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EP1950840B1 - Elément de contact - Google Patents

Elément de contact Download PDF

Info

Publication number
EP1950840B1
EP1950840B1 EP08000768A EP08000768A EP1950840B1 EP 1950840 B1 EP1950840 B1 EP 1950840B1 EP 08000768 A EP08000768 A EP 08000768A EP 08000768 A EP08000768 A EP 08000768A EP 1950840 B1 EP1950840 B1 EP 1950840B1
Authority
EP
European Patent Office
Prior art keywords
contact element
contact
abutment
screw
fastening
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.)
Not-in-force
Application number
EP08000768A
Other languages
German (de)
English (en)
Other versions
EP1950840A3 (fr
EP1950840A2 (fr
Inventor
Klaus Bäuerle
Frank Walter
Hermann Stadler
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.)
MC Technology GmbH
Original Assignee
MC Technology 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 MC Technology GmbH filed Critical MC Technology GmbH
Publication of EP1950840A2 publication Critical patent/EP1950840A2/fr
Publication of EP1950840A3 publication Critical patent/EP1950840A3/fr
Application granted granted Critical
Publication of EP1950840B1 publication Critical patent/EP1950840B1/fr
Not-in-force 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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/515—Terminal blocks providing connections to wires or cables
    • 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
    • H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
    • H01R43/0263—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections for positioning or holding parts during soldering or welding process
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/94—Electrical connectors including provision for mechanical lifting or manipulation, e.g. for vacuum lifting

Definitions

  • the invention relates to a contact element for printed circuit board terminals.
  • contact elements for printed circuit board terminals which have a clamping body, in which an input opening for insertion of a conductor and a screw for clamping attachment of the conductor is arranged in the clamping body. If such contact elements transported, there is a problem in that the screw is not secured in the clamp body and can be solved during transport, so there is a risk of loss of the screw.
  • From the DE 24 16 231 is an electrical terminal for connecting electrical conductors to a zero or earth potential-carrying busbar with a clamping body, which has an input opening for insertion of a conductor and a screw for clamping attachment of the conductor in the clamping body known.
  • the clamping body having an input opening for insertion of a conductor and a screw for clamping attachment of the conductor in the clamp body, which is provided with an additional piece having a designation area provides a backup of the screw causes a guide for a screwdriver allows and / or causes a tolerance compensation of juxtaposed, metallic clamping bodies.
  • the object of the invention is therefore to develop a contact element for printed circuit board terminals such that a backup for the screw is provided and that the processing of the contact element is simplified.
  • a contact element for releasable attachment to the contact element has a contact surface and a fastening element for releasable attachment to the contact element. Due to the releasable attachment, it is possible to first attach the contact element after production of the contact element to the contact element and then to transport it. If the contact element has arrived at the position at which it is to be processed, the contact element can be released again.
  • the contact surface of the abutment element is larger than the cross-sectional area of the clamp body in order to provide a sufficiently large attack surface for automation devices, in particular for suction pads or the like, so that the contact elements can be moved with conventional automation devices.
  • Such a running contact surface is ideal for suction gripper, since it facilitates the formation of the necessary vacuum for the gripping process, since no air can flow through a closed, hole-free contact surface and a flat surface facilitates the application of the seal of a suction pad.
  • the fastening element of the contact element for releasable attachment to the screw head of the screw of the contact element is suitable.
  • the contact elements are usually designed such that the contacts, which must be arranged on a printed circuit board, are arranged on one side of the clamping body of the contact element, while the screw on the opposite side of the contacts of the clamping body protrudes from the clamping body. If the fastener attached to the screw head, can the contact elements are gripped from above and in particular be arranged with the aid of the contact element on the corresponding positions of the circuit board, so that during the entire transport and processing of the contact element, the contact element can be arranged on the contact element and is removed only after correct positioning. Furthermore, the contact element represents a loss protection for the screw.
  • the fastening element preferably has a latching element, a clamping element and / or a positive-locking element, so that the contact element via the fastening element as simple as possible, but can be reliably arranged on the contact element.
  • the fastening element is designed as a ring or at least one, preferably two ring segments, which can lie in particular around the screw head in the screw of the contact element. This ensures that the screw rests substantially non-rotatably in the fastening element of the contact element.
  • a side wing is arranged on the contact element in such a way that, in the state of the contact element fastened to the contact element, it bears against the contact element such that it forms an anti-twist device. This ensures that during transport of the contact element, the screw can not fall out of the clamping body and it is particularly secured against rotation, provided that it is arranged against rotation in the contact element.
  • two side wings are arranged on the contact element in such a way that they rest on the contact element in the state of the contact element fastened to the contact element such that the contact element is releasably clamped.
  • preferably correspondingly formed fastening elements can simultaneously fulfill the function of anti-rotation.
  • the contact surface is formed substantially rectangular and has a recess on a corner. This recess serves to be able to orient the contact elements in a conveyor belt of a pick and place machine or any other automation device always in the same direction.
  • the contact element according to the invention for printed circuit board terminals has a contact element, whereby the contact element can be handled in automation devices, since they can act on the contact surface of the contact element. In addition, it is ensured that the screw can not accidentally unscrew from the clamp body.
  • the clamping body has a wire protection which prevents the screw from damaging the conductor inserted into the clamping body.
  • At least one Lötpin or an SMD surface is arranged on the clamp body in order to attach the contact element to a circuit board can.
  • SMD Surface Mounted Device
  • the contact element is designed as a single terminal, since it is precisely for such contact elements, the need to handle these items easily.
  • FIG. 1 and 2 two perspective views of a first embodiment of the invention are shown, wherein on a contact element 20, a contact element 10 is releasably attached.
  • the contact element 20 has a clamping body 22 with an upper side 22a, a lower side 22b and a front side 22c.
  • the clamping body 22 is formed substantially cuboid.
  • an inlet opening 23 is arranged, through which a not shown electrical conductor can be inserted into the clamping body 22.
  • a screw 25 is screwed into the clamp body 22, with the aid of which the electrical conductor inserted into the clamp body 22 through the input opening 23 can be clamped in the clamp body 22.
  • the screw 25 usually has a screw head 26.
  • two soldering pins 27 are arranged, by means of which the contact element 20 can be electrically conductively connected to a printed circuit board.
  • a wire guard 24 is arranged, which extends from the upper side 22a of the clamp body 22 through the inlet opening 23 into the clamp body 22 and thus comes to rest between the screw 25 and the introduced through the inlet opening 23 in the clamp body 22 so that it prevents the conductor from being damaged by screwing in the screw 25.
  • the arranged on the contact element 20 contact element 10 has a substantially rectangular contact surface 12, which has a recess 13 at a corner.
  • the contact surface 12 is unbroken, so has no holes within the edge of the surface. Furthermore, the contact surface is flat.
  • the contact surface 12 in this case has an area which is greater than the cross-sectional area through the clamping body 22, wherein the cross-sectional area as a surface of a section perpendicular to the longitudinal axis of the screw 25 outside the region of the inlet opening 23, in particular as the surface of the top 22a or the bottom 22b results.
  • the contact surface 12 essentially completely covers the contact element 20.
  • the surface of the contact surface 12 is larger than the projected base of the clamping body 22 of the contact element 20. This ensures that the contact surface 12 an automation device can attack, for example with a suction pad and the contact element 20 can thus be handled in a simple manner in an automation device ,
  • the contact element 10 is detachably fastened to the contact element 20 via a fastening element 14, wherein the attachment should be so stable that even when gripping only the contact element 10 by an automation device, the downwardly hanging contact element 20 should not be able to be released by its own weight.
  • the fastening element 14 has two ring segments 15, which positively surround the screw head 26 of the screw 25 or which latch onto the screw head 26 of the screw 25. It should be ensured that the screw head 26 in the fastener 14 can not be rotated easily.
  • a side wing 18 is arranged substantially perpendicular to the contact surface 12, wherein it is arranged on the same side of the contact surface 12 as the fastening element 14 and thus in the attached to the contact element 20 state of the contact element 10 in the direction of the contact element 20 has.
  • the side wing 18 is designed such that it rests in the patch on the contact element 20 state of the contact element 10 on the contact element 20 such that the contact element 10 can not be against the contact element 20, for example, about the longitudinal axis of the screw 25, rotated.
  • the side wing 18 abuts directly on a side surface of the clamping body 22.
  • Especially more than one side wing 18 can be arranged on the contact element 10.
  • the screw 25 With the help of the contact element 10 is thus on the one hand ensures that the screw 25 is arranged captive on the contact element 20.
  • the screw 25 can not be rotated in the clamp body 22, so that they can neither turn out nor into the clamp body 22 and thus after mounting the contact element 20 without further manipulation directly the corresponding conductor can be connected to the contact element 20 ,
  • FIG. 3 is the embodiment consisting of the contact element 20 and the contact element 10 according to FIG. 1 in a shown in a conveyor belt 30 of an automation device, such as a pick and place machine, used.
  • the conveyor belt 30 is substantially U-shaped, so that the contact element 20 can be suspended from above in the conveyor belt 30 and engages with the short sides of the substantially rectangular contact surface 12 of the contact element 10 in recesses 31, 32 of the conveyor belt.
  • the recess 31 is slightly narrower than the recess 32, so that the contact element 10, which has the recess 13 in the contact surface 12 only on one side, can be inserted into the conveyor belt 30 in a clear orientation. In this way, it is ensured that the contact elements 20 are all transported in the same orientation in the conveyor belt 30.
  • FIG. 4 another embodiment of the invention is shown.
  • the contact element 20 is substantially identical to the contact element 20 of the first embodiment, wherein like parts are designated by like reference numerals.
  • the contact element 10 substantially corresponds the contact element 10 according to the first embodiment, so that like parts are designated by like reference numerals.
  • the contact element 10 according to the second exemplary embodiment differs from the contact element 10 according to the first exemplary embodiment in the design of the fastening element 14.
  • this fastening element 14 is formed from a plurality of spring elements 16 which rest on the outer circumference of the screw head 26 of the screw 25.
  • FIG. 5 shows, finally, a third embodiment of the invention, wherein the contact element 10 substantially the contact element 10 of the second embodiment according to FIG. 4 equivalent.
  • the contact element 20 essentially corresponds to the contact element 20 according to the second exemplary embodiment in FIG FIG. 4 , so that like parts are designated by like reference numerals.
  • the contact element 20 of the third embodiment differs from the contact elements 20 of the first and second embodiments in that no soldering pins 27 are arranged on the underside 22b, but that the underside 22b is formed as an SMD surface 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Insulators (AREA)

Claims (10)

  1. Elément de contact (20) pour des bornes de plaques de circuit comportant un corps de serrage (22) muni d'un orifice (23) pour recevoir un conducteur et d'une vis (25) pour fixer le conducteur par serrage dans le corps de serrage (22), ainsi qu'un élément d'appui (10) muni d'une surface d'appui (12) et d'un élément de fixation (14) pour fixer l'élément d'appui (10) de manière amovible à l'élément de contact (20),
    élément de contact caractérisé en ce que
    - la surface d'appui (12) a une surface plus grande que la surface de la section du corps de serrage (22) qui constitue la surface de la coupe perpendiculaire à l'axe longitudinal de la vis (25) au-delà de la zone de l'orifice d'entrée (23), et
    - l'élément de fixation (14) est fixe de manière amovible à la tête (26) de la vis (25) de l'élément de contact.
  2. Elément de contact (20) selon la revendication 1,
    caractérisé en ce que
    la surface d'appui est plane et continue.
  3. Elément de contact (20) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de fixation (14) comporte un élément d'enclipage, un élément de serrage et/ou un élément réalisant une liaison par la forme.
  4. Elément de contact (20) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de fixation (14) est réalisé sous la forme d'un anneau ou d'au moins un et de préférence de deux segments d'anneau (15).
  5. Elément de contact (20) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément d'appui (10) comporte des ailettes latérales (18) de façon que lorsque l'élément d'appui (10) est fixé en place sur l'élément de contact (20), il s'appuie contre l'élément de contact (20) pour constituer un blocage en rotation.
  6. Elément de contact (20) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément d'appui (10) comporte deux ailes latérales de façon qu'en position fixée de l'élément d'appui (10) sur l'élément de contact (20), les ailes s'appuient contre l'élément de contact (20) pour que celui-ci soit serré de manière amovible.
  7. Elément de contact (20) selon l'une des revendications précédentes,
    caractérisé en ce que
    la surface d'appui (12) a une forme essentiellement rectangulaire et comporte un dégagement (13) à un coin.
  8. Elément de contact (20) selon l'une des revendications précédentes,
    caractérisé en ce que
    le corps de serrage (22) comporte une protection de fil (24).
  9. Elément de contact (20) selon l'une des revendications précédentes,
    caractérisé en ce que
    le corps de serrage (22) comporte au moins une broche de soudage (27) ou une surface pour un dispositif monté en surface (SMD) (28).
  10. Elément de contact (20) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de contact (10) est réalisé sous la forme d'une borne séparée.
EP08000768A 2007-01-24 2008-01-16 Elément de contact Not-in-force EP1950840B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007004547A DE102007004547A1 (de) 2007-01-24 2007-01-24 Kontaktelement

Publications (3)

Publication Number Publication Date
EP1950840A2 EP1950840A2 (fr) 2008-07-30
EP1950840A3 EP1950840A3 (fr) 2010-08-04
EP1950840B1 true EP1950840B1 (fr) 2011-12-14

Family

ID=39361298

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08000768A Not-in-force EP1950840B1 (fr) 2007-01-24 2008-01-16 Elément de contact

Country Status (4)

Country Link
US (1) US7695327B2 (fr)
EP (1) EP1950840B1 (fr)
AT (1) ATE537580T1 (fr)
DE (1) DE102007004547A1 (fr)

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FR2635615B1 (fr) * 1988-08-22 1990-11-09 Sicame Sa Accessoire de branchement pour cable a relier a un quelconque circuit
DE9217684U1 (de) * 1992-12-24 1993-02-25 SL Elektronik Mechanik GmbH, 72336 Balingen Klemme für eine Leiterplatte
DE19844461A1 (de) * 1998-09-28 2000-03-30 Siemens Ag Hanhabungs- und Montageschutz
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FR2858119A1 (fr) * 2003-07-22 2005-01-28 Abb Entrelec Sas Dispositif de raccordement electrique a contact protege

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ATE537580T1 (de) 2011-12-15
EP1950840A3 (fr) 2010-08-04
DE102007004547A1 (de) 2008-07-31
US7695327B2 (en) 2010-04-13
EP1950840A2 (fr) 2008-07-30
US20080261463A1 (en) 2008-10-23

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