system for a power battery pack of an electric vehicle applied to a power battery pack for an electric vehicle. Background technique [0002] The power battery pack is an important part of electric vehicles. During the charging and discharging process, the battery itself will generate heat, which will cause the temperature to rise, and the power battery is sensitive to the temperature environment, especially when it is used as a large-capacity, high-power power battery, too high or too low temperature will greatly increase the temperature. It affects the charging and discharging performance of the battery and many characteristic parameters, such as internal resistance, voltage, SOC, available capacity, charging and discharging efficiency and battery life. Uneven temperature distribution will also affect th...

Claims

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Application Information

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IPC IPC(8): H01M10/50B60H1/00H01M10/613H01M10/625
CPCY02E60/10
Inventor 仇斌黄勇陈全世江发潮
Owner TSINGHUA UNIV
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