CN217134599U - Composite connecting band and battery module - Google Patents
Composite connecting band and battery module Download PDFInfo
- Publication number
- CN217134599U CN217134599U CN202220934550.0U CN202220934550U CN217134599U CN 217134599 U CN217134599 U CN 217134599U CN 202220934550 U CN202220934550 U CN 202220934550U CN 217134599 U CN217134599 U CN 217134599U
- Authority
- CN
- China
- Prior art keywords
- welding
- composite
- copper
- hole
- steel
- 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.)
- Active
Links
Images
Abstract
The utility model provides a composite connecting belt and a battery module, relating to the technical field of new energy, wherein the composite connecting belt comprises a connecting belt main body, the connecting belt main body comprises a copper connecting belt and a steel connecting belt, and the copper connecting belt is welded with the steel connecting belt; the steel connecting belt is provided with a plurality of welding holes, connecting sheets matched with the welding holes are arranged in the welding holes, and one end of each connecting sheet is connected with the steel connecting belt and can deform to one side far away from the copper connecting belt; and the copper connecting belt is provided with operation holes which correspond to the welding holes one by one. The utility model provides a connecting band main part of composite connection area includes steel connecting band and copper connecting band, and the steel connecting band is used for welding with the battery, and composite connection is easy like this and the battery welding to have the superior performance that overflows of copper, compare in adopting the nickel material, reduced the cost of whole battery module, and then improve the market competition of product.
Description
Technical Field
The utility model belongs to the technical field of the technique of the new forms of energy and specifically relates to a compound connecting band and battery module are related to.
Background
Lithium ion battery systems are a new type of high energy battery systems that were successfully developed in the twentieth century. The negative electrode of the core component is made of materials such as graphite, and the positive electrode is made of lithium iron phosphate, lithium cobaltate, lithium titanate and the like. The electric automobile with the lithium ion battery system is an inevitable choice for environmental protection, can effectively reduce the emission of carbon dioxide compared with the traditional automobile, and has a remarkable emission reduction effect.
The main component of the battery system is a module, and the battery system is composed of dozens or even hundreds of single batteries in series connection and parallel connection modes so as to meet the performance requirements of automobiles. At present, the series-parallel connection between the electric cores is realized by the multi-purpose aluminum bars and the nickel sheets, and the price of the nickel sheets is high, so that the cost of the battery module is high, and the product competitiveness is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound connecting band and battery module to it is higher to alleviate present battery module cost, the poor technical problem of market competition.
The utility model provides a composite connecting belt, which comprises a connecting belt main body, wherein the connecting belt main body comprises a copper connecting belt and a steel connecting belt, and the copper connecting belt is welded with the steel connecting belt;
the steel connecting belt is provided with a plurality of welding holes, connecting sheets matched with the welding holes are arranged in the welding holes, and one end of each connecting sheet is connected with the steel connecting belt and can deform to one side far away from the copper connecting belt;
and the copper connecting belt is provided with operation holes which correspond to the welding holes one by one.
In an alternative embodiment, the welding hole is a rectangular hole, and the orthographic projection of the operation hole is located in the welding hole; the orthographic projection of the connecting sheet is rectangular, and one end of the connecting sheet is connected with one side edge of the welding hole.
In an alternative embodiment, the steel connecting strip is integrally formed with the connecting piece.
In an alternative embodiment, the handling hole is a rectangular hole.
In an alternative embodiment, three sides of the connecting piece not connected with the welding hole are spaced from the corresponding sides of the welding hole by a distance of not more than 0.5 mm.
In an alternative embodiment, the copper connecting strip has a thickness of 0.5 to 2 mm.
In an alternative embodiment, a fixing plate is arranged at one end of the copper connecting belt, and a fixing hole is arranged on the fixing plate.
In an alternative embodiment, the steel connecting band is rectangular, and a plurality of welding holes are uniformly formed in the length direction of the steel connecting band.
In an alternative embodiment, the connecting band body is provided with a first through hole.
The utility model provides a connecting band main part of composite connection area includes steel connecting band and copper connecting band, and the steel connecting band is used for welding with the battery, and composite connection is easy like this and the battery welding to have the superior performance that overflows of copper, compare in adopting the nickel material, reduced the cost of whole battery module, and then improve the market competition of product.
In a second aspect, the present invention provides a battery module, including any one of the above embodiments, the composite connecting band.
The utility model also provides a battery module, this battery module adopt foretell composite connection area to have all beneficial effects of composite connection area.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a composite connecting band provided in an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of the composite interface tape shown in FIG. 1;
FIG. 3 is a schematic view of the copper bonding tape of the composite bonding tape shown in FIG. 1;
FIG. 4 is a schematic representation of the steel connecting strip of the composite connecting strip of FIG. 1;
FIG. 5 is an enlarged partial view of B of the steel connecting band shown in FIG. 4;
fig. 6 is a schematic structural view of another angle of the composite connecting band according to the embodiment of the present invention;
fig. 7 is another schematic structural diagram of the composite connecting band according to the embodiment of the present invention.
Icon: 100-steel connecting band; 200-copper connection straps; 300-a fixed plate; 400-fixing holes; 500-connecting the sheet; 600-welding holes; 700-a first via; 800-operation hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1 to 7, the present invention provides a composite connection belt, which comprises a connection belt main body, wherein the connection belt main body comprises a copper connection belt 200 and a steel connection belt 100, and the copper connection belt 200 is welded to the steel connection belt 100;
a plurality of welding holes 600 are formed in the steel connecting band 100, connecting pieces 500 matched with the welding holes 600 are arranged in the welding holes 600, and one ends of the connecting pieces 500 are connected with the steel connecting band 100 and can deform to one side far away from the copper connecting band 200;
the copper connection band 200 is provided with operation holes 800 corresponding to the welding holes 600 one to one.
In some embodiments, the connecting band body of the composite connecting band comprises a copper connecting band 200 and a steel connecting band 100, wherein the copper connecting band 200 is made of copper, and the steel connecting band 100 is made of steel; the copper connecting belt 200 is welded on the steel connecting belt 100, and the steel connecting belt 100 is used for being directly welded with the battery, so that the composite connecting belt is easy to weld with the battery and has excellent overcurrent performance of copper; compare in the connecting band that adopts the nickel material, can reduce battery module's cost, improve the competitiveness of product.
When the composite connection band is welded to the battery, the connection piece 500 is welded to the battery through the operation hole 800 of the copper connection band 200, thus achieving the connection of the composite connection band to the battery.
A plurality of welding holes 600 are formed in steel connecting band 100, and generally, connecting piece 500 in each welding hole 600 can be connected with one battery, that is, steel connecting band 100 can realize series connection or parallel connection of a plurality of batteries.
Referring to fig. 3, 4 and 6, in an alternative embodiment, the welding hole 600 is a rectangular hole, and the orthographic projection of the operation hole 800 is located in the welding hole 600; the orthographic projection of the connecting sheet 500 is rectangular, and one end of the connecting sheet 500 is connected with one side of the welding hole 600.
The connecting piece 500 is generally rectangular, the operation hole 800 is also generally rectangular, the area of the operation hole 800 is smaller than that of the welding hole 600, and the welding hole 600 can cover the operation hole 800; one end of the connecting sheet 500 is connected with the welding hole 600, when the connecting sheet 500 is welded with the pole of the battery, the connecting sheet 500 can deform, and because only one end of the connecting sheet 500 is connected with the welding hole 600, the connecting sheet 500 can not affect the steel connecting belt 100 when deforming, and has a larger welding area with the pole of the battery; when the connecting sheet 500 is welded with the battery in the operation hole 800, the operation hole 800 can see a complete connecting sheet 500, and any position of the connecting sheet 500 in the operation hole 800 can be used for welding with the battery, so that the progress requirement of a welding process is reduced, and meanwhile, the connecting sheet 500 is in close contact with a pole of the battery, and the welding quality is ensured.
In an alternative embodiment, the steel connecting band 100 is integrally formed with the connecting piece 500.
In some embodiments, connecting piece 500 and welding hole 600 on steel connecting strip 100 are formed by stamping, that is, steel connecting strip 100 and connecting piece 500 are integrated, so as to ensure the firmness of connecting piece 500 and steel connecting strip 100.
In an alternative embodiment, the handling hole 800 is a rectangular hole.
In an alternative embodiment, three sides of the connecting piece 500 not connected to the welding hole 600 are spaced from the corresponding sides of the welding hole 600 by a distance of not more than 0.5 mm.
In an alternative embodiment, the copper connecting strip 200 has a thickness of 0.5 to 2 mm.
In some embodiments, the distance between three sides of the connecting piece 500 not connected to the welding hole 600 and the corresponding sides of the welding hole 600 is generally less than 0.5mm, and the thickness of the steel connecting strip 100 is generally between 0.5mm and 2mm, and includes 0.5mm and 2 mm.
Referring to fig. 2, in an alternative embodiment, a fixing plate 300 is disposed at one end of the copper connection band 200, and a fixing hole 400 is disposed on the fixing plate 300.
In order to facilitate the connection of the reset connection bands with the end plates of the battery module, the fixing plate 300 is provided on the copper connection band 200, the fixing plate 300 has fixing holes 400, so that the fixing plate 300 is conveniently fixed on the end plates of the battery module, and the fixing plates 300 between different reset connection bands can be connected in order to connect different reset connection bands in series or in parallel.
In an alternative embodiment, the steel connection strip 100 is rectangular, and a plurality of welding holes 600 are uniformly formed in the length direction of the steel connection strip 100.
Referring to fig. 7, in an alternative embodiment, the connection band body is provided with a first through hole 700.
In some embodiments, the connection band body has a first through hole 700, and the first through hole 700 is used to reduce the weight of the composite connection band, thereby further reducing the cost of the composite connection band.
The utility model provides a connecting band main part of composite connection area includes steel connecting band 100 and copper connecting band 200, steel connecting band 100 be used for with the battery welding, composite connection is easy like this with the battery welding to have the superior performance that overflows of copper, compare in adopting the nickel material, reduced the cost of whole battery module, and then improve the market competition of product.
The utility model provides a battery module, including any one of the aforesaid embodiment compound connecting band.
The utility model also provides a battery module, this battery module adopt foretell composite connection area to have all beneficial effects of composite connection area.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The composite connecting band is characterized by comprising a connecting band main body, wherein the connecting band main body comprises a copper connecting band (200) and a steel connecting band (100), and the copper connecting band (200) is welded with the steel connecting band (100);
the welding device is characterized in that a plurality of welding holes (600) are formed in the steel connecting belt (100), connecting pieces (500) matched with the welding holes (600) are arranged in the welding holes (600), and one end of each connecting piece (500) is connected with the steel connecting belt (100) and can deform towards one side far away from the copper connecting belt (200);
and operation holes (800) which correspond to the welding holes (600) one by one are formed in the copper connecting belt (200).
2. The composite connecting strip according to claim 1, wherein the welding hole (600) is a rectangular hole, and the orthographic projection of the operation hole (800) is located in the welding hole (600); the orthographic projection of the connecting piece (500) is rectangular, and one end of the connecting piece (500) is connected with one side edge of the welding hole (600).
3. The composite connecting strip according to claim 2, characterized in that the steel connecting strip (100) is formed integrally with the connecting piece (500).
4. The composite interface tape of claim 2 wherein the access hole (800) is a rectangular hole.
5. The composite connecting strip according to claim 2, characterized in that the three sides of the connecting tab (500) not connected to the welding hole (600) are at a distance of not more than 0.5mm from the corresponding sides of the welding hole (600).
6. The composite connecting strip according to claim 1, wherein the copper connecting strip (200) has a thickness of 0.5-2 mm.
7. The composite connecting band according to claim 1, wherein a fixing plate (300) is provided at one end of the copper connecting band (200), and a fixing hole (400) is provided on the fixing plate (300).
8. The composite connecting strip according to claim 1, wherein the steel connecting strip (100) has a rectangular shape, and a plurality of welding holes (600) are uniformly formed in the length direction of the steel connecting strip (100).
9. The composite connecting band according to claim 1, characterized in that the connecting band body is provided with a first through hole (700).
10. A battery module comprising the composite connecting tape according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220934550.0U CN217134599U (en) | 2022-04-21 | 2022-04-21 | Composite connecting band and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220934550.0U CN217134599U (en) | 2022-04-21 | 2022-04-21 | Composite connecting band and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217134599U true CN217134599U (en) | 2022-08-05 |
Family
ID=82649973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220934550.0U Active CN217134599U (en) | 2022-04-21 | 2022-04-21 | Composite connecting band and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217134599U (en) |
-
2022
- 2022-04-21 CN CN202220934550.0U patent/CN217134599U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3678208B1 (en) | Battery module, battery pack, and vehicle | |
| US20220109193A1 (en) | Electrode assembly, secondary battery, and battery-powered apparatus | |
| CN111477897A (en) | Automatic assembly production line for aluminum shell cylindrical lithium battery | |
| EP2782166B1 (en) | Electrode sheet comprising notched portion | |
| CN210403887U (en) | Multi-tab battery cell, lithium ion battery and electronic product | |
| CN113258028B (en) | Electrochemical device and electronic device | |
| US10693192B2 (en) | Wound-type cell | |
| CN217134599U (en) | Composite connecting band and battery module | |
| CN201369367Y (en) | Power lithium battery bare cell with double-tab structure | |
| US10833371B2 (en) | Wound-type cell | |
| CN217788497U (en) | Electrode assembly, battery cell, battery, and power consumption device | |
| CN216563246U (en) | Battery with improved battery capacity | |
| CN203085669U (en) | Lithium-ion power battery | |
| CN214957264U (en) | Battery cell and battery | |
| CN213546443U (en) | Support for stacking and fixing standard battery modules | |
| US11594751B2 (en) | Battery | |
| CN213905426U (en) | Secondary battery and terminal device | |
| US11329310B2 (en) | Secondary battery having improved current-collecting structure | |
| CN202454648U (en) | Novel easy-to-process lithium battery | |
| CN219350567U (en) | Battery structure | |
| CN215184425U (en) | Battery with a battery cell | |
| JPH09293493A (en) | Battery pack | |
| CN214254551U (en) | Battery unit and terminal device | |
| CN220368101U (en) | Battery cell tab welding structure and battery cell | |
| CN215578758U (en) | Battery cell and battery module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |