EP1618629B1 - Connecteur electrique intercalaire destine a relier entre eux deux circuits electroniques superposes et son procede de montage - Google Patents

Connecteur electrique intercalaire destine a relier entre eux deux circuits electroniques superposes et son procede de montage Download PDF

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Publication number
EP1618629B1
EP1618629B1 EP04742587A EP04742587A EP1618629B1 EP 1618629 B1 EP1618629 B1 EP 1618629B1 EP 04742587 A EP04742587 A EP 04742587A EP 04742587 A EP04742587 A EP 04742587A EP 1618629 B1 EP1618629 B1 EP 1618629B1
Authority
EP
European Patent Office
Prior art keywords
guide
plugs
base
circuit
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.)
Expired - Lifetime
Application number
EP04742587A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1618629A2 (fr
Inventor
Roger Abadia
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 Equipements Electriques Moteur SAS
Original Assignee
Valeo Equipements Electriques 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 Equipements Electriques Moteur SAS filed Critical Valeo Equipements Electriques Moteur SAS
Publication of EP1618629A2 publication Critical patent/EP1618629A2/fr
Application granted granted Critical
Publication of EP1618629B1 publication Critical patent/EP1618629B1/fr
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
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • 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
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • 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
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • 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
    • H01R12/523—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures by an interconnection through aligned holes in the boards or multilayer board

Definitions

  • the present invention relates to an interposed electrical connector for interconnecting two superimposed electronic circuits, in particular a first electronic circuit belonging to a power stage and a second electronic circuit belonging to a control stage mounted in an electronic control unit and for control of a motor vehicle starter-alternator described, for example in the document FR A 2,745,444 which will be referred to for more details.
  • the invention is applicable to all the staged devices in which electrical information from a first electronic circuit to a second electronic circuit implanted above the electrical circuit must be passed through an intermediate connector. first electronic circuit.
  • electronic circuit is meant here any circuit comprising electrical and / or electronic components.
  • the present invention also relates to a method of mounting the connector.
  • the present invention aims to meet these wishes.
  • an intermediate connector of the above-indicated type is characterized in that it comprises a base of electrically insulating material carrying the plugs, a guide of electrically insulating material and guide means intervening between the guide and the base, in that at least some of the pins protrude from the base to be each received by their sliding free end in a housing through the guide and that the guide means comprise a first projecting portion integral with the base and a second complementary portion mounted on the first portion and secured to the guide.
  • the base is intended to be fixed on the first circuit, such as a power circuit, while the first part of the guide means is intended to traverse the second part of the guiding means as well as the second circuit, such as a lower power circuit comprising for example logic circuits.
  • the base is intended to be fixed on the second circuit while the first part of the guide means is intended to traverse the second part of the guide means as well as the first circuit.
  • the first part of the guide means therefore extends protruding from the base over a height greater than that of the projecting portion of the plugs relative to the base.
  • the plugs are well positioned relative to the first and second electrical contact zones.
  • the base is used to fix and position the plugs for example on the first circuit and initially, before mounting on the first circuit, the second portion of the guide means is threaded onto the first portion of the solidarity guide means the base equipped with the plugs, then continues the movement of relative approximation of the guide relative to the base so that the free ends of the plugs each enter their associated housing guide.
  • the first circuit is fixed on the plugs, for example by welding, and on the base, for example by snapping, so that the plugs are electrically connected to the first electrical zones of the plug. contact belonging to this first circuit.
  • the second circuit is engaged in this embodiment on the first part of the guide means.
  • the circuit concerned comes into contact with the upper face of the guide and plays the role of a pressure plate for moving the guide, with the help of the guide means, relative to the base until the plugs protrude sufficiently to be connected to the second associated electrical contact zones integral with this second circuit.
  • the plugs with the second electrical zones After fixing, for example by welding, the plugs with the second electrical zones.
  • the structures are reversed so that, after formation of the manipulable and transportable subassembly, the second circuit is fixed on the plugs, then the first circuit is engaged on the guide means.
  • the method of mounting the connector on its circuits is characterized in that the guide is adapted to occupy a pre-assembly position in which the plugs are hidden and a mounting position in which the pins are apparent following pressure exerted on the second circuit.
  • means such as projections coming from the first part of the guide means, are provided for holding the guide in its pre-assembly position.
  • the plugs are engaged in the through-slots of the just-sliding guide, while a tighter sliding fitting is used between the two parts of the guide means to make the guide captive, not to deform the plugs and to facilitate guiding.
  • the first part of the guiding means consists of columns each engaged in an adjusted and sliding manner in a complementary hole formed in the guide and constituting the second part of the guide means.
  • the base and the guide are made of electrically insulating plastic so that these parts can be economically obtained by molding and have complex shapes.
  • the base is in one embodiment provided with means for its snap-fastening on the first or the second circuit and the columns are integrally molded with the base.
  • These mounting means of the base on the first or second circuit generally comprise of projections, such as pins, and can be implanted in the axial extension of the guide posts.
  • the posts may advantageously be in one piece with the base for reducing the number of parts and a more reliable guidance or be reported on the base in the same manner as mentioned above.
  • the columns in one embodiment are integral with the means provided for fixing the base on the first or the second circuit.
  • the plugs are mounted in the base with a greater clamping than that existing between the plugs and the associated housing guide.
  • the plugs consist of tongues with chamfered free end and folded support foot to increase the contact surface with the apparent electric zones of the first or second circuit.
  • the free ends of the columns are also advantageously chamfered.
  • the plugs consist of cylindrical pins with a free end of penetrating shape.
  • all the plugs are carried by the base so that the guide has all the slots for the tabs which simplifies the manufacture of the base forming the male part of the connector and the guide forming the female part of the connector .
  • the base carries part of the plugs, advantageously the greater part thereof, and guides the other part of the plugs so that the base comprises slots and the plug guide.
  • the plugs are advantageously allowed to pass through openings in the second or first circuit with a greater clearance than that existing between the plugs and the associated slots of the guide to make up for the manufacturing tolerances, in particular the positioning tolerances of the plugs. on the first circuit.
  • Such a connector comprises a plurality of electrically conductive plugs 4, also called pins, intended to each provide an electrical connection between a first electrical contact zone 5 carried in the figures by the first electronic circuit 2 and a second electrical contact zone 6 worn by the second electric circuit 3 mounted above the first circuit 2 so that two stages are formed between which is inserted the connector 1.
  • Each circuit 2, 3 here comprises a card so that the electrical contact zones 5 and 6 are made visibly on the upper face of the cards bearing, in known manner, in particular electrical and electronic components and traces and / or metal tracks connecting with zones 5, 6.
  • the plugs provide the electrical connection between the zones 5,6 so that information can pass electrically from one circuit to another.
  • the plugs 4 consist in this embodiment in metal tabs of rectangular section having a head 7, constituting the free end of the tongue 4 of penetrating shape, and a foot 8 extending at 90 ° to the plane of the tongue 1.
  • the foot 8 is intended to come into electrical contact in the figures with the first electrical contact zone 5 of the first lower circuit 2.
  • the connection between the foot and this first zone is made for example by surface welding or through welding.
  • the foot allows, according to a characteristic, to obtain a good electrical contact with the zone 5 as well as a large welding zone and a good seat of the connector with respect to the lower circuit 2.
  • the head 7 is allowed to traverse, here with clearance to make up manufacturing tolerances, an associated opening 9 made in the second upper circuit 3.
  • This opening 9 is delimited by the second contact zone 6; the connection between the head 7 and the zone 6 being made by welding.
  • the connector 1 is captive, manipulable and transportable.
  • This connector comprises three parts 10, 11, 12, namely a base 10, a guide 11 and guide means 12.
  • the intermediate connector comprises a base 10 made of electrically insulating material carrying the plugs 4, a guide 11 made of electrically insulating material and guide means 12 acting between the guide 11 and the base 10.
  • the guide means 12 comprise a first portion 14 integral projecting of the base 10 and a second complementary portion 15 slidably mounted on the first portion 14 and secured to the guide 11.
  • the first portion 14 is intended to traverse guiding the second portion 15 and in the figures the second circuit 3 having openings 22, here in the form of holes, for this purpose.
  • the base 11 is intended to be fixed in the figures on the first circuit 2 by means of mounting means 16.
  • the tabs 4 pass through the base 10. Here all the tongues 4 are carried by the base 10, the heads 7 and the feet 8 extending on either side of the base.
  • the base 10 the guide 11 and the guide means are made of moldable plastic and electrically insulating. These parts 10,11 have a generally parallelepiped shape.
  • parts 10 and 11 have another shape.
  • the section of these pieces can be square, polygonal, circular or other.
  • the guide means 12 comprise a first part in the form of two posts 14 protruding by relative to the upper face 19 of the base on a height greater than that of the protruding part of the plugs 4 with respect to this face 19.
  • the first portion 14 of the guide means 12 is here in one piece with the base 10 having come molding with it.
  • This first part consists of columns 14 of cylindrical shape with circular section. Alternatively the columns are reported on the base.
  • the second part of the guide means 12 here consists of holes 15 of complementary shape to that of the posts 14.
  • the holes 15 pass through the guide 11 and have here in section a circular shape.
  • the columns 14 and the holes are of other than circular section, for example rectangular or square.
  • the posts 14 each have a chamfered free ends to facilitate their mounting in the holes 15 as well as in holes 22 of the circuit 3 aligned with the holes 15.
  • the posts 14 and the holes 15 extend in the vicinity of the lateral faces respectively of the base 10 and the guide 11.
  • the guide 11 is thus allowed to slide along the columns and this advantageously in a controlled and slippery manner.
  • the guide means 12 are located at the side faces of the base and the guide and consist of a sliding system and guide rail.
  • the mounting means 16 are also integrally molded with the base 10 and here consist of protrusions in the form of protruding pins directed in the opposite direction relative to the columns 14 being aligned therewith.
  • the pieces, as visible in the figure 3 are intended to pass through a complementary opening (not referenced) made here in the first circuit 2 so that the tabs 17 are allowed to tighten through the slots during the crossing of the opening and then to deploy to come engaged by their shoulders with the lower face of the circuit 2.
  • Fixing the base 10 here on the circuit 2, more precisely on the card thereof, is thus achieved by snapping.
  • the number of pins depends on the applications and is in the alternative greater than two, a pin being for example provided in the vicinity of each corner of the base.
  • the pins 16 are smooth and, after passing through the associated opening of the plate of the circuit 2, are advantageously deformed hot for fixing by riveting the base 10 on the circuit 2.
  • the base is fixed by screwing or bolting on the circuit board 2.
  • the base also has a plurality of housing 18 in correspondence with the housing 13 of the guide 11.
  • the housings 18 and 13 here have a rectangular section corresponding to that of the tongues 4.
  • the tongues 4 are anchored in the housings 18, for example by press fit.
  • anchoring tongues 4 laterally have projections, for example in the form of saw teeth, so that they can not emerge from the base
  • the tongues 4 are mounted in the housing 18 of the base with greater clamping than that existing between the tongues 4 and the associated housing 13 of the guide 11.
  • the tongues 4 are engaged in the housings 13 of the just-sliding guide 11, whereas a tighter sliding fitting intervenes between the two parts 14, 15 (the columns 14 and the associated holes 15) of the guiding means. 12 to make the guide captive, do not deform the tabs and facilitate guidance.
  • the tongues 4 are advantageously allowed to pass through the openings 9, here holes, made in the figures in the second circuit with greater clearance than that existing between the tongues 4 and the associated housings 13 of the guide 11 to make up manufacturing tolerances.
  • the tongues 4 are threaded into the complementary housings 18 of the base, already equipped with the columns 14 and pins 16 in one piece with the latter, to form a male part of the connector. 1 comprising the base bearing protrudingly the pins 16, the columns 14 and fixing the tabs 4 protruding.
  • the female part of the connector 1 is constituted by the guide 11.
  • the posts 14 and the tongues 4 extend in parallel projecting with respect to the upper face 19 of this base and that the posts 14 project protruding from the tongues 4 in order to be able to through the holes 15 of the guide 11 and 22 of the upper circuit board 3.
  • the length of the columns therefore depends on the applications and in particular on the distance between the two circuits 2, 3 and the thickness of the guide 11 and the base 10.
  • the guide 11 is threaded through its holes 15 onto the balusters 14 and the movement is continued to arrive at the configuration of the figure 2 in which the free ends 7 of the tongues 4 are embedded in the housings 13 of the guide without exceeding relative to the upper face 20 thereof.
  • a clearance J then exists between the lower face 21 of the guide and the upper face 19 of the base 10.
  • This position of the guide corresponds to a premounting position of the connector.
  • the posts are provided with at least one projection of low height, here with several projections 114, for holding the guide 11 in the premounting position of the connector by cooperation of the projections 114 with the lower face 21 of the guide 11.
  • the base is fixed, via its pins 16, snap-fitting here on the first circuit and the feet 8 of the tabs are welded to the zones 5.
  • the card is threaded here from the circuit 3 onto the balusters 14.
  • this card has, in the aforementioned manner, holes 22 adapted to be traversed in an adjusted and slippery manner by the balusters 14. Then pressure is continued to exert pressure P on the circuit board 3 to move it, and the guide 11 in contact with its upper face with this card, to clear the free ends 7 of the tabs 4 relative to the guide 11 and engage these ends 7 in the holes 9.
  • the columns being provided with at least one notch in which is admitted to penetrate a projection for holding the guide 11 in the premounting position of the connector.
  • the connector is thus provided with means for holding the guide in the premounting position of the connector.
  • the clearance between the holes 22 and the posts 14 is less than the clearance between the tongues 4 and the holes 9 to take account of manufacturing tolerances and facilitate assembly.
  • the connector forms a spacer between the two circuits 2,3.
  • the circuit boards 2 and 3 with the connector 1 according to the invention can belong to an electronic control and control unit of an alternator-starter, which, as we know, is a reversible alternator of the polyphase type, able to operate also in electric motor mode, in particular to start the engine of the motor vehicle as described in the documents WO 01/69762 and FR A 2,745,444 .
  • This rotating electrical machine comprises a hollow support, forming a housing, for fixing the machine on a fixed part, a stator and a rotor carrying in one embodiment a ventilation device to at least one internal fan.
  • the stator surrounds the rotor, which is integral with a rotor shaft.
  • the rotor in one embodiment described for example in the document EP A 0515 259 and his correspondent US A 5,270,605 , carries at at least one of its axial ends an internal fan for cooling the alternator-starter, the support being perforated in a known manner for forming air inlets and outlets and air circulation under the action of the rotation of the fan.
  • the alternator can be cooled by water, its support having a channel for this purpose and also be equipped with axial fans carried by its rotor.
  • This support comprises at least two parts, namely a front bearing and a rear bearing as described in FIG. document EP A 0515 259 supra. In a variant, the support comprises more than two parts
  • the support carries at its outer periphery the stator with coils and centrally bearings, such as bearings with one or two rows of balls, for rotatably mounting the rotor shaft so that the rotor and the stator are mounted to the rotor.
  • inside the support advantageously in two parts called front bearing and rear bearing.
  • the rotor is for example, as described in this document WO 01/69762 , a rotor rotor or rotor Lundel type with an excitation winding.
  • the rotor is a rotor with salient poles or of the hybrid type (permanent magnets and salient poles) as described in the document WO 02/054566 .
  • the rotor comprises a pack of cut sheets for forming housing, intended to receive permanent magnets, and for arm formations around which are wound excitation coils.
  • the housings of the magnets are closed by non-magnetic holding parts having recesses for receiving the excitation coils. These pieces extend on either side of the sheet metal bundle by being integral with this bundle, for example by means of tie-rods of the pieces and the bundles of sheets.
  • the stator windings may comprise conductor elements in the form of bars, such as generally U-shaped pins and advantageously rectangular section as described in the document FR A 2,820,896 .
  • stator windings each comprise a delta winding and a star winding of different section mounted in the same notches as described as described in the documents US A 4,163,187 and FR A 2,737,063 .
  • the stator of the machine comprises a body carried by the fixed support and coils whose phase outputs are intended to be connected to the electronic control and control unit for example by a connection device comprising cables connected to the output of the phases of the alternator-starter using a first connector and using a second connector to the electronic control and control unit.
  • This second connector is itself connected in the housing to a bridge of MOSFET type transistors controlled by signals from a control unit as described in the document.
  • FR A 2,745,444 This bridge is a bridge rectifier and phase control of the windings of the stator of the alternator-starter depending on whether it works in alternator mode or starter mode to start the engine of the motor vehicle.
  • the circuit 2 of the housing is a power circuit comprising the transistors of the MOSFET type and the circuit 3 of the housing a control and control circuit carrying the aforementioned control unit.
  • This circuit has logic components. The control signals are then transmitted using the connector 1.
  • the circuit 2 therefore constitutes a power stage close to the bottom of the housing provided with a heat sink for example finned or alternatively fluid circulation.
  • the circuit 3 is a control and control stage located at a distance from the stage 2 giving off heat.
  • this electronic command and control unit is mounted on the alternator-starter as described for example in the document WO 01/69762 supra.
  • circuits 2, 3 and the connector 1 can be mounted in a dc direct current converter as described in the application FR 02 05098 submitted on 12/04/2003 to which we will refer for more details.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Multi-Conductor Connections (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP04742587A 2003-04-28 2004-04-28 Connecteur electrique intercalaire destine a relier entre eux deux circuits electroniques superposes et son procede de montage Expired - Lifetime EP1618629B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0305170A FR2854281B1 (fr) 2003-04-28 2003-04-28 Connecteur electrique intercalaire destine a relier entre eux deux circuits electroniques superposes et son procede de montage
PCT/FR2004/001020 WO2004097998A2 (fr) 2003-04-28 2004-04-28 Connecteur electrique intercalaire destine a relier entre eux deux circuits electroniques superposes et son procede de montage

Publications (2)

Publication Number Publication Date
EP1618629A2 EP1618629A2 (fr) 2006-01-25
EP1618629B1 true EP1618629B1 (fr) 2010-05-19

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Application Number Title Priority Date Filing Date
EP04742587A Expired - Lifetime EP1618629B1 (fr) 2003-04-28 2004-04-28 Connecteur electrique intercalaire destine a relier entre eux deux circuits electroniques superposes et son procede de montage

Country Status (9)

Country Link
US (1) US7241149B2 (ko)
EP (1) EP1618629B1 (ko)
JP (1) JP2006524889A (ko)
KR (1) KR20060010762A (ko)
CN (1) CN100472883C (ko)
AT (1) ATE468632T1 (ko)
DE (1) DE602004027230D1 (ko)
FR (1) FR2854281B1 (ko)
WO (1) WO2004097998A2 (ko)

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CN104953390A (zh) * 2015-05-29 2015-09-30 汪涛 一种可锁定的供电设备接口装置
CN104916987A (zh) * 2015-05-29 2015-09-16 陈文文 一种可调速的供电设备的供电接口装置
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Also Published As

Publication number Publication date
FR2854281A1 (fr) 2004-10-29
EP1618629A2 (fr) 2006-01-25
FR2854281B1 (fr) 2005-06-17
CN100472883C (zh) 2009-03-25
CN1754288A (zh) 2006-03-29
US20060234524A1 (en) 2006-10-19
DE602004027230D1 (de) 2010-07-01
ATE468632T1 (de) 2010-06-15
US7241149B2 (en) 2007-07-10
WO2004097998A2 (fr) 2004-11-11
WO2004097998A3 (fr) 2005-01-20
KR20060010762A (ko) 2006-02-02
JP2006524889A (ja) 2006-11-02

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