WO2012076101A1 - Connecteur haute puissance - Google Patents

Connecteur haute puissance Download PDF

Info

Publication number
WO2012076101A1
WO2012076101A1 PCT/EP2011/005675 EP2011005675W WO2012076101A1 WO 2012076101 A1 WO2012076101 A1 WO 2012076101A1 EP 2011005675 W EP2011005675 W EP 2011005675W WO 2012076101 A1 WO2012076101 A1 WO 2012076101A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
contact portion
connection
connector according
spring element
Prior art date
Application number
PCT/EP2011/005675
Other languages
German (de)
English (en)
Inventor
Hubertus Goesmann
Hubertus Petz
Axelle Hauck
Original Assignee
Bayerische Motoren Werke Aktiengesellschaft
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 Bayerische Motoren Werke Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Priority to EP11785336.6A priority Critical patent/EP2649684B1/fr
Priority to CN201180051213.1A priority patent/CN103181032B/zh
Publication of WO2012076101A1 publication Critical patent/WO2012076101A1/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
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • 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

Definitions

  • the invention relates to a high current (HS) connector for currents of more than 100 amperes, in particular of more than 200 amps.
  • a HS connector comprises a first connection element comprising a first contact section and a first connection section.
  • the HS connector has a second connecting element, which comprises a second contact portion and a second connecting portion.
  • a spring element arranged between the first and the second contact section is provided for establishing an electrical connection between the first and the second connection element.
  • the first and second connecting portions are each connected to an electrical conductor.
  • High current connectors are used for example for the electrical connection of energy storage modules of an energy storage in motor vehicles.
  • Such energy storage are used, inter alia, in battery-powered motor vehicles and in such vehicles, which can be operated both electrically and by internal combustion engine. Due to the high power required by drive motors and a not arbitrarily high voltage of the energy storage can occur in such energy storage very high currents during operation.
  • screwed connections are used for the electrical connection of individual components, but also those in which two connecting elements are connected by a plug connection.
  • Known high-current connectors include in the first connection element a round or rectangular metal housing into which a corresponding second connection element, which is formed as a circular bolt or rectangular sword, can be introduced.
  • a spring element for example in the form of a contact blade, is arranged between these contact partners.
  • the spring element is mechanically mechanically connected to one of the two contact partners. Attached to the connecting elements are respective cables which at their respective other end are connected to an electrical component of the energy supply. Memory, a powered by the energy storage electrical component or another connection element are connected.
  • the known HS connectors have due to the metal housing used, which receives the bolt or the sword, the disadvantage that they always have a three-layer construction in cross section when inserted pin or sword. Since the HS connector still has to be provided with insulation to the outside to ensure contact protection and protection against malfunctions, the required installation space of the HS connectors is very large.
  • the invention provides a high current (HS) connector for currents greater than 100 amperes, more particularly greater than 200 amperes, with a first connection element, a second connection element and a spring element.
  • the first spring element comprises a first contact portion and a first connection portion.
  • the second connection element comprises a second contact section and a second connection section.
  • the spring element is arranged between the first and the second contact section for establishing an electrical connection between the first and the second connecting element.
  • the first and second connecting portions are each connected to an electrical conductor.
  • the HV connector is characterized in that the first and the second contact portion are each formed as flat pieces. On a front side of the first contact portion is a first, planar contact surface and on a front side of the second contact portion, a second, planar contact surface is formed. It is Finally, between the first and second contact surface, the spring element clamped to the electrical connection of the first and the second contact portion.
  • the HV connector - in cross-section - can be constructed with only two layers, whereby the required space compared to conventional HS connectors are reduced can.
  • a HS connector according to the invention is compared to the known HS connectors, a reduced (in the worst case, half) contact surface of the first and second contact portion available. This is compensated by the fact that almost the entire theoretically possible contact area between the first and second contact surfaces of the first and second contact sections is used for producing an electrical connection by a corresponding shape of the spring element.
  • the first and the second contact portion are connected to each other by a positive engagement, which is produced by a displacement of the first contact portion relative to the second contact portion parallel to the planes of the first and the second contact surface, wherein by a force generated by the spring element perpendicular to the planes of the first and second contact surface, a release of the two contact portions is prevented.
  • a positive engagement which is produced by a displacement of the first contact portion relative to the second contact portion parallel to the planes of the first and the second contact surface, wherein by a force generated by the spring element perpendicular to the planes of the first and second contact surface, a release of the two contact portions is prevented.
  • the first and / or the second contact section has at least one recess into which associated first tabs of the other contact section project, which lie in the plane or parallel to the plane of the other contact section.
  • a positive connection is provided outside the contact surfaces or sections, which provide the desired two-day structure of the invention.
  • suitable HS connector allows.
  • the second and / or the first contact portion has at least one second tab, which engage around the other contact portion in a form-fitting manner, the second tabs lying in a parallel plane of the associated contact portion.
  • a further embodiment provides that the clamping of the first and second contact portion for producing the electrical connection of the first and second contact portion is effected by a housing surrounding the connector.
  • an insulation of the HS connector can be provided simultaneously.
  • the use of a housing surrounding the connector also has the consequence that configurations for the positive connection of the first and second contact portion can optionally be omitted.
  • the first and / or the second connecting part can be produced by a punch-bending process or equivalent methods.
  • Such manufacturing methods have the advantage that the HS connectors can be manufactured in a simple and cost-effective manner.
  • the first connecting part is made of aluminum (Al) or alloys thereof.
  • the second connection part is preferably made of copper (Cu) or nickel (Ni) or alloys thereof.
  • Cu copper
  • Ni nickel
  • other materials or material combinations are conceivable.
  • the aforementioned preferred materials have already proven themselves in HS connectors, so that no contact deterioration is to be expected even over long periods of use.
  • the electrical conductors are welded to a respective connecting portion of the first and / or the second connecting part or are connected by means of a crimp connection.
  • the electrical conductors may be formed, for example, in the form of cables or strands or foils.
  • the spring element has a number of fins.
  • the fins the spring properties of the spring element are favored.
  • a secure and large-area contact between the contact portions of the first and second connecting element can be ensured by the number of fins, whereby the desired current carrying capacity is provided.
  • Another advantage of a lamella having spring element consists in the simple
  • the spring element is a. stamped sheet metal.
  • the spring element can be provided with particularly favorable production costs.
  • the spring element extends at least in sections substantially parallel to the planes of the first and the second contact surface. In this way, a very large-area contact between the contact surfaces of the contact portions of the connecting elements can be provided. The larger the contact surfaces can be formed, the greater the current carrying capacity of the HS connector.
  • the spring element is mechanically connected to the first contact portion or the second contact portion. This favors the production of the connector by a relative movement of the first and second connecting element to each other.
  • FIG. 1 is a schematic, perspective view of a first embodiment of an HS connector according to the invention
  • 2 is a cross-sectional view of the HS connector of FIG. 1
  • FIG. 3 is a schematic, perspective view of a second embodiment of an HS connector according to the invention.
  • Fig. 4 is a cross-sectional view of the HS connector of Fig. 3, and
  • Fig. 5 is a schematic, perspective view of a third embodiment of an HS connector according to the invention.
  • Fig. 1 shows a schematic, perspective view of a high current (HS) plug connector according to the invention.
  • the HV connector is suitable for currents in excess of 100 amperes, or even more than 200 amperes. Currents of this magnitude occur, for example, in energy stores for drive machines in motor vehicles.
  • the HV connector comprises a first connection element 10 and a second connection element 20 corresponding thereto.
  • the first connection element 10 has a first contact section 11 and a first connection section 12.
  • Connected to the first connection section 12 is an electrical conductor 13, which is not shown in greater detail in the figure and is designed, for example, in the form of a flat cable or a foil.
  • the second connecting element 20 comprises a second contact section 21 and a second connecting section 22.
  • the second connecting section 22 is connected, for example, on its front side to an electrical conductor 23 in the form of a foil.
  • first connection part 10 is made of aluminum or an aluminum alloy
  • second connection part 20 is preferably made of copper or nickel or an alloy of one or both materials thereof. This material combination for connectors is proven in terms of contact transition and durability.
  • both the first contact portion 11 and the second contact portion 21 have respective first and second contact surfaces 11A, 21A.
  • the contact surfaces 11A, 21A are, when the first and the second connection element 10, 20 are connected to each other, facing each other.
  • the production of an electrical connection is made exclusively via the mutually facing contact surfaces 1 1 A, 21 A, between which a trained as a contact blade spring element 30 is arranged. Via the spring element 30 there is a large-area connection of the two contact surfaces 1 1A, 21A, whereby the required currents of more than 100 amps or more than 200 amps can be transmitted with only slight losses between the contact sections 1 1, 21.
  • the spring element 30 preferably has a multiplicity of lamellae for simultaneous good current transmission and for exercising a force perpendicular to the planes of the contact surfaces 11A, 21A.
  • the plurality of lamellae can be designed, for example, essentially parallel to one another.
  • the lamellae can be produced, for example, by a punching process of a sheet-metal part which is flat as a starting material.
  • the stamped sheet metal can be shaped by means of corresponding bending operations into, for example, a wave-like or otherwise suitable shape.
  • the spring element in cross-section (ie in a side view according to Figures 2 and 4) has a substantially curved configuration in which For example, “feet" of the spring element are supported on the contact surface 21A of the contact section 21, while a “belly” connecting the feet rests as long as possible on the contact surface 11A of the contact section 11 of the first connection element 10.
  • the area proportions of feet and stomach are about the same.
  • the individual contact blades of the spring element 30 may be formed wave or meandering.
  • the wave- or meander-shaped sections in this case run parallel to the plane of the contact surface 1 1A.
  • the first and the second contact section 11, 21 of the connecting elements 10, 20 are connected to one another by a positive connection.
  • the positive connection is made by a displacement of the first contact portion 1 1 relative to the second contact portion 21 parallel to the planes of the first and second contact surfaces 1 1 A, 21 A.
  • the spring element 30 is preferably mechanically connected to the first contact section 11 or to the second Contact portion 21 of the respective connecting element connected.
  • Such a connection can be realized for example by a clip or Crimpthetic. Also positive connections of spring element and one of the contact portions 11, 21 are in principle conceivable.
  • the mechanical connection of the connecting elements 10, 20 takes place laterally of the contact sections 11, 21.
  • a space-optimized connector is created, which takes up less space compared to the previously known three-layer connectors.
  • the high-current connector is surrounded by an insulating housing, for example made of plastic, at least in the region of the contact sections, and optionally the connecting sections.
  • the first and the second connecting elements 10, 20 are bent by reshaping such that a first tab 25 of the second connecting element 20 is formed by a recess (not explicitly recognizable) of the first Connecting element 10 protrudes.
  • the recess of the first connection element 10 is arranged in a transition section 17 which connects the contact section 11 with the connection section 12.
  • Connecting portion 12 and contact portion 11 lie in mutually parallel planes.
  • opposite side of the contact portion 11 is a over the entire width of the contact portion 11 extending tab 15 of the second tabs 26-1, 26-2 of the second connecting element 20 embraced.
  • the second tabs 26-1, 26-2 emerge from the plane of the contact section 21 in the direction of the first contact section 11 in such a way that the first tab 15 is acted upon by a force in the direction of the second connection element 20, which passes through the contact surface 11, 21 arranged spring element is caused.
  • the connecting portions 12, 22 of the first and second connecting element 10, 20 are arranged in mutually parallel, but different planes.
  • Another characteristic of this HS connector is that the electrical conductor 23 contacting the connecting portion 22 of the second connecting member is disposed laterally of the connection, while the electrical conductor 13 of the first connecting member 10 contacts the connecting portion 12 along a direction in which the Connecting portion and the contact portion 12, 11 extend.
  • Figures 3 and 4 show a second embodiment of an HS connector according to the invention.
  • the second embodiment of the HS connector according to the invention differs from the first embodiment by the different nature of the bends of the first connecting element 10.
  • the first and the second contact portion are connected by a positive connection, which by a displacement of the firstmaschineab- Section relative to the second contact portion parallel to the planes of the first and the second contact surface 11 A, 21 A can be produced.
  • the positive connection takes place concretely in turn laterally of the contact sections 11, 21.
  • the second connecting element 20 is L-shaped. At a short portion 27, which extends perpendicular to the plane of the contact portion 21 and is arranged at one end of the contact portion 21, two recesses 24-1, 24-2 are provided, in which first tabs 15-1, 15-2 of first connecting element 10 protrude. The first tabs 15-1, 15-2 are inclined out of the plane of the contact section 11 at an acute angle in the direction of the second connecting element 20. A first tab 25 of the second connecting element projects through a recess in the transition section 17 of the first connecting element 10. As a result, a simple production of the connection is also ensured at the same time low volume.
  • FIG. Fig. 5 shows an HV connector in a schematic, perspective view.
  • the second connecting element 20 has two juxtaposed second tabs 26-1, 26-2, which clasp the contact portion 11 of the first connecting element 10.
  • a spring element 30 is arranged between the first and the second connecting element 10, 20, a spring element 30 is arranged. Slats 31 of the spring element 30 extend in the direction of the tab receptacles of the second tabs 26-1, 26-2.
  • the tension of the first and second contact portion 11, 21 for the preparation of the electrical connection is effected by a not shown in Fig. 5, the connector surrounding housing.
  • the housing which is formed, for example, from an insulating plastic and at the same time provides for insulation of the plug connection, ensures a force absorption of the pushed into the housing interior contact portion 1 1 of the connecting element 10.
  • the housing is in this case with the exemplary tubular connection formed section 22 latched.
  • the connecting portion 22 is put over a correspondingly designed battery terminal of a memory cell 40 only for illustrative purposes and may be welded thereto, for example.
  • the invented HS connectors which are capable of carrying currents in excess of 100 or even 200 amperes are smaller and lighter than known HS connectors and can be manufactured at a lower cost.

Landscapes

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

Abstract

L'invention concerne un connecteur haute puissance (HS), pour des intensités supérieures à 100 A, en particulier, supérieures à 200 A. Le connecteur HS selon l'invention comprend un premier élément de connexion (10), qui comprend une première section de contact (11) et une première section de connexion (12), ainsi qu'un second élément de connexion (20), qui comprend une seconde section de contact (21) et une seconde section de connexion (22). En outre, le connecteur HS présente un élément élastique (30), disposé entre la première et la seconde section de contact (11, 21), pour la production d'une connexion électrique entre le premier et le second élément de connexion (10, 20), la première et la seconde section de connexion étant chacune raccordée avec un conducteur électrique (13, 23). La première et la seconde section de contact (11, 21) sont réalisées chacune sous la forme de pièces plates. Sur la face avant de la première section de contact, est formée une première surface de contact plane (11A), et sur la face avant de la seconde section de contact (21), est formée une seconde surface de contact plane (21A), ledit élément élastique (30) étant tendu exclusivement entre la première et la seconde surface de contact (11A, 21A), en vue d'assurer la connexion électrique de la première et de la seconde section de contact (11, 21).
PCT/EP2011/005675 2010-12-08 2011-11-11 Connecteur haute puissance WO2012076101A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11785336.6A EP2649684B1 (fr) 2010-12-08 2011-11-11 Connecteur haute puissance
CN201180051213.1A CN103181032B (zh) 2010-12-08 2011-11-11 高电流插接连接器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010062580.9 2010-12-08
DE102010062580A DE102010062580A1 (de) 2010-12-08 2010-12-08 Hochstrom-Steckverbinder

Publications (1)

Publication Number Publication Date
WO2012076101A1 true WO2012076101A1 (fr) 2012-06-14

Family

ID=45001694

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/005675 WO2012076101A1 (fr) 2010-12-08 2011-11-11 Connecteur haute puissance

Country Status (4)

Country Link
EP (1) EP2649684B1 (fr)
CN (1) CN103181032B (fr)
DE (1) DE102010062580A1 (fr)
WO (1) WO2012076101A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019131486A1 (de) * 2019-11-21 2021-05-27 Ford Global Technologies Llc Elektrische Kontaktanordnung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011085700A1 (de) * 2011-11-03 2013-05-08 Bayerische Motoren Werke Aktiengesellschaft Hochstrom-Steckverbinder für Kraftfahrzeuganwendungen
DE102011120235B4 (de) * 2011-12-05 2013-09-05 Audi Ag Verbindungsanordnung und Verfahren zumVerbinden zweier Leitungselemente
DE202017106590U1 (de) * 2017-10-30 2019-01-31 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme und Kontakteinsatz

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2633892A1 (de) * 1975-10-27 1977-05-05 Sprecher & Schuh Ag Elektrische steckverbindung
CH589946A5 (en) * 1975-03-07 1977-07-29 Sotax Ag Connector for busbars with corrugated contact surfaces - are either on plates or in hole in cylindrical socket and with crests of corrugations in contact with busbars
US4357070A (en) * 1979-07-30 1982-11-02 Tokai Electric Wire Company Limited Interlocking electric connectors
US5865638A (en) * 1995-12-21 1999-02-02 Alcoa Fujikura Ltd. Electrical connector

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2243034C2 (de) * 1972-09-01 1974-09-19 Multi-Contact Ag, Basel (Schweiz) Elektrische Kontaktanordnung
GB1469020A (en) * 1974-11-22 1977-03-30 Multilam Corp Electrical connector with standoff means
US5611696A (en) * 1994-12-14 1997-03-18 International Business Machines Corporation High density and high current capacity pad-to-pad connector comprising of spring connector elements (SCE)
FR2790331B1 (fr) * 1999-02-25 2001-06-01 Peugeot Citroen Automobiles Sa Dispositif de raccordement electrique d'un conducteur sur une surface de contact
CN1901289A (zh) * 2006-06-28 2007-01-24 广州市格宁电气有限公司 大电流插接式电气连接方法及连接元件

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH589946A5 (en) * 1975-03-07 1977-07-29 Sotax Ag Connector for busbars with corrugated contact surfaces - are either on plates or in hole in cylindrical socket and with crests of corrugations in contact with busbars
DE2633892A1 (de) * 1975-10-27 1977-05-05 Sprecher & Schuh Ag Elektrische steckverbindung
US4357070A (en) * 1979-07-30 1982-11-02 Tokai Electric Wire Company Limited Interlocking electric connectors
US5865638A (en) * 1995-12-21 1999-02-02 Alcoa Fujikura Ltd. Electrical connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019131486A1 (de) * 2019-11-21 2021-05-27 Ford Global Technologies Llc Elektrische Kontaktanordnung
DE102019131486B4 (de) * 2019-11-21 2021-06-10 Ford Global Technologies Llc Elektrische Kontaktanordnung

Also Published As

Publication number Publication date
CN103181032A (zh) 2013-06-26
CN103181032B (zh) 2016-05-11
EP2649684A1 (fr) 2013-10-16
EP2649684B1 (fr) 2020-10-21
DE102010062580A1 (de) 2012-06-14

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