WO2014076122A1 - Élément carte pourvu d'un alésage embouti pour contacts à encastrer - Google Patents

Élément carte pourvu d'un alésage embouti pour contacts à encastrer Download PDF

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Publication number
WO2014076122A1
WO2014076122A1 PCT/EP2013/073704 EP2013073704W WO2014076122A1 WO 2014076122 A1 WO2014076122 A1 WO 2014076122A1 EP 2013073704 W EP2013073704 W EP 2013073704W WO 2014076122 A1 WO2014076122 A1 WO 2014076122A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate element
recess
contact
collar portion
plate
Prior art date
Application number
PCT/EP2013/073704
Other languages
German (de)
English (en)
Inventor
Thomas Betz
Werner Biermann
Jean-Georges Kühm
Original Assignee
Walter Soehner 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 Walter Soehner Gmbh & Co. Kg filed Critical Walter Soehner Gmbh & Co. Kg
Priority to EP13791798.5A priority Critical patent/EP2920847A1/fr
Publication of WO2014076122A1 publication Critical patent/WO2014076122A1/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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the present invention relates to a plate member for carrying current with at least one recess for providing a contact for a contact element, wherein the plate member has a thickness. Furthermore, the present invention relates to a component arrangement with such a plate element. Furthermore, the present invention relates to a method for producing such a plate element of such a component arrangement.
  • Such plate elements and component arrangements are known in the art.
  • Such plate elements are for example also referred to as a "busbar” or as a “busbar” or as a "punched grid”.
  • the plate member is for connection to one or more contact elements, especially in high current applications. Usually holes are milled, drilled or punched in such known plate elements. In these holes, the contact elements are then welded or soldered to provide a cohesive connection, which carries the current from the contact element in the plate member.
  • a device for current guidance is known for example from the document DE 10 2004 006 575 A1, in which a power distributor for a motor vehicle is provided with at least one stamped grid, are pressed into the contacts.
  • the contacts are solderless connected to the stamped grid.
  • the contact surfaces in thin punched screens may be too small for the transmission of high currents.
  • the mechanical stability may not be sufficient.
  • An object of the present invention is to provide a plate member for power management, a component assembly and method for their respective production, which allow a material and cost savings.
  • the plate member can be formed per se with a thickness which is less than the entire depth of the recess or the hole or the bore.
  • the recess extending through the plate member and the collar portion may have a depth of 2 mm. Of this, for example, 1, 2 mm depth may be formed by the collar portion.
  • a thickness of the plate member then only a thickness of 0.8 mm is needed. Therefore, a material saving of over 50% can be achieved.
  • the plate member may be formed of copper, which is a relatively expensive raw material, whereby this material saving is significant and achieves a significant cost savings.
  • a “cutout” can be a through hole, but a “cutout” can also be a blind hole that is sufficiently deep-drawn with regard to the pressing in of the contact element.
  • the collar portion may be formed by cold forming, in particular by deep drawing.
  • a deep-drawing process is carried out; in high volumes, the significant material savings justify such a deep-drawing process.
  • a power-conducting component arrangement which has a plate element according to the first aspect of the invention or one of its embodiments, and wherein the component arrangement further comprises a contact element which, at least at one end, has at least one end. at least two leg portions, and wherein the at least two leg portions are each in contact with an inner surface of one of the at least one recess, in particular in the at least one recess are pressed.
  • a method of manufacturing a plate member comprising the steps of providing a plate member and deep drawing at least one collar portion surrounding a respective recess in the plate member. In principle, it is also possible to form the collar portion by other cold forming processes.
  • a method for producing a component assembly which first comprises an implementation of the method according to the third aspect of the invention or one of its embodiments and ultimately a step of pressing a at least two leg portions having at least two leg portions in a having at least one recess.
  • the collar portion extends from a surface of the plate member having a collar portion height and wherein the collar portion height is at least half the thickness of the plate member, in particular wherein the collar portion height twice the Thickness is.
  • a depth of at least one of the plate element and the clamping element at least 1.5 times the thickness of the plate member, in particular wherein the depth is 2 times the thickness.
  • the thickness is 0.8 mm, wherein the collar portion height is 1, 2 mm.
  • the thickness is 0.8 mm and the depth is 2 mm. In this way, a contact surface between the plate element and a contact element can be virtually doubled. This allows for deriving higher electrical currents or a material saving due to the reduced thickness of the plate member.
  • the plate member may be provided that the collar portion merges with a radius on a surface of the plate member.
  • the radius may be 0.2 mm.
  • a radius for the transition of the inner surface of the recess on the surface of the plate member This may for example also be 0.2 mm.
  • a surface quality of the plate member may be Ra 0.8.
  • a surface finish of the recess and / or collar portion may be Ra 0.05 to 3.0.
  • Ra stands for the average roughness in ⁇ .
  • the plate element is formed of copper. This is a highly conductive and high temperature resistant material.
  • the plate member may alternatively be formed of brass or silver.
  • At least one of the at least one recess is formed as a through hole penetrating the plate element and the collar portion.
  • a contact element can be pressed securely into the plate element.
  • a cross section of the at least one recess can be circular. Alternatively, other cross-sectional shapes are conceivable, for example. A rectangular or oval cross-section.
  • an inner surface of the at least one recess is coated with tin.
  • the contact element is also made of copper and neither the contact element nor the component element has a coating.
  • each leg portion having outwardly curved side surfaces, wherein a respective vertex of a curvature with the inner surface in contact.
  • the contact element has two opposite ends, wherein the contact element has at least two leg sections at each end. In this way, for example, two different plate elements can be easily connected.
  • the component arrangement has a single contact element with only one end, on which the at least two leg portions are formed. In this way, a targeted individual connection can be formed.
  • the at least two leg portions of the contact element are formed of copper.
  • leg portions which is also relatively elastic.
  • a copper alloy for producing at least the leg sections of the contact element as well as for producing the plate element.
  • a surface of the at least two leg sections is coated with tin.
  • the plate member and / or the at least one contact element is formed as a stamped grid.
  • a punched grid is a flat structure produced by punching. In the case of the plate element can then be introduced into this flat structure, for example by deep drawing of the at least one collar portion.
  • a common application for stamped grid is the creation of a system of electrical conductors in a single manufacturing step, made of a metal strip. The product then resembles a circuit board, as it is found in electronic mass-produced goods. In further refining steps, the stamped grid can be galvanically finished.
  • punched grid packages can be found in areas where high electrical currents must be distributed in a small space. Such power distribution come u. A. used in the car. Often punched grids are designed in such a way that a direct connection to a cable set via multi-pole plug connectors is possible. Discrete components, such as relays or fuses, can be mounted to a punched grid package by inserting suitable connectors.
  • the component arrangement has a plurality of contact elements grouped together by means of a rail portion having contact elements, and wherein the plate member is associated with a group of recesses, each having a collar portion.
  • the plate member is made of copper. Furthermore, it can be provided that, in a further step, an inner surface of the recess is tinned.
  • a plate member produced by a method of producing a plate member according to the third aspect of the invention.
  • a component assembly proposed by means of a method for producing a component assembly according to the fourth aspect of the invention.
  • Fig. 1 is a schematic cross-sectional view of an embodiment of a
  • FIG. 2 shows a schematic isometric view of a possible further embodiment of a plate element with a plurality of recesses
  • FIG. 3 is another isometric view of the plate member of FIG. 2;
  • Fig. 4 is a schematic cross-sectional view of an embodiment of a
  • 5 is a schematic plan view of a recess in an embodiment of a component arrangement
  • 6 is a schematic plan view of a recess in a further embodiment of a component arrangement
  • FIG. 7 is a schematic plan view of yet another embodiment of a component arrangement
  • FIG. 8 shows a schematic view of the shaping of a leg section along a line XIII-XIII in FIG. 4, FIG.
  • FIG. 12 shows yet another embodiment of a component arrangement
  • FIG. 13 is a detail view of a detail X in FIG. 12, and
  • FIG. 14 is a schematic flow diagram of a method for producing a plate element and a method for producing a component arrangement.
  • FIG. 1 shows a plate element 10 according to an embodiment of the present invention.
  • FIG. 1 shows a section of the plate element around a recess 12.
  • the plate member 10 at least one recess, but in particular a plurality of recesses.
  • the recess has an inner surface 14.
  • the recess has a circular cross-section, but basically any cross-sectional shape can be provided.
  • the recess is surrounded on one side 21 of the plate member 10 by a collar portion 16.
  • the recess 12 extends through a plate body 18 of the plate member 10 and the collar portion 16 therethrough.
  • the collar portion extends on the side 21 from a surface 20 of the plate body 18. From the plate surface 20, it thus projects around a collar portion height 25.
  • a thickness of the plate body 18 of the plate member 10 is indicated by the reference numeral 22.
  • a depth of the recess 12 is indicated by the reference numeral 24.
  • a diameter of the recess is indicated by the reference numeral 26.
  • a collar portion height 25 denotes the extent to which the collar portion 16 protrudes from the surface 20.
  • a thickness 22 of the plate body 18 may be about 0.8 mm.
  • the collar portion height 25 may be 1, 2 mm.
  • a diameter 26 of the recess 12 may also be 2 mm.
  • a surface finish of the plate assembly may be Ra 0.8.
  • a radius 28, with which the collar portion 16 merges with the surface 20, may be 0.2 mm.
  • the diameter 26 1, 45 mm and the total depth 24 1, 5 mm can also be provided that the diameter 26 1, 45 mm and the total depth 24 1, 5 mm.
  • the depth 24 is at least 1.5 times the thickness 22.
  • FIG. 2 shows an isometric view of an embodiment of a plate element 10. As shown, in principle a plurality of recesses 12 may be provided in the plate element 10. FIG. 3 shows a side facing away from the representation in FIG. 2. As shown, each recess 12 has a collar portion 16.
  • FIG. 4 shows an embodiment of a component arrangement 30.
  • a contact element 32 is pressed so that it reaches the position shown in FIG. 4.
  • the contact element 32 has two leg sections 34, 36, which come into contact with the inner surface 14 at least at contact points 40, 42 by being pressed in.
  • the leg portions 34, 36 are arranged at one end 37 of the contact element 32.
  • the leg sections 34, 36 have a surface 38.
  • the surface can be tinned.
  • the inner surface 14 and the leg portions 34, 36 may also be designed uncoated.
  • the plate member 10 may be formed of copper.
  • FIG. 5 shows a plan view of the recess 12.
  • a side face 39 of the leg section 34, 36 can be formed straight ahead, so that approximately the same as in FIG. 5 apparent conditioning of the leg portions 34, 36 results in the inner surface 14.
  • a cross-section of the leg portions 34, 36 may be formed such that two contact points 40, 40 'and 42, 42' result for each leg portion. In this way, a stable 4-point contact can be provided.
  • leg sections 48, 50 in principle more than two leg sections can be provided, namely further leg sections 48, 50.
  • the contact element can thus also have, for example, three or four leg sections in order to provide a plurality of contact points to the inner surface 14, as this is possible with two leg sections 34, 36.
  • FIG. 8 shows a schematic view along a line XIII-XIII, as would be configured in the embodiment in FIG. 6, for example. From Fig. 8 so that the configuration of the side surface 39 of the leg sections can be seen. As already described above, the side surfaces 39 have bulges 46. This results in addition contact points 52, 54 to the inner surface 14 of the recesses.
  • FIG. 9 shows a further embodiment of a contact element 32.
  • the contact element has at each of two opposite ends 74 and 76 at least two leg sections 34, 36 and 34 ', 36'.
  • a connecting body 32 is possible to arrange as two opposing plate elements 10.
  • FIG. 10 shows a group 80 of a plurality of contact elements 32, 32 ', 32 ", 32". These are connected to each other by means of a rail section. If, for example, high electrical currents, for example of 200 A, are to be accommodated, a rail section 78 with four contact elements 32, 32 ', 32 ", 32” can be used. Each contact elements 32, 32 ', 32 ", 32 can be provided with two each Schenkabismeen 34, 36.
  • a further embodiment of a component assembly 30 is shown.
  • a multiple press-in connection is formed, and each contact element 32, 32 ', 32" adapts to each recess 12 and each collar section 16 by deforming.
  • the increased contact lengths of the collar sections make it possible to pass very high currents on.
  • FIGS. 12 and 13 show a further embodiment of a component arrangement 30.
  • FIG. 13 shows a detailed view X in FIG. 12.
  • contact elements 32, 32 ' which are formed separately from each other, connected to the plate member 10.
  • the collar portions 16 are formed such that open collar portions 16 having an inner diameter 26 and the thickness 22 of the plate member 10 are formed from the sheet member 10 by tensile pressure forming.
  • the depth 24 is about twice as long as the thickness 22, d. H. 24 may in this case be 1, 8 times to 2.5 times as long as the thickness 22.
  • a contact element 32 has two bent leg sections 34, 36 lying opposite one another, which leave a leg gap 35 between them.
  • FIG. 14 shows schematic flowcharts of a method 60 for producing a plate element and a method 62 for producing a component arrangement.
  • the method 60 for producing a plate element begins in a starting step 64, wherein first in a step 66 a plate element is provided.
  • the collar portions 16 and the recesses 12 are then provided in the plate member 10 by deep drawing.
  • the recesses 12, in particular with a smaller diameter can also be provided before the deep-drawing, for example, can be introduced in advance in a casting of the plate element or in another manner.
  • the collar portions 16 are formed by deep drawing. This process then ends in a stop step 72. In principle, it may be provided after deep drawing to tin the inner surface 14 of the recesses 12.
  • first of all the steps 64, 66, 68 and possibly also a tinning are carried out.
  • a contact element described above with at least two leg portions. This contact element is pressed with the leg portions 34, 36 or additionally 48, 50 in one of the at least one recesses 12.
  • the process of press-fitting 70 can be repeated and thus a plurality of contact elements can be pressed into a respective recess.
  • a plurality of contact elements can be pressed into a respective recess.
  • nine recesses are provided and nine contact elements are pressed, each having a contact element in a recess.
  • the contact element 32 is connected, for example, with a stroke in about 0.1 seconds with the respective recess 12 and the associated collar portion 16. Due to the fact that an inner diameter 26 is smaller than an outer diameter 84 of the Schenk sections 34, 36 of the contact element 32, a very high press-in pressure results, which leads to a welding of the materials of the contact element 32 and the plate element 10 without affecting the temperature. The result is a direct, elastic connection with a very high specific electrical conductance. Due to the fact that a contact area has increased due to a collar portion 16, currents of, for example, 20 A and more can be forwarded, for example, in the case of a 12 V electrical system in a motor vehicle.
  • the method for producing a component arrangement then likewise ends in a stop step 72.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

L'invention concerne un élément carte (10) destiné à conduire le courant. Cet élément est pourvu d'au mois un évidement (12) destiné à fournir un logement de contact pour un élément de contact (32), l'élément carte (10) présentant une épaisseur (22). L'élément carte (10) comporte sur au moins une face (21) une section de rebord (16) entourant l'évidement ou les évidements (12). La présente invention concerne par ailleurs un ensemble de composants pourvus d'un tel élément carte, l'ensemble de composants comportant en outre un élément de contact, lequel comporte à une extrémité au moins deux sections formant branches, et les deux sections formant branches ou plus étant respectivement en contact avec une surface intérieure d'un des évidements. L'invention concerne par ailleurs un procédé de fabrication d'un élément carte et un procédé de fabrication d'un ensemble de composants.
PCT/EP2013/073704 2012-11-14 2013-11-13 Élément carte pourvu d'un alésage embouti pour contacts à encastrer WO2014076122A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13791798.5A EP2920847A1 (fr) 2012-11-14 2013-11-13 Élément carte pourvu d'un alésage embouti pour contacts à encastrer

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102012022531.8 2012-11-14
DE102012022531 2012-11-14
DE102013111963.8A DE102013111963A1 (de) 2012-11-14 2013-10-30 Plattenelement mit Tiefziehbohrung für Einpresskontakte
DE102013111963.8 2013-10-30

Publications (1)

Publication Number Publication Date
WO2014076122A1 true WO2014076122A1 (fr) 2014-05-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/073704 WO2014076122A1 (fr) 2012-11-14 2013-11-13 Élément carte pourvu d'un alésage embouti pour contacts à encastrer

Country Status (3)

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EP (1) EP2920847A1 (fr)
DE (1) DE102013111963A1 (fr)
WO (1) WO2014076122A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10700445B2 (en) 2015-01-08 2020-06-30 Raimund Huber Electrical functional component having a contact pin and method for producing an electrical functional component

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014117410B4 (de) * 2014-11-27 2019-01-03 Heraeus Deutschland GmbH & Co. KG Elektrisches Kontaktelement, Einpressstift, Buchse und Leadframe
EP3016208B1 (fr) * 2015-08-24 2019-11-20 Continental Teves AG & Co. OHG Dispositif électrique comprenant un agencement de contact et procédé de fabrication d'un encadrement d'un agencement de contact.
DE102015119785B4 (de) 2015-11-04 2020-03-26 ept Holding GmbH & Co. KG Lochkontur für Einpresstechnik in ein Stanzgitter
DE102016115173A1 (de) * 2016-08-16 2018-02-22 Abb Schweiz Ag Dünner Leiter mit Durchgängen

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1391965A1 (fr) * 2002-08-22 2004-02-25 Wago Verwaltungsgesellschaft mbH Borne à ressort pour conducteur électrique
WO2005079127A1 (fr) 2004-02-11 2005-08-25 Conti Temic Microelectronic Gmbh Composant electrique comprenant une fiche de contact electroconductrice et destine a etre enfonce dans un orifice d'une carte de circuits imprimes
DE102004006575A1 (de) 2004-02-11 2005-09-01 Leopold Kostal Gmbh & Co Kg Leistungsverteiler für ein Kraftfahrzeug
US20050204538A1 (en) * 2004-03-19 2005-09-22 Epic Technology Inc. Contact and method for making same
EP1944834A2 (fr) * 2007-01-10 2008-07-16 Delphi Technologies, Inc. Broche flexible
DE102008024366A1 (de) * 2008-05-20 2009-11-26 Phoenix Contact Gmbh & Co. Kg Durchführungsklemme
DE102010033808A1 (de) * 2010-08-09 2012-02-09 Phoenix Contact Gmbh & Co. Kg Anschlussklemme

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1391965A1 (fr) * 2002-08-22 2004-02-25 Wago Verwaltungsgesellschaft mbH Borne à ressort pour conducteur électrique
WO2005079127A1 (fr) 2004-02-11 2005-08-25 Conti Temic Microelectronic Gmbh Composant electrique comprenant une fiche de contact electroconductrice et destine a etre enfonce dans un orifice d'une carte de circuits imprimes
DE102004006575A1 (de) 2004-02-11 2005-09-01 Leopold Kostal Gmbh & Co Kg Leistungsverteiler für ein Kraftfahrzeug
US20050204538A1 (en) * 2004-03-19 2005-09-22 Epic Technology Inc. Contact and method for making same
EP1944834A2 (fr) * 2007-01-10 2008-07-16 Delphi Technologies, Inc. Broche flexible
DE102008024366A1 (de) * 2008-05-20 2009-11-26 Phoenix Contact Gmbh & Co. Kg Durchführungsklemme
DE102010033808A1 (de) * 2010-08-09 2012-02-09 Phoenix Contact Gmbh & Co. Kg Anschlussklemme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10700445B2 (en) 2015-01-08 2020-06-30 Raimund Huber Electrical functional component having a contact pin and method for producing an electrical functional component

Also Published As

Publication number Publication date
EP2920847A1 (fr) 2015-09-23
DE102013111963A1 (de) 2014-05-15

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