CN100391674C - High frequency induction welding method for connector in high-frequency line - Google Patents
High frequency induction welding method for connector in high-frequency line Download PDFInfo
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- CN100391674C CN100391674C CNB200510034698XA CN200510034698A CN100391674C CN 100391674 C CN100391674 C CN 100391674C CN B200510034698X A CNB200510034698X A CN B200510034698XA CN 200510034698 A CN200510034698 A CN 200510034698A CN 100391674 C CN100391674 C CN 100391674C
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- magnetic
- connector
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- peg
- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000006698 induction Effects 0.000 title claims description 11
- 238000005476 soldering Methods 0.000 claims description 9
- 229910000859 α-Fe Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000005674 electromagnetic induction Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000004020 conductor Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 241000132179 Eurotium medium Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Manufacturing Of Electrical Connectors (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The present invention relates to a method of high frequency electromagnetic induction heating molten tin welding connection between bundled fine cables and weld legs of an integrated socket joint in high frequency electronic technology, which is particularly to applied in the aspect of manufacturing line connectors used in the fields of ultrahigh frequency telecommunication, communication and computer technology, wherein the line connectors have very high requirements for conduction characteristics. The present invention solves the problem of poor high frequency transmission characteristics of the connectors because a welding torch contacts welding positions in the traditional welding. Automatic welding with high efficiency and high speed is realized by the present invention.
Description
Affiliated technical field:
The present invention adopts the method for high-frequency electromagnetic induction heating to realize that the molten soldering between trickle conductor connects in succession.
The present invention relates to the technology that is welded to connect between a kind of trickle cable that is used for the High-Frenquency Electronic Technology boundling and the integrated connection-peg leg, especially be applied in line connector (this paper the is called for short connector) aspect of making the high hyperfrequency telecommunications of transport properties requirement, communication, field of computer technology use, the present invention is limited to the conductor of realizing by the scolding tin fusion and connects.
The invention belongs to HFI welding application or High-Frenquency Electronic Circuit connector and make the field.
Background technology:
Being welded to connect between the trickle conductor in the High-Frenquency Electronic Circuit, especially boundling cable and integrated connection-peg leg is welded to connect, it is the welding manufacturing of HF link connector, the manual electric iron welding of present more employing, its inefficiency, stability of the welding quality is poor, because the conduction heating needs contacting of electric iron and weldment, and the contact of electric iron has produced the adverse consequences that changes and influence the scolding tin geometry of melt, for example cause undesirable weldering shapes such as there being the wedge angle burr, directly influenced the high-frequency transmission characteristic that is welded to connect the position.And because electric iron adopts heat exchange pattern heating welding position, heat transfer rate causes weld interval long and the thermal efficiency is low slowly.Although the semi-automatic arc welder that adopts the PULSE HEATING mode is arranged, and the principle and the defective of manual welding be identical, and the discreteness that is welding quality is littler.
Summary of the invention:
The objective of the invention is to realize that the fast fast thawing soldering that torch head in a kind of connector manufacturing does not contact welding position and scolding tin connects method.
If will realize the contactless induction welding between trickle conductor in High-Frenquency Electronic Circuit, its weld signature basic demand is: little thermal capacitance requires the small-power input, and small size requires high induction frequencies, and soldering connects the low welding temperature that only needs degree more than 300.
The method that realizes this purpose is to adopt the high-frequency electromagnetic induction heating means to realize contactless heating, and eddy-current heating makes the welding position fusion scolding tin that generates heat rapidly, and the cooling back forms soldering and connects.Because the non-contact type heating, the scolding tin melt can be realized slick and sly, full welded condition, thereby satisfies high frequency, the hyperfrequency transmission characteristic of welding position.
The method that this high-frequency electromagnetic induction mode of heating high frequency magnetic field is provided is that the place provides high frequency magnetic field at magnetic gap by the working magnetic gap place of iron circuit conduction magnet exciting coil magnetic field to iron core.
Description of drawings:
Fig. 1 is embodiments of the invention one schematic diagram (front view and vertical view signal);
Among Fig. 1,1-boundling cable, 2-connection-peg, 3-location comb, 4-ferrite core, 5-magnet exciting coil, 6-high frequency pumping circuit, 7-magnetic gap, 11-cable weldering end, 22-connection-peg leg.
The specific embodiment:
The molten soldering that specifies trickle conductor (as connector) below in conjunction with accompanying drawing meets the embodiment of method.
But implementation method shown in Figure 1 is the induction welding method that magnetic gap 7 is arrived in a kind of magnetic field that forms by ferrite core 4 formation magnetic circuits, conduction magnet exciting coil 5.Magnetic gap 7: the i.e. medium and small the air gap of closed magnetic circuit.High frequency pumping circuit 6 makes magnet exciting coil 5 produce the higher-order of oscillation, and the general adjustment circuit that requires is exported the strongest magnetic field to the quasi-resonance state.The cable weldering end 11 of boundling cable 1 and the connection-peg leg 22 of connection-peg 2 are stacked between the broach of location comb 3, and the contact pressure of appropriateness is arranged.The welding position that fixation is good (cable weldering end 11 and connection-peg leg 22) is exposed in the magnetic gap 7 of ferrite 4 pole pairs formation like this, when magnet exciting coil output high frequency magnetic field, inevitable at welding line end generation induced current, that is eddy current, so welding position heating, make the scolding tin fusion, the two contact jaw is welded together.
The method of this eddy-current heating, torch head are exactly the pole pair of ferrite core 4, and work magnetic field is in magnetic gap 7, and the work magnetic direction that torch head provides vertically penetrates connection-peg 2 legs and arranges the plane.
Because magnetic gap 7 must satisfy the operating space of appropriateness, general magnetic gap distance reaches more than the 3mm, so the magnetic gap place exists bigger magnetic resistance and leakage field (magnetic is dispersed), certainly, should reduce this magnetic gap as much as possible.Magnetic gap is more little, and electromagnetic interference is more little, and device efficiency is high more, and the plant capacity that needs also can reduce.Facts have proved that to the cable or the leg of 0.5mm～1.0mm size, operating frequency can satisfy at 200kHz～500kHz, the input power of equipment only needs that it is enough about 300W.The melting welding time is about 2 seconds.
Certainly, connection-peg line row for broad, there is no need to improve the power of equipment, solution is mobile torch head, the direction walking that promptly mobile magnetic gap 7 is arranged along leg, the side that arrange from the leg of connection-peg 2 in the high-frequency work magnetic field of torch head at the uniform velocity moves to opposite side, makes connection-peg leg 22 and boundling cable weldering end 11 obtain adding thermal weld one by one; This leg is arranged the plane extension of numerous legs of numerous legs of comprising single plug connector or a plurality of plug connectors and is arranged (as the vertical view signal) shoulder to shoulder.This plane is extended arrangement and is limited in the horizontal plane.The welding torch speed of travel can be finished by traction control apparatus.
Because the tin layer of the cable of boundling weldering end 11 immersion plating scolding tin is too thin, the tin amount of needs in the time of can not satisfying with 22 welding of connection-peg leg is so need generate tin-riched layer at connection-peg leg 22.
For the high frequency magnetic field that uses ferrite core and magnet exciting coil to provide, only the magnetic circuit in working magnetic gap is an air dielectric, and it is few more that leakage field is dispersed in the more little magnetic field of this magnetic gap, and the magnetic in the working magnetic gap is close high more.Certainly, can not make magnet saturated.So its operating frequency is relatively low, generally just can satisfy the eddy current mode and weld, and the exciting power of its high frequency pumping circuit is lower at 300kHz, to electronic device require relatively low, manufacturing cost reduces relatively, and the magnetic field of Ji Zhonging makes circuit little to the electromagnetic interference of surrounding environment relatively.
Common connector connection-peg is the connection-peg of plastic packaging, and when some connection-pegs of having relatively high expectations adopted metal shell encapsulation, leakage field can make metal shell produce eddy current and scorching hot.So need install ferrite magnetic shielding overcoat additional in the outside of connection-peg.
The foregoing description high frequency induction welding method, because quasi-resonance electric current very big in the magnet exciting coil exists, make coil and iron core (if any) all can generate heat, in traditional high-power medium and low frequency induction welding equipment, use the Water Cooling Technology cooling, but in the small-power welding equipment of high frequency cable, because the intermittence of welding, it is enough only to adopt fan coolling.Fan cut out when torch head had magnetic field output, fan running when torch head quits work the output of no magnetic field.
The present invention adopts the contactless welding method of high-frequency induction to realize that the soldering between HF link connector boundling cable 1 and the connection-peg 2 connects, and has realized target quick, efficient, energy-conservation, high welding quality.
Claims (3)
1. the trickle cable weldering of boundling end (11) high frequency induction welding method that the phase soldering is connected with connection-peg leg (22) during a HF link connector is made, it is characterized in that: the torch head that high frequency magnetic field is provided is that a ferrite magnetic pole is right, work magnetic field is positioned at ferrite magnetic and extremely the magnetic gap (7) that concentrate relatively in the magnetic field that forms is located, magnet exciting coil (5) is arranged in the ferrite magnetic circuit away from magnetic gap (7), and the work magnetic direction that torch head provides vertically penetrates connection-peg (2) leg and arranges the plane; In the working space that allows, the more little magnetic field of magnetic gap (7) is concentrated more, and magnetic is close high more.
2. connector high-frequency induction soldering method of attachment according to claim 1, it is characterized in that: the side that arrange from the leg of connection-peg (2) in the high-frequency work magnetic field of torch head at the uniform velocity moves to opposite side, makes connection-peg leg (22) and trickle cable weldering end (11) obtain adding thermal weld one by one; This leg is arranged the plane extension of numerous legs of numerous legs of comprising single connector plug or a plurality of connector plugs and is arranged shoulder to shoulder.
3. connector high-frequency induction soldering method of attachment according to claim 1 is characterized in that: have a separated time location comb (3) that link to be welded is separated the location one by one, location comb (3) can be that ceramic-like or magnetic conduction class heat proof material are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510034698XA CN100391674C (en) | 2005-05-25 | 2005-05-25 | High frequency induction welding method for connector in high-frequency line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510034698XA CN100391674C (en) | 2005-05-25 | 2005-05-25 | High frequency induction welding method for connector in high-frequency line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1695864A CN1695864A (en) | 2005-11-16 |
| CN100391674C true CN100391674C (en) | 2008-06-04 |
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| CNB200510034698XA Expired - Fee Related CN100391674C (en) | 2005-05-25 | 2005-05-25 | High frequency induction welding method for connector in high-frequency line |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2103373B1 (en) * | 2008-03-20 | 2011-09-14 | Komax Holding AG | Welding device for connecting solar cells |
| CN101642840B (en) * | 2009-08-27 | 2012-05-23 | 中国北车集团大连机车研究所有限公司 | Induction welding method for aluminum water-cooling base plate and stainless joint |
| CN101920368B (en) * | 2010-08-18 | 2013-04-10 | 永泰电子（东莞）有限公司 | Electromagnetic welding equipment |
| EP2607008B1 (en) * | 2011-12-19 | 2016-11-09 | Komax Holding AG | Soldering device for fixing an electrically conductive strip to a bus bar of a solar cell by means of inductive soldering |
| CN102962610A (en) * | 2012-11-07 | 2013-03-13 | 北京赛德高科铁道电气科技有限责任公司 | Preheating method before welding of thick-wall aluminum alloy |
| CN103042286A (en) * | 2012-12-19 | 2013-04-17 | 贵州大学 | Automatic welder and welding method for small-diameter dissimilar metal wire |
| CN104600534A (en) * | 2013-11-03 | 2015-05-06 | 张向增 | High frequency induction welding connecting method for compound configuration high-frequency data wire |
| CN104070283B (en) * | 2014-07-04 | 2016-06-01 | 贵阳市江山自动化设备有限公司 | A kind of battery connection piece is without welding wire high-frequency automatic welding method |
| CN104377997A (en) * | 2014-12-04 | 2015-02-25 | 章宪 | Magnetic power machine |
| CN107378223B (en) * | 2015-08-19 | 2019-06-28 | 东莞市镭邦光电科技有限公司 | High-frequency welding equipment and automation peeling bonding machine |
| CN105390906A (en) * | 2015-10-28 | 2016-03-09 | 南车株洲电机有限公司 | Paint removing equipment |
| CN108515252A (en) * | 2018-04-28 | 2018-09-11 | 中天宽带技术有限公司 | A kind of welding equipment and its welding method of connector assembly |
| CN113001079A (en) * | 2019-12-20 | 2021-06-22 | 江一宇 | Pre-assembling clamp and application thereof, welding method and welding part |
| CN111618414A (en) * | 2020-04-26 | 2020-09-04 | 郭波 | Material electromagnetic connection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3258573A (en) * | 1963-06-13 | 1966-06-28 | Theodore J Morin | Welding and forming method and apparatus |
| EP0449790A2 (en) * | 1990-03-28 | 1991-10-02 | Equitec S.R.L. | Induction welding station for contact inserting machines on hybrid circuit substrates or on traditional printed circuit cards |
| EP1240968A1 (en) * | 2001-02-16 | 2002-09-18 | Hirschmann Austria GmbH | Method for forming electrical connection by induction soldering |
| CN1385274A (en) * | 2001-05-15 | 2002-12-18 | 博大科技股份有限公司 | Method for welding hood and plate |
| CN1143410C (en) * | 1998-08-01 | 2004-03-24 | 伯恩哈德·弗罗利克 | Battery terminal connection cable |
-
2005
- 2005-05-25 CN CNB200510034698XA patent/CN100391674C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3258573A (en) * | 1963-06-13 | 1966-06-28 | Theodore J Morin | Welding and forming method and apparatus |
| EP0449790A2 (en) * | 1990-03-28 | 1991-10-02 | Equitec S.R.L. | Induction welding station for contact inserting machines on hybrid circuit substrates or on traditional printed circuit cards |
| CN1143410C (en) * | 1998-08-01 | 2004-03-24 | 伯恩哈德·弗罗利克 | Battery terminal connection cable |
| EP1240968A1 (en) * | 2001-02-16 | 2002-09-18 | Hirschmann Austria GmbH | Method for forming electrical connection by induction soldering |
| CN1385274A (en) * | 2001-05-15 | 2002-12-18 | 博大科技股份有限公司 | Method for welding hood and plate |
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| CN1695864A (en) | 2005-11-16 |
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Address after: 523820 Quanxinhe Technology Co., Ltd., 4th Floor, Building E, Yangwu Kehong Industrial Park, Dalingshan Town, Dongguan City, Guangdong Province Patentee after: Zhang Changzeng Address before: 528300 Block B 1702, No. 31 Nanguozhong Road, Daliang Town, Shunde District, Foshan City, Guangdong Province Patentee before: Zhang Changzeng |
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Granted publication date: 20080604 Termination date: 20190525 |