EP2681807B1 - High current connector with contact made by ring spring - Google Patents

High current connector with contact made by ring spring Download PDF

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Publication number
EP2681807B1
EP2681807B1 EP11805426.1A EP11805426A EP2681807B1 EP 2681807 B1 EP2681807 B1 EP 2681807B1 EP 11805426 A EP11805426 A EP 11805426A EP 2681807 B1 EP2681807 B1 EP 2681807B1
Authority
EP
European Patent Office
Prior art keywords
contact
mounting rail
type connector
annular helical
helical spring
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.)
Active
Application number
EP11805426.1A
Other languages
German (de)
French (fr)
Other versions
EP2681807A1 (en
Inventor
Willem Blakborn
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.)
Rosenberger Hochfrequenztechnik GmbH and Co KG
Original Assignee
Rosenberger Hochfrequenztechnik GmbH and 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 Rosenberger Hochfrequenztechnik GmbH and Co KG filed Critical Rosenberger Hochfrequenztechnik GmbH and Co KG
Publication of EP2681807A1 publication Critical patent/EP2681807A1/en
Application granted granted Critical
Publication of EP2681807B1 publication Critical patent/EP2681807B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/187—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
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular 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
    • 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 a high current connector for transmitting electrical currents according to the preamble of claim 1.
  • Such high-current connectors which are used for transmitting in particular high electric currents, for example, with a current of 100-400 A or more, find u. a. in motor vehicles with electric drive or hybrid drive application.
  • the high-current connector has a housing into which a contact blade can be inserted as a mating connector. Both the housing and the contact blade are made of an electrically conductive material and connected to a corresponding cable for conducting electrical power.
  • the pamphlets US 2006/270277 A1 and US 2010/216354 U1 respectively describe connectors for transmitting electrical currents with a receptacle with annular contact elements in the form of springs.
  • the invention is therefore based on the object, the high-current connector of the generic type to eliminate the disadvantages described in such a way that in each operating condition a reliable electrical contact is achieved.
  • the high-current connector according to the invention is configured such that the contact element, which is arranged and formed in the housing such that it makes an electrical contact with contact surface and contact pressure between the housing and the mating connector inserted therein, has at least one annular coil spring.
  • This coil spring is used according to the invention in a U-shaped groove which is formed in an arranged in the housing, electrically conductive support rail and receives the coil spring such that it forms two parallel main leg for contacting receiving the mating connector.
  • the mounting rail which preferably consists of copper. This additionally improves the electrical contact between mating connector and mounting rail or housing.
  • a support rail 1 is provided for the high-current connector, which consists of electrically conductive material, such as copper and in a housing, not shown, also consisting of electrically conductive material, is arranged.
  • the mounting rail 1 has a kabei discoveredes end 2 for electrical and mechanical connection to an electric power cable, not shown.
  • a sword-shaped mating connector 4 made of electrically conductive material.
  • three coil springs 5 are provided, which, as from FIG. 2 seen, have the form of spring washers and their turns 6 are angled.
  • the coil springs 5 are respectively inserted into U-shaped grooves 7, which are formed in the contact point 3 and have such a clear width that the screw ring springs 5, when they are inserted into the U-shaped grooves 7 of the contacting 3, respectively form two parallel main leg for contacting receiving the mating connector 4 and this mating connector 4 with sufficient contact pressure record how out FIG. 8 seen.
  • This highly effective contact between the mating connector 4 and the screw ring springs 5 is quite significantly supported by the fact that the screw ring springs 5, as set forth, have obliquely angled extending turns 6.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Description

Die Erfindung betrifft einen Hochstromsteckverbinder zum Übertragen von elektrischen Strömen gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a high current connector for transmitting electrical currents according to the preamble of claim 1.

Derartige Hochstromsteckverbinder, die zum Übertragen von insbesondere hohen elektrischen Strömen, beispielsweise mit einer Stromstärke von 100-400 A oder mehr, dienen, finden u. a. in Kraftfahrzeugen mit Elektroantrieb oder Hybridantrieb Anwendung. Hierbei weist der Hochstromsteckverbinder ein Gehäuse auf, in den ein Kontaktschwert als Gegensteckverbinder einsteckbar ist. Sowohl das Gehäuse als auch das Kontaktschwert sind aus einem elektrisch leitfähigen Werkstoff gefertigt und mit einem entsprechenden Kabel zum Leiten von elektrischem Strom verbunden.Such high-current connectors, which are used for transmitting in particular high electric currents, for example, with a current of 100-400 A or more, find u. a. in motor vehicles with electric drive or hybrid drive application. Here, the high-current connector has a housing into which a contact blade can be inserted as a mating connector. Both the housing and the contact blade are made of an electrically conductive material and connected to a corresponding cable for conducting electrical power.

Bei derartigen Hochstromsteckverbindern besteht nun die Anforderung, dass bei niedrigem Bauraumbedarf eine zuverlässige elektrische Kontaktierung zwischen dem Gehäuse und dem Gegensteckverbinder erzielt wird, wobei diese Kontaktierung gewährleisten soll, dass auch bei hoher Belastung mit mechanischen Vibrationen hohe elektrische Ströme funktionssicher übertragen werden, ohne dass dabei die Kontaktstellen einem nennenswerten Verschleiß, beispielsweise durch Abrieb, unterworfen sind.In such Hochstromsteckverbindern there is now the requirement that with low space requirements, a reliable electrical contact between the housing and the mating connector is achieved, this contact is to ensure that high electrical currents are reliably transmitted even at high loads with mechanical vibrations, without causing the Contact points a significant wear, for example, by abrasion, are subjected.

Dieses Erfordernis ist bei den bisher bekannten Hochstromsteckverbindern noch nicht in befriedigender Weise erfüllt, was insbesondere auf die unzureichende elektrische Kontaktierung zurückzuführen ist.This requirement is not satisfied satisfactorily in the previously known high-current connectors, which is due in particular to the inadequate electrical contact.

Die Druckschrift US 2004/224572 A1 offenbart einen Hochstromsteckverbinder zum Übertragen von elektrischen Strömen mit einem Steckverbinder und einem Gegensteckverbinder und mit einem Kontaktelement in Form einer Feder.The publication US 2004/224572 A1 discloses a high-current connector for transmitting electrical currents with a connector and a mating connector and with a contact element in the form of a spring.

Die Druckschriften US 2006/270277 A1 und US 2010/216354 U1 beschreiben jeweils Steckverbinder zum Übertragen von elektrischen Strömen mit einer Aufnahme mit ringförmigen Kontaktelementen in Form von Federn.The pamphlets US 2006/270277 A1 and US 2010/216354 U1 respectively describe connectors for transmitting electrical currents with a receptacle with annular contact elements in the form of springs.

Der Erfindung liegt daher die Aufgabe zu Grunde, den Hochstromsteckverbinder der gattungsgemäßen Art zur Beseitigung der geschilderten Nachteile derart auszugestalten, dass in jedem Betriebszustand eine zuverlässige elektrische Kontaktierung erzielt wird.The invention is therefore based on the object, the high-current connector of the generic type to eliminate the disadvantages described in such a way that in each operating condition a reliable electrical contact is achieved.

Die Merkmale der zur Lösung dieser Aufgabe geschaffenen Erfindung ergeben sich aus Anspruch 1. Vorteilhafte Ausgestaltungen hierzu sind in den weiteren Ansprüchen beschrieben.The features of the invention to solve this problem emerge from claim 1. Advantageous embodiments thereof are described in the further claims.

Der Hochstromsteckverbinder gemäß der Erfindung ist derart ausgestaltet, dass das Kontaktelement, das in dem Gehäuse derart angeordnet und ausgebildet ist, dass es einen elektrischen Kontakt mit Kontaktfläche und Kontaktdruck zwischen dem Gehäuse und dem hierin eingesteckten Gegensteckverbinder herstellt, wenigstens eine ringförmige Schraubenfeder aufweist.The high-current connector according to the invention is configured such that the contact element, which is arranged and formed in the housing such that it makes an electrical contact with contact surface and contact pressure between the housing and the mating connector inserted therein, has at least one annular coil spring.

Diese Schraubenringfeder ist erfindungsgemäß in eine U-förmige Rille eingesetzt, die in einer im Gehäuse angeordneten, elektrisch leitenden Halterungsschiene ausgebildet ist und die Schraubenfeder derart aufnimmt, dass diese zwei parallel verlaufende Hauptschenkel zur kontaktierenden Aufnahme des Gegensteckverbinders bildet.This coil spring is used according to the invention in a U-shaped groove which is formed in an arranged in the housing, electrically conductive support rail and receives the coil spring such that it forms two parallel main leg for contacting receiving the mating connector.

Hierdurch ergibt sich der entscheidende Vorteil, dass bei besonders niedrigem Bauraumbedarf eine zuverlässige elektrische Kontaktierung zwischen dem Gehäuse und dem Gegensteckverbinder zur Verfügung steht, welche auch bei hoher Belastung mit mechanischer Vibrationen funktionssicher hohe elektrische Ströme überträgt, ohne dass dabei die Kontaktstellen einem nennenswerten Verschleiß, beispielsweise durch Abrieb, unterworfen sind.This results in the decisive advantage that with a particularly low space requirement a reliable electrical contact between the housing and the mating connector is available, which functionally reliable high electrical currents even at high loads with mechanical vibrations transmits, without causing the contact points a significant wear, for example, by abrasion, are subjected.

In Ausgestaltung der Erfindung kann vorgesehen sein, dass in der Halterungsschiene, die bevorzugt aus Kupfer besteht, drei hintereinander angeordnete Schraubenringfedern vorgesehen sind. Dies verbessert in zusätzlicher Weise die elektrische Kontaktierung zwischen Gegensteckverbinder und Halterungsschiene bzw. Gehäuse.In an embodiment of the invention can be provided that three successively arranged screw ring springs are provided in the mounting rail, which preferably consists of copper. This additionally improves the electrical contact between mating connector and mounting rail or housing.

Weitere Vorteile ergeben sich, wenn die Schraubenringfedern schräggewinkelte Windungen aufweisen. Hierdurch wird der vorteilhafte Effekt erzielt, dass sich ein besonders hoher Kontaktdruck zwischen dem Gegensteckverbinder und der Halterungsschiene ergibt.Further advantages arise when the coil springs have obliquely angled turns. As a result, the advantageous effect is achieved that results in a particularly high contact pressure between the mating connector and the mounting rail.

Die Erfindung wird im Folgenden anhand der Zeichnungen näher erläutert.The invention will be explained in more detail below with reference to the drawings.

Hierbei zeigen:

Figur 1
perspektivisch die zur Anordnung in einem Gehäuse des Hochstromsteckverbinders vorgesehene elektrisch leitende Halterungsschiene mit hierin eingesetzten drei Schraubenringfedern und einem Gegensteckverbinder beim Einsteckvorgang;
Figur 2
perspektivisch drei Schraubenringfedern kurz vor dem Einsetzen in U-förmige Rillen der Halterungsschiene;
Figur 3
perspektivisch vergrößert die in die Rillen der Halterungsschiene eingesetzten Schraubenringfedern;
Figur 4
perspektivisch vergrößert den Gegensteckverbinder kurz vor dem Einstecken in die parallel verlaufenden Hauptschenkel der Schraubenringfedern;
Figur 5
in Draufsicht die in die Rillen der Halterungsschiene eingelegten Schraubenfedern mit dem Gegensteckverbinder kurz vor dem Einstecken; und
Figur 6
mit eingestecktem Gegensteckverbinder;
Figur 7
die in die Rillen der Halterungsschiene eingelegten Schraubenringfedern im Schnitt gemäß.Linie VII-VII nach Figur 3 und
Figur 8
mit eingestecktem Gegensteckverbinder.
Hereby show:
FIG. 1
in perspective, the provided for arrangement in a housing of the high-current connector electrically conductive mounting rail with three screw ring springs inserted therein and a mating connector during the insertion process;
FIG. 2
in perspective, three screw ring springs just before insertion into U-shaped grooves of the mounting rail;
FIG. 3
in perspective enlarges the inserted into the grooves of the support rail screw coil springs;
FIG. 4
in perspective enlarges the mating connector just before plugging into the parallel main leg of the screw ring springs;
FIG. 5
in plan view, the inserted into the grooves of the support rail coil springs with the mating connector just before insertion; and
FIG. 6
with plugged mating connector;
FIG. 7
the screwed ring springs inserted into the grooves of the mounting rail are cut in line with the line VII-VII FIG. 3 and
FIG. 8
with inserted mating connector.

Wie aus der Zeichnung, beispielsweise aus Figuren 1 und 2 ersichtlich, ist für den Hochstromsteckverbinder eine Halterungsschiene 1 vorgesehen, die aus elektrisch leitendem Material, beispielsweise Kupfer besteht und in einem nicht näher dargestellten Gehäuse, gleichfalls aus elektrisch leitendem Werkstoff bestehend, angeordnet ist. Die Halterungsschiene 1 weist ein kabeiseitiges Ende 2 zum elektrischen und mechanischen Verbinden mit einem nicht näher dargestellten elektrischen Stromkabel auf.As seen from the drawing, for example FIGS. 1 and 2 can be seen, a support rail 1 is provided for the high-current connector, which consists of electrically conductive material, such as copper and in a housing, not shown, also consisting of electrically conductive material, is arranged. The mounting rail 1 has a kabeiseitiges end 2 for electrical and mechanical connection to an electric power cable, not shown.

An dem dem kabelseitigen Ende 2 der Halterungsschiene 1 gegenüberliegenden Ende ist eine Kontaktierungsstelle 3 vorgesehen, die derart ausgebildet und angeordnet ist, dass sie einen schwertförmigen Gegensteckverbinder 4 aus elektrisch leitendem Werkstoff aufnimmt.At the cable end 2 of the support rail 1 opposite end of a contacting 3 is provided, which is designed and arranged such that it receives a sword-shaped mating connector 4 made of electrically conductive material.

Als Kontaktelement zwischen der gehäuseseitigen Halterungsschiene 1 und dem Gegensteckverbinder 4 sind drei Schraubenfedern 5 vorgesehen, die, wie aus Figur 2 ersichtlich, die Form von Federringen aufweisen und deren Windungen 6 schräggewinkelt sind. Die Schraubenfedern 5 sind jeweils in U-förmige Rillen 7 eingelegt, die in der Kontaktierungsstelle 3 ausgebildet sind und eine solche lichte Weite aufweisen, dass die Schraubenringfedern 5 dann, wenn sie in die-U-förmigen Rillen 7 der Kontaktierungsstelle 3 eingelegt sind, jeweils zwei parallel verlaufende Hauptschenkel zur kontaktierenden Aufnahme des Gegensteckverbinders 4 bilden und diesen Gegensteckverbinder 4 auch mit ausreichendem Kontaktdruck aufnehmen, wie aus Figur 8 ersichtlich. Diese hochwirksame Kontaktierung zwischen dem Gegensteckverbinder 4 und den Schraubenringfedern 5 wird ganz wesentlich noch dadurch unterstützt, dass die Schraubenringfedern 5, wie dargelegt, schräggewinkelt verlaufende Windungen 6 aufweisen.As a contact element between the housing side mounting rail 1 and the mating connector 4, three coil springs 5 are provided, which, as from FIG. 2 seen, have the form of spring washers and their turns 6 are angled. The coil springs 5 are respectively inserted into U-shaped grooves 7, which are formed in the contact point 3 and have such a clear width that the screw ring springs 5, when they are inserted into the U-shaped grooves 7 of the contacting 3, respectively form two parallel main leg for contacting receiving the mating connector 4 and this mating connector 4 with sufficient contact pressure record how out FIG. 8 seen. This highly effective contact between the mating connector 4 and the screw ring springs 5 is quite significantly supported by the fact that the screw ring springs 5, as set forth, have obliquely angled extending turns 6.

Hinsichtlich vorstehend nicht näher erläuterter Merkmale der Erfindung wird ausdrücklich auf die Ansprüche sowie die Zeichnungen verwiesen.'With regard to the above unspecified explained features of the invention, reference is expressly made to the claims and the drawings.

Claims (3)

  1. High-current insertion-type connector for transmitting electrical currents, having a mounting rail (1) of electrically conductive material which is designed for mechanical and electrical connection to a cable and which has an open end for the insertion of a mating insertion-type connector (4) made of an electrically conductive material, and having a contact-making member which is so arranged and formed in the mounting rail (1) that it makes electrical contact with a contact surface and produces contact-making pressure between the mounting rail (1) and the mating insertion-type connector (4) inserted therein, the contact-making member having at least one annular helical spring (5), characterised in that the annular helical spring (5) is inserted in a groove (7) extending in a U-shape which is formed by a U-shaped contact-making point (3) on the mounting rail (1) and which receives the annular helical spring (5) in such a way that the latter forms two main sub-divisions extending in parallel to receive the mating insertion-type connector (4) and make contact with it.
  2. High-current insertion-type connector according to claim 1, characterised in that three annular helical springs (5) arranged one behind the other are provided in the mounting rail (1).
  3. High-current insertion-type connector according to one of the preceding claims, characterised in that the annular helical spring(s) (5) has/have windings (6) at an oblique angle.
EP11805426.1A 2011-03-04 2011-12-28 High current connector with contact made by ring spring Active EP2681807B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202011003555U DE202011003555U1 (en) 2011-03-04 2011-03-04 High current connector with ring spring contact
PCT/EP2011/006596 WO2012119631A1 (en) 2011-03-04 2011-12-28 High current connector comprising an annular spring contact

Publications (2)

Publication Number Publication Date
EP2681807A1 EP2681807A1 (en) 2014-01-08
EP2681807B1 true EP2681807B1 (en) 2014-11-26

Family

ID=44312159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11805426.1A Active EP2681807B1 (en) 2011-03-04 2011-12-28 High current connector with contact made by ring spring

Country Status (9)

Country Link
US (1) US8795005B2 (en)
EP (1) EP2681807B1 (en)
JP (2) JP2014510371A (en)
KR (1) KR101761762B1 (en)
CN (1) CN103493300B (en)
CA (1) CA2821276C (en)
DE (1) DE202011003555U1 (en)
TW (1) TWM433651U (en)
WO (1) WO2012119631A1 (en)

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JP6660561B2 (en) 2016-07-06 2020-03-11 株式会社オートネットワーク技術研究所 Terminal module and connector
DE102016221351A1 (en) * 2016-10-28 2018-05-03 Te Connectivity Germany Gmbh Flat contact socket with extension arm
FR3064824A1 (en) * 2017-03-28 2018-10-05 Valeo Japan Co., Ltd. CONNECTING TERMINAL FOR ELECTRICAL COMPRESSOR
CN107069248A (en) * 2017-04-26 2017-08-18 北京新能源汽车股份有限公司 Electric connector and vehicle with same
WO2022106026A1 (en) 2020-11-20 2022-05-27 Hitachi Energy Switzerland Ag Electrical connector having an annular contact

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Also Published As

Publication number Publication date
CA2821276A1 (en) 2012-09-13
EP2681807A1 (en) 2014-01-08
JP2016192410A (en) 2016-11-10
KR101761762B1 (en) 2017-07-26
DE202011003555U1 (en) 2011-05-26
WO2012119631A1 (en) 2012-09-13
CN103493300B (en) 2017-12-08
CA2821276C (en) 2018-08-21
CN103493300A (en) 2014-01-01
TWM433651U (en) 2012-07-11
US8795005B2 (en) 2014-08-05
JP2014510371A (en) 2014-04-24
KR20140006853A (en) 2014-01-16
US20130330981A1 (en) 2013-12-12

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