EP2031707A2 - Elément de connecteur à fiches électrique - Google Patents

Elément de connecteur à fiches électrique Download PDF

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Publication number
EP2031707A2
EP2031707A2 EP08013501A EP08013501A EP2031707A2 EP 2031707 A2 EP2031707 A2 EP 2031707A2 EP 08013501 A EP08013501 A EP 08013501A EP 08013501 A EP08013501 A EP 08013501A EP 2031707 A2 EP2031707 A2 EP 2031707A2
Authority
EP
European Patent Office
Prior art keywords
contact
connector element
line
contact member
contact point
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.)
Withdrawn
Application number
EP08013501A
Other languages
German (de)
English (en)
Other versions
EP2031707A3 (fr
Inventor
Erich Frank
Thomas Oberschelp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pfisterer Kontaktsysteme GmbH
Original Assignee
Pfisterer Kontaktsysteme GmbH
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 Pfisterer Kontaktsysteme GmbH filed Critical Pfisterer Kontaktsysteme GmbH
Publication of EP2031707A2 publication Critical patent/EP2031707A2/fr
Publication of EP2031707A3 publication Critical patent/EP2031707A3/fr
Withdrawn legal-status Critical Current

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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
    • H01R13/15—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
    • H01R13/10—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

Definitions

  • the invention relates to an electrical connector element for electrical connection technology, in particular an electrical connector element for the electrical connection technology of hybrid drives of motor vehicles.
  • a plug element and a socket element is plugged together in electrical connectors, wherein the contact elements of the plug element and the socket element come into electrical contact with each other and is guided over the contact surfaces thus produced the electric current.
  • Known connectors provide slotted contacts in which two contact surfaces between pin and socket are formed by a slot. Also known is the embodiment with two slots, are formed by the four contact surfaces. A higher number of contact surfaces results from the use of so-called lamellar contacts. In this case, for example, punched fins are mounted in a contact carrier. Due to the large number of contact surfaces results in a high contact reliability.
  • the invention has for its object to provide a connector element, which compared to the known Connector elements even further improved performance characteristics.
  • a high contact reliability in the continuous application should be ensured, in particular, the connector should be insensitive to mechanical and / or thermal stress.
  • the connector element has a contact member having at least one line contact, by means of which the connector element is electrically connectable when mated with an associated connector element.
  • the contact element of the connector element and a complementarily designed contact element of the associated connector element are plugged together.
  • the connector element and the associated connector element, in addition to the contact members also comprise further elements, for example of an electrical insulating material, which are also plugged together when plugging the contact elements.
  • an insulating plug sleeve which surrounds a trained as a metallic pin contact member, can be inserted into an insulating socket, which surrounds a trained as a metallic sleeve member, the pin complementary contact member.
  • the contact member on two line contacts which are in abutment with a cylindrical, in particular circular cylindrical, formed complementary contact member of the associated connector element in abutment can be brought.
  • the connector element can in principle be designed both as a plug element and as a socket element. In the following description, the embodiment of the connector element is described as a female element.
  • the contact member is also durable on at least one of the line contact or the two line contacts spaced contact point in a punctiform or linear contact with the associated connector element.
  • the contact point is punctiform, because thereby at a given spring force, the highest surface pressure on the contact point is reached.
  • the contact member contacts the associated connector element, in particular the contact element of the connector element corresponding to the contact element of the connector element, on the two line contacts and the punctiform contact point.
  • the associated connector element in particular the contact element of the connector element corresponding to the contact element of the connector element, is biased in the direction of the line contact and thereby held in contact with the line contact, in particular on the two line contacts.
  • the connector element has a spring element, which in principle can also be formed by the contact element itself.
  • a foreign spring is provided by means of permanently high spring forces can be applied. While in particular copper with a contact resistance reducing surface coating, for example made of silver, is used as the material for the contact element, the material for the spring element is, for example, steel or spring bronze.
  • the two line contacts extend parallel to the insertion direction, with which the connector element and the associated connector element can be plugged together.
  • the surface of the line contact on the one hand and the associated surface of the connector element on the other hand are automatically cleaned, for example by adhering contaminants, moisture, oxide layers or the like. Due to the high surface pressure on the line contacts the desired abrasion takes place exactly in the areas that form the electrical contact transition after the production of the connector. At the same time the forces required for mating and pulling apart can be limited, which is advantageous for the handling of the connector.
  • the contact force is concentrated on the line contacts in order to provide metallically bare and current-carrying contact points between pin and socket due to the resulting high surface pressure after mating.
  • a connector element according to the invention can be permanently transferred power of more than 100 kW, preferably more than 200 kW and in particular at least short-term power of 500 kW and more, as they occur for example in the drive technology of hybrid drives in automotive engineering.
  • the occurring currents can permanently be more than 50 A, preferably more than 100 A and in particular at least 250 A and more in any case. Emerging thermal loads are dominated in particular by the foreign spring, which also provides a sufficiently high contact force in this case.
  • Connector elements according to the invention can be arranged in an electrically insulating housing, which seals the connector element, in particular the contact member, from the environment. It can also be arranged side by side and / or behind one another in a common housing, a plurality of connector elements, for example, at the same time to provide a multi-pole electrical connection.
  • the contact point is arranged opposite the line contact, in particular two line contacts and the contact point in a cross section at right angles to the insertion direction form the corners of an isosceles or even an equilateral triangle.
  • the spring element is designed as a spring clip, wherein the spring leg is in contact with the contact member in a region near the line contacts, preferably between two line contacts, and the other spring leg of the spring element in Attachment to the contact member in an area at or near the contact point is.
  • the spring element is U-shaped and has two spring legs.
  • the contact point is arranged at a distance of 20 to 80%, preferably 40 to 60%, of the end of the line contact, which can be brought into contact with the associated connector element during mating.
  • the contact point is arranged centrally with respect to the longitudinal extent of the line contact. This ensures that in the mated state, the connector element is not tilted relative to the associated connector element, but the electrical connection is formed by the line contact.
  • the spring element is arranged at a distance from the contact point.
  • the spring element from the point at which the line contact-carrying portion and the contact point carrying portion of the contact member are interconnected, further away than the contact point. This results for a given spring force, a higher surface pressure at the contact point, because the effective lever arm for the force introduced by the spring element in relation to the connection point is greater than the lever arm effective for the contact point.
  • the connector element is designed as a socket element and has a receiving opening for the associated connector element.
  • the receiving opening is formed by two parallel, but eccentric to each other arranged holes.
  • the one hole has a radius that is larger than the assigned one Connector element is; in this bore, the associated connector element can be inserted, in particular the contact member of the associated connector element.
  • the other bore has a radius that is smaller than the associated connector element.
  • the distance of the axes of the two holes, which partially overlap, is greater than the difference of the radii of the two holes. This results in the lines of intersection of the two holes within the receiving opening two parallel to each other and parallel to the two holes extending contact lines. In this way, the two contact lines with high precision and yet economical to produce.
  • the connector element has a contact member, which is formed as a stamped / bent part and preferably integrally not only has a line contacts and the contact point forming portion, but also a connecting portion for connecting to a secondary line.
  • the connector element may in particular have two abutting edges, which come into contact with each other during bending and thereby positively determine a clear width of the connecting portion for the insertion of a continuing line.
  • the connector element integrally forms in its region facing the associated connector element two sections, one of which forms the at least one line contact and the other the contact point.
  • the sections may be parallel and, in particular, opposed to one another, wherein the clear width between the two sections in the undeflected state is smaller than the diameter of the male connector element and may also be smaller than the inside width of that section of the connector Connector element that receives the continuity line.
  • a third region can be arranged between the region for connection to the continuation line and the region with the line contact, in the course of which the diameter of the connector element tapers.
  • the taper may particularly relate to the inside diameter of the connector element in this section.
  • the portion forming the line contact is bent in a V-shape transversely to the insertion direction.
  • the two leg surfaces of the V-shape form by the contact of an example circular cylindrical pin of the associated connector element, the line contacts.
  • the connector element has an insulation element by means of which an electrical contacting of the associated connector element outside the line contact and outside the contact point can be prevented. This ensures that the electrical contact is made only at the line contacts.
  • the insulating element is arranged in particular at the front end of the plug pin or at the corresponding end of a receptacle of a female element.
  • the isolation member may also have an insertion bevel for facilitating mating.
  • the Fig. 1 shows a connector element 10 according to the invention with a in the Fig. 1 invisible contact element 14 (FIG. Fig. 2 ) disposed within a housing 12.
  • the housing 12 can be plugged together with an associated connector element 18 and can be releasably connected by means of two connecting screws 16, for example with a housing wall, on which the connector element 18 can also be fixed.
  • the connector element 18 is designed in the illustrated embodiment as a panel socket with a female housing 20 which is fixed by means of further connecting screws 22, for example on a housing wall.
  • Within the female housing 20 is a complementary to the contact member 14, designed in the embodiment as a circular cylindrical pin contact member 24 which projects beyond the front side of the female housing 20.
  • the protruding part can be formed for example by an insulating cap made of an electrically insulating material.
  • the complementary contact member 24 may be within a sleeve-shaped projecting Protrusion 26 be disposed in the socket housing 20 touch-proof, which may consist of an electrically insulating material.
  • the connector element 10 may have further elements in addition to the housing 12 and the contact member 14.
  • a receiving element may be arranged which receives the contact member 14.
  • the receiving element may extend substantially over the entire axial length of the housing 12, in particular into the sleeve-like extension 28 inside.
  • the receiving element can be formed, for example, by two half-shells into which the contact element can be inserted, wherein the two half-shells can be snap-fitted together or can be connected, for example, via a film hinge.
  • the two half shells may be formed as equal parts and / or be made of an electrically insulating material.
  • the sleeve-like projection 28 forms on opposite sides in each case a latching nose 32, by means of which a cap 34 can be fixed to the housing 12.
  • the cap 34 is permanently attached to the housing 12.
  • On the cap 34 for example by means of a clamping ring a corrugated hose-like kink protection element 36 can be set.
  • connection system can also be a multipolar, in particular a two- or three-pole connection system with connector elements 10 according to the invention are formed.
  • the housing 12 more Contact members 14 preferably next to each other, in particular straight next to each other, record and form a separate sleeve-like extension 28 for each to be connected to the contact member 14 cable 30.
  • the socket housing 20 may be formed multipolar, in particular a plurality of complementary contact members 24 record.
  • a housing 12 in the manner of a cable connector and a female housing 20 and two cables 30 can be connected to each other by means of a plug housing and a coupling housing.
  • the Fig. 2 shows in a comparison with the illustration of Fig. 1 enlarged view of a perspective view of the contact member 14.
  • the contact element 14 has a stepped bore 40, as can be seen in particular in the Fig. 3 shown side view with hidden lines of the contact member 14 results.
  • the receiving portion 38 is deformed by a pressing tool in such a way, for example, a hexagon is molded from the outside to the receiving portion 38 that the conductor is pressed in the stepped bore 40 and thus also electrically contacted.
  • the molding of a hexagon at two in the direction of the longitudinal axis 42 Alternatively, the molding of only one hexagon in the region of the stepped bore 40 takes place.
  • the step of the stepped bore 40 can form a stop for the conductor 30 of the cable 30 to be introduced into the stepped bore 40.
  • the tapered portion of the cylindrical stepped bore 40 extends from the receiving portion 38 into a contact portion 44.
  • the contact portion 44 is of the in the Fig. 2 introduced in the right half of the illustrated end face edge-shaped an axial recess 46.
  • a resiliently deflectable tongue 48 is formed, which is articulated at the transition from the contact portion 44 to the receiving portion 38.
  • a circumferential groove 50 is introduced on the outside, extending in the direction of the longitudinal axis 42 over a length of more than 10% of the axial length of the contact portion 44, preferably over a length between 10 and 50%, in particular between 20 and 30% of the length of the contact portion 44 extends.
  • a spring element 52 can be used in the groove 50.
  • the axial length of the spring member 52 may substantially correspond to the axial length of the groove 50 and be only slightly smaller.
  • the spring element 52 is in cross section to the longitudinal axis 42 is substantially U-shaped and has two spring legs 54, which are connected to each other via a connecting portion 56.
  • the groove 50 may have a flattening 58 extending in a secant manner with respect to the longitudinal axis 42, against which the connecting portion 56 of the spring element 52 comes into abutment, so that a spring leg 54 introduces the spring force into the tongue 48, whereas the other spring leg 54 initiates the contact force in the area of the contact section 44 opposite the tongue 48.
  • the Fig. 4 shows a section IV-IV through the contact portion 44 of the contact member 14 of Fig. 3
  • the contact member 14 has a receiving opening for the complementary contact member 24 of the associated connector element 18.
  • the receiving opening is formed by two bores 60, 62 running parallel to one another and in particular parallel to the longitudinal axis 42, but arranged eccentrically to one another and / or to the longitudinal axis 42.
  • the one bore 60 about the first midpoint 64 has a first radius 66 that is greater than the radius of the complementary contactor 24.
  • the second bore 62 about the second midpoint 68 has a second radius 70 that is smaller than the complementary contactor 24.
  • the tongue 48 may have along its axial extent a kink, corresponding to the dashed contour of Fig. 3 , The crease line runs parallel to the plane of the drawing Fig. 3 , At the kink, the contact point 76 is formed, which is introduced with a circular cylindrical complementary contact member 24 in a substantially punctiform contact, resulting in a high surface pressure.
  • the contact point 76 is of the spring element 52 in the axial direction
  • the length of the contact member 14 of a typical embodiment is between 20 and 100 mm, preferably between 30 and 70 mm and in particular between 40 and 50 mm. At a length of about 45 mm, for example, the first bore 60 has a diameter of 7.3 mm and the second bore has a diameter of 6 mm.
  • the cylindrical contact pin of the complementary contact member 24 has a diameter of 7 mm.
  • the length of the tongue 48 is about 20 mm.
  • the material is copper with a silver coating.
  • the Fig. 5 shows a perspective view of an alternative embodiment of a contact member 114, which is a stamped / bent part.
  • the Fig. 6 shows a side view of the contact member of Fig. 5
  • the Fig. 7 shows a front view of the contact member 114 of Fig. 5
  • the Fig. 8 shows a rear view of the contact member 114 of Fig. 5 ,
  • the contact element 114 integrally forms two sections 182, 184.
  • the first portion 182 is transverse to the insertion direction, which is parallel to the longitudinal axis 142 and perpendicular to the plane of the Fig. 7 runs, bent in a V-shape and therefore forms two contact legs on which circular in the embodiment in the cross section and in the Fig. 7 dashed lines shown complementary contact member 124, the two line contacts 172, 174 result.
  • the second portion 184 On the opposite side is the second portion 184 in contact with the complementary contact member 124 and pushes it to the two line contacts 172, 174.
  • the second portion 184 is resiliently hinged to the rest of the contact member 114.
  • the second section 184 can be bent along the longitudinal axis 142, so that a substantially point-shaped contact point 176 results.
  • the contact member 114 has at the two sections 182, 184 opposite axial end formed as a receiving portion 138 portion for receiving the line of the cable 30 to be connected ( Fig. 1 ) on.
  • the receiving portion 138 is bent in the initial state in cross-section substantially U-shaped and can be pressed for fixing and contacting the line of the cable 30 with this.
  • the contact member 114 has a first intermediate portion 186, in the region of two integrally formed by the contact member 114 tabs 188, 190 are bent such that this form-fitting with their end faces abut one another and form an abutment edge 192, which can be additionally caulked, welded or clinched to form a stop in the bending operation of the contact member 114, which withstands later compression.
  • the clear width in the first intermediate section 186 can be chosen so that it is smaller than the outer diameter of the conductor of the cable 30 to be connected.
  • the clear width in the first intermediate section 186 can be selected such that the conductor of the cable 30 to be connected can also project at least in sections into the first intermediate section 186.
  • the contact member 114 forms a second intermediate portion 194, within which both the outer diameter and the inside diameter of the contact member 114 tapers.
  • a positioning means is arranged, for example a flat 196, by means of which the spring element 52 can be positioned.
  • the length of the contact member 114 of a typical embodiment is between 20 and 100 mm, preferably between 30 and 70 mm and in particular between 40 and 50 mm. With an overall length of about 40 mm, the sum of the length of the first portion 182 and the second intermediate portion 194 is about 15 mm, as is the length of the receiving portion 138.
  • the V angle of the first portion 138 is about 100 °.
  • the clear width in the first section 182 is about 6.8 mm in the undeflected state.
  • the cylindrical contact pin of the complementary contact member 24 has a diameter of 7 mm.
  • the material is copper with a silver coating.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP08013501A 2007-08-29 2008-07-26 Elément de connecteur à fiches électrique Withdrawn EP2031707A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710042194 DE102007042194A1 (de) 2007-08-29 2007-08-29 Elektrisches Steckverbinderelement

Publications (2)

Publication Number Publication Date
EP2031707A2 true EP2031707A2 (fr) 2009-03-04
EP2031707A3 EP2031707A3 (fr) 2010-08-25

Family

ID=39739880

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08013501A Withdrawn EP2031707A3 (fr) 2007-08-29 2008-07-26 Elément de connecteur à fiches électrique

Country Status (2)

Country Link
EP (1) EP2031707A3 (fr)
DE (1) DE102007042194A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107634364A (zh) * 2017-09-22 2018-01-26 深圳连浩通科技发展有限公司 一种插孔接触件
WO2019176539A1 (fr) * 2018-03-15 2019-09-19 株式会社オートネットワーク技術研究所 Borne de connexion et corps de connexion de borne
CN114171956A (zh) * 2021-11-26 2022-03-11 北京海博思创科技股份有限公司 换电连接器及电动汽车

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010014980A1 (de) 2010-04-14 2011-10-20 Pfisterer Kontaktsysteme Gmbh Elektrisches Steckverbindungselement und Steckverbindungsteil mit mehreren Steckverbindungselementen
DE102010023841A1 (de) 2010-06-09 2011-12-15 Pfisterer Kontaktsysteme Gmbh Elektrisches Steckverbindungselement
DK2873117T3 (en) * 2012-07-11 2016-11-28 Comet Holding Ag Spacer gauge sensor for high voltage connection
DE102018125843A1 (de) 2018-10-18 2020-04-23 Phoenix Contact Gmbh & Co. Kg Elektrisches Kontaktelement zum elektrischen Kontaktieren mit einem Gegenkontaktelement

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE9305881U1 (de) * 1993-04-20 1993-08-26 Bals Elektrotechnik Gmbh & Co Kontakthülse
DE4316902A1 (de) * 1992-05-21 1993-11-25 Pierre Drogo Elektrischer Verbinder und wenigstens einen solchen Verbinder aufweisende elektrische Verbindungsvorrichtung
DE4446376A1 (de) * 1994-12-23 1996-06-27 Kostal Leopold Gmbh & Co Kg Elektrischer Steckverbinder
WO1998033239A1 (fr) * 1997-01-25 1998-07-30 Robert Bosch Gmbh Element d'accouplement d'une connexion electrique enfichable
US20040192122A1 (en) * 2003-01-20 2004-09-30 Daniel Bischoff Electrical contact element

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BE631501A (fr) * 1963-04-26
US3371308A (en) * 1965-12-30 1968-02-27 Itt Socket contact c spring
DE6609819U (fr) * 1967-04-07 1972-09-21 Pfisterer K Fabrik Elektrotechnischer Spezialartikel
AU6777474A (en) * 1973-04-16 1975-10-16 Utilux Pty Ltd Femal receptacle connector
DE19606827A1 (de) * 1995-03-22 1996-09-26 Grote & Hartmann Steckkontakthülse
EP1089387A3 (fr) * 1999-09-27 2001-12-19 F.C.I. - Framatome Connectors International Borne électrique femelle modulaire

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4316902A1 (de) * 1992-05-21 1993-11-25 Pierre Drogo Elektrischer Verbinder und wenigstens einen solchen Verbinder aufweisende elektrische Verbindungsvorrichtung
DE9305881U1 (de) * 1993-04-20 1993-08-26 Bals Elektrotechnik Gmbh & Co Kontakthülse
DE4446376A1 (de) * 1994-12-23 1996-06-27 Kostal Leopold Gmbh & Co Kg Elektrischer Steckverbinder
WO1998033239A1 (fr) * 1997-01-25 1998-07-30 Robert Bosch Gmbh Element d'accouplement d'une connexion electrique enfichable
US20040192122A1 (en) * 2003-01-20 2004-09-30 Daniel Bischoff Electrical contact element

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107634364A (zh) * 2017-09-22 2018-01-26 深圳连浩通科技发展有限公司 一种插孔接触件
CN107634364B (zh) * 2017-09-22 2023-12-12 深圳连浩通科技发展有限公司 一种插孔接触件
WO2019176539A1 (fr) * 2018-03-15 2019-09-19 株式会社オートネットワーク技術研究所 Borne de connexion et corps de connexion de borne
US11165180B2 (en) 2018-03-15 2021-11-02 Autonetworks Technologies, Ltd. Connection terminal and terminal connection body
CN114171956A (zh) * 2021-11-26 2022-03-11 北京海博思创科技股份有限公司 换电连接器及电动汽车
CN114171956B (zh) * 2021-11-26 2023-07-04 北京海博思创科技股份有限公司 换电连接器及电动汽车

Also Published As

Publication number Publication date
EP2031707A3 (fr) 2010-08-25
DE102007042194A1 (de) 2009-03-05

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