CN208423188U - A kind of compression joint type copper-aluminium joint - Google Patents
A kind of compression joint type copper-aluminium joint Download PDFInfo
- Publication number
- CN208423188U CN208423188U CN201821328530.9U CN201821328530U CN208423188U CN 208423188 U CN208423188 U CN 208423188U CN 201821328530 U CN201821328530 U CN 201821328530U CN 208423188 U CN208423188 U CN 208423188U
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- CN
- China
- Prior art keywords
- aluminium joint
- copper
- aluminium
- joint
- copper sleeve
- 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.)
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- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 230000006835 compression Effects 0.000 title claims abstract description 21
- 238000007906 compression Methods 0.000 title claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 99
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 96
- 239000004411 aluminium Substances 0.000 claims abstract description 79
- 229910052802 copper Inorganic materials 0.000 claims abstract description 79
- 239000010949 copper Substances 0.000 claims abstract description 79
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000004020 conductor Substances 0.000 claims abstract description 16
- 238000002788 crimping Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000001131 transforming effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 9
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses a kind of compression joint type copper-aluminium joints, including aluminium joint and copper sleeve, one end of aluminium joint and one end of copper sleeve it is nested crimping, the other end of aluminium joint is for connecting aluminum conductor, the other end of copper sleeve is for connecting power transmission and transforming equipment, junction outside aluminium joint and copper sleeve is arranged with an embedding capping, and sealing ring is equipped between embedding capping and aluminium joint and copper sleeve, and the junction inside aluminium joint and copper sleeve is equipped with embedding seal structure.The utility model solves the problems, such as that copper-aluminium joint faying face contact quality variation easily occurs and causes scaling loss with contact resistance increase: connecting aluminium joint and copper sleeve using crimping mode, solderless termination process is easy to operate；The connection of copper, aluminium joint and atmosphere is prevented by embedding envelope, so that all overcurrent channels do not have the infiltration of oxygen and steam, copper-aluminium joint performance is improved, prolongs its service life.
Description
Technical field
The utility model relates to the technical fields of transformer equipment, more particularly to a kind of compression joint type copper-aluminium joint.
Background technique
Transformer equipment, controller switching equipment and a large amount of outlet terminals of end user device are copper sheet, are connect with aluminum equipment wire clamp
The position of touching is known as copper-aluminium joint.The unobstructed performance of bond strength, overcurrent, the stability of faying face of copper-aluminium joint are to influence it just
The key factor being often used.There are two types of manufacturing process for current copper-aluminium joint: one is existed with the method for flash welding or friction welding (FW)
One piece of copper sheet of butt welding on aluminium joint；Another kind is that the side with soldering processes on aluminium sheet is covered with one piece of sheet copper.In reality
In the operation of border, easily there is faying face contact quality variation in these copper-aluminium joints and contact resistance increases the problems such as causing scaling loss.
Although improving copper-aluminium joint performance there are many improved technology, extend its service life, effect is unsatisfactory.Study carefully it
The reason is as follows that:
1, the reducing property of aluminum material is strong, easily generation arc oxidation, primary battery oxidation, the alumina powder resistance of generation
Greatly, swell increment is big；
2, copper, the blending energy of aluminum material are poor, and Cu and Al combination face air gap is constantly present, and aluminium, which is oxidized, to be also constantly present；
3, the uncompensated pressure of current copper-aluminium joint, in addition the thermal expansion coefficient of copper aluminium material material is different, thermal deformation is also made
It is deteriorated at the bonding state of copper-aluminium joint.
Utility model content
The purpose of the utility model is to provide a kind of compression joint type copper-aluminium joint, to solve above-mentioned of the existing technology ask
Topic makes traditional copper-aluminium joint combination change, overcurrent channel does not have by carrying out embedding envelope to copper-aluminium joint interconnecting piece
There is the infiltration of oxygen and steam, improve copper-aluminium joint performance, extends its service life.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of compression joint type copper-aluminium joint, including aluminium joint and copper sleeve, and the one of the aluminium joint
Hold crimping nested with one end of the copper sleeve, the other end of the aluminium joint is used to connect aluminum conductor, the copper sleeve it is another
For connecting power transmission and transforming equipment, the junction outside the aluminium joint and the copper sleeve is arranged with an embedding capping, described for one end
Sealing ring, the connection inside the aluminium joint and the copper sleeve are equipped between embedding capping and the aluminium joint and the copper sleeve
Place is equipped with embedding seal structure.
Preferably, one end that the aluminium joint is crimped with the copper sleeve nesting be the first socket pipe, the copper sleeve with
One end of the aluminium joint nesting crimping is the first socket column, and the first socket column is equipped at least two the first crimp grooves of circle,
First socket pipe is equipped with the first pressure contact portion to match with first crimp groove.
Preferably, the quantity of first crimp groove is three circles.
Preferably, one end that the aluminium joint is crimped with the copper sleeve nesting be second socket column, the copper sleeve with
One end of the aluminium joint nesting crimping is the second socket pipe, and the second socket column is equipped at least two the second crimp grooves of circle,
Second socket pipe is equipped with the second pressure contact portion to match with second crimp groove.
Preferably, the quantity of second crimp groove is three circles.
Preferably, one end that the aluminium joint is connect with the aluminum conductor is bell-and-spigot pipe, and the end of the aluminum conductor is located at
It is closely connect inside the bell-and-spigot pipe and with the bell-and-spigot pipe.
Preferably, one end that the copper sleeve is connect with the power transmission and transforming equipment is plat part, is opened up on the plat part
There is connecting hole, the connecting hole is connect by bolt with the power transmission and transforming equipment.
Preferably, the material of the embedding seal structure is tin, lead or polyurethane foams.
Preferably, the aluminium joint is integrally formed.
Preferably, the copper sleeve is integrally formed.
The utility model achieves following technical effect compared with the existing technology:
The utility model solve copper-aluminium joint easily occur faying face contact quality be deteriorated and contact resistance increase cause to burn
The problem of damage: aluminium joint and copper sleeve are connected using crimping mode, solderless termination process is easy to operate；By embedding envelope prevent copper,
The connection of aluminium joint and atmosphere improves copper-aluminium joint so that all overcurrent channels do not have the infiltration of oxygen and steam
Performance prolongs its service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram after the utility model embodiment one is installed；
Fig. 2 is the structural schematic diagram before the utility model embodiment one is installed；
Fig. 3 is the structural schematic diagram of one aluminium joint of the utility model embodiment；
Fig. 4 is the structural schematic diagram of one copper sleeve of the utility model embodiment；
Fig. 5 is the structural schematic diagram after the utility model embodiment two is installed；
Fig. 6 is the structural schematic diagram before the utility model embodiment two is installed；
Fig. 7 is the structural schematic diagram of two aluminium joint of the utility model embodiment；
Fig. 8 is the structural schematic diagram of two copper sleeve of the utility model embodiment；
Fig. 9 is the structural schematic diagram of the embedding capping of the utility model compression joint type copper-aluminium joint；
Figure 10 is the structural schematic diagram of the utility model compression joint type copper-aluminium joint sealing ring；
Wherein: 1- aluminum conductor, 2- aluminium joint, 3- copper sleeve, the embedding seal structure of 4-, 5- sealing ring, 6- connecting hole, the embedding envelope of 7-
Lid, the first crimp groove of 8-, the second crimp groove of 9-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise not made the creative labor
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is of the existing technology to solve the problems, such as the purpose of the utility model is to provide a kind of compression joint type copper-aluminium joint, make
Traditional copper-aluminium joint faying face shape and combination change, and carry out embedding envelope to copper-aluminium joint, enhancing copper-aluminium joint is anti-
Drawing ability and overcurrent ability.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Embodiment one
As shown in Fig. 1 to 4 and Fig. 9 to 10: present embodiments providing a kind of compression joint type copper-aluminium joint, including 2 He of aluminium joint
Copper sleeve 3, one end of aluminium joint 2 crimping nested with one end of copper sleeve 3, connects aluminium joint 2 and copper sleeve using crimping mode
3, solderless termination process is easy to operate, is mounted directly at the scene using existing crimping apparatus.The other end of aluminium joint 2 is for connecting
Aluminum conductor 1 is connect, the other end of aluminium joint 2 is also nested crimp with aluminum conductor 1.The other end of copper sleeve 3 is defeated for connecting
Junction outside transformer equipment, aluminium joint 2 and copper sleeve 3 is arranged with an embedding capping 7, embedding capping 7 and aluminium joint 2 and copper sleeve
Sealing ring 5 is equipped between 3, sealing ring 5 compensates certain connection pressure when can be 3 thermal deformation of aluminium joint 2 and copper sleeve.Aluminium connects
First 2 and copper sleeve 3 inside junction be equipped with embedding seal structure 4, wherein the material of embedding seal structure 4 be tin, lead or polyurethane foam
Agent.Embedding envelope must assure that tight-closed, the connection of copper sleeve 3, aluminium joint 2 and air be prevented by embedding seal structure 4, so that electric
The favorable sealing property for flowing through circulation road ensures that the faying face of junction does not contact or lacks ingress of air and rainwater as far as possible, effectively
Solve the problems, such as that the junction quality easily occurred between copper sleeve 3, aluminium joint 2 is deteriorated and contact resistance increase causes scaling loss,
Copper sleeve 3,2 performance of aluminium joint are improved, is prolonged its service life.
Specifically, aluminium joint 2 is the first socket pipe with the nested one end crimped of copper sleeve 3, copper sleeve 3 and aluminium joint 2 are embedding
One end of set crimping is the first socket column, and the first socket column is equipped at least two the first crimp grooves 8 of circle, and the first socket pipe is equipped with
The first pressure contact portion to match with the first crimp groove 8.The quantity of first crimp groove 8 is preferably three circles.The section of first crimp groove 8
Shape can be rectangle, rectangular, triangle, trapezoidal or arc-shaped.The faying face shape of junction is that variable cross-section is (rough
Setback section), increase contact area, it is ensured that the overcurrent area of certain nargin.
Wherein, one end that aluminium joint 2 is connect with aluminum conductor 1 be bell-and-spigot pipe, the end of aluminum conductor 1 be located at bell-and-spigot pipe inside and
It is closely connect with bell-and-spigot pipe, bell-and-spigot pipe is connected to first set nozzle interior, and bell-and-spigot pipe radius is greater than the second socket pipe, but the two
Same length.One end that copper sleeve 3 is connect with power transmission and transforming equipment is plat part, offers connecting hole 6 on plat part, is connected
Hole 6 is connect by bolt with power transmission and transforming equipment, the same length of the first socket column and plat part.And aluminium joint 2 and copper connect
First 3 are integrally formed, and structure and connection relationship are simple, enhance copper sleeve 3,2 tensile capacity of aluminium joint and overcurrent energy
Power.
Embodiment two
As shown in Fig. 5 to 10: a kind of compression joint type copper-aluminium joint, including aluminium joint 2 and copper sleeve 3 are present embodiments provided,
The crimping nested with one end of copper sleeve 3 of one end of aluminium joint 2, connects aluminium joint 2 and copper sleeve 3, welding using crimping mode
Process, it is easy to operate, it is mounted directly at the scene using existing crimping apparatus.The other end of aluminium joint 2 is for connecting aluminum conductor
1, the other end of aluminium joint 2 is also nested crimp with aluminum conductor 1.The other end of copper sleeve 3 is used to connect power transmission and transforming equipment,
Junction outside aluminium joint 2 and copper sleeve 3 is arranged with an embedding capping 7, is equipped between embedding capping 7 and aluminium joint 2 and copper sleeve 3
Sealing ring 5, sealing ring 5 compensate certain connection pressure when can be 3 thermal deformation of aluminium joint 2 and copper sleeve.Aluminium joint 2 and copper connect
Junction inside first 3 is equipped with embedding seal structure 4, wherein the material of embedding seal structure 4 is tin, lead or polyurethane foams.Embedding envelope must
Palpus guarantee is tight-closed, prevents the connection of copper sleeve 3, aluminium joint 2 and air by embedding seal structure 4, so that overcurrent is logical
The favorable sealing property in road ensures that the faying face of junction does not contact or lacks ingress of air and rainwater as far as possible, efficiently solves copper
The problem of junction quality easily occurred between connector 3, aluminium joint 2 is deteriorated and contact resistance increase causes scaling loss, improves copper
2 performance of aluminium joint, prolongs its service life.
Specifically, aluminium joint 2 is the second socket column with the nested one end crimped of copper sleeve 3, copper sleeve 3 and aluminium joint 2 are embedding
One end of set crimping is the second socket pipe, and the second socket column is equipped at least two the second crimp grooves 9 of circle, and the second socket pipe is equipped with
The second pressure contact portion to match with the second crimp groove 9.The quantity of second crimp groove 9 is preferably three circles.The section of second crimp groove 9
Shape can be rectangle, rectangular, triangle, trapezoidal or arc-shaped.The faying face shape of junction is that variable cross-section is (rough
Setback section), increase contact area, it is ensured that the overcurrent area of certain nargin.
Wherein, one end that aluminium joint 2 is connect with aluminum conductor 1 be bell-and-spigot pipe, the end of aluminum conductor 1 be located at bell-and-spigot pipe inside and
It is closely connect with bell-and-spigot pipe.The same length of bell-and-spigot pipe and the second socket column.Copper sleeve 3 connect with power transmission and transforming equipment one
End is plat part, and connecting hole 6 is offered on plat part, and connecting hole 6 is connect by bolt with power transmission and transforming equipment.Plat part and second
The same length of socket pipe.And aluminium joint 2 and copper sleeve 3 are integrally formed, structure and connection relationship are simple, enhance
Copper sleeve 3,2 tensile capacity of aluminium joint and overcurrent ability.
Embodiment one and embodiment two change 2 junction faying face of traditional copper sleeve 3 and aluminium joint shape and
Connection type enhances the tensile capacity and overcurrent ability of copper sleeve 3 and aluminium joint 2；Embedding envelope is carried out to junction, it is ensured that even
The faying face at the place of connecing does not contact or lacks as far as possible ingress of air and rainwater.Compared with existing copper-aluminium joint 2, solves 3 He of copper sleeve
The problem of junction faying face contact quality occurred between aluminium joint 2 is deteriorated and contact resistance increase be easy to cause scaling loss, changes
It has been apt to the performance of copper sleeve 3 and aluminium joint 2, has extended its service life.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of compression joint type copper-aluminium joint, it is characterised in that: including aluminium joint and copper sleeve, one end of the aluminium joint and described
One end nesting of copper sleeve crimps, and for connecting aluminum conductor, the other end of the copper sleeve is used for the other end of the aluminium joint
Connect power transmission and transforming equipment, the junction outside the aluminium joint and the copper sleeve is arranged with an embedding capping, the embedding capping with
Sealing ring is equipped between the aluminium joint and the copper sleeve, the junction inside the aluminium joint and the copper sleeve is equipped with embedding
Seal structure.
2. compression joint type copper-aluminium joint according to claim 1, it is characterised in that: the aluminium joint is nested with the copper sleeve
One end of crimping is the first socket pipe, and one end that the copper sleeve is crimped with the aluminium joint nesting is the first socket column, described
First socket column is equipped at least two the first crimp grooves of circle, and first socket pipe is equipped with to match with first crimp groove
The first pressure contact portion.
3. compression joint type copper-aluminium joint according to claim 2, it is characterised in that: the quantity of first crimp groove is three
Circle.
4. compression joint type copper-aluminium joint according to claim 1, it is characterised in that: the aluminium joint is nested with the copper sleeve
One end of crimping is the second socket column, and one end that the copper sleeve is crimped with the aluminium joint nesting is the second socket pipe, described
Second socket column is equipped at least two the second crimp grooves of circle, and second socket pipe is equipped with to match with second crimp groove
The second pressure contact portion.
5. compression joint type copper-aluminium joint according to claim 4, it is characterised in that: the quantity of second crimp groove is three
Circle.
6. compression joint type copper-aluminium joint according to any one of claims 1-5, it is characterised in that: the aluminium joint with it is described
One end of aluminum conductor connection is bell-and-spigot pipe, and the end of the aluminum conductor is located inside the bell-and-spigot pipe and close with the bell-and-spigot pipe
Connection.
7. compression joint type copper-aluminium joint according to any one of claims 1-5, it is characterised in that: the copper sleeve with it is described
One end of power transmission and transforming equipment connection is plat part, and connecting hole is offered on the plat part, and the connecting hole passes through bolt and institute
State power transmission and transforming equipment connection.
8. compression joint type copper-aluminium joint according to any one of claims 1-5, it is characterised in that: the material of the embedding seal structure
Material is tin, lead or polyurethane foams.
9. compression joint type copper-aluminium joint according to any one of claims 1-5, it is characterised in that: aluminium joint one at
Type.
10. compression joint type copper-aluminium joint according to any one of claims 1-5, it is characterised in that: the copper sleeve one
Molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821328530.9U CN208423188U (en) | 2018-08-17 | 2018-08-17 | A kind of compression joint type copper-aluminium joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821328530.9U CN208423188U (en) | 2018-08-17 | 2018-08-17 | A kind of compression joint type copper-aluminium joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208423188U true CN208423188U (en) | 2019-01-22 |
Family
ID=65121901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821328530.9U Active CN208423188U (en) | 2018-08-17 | 2018-08-17 | A kind of compression joint type copper-aluminium joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208423188U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021197422A1 (en) * | 2020-04-01 | 2021-10-07 | 吉林省中赢高科技有限公司 | Electric energy transmission aluminum part and machining process therefor |
-
2018
- 2018-08-17 CN CN201821328530.9U patent/CN208423188U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021197422A1 (en) * | 2020-04-01 | 2021-10-07 | 吉林省中赢高科技有限公司 | Electric energy transmission aluminum part and machining process therefor |
| JP2023510042A (en) * | 2020-04-01 | 2023-03-10 | 吉林省中贏高科技有限公司 | Electric energy transmission aluminum parts and their processing |
| JP7350193B2 (en) | 2020-04-01 | 2023-09-25 | 吉林省中贏高科技有限公司 | Electrical energy transmission aluminum parts and their processing process |
| EP4131657A4 (en) * | 2020-04-01 | 2023-10-18 | Jilin Zhong Ying High Technology Co., Ltd. | Electric energy transmission aluminum part and machining process therefor |
| US11978990B2 (en) | 2020-04-01 | 2024-05-07 | Jilin Zhong Ying High Technology Co., Ltd. | Electric energy transmission aluminum part and machining process therefor |
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