EP1371113B1 - Stromverbinder für eine gedruckte schaltung - Google Patents

Stromverbinder für eine gedruckte schaltung Download PDF

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Publication number
EP1371113B1
EP1371113B1 EP02752881A EP02752881A EP1371113B1 EP 1371113 B1 EP1371113 B1 EP 1371113B1 EP 02752881 A EP02752881 A EP 02752881A EP 02752881 A EP02752881 A EP 02752881A EP 1371113 B1 EP1371113 B1 EP 1371113B1
Authority
EP
European Patent Office
Prior art keywords
opening
pins
pin
printed circuit
power
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.)
Expired - Lifetime
Application number
EP02752881A
Other languages
English (en)
French (fr)
Other versions
EP1371113A1 (de
Inventor
Alain Barbion
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 Systemes de Controle Moteur SAS
Original Assignee
Valeo Systemes de Controle Moteur SAS
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 Valeo Systemes de Controle Moteur SAS filed Critical Valeo Systemes de Controle Moteur SAS
Publication of EP1371113A1 publication Critical patent/EP1371113A1/de
Application granted granted Critical
Publication of EP1371113B1 publication Critical patent/EP1371113B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the present invention relates to a power connector that can be used in particular in a printed circuit board intended for example for the control of electric and especially electromagnetic actuators.
  • the connector has a relatively compact structure that allows good transmission of relatively high power electrical currents and easy introduction of the support in the base parallel to the bearing surface.
  • This connection does not require bending the conductors to run parallel to the printed circuit. This contributes to a minimal footprint connection.
  • the pin comprises a tab which is cut in a conductive plate forming the printed circuit and is folded to extend perpendicularly to the conductive plate.
  • the pin is then made particularly simple in one piece with the conductive plate forming the printed circuit.
  • the invention is here described in relation to a printed circuit board intended to receive a power module (not shown) of known type and associated with a power connector for supplying the power supply of an electric actuator (not shown). ) connected to the power module via the connector.
  • the card generally designated 1
  • the card comprises an insulating plate 2 having two opposite faces 3 and 4 carrying a control circuit 5 and two power circuits generally designated 6 and 7.
  • the control circuit 5 is in the form of conductive tracks printed on the face 3 of the insulating plate 2.
  • the control circuit 5 is connected to the power module to ensure the transmission of low power control signals from and to destination of the power module and to connect the power circuits 6 and 7 to the power module via short lengths that can transmit signals of higher power without undergoing a heating risk of damaging them.
  • the power circuits 6 and 7 are of lead frame type and respectively comprise a conductive plate 8 fixed on the face 4 of the insulating plate 2 and a conductive plate 9 fixed on the conductive plate 6.
  • the conductive plates 8, 9 are made of copper of sufficient thickness for the conduction of power and delimit conductive tracks.
  • the conductive plates 8, 9 furthermore comprise bores 40, 41 for the passage of the pins connection of the power module and other components possibly mounted on the card, such as coils 12, one of which is visible on the figure 2 .
  • the holes 40, 41 have a section greater than that of the connection pins so that the connection pins are not in contact with the plates 8, 9.
  • the conductive plates 8, 9 are each wrapped in an insulating layer 10, 11 (not shown in FIG. figure 1 but visible on the figure 2 ).
  • the insulating layers 10 and 11 are here formed by flexible sheets of insulating material having an adhesive face for their fixing on the conductive plates 8, 9. Thanks to the insulating layers 10, 11 interposed between the conductive plates 8 and 9, the circuits power 6 and 7 can be arranged one on the other, which limits the size.
  • the insulating layers 10, 11 have openings facing the holes 40, 41.
  • Tracks of the conductive plate 8 comprise end portions 38 extending substantially perpendicular to the conductive plate 8 projecting from the insulating layer 10.
  • tracks of the conductive plate 9 comprise portions of the conductive plate 8.
  • end 39 extending substantially perpendicular to the conductive plate 9 projecting from the insulating layer 11. It will be noted that the power circuits can thus form subsets ready to be mounted on printed circuits.
  • the end portions 38 are received in holes 42 formed in the insulating plate 2 and each have a free end protruding from the control circuit 5 and fixed to a portion thereof.
  • the end portions 39 are received in holes 43 formed in the power circuit 6 and in corresponding holes 42 of the insulating plate. 2 and each have a free end protruding from the control circuit 5 and attached to a section thereof.
  • the free ends of the end portions 38, 39 are fixed to the control circuit 5 by a weld.
  • control circuit 5 has a very small length to enable them to conduct relatively high currents (of the order of 20 amperes) without undergoing too much heating which could damage them.
  • the end portions 38, 39 provide on the one hand the connection of the conductive plates 8, 9 with the control circuit 5 to transmit the power signals between the power module and the actuator and on the other hand the fixing of the power circuit 6, 7 on the insulating plate 2.
  • additional end portions 38 ', 39' are provided which are welded to sections of the control circuit 5 not connected to the power module and are only used for fixing the power circuit in question. .
  • connection of the power circuits 6, 7 of the card 1 to the electric actuator to which they are intended to be connected is provided via a connector generally designated 13.
  • the connector 13 comprises a base generally designated 14 which is made of an insulating material and is provided with a bearing surface 15 on the circuit of power 7 and a housing 16 associated with an opening 17 disposed laterally.
  • Pins generally designated 18 and 19, pass through the bearing face 15 perpendicular to it and extend into holes 20 of the base 14.
  • the pins 18 extend into openings of the power circuit 7 and have an end 21 connected to the conductive plate 8 and an opposite end forming a connecting portion 22 which protrudes into the housing 16.
  • the end 21 is extended opposite the connecting portion 22 by one of the additional end portions 38 'welded to sections of the control circuit 5 not connected to the power module.
  • the connecting portion 22 comprises two faces 23 parallel to a plane perpendicular to the opening 17 (the plane of the sheet to the figure 2 ) and a beveled edge 24 oriented towards the opening 17.
  • the pins 18 have anchor strips 25 in the insulating base 14.
  • the pins 19 are disposed beyond the pins 18 and have an end 26 connected to the conductive plate 9 and an opposite end forming a connecting portion 27 which protrudes into the housing 16.
  • the end 26 is extended to the opposite of the connecting portion 27 by one of the additional end portions 39 'received in holes 42 and welded to sections of the control circuit 5 not connected to the power module.
  • the connecting portion 27 comprises two faces 28 parallel to a plane perpendicular to the opening 17 (the plane of the sheet to the figure 2 ) and a bevelled edge 29 oriented towards the opening 17.
  • the spindle 19 has anchoring steps 30 in the insulating base 14.
  • the pins 18 and 19 are here formed of a tab which is cut in the conductive plate 8, 9 and is folded to extend perpendicularly thereto through the corresponding insulating layer 10, 11.
  • the pins 18 and 19 are arranged in two rows offset with respect to each other.
  • the pins 19 are adjacent to the opening 17 and have a height in the housing 16 which is less than that of the pins 18. This arrangement makes it possible to limit the bulk of the connector 13.
  • the base 14 also serves as a mounting support for the coils 12 whose connection pins extend into holes formed in correspondence in the base 14, in the power circuits 6, 7 and in the insulating plate 2, and have a free end protruding from the control circuit 5 and welded thereto.
  • the connector further comprises a support, generally designated 31, which is made of insulating material and is arranged to be introduced at least partially into the housing 16 through the opening 17.
  • the support 31 comprises housings 32 which each have a longitudinal slot 33 for receiving a pin 18, 19 and which each receive a plug 34 fixed in a housing 32.
  • Each plug 34 has an end connected to a connecting conductor 40 to the electric actuator (only two conductors are shown in figure 1 ) and an opposite end comprising opposite the slot 33 two flexible tabs 35 which are elastically deformable between a first state in which the two flexible tabs 35 have surfaces 36 applied against each other and a second state in which the surfaces 36 are spaced from each other (see in particular the figure 4 ).
  • the flexible tabs 35 have diverging free ends 37.
  • the plugs 34 intended to be connected to the pins 18 extend projecting and above the pins 34 intended to be connected to the pins 19 (see figure 1 ).
  • the base 14 is force-fitted on the pins 18 and 19.
  • the strips 25 and 30 are then anchored in the walls of the holes 20 and hold the base 14 resting on the power circuit 7 by its support surface 15.
  • the control circuit 5 is formed on the face 3 of the support plate 2 and the power circuits 6 and 7 and the power module and the coils 12 are mounted on the insulating plate 2 by the face 4 of it.
  • the free ends of the end portions 38, 39, 38 ', 39' and the connection pins of the power module and the coils 12 are then soldered to the control circuit 5.
  • the solder is here preferably made to the wave . It will be noted that thus all the components of the card, including the power circuits 6, 7, are fixed to the insulating plate 2 and connected to the control circuit 5 in a particularly easy manner, in a single operation.
  • connection is made by engaging the support 31 in the housing 16 through the opening 17 in a direction parallel to the bearing face 15 and the insulating plate 2.
  • Such an introduction does not require bending the conductors 44 for the parallel to the card, which allows for a minimal congestion connection.
  • the connecting portions 22, 27 of the pins 18, 19 are engaged in the slots 33 and the free ends 37 of the pins 34 come into contact with the beveled edge 24, 29 of the pins 18, 19 and are separated by it to amend the surfaces 36 in contact with the faces 23 and 28.
  • the elasticity of the material of each plug 34 maintains the surfaces 36 thereof in contact with the faces 23, 28 of the pin 18, 19 corresponding.
  • the depth of the slot 33 determines the insertion depth of the pin 18, 19 in the plug 34 so that, for a maximum depression, the surfaces 36 and faces 23, 28 extend opposite.
  • the connector 13 thus has a relatively compact structure which allows good transmission of relatively high power electrical currents and easy introduction of the support 31 into the base 14 parallel to the bearing surface 15.
  • the insulating layers 10, 11 are formed of a rigid insulating material molded around the plates 8 and 9 and the base 14 is made of the same material to form with the insulating layers 10 and a single piece generally designated 45.
  • the conductive plates 8 and 9 are then used as inserts in the mold into which is injected the material intended to form the part 45.
  • pins 18, 19 have been described as being cut in the conductive plates 8, 9 and folded to extend perpendicularly to the plates, which simplifies the structure of the power circuits 6, 7, the pins 18, 19 can be reported on the power circuits 6, 7.
  • the support plate 2 may be made of a heat-conducting material such as aluminum (an insulating insulating layer then being interposed between the plate and the circuits) in order to contribute to the cooling of the circuits.
  • the insulating layer 10, 11 may cover only one face of the conductive plate 8, 9.
  • the card may comprise only one power circuit or more than two power circuits.
  • the pins 18, 19 may be arranged differently, their positions being for example able to be reversed.

Claims (5)

  1. Leistungssteckverbinder (13) für eine gedruckte Schaltung, der enthält:
    - einen isolierenden Sockel (14), der mit einer Auflageseite (15) auf der gedruckten Schaltung und mit einer Aufnahme (16) versehen ist, die einer seitlich angeordneten Öffnung (17) zugeordnet ist,
    - mindestens einen Kontaktstift (18, 19), der die Auflageseite lotrecht zu dieser durchquert,
    dadurch gekennzeichnet, dass der Kontaktstift einen Anschlussabschnitt (22, 27) hat, der sich in der Aufnahme vorstehend erstreckt und zwei Seiten (23, 29) parallel zu einer Ebene lotrecht zur Öffnung aufweist,
    wobei der Steckverbinder enthält
    - einen isolierenden Träger (31), der angeordnet ist, um zumindest teilweise durch die Öffnung in die Aufnahme eingeführt zu werden,
    - und mindestens einen Stecker (34), der fest mit dem Träger verbunden und mit zwei flexiblen Laschen (35) versehen ist, um auf die Seiten des Anschlussabschnitts des Kontaktstifts aufgelegt zu werden.
  2. Leistungssteckverbinder nach Anspruch 1, dadurch gekennzeichnet, dass der Kontaktstift (18, 19) eine Lasche enthält, die in einer die gedruckte Schaltung bildenden leitenden Platte (8, 9) ausgeschnitten und umgebogen ist, um sich lotrecht zur Platte zu erstrecken.
  3. Leistungssteckverbinder nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Kontaktstift (18, 19) mindestens eine Verankerungsverzahnung (25, 30) im isolierenden Sockel (14) enthält.
  4. Leistungssteckverbinder nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass er mehrere Kontaktstifte (18, 19), die im isolierenden Sockel (14) gemäß mindestens einer ersten und einer zweiten zueinander versetzten Reihe angeordnet sind, und mehrere Stecker (34) enthält, die entsprechend im isolierenden Träger (31) angeordnet sind.
  5. Leistungssteckverbinder nach Anspruch 4, dadurch gekennzeichnet, dass, wenn die erste Reihe der Öffnung (17) benachbart ist, die Kontaktstifte (19) dieser Reihe eine geringere Höhe als eine Höhe der Kontaktstifts (18) der zweiten Reihe haben.
EP02752881A 2001-03-21 2002-03-21 Stromverbinder für eine gedruckte schaltung Expired - Lifetime EP1371113B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0103808 2001-03-21
FR0103808A FR2822598B1 (fr) 2001-03-21 2001-03-21 Connecteur de puissance pour circuit imprime
PCT/FR2002/000989 WO2002075855A1 (fr) 2001-03-21 2002-03-21 Connecteur de puissance pour circuit imprime

Publications (2)

Publication Number Publication Date
EP1371113A1 EP1371113A1 (de) 2003-12-17
EP1371113B1 true EP1371113B1 (de) 2009-12-30

Family

ID=8861374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02752881A Expired - Lifetime EP1371113B1 (de) 2001-03-21 2002-03-21 Stromverbinder für eine gedruckte schaltung

Country Status (7)

Country Link
US (1) US7147487B2 (de)
EP (1) EP1371113B1 (de)
JP (1) JP4152190B2 (de)
DE (1) DE60234913D1 (de)
ES (1) ES2338770T3 (de)
FR (1) FR2822598B1 (de)
WO (1) WO2002075855A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5248398B2 (ja) * 2009-04-07 2013-07-31 富士通コンポーネント株式会社 コネクタ

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208026A (en) * 1961-10-31 1965-09-21 Elco Corp Protector of printed circuit contacts
US4678264A (en) * 1983-03-30 1987-07-07 Amp Incorporated Electrical and fiber optic connector assembly
US4742988A (en) * 1985-01-23 1988-05-10 Aisin Seiki Kabushikikaisha Electrical apparatus including solenoid device and energization control circuit therefor
EP0375776B1 (de) * 1986-12-19 1995-02-15 Fanuc Ltd. Motorantriebseinheit
US4872844A (en) * 1988-07-08 1989-10-10 Amp Incorporated Component-carrying adapter for chip carrier socket
DE9103960U1 (de) * 1991-04-02 1991-06-27 Amp Inc., Harrisburg, Pa., Us
DE4307134C2 (de) * 1993-03-06 2002-04-04 Bosch Gmbh Robert Steckerleiste für elektronische Steuergeräte in Kraftfahrzeugen
US5364280A (en) * 1993-07-16 1994-11-15 Molex Incorporated Printed circuit board connector assembly
US5510960A (en) * 1994-08-05 1996-04-23 Square D Company Connector assembly for a motor control unit
DE9412680U1 (de) * 1994-08-05 1995-12-07 Weco Wester Ebbinghaus & Co Steckverbinder für gedruckte Schaltungen
US5685729A (en) * 1995-06-02 1997-11-11 General Motors Corporation Electrical connector and vent tube assembly with connector position assurance
SG101926A1 (en) * 1999-11-12 2004-02-27 Molex Inc Power connector
US6850417B2 (en) * 2001-07-17 2005-02-01 Dell Products L.P. Integrated expansion card slot status indicator and power actuator

Also Published As

Publication number Publication date
JP4152190B2 (ja) 2008-09-17
EP1371113A1 (de) 2003-12-17
JP2004530263A (ja) 2004-09-30
ES2338770T3 (es) 2010-05-12
DE60234913D1 (de) 2010-02-11
US7147487B2 (en) 2006-12-12
FR2822598B1 (fr) 2003-06-20
WO2002075855A1 (fr) 2002-09-26
US20040105238A1 (en) 2004-06-03
FR2822598A1 (fr) 2002-09-27

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