CN212257507U - Portable busbar that trades electric battery package - Google Patents
Portable busbar that trades electric battery package Download PDFInfo
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- CN212257507U CN212257507U CN202021117436.6U CN202021117436U CN212257507U CN 212257507 U CN212257507 U CN 212257507U CN 202021117436 U CN202021117436 U CN 202021117436U CN 212257507 U CN212257507 U CN 212257507U
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- bus bar
- busbar
- mounting groove
- arc
- battery
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Abstract
The utility model provides a portable busbar of trading battery package, install on the busbar support in the battery cladding body, be equipped with the mounting groove on the busbar support, be equipped with a plurality of batteries on the busbar support, and the electrode terminal of each battery exposes in the tank bottom setting of mounting groove, the busbar is located the mounting groove, and links firmly with the electrode terminal of each battery, in order to constitute the electric connection between each battery in the mounting groove; the groove bottom of the mounting groove is provided with a plurality of protruding parts which protrude outwards, the bus bar is provided with positioning holes for the protruding parts to pass through, and the positioning holes are sleeved on the corresponding protruding parts to form positioning and mounting of the bus bar in the mounting groove. Portable busbar that trades battery package, through the butt cooperation of arcuation arch and mounting groove inner arc form recess on the busbar, can make the busbar strengthen with the battery linkage effect after linking firmly, and then do benefit to the safety in utilization that improves the battery package.
Description
Technical Field
The utility model relates to a power battery technical field, in particular to portable busbar of trading battery package.
Background
The bus bars are conductors which are connected among the storage battery monomers and between the modules through conductors, realize series-parallel connection of the batteries and are used for realizing series-parallel connection. The bus bar of the power battery module is usually mounted on a bus bar support for electrically connecting a plurality of batteries mounted on the bus bar support. Currently, a bus bar is mounted on a bus bar support and then connected to an electrode terminal of a battery by welding. Since the battery pack vibrates during use, the bus bar is easily bent, broken, or short-circuited when being detached, which is disadvantageous to the improvement of the safety of the battery.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a portable bus bar for a battery pack, so as to improve the assembling effect between the bus bar and the bus bar support, thereby improving the safety of the battery bus bar during use.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a bus bar of a portable battery replacing bag is arranged on a bus bar support in a battery bag shell, a mounting groove is arranged on the bus bar support, a plurality of batteries are arranged on the bus bar support, the electrode end of each battery is exposed at the bottom of the mounting groove, and the bus bar is positioned in the mounting groove and fixedly connected with the electrode end of each battery to form the electrical connection among the batteries in the mounting groove; at least one side of the bus bar is provided with a plurality of arc-shaped bulges arranged at intervals along the length direction of the bus bar, the mounting groove is provided with an arc-shaped groove matched with the arc-shaped bulges, and the arc-shaped bulges are abutted in the corresponding arc-shaped grooves in the assembling state.
Further, the structures of the arc-shaped protrusions are the same, and the arc-shaped grooves are matched with the arc-shaped protrusions.
Furthermore, the positioning holes are at least two positioning pins arranged at each end of the busbar, and the protruding parts are matched with the positioning holes.
Furthermore, welding holes are formed in the bus bar corresponding to the electrode ends of the batteries, and the bus bar is fixedly connected to the electrode ends of the batteries through the welding holes in a welding mode.
Furthermore, the welding hole is in a cross shape.
Further, the welding holes are arranged corresponding to the arc-shaped protrusions.
Furthermore, the batteries are arranged in at least two rows on the bus bar support, the batteries in adjacent rows are arranged in a staggered manner, the bus bars are at least two arranged on the bus bar support, and the arc-shaped bulges at the adjacent sides of the two adjacent bus bars are arranged in a staggered manner.
Compared with the prior art, the utility model discloses following advantage has:
(1) portable trade busbar of battery package, through the butt cooperation of arcuation arch and mounting groove inner arc form recess on the busbar, can make the busbar strengthen with the battery linkage effect after linking firmly, prevent to have the clearance because of busbar and mounting groove and easily make the busbar break away from with the battery under battery package shock condition, and then do benefit to the safety in utilization that improves the battery package.
(2) The arc-shaped bulges have the same structure, so that the processing and molding of the arc-shaped bulges on the bus bar are facilitated.
(3) The protruding part adopts the structural style of locating pin, has the advantage of easily installing in the mounting groove. The arrangement of the positions and the number of the positioning holes reduces the number of parts as much as possible on the premise of meeting the positioning requirement.
(4) Through setting up protruding portion and locating hole, can establish for the realization and fix a position the busbar in the mounting groove with the installation between the battery with the help of the cover of locating hole on the protruding portion to do benefit to linking firmly between busbar and battery. The protruding portion and the locating hole are simple in structure, easy to machine and form and good in locating effect, and the problem that in the prior art, a bus bar is prone to deviation to cause welding defects and then the machining cost and the material cost are increased is effectively solved.
(5) The busbar is fixedly connected with the battery through the welding hole in a welding mode, and the busbar is simple in connection mode and easy to process.
(6) The shape of the welding hole is favorable for improving the connection effect between the bus bar and the electrode end of the battery, and the welding hole can also be used as a stress concentration port to further improve the fixedly connecting effect between the bus bar and the battery.
(7) The position relationship between the welding hole and the arc-shaped bulge can further strengthen the connection and tightness between the bus bar and the battery.
(8) The arc-shaped protrusions on the adjacent sides of the two adjacent bus bars are arranged in a staggered mode, so that the structural strength of the whole bus bar support can be improved.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a bus bar in an assembled state of a bus bar support according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a bus bar support according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a bus bar according to an embodiment of the present invention;
description of reference numerals:
100-bus, 101-positioning hole, 102-welding hole and 103-bus electrode output end;
1-a first busbar, 2-a second busbar, 201-a first arc-shaped protrusion, 202-a second arc-shaped protrusion;
3-busbar holder, 301-second mounting groove, 302-first arc-shaped groove, 303-second arc-shaped groove, 304-protrusion, 305-first mounting groove, 306-mounting hole;
4-a fastener.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The embodiment relates to a bus bar of a portable battery replacing pack, which is arranged on a bus bar bracket in a battery pack shell. The bus bar support is provided with a mounting groove, the bus bar support is provided with a plurality of batteries, the electrode end of each battery is exposed at the bottom of the mounting groove, and the bus bar is positioned in the mounting groove and fixedly connected with the electrode end of each battery to form the electrical connection between the batteries. At least one side of the bus bar is provided with a plurality of arc-shaped bulges arranged at intervals along the length direction, the mounting groove is provided with an arc-shaped groove matched with the arc-shaped bulges, and each arc-shaped bulge in the assembling state is abutted against the corresponding arc-shaped groove. The installation state and stability of the bus bar in the installation groove are enhanced by the abutting of the arc-shaped protrusion and the arc-shaped groove.
Based on the above design concept, an exemplary structure of the bus bar support 3 in the present embodiment is shown in fig. 1 and 2, and the bus bar support has a rectangular shape as a whole, and can be made of an insulating material in the prior art. The mounting grooves extend along the length direction of the bus bar support 3, the mounting grooves are arranged along the width direction of the bus bar support 3, limiting grooves used for limiting the end parts of the batteries are further arranged at the bottoms of the mounting grooves, and the electrode ends of the batteries are exposed at the bottoms of the mounting grooves. Because the battery in this embodiment is cylindrical, the spacing groove is also circular. In the present embodiment, the cells are arranged in seven rows on the bus bar support 3, and the cells in adjacent rows are arranged in a staggered manner, based on which the spacing grooves in adjacent rows are also arranged in a staggered manner. A plurality of mounting holes 306 are further provided at two ends of the bus bar support 3 at intervals along the width direction thereof, and the bus bar support 3 is fixedly connected with a support column mounted on another bus bar support 3 through fasteners 4 penetrating through the mounting holes 306 so as to form the mounting of the battery on the bus bar support 3.
Of course, the number of rows of batteries, the number of batteries in each row and the number of mounting slots on the bus bar support 3 can be increased or decreased according to specific use requirements. For convenience of description hereinafter, with reference to fig. 1, the mounting groove located at the outermost side is referred to as a first mounting groove 305, and the remaining mounting grooves are referred to as second mounting grooves 301. Wherein, the right ends of the first mounting groove 305 and the second mounting groove 301 are extended out of the bus bar support 3.
As shown in fig. 2, the bus bar 100 includes a first bus bar 1 positioned in the first mounting groove 305 and electrically coupled to one electrode end of the outermost row of cells, and a second bus bar 2 positioned in each second mounting groove 301 and electrically coupled to two adjacent rows of cells. The first bus bar is further provided with a bus bar electrode output end 103 located at the outer side of the first bus bar and folded downwards, and the bus bar electrode output end is used for electrically connecting the bus bar 100 with the outside.
In order to electrically connect the bus bars 100 to the batteries, in the embodiment, welding holes 102 are formed in the bus bars 100 corresponding to the electrode terminals of the batteries, and the bus bars 100 are fixedly welded to the electrode terminals of the batteries through the welding holes 102. Among them, the welding hole 102 in this embodiment is cross-shaped. Here, the shape of the welding hole 102 is not only advantageous to improve the connection effect between the bus bar 100 and the electrode terminals of the battery, but also serves as a stress concentration port to further improve the fixing effect between the bus bar and the battery.
In this embodiment, the structures of the arc-shaped protrusions are the same. The structure of the bus bar comprises a first arc-shaped protrusion 201 positioned on the inner side of the first bus bar 1 and the second bus bar 2, and a second arc-shaped protrusion 202 positioned on the outer side of the second bus bar 2. Wherein, the first arc-shaped protrusions 201 and the second arc-shaped protrusions 202 on the second busbar 2 are arranged alternately. The first arc-shaped protrusions 201 on the first busbar 1 and the second arc-shaped protrusions 202 of the adjacent second busbar 2 are arranged in a staggered manner.
Based on the arrangement of the arc-shaped protrusions, in the present embodiment, as shown in fig. 1 to 3, the arc-shaped grooves described above include a first arc-shaped groove 302 located inside the first mounting groove 305 and the second mounting groove 301, and a second arc-shaped groove 303 located outside each of the second mounting grooves 301. In the assembled state, each first arc-shaped protrusion 201 on the first bus bar 1 in the first mounting groove 305 abuts against the first arc-shaped groove 302. Each of the first and second arc-shaped protrusions on the second busbar 2 is located in the first and second arc-shaped grooves 302 and 303, respectively. The arc-shaped protrusions on the bus bar 100 are in butt fit with the arc-shaped grooves in the mounting grooves, so that the connection effect of the bus bar 100 after the bus bar 100 is fixedly connected with the battery is enhanced, the bus bar 100 is prevented from being easily separated from the battery in a vibration state of the battery pack due to the gap between the bus bar 100 and the mounting grooves, and the use safety of the battery pack is improved. In addition, the arc-shaped protrusions have the same structure, so that the processing and molding of the arc-shaped protrusions on the bus bar 100 are facilitated.
In addition, a plurality of protruding parts protruding outwards are formed on the bottom of the mounting groove, positioning holes for the protruding parts to penetrate through are formed in the bus bar, and the bus bar is positioned and mounted in the mounting groove due to the fact that the positioning holes are sleeved on the corresponding protruding parts.
This portable busbar that trades battery package can realize having better location effect to the busbar location before being connected with the battery through setting up locating hole and protruding portion, and then solves among the prior art and leads to the busbar drunkenness because of lacking location structure, arouses the problem that the defective products rate is high.
With continued reference to fig. 2 and 3, the positioning holes 101 are at least two positioning pins disposed at each end of the busbar 100, and the protruding portion 304 is a positioning pin adapted to the positioning holes 101. Here, the protrusion 304 is in the form of a positioning pin, which has the advantage of being easily installed in the installation groove. The arrangement of the positions and the number of the positioning holes 101 reduces the number of parts as much as possible on the premise of meeting the positioning requirement. Of course, the protrusion 304 may be a cylindrical protrusion besides the positioning pin, which also has a better positioning effect in use.
This embodiment portable trade busbar of battery package, through the butt cooperation of arcuation arch on the busbar and the interior arcuation recess of mounting groove, can make the busbar strengthen with the connection effect after the battery links firmly, prevent to have the clearance because of busbar and mounting groove and easily make the busbar break away from with the battery under the battery package vibrations state, and then do benefit to the safety in utilization that improves the battery package. In addition, by arranging the protruding portion 304 and the positioning hole 101, the positioning hole 101 can be sleeved on the protruding portion 304 to position the bus bar 100 between the battery and the mounting groove, so that the bus bar 100 is fixedly connected with the battery. The protruding portion 304 and the positioning hole 101 are simple in structure, easy to machine and form and good in positioning effect, and the problem that welding defects are caused due to the fact that the bus bar 100 is prone to deviation in the prior art, and then machining cost and material cost are increased is effectively solved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a portable busbar of trading battery package, installs on busbar support (3) in the battery package shell, its characterized in that: a mounting groove is formed in the bus bar support (3), a plurality of batteries are mounted on the bus bar support (3), the electrode ends of the batteries are exposed to the bottom of the mounting groove, and a bus bar (100) is located in the mounting groove and fixedly connected with the electrode ends of the batteries to form electrical connection among the batteries in the mounting groove; at least one side of the bus bar (100) is provided with a plurality of arc-shaped bulges arranged at intervals along the length direction, the mounting groove is provided with an arc-shaped groove matched with the arc-shaped bulges, and the arc-shaped bulges are abutted in the corresponding arc-shaped grooves in the assembling state.
2. The portable battery pack replacement busbar of claim 1, wherein: the structures of the arc-shaped protrusions are the same, and the arc-shaped grooves are matched with the arc-shaped protrusions.
3. The portable battery pack replacement busbar of claim 1, wherein: a plurality of protruding parts (304) protruding outwards are formed on the bottom of the mounting groove, positioning holes (101) for the protruding parts (304) to pass through are formed in the bus bar (100), and the bus bar (100) is positioned and mounted in the mounting groove due to the fact that the positioning holes (101) are sleeved on the protruding parts (304).
4. The portable battery pack replacement busbar of claim 3, wherein: the positioning holes (101) are at least two positioning pins arranged at each end of the bus bar (100), and the protruding parts (304) are positioning pins matched with the positioning holes (101).
5. The portable battery pack replacement busbar of claim 1, wherein: welding holes (102) are formed in the bus bar (100) corresponding to the electrode ends of the batteries, and the bus bar (100) is fixedly connected to the electrode ends of the batteries in a welding mode through the welding holes (102).
6. The portable battery pack replacement busbar of claim 5, wherein: the welding hole (102) is in a cross shape.
7. The portable battery pack replacement busbar of claim 6, wherein: the welding holes (102) are arranged corresponding to the arc-shaped protrusions.
8. The busbar of a portable battery replacement pack according to any one of claims 1 to 7, wherein: the batteries are arranged in at least two rows on the bus bar support (3), the batteries in adjacent rows are arranged in a staggered mode, the bus bars (100) are at least two installed on the bus bar support (3), and the arc-shaped bulges on the adjacent sides of the two adjacent bus bars (100) are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021117436.6U CN212257507U (en) | 2020-06-15 | 2020-06-15 | Portable busbar that trades electric battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021117436.6U CN212257507U (en) | 2020-06-15 | 2020-06-15 | Portable busbar that trades electric battery package |
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| Publication Number | Publication Date |
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| CN212257507U true CN212257507U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021117436.6U Active CN212257507U (en) | 2020-06-15 | 2020-06-15 | Portable busbar that trades electric battery package |
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| CN (1) | CN212257507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013543A (en) * | 2021-03-05 | 2021-06-22 | 隆鑫通用动力股份有限公司 | Battery pack and battery pack processing method |
-
2020
- 2020-06-15 CN CN202021117436.6U patent/CN212257507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013543A (en) * | 2021-03-05 | 2021-06-22 | 隆鑫通用动力股份有限公司 | Battery pack and battery pack processing method |
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