CN210326172U - Lateral composite copper-aluminum composite material - Google Patents
Lateral composite copper-aluminum composite material Download PDFInfo
- Publication number
- CN210326172U CN210326172U CN201921126188.9U CN201921126188U CN210326172U CN 210326172 U CN210326172 U CN 210326172U CN 201921126188 U CN201921126188 U CN 201921126188U CN 210326172 U CN210326172 U CN 210326172U
- Authority
- CN
- China
- Prior art keywords
- copper
- aluminum
- tenon
- tenons
- mortise
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The utility model relates to a side direction compound copper aluminium composite material, which belongs to the technical field of power transmission and comprises a copper plate belt and an aluminum plate belt, wherein two copper tenons are arranged at the upper and lower intervals on one side of the copper plate belt, the length of the copper tenons is equal to that of the copper plate belt, one side of the aluminum plate belt is provided with an aluminum mortise matched with the copper tenons, and the copper tenons are arranged in the aluminum mortise; form the aluminium tenon between two aluminium mortises, form the copper mortise between two copper tenons, the aluminium tenon dress is in the copper mortise. The utility model has large controllable range of embedding depth, and the tenon is divided into an upper part and a lower part, so that the flexibility of the combining area is good, and the anti-vibration performance is excellent; meanwhile, the area of a copper-aluminum interface bonding area can be increased, the area of the bonding area can reach 5-10 times of that of a welding method, the bonding strength is high, the interface contact resistance is small, the corrosion resistance is high, the reliability is good, no redundant weight exists, and the weight reduction of a battery pack is facilitated; the tenon-and-mortise structure has good inhibiting effect on the possible crack propagation and the loosening of copper and aluminum tenons of parts.
Description
Technical Field
The utility model relates to a power transmission technical field especially relates to a compound copper aluminium combined material of side direction.
Background
A large number of copper-aluminum busbars are connected in the power and battery pack industry. Copper-aluminum composites have been extensively studied and developed for their excellent properties.
At present, the conventional method for producing copper-aluminum composite materials in China is welding by various physical principles, namely, copper and aluminum parts are welded into copper-aluminum electric connection parts one by one, the production method needs to be provided with a large amount of personnel and equipment, the efficiency is low, the cost is high, certain welding reject ratio is achieved, the area of a welding joint surface is limited, the consistency, the stability and the reliability of the product quality are difficult to fully guarantee, and excessive weight is not needed.
Foreign countries have electrical connection parts manufactured by punching copper-aluminum continuous side composite coiled materials, but the copper-aluminum interface bonding area is small, the crack-resistant expansion capability is insufficient, the possibility of falling off exists, and the reliability is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compound copper aluminium combined material of side direction, the area of multiplicable copper aluminium interface bonding region, bonding strength is high, locking moving, the good reliability.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the lateral composite copper-aluminum composite material comprises a copper plate strip and an aluminum plate strip, wherein one side of the copper plate strip and one side of the aluminum plate strip are made into a strip material after being joggled through two tenons, and the length of each tenon is equal to that of the strip material.
Furthermore, two copper tenons are arranged on one side of the copper plate strip at intervals from top to bottom, the length of each copper tenon is equal to that of the copper plate strip, an aluminum mortise matched with the copper tenons is arranged on one side of the aluminum plate strip, and the copper tenons are arranged in the aluminum mortises;
form the aluminium tenon between two aluminium mortises, form the copper mortise between two copper tenons, the aluminium tenon dress is in the copper mortise.
Further preferably, the two copper tenons are symmetrically arranged, and the upper surface of the upper copper tenon is inclined downwards from the root to the head.
Or the two copper tenons are symmetrically arranged, each copper tenon consists of a root and a head, each head is a free end, and the root is thicker than the head and wider than the head; the upper surface of the root portion is inclined downward from the root portion side to the head portion side.
Further, the head end of the aluminum tenon is thickened, and the notch of the copper mortise is narrowed.
Preferably, the aluminum tenon is gradually thickened from the root to the head end, and the copper mortise is gradually narrowed from the groove bottom to the notch.
Preferably, the width of the copper tenon is 2.5mm-25 mm.
Further preferably, the thickness of the copper plate strip is equal to that of the aluminum plate strip, the thickness of the aluminum plate strip is 0.1mm-4mm, and the thickness of the aluminum tenon is 0.04mm-1 mm.
The production method of the lateral composite copper-aluminum composite material comprises the following steps,
and 3, continuously carrying out atomic diffusion heat treatment at 400-670 ℃.
Further, after the step 3, rolling by a finished product rolling mill → stress relief heat treatment → surface passivation → longitudinal shearing are sequentially carried out.
Furthermore, the copper plate strip and the aluminum plate strip are processed by a machine or manufactured into corresponding cross-sectional structures in a laminating mode.
Compared with the prior art, the utility model discloses following beneficial effect has:
1, the embedding depth controllable section of the utility model is large, and the tenon is divided into an upper tenon and a lower tenon, so that the flexibility of the combining area is good, and the anti-vibration performance is excellent; meanwhile, the area of a copper-aluminum interface bonding area can be increased, the area of the bonding area can reach 5-10 times of that of a welding method, the bonding strength is high, no redundant weight is generated, and the weight of the battery pack is reduced;
2, the tenon-and-mortise structure has good inhibition effect on crack propagation and loosening of copper and aluminum tenons possibly generated by parts;
3, the embedding depth is large, the copper-aluminum electric contact surfaces are compact and gapless interatomic bonds, and the contact area is large, so that the internal resistance of copper-aluminum transition of the part is small, and the large-current overcurrent performance is better;
4, the copper-aluminum transition regions are all compact interatomic diffusion bonding, electrolyte liquid such as water vapor and the like cannot permeate, and the corrosion resistance of the parts is excellent;
5, use the utility model discloses the compound copper aluminium combined material of side direction that the method was made can the lapping packing, and the compound copper aluminium combined material of side direction of this lapping can be punched into a large amount of copper aluminium conducting bars with high efficiency, and the quality is reliable, easily nondestructive test, and uniformity, stability, good reliability, a large amount of equipment investment and redundant personnel can be practiced thrift to the part processing enterprise, and production degree of automation is high.
Drawings
FIG. 1 is a three-dimensional view of the first embodiment;
FIG. 2 is a three-dimensional view of a copper strip in accordance with one embodiment;
FIG. 3 is a schematic cross-sectional view of the first embodiment;
FIG. 4 is a schematic cross-sectional view of a copper strip according to one embodiment;
FIG. 5 is a schematic cross-sectional view of an aluminum strip in accordance with one embodiment;
FIG. 6 is a schematic illustration of two-sided extrusion;
FIG. 7 is a schematic extrusion view of a clad-rolling mill;
FIG. 8 is a schematic cross-sectional view of the second embodiment;
FIG. 9 is a schematic cross-sectional view of a copper strip according to a second embodiment;
FIG. 10 is a schematic cross-sectional view of a third embodiment;
FIG. 11 is a schematic cross-sectional view of a copper strip according to a third embodiment;
FIG. 12 is a schematic cross-sectional view of an aluminum strip of the third embodiment;
in the figure: 1-copper plate strip, 2-aluminum plate strip, 11-copper tenon, 12-copper mortise, 21-aluminum tenon, 22-aluminum mortise, 23-guide cambered surface, 111-root and 112-head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 5, the lateral composite copper-aluminum composite material disclosed in this embodiment includes a copper plate strip 1 and an aluminum plate strip 2, and one side of the copper plate strip 1 and one side of the aluminum plate strip 2 are joggled by two tenons to form a strip. The tenon of the embodiment is divided into an upper tenon and a lower tenon, so that the area of the copper-aluminum interface bonding area can be multiplied, the bonding strength is improved, and the stability is improved.
In the embodiment, two copper tenons 11 are arranged on one side of a copper plate strip 1 at intervals from top to bottom, the length of each copper tenon 11 is equal to that of the copper plate strip 1, an aluminum mortise 22 matched with the copper tenons 11 is arranged on one side of an aluminum plate strip 2, and the copper tenons 11 are arranged in the aluminum mortises 22; an aluminum tenon 21 is formed between the two aluminum mortises 22, a copper mortise 12 is formed between the two copper tenons 11, and the aluminum tenon 21 is arranged in the copper mortise 12. In another embodiment, the structure of the copper plate strip 1 and the aluminum plate strip 2 can be interchanged, namely, two aluminum tenons are arranged on one side of the aluminum plate strip at intervals from top to bottom.
For convenient assembly, the upper surface of the copper tenon 11 above inclines downwards from the root to the head, and the two copper tenons 11 are symmetrically arranged. The inclined surface enables the two copper tenons 11 to become thinner gradually from the root to the end, so that the combination area has good flexibility and excellent shock resistance. In order to facilitate the extrusion, the upper edge and the lower edge of the end part of the aluminum tenon 21 are rounded, and the rounded corners form a guide arc surface 23, so that the aluminum tenon 21 can be conveniently embedded between the two copper tenons 11.
The widths of the copper tenon 11 and the aluminum tenon 21 correspond to the embedding depth of the copper plate strip 1 and the aluminum plate strip 2. The copper plate belt 1 and the aluminum plate belt 2 are embedded into each other to a large depth, and the crack prevention expansion capability is strong. The embedding depth is set according to requirements, and the width of the copper tenon 11 in the embodiment is 2.5mm-25 mm.
The thickness of the copper plate strip 1 is equal to that of the aluminum plate strip 2, and the upper surfaces of the copper plate strip and the aluminum plate strip are flush. Preferably, the thickness of the aluminum plate strip 2 is 0.1mm to 4mm, and the thickness of the aluminum tenon 21 is 0.04mm to 1 mm. The thickness of the copper tenon 11 is 0.03mm-1.5 mm.
The utility model discloses well copper aluminium interface bonding area is greater than the welding method, and bonding area can reach 5 ~ 10 times of welding method, and its bonding strength is high, does not have unnecessary weight, is favorable to the group battery to subtract heavy.
The controllable interval of embedding degree of depth is big, and divide into two from top to bottom, makes the joining area pliability good, and anti-vibration performance is excellent, and the tenon fourth of twelve earthly branches structure all has fine inhibitory action to the crack propagation and the copper that the part probably produced, aluminium tongue not hard up simultaneously. The embedded tenon has large width, compact and gapless interatomic bonding of copper-aluminum electric contact surfaces and large contact area, so that the internal resistance of copper-aluminum transition of parts is small, and the heavy-current overcurrent performance is better.
The utility model discloses a production method of a lateral composite copper-aluminum composite material, which comprises the following steps:
And 3, carrying out atomic diffusion heat treatment in a continuous heat treatment furnace at the temperature of 400-670 ℃ to prepare a blank.
And 4, according to the specification and the size of the product, performing processing technologies such as conventional rolling technology rolling → cleaning → stress relief heat treatment → surface passivation → longitudinal shearing → packaging and the like to manufacture the product meeting the requirements of users. And the longitudinal shearing is used for cutting off redundant excess materials at the edge to obtain the strip materials with consistent width.
The lateral composite copper-aluminum composite material prepared by the method can be packaged in a roll. The coiled lateral composite copper-aluminum composite strip can be efficiently punched into a large number of copper-aluminum conductive bars, the quality is reliable, nondestructive testing is easy, the consistency, the stability and the reliability are good, part processing enterprises can save a large amount of equipment investment and redundant personnel, and the production automation degree is high.
Example two
The difference between this embodiment and the first embodiment is: as shown in fig. 8 and 9, in the present embodiment, the head end of the aluminum tenon 21 is thickened, and the notch of the copper mortise 12 is narrowed. Preferably, the aluminum tenon 21 is gradually thickened from the root to the head, and the copper mortise 12 is gradually narrowed from the groove bottom to the notch. The structure can effectively prevent the copper and aluminum tenons from loosening, inhibit the possible crack expansion and improve the reliability.
EXAMPLE III
The present embodiment is different from the first and second embodiments in that: as shown in fig. 3, 8, 10, 11 and 12, the copper tenon 11 of the present embodiment is composed of a root 111 and a head 112, and the head 112 is a free end. The root 111 is thicker than the head 112 and wider than the head 112. The upper surface of the root 111 is inclined downward from the root side to the head side. Preferably, the width of the aluminum tenon 21 is smaller than that of the copper tenon 11. In this embodiment, two copper tenon fingers sandwich the aluminum tenon, with the head 112 corresponding to the finger pulp. The embodiment can effectively prevent the copper and aluminum tenons from loosening, inhibit the possible crack propagation and improve the reliability.
Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and that such changes and modifications are intended to be included within the scope of the appended claims.
Claims (9)
1. The lateral composite copper-aluminum composite material comprises a copper plate strip and an aluminum plate strip, and is characterized in that: one side of the copper plate strip and one side of the aluminum plate strip are joggled through two tenons to form a strip, and the length of each tenon is equal to that of the strip.
2. The lateral composite copper-aluminum composite material according to claim 1, characterized in that: two copper tenons are arranged on one side of the copper plate strip at intervals from top to bottom, the length of each copper tenon is equal to that of the copper plate strip, an aluminum mortise matched with the copper tenons is arranged on one side of the aluminum plate strip, and the copper tenons are arranged in the aluminum mortises;
form the aluminium tenon between two aluminium mortises, form the copper mortise between two copper tenons, the aluminium tenon dress is in the copper mortise.
3. The lateral composite copper-aluminum composite material according to claim 2, characterized in that: the two copper tenons are symmetrically arranged, and the upper surface of the copper tenon above the two copper tenons inclines downwards from the root to the head.
4. The lateral composite copper-aluminum composite material according to claim 2, characterized in that: the two copper tenons are symmetrically arranged, each copper tenon consists of a root and a head, each head is a free end, and the root is thicker than the head and wider than the head; the upper surface of the root portion is inclined downward from the root portion side to the head portion side.
5. The lateral composite copper-aluminum composite material according to claim 2, 3 or 4, characterized in that: the head end of the aluminum tenon is thickened, and the notch of the copper mortise is narrowed.
6. The lateral composite copper-aluminum composite material according to claim 5, characterized in that: the aluminum tenon is gradually thickened from the root to the head end, and the copper mortise is gradually narrowed from the bottom to the notch.
7. The lateral composite copper-aluminum composite material according to claim 2, characterized in that: the width of the copper tenon is 2.5mm-25 mm.
8. The lateral composite copper-aluminum composite material according to claim 1 or 6, characterized in that: the thickness of the copper plate strip is equal to that of the aluminum plate strip, and the thickness of the aluminum plate strip is 0.1mm-4 mm.
9. The lateral composite copper-aluminum composite material according to claim 2, 3, 4 or 7, characterized in that: the thickness of the aluminum tenon is 0.04mm-1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921126188.9U CN210326172U (en) | 2019-07-18 | 2019-07-18 | Lateral composite copper-aluminum composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921126188.9U CN210326172U (en) | 2019-07-18 | 2019-07-18 | Lateral composite copper-aluminum composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210326172U true CN210326172U (en) | 2020-04-14 |
Family
ID=70123886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921126188.9U Active CN210326172U (en) | 2019-07-18 | 2019-07-18 | Lateral composite copper-aluminum composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210326172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444915A (en) * | 2019-07-18 | 2019-11-12 | 上海亚大复合金属有限公司 | A kind of lateral composite copper aluminium composite material and its production method |
-
2019
- 2019-07-18 CN CN201921126188.9U patent/CN210326172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444915A (en) * | 2019-07-18 | 2019-11-12 | 上海亚大复合金属有限公司 | A kind of lateral composite copper aluminium composite material and its production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101760450B1 (en) | Methods for creating side-by-side metallic bonds between different materials using solid-phase bonding and the products produced thereby | |
| JP5025122B2 (en) | ELECTRODE WIRE FOR SOLAR CELL AND METHOD FOR PRODUCING THE SAME | |
| CN210326172U (en) | Lateral composite copper-aluminum composite material | |
| CN210326174U (en) | Continuous side composite copper-aluminum composite material | |
| CN101707295B (en) | Copper-aluminium explosion composite electrical T type copper-aluminium bimetal binding clip and explosion welding method | |
| CN205050907U (en) | Piece that converges that many group batteries were used | |
| CN210404070U (en) | Lateral continuous composite copper-aluminum composite material | |
| CN203826404U (en) | Solar photovoltaic assembly and solder strip thereof | |
| EP1296393A3 (en) | Electrode, battery using the same and method for manufacturing the electrode | |
| DE102012215661B4 (en) | Laser welded connection and electrochemical device | |
| CN110444915A (en) | A kind of lateral composite copper aluminium composite material and its production method | |
| CN202523722U (en) | Novel solar energy cell photovoltaic solder strip apparatus | |
| CN210326173U (en) | Copper-aluminum composite material | |
| CN110429397A (en) | A kind of lateral continuously composite copper aluminium composite material and its manufacturing method | |
| TW201242057A (en) | Photovoltaic panel and method for manufacturing conductive channel on photovoltaic panel | |
| CN202063031U (en) | Aluminum and steel combined contact rail | |
| US9243336B2 (en) | Process for the manufacture of contact strips for electrolyzers | |
| CN102848161A (en) | Steel grating plate production process | |
| CN104773093B (en) | Copper-aluminum composite conductor rail and manufacturing method thereof | |
| CN110429396A (en) | A kind of compound copper aluminum composite material in continuous side and its manufacturing method | |
| CN203520896U (en) | Conductive transition sheet for tooth-shaped stripe joint surface | |
| CN113685715A (en) | Novel lattice core structure and cutting interlocking preparation method adopted by same | |
| CN220290750U (en) | Silver-saving melt material | |
| CN217334338U (en) | A section bar and melt layer aluminium and arrange for melting layer aluminium | |
| CN206727087U (en) | A kind of lamination convergent belt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |