CN106785493B - A kind of connection method for microfine diameter electrode pin line and stranded conductor - Google Patents
A kind of connection method for microfine diameter electrode pin line and stranded conductor Download PDFInfo
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- CN106785493B CN106785493B CN201611001963.9A CN201611001963A CN106785493B CN 106785493 B CN106785493 B CN 106785493B CN 201611001963 A CN201611001963 A CN 201611001963A CN 106785493 B CN106785493 B CN 106785493B
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- electrode
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- electrode pin
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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
- 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
- H01R4/02—Soldered or welded connections
- H01R4/023—Soldered or welded connections between cables or wires and terminals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/02—Pressure butt welding
-
- 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
- H01R4/02—Soldered or welded connections
- H01R4/029—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
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The present invention provides a kind of connection methods for microfine diameter electrode pin line and stranded conductor, the connection method includes being placed on stranded conductor in recess electrode head, microfine diameter electrode pin line is placed on the upper surface of described stranded conductor, adjust electrode pressing head position, the weldering pressure parameter of precision resistance welder, microfine diameter electrode pin line and the stranded conductor described in pressing and fixiform are set；The welding parameter of precision resistance welder is set, weld the microfine diameter electrode pin line and stranded conductor of the pressing and fixiform, wherein top electrode of the electrode pressing head as the precision resistance welder, lower electrode of the recess electrode head as the precision resistance welder；The electrode pressing head width is less than the recess width of the recess electrode head, and fall head is greater than the depth of groove.Technical solution provided by the invention can also realize being reliably connected for electrode pin and stranded conductor while realizing that stranded conductor forms sub-thread, setting simultaneously.
Description
Technical field
The present invention relates to the technical fields of small size weld, are used for microfine diameter electrode pin more particularly to one kind
The connection method of line and stranded conductor.
Background technique
The sensing components such as platinum electrode are the important parts in avionics system, and often manufacture uses.In manufacture platinum electricity
Extremely etc. during sensing components, it is often necessary to which microfine diameter electrode pin line is attached with conducting wire, but microfine diameter is electric
The diameter of pole lead-foot-line is generally several hundred microns of filament, and the diameter of general conducting wire is the other multi cord of grade, and conducting wire and
Microfine diameter electrode pin line is usually dissimilar material, and diameter difference is larger.Therefore, microfine diameter electrode pin line with lead
During line is attached, it is necessary to be attached using accurate equipment, otherwise easily occur connecting unreliable situation.
Currently, in the prior art, the welding of small sizes connector is connect etc. with conducting wire to such microfine diameter electrode pin line
It is middle to be welded using fusion welding method, but due to part thermal capacity very little itself, excessive heat input will lead to material
The defects of splashing and burning, it is very big for the stability influence of precision component welding quality.Alternatively, more in electronic enterprises
The welding of stock conducting wire and wire rod, sheet material uses soldering, but the problems such as dry joint, low temperature brittleness and strength of joint are low easily occurs in soldering.
In addition also there is the method using gas brazing or resistance brazing, but weld seam solder wetting situation is indefinite, and without reliable lossless
Detection means is assessed, and there are problems in reliability in practical engineering applications, to sum up, is badly in need of a kind of microfine diameter electrode
Lead-foot-line and the reliable connection method of stranded conductor.
Summary of the invention
The object of the present invention is to provide a kind of connections for microfine diameter electrode pin line and not equal diameter stranded conductor
Method, it is low that it can overcome the welding of the prior art small-medium size connector burn-through, dry joint, low temperature brittleness and strength of joint easily occur
Etc. a series of unreliable problems of welding, improves microfine diameter electrode pin line and the connection of not equal diameter stranded conductor is reliable
Property.
To achieve the above object, the present invention provides following schemes:
A kind of connection method for microfine diameter electrode pin line and stranded conductor, which is characterized in that the connection side
Method includes: that stranded conductor is placed in recess electrode head, and microfine diameter electrode pin line is placed on the upper surface of described stranded conductor, is adjusted
Save electrode pressing head position, the weldering pressure parameter of precision resistance welder be set, microfine diameter electrode pin line described in pressing and fixiform and
The stranded conductor；The welding parameter of precision resistance welder is set, the microfine diameter electrode pin line of the pressing and fixiform is welded
And stranded conductor；Wherein top electrode of the electrode pressing head as the precision resistance welder, the recess electrode head conduct
The lower electrode of the precision resistance welder；The electrode pressing cephalic par is equipped with the pressure head of protrusion, the recess electrode cephalic par
Equipped with groove, the pressure head width is less than the recess width, and the fall head is greater than the depth of groove；The groove is wide
Degree is between 0.8-2mm.
Optionally, the stranded conductor is placed in recess electrode head, microfine diameter electrode pin line is placed on the multiply
Before the upper surface of conducting wire, further includes: remove stranded conductor place's insulated hull to be welded using wire stripper, led using acetone to the multiply
Line and the cleaning wiping of microfine diameter electrode pin line.
Optionally, for microfilament quantity between 15-30 root, the single microfilament of stranded conductor is straight in the stranded conductor
Diameter is at 70-100 microns, and the single microfilament of the stranded conductor is by surface layer nickel plating, and material is copper or copper alloy processing and fabricating.
Optionally, the microfine diameter electrode pin linear diameter is 100-300 microns.
Optionally, weldering pressure parameter includes squeeze time and welding pressure, wherein the squeeze time 300-800ms,
The welding pressure 5-30N.
Optionally, the welding parameter includes weld interval, welding current and dwell time, wherein the weld interval
10-50ms, the welding current 1.8-3.0kA, the dwell time 200-500ms.
Optionally, the precision resistance welder uses DC power supply.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
The present invention provides a kind of connection method for microfine diameter electrode pin line and stranded conductor, first by using
Electrode pressing head common and that protrusion pressure head is equipped on welding equipment and the precision resistance weldering for setting reeded recess electrode head
Machine, wherein the electrode pressing head width is less than the recess width of the recess electrode head, and fall head is greater than described
Depth of groove；Then welding parameter is adjusted, by the effect of pressure and resistance heat in precision resistance welding process, is realizing multiply
While conducting wire forms sub-thread, setting, it can be realized simultaneously being reliably connected for electrode pin and stranded conductor, simplify Welder
Sequence greatly improves efficiency, improves the connection reliability of microfine diameter electrode pin line with not equal diameter stranded conductor, has
Biggish engineering significance.
In addition, welding parameter of the invention is wide, strength of joint is high, welding process has both compression set effect, connector
It after pressure and resistance heat effect, forms single cord, be not easy to scatter, the economy of production and reliable can be greatly improved
Property.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the method flow diagram that the microfine diameter electrode pin line in the embodiment of the present invention is connect with stranded conductor；
Fig. 2 is the precision resistance welder structural schematic diagram in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the electrode pressing head and the amplification of recess electrode head in the embodiment of the present invention；
Fig. 4 is the pressing and fixiform microfine diameter electrode pin line and stranded conductor process schematic in the embodiment of the present invention；
Fig. 5 is pressing and fixiform microfine diameter electrode pin line and stranded conductor result schematic diagram in the embodiment of the present invention；
Fig. 6 is plumb joint cross-sectional metallographic organization chart one in the embodiment of the present invention；
Fig. 7 is plumb joint cross-sectional metallographic organization chart two in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment 1
A kind of connection method for microfine diameter electrode pin line and stranded conductor is present embodiments provided, such as Fig. 1 institute
Show, specifically include:
Step 101: stranded conductor being placed in recess electrode head, microfine diameter electrode pin line is placed on the stranded conductor
The upper surface of；
Wherein, microfilament quantity is between 15-30 root in the stranded conductor, the single microfilament diameter of stranded conductor
At 70-100 microns, and the single microfilament of the stranded conductor is by surface layer nickel plating, and material is copper or copper alloy processing and fabricating；Institute
Stating microfine diameter electrode pin linear diameter is 100-300 microns.
The stranded conductor is placed in recess electrode head, microfine diameter electrode pin line is placed on the upper of the stranded conductor
Before face, further includes: stranded conductor place's insulated hull to be welded is removed using wire stripper, using acetone to the stranded conductor and fine
The cleaning wiping of diameter electrode lead-foot-line.
Step 102: electrode pressing head position is adjusted, the weldering pressure parameter of precision resistance welder is set, it is micro- described in pressing and fixiform
Thin diameter electrode lead-foot-line and the stranded conductor；
Wherein, the precision resistance welder uses DC power supply；Weldering pressure parameter includes squeeze time and welding pressure,
The squeeze time 300-800ms, the welding pressure 5-30N.
Step 103: the welding parameter of precision resistance welder being set, the microfine diameter electrode pin of the pressing and fixiform is welded
Line and stranded conductor.
Wherein, the welding parameter includes weld interval, welding current and dwell time, the weld interval 10-
50ms, the welding current 1.8-3.0kA, the dwell time 200-500ms.
In addition, as shown in Fig. 2, being the precision resistance welder structural schematic diagram in the present embodiment, the precision resistance welder
Structure includes: electrode pressing head 201, recess electrode head 202, welding mechanism 203, the source of welding current 204.201 He of electrode pressing head
Recess electrode head 202 is pre-selection design, and top electrode of the electrode pressing head 201 as precision resistance welder, recess electrode head
The 202 lower electrode as precision resistance welder.
As shown in figure 3, for the structural schematic diagram of electrode pressing head and the amplification of recess electrode head in the present embodiment, compacting electricity
201 pressure head width of cartridge is less than 202 groove width of recess electrode head, and 201 fall head of electrode pressing head is greater than recess electrode head 202
Groove depth, and 202 recess width of recess electrode head is between 0.8-2mm.
Above-mentioned technical proposal provided in this embodiment, first by the way that electrode pressing head is arranged in precision resistance welder equipment
With recess electrode head, wherein electrode pressing head width is less than recess electrode head groove width, and electrode pressing head height is big
In recess electrode head groove depth, so that welding parameter is wide, strength of joint is high, welding process has both compression set effect；So
After adjust welding parameter, make connector after pressure and resistance heat effect, microfine diameter electrode pin line formed with stranded conductor
Single cord is not easy to scatter, and improves the economy and reliability of production.
Embodiment 2
Electrode pin material in the present embodiment is fine silver, and stranded conductor material is nickel-clad copper, first will be more with wire stripper
Stock wire termination insulating layer removal, carries out cleaning wiping to stranded conductor and electrode pin using acetone, stranded conductor is placed in
In lower electrode groove, electrode pin is placed in the upper end of stranded conductor, assemble welding is as shown in Figures 2 and 3, including electrode pressing
First 201, recess electrode head 202, welding mechanism 203, the source of welding current 204, microfine diameter electrode pin line 301 and stranded conductor
302.Adjustment weldering pressure parameter, welding pressure 20N, squeeze time 600ms, by electrode pressing head 201 and recess electrode head 202,
Pressing and fixiform microfine diameter electrode pin line 301 and stranded conductor 302, weldering press through journey and weldering pressure result such as Fig. 4 and Fig. 5 institute
Show；Then welding parameter is adjusted, the first week 10ms is welded, welds first week electric current 2.0KA, cooling time, 100ms, was welded
Second week 30ms welds second week electric current 2.4KA, dwell time 200ms.
Above-mentioned technical proposal provided by the embodiment is as shown in fig. 6, by being placed on groove for electrode pin line and stranded conductor
In electrode tip, above-mentioned welding parameter is selected, realizes that the electrode pin of fine silver and stranded conductor material are completely melt and are formed good
Metallurgical bonding, while joint geometry is rectangle, and under this technological parameter, connector draws shearing load to reach 6.5N, reaches 0.2mm
The 87% of the electrode pin stretching resistance of fine silver silk, and the squeezing action due to pressure in groove, connector receive pressing and fixiform
Effect, therefore connector stretching resistance and joint geometry all meet the requirement of engineer application.
Embodiment 3
Electrode pin material in the present embodiment is pure nickel, and stranded conductor material is nickel-clad copper, first will be more with wire stripper
Stock wire termination insulating layer removal, carries out cleaning wiping to stranded conductor and platinum electrode pure nickel lead using acetone, multiply is led
Line is placed in lower electrode groove, and platinum electrode pure nickel lead is placed in the upper end of stranded conductor, and assemble welding is as shown in Figures 2 and 3,
Including electrode pressing head 201, recess electrode head 202, welding mechanism 203, the source of welding current 204, microfine diameter electrode pin line 301
And stranded conductor 302.Adjustment weldering pressure parameter, welding pressure 5N, squeeze time 600ms pass through electrode pressing head 201 and groove
Electrode tip 202, pressing and fixiform microfine diameter electrode pin line 301 and stranded conductor 302, weldering press through journey and weldering pressure result as schemed
Shown in 4 and Fig. 5；Then welding parameter is adjusted, the first week 12ms is welded, welds first week electric current 2.2KA, cooling time
100ms welds the second week 30ms, welds second week electric current 2.6KA, dwell time 250ms.
Above-mentioned technical proposal provided by the embodiment is as shown in fig. 7, by being placed on groove for electrode pin line and stranded conductor
In electrode tip, above-mentioned welding parameter is selected, realizes that the electrode pin of pure nickel and stranded conductor material are completely melt and are formed good
Metallurgical bonding, while joint geometry be rectangle.And under this technological parameter, connector draws shearing load to reach 21.3N, reaches platinum electricity
The 85% of pole pure nickel lead stretching resistance.In addition, the squeezing action due to pressure in groove, connector receives pressing and fixiform work
With, therefore connector stretching resistance and joint geometry all meet the requirement of engineer application.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (3)
1. a kind of connection method for microfine diameter electrode pin line and stranded conductor, which is characterized in that the connection method
Include:
Stranded conductor is placed in recess electrode head, microfine diameter electrode pin line is placed on the upper surface of described stranded conductor；It is described
Microfilament quantity is between 15-30 root in stranded conductor, and the single microfilament diameter of stranded conductor is at 70-100 microns；It is described
Microfine diameter electrode pin linear diameter is 100-300 microns；
Electrode pressing head position is adjusted, the weldering pressure parameter of precision resistance welder is set, microfine diameter electrode described in pressing and fixiform draws
Payment to a porter and the stranded conductor；The weldering pressure parameter includes squeeze time and welding pressure, wherein the squeeze time 300-
800ms, the welding pressure 5-30N；
The welding parameter of precision resistance welder is set, and the microfine diameter electrode pin line and multiply for welding the pressing and fixiform are led
Line；Wherein top electrode of the electrode pressing head as the precision resistance welder, the recess electrode head is as the precision
The lower electrode of resistance welder；The electrode pressing cephalic par is equipped with the pressure head of protrusion, and the recess electrode cephalic par is equipped with groove,
The pressure head width is less than the recess width, and the fall head is greater than the depth of groove；The recess width is in 0.8-
Between 2mm；The welding parameter includes weld interval, welding current and dwell time, wherein the weld interval 10-
50ms, the welding current 1.8-3.0kA, the dwell time 200-500ms；By pressure in precision resistance welding process with
The effect of resistance heat realizes that electrode pin and the reliable of stranded conductor connect while realizing that stranded conductor forms sub-thread, setting
It connects.
2. connection method according to claim 1, which is characterized in that the stranded conductor is placed in recess electrode head,
Microfine diameter electrode pin line is placed on before the upper surface of described stranded conductor, further includes: is waited for using wire stripper removal stranded conductor
Insulated hull at weldering, using acetone to the stranded conductor and the cleaning wiping of microfine diameter electrode pin line.
3. connection method according to claim 1, which is characterized in that the precision resistance welder uses DC power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611001963.9A CN106785493B (en) | 2016-11-12 | 2016-11-12 | A kind of connection method for microfine diameter electrode pin line and stranded conductor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611001963.9A CN106785493B (en) | 2016-11-12 | 2016-11-12 | A kind of connection method for microfine diameter electrode pin line and stranded conductor |
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| CN106785493B true CN106785493B (en) | 2019-10-22 |
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| CN107398629B (en) * | 2017-07-20 | 2019-05-03 | 南昌航空大学 | A method of realizing that microfilament is welded with not equal diameter stranded conductor energy storage using intermediate layer |
| CN107941366A (en) * | 2017-12-08 | 2018-04-20 | 佛山市川东磁电股份有限公司 | A kind of quick solder sealer of thermal resistance |
| WO2020140503A1 (en) * | 2018-12-30 | 2020-07-09 | 苏州阿福机器人有限公司 | Motor winding welding electrode and motor winding welding process |
| CN110026716B (en) * | 2019-02-20 | 2023-10-03 | 国网江苏省电力公司盐城供电公司 | Pin assembly mechanism based on capacitor element |
| EP3984682B1 (en) * | 2020-10-19 | 2024-05-22 | TE Connectivity Germany GmbH | Device and method for compact embedded wire welding using a shape-forming electrode |
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| JP3454055B2 (en) * | 1996-11-22 | 2003-10-06 | 株式会社デンソー | Connection structure and connection method of insulated wire |
| CN101015099A (en) * | 2004-07-07 | 2007-08-08 | 弗利亚特克公司 | Method for connecting at least one wire to a contact element |
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