Battery assembly and electric equipment

The battery component design addresses deformation issues of protruding terminals by integrating terminals within slots, enhancing assembly reliability and stability.

CN223109156UActive Publication Date: 2025-07-15ZHEJIANG SUNWODA ELECTRONIC CO LTD
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Patent Information

Application Number
CN202421931681.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-07-15
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

The pins of the steel buckle battery are prone to deform during production and assembly, resulting in poor assembly problems.

Method used

The battery assembly design is adopted, wherein the lead-out member includes a main body part and a terminal, and the terminal is housed in the accommodating groove, and the electrode and terminal are electrically connected through the lead-out portion to reduce deformation risk, and an insulating layer and bending section are used to improve stability.

Benefits of technology

Improves the production yield and use stability of battery components, reduces space usage, and enhances connection reliability and assembly efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a battery assembly and electric equipment, and belongs to the technical field of batteries, the battery assembly comprises a battery body and a lead-out piece, the battery body comprises a first electrode and a second electrode; the lead-out piece comprises a main body part and a first terminal, a second terminal, a first lead-out part and a second lead-out part which are respectively connected to the main body part, the main body part is connected with the battery body, the first terminal and the second terminal are arranged on the main body part, the first lead-out part is electrically connected with the first terminal and the first electrode, and the second lead-out part is electrically connected with the second terminal and the second electrode. The first electrode and the second electrode of the battery body are led out through the leading-out piece, pins of nickel sheet structures do not need to be arranged, occupied space is reduced, and stability of the production manufacturing and assembling process is facilitated.
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Description

Technical Field

[0001] This application belongs to the technical field of batteries, and particularly relates to a battery assembly and an electrical device. Background Art

[0002] Steel button batteries are mostly used in electronic devices with a small space such as wireless earphones. Generally, nickel sheets are welded to the positive and negative electrodes as pins for lead-out. After the pins are led out, they are then connected to a protection circuit module (PCM, Protection Circuit Module). However, the protruding pins have the risk of deformation during the manufacturing and assembly processes, and there are problems with poor assembly. Summary of the Utility Model

[0003] Purpose of the Utility Model: The embodiments of this application provide a battery assembly, aiming to overcome the technical problem that the currently used batteries with protruding pins as the lead-out structure are prone to deformation; another purpose of the embodiments of this application is to provide an electrical device.

[0004] Technical Solution: A battery assembly includes:

[0005] A battery body, the battery body includes a first electrode and a second electrode;

[0006] A lead-out member, the lead-out member includes a main body portion, a first terminal, a second terminal, a first lead-out portion, and a second lead-out portion respectively connected to the main body portion. The main body portion is connected to the battery body. The first terminal and the second terminal are both disposed on the main body portion. The first lead-out portion electrically connects the first terminal and the first electrode, and the second lead-out portion electrically connects the second terminal and the second electrode.

[0007] In some embodiments, the main body portion has a first receiving groove and a second receiving groove. The first terminal is disposed in the first receiving groove, and the second terminal is disposed in the second receiving groove.

[0008] In some embodiments, the battery body has a first end and a second end facing away from each other;

[0009] The main body portion includes a first connecting section and a second connecting section connected to each other. The first connecting section is disposed at the first end. The first lead-out portion is connected to the first connecting section and is located between the first connecting section and the battery body. The second connecting section is disposed on the outer peripheral wall of the battery body. The second lead-out portion is disposed at the second end and is connected to the second connecting section. The outer peripheral wall extends from the first end to the second end.

[0010] In some embodiments, both the first receiving groove and the second receiving groove are disposed on the first connecting section.

[0011] In some embodiments, the main body portion further includes a third connection segment disposed at the second end. The second lead-out portion is connected to the second connection segment through the third connection segment, and the second lead-out portion is located between the third connection segment and the battery body.

[0012] In some embodiments, the first receiving groove is disposed in the first connection segment, and the second receiving groove is disposed in the second connection segment or the third connection segment.

[0013] In some embodiments, the lead-out member further includes a first bending segment disposed at the edge of the first connection segment and connecting the first lead-out portion and the first connection segment respectively.

[0014] In some embodiments, the battery assembly further includes an insulating layer disposed on a side of the main body portion facing away from the battery body and at least partially located between the first receiving groove and the second receiving groove.

[0015] In some embodiments, the lead-out member further includes a first insulating portion and a second insulating portion. The first insulating portion is disposed between the first connection segment and the battery body; the second insulating portion is disposed between the second connection segment and the battery body.

[0016] In some embodiments, the first insulating portion adhesively bonds the first connection segment and the battery body respectively, and the second insulating portion adhesively bonds the second connection segment and the battery body respectively.

[0017] This application also discloses an electrical device including the battery assembly as described in the above embodiments.

[0018] Advantageous effects: The battery assembly of the embodiments of this application includes: a battery body including a first electrode and a second electrode; a lead-out member including a main body portion and a first terminal, a second terminal, a first lead-out portion, and a second lead-out portion respectively connected to the main body portion. The main body portion is connected to the battery body and has a first receiving groove and a second receiving groove. The first terminal is disposed in the first receiving groove, the second terminal is disposed in the second receiving groove, the first lead-out portion electrically connects the first terminal and the first electrode, and the second lead-out portion electrically connects the second terminal and the second electrode. In the battery assembly of this application, by electrically connecting the first electrode and the first terminal through the first lead-out portion, and electrically connecting the second electrode and the second terminal through the second lead-out portion, electricity can be guided to the first terminal and the second terminal. By receiving the first terminal in the first receiving groove and the second terminal in the second receiving groove, the main body portion of the lead-out member can protect the first terminal and the second terminal, reduce the risk of their deformation, and at the same time can also reduce the space occupation, which is beneficial to improving the yield and the use stability of the product.

[0019] The electrical equipment according to the embodiment of the present application includes the battery assembly as described in the above embodiment, and thus can have all the above technical features and technical effects, which will not be elaborated herein. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0021] Figure 1 It is a schematic perspective view of a battery assembly in an embodiment of the present application;

[0022] Figure 2 It is a schematic top view of a battery assembly in an embodiment of the present application;

[0023] Figure 3 is Figure 2 a cross-sectional view taken along the A-A direction in

[0024] Figure 4 is Figure 3 a partial enlarged view of B in

[0025] Figure 5 It is an exploded view of a battery assembly in an embodiment of the present application;

[0026] Figure 6 It is a schematic perspective view of a lead-out member of a battery assembly in an embodiment of the present application;

[0027] Figure 7 It is another schematic view of a lead-out member of a battery assembly in an embodiment of the present application;

[0028] Reference numerals: 1, battery body; 11, first electrode; 12, second electrode; 2, lead-out member; 21, main body part; 22, first terminal; 23, second terminal; 24, first lead-out part; 25, second lead-out part; 211, first accommodation groove; 212, second accommodation groove; 13, first end; 14, second end; 213, first connection section; 214, second connection section; 15, outer peripheral wall; 215, third connection section; 26, first bending section; 3, insulating layer; 27, first insulating part; 28, second insulating part; 271, first bonding part; 272, second bonding part. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0030] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application. In the description of the present application, the meaning of "a plurality" is two or more, and at least one means it can be one, two or more, unless otherwise specifically defined. The terms "first", "second", "third", etc. are only used for naming the components or embodiments by numbers for the convenience of description, and do not imply an important order among the components or embodiments.

[0031] As a preface to the embodiments of the present application, steel button cells are mostly used in electronic devices with a small space such as wireless earphones. Generally, nickel sheets are welded to the positive and negative electrodes for lead-out, and then connected to a protection circuit module (PCM, Protection Circuit Module). However, in the existing lead-out method, due to the existence of pins, it will occupy the internal space of the electronic device, which is not conducive to the layout of small-space electronic devices; at the same time, the protruding pins have a risk of deformation during the production, manufacturing and assembly processes, and it is easy to cause problems of poor assembly.

[0032] In view of this, the embodiments of the present application provide a battery assembly, aiming to solve at least one of the above technical problems.

[0033] Please refer to Figures 1 to 6 As shown, a battery assembly according to an embodiment of the present application includes: a battery body 1 and a lead-out member 2. Among them, the battery body 1 includes a first electrode 11 and a second electrode 12; the lead-out member 2 includes a main body portion 21 and a first terminal 22, a second terminal 23, a first lead-out portion 24 and a second lead-out portion 25 respectively connected to the main body portion 21. The main body portion 21 is connected to the battery body 1. Both the first terminal 22 and the second terminal 23 are provided on the main body portion 21. The first lead-out portion 24 is electrically connected to the first terminal 22 and the first electrode 11, and the second lead-out portion 25 is electrically connected to the second terminal 23 and the second electrode 12. By leading out the electricity of the first electrode 11 and the second electrode 12 of the battery body 1 to the first terminal 22 and the second terminal 23, compared with the traditional pin structure, the structure of the present application is not easy to deform, occupies less space, and is easier to assemble.

[0034] In some embodiments, the main body portion 21 has a first receiving groove 211 and a second receiving groove 212. The first terminal 22 is disposed in the first receiving groove 211, and the second terminal 23 is disposed in the second receiving groove 212.

[0035] It should be understood that in this embodiment, by providing the first terminal 22, the second terminal 23, the first lead portion 24, and the second lead portion 25 on the main body portion 21, the first lead portion 24 electrically connects the first electrode 11 and the first terminal 22, and the second lead portion 25 electrically connects the second electrode 12 and the second terminal 23. The first terminal 22 is received in the first receiving groove 211 opened on the main body portion 21, and the second terminal 23 is received in the second receiving groove 212 opened on the main body portion 21. With the above-mentioned lead-out method, the product has a high structural integration degree, and the assembly method is simple, which can avoid the risk of deformation caused by the exposure of the pins. At the same time, the first receiving groove 211 and the second receiving groove 212 make the battery assembly more stable during the production and assembly process and during use.

[0036] In some embodiments, the battery body 1 has a first end 13 and a second end 14 facing away from each other (as Figure 3 shown in Figure 4 ); please refer to Figure 5 shown in Figure 6 ; the main body portion 21 includes a first connection segment 213 and a second connection segment 214 connected to each other. The first connection segment 213 is disposed at the first end 13, the first lead portion 24 is connected to the first connection segment 213 and is located between the first connection segment 213 and the battery body 1. The second connection segment 214 is disposed on the outer peripheral wall 15 of the battery body 1 (as Figure 3 shown in

[0037] ); the second lead portion 25 is disposed at the second end 14 and is connected to the second connection segment 214. The outer peripheral wall 15 extends from the first end 13 to the second end 14. It should be understood that the first end 13 of the battery body 1 is the position where the first electrode 11 is located, and the second end 14 of the battery body 1 is the position where the second electrode 12 is located. The first lead portion 24 is disposed between the first connection segment 213 and the battery body 1, which can reduce the space occupied by the electronic device. At the same time, the first lead portion 24 adopts a sandwich arrangement method, which can stably connect the first electrode 11 and the first connection segment 213 to ensure the connection reliability between the first electrode 11 and the first terminal 22. The second lead portion 25 is disposed at the second end 14 of the battery body 1. The three-section structure composed of the second lead portion 25, the first connection segment 213, and the second connection segment 214 can be sleeved on the battery body 1, which fully ensures the connection reliability and stability between the lead-out member 2 and the battery body 1. It should be understood that in some embodiments, the second electrode 12 can be disposed on the outer peripheral wall 15 or the first end 13 and is located outside the first electrode 11.

[0038] In some embodiments, referring to Figure 5 as shown, both the first receiving groove 211 and the second receiving groove 212 are provided in the first connecting section 213. By providing the first receiving groove 211 and the second receiving groove 212 in the first connecting section 213, both the first terminal 22 and the second terminal 23 are arranged at the first end 13 of the battery body 1, and by using the method of leading out from the same end face, it does not occupy other spaces, thus improving the production, manufacturing and assembly efficiency of the battery assembly.

[0039] In some embodiments, referring to Figure 7 as shown, the main body portion 21 further includes a third connecting section 215. The third connecting section 215 is provided at the second end 14. The second lead-out portion 25 is connected to the second connecting section 214 through the third connecting section 215, and the second lead-out portion 25 is located between the third connecting section 215 and the battery body 1. The second lead-out portion 25 is provided between the third connecting section 215 and the battery body 1. On the one hand, it can reduce the space occupied by the electronic device. On the other hand, the second lead-out portion 25 adopts a sandwich arrangement method, which can stably connect the first electrode 11 and the first connecting section 213 to ensure the connection reliability between the first electrode 11 and the first terminal 22. The third connecting section 215 can play a role in protecting the second lead-out portion 25, avoiding extrusion deformation and damage during the production, manufacturing and assembly of the battery assembly, and improving the protection and stability of the battery assembly.

[0040] In some embodiments, the first receiving groove 211 is provided in the first connecting section 213, and the second receiving groove 212 is provided in the second connecting section 214 or the third connecting section 215. According to the requirements of the electronic device, the opening positions of the first receiving groove 211 and the second receiving groove 212 can be adjusted, so as to provide more flexible choices for the lead-out positions of the first electrode 11 and the second electrode 12.

[0041] In some embodiments, referring to Figures 4 to 6 as shown, the lead-out member 2 further includes a first bending section 26. The first bending section 26 is provided at the edge of the first connecting section 213 and is respectively connected to the first lead-out portion 24 and the first connecting section 213. By connecting the first connecting section 213 and the first lead-out portion 24 through the first bending section 26, the first lead-out portion 24 and the first connecting section 213 are more closely attached, avoiding bending breakage or warping at the connection between the first lead-out portion 24 and the first connecting section 213, which may cause poor assembly.

[0042] In some embodiments, referring to Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the battery assembly further includes an insulating layer 3, which is disposed on the side of the main body portion 21 facing away from the battery body 1 and at least partially located between the first receiving groove 211 and the second receiving groove 212. Exemplarily, the insulating layer 3 can be a PI (Polyimide) tape, which can insulate the first terminal 22 and the second terminal 23.

[0043] In some embodiments, please refer to Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, the lead-out member 2 further includes a first insulating portion 27 and a second insulating portion 28. The first insulating portion 27 is disposed between the first connecting section 213 and the battery body 1; the second insulating portion 28 is disposed between the second connecting section 214 and the battery body 1. Exemplarily, the first insulating portion 27 and the second insulating portion 28 can be double-sided tapes, which are used to bond the main body portion 21 and the battery body 1. At the same time, the double-sided tape can also bond the first lead-out portion 24 and the main body portion 21. In some embodiments, the first insulating portion 27 bonds the first connecting section 213 and the battery body 1 respectively, and the second insulating portion 28 bonds the second connecting section 214 and the battery body 1 respectively. On the side of the first insulating portion 27 facing the main body portion 21, there is a first bonding portion 271 (as shown in Figure 4 ), the first insulating portion 27 is connected to the main body portion 21 through the first bonding portion 271. On the side of the first insulating portion 27 facing the battery body 1, there is a second bonding portion 272 (as shown in Figure 4 ), the first insulating portion 27 is connected to the battery body 1 through the second bonding portion 272. Exemplarily, the first insulating portion 27 can be a three-layer structure, with an insulating material in the middle layer, such as polypropylene, polyethylene, polyimide film, etc., and adhesive materials on both sides of the middle layer, such as double-sided tape. The second insulating portion 28 bonds the second connecting section 214 and the battery body 1 through a third bonding portion and a fourth bonding portion respectively. The third bonding portion and the fourth bonding portion are similar to the first bonding portion and the second bonding portion, so they are not shown.

[0044] The present application also discloses an electrical device, including the battery assembly described in the above embodiments. Therefore, it can have all the above technical features and technical effects, which will not be elaborated here. The electrical device can be a wireless earphone, a watch, a mobile phone, an electric toy, an electric tool, etc. For example, the electric toy includes a fixed or mobile electric toy, such as a game console, an electric vehicle toy, an electric ship toy, an electric aircraft toy, etc.; the electric tool includes a metal cutting electric tool, a grinding electric tool, an assembly electric tool, and a railway electric tool, such as an electric drill, an electric grinding wheel, an electric wrench, an electric screwdriver, a hammer drill, an impact drill, a concrete vibrator, and a planer, etc.

[0045] In the above embodiments, the descriptions of the various embodiments each have their own focuses. For the parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0046] The above has introduced in detail the battery assembly and the electrical equipment provided by the embodiments of the present application, and specific examples have been used to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the technical solution and its core idea of the present application; those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A battery assembly, characterized in that, Comprising: A battery body, the battery body including a first electrode and a second electrode; A lead-out member, the lead-out member including a main body portion, a first terminal, a second terminal, a first lead-out portion, and a second lead-out portion respectively connected to the main body portion. The main body portion is connected to the battery body. The first terminal and the second terminal are both disposed on the main body portion. The first lead-out portion electrically connects the first terminal and the first electrode, and the second lead-out portion electrically connects the second terminal and the second electrode.

2. The battery assembly according to claim 1, wherein, The main body portion has a first receiving groove and a second receiving groove. The first terminal is disposed in the first receiving groove, and the second terminal is disposed in the second receiving groove.

3. The battery assembly according to claim 2, characterized in that, The battery body has a first end and a second end facing away from each other; The main body portion includes a first connection segment and a second connection segment connected to each other. The first connection segment is disposed at the first end. The first lead-out portion is connected to the first connection segment and is located between the first connection segment and the battery body. The second connection segment is disposed on the outer peripheral wall of the battery body. The second lead-out portion is disposed at the second end and is connected to the second connection segment. The outer peripheral wall extends from the first end to the second end.

4. The battery assembly according to claim 3, characterized in that, Both the first receiving groove and the second receiving groove are provided in the first connection segment.

5. The battery assembly according to claim 3, wherein The main body portion further includes a third connection segment disposed at the second end. The second lead-out portion is connected to the second connection segment through the third connection segment, and the second lead-out portion is located between the third connection segment and the battery body.

6. The battery assembly according to claim 5, characterized in that, The first receiving groove is provided in the first connection segment, and the second receiving groove is provided in the second connection segment or the third connection segment.

7. The battery assembly according to claim 3, wherein The lead-out member further includes a first bending segment disposed at the edge of the first connection segment and respectively connecting the first lead-out portion and the first connection segment.

8. The battery assembly according to claim 2, wherein The battery assembly further includes an insulating layer disposed on a side of the main body portion facing away from the battery body and at least partially located between the first receiving groove and the second receiving groove.

9. The battery assembly according to claim 3, wherein The lead-out member further includes a first insulating portion and a second insulating portion. The first insulating portion is disposed between the first connection segment and the battery body. The second insulating portion is disposed between the second connection segment and the battery body.

10. The battery component according to claim 9, characterized in that, The first insulating portion adhesively bonds the first connection segment and the battery body respectively, and the second insulating portion adhesively bonds the second connection segment and the battery body respectively.

11. An electrical device, characterized in that, Including the battery assembly according to any one of claims 1 to 10.