WO2022268571A1 - Elektrisches kontaktelement für einen steckverbinder und steckverbinderanordnung mit einem elektrischen kontaktelement - Google Patents
Elektrisches kontaktelement für einen steckverbinder und steckverbinderanordnung mit einem elektrischen kontaktelement Download PDFInfo
- Publication number
- WO2022268571A1 WO2022268571A1 PCT/EP2022/066162 EP2022066162W WO2022268571A1 WO 2022268571 A1 WO2022268571 A1 WO 2022268571A1 EP 2022066162 W EP2022066162 W EP 2022066162W WO 2022268571 A1 WO2022268571 A1 WO 2022268571A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plug
- contact element
- contact
- electrical
- plastic body
- Prior art date
Links
- 239000004033 plastic Substances 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 8
- 230000013011 mating Effects 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 10
- 238000003780 insertion Methods 0.000 abstract description 8
- 230000037431 insertion Effects 0.000 abstract description 8
- 241000446313 Lamella Species 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
- 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
- H01R13/11—Resilient 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
- H01R13/44—Means for preventing access to live contacts
-
- 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
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Definitions
- the invention relates to an electrical contact element for a plug connector, with a metal flat contact plug in which a plastic body is arranged at least on its plug-side end face.
- the invention also relates to a connector arrangement with such an electrical contact element.
- So-called passive touch-protected connectors have suitable geometries to prevent accidental touching.
- a generic electrical contact element which has a contact protection made of plastic, is known from the German patent application DE 102018211 043 A1.
- the section of the plastic body that rests against the plug-side end face of the flat contact plug influences the properties of the contact element during the plugging process.
- relatively high insertion forces or even a result in an unfavorable progression of the insertion forces relatively high insertion forces or even a result in an unfavorable progression of the insertion forces.
- the plastic abrasion that occurs during the plugging process also depends on the geometry of the section.
- the shape of the plastic body should also make it as difficult as possible for a finger to approach the flat contact plug in a given environment.
- the object was to create an electrical contact element that is particularly advantageous in terms of these requirements.
- the cross-sectional area of the section of the plastic body extending from the plug-side end face of the flat contact plug has two wavy edge contours running symmetrically or asymmetrically to the central axis of the cross-sectional area, the distance between which varies continuously along the plug-in direction and at least one local one over the course Has maximum outside the end areas.
- the distance between the edge contours measured perpendicularly to the central axis of the cross-sectional area is also referred to below as the cross-sectional width.
- a double wave-like course of the has proved to be particularly advantageous Edge contours of the plastic body proved.
- Figure 1 shows an electrical contact element in two views and an enlarged detail
- FIG. 2 shows a connector arrangement with a contact element and a mating contact element
- Figure 3 shows a connector tip in section
- Figure 4 a connector tip with marked contact surfaces
- FIG 5 shows two prior art plug tips
- FIG. 6 shows a pair of lamellae on an electrical contact element and on two contact elements according to the prior art.
- FIG. 1 shows an electrical contact element 10 according to the invention in a plan view of a contact surface 19 and in a sectional view AA. An enlarged detailed view B of the sectional view is also shown.
- the contact element 10 consists of a metal flat contact plug 11 with a molded plastic body 12.
- the one-piece plastic body 12 can surround the flat contact plug 11 on several sides, in which case side parts 14 of the plastic body 12 rest on the two narrow longitudinal sides of the flat contact plug 11, while one of the side parts 14 connecting plug tip 13 is arranged on the plug-side end face of the flat contact plug 11.
- the electrically non-conductive plug tip 13 has a function of preventing a human body part from directly touching the end surface of the tab contact plug 11 .
- the two side parts 14 achieve the same for the two narrow longitudinal sides of the flat contact plug 11.
- the plastic body 12 thus forms a protection against accidental contact for the flat contact plug 11.
- the connector tip 13 formed by the plastic body 12 of the electrical contact element 10 designed according to the invention is characterized in that its two edge surfaces each form at least a simple corrugated contour in cross section. In the examples shown here, a double corrugation contour is shown in each case.
- the electrical contact element 10 is intended to form an electrical connector arrangement with a mating contact element 20 shown schematically in FIG.
- the mating contact element 20 has a plurality of lamellae 26a, 26b, 26c, 26d, which are attached to a support component 21, shown here as a U-shape, as mutually opposite lamellae 26a and 26c, as well as 26b and 26d, and also as lamellae 26a and 26b, which follow one another in the plug-in direction. and 26c and 26d can be arranged.
- Additional lamellae can be provided parallel to the lamellae 26a, 26b, 26c, 26d shown, but these are not explicitly shown in FIG.
- Each of the lamellae 26a, 26b, 26c, 26d has a resilient section which is shown here as a cylindrical spring for the sake of simplicity and which is referred to below as a lamellar spring 27a, 27b.
- a lamellar spring 27a, 27b Connected to each lamellar spring 27a, 27b is a lamellar tip 28a, 28b, which rests against one of the contact surfaces 19 of the contact element 10 when the mating contact element 20 is completely connected to a contact element 10.
- the lamellar tips 28a, 28b touch the edge surfaces of the plug tip 13 and the contact surfaces 19 of the flat contact plug 11.
- the spring forces of the lamellar springs 27a, 27b when a contact element 10 is attached result in plug-in forces whose fleas and progression from the
- Insulating existing plug tip 13 can be varied in principle. However, so far mostly simple cross-sectional shapes are chosen for an insulating plug tip 13, since their purpose, except in the contact protection function, is generally only seen as far to open the lamellae of the mating connector, so that they have the
- Plug tip can slide onto the contact surfaces of the flat contact plug.
- FIG. 5 shows, purely by way of example, two designs of an insulating plug tip 13', 13'' according to the prior art.
- the front section of the plug tip 13' forms a kind of dome whose cross-section already after a short distance in the plugging direction Cross-sectional width of the flat contact plug 11 is reached.
- view b) shows a wedge-shaped connector tip 13", in which the insertion force increases continuously until it reaches the flat contact connector 11.
- FIG. 3 shows a vertical cross section through the electrical contact element 10 in the area of the plug tip 13.
- the edge contours 17a, 17b of the cross-sectional area 18 of the plug tip 13 are for the following explanation by encircling several zones I, II,
- the two edge contours 17a, 17b of the cross section of the plug tip 13 shown which run symmetrically to one another in relation to the central axis 22 of the cross-sectional area 18 of the plug tip 13, here for example, each have a wave-like course and here in particular a double wave shape, which is characterized in that the cross-sectional widths of the edge contours 17a , 17b vary continuously in the insertion direction and have two cross-sectional maxima Max (zones II) along their course, which are not located at the front or rear end section of the edge contours 17a, 17b.
- the illustrated shape of the plug tip 13 has two elevation zones II, each having a local maximum Max of the cross-sectional width, and a valley zone III located in between, in which the cross-sectional width is locally minimal in a minimum Min.
- the beginning and end of the edge contours 17a, 17b likewise each form a local minimum Min in the cross-sectional width in the plastic connector bevel zone I and in the depression zone IV.
- the course of the edge contour begins with a molded chamfer 16.
- the plastic surface of the plug tip 13 and the metal surface of the flat contact plug 11 meet in the depression zone IV in a concave material transition area at an angle of 90° to 179°, which is referred to below as depression 15 for short.
- the metal area is designed in such a way that an angular transition 29 is ensured. This can be created by shaping a chamfer, radius, edge, or polynomial shape.
- the depression 15 ensures that there is no contact between the contact element 10 and the lamella tips 28a, 28b and 27a, 27b in the material transition area.
- the waveform of the plug tip 13 shown in Figure 3 results in several qualitatively different acting contact zones a, b, c, which are plotted along an edge contour 17a of the plastic body 12 in the cross-sectional view of Figure 4.
- the identification a designates contact zones in which, when a mating contact element 12 is pushed on, the lamellae 26a, 26b, 26c, 26d shown in FIG. 2 can slide without widening.
- the contact element Over the overall contour of the plastic body 12 touch the Lamellar tips 28a, 28b the contact element successively in all three contact zones a, b, c.
- an expenditure of force arises from the expansion work of the contact lamellae 26a, 26b, 26c, 26d only when one of the contact tips 28a, 28b sweeps over one of the contact zones b.
- the lamellas 26a, 26b, 26c, 26d can slide over the contact zones a without any expansion work, while the lamella springs 27a, 27b of the respective lamellas 26a, 26b, 26c, 26d are even relieved when the contact zones c are passed.
- the distance between the waves is designed such that the successively arranged lamellar tips 28a, 28b of the mating contact element 20 come to rest on areas of the plug tip 13 at the same time. which have significantly different cross-sectional widths.
- FIG. 6, view c This is shown schematically in FIG. 6, view c). It can be seen that lamellar crests 28a, 28b lying against a wavy edge contour 17a, the lamellar springs 27a, 27b connected thereto, are different here in the state of maximum loading of the trailing contact point deflect far. This occurs several times in the case of a corrugated contour with the course of the edge contour 17a on the plug tip 13 .
- the alternating loading and unloading areas of the lamellar springs 27a, 27b ensure that the insertion forces in the area of the max zones II (FIG. 3) are limited, as a result of which the occurrence of extreme force peaks can be avoided.
- views a) and b) of FIG. 6 schematically show the edge contours of plug tips 13' and 13'' according to the prior art, as shown in views a) and b) of FIG.
- the lamella 26a which is leading here, can only be at the same level, which leads to force peaks.
- the insertion forces that occur during a plugging process are made up of contributions to the setting work of the lamellar springs 27a, 27b, frictional forces due to the surface properties of the contact element 10 and lamellar tips 28a, 28b, the shape of the edge contours 17a, 17b, and the expansion work on the lamellar springs 27a, 27b.
- the individual contributions vary over the course of the mating area.
- the setting work describes the mechanical work that has to be applied for permanent plastic deformation of lamellar springs 27a, 27b.
- the setting work therefore only has to be applied once when a mating contact element 12 is used for the first time.
- the one-off mechanical setting work is complete when the maximum deflection of the lamellar springs 27a, 27b is reached and is therefore determined by the maximum cross section of the contact element 10.
- a plug tip 13 with a wavy edge contour distributes the Setting work in the force-displacement curve in several areas.
- the lamellar springs 27a, 27b can be successively deflected by the double-shaft connector.
- Plastic body 12 makes it possible, particularly in the case of a slat geometry with staggered slat tips 28a, 28b, to avoid simultaneous full deflection of all slat tips 28a, 28b. This reduces the maximum force when expanding and in particular when setting the lamellar springs 27a, 27b.
- the indentation 15 between the plastic area and the metal area is not touched by the fin tips 28a, 28b (FIGS. 2 and 3, zone IV). Firstly, this results in less abrasion, since no material transition edge is passed over here. Secondly, the indentation has the effect that no additional force peak occurs in the force-displacement curve during the transition from the plastic body 12 to the flat contact plug 11 . Thirdly, loose particles can become detached in the area of the depression 15 and remain in an area untouched by the lamellar tips 28a, 28b.
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22736189.6A EP4360170A1 (de) | 2021-06-22 | 2022-06-14 | Elektrisches kontaktelement für einen steckverbinder und steckverbinderanordnung mit einem elektrischen kontaktelement |
JP2023577214A JP2024524900A (ja) | 2021-06-22 | 2022-06-14 | コネクター用電気接点部品及び電気接点部品を備えたコネクター装置 |
MX2023015483A MX2023015483A (es) | 2021-06-22 | 2022-06-14 | Elemento de contacto electrico para un conector de clavija y conjunto de conector de clavija que tiene un elemento de contacto electrico. |
CN202280041395.2A CN117678124A (zh) | 2021-06-22 | 2022-06-14 | 用于插塞连接器的电接触元件和具有电接触元件的插塞连接器装置 |
KR1020247002000A KR20240021312A (ko) | 2021-06-22 | 2022-06-14 | 플러그 커넥터용 전기 접촉 요소 및 전기 접촉 요소를 갖는 플러그 커넥터 조립체 |
US18/524,539 US20240097368A1 (en) | 2021-06-22 | 2023-11-30 | Electrical Contact Element for an Electrical Connector, and Electrical Connector Assembly Having an Electrical Element |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102021003221.7A DE102021003221A1 (de) | 2021-06-22 | 2021-06-22 | Elektrisches Kontaktelement für einen Steckverbinder und Steckverbinderanordnung mit einem elektrischen Kontaktelement |
DE102021003221.7 | 2021-06-22 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18/524,539 Continuation US20240097368A1 (en) | 2021-06-22 | 2023-11-30 | Electrical Contact Element for an Electrical Connector, and Electrical Connector Assembly Having an Electrical Element |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022268571A1 true WO2022268571A1 (de) | 2022-12-29 |
Family
ID=82361400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/066162 WO2022268571A1 (de) | 2021-06-22 | 2022-06-14 | Elektrisches kontaktelement für einen steckverbinder und steckverbinderanordnung mit einem elektrischen kontaktelement |
Country Status (8)
Country | Link |
---|---|
US (1) | US20240097368A1 (de) |
EP (1) | EP4360170A1 (de) |
JP (1) | JP2024524900A (de) |
KR (1) | KR20240021312A (de) |
CN (1) | CN117678124A (de) |
DE (1) | DE102021003221A1 (de) |
MX (1) | MX2023015483A (de) |
WO (1) | WO2022268571A1 (de) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2537370A (en) * | 1948-10-12 | 1951-01-09 | Abraham D Parnes | Male safety plug member |
EP2109187A1 (de) * | 2008-04-08 | 2009-10-14 | Siemens Aktiengesellschaft | Steckkontakt und Automatisierungskomponente |
US20110053404A1 (en) * | 2009-08-26 | 2011-03-03 | Sumitomo Wiring Systems, Ltd | Male connector and connector apparatus |
EP2660936A1 (de) * | 2011-10-25 | 2013-11-06 | Sumitomo Wiring Systems, Ltd. | Polstecker |
JP2014179290A (ja) * | 2013-03-15 | 2014-09-25 | Japan Aviation Electronics Industry Ltd | コネクタ |
DE112017003854T5 (de) * | 2016-08-01 | 2019-04-18 | Te Connectivity Corporation | Leistungsanschluss für lichtbogenlosen Leistungsverbinder |
EP3591768A1 (de) * | 2018-07-04 | 2020-01-08 | TE Connectivity Germany GmbH | Berührungssichere kontaktanordnung |
US20200161795A1 (en) * | 2018-11-20 | 2020-05-21 | Yazaki Corporation | Connector |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4298237A (en) | 1979-12-20 | 1981-11-03 | Bell Telephone Laboratories, Incorporated | Printed wiring board interconnection apparatus |
JP5965265B2 (ja) | 2012-09-24 | 2016-08-03 | 矢崎総業株式会社 | 端子 |
-
2021
- 2021-06-22 DE DE102021003221.7A patent/DE102021003221A1/de active Pending
-
2022
- 2022-06-14 WO PCT/EP2022/066162 patent/WO2022268571A1/de active Application Filing
- 2022-06-14 JP JP2023577214A patent/JP2024524900A/ja active Pending
- 2022-06-14 KR KR1020247002000A patent/KR20240021312A/ko unknown
- 2022-06-14 EP EP22736189.6A patent/EP4360170A1/de active Pending
- 2022-06-14 CN CN202280041395.2A patent/CN117678124A/zh active Pending
- 2022-06-14 MX MX2023015483A patent/MX2023015483A/es unknown
-
2023
- 2023-11-30 US US18/524,539 patent/US20240097368A1/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2537370A (en) * | 1948-10-12 | 1951-01-09 | Abraham D Parnes | Male safety plug member |
EP2109187A1 (de) * | 2008-04-08 | 2009-10-14 | Siemens Aktiengesellschaft | Steckkontakt und Automatisierungskomponente |
US20110053404A1 (en) * | 2009-08-26 | 2011-03-03 | Sumitomo Wiring Systems, Ltd | Male connector and connector apparatus |
EP2660936A1 (de) * | 2011-10-25 | 2013-11-06 | Sumitomo Wiring Systems, Ltd. | Polstecker |
JP2014179290A (ja) * | 2013-03-15 | 2014-09-25 | Japan Aviation Electronics Industry Ltd | コネクタ |
DE112017003854T5 (de) * | 2016-08-01 | 2019-04-18 | Te Connectivity Corporation | Leistungsanschluss für lichtbogenlosen Leistungsverbinder |
EP3591768A1 (de) * | 2018-07-04 | 2020-01-08 | TE Connectivity Germany GmbH | Berührungssichere kontaktanordnung |
DE102018211043A1 (de) | 2018-07-04 | 2020-01-09 | Te Connectivity Germany Gmbh | Berührgeschützte Kontaktanordnung |
US20200161795A1 (en) * | 2018-11-20 | 2020-05-21 | Yazaki Corporation | Connector |
Also Published As
Publication number | Publication date |
---|---|
EP4360170A1 (de) | 2024-05-01 |
MX2023015483A (es) | 2024-04-09 |
CN117678124A (zh) | 2024-03-08 |
JP2024524900A (ja) | 2024-07-09 |
DE102021003221A1 (de) | 2022-12-22 |
KR20240021312A (ko) | 2024-02-16 |
US20240097368A1 (en) | 2024-03-21 |
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