Battery box and preparation method thereof
A battery box and battery component technology, which is applied to the isolation of batteries from their environment, secondary batteries, battery pack components, etc., can solve problems such as poor temperature management, sensitive ambient temperature, and heavy overall weight of the battery box, and improve the use of Life, prevent insulation failure, overcome the effect of weak strength
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Embodiment 1
[0086] The battery box is installed in the electric vehicle and is used to provide electric power for the electric vehicle. The battery box includes an external box and batteries inside the box for storing electricity. The battery box also includes parts for installing and moving the battery box arranged on the periphery of the box, and the battery box is connected with the electric vehicle or Electrical connector for electrical connection of charging station.
[0087] Embodiment 1 provided by the present invention is as Figure 1 to Figure 14 shown. The box body of the battery box in this embodiment includes an upper cover 1 and a lower box body 2 , the upper cover 1 covers the lower box body 2 to form an inner space, and the battery assembly is placed in the inner space. Such as image 3 and Figure 5 to Figure 7 As shown, the lower box 2 includes a housing 21 and an inner tank 22, the inner tank 22 is arranged on the inner wall of the housing 21, the inner tank 22 is ma...
Embodiment 2
[0118] Most of the structure of embodiment 2 is the same as embodiment 1, the difference is:
[0119] Such as Figure 15 As shown, the reinforcing rib 23 and the shell 21 of the lower box body 2 are divided into two parts. The reinforcing rib 23 and the liner 22 are integrally formed, and the corresponding manufacturing method of the lower box 2 includes the following steps:
[0120] S31, put the reinforcing rib 23 into the injection mold, the shape of the cavity formed by the inner cavity of the injection mold and the reinforcing rib 23 corresponds to the shape of the liner 22;
[0121] S32. Add raw materials of the composite material into the inner cavity of the injection mold, and perform injection molding to form the liner 22 .
[0122] Through the above-mentioned manufacturing method, the inner tank 22 and the reinforcing rib 23 are injected into one body first, and then the adhesive is applied to the inner surface of the housing 21; finally, the inner tank 22 with the ...
Embodiment 3
[0124] Most of the structure of embodiment 3 is the same as embodiment 1, the difference is:
[0125] Such as Figure 16 to Figure 17 As shown, the battery assembly of the battery box can be several individually arranged electric cells 9 , and the accommodation space formed by the grid structure 24 on the inner bottom surface of the liner 22 matches the shape of a single electric cell 9 . Correspondingly, the plurality of accommodation spaces of the grid structure 24 are formed by intersecting a plurality of grid bars, and these grid bars are equivalent to reinforcing ribs on the inner tank 22, further strengthening the strength of the inner tank 22 and the battery box as a whole. By placing the electric core 9 separately, it is convenient for the installation and positioning of each electric core 9, and the installation accuracy is improved; moreover, this method does not require the intermediate process of forming the electric core into a module, and the assembly process is ...
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