WO2018024462A1 - Élément de contact électrique hermaphrodite - Google Patents

Élément de contact électrique hermaphrodite Download PDF

Info

Publication number
WO2018024462A1
WO2018024462A1 PCT/EP2017/067768 EP2017067768W WO2018024462A1 WO 2018024462 A1 WO2018024462 A1 WO 2018024462A1 EP 2017067768 W EP2017067768 W EP 2017067768W WO 2018024462 A1 WO2018024462 A1 WO 2018024462A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
contact element
blades
longitudinal axis
pin portion
Prior art date
Application number
PCT/EP2017/067768
Other languages
German (de)
English (en)
Inventor
Karsten Krome
Original Assignee
Phoenix Contact Gmbh & Co. Kg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Phoenix Contact Gmbh & Co. Kg filed Critical Phoenix Contact Gmbh & Co. Kg
Publication of WO2018024462A1 publication Critical patent/WO2018024462A1/fr

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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/28—Contacts for sliding cooperation with identically-shaped contact, e.g. for hermaphroditic coupling devices
    • 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
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • 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
    • H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
    • 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
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together

Definitions

  • the invention relates to a hermaphroditic contact element for electrical contacting with a contact element of identical construction, further contact element.
  • Contact elements of this type are used for electrically connecting two electrical conductors.
  • contact elements of a contact pair may be formed on the one hand as a contact pin and on the other hand as a contact socket.
  • the contact socket can in this case be formed by a number of elastically resilient contact blades to a certain extent, which simulate a socket geometry and define an insertion opening for insertion of the contact pin.
  • hermaphroditic contact elements which enable a plug-in connection of structurally identical contact elements.
  • Such hermaphroditic contact elements are known, for example, from DE 10 2005 054 590 A1, EP 2 360 792 B1, EP 1 965 470 B1, US Pat. No. 2,389,115, DE 1 003 31 1 B and US Pat. No. 2,745,076.
  • a hermaphroditic contact element pair known from DE 10 2005 054 590 A1
  • two diametrically opposite contact blades with a concave curvature are provided on a contact element, which can make contact with contact blades of a further, structurally identical contact element.
  • contact lamellae project from a socket and can be plugged into the socket of a further, identical contact element for plug-in connection of two contact elements.
  • Object of the present invention is to provide a hermaphroditic contact element available because a favorable electrical contact with another, identical contact element allows easy to manufacture and can have a favorable plug-in behavior. This object is achieved by an article having the features of claim 1.
  • the hermaphroditic contact element has a pin portion and a plurality of contact lamellae projecting from the pin portion along a longitudinal axis, circumferentially offset from one another about the longitudinal axis.
  • the pin portion is formed, upon contact of the contact element with an identical to the contact element, another contact element with contact blades of the further contact element to reach electrically contacting in Appendix.
  • the hermaphroditic contact element thus has, on the one hand, a pin portion and, on the other hand, a plurality of contact blades projecting from the pin portion along a longitudinal axis.
  • a pin geometry as in a conventional contact pin and, on the other hand, also a socket geometry as in a conventional contact socket is realized. If the hermaphroditic contact element plugged into another, identical hermaphroditic contact element, the pin portion of the one, first contact element with the contact blades of further, second contact element electrically contacting in contact, while the contact blades of a first contact element with the pin portion of the other, contact the second contact element.
  • the contact blades are preferably longitudinally along the longitudinal axis of the pin portion and are long along the longitudinal axis.
  • the hermaphroditic contact element can thus be connected along a plug-in direction, which is directed parallel to the longitudinal axis, with a further, identical contact element by the contact elements are pushed together along the plugging direction.
  • the contact blades preferably each have a contact point for electrical contacting with a pin portion of the further contact element at an end remote from the pin portion.
  • the electrical contact between the contact blades of the contact element and the pin portion of the further contact element is thus produced via the contact points on the contact blades.
  • the contact blades of the one, first contact element and the contact blades of the further, second contact element at spaced along the longitudinal axis locations with the pin portion of the first and the second Contact element contact two groups of contact points between the first contact element and the second contact element are formed, which are longitudinally spaced along the longitudinal axis and thus spatially separated, so that the heating is spatially distributed to the contact elements.
  • the heating can also take place in a region in the vicinity of a solid portion of the contact element, so that a heat dissipation can be simplified and heating of the contact element is thus counteracted.
  • the plug-in contact between the contact elements can be carried out in an advantageous manner.
  • the contact blades of the one, first contact element only come into electrical contact with the pin portion of the further, second contact element when they are pushed onto the pin portion. This is done only at the end of the plug-in process, so that the electrical contact takes place only at the end of the insertion process.
  • this may be advantageous when inserting the contact elements under load, because arcs do not occur between the pin portion and the contact points of the contact blades, but between the longitudinal edges of adjacent contact blades, which are rather of minor importance for the electrical contact in the plugged state, so that the occurrence of Arcs at these longitudinal edges does not lead to a significant impairment of the contact quality.
  • the contact points may, for example, protrude radially inwards from elongate shank portions of the contact blades, so that defined contact points for contacting with the pin portion of the further, second contact element are created.
  • a contact bead on the pin portion of the contact element and also on the pin portion of the structurally identical, second contact element, so that the contact blades of the contact element accumulate when the contact element is plugged into the further contact element on the bead and thus over the contact bead contact the pin section.
  • the pin portion preferably has a cylindrical basic shape. For this purpose, for example, follow the longitudinal axis curved contact surfaces of the cylinder surface of this cylindrical basic shape.
  • the pin portion may for example be solid (made of a metal material) and arrives at plug-in connecting the contact element with the associated, further contact element via its outside contact surfaces with the contact blades of the other contact element in abutment.
  • the contact surfaces of the pin portion preferably each extend between two adjacent contact blades, said contact surfaces are offset radially inwardly to outer sides of the contact blades.
  • the pin portion is thus located radially within the contact blades, so that the contact blades of the further contact element can be pushed at plug-in connection to the pin portion to electrically contact with the pin portion.
  • the axial length of the pin portion is preferably short compared to the contact blades.
  • the pin portion may have an axial length measured along the longitudinal axis in a range between 0.1 and 0.5 of the axial length of the contact blade, for example, 0.3 of the axial length of the contact blades.
  • the contact blades are preferably convexly curved on their outer sides.
  • the outer sides can follow a cylindrical shape whose cylinder axis corresponds to the longitudinal axis of the contact element, so that, when the contact elements are nested, an at least approximately closed, cylindrical contact geometry results.
  • the contact blades are preferably circumferentially equally distributed about the longitudinal axis about the pin portion.
  • the contact blades extend on the outside of the pin portion and thus take up the pin portion between them. Adjacent contact blades form an intermediate space between them, into which a contact blade of the structurally identical, further contact element can be inserted.
  • the contact element can have any number of contact blades.
  • the contact element may have three or four contact blades, which are preferably evenly distributed around the longitudinal axis and arranged around the pin portion.
  • the contact element is preferably made in one piece, for example using a forming process, e.g. by extrusion, manufactured and can be made for example of a highly electrically conductive copper material.
  • the contact element may have a spring element which extends around the longitudinal axis and extends around the contact lamellae, over which the contact lamellae are elastically prestressed in addition to their own elasticity.
  • the electrical contact between the contact blades of one, first contact element and the other, second contact element can be fixed by the contact blades of the further, second contact element engage in the encompassing spring element of the first contact element.
  • a recess can additionally be provided on the spring element with which a projection element of the further contact element arranged on one of the contact lamellae can be brought into engagement.
  • the connection between the contact elements is thus additionally axially fixed by the engagement of the projection element of the further, second contact element in the recess of the spring element on the first contact element.
  • both contact elements to be plugged together each have a spring element, wherein a projection element is provided on each contact lamella and a corresponding number of recesses are provided on the spring elements.
  • a schematic view of a connector part with contact elements arranged thereon a view of an embodiment of a hermaphroditic contact element; a view of two identical hermaphroditic contact elements, when plugging connecting the contact elements; a view of the contact elements, in the inserted state; an embodiment of a contact element with three contact blades; an embodiment of a contact element with four contact blades; a view of another embodiment of hermaphroditic contact elements, with disposed on the contact elements spring elements; a view of another embodiment of hermaphroditic contact elements, with arranged on the contact elements spring elements, before plugging in the contact elements; and
  • Fig. 7B is a view of the contact elements of FIG. 7A, in the inserted state.
  • Fig. 1 shows a schematic view of a connector part 3, which can be connected to an associated mating plug connector part 2 plugged.
  • the connected to an electrical line 4 connector part 3 can be inserted with a plug portion 30 in a plug-in opening 20 of the mating connector part 2, so that contact elements 1 on the plug portion 30 on the one hand and in the plug opening 20 on the other hand electrically contact each other and thus electrical currents can be transmitted.
  • Fig. 2 shows a first embodiment of a contact element 1, which is formed as hermaphroditic contact element and, as shown in Fig. 3A and 3B, can be connected to a structurally identical, further contact element 1 plugged to contact electrical conductors together.
  • the contact element 1 is, for example, as a one-piece component made of a good electrically conductive material, such as copper.
  • the contact element 1 has a shaft 10, on whose one end 1 1, an electrical conductor can be connected, for example by the electrical conductor is inserted into a molded into the end of 1 1 bore and connected by soldering or crimping with the contact element 1.
  • the shank 10 is adjoined by a (solidly formed) collar 12, from which the actual contact geometry of the contact element 1 is formed. From the collar 12 are, along a longitudinal axis L extends, contact blades 13, which are offset from each other about the longitudinal axis L and are uniformly distributed to each other.
  • the contact blades 13 are resilient at least to some extent and surround a pin portion 14 formed radially within the contact blades 13. From this pin portion 14 are the contact blades 13 with longitudinally extending shank portions 132 along the longitudinal axis L before.
  • the pin portion 14 has contact surfaces 140, which extend convexly curved along a cylindrical surface of a cylindrical portion of the form describing the pin portion 14.
  • the contact surfaces 140 each extend between two adjacent contact blades 13 and are offset from the outer sides 133 of the contact blades 13 radially inwardly.
  • the contact blades 13 each have a contact point 131 in the form of a projection projecting radially inwards relative to the shaft portion 132 at ends 130 remote from the pin portion 14.
  • These contact points 131 which are curved on their inner sides complementary (concave) to the curvature of the contact surfaces 140 of the pin portion 14, there is a defined contact with an associated, identical, another contact element 1, namely the pin portion 14 of the other contact element 1, as shown in Fig. 3A and 3B is shown.
  • the outer sides 133 of the contact blades 13 are curved convexly about the longitudinal axis L and thus form a cylinder jacket surface after. This results in a circumferentially nearly closed cylinder geometry, when the contact elements 1 are plugged together, as can be seen from Fig. 3B.
  • two structurally identical contact elements 1 are to be connected to one another, they are, as shown in FIG. 3A, plugged into engagement along a plug-in direction E extending parallel to the longitudinal axis L.
  • the fins 13 of a contact element 1 are in this case inserted into intermediate spaces 15 between the contact blades 13 of the other contact element 1 until the contact blades 13 run up with their contact points 131 at the ends 130 on the pin portion 14 of the other contact element 1 and thereby a defined electrical contact make between the contact elements 1.
  • Fig. 3B Characterized in that the electrical contacting takes place in a defined manner via the contact points 131 at the ends 130 of the contact blades 13, created in plugged contact elements 1, shown in Fig.
  • Inserted contact elements 1 (FIG. 3B) result in an at least approximately closed cylinder geometry, with comparatively small slots between the contact blades 13 of the two contact elements 1. This makes it possible to provide larger contact cross sections with the same installation space in comparison to conventional contact element pairs.
  • the contact blades 13 of the two contact elements 1 When inserting the contact elements 1, the contact blades 13 of the two contact elements 1 are first pushed between each other. When plugging under load or when releasing the contact elements 1 under load (arcs) arcs between the longitudinal edges of the contact blades 13 of the two contact elements 1 arise, but not between the contact points 131 and the contact surfaces 140 of the pin portion 14 of the two contact elements. 1 Damage to the contact elements 1 at the decisive for the electrical contacting surfaces as a result of arcing can thus be counteracted.
  • a contact element 1 has three contact lamellae 13, which are distributed uniformly about the longitudinal axis L relative to one another. This is shown again in FIG. 4. In principle, however, a different number of contact blades 13 may be provided, for example, four contact blades 13 as shown in Fig. 5, or even an even larger number of contact blades 13th
  • each contact blade 13 in this case corresponds in each case approximately to the width of a gap 15, so that results in plugged contact elements 1, an at least approximately closed cylinder geometry of the contact element pair.
  • the spring element 16 of each contact element 1 takes in interposed contact elements 1, as shown in Fig. 6, the contact blades 13 of the other contact element 1 in itself, so that via the spring element 16, a resilient bias on the contact blades 13 in the direction of the pin portion 14th is effected and thus a defined contact force can be provided.
  • recesses 160 are also provided on each spring element 16 of each contact element, which at Inserting the contact elements 1 with projection elements 134 on the outer sides 133 of the contact blades 13 of the respective other contact element 1 engage and thus, as shown in Fig. 7B, additionally secure the plug position of the contact elements 1.
  • the contact elements 1 are axially secured to each other along the longitudinal axis L, so that a release of the connector is possible only by canceling the positive connection and thus can hardly take place unintentionally.
  • the contact points on the contact blades may also be designed differently and in particular do not necessarily require the provision of projections for providing the contact points.
  • a radially projecting contact bead can be arranged on the pin portion, onto which the contact blades of the respective other contact element can slide with their ends, if the contact elements are plugged together, so that defined contact points are provided in this way.
  • Contact elements of the type described here can be used in very different applications for connecting electrical conductors with each other and are not limited in particular to solar systems or charging systems for charging an electric vehicle.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

Élément de contact hermaphrodite (1) destiné à l'établissement d'une interconnexion électrique avec d'autres éléments de contact (1) présentant une structure identique audit élément de contact (1), ledit élément de contact (1) comprenant une partie broche (14) et une pluralité de lames de contact (13) faisant saillie dans la direction de l'axe longitudinal (L) à partir de la partie broche (14) et décalées périphériquement les unes des autres autour de l'axe longitudinal (L), la partie broche (14) étant configurée pour établir un contact électrique avec les lames de contact (13) d'un autre élément de contact (1) de structure identique audit élément de contact (1) lors de la connexion de l'élément de contact (1) avec ledit autre élément de contact (1) de structure identique. De cette manière un obtient un élément de contact hermaphrodite permettant une interconnexion électrique commode avec un élément de contact additionnel de structure identique, et apte à présenter des propriétés de connexion avantageuses.
PCT/EP2017/067768 2016-08-01 2017-07-13 Élément de contact électrique hermaphrodite WO2018024462A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016114179.8 2016-08-01
DE102016114179.8A DE102016114179A1 (de) 2016-08-01 2016-08-01 Hermaphroditisches Kontaktelement

Publications (1)

Publication Number Publication Date
WO2018024462A1 true WO2018024462A1 (fr) 2018-02-08

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ID=59325322

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/067768 WO2018024462A1 (fr) 2016-08-01 2017-07-13 Élément de contact électrique hermaphrodite

Country Status (2)

Country Link
DE (1) DE102016114179A1 (fr)
WO (1) WO2018024462A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3552273B1 (fr) * 2016-12-09 2024-03-06 Phoenix Contact GmbH & Co. KG Procédé de fabrication d'un contact femelle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020204794A1 (de) 2020-04-15 2021-10-21 prosermo GmbH elektrische Steckverbindung

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2389115A (en) 1943-10-18 1945-11-20 Anderson Andreas Electrical connector
US2745076A (en) 1954-11-16 1956-05-08 Albert & J M Anderson Mfg Co Electrical connector
DE1003311B (de) 1952-02-04 1957-02-28 Maurice Sertillange Steckverbindung
GB1097414A (en) * 1964-04-09 1968-01-03 Elco Corp Improvements in miniature contact
EP0433802A1 (fr) * 1989-12-19 1991-06-26 Schaltbau Aktiengesellschaft Connecteur pour courant élevé avec deux fiches hermaphrodites
DE102005054590A1 (de) 2005-11-14 2007-05-24 Phoenix Contact Gmbh & Co. Kg Elektrischer Steckverbinder
EP1965470B1 (fr) 2007-03-02 2011-04-20 S.A.I.B. Connectique Dispositif connecteur électrique pour contacts hermaphrodites
EP2360792A2 (fr) * 2006-09-22 2011-08-24 Fci Contact electrique hermaphrodite

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT128226B (de) * 1931-03-19 1932-05-10 August Ing Zopp Leitungs- und Gestängekupplung.
JPS506396U (fr) * 1973-05-16 1975-01-23
DE102008048731A1 (de) * 2008-09-24 2010-04-01 Harting Electronics Gmbh & Co. Kg Symmetrischer elektrischer Kontakt
CN102231457B (zh) * 2011-04-19 2013-02-13 泰兴市航联电连接器有限公司 Y63系列高铁用特种电连接器

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2389115A (en) 1943-10-18 1945-11-20 Anderson Andreas Electrical connector
DE1003311B (de) 1952-02-04 1957-02-28 Maurice Sertillange Steckverbindung
US2745076A (en) 1954-11-16 1956-05-08 Albert & J M Anderson Mfg Co Electrical connector
GB1097414A (en) * 1964-04-09 1968-01-03 Elco Corp Improvements in miniature contact
EP0433802A1 (fr) * 1989-12-19 1991-06-26 Schaltbau Aktiengesellschaft Connecteur pour courant élevé avec deux fiches hermaphrodites
DE102005054590A1 (de) 2005-11-14 2007-05-24 Phoenix Contact Gmbh & Co. Kg Elektrischer Steckverbinder
EP2360792A2 (fr) * 2006-09-22 2011-08-24 Fci Contact electrique hermaphrodite
EP2360792B1 (fr) 2006-09-22 2012-12-05 FCI Automotive Holding Contact electrique hermaphrodite
EP1965470B1 (fr) 2007-03-02 2011-04-20 S.A.I.B. Connectique Dispositif connecteur électrique pour contacts hermaphrodites

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3552273B1 (fr) * 2016-12-09 2024-03-06 Phoenix Contact GmbH & Co. KG Procédé de fabrication d'un contact femelle

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