CN219873936U - Connection piece and battery module - Google Patents
Connection piece and battery module Download PDFInfo
- Publication number
- CN219873936U CN219873936U CN202321151740.6U CN202321151740U CN219873936U CN 219873936 U CN219873936 U CN 219873936U CN 202321151740 U CN202321151740 U CN 202321151740U CN 219873936 U CN219873936 U CN 219873936U
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- CN
- China
- Prior art keywords
- fixing portion
- connecting piece
- port
- fixing part
- fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004891 communication Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a connecting sheet and a battery module, wherein the connecting sheet comprises: a first fixing portion, a second fixing portion, and a connecting portion; the first fixing part and the second fixing part are respectively arranged at two ends of the connecting part; the first fixing part is provided with a first connecting port; the second fixing part is provided with a second connecting port. The first fixing part, the second fixing part and the connecting part are used for replacing the bus bar, and the first connecting port and the second connecting port are connected with the pole of the battery cell, so that the battery cell is connected in series, the bus bar is removed, and the weight and the cost of the module are reduced.
Description
Technical Field
The utility model relates to the field of lithium batteries, in particular to a connecting sheet and a battery module.
Background
In the existing lithium battery module structure, a module cover plate, a side plate and the like play a role in protecting the battery cell; the connection busbar (bus) plays a role in connecting each cell in the module. Each cell is thus connected together to form a via.
In the existing scheme, the bus bars are connected with the battery cells to form a passage, but each battery cell is connected with two bus bars, so that the cost is relatively high, and the bus bars and the riveting blocks on the poles are required to be subjected to laser welding, so that the assembly efficiency of the battery module is low.
The above problems are currently in need of solution.
Disclosure of Invention
The utility model aims to provide a connecting sheet and a module battery, so that the connecting sheet is directly connected with a pole of an electric core, and the bar is removed.
In order to solve the above technical problems, the present utility model provides a connecting piece, including:
a first fixing portion, a second fixing portion, and a connecting portion;
the first fixing part and the second fixing part are respectively arranged at two ends of the connecting part;
the first fixing part is provided with a first connecting port;
the second fixing part is provided with a second connecting port.
Further, the first fixing portion, the second fixing portion and the connecting portion are integrally formed.
Further, the first fixing portion is riveted with the external pole through the first connection port.
Further, a first groove is formed in the side wall of the first connecting port along the radial direction outwards;
the diameter of the first connection port is larger than the diameter of the outer pole.
Further, the second fixing portion is riveted with the external pole through a second connecting port.
Further, a second groove is formed in the side wall of the second connecting port along the radial direction outwards;
the diameter of the second connecting port is larger than that of the outer pole.
Further, at least one first positioning notch is formed in the bottom surface of the first fixing portion.
Further, at least one second positioning notch is formed in the bottom surface of the second fixing portion.
Further, an arc-shaped bulge is arranged in the middle of the connecting part.
The utility model also provides a battery module, which consists of two or more than two battery cells;
the two or more electrode posts of the battery core are electrically connected through the connecting sheet.
The utility model has the beneficial effects that the utility model provides a connecting sheet and a battery module, wherein the connecting sheet comprises: a first fixing portion, a second fixing portion, and a connecting portion; the first fixing part and the second fixing part are respectively arranged at two ends of the connecting part; the first fixing part is provided with a first connecting port; the second fixing part is provided with a second connecting port. The first fixing part, the second fixing part and the connecting part are used for replacing the bus bar, and the first connecting port and the second connecting port are connected with the pole of the battery cell, so that the battery cell is connected in series, the bus bar is removed, and the weight and the cost of the module are reduced.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a connecting piece according to an embodiment of the present utility model.
Fig. 2 is an isometric view of a connecting tab provided by an embodiment of the utility model.
Fig. 3 is a schematic structural view of a battery module according to an embodiment of the present utility model.
In the figure: 100. a connecting sheet; 110. a first fixing portion; 111. a first connection port; 112. a first groove; 120. a second fixing portion; 121. a second connection port; 122. a second groove; 130. a connection part; 131. arc-shaped bulges; 210. and a battery cell.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Referring to fig. 1-2, the present utility model provides a connecting piece 100, comprising: a first fixing portion 110, a second fixing portion 120, and a connecting portion 130; the first fixing portion 110 and the second fixing portion 120 are respectively disposed at both ends of the connection portion 130; the first fixing portion 110 is provided with a first connection port 111; the second fixing portion 120 is provided with a second connection port 121. The first fixing portion 110, the second fixing portion 120 and the connecting portion 130 replace the bus bar, and the first connecting port 111 and the second connecting port 121 are connected with the poles of the battery cell 210, so that the battery cell 210 is connected in series, the bus bar is removed, and the weight and the cost of the module are reduced.
In this embodiment, the first fixing portion 110, the second fixing portion 120, and the connecting portion 130 are integrally formed. The first fixing part 110, the second fixing part 120, and the connecting part 130 are integrally formed, thereby eliminating the welding step between the bar and the rivet block, simplifying the mounting process of the battery module, and improving the mounting efficiency of the battery module. Meanwhile, since the first fixing portion 110, the second fixing portion 120 and the connecting portion 130 adopt an integrally formed structure, the overall height of the battery module is reduced and the space occupied by the module is saved compared with the welding mode of the bus and the riveting block.
In this embodiment, at least one first positioning notch is formed on the bottom surface of the first fixing portion 110. At least one second positioning notch is formed on the bottom surface of the second fixing portion 120. Through setting up first location breach and second location breach and fix a position to make first fixed part 110 and second fixed part 120 and utmost point post accomplish the location, avoid first fixed part 110 and second fixed part 120 to take place the dislocation when riveting, improved the precision and the efficiency of installation.
In this embodiment, an arc-shaped protrusion 131 is provided at the middle of the connection part 130. The first fixing portion 110 and the second fixing portion 120 are symmetrically distributed by taking the arc-shaped protrusions 131 as central lines, and are convenient for the mechanical arm to position and clamp during subsequent installation.
In embodiment 2, the present embodiment provides a connecting piece 100 having the same structure as that of embodiment 1, and further defines a first fixing portion 110.
In this embodiment, the first fixing portion 110 is riveted to the external pole through the first connection port 111. The side wall of the first connecting port 111 is provided with a first groove 112 radially outwards; the diameter of the first connection port 111 is larger than the diameter of the outer post. The first fixing portion 110 is fixed to the pole by riveting, and then the stability of the electrical connection between the first fixing portion 110 and the pole is ensured by soldering.
Embodiment 3, this embodiment provides a connecting piece 100 having the same structure as that of embodiment 1, and further defines a second fixing portion 120.
In this embodiment, the second fixing portion 120 is riveted to the external pole through a second connection port 121. A second groove 122 is radially and outwardly formed on the side wall of the second connecting port 121; the diameter of the second connection port 121 is larger than the diameter of the outer pole. The second fixing portion 120 is fixed to the pole by riveting, and then the stability of the electrical connection between the second fixing portion 120 and the pole is ensured by soldering.
Embodiment 4, referring to fig. 3, the present embodiment provides a battery module, which is composed of two or more battery cells 210; the two or more poles of the battery cell 210 are electrically connected by the connecting piece 100 as in any of embodiments 1-3.
The utility model provides a connecting sheet 100 and a battery module, wherein the connecting sheet 100 comprises: a first fixing portion 110, a second fixing portion 120, and a connecting portion 130; the first fixing portion 110 and the second fixing portion 120 are respectively disposed at both ends of the connection portion 130; the first fixing portion 110 is provided with a first connection port 111; the second fixing portion 120 is provided with a second connection port 121. The first fixing portion 110, the second fixing portion 120 and the connecting portion 130 replace the bus bar, and the first connecting port 111 and the second connecting port 121 are connected with the poles of the battery cell 210, so that the battery cell 210 is connected in series, the bus bar is removed, and the weight and the cost of the module are reduced.
The components (components not illustrating the specific structure) selected in the present utility model are common standard components or components known to those skilled in the art, and the structures and principles thereof are known to those skilled in the art through technical manuals or through routine experimental methods. Moreover, the software program related to the utility model is the prior art, and the utility model does not relate to any improvement on the software program.
In the description of embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided by the present utility model, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present utility model may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. A connecting tab, comprising:
a first fixing portion, a second fixing portion, and a connecting portion;
the first fixing part and the second fixing part are respectively arranged at two ends of the connecting part;
the first fixing part is provided with a first connecting port;
the second fixing part is provided with a second connecting port.
2. The connecting piece of claim 1, wherein the connecting piece comprises a plurality of connecting pieces,
the first fixing part, the second fixing part and the connecting part are integrally formed.
3. The connecting piece of claim 1, wherein the connecting piece comprises a plurality of connecting pieces,
the first fixing part is riveted with an external pole through a first connecting port.
4. The connecting piece of claim 3, wherein the connecting piece comprises a plurality of connecting pieces,
the side wall of the first connecting port is provided with a first groove along the radial direction outwards;
the diameter of the first connection port is larger than the diameter of the outer pole.
5. The connecting piece of claim 1, wherein the connecting piece comprises a plurality of connecting pieces,
the second fixing part is riveted with the external pole through a second connecting port.
6. The connecting piece of claim 5, wherein the connecting piece comprises a plurality of connecting pieces,
a second groove is formed in the side wall of the second connecting port along the radial direction outwards;
the diameter of the second connecting port is larger than that of the outer pole.
7. The connecting piece of claim 1, wherein the connecting piece comprises a plurality of connecting pieces,
at least one first positioning notch is formed in the bottom surface of the first fixing portion.
8. The connecting piece of claim 1, wherein the connecting piece comprises a plurality of connecting pieces,
at least one second positioning notch is formed in the bottom surface of the second fixing portion.
9. The connecting piece of claim 1, wherein the connecting piece comprises a plurality of connecting pieces,
the middle part of connecting portion is provided with the arc arch.
10. The battery module is characterized by comprising two or more battery cells;
the poles of two or more of the cells are electrically connected by a connecting piece according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321151740.6U CN219873936U (en) | 2023-05-15 | 2023-05-15 | Connection piece and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321151740.6U CN219873936U (en) | 2023-05-15 | 2023-05-15 | Connection piece and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219873936U true CN219873936U (en) | 2023-10-20 |
Family
ID=88336931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321151740.6U Active CN219873936U (en) | 2023-05-15 | 2023-05-15 | Connection piece and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219873936U (en) |
-
2023
- 2023-05-15 CN CN202321151740.6U patent/CN219873936U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |