Lithium battery pack
A lithium battery pack and housing technology, applied in battery pack components, secondary batteries, circuits, etc., can solve the problems of poor heat dissipation performance, battery layout occupied space, and high buffer performance requirements, and achieve impact resistance, The effect of good heat dissipation performance and convenient maintenance
Active Publication Date: 2021-09-28
义乌市坤玥玩具有限公司
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Problems solved by technology
The distance between the batteries in the lithium battery pack is very close, and the installation methods are stacked or side-by-side. Although the stacked or side-by-side installation structure is adopted, in the same space during installation, the lithium battery The number of installations is not large, and the arrangement of batteries still takes up a lot of space. Due to the compact arrangement, once one of the lithium batteries burns and explodes due to rapid heating such as bulging, it will cause damage to the entire lithium battery pack. Due to the compact structure and poor heat dissipation performance, when used in a vibrating environment, the cushioning performance of the lithium battery is required to be high. During maintenance, it is not easy to maintain and observe because it is placed together in a closed environment. There are many deficiencies in lithium battery packs
Method used
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[0017] Such as figure 1 and figure 2 As shown, the lithium battery pack includes a spliced main body casing 1. The inside of the main body casing 1 has a circular installation cavity 13, and a bearing 4 and two bearings 4 are embedded in the shaft centers on both sides of the installation cavity 13. A hollow shaft sleeve 2 is installed in the bearing holes of each bearing, and the hollow shaft sleeve 2 passes through the bearing holes of the two bearings 4 and protrudes from the outside of the main body shell 1;
[0018] There is a hollow outlet channel 8 in the middle of the hollow shaft sleeve 2, and the outer end of the outlet channel 8 is open on the protruding surface. The outer wall of the hollow shaft sleeve 2 is welded and fixed more than one rotating blade 7 around the hollow shaft sleeve. A battery installation cavity with openings at both ends runs through the middle, and the lithium batteries 14 are all loaded into the battery installation cavity and fixed by g...
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The invention discloses a lithium battery pack, which comprises a spliced main body casing. The inside of the main body casing has a circular installation cavity. A bearing is embedded and installed at the axial center of both sides of the installation cavity. The bearings of the two bearings are A hollow shaft sleeve is put into the holes, and the hollow shaft sleeve passes through the bearing holes of the two bearings and protrudes outside the main shell; the lithium battery pack of the present invention has a very good heat dissipation and ventilation structure, and can effectively resist Vibration and shock during the process, use the rotational force to achieve shock absorption, and can effectively observe from the outside whether there is a bump or damage on the surface of the lithium battery, which greatly improves the convenience of maintenance and can detect the use of lithium batteries in the first place problems, prevent them from happening.
Description
technical field [0001] The invention relates to the field of lithium batteries, in particular to a lithium battery pack. Background technique [0002] Nowadays, the combination of large-scale lithium batteries has become a new energy supply method. Large-scale lithium batteries have high power and high heating efficiency, which is dangerous. The distance between the batteries in the lithium battery pack is very close, and the installation methods are stacked or side-by-side. Although the stacked or side-by-side installation structure is adopted, in the same space during installation, the lithium battery The number of installations is not large, and the arrangement of batteries still takes up a lot of space. Due to the compact arrangement, once one of the lithium batteries burns and explodes due to rapid heating such as bulging, it will cause damage to the entire lithium battery pack. Due to the compact structure and poor heat dissipation performance, when used in a vibratin...
Claims
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IPC IPC(8): H01M50/204H01M50/233H01M50/244H01M50/258H01M10/48H01M10/42H01M10/0525H01M10/613H01M50/20
CPCH01M10/0525H01M10/4207H01M10/482H01M10/613H01M50/20Y02E60/10
Inventor 徐连芳
Owner 义乌市坤玥玩具有限公司