Lithium battery module device

Abstract

The utility model discloses a lithium battery module device which comprises an outer box body, a plurality of heat dissipation spacers are fixed at the bottom of the outer box body through L-shaped connecting pieces, honeycomb holes are formed in the heat dissipation spacers, raised line parts are arranged among the honeycomb holes, and hollow bosses are arranged at the bottoms of the heat dissipation spacers; the battery units are accommodated in the outer box body and are separated by the heat dissipation spacers; the outer cover body covers the outer box body, the outer cover body is provided with a rear boss part located on the rear side and a front boss part located on the front side, and positive and negative electrode connectors connected with the battery units are arranged at the two ends of the front boss part; the transformation protector is accommodated in the rear boss part and is electrically connected with the battery unit; and the transformation button is arranged on the outer cover body, is positioned between the rear boss part and the front boss part, and is connected with a transformation protector. According to the utility model, the heat dissipation spacers are arranged in the outer box body to dissipate heat among the battery units, and the voltage transformation protector is additionally arranged to carry out controllable voltage regulation, so that the application range is enlarged, and the applicability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery packs, and specifically relates to a lithium battery module device. Background Art

[0002] A lithium battery pack is a module that integrates multiple single lithium batteries. Different numbers of lithium batteries can be configured according to the required output voltage. The assembly of a certain number of lithium batteries is very important. First of all, the lithium batteries cannot collide or rub against each other. In addition, they must have a safe and reliable protective shell and be easy to install and disassemble. The battery box of the existing lithium battery pack is too simple, cannot be well insulated, has poor protection, and is very likely to affect the performance of the lithium battery pack. In addition, the output voltage is uncontrollable and the applicability is insufficient. Utility Model Content

[0003] In view of this, the technical problem to be solved by the utility model is to provide a lithium battery module device to avoid the troubles of the previous battery packs that cannot be voltage-adjusted and have poor heat insulation and protection.

[0004] In order to solve the above technical problems, the utility model discloses a lithium battery module device, which includes an outer box body, a plurality of heat dissipation spacers are fixed at the bottom of the outer box body through an L-shaped connecting piece, the heat dissipation spacers are provided with honeycomb holes, and raised line parts are provided between the honeycomb holes, and a hollow boss is provided at the bottom of the heat dissipation spacers;

[0005] The battery cells are contained in the outer box and separated by heat dissipation spacers;

[0006] An outer cover body is arranged on the outer box body, and the outer cover body has a rear boss portion located at the rear side and a front boss portion located at the front side, and positive and negative terminals for connecting the battery unit are arranged at both ends of the front boss portion;

[0007] A voltage transformer protector housed in the rear boss portion and electrically connected to the battery unit;

[0008] A voltage transformation button is arranged on the outer cover body and is located between the rear boss portion and the front boss portion, and the voltage transformation button is connected to the voltage transformation protector.

[0009] According to an embodiment of the utility model, one side of the front boss portion has a positioning column exposed on the side surface of the outer box body.

[0010] According to an embodiment of the present invention, the heat dissipation spacer is made of aluminum and has a thickness of 1 mm.

[0011] According to an embodiment of the utility model, the raised line portion is punched from the surface of the heat dissipation spacer, and the raised height is 2 mm.

[0012] According to an embodiment of the utility model, the outer box is surrounded by an epoxy sealing sleeve.

[0013] Compared with the prior art, the utility model can obtain the following technical effects:

[0014] By arranging heat dissipation spacers in the outer box to dissipate heat between battery cells, and installing a transformer protector for controllable voltage regulation, the scope of use is increased and the applicability is improved.

[0015] Of course, any product implementing the present utility model does not necessarily need to achieve all of the above-mentioned technical effects at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 This is a three-dimensional diagram of a lithium battery module device according to an embodiment of the utility model;

[0018] Figure 2 This is an internal view of a lithium battery module device according to an embodiment of the present utility model;

[0019] Figure 3 It is a schematic diagram of a heat dissipation spacer according to an embodiment of the utility model.

[0020] Figure ID

[0021] The outer box body 10 , the heat dissipation spacer 20 , the honeycomb hole 21 , the raised line portion 22 , the outer cover body 30 , the rear boss portion 31 , the front boss portion 32 , the positive and negative electrode connectors 33 , the voltage conversion button 40 , and the positioning column 50 . DETAILED DESCRIPTION

[0022] The following will describe the implementation methods of the present invention in detail with reference to the accompanying drawings and embodiments, so that the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0023] Please refer to Figures 1 to 3 , Figure 1 This is a three-dimensional diagram of a lithium battery module device according to an embodiment of the utility model; Figure 2 This is an internal view of a lithium battery module device according to an embodiment of the present utility model; Figure 3 It is a schematic diagram of a heat dissipation spacer according to an embodiment of the utility model.

[0024] As shown in the figure, a lithium battery module device includes an outer box body 10, a plurality of heat dissipation spacers 20 are fixed to the bottom of the outer box body 10 through an L-shaped connecting piece, the heat dissipation spacers 20 are provided with honeycomb holes 21, and raised line parts 22 are provided between the honeycomb holes 21, and the bottom of the heat dissipation spacers 20 is provided with a hollow boss, and the hollow boss accelerates the heat dissipation of the bottom; a battery cell is accommodated in the outer box body 10 and separated by the heat dissipation spacers 22; an outer cover body 30 covered on the outer box body 10, the outer cover body 30 has a rear boss part 31 located on the rear side, and a front boss part 32 located on the front side, and positive and negative terminals 33 connected to the battery cell are provided at both ends of the front boss part 32; a transformer protector accommodated in the rear boss part 31 and electrically connected to the battery cell; a transformer button 40 is arranged on the outer cover body and located between the rear boss part 31 and the front boss part 32, and the transformer button 40 is connected to the transformer protector.

[0025] In one embodiment of the utility model, the outer box body 10 and the outer cover body 30 cooperate with each other to form the outer shell of the battery box, the interior of which is used to accommodate and install the battery cells, and the battery cells are separated by the heat dissipation spacers 20 to improve the heat dissipation effect. Specifically, the heat dissipation spacers 20 are densely covered with honeycomb holes 21, which can reduce the contact area of ​​the battery cells and increase heat dissipation. At the same time, the heat dissipation spacers 20 are also provided with raised raised line parts 22, which are further separated to reduce the contact area, and then the honeycomb holes 21 are used to achieve ventilation and heat dissipation to improve efficiency.

[0026] The upper end of the outer cover 30 has a protruding rear boss portion 31 and a front boss portion 32, wherein the rear boss portion 31 has a built-in transformer protector, electrically connecting each battery unit to achieve voltage regulation, and finally the output is controllably adjusted by the transformer button 40 to increase the range of use. The positive and negative terminals 33 are distributed at both ends of the outer cover 30 for line docking.

[0027] One side of the front boss portion 32 of the utility model has a positioning column 50 exposed on the side of the outer box body 10, which can facilitate positioning during installation, complete the assembly of the entire battery box shell, and improve the convenience of operation.

[0028] Preferably, the heat dissipation spacer 20 is made of aluminum and has a thickness of 1 mm, which reduces space occupation and has better heat dissipation. Furthermore, the raised line portion 22 is stamped from the surface of the heat dissipation spacer 20, and the raised height is 2 mm, forming a spacing interval to improve heat dissipation efficiency.

[0029] In addition, the outer box body 10 is surrounded by epoxy sealing sleeves to increase the anti-collision performance of the corners.

[0030] In summary, the utility model dissipates heat between battery cells by arranging heat dissipation spacers 20 in the outer box body 10, and further installs a transformer protector for controllable voltage regulation, thereby increasing the scope of use and improving applicability.

[0031] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A lithium battery module device, characterized in that: include: An outer box body, wherein a plurality of heat dissipation spacers are fixed at the bottom of the outer box body through an L-shaped connecting piece, the heat dissipation spacers are provided with honeycomb holes, and raised line portions are provided between the honeycomb holes, and a hollow boss is provided at the bottom of the heat dissipation spacers; A battery unit, the battery unit is accommodated in the outer box and separated by the heat dissipation spacer; An outer cover body, the outer cover body is covered on the outer box body, the outer cover body has a rear boss portion located at the rear side, and a front boss portion located at the front side, and positive and negative terminals connected to the battery unit are arranged at both ends of the front boss portion; A transformer protector, the transformer protector is accommodated in the rear boss portion and electrically connected to the battery unit; A voltage-changing button is arranged on the outer cover and is located between the rear boss portion and the front boss portion, and the voltage-changing button is connected to the voltage-changing protector.

2. The lithium battery module device according to claim 1, characterized in that: One side of the front boss portion has a positioning column exposed on the side surface of the outer box body.

3. The lithium battery module device according to claim 1, characterized in that: The heat dissipation spacer is made of aluminum and has a thickness of 1 mm.

4. The lithium battery module device according to claim 1, characterized in that: The raised line portion is punched from the surface of the heat dissipation spacer, and the raised height is 2 mm.

5. The lithium battery module device according to claim 1, characterized in that: The outer box body is surrounded by an epoxy sealing sleeve.

Images