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EP1271699A1 - Verbinder für Leiterplatten - Google Patents

Verbinder für Leiterplatten Download PDF

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Publication number
EP1271699A1
EP1271699A1 EP02013766A EP02013766A EP1271699A1 EP 1271699 A1 EP1271699 A1 EP 1271699A1 EP 02013766 A EP02013766 A EP 02013766A EP 02013766 A EP02013766 A EP 02013766A EP 1271699 A1 EP1271699 A1 EP 1271699A1
Authority
EP
European Patent Office
Prior art keywords
section
blade
groove
contact
connector according
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Withdrawn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
EP02013766A
Other languages
English (en)
French (fr)
Inventor
Franck Breuillaud
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.)
FCI SA
Original Assignee
FCI SA
Framatome Connectors International 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 FCI SA, Framatome Connectors International SAS filed Critical FCI SA
Publication of EP1271699A1 publication Critical patent/EP1271699A1/de
Withdrawn legal-status Critical Current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
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures

Definitions

  • the present invention relates to a connector or interconnection device for connecting two printed circuits, in particular two parallel printed circuits between them.
  • the connector according to the invention is a connector making it possible to resolve these problems and therefore ensure optimal use and reliability of circuits interconnected printed matter, in particular in the automotive field.
  • the grooves can in particular comprise at least one substantially flat section, the blades for their part comprising at least one substantially planar part retained in the groove and in a direction perpendicular to the groove.
  • each blade of the connector is a leaf spring having a U-shaped area between a first contact termination and a second contact termination, at least one of said contact terminations having a bent part, while each groove of the frame ends in a wall support for the bent part of a blade inserted in the groove.
  • each blade is a spring blade having a U-shaped area between a first substantially flat part and a second substantially flat part flat, the first of said contact terminations having a bent part, the bent part and the U-shaped area being arranged to extend or be turned towards a same side with respect to the first substantially planar part in the same direction.
  • the frame may include openings opening the housings on a face opposite to the face of the frame carrying the grooves, the U-shaped area protruding from the frame through these openings.
  • the spring zone of each leaf consists of a first section substantially planar, of a second substantially planar section and of a section curve connecting the first section to the second section.
  • the first stretch advantageously in a plane inclined with respect to the plane in which extends the second section.
  • the inclination (for example from 1 to 30 °, advantageously from 2 at 15 °, in particular from 3 to 10 °) of said first and second sections is such that the first section is less distant from the second section in the vicinity of the part curve.
  • each blade has a pin contact and a triangular area located between the pin and the U-shaped spring area, said triangular area serving as a support area against the printed circuit.
  • This zone triangular allows to put the U-shaped spring area under stress when this triangular area leans against a printed circuit. This constraint ensures an alignment in height of the pins relative to each other, in particularly at their soldering area on the printed circuit.
  • the frame comprises means guiding or controlling the fixing of the connector with the circuits to be connected.
  • Such means are for example lugs or fingers of particular shape, grooves in the frame, etc.
  • the invention also relates to a printed circuit connected to at least one connector according to the invention, to allow its connection to another printed circuit.
  • the connector has blades each ending in a pin which is soldered to the printed circuit.
  • Still another object of the invention is a set comprising two circuits printed matter connected to each other by means of a connector according to the invention.
  • the connector consists of a frame 1 having on one of its longitudinal and perpendicular faces to two printed circuits 22, 26 to be connected elongated blade receiving grooves, these blades having at their ends means 12, 28, 31 for connection to the printed circuits 22, 26, the blades further comprising at least one substantially planar section 11 received in a substantially flat section of the grooves and a spring section 14, the spring section blades being positioned in a housing or opening of the frame, this housing being oriented in a direction perpendicular to the grooves and being intersecting with the grooves.
  • Figure 1 shows a frame 1 made of insulating material, this frame 1 having a series of grooves 2 each comprising lugs or fixing fingers 3.
  • Each groove 2 comprises a first substantially flat section 4 (FIG. 4), a second substantially flat section 5, said sections being separated from each other by a opening 6 of the frame 1.
  • the frame 1 has support faces 7, 8, 9 substantially perpendicular to the longitudinal direction L of the groove, the face 7 is a face end of the frame, while the faces 8 and 9 are opposite faces of the opening.
  • the section 4 has a widening 40 possibly extended by a part hollow or a recess. This enlargement is intended to receive an enlarged part 41 of blade 10, serving as a means for limiting, preferably avoiding any movement of a section of the leaf spring relative to the frame 1.
  • Each groove 2 is intended to receive a spring leaf 10.
  • the direction longitudinal of this groove extends perpendicular to the printed circuits to connect and receive a substantially flat section 11 of the blade 10,
  • this strip 10 (made of a conductive material of electricity) consists of a first substantially flat section 11 associated with a elbow 12 (substantially perpendicular to the section 11), of a second section 13 substantially flat, and a U-shaped spring section 14 extending between the sections 11 and 13.
  • the spring section is received in an opening 6 of the frame extending the secant housing with the groove and protruding from the frame by this opening.
  • the spring section 14 may include a first substantially planar section 15 (forming an angle ⁇ of between 90 and 120 ° with the section 11 of the blade), of a second substantially flat section 16 (forming an angle ⁇ between 90 ° and 120 ° with the section 13 of the blade) and a curved section 17 connecting the first section 15 to the second section 16 of the spring section 14.
  • This curved section 17 has in longitudinal section, a shape corresponding to part of a circle, said part of a circle advantageously corresponding to an arc of a circle between 150 ° and 179 °, in particular between 160 ° and 175 °.
  • the first section 15 extends in a plane inclined relative to the plane in which extends the second section 16.
  • the angle ⁇ between said planes is for example between 5 and 15 °. In its normal state (not stressed), the first section 15 is less distant from the second section 16 in the vicinity of the curved part 17.
  • the leaf spring 10 is placed in a groove 2 of the frame so that it is retained thanks to the pins or fixing fingers 3.
  • the blade is in particular retained in the groove in a direction perpendicular to the main axis of the groove but can possibly slide in the groove.
  • the sections 11 and 13 of the blade bear respectively on the section 4 of the groove and on section 5 of the groove.
  • the spring section 14 extends in turn in opening 6.
  • the spring section allows longitudinal movements of the section 16, the section 15 remaining substantially stationary.
  • the elbow 12 is supported on the bearing face 7 ending the groove.
  • the frame 1 has at its end 18 (Figure 3) adjacent the ends of the elbows 12 of the blades 10, two fingers 19, 20 for guiding in a printed circuit 22, the fingers 19.20 possibly being different from each other, for example of cross-section different so as to give a bias to the frame so as not to allow its insertion only in one direction, and being each intended to be housed in a hole 21A specifically adapted from the printed circuit 22. This avoids the placement of the connector in an inappropriate direction with respect to the first circuit printed.
  • the frame has a guide and repiloting finger 24 adapted to engage in a specific hole in the printed circuit 26.
  • This finger can have a length such that it helps to pre-position connector 1 in relation to holes 58 receiving the pins 18.
  • each section 13 of the blades 10 is extended by a pin 28 received in an electrical connection hole 58 of the printed circuit 26.
  • a triangular zone 29 extends between the pin 28 and the section 13 of the blades 10. This triangular zone 29 serves as a stop against the shoulders of the holes 58.
  • the section 13 undergoes a movement towards section 11 of the blade, movement to against the action of the leaf spring area 10.
  • the stressing of all the pins 28 ensures alignment of the pins in height relative to each other to others at their soldering on the printed circuit.
  • the movement of section 13 towards section 11 can also be limited by the triangular zone. Indeed after a certain predetermined displacement, the triangular zone (face perpendicular to the longitudinal direction) can abut against walls sides of the groove.
  • the triangular zone forms with respect to the section 13 two stops or stops.
  • the blades 10 are provided with a layer 30 facilitating electrical connections by welding, such a layer being for example a tinned area or an area provided a coating based on silver and / or gold.
  • a layer 30 facilitating electrical connections by welding, such a layer being for example a tinned area or an area provided a coating based on silver and / or gold.
  • the pins 28 and the elbows 12 of blades are for example provided of such a layer 30.
  • Frame 1 in Figure 6 is similar to that shown in Figure 1, except that the blades 10 do not have second flat sections 13.
  • the conector thus produced comprises contact blades provided with a section plane, capable of moving longitudinally, of a spring section and of a section immobilized longitudinally.
  • the invention is applicable in particular to an inter-card connection device for which the two ends of the contact blades 10 are shaped in pins to solder or contact lugs surface mount or to a device interconnection at least one of the two ends of which is provided with pins force insertion as for example described in document US 4,274,699.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
EP02013766A 2001-06-20 2002-06-20 Verbinder für Leiterplatten Withdrawn EP1271699A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0108369A FR2826515A1 (fr) 2001-06-20 2001-06-20 Connecteur pour circuits imprimes
FR0108369 2001-06-20

Publications (1)

Publication Number Publication Date
EP1271699A1 true EP1271699A1 (de) 2003-01-02

Family

ID=8864749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02013766A Withdrawn EP1271699A1 (de) 2001-06-20 2002-06-20 Verbinder für Leiterplatten

Country Status (2)

Country Link
EP (1) EP1271699A1 (de)
FR (1) FR2826515A1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5380210A (en) * 1993-03-08 1995-01-10 The Whitaker Corporation High density area array modular connector
DE19611422A1 (de) * 1996-03-22 1997-09-25 Siemens Ag Verbinder für die elektrische Verbindung von zwei Leiterplatten miteinander
US5742484A (en) * 1997-02-18 1998-04-21 Motorola, Inc. Flexible connector for circuit boards
US5746607A (en) * 1995-07-28 1998-05-05 Itt Composants Et Instruments Smart card electrical connector
US6031730A (en) * 1998-11-17 2000-02-29 Siemens Automotive Corporation Connector for electrically connecting circuit boards

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5380210A (en) * 1993-03-08 1995-01-10 The Whitaker Corporation High density area array modular connector
US5746607A (en) * 1995-07-28 1998-05-05 Itt Composants Et Instruments Smart card electrical connector
DE19611422A1 (de) * 1996-03-22 1997-09-25 Siemens Ag Verbinder für die elektrische Verbindung von zwei Leiterplatten miteinander
US5742484A (en) * 1997-02-18 1998-04-21 Motorola, Inc. Flexible connector for circuit boards
US6031730A (en) * 1998-11-17 2000-02-29 Siemens Automotive Corporation Connector for electrically connecting circuit boards

Also Published As

Publication number Publication date
FR2826515A1 (fr) 2002-12-27

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