CN215644872U - Energy storage device and electronic equipment - Google Patents
Energy storage device and electronic equipment Download PDFInfo
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- CN215644872U CN215644872U CN202122086944.3U CN202122086944U CN215644872U CN 215644872 U CN215644872 U CN 215644872U CN 202122086944 U CN202122086944 U CN 202122086944U CN 215644872 U CN215644872 U CN 215644872U
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- storage device
- energy conversion
- energy storage
- conversion element
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The embodiment of the utility model provides an energy storage device and electronic equipment; the energy storage device comprises a shell, an energy conversion element and a cover plate assembly; an opening is formed at one side of the shell; the energy conversion element is arranged in the shell; the apron subassembly covers the opening, the apron subassembly include the apron and set up in sealing washer and metal sheet on the apron, the sealing washer connect in the apron with between the metal sheet, the apron with the casing is connected, just the apron link up along its thickness direction and is formed with the through-hole, be formed with the orientation on the metal sheet the protruding structure that energy conversion component extends, protruding structure passes the through-hole, and with the energy conversion component electricity is connected. According to the scheme provided by the utility model, the connection distance between the cover plate assembly and the energy conversion element can be shortened, so that the electrical connection between the cover plate assembly and the energy conversion element is facilitated.
Description
Technical Field
The utility model relates to the technical field of energy storage equipment, in particular to an energy storage device and electronic equipment.
Background
Currently, an electronic device usually needs to use an energy storage device to provide power to maintain the normal operation of the electronic device.
In the related art, an energy conversion element in an energy storage device is welded to a metal region of a top cover through an electrical connection portion (e.g., a tab) to achieve electrical conduction therebetween. However, in the conventional structure, a certain distance exists between the electrical connection portion of the energy conversion element and the top cover, which causes problems of unstable connection, easy disconnection of the connection portion, and the like during welding of the two, and this may affect normal use of the energy storage device, and further affect normal operation of the electronic device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a new technical scheme of an energy storage device and electronic equipment.
According to an aspect of the present invention, there is provided an energy storage device including:
a housing having an opening formed at one side thereof;
an energy conversion element disposed within the housing;
the apron subassembly, the apron subassembly covers the opening, the apron subassembly include the apron and set up in sealing washer and metal sheet on the apron, the sealing washer connect in the apron with between the metal sheet, the apron with the casing is connected, just the apron link up along its thickness direction and is formed with the through-hole, be formed with the orientation on the metal sheet the protruding structure that energy conversion component extends, protruding structure passes the through-hole, and with the energy conversion component electricity is connected.
Optionally, a positioning structure extending into the through hole is formed on the surface of the sealing ring connected with the cover plate.
Optionally, the positioning structure is inserted into the through hole and abuts against the hole wall of the through hole.
Optionally, the positioning structure is annular in cross-section.
Optionally, the cover plate, the sealing ring and the metal plate are of an integrated structure.
Optionally, the surface of the protruding structure electrically connected with the energy conversion element is a planar structure.
Optionally, at least one pad is disposed on a surface of the bump structure.
Optionally, the energy conversion element comprises an energy conversion element body and at least one electrical connection portion connected with the energy conversion element body, and the electrical connection portion is electrically connected with the protruding structure.
Optionally, the energy conversion element body is a winding type bare cell or a laminated type bare cell.
In a second aspect, the present invention also provides an electronic device, including:
an apparatus main body; and
the energy storage device is arranged on the equipment main body and is electrically connected with the equipment main body.
One beneficial effect of the disclosed embodiment is that:
the cover plate assembly is provided with a metal plate, a protruding structure extending towards the energy conversion element is formed on the metal plate, the protruding structure on the metal plate is connected with the energy conversion element, the protruding structure can reduce the connection distance between the protruding structure and the energy conversion element, the protruding structure is favorable for electric connection between the protruding structure and the energy conversion element, and the electric connection between the protruding structure and the energy conversion element is more stable and is not easy to break.
Other features of the present description and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the specification and together with the description, serve to explain the principles of the specification.
Fig. 1 is a schematic structural diagram of an energy storage device according to an embodiment of the present invention.
Fig. 2 is a second schematic structural diagram of an energy storage device according to an embodiment of the present invention.
Reference numerals:
1-shell, 2-energy conversion element, 21-pole ear, 3-cover plate component, 31-cover plate, 311-through hole, 32-sealing ring, 321-positioning structure, 33-metal plate and 331-bulge structure.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In some embodiments of the present invention, as shown in fig. 1 and 2, an energy storage device is provided.
The energy storage device is, for example, a soft package battery or a steel shell battery.
For example, the cross section of the energy storage device is circular or square, etc.
The energy storage device can be applied to various types of electronic equipment, can be used for providing electric quantity for the electronic equipment, can be used for the electronic equipment to normally use, and can maintain a certain duration.
According to an embodiment of the present invention, there is provided an energy storage device, as shown in fig. 1 and 2, having a structure in which: comprises a shell 1, an energy conversion element 2 and a cover plate component 3; an opening is formed at one side of the shell 1; the energy conversion element 2 is arranged in the shell 1; the cover plate assembly 3 covers the opening, wherein the cover plate assembly 3 includes a cover plate 31, and a seal ring 32 and a metal plate 33 which are disposed on the cover plate 31, the seal ring 32 is connected between the cover plate 31 and the metal plate 33, the cover plate 31 is connected with the housing 1, a through hole 311 is formed through the cover plate 31 along the thickness direction thereof, a protrusion structure 331 extending toward the energy conversion element 2 is formed on the metal plate 33, and the protrusion structure 331 passes through the through hole 311 and is electrically connected with the energy conversion element 2.
In the related art, an energy conversion element in an energy storage device, such as a battery cell, is usually welded to a top cover of the energy storage device, however, the distance between the energy conversion element and the top cover is large, which may cause inconvenience in welding, may not be welded, or may not be welded firmly after welding, and is not stable, and may be easily disconnected, which may affect the use of the energy storage device.
In the energy storage device provided by the embodiment of the utility model, a metal plate 33 is disposed in the cover plate assembly 3, and a protruding structure 331 extending toward the energy conversion element 2 is formed on the metal plate 33, and the protruding structure 331 can be used for connecting with the energy conversion element 2 to realize electrical conduction. The design of the protruding structure 331 on the metal plate 33 can significantly reduce the connection distance with the energy conversion element 2, which is beneficial to make the electrical connection between the two easier, and make the electrical connection between the two more stable and not easy to break.
That is to say, the solution provided by the embodiment of the present invention improves the disadvantages existing in the prior art, and in the whole manufacturing process of the energy storage device (for example, a battery), the electrical connection between the energy conversion element 2 and the cover plate assembly 3 becomes easier, and the phenomenon of non-welding or weak after welding does not occur, so as to facilitate the simplification of the production process of the energy storage device.
The housing 1 is made of metal, for example.
In some examples of the utility model, the housing 1 is a steel housing that can be used to form a steel-can battery.
Of course, the housing 1 may also be made of metal plastic composite material or plastic material (such as polyether ketone, polyether ether ketone, etc.), which may be used to form a pouch battery. The skilled person can flexibly adjust the specific material of the housing 1 according to the specific situation, which is not limited in the present invention.
An accommodating chamber is formed in the housing 1. The energy conversion element 2 is arranged in the accommodating cavity.
An opening is formed in one side of the shell 1, the cover plate component 3 covers the opening of the shell 1, and the cover plate component 3 is connected with the shell 1 to form a closed space.
Wherein, the cover plate 31 in the cover plate component 3 is fixedly connected with the shell 1.
For example, the edge of the cover plate 31 and the housing 1 may be connected by welding.
The welding is, for example, ultrasonic welding or resistance welding, and those skilled in the art can flexibly select the welding according to specific situations, which is not limited in the present invention.
In the energy storage device provided by the embodiment of the utility model, the cover plate assembly 3 includes a sealing ring 32, the sealing ring 32 is in a ring-shaped structure, and a hollow area is formed in the center of the sealing ring 32, through which the protruding structure 331 on the metal plate 33 can pass, so that the protruding structure 331 is connected with the energy conversion element 2.
In some examples of the present invention, as shown in fig. 2, a positioning structure 321 extending into the through hole 311 is formed on a surface of the sealing ring 32 connected to the cover plate 31.
In the solution of the present invention, the design of the positioning structure 321 facilitates the assembly of the sealing ring 32 on the cover plate 31.
The positioning structure 321 on the sealing ring 32 is inserted into the through hole 311 and abuts against the hole wall of the through hole 311. This design facilitates the positioning of the sealing ring 32 between the metal plate 33 and the cover plate 31.
The positioning structure 321 has a ring-shaped cross section, for example.
The positioning structure 321 on the sealing ring 32 and the sealing ring 32 are integrally formed.
In some examples of the present invention, the cover plate 31, the seal ring 32, and the metal plate 33 are an integrated structure.
That is, the cap plate 31 and the metal plate 33 are formed as an integral piece by the packing 32 to form the cap plate assembly 3. For example, the gasket 32 is made of a non-metal material, and the cover plate 31 and the metal plate 33 may be integrated with the gasket 32 by heat sealing.
When the energy storage device is assembled, the whole cover plate assembly 3 covers the opening of the shell 1, and the cover plate 31 is connected with the shell 1, so that the whole cover plate assembly 3 can be fixed on the opening of the shell 1.
In some examples of the present invention, as shown in fig. 2, a protrusion structure 331 is formed on the metal plate 33, wherein a surface of the protrusion structure 331 electrically connected to the energy conversion element 2 is a planar structure.
For example, the convex structure 331 is located at a central region of the surface of the metal plate 33, which extends toward the energy conversion element 2 to be close to the energy conversion element 2, and the design of the convex structure 331 facilitates the connection of the cover plate assembly 3 with the energy conversion element 2. Wherein the connection is for example a solder connection, such as a resistance solder connection.
In some examples of the utility model, the surface of the protruding structure 331 is provided with at least one pad. The pad is provided to facilitate electrical connection between the bump structure 331 and the energy conversion element 2.
The bonding method between the projection 331 and the energy conversion element 2 on the metal plate 33 is not limited to the above-described bonding method.
The metal plate 33 is, for example, an aluminum plate.
The sealing ring 32 is, for example, a rubber ring or a silicone ring.
In some examples of the present invention, the energy conversion element 2 includes an energy conversion element body and at least one electrical connection portion connected to the energy conversion element body, and the electrical connection portion is electrically connected to the protrusion structure 331.
For example, the energy storage device is a battery, the energy conversion element 2 is a bare cell, the electrical connection portion is a tab 21, the tab 21 may be provided with two tabs, one of the tabs is a positive tab, and the other tab is a negative tab.
Wherein, the energy conversion component body is for example the naked electric core of coiling formula or the naked electric core of lamination formula.
According to another embodiment of the utility model, an electronic device is also provided.
The electronic device provided by the embodiment of the utility model comprises a device main body and the energy storage device as described in any one of the above, wherein the energy storage device is arranged on the device main body and is electrically connected with the device main body.
The energy storage device can be applied to various types of electronic equipment and is used for providing electric quantity for the electronic equipment so as to enable the electronic equipment to have certain endurance time.
For example, the electronic device may be, but is not limited to, a smart phone, a tablet computer, a smart watch, a notebook computer, a game console, an intercom, a headset, an e-book reader, and the like.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (10)
1. An energy storage device, comprising:
the device comprises a shell (1), wherein an opening is formed in one side of the shell (1);
an energy conversion element (2), the energy conversion element (2) being disposed within the housing (1);
apron subassembly (3), apron subassembly (3) covers the opening, apron subassembly (3) including apron (31) and set up in sealing washer (32) and metal sheet (33) on apron (31), sealing washer (32) connect in apron (31) with between metal sheet (33), apron (31) with casing (1) is connected, just apron (31) link up along its thickness direction and are formed with through-hole (311), be formed with the orientation on metal sheet (33) protruding structure (331) that energy conversion component (2) extend, protruding structure (331) pass through-hole (311), and with energy conversion component (2) electricity is connected.
2. The energy storage device as claimed in claim 1, wherein the surface of the sealing ring (32) connected with the cover plate (31) is formed with a positioning structure (321) extending into the through hole (311).
3. Energy storage device according to claim 2, characterized in that said positioning structure (321) is inserted inside said through hole (311) and abuts against the wall of said through hole (311).
4. Energy storage device according to claim 2 or 3, characterized in that the positioning structure (321) is annular in cross-section.
5. Energy storage device according to claim 1, characterized in that the cover plate (31), the sealing ring (32) and the metal plate (33) are of a unitary construction.
6. Energy storage device according to claim 1, characterized in that the surface of the protruding structure (331) electrically connected to the energy conversion element (2) is a planar structure.
7. Energy storage device according to claim 1, characterized in that the raised structure (331) is provided with at least one pad on its surface.
8. Energy storage device according to claim 1, characterized in that the energy conversion element (2) comprises an energy conversion element body and at least one electrical connection to the energy conversion element body, which electrical connection is electrically connected to the protruding structure (331).
9. The energy storage device of claim 8, wherein the energy conversion element body is a wound bare cell or a laminated bare cell.
10. An electronic device, comprising:
an apparatus main body; and
the energy storage device according to any one of claims 1 to 9, which is provided on and electrically connected to the apparatus main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122086944.3U CN215644872U (en) | 2021-08-31 | 2021-08-31 | Energy storage device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122086944.3U CN215644872U (en) | 2021-08-31 | 2021-08-31 | Energy storage device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215644872U true CN215644872U (en) | 2022-01-25 |
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ID=79905114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122086944.3U Active CN215644872U (en) | 2021-08-31 | 2021-08-31 | Energy storage device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215644872U (en) |
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2021
- 2021-08-31 CN CN202122086944.3U patent/CN215644872U/en active Active
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