Heat radiation structure aggregate cell superimposed by multiple cell modules

Abstract

The invention discloses a heat radiation structure aggregate cell superimposed by multiple cell modules. The aggregate cell is mainly formed by arranging heat radiation pieces and spacing sleeves between two cell modules and carrying out penetrating combination through screws. The heat radiation pieces can respectively and directly contact with one cell module and conduct heat to heat radiation fin surfaces, and the cooling is realized by contacting fins of the heat radiation fin surfaces with air. A spatial distance between two cell modules of the aggregate cell can avoid a heat accumulation problem caused by the direct contact of the two cell modules and can form a hollow heat radiation channel, and the hollow heat radiation channel which allows cold air at the outside of the aggregate cell with hot air in the heat radiation channel to be smoothly exchanged makes the aggregate cell be cooled. According to the screw design of the aggregate cell of the invention, the number of the cell module can be easily expanded to achieve the use convenience.

Description

technical field [0001] The invention relates to a collection battery formed by stacking a plurality of battery modules. Background technique [0002] For the actual demand for high-output batteries, in the battery industry, a large number of individual batteries are connected in series or in parallel to form a collection battery with high output power. [0003] In the above-mentioned collective battery with high output power, each individual battery inside the collective battery will release heat during the process of charging and discharging, resulting in a rise in temperature. The aforementioned temperature rise of the battery will cause the battery to fail to operate normally and safely. Such as figure 1 As shown, the U.S. Patent Publication No. US2007 / 0037051 is a collection battery 10 structure, which is mainly provided with a spacer 12 between each individual battery 11, and a plurality of concave-convex structures 13 on one side surface of the spacer 12 make the Ea...

AI Technical Summary

Problems solved by technology

[0004] It is worth noting that the heat dissipation effect of the above-mentioned collective battery heat dissipation structure in which a spacer block is arranged between each independent battery is not good, mainly because: first, after the battery pack 10 is assembled, there is a The surface of the concave-convex structure 13, which covers each other with the side of the individual battery 11, cannot be directly exposed to the outside, making it difficult for the heat of the battery to dissipate; secondly, after the assembled battery 10 is assembled, the concave-convex structure 13 of each spacer 12 is formed The air passages 14 are not communicated with each other, and the opening of the air passage 14 on the outside is quite narrow, and the air is not easy to circulate, so that the heat of the battery is easy to accumulate and it is difficult to dissipate heat.

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