Protection plate mounting structure and battery

Abstract

The utility model provides a guard plate mounting structure and battery, the guard plate mounting structure of the embodiment of the utility model comprises a battery cell and a guard plate, the battery cell comprises a shell, a pole is convexly arranged on the top surface of the shell, the guard plate is arranged on the top surface of the shell, and the guard plate and the pole are arranged in a staggered manner. The protection plate mounting structure provided by the embodiment of the utility model can avoid increasing the height of the whole structure of the battery.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, and in particular to a protection board mounting structure and a battery. Background Technology

[0002] As electronic devices become smaller and more multifunctional, the market demands higher energy density from battery modules, necessitating an increase in the effective capacity of battery cells within limited space to extend device battery life.

[0003] The square steel battery module in the relevant technology adopts a vertical stacking structure, that is, the protection board assembly is directly positioned above the cell terminal, and the positive electrode nickel sheet is welded to the top of the terminal and the negative electrode nickel sheet is welded to the surface of the cell steel shell to form an electrical connection.

[0004] However, the height of the battery cell terminals increases the overall structural height after the protection board is welded and assembled, which severely restricts the thinner design of the battery module. Utility Model Content

[0005] This utility model provides a protection board mounting structure to solve the problem that the mounting structure of the protection board in related technologies increases the overall structural height of the battery.

[0006] The protective plate mounting structure of this utility model embodiment includes:

[0007] A battery cell, the battery cell including a housing, the top surface of which is provided with protruding electrode posts;

[0008] A protective plate is disposed on the top surface of the housing, and the protective plate is offset from the pole post.

[0009] It is understandable that having the protection board and the terminal on the same surface and staggered between them can prevent the protection board from overlapping in height, thereby preventing the installation structure of the protection board from increasing the overall height of the battery structure.

[0010] Therefore, the protection board mounting structure of this utility model embodiment can avoid increasing the overall height of the battery structure.

[0011] Optionally, the top surface of the protective plate is provided with a first welding point, which is electrically connected to the pole post.

[0012] Optionally, the first welding point is electrically connected to the pole by providing a first connecting piece.

[0013] Optionally, the top surface of the protective plate is flush with the top surface of the pole post.

[0014] Optionally, the bottom surface of the protective plate is provided with a second welding point, which is electrically connected to the housing.

[0015] Optionally, the second welding point is electrically connected to the housing via a second connecting piece.

[0016] Optionally, the sum of the thickness of the protective plate and the thickness of the second connecting piece is equal to the thickness of the portion of the pole protruding from the housing.

[0017] Optionally, the housing is provided with insulating tape at the position corresponding to the protective plate.

[0018] This utility model also provides a battery, including the protection board mounting structure described in the above embodiments.

[0019] The battery of this utility model, by setting the protection plate mounting structure of the above embodiment, that is, by misaligning the protection plate with the terminal post protruding on the shell, can avoid the protection plate increasing the height of the overall battery structure and can reduce the size of the overall battery structure.

[0020] Optionally, the battery of this utility model also includes an output line, the protection board is provided with an output soldering point, one end of the output line is electrically connected to the output soldering point, and the other end of the output line is provided with an output interface. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is one of the schematic diagrams of the protective plate mounting structure according to an embodiment of this utility model;

[0023] Figure 2 This is an enlarged schematic diagram of the protective plate mounting structure according to an embodiment of the present utility model;

[0024] Figure 3 This is the second schematic diagram of the protective plate mounting structure according to an embodiment of this utility model.

[0025] In the picture:

[0026] 100. Protective plate mounting structure;

[0027] 1. Battery cell; 101. Housing; 102. Terminal;

[0028] 2. Protective plate; 201. First welding point; 202. Second welding point; 203. Output welding point;

[0029] 3. First connecting piece;

[0030] 4. Second connecting piece;

[0031] 5. Output cable; 501. Output interface;

[0032] 6. Insulating tape. Detailed Implementation

[0033] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0034] In the description of this utility model, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0035] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal encapsulation of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0036] In order to solve the problem that the installation structure of the protection board 2 in the related technology increases the height of the overall battery structure.

[0037] This utility model provides a protective plate mounting structure 100.

[0038] The protection plate mounting structure 100 of this utility model embodiment includes a battery cell 1 and a protection plate 2. The battery cell 1 includes a housing 101, and a pole post 102 is protruding on the top surface of the housing 101. The protection plate 2 is disposed on the top surface of the housing 101, and the protection plate 2 and the pole post 102 are misaligned.

[0039] It is understandable that the protection plate 2 and the terminal post 102 are located on the same surface and are staggered to avoid the protection plate 2 and the height of the battery being superimposed, thereby avoiding the installation structure of the protection plate 2 from increasing the height of the overall battery structure.

[0040] Therefore, the protection board mounting structure 100 of this utility model embodiment can avoid increasing the height of the overall battery structure.

[0041] The following is in conjunction with the appendix Figures 1-3 The protective plate mounting structure 100 of this utility model embodiment is described.

[0042] The protection board mounting structure 100 of this utility model embodiment includes a battery cell 1 and a protection board 2.

[0043] like Figure 1 As shown, the battery cell 1 includes a housing 101, which has a square structure. A terminal post 102 is protruding on the top surface of the housing 101. A protection plate 2 is provided on the top surface of the housing 101, and the protection plate 2 is offset from the terminal post 102. This avoids the protection plate 2 and the terminal post 102 from overlapping, thereby avoiding the installation structure of the protection plate 2 from increasing the overall height of the battery structure.

[0044] In some embodiments, such as Figure 2 As shown, the top surface of the protective plate 2 is provided with a first welding point 201, which is electrically connected to the pole post 102.

[0045] Furthermore, the first welding point 201 is electrically connected to the pole post 102 by providing the first connecting piece 3.

[0046] Optionally, the first connecting piece 3 can be a nickel sheet, which can be connected to the pole post 102 by welding, or the first connecting piece 3 can be connected to the first welding point 201 by welding.

[0047] By using the first connecting piece 3 to electrically connect the first welding point 201 to the pole post 102, it is possible to make the first welding point 201 and the pole post 102 conductive.

[0048] In some embodiments, the top surface of the protective plate 2 is flush with the top surface of the pole post 102.

[0049] It is understandable that, since the top surface of the protective plate 2 is provided with the first welding point 201, the protective plate mounting structure 100 of this utility model embodiment makes it easier to connect the pole post 102 and the first welding point 201 using the first connecting piece 3 by making the top surface of the protective plate 2 flush with the top surface of the pole post 102, thereby reducing the assembly difficulty of the protective plate mounting structure 100 of this utility model embodiment.

[0050] In some embodiments, such as Figure 2As shown, the bottom surface of the protective plate 2 is provided with a second welding point 202, which is electrically connected to the housing 101.

[0051] Furthermore, the second welding point 202 is electrically connected to the housing 101 by providing a second connecting piece 4.

[0052] Optionally, the second connecting piece 4 can be a nickel sheet, which can be connected to the housing 101 by welding, or the second connecting piece 4 can be connected to the second welding point 202 by welding.

[0053] By using the second connecting piece 4 to electrically connect the second welding point 202 to the housing 101, it is possible to make the second welding point 202 and the housing 101 conductive.

[0054] It is understandable that the pole 102 is usually used as the positive pole and the housing 101 is usually used as the negative pole. The first welding point 201 is electrically connected to the pole 102 by the first connecting piece 3, and the second welding point 202 is electrically connected to the housing 101 by the second connecting piece 4, so that the positive and negative poles of the battery cell 1 are electrically connected to the first welding point 201 and the second welding point 202 of the protection plate 2, respectively.

[0055] In some embodiments, the sum of the thickness of the protective plate 2 and the thickness of the second connecting piece 4 is equal to the thickness of the portion of the pole post 102 that protrudes from the housing 101.

[0056] It is understandable that the second connecting piece 4 is located on the bottom surface of the protection plate 2, that is, the second connecting piece 4 is located between the protection plate 2 and the housing 101. The second connecting piece 4 will increase the height of the overall battery structure. In order to make the top surface of the protection plate 2 and the top surface of the terminal post 102 flush and not increase the height of the overall battery structure, the thickness of the part of the terminal post 102 protruding from the housing 101 is equal to the sum of the thickness of the protection plate 2 and the thickness of the second connecting piece 4.

[0057] In some embodiments, the sum of the thicknesses of the first connecting piece and the second connecting piece is less than the thickness of the protective plate.

[0058] In some embodiments, insulating tape 6 is provided on the housing 101 at the position corresponding to the protective plate 2.

[0059] The protective plate mounting structure 100 of this utility model provides insulating tape 6 at the position of the housing 101 corresponding to the protective plate 2, which can prevent the protective plate 2 from directly contacting the housing 101 and thus improve the insulation performance.

[0060] It is understandable that, in order to ensure insulation performance, at least part of the edge of the insulating tape 6 extends beyond the edge of the protective plate 2.

[0061] This utility model also provides a battery.

[0062] The battery of this utility model embodiment includes the protection board mounting structure 100 as described in the above embodiment.

[0063] The battery of this utility model embodiment, by setting the protection plate mounting structure 100 of the above embodiment, that is, by misaligning the protection plate 2 with the terminal post 102 protruding on the housing 101, can avoid the protection plate 2 increasing the height of the overall battery structure and can reduce the size of the overall battery structure.

[0064] In some embodiments, such as Figure 3 As shown, the battery in this embodiment of the present invention also includes an output line 5, an output soldering point 203 is provided on the protection board 2, one end of the output line 5 is electrically connected to the output soldering point 203, and the other end of the output line 5 is provided with an output interface 501.

[0065] It is understandable that the protection board 2 is usually a circuit board, that is, the protection board 2 can be provided with output soldering points 203, and one end of the output line 5 is electrically connected to the output soldering points 203. The other end of the output line 5 is provided with an output interface 501 to facilitate the use of battery power.

[0066] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be included within the protection scope of this utility model.

Claims

1. A protective plate mounting structure, characterized in that, include: The battery cell (1) includes a housing (101) and a pole post (102) protruding from the top surface of the housing (101). The protective plate (2) is disposed on the top surface of the housing (101) and is offset from the pole post (102).

2. The protective plate mounting structure according to claim 1, characterized in that, The top surface of the protective plate (2) is provided with a first welding point (201), which is electrically connected to the pole (102).

3. The protective plate mounting structure according to claim 2, characterized in that, The first welding point (201) is electrically connected to the pole (102) by a first connecting piece (3).

4. The protective plate mounting structure according to claim 3, characterized in that, The top surface of the protective plate (2) is flush with the top surface of the pole (102).

5. The protective plate mounting structure according to claim 1, characterized in that, The bottom surface of the protective plate (2) is provided with a second welding point (202), which is electrically connected to the housing (101).

6. The protective plate mounting structure according to claim 5, characterized in that, The second welding point (202) is electrically connected to the housing (101) by providing a second connecting piece (4).

7. The protective plate mounting structure according to claim 6, characterized in that, The sum of the thickness of the protective plate (2) and the thickness of the second connecting piece (4) is equal to the thickness of the portion of the pole post (102) that protrudes from the housing (101).

8. The protective plate mounting structure according to claim 1, characterized in that, The housing (101) is provided with insulating tape (6) at the position corresponding to the protective plate (2).

9. A battery, characterized in that, Includes the protective plate mounting structure (100) as described in any one of claims 1-8.

10. The battery according to claim 9, characterized in that, It also includes an output line (5), and the protection plate (2) is provided with an output soldering point (203). One end of the output line (5) is electrically connected to the output soldering point (203), and the other end of the output line (5) is provided with an output interface (501).

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