CN109687173A - A kind of copper aluminum conductor connection structure - Google Patents
A kind of copper aluminum conductor connection structure Download PDFInfo
- Publication number
- CN109687173A CN109687173A CN201910110618.6A CN201910110618A CN109687173A CN 109687173 A CN109687173 A CN 109687173A CN 201910110618 A CN201910110618 A CN 201910110618A CN 109687173 A CN109687173 A CN 109687173A
- Authority
- CN
- China
- Prior art keywords
- copper
- connector
- conductor
- pipe fitting
- connection structure
- 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.)
- Pending
Links
- 239000004020 conductor Substances 0.000 title claims abstract description 90
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title claims abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910052802 copper Inorganic materials 0.000 claims abstract description 69
- 239000010949 copper Substances 0.000 claims abstract description 69
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 abstract description 14
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010931 gold Substances 0.000 abstract description 2
- 229910052737 gold Inorganic materials 0.000 abstract description 2
- 238000003487 electrochemical reaction Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- H01R4/28—Clamped connections, spring 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
- 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
- H01R4/60—Connections between or with tubular 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
- 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
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The present invention relates to conducting wire connection gold utensil field of structural design, and in particular to a kind of copper aluminum conductor connection structure.This kind of copper aluminum conductor connection structure, including c-type wire clamp, the first connector and the second connector；One grips the first connector in two conductor trench of c-type wire clamp, another grips aluminum conductor；First connector is aluminum alloy material, and the second connector is copper material；Second connector includes pipe fitting and end socket, and the end socket blocks one end of pipe fitting, and pipe fitting and end socket are integrally formed；One end face of first connector and an end face of end socket are welded to connect, and copper conductor is snapped from the other end of pipe fitting in the inner cavity of pipe fitting, and is closely abutted with the other end of end socket, so that copper conductor is connected with the first connector.The present invention solves the problem of when connecting copper aluminum conductor with aluminium connection terminal using bolt, copper conductor terminal in copper aluminum conductor connection structure, the tie point between bolt, copper conductor terminal and aluminium connection terminal easily breaks down.
Description
Technical field
The present invention relates to conducting wire connection gold utensil field of structural design, and in particular to a kind of copper aluminum conductor connection structure.
Background technique
In the power equipment and route of power supply system, C-shaped wire clamp is often used to realize the connection of conducting wire, for example, power transformation
Stand or switching station in high-tension switch cabinet outlet cable to outdoor high-voltage overhead transmission line and connect；Low pressure 0.4KV overhead transmission line is extremely used
" T " of family 0.4KV cable run connects.Overhead transmission line mostly uses insulated aerial aluminum conductor to power at present, and user is mostly used cable (copper
Conducting wire) power supply, it generally will use C-shaped wire clamp when realizing the connection of overhead transmission line and service cable, conventional c-type wire clamp uses
Aluminum alloy material is made, and when connecting aluminum conductor and copper conductor using c-type wire clamp, in a humidity environment, moisture penetrates into copper aluminium and connects
In contacting surface gap, electrolyte is formed, copper is different from the chemical activity of aluminium, and there is certain potential difference between each other, is being electrolysed
Under the action of liquid, primary battery is formed, makes two kinds of metals of copper aluminium that electrochemical reaction occur, so that C-shaped is made in aluminum conductor or aluminium alloy
Electrochemical corrosion occurs for wire clamp, so easily causing safe thing when power device or route longtime running, overload or short circuit
Therefore.
In order to solve this problem, in the prior art, referring to attached drawing 1, generally use one section of aluminum conductor as copper conductor
Drainage thread 1 first assembles an aluminium connection terminal 2 in the end of drainage thread 1, assembles a copper connecting pin in the end of copper conductor 8 '
Son 3, two connection terminals are connected using bolt 4, aluminum conductor 5 and drainage thread 1 are finally separately fixed at c-type wire clamp again
6.Although this method solves the problems, such as that electrochemical reaction easily occurs for copper aluminum contact surface to a certain extent, due to drainage
Line and copper conductor are not directly connected to, using the mode for using bolt to connect two connection terminals, bolt and copper
Connection terminal, aluminium connection terminal and copper, aluminium connection terminal and the junction of copper, aluminum conductor are respectively present the contact that is electrically connected,
I.e. circuit communication when, electric current can by copper conductor and copper connection terminal, copper connection terminal and bolt, bolt and aluminium connection terminal,
The tie point of aluminium connection terminal and drainage thread.During the actual operation of power supply system, occur drainage thread broken string, drainage thread and
Power supply trouble ratio caused by the reasons such as tie point poor contact, fever between copper conductor is very high, has seriously affected power supply
Reliability.
Summary of the invention
The invention discloses a kind of copper aluminum conductor connection structure, to solve in copper aluminum conductor connection structure using bolt,
Tie point when copper conductor terminal connects copper aluminum conductor with aluminium connection terminal, between bolt, copper conductor terminal and aluminium connection terminal
The problem of easily breaking down.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of copper aluminum conductor connection structure, including c-type wire clamp, the first connector and the second connector；The c-type wire clamp
One grips the first connector in two conductor trench, another grips aluminum conductor；First connector is aluminium
Alloy material, second connector are copper material；Second connector includes pipe fitting and end socket, and the end socket blocks pipe fitting
One end, pipe fitting and end socket are integrally formed；One end face of first connector and an end face of end socket are welded to connect, copper conductor
It snaps from the other end of pipe fitting in the inner cavity of pipe fitting, and is closely abutted with the other end of end socket, so that copper conductor and first connects
Junctor conducting.
Further, the end of first connector and the brazed technique of the contact surface of end socket are welded.
Further, first connector is club shaped structure, the diameter of first connector and the diameter of copper conductor
It is equal.
Further, the wall thickness of the pipe fitting is 2mm.
Further, the intracavity diameter of the pipe fitting is 2mm bigger than the diameter of copper conductor.
Further, the junction of the pipe fitting and copper conductor is wound with insulating tape, to form waterproof portion.
Further, the end socket with a thickness of 5mm.
Further, the length of first connector is 130~140mm.
Further, the sectional area of the copper conductor is less than 120mm2When, the length of the pipe fitting is at least 50mm；It is described
The sectional area of copper conductor is more than or equal to 120mm2When, the length of the pipe fitting is at least 70mm.
Further, the sectional area of the copper conductor is less than 120mm2When, the model JC-1 lead-type of the c-type wire clamp
Wire clamp；The sectional area of the copper conductor is more than or equal to 120mm2When, the model JC-2 conducting wire shaped cable clamp of the c-type wire clamp.
Compared with prior art, the invention has the benefit that
Copper aluminum conductor connection structure of the invention, the first connector and aluminum conductor be clamped to C-shaped wire clamp two lead
In line trenches, wherein an end face of the first connector and an end face of end socket weld together, copper conductor is embedding from the pipe fitting other end
It is pressed in the inner cavity of pipe fitting, and is closely abutted with the other end of end socket, to realize the conducting of copper conductor and the first connector；Phase
Than not needed in traditional connection structure, connection structure of the invention using bolt, copper connection terminal and aluminium connection terminal, copper
Conducting wire is connected by the second connector with the first connector after snapping the inner cavity of inlet pipe part, therefore is reduced in entire link circuit
The quantity for the tie point that electric current passes through improves the reliability of power supply to reduce failure odds.In addition, due to
This kind of connection structure very simple, either new installation are still transformed previous copper aluminum conductor connection structure all very square
Just, it is only necessary to remove original drainage thread, connection terminal and bolt, copper conductor is snapped to one end and the compacting of inlet pipe part, then
First connector is clamped in the diversion channel slot of original C-shaped wire clamp.
Detailed description of the invention
Fig. 1 is copper aluminum conductor attachment structure schematic diagram in the prior art；
Fig. 2 is copper aluminum conductor attachment structure schematic diagram of the invention；
Fig. 3 is the structural schematic diagram of the first connector and the second connector；
Specific embodiment
The present invention is done with attached drawing combined with specific embodiments below and is further illustrated.
Referring to attached drawing 2 and attached drawing 3, a kind of copper aluminum conductor connection structure, including c-type wire clamp 6', the first connector 7 and second
Connector 8；Wherein, in two conductor trench of c-type wire clamp 6' one grip the first connector 7, another is gripped
Aluminum conductor 5', the second connector 8 include pipe fitting 801 and end socket 802, and end socket 802 blocks one end of pipe fitting 801, pipe fitting 801 and envelope
First 802 are integrally formed；First connector 7 is aluminum alloy material, and the second connector 8 is copper material, an end face of the first connector 7
Be welded to connect with an end face of end socket 802, copper conductor 9 is snapped from the other end of pipe fitting 801 in the inner cavity of pipe fitting 801, and with envelope
First 802 other end closely abuts, so that copper conductor 9 and the first connector 7 are connected.For the ease of grafting copper conductor, pipe fitting
801 intracavity diameter is 2mm bigger than the diameter of copper conductor 9.Since the second connector 8 is copper material, one side copper material is conductive, can
To ensure the conducting wire stability of the connection structure, the second connector 8 of another aspect copper material will not be sent out when contacting with copper conductor
Raw electrochemical reaction.
It is further used as being preferably carried out mode, the first connector 7 is club shaped structure, the diameter and copper of the first connector 7
The diameter of conducting wire 9 is equal.
It is further used as being preferably carried out mode, in order to ensure the end socket 802 of copper material and the first connector 7 of aluminium material
Contact surface will not occur electrochemical reaction, the end of the first connector 7 and the contact surface of end socket 802 are using soldering processes weldering
It connects, the end of the first connector 7 and the entire contact surface of end socket 802 are all welding surfaces, and bonding area is big, guarantee that contact is reliable
Property, and contact resistance is also smaller, does not influence electric conductivity.After Welding, brazing layer is filled with the end of the first connector 7
Gap between the contact surface of end socket 802, so that between the first connector 7 of aluminum alloy material and the end socket 802 of copper material
It does not contact, electrochemical reaction will not occur, reduce a possibility that safety accident occurs.
It is further used as being preferably carried out mode, in order to guarantee the waterproof performance of copper conductor 9 with the junction of pipe fitting 801,
The junction of pipe fitting 801 and copper conductor 9 is wound with insulating tape (not shown), to form waterproof portion.Insulating tape is by copper conductor 9
The junction of external cable and pipe fitting 801 is closely wound, and prevents junction from intaking, more securely and reliably.
It is further used as being preferably carried out mode, previous copper aluminum conductor 5' connection structure is transformed for convenience,
According to the size of previous common JC-1 conducting wire shaped cable clamp and JC-2 conducting wire shaped cable clamp to the copper aluminum conductor 5' and binding of the application
The size of structure is designed, and the sectional area of copper conductor 9 is less than 120mm2When, the model JC-1 conducting wire shaped cable clamp of c-type wire clamp 6'；
The sectional area of copper conductor 9 is more than or equal to 120mm2When, the model JC-2 conducting wire shaped cable clamp of c-type wire clamp 6'.First connector 7
Length is 130~140mm, and the first connector 7 is used to fix with the conductor trench of C wire clamp；End socket 802 with a thickness of 5mm, pipe
The length of part 801 is determined according to the thickness of copper conductor 9, and to guarantee that copper conductor is not easily to fall off, the sectional area of copper conductor 9 is less than
120mm2When, the length of pipe fitting 801 is at least 50mm；The sectional area of copper conductor 9 is more than or equal to 120mm2When, the length of pipe fitting 801
It is at least 70mm.
The foregoing is merely better embodiments of the invention, and the invention is not limited to above embodiment, are implementing
The structural modification small there may be part in the process, if various changes or modifications of the invention are not departed from essence of the invention
Mind and range, and belong within the scope of claim and equivalent technologies of the invention, then the present invention is also intended to encompass these changes
And modification.
Claims (10)
1. a kind of copper aluminum conductor connection structure, which is characterized in that including c-type wire clamp, the first connector and the second connector；It is described
One grips the first connector in two conductor trench of c-type wire clamp, another grips aluminum conductor；Described first connects
Junctor is aluminum alloy material, and second connector is copper material；Second connector includes pipe fitting and end socket, the end socket
One end of pipe fitting is blocked, pipe fitting and end socket are integrally formed；One end face of first connector and an end face of end socket are welded and are connected
It connects, copper conductor is snapped from the other end of pipe fitting in the inner cavity of pipe fitting, and is closely abutted with the other end of end socket, so that copper conductor
It is connected with the first connector.
2. copper aluminum conductor connection structure according to claim 1, which is characterized in that the end of first connector and envelope
The brazed technique welding of the contact surface of head.
3. copper aluminum conductor connection structure according to claim 1, which is characterized in that first connector is rodlike knot
The diameter of structure, first connector is equal with the diameter of copper conductor.
4. copper aluminum conductor connection structure according to claim 1, which is characterized in that the wall thickness of the pipe fitting is 2mm.
5. copper aluminum conductor connection structure according to any one of claims 1 to 4, which is characterized in that the pipe fitting it is interior
Chamber diameter is 2mm bigger than the diameter of copper conductor.
6. copper aluminum conductor connection structure according to any one of claims 1 to 4, which is characterized in that the pipe fitting and copper
The junction of conducting wire is wound with insulating tape, to form waterproof portion.
7. copper aluminum conductor connection structure according to claim 1, which is characterized in that the end socket with a thickness of 5mm.
8. copper aluminum conductor connection structure according to claim 7, which is characterized in that the length of first connector is
130~140mm.
9. copper aluminum conductor connection structure according to claim 1, which is characterized in that the sectional area of the copper conductor is less than
120mm2When, the length of the pipe fitting is at least 50mm；The sectional area of the copper conductor is more than or equal to 120mm2When, the pipe fitting
Length be at least 70mm.
10. copper aluminum conductor connection structure according to claim 1, which is characterized in that the sectional area of the copper conductor is less than
120mm2When, the model JC-1 conducting wire shaped cable clamp of the c-type wire clamp；The sectional area of the copper conductor is more than or equal to 120mm2When,
The model JC-2 conducting wire shaped cable clamp of the c-type wire clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110618.6A CN109687173A (en) | 2019-02-12 | 2019-02-12 | A kind of copper aluminum conductor connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110618.6A CN109687173A (en) | 2019-02-12 | 2019-02-12 | A kind of copper aluminum conductor connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109687173A true CN109687173A (en) | 2019-04-26 |
Family
ID=66195661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910110618.6A Pending CN109687173A (en) | 2019-02-12 | 2019-02-12 | A kind of copper aluminum conductor connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109687173A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2100036U (en) * | 1991-04-11 | 1992-03-25 | 武汉电缆附件厂 | Wire clip for copper-aluminium combination groove in alloy welding process |
| KR200303373Y1 (en) * | 2002-10-28 | 2003-02-06 | 한국전력공사 | A compression type bimetal divergence sleeve |
| CN103022734A (en) * | 2012-12-25 | 2013-04-03 | 南车株洲电机有限公司 | Copper-aluminum wire lap-joint device and method |
| CN204991995U (en) * | 2015-10-19 | 2016-01-20 | 秉岳电气(上海)有限公司 | Copper -aluminum terminal |
| CN209418777U (en) * | 2019-02-12 | 2019-09-20 | 刘昌银 | A kind of copper aluminum conductor connection structure |
-
2019
- 2019-02-12 CN CN201910110618.6A patent/CN109687173A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2100036U (en) * | 1991-04-11 | 1992-03-25 | 武汉电缆附件厂 | Wire clip for copper-aluminium combination groove in alloy welding process |
| KR200303373Y1 (en) * | 2002-10-28 | 2003-02-06 | 한국전력공사 | A compression type bimetal divergence sleeve |
| CN103022734A (en) * | 2012-12-25 | 2013-04-03 | 南车株洲电机有限公司 | Copper-aluminum wire lap-joint device and method |
| CN204991995U (en) * | 2015-10-19 | 2016-01-20 | 秉岳电气(上海)有限公司 | Copper -aluminum terminal |
| CN209418777U (en) * | 2019-02-12 | 2019-09-20 | 刘昌银 | A kind of copper aluminum conductor connection structure |
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