CN109742640A - A kind of connection method of cable and connecting terminal - Google Patents
A kind of connection method of cable and connecting terminal Download PDFInfo
- Publication number
- CN109742640A CN109742640A CN201910002451.1A CN201910002451A CN109742640A CN 109742640 A CN109742640 A CN 109742640A CN 201910002451 A CN201910002451 A CN 201910002451A CN 109742640 A CN109742640 A CN 109742640A
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- cable
- connecting terminal
- cable core
- copper pipe
- scolding tin
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- Processing Of Terminals (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention discloses the connection methods of a kind of cable and connecting terminal, belong to technical field of cable connection.This method comprises: the insulating layer of cable and oversheath are peelled off, the cable core of setting length is exposed；It is taken out after cable core is impregnated in tin soldering liquid；Shaping is carried out to cable core after scolding tin is cooling；It will be put into rodlike scolding tin in the copper pipe of connecting terminal, and rodlike scolding tin is heated and is melted；Cable core after shaping is put into the copper pipe of connecting terminal, continuation is put into scolding tin in the copper pipe of connecting terminal and heats fusing, until tin soldering liquid is full of the junction of cable core and connecting terminal copper pipe, then stops heating；After cable core and connecting terminal are cooling, insulated to cable and connecting terminal, protective treatment.Cable in such a way that soldering is connect, will not make connecting terminal brass tube fracture, and scolding tin is filled in connecting terminal copper pipe with connecting terminal, and cable contacts with connecting terminal and closely improves the reliability that cable is connect with connecting terminal.
Description
Technical field
The present invention relates to technical field of cable connection, in particular to the connection method of a kind of cable and connecting terminal.
Background technique
Cable is connect by connecting terminal with equipment.The connection of cable and connecting terminal generallys use the side of crimping at present
Formula, i.e., after the core of cable one end being put into the copper pipe of connecting terminal, using hydraulic tongs along copper on the copper pipe of connecting terminal
Two positions of axial compression connection (being compressed copper pipe and cable core using hydraulic tongs) of pipe, are crimped to are unable to boil down to every time
Only, it keeps shedding pressure again in 10 seconds, cable socket is made to be connected firmly with connecting terminal.
But when cable core outer diameter is larger, the connecting terminal for needing that copper pipe is selected to be relatively large in diameter, at this point, using crimping
Mode be easy to make brass tube fracture.And when gap between cable and copper pipe is larger after copper pipe is inserted into one end of cable, use
The reliability connected between cable socket and connecting terminal when above-mentioned crimping mode is lower, may result in cable socket from wiring
It falls off in terminal.
Summary of the invention
The embodiment of the invention provides the connection methods of a kind of cable and connecting terminal, and cable and connecting terminal can be improved
Between the reliability that connects.The technical solution is as follows:
The present invention provides the connection method of a kind of cable and connecting terminal, the connection method includes:
The insulating layer of cable and oversheath are peelled off, the cable core of setting length is exposed；
It is taken out after the cable core is impregnated in tin soldering liquid；
Shaping is carried out to the cable core after scolding tin is cooling；
It will be put into rodlike scolding tin in the copper pipe of connecting terminal, and rodlike scolding tin is heated and is melted；
The cable core after shaping is put into the copper pipe of the connecting terminal, the copper in the connecting terminal is continued
It is put into scolding tin in pipe and heats fusing, until tin soldering liquid is full of the junction of the cable core and the connecting terminal copper pipe,
Then stop heating；
After the cable core and the connecting terminal are cooling, insulated to the cable and the connecting terminal,
Protective treatment.
Further, described to peel off the insulating layer of cable and oversheath, expose the cable core of setting length, packet
It includes:
Measure the copper pipe depth h of the connecting terminal；
From the first end of the cable, the insulating layer of the cable is peelled off into length L1, L1 >=h+20mm；
From the first end of the cable, the oversheath of the cable is peelled off into length L2, L2 >=L1+20mm.
Further, it is described the cable core is impregnated in tin soldering liquid after take out, comprising:
Appropriate rodlike scolding tin is put into solder furnace；
Rodlike scolding tin in solder furnace is heated into fusing；
Cable core is immersed in solder furnace rapidly, until non smoke is emerged in the solder furnace；
The cable core is taken out.
Further, the rodlike scolding tin in solder furnace is heated by fusing using Intermediate Frequency Induction Heating Equipment.
It is further, described that shaping is carried out to the cable core after scolding tin is cooling, comprising:
Using hand hammer by cable core shaping, the shape of the cable core after making shaping and the copper of the connecting terminal
The shape of pipe matches, and the diameter of the cable core after shaping is less than the diameter of the copper pipe of the connecting terminal；
It is using grinding tool that the first end mill equating of the cable core is whole.
Further, before being put into scolding tin in the copper pipe of connecting terminal, the method also includes:
Folded one layer of the packet of connecting terminal 1/3 is protected using glass tape；
The connecting terminal is fixed on special fixture.
Further, described insulated to the cable and connecting terminal, protective treatment, comprising:
The gap between the connecting terminal and the insulating layer of the cable is filled with high-voltage isulation self-adhesive tape.
Further, described insulated to the cable and connecting terminal, protective treatment, comprising:
Stress tube is arranged outside the connecting terminal and the cable core, the stress tube is located at the outer shield of the cable
Between set and the connecting terminal；
Pyrocondensation processing is carried out to the stress tube；
The gap between the oversheath of the stress tube and the cable after pyrocondensation is filled using high-voltage isulation self-adhesive tape.
Further, described insulated to the cable and connecting terminal, protective treatment, comprising:
The stress tube, the cable oversheath and the connecting terminal outside be arranged heat-shrink tube；
Pyrocondensation processing is carried out to the heat-shrink tube.
Further, the connection method further include:
Before impregnating the cable core in tin soldering liquid, at least one circle copper wire is wound on the cable core；
It, will at least one circle copper wire disassembly after carrying out shaping to the cable core.
Technical solution provided in an embodiment of the present invention has the benefit that
In embodiments of the present invention, first the insulating layer of cable and oversheath are peelled off, exposes the cable of setting length
Core takes out after then impregnating cable core in tin soldering liquid, carries out shaping to cable core after scolding tin is cooling.By to electricity
Cable core carries out warding off tin, shaping operation, after can cable core being put into the copper pipe of connecting terminal, cable core and wiring
There is certain gap between the copper pipe of terminal.Further, rodlike scolding tin will be put into the copper pipe of connecting terminal, and by rodlike weldering
Tin heating fusing, the cable core after shaping is put into the copper pipe of connecting terminal, continuation is put into the copper pipe of connecting terminal
Scolding tin simultaneously heats fusing, until tin soldering liquid is full of the junction of cable core and connecting terminal copper pipe, then stops heating.At this time
It is filled with scolding tin between cable core and the copper pipe of connecting terminal, the connection of cable core and connecting terminal can be made tighter
It is close, improve the reliability connected between cable and connecting terminal.Finally after cable core and connecting terminal are cooling, to cable
It is insulated with connecting terminal, protective treatment, to complete the connection between cable and connecting terminal.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of method flow diagram of the connection method of cable and connecting terminal provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of connecting terminal provided in an embodiment of the present invention；
Fig. 3 is the partial structure diagram of cable after having executed S101；
Fig. 4 is the partial structure diagram of cable and connecting terminal after having executed S105；
Fig. 5 is the method flow diagram of S106；
Fig. 6 is the partial structure diagram of cable and connecting terminal after having executed S1061；
Fig. 7 is the partial structure diagram of cable and connecting terminal after having executed S1063；
Fig. 8 is the partial structure diagram of cable and connecting terminal after having executed S1066.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The present invention provides a kind of connection method of cable connecting terminal, Fig. 1 is a kind of electricity provided in an embodiment of the present invention
The method flow diagram of the connection method of cable and connecting terminal, as shown in Figure 1, the connection method includes:
S101: the insulating layer of cable and oversheath are peelled off, and expose the cable core of setting length.
Specifically, S101 may include:
The insulating layer of cable is peelled off length L1, L1 from the first end of cable by the copper pipe depth h of measurement connecting terminal
≥h+20mm.From the first end of cable, the oversheath of cable is peelled off into length L2, L2 >=L1+20mm.
If the length that the insulating layer or oversheath of cable are peelled off is too long, the length that will lead to the cable core exposed is spent
It is long, it is more inconvenient so as to cause subsequent encapsulation.If the length that the insulating layer or oversheath of cable are peelled off is too short, electricity not can guarantee
Cable protrudes into the length in the copper pipe of connecting terminal, so that the reliability that cable is connect with connecting terminal reduces.
Fig. 2 is a kind of structural schematic diagram of connecting terminal provided in an embodiment of the present invention, as shown in Fig. 2, can measure
The depth of the copper pipe 1a of connecting terminal 1 is h at this time.
Fig. 3 is the partial structure diagram of cable after having executed S101, as shown in figure 3, at this point, obtaining exposed cable
Core 23.The oversheath 22 of cable 2 is stripped length L2, L2=L1+20mm.
Further, after having executed S101, before executing step S102, which can also include:
At least one circle copper wire is wound, on cable core to prevent cable core from expanding.
S102: it is taken out after cable core is impregnated in tin soldering liquid.
Specifically, S102 may include:
It is put into rodlike scolding tin in solder furnace, the rodlike scolding tin in solder furnace is heated into fusing, cable core is soaked rapidly
Enter in solder furnace, until non smoke is emerged in solder furnace, cable core is taken out.
Wherein it is possible to which the rodlike scolding tin in solder furnace is heated fusing using Intermediate Frequency Induction Heating Equipment.For example, can adopt
QS-15 Medium frequency induction welding equipment is contained with neat.
In this embodiment, can control the depth in solder furnace after melts soldering tin is 20mm or so, the immersion of cable core
Depth is slightly less than in solder furnace the depth after melts soldering tin.
Further, S102 can also include:
Before immersing cable core in solder furnace rapidly, one layer of paste weldering is uniformly first smeared on cable core surface
Tin, after preventing cable core from immersing in solder furnace, the scolding tin in solder furnace is sputtered.
S103: shaping is carried out to cable core after scolding tin is cooling.
Specifically, S103 may include:
Using hand hammer by cable core shaping, the diameter and shape of the cable core after making shaping and the copper pipe of connecting terminal
Diameter and shape match.After cable core is put into the copper pipe of connecting terminal at this time, the copper of cable core and connecting terminal
There is certain gap between pipe.Then using grinding tool that the first end mill equating of cable core is whole.
Further, after executing S103, which can also include:
At least one circle copper wire disassembly is wound on cable core.
Further, before executing S104, which can also include:
Folded one layer of the packet of connecting terminal 1/3 is protected using glass tape, to prevent from putting in the copper pipe by connecting terminal
After entering scolding tin and melting scolding tin heating, the scolding tin in copper pipe overflows copper pipe.
Connecting terminal is fixed on special fixture, to keep the stability of subsequent step middle connecting terminal.
S104: it will be put into rodlike scolding tin in the copper pipe of connecting terminal, and rodlike scolding tin is heated and is melted.
Specifically, the rodlike scolding tin in connecting terminal copper pipe can be heated by fusing using Intermediate Frequency Induction Heating Equipment.
S105: the cable core after shaping is put into the copper pipe of connecting terminal, and continuation is put in the copper pipe of connecting terminal
Enter scolding tin and heat fusing, until tin soldering liquid is full of the junction of cable core and connecting terminal copper pipe, then stops heating.
Fig. 4 is the partial structure diagram of cable and connecting terminal after having executed S105, as shown in figure 4, cable 2 at this time
Scolding tin 3 is filled between cable core 23 and the copper pipe 1a of connecting terminal 1.
After S105 has been executed, connecting terminal can be removed from special fixture, to continue following step.
S106: it after cable core and connecting terminal are cooling, is insulated to cable and connecting terminal, protective treatment.
Fig. 5 is the method flow diagram of S106, as shown in figure 5, S106 may include:
S1061: the gap between connecting terminal and the insulating layer of cable is filled with high-voltage isulation self-adhesive tape.
Fig. 6 is the partial structure diagram of cable and connecting terminal after having executed S1061, as shown in fig. 6, high pressure is exhausted at this time
Originate from adhesive tape 4 and takes the copper pipe 1a of connecting terminal 1 and each 15mm of insulating layer 21 of cable 2.
S1062: stress tube is arranged outside connecting terminal and cable core.
S1063: pyrocondensation processing is carried out to stress tube.
Specifically, solenoid can be corresponded to using electric heating air pressure gun carry out pyrocondensation processing.
Fig. 7 is the partial structure diagram of cable and connecting terminal after having executed S1063, as shown in fig. 7, stress tube at this time
5 are located between the oversheath 22 of cable 2 and the copper pipe 1a of connecting terminal 1, and high-voltage isulation self-adhesive tape 4 has 10mm not by stress tube
5 coverings.
S1064: the gap between the oversheath of the stress tube and cable after pyrocondensation is filled using high-voltage isulation self-adhesive tape.
S1065: stress tube, cable oversheath and connecting terminal outside be arranged heat-shrink tube.
S1066: pyrocondensation processing is carried out to heat-shrink tube.
Fig. 8 is the partial structure diagram of cable and connecting terminal after having executed S1066, as shown in figure 8, heat-shrink tube at this time
6 are set in outside the copper pipe 1a of stress tube 5, the oversheath 22 of cable 2 and connecting terminal 1, and the oversheath 22 of cable has 60mm quilt
Thermal shrinkable sleeve 6 covers.
Specifically, pyrocondensation processing can be carried out to heat-shrink tube using electric heating air pressure gun.When heating, the flame of electric heating air pressure gun is controlled
Towards the junction of cable and connecting terminal, and control the flame of electric heating air pressure gun to the distance between heat-shrink tube be maintained at 40~
50mm.Then along the axial constantly moving electric heating air pressure gun of cable, to guarantee heat-shrink tube thermally equivalent.
In embodiments of the present invention, first the insulating layer of cable and oversheath are peelled off, exposes the cable of setting length
Core takes out after then impregnating cable core in tin soldering liquid, carries out shaping to cable core after scolding tin is cooling.By to electricity
Cable core carries out warding off tin, shaping operation, after can cable core being put into the copper pipe of connecting terminal, cable core and wiring
There is certain gap between the copper pipe of terminal.Further, it will be put into scolding tin in the copper pipe of connecting terminal, and scolding tin is heated and is melted
Change, the cable core after shaping is put into the copper pipe of connecting terminal, continuation is put into scolding tin and is added in the copper pipe of connecting terminal
Then heat fusing stops heating until tin soldering liquid is full of the junction of cable core and connecting terminal copper pipe.Cable core at this time
It is filled with scolding tin between the copper pipe of connecting terminal, the connection of cable core and connecting terminal can be made closer, improved
The reliability connected between cable and connecting terminal.Finally after cable core and connecting terminal are cooling, to cable and terminals
Son insulated, protective treatment, to complete the connection between cable and connecting terminal.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. the connection method of a kind of cable and connecting terminal, which is characterized in that the connection method includes:
The insulating layer of cable and oversheath are peelled off, the cable core of setting length is exposed；
It is taken out after the cable core is impregnated in tin soldering liquid；
Shaping is carried out to the cable core after scolding tin is cooling；
It will be put into rodlike scolding tin in the copper pipe of connecting terminal, and rodlike scolding tin is heated and is melted；
The cable core after shaping is put into the copper pipe of the connecting terminal, is continued in the copper pipe of the connecting terminal
It is put into scolding tin and heats fusing, until the junction of copper pipe of the tin soldering liquid full of the cable core and the connecting terminal, so
Stop heating afterwards；
After the cable core and the connecting terminal are cooling, are insulated, protected with the connecting terminal to the cable
Processing.
2. exposed the method according to claim 1, wherein described peel off the insulating layer of cable and oversheath
The cable core of length is set out, comprising:
Measure the copper pipe depth h of the connecting terminal；
From the first end of the cable, the insulating layer of the cable is peelled off into length L1, L1 >=h+20mm；
From the first end of the cable, the oversheath of the cable is peelled off into length L2, L2 >=L1+20mm.
3. the method according to claim 1, wherein it is described the cable core is impregnated in tin soldering liquid after take
Out, comprising:
Rodlike scolding tin is put into solder furnace；
Rodlike scolding tin in solder furnace is heated into fusing；
The cable core is immersed in solder furnace rapidly, until non smoke is emerged in the solder furnace；
The cable core is taken out.
4. the method according to claim 1, wherein will be rodlike in solder furnace using Intermediate Frequency Induction Heating Equipment
Scolding tin heating fusing.
5. the method according to claim 1, wherein described whole to cable core progress after scolding tin is cooling
Shape, comprising:
Using hand hammer by cable core shaping, shape and diameter and the connecting terminal of the cable core after making shaping
The shape and diameter of copper pipe match；
It is using grinding tool that the first end mill equating of the cable core is whole.
6. described the method according to claim 1, wherein before being put into scolding tin in the copper pipe of connecting terminal
Method further include:
Folded one layer of the packet of connecting terminal 1/3 is protected using glass tape；
The connecting terminal is fixed on special fixture.
7. the method according to claim 1, wherein described insulate to the cable with connecting terminal, prevented
Shield processing, comprising:
The gap between the connecting terminal and the insulating layer of the cable is filled with high-voltage isulation self-adhesive tape.
8. the method according to the description of claim 7 is characterized in that described insulate to the cable with connecting terminal, prevented
Shield processing, comprising:
Be arranged stress tube outside the connecting terminal and the cable core, the stress tube be located at the oversheath of the cable with
Between the connecting terminal；
Pyrocondensation processing is carried out to the stress tube；
The gap between the oversheath of the stress tube and the cable after pyrocondensation is filled using high-voltage isulation self-adhesive tape.
9. according to the method described in claim 8, it is characterized in that, described insulate to the cable with connecting terminal, prevented
Shield processing, comprising:
The stress tube, the cable oversheath and the connecting terminal outside be arranged heat-shrink tube；
Pyrocondensation processing is carried out to the heat-shrink tube.
10. described in any item methods according to claim 1~9, which is characterized in that the connection method further include:
Before impregnating the cable core in tin soldering liquid, at least one circle copper wire is wound on the cable core；
It, will at least one circle copper wire disassembly after carrying out shaping to the cable core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002451.1A CN109742640B (en) | 2019-01-02 | 2019-01-02 | Method for connecting cable and wiring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002451.1A CN109742640B (en) | 2019-01-02 | 2019-01-02 | Method for connecting cable and wiring terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109742640A true CN109742640A (en) | 2019-05-10 |
| CN109742640B CN109742640B (en) | 2020-10-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910002451.1A Active CN109742640B (en) | 2019-01-02 | 2019-01-02 | Method for connecting cable and wiring terminal |
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| CN (1) | CN109742640B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247286A (en) * | 2019-05-17 | 2019-09-17 | 陕西飞机工业（集团）有限公司 | A kind of method and device of large-section lead tining |
| CN110548946A (en) * | 2019-08-20 | 2019-12-10 | 南京钢铁股份有限公司 | cable compression joint tin-stamping process |
| CN111633289A (en) * | 2020-04-23 | 2020-09-08 | 陕西斯瑞新材料股份有限公司 | End welding treatment method for round copper stranded wire of electric locomotive transformer |
| CN113036573A (en) * | 2021-02-25 | 2021-06-25 | 福建富鑫达电子有限公司 | Method and device for crimping wire connector |
| CN113178763A (en) * | 2021-04-21 | 2021-07-27 | 攀钢集团工程技术有限公司 | Method for sleeving flexible cable and wire nose |
| CN113488286A (en) * | 2021-06-17 | 2021-10-08 | 重庆市南方阻燃电线电缆有限公司 | Wire repairing method and wire repairing structure of mineral magnesium oxide insulated copper sheathed cable |
| CN114566853A (en) * | 2022-03-30 | 2022-05-31 | 梁毅 | Method for manufacturing waterproof and moistureproof primary cable connector of airfield aid light |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110247286A (en) * | 2019-05-17 | 2019-09-17 | 陕西飞机工业（集团）有限公司 | A kind of method and device of large-section lead tining |
| CN110548946A (en) * | 2019-08-20 | 2019-12-10 | 南京钢铁股份有限公司 | cable compression joint tin-stamping process |
| CN111633289A (en) * | 2020-04-23 | 2020-09-08 | 陕西斯瑞新材料股份有限公司 | End welding treatment method for round copper stranded wire of electric locomotive transformer |
| CN113036573A (en) * | 2021-02-25 | 2021-06-25 | 福建富鑫达电子有限公司 | Method and device for crimping wire connector |
| CN113036573B (en) * | 2021-02-25 | 2023-04-18 | 福建富鑫达电子有限公司 | Method and device for crimping wire connector |
| CN113178763A (en) * | 2021-04-21 | 2021-07-27 | 攀钢集团工程技术有限公司 | Method for sleeving flexible cable and wire nose |
| CN113488286A (en) * | 2021-06-17 | 2021-10-08 | 重庆市南方阻燃电线电缆有限公司 | Wire repairing method and wire repairing structure of mineral magnesium oxide insulated copper sheathed cable |
| CN113488286B (en) * | 2021-06-17 | 2022-09-30 | 重庆市南方阻燃电线电缆有限公司 | Wire repairing method and wire repairing structure of mineral magnesium oxide insulated copper sheathed cable |
| CN114566853A (en) * | 2022-03-30 | 2022-05-31 | 梁毅 | Method for manufacturing waterproof and moistureproof primary cable connector of airfield aid light |
| CN114566853B (en) * | 2022-03-30 | 2024-03-29 | 梁毅 | Manufacturing method of waterproof and moistureproof airport navigation light primary cable joint |
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|---|---|
| CN109742640B (en) | 2020-10-09 |
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