CN106816794B - Method for producing an electrical connection and electrical connection element - Google Patents
Method for producing an electrical connection and electrical connection element Download PDFInfo
- Publication number
- CN106816794B CN106816794B CN201611078793.4A CN201611078793A CN106816794B CN 106816794 B CN106816794 B CN 106816794B CN 201611078793 A CN201611078793 A CN 201611078793A CN 106816794 B CN106816794 B CN 106816794B
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- Prior art keywords
- terminals
- terminal
- electrical connection
- antenna
- connecting material
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title description 7
- 238000000034 method Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 47
- 230000006698 induction Effects 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 22
- 210000002105 tongue Anatomy 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims description 4
- 238000005219 brazing Methods 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 238000007373 indentation Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000005304 joining Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0207—Ultrasonic-, H.F.-, cold- or impact 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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention relates to a method for forming an electrical connection, wherein a connection material is heated. The invention also relates to an electrical connection element in which at least one electrical connection is formed according to the method.
Description
Technical Field
The invention relates to a method for producing an electrical connection and an electrical connection element in which at least one electrical connection is produced by means of such a method.
Background
Until now, electrical connections have often involved conventional plug connections in areas that are no longer accessible or else joining, soldering, welding or adhesive connections in the not yet closed state. In the latter variant, the connection points are typically protected in a subsequent separate step by a closing process, for example by casting.
The connections known from the prior art are disadvantageous in that the load capacity is low and the connection process and the subsequent securing of the connection location lead to a complicated procedure.
Disclosure of Invention
It is therefore an object of the present invention to provide a method for forming an electrical connection which is improved compared to the prior art. The object of the invention is also to provide an electrical connection element in which an electrical connection is formed by means of the method.
This is achieved according to the invention by a method according to claim 1 and an electrical connection element according to claim 15. Advantageous developments can be derived, for example, from the corresponding dependent claims.
The invention relates to a method for producing an electrical connection between a first terminal and a second terminal, wherein the method comprises the following steps:
-applying a connecting material on at least one of the terminals,
-displacing the terminals together so that the connecting material is located between the terminals and adjacent to both terminals, and
-heating the joining material.
By means of the method according to the invention, a reliable and stable connection can be produced in a simple manner, which overcomes, for example, vibration effects or corrosion effects. In this case, the connecting material can be melted, in particular, so that it is connected or fused to the terminal.
The terminals can in this case be made of an electrically conductive material, for example copper or aluminum.
The first and/or second terminal can in this case in particular be a projecting plug contact and/or a tongue (Flachzunge), respectively. For example, it is possible to apply only to projecting contacts, since the contact is produced by the connecting material.
The heating of the connecting material is advantageously effected by induction heating welding. This approach has been shown to be highly stable.
According to a preferred embodiment, the terminals can be heated by induction heating welding, whereby the connecting material is heated indirectly. This proves to be advantageous.
The induction welding may in particular be brazing, soldering or bonding.
According to a preferred embodiment, an antenna is used for the induction heating welding, which antenna at least partially surrounds the area in which the connecting material is applied. This achieves that the energy is introduced for heating in a specific, target-precise manner.
The antenna can be designed in particular as a double-sided planar antenna or as a single-sided planar antenna.
According to another embodiment, the joining material is heated by means of a laser beam. This may also be combined with induction heating welding.
According to a preferred embodiment, the connecting material is introduced into the recess or solder reservoir (Lotdepot) of at least one of the terminals at the time of application. In particular, the connecting material can be plated, rolled and/or embossed on.
The connecting material may advantageously be a flux material or an adhesive material. This is particularly advantageous for electrical conduction.
According to a refinement, the first terminal and/or the second terminal have a corresponding auxiliary sliding portion, in particular in the form of a ramp. This enables the terminals to be more simply and reliably displaced together.
The method can be carried out simultaneously for a plurality of first terminals and second terminals, wherein each first terminal is assigned a respective second terminal to be connected. This allows application without time loss in plugs with multiple contacts.
The first and/or second terminal can be short-circuited during the method, in particular by means of a number of pressed contact pins. This achieves electrical protection during the implementation of the method.
Such a stylus may also be used to control the attachment site. It is thus possible to apply a defined current or voltage to the terminals during the production of the connection by heat input and to form a circuit (getcheliet) by the electronic device. During the production of the connection, the contact resistance of the connection site being formed changes. The time course of the resistance change is related to the energy introduced and it can be determined whether the connection is normal.
But the examination can also be effected, for example, by means of an X-ray apparatus.
The invention further relates to an electrical connection element in which at least one electrical connection is formed by means of the method according to the invention. The advantages already described can thus also be advantageously used for the connecting element. As far as the method is concerned, reference is also made to all the above-described embodiments and variants.
In summary, the invention, as described above, makes it possible to use plug connections under load, for example, under vibration or temperature changes, the connection region between the two connection ends possibly being damaged by fretting corrosion. The plug connection is typically placed in a housing which is prepared (patch panel/plug) before the connection is made. To enable data transfer or signal transfer or to provide a chip, the connection end and the counterpart are displaced together to form a plug connection. This connection can be protected from possible overload and fretting corrosion damage by the induction heating welding process.
The method according to the invention can be used in particular in situations where higher quality requirements or high load capacities are required. No subsequent steps for sealing or protecting the connection are generally required.
Drawings
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent to those skilled in the art upon examination of the following, or may be learned by practice of the invention.
Shown here are:
figures 1a and 1b show the construction of a plug connection by means of a tongue,
figures 2a-2d show different sub-variants for applying the joining material,
figures 3a and 3b show the principle configuration of an induction heating welding device with a circular antenna,
figures 4a and 4b show the principle construction of an induction heating welding device with a planar antenna on both sides,
fig. 5a, 5b show the principle design of an induction welding device with a planar antenna on one side.
Detailed Description
Fig. 1a and 1b show a plug connection 1 having a first terminal 10 and a second terminal 20. Fig. 1a shows a side view and fig. 1b a top view. The plug connection is embodied here as a tongue-shaped structure or tongue. For easier assembly or for engagement, the terminals 10, 20 are provided with correspondingly inclined sections as auxiliary slides 12, 22.
Here, the first terminal 10 is a connection terminal for an Integrated Circuit (IC), for example, and the second terminal 20 is a plug terminal.
The connecting material 30 is located between the two terminals 10, 20. The connecting material directly adjoins the two terminals 10, 20. The connecting material is designed to melt and connect to the terminals 10, 20 when heated. In particular, a material-fused connection can be formed here.
The plug connection 1 is surrounded by a housing 40. The housing serves to protect the plug connection 1.
Fig. 2a and 2b show a first possible solution for applying a connection material 30 on the second terminal 20, wherein fig. 2a shows a side view and fig. 2b shows a top view. The connecting material 30 is applied to the flat surface of the second terminal 20 and protrudes accordingly. For example, the connecting material 30 may be dispensed, rolled or plated.
Fig. 2c and 2d show a second possible solution for applying a connection material 30 on the second terminal 20, wherein fig. 2c shows a side view and fig. 2d shows a top view. The connecting material 30 is introduced here into a recess or recess 24 of the second terminal 20, which serves as a solder reservoir. The connection material 30 may be partially lowered, which may make the process easy.
Fig. 3a and 3b show the connection point 1 during an induction heating welding process according to a first embodiment, wherein fig. 3a shows a side view and fig. 3b shows a top view. A circular, i.e. in particular closed, antenna 50 is used here, which surrounds the connection point 1 and the housing 40. The circular antenna 50 is here supplied by a high-frequency generator/motor 55. The antenna 50 and the high-frequency generator 55 together form an induction system or induction heating welding device.
In this case, the flat surface is preferably heated in a planar manner by the induction system. The degree of energy input is selected according to the type of connection technology selected. For example, soldering techniques, brazing techniques or adhesive techniques are suitably applied. The respectively required flux material or adhesive material is preferably already applied as connecting material 30 before. In order to protect the applied connecting material 30 during assembly, the connecting material can be introduced into the recess or the solder reservoir, as described above in particular in connection with fig. 2a to 2 d. The connecting material may also be plated or embossed.
The antenna 50 of the induction welding system or of the induction welding device surrounds the connection point 1, for example, in a planar or circular manner. The connection site 1 is located in the center of the generated electromagnetic field. This region is selectively heated by eddy current losses.
In a conventional embodiment, the electromagnetic field of the induction coil heats and melts the solder. This forms the name of the technology. In the embodiment described here, the contact tongues or terminals 10, 20 are heated by an electromagnetic field, instead of the joining material or joining material 30 being heated. The resulting temperature of the terminals 10, 20 melts or causes a chemical reaction of the contact material or connecting material 30, for example solder, a braze foil or an adhesive, located between the terminals 10, 20.
Fig. 4a and 4b show the connection point 1 during an induction heating welding process according to a second embodiment, wherein fig. 4a shows a side view and fig. 4b shows a top view. In contrast to the first embodiment, the antenna 50 is here embodied as a double-sided planar antenna. The electric field 60 generated by the planar antenna is also schematically shown.
Fig. 5a and 5b show the connection point 1 during an induction heating welding process according to a third embodiment, wherein fig. 5a shows a side view and fig. 5b shows a top view. In contrast to the first and second embodiments, the antenna 50 is designed as a single-sided planar antenna. The electric field 60 generated by the planar antenna is also schematically shown.
In a possible embodiment, the terminals 10, 20 are short-circuited on the plug side by the pressed contact pins during the connection process. After the joining process has been carried out, the joining site can be checked using external contact pins or contact pins.
In another embodiment, the inspection is performed by an X-ray apparatus integrated in the production line. It is thus possible to check the amount and location of the joining material before induction heating welding and to check the joining region itself after the joining has been produced.
In another possible embodiment, instead of generating energy by means of an induction heating welding device, energy can also be supplied by a laser beam. In both cases, heating to reaction temperature is typical.
The steps of the method according to the invention described above may be carried out in the order described. But may be performed in another order. In an embodiment, for example, having a particular combination of steps, a method according to the present invention may be performed without performing other steps. However, in principle, other steps not mentioned can also be carried out.
The claims of the present application indicate that further protective measures are not excluded.
If a feature or group of features is not absolutely necessary in the process flow of the method, the applicant excludes this feature or group of features from at least one of the independent claims. It may, for example, be a subcombination of the claims filed on the filing date or a subcombination of the claims filed on the filing date, limited by other features. Such newly formed claims or combinations of features should be considered to be covered by the scope of the disclosure of the present application.
It is further noted that the embodiments, features and variants of the invention described in the different embodiments or examples and/or illustrated in the figures can be combined with one another as desired. Individual or multiple features may be interchanged with one another as desired. The resulting combination of features may also be considered to be covered by the scope of the disclosure of the present application.
The citation of a dependent claim should not be construed as a disclaimer of the protection afforded the other independent features of the dependent claim to which it is referred. These features can also be combined arbitrarily with other features.
The features disclosed in the description or in the claims may in principle be essential independently of the invention itself only or in combination with other features. These features may therefore be incorporated separately into the claims to distinguish them from the prior art.
Claims (14)
1. A method for forming an electrical connection (1) between a first terminal (10) and a second terminal (20), wherein the method has the steps of:
-applying a connecting material (30) on at least one of the terminals (10, 20),
-displacing the terminals (10, 20) together such that the connecting material (30) is located between the terminals (10, 20) and adjacent to both terminals (10, 20), and
-heating the joining material (30),
the first terminals (10, 20) are projecting plug contacts or tongues, the second terminals (10, 20) are projecting plug contacts or tongues,
the first terminal (10) and the second terminal (20) have respective auxiliary sliding portions (12, 22),
-the connecting material (30) is placed, plated, rolled and/or stamped into the groove (24) or indentation of at least one of the terminals (10, 20) when applied.
2. Method according to claim 1, characterized in that the joining material (30) is heated by means of induction heating welding.
3. A method according to claim 2, characterized in that the terminals (10, 20) and thereby the connecting material (30) are heated indirectly by means of induction heating welding.
4. A method according to claim 2 or 3, characterized in that the induction heating welding is brazing, soldering or gluing.
5. Method according to claim 2 or 3, characterized in that an antenna (50) is used for the induction heating welding, which antenna at least partially surrounds the area in which the connecting material (30) is applied.
6. The method according to claim 5, characterized in that the antenna (50) is designed as a double-sided planar antenna.
7. Method according to claim 5, characterized in that the antenna (50) is designed as a one-sided planar antenna.
8. Method according to claim 1 or 2, characterized in that the joining material (30) is heated by means of a laser beam.
9. A method according to any one of claims 1-3, characterized in that the connecting material (30) is a flux material or a bonding material.
10. A method according to any one of claims 1-3, characterized in that the method is carried out simultaneously for a plurality of first terminals (10) and second terminals (20), wherein each first terminal (10) is assigned a respective second terminal (20) to be connected.
11. Method according to claim 10, characterized in that the first terminal (10) and/or the second terminal (20) are short-circuited during the method.
12. Method according to claim 10, characterized in that the first terminal (10) and/or the second terminal (20) are short-circuited during the method by means of a number of pressed contact pins.
13. The method of claim 1, wherein the auxiliary slide is in the form of an inclined structure.
14. Electrical connection element, in which at least one electrical connection (1) is formed by means of a method according to any one of claims 1-13.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015223778.8A DE102015223778A1 (en) | 2015-11-30 | 2015-11-30 | Method for forming an electrical connection and electrical connection element |
| DE102015223778.8 | 2015-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106816794A CN106816794A (en) | 2017-06-09 |
| CN106816794B true CN106816794B (en) | 2021-04-27 |
Family
ID=58692859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611078793.4A Active CN106816794B (en) | 2015-11-30 | 2016-11-30 | Method for producing an electrical connection and electrical connection element |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106816794B (en) |
| DE (1) | DE102015223778A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019101375B4 (en) | 2018-07-31 | 2022-09-29 | Textilforschungsinstitut Thüringen-Vogtland e.V. | Process for the formation of a flat electrical contact and mechanical connection and textile article of clothing |
| CN109732163B (en) * | 2019-03-18 | 2021-05-11 | 广州煌牌自动设备有限公司 | Welding process and welding equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1122061A (en) * | 1994-06-27 | 1996-05-08 | 精工爱普生株式会社 | Method for connecting lead wires and connecting terminal for lead wires |
| DE10241662B4 (en) * | 2002-09-05 | 2005-02-10 | Volkswagen Bordnetze Gmbh | Method and device for monitoring the process of soldering inductively heated conductors |
| CN201243087Y (en) * | 2008-07-10 | 2009-05-20 | 重庆市伟岸测器制造有限公司 | Down-lead sealing end |
| JP2011124178A (en) * | 2009-12-14 | 2011-06-23 | Autonetworks Technologies Ltd | Electric wire with terminal fitting, and its manufacturing method |
| CN102664335A (en) * | 2012-05-07 | 2012-09-12 | 石家庄供电公司 | Auxiliary welding device for 2Mbit/s patch cord joint |
| CN104600534A (en) * | 2013-11-03 | 2015-05-06 | 张向增 | High frequency induction welding connecting method for compound configuration high-frequency data wire |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10143907A1 (en) * | 2001-02-16 | 2002-09-19 | Hirschmann Austria Gmbh Rankwe | Electrical connection using induction soldering |
| EP1240968A1 (en) * | 2001-02-16 | 2002-09-18 | Hirschmann Austria GmbH | Method for forming electrical connection by induction soldering |
| US9509088B2 (en) * | 2012-01-20 | 2016-11-29 | Saint-Gobain Glass France | Connection element |
| DE202015002764U1 (en) * | 2014-09-12 | 2015-05-06 | Few Fahrzeugelektrikwerk Gmbh & Co. Kg | Contact element for soldering by means of electromagnetic induction heating |
-
2015
- 2015-11-30 DE DE102015223778.8A patent/DE102015223778A1/en active Pending
-
2016
- 2016-11-30 CN CN201611078793.4A patent/CN106816794B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1122061A (en) * | 1994-06-27 | 1996-05-08 | 精工爱普生株式会社 | Method for connecting lead wires and connecting terminal for lead wires |
| DE10241662B4 (en) * | 2002-09-05 | 2005-02-10 | Volkswagen Bordnetze Gmbh | Method and device for monitoring the process of soldering inductively heated conductors |
| CN201243087Y (en) * | 2008-07-10 | 2009-05-20 | 重庆市伟岸测器制造有限公司 | Down-lead sealing end |
| JP2011124178A (en) * | 2009-12-14 | 2011-06-23 | Autonetworks Technologies Ltd | Electric wire with terminal fitting, and its manufacturing method |
| CN102664335A (en) * | 2012-05-07 | 2012-09-12 | 石家庄供电公司 | Auxiliary welding device for 2Mbit/s patch cord joint |
| CN104600534A (en) * | 2013-11-03 | 2015-05-06 | 张向增 | High frequency induction welding connecting method for compound configuration high-frequency data wire |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015223778A1 (en) | 2017-06-01 |
| CN106816794A (en) | 2017-06-09 |
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Effective date of registration: 20230308 Address after: Hannover Patentee after: Continental Automotive Technology Co.,Ltd. Address before: Frankfurt, Germany Patentee before: CONTINENTAL TEVES AG & Co. OHG |