Battery pack

A battery pack and battery module technology, applied in secondary batteries, battery temperature control, circuits, etc., can solve the problems of poor heat uniformity of battery packs, unsatisfactory heat dissipation effects, and unsatisfactory heat dissipation effects of heat dissipation air ducts, etc., to avoid heat dissipation Slow, achieve uniform effect

Inactive Publication Date: 2010-08-18
TIANJIN ENERGIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the difference in the location of each battery module in the battery pack, the actual cooling effect of the cooling air duct is not ideal
The unsatisfactory heat dissipation effect is mainly manifested in the poor heat uniformity of the battery pack

Method used

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] The invention discloses a battery pack to realize the distribution uniformity of each battery module of the battery pack and ensure that each battery module is used in the same environment.

[0021] see Figure 1-Figure 3 , figure 1 Schematic diagram of the structure of the battery pack provided by the embodiment of the present invention, figure 2 A schematic structural diagram of a battery pack provided in another embodiment of the present invention...

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Abstract

The embodiment of the invention discloses a battery pack of which each battery module monolayer is arranged in sequence to form a geometric figure. By successively arranging each battery module monolayer of the battery pack into a closed figure in the embodiment of the invention, uniformity in structure arrangement for each battery module of the battery pack is realized, thus ensuring each battery module to be used in the same environment. Compared with the prior art, the defect of non-uniform radiation caused by that the battery module in the centre of the existing battery pack radiates slowly while the surrounding battery modules radiate quickly is avoided.

Description

technical field [0001] The present invention relates to the technical field of power batteries, and more specifically, to a battery pack. Background technique [0002] Power battery packs are mainly used in electric vehicles, hybrid electric vehicles and other products, generally lithium-ion battery packs or nickel-metal hydride battery packs. It is composed of multiple battery modules connected in series and parallel. Due to the large capacity of each battery module of the battery pack, the uniformity of heat has become a major problem affecting the life of the power battery pack. [0003] Each battery module of a conventional battery pack is arranged in multiple layers, and the whole has a rectangular structure, and each battery module is arranged in a casing. The heat dissipation of the battery pack structure is mainly carried out by adding cooling air ducts. Due to the differences in the locations of the various battery modules of the battery pack, the actual cooling ...

Claims

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Application Information

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IPC IPC(8): H01M10/42H01M10/50H01M10/617H01M10/625H01M10/64
CPCY02E60/10
Inventor 袁定凯李静杨文国
Owner TIANJIN ENERGIES
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