CN211480175U - Connecting piece and battery package - Google Patents
Connecting piece and battery package Download PDFInfo
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- CN211480175U CN211480175U CN202020143541.0U CN202020143541U CN211480175U CN 211480175 U CN211480175 U CN 211480175U CN 202020143541 U CN202020143541 U CN 202020143541U CN 211480175 U CN211480175 U CN 211480175U
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- piece
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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 utility model provides a connecting piece and battery package relates to battery technical field. The utility model provides a connecting piece and battery package, the middle part of the connection piece that stacks in proper order at the multilayer sets up the buffering arc respectively, and the span of the buffering arc that sets up on each connection piece is the same, and the radius of the buffering arc on each connection piece increases according to the order of stacking of each connection piece in proper order, so that the buffering arc on the preceding connection piece can closely the holding in the buffering arc of back connection piece, so set up, the connection piece of being convenient for stacks, the compound degree of difficulty of connection piece has been reduced, and simple structure, the cost of manufacture is low.
Description
Technical Field
The utility model relates to a battery technology field particularly, relates to a connecting piece and battery package.
Background
Based on the wide application in the new energy industry, the traditional electrical connector is more and more prone to develop towards the trends of flexibility, high compounding degree and low overcurrent temperature rise. The existing flexible connecting piece is complex in manufacturing process, often needs 10-20 layers of very thin metal sheets for composite punching, and is high in composite difficulty and manufacturing cost.
SUMMERY OF THE UTILITY MODEL
Based on the research, the utility model provides a connecting piece and battery package to improve above-mentioned problem.
The utility model provides a technical scheme:
in a first aspect, embodiments provide a connector, including a plurality of layers of sequentially stacked connecting sheets;
the middle part of each connecting sheet is respectively provided with a buffering arc, the spans of the buffering arcs arranged on the connecting sheets are the same, and the radiuses of the buffering arcs on the connecting sheets are sequentially increased according to the stacking sequence of the connecting sheets, so that the buffering arc on the front connecting sheet can be tightly accommodated in the buffering arc of the rear connecting sheet.
In an alternative embodiment, the radius of the buffering arc on each connecting sheet is increased in sequence according to the stacking sequence of each connecting sheet, and the outer diameter of the buffering arc on the front connecting sheet is equal to the inner diameter of the buffering arc on the rear connecting sheet, so that the buffering arc on the front connecting sheet can be tightly accommodated in the buffering arc of the rear connecting sheet.
In an alternative embodiment, the connecting piece comprises a first connecting portion and a second connecting portion;
one end of the first connecting part is connected with one end of the buffering arc, and the other end of the first connecting part is used for connecting a first part to be connected;
one end of the second connecting portion is connected with the other end of the buffer arc, and the other end of the second connecting portion is used for being connected with a second to-be-connected piece.
In an alternative embodiment, the first and second connection portions are straight pieces.
In an alternative embodiment, the first and second connection portions are provided with connection holes.
In alternative embodiments, the connector comprises 3 or 4 layers of the connecting tab.
In an alternative embodiment, the connecting piece is a metal sheet.
In an alternative embodiment, the connecting piece is formed by punching aluminum material.
In an alternative embodiment, each of the connecting tabs has a thickness of 0.3mm to 0.5 mm.
In a second aspect, embodiments provide a battery pack, including a plurality of battery modules and the connecting member of any one of the foregoing embodiments; the connecting pieces are arranged between every two battery modules and used for connecting every two battery modules.
The embodiment of the utility model provides a connecting piece and battery package, the middle part of the connection piece that stacks in proper order at the multilayer sets up the buffering arc respectively, and the span of the buffering arc that sets up on each connection piece is the same, and the radius of the buffering arc on each connection piece increases according to the order of stacking of each connection piece in proper order, so that the buffering arc on the preceding connection piece can closely the holding in the buffering arc of back connection piece, so set up, the connection piece of being convenient for stacks, the compound degree of difficulty of connection piece has been reduced, and simple structure, the cost of manufacture is low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a connecting member according to an embodiment of the present invention.
Fig. 2 is another schematic structural diagram of a connecting member according to an embodiment of the present invention.
Fig. 3 is a partially enlarged view of a connecting member according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a connecting sheet according to an embodiment of the present invention.
Fig. 5 is a schematic connection diagram of a connection component according to an embodiment of the present invention.
Fig. 6 is another schematic structural diagram of a connecting sheet according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a mold according to an embodiment of the present invention.
Icon: 10-a connector; 11-connecting piece; 12-buffered arc; 13-a first connection; 14-a second connection; 15-connecting holes; 20-a first part to be connected; 30-the second member to be connected.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
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, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and for simplicity of description, and do not indicate or imply that the equipment or components that are referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Based on the wide application in the new energy industry, the traditional electrical connector is more and more prone to develop towards the trends of flexibility, high compounding degree and low overcurrent temperature rise. The existing flexible connecting piece manufacturing process is complex, 10-20 layers of very thin metal sheets are often needed for compounding, during compounding, diffusion welding is needed to be conducted on the local parts of the metal sheets, a thick oxide layer is generated during diffusion welding, polishing treatment is needed, a conducting layer needs to be plated on the local parts, compounding difficulty is high, after compounding, the metal sheets need to be punched again, the whole manufacturing process is high in cost, and the requirement on electrical performance is very strict.
Based on the above research, the present embodiment provides a connector to improve the above problems.
Referring to fig. 1 and 2, the connecting member 10 of the present embodiment includes a plurality of connecting sheets 11 stacked in sequence.
The middle parts of the connecting pieces 11 are respectively provided with a buffer arc 12, the spans of the buffer arcs 12 arranged on the connecting pieces 11 are the same, and the radiuses of the buffer arcs 12 on the connecting pieces 11 are sequentially increased according to the stacking sequence of the connecting pieces 11, so that the buffer arcs 12 on the previous connecting piece 11 can be tightly accommodated in the buffer arcs 12 of the next connecting piece 11.
In the connector 10 provided in this embodiment, the buffering arcs 12 with the same span are respectively disposed at the middle of each connecting piece 11, and the radius of the buffering arc 12 on each connecting piece 11 increases in sequence according to the stacking order of each connecting piece 11, so that the buffering arc 12 of the previous connecting piece 11 can be tightly accommodated in the buffering arc 12 of the next connecting piece 11 in a tightly enclosed manner, as shown in fig. 2.
The connecting piece 10 that this embodiment provided is through being provided with buffering arc 12 respectively in the middle part of each connection piece 11 for each connection piece 11 can have better cooperation when stacking, when compound, directly with each connection piece 11 link together can, need not to carry out diffusion welding in the part, and plate the conducting layer in the part, reduced the compound degree of difficulty, and the connecting piece 10 that this embodiment provided simple structure, it is with low costs.
As an alternative embodiment, in order to improve the cushioning performance of the connecting member 10, in the present embodiment, a plurality of cushioning arcs 12 may be provided on each connecting piece 11, and the plurality of cushioning arcs 12 may be provided at intervals. For example, if two buffer arcs 12 are provided on the connecting sheet 11, two buffer arcs 12 are provided at both ends of the connecting sheet 11, respectively, and if three buffer arcs 12 are provided on the connecting sheet 11, one of the buffer arcs 12 is provided at the middle of the connecting sheet 11, the other two buffer arcs 12 are provided at both ends of the connecting sheet 11, respectively, and so on. In the present embodiment, if the connecting pieces 11 are provided with the plurality of buffer arcs 12, the radius of the plurality of buffer arcs 12 provided on each connecting piece 11 increases in the order of stacking the connecting pieces 11, and the spans are the same.
In a further embodiment, referring to fig. 3, fig. 3 is a partially enlarged view of the connecting member 10 provided in the present embodiment, wherein the radius of the buffering arc 12 on each connecting piece 11 increases in sequence according to the stacking order of the connecting pieces 11, and the outer diameter of the buffering arc 12 on the previous connecting piece 11 is equal to the inner diameter of the buffering arc 12 on the next connecting piece 11, so that the buffering arc 12 on the previous connecting piece 11 can be tightly received in the buffering arc 12 of the next connecting piece 11.
As shown in fig. 3, the radius of the buffering arc 12 on the innermost connecting sheet 11 is the smallest, and the buffering arc 12 expands outwards, the radius of the buffering arc 12 increases in sequence, and the outer diameter of the buffering arc 12 on the previous connecting sheet 11 is equal to the inner diameter of the buffering arc 12 on the next connecting sheet 11, so that the buffering arc 12 on the previous connecting sheet 11 can be tightly accommodated in the buffering arc 12 of the next connecting sheet 11, the connecting member 10 is integrally tightly surrounded, the connecting sheets 11 can be better matched, and the difficulty in compounding is reduced.
It should be noted that, in the present embodiment, the connecting pieces 11 have the same shape and the same structure, so that the connecting pieces 11 can be easily stacked and matched.
In an alternative embodiment, referring to fig. 4, the connecting sheet 11 further includes a first connecting portion 13 and a second connecting portion 14.
One end of the first connecting portion 13 is connected to one end of the buffer arc 12, and the other end is used for connecting a first to-be-connected component 20.
One end of the second connecting portion 14 is connected to the other end of the buffer arc 12, and the other end of the second connecting portion 14 is used for connecting a second to-be-connected component 30.
In the present embodiment, as shown in fig. 4, each connecting piece 11 further includes a first connecting portion 13 and a second connecting portion 14, wherein the first connecting portion 13 and the second connecting portion 14 are used for connecting the pieces to be connected.
In a specific scenario, the connecting pieces 11 are simply stacked one on top of the other to form the connecting member 10, wherein the first connecting portion 13 and the second connecting portion 14 of each connecting piece 11 are also stacked one on top of the other when stacked, and the connecting member 10 is formed in the same shape as each connecting piece 11. After the connecting member 10 is assembled, the connecting member 10 is placed between the first to-be-connected member 20 and the second to-be-connected member 30, one end (the first connecting portion 13) of the connecting member 10 is connected to the first to-be-connected member 20, and the other end (the second connecting portion 14) is connected to the second to-be-connected member 30, so that the connection can be achieved through the connecting member 10, as shown in fig. 5.
Optionally, when the connecting member 10 is connected to the first to-be-connected member 20 and the second to-be-connected member 30, laser penetration welding may be used to achieve connection, and the laser penetration welding may enable the connecting member 10 to be flexibly connected to the first to-be-connected member 20 and the second to-be-connected member 30, and may reduce a deformation rate of the connecting member 10.
In an alternative embodiment, in order to facilitate the connection of the connector 10 to the connector to be connected, the first connecting portion 13 and the second connecting portion 14 of each connecting piece 11 are straight.
The first connecting portion 13 and the second connecting portion 14 of each connecting piece 11 are straight pieces, so that on one hand, the contact area between the connecting piece 10 and the connecting piece to be connected is increased, the connecting piece 10 and the connecting piece to be connected are convenient to realize, and on the other hand, the connecting pieces 11 are also convenient to stack.
In an alternative embodiment, referring to fig. 6, in order to increase the variety of the connection manner, in the present embodiment, the first connection portion 13 and the second connection portion 14 of each connection piece 11 are provided with a connection hole 15.
Wherein, this embodiment is through setting up connecting hole 15 at first connecting portion 13 and second connecting portion 14 for connecting piece 10 can adopt the screw to pass connecting hole 15 and treat that the connecting piece realizes being connected, and fix connecting piece 10, has increased the variety of connected mode.
In this embodiment, the arrangement position and the arrangement number of the connection holes 15 may be set according to actual needs, and are not limited in this embodiment. However, in this embodiment, the connecting holes 15 provided on each connecting piece 11 have the same size and number and the same position, so that each connecting piece 11 is convenient to match and is convenient to connect with the piece to be connected.
It is understood that, in the present embodiment, the to-be-connected component may be any electrical component that needs to be connected, such as a battery module.
Optionally, in order to meet the electrical requirement of the connector 10, in this embodiment, the connecting sheet 11 is a metal sheet, for example, a metal sheet such as a copper sheet, an aluminum sheet, or the like.
Further, in order to satisfy both the structural strength requirement of the connecting member 10 and the flexibility and electrical property requirement of the connecting member 10, in the present embodiment, the connecting sheet 11 may be formed by punching an aluminum material.
As shown in fig. 7, fig. 7 is a mold for manufacturing the connecting piece 11 according to this embodiment, and the mold includes an upper mold and a lower mold. When the connecting sheet 11 is manufactured, only the die is needed to be used for punching and forming, and the process is simple, the efficiency is high, and the cost is low.
Optionally, in this embodiment, the connecting pieces 11 formed by punching are grouped into 3 pieces or 4 pieces, that is, in this embodiment, the connecting piece 10 includes 3 layers or 4 layers of the connecting pieces 11. In order to meet the structural strength requirement of the connecting piece 10, the thickness of each connecting piece 11 is 0.3mm-0.5 mm.
Wherein, this embodiment sets up the quantity of connection piece 11 into 3 layers or 4 layers, sets up the thickness of connection piece 11 into 0.3mm-0.5mm, has both satisfied the flexible demand and the structural strength requirement of connecting piece 10 on the one hand, and on the other hand, compares in prior art, has significantly reduced the quantity of connection piece 11, has reduced the cost of manufacture, has reduced the compound degree of difficulty.
The connecting piece 10 that this embodiment provided sets up buffering arc 12 through the middle part at each connection piece 11, through buffering arc 12, has reduced the cooperation degree of difficulty of each connection piece 11, when compound, only needs to link together each connection piece 11, need not to carry out diffusion welding at local to and plate the conducting layer at local, reduced compound degree of difficulty. When the connecting piece is used, the connecting piece 10 is only required to be placed at the position to be connected of the connecting piece, the application mode is simple, and the cost is low. In addition, the connecting sheet 11 is manufactured in a punching forming mode, so that the process is simple, the efficiency is high, and the manufacturing cost is reduced.
On the basis, the embodiment further provides a battery pack, which includes a plurality of battery modules and the connecting member of any one of the foregoing embodiments; the connecting pieces are arranged between every two battery modules and used for connecting every two battery modules.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific structure, principle and advantages of the connecting piece in the battery pack described above may refer to the connecting piece described above, and thus redundant description is not repeated here.
To sum up, the connecting piece and the battery pack that this embodiment provided set up the buffering arc respectively in the middle part of the connection piece that the multilayer stacked in proper order, and the span of the buffering arc that sets up on each connection piece is the same, and the radius of the buffering arc on each connection piece increases according to the order of stacking of each connection piece in proper order to make the buffering arc on the preceding connection piece closely hold in the buffering arc of the back connection piece, so set up, the stacking of the connection piece of being convenient for has reduced the compound degree of difficulty of connection piece, and simple structure, the cost of manufacture is low.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A connecting piece is characterized by comprising a plurality of layers of connecting pieces which are sequentially stacked;
the middle part of each connecting sheet is respectively provided with a buffering arc, the spans of the buffering arcs arranged on the connecting sheets are the same, and the radiuses of the buffering arcs on the connecting sheets are sequentially increased according to the stacking sequence of the connecting sheets, so that the buffering arc on the front connecting sheet can be tightly accommodated in the buffering arc of the rear connecting sheet.
2. The connector according to claim 1, wherein the radius of the buffer arc of each of the coupling pieces increases in the order in which the coupling pieces are stacked, and the outer diameter of the buffer arc of the preceding coupling piece is equal to the inner diameter of the buffer arc of the succeeding coupling piece, so that the buffer arc of the preceding coupling piece can be closely received in the buffer arc of the succeeding coupling piece.
3. A connector according to claim 1, wherein the connecting piece comprises a first connecting portion and a second connecting portion;
one end of the first connecting part is connected with one end of the buffering arc, and the other end of the first connecting part is used for connecting a first part to be connected;
one end of the second connecting portion is connected with the other end of the buffer arc, and the other end of the second connecting portion is used for being connected with a second to-be-connected piece.
4. A connector according to claim 3, wherein the first and second connecting portions are straight pieces.
5. A connection piece according to claim 3, wherein said first and second connection portions are provided with connection holes.
6. A connector according to claim 1, comprising 3 or 4 layers of the connecting tab.
7. A connection piece according to claim 1, wherein said connecting piece is a metal sheet.
8. A connection piece according to claim 7, wherein said connection piece is die cut from an aluminium material.
9. A connector according to claim 1, wherein each of the connecting pieces has a thickness of 0.3mm to 0.5 mm.
10. A battery pack comprising a plurality of battery modules and the connector of any one of claims 1 to 9; the connecting pieces are arranged between every two battery modules and used for connecting every two battery modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143541.0U CN211480175U (en) | 2020-01-21 | 2020-01-21 | Connecting piece and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143541.0U CN211480175U (en) | 2020-01-21 | 2020-01-21 | Connecting piece and battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211480175U true CN211480175U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020143541.0U Active CN211480175U (en) | 2020-01-21 | 2020-01-21 | Connecting piece and battery package |
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|---|---|
| CN (1) | CN211480175U (en) |
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2020
- 2020-01-21 CN CN202020143541.0U patent/CN211480175U/en active Active
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