Battery and electronic device using the battery

By providing a protruding portion on the battery case for easy positioning, the problem of the battery being interrupted due to rotation in the electrical device is solved, and the space utilization and energy efficiency of the battery are improved.

CN111864148BActive Publication Date: 2025-04-22NINGDE AMPEREX TECHNOLOGY LTD
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Patent Information

Application Number
CN202010873002.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-08-26
Publication Date
2025-04-22
Estimated Expiration
2040-08-26

AI Technical Summary

Technical Problem

When existing batteries are installed inside the electrical device, they are prone to interruption of connection due to rotation, which increases the risk of poor contact and short circuit.

Method used

A battery is designed, and its housing includes a first housing and a second housing, the battery cell is contained in a storage tank, and a protruding portion is provided on the housing for easy positioning.

Benefits of technology

Through the design of the protruding portion, the battery can be effectively positioned with other components in the electronic device, avoiding the space occupied by the external positioning sheet, thereby improving the battery space utilization rate and reducing energy loss.

✦ Generated by Eureka AI based on patent content.

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Abstract

A battery includes a cell and a shell, the shell includes a first shell and a second shell, the first shell includes a bottom wall and a side wall, the side wall is arranged around the bottom wall to cooperate and enclose to form a receiving groove, the second shell is arranged at the end of the side wall away from the bottom wall so as to receive the cell in the receiving groove, the battery also includes a protrusion, the protrusion protrudes from the outer surface of the side wall, the outer periphery of the bottom wall or the outer periphery of the second shell in a direction away from the center line of the receiving groove, which is conducive to reducing the energy loss of the battery. The present application also provides an electronic device using the battery.
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Description

Technical Field

[0001] The present application relates to a battery and an electronic device using the battery. Background Art

[0002] If the existing battery cannot be effectively fixed or positioned when installed inside an electrical device, then when the battery rotates in the electrical device, the connection between the battery and the electrical device is easily interrupted or even broken, resulting in the risk of poor contact or even short circuit. Summary of the invention

[0003] In view of the above situation, it is necessary to provide a battery that is beneficial to reducing energy loss and easy to position.

[0004] It is also necessary to provide an electronic device using the battery.

[0005] A battery of the present application includes a battery cell and a shell, wherein the shell includes a first shell and a second shell, wherein the first shell includes a bottom wall and a side wall, wherein the side wall is arranged around the bottom wall to cooperate to form a receiving groove, and the second shell is arranged at the end of the side wall away from the bottom wall so as to receive the battery cell in the receiving groove, and the battery also includes a protrusion, which protrudes from the outer surface of the side wall, the outer periphery of the bottom wall or the outer periphery of the second shell in a direction away from the center line of the receiving groove.

[0006] As a solution of the present application, the protruding portions include a plurality of protruding portions, and are distributed on the shell at equal or unequal intervals.

[0007] As a solution of the present application, the protruding portion includes a first protruding portion and a second protruding portion, the first protruding portion is arranged on the second shell, and the second protruding portion is arranged on the first shell.

[0008] As a solution of the present application, a projection of the first protruding portion on the bottom wall coincides with or is spaced apart from a projection of the second protruding portion on the bottom wall.

[0009] As a solution of the present application, the battery is a round button battery, and the protruding portion protrudes from the shell along the radial direction of the battery.

[0010] As a solution of the present application, the first shell and the second shell are stacked along a first direction, the thickness of the protruding portion along the first direction is 0.05mm~0.5mm, the length of the protruding portion along the radial direction is 0.5mm~5mm, and the straight line width of the connection between the protruding portion and the shell is 0.5mm~3mm.

[0011] As a solution of the present application, the protruding portion is formed by extending the shell, or the protruding portion is provided on the shell by welding or bonding.

[0012] As a solution of the present application, the material of the protruding portion is the same as or different from the material of the shell or the second shell.

[0013] As a solution of the present application, the protruding portion is bonded to the shell through an adhesive layer, wherein the thickness of the adhesive layer is 0.005 mm to 0.1 mm.

[0014] An electronic device of the present application includes the battery as described above.

[0015] In the battery of the present application, the protruding portion protrudes from the outer surface of the side wall, the outer periphery of the bottom wall or the outer periphery of the second shell in a direction away from the center line of the receiving groove. When the battery is installed in an electronic device, it can be effectively positioned in coordination with other components / structures in the electronic device, and the protruding portion avoids the situation where the external positioning piece occupies the top space of the battery, thereby helping to improve the utilization rate of the battery space and reduce energy loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of a battery according to one embodiment of the present application.

[0017] Figure 2 for Figure 1 A top view of the battery is shown.

[0018] Figure 3 for Figure 2 The battery shown is a schematic cross-sectional view along the III-III direction.

[0019] Figure 4 It is a schematic structural diagram of the second shell of the first embodiment of the present application.

[0020] Figure 5 This is a schematic structural diagram of the second shell of the second embodiment of the present application.

[0021] Figure 6 This is a schematic structural diagram of the first shell of the third embodiment of the present application.

[0022] Figure 7 It is a cross-sectional schematic diagram of the first shell of the third embodiment of the present application.

[0023] Figure 8 It is a schematic structural diagram of the first shell of the fourth embodiment of the present application.

[0024] Fig. 9This is a schematic structural diagram of the first shell of the fifth embodiment of the present application.

[0025] Fig.10 It is a cross-sectional schematic diagram of a battery according to the sixth embodiment of the present application.

[0026] Fig.11 It is a cross-sectional schematic diagram of a battery according to the seventh embodiment of the present application.

[0027] Fig.12 This is a schematic structural diagram of the shell of the eighth embodiment of the present application.

[0028] Fig.13 This is a schematic structural diagram of the second shell of the ninth embodiment of the present application.

[0029] Fig.14 This is a schematic structural diagram of the first shell of the tenth embodiment of the present application.

[0030] Fig.15 It is a schematic structural diagram of an electronic device according to one embodiment of the present application.

[0031] Main component symbols

[0032] Battery 100

[0033] Battery 10

[0034] Housing 30

[0035] First housing 31

[0036] Second housing 33

[0037] Opening 311

[0038] Storage tank 310

[0039] Bottom wall 312

[0040] Side wall 313

[0041] Protrusion 35

[0042] First end portion 313a

[0043] The second end portion 313b

[0044] First direction X

[0045] First protruding portion 35a

[0046] Second protruding portion 35b

[0047] The third protrusion 35c

[0048] Adhesive layer 50

[0049] Electronic device 200

[0050] The following specific implementation methods will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0051] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0052] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0053] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0054] See also Figures 1 to 3 The battery 100 includes a battery cell 10 and a shell 30. The shell 30 includes a first shell 31 and a second shell 33. The first shell 31 includes a bottom wall 312 and a side wall 313, the side wall 313 is arranged around the bottom wall 312 to cooperate and enclose to form a receiving groove 310, and the second shell 33 is arranged at the end of the side wall 313 away from the bottom wall 312 so as to accommodate the battery cell 10 in the receiving groove 310. Specifically, the battery cell 10 is placed into the receiving groove 310 from the opening 311. The battery 100 also includes a protrusion 35, which protrudes from the outer surface of the side wall 313, the outer periphery of the bottom wall 312 or the outer periphery of the second shell 33 in a direction away from the center line of the receiving groove 310. When the battery is installed in an electronic device, the protruding portion 35 can effectively cooperate with other components / structures in the electronic device for positioning, and the protruding portion 35 avoids the situation where the external positioning piece occupies the top space of the battery, which is beneficial to improve the utilization rate of the battery space and reduce energy loss.

[0055] like Figure 3 As shown, the side wall 313 includes a first end 313 a and a second end 313 b that are opposite to each other. The first end 313 a is combined with the bottom wall 312 , and the second end 313 b is combined with the second shell 33 .

[0056] The number of the protruding portion 35 may be one or more. When there are multiple protruding portions 35, the multiple protruding portions 35 may be distributed on the housing 30 at equal intervals or at unequal intervals.

[0057] In this implementation, see Figure 2 and Figure 4 , the battery 100 may be a round button battery, wherein the protruding portion 35 protrudes from the housing 30 along the radial direction of the battery 100. In this embodiment, the protruding portion 35 is rectangular.

[0058] In this embodiment, please combine Figure 1 , Figure 3 and Figure 4 The first shell 31 and the second shell 33 are stacked along the first direction X, the thickness T of each protrusion 35 along the first direction X can be 0.05mm~0.5mm, the length L of each protrusion 35 protruding along the radial direction can be 0.5mm~5mm, and the straight line width W of the connection between each protrusion 35 and the shell 30 can be 0.5mm~3mm.

[0059] In some embodiments, the protruding portion 35 may not protrude along the radial direction of the battery 100 .

[0060] In some embodiments, the battery 100 may also be in other shapes, such as regular shapes such as rectangle, triangle, hexagon or other irregular shapes. The protrusion 35 may also be in other shapes, such as regular shapes such as triangle, arc or other irregular shapes.

[0061] In this embodiment, the protrusion 35 can be directly extended from the housing 30. In this case, the material of the protrusion 35 is the same as the material of the first housing 31 or the second housing 33 connected thereto. In some embodiments, the protrusion 35 can also be provided on the housing 30 by welding or bonding. In this case, the material of the protrusion 35 is the same as or different from the material of the first housing 31 or the second housing 33 connected thereto.

[0062] The battery of the present application is further described below through examples.

[0063] First embodiment

[0064] In this example, see Figure 3 and Figure 4 The protrusion 35 is directly extended outward from the outer periphery of the second shell 33, and the protrusion 35 exceeds the side wall 313. In this embodiment, the battery 100 is a round button battery, and the protrusion 35 is arranged along the radial direction of the battery 100. The thickness of the protrusion 35 is consistent with the thickness of the second shell 33.

[0065] In some embodiments, the thickness of the protruding portion 35 may also be smaller than or larger than the thickness of the second shell 33 .

[0066] Second embodiment

[0067] See also Figure 5 , which is different from the first embodiment in that the number of the protruding portions 35 is more than one. In this embodiment, the number of the protruding portions 35 is two, and the two protruding portions 35 are spaced apart and located in the same radial direction of the battery 100.

[0068] In some embodiments, the two protruding portions 35 may also be located in two different radial directions of the battery 100. The number of the protruding portions 35 is not limited to two, and may be more than two.

[0069] Third embodiment

[0070] See also Figure 6 and Figure 7 , which is different from the first embodiment in that the protruding portion 35 is directly extended from the second end portion 313 b of the side wall 313 along the radial direction of the battery 100 .

[0071] Fourth embodiment

[0072] See also Figure 8 , which is different from the third embodiment in that the number of the protrusions 35 is more than one. In this embodiment, the number of the protrusions 35 is two, and the two protrusions 35 are spaced apart and located in the same radial direction of the battery 100. In some embodiments, the two protrusions 35 may also be located in two different radial directions of the battery 100. The number of the protrusions 35 is not limited to two, and may be more than two.

[0073] Fifth embodiment

[0074] See also Fig. 9 The difference from the first embodiment is that the protrusion 35 is directly extended outward from the outer periphery of the bottom wall 312, and the protrusion 35 exceeds the side wall 313. The thickness of the protrusion 35 is consistent with the thickness of the bottom wall 312.

[0075] In some embodiments, the thickness of the protruding portion 35 may be smaller or larger than the thickness of the bottom wall 312 .

[0076] Sixth embodiment

[0077] See also Fig.10, which is different from the first embodiment, is that the protrusion 35 includes a first protrusion 35a and a second protrusion 35b, wherein the first protrusion 35a is formed by extending outward from the outer periphery of the second shell 33, and the first protrusion 35a exceeds the side wall 313; the second protrusion 35b is formed by extending from the second end 313b of the side wall 313 along the radial direction of the battery 100.

[0078] The projection interval between the first protruding portion 35a and the second protruding portion 35b on the plane where the bottom wall 312 is located.

[0079] Seventh embodiment

[0080] See also Fig.11 , which is different from the sixth embodiment in that the projections of the first protruding portion 35a and the second protruding portion 35b on the plane where the bottom wall 312 is located coincide with each other.

[0081] Eighth embodiment

[0082] See also Fig.12 , which is different from the sixth embodiment, in that the protruding portion 35 further includes a third protruding portion 35 c, and the third protruding portion 35 c is directly extended outward from the outer peripheral edge of the bottom wall 312 , and the protruding portion 35 exceeds the side wall 313 .

[0083] Projections of the first protruding portion 35a and the second protruding portion 35b on the plane where the bottom wall 312 is located are respectively spaced apart from the third protruding portion 35c.

[0084] Ninth embodiment

[0085] See also Fig.13 , which is different from the first embodiment in that the protruding portion 35 is bonded to the outer periphery of the second shell 33 through an adhesive layer 50 .

[0086] In this embodiment, the thickness of the adhesive layer 50 is 0.005 mm to 0.1 mm.

[0087] Tenth embodiment

[0088] See also Fig.14 , which is different from the seventh embodiment in that the protruding portion 35 is bonded to the side wall 313 through an adhesive layer 50 and is arranged along the radial direction of the battery 100 .

[0089] See also Fig.15The battery 100 is applied to an electronic device 200, which may be a mobile phone, a tablet computer, an e-reader, a notebook computer, a vehicle-mounted device, a wearable device, etc. The protruding portion 35 of the battery 100 cooperates with other components / structures of the electronic device for positioning.

[0090] In the battery 100 of the present application, the protruding portion 35 protrudes from the outer surface of the side wall 313, the outer periphery of the bottom wall 312 or the outer periphery of the second shell 33 in a direction away from the center line of the receiving groove 310. When the battery is installed in an electronic device, it can be effectively positioned in coordination with other components / structures in the electronic device, and the protruding portion 35 avoids the situation where the external positioning piece occupies the top space of the battery, thereby helping to improve the utilization rate of the battery space and reduce energy loss.

[0091] In addition, for ordinary technicians in this field, various other corresponding changes and modifications can be made according to the technical concept of this application, and all these changes and modifications should fall within the protection scope of the claims of this application.

Claims

1. A battery, comprising a cell and a shell, the shell comprising a first shell and a second shell, the first shell comprising a bottom wall and a side wall, the side wall being arranged around the bottom wall to cooperate and enclose to form a receiving groove, the second shell being arranged at the end of the side wall away from the bottom wall so as to receive the cell in the receiving groove, characterized in that: The battery further includes a protrusion, the protrusion protruding from the outer surface of the side wall, the outer periphery of the bottom wall or the outer periphery of the second shell in a direction away from the center line of the receiving groove, the battery is a round button battery, and the protrusion protrudes from the shell in a radial direction of the battery; The protrusion includes a first protrusion and a second protrusion, the first protrusion is arranged on the outer periphery of the second shell, the second protrusion is arranged on the end of the outer surface of the side wall away from the bottom wall, and the projection of the first protrusion on the plane where the bottom wall is located coincides with the projection of the second protrusion on the plane where the bottom wall is located.

2. The battery according to claim 1, characterized in that The protruding parts include a plurality of protruding parts, and are distributed at equal or non-equal intervals.

3. The battery according to claim 1, characterized in that The first shell and the second shell are stacked along a first direction, the thickness of the protruding portion along the first direction is 0.05mm~0.5mm, the length of the protruding portion along the radial direction is 0.5mm~5mm, and the straight line width of the connection between the protruding portion and the shell is 0.5mm~3mm.

4. The battery according to claim 1, characterized in that The protruding portion is formed by extending the shell, or the protruding portion is arranged on the shell by welding or bonding.

5. The battery according to claim 4, characterized in that The protruding portion is bonded to the shell via an adhesive layer, and the thickness of the adhesive layer is 0.005 mm to 0.1 mm.

6. The battery according to claim 1, characterized in that The material of the protruding portion is the same as or different from the material of the shell or the second shell.

7. An electronic device, characterized in that: The electronic device comprises the battery according to any one of claims 1-6.

Citation Information

Patent Citations

  • Shell and rechargeable battery

    CN208889716U

  • Battery and electronic device applying battery

    CN212434782U