WO2009095551A1 - Electric connection device and related manufacturing method - Google Patents

Electric connection device and related manufacturing method Download PDF

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Publication number
WO2009095551A1
WO2009095551A1 PCT/FR2008/001549 FR2008001549W WO2009095551A1 WO 2009095551 A1 WO2009095551 A1 WO 2009095551A1 FR 2008001549 W FR2008001549 W FR 2008001549W WO 2009095551 A1 WO2009095551 A1 WO 2009095551A1
Authority
WO
WIPO (PCT)
Prior art keywords
connection device
capacitor
electrical connection
pin
track
Prior art date
Application number
PCT/FR2008/001549
Other languages
French (fr)
Inventor
Christophe Luziau
Original Assignee
Johnson Controls Technology Company
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 Johnson Controls Technology Company filed Critical Johnson Controls Technology Company
Publication of WO2009095551A1 publication Critical patent/WO2009095551A1/en

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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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
    • H01R13/7195—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters with planar filters with openings for contacts
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/6608—Structural association with built-in electrical component with built-in single component
    • H01R13/6625—Structural association with built-in electrical component with built-in single component with capacitive component

Definitions

  • the present invention relates to an electrical connection device such as a connector to a printed circuit track and an associated manufacturing method.
  • the device will find its main application in the field of automotive connectors.
  • the connection device may be used in other areas and particularly in applications where the connection must allow control of electromagnetic emissions or even electrostatic discharges.
  • connection of a connection device such as a connector on a printed circuit board is subjected to electromagnetic disturbances and electrostatic discharges in particular due to parasitic couplings between the connector, the card and its components or, possibly, with other connectors located nearby.
  • the object of the present invention is to propose an electrical connection device on a printed circuit board making it possible to reduce the size of the card linked to the presence of the protection and filter capacitors, to improve the filtering. Electromagnetic and electrostatic for a given capacitor and greatly facilitate the laying of capacitors.
  • the electrical connection device comprises at least one connection pin to an electrical track and a grounding pin.
  • the device further comprises at least one capacitor disposed between the connecting pin and a conductive track, said track, supported by a conductive plate, providing the connection between the capacitor and the grounding pin.
  • FIG. 1 shows an electrical connection device 1 with connection pins 2 and a ground pin 3. These connection pins 2 and 3 are grounded to be plugged into holes in a printed circuit board for connection to an electrical track of the circuit. These pins 2,3 are then optionally soldered in a conventional manner to said circuit.
  • the device 1 comprises at least one capacitor 4 integrated in said device 1.
  • each connection pin 2 comprises a capacitor 4, but in other embodiments it will be possible to provide that only some pins 2 are coupled to capacitors 4 or that some connection pins 2 can be connected to several capacitors 4.
  • each capacitor 4 is connected to the grounding pin 3 of the electrical connection device 1 via a conductive track 7.
  • the conductive track 7 is supported by a conductive plate 5 constituted by the lower face of the body 6 of the connecting device 1. This track 7 connects the capacitors 4 to the grounding pin 3.
  • each capacitor 4 is provided to be compressed between the connection branch 2 and the conductive track 7.
  • all or part of the body 6 of the electrical connection device 1 is made of a synthetic material.
  • the electrical connection device 1 as well
  • the present invention has significant advantages, in particular it is no longer necessary to add protection capacitors on the printed circuit board, which considerably reduces the space requirement on the board. Furthermore, the placement of the capacitors 4, arranged at the most pre of the connection pins 2, makes their optimum efficiency. Finally the cost of integration on the printed circuit board of such a component with its capacitors providing protection and filtering is reduced since it is no longer necessary to deposit the capacitors one by one on the circuit board as it was provided in the prior art.
  • the method of manufacturing the connection device comprises a step of molding the body 6. Prior to the molding step, the capacitors 4 are positioned in the mold against the connection pins 2. The method also comprises an additional step in which is placed the conductive track 7 on the lower face of the body 6, said track 7 connecting each capacitor 4 to the grounding pin 3.
  • the conductive plate 5 will be made separately from the body 6 and possibly secured either to the underside of the body 6 or to the connectors 4 and the grounding pin 3, in particular by gluing.
  • the manufacturing process involves a step of laying the conductive plate 5.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention relates to an electric connection device and to a related manufacturing method. According to the invention, the electric connection device (1) includes at least one connection pin (2) for connection to the electric track of a printed circuit, at least one grounding pin (3), at least one capacitor (4) provided between the connection pin (2) and a conducting track (7), wherein said conducting track (7) is carried by a conducting plate (5) and provides the link between the capacitor (4) and the grounding pin (3).

Description

Dispositif de raccordement électrique et procédé de fabrication associé Electrical connection device and method of manufacturing the same
La présente invention concerne un dispositif de raccordement électrique tel qu'un connecteur à une piste de circuit imprimé ainsi qu'un procédé de fabrication associé. Le dispositif trouvera son application principale dans le domaine de la connectique automobile. Toutefois bien que particulièrement prévu pour une telle application le dispositif de raccordement pourra être utilisé dans d'autres domaines et notamment dans des applications où la connectique doit permettre de contrôler les émissions électromagnétiques ou encore les décharges électrostatiques . ARRIERE PLAN DE L'INVENTIONThe present invention relates to an electrical connection device such as a connector to a printed circuit track and an associated manufacturing method. The device will find its main application in the field of automotive connectors. However, although particularly intended for such an application the connection device may be used in other areas and particularly in applications where the connection must allow control of electromagnetic emissions or even electrostatic discharges. BACKGROUND OF THE INVENTION
La liaison d'un dispositif de raccordement tel qu'un connecteur sur une carte de circuit imprimé est soumise à des perturbations électromagnétiques et des décharges électrostatiques notamment dues à des couplages parasites entre, le connecteur, la carte et ses composants ou encore éventuellement avec d'autres connecteurs disposés à proximité.The connection of a connection device such as a connector on a printed circuit board is subjected to electromagnetic disturbances and electrostatic discharges in particular due to parasitic couplings between the connector, the card and its components or, possibly, with other connectors located nearby.
Afin de réduire ses perturbations, et de satisfaire notamment aux normes de compatibilité électromagnétique, il est connu de disposer au voisinage des connecteurs des condensateurs permettant d'inhiber au moins partiellement les effets de ces perturbations .In order to reduce its disturbances, and in particular to comply with the electromagnetic compatibility standards, it is known to have capacitors in the vicinity of the connectors making it possible to at least partially inhibit the effects of these disturbances.
A cet effet, de manière classique, on vient disposer à proximité du connecteur des condensateurs liés à des pistes du circuit imprimé. Cette solution n'est toutefois pas entièrement satisfaisante en effet, d'une part, la carte doit présenter une surface de circuit imprimé importante pour permettre la réception de ces condensateurs, cette surface ne pouvant pas être consacrée au positionnement d'autres composants. D'autre part, les condensateurs sont d'autant moins efficaces qu'ils sont éloignés du connecteur et donc le rôle de filtrage des condensateurs n'est pas optimal sauf à en augmenter le nombre ou la valeur de leur capacité. Enfin ce type de structure nécessite de positionner chaque condensateur sur la carte ce qui induit des coûts d'intégration élevés. OBJET DE L'INVENTION La présente invention a pour but de proposer un dispositif de raccordement électrique sur une carte de circuit imprimé permettant de diminuer l'encombrement sur la carte lié à la présence des condensateurs de protection et de filtrage, d'améliorer le filtrage électromagnétique et électrostatique pour un condensateur donné et de faciliter considérablement la pose des condensateurs.For this purpose, in a conventional manner, capacitors linked to tracks of the printed circuit are placed near the connector. This solution is however not entirely satisfactory because, firstly, the card must have a large circuit surface to allow the reception of these capacitors, this surface can not be dedicated to the positioning of other components. On the other hand, the capacitors are all the less effective as they are far from the connector and therefore the role of filtering capacitors is not optimal except to increase the number or value of their capacity. Finally this type of structure requires positioning each capacitor on the card which leads to high integration costs. OBJECT OF THE INVENTION The object of the present invention is to propose an electrical connection device on a printed circuit board making it possible to reduce the size of the card linked to the presence of the protection and filter capacitors, to improve the filtering. Electromagnetic and electrostatic for a given capacitor and greatly facilitate the laying of capacitors.
RESUME DE L'INVENTIONSUMMARY OF THE INVENTION
A cet effet le dispositif de raccordement électrique comporte au moins une broche de raccordement à une piste électrique et une broche de mise à la terre. Selon l'invention, le dispositif comprend en outre au moins un condensateur disposé entre la broche de raccordement et une piste conductrice, ladite piste, supportée par une plaque conductrice, assurant la liaison entre le condensateur et la broche de mise à la terre .For this purpose the electrical connection device comprises at least one connection pin to an electrical track and a grounding pin. According to the invention, the device further comprises at least one capacitor disposed between the connecting pin and a conductive track, said track, supported by a conductive plate, providing the connection between the capacitor and the grounding pin.
BREVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS
La présente invention sera mieux comprise à la lecture d'un exemple détaillé de réalisation en référence à la figure 1 annexée, fournie à titre d'exemple non limitatif et représentant, selon une vue schématique en perspective, un exemple de réalisation du dispositif de raccordement conforma à l'invention. DESCRIPTION DETAILLEE DE L'INVENTION En se reportant à la figure 1 on voit représenté un dispositif de raccordement électrique 1 avec des broches de raccordement 2 et une broche de mise à la terre 3. Ces broches de raccordement 2 et de mise à la terre 3 sont aptes à être enfichées dans des trous ménagés dans une carte de circuit imprimé permettant leur raccordement à une piste électrique du circuit. Ces broches 2,3 sont ensuite éventuellement soudées de manière classique audit circuit.The present invention will be better understood on reading a detailed exemplary embodiment with reference to the appended FIG. 1, provided by way of non-limiting example and showing, in a schematic perspective view, an exemplary embodiment of the connecting device. according to the invention. DETAILED DESCRIPTION OF THE INVENTION Referring to Figure 1 shows an electrical connection device 1 with connection pins 2 and a ground pin 3. These connection pins 2 and 3 are grounded to be plugged into holes in a printed circuit board for connection to an electrical track of the circuit. These pins 2,3 are then optionally soldered in a conventional manner to said circuit.
Selon l'invention le dispositif 1 comprend au moins un condensateur 4 intégré audit dispositif 1. Dans l'exemple de réalisation de la figure 1 chaque broche de raccordement 2 comporte un condensateur 4, toutefois dans d'autres modes de réalisation on pourra prévoir que seules certaines broches 2 soient couplées à des condensateurs 4 ou encore que certaines broches de raccordement 2 puissent être liées à plusieurs condensateurs 4.According to the invention, the device 1 comprises at least one capacitor 4 integrated in said device 1. In the embodiment of FIG. 1, each connection pin 2 comprises a capacitor 4, but in other embodiments it will be possible to provide that only some pins 2 are coupled to capacitors 4 or that some connection pins 2 can be connected to several capacitors 4.
De manière à évacuer les perturbations électromagnétiques et les surcharges électrostatiques et ainsi jouer son rôle de filtre, chaque condensateur 4 est relié à la broche de mise à la terre 3 du dispositif de raccordement électrique 1 par l'intermédiaire d'une piste conductrice 7. Dans l'exemple de réalisation de la figure 1 la piste conductrice 7 est supportée par une plaque conductrice 5 constituée par la face inférieure du corps 6 du dispositif de raccordement 1. Cette piste 7 relie les condensateurs 4 à la broche de mise à la terre 3.In order to evacuate the electromagnetic disturbances and the electrostatic overloads and thus play its role of filter, each capacitor 4 is connected to the grounding pin 3 of the electrical connection device 1 via a conductive track 7. In the embodiment of Figure 1 the conductive track 7 is supported by a conductive plate 5 constituted by the lower face of the body 6 of the connecting device 1. This track 7 connects the capacitors 4 to the grounding pin 3.
De manière avantageuse notamment en vue d'améliorer le contact entre chaque condensateur 4 et chaque broche de raccordement 2 on prévoit que chaque condensateur 4 soit mis en compression entre la branche de raccordement 2 et la piste conductrice 7.Advantageously, in particular, with a view to improving the contact between each capacitor 4 and each connection pin 2, each capacitor 4 is provided to be compressed between the connection branch 2 and the conductive track 7.
De manière avantageuse on prévoit également que tout ou partie du corps 6 du dispositif de raccordement électrique 1 soit réalisé dans un matériau synthétique. Le dispositif de raccordement électrique 1 ainsi constitué présente des avantages déterminants, notamment il n'est plus nécessaire d'ajouter des condensateurs de protection sur la carte du circuit imprimé ce qui permet de réduire considérablement l'encombrement sur la carte. Par ailleurs, le placement des condensateurs 4, disposés au plus pré des broches de raccordement 2 , rend leur efficacité optimale. Enfin le coût d'intégration sur la carte de circuit imprimé d'un tel composant avec ses condensateurs assurant la protection et le filtrage est réduit puisqu'il n'est plus nécessaire de déposer un à un les condensateurs sur la carte du circuit imprimé comme il était prévu dans l'art antérieur.Advantageously it is also provided that all or part of the body 6 of the electrical connection device 1 is made of a synthetic material. The electrical connection device 1 as well The present invention has significant advantages, in particular it is no longer necessary to add protection capacitors on the printed circuit board, which considerably reduces the space requirement on the board. Furthermore, the placement of the capacitors 4, arranged at the most pre of the connection pins 2, makes their optimum efficiency. Finally the cost of integration on the printed circuit board of such a component with its capacitors providing protection and filtering is reduced since it is no longer necessary to deposit the capacitors one by one on the circuit board as it was provided in the prior art.
Le procédé de fabrication du dispositif de raccordement comprend une étape de moulage du corps 6. Préalablement à l'étape de moulage on vient positionner dans le moule les condensateurs 4 contre les broches de raccordement 2. Le procédé comporte également une étape supplémentaire dans laquelle est posée la piste conductrice 7 sur la face inférieure du corps 6, ladite piste 7 reliant chaque condensateur 4 à la broche de mise à la terre 3.The method of manufacturing the connection device comprises a step of molding the body 6. Prior to the molding step, the capacitors 4 are positioned in the mold against the connection pins 2. The method also comprises an additional step in which is placed the conductive track 7 on the lower face of the body 6, said track 7 connecting each capacitor 4 to the grounding pin 3.
D'autres caractéristiques de l'invention auraient également pu être envisagées sans pour autant sortir du cadre de l'invention définie par les revendications ci- après . Notamment, dans un autre mode de réalisation, la plaque conductrice 5 sera réalisée séparément du corps 6 et éventuellement assujettie soit à la face inférieure du corps 6 soit aux connecteurs 4 et à la broche de mise à la terre 3, notamment par collage. Dans ce mode de réalisation, le procédé de fabrication comporte après l'étape de moulage du corps 6, une étape de pose de la plaque conductrice 5. Other features of the invention could also have been envisaged without departing from the scope of the invention defined by the claims below. In particular, in another embodiment, the conductive plate 5 will be made separately from the body 6 and possibly secured either to the underside of the body 6 or to the connectors 4 and the grounding pin 3, in particular by gluing. In this embodiment, after the molding step of the body 6, the manufacturing process involves a step of laying the conductive plate 5.

Claims

REVENDICATIONS
1. Dispositif de raccordement électrique comportant au moins une broche de raccordement (2) à une piste électrique d'un circuit imprimé et une broche de mise à la terre (3) caractérisé en ce que le dispositif comprend au moins un condensateur (4) disposé entre la broche de raccordement (2) et une piste conductrice (7), ladite piste conductrice (7), supportée par une plaque conductrice (5), assurant la liaison entre le condensateur (4) et la broche de mise à la terre (3) .Electrical connecting device comprising at least one connecting pin (2) to an electrical track of a printed circuit and an earth pin (3), characterized in that the device comprises at least one capacitor (4) disposed between the connecting pin (2) and a conductive track (7), said conductive track (7), supported by a conductive plate (5), providing the connection between the capacitor (4) and the grounding pin (3).
2. Dispositif de raccordement électrique selon la revendication 1 dans lequel la plaque conductrice (5) constitue la face inférieure du corps (6) du dispositif de raccordement électrique.2. Electrical connection device according to claim 1 wherein the conductive plate (5) is the underside of the body (6) of the electrical connection device.
3. Dispositif de raccordement électrique selon la revendication 1 dans lequel ladite plaque conductrice (5) comporte une piste conductrice (7) reliant chaque condensateur (4) à la broche de mise à la terre (3) . 3. Electrical connection device according to claim 1 wherein said conductive plate (5) comprises a conductive track (7) connecting each capacitor (4) to the grounding pin (3).
4. Dispositif de raccordement électrique selon la revendication 3 dans lequel chaque condensateur (4) est compressé entre une branche de raccordement (2) et la piste conductrice (7) .4. Electrical connection device according to claim 3 wherein each capacitor (4) is compressed between a connecting branch (2) and the conductive track (7).
5. Dispositif de raccordement électrique selon la revendication 1 dans lequel chaque broche de raccordement5. Electrical connection device according to claim 1 wherein each connecting pin
(2) est couplée à un condensateur (4) .(2) is coupled to a capacitor (4).
6. Dispositif de raccordement électrique selon la revendication 1 dans lequel le corps (6) du dispositif de raccordement électrique est réalisé dans un matériau synthétique.6. Electrical connection device according to claim 1 wherein the body (6) of the electrical connection device is made of a synthetic material.
7. Procédé de fabrication d'un dispositif de raccordement électrique comportant une étape de moulage du corps du dispositif caractérisé en ce qu'il comprend une étape de positionnement d'au moins un condensateur (4) dans le moule avant de réaliser l'étape de moulage. 7. A method of manufacturing an electrical connection device comprising a step of molding the body of the device characterized in that it comprises a step of positioning at least one capacitor (4) in the mold before performing the step molding.
8. Procédé de fabrication d'un dispositif de raccordement électrique selon la revendication précédente dans lequel on réalise une étape de pose d'une piste conductrice (7) reliant chaque condensateur à la broche de mise à la terre.8. A method of manufacturing an electrical connection device according to the preceding claim wherein there is provided a step of laying a conductive track (7) connecting each capacitor to the grounding pin.
9 Procédé de fabrication d'un dispositif de raccordement électrique selon la revendication 7 dans lequel on réalise, après l'étape de moulage, une étape de pose d'une plaque conductrice (5) reliant chaque condensateur (4) à la broche de mise à la terre (3) . Process for manufacturing an electrical connection device according to claim 7, in which, after the molding step, a step of laying a conductive plate (5) connecting each capacitor (4) to the setting pin is carried out. to the ground (3).
PCT/FR2008/001549 2007-11-05 2008-11-04 Electric connection device and related manufacturing method WO2009095551A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007053042 2007-11-05
DE102007053042.2 2007-11-05

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WO2009095551A1 true WO2009095551A1 (en) 2009-08-06

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PCT/FR2008/001549 WO2009095551A1 (en) 2007-11-05 2008-11-04 Electric connection device and related manufacturing method

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4858313A (en) * 1987-05-01 1989-08-22 Labinal Components And Systems, Inc. Method of forming a connector
GB2273826A (en) * 1992-12-24 1994-06-29 Itt Ind Ltd Filtered electrical connectors
US5639264A (en) * 1994-10-31 1997-06-17 Berg Technology, Inc. Low cost filtered and shielded electronic connector and method of use
US20040012462A1 (en) * 2001-05-29 2004-01-22 Sung-Youl Kim Feed-through filter having improved shielding and mounting functions
US20050176301A1 (en) * 2004-02-05 2005-08-11 Barr Andrew H. Connector providing capacitive coupling
US20070123074A1 (en) * 2005-11-29 2007-05-31 Shinichi Nishimura Circuit connection structure and printed circuit board
US20070134985A1 (en) * 2005-12-12 2007-06-14 Frysz Christine A Feedthrough Filter Capacitor Assemblies Having Low Cost Terminal Pins
US20070203529A1 (en) * 2006-02-28 2007-08-30 Iyer Rajesh V Filtered feedthrough assembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4858313A (en) * 1987-05-01 1989-08-22 Labinal Components And Systems, Inc. Method of forming a connector
GB2273826A (en) * 1992-12-24 1994-06-29 Itt Ind Ltd Filtered electrical connectors
US5639264A (en) * 1994-10-31 1997-06-17 Berg Technology, Inc. Low cost filtered and shielded electronic connector and method of use
US20040012462A1 (en) * 2001-05-29 2004-01-22 Sung-Youl Kim Feed-through filter having improved shielding and mounting functions
US20050176301A1 (en) * 2004-02-05 2005-08-11 Barr Andrew H. Connector providing capacitive coupling
US20070123074A1 (en) * 2005-11-29 2007-05-31 Shinichi Nishimura Circuit connection structure and printed circuit board
US20070134985A1 (en) * 2005-12-12 2007-06-14 Frysz Christine A Feedthrough Filter Capacitor Assemblies Having Low Cost Terminal Pins
US20070203529A1 (en) * 2006-02-28 2007-08-30 Iyer Rajesh V Filtered feedthrough assembly

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