A new type of battery support structure

Abstract

The utility model discloses a novel battery cell support structure, comprising a shell, the top surface of the shell is provided with a plurality of assembly holes in a rectangular array, and the top surface and the bottom surface of the shell are fixed with electrode sheets; in the utility model, a plurality of limit blocks are arranged in a rectangular array on the bottom inner side of the shell, arc grooves arranged on the facing surfaces of every two limit blocks constitute the placement structure of the bottom of the battery cell, and a plurality of assembly holes are opened on the top surface of the shell corresponding to the placement structure, which is easy to quickly assemble the battery cell, and electrode sheets with electrical connection contacts are respectively arranged on the top surface and the bottom surface of the shell, so as to achieve the purpose of connecting a plurality of battery cells without wires, and reduce the problem of battery cell short circuit caused by aging and extrusion of the wires, and at the same time, a battery cell support plate is provided which is plugged into the slot of the inner wall of the shell by a positioning strip, and rubber rings are arranged in the plurality of through holes on the surface of the battery cell support plate, so as to maintain the reliability of its installation while satisfying the limit of the battery cell assembly stage.

Description

Technical Field

[0001] The utility model relates to the technical field of power batteries, and in particular to a novel battery core bracket structure. Background Art

[0002] At present, due to the process of design and manufacturing, the thickness of square aluminum shell battery cells varies greatly. When multiple battery cells are combined into a module, cumulative errors will occur, which will bring difficulties to the subsequent related design and assembly. Therefore, the rationality of the battery support structure is related to the difficulty of battery assembly.

[0003] In the prior art, problems with the cell modules of some power batteries on the market are that, firstly, the spatial structure of the bracket structure of the cell module is unreasonable, resulting in loose or difficult assembly of the cell; secondly, the cell and the circuit board must be connected by wires, and during assembly and use, the wires are easily stuck or aged, causing problems such as short circuit of the battery pack.

[0004] To this end, a new battery cell bracket structure is proposed, which has the advantages of easy and reliable assembly of battery cells and no wire connection, thereby solving the problems in the above-mentioned background technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a novel battery core bracket structure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a new type of battery cell bracket structure, including a shell, the top surface of the shell is provided with a plurality of assembly holes in a rectangular array, and electrode sheets are fixed to the top and bottom surfaces of the shell, and the two groups of electrode sheets facing each other on the top and bottom surfaces of the shell are provided with a plurality of electrical connection contacts, the bottom of the shell is integrally formed with a plurality of limit blocks, and the facing surfaces of every two limit blocks are provided with arc grooves, two battery cell support plates are detachably installed inside the shell, and the surfaces of the two battery cell support plates are provided with a plurality of through holes, and a rubber ring is bonded to the inside of each through hole, slots are provided on the left and right sides of the inner wall of the shell, positioning strips are provided on both sides of the battery cell support plates, and the positioning strips are plugged into the slots provided on the inner wall of the shell, two stop blocks are provided at the edge of the inner bottom of the shell, and the gap between the two stop blocks and the inner wall of the shell forms a accommodating cavity, and a circuit board is inserted and fixed in the accommodating cavity of the shell.

[0007] As a further description of the above technical solution: the multiple assembly holes on the top surface of the shell correspond one-to-one to the multiple through holes on the battery cell support plate, the arc grooves opened on the facing surfaces of every two limit blocks form a battery cell placement structure, and the number of the battery cell placement structures is the same as the number of the multiple assembly holes.

[0008] As a further description of the above technical solution: a plurality of through holes are provided on the top surface of the shell corresponding to the electrical connection contacts, and the plurality of through holes correspond one to one with the plurality of assembly holes.

[0009] As a further description of the above technical solution: a positioning bar is provided on both sides of the battery support plate, and the cross-section of the positioning bar is an isosceles trapezoidal structure, and slots are provided on both sides of the inner wall of the shell corresponding to the positioning bar.

[0010] As a further description of the above technical solution: one of the side surfaces of the shell is opened, and the slot of the shell and the positioning strip are filled with sealant.

[0011] As a further description of the above technical solution: ventilation nets are embedded and installed on both the left and right sides of the shell.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, a plurality of limit blocks are arranged in a rectangular array on the bottom inner side of a shell, arc grooves arranged on the facing surfaces of every two limit blocks constitute an accommodation structure at the bottom of the battery cell, and a plurality of assembly holes are opened on the top surface of the shell corresponding to the accommodation structure, so as to facilitate the quick assembly of the battery cell, and electrode sheets with electrical connection contacts are respectively arranged on the top and bottom surfaces of the shell, so as to achieve the purpose of connecting a plurality of battery cells without wires, and reduce the problem of short circuit of the battery cells caused by aging and extrusion of the wires. At the same time, a battery cell support plate is arranged which is plugged into the slot of the inner wall of the shell by a positioning strip, and rubber rings are arranged in the plurality of through holes on the surface of the battery cell support plate, so as to maintain the reliability of its installation while satisfying the limit of the battery cell assembly stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a novel battery support structure of the utility model;

[0015] Figure 2 This is a shell cutaway view of a novel battery support structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of a battery cell support plate of a new battery cell bracket structure of the utility model.

[0017] Legend:

[0018] 1. Shell; 2. Ventilation net; 3. Electrode sheet; 4. Limit block; 5. Electrical connection contact; 6. Stop block; 7. Circuit board; 8. Cell support plate; 9. Assembly hole; 10. Arc groove; 11. Slot; 12. Through hole; 13. Rubber ring; 14. Positioning strip. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] According to an embodiment of the utility model, a novel battery cell bracket structure is provided.

[0021] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-3 As shown, a new type of battery support structure according to an embodiment of the utility model includes a shell 1, the top surface of the shell 1 is provided with a plurality of assembly holes 9 in a rectangular array, and the top and bottom surfaces of the shell 1 are fixed with electrode sheets 3, and the two groups of electrode sheets 3 facing each other on the top and bottom surfaces of the shell 1 are provided with a plurality of electrical connection contacts 5, a plurality of limit blocks 4 are integrally formed at the bottom of the shell 1, and the facing surfaces of each two limit blocks 4 are provided with arc grooves 10, two battery support plates 8 are detachably installed inside the shell 1, and the surfaces of the two battery support plates 8 are provided with a plurality of through holes 12, and a rubber ring 1 is bonded to the inner side of each through hole 12 3, slots 11 are provided on the left and right sides of the inner wall of the shell 1, positioning strips 14 are provided on both sides of the battery support plate 8, and the positioning strips 14 are plugged into the slots 11 provided on the inner wall of the shell 1, two stoppers 6 are provided at the edge of the inner bottom of the shell 1, and the gap between the two stoppers 6 and the inner wall of the shell 1 forms a receiving cavity, and a circuit board 7 is fixedly inserted in the receiving cavity of the shell 1, wherein, in order to achieve the purpose of non-wire connection, the circuit board 7 is electrically connected to the electrode sheet 3 by a nickel sheet, and the circuit board 7 is a common structure of the existing power battery, and no further elaboration is made, and for the reliable installation of the battery cell, the inner diameter of the rubber ring 13 is adapted to the diameter of the battery cell;

[0022] In one embodiment, the plurality of assembly holes 9 on the top surface of the shell 1 correspond one-to-one to the plurality of through holes 12 of the battery cell support plate 8, and the arc grooves 10 opened on the facing surfaces of every two limit blocks 4 form a battery cell placement structure, and the number of the battery cell placement structures is the same as the number of the plurality of assembly holes 9, that is, the number of assembly holes 9, through holes 12 and battery cell placement structures is the same, so as to facilitate the assembly of a plurality of battery cells.

[0023] In one embodiment, a plurality of through holes are provided on the top surface of the shell 1 corresponding to the electrical connection contacts 5, and the plurality of through holes correspond one-to-one to the plurality of assembly holes 9. By setting the plurality of through holes, it is easy for the electrical connection contacts 5 to pass through the shell 1 and maintain electrical connection with the battery cell, which is beneficial to the combined connection of a plurality of battery cells.

[0024] In one embodiment, a positioning bar 14 is provided on both sides of the battery cell support plate 8, and the cross-section of the positioning bar 14 is an isosceles trapezoidal structure. Slots 11 are provided on both sides of the inner wall of the shell 1 corresponding to the positioning bar 14. The arrangement of the positioning bar 14 and the slot 11 facilitates the installation and disassembly of the battery cell support plate 8.

[0025] In one embodiment, an opening is provided on one of the sides of the shell 1, and sealant is filled between the slot 11 and the positioning strip 14 of the shell 1. The setting of the opening facilitates the loading and unloading of the battery cell support plate 8 and the maintenance of the device. In order to prevent dust from entering the opening, a gauze mesh with a magnet may be attached to the opening.

[0026] In one embodiment, ventilation nets 2 are embedded and installed on both the left and right sides of the shell 1. The arrangement of the ventilation nets 2 is beneficial to ventilation and heat dissipation.

[0027] Working principle:

[0028] When in use, first insert the battery cell into the assembly hole 9 on the top surface of the shell 1, so that the battery cell passes through the through holes 12 of the two battery cell support plates 8 in sequence, and the bottom of the battery cell is inserted into the arc groove 10 set on the opposite surfaces of the two limit blocks 4, and then the electrode sheet 3 with electrical connection contacts 5 is respectively arranged on the top and bottom surfaces of the shell 1, so that the electrical connection contacts 5 of the electrode sheet 3 can contact the two ends of several battery cells in the shell 1, so as to achieve the purpose of connecting several battery cells without wires, and reduce the problem of battery cell short circuit caused by aging and extrusion of wires. At the same time, a battery cell support plate 8 is provided which is plugged into the slot 11 on the inner wall of the shell 1 with a positioning strip 14, and rubber rings 13 are arranged in the several through holes 12 on the surface of the battery cell support plate 8, which can maintain the reliability of its installation while meeting the limit of the battery cell assembly stage, and it is not easy for the battery cell to loosen.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel battery cell support structure, comprising a housing (1), characterized in that: The top surface of the shell (1) is provided with a plurality of assembly holes (9) in a rectangular array, and the top and bottom surfaces of the shell (1) are both fixed with electrode sheets (3), and the facing surfaces of the two groups of electrode sheets (3) on the top and bottom surfaces of the shell (1) are both provided with a plurality of electrical connection contacts (5), the bottom of the shell (1) is integrally formed with a plurality of limit blocks (4), and the facing surfaces of each two limit blocks (4) are both provided with arc grooves (10), and two battery cell support plates (8) are detachably installed inside the shell (1), and the surfaces of the two battery cell support plates (8) are both provided with a plurality of A plurality of through holes (12) are provided, and a rubber ring (13) is bonded to the inner side of each through hole (12); slots (11) are provided on the left and right sides of the inner wall of the shell (1); positioning strips (14) are provided on both sides of the battery core support plate (8), and the positioning strips (14) are plugged into the slots (11) provided on the inner wall of the shell (1); two stoppers (6) are provided at the edge of the inner bottom of the shell (1), and the gaps between the two stoppers (6) and the inner wall of the shell (1) form a receiving cavity, and a circuit board (7) is inserted and fixed in the receiving cavity of the shell (1).

2. A novel battery support structure according to claim 1, characterized in that: The plurality of assembly holes (9) on the top surface of the shell (1) correspond one to one with the plurality of through holes (12) on the battery cell support plate (8), and the arc grooves (10) formed on the facing surfaces of every two of the limit blocks (4) form a battery cell placement structure, and the number of the battery cell placement structures is the same as the number of the plurality of assembly holes (9).

3. A novel battery support structure according to claim 1, characterized in that: The top surface of the housing (1) is provided with a plurality of through holes corresponding to the electrical connection contacts (5), and the plurality of through holes correspond one to one to the plurality of assembly holes (9).

4. A novel battery support structure according to claim 1, characterized in that: A positioning strip (14) is provided on both the left and right sides of the battery support plate (8), and the cross section of the positioning strip (14) is an isosceles trapezoidal structure. Slots (11) are provided on both the left and right sides of the inner wall of the shell (1) corresponding to the positioning strip (14).

5. A novel battery support structure according to claim 1, characterized in that: One of the side surfaces of the shell (1) is provided with an opening, and a sealant is filled between the slot (11) of the shell (1) and the positioning strip (14).

6. A novel battery support structure according to claim 1, characterized in that: Ventilation nets (2) are embedded and installed on both left and right sides of the shell (1).

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