WO2010052202A1 - Support pour composant - Google Patents

Support pour composant Download PDF

Info

Publication number
WO2010052202A1
WO2010052202A1 PCT/EP2009/064503 EP2009064503W WO2010052202A1 WO 2010052202 A1 WO2010052202 A1 WO 2010052202A1 EP 2009064503 W EP2009064503 W EP 2009064503W WO 2010052202 A1 WO2010052202 A1 WO 2010052202A1
Authority
WO
WIPO (PCT)
Prior art keywords
strip conductor
component
terminal
component support
terminals
Prior art date
Application number
PCT/EP2009/064503
Other languages
English (en)
Inventor
Wilfried Biehl
Original Assignee
Tyco Electronics Amp 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 Tyco Electronics Amp Gmbh filed Critical Tyco Electronics Amp Gmbh
Publication of WO2010052202A1 publication Critical patent/WO2010052202A1/fr

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/02Arrangements of circuit components or wiring on supporting structure
    • H05K7/026Multiple connections subassemblies
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/10Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/20Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern
    • H05K3/202Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern using self-supporting metal foil pattern
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/325Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by abutting or pinching, i.e. without alloying process; mechanical auxiliary parts therefor
    • H05K3/326Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by abutting or pinching, i.e. without alloying process; mechanical auxiliary parts therefor the printed circuit having integral resilient or deformable parts, e.g. tabs or parts of flexible circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03Conductive materials
    • H05K2201/0332Structure of the conductor
    • H05K2201/0335Layered conductors or foils
    • H05K2201/0338Layered conductor, e.g. layered metal substrate, layered finish layer or layered thin film adhesion layer
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03Conductive materials
    • H05K2201/0332Structure of the conductor
    • H05K2201/0364Conductor shape
    • H05K2201/0379Stacked conductors
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03Conductive materials
    • H05K2201/0332Structure of the conductor
    • H05K2201/0388Other aspects of conductors
    • H05K2201/0397Tab
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10431Details of mounted components
    • H05K2201/1059Connections made by press-fit insertion
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10613Details of electrical connections of non-printed components, e.g. special leads
    • H05K2201/10742Details of leads
    • H05K2201/1075Shape details
    • H05K2201/10818Flat leads
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/328Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by welding

Definitions

  • the invention relates to a component support, comprising a strip conductor formed from a pressed screen and comprising at least one electrical terminal arranged on the strip conductor, and to a plug-in assembly comprising a component support.
  • Plug-in assemblies are used for example in the electric motor of a motor vehicle.
  • the plug-in assembly comprises a component support with strip conductors on which terminals for the connection of electrical components are arranged. Electrical components of this type include relays, switches, fuses and the like, and may be welded onto the terminals or mechanically and electrically connected in some other way.
  • a flat structure produced by punching also known as a "lead frame” is conventionally used as a component support.
  • the component support is generally punched out from a single-piece metal plate so as to achieve a high current carrying capacity, and this leads to high rigidity, in particular even for the terminals for the electrical components.
  • Component supports of this type made from a single-piece metal plate are known inter alia from DE 89 12 914 Ul.
  • This document discloses a plug-in assembly in which a conductor arrangement is produced from a single-piece sheet-metal strip. The conductor arrangement is coated in part with plastics material.
  • the terminals of the component support are bends of the conductor assembly and are produced by bending un-coated sheet-metal portions.
  • An electrical connection between electrical components and the terminals of the support is produced by dip soldering in a soldering bath.
  • a drawback of a single-piece component support of this type is that the high rigidity of the component support terminal, required for the high current carrying capacity, can lead to a force being exerted on the electrical component when said electrical component is attached to the component support, and this can substantially alter the properties of the component to the point where the component fails.
  • the object of the invention is achieved by a component support according to claim 1 and by a plug-in assembly according to claim 8. Further advantageous embodiments of the invention are specified in the dependent claims.
  • the invention comprises a component support comprising a strip conductor formed from a pressed screen and comprising at least one electrical terminal arranged on the strip conductor, the terminal projecting out of the plane of the strip conductor and being constructed for the attachment of an electrical component, and the terminal of the strip conductor being constructed in a plurality of layers.
  • An advantage of the component support according to the invention is that the multi- layer construction provides high flexibility for the strip conductor terminals at the same time as a high current carrying capacity, and this prevents a damaging exertion of force on an electrical component when it is attached to the terminal. This means that damage to the electrical component and to the plug-in assembly can be minimised.
  • the electrically conductive layers of the component support terminal are made of copper.
  • the advantage of copper is that it is a relatively soft metal, which is highly pliable and ductile and therefore easy to work with. Furthermore, copper is suitable for electrically conductive wires and cables, strip conductors such as component supports and components because of its high electrical conductivity.
  • the strip conductors of the component support are coated, preferably by way of an injection moulding process. This has the advantage that because of the injection moulding, the component support has an inherent rigidity and therefore the desired stability.
  • the pressed screen for the strip conductors and the terminal are formed in one piece. This allows greater material cross-sections and thus an increased current carrying capacity to be achieved, leading to reduced heating of the pressed screen, it moreover being possible to dissipate this heat without any effect on the component support and the electrical component. Furthermore, the plurality of electrically conductive layers allows flexibility of the terminals of the strip conductors.
  • Fig. 1 shows a plug-in assembly comprising a component support and an electrical component, Fig. IA being a top view and Fig. IB being a bottom view of the plug-in assembly;
  • Fig. 2 is a detail of the component support of Fig. 1;
  • Fig. 3 is a top view of a component support terminal of Fig. 1;
  • Fig. 4 is a detail of the electrical component of Fig. 1.
  • Fig. 1 shows a plug-in assembly which is used for an electric motor in a motor vehicle, preferably in a passenger vehicle or in a freight vehicle.
  • the invention is not intended to be restricted to an embodiment of this type, but to include all devices in which plug-in assemblies may be used.
  • Fig. IA is a top view of the plug-in assembly 1, a region of the plug-in assembly 1 being shown in a cut-out. In this cut-out region of the plug-in assembly 1, a component support 2 can be seen, which is embedded in an injection-moulded housing 3 and to which an electrical component 4 can be attached.
  • Fig. IB is a bottom view of the injection-moulded housing 3 of the plug-in assembly 1.
  • the electrical component 4 and the electrical contacts 12, which project out of the injection-moulded housing 3 can be seen.
  • the electrical contacts 12 of the component support 2 or of the strip conductor 20 mean that the plug-in assembly 1 and an appropriate counter part on the electric motor can be electrically connected.
  • the electrical contacts 12 further make it possible to attach various types of plug.
  • the injection-moulded housing 3 comprises plug connections 13 on the lower side. The plug connections 13 fasten the plug-in assembly 1 in the electric motor on the one hand and fix the electrical component 4 on the other hand.
  • the component support 2 which can be seen more clearly in the detail of Fig. 2, has a flat structure which is produced by punching and which acts as a strip conductor 20.
  • L-shaped and in some cases T-shaped lines are formed in the strip conductor region, to which the electrical component 4 is attached.
  • Terminals 21, 22, 23, 24, 25, 26 are provided in the region of the L-shaped and T-shaped lines of the strip conductor 20 and allow the attachment of the electrical component 4 to the strip conductor 20.
  • the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 are bent out from the plane of the strip conductor and thus arranged perpendicular to the strip conductor 20.
  • the front four terminals 21, 22, 23, 24 of the strip conductor 20 are constructed so as to be wider than the rear two terminals 25, 26 of the strip conductor 20.
  • the electrical component 4 is mechanically fixed to the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 and electrically coupled to the terminals 21, 22, 23, 24, 25, 26.
  • the - A - component terminals 41, 42, 43, 44, 45 and the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 are positioned so as to fit precisely onto one another, allowing a good electrical connection to be established between the electrical component 4 and the component support 2.
  • the component terminals 41, 42, 43, 44, 45 are welded onto the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 in order to produce a secure connection.
  • the electrical component 4 which is fastened to the terminals 21, 22, 23, 24, 25, 26 of the strip conductors 20 and shown in detail in Fig. 4, is a relay.
  • Other electrical components may also be used, such as fuses, switches, resistors or the like.
  • the electrical component 4 comprises a casing 40 which is produced from a non-conductive material, preferably from a thermoplastic plastics material.
  • Thermoplastic plastics material has good electrical insulation properties. Other highly electrically insulating materials may also be used.
  • the material on the lower side of the electrical component 4 is also thermoplastic plastics material.
  • Component terminals 41, 42, 43, 44, 45 project from the lower side of the casing 40 of the electrical component 4 and are made of electrically conductive copper.
  • the component terminals 41, 42, 43, 44, 45 are preferably formed so as to be rigid and typically consist of a copper plate, as this is particularly highly conductive.
  • the component terminals 41, 42, 43, 44, 45 may also, however, consist of another electrically conductive material.
  • Five component terminals 41, 42, 43, 44, 45 are shown, the rear component terminals 44, 45, being constructed so as to be narrower than the front three component terminals 41, 42, 43 in such a way that they correspond in shape to the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 and can be fastened to the terminals 21, 22, 23, 24, 25, 26.
  • the component support 2 is preferably coated with plastics material by injection moulding. In the process, the component support 2 is inserted into the injection mould for the plug-in assembly 1 and coated with moulding compound, in particular plastics material, during the injection moulding.
  • the moulding compound is preferably a thermoplastic plastics material.
  • Thermoplastic plastics materials are plastics materials which are highly deformable within a particular temperature range. Examples of thermoplastic plastics materials are polyvinyl chloride and polyethylene terephthalate. Other highly electrically insulating materials may also be used. Coating the component support 2 with plastics material has the advantage of providing the component support 2 with the desired stability. Parts of the component support 2 which are not to be coated, such as the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 for the electrical component 4 and electrical contacts 12, may be kept free of the moulding compound by appropriate partition walls or separation chambers.
  • the plug-in assembly 1 comprises spacers 10 and supports 11 which are attached in the interior of the plug-in assembly 1 and are provided for fitting and centring the plug-in assembly 1.
  • the plug-in assembly 1 may also, however, be formed without spacers 10 and supports 11.
  • the electrical component 4 is fastened to the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20, which terminals are kept free by the partition walls or the separation chambers.
  • the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 are constructed so as to be flexible in such a way that an exertion of force damaging to the internal properties of the electrical component 4 can be prevented. The flexibility of the terminals
  • a layer construction 5 which is composed of a plurality of electrically conductive layers 50, as is shown in the view of Fig. 3.
  • the electrically conductive layers 50 of the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 are preferably made of copper. Copper is a relatively soft metal, which is highly pliable and ductile and therefore easy to work with. In addition, copper exhibits excellent electrical conductivity. Alternatively, the electrically conductive layers 50 may also be made of any other conductive material, such as aluminium. Aluminium is an even better electrical conductor than copper per gram of weight, but is more voluminous. Because copper is more inert than aluminium and less problematic to work with, copper is generally used as a conductor with aluminium only being used where the component support is concerned.
  • the layer construction 5 of the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 comprises at least two electrically conductive layers 50. In the embodiment shown in Fig. 3, the layer construction 5 is composed of four electrically conductive layers 50.
  • the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 may also, however, consist of more or fewer than the four electrically conductive layers 50 specified.
  • the strip conductor 20 are preferably formed in one piece, the strip conductor 20 also consisting of a plurality of electrically conductive layers 50 in this case.
  • the terminals 21, 22, 23, 24, 25, 26 and the conductor strip 20 may also be constructed in some other way.
  • the component support 2 may be formed in a single layer, whilst the terminals 21, 22, 23, 24, 25, 26 of the conductor strip 20 are formed in a plurality of layers so as to have the required flexibility.
  • the flexibility of the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 is improved by a preferably point-like connection of the electrically conductive layers 50.
  • the electrically conductive layers 50 are interconnected by welding, riveting, adhesive bonding, flanging and/or the like.
  • the flexibility in the region of the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 is advantageous because the electrical component 4 is mechanically fixed and electrically coupled in this region. In this way, a damaging exertion of force in the electrical component 4 can be prevented.
  • the component terminals 41, 42, 43, 44, 45 are welded to the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20.
  • the strip conductor 20 which may also be composed of electrically conductive layers 50 as explained above, is preferably rigid, since only the terminals 21, 22, 23, 24, 25, 26 of the strip conductor 20 have to be flexible. This is provided by the injection-moulding process for producing the plug-in assembly 1.
  • the strip conductor 20 is also coated with plastics material in part during the injection-moulding process. This provides the strip conductor 20 with the desired stability.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

L'invention porte sur un support pour composant (2) comprenant un conducteur en ruban (20) formé à partir d'un grillage compressé et comprenant au moins une borne électrique (21, 22, 23, 24, 25, 26) disposée sur le conducteur en ruban (20), la borne (21, 22, 23, 24, 25, 26) faisant saillie du plan du conducteur en ruban et étant construite pour la fixation d'un composant électrique (4) et la borne (21, 22, 23, 24, 25, 26) du conducteur en ruban (20) étant construite avec une pluralité de couches.
PCT/EP2009/064503 2008-11-04 2009-11-03 Support pour composant WO2010052202A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008055836.2 2008-11-04
DE200810055836 DE102008055836B4 (de) 2008-11-04 2008-11-04 Bauteilträger

Publications (1)

Publication Number Publication Date
WO2010052202A1 true WO2010052202A1 (fr) 2010-05-14

Family

ID=41682856

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/064503 WO2010052202A1 (fr) 2008-11-04 2009-11-03 Support pour composant

Country Status (2)

Country Link
DE (1) DE102008055836B4 (fr)
WO (1) WO2010052202A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130147267A1 (en) * 2010-06-25 2013-06-13 Gerhard Wetzel Encapsulated control module for a motor vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8912914U1 (de) * 1989-11-02 1989-12-28 IVO Irion & Vosseler GmbH & Co., 7730 Villingen-Schwenningen Leiteranordnung aus gestanzten Leiterbahnen
EP0887884A2 (fr) * 1997-05-28 1998-12-30 Harness System Technologies Research, Ltd. Structure de barres conductrices
EP1186478A2 (fr) * 2000-09-08 2002-03-13 Sumitomo Wiring Systems, Ltd. Circuit à barres conductrices, boítier de connexion contenant ce circuit
EP1301063A2 (fr) * 2001-10-08 2003-04-09 Wolf Neumann-Henneberg Grille estampée avec contact de connexion pour reçevoir un couteau
WO2003041227A1 (fr) * 2001-11-07 2003-05-15 Leopold Kostal Gmbh & Co. Kg Systeme comprenant un module de type panneau et une unite de raccordement, procede de production et utilisation correspondants

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5014113A (en) * 1989-12-27 1991-05-07 Motorola, Inc. Multiple layer lead frame
DE19707709C1 (de) * 1997-02-26 1998-04-16 Siemens Ag Leiterplatte für elektrische Schaltungen und Verfahren zur Herstellung einer solchen Leiterplatte, sowie Anordnung einer Leiterplatte auf einem Stecksockel
DE10352761B4 (de) * 2003-11-12 2006-06-08 Wolf Neumann-Henneberg Anschlusskontakt zur elektrischen Kontaktierung einer Leiterplatte oder eines Stanzgitters
DE202004014353U1 (de) * 2004-09-13 2005-01-05 Apparatebau Kirchheim-Teck Gmbh Stecksockel für mindestens ein elektrisches Bauteil
US7104812B1 (en) * 2005-02-24 2006-09-12 Molex Incorporated Laminated electrical terminal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8912914U1 (de) * 1989-11-02 1989-12-28 IVO Irion & Vosseler GmbH & Co., 7730 Villingen-Schwenningen Leiteranordnung aus gestanzten Leiterbahnen
EP0887884A2 (fr) * 1997-05-28 1998-12-30 Harness System Technologies Research, Ltd. Structure de barres conductrices
EP1186478A2 (fr) * 2000-09-08 2002-03-13 Sumitomo Wiring Systems, Ltd. Circuit à barres conductrices, boítier de connexion contenant ce circuit
EP1301063A2 (fr) * 2001-10-08 2003-04-09 Wolf Neumann-Henneberg Grille estampée avec contact de connexion pour reçevoir un couteau
WO2003041227A1 (fr) * 2001-11-07 2003-05-15 Leopold Kostal Gmbh & Co. Kg Systeme comprenant un module de type panneau et une unite de raccordement, procede de production et utilisation correspondants

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130147267A1 (en) * 2010-06-25 2013-06-13 Gerhard Wetzel Encapsulated control module for a motor vehicle
US9637073B2 (en) * 2010-06-25 2017-05-02 Robert Bosch Gmbh Encapsulated control module for a motor vehicle

Also Published As

Publication number Publication date
DE102008055836A1 (de) 2010-05-12
DE102008055836B4 (de) 2010-08-19

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