CN217334338U - A section bar and melt layer aluminium and arrange for melting layer aluminium - Google Patents
A section bar and melt layer aluminium and arrange for melting layer aluminium Download PDFInfo
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- CN217334338U CN217334338U CN202220342834.0U CN202220342834U CN217334338U CN 217334338 U CN217334338 U CN 217334338U CN 202220342834 U CN202220342834 U CN 202220342834U CN 217334338 U CN217334338 U CN 217334338U
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- connecting part
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- aluminum
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 62
- 238000002844 melting Methods 0.000 title claims abstract description 24
- 230000008018 melting Effects 0.000 title claims abstract description 24
- 239000004411 aluminium Substances 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000007747 plating Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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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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- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses a section bar for melting layer aluminum row and melting layer aluminum row, the section bar is provided with a soft connecting part and a hard connecting part, the hard connecting part is a flat plate structure, at least one end of the soft connecting part is connected with the hard connecting part; the soft connecting part is at least provided with two connecting pieces, one section of the soft connecting part close to the hard connecting part is a collecting section, all the connecting pieces are arranged in a divergent shape on the section of the collecting section, the end parts of the connecting pieces are fixedly connected with the hard connecting part after being collected, included angles between the outer surface of the collecting section and the outer surface of the corresponding side of the hard connecting part connected with the collecting section are larger than 90 degrees, and the root parts of the connecting pieces are provided with fillets under the condition of non-straight angle connection. The melting layer aluminum bar is formed by processing the sectional material in modes of leveling, stamping, linear cutting, machining and the like. The utility model discloses the section bar is used for processing to melt a layer aluminium row and has reduced the processing degree of difficulty and the manufacturing cost of the busbar of aluminium soft or hard connection structure, has also improved the production efficiency of busbar simultaneously.
Description
Technical Field
The utility model belongs to new forms of energy power battery field especially relates to a section bar structure and the busbar structure of this section bar processing for processing the busbar of electric automobile and energy storage power station.
Background
The bus bar which needs to bear large current in the new energy automobile is mainly made of copper materials at present, and along with the increasing light weight requirement of the automobile, the requirement that part of bus bars adopt aluminum soft and hard connection to replace copper soft and hard connection gradually becomes an important technical development direction.
The EV represented by Tesla adopts an aluminum bar, but the aluminum flexible connection is processed by adopting a pressure welding (molecular diffusion welding) process, and the processing mode has the problems of high energy consumption, low efficiency and high process cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: the aluminum profile is used for processing the bus bar of an aluminum soft-hard connecting structure so as to reduce the processing difficulty and cost of the bus bar.
In order to achieve the above technical effect, the utility model discloses a technical scheme is:
a section bar for melting a layer aluminum row is of an aluminum extrusion molding structure and is provided with a soft connecting part and a hard connecting part, wherein the hard connecting part is of a flat plate structure, and at least one end of the soft connecting part is connected with the hard connecting part; the soft connecting part is at least provided with two connecting sheets, one section of the soft connecting part close to the hard connecting part is a converging section, the cross sections of all the connecting sheets at the converging section are arranged in a divergent manner, the end parts of the soft connecting part are fixedly connected with the hard connecting part after converging, included angles between the outer surface of the converging section and the outer surface of the corresponding side of the hard connecting part connected with the converging section are larger than 90 degrees, a fillet is arranged at the root part under the condition of non-straight angle connection, and a fillet is arranged at the converging part of two adjacent surfaces of two adjacent connecting sheets; the thickness of each connecting piece is uniform, and the thickness of the hard connecting part is not less than 2 times of that of the single connecting piece and is slightly greater than the sum of the thicknesses of all the connecting pieces.
Further, all the connecting pieces are the same in thickness.
Furthermore, the thickness of the hard connecting part is 0.1-100 mm, the thickness of the connecting piece is 0.05-1 mm, and the number of the connecting pieces is 2-100.
Furthermore, the number of the hard connecting parts is two, the two ends of the soft connecting part are correspondingly provided with collecting sections, the middle section is a lengthening section, and the collecting sections at the two ends are symmetrical to each other.
Furthermore, the connecting sheet is linear at the converging section, the lengthened section is at least one of a linear type, a broken line type, an arc line type and a wave type which are formed by sequentially connecting two or more line sections, when the connecting sheet is linear and broken line type at the lengthened section, the connecting sheet is provided with a fillet at the connecting position of the lengthened section and the converging section or the lengthened section and the converging section which are positioned on the same plane are directly connected, and the lengthened section of the broken line type is also provided with a fillet at the connecting position of two adjacent line sections; when the connecting piece is in the arc line type and the wave type in the lengthened section, the end part of the lengthened section is in tangential connection with the converging section.
The utility model also provides a melt a layer aluminium and arrange, should melt a layer aluminium and arrange and form at soft connecting portion through the flattening processing for above-mentioned section bar, the platykurtic that all connection pieces connect for pasting in proper order.
Furthermore, the outer surface of the melting layer aluminum bar at the hard connecting part is provided with a plating layer.
Furthermore, the melting layer aluminum row is provided with an insulating layer on the outer surface of the soft connecting part.
Further, the melting layer aluminum bar is provided with a plating layer on the outer surface of the hard connecting part, an insulating layer is arranged on the outer surface of the soft connecting part, and the insulating layer extends to the hard connecting part and is provided with a lap joint part with the insulating layer.
Furthermore, the outer side ends of the two hard connecting parts are provided with fixing holes.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses the section bar is connected with the connection piece of dispersing the form through hard connecting portion, and accessible aluminium extrusion molding technology processing can realize the busbar of aluminium soft or hard connection through flattening processing, has reduced the processing degree of difficulty and the manufacturing cost of the busbar of aluminium soft or hard connection structure, has also improved the production efficiency of busbar.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
It should be noted that because the utility model discloses the busbar of the aluminium soft or hard connection structure of processing technology processing is through aluminium extrusion forming technology, again through the flattening processing formation, in order to make things convenient for to distinguish with the busbar of the aluminium soft or hard connection structure of current pressure welding technology processing to some extent, we will form this kind by two or more runners, and the two-layer or multilayer structure's that both ends fuse together busbar that obtains through the flattening processing is called as melting a layer aluminium row.
Drawings
FIG. 1 is a cross-sectional view of a one-way diverging profile according to a first embodiment;
FIG. 2 is a schematic cross-sectional view of another one-way diverging profile of the first embodiment;
FIG. 3 is a schematic cross-sectional view of a two-way diverging profile according to a first embodiment;
FIG. 4 is a schematic cross-sectional view of a sectional material according to a second embodiment;
FIG. 5 is a sectional view of a second sectional material according to the second embodiment;
FIG. 6 is a schematic cross-sectional view of a third exemplary embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of a fourth exemplary embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view illustrating a fifth exemplary embodiment of a profile;
FIG. 9 is a schematic cross-sectional view illustrating a sixth sectional material according to the second embodiment;
FIG. 10 is a schematic cross-sectional view illustrating a seventh sectional material according to the second embodiment;
fig. 11 is a schematic view of a fused aluminum row structure in the third embodiment.
Wherein,
1. a hard connection portion; plating layer 11; 12, fixing holes;
2. a soft connection portion; 21, connecting pieces; a collection section;
23. a lengthening section; an insulating layer.
Detailed Description
The first embodiment is as follows:
a section bar for melting layer aluminum row is shown in figures 1-3, and is an aluminum extrusion molding structure and is provided with a soft connecting part 2 and a hard connecting part 1. The hard connecting part 1 is of a flat plate structure, the soft connecting part 2 is composed of 2-100 connecting pieces 21 with the same thickness, and the thickness of each part of each single connecting piece 21 is uniform. Wherein, single connection piece 21 thickness is 0.05 ~ 1mm, and the thickness of the hard joint portion 1 is 0.1 ~ 100mm, considers the flattening effect in later stage, uses the thickness of hard connection piece 21 to be a bit more than the sum of the thickness of all connection pieces 21 during the design as appropriate. Viewed from the cross section of the profile, all the connecting pieces 21 are arranged in a diverging manner on one side or both sides of the hard joint 1, the ends of which are collected and then fixedly connected to the hard joint 1, and the ends of which are collected and then fixedly connected to the hard joint 1. And under a plurality of connection pieces, a plurality of connection pieces can adopt the equipartition mode, also can adopt the inhomogeneous mode of cloth. The collected connecting pieces 21 are taken as a whole soft connecting part 2, included angles between the outer surface of the soft connecting part 2 and the outer surface of the hard connecting part 1 on the corresponding side are larger than 90 degrees, under the condition that the included angles are non-flat angles, a fillet structure is arranged at the connecting part of the soft connecting part 2 and the hard connecting part 1, and fillets are also arranged at the collection positions of two adjacent surfaces of two adjacent connecting pieces 21. The included angle setting of soft or hard connecting portion 1 is favorable to being located the outer end of hard connecting portion 1 after all connection pieces 21 flattening when the flattening processing forms and melts the layer aluminium row.
Example two:
a profile for melting aluminum rows in this embodiment is a modification and extension of the profile in the embodiment, as shown in fig. 4-10, the profile is provided with a soft connecting part 2 and two hard connecting parts 1, and the soft connecting part 2 is connected with the hard connecting parts 1 at two ends. The soft connecting part 2 is composed of 2-100 connecting pieces 21 with the same thickness, and the thickness of each part of the single connecting piece 21 is uniform. Wherein, single connection piece 21 thickness is 0.05 ~ 1mm, and the thickness of the hard joint portion 1 is 0.1 ~ 100mm, considers the flattening effect in later stage, uses the thickness of hard connection piece 21 to be a bit more than the sum of the thickness of all connection pieces 21 during the design as appropriate. The soft connecting part 2 is provided with a gathering section 22 at one section near the end part of the hard connecting part 1, the gathering sections 22 at two ends are connected through a middle lengthening section 23, and the gathering sections 22 at two ends are arranged symmetrically. Seen from the section of the section, all the connecting sheets 21 are arranged in a divergent manner at the collection section 22, the end parts of the connecting sheets are fixedly connected with the hard connecting part 1 after being collected, included angles between the outer surface of the collection section 22 and the outer surface of the corresponding side of the hard connecting part 1 connected with the collection section are larger than 90 degrees, fillets are arranged at the root parts of the connecting sheets under the condition of non-straight angle connection, and fillets are also arranged at the collection positions of two adjacent surfaces of two adjacent connecting sheets 21. The angle between the collection section 22 and the hard connection portion 1 is set to facilitate that all the connection pieces 21 are located at the outer end of the hard connection portion 1 after being leveled when the leveling process forms the molten aluminum row. The connecting piece 21 is linear at the collecting section 22, and may be one or more of a single linear type, a broken line type formed by connecting two or more line segments in sequence, an arc type formed by connecting a single arc or a plurality of arcs in sequence, or a wave type at the lengthening section 23. When the connecting sheet 21 is in a linear type or a broken line type at the lengthened section 23, the connecting sheet 21 is provided with a fillet at the joint of the lengthened section 23 and the converging section 22, and when the connecting sheet 21 is in the same plane at the lengthened section 23 and the converging section 22, the lengthened section 23 and the converging section 22 are directly connected, (in this case, the converging section 22 is in a one-way divergence shape, one outer surface of the soft connecting part 2 is flush with one surface of the hard connecting part 1, or when the converging section 22 is in a two-way divergence, one connecting sheet 21 in the middle of more than three connecting sheets 21 can adopt a linear structure); the fold-line type of the elongated segment 23 is also provided with a rounded corner at the junction of two adjacent segments. And when the line is a broken line type, two adjacent line segments need to be distributed on two sides of a vertical surface where the connection point is located. When the connecting piece 21 is arc-shaped or wave-shaped at the elongated section 23, the end of the elongated section 23 is tangentially connected to the collecting section 22.
Example three:
a melting layer aluminum bar is formed by processing the sectional materials, specifically, all connecting pieces 21 are pressed into a flat shape which is sequentially attached through a leveling process, then the leveled sectional materials are processed into a product which is consistent with the shape and the size of a final bus bar of an aluminum soft and hard connecting structure through the modes of stamping, wire cutting, machining and the like, and finally the outer surface of a hard connecting part 1 is subjected to surface treatment (nickel plating and the like to enhance the corrosion resistance or other properties of the product) and/or the outer surface of a soft connecting part 2 is subjected to insulation treatment according to needs. Wherein the insulating layer can be formed by one or more of heat shrinkable tubing coating, powder dipping, plastic dipping, paint spraying and insulating film pasting. The hard connecting part and the soft connecting part of the finished product molten layer aluminum row processed by the modes of stamping, wire cutting, machining and the like can be of a rectangular structure, and a certain included angle can exist between the hard connecting part and the soft connecting part. Preferably, the outer surface of the hard connecting part 1 of the melting layer aluminum row is provided with a plating layer 11, the outer surface of the soft connecting part 2 is provided with an insulating layer 24, the insulating layer 24 extends to the hard connecting part 1 and is provided with a lap joint part with the plating layer 11, and the outer side ends of the two hard connecting parts 1 are provided with fixing holes 12.
Taking the aluminum row with a rectangular structure as an example, the aluminum row with the same size processed by the sectional material shown in fig. 6 is subjected to peeling force comparison test and resistance comparison test with the diffusion welding aluminum row in the prior art, wherein the length of the two aluminum rows is 170mm, the thickness is 3.3mm, the width is 45mm, the peeling test is carried out according to GB/T2792-;
table one: stripping force comparison test data statistical table
The resistance test is carried out by taking the technical requirement of the conventional diffusion welding conductive aluminum bar required by a customer as a standard, and the data of the resistance test of the two are shown in the following table II;
table two: resistance comparison test data statistical table
As can be seen from the above table, in terms of the peeling force, the peeling force of the melting layer aluminum bar of the present invention is improved by 405% compared with that of the diffusion welding aluminum bar produced by the diffusion welding process of the prior art; as can be seen from the second table, in the aspect of the electric conductivity, the resistance of the melting layer aluminum bar is reduced by 4.6 percent compared with the resistance of the diffusion welding aluminum bar produced by the diffusion welding process in the prior art.
The present invention is not limited to the above specific embodiments, and for those skilled in the art, the above conception can be used without any creative work, and all the changes made fall within the protection scope of the present invention.
Claims (10)
1. The section bar for the melting layer aluminum row is characterized in that the section bar is provided with a soft connecting part and a hard connecting part, the hard connecting part is of a flat plate structure, and at least one end of the soft connecting part is connected with the hard connecting part; the soft connecting part is at least provided with two connecting sheets, one section of the soft connecting part close to the hard connecting part is a collecting section, the sections of all the connecting sheets at the collecting section are arranged in a divergent shape, the end parts of the connecting sheets are fixedly connected with the hard connecting part after being collected, the included angles between the outer surface of the collecting section and the outer surface of the corresponding side of the hard connecting part connected with the collecting section are both larger than 90 degrees, a fillet is arranged at the root part under the condition of non-straight angle connection, and a fillet is arranged at the collecting part of two adjacent surfaces of two adjacent connecting sheets; the thickness of each connecting piece is uniform, and the thickness of the hard connecting part is not less than 2 times of that of the single connecting piece.
2. A profile for a fused aluminium array as claimed in claim 1 wherein all the webs are of the same thickness.
3. The section bar for melting aluminum rows as recited in claim 1, wherein the thickness of the hard connecting portion is 0.1-100 mm, the thickness of the single connecting piece is 0.05-1 mm, and the number of the connecting pieces is 2-100.
4. The sectional material for melting aluminum rows as set forth in claim 1, wherein there are two hard connecting portions, the two ends of the soft connecting portion are corresponding to the converging sections, the middle section is the elongated section, and the converging sections at the two ends are symmetrical to each other.
5. The sectional material for melting aluminum bar as set forth in claim 4, wherein the connecting sheet is linear at the converging portion, and at least one of linear at the elongated portion, a zigzag, an arc and a wave formed by connecting two or more line segments in sequence, and when the connecting sheet is linear and zigzag at the elongated portion, the connecting sheet is provided with a rounded corner at the connecting portion of the elongated portion and the converging portion or the elongated portion and the converging portion are directly connected in the same plane, and the elongated portion of the zigzag is also provided with a rounded corner at the connecting portion of two adjacent line segments; when the connecting piece is in the arc line type and the wave type in the lengthened section, the end part of the lengthened section is in tangential connection with the converging section.
6. A melting layer aluminum row is characterized in that the melting layer aluminum row is formed by leveling the section bar used for melting layer aluminum row in claim 1 at a soft connecting part, and all connecting pieces are in a flat shape which are sequentially attached.
7. The fused layer aluminum busbar as claimed in claim 6, wherein said fused layer aluminum busbar is provided with a plating layer on the outer surface of the hard joint portion.
8. The aluminum busbar according to claim 6, wherein the aluminum busbar is provided with an insulating layer on the outer surface of the soft connecting portion.
9. The aluminum busbar of claim 6, wherein the aluminum busbar is coated on the outer surface of the hard connecting portion, the insulating layer is provided on the outer surface of the soft connecting portion, and the insulating layer extends to the hard connecting portion and is provided with a lap joint with the insulating layer.
10. The melting layer aluminum row as recited in claim 6, wherein the outer ends of the two hard connecting portions are provided with fixing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220342834.0U CN217334338U (en) | 2022-02-21 | 2022-02-21 | A section bar and melt layer aluminium and arrange for melting layer aluminium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220342834.0U CN217334338U (en) | 2022-02-21 | 2022-02-21 | A section bar and melt layer aluminium and arrange for melting layer aluminium |
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| Publication Number | Publication Date |
|---|---|
| CN217334338U true CN217334338U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220342834.0U Active CN217334338U (en) | 2022-02-21 | 2022-02-21 | A section bar and melt layer aluminium and arrange for melting layer aluminium |
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| Country | Link |
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| CN (1) | CN217334338U (en) |
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- 2022-02-21 CN CN202220342834.0U patent/CN217334338U/en active Active
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