CN210403888U - Busbar and lithium cell group - Google Patents
Busbar and lithium cell group Download PDFInfo
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- CN210403888U CN210403888U CN201921465342.5U CN201921465342U CN210403888U CN 210403888 U CN210403888 U CN 210403888U CN 201921465342 U CN201921465342 U CN 201921465342U CN 210403888 U CN210403888 U CN 210403888U
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- plate body
- positive
- negative
- negative pole
- busbar
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a lithium cell accessory technical field provides a busbar and lithium cell group, and the busbar is including being used for connecting a plurality of anodal connecting plates of lithium cell positive pole and being used for connecting a plurality of negative pole connecting plates, and each anodal connecting plate is connected with each negative pole connecting plate head and the tail concatenation in turn in proper order. The utility model discloses a busbar, adopt a plurality of independent split type structures, with a plurality of positive connecting plates and a plurality of negative pole connecting plates, connect according to the connected mode of initial position concatenation in turn in proper order, set up a positive connecting plate promptly at the primary importance, set up a negative pole connecting plate at the second position, set up a positive training grade board at the third position, analogize in proper order, thus, with busbar split one-by-one connecting plate, in order to deal with different quantity, the lithium cell group of capacity and voltage, and simultaneously, need not special mould and make, have stronger commonality and replaceability, and, manufacturing cost is lower.
Description
Technical Field
The utility model relates to a lithium cell accessory technical field especially provides a busbar and have lithium cell group of this busbar.
Background
At present, when a lithium ion battery pack is packaged, a plurality of battery cells are generally connected in series and in parallel, and are assembled through an integrally formed bus bar. According to the difference of voltage, capacity, quantity and the mode of arranging of ion battery group, need design the busbar of different models and connect. However, the busbars are formed by opening a special die, that is, one set of busbars corresponds to one set of dies, which results in an increase in the manufacturing cost of the lithium ion battery.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a busbar, aim at solving the current busbar because of the high problem of manufacturing cost that integrated into one piece structure needs the special design die sinking mould to lead to.
In order to achieve the above object, the utility model adopts the following technical scheme: the bus bar comprises a plurality of positive connecting plates and a plurality of negative connecting plates, wherein the positive connecting plates are used for connecting the positive electrodes of lithium batteries, and the negative connecting plates are sequentially spliced end to end alternately.
Specifically, anodal connecting plate is including being used for connecting the anodal first anodal plate body of lithium cell, the one end of first anodal plate body is buckled downwards and the outside extension of level forms the anodal plate body of second, the negative pole connecting plate is including the first negative plate body that is used for connecting the lithium cell negative pole, the one end of first negative plate body is buckled downwards and the outside extension of level forms the negative plate body of second, the other end setting of first anodal plate body and connect in adjacent the negative plate body of second, the other end setting of first negative plate body and connect in adjacent the anodal plate body of second.
Specifically, the first positive plate body is inwards sunken to form a first mounting groove used for connecting a positive electrode of a lithium battery.
Specifically, the first negative plate body is inwards recessed to form a second mounting groove for connecting a negative electrode of a lithium battery.
Specifically, the first positive plate body is provided with at least two first mounting holes, and the second negative plate body is provided with second mounting holes corresponding to the first mounting holes.
Specifically, the first negative plate body is provided with at least two third mounting holes, and the second positive plate body is provided with fourth mounting holes corresponding to the third mounting holes.
Further, the busbar also comprises a plurality of gaskets, and each gasket is arranged between the first positive plate body and the second negative plate body and between the first negative plate body and the second positive plate body.
Specifically, the first positive plate body is provided with a plurality of first positioning holes, and the second negative plate body is provided with first positioning posts corresponding to the first positioning holes.
Specifically, the first negative plate body is provided with a plurality of second positioning holes, and the second positive plate body is provided with second positioning columns corresponding to the second positioning holes.
The utility model has the advantages that: the utility model discloses a busbar adopts a plurality of independent split type structures, including a plurality of positive connecting plates and a plurality of negative pole connecting plate, and, connect according to the connected mode of initial position concatenation in proper order in turn, set up a positive connecting plate (negative pole connecting plate) promptly at the primary importance, set up a negative pole connecting plate (positive connecting plate) at the second place, set up a positive pole at the third place and practice the grade board (negative pole connecting plate), analogize in proper order, and like this, split into a connecting plate with the busbar, with the different quantity of reply, the lithium cell group of capacity and voltage, and simultaneously, need not special mould manufacturing, but stronger commonality and replaceability have, and, manufacturing cost is lower.
The utility model also provides a lithium cell group, including the aforesaid the busbar.
The utility model has the advantages that: the utility model discloses a lithium cell group, on the basis that has above-mentioned busbar, its manufacturing cost is lower.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an exploded view of a bus bar according to an embodiment of the present invention;
fig. 2 is another exploded view of a bus bar according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a bus bar according to an embodiment of the present invention;
fig. 4 is another cross-sectional view of a bus bar according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a bus bar according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
| |
100 | |
11b |
| Positive connecting |
10 | |
22a |
| Negative |
20 | |
21b |
| First |
11 | |
12a |
| Second |
12 | |
30 |
| First negative plate | 21 | A |
111 |
| Second |
22 | First positioning column | 221 |
| |
11a | |
211 |
| |
21a | |
121 |
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, a bus bar 100 according to an embodiment of the present invention includes a plurality of positive connection plates 10 for connecting positive electrodes of lithium batteries and a plurality of negative connection plates 20 for connecting the negative electrodes, and each positive connection plate 10 and each negative connection plate 20 are sequentially connected end to end in an alternating manner.
The embodiment of the utility model provides a busbar 100 adopts a plurality of independent split type structures, including a plurality of positive connecting plates 10 and a plurality of negative pole connecting plate 20, and, connect according to the connected mode of head in proper order concatenation in turn, set up a positive connecting plate 10 (negative pole connecting plate 20) promptly in the primary importance, set up a negative pole connecting plate 20 (positive pole connecting plate 10) in the second place, set up an anodal training level board (negative pole connecting plate 20) in the third place, analogize in proper order, and thus, split into individual connecting plate with busbar 100, in order to deal with different quantity, the lithium cell group of capacity and voltage, and simultaneously, need not special mould manufacturing, but have stronger commonality and replaceability, and, manufacturing cost is lower.
Specifically, referring to fig. 1, in the present embodiment, the positive connection plate 10 includes a first positive plate 11 for connecting a positive electrode of a lithium battery, one end of the first positive plate 11 is bent downward and extends horizontally outward to form a second positive plate 12, the negative connection plate 20 includes a first negative plate 21 for connecting a negative electrode of the lithium battery, one end of the first negative plate 21 is bent downward and extends horizontally outward to form a second negative plate 22, the other end of the first positive plate 11 is disposed and connected to the adjacent second negative plate 22, and the other end of the first negative plate 21 is disposed and connected to the adjacent second positive plate 12. It can be understood that the junction between the first positive plate 11 and the second positive plate 12 is formed in a step shape, that is, there is a height difference between the top end surface of the first positive plate 11 and the top end surface of the second positive plate 12, where the top end surface of the first positive plate 11 is an end surface for connecting with a positive electrode of a lithium battery, and the opposite is a bottom end surface, the top end surface of the first negative plate 21 is an end surface for connecting with a negative electrode of a lithium battery, and the opposite is a bottom end surface, and similarly, there is a height difference between the top end surface of the first negative plate 21 and the top end surface of the second negative plate 22. Preferably, when one end of the first negative plate body 21 is placed on the second positive plate body 12, the top end surface of the first negative plate body 21 is flush with the top end surface of the corresponding first positive plate body 11, and similarly, when one end of the first positive plate body 11 is placed on the second negative plate body 22, the top end surface of the first positive plate body 11 is flush with the top end surface of the corresponding first negative plate body 21. Therefore, the positive and negative electrodes of each lithium battery are ensured to be on the same mounting plane.
Referring to fig. 1 and 2, in the present embodiment, the first positive plate 11 is recessed inward to form a first mounting groove 11a for connecting a positive electrode of a lithium battery. Generally, the positive electrode of the lithium battery is connected to the first positive electrode plate body 11 by a welding connection manner, however, there is a requirement for the thickness of the first positive electrode plate body 11 during welding, and thus, the required installation thickness, that is, the positive electrode of the lithium battery is installed in the first installation groove 11a is ensured by forming the first installation groove 11 a. Preferably, referring to the drawings, the outline of the first mounting groove 11a can be adjusted according to the outline of the lithium battery, that is, the first mounting groove 11a is circular if the lithium battery is a cylindrical lithium battery, and the first mounting groove 11a is square if the lithium battery is a square lithium battery.
Specifically, referring to fig. 1 and 2, in the present embodiment, the first negative plate 21 is recessed inward to form a second mounting groove 21a for connecting a negative electrode of a lithium battery. Similarly, in order to ensure the thickness requirement in the welding connection process, a second mounting groove 21a is formed on the first negative plate body 21, i.e., the negative electrode of the lithium battery is mounted in the second mounting groove 21 a. Preferably, referring to the drawings, the outline of the second mounting groove 21a can be adjusted according to the outline of the lithium battery, that is, the second mounting groove 21a is circular if the lithium battery is a cylindrical lithium battery, and the second mounting groove 21a is square if the lithium battery is a square lithium battery.
Specifically, referring to fig. 1 and 3, in the present embodiment, at least two first mounting holes 11b are formed in the first positive plate 11, and second mounting holes 22a corresponding to the first mounting holes 11b are formed in the second negative plate 22. When the first positive electrode plate body 11 is placed on the second negative electrode plate body 22, the first mounting holes 11b correspond to the second mounting holes 22a, and the first mounting holes 11b and the second mounting holes 22a are connected together by screws inserted through the holes.
Specifically, referring to fig. 1 and 3, in the present embodiment, at least two third mounting holes 21b are formed in the first negative plate 21, and fourth mounting holes 12a corresponding to the third mounting holes 21b are formed in the second positive plate 12. Similarly, when the first negative electrode plate body 21 is placed on the second positive electrode plate body 12, the third mounting holes 21b correspond to the fourth mounting holes 12a, and the third mounting holes 21b and the fourth mounting holes 12a are connected together by screws inserted through the third mounting holes 21b and the fourth mounting holes 12 a.
Preferably, referring to fig. 4, the bus bar 100 further includes a plurality of spacers 30, and each spacer 30 is disposed between the first positive plate 11 and the second negative plate 22 and between the first negative plate 21 and the second positive plate 12. Namely, a gasket 30 is disposed at the joint of the first positive plate 11 and the second negative plate 22 and the joint of the first negative plate 21 and the second positive plate 12, so as to improve the connection stability between the connection plates.
Preferably, referring to fig. 5, in the present embodiment, the first positive plate 11 is provided with a plurality of first positioning holes 111, and the second negative plate 22 is provided with first positioning posts 221 corresponding to the first positioning holes 111. It can be understood that when each first positioning hole 111 is inserted into the corresponding first positioning column 221, the first mounting hole 11b and the second mounting hole 22a are also corresponding, so as to achieve quick mounting of two adjacent connecting plates. Of course, according to actual requirements, the positioning posts may be disposed on the first positive plate 11, and the positioning holes may be disposed on the second negative plate 22.
Preferably, referring to fig. 5, in the present embodiment, the first negative plate 21 is provided with a plurality of second positioning holes 211, and the second positive plate 12 is provided with second positioning posts 121 corresponding to the second positioning holes 211. It can be understood that when each second positioning hole 211 is inserted into the corresponding second positioning column 121, the third mounting hole 21b and the fourth mounting hole 12a are also corresponding to each other, so as to improve the quick mounting of two adjacent connecting plates. Of course, according to actual requirements, the positioning posts may be disposed on the first positive plate 11, and the positioning holes may be disposed on the second negative plate 22.
The embodiment of the utility model provides a lithium cell group is still provided, including foretell busbar 100.
The lithium battery pack has lower manufacturing cost based on the bus bar 100.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A busbar, comprising: the lithium battery positive pole connecting plate comprises a plurality of positive pole connecting plates used for connecting the positive poles of lithium batteries and a plurality of negative pole connecting plates used for connecting the negative pole connecting plates, wherein each positive pole connecting plate and each negative pole connecting plate are sequentially spliced end to end alternately.
2. The buss bar of claim 1, wherein: anodal connecting plate is including being used for connecting the anodal first anodal plate body of lithium cell, the one end of first anodal plate body is buckled downwards and the level is outside extends and forms the anodal plate body of second, the negative pole connecting plate is including the first negative pole plate body that is used for connecting the lithium cell negative pole, the one end of first negative pole plate body is buckled downwards and the level is outside extends and forms the second negative pole plate body, the other end setting of first anodal plate body and connect in adjacent second negative pole plate body, the other end setting of first negative pole plate body and connect in adjacent the anodal plate body of second.
3. The buss bar of claim 2, wherein: the first positive plate body is inwards sunken to form a first mounting groove used for connecting a positive electrode of a lithium battery.
4. The buss bar of claim 2, wherein: the first negative plate body is inwards sunken to form a second mounting groove used for connecting a negative electrode of the lithium battery.
5. The buss bar of claim 2, wherein: the first anode plate body is provided with at least two first mounting holes, and the second cathode plate body is provided with second mounting holes corresponding to the first mounting holes.
6. The buss bar of claim 2, wherein: at least two third mounting holes are formed in the first negative plate body, and fourth mounting holes corresponding to the third mounting holes are formed in the second positive plate body.
7. The buss bar of claim 2, wherein: the busbar also comprises a plurality of gaskets, and each gasket is arranged between the first positive plate body and the second negative plate body and between the first negative plate body and the second positive plate body.
8. The buss bar of claim 2, wherein: the first positive plate body is provided with a plurality of first positioning holes, and the second negative plate body is provided with first positioning columns corresponding to the first positioning holes.
9. The buss bar of claim 2, wherein: the first negative plate body is provided with a plurality of second positioning holes, and the second positive plate body is provided with second positioning columns corresponding to the second positioning holes.
10. A lithium battery pack is characterized in that: comprising the busbar of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465342.5U CN210403888U (en) | 2019-09-04 | 2019-09-04 | Busbar and lithium cell group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465342.5U CN210403888U (en) | 2019-09-04 | 2019-09-04 | Busbar and lithium cell group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210403888U true CN210403888U (en) | 2020-04-24 |
Family
ID=70340182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921465342.5U Active CN210403888U (en) | 2019-09-04 | 2019-09-04 | Busbar and lithium cell group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210403888U (en) |
-
2019
- 2019-09-04 CN CN201921465342.5U patent/CN210403888U/en active Active
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| GR01 | Patent grant |