WO2023110017A1 - Zweiteiliges kontaktelement für elektrische steckverbindungen und verfahren zur herstellung eines solchen kontaktelements - Google Patents
Zweiteiliges kontaktelement für elektrische steckverbindungen und verfahren zur herstellung eines solchen kontaktelements Download PDFInfo
- Publication number
- WO2023110017A1 WO2023110017A1 PCT/DE2022/100931 DE2022100931W WO2023110017A1 WO 2023110017 A1 WO2023110017 A1 WO 2023110017A1 DE 2022100931 W DE2022100931 W DE 2022100931W WO 2023110017 A1 WO2023110017 A1 WO 2023110017A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- contact element
- conductor connection
- area
- connection part
- electrical contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
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
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
- H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
- H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion
Definitions
- the invention is based on a contact element according to the type of independent claim 1.
- the invention also relates to a method for producing a contact element according to the type of independent claim 18.
- Such contact elements are required in order to establish an electrical connection between an electrical conductor, in particular a stranded conductor, and a connection end of a pin or socket contact.
- Contact elements are contacted with a suitable mating contact element for the transmission of electrical currents or electrical power.
- the contact elements are used in connectors, for example, but can also be installed on so-called busbars.
- Such connectors and mating connectors are used to create an electrical and mechanical connection between two electrical lines or an electrical line and a device, particularly in an industrial environment.
- a solid material contact element is characterized by a guide area that can be produced extremely precisely.
- a socket contact element it is possible to provide the insertion area for a pin contact element with a closed, ring-shaped entry area without particularly complex measures.
- the processing of such contact elements is relatively expensive for the user, since the contact elements are produced as individual contact elements and special precautions have to be taken for automatic processing.
- the contact elements usually have to be laboriously inserted into a processing belt, which is then fed into a machine. This is shown, for example, in EP 3 123 574 B1.
- EP 3 140 883 B1 shows a contact element which is produced in a stamping and bending process.
- Such contact elements can be manufactured quite inexpensively.
- the so-called stamped and bent contact elements have a greater manufacturing tolerance, so that errors can occur during machine processing.
- the field of application of such contact elements is limited by a low current-carrying capacity in relation to their size.
- EP 0 106 992 A1 shows a contact element which is composed of different components.
- the contact area is designed here as a so-called turned part and is therefore solid and is provided in particular for precise positioning in predetermined receiving openings of an insulating housing.
- the connection area is designed here for crimping on an electrical conductor with a U-shaped cross section and is designed as a stamped and bent part.
- These functional components of the contact element are a pin-shaped clamping part, in the area
- a so-called mechanical embossing takes place, electrically and mechanically connected to each other.
- German Patent and Trademark Office has researched the following prior art in the priority application for the present application: DE 10 2007 026 707 B3, DE 100 05 297 A1, DE 19922 560 A1, DE 20 2018 104 958 U1, DE 11 2015 004 383 T5, EP 3 123 574 B1, EP 3 140 883 B1 and EP 0 106 992 A1.
- the object of the invention is to propose a contact element which has good electrical properties, can be produced inexpensively and can be processed easily, in particular by machine.
- the electrical contact element according to the invention consists of two different parts, the two parts being mechanically and electrically connected to one another.
- the parts are a conductor connection part and a contact part.
- the conductor connection part is preferably made of brass or sheet brass, while the contact part is machined from a strand material consisting of copper or a copper alloy and is additionally advantageously galvanically coated with a precious metal coating.
- the noble metal is preferably silver, a silver alloy, gold or a gold alloy.
- a first part is a conductor connection part which is punched out of sheet metal in a stamping and bending process.
- the conductor connection part is provided for crimping on an electrical conductor. When crimping on, the stripped end of the conductor is pinched at a conductor connection area of the conductor connection part.
- the connection part also has an open conductor connection area that has an essentially egg-shaped cross section.
- the conductor connection part has a joining area at its end facing the contact part.
- the joining area is formed from two flat, opposite flaps, which are each folded or spirally wound or rolled up and then pressed or embossed against one another.
- a bead or groove is formed in the area in which the wound up tabs are pressed against one another. This creates a joint area filled with the material itself. No foreign material or an additional component is required to fill the joining area with material, which is necessary for a subsequent embossing process.
- the joining area of the conductor connection part preferably has an essentially cylindrical shape.
- the volume of the cylinder is filled with material to at least 60%, preferably even to at least 80%.
- a second part is a contact part, which is produced from solid or solid material in a turning process and possibly further machining process steps.
- the contact part can be designed as a pin or socket part.
- the contact part has an axial, essentially concentric bore at its end directed towards the connection part.
- the joining area of the conductor connection part is arranged in the bore of the contact part. An embossing in the outer area of the drill hole makes this possible Conductor connection part and the contact part ultimately fixed together.
- the joining area is not designed as a hollow cylinder, but is solid in itself or filled with its own material.
- the cross section of the joining area of the conductor connection part is designed in the shape of a pretzel. As a result, a particularly stable mechanical connection can be realized between the conductor connection part and the contact part.
- the contact element is preferably formed from exactly two different parts. This means that no further parts are required to mechanically and electrically connect the two functional parts, conductor connection part and contact part, to one another.
- the conductor connection part is a stamped and bent part formed from sheet metal material and is equipped on the connection side with a conductor connection area that is open to the side and has a U-shaped cross section. At its end facing the contact part, the conductor connection part has a joining area with an axial groove. The groove is formed by the abutting, coiled or folded tabs described in more detail above.
- the coiled and/or rolled up and/or folded tabs are resiliently pressed against each other. This means that when they are pressed together, they exert an outward force and, when inserted into the axial bore of the contact part, apply a holding force.
- the U-shaped conductor connection area has a first sub-area for squeezing or crimping on the end-stripped conductor, and a second sub-area for enclosing a conductor area that is still insulated.
- the latter serves in particular to relieve the strain on the system, consisting of conductor and contact element.
- the area into which the joining area of the conductor connection part protrudes into the axial bore of the contact part, i.e. the area where a Overlapping of the two parts takes place is called the joint area.
- An impression also called a bead
- the two parts are firmly mechanically connected to one another.
- the connection is so stable that it withstands mechanical processing of the contact elements according to the invention.
- a contact element according to the invention is produced according to the following process steps: a) First, conductor connection parts are punched out of a sheet metal strip, with individual conductor connection parts remaining attached to one another on a connecting strip. b) A joint area is then formed on the punched-out conductor connection part by forming two tabs protruding on both sides in a spiral shape (by folding, folding or rolling the material) and then pressing them together. In addition, two further opposing pairs of tabs are bent up in a bending process (embossing process) and a conductor connection area is thereby formed. c) The joining area is then pushed into an axial bore of a contact part produced by turning.
- the turned part is manufactured in a separate, upstream manufacturing process, which is not described in detail in this application.
- the contact part is then pinched (embossed) on the outside in the area of the bore, specifically at the level at which the joining area of the conductor connection part is located within the bore.
- a mechanical and industrially suitable fixation of the conductor connection part and contact part is realized.
- the spirally wound up or rolled up straps can develop a spring force, in particular due to their pressing together.
- a positive connection is also provided in addition to the essentially non-positive connection of the two parts. This is realized by the embossing described above.
- FIG. 1 is a perspective view of a strip of lined-up contact elements according to the invention
- FIG. 3 shows a perspective representation of a contact part of the contact element according to the invention designed as a socket part
- FIG. 4 shows a perspective representation of a contact part of the contact element according to the invention, designed as a pin part.
- FIG. 1 shows a contact element 1 according to the invention, which is formed from a conductor connection part LT and a contact part KT.
- the conductor connection part is preferably formed from brass, while the contact part consists of copper or a copper alloy and is additionally advantageously galvanically coated with a precious metal coating.
- the noble metal is preferably silver, a silver alloy, gold or a gold alloy.
- the conductor connection part LT is shown in perspective separately in FIG.
- the conductor connection part LT consists of a stamped piece of sheet metal and is brought into the shape shown in FIG. 2 in a stamping and bending process. When punching out, the individual conductor connecting parts remain attached to one another by a connecting strip 2 remaining on the material. This creates a strip B which can be processed by machine after the individual contact elements 1 have been completed.
- the conductor connection part LT has a conductor connection area 3 on the connection side.
- the conductor connection area 3 has a first partial area 3a for pinching on a stripped area of the conductor (not shown). Instead of the word Anquetschen, the term Ancrim pen is used. As a result, an electrical connection between the conductor and the contact element 1 is established.
- the conductor connection area 3 has a second partial area 3b for enclosing an insulated area of the conductor (not shown). The second partial area 3b serves primarily to relieve strain on the electrical connection.
- the conductor connection part LT has a joining area 4 at its end facing the contact part KT.
- the joining area 4 is formed from two opposing, punched tabs 4a, 4b, the folded against each other and then brought into a substantially cylindrical shape with at least one embossing tool.
- Two embossing tools are preferably used for shaping.
- a first embossing tool shapes the tabs into a roughly cylindrical shape.
- the second embossing tool also called the calibration tool, ultimately presses the tabs into a precise final shape.
- the joining area 4 consists of a cylinder that is filled with its own existing material and is brought into a dimensional accuracy for the contact assembly of the contact part KT by a folding process with a subsequent calibration process.
- a first contact part KT according to the invention is shown in FIG. This is a so-called socket contact part, which was machined from solid strand material in a turning process. If necessary, further machining steps and drillings have been used for completion.
- the socket contact part KT On the contact side, the socket contact part KT has an insertion opening 5 for receiving a suitable pin contact element (not shown).
- the socket area of the socket contact element KT has a contact lug 7 that is pressed radially inward.
- the contact part KT has an axial, concentric bore 6 on its end directed toward the connection part.
- a second contact part KT' according to the invention is shown in FIG. This is a so-called pin contact part, which was machined from a solid strand of material in a turning process. If necessary, further machining steps and drillings have been used for completion.
- the pin contact part KT' On the contact side, the pin contact part KT' has a pin 9 for plugging into a suitable socket contact element (not shown).
- the contact part KT′ has an axial, concentric bore 6 on its end directed toward the connection part.
- the conductor connection part LT has a joining region 4 at an end facing the contact part KT. It can be seen in FIG. 1 that the joining area 4 is pushed into the bore 6 of the contact part KT. This is symbolized by the arrow 8 in FIG. Then the joining area 4 is arranged in the bore 6 . In an embossing area P, which is delimited by two triangles in FIG. 1, an embossing takes place, through which the mechanical and electrical connection of the two parts of the contact element is completed.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202280081121.6A CN118402147A (zh) | 2021-12-14 | 2022-12-09 | 用于电插接连接的两件式的接触元件以及用于制造这种接触元件的方法 |
| KR1020247022850A KR20240118147A (ko) | 2021-12-14 | 2022-12-09 | 전기적 플러그 연결을 위한 2부품형 접점 소자, 그리고 이러한 접점 소자의 제조 방법 |
| US18/716,239 US20250047050A1 (en) | 2021-12-14 | 2022-12-09 | Two-part contact element for electrical plug connections and method for producing a contact element of this type |
| EP22829680.2A EP4449564A1 (de) | 2021-12-14 | 2022-12-09 | Zweiteiliges kontaktelement für elektrische steckverbindungen und verfahren zur herstellung eines solchen kontaktelements |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021132990.6 | 2021-12-14 | ||
| DE102021132990.6A DE102021132990A1 (de) | 2021-12-14 | 2021-12-14 | Zweiteiliges Kontaktelement für elektrische Steckverbindungen und Verfahren zur Herstellung eines solchen Kontaktelements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023110017A1 true WO2023110017A1 (de) | 2023-06-22 |
Family
ID=84602132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2022/100931 Ceased WO2023110017A1 (de) | 2021-12-14 | 2022-12-09 | Zweiteiliges kontaktelement für elektrische steckverbindungen und verfahren zur herstellung eines solchen kontaktelements |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20250047050A1 (de) |
| EP (1) | EP4449564A1 (de) |
| KR (1) | KR20240118147A (de) |
| CN (1) | CN118402147A (de) |
| DE (1) | DE102021132990A1 (de) |
| WO (1) | WO2023110017A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118513900A (zh) * | 2024-07-25 | 2024-08-20 | 常州川弘电子科技有限公司 | 一种射频连接器内导体用钻孔装置 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0106992A1 (de) | 1982-10-07 | 1984-05-02 | HARTING ELEKTRONIK GmbH | Kontaktelement für elektrische Steckverbindungen und Verfahren zur Herstellung eines derartigen Kontaktelementes |
| DE19922560A1 (de) | 1999-05-17 | 2000-11-23 | Delphi Tech Inc | Elektrischer Stecker |
| DE10005297A1 (de) | 2000-02-07 | 2001-08-16 | Siemens Ag | Kontaktstück für eine elektrische Steckverbindung sowie Verfahren zu dessen Herstellung |
| DE102007026707B3 (de) | 2007-06-06 | 2008-09-11 | Schunk Ultraschalltechnik Gmbh | Verfahren zum elektrisch leitenden Verbinden von Litzen sowie Ultraschallschweißvorrichtung |
| DE102010020346A1 (de) | 2010-05-12 | 2011-11-17 | Harting Electric Gmbh & Co. Kg | Elektrisches Kontaktelement |
| DE112015004383T5 (de) * | 2014-09-25 | 2017-06-01 | Yazaki Corporation | Verbindungsaufbau für einen anschlussteil, verbindungsverfahren für einen anschlussteil und kabelbaum |
| EP3140883B1 (de) | 2014-05-09 | 2018-06-27 | Robert Bosch GmbH | Kontaktelement |
| EP3123574B1 (de) | 2014-03-28 | 2018-11-14 | Harting Electric GmbH & Co. KG | Gurtband für kontaktelemente |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202018104958U1 (de) | 2018-08-30 | 2018-09-12 | Harting Electric Gmbh & Co. Kg | Steckverbinder mit Komponenten aus verbessertem Material |
-
2021
- 2021-12-14 DE DE102021132990.6A patent/DE102021132990A1/de active Pending
-
2022
- 2022-12-09 US US18/716,239 patent/US20250047050A1/en active Pending
- 2022-12-09 EP EP22829680.2A patent/EP4449564A1/de active Pending
- 2022-12-09 WO PCT/DE2022/100931 patent/WO2023110017A1/de not_active Ceased
- 2022-12-09 KR KR1020247022850A patent/KR20240118147A/ko active Pending
- 2022-12-09 CN CN202280081121.6A patent/CN118402147A/zh active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0106992A1 (de) | 1982-10-07 | 1984-05-02 | HARTING ELEKTRONIK GmbH | Kontaktelement für elektrische Steckverbindungen und Verfahren zur Herstellung eines derartigen Kontaktelementes |
| DE19922560A1 (de) | 1999-05-17 | 2000-11-23 | Delphi Tech Inc | Elektrischer Stecker |
| DE10005297A1 (de) | 2000-02-07 | 2001-08-16 | Siemens Ag | Kontaktstück für eine elektrische Steckverbindung sowie Verfahren zu dessen Herstellung |
| DE102007026707B3 (de) | 2007-06-06 | 2008-09-11 | Schunk Ultraschalltechnik Gmbh | Verfahren zum elektrisch leitenden Verbinden von Litzen sowie Ultraschallschweißvorrichtung |
| DE102010020346A1 (de) | 2010-05-12 | 2011-11-17 | Harting Electric Gmbh & Co. Kg | Elektrisches Kontaktelement |
| EP3123574B1 (de) | 2014-03-28 | 2018-11-14 | Harting Electric GmbH & Co. KG | Gurtband für kontaktelemente |
| EP3140883B1 (de) | 2014-05-09 | 2018-06-27 | Robert Bosch GmbH | Kontaktelement |
| DE112015004383T5 (de) * | 2014-09-25 | 2017-06-01 | Yazaki Corporation | Verbindungsaufbau für einen anschlussteil, verbindungsverfahren für einen anschlussteil und kabelbaum |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118513900A (zh) * | 2024-07-25 | 2024-08-20 | 常州川弘电子科技有限公司 | 一种射频连接器内导体用钻孔装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118402147A (zh) | 2024-07-26 |
| US20250047050A1 (en) | 2025-02-06 |
| KR20240118147A (ko) | 2024-08-02 |
| EP4449564A1 (de) | 2024-10-23 |
| DE102021132990A1 (de) | 2023-06-15 |
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