CN217562775U - Conducting strip and energy storage power supply - Google Patents
Conducting strip and energy storage power supply Download PDFInfo
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- CN217562775U CN217562775U CN202221280144.3U CN202221280144U CN217562775U CN 217562775 U CN217562775 U CN 217562775U CN 202221280144 U CN202221280144 U CN 202221280144U CN 217562775 U CN217562775 U CN 217562775U
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- contact piece
- main body
- conductive sheet
- connecting portion
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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 a relate to energy storage power supply technical field, especially disclose a conducting strip and energy storage power supply, including main part, contact piece and connecting portion, the first end and the contact piece of connecting portion are connected, the second end and the main part of connecting portion are connected, connecting portion have elastic deformation performance, follow the main part is past the direction of connecting portion, the contact piece protrusion in the main part. In this way, the embodiment of the utility model provides a can solve in welding process contact piece and the problem that the electrode is not closely laminated and is leaded to the desoldering to and avoid the conducting strip that the welding arouses to take place deformation, and then lead to the problem that can't laminate well between two conducting strips and be in the same place.
Description
Technical Field
The embodiment of the utility model provides a relate to energy storage power technical field, especially relate to a conducting strip and energy storage power.
Background
The energy storage battery passes through the conducting strip and realizes the electricity between the electric core and connect, and current conducting strip includes main part and a plurality of contact piece, and the contact piece is connected with the main part respectively, and the whole that contact piece and main part are constituteed is plane sheet structure, and every contact piece corresponds the electrode that welds in an electric core respectively, realizes the electricity through contact piece and main part between the different electric cores and connects.
In the process of implementing the embodiment of the present application, the inventors found that: because the plane sheet structure of conducting strip, the contact piece is located the coplanar with the main part, when welding the conducting strip in the electrode of a plurality of electricity cores, because the position of welding point is different, cause the conducting strip deformation easily, and the conducting strip of deformation easily appears the conducting strip and the electrode of electricity core fails closely to laminate, cause the welding insecure, the problem that the solder joint drops in the use, in addition because the main part that the welding leads to warp, when carrying out the electricity connection between the battery module, the conducting strip of a module and the conducting strip butt contact of another battery module, if there is the deformation in the main part of arbitrary conducting strip this moment, will lead to having the clearance between two conducting strips, there is the risk that leads to the battery module to damage.
SUMMERY OF THE UTILITY MODEL
In view of the above, embodiments of the present invention provide a conductive sheet that overcomes or at least partially solves the above-mentioned problems.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a conductive sheet including a main body, a contact piece, and a connection portion. The first end of connecting portion is connected with the contact piece, the second end of connecting portion is connected with the main part, connecting portion have elastic deformation performance, follow the main part toward the direction of connecting portion, the contact piece protrusion in the main part.
Optionally, the fusing current of the connecting portion is smaller than the fusing current of the contact piece.
Optionally, the main body is provided with a first through hole, and the second end of the connecting part is connected to a side wall of the first through hole;
the first through hole is aligned with the contact piece when viewed from the direction of the main body toward the connecting portion.
Optionally, an area of a longitudinal section of the contact piece is smaller than an area of the first through hole, and the longitudinal section of the contact piece is a section of the contact piece along a direction perpendicular to the main body toward the connection portion.
Optionally, the number of the connecting parts is two, and the two connecting parts are arranged oppositely.
Optionally, the contact piece is arranged in parallel with the main body.
Optionally, the contact piece is provided with a second through hole.
Optionally, the main body is further provided with a positioning hole.
Optionally, the main part still is provided with the engaging lug, the engaging lug certainly behind the extension of one end of main part protrusion in the main part.
According to an aspect of the embodiments of the present invention, there is provided an energy storage power supply, including a housing, a battery, and the above-mentioned conductive sheet, where the battery and the conductive sheet are both fixed to the housing, and an electrode of the battery abuts against the contact sheet of the conductive sheet.
The embodiment of the utility model provides a beneficial effect is: different from the prior art, the embodiment of the utility model provides a through being connected with the connecting portion that have elastic deformation performance between main part and contact piece, the contact piece is along the main part to the direction protrusion in connecting portion in the main part, when the contact piece butt joint in the electrode, the contact piece is received the electrode extrusion to make connecting portion take place elastic deformation, the resilience force that the connecting portion take place elastic deformation and produce acts on the contact piece, make contact piece and electrode closely laminate in welding process, and then avoided the problem of desoldering; because the contact piece protrudes out of the main body, compared with the traditional conductive piece, the contact piece and the main body are positioned on the same plane, the deformation of the contact piece generated in the welding process cannot influence the flatness of the main body, and when the main body of the conductive piece is abutted against the main body of another conductive piece, the main bodies of the two conductive pieces can be better attached together.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings based on the drawings without any creative effort.
Fig. 1 is a perspective view of a conductive sheet according to an embodiment of the present invention;
fig. 2 is a schematic view of the conductive sheet shown in fig. 1 when connected to electrodes of a cell.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, the conductive sheet 1000 includes a main body 1, a contact sheet 2, and a connection portion 3. The first end of connecting portion 3 is connected with contact piece 2, and the second end of connecting portion 3 is connected with main part 1, and main part 1 is plane sheet structure, and main part 1 is used for bearing contact piece 2 and connecting portion 3, and connecting portion 3 has elastic deformation performance. Along main part 1 toward the direction of connecting portion 3, contact piece 2 protrusion in main part 1, contact piece 2 is used for with the electrode butt of battery or electric core and weld on the electrode, when contact piece 2 is in the back of the body 1 a side surface butt in the electrode 4 of electricity core 2000, contact piece 2 receives the extrusion of electrode 4, thereby make connecting portion 3 take place elastic deformation, the resilience force that connecting portion 3 took place elastic deformation and produce acts on contact piece 2, make in welding process contact piece 2 be in the back of the body 1 a side surface and the electrode 4 surface of orientation contact piece 2 closely laminate, and then avoided the problem of desoldering. On the other hand, since the contact piece 2 protrudes from the main body 1, compared with the conventional conductive sheet in which the contact piece and the main body are in the same plane, the deformation of the contact piece 2 generated during welding does not affect the flatness of the main body 1, and when the main body 1 of the conductive sheet 1000 abuts against the main body 1 of another conductive sheet 1000, the main bodies 1 of the two conductive sheets 1000 can be better attached together.
In the present embodiment, the main body 1, the connecting portion 3 and the contact piece 2 are all made of conductive materials, preferably, the main body 1, the connecting portion 3 and the contact piece 2 are made of pure nickel, and it is understood that the main body 1, the connecting portion 3 and the contact piece 2 can also be made of materials with better conductivity such as copper nickel plating, steel nickel plating, phosphorus copper and iron. The fusing current of the connecting part 3 is smaller than that of the contact piece 2, when a fault occurs, the short-circuit current passes through the connecting part 3, after the connecting part 3 is fused, the electric connection between the contact piece 2 and the main body 1 is disconnected, so as to isolate the energy storage battery or the battery cell 2000 with the short circuit, and avoid safety events such as fire and explosion, wherein the fusing current of the connecting part 3 is the maximum current which can be passed by the connecting part 3 when the connecting part is fused, and the fusing current of the contact piece 2 is the maximum current which can be passed by the contact piece 2 when the contact piece 2 is fused. The fusing current of the connecting part 3 is changed by changing the cross-sectional area of the connecting part 3, or the resistivity of the connecting part 3 is changed by selecting different materials, so that the fusing current of the connecting part 3 is changed, and the connecting part 3 has the preset fusing current according to actual conditions so as to meet the use requirements.
In the present embodiment, the main body 1 is provided with a first through hole 11, a positioning hole 12, and a coupling lug 13. The first through hole 11 penetrates through the main body 1 along the direction from the connecting part 3 to the main body 1, the second end of the connecting part 3 is connected to the side wall of the first through hole 11, the contact piece 2 is arranged in parallel with the main body 1, the first through hole 11 is aligned with the contact piece 2 when the main body 1 is observed along the direction from the connecting part 3, the area of the longitudinal section of the contact piece 2 is smaller than that of the first through hole 11, wherein the longitudinal section of the contact piece 2 is the section of the contact piece 2 along the direction perpendicular to the main body 1 to the connecting part 3; one contact piece 2 corresponds there are two connecting portion 3, and two connecting portion 3 are relative to each other sets up, compares in a contact piece 2 only to correspond a connecting portion 3, and two connecting portion 3 set up respectively in the relative both ends of contact piece 2, and the structure is more stable. The positioning hole 12 penetrates through the main body 1 along the direction from the connecting part 3 to the main body 1, the positioning hole 12 is used for welding the conductive sheet 1000 on the battery cell 2000 or the battery, and when the battery module support is further assembled, the fool-proof column on the battery module support penetrates through the positioning hole 12, so that the conductive sheet 1000 is accurately installed on the battery module support, and the occurrence of faults caused by assembly dislocation is prevented. The connecting lug 13 extends from one end of the main body 1 and protrudes out of the main body 1, and the connecting lug 13 is used for being electrically connected with equipment of the main body.
It is understood that in other embodiments, the number of the connection portions 3 corresponding to one contact sheet 2 is not limited to two, and the number of the connection portions 3 corresponding to one contact sheet 2 may also be one or more.
The contact piece 2 is provided with a second through hole 21, and the second through hole 21 penetrates the contact piece 2 in the direction of the body 1 along the connection portion 3. When the contact piece 2 is abutted against the electrode 4 to perform welding operation, an operator can see the surface of the electrode 4 through the first through hole 11 and the second through hole 21 along the direction of the main body 1 toward the contact piece 2, and the operator can identify whether the welding position is accurate and whether the contact piece 2 is attached to the surface of the electrode 4 by observing; the second through hole 21 can also reduce the influence of stress generated by deformation of the contact piece 2 due to vibration on a welding spot in the use process after the contact piece 2 and the electrode 4 are welded together, and if the second through hole 21 is not formed in the contact piece 2, the stress generated by deformation of the contact piece 2 pulls the welding spot, which may cause the contact piece 2 to be detached from the welding spot; when using spot welder to carry out spot welding to contact piece 2, because two welding pins that the spot welder is side by side when contacting with contact piece 2, second through-hole 21 is located between two welding pins, has increased the internal resistance between two welding pins, and the electric current in the twinkling of an eye that the electric welding produced can flow toward electrode 4 along contact piece 2 for the melting point produces between contact piece 2 and electrode 4, and then makes the better welding of contact piece 2 on electrode 4.
In this embodiment, a main body 1 is correspondingly provided with eight contact pieces 2, the eight contact pieces 2 are divided into two rows, four contact pieces 2 in each row are arranged side by side, one conductive piece 1000 can weld electrodes 4 of eight battery cores 2000 to form a set of battery core group, and the eight battery cores 2000 are connected in parallel with the main body 1 through the contact pieces 2, the connecting parts 3. It can be understood that the number of the contact pieces 2 correspondingly arranged on one main body 1 is not limited, and can be arranged according to the actual use requirement.
The invention further provides an embodiment of an energy storage power supply, the energy storage power supply comprises a shell, a battery and the conducting strip 1000, the battery and the conducting strip 1000 are both fixed on the shell, an electrode of the battery is abutted to the contact piece 2 of the conducting strip 1000, and specific structures and functions of the energy storage power supply can refer to the embodiment, and are not described in detail herein.
The embodiment of the utility model provides a beneficial effect is: different from the prior art, the embodiment of the utility model provides a through being connected with connecting portion 3 that has elastic deformation performance between main part 1 and contact piece 2, contact piece 2 is along main part 1 protrusion in main part 1 towards the direction of connecting portion 3, when contact piece 2 butt in electrode 4, contact piece 2 is extruded by electrode 4 to make connecting portion 3 take place elastic deformation, the resilience force that connecting portion 3 took place elastic deformation and produce acts on contact piece 2, make contact piece 2 and electrode 4 closely laminate in the welding process, and then avoided the problem of desoldering; because the contact sheet 2 protrudes from the main body 1, compared with the conventional conductive sheet 1000 in which the contact sheet 2 and the main body 1 are located on the same plane, the deformation of the contact sheet 2 generated during welding does not affect the flatness of the main body 1, and when the main body 1 of the conductive sheet 1000 abuts against the main body 1 of another conductive sheet 1000, the main bodies 1 of the two conductive sheets 1000 can be better attached together.
Then, by making the fusing current of the connecting portion 3 smaller than the fusing current of the contact piece 2, when a short-circuit fault occurs in the battery cell 2000 connected to the conductive sheet 1000, the short-circuit current flows through the connecting portion 3, and after the connecting portion 3 is rapidly fused, the contact piece 2 is disconnected from the main body 1, thereby avoiding safety events such as ignition and explosion.
It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the scope of the appended claims.
Claims (10)
1. A conductive sheet, comprising:
a main body;
a contact piece;
the connecting part, the first end and the contact piece of connecting part are connected, the second end and the main part of connecting part are connected, connecting part has elastic deformation performance, follows the main part toward the direction of connecting part, the contact piece protrusion in the main part.
2. The conductive sheet according to claim 1, wherein a fusing current of the connecting portion is smaller than a fusing current of the contact sheet.
3. The conductive sheet according to claim 1, wherein the body is provided with a first through hole, and the second end of the connecting portion is connected to a side wall of the first through hole;
the first through hole is aligned with the contact piece when viewed from the direction of the main body toward the connecting portion.
4. The conductive sheet according to claim 3, wherein an area of a longitudinal section of the contact piece is smaller than an area of the first through hole, and the longitudinal section of the contact piece is a section of the contact piece in a direction perpendicular to the main body toward the connection portion.
5. The conductive sheet according to claim 3, wherein the number of the connecting portions is two, and the two connecting portions are arranged to be opposed to each other.
6. The conductive sheet according to claim 1, wherein the contact piece is disposed in parallel with the main body.
7. The conductive sheet according to claim 1, wherein the contact piece is provided with a second through-hole.
8. The conductive sheet according to claim 1, wherein the main body is further provided with positioning holes.
9. The conductive sheet according to any one of claims 1 to 8, wherein said main body is further provided with engaging lugs, said engaging lugs projecting from said main body after extending from one end of said main body.
10. An energy storage power supply comprising a housing, a battery and the conductive sheet of any one of claims 1 to 9, the battery and the conductive sheet being secured to the housing, the electrodes of the battery abutting the contact pads of the conductive sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221280144.3U CN217562775U (en) | 2022-05-25 | 2022-05-25 | Conducting strip and energy storage power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221280144.3U CN217562775U (en) | 2022-05-25 | 2022-05-25 | Conducting strip and energy storage power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217562775U true CN217562775U (en) | 2022-10-11 |
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ID=83499236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221280144.3U Active CN217562775U (en) | 2022-05-25 | 2022-05-25 | Conducting strip and energy storage power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217562775U (en) |
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2022
- 2022-05-25 CN CN202221280144.3U patent/CN217562775U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 19th floor, building 1, kaidar group center building, No. 168, Tongsha Road, Xinwei community, Xili street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Delian Minghai New Energy Co.,Ltd. Address before: 518000 19th floor, building 1, kaidar group center building, 168 Tongsha Road, Xili street, Nanshan District, Shenzhen, Guangdong Patentee before: Shenzhen Poweroak Newener Co.,Ltd. |
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| CP03 | Change of name, title or address |