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EP3714515B1 - Connecteur électrique - Google Patents

Connecteur électrique Download PDF

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Publication number
EP3714515B1
EP3714515B1 EP18816377.8A EP18816377A EP3714515B1 EP 3714515 B1 EP3714515 B1 EP 3714515B1 EP 18816377 A EP18816377 A EP 18816377A EP 3714515 B1 EP3714515 B1 EP 3714515B1
Authority
EP
European Patent Office
Prior art keywords
housing
bar
receiving groove
connector
substrate
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.)
Active
Application number
EP18816377.8A
Other languages
German (de)
English (en)
Other versions
EP3714515A1 (fr
EP3714515C0 (fr
Inventor
Richard Schneider
James M. PICK
Keith S. Maranto
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.)
Ennovi Industries Inc
Original Assignee
Ennovi Industries Inc
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 Ennovi Industries Inc filed Critical Ennovi Industries Inc
Publication of EP3714515A1 publication Critical patent/EP3714515A1/fr
Application granted granted Critical
Publication of EP3714515C0 publication Critical patent/EP3714515C0/fr
Publication of EP3714515B1 publication Critical patent/EP3714515B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type
    • 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
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/7017—Snap means
    • H01R12/7023—Snap means integral with the coupling device
    • 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
    • H01R12/7082—Coupling device supported only by cooperation with PCB
    • 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
    • H01R12/7088—Arrangements for power supply
    • 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
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • 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
    • H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed 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
    • 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
    • H01R12/91—Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
    • 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
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board

Definitions

  • the present disclosure relates to an electrical connector for connecting electronic and/or electrical parts that may be misaligned.
  • the parts that are to be connected together may be printed circuit boards (PCBs) and the connection locations may be plated through-holes in the PCBs. While each PCB may be produced in compliance with strict tolerances, the connection locations between the PCBs may nonetheless become misaligned due to tolerance stacking or other reasons.
  • PCBs printed circuit boards
  • a misalignment between the connection locations of parts can cause mating problems when the parts are connected together (or attempted to be connected together).
  • one or both of the parts may be a PCB with plated through-holes as connection points.
  • a connector is typically secured to the through-holes using soldering or press-fit connections.
  • Such connections which are rigid and relatively fragile, can be physically damaged by errant forces that are produced when the misaligned parts are brought together. Even if the parts are not damaged, the electrical connections may not be as robust as they should be, due to the misalignment.
  • US 8,419,441 B1 discloses a system for electrically connecting a pair of circuit boards using a pair of board connectors and an interconnector received in apertures of the circuit boards. More particularly it is noted that said document US 8,419,441 B1 discloses a connector according to the pre-characterizing portion of the appended independent claim 1.
  • a connector for connection to a substrate for mounting electronic devices and/or electrical devices.
  • the connector includes a housing having opposing first and second ends with openings, respectively, and a plurality of wall structures. At least a first one of the wall structures has an abutment surface located inwardly from the second end.
  • a plurality of coupling contacts are disposed within the housing.
  • Each of the coupling contacts includes a pair of elements having opposing first and second end portions, respectively. The elements in each pair are joined together, intermediate the first and second end portions. The first end portions are separated by a first space and the second end portions are separated by a second space.
  • the coupling contacts are arranged serially in the housing such that the first spaces are aligned to form a first receiving groove disposed at the first end of the housing and the second spaces are aligned to form a second receiving groove disposed at the second end of the housing.
  • a mounting contact extends into the housing and has a bar section joined to a fastening structure that is adapted for securement to the substrate. The bar section adjoins the abutment surface of the housing and is at least partially disposed in the second receiving groove formed by the coupling contacts.
  • the contact plates 14 are disposed serially, with their planar surfaces adjoining each other, to form the stack 12. However, in other embodiments, the contact plates 14 may be separated by spaces, respectively.
  • the contact plates 14 are aligned with each other such that the first receiving spaces 34 form a first receiving groove 42 and the second receiving spaces 36 form a second receiving groove 44.
  • the first inner spaces 38 form a first inner passage 46 and the second inner spaces 40 form a second inner passage 48.
  • the narrowest portion of the first receiving groove 42 which directly adjoins the first inner passage 46 and is formed by the narrow inner portions of the first receiving spaces 36, is referred to as the contact zone 49.
  • the contact zone 49 extends between the bulges 27a,b of the contact plates 14.
  • components of the coupler 10 may be described with regard to X, Y, Z spatial coordinates, which are as follows: the X-axis extends through the first side walls 54a,b of the coupler 10, the Y-axis extends through the second side walls 50a,b of the coupler 10, and the Z-axis extends through the first and second ends 58, 60 of the coupler 10.
  • both the first receiving groove 42 and the second receiving groove 44 may receive a bus bar that is oriented with its longitudinal axis parallel to the X-axis of the coupler 10 or parallel to the Y-axis of the coupler 10.
  • the two bus bars connected by the coupler 10 can be arranged parallel to each other in the direction of the X-axis or the Y-axis, or arranged perpendicular to each other.
  • the arms 82 extend upward, beyond the abutment edges 69, and adjoin the first side walls 54a,b.
  • the second end portions 28a,b of the contact plates 14 press against the beam 84, thereby electrically connecting the coupler 10 to the mounting contact 74.
  • the combination of the coupler 10 and the mounting contact 74 forms a connector 105 (not being a connector according to the present invention) that permits the PCB 100 to be connected to the PCB 102, even though the PCBs may be misaligned.
  • the major opening 62 in the second side wall 50a permits this pivoting by receiving the first end portions 26a of the legs 18a of the contact plates 14.
  • the pivotal movement of the contact plates 14 is shown in Fig. 7 and is about eight and a quarter degrees. Even though the contact plates 14 have pivoted out of their normal position, they still maintain a good physical and electrical connection with the beam 94, thereby establishing a good physical and electrical connection between the PCB 102 and the PCB 100.
  • the beam 94 is pressed between inner surfaces of the first end portions 26a,b of the contact plates 14 in the contact zone 49.
  • the connector 105 in addition to accommodating misalignment in the Y-direction, the connector 105 also accommodates misalignment in the X-direction and the Z-direction, as well as angular or twist misalignment in any of the three directions.
  • the alignment of the the first receiving groove 42 with the major slots 66 permits the beam 94 to be offset in the X-direction vis-a-vis the first receiving groove 42 and still make a good physical and electrical connection with the contact plates 14.
  • the beam 94 does not need to extend into the first inner passage 46 to the full extent possible to make a good physical and electrical connection.
  • the connector 105 accommodates movement between parts that may occur after the parts have been connected. For example, the parts may move relative to each other due to environmental factors, such as temperature, vibration, impact or handling. The connector 105 permits this relative movement, while still maintaining a good electrical and physical connection between the parts.
  • the connector 105 may be modified to provide more stability against rotating or tipping relative to the PCB as a result of the forces that may be applied by the bus bar.
  • One such modification may be to replace the mounting contact 74 with a different type of mounting contact.
  • the mounting contact 74 may be replaced with the mounting contact or lead frame 120, which is shown in Fig. 8 .
  • the lead frame 120 is a monolithic, generally Z-shaped structure and is electrically conductive, being composed of a conductive metal, such as a tin plated copper alloy.
  • the lead frame 120 has a bar section 122 with fastening structures 76 extending outwardly therefrom.
  • the lead frame 120 is shown mounted to the coupler 10 to form a connector 205, which helps physically and electrically connect a bus bar 140 to a PCB 142 to provide power thereto.
  • multiple connectors 205 may be used to mount the bus bar 140 to the PCB 142.
  • the lead frame 120 is mounted to the the coupler 10 by inserting the beam 124 into the second receiving groove 44 and the second inner passage 48 of the coupler 10. At the junctures with the bends 128, 130, the beam 124 also adjoins the abutment edges 69 of the first side walls 54a,b of the housing 16.
  • the fastening structures 76 are not arranged in the direction of the the X-axis, parallel to the second receiving groove 44, as in the coupler 105. Instead, the fastening structures 76 are arranged diagonal to the X-axis. Moreover, the fastening structures 76 are not all positioned with their widths (beam to beam) extending in the direction of the X-axis, as in the coupler 105. Instead, the outer fastening structures 76 are positioned with their widths extending in the direction of the Y-axis, while the middle fastening structure 76 (joined to the beam 124) is positioned with its width extending in the direction of the X-axis.
  • the foregoing arrangement of the fastening structures 76 helps prevent the connector 205 from pivoting about the X-axis and otherwise moving due to torsional and other forces applied by the bus bar 140.
  • the supports 138 of the lead frame 120 contact the surface of the PCB 142 and help provide additional support for and stability to the connector 205.
  • the lead frame 120 in the connector 205 may be modified to have a different configuration.
  • the bends 128, 130 instead of the bends 128, 130 curving in opposing directions, the bends 128, 130 may curve in the same direction, which would give the lead frame 120 a general U-shape.
  • Each mount 152 is L-shaped and includes an elongated foot 154 joined at a bend to a short leg 156.
  • the legs 156 are joined to, and extend from, the bar section 122. More specifically, two of the mounts 152 are joined to lower portions of the arms 132, 134, respectively, and extend downwardly therefrom, while a third (or center) mount 152 is joined to a lower portion of the beam 124 and extends downwardly therefrom.
  • the foot 154 of the center mount 152 extends in the direction of the Y-axis, while the feet 154 of the other two mounts 152 extend in the direction of the X-axis, but are offset from each other. Bottom surfaces of the feet 154 are planar to facilitate their attachment, such as by soldering or sintering, to a metal plate of an insulated metal substrate, such as a metal core printed circuit board.
  • pads or layers of a dry sintering compound comprising silver particles may secured to the bottom surfaces of the feet 154, respectively, by adhesive or by the application of pressure and partial sintering.
  • the lead frame 120b when the lead frame 120b is to be used for making a connection to a metal substrate, the lead frame 120b is first secured to the metal substrate by pressing the sintering compound layers on the feet 154 against the metal substrate and then heating the lead frame 120b and the metal substrate to an elevated temperature that sinters the sintering compound layers, thereby securing the lead frame 120b to the metal substrate.
  • the coupler 10 is connected to the lead frame 120b by aligning the second receiving groove 42 of the coupler 10 with the bar section 122 of the lead frame 120b and then pressing the coupler 10 and the lead frame 120b together.
  • a pad or layer of a dry sintering compound may be secured to the enlarged planar surface by adhesive or by the application of pressure and partial sintering.
  • the modified mounting contact 74 with the sintering compound may be secured by sintering to a metal substrate and then attached to the coupler 10, as described above with regard to the lead frame 120b.
  • the connector 205 may be used to mount a bus bar to a PCB so that the enlarged planar surfaces and the short lateral edges of the bus bar are disposed perpendicular to the plane of the PCB, while the longitudinal edges of the bus bar are parallel to the plane of the PCB.
  • connectors constructed in accordance with other embodiments may be provided. These embodiments are described below.
  • a connector 160 comprising a mounting contact or lead frame 162 connected to a coupler 164.
  • the coupler 164 has a construction similar to that of the coupler 10; however the coupler 164 has a housing 166 instead of the housing 16.
  • the housing 166 is generally cuboid and is composed of an insulative material, such as plastic.
  • the interior of the housing 166 is hollow and is sized to receive the stack 12 of contact plates 14 in a press fit operation, i.e., the interior is smaller in one or more dimensions than the stack 12.
  • the housing 166 includes opposing first side walls 168a,b, a second side wall 170 and opposing first and second ends 172, 174.
  • the housing 166 defines an interior cavity, which is accessible through the first and second ends 172, 174.
  • the first and second ends 172, 174 are open; however, an interior wall 176 is spaced inward from the second end 174.
  • the second side wall 170 has a rectangular major opening 178 disposed toward the first end 172. Opposite the second side wall 170, the housing 166 is open, except for an edge of the interior wall 176.
  • the first side walls 168a,b each have a rectangular major slot 180 disposed toward the first end 172 and a smaller notch 184 disposed toward the second end 174 (shown best in Fig. 15 ).
  • Each notch 184 is formed by an abutment edge 186 disposed at about a right angle to another edge 188.
  • the abutment edges 186 are spaced inward from the second end 174.
  • the stack 12 of the contact plates 14 are secured within the housing 166 in a press-fit operation in which the stack 12 as a whole is pressed into the housing 166 through the second end 174.
  • the resulting interference fit between the stack 12 and the housing 166 secures the contact plates 14 within the housing 166, but permits pivoting motion of the contact plates 14.
  • the contact plates 14 are disposed within the housing 166 such that the first receiving spaces 34 of the contact plates 14 are aligned with the first end 172 of the housing 166 and the second receiving spaces 36 of the contact plates 14 are aligned with the second end 174 of the housing 166.
  • the first receiving groove 42 of the stack 12 is aligned with the major slots 180 in the housing 166.
  • the lead frame 162 is a monolithic, generally Z-shaped structure and is electrically conductive, being composed of a conductive metal, such as a tin plated copper alloy.
  • the lead frame 162 has a bar section 190 with fastening structures 76 extending outwardly therefrom.
  • the bar section 190 includes a center beam 192 having an end joined by a bend to an arm 194 and another end joined by a bend and an extension 195 to an arm 196.
  • the beam 192 extends through the notches 184 in the housing 166 and adjoin the abutment edges 186 thereof. The bends curve in opposing directions to give the lead frame 162 its Z-shape.
  • the bar section 190 also includes an L-shaped member 200, which is joined to an upper portion of the beam 192.
  • the member 200 comprises a tongue 202 joined at a bend to a base 204.
  • the tongue 202 extends through the second receiving groove 44 and into the the second inner passage 48 of the coupler 164.
  • the member 200 extends upwardly beyond the arms 194, 196.
  • Two of the fastening structures 76 are joined to lower portions of the arms 194, 196, respectively, and extend downwardly therefrom.
  • a third (or center) fastening structure 76 is joined to a lower portion of the beam 192 and extends downwardly therefrom. It should be appreciated that other fastening structures may be used in lieu of the fastening structures 76.
  • the pins 150 or the mounts 152 may be used instead of the fastening structures 76.
  • the construction of the connector 160, with the fastening structures (76, etc.) each disposed at a right angle to the first receiving groove 42 provides a configuration that enables the connector 160 to mount a thin, flat structure (such as a power bus bar) to a substrate (such as a circuit board) such that the structure and the substrate are paralleld to each other.
  • a thin, flat structure such as a power bus bar
  • a substrate such as a circuit board
  • An assembly 208 is shown comprising a pair of substrates 210, 212 having a plurality of different types of connectors mounted thereto, some of which connect substrates 210, 212 together.
  • Three connectors 160 are shown mounted to the substrate 210, which may, by way of example, be a printed circuit board.
  • each connector 160 is shown secured within holes (such as plated holes) formed in the substrate 210.
  • the connectors 160 are spaced apart and arranged in a row located proximate to a first edge 214 of the substrate 210.
  • the first receiving grooves 42 of the connectors 160 are aligned and face outwardly toward the first edge 214.
  • a bar 216 (such as a power bus bar) extends into and through the aligned first receiving grooves 42. As shown, planar major surfaces of the bar 216 are disposed parallel to an upper surface of the substrate 210. An edge 218 of the bar 216 is aligned with the first edge 214 of the substrate 210.
  • the bar 216 is composed of a conductive material, such as copper and, thus, makes electrical connections with the connectors 160, respectively.
  • the assembly 208 also includes a pair of connectors 205a that help connect the substrates 210, 212 together.
  • a bottom one of the connectors 205a is mounted to the substrate 210, while a top one of the connectors 205a is mounted to the substrate 212.
  • the pins 150 of the bottom one of the connectors 205a are soldered into plated holes in the substrate 210 and the pins 150 of the top one of the connectors 205 are soldered into plated holes in the substrate 212.
  • the connectors 205a (and more specifically their first receiving grooves 42) face each other and are aligned.
  • a metal bar 222 (such as a copper bus bar) extends vertically between the top and bottom ones of the connectors 205a and electrically connects them together.
  • a top end of the bar 222 extends into the first receiving groove 42 and the first inner passage 46 of the top one of the connectors 205a, while a bottom end of the bar 222 extends into the first receiving groove 42 and the first inner passage 46 of the bottom one of the connectors 205a.
  • the bar 222 may be installed, before the substrates 210, 212 are secured in postion relative to each other, by vertically inserting both (or one of) the top and bottom ends of the bar 222 through the first ends 58 of the housings 16 of the connectors 205a into the first receiving grooves 42 and the first inner passages 46.
  • a top end of the bar 224 extends into the first receiving groove 42 and the first inner passage 46 of the top one of the connectors 205b, while a bottom end of the bar 224 extends into the first receiving groove 42 and the first inner passage 46 of the bottom one of the connectors 205b.
  • the bar 224 may be installed before or after the substrates 210, 212 are secured in postion relative to each other.
  • the housing 238 further includes a snap-fit projection 264 and a pair of supports 266 that are integrally joined to the first side wall 240a and extend outwardly therefrom.
  • the snap-fit projection 264 and the supports 266 are located toward the first end 244, with the snap-fit projection 264 being at least partially disposed between the supports 266.
  • the snap-fit projection 264 includes a cylindrical body 268 joined to a rounded head 270.
  • a slot extends longitudinally through the head 270 and most of the length of the body 268 so as to form a pair of spaced-apart sections 272 having rounded head portions, respectively.
  • the sections 272 are resiliently movable toward each other.
  • the snap-fit projection 264 is configured to be inserted into a mounting hole in a substrate, such as the substrate 274 (shown in Fig. 20 ).
  • the tongue 286 adjoins the abutment edge 256 of the housing 238.
  • Two of the fastening structures 76 are joined to upper portions of the arms 280, 282, respectively, and extend upwardly therefrom.
  • a third (or center) fastening structure 76 is joined to an upper portion of the beam 278 and extends upwardly therefrom. It should be appreciated that other fastening structures may be used in lieu of the fastening structures 76.
  • the pins 150 or the mounts 152 may be used instead of the fastening structures 76.
  • the deflection of the sections 272 decreases the diameter of the head 270, which permits the head 270 to enter and pass through the hole 294, emerging on the other side of the substrate (274, 290), where the sections 272 resiliently move outward to return the head 270 to its original diameter.
  • the substrate (274, 290) is trapped between the head 270 and the supports 266, which, together with the fasteninng structures 76, secure the connector 230 to the substrate (274, 290).
  • the snap-fit projection 264 helps prevent the connector 230 from rotating relative to the substrate (274, 290).
  • the supports 266 abut the substrate (274, 290) to further provide support and stability to the connection between the connector 230 and the substrate (274 ,290).
  • a bar 300 (such as a bus bar) may be mounted to the connectors 230 to electrically and physically connect together the substrates 274, 290.
  • the bar 300 which is composed of a conductive material (such as copper) is elongated and has first and second lateral edges 302, 304 and first and second longitudinal edges 306, 308.
  • a pair of spaced-apart first and second retention dimples 310, 312 are formed in the bar 300, proximate to the first longitudinal edge 306.
  • the substrates 274, 290 are first positioned to align the connectors 230 with each other.
  • the bar 300, with the first longitudinal edge 306 facing the connectors 230 is then moved horizontally into the receiving grooves 42 of the connectors 230, respectively, through the first ends 244 and the major slots 250 of the housings 238.
  • the bar 300 is further moved through the receiving grooves 42 and into the contact zones 49 of the connectors 230, respectively, thereby causing the first and second retention dimples 310, 312 to move the upper first portions 22a,b of the contact plates 14 outward, which allows the first and second retention dimples 310, 312 to move into the first inner passages 46, respectively.
  • the upper first portions 22a,b of the contact plates 14 move back inward, trapping the first and second retention dimples 310, 312 inside the first inner passages 46, respectively, as shown in Fig. 22 .
  • the bar 300 is secured to the connectors 230 and can only be removed by applying a pulling force to the bar 300 to move the first and second retention dimples 310, 312 back through the contact zones 49.
  • the bar 300 is not limited to use with the connector 230. Instead, the bar 300 may be used with any of the connectors disclosed herein (e.g., connectors 105, 160, 205, 230 etc.). Moreover, for a bar that is to be mounted to connectors with its lateral edges (instead of a longitudinal edge) inserted into the first receiving grooves 42 and the first inner passages 46, the bar may be provided with dimples located toward the lateral edges of the bar, as opposed to the longitudinal edge of the bar. Also, a bar may be provided with more than two dimples. For example, the bar 216 (shown in Fig. 16 ) may be provided with three dimples that are aligned with the three connectors 160, respectively.
  • a bar may be constructed to have an overall thickness that is greater than the width of the contact zones 49 in the connectors. Such a bar would have depressions or holes instead of protuberances.
  • the bar In each connector, when the bar is inserted into the contact zone 49 between the bulges 27a,b, the bar would move the upper first portions 22a,b of the contact plates 14 outward until the depression or hole was located between the bulges 27a,b, at which point, the bulges 27a,b would move inward, to be partially disposed within the depression or hole. In this manner, the bulges 27a,b would retain the bar in the connector.
  • the connector 230 may be modified to have diffent variations.
  • One such variation is connector 320 shown in Fig. 23 and another variation is connector 322 shown in Fig. 24 .
  • the connector 320 has the same construction as the connector 230, except the connector 320 has a housing 323 with a pair of supports 324, instead of the supports 266.
  • the supports 324 are integrally joined to the first side wall 240a and extend outwardly therefrom.
  • Each support 324 has a sloping front edge 326 and a horizontal top edge 328 that abuts a substrate when the connector 320 is mounted to the substrate.
  • the supports 324 are disposed toward the second end 246 of the housing 323.
  • the beam 278 of the lead frame 234 and the minor slot 254 in the housing 322 are located between the supports 324.
  • the connector 322 differs from the connector 230 by having a stack 330 of plates 14 that is smaller than the stack 12 and a housing 332 that is smaller than the housing 238.
  • the connector 322 has a pair of snap-fit connectors 336, instead of the single snap-fit connector 264, and has supports 338, instead of the supports 266.
  • the snap-fit connectors 336 and the supports 338 are integrally joined to the first side wall 240a and extend upwardly therefrom.
  • the snap-fit connectors 336 are disposed toward the first end 244 of the housing 332 and the second side walls 242a,b, respectively.
  • Each snap-fit connector 336 has a resiliently deflectable upper body 340 joined to a partially rounded head 342.
  • the upper bodies 340 are configured to deflect inward, towards each other, when pressed into holes in a substrate and then spring back when the heads 342 clear the holes on the other side of the substrate, trapping the substrate between the heads 342 and the supports 338.
  • the supports 338 are disposed toward the second end 246 of the housing 332 and are spaced inward from the second side walls 242a,b.
  • the beam 278 of the lead frame 234 and the minor slot 254 in the housing 322 are partially disposed between the supports 338. Top surfaces of the supports 338 abut a substrate when the connector 322 is mounted to the substrate.
  • the connector 322 is constructed to carry less current than the connector 230. Indeed, in certain embodiments, the connector 322 has a current rating of 40 amps, while the connector 230 has a rating of 60 amps.
  • each of the couplers is shown as an individual unit having a single housing that contains a stack of coupling contacts or contact plates. While the couplers may be interconnected, such as by one or more bars or plates, as shown in Fig. 16 or Fig. 25 , the couplers are not directly secured together. It should be appreciated that in other embodiments, however, a plurality of couplers may be directly secured together. For example a plurality of couplers may have their housings secured together to form a multiplex connector that connects a plurality of pairs of components together.
  • the housings may be integrally joined together in a unitary molded plastic structure that serves to support and maintain the spatial relationship of the couplers. While their housings are secured together, the couplers each contain an individual stack of coupling contacts.
  • the couplers may be of the same size and construction or may be of different sizes and constructions.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (15)

  1. Connecteur (160, 205, 230) pour connecter une structure rigide (216, 222, 300) à un substrat (210, 212, 274, 290) pour monter des dispositifs électroniques et/ou des dispositifs électriques, le connecteur (160, 205, 230) comprenant :
    • un coupleur (10, 164, 236), qui comprend :
    - un boîtier (16, 166, 238) présentant des première et seconde extrémités opposées (58, 60) avec des ouvertures, respectivement, et une pluralité de structures de paroi (50a,b, 54a,b, 168a,b, 170, 240a,b, 242a,b) ; et
    - une pluralité de contacts de couplage (14) disposés à l'intérieur du boîtier (16, 166, 238), chacun des contacts de couplage (14) comprenant une paire d'éléments (18a,b) présentant des première et seconde parties d'extrémité opposées, respectivement, les éléments (18a,b) de chaque paire étant joints ensemble, entre les première et seconde parties d'extrémité, avec les premières parties d'extrémité étant séparées par un premier espace (34) et les secondes parties d'extrémité étant séparées par un second espace (36), les contacts de couplage (14) étant agencés en série dans le boîtier (16, 166, 238) de telle sorte que les premiers espaces (34) soient alignés pour former une première rainure de réception (42) disposée au niveau de la première extrémité du boîtier et les seconds espaces (36) soient alignés pour former une seconde rainure de réception (44) disposée au niveau de la seconde extrémité du boîtier ; et
    • un contact de montage (120, 162, 234) s'étendant dans le boîtier (16, 166, 238) et présentant une section de barre (122, 190, 276) jointe à une pluralité de structures de fixation (76, 150, 152) qui sont destinées à une fixation au substrat, la section de barre (122, 190, 276) étant au moins partiellement disposée dans la seconde rainure de réception formée par les contacts de couplage (14) ;
    caractérisé en ce que :
    chacun des contacts de couplage (14) est une plaque monolithique avec des surfaces planes opposées ;
    dans lequel certaines première et deuxième des structures de paroi (50a,b, 54a,b, 168a,b, 170, 240a,b, 242a,b) présentent chacune un bord de butée (69, 186) situé vers l'intérieur à partir de la seconde extrémité du boîtier (16, 166, 238), et dans lequel la section de barre (122, 190, 276) jouxte les deux bords de butée (69, 186) ;
    dans lequel la section de barre (122, 190, 276) comprend des bras (132, 134, 194, 196, 280, 282) connectés par des coudes (128, 130, 280, 282) aux extrémités opposées d'une poutre (124, 192, 278), respectivement, les coudes (128, 130, 280, 282) étant dirigés de manière opposée de telle sorte que les bras (132, 134, 194, 196, 280, 282) sont disposés sur des côtés opposés de la poutre (124, 192, 278) ; et
    dans lequel les structures de fixation (76, 150, 152) sont agencées en diagonale par rapport à une direction X, qui est parallèle à la seconde rainure de réception (44), dans lequel des largeurs de certaines extérieures des structures de fixation (76, 150, 152) s'étendent dans une direction Y, qui est perpendiculaire à la direction X et perpendiculaire à une direction Z, qui s'étend à travers lesdites première et seconde extrémités (58, 60) du boîtier, et dans lequel une largeur d'une certaine médiane des structures de fixation (76, 150, 152) s'étend dans la direction X, ladite structure de fixation médiane étant jointe à la poutre (124, 192, 278).
  2. Connecteur (160, 205, 230) selon la revendication 1, dans lequel chacune des structures de fixation (76) est déformable élastiquement pour une insertion par ajustement serré dans un trou du substrat.
  3. Connecteur (205) selon la revendication 1, dans lequel la poutre (124) s'étend à travers la seconde rainure de réception (44), et dans lequel les bras (132, 134) sont disposés adjacents aux certaines première et deuxième (54a, 54b) des structures de paroi, respectivement.
  4. Connecteur (160) selon la revendication 1, dans lequel la section de barre (190) comprend en outre un élément en forme de L (200) qui est joint à la poutre (192) et s'étend dans la seconde rainure de réception (44) ; et
    dans lequel dans la certaine première (168a) des structures de paroi, le bord de butée (186) est disposé à environ un angle droit par rapport à une autre surface de la certaine première des structures de paroi et coopère avec celle-ci pour définir une première encoche (184) dans la certaine première (168a) des parois latérales, dans lequel dans la certaine deuxième (168b) des structures de paroi, le bord de butée (186) de la certaine deuxième des parois latérales est disposé à environ un angle droit par rapport à une autre surface de la certaine deuxième des parois latérales et coopère avec celle-ci pour définir une seconde encoche (184) dans la certaine deuxième des parois latérales, et dans lequel les première et seconde encoches (184) ne sont pas alignées avec la seconde rainure de réception (44) et la poutre (192) s'étend à travers les première et seconde encoches (184).
  5. Ensemble électrique (208) comprenant le connecteur (160, 205, 230) selon la revendication 1, dans lequel l'ensemble électrique comprend en outre le substrat (210, 212, 274, 290) et la structure rigide (216, 222, 300), dans lequel les structures de fixation (76, 150, 152) du connecteur sont fixées au substrat (210, 212, 274, 290) et la structure rigide (216, 222, 300) est disposée dans la première rainure de réception (42) du connecteur (160, 205, 230).
  6. Ensemble électrique (208) selon la revendication 5, dans lequel le substrat (210, 212) comprend un plot métallique, et dans lequel les structures de fixation (152) du connecteur (205b) présentent des surfaces planes qui sont frittées ou soudées au plot métallique.
  7. Ensemble électrique selon la revendication 5, dans lequel le substrat (210, 212, 274, 290) présente des trous plaqués, et dans lequel les structures de fixation (76, 150) sont disposées de manière sécurisée à l'intérieur du trou plaqué, respectivement.
  8. Procédé de formation d'un connecteur (160, 205, 230) pour connecter une structure rigide (216, 222, 300) à un substrat (210, 212, 274, 290) pour monter des dispositifs électroniques et/ou électriques, le procédé comprenant les étapes consistant à :
    (a.) fournir un coupleur (10, 164, 236) qui comprend :
    un boîtier (16, 166, 238) présentant des première et seconde extrémités opposées (58, 60) avec des ouvertures, respectivement, et une pluralité de structures de paroi (50a,b, 54a,b, 168a,b, 170, 240a,b, 242a,b) ; et
    une pluralité de contacts de couplage (14) disposés à l'intérieur du boîtier (16, 166, 238), chacun des contacts de couplage (14) comprenant une paire d'éléments (18a,b) présentant des première et seconde parties d'extrémité opposées, respectivement, les éléments (18a,b) de chaque paire étant joints ensemble, entre les première et seconde parties d'extrémité, avec les premières parties d'extrémité étant séparées par un premier espace (34) et les secondes parties d'extrémité étant séparées par un second espace (36), les contacts de couplage (14) étant agencés en série dans le boîtier (16, 166, 238) de telle sorte que les premiers espaces soient alignés pour former une première rainure de réception (42) disposée au niveau de la première extrémité du boîtier (16, 166, 238) et les seconds espaces soient alignés pour former une seconde rainure de réception (44) disposée au niveau de la seconde extrémité du boîtier (16, 166, 238) ;
    (b.) fournir un contact de montage (120, 162, 234) présentant une pluralité de structures de fixation (76, 150, 152) jointes à une section de barre (122, 190, 276) ;
    caractérisé en ce que :
    chacun des contacts de couplage (14) est une plaque monolithique avec des surfaces planes opposées ;
    dans lequel certaines première et deuxième structures de paroi (50a,b, 54a,b, 168a,b, 170, 240a,b, 242a,b) présentent chacune un bord de butée (69, 186) qui est situé vers l'intérieur à partir de la seconde extrémité du boîtier (16, 166, 238) ;
    dans lequel la section de barre (122, 190, 276) comprend des bras (132, 134, 194, 196, 280, 282) connectés par des coudes (128, 130, 280, 282) aux extrémités opposées d'une poutre (124, 192, 278), respectivement, les coudes (128, 130, 280, 282) étant dirigés de manière opposée de telle sorte que les bras (132, 134, 194, 196, 280, 282) sont disposés sur des côtés opposés de la poutre (124, 192, 278) ; et
    dans lequel les structures de fixation (76, 150, 152) sont agencées en diagonale par rapport à une direction X, qui est parallèle à la seconde rainure de réception (44), dans lequel des largeurs de certaines extérieures des structures de fixation (76, 150, 152) s'étendent dans une direction Y, qui est perpendiculaire à la direction X et perpendiculaire à une direction Z, qui s'étend à travers lesdites première et seconde extrémités (58, 60) du boîtier, et dans lequel une largeur d'une certaine médiane des structures de fixation (76, 150, 152) s'étend dans la direction X, ladite structure de fixation médiane étant jointe à la poutre (124, 192, 278) ; et
    caractérisé en outre par les étapes consistant à :
    (c.) insérer la section de barre (122, 190, 276) du contact de montage (120, 162, 234) dans le coupleur (10, 164, 236) de manière à jouxter les bords de butée (69, 186) du boîtier (16, 166, 238) et de manière à ce qu'elle soit au moins partiellement disposée dans la seconde rainure de réception (44) formée par les contacts de couplage (14), en formant ainsi le connecteur (160, 205, 230) ;
    (d.) fixer les structures de fixation (76, 150, 152) au substrat (210, 212, 274, 290) ; et
    (e.) insérer la structure rigide (216, 222, 300) dans la première rainure de réception (42) du coupleur (10, 164, 236).
  9. Procédé selon la revendication 8, dans lequel la structure rigide est une barre (92) d'un contact de connexion (90) qui comprend en outre une structure de fixation (76) ; et dans lequel le procédé comprend en outre les étapes consistant à :
    fournir un second substrat (102) ; et
    fixer la structure de fixation du contact de connexion au second substrat.
  10. Procédé selon la revendication 8, dans lequel le substrat (210, 212, 274, 290) présente des trous plaqués de métal ; et
    dans lequel l'étape de fixation des structures de fixation (76) comprend une insertion des structures de fixation (76) dans les trous plaqués de métal, respectivement.
  11. Procédé selon la revendication 8, dans lequel les structures de fixation (152) présentent chacune une surface inférieure plane et le substrat (210, 212) comprend un plot métallique ; et
    dans lequel l'étape de fixation des structures de fixation (152) comprend un soudage ou un frittage des surfaces inférieures planes des structures de fixation (152) sur le plot métallique du substrat (210, 212).
  12. Procédé selon la revendication 8, dans lequel la structure rigide est une barre (300) composée de métal conducteur ;
    dans lequel les éléments (18a, 18b) de chaque contact de couplage (14) comprennent en outre une paire de renflements dirigés vers l'intérieur (27a,b) qui définissent un espace étroit qui sépare le premier espace (34) d'un espace interne (38), et dans lequel les espaces étroits des contacts de couplage sont alignés pour définir une zone de contact (49) et les espaces internes (38) des contacts de couplage (14) sont alignés pour définir un passage interne (46) ; et
    dans lequel l'étape d'insertion de la structure rigide dans la première rainure de réception (42) comprend une insertion d'un bord d'attaque de la barre (300) à travers la zone de contact (49) et dans le passage intérieur (46) des contacts de couplage (14) ;
    dans lequel la barre (300) inclut un élément de retenue (310, 312) disposé vers le bord d'attaque ; et
    dans lequel l'insertion du bord d'attaque de la barre (300) à travers la zone de contact (49) comprend une mise en prise de la caractéristique de retenue (310, 312) de la barre (300) avec les contacts de couplage (14) pour retenir le bord d'attaque de la barre (300) dans le passage interne (46).
  13. Procédé selon la revendication 12, dans lequel l'élément de retenue (310, 312) comprend une fossette (310, 312), et dans lequel une épaisseur de la barre (300) au niveau de la fossette (310, 312) est supérieure à la largeur de la zone de contact (49) ; et
    dans lequel l'insertion du bord d'attaque à travers la zone de contact (49) comprend un pressage de la fossette (310, 312) entre une ou plusieurs paires des renflements (27a,b), amenant les renflements (27a,b) à se déplacer de manière élastique vers l'extérieur puis à reculer vers l'intérieur après que la fossette (310, 312) soit entrée dans le passage interne (46), en piégeant ainsi la fossette (310, 312) dans le passage interne (46).
  14. Procédé selon la revendication 13, dans lequel la barre (300) est allongée et présente une paire de bords longitudinaux opposés (306, 308) et une paire de bords latéraux opposés (302, 304) ;
    dans lequel le bord d'attaque de la barre (300) est l'un des bords latéraux (302, 304) ; et dans lequel l'étape d'insertion de la structure rigide dans la première rainure de réception (42) comprend une insertion du bord d'attaque dans la première rainure de réception (42) à travers l'ouverture de la première extrémité (244) dans le boîtier (238).
  15. Procédé selon la revendication 13, dans lequel une deuxième (240b) des structures de paroi présente une fente agrandie (250) formée en son sein, qui est alignée avec la première rainure de réception (42) ;
    dans lequel la barre (300) est allongée et présente une paire de bords longitudinaux opposés (306, 308) et une paire de bords latéraux opposés (302, 304) ;
    dans lequel le bord d'attaque de la barre (300) est un certain des bords longitudinaux (306, 308) ; et
    dans lequel l'étape d'insertion de la structure rigide dans la première rainure de réception (42) comprend une insertion du bord d'attaque dans la première rainure de réception (42) à travers la première extrémité (244) du boîtier (238) et la fente agrandie (250) dans la deuxième (240b) des structures de paroi.
EP18816377.8A 2017-11-20 2018-11-16 Connecteur électrique Active EP3714515B1 (fr)

Applications Claiming Priority (2)

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US201762588593P 2017-11-20 2017-11-20
PCT/US2018/061521 WO2019099829A1 (fr) 2017-11-20 2018-11-16 Connecteur électrique

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EP3714515C0 EP3714515C0 (fr) 2025-03-26
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US10522945B2 (en) 2016-08-22 2019-12-31 Interplex Industries, Inc. Electrical connector
US10763607B2 (en) 2016-08-22 2020-09-01 Interplex Industries, Inc. Electrical connector
JP2022068976A (ja) * 2020-10-23 2022-05-11 住友電装株式会社 コネクタ構造
JP7695005B2 (ja) * 2021-03-31 2025-06-18 ＴＥ Ｃｏｎｎｅｃｔｉｖｉｔｙ Ｊａｐａｎ合同会社 コンタクト積層体、コネクタおよびコンタクト組付体
CN115207731B (zh) * 2021-04-13 2025-12-16 泰科电子(上海)有限公司 汇流条子组件和电气组件
DE102021115583A1 (de) 2021-06-16 2022-12-22 Te Connectivity Germany Gmbh Elektrische Hochvolt-Leiterplatten-Steckkontakteinrichtung sowie leistungselektrischer Leiterplatten-Anschluss
DE102021120307B4 (de) * 2021-08-04 2023-11-16 Interplex NAS Electronics GmbH Kontaktierungsanordnung
US12316192B2 (en) 2022-11-15 2025-05-27 Stoneridge Control Devices, Inc. Connection adapter for multiple PCBs in actuator

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US8419441B1 (en) * 2011-11-22 2013-04-16 Lear Corporation System for electrically connecting a pair of circuit boards using a pair of board connectors and an interconnector received in apertures of the circuit boards
US20160093963A1 (en) * 2013-04-18 2016-03-31 Fci Americas Technology Llc Electrical connector system
DE102013105148A1 (de) * 2013-05-21 2014-11-27 Phoenix Contact Gmbh & Co. Kg Steckbrücke mit übereinanderliegenden Blechelementen
US10763607B2 (en) * 2016-08-22 2020-09-01 Interplex Industries, Inc. Electrical connector

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EP3714515C0 (fr) 2025-03-26
WO2019099829A1 (fr) 2019-05-23
CN111373608B (zh) 2022-05-24
CN111373608A (zh) 2020-07-03

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