FR2618630A1 - Device for coupling and connecting, to an electrical appliance, an electronic power module - Google Patents

Device for coupling and connecting, to an electrical appliance, an electronic power module Download PDF

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Publication number
FR2618630A1
FR2618630A1 FR8710448A FR8710448A FR2618630A1 FR 2618630 A1 FR2618630 A1 FR 2618630A1 FR 8710448 A FR8710448 A FR 8710448A FR 8710448 A FR8710448 A FR 8710448A FR 2618630 A1 FR2618630 A1 FR 2618630A1
Authority
FR
France
Prior art keywords
printed circuit
module
flexible printed
power module
connection
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.)
Withdrawn
Application number
FR8710448A
Other languages
French (fr)
Inventor
Jean-Louis Boucheron
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.)
Valeo Neiman SA
Original Assignee
Neiman SA
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 Neiman SA filed Critical Neiman SA
Priority to FR8710448A priority Critical patent/FR2618630A1/en
Publication of FR2618630A1 publication Critical patent/FR2618630A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
    • H05K1/0203—Cooling of mounted components
    • H05K1/021—Components thermally connected to metal substrates or heat-sinks by insert mounting
    • 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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0393—Flexible materials
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10113—Lamp
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10189—Non-printed connector
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10431—Details of mounted components
    • H05K2201/10439—Position of a single component
    • H05K2201/10446—Mounted on an edge
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/04—Soldering or other types of metallurgic bonding
    • H05K2203/049—Wire bonding
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates
    • H05K3/0061—Laminating printed circuit boards onto other substrates, e.g. metallic substrates onto a metallic substrate, e.g. a heat sink

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The invention relates to a device for coupling and connecting, to an electrical appliance, an electronic power module of the type comprising a metal support on which are directly attached the power components and a thin flexible printed circuit which is assembled rigidly in a zone defining the module. The device according to the invention is characterised in that the flexible printed circuit 2 extends beyond the zone defining the power module and, because of its shape and its flexibility, allows coupling to the various consumers which are to be associated with the various outputs of the said module and in that the flexible printed circuit 2, 17, 13 comprises ports (windows) allowing coupling of the power chips mounted directly on the associated metal support. Application to the automobile industry.

Description

DISPOSITIF DE RACCORDEMENT ET DE CONNEXION A UN APPAREIL ELECIRIQUE
D'UN MODULE ELES~NIQU1D DE PUISS#CE. DEVICE FOR CONNECTION AND CONNECTION TO AN ELECTRICAL APPARATUS
OF A MODULE ELES ~ NIQU1D OF POWER # CE.

L'invention oenoerne un dispositif de raccordement et de connexion à un appareil électrique d'un module électronique de puissance du type comprenant un support métallique sur lequel sont rapportés directenent les composants de puissance et un circuit imprimé souple de faible épaisseur assemblé rigidement dans une zone définissant le module. The invention relates to a device for connection and connection to an electrical appliance of a power electronic module of the type comprising a metal support on which the power components are directly connected and a flexible thin printed circuit rigidly assembled in an area. defining the module.

Elle concerne plus précisément l'alimentation et la comnande d'appareils électriques automobiles, pour lesquels une connexion simple, sûre et durable est nécessaire, malgré les conditions d'utilisation très sévères.It relates more precisely to the supply and control of automotive electrical devices, for which a simple, safe and durable connection is necessary, despite the very severe conditions of use.

Dans ce but, le dispositif selon l'invention est caractérisé par le fait que le circuit imprime souple déborde la zone définissant le ma dule de puissance et, de par sa forme et sa souplesse, permet le rac cornement aux différents consomnateurs qui doivent être associés aux différentes sorties dudit module et que le circuit imprime souple porte des fenêtres permettant le raccordement des puces de puissance montées directement sur le support métallique associé.For this purpose, the device according to the invention is characterized by the fact that the flexible printed circuit extends beyond the zone defining the power module and, by its shape and its flexibility, allows the cor horning to the various consumers who must be associated at the various outputs of said module and that the flexible printing circuit carries windows allowing the connection of the power chips mounted directly on the associated metal support.

De préférence, le dispositif comprend un dispositif de centrage entre une partie rigide associée au circuit imprime souple et le connecteur lui-rrerre, et un dispositif de verrouillage maintenant le connecteur en place après positionnement.Preferably, the device comprises a centering device between a rigid part associated with the flexible printed circuit and the connector itself, and a locking device holding the connector in place after positioning.

L'invention sera bien comprise à la lecture de la description suivante faite en se référant au dessin annexé dans lequel: - la figure 1 est une vue schematique en coupe d'un dispositif selon un exemple de réalisation de l'invention, - la figure 2 est une vue en coupe d'une partie du module de puissance du dispositif de la figure 1, et - la figure 3 est une vue schématique en perspective d'un connecteur.The invention will be clearly understood on reading the following description made with reference to the accompanying drawing in which: - Figure 1 is a schematic sectional view of a device according to an embodiment of the invention, - Figure 2 is a sectional view of part of the power module of the device in FIG. 1, and - FIG. 3 is a schematic perspective view of a connector.

Le circuit imprimé associ8/au support refroidisseur/est, au choix, un circuit imprimé de faible épaisseur ou un mylar, ce qui autorise une certaine souplesse dans le parcours de celui-ci. Ainsi, le circuit pourra suivre le parcours d'une pièce roulée en matière plastique 3 pour aller raccorder les différentes charges associées au module de puissance.The printed circuit associated8 / with the cooler support / is, as desired, a thin printed circuit or a mylar, which allows a certain flexibility in the path of the latter. Thus, the circuit can follow the path of a plastic rolled part 3 to go and connect the different loads associated with the power module.

On peut ainsi raccorder une ampoule électrique 4, par l'intermOdiaire de deux ressorts-lames 5, 6 appuyant d'une part sur les pistes appropriées 7 du côté du circuit imprimé 2 et, d'autre part, sur le culot ou le plot d'alimentation de l'ampoule 4
Ces ressorts-lames montés par enfoncerrent dans une rainure de la pièce support 3 et y sont maintenues par des ergots 8 et 9
La partie module de puissance intégrée dans la zone comportant l'assemblage du refroidisseur au circuit imprimé et les composants nécessaires associés, peut être maintenue par clipsage sur la platine support par une doigt compor- tant un ergot 10
Cette partie puissance peut supporter des composants électroniques 11 et des pastilles silicium enroues 12.It is thus possible to connect an electric bulb 4, by means of two leaf springs 5, 6 pressing on the one hand on the appropriate tracks 7 on the side of the printed circuit 2 and, on the other hand, on the base or the stud light bulb supply 4
These leaf springs mounted by driving into a groove in the support part 3 and are held there by lugs 8 and 9
The power module part integrated in the zone comprising the assembly of the cooler to the printed circuit and the necessary associated components, can be held by clipping on the support plate by a finger including a lug 10
This power part can support electronic components 11 and husked silicon wafers 12.

Enfin cette partie puissance peut être protégée par un capot 13 qui peut être lui-:mne clipsé sur la platine 3 par un doigt de clipsage comportant un ergot 14
La figure 2 représente une autre partie du module de puissance dans lequel on retrouve les composants électroniques 15 assemblés par soudure a l'étain sur le côté cuivre 16 du circuit imprimé 17
Les pastilles de silicium portant les ccarposants de puissance 18 sont directement collées ou soudées sur le support refroidisseur 19 et leur sorties raccordées au circuit imprimé par bonding 20. Enfin, ces conpo- sants sont enrobés dans une résine 21 pour obtenir une protection suffisante. Finally, this power part can be protected by a cover 13 which can itself be: clipped onto the plate 3 by a clipping finger comprising a lug 14
FIG. 2 represents another part of the power module in which we find the electronic components 15 assembled by soldering with tin on the copper side 16 of the printed circuit 17
The silicon wafers carrying the power components 18 are directly bonded or welded to the cooler support 19 and their outputs connected to the printed circuit by bonding 20. Finally, these components are coated in a resin 21 to obtain sufficient protection.

Le circuit imprimé peut être séparé du refroidisseur par un isolant 22 si cela est nécessaire.The printed circuit can be separated from the cooler by an insulator 22 if necessary.

L'assesblage du circuit imprimé sur le refroidisseur peut être réalisé par sertissage ou par collage. The wiring of the printed circuit on the cooler can be carried out by crimping or by gluing.

Un connecteur est également représenté sur la figure 2.A connector is also shown in Figure 2.

Celui-ci est composé d'une lamelle appuyant sur le circuit imprimé 23 se prolongeant vers le côté raccordement en une forte appropriée et constituant la languette de raccordement 24
Cette languette est prisonnière d'un boîtier 25 ayant une forme appropriée 26 pour recevoir un boîtier mâle correspondant lors du raccordement.This consists of a strip pressing on the printed circuit 23 extending towards the connection side in a suitable strong and constituting the connection tab 24
This tab is trapped in a housing 25 having a suitable shape 26 for receiving a corresponding male housing during connection.

Le montage du raccordement sur le module s'effectue par clipsage du connecteur sur celui-ci.The connection is mounted on the module by clipping the connector onto it.

Le refroidisseur assure un guidage et un positionnement du connecteur par rapport à celui-ci par la zone 27. Une languette possédant un téton de clipsage 28 et solidaire du connecteur assure le verrouillage dans un trou du refroidisseur 29 et permet ainsi de maintenir les deux pièces solidaires avant, pendant et après 1 'opération de soudure.The cooler provides guidance and positioning of the connector with respect to the latter by the area 27. A tongue having a clip stud 28 and integral with the connector ensures the locking in a hole of the cooler 29 and thus makes it possible to hold the two parts. united before, during and after the welding operation.

La figure 3 représente le principe de raoeordenent du connecteur. On distingue le boitier 30 portant sur cette image une languette 31 venant en vis à vis de plages de raccordement 32 portées par le circuit imprimé 33 associées au support refroidisseur
Dans ce cas, le positionnement du connecteur est assuré par deux fentes latérales 35 dans lesquelles viennent se loger les parties latérales 36 de l'encoche 37 du support refroidisseur et la partie 38 du support refroidisseur vient se loger dans ltencodhe du boitier 30 .Enfin, un doigt 40 portant un téton de clipsage 41 vient verrouiller l'accro liage lorsque l'asseeblage est réalisé.Figure 3 shows the principle of raoeordenent of the connector. We can see the box 30 carrying on this image a tongue 31 coming opposite the connection pads 32 carried by the printed circuit 33 associated with the cooler support
In this case, the positioning of the connector is ensured by two lateral slots 35 in which the lateral parts 36 of the notch 37 of the cooler support are housed and the part 38 of the cooler support is received in the ltencodhe of the housing 30. a finger 40 carrying a clip stud 41 locks the hooking when the harnessing is carried out.

Cette solution envisagée pour raccorder le connecteur sur le module de puissance n'est pas limitative. This solution envisaged for connecting the connector to the power module is not limiting.

En effet, il est également possible d'utiliser d'autres solutions pour positionner le connecteur sur l'assenblage refroidisseur / circuit imprimé.Indeed, it is also possible to use other solutions to position the connector on the cooler / printed circuit assembly.

Par exemple, une découpe présentant une languette sur le refroidisseur et venant se positionner dans une fente du boitier connecteur permettrait également un positionnement suffisant.For example, a cutout with a tab on the cooler and positioned in a slot in the connector box would also allow sufficient positioning.

Par ailleurs, le connecteur peut être positionné hors de la surface associée au refroidisseur et constituant le module de puissance. Furthermore, the connector can be positioned outside the surface associated with the cooler and constituting the power module.

Dans ce cas, on pourrait utiliser une pièce intermédiaire qui aurait partiellement la forme de la partie du refroidisseur 34 assemblée le long du circuit imprime souple de façon rigide pour réaliser le positionnement et le verrouillage de positionnement désiré.In this case, an intermediate piece could be used which would partially have the shape of the part of the cooler 34 assembled along the flexible printed circuit in a rigid manner to achieve the positioning and the desired positioning locking.

Dans ce cas, la pièce additionnelle pourrait être en matière plastique et l'association de cette pièce avec le circuit imprimé souple pourrait être réalisée, par exemple par deux tétons venant de cette pièce à travers 2 trous ménages dans le circuit imprimé souple. In this case, the additional part could be made of plastic and the association of this part with the flexible printed circuit could be carried out, for example by two pins coming from this part through 2 household holes in the flexible printed circuit.

Claims (2)

REVENDICR NsCLAIM Ns 1. - Dispositif de raccordement et de connexion à un appareil électrique d'un module électronique de puissance du type comprenant un support lL# tallique sur lequel sont rapportés directement les coitposants de puissance et un circuit imprimé souple de faible épaisseur assemblé rigide ment dans une zone définissant le module, caractérisé par le fait que le circuit imprimé souple ( 2,17,33) déborde la zone définissant le mo- dule de puissance et, de par sa forme et sa souplesse, permet le raccorde ment aux différents consomoateurs qui doivent être associés aux différentes sorties dudit nodule et que le circuit imprimé souple ( 2,17,33) comporte des fenêtres permettant le raccordement des puces de puissance montées di rectement sur le support métallique associé ( 1,19,34 ).1. - Device for connection and connection to an electrical appliance of an electronic power module of the type comprising a metallic support on which the power co-components are directly attached and a flexible thin printed circuit rigidly assembled in a area defining the module, characterized in that the flexible printed circuit (2,17,33) extends beyond the area defining the power module and, by its shape and flexibility, allows connection to the various consumers which must be associated with the different outputs of said nodule and that the flexible printed circuit (2,17,33) includes windows allowing the connection of power chips mounted directly on the associated metal support (1,19,34). 2.- Dispositif selon la revendication 1, caractérisé par le fait qu'il comprend un dispositif de centrage entre une partie rigide associée au circuit imprimé souple ( 2,17,33) et le connecteur lui-itfre, et un dispositif de verrouillage( 10, 40) maintenant le connecteur en place après positionnement. 2.- Device according to claim 1, characterized in that it comprises a centering device between a rigid part associated with the flexible printed circuit (2,17,33) and the connector itself, and a locking device ( 10, 40) holding the connector in place after positioning.
FR8710448A 1987-07-23 1987-07-23 Device for coupling and connecting, to an electrical appliance, an electronic power module Withdrawn FR2618630A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8710448A FR2618630A1 (en) 1987-07-23 1987-07-23 Device for coupling and connecting, to an electrical appliance, an electronic power module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8710448A FR2618630A1 (en) 1987-07-23 1987-07-23 Device for coupling and connecting, to an electrical appliance, an electronic power module

Publications (1)

Publication Number Publication Date
FR2618630A1 true FR2618630A1 (en) 1989-01-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR8710448A Withdrawn FR2618630A1 (en) 1987-07-23 1987-07-23 Device for coupling and connecting, to an electrical appliance, an electronic power module

Country Status (1)

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FR (1) FR2618630A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0420361A1 (en) * 1989-09-27 1991-04-03 MANNESMANN Aktiengesellschaft Circuit board for electronic or electromechanic devices
US5257941A (en) * 1991-08-15 1993-11-02 E. I. Du Pont De Nemours And Company Connector and electrical connection structure using the same
US5282751A (en) * 1991-07-31 1994-02-01 Nai Hock Lwee Connector apparatus
US5890912A (en) * 1996-09-11 1999-04-06 Cooper Automotive Products, Inc. Contact terminal with linear contact region

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0116396A2 (en) * 1983-01-06 1984-08-22 Crystalate Electronics Limited Electrical assembly
EP0201236A1 (en) * 1985-04-29 1986-11-12 Allied Corporation Electric circuit board assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0116396A2 (en) * 1983-01-06 1984-08-22 Crystalate Electronics Limited Electrical assembly
EP0201236A1 (en) * 1985-04-29 1986-11-12 Allied Corporation Electric circuit board assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 26, no. 4, septembre 1983, page 1853, New York, US; B.L.HENLEY et al.: "Power supply contruction for use on printed circuit boards" *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0420361A1 (en) * 1989-09-27 1991-04-03 MANNESMANN Aktiengesellschaft Circuit board for electronic or electromechanic devices
US5282751A (en) * 1991-07-31 1994-02-01 Nai Hock Lwee Connector apparatus
US5257941A (en) * 1991-08-15 1993-11-02 E. I. Du Pont De Nemours And Company Connector and electrical connection structure using the same
US5890912A (en) * 1996-09-11 1999-04-06 Cooper Automotive Products, Inc. Contact terminal with linear contact region

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