CN110416759A - A kind of the copper aluminum steel ear and wire bonding method of anti-couple-corrosion - Google Patents
A kind of the copper aluminum steel ear and wire bonding method of anti-couple-corrosion Download PDFInfo
- Publication number
- CN110416759A CN110416759A CN201910810709.0A CN201910810709A CN110416759A CN 110416759 A CN110416759 A CN 110416759A CN 201910810709 A CN201910810709 A CN 201910810709A CN 110416759 A CN110416759 A CN 110416759A
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- China
- Prior art keywords
- copper
- main body
- aluminum
- ear
- cavity
- 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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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/26—End pieces terminating in a screw clamp, screw or nut
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
- H01R4/625—Soldered or welded connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
- H01R43/05—Crimping apparatus or processes with wire-insulation stripping
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention discloses a kind of copper aluminum steel ears of anti-couple-corrosion, including line ear main body, the top of the line ear main body is provided with cavity, and the cavity is for connecting the cable after peeling, and the end of the line ear main body is for connecting other electrical equipments or cable；The material of the line ear main body is copper metal, and the copper aluminum steel ear further includes aluminum metal layer, and the inside of the cavity on the top of online ear main body is arranged in the aluminum metal layer, and the aluminum metal layer is fixedly connected with line ear main body.The invention also discloses a kind of wire bonding methods.The beneficial effects of the present invention are: 1, by the way that copper aluminum contact surface is hidden inside online ear, avoid contact with humid air, it is not easy to couple corrosion occur, ensure that stabilization, reliable, not perishable, the long service life of conducting wire connection；2, line ear main body is copper structure, with electric conductivity more better than traditional aluminum line ear and has biggish mechanical strength and metal toughness, it is not easy to be broken.
Description
Technical field
The present invention relates to conducting wire boundling fields, more particularly, to the copper aluminum steel ear and conducting wire knot of a kind of anti-couple-corrosion
Conjunction method.
Background technique
Copper aluminum steel ear is a kind of product applied to power industry, carries out transmission electricity for connecting two kinds of electric conductors of copper and aluminium
Energy.And two kinds of copper, aluminium metals are simply linked together can when, moisture and impurity in air can be produced in copper aluminum contact surface
Raw couple corrosion phenomenon.Especially under wet environment, the phenomenon that couple corrosion, can be more serious, so as to cause effective sectional area change
Small, contact resistance increases.The phenomenon that conductor temp.-elevating eventually leads to copper, aluminum conductor is burnt.Traditional elimination copper aluminium couple corrosion is existing
The way of elephant is: based on aluminum conductor, rear end crimps aluminum conductor, and front end aluminum connector using flash welding or rubs with copper sheet
The welding manner for wiping weldering is attached.Although at this moment copper and aluminium connect reliably from atomic level, it is not likely to produce copper aluminium electrification rotten
Phenomenon is lost, but copper-aluminium transition interface is typically easy to generate copper aluminium eutectic, copper aluminium eutectic is more crisp, reduces the machine of weld
Tool intensity, by risk when external force there are fracture.
And it is then had the following problems using existing copper aluminum steel ear:
The first, existing copper aluminum steel ear, copper aluminum contact surface are exposed in humid air, are easy to happen couple corrosion；
Although existing copper aluminum steel ear uses copper-aluminium transition technology, because the electrochemical properties of two kinds of metals of copper aluminium are not
Together.The exposure of copper-aluminium transition interface is aerial, once it is formed when the electrolyte of chance water, carbon dioxide and other impurities formation
A kind of chemical cell.Since aluminium is easy to lose electronics as cathode, copper is difficult to lose electronics as anode, then in positive and negative anodes
Between be formed the electromotive force of a 1.69V, and there is the electric current of a very little to pass through, corrode aluminum steel, that is, generate so-called electricity
Change corrosion；
The second, existing copper aluminum steel ear, when a current passes through, will make joint area temperature increase, and temperature increase and
Connector corrosion is more accelerated, contact resistance is increased, causes vicious circle, until burning；
Third, in electric system, do not allow using use the industrial line ear of friction welding (FW).Soldering is that copper sheet is welded on
In the side that the entire and equipment of aluminium terminal main body contacts, the contact surface of welding is big, and aluminium aoxidizes (or corrosion) needs by copper
Time is long, wants more stable relative to friction welding (FW).In fact, there are inadequate natural endowments for solder type copper aluminum steel ear, mainly: copper pair
The expansion coefficient difference of the oxidation of aluminium and corrosiveness and copper aluminium.In addition, aluminium is compared with copper, have that inflow-rate of water turbine is small, hardness is low and
The low disadvantage of fatigue strength.
Aluminium alloy wire clamp is a kind of copper-aluminium transition product of non-solder type, bulky although effect is preferable, some
The equipment of narrow space cannot use, and such as switch outlet wiring, and single cost is higher, at high cost if large-scale use
It is high.
Summary of the invention
The present invention overcomes above-mentioned existing technical deficiencies, provide a kind of copper aluminum steel ear of new anti-couple-corrosion.This hair
It is bright by the way that copper aluminum contact surface is hidden inside online ear, avoid contact with humid air, it is not easy to couple corrosion occur.
In order to solve the above technical problems, technical scheme is as follows:
A kind of copper aluminum steel ear of anti-couple-corrosion, including line ear main body, the top of the line ear main body are provided with cavity,
The cavity is for connecting the cable after peeling, and the end of the line ear main body is for connecting other cables；The line
The material of ear main body is copper metal, and the copper aluminum steel ear further includes aluminum metal layer, and online ear master is arranged in the aluminum metal layer
The inside of the cavity on the top of body, the aluminum metal layer are fixedly connected with line ear main body.
In the present invention, by the way that copper aluminum contact surface to be hidden to the inside of online ear cylinder, humid air is avoided contact with, so not
It is easy to happen couple corrosion；Secondly as contact surface will not directly meet the electrolyte that water, carbon dioxide and other impurities are formed,
Necessary condition is lost, couple corrosion can not be formed.
Secondly as aluminum metal conducting wire with copper-aluminium transition interface connection type is crimped by copper line ear main body of pressurizeing,
The plasticity of copper is stronger than aluminium, and crimping is more bonded, and avoids the influence of copper aluminium expansion coefficient difference, also overcomes the low of aluminum line ear
The shortcomings that hardness and low fatigue strength.Under identical current-carrying capacity, the volume using copper line ear main body is smaller, can be narrow
Space uses, easy for installation.
In a preferred solution, the interior of the cavity on the top of online ear main body is completely covered in the aluminum metal layer
Side.
In a preferred solution, the internal diameter of the cavity on the top of the line ear main body provided with aluminum metal layer is big
The diameter of cable after peeling.
In a preferred solution, the aluminum metal layer by way of fusing fusion with cover online ear main body
The inside of the cavity on top.
In this preferred embodiment, in such a way that high temperature melting merges, copper-aluminium transition interfacial contact area obtains giving greatly, and aluminium is by copper
The time of oxidation (or corrosion) wants longer, more stable relative to friction welding (FW).
In a preferred solution, the end of the line ear main body is provided with contact chip, and the contact chip is used for
Connect other electrical equipments or cable.
In this preferred embodiment, by being thickeied to contact chip, resistance is reduced, conductive capability is enhanced.When there is electric current
By when, the contact chip temperature of thickening is promoted less, is overcome and is used aluminium as when main body, due to the small disadvantage of inflow-rate of water turbine, appearance
Easily burn.
In a preferred solution, the buckle for connection is provided on the contact chip.
In a preferred solution, screw hole is offered on the contact chip.
The present invention also provides a kind of wire bonding methods, comprising the following steps:
Coat of paint is taken out in the end of copper metal conducting wire and aluminum metal conducting wire, and copper metal line is exposed in the end of copper metal conducting wire
Expose aluminum metal core in the end of core, aluminum metal conducting wire；
Aluminum metal core is inserted into the cavity on the top of line ear main body；
By way of pressurization, so that the aluminum metal layer in the cavity on the top of line ear main body pastes completely with aluminum metal core
It closes；
The end of line ear main body is connected to copper metal core, completes the connection of two kinds of electric conductors of copper and aluminium.
Compared with prior art, the beneficial effect of technical solution of the present invention is:
1, by hiding copper aluminum contact surface inside online ear, humid air is avoided contact with, it is not easy to couple corrosion occurs,
It ensure that stabilization, reliable, not perishable, the long service life of conducting wire connection.
2, line ear main body is copper structure, with electric conductivity more better than traditional aluminum line ear and is had biggish mechanical strong
Degree and metal toughness, it is not easy to be broken.
Detailed description of the invention
Fig. 1 is the cross-sectional view of embodiment.
Fig. 2 is the side view of embodiment.
Fig. 3 is the main view of embodiment.
Label declaration: 1, aluminum metal layer；2, metallic channel；3, copper main body；4, screw hole；5, aluminum metal conducting wire.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent actual product
Size；
To those skilled in the art, it is to be understood that certain known features and its explanation, which may be omitted, in attached drawing
's.
The following further describes the technical solution of the present invention with reference to the accompanying drawings and examples.
Embodiment
As shown in Figure 1, a kind of copper aluminum steel ear of anti-couple-corrosion, including copper main body 3, the end setting of copper main body 3
There is contact chip, screw hole 4 is provided on contact chip；The top of copper main body 3 is provided with metallic channel 2, and aluminum metal layer 1 passes through high temperature melting
The mode for changing fusion is completely covered on the inside of metallic channel 2.
Wherein, the aperture of the screw hole of embodiment is defined as A, and the length of the contact chip of embodiment is defined as B, the present embodiment
Entire length is defined as D, and the internal diameter of the metallic channel 2 of embodiment is defined as E, and the diameter on the top of the copper main body 3 of embodiment is fixed
Justice is F, and the width of the contact chip of embodiment is defined as G, and the width of the contact chip of embodiment is defined as H, the aluminum metal of embodiment
The thickness of layer 1 is defined as T, and the example of above-mentioned parameter is as shown in the table:
A kind of wire bonding method, comprising the following steps:
Coat of paint is taken out in the end of copper metal conducting wire and aluminum metal conducting wire, and copper metal line is exposed in the end of copper metal conducting wire
Expose aluminum metal core in the end of core, aluminum metal conducting wire；
Aluminum metal core is inserted into the cavity on the top of line ear main body；
By way of pressurization, so that the aluminum metal layer in the cavity on the top of line ear main body pastes completely with aluminum metal core
It closes；
The end of line ear main body is connected to copper metal core, completes the connection of two kinds of electric conductors of copper and aluminium.
The present embodiment the utility model has the advantages that
1, by hiding copper aluminum contact surface inside online ear, humid air is avoided contact with, it is not easy to couple corrosion occurs,
It ensure that stabilization, reliable, not perishable, the long service life of conducting wire connection.
2, line ear main body is copper structure, with electric conductivity more better than traditional aluminum line ear and is had biggish mechanical strong
Degree and metal toughness, it is not easy to be broken.
The same or similar label correspond to the same or similar components；
The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent；
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For example, the example of parameters table in embodiment is only to illustrate, other parameters are still
Belong to the protection scope of this patent, and not only using embodiment as the limitation of this patent.Secondly, passing through screw hole in embodiment
Mode is attached with copper metal conductor, and above-mentioned connection type is only to illustrate, and other connection types still fall within this specially
The protection scope of benefit such as welds, the connection types such as buckle, and not only using the connection type of embodiment as the limit of this patent
System.
For those of ordinary skill in the art, other not similar shapes can also be made on the basis of the above description
The variation or variation of formula.There is no necessity and possibility to exhaust all the enbodiments.It is all in the spirit and principles in the present invention
Within made any modifications, equivalent replacements, and improvements etc., should all be included in the scope of protection of the claims of the present invention.
Claims (5)
1. the top of a kind of copper aluminum steel ear of anti-couple-corrosion, including line ear main body, the line ear main body is provided with cavity, institute
The cavity stated is for connecting the cable after peeling, and the end of the line ear main body is for connecting other cables；It is characterized in that,
The material of the line ear main body is copper metal, and the copper aluminum steel ear further includes aluminum metal layer, the aluminum metal layer setting
The inside of the cavity on the top of online ear main body, the aluminum metal layer are fixedly connected with line ear main body.
2. copper aluminum steel ear according to claim 1, which is characterized in that online ear main body is completely covered in the aluminum metal layer
Top cavity inside.
3. copper aluminum steel ear according to claim 1, which is characterized in that the line ear main body provided with aluminum metal layer
The internal diameter of the cavity on top is greater than the diameter of the cable after peeling.
4. copper aluminum steel ear according to claim 1, which is characterized in that the aluminum metal layer is by way of fusing fusion
With the inside of the cavity on the top for covering online ear main body.
5. based on a kind of wire bonding method of copper aluminum steel ear described in any claim in Claims 1 to 4, feature exists
In, comprising the following steps:
Coat of paint is taken out in the end of copper metal conducting wire and aluminum metal conducting wire, and copper metal core, aluminium are exposed in the end of copper metal conducting wire
Expose aluminum metal core in the end of plain conductor；
Aluminum metal core is inserted into the cavity on the top of line ear main body；
By way of pressurization, so that the aluminum metal layer in the cavity on the top of line ear main body is bonded completely with aluminum metal core；
The end of line ear main body is connected to copper metal core, completes the connection of two kinds of electric conductors of copper and aluminium.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019107456501 | 2019-08-13 | ||
| CN201910745650 | 2019-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110416759A true CN110416759A (en) | 2019-11-05 |
Family
ID=68369767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910810709.0A Pending CN110416759A (en) | 2019-08-13 | 2019-08-29 | A kind of the copper aluminum steel ear and wire bonding method of anti-couple-corrosion |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110416759A (en) |
| WO (1) | WO2021027044A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478065A (en) * | 2020-04-29 | 2020-07-31 | 深圳市沃尔核材股份有限公司 | Copper-aluminum transition wiring assembly and copper-aluminum transition connection method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025039A (en) * | 2010-11-16 | 2011-04-20 | 加铝（天津）铝合金产品有限公司 | Copper and aluminium transition binding post |
| CN102969641A (en) * | 2012-11-26 | 2013-03-13 | 大连通发新材料开发有限公司 | Connecting method for cable joint of electric copper-clad aluminum conductor welding machine |
| CN104157996A (en) * | 2014-08-13 | 2014-11-19 | 国家电网公司 | Copper-aluminum crimping terminal of embedded liner tube |
| CN206947570U (en) * | 2017-07-18 | 2018-01-30 | 广东电网有限责任公司佛山供电局 | A kind of transition copper cash ear-pole connection structure |
| CN206962034U (en) * | 2017-06-05 | 2018-02-02 | 吉林省中赢高科技有限公司 | A kind of joint of copper tip and aluminum conductor |
| CN207069073U (en) * | 2017-06-30 | 2018-03-02 | 长园电力技术有限公司 | A kind of aluminium cable connecting tube |
| CN210111076U (en) * | 2019-08-13 | 2020-02-21 | 广东电网有限责任公司 | Copper-aluminum lug capable of preventing electrochemical corrosion |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123866B (en) * | 2017-06-05 | 2019-03-26 | 吉林省中赢高科技有限公司 | A kind of connector and its plasma welding method of copper tip and aluminum conductor |
| CN208284647U (en) * | 2018-06-26 | 2018-12-25 | 山东欣意铝合金电缆有限公司 | A kind of anti-fracture copper-aluminum transition terminal |
-
2019
- 2019-08-29 CN CN201910810709.0A patent/CN110416759A/en active Pending
- 2019-10-10 WO PCT/CN2019/110345 patent/WO2021027044A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025039A (en) * | 2010-11-16 | 2011-04-20 | 加铝（天津）铝合金产品有限公司 | Copper and aluminium transition binding post |
| CN102969641A (en) * | 2012-11-26 | 2013-03-13 | 大连通发新材料开发有限公司 | Connecting method for cable joint of electric copper-clad aluminum conductor welding machine |
| CN104157996A (en) * | 2014-08-13 | 2014-11-19 | 国家电网公司 | Copper-aluminum crimping terminal of embedded liner tube |
| CN206962034U (en) * | 2017-06-05 | 2018-02-02 | 吉林省中赢高科技有限公司 | A kind of joint of copper tip and aluminum conductor |
| CN207069073U (en) * | 2017-06-30 | 2018-03-02 | 长园电力技术有限公司 | A kind of aluminium cable connecting tube |
| CN206947570U (en) * | 2017-07-18 | 2018-01-30 | 广东电网有限责任公司佛山供电局 | A kind of transition copper cash ear-pole connection structure |
| CN210111076U (en) * | 2019-08-13 | 2020-02-21 | 广东电网有限责任公司 | Copper-aluminum lug capable of preventing electrochemical corrosion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478065A (en) * | 2020-04-29 | 2020-07-31 | 深圳市沃尔核材股份有限公司 | Copper-aluminum transition wiring assembly and copper-aluminum transition connection method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021027044A1 (en) | 2021-02-18 |
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