EP0368982B1 - Steckverbindersystem für mehrere elektrische leiter - Google Patents

Steckverbindersystem für mehrere elektrische leiter Download PDF

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Publication number
EP0368982B1
EP0368982B1 EP89906284A EP89906284A EP0368982B1 EP 0368982 B1 EP0368982 B1 EP 0368982B1 EP 89906284 A EP89906284 A EP 89906284A EP 89906284 A EP89906284 A EP 89906284A EP 0368982 B1 EP0368982 B1 EP 0368982B1
Authority
EP
European Patent Office
Prior art keywords
contact
receptacle
terminator
crossbar
contact elements
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
EP89906284A
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English (en)
French (fr)
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EP0368982A1 (de
EP0368982A4 (en
Inventor
Timothy Allen Lemke
Richard Alva Elco
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.)
Connector Systems Technology NV
Original Assignee
Connector Systems Technology NV
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
Priority claimed from US07/193,611 external-priority patent/US4824383A/en
Application filed by Connector Systems Technology NV filed Critical Connector Systems Technology NV
Publication of EP0368982A1 publication Critical patent/EP0368982A1/de
Publication of EP0368982A4 publication Critical patent/EP0368982A4/en
Application granted granted Critical
Publication of EP0368982B1 publication Critical patent/EP0368982B1/de
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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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2107/00—Four or more poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement

Definitions

  • the present invention relates to an electrical connecting system comprising a terminator and a receptacle having electrical contacts therein so that the contacts of said terminator form electrical connections with the contacts of said receptacle.
  • the transmission cable itself.
  • the design of electrical cable has advanced to a point wherein the cable can be precisely engineered to exhibit predetermined electrical properties.
  • Exemplary of such cable structure is that disclosed and claimed in copending application Serial Number 07/067,767. filed July 8, 1987, now United States Patent 4.800,236 (EL-4258-A), and that disclosed and claimed in copending application Serial Number 07/258,769, filed October 17, 1988, both assigned to the assignee of the present invention.
  • the cable disclosed in the last-mentioned applications includes a corrugated ground structure which defines separate enclosed regions, or envelopes, which extend throughout the entire length of the cable. Each of the envelopes receives one or more ordinary jacketed conductors.
  • the system viewpoint has expanded to include considerations of electrical performance in the transition region intermediate the end of the cable and the cable terminator.
  • the connector structure disclosed and claimed in United States Patent 4,731,031, assigned to the assignee of the present invention utilizes a ground plane spaced predetermined distances from the ends of the conductors in the cable, the contacts in the connector and the interconnection therebetween for the purpose of minimizing electrical discontinuities in the system.
  • Density of the terminator that is, the number of signals that can pass through a given terminator, is also an important consideration. In conventional systems attempts have been made to extend the shielding and control the impedance of the system beyond the transmission line by simply dedicating alternating contacts in the linear array of contacts in the terminator as ground contacts. The contact is not physically altered, but is merely designated as a ground contact and connected to a predetermined ground potential. The net result of these factors is that the density of the terminator is limited.
  • US-A-4 710 133 describes an electrical connector system wherein both connectors are provided with central plates between two arrays of contacts.
  • the leading end of one plate is provided with flexible clamping fingers which are provided in a recess of one connector. In the connected state, the forklike arranged fingers are in direct contact with the leading edge of the other plate. Gaps are formed between adjacent clamping fingers.
  • the frame may also include a crossbar that extends in parallel to the central plate.
  • the crossbar has a contact therein which is engageable with the ground structure on a terminator. When the terminator is received by the receptacle the contact on the crossbar is electrically engageable with the ground structure of the terminator.
  • the contacts on the frame are forwardly extending spring members which are press fit into the crossbar. In an alternate embodiment the contacts are generally U-shaped members which are insertable through bores and/or slots formed in the crossbar of the frame.
  • FIG. 1 to 3 shown is a terminator generally indicated by reference character 10 in accordance with United States Patent 4,824,383 implemented in the form of a plug terminator for a multiple conductor cable 12.
  • Shown in Figures 7 and 8 is an alternate embodiment of a plug terminator 10 for a multiple conductor cable in which the fingers have a hollow recess therein.
  • Figure 6 and Figure 9 respectively illustrate modifications to the embodiments shown in Figures 1-3 and Figures 7-8.
  • the cable 12 is shown in the Figures as being a round transmission cable it lies within the contemplation of the present invention that the plug terminator as disclosed herein may be used with equal efficacy in conjunction with a flat cable (either ribbon cable or discrete wire cable).
  • the cable 12 includes an outer jacket 14 ( Figure 3) of an insulating material surrounding a plurality of individual jacketed conductors 16. Each conductor 16 itself includes an insulating jacket 16J surrounding a wire conductor 16W.
  • a conducting sheath 18 disposed under the outer jacket 14 of the cable 12 serves as a portion of the grounding and shielding structure for the cable 12.
  • the sheath 18 is terminated by a metallic ferrule 20, such that as disclosed in United States Patent 4.416.501, assigned to the assignee of the present invention, as is appreciated by those skilled in the art.
  • the ground structure 22 includes a baseplate 24 having a main planar surface 26 with an integral portion 28 projecting forwardly therefrom.
  • the projecting portion 28 terminates in a generally planar forward edge surface 29.
  • the ground structure 22 is shown as being provided with an upper and a lower working surface 30A and 30B respectively thereon, it should be understood that a ground structure 22 having only one working surface 30 may be used.
  • the terminator can be implemented with a ground structure that includes only the structure on the upper working surface 30A of the ground structure 22 (that is, the structure above the dividing plane 31 extending through the baseplate portion 24 of the ground structure 22).
  • the opposite surface of the ground structure 22 would preferably be planar.
  • the remaining elements of the terminator as hereafter described would be appropriately modified to accept a ground structure 22 of this form.
  • a plurality of walls 32 extends from the forward projecting portion of the respective upper and lower working surfaces 30A, 30B, respectively, of the baseplate 24.
  • the walls 32 are arranged in side-by-side relationship to define a plurality of channels 34 across the surfaces of the projecting portion 28 of the baseplate 24.
  • at least one wall. defining at least two such channels may be used in appropriate circumstances.
  • the axes of the adjacent channels 34 are parallel to each other, although it is understood that such a relationship is not mandated.
  • each working surface 30A, 30B of the baseplate 24 is shown as having the same number of channels 34, such a situation is also not necessarily required.
  • the walls 32 at the lateral extremities of the ground structure 22 may be omitted if desired (e.g., Figures 7, 9).
  • the planar portion 26 of the baseplate 24 behind the projecting portion 28 has flanges 38 which flare farther rearwardly and slightly outwardly from the baseplate 24.
  • the flanges 38 carry posts 40.
  • the posts 40 be electrically conductive and in electrical contact with the conductive material of the baseplate 14. It should be appreciated that a ground structure of more than two working surfaces may be defined by disposing additional baseplates 24 (whether each baseplate implemented with one or two working surfaces) in any convenient stacked relation.
  • the ground structure 22 is shown as being fabricated as an integral metallic member, although it should be understood that any suitable construction for the ground structure 22 may be used.
  • the ground structure 22 can be formed from plastic with its entire upper and lower working surfaces 30A, 30B (including the walls 32 on the projecting portions 28) lined with a suitable conductive material.
  • the baseplate 24 may be formed or stamped from a sheet of conductive material with slots provided near the forward end thereof.
  • the end walls 32 may be formed from similar slotted stampings. The baseplate 24 and the walls 32 are joined via the slots to define the ground structure 22 as shown in the Figures.
  • the plug terminator 10 further comprises a contact support member 44 having a main body portion 46 with an array of trenches 48 formed therein.
  • the contact support member 44 is formed of an insulating material.
  • a partition 50 having an indentation 50G is provided near the forward end of the body portion 46 of the contact support member 44.
  • An array of apertures 52 (visible on the lower member 44 in Figure 2) is provided through the body 46 of the support member 44 in the region behind the partition 50, with one of the apertures 52 being aligned with the mouth of each of the grooves 48 for a purpose to be described.
  • An array of fingers 54 extends forwardly from the body 46.
  • the fingers 54 correspond in number to the number of channels 34 provided on the ground structure 22. In the assembled condition the fingers 54 extend into the channels 34 so that the forward ends of the fingers 54 are coterminal with the forward edge 29 of the ground structure 22.
  • An array of electrical contacts elements 58 of any suitable configuration are embedded in the insulating material of the fingers 54.
  • the contact elements 58 are arranged such that the planar blade of each contact element 58 is exposed on the surface of the finger 54 in which it is disposed.
  • the contact element 58 extends rearwardly from the fingers 54 through the material of the partition 50.
  • the contact element 58 ends in an overlying relationship with the apertures 52 in the body 46 just forwardly of the mouths of the trenches 48 therein. As seen in the Figures the top surfaces of the walls 32 of the ground structure 22 extend above the contact elements 58 when the same are received in the channels 34.
  • the plug terminator 10 may be modified as shown in Figure 6 to carry groups of contacts 58 as opposed to the individual contact elements carried by the fingers 54 shown in Figures 1 to 3.
  • the fingers 54 exhibit a greater lateral dimension measured in a plane parallel to the dividing plane 31 than the dimension of the fingers 54 of Figure 3.
  • Each of the laterally enlarged fingers carries a group of contact elements 54.
  • Each group of contact elements may contain any predetermined number (two or more) of the contacts. It should be appreciated that each group of contacts need not contain the same number of contacts as contained in a group disposed on an adjacent enlarged finger. It should also be realized that any predetermined number of enlarged fingers 54 may be provided, although in Figure 6 only two of such enlarged fingers 54 are illustrated.
  • the ground structure 22 contains a number of channels 34 corresponding to the number of enlarged fingers 54.
  • the terminator 10 includes a protective casing generally indicated by reference character 64.
  • the casing 64 is defined by complementary shell members 66A, 66B.
  • Each shell member 66A, 66B has a forward cutout 68 having a tongue 68T therein.
  • the configuration of tbe cutout 68 corresponds to the configuration of the body portion 46 of the contact support member in the vicinity of the partition 50.
  • the rear wall of each of the shell members 66A, 66B has cooperating grooved openings 70 therein.
  • the openings 70 are shaped to generally conform to the exterior configuration of and are sized to closely accept the transmission cable 12 in either round or flat form.
  • the shells 66A, 66B Adjacent to the rear wall of the shells 66A. 66B is a pair of abutments 72 with recesses 74. The recesses 74 are configured to accept snugly the posts 40 on the ground structure 22 in a press fit relationship.
  • the shells 66A, 66B are each fabricated of a conductive material. It should be understood that the shells may be fabricated from a plastic material in which case a conductive surface 76 is formed by a suitable conductor layer disposed on the inner surface of each of the shells 66A, 66B (as shown in Figure 3 for economy of illustration).
  • the sidewalls of the shells 66A, 66B each carry notches 78 sized to accept locking tabs 80 which serve to hold the casing 64 together.
  • the complementary shells 66A and 66B close on each other and are locked together by the tabs 80 and the press fit engagement of the posts 40 in the recesses 74 in the abutments 72.
  • the tongue 68T near the cutout 68 adjacent the front of the casing 64 engages in the groove 50G.
  • the multiple conductor cable 12 extends through the registered openings 70 in the rear of the shells 66A, 66B and into the volume defined in the rear of the casing 64.
  • the external jacket 14 of the cable 12 is stripped a predetermined distance from its end to expose the individual jacketed conductors 16 therein.
  • An insulation displacement contact 82 severs the exterior jacket 14 of the cable 12 and electrically interconnects with the ferrule 20 of the cable 12.
  • the insulation displacement contact 82 is captured in the grooved openings 70 adjacent the rear aperture of the shell to thereby electrically interconnect the conductive surface 76 on the interior of the casing 64 to a predetermined electrical potential.
  • the individual conductors 16 of the cable 12 Prior to the closing of the casing by the interengagement of the shells 66A, 66B, the individual conductors 16 of the cable 12 are themselves stripped of their jackets 16J and the conductive wires 16W thereof laid in one of the trenches 48 extending in the body portion 46 of the contact support structure 44. The end of each of the wires 16W overlays the end of one of the contact elements 58.
  • the wires 16W and the contacts 58 may be suitably attached, as by welding, solder or insulation displacement contacts to interconnect the wires 16W to the contacts 58 and remain within the contemplation of the present invention.
  • Figures 7 and 8 illustrate an alternate embodiment of the cable plug terminator form 10 generally similar to the embodiment shown in Figures 1 to 3 and in Figure 6.
  • the contact support member 44 is provided with a main body portion 46, formed of an insulating material, from which a plurality of fingers 54 extend.
  • the fingers 54 each include a recess 55 having a lip 55L ( Figure 8) provided therein.
  • Each finger 54 is, therefore, a substantially hollow member in which a spring electrical contact element 58 is received.
  • the tail portion of the contact 58 is provided with a slot 58S that imparts to the tail portion of the contact 58 a configuration generally similar to that of an insulation displacement contact.
  • the head or forward end of the contact 58 is captured by the lip 55L while the tail end of the contact 58 projects rearwardly from the main body portion 46 of the member 44.
  • the generally linear portion 58L of the contact 58 between the curved electrical engaging region 58C and the slotted tail 58S is captured at each lateral horizontal edge of the contact 58 in a groove 59 formed in each of the sidewalls of the main portion of the support member 44.
  • a portion of the contact 58 is cut away to clearly illustrate the groove 59.
  • the member 44 is mounted to the ground structure 22 in a manner generally similar to the arrangement formed and shown in connection with Figures 2 and 3.
  • the fingers 54 of the member 44 are each received in one of the channels 34 defined by the walls 32 of the ground structure 22.
  • the member 44 is positioned on the structure 22 by the engagement of the main portion 46 of the member 44 with the inner ends of the walls 34 of the structure, as is illustrated in the Figure 8.
  • the member 44 is held in the position shown in drawing Figure 8 by an abutment 26A formed on the planar portion 26 of the baseplate 24 of the structure 22.
  • any suitable expedient may be used to position a member 44 on one (or both) surface(s) of the structure 22.
  • the welding apertures 52 (perhaps best seen in Figure 2) provided in the planar portion 26 of the structure 22 are eliminated inasmuch as the welded attachment of the conductor wires 16W to the tail portion of the contact 58 may be effected, for example, by a facial welding process disclosed and claimed in United States Patent application Serial No. 07/092.199 (E1-4281), assigned to the assignee of the present invention.
  • E1-4281 United States Patent application Serial No. 07/092.199
  • the wires 16W of the conductors 16 are bent, as at 16B ( Figure 8), to cause the axis of the portion of the wire 16W immediately rearwardly to the facial end of the wire 16W to extend linearly through the tail end portion of the contact 58.
  • the protective casing 64 of the terminator 10 is also slightly modified from that shown in Figures 2 and 3 and Figure 6 in that the shell portions 66A, 66B extend forwardly and turn downwardly and upwardly, respectively, to define the tongue portion 68T such that the forward edge of the casing is coextensive with the forward face 44F of the contact support member 44.
  • the shell members 66A and 66B are held together in the same manner as that described for the arrangement of the connector shown in Figures 2 and 3. That is, the posts 40 on the ground structure 22 are press-fit into recesses 74 in the abutments 72 in the shells 66A, 66B.
  • the sidewalls of the shells 66A, 66B are notched, as at 78, to accept locking tabs 80.
  • the casing 64 shown in Figures 7 and 8 may be fabricated entirely of a conductive material.
  • the shells 66A. 66B can be fabricated of a nonconductive material. e.g., plastic, in which event conductive layers 76 should be provided on both the interior and exterior surfaces thereof. The layers 76 are illustrated in the Figures for economy of illustration.
  • the embodiment of the plug terminator 10 shown in Figures 7 and 8 may be modified to carry a group of contact elements 58.
  • the hollow fingers 54 exhibit a greater lateral dimension measured in a plane parallel to the dividing plane 31 than the dimension of the fingers 54 of Figure 7.
  • Each of the laterally enlarged fingers 54 carries a group of contact elements 54.
  • Each group of contact elements may contain any predetermined number (two or more) of the contacts. It should be realized that, similar to the modification of the embodiment of Figure 2, any predetermined number of enlarged fingers 54 may be provided, although in Figure 9 only two of such enlarged hollow fingers 54 are illustrated.
  • the ground structure 22 contains a number of channels 34 corresponding to the number of enlarged fingers 54.
  • each group of contacts need not contain the same number of contacts as contained in a group disposed on an adjacent enlarged finger.
  • the terminator 10 shown in Figures 7-8 and in Figure 9 is received within a receptacle not belonging to the invention and being in the form of a mating header 81.
  • the header is generally similar to that shown in United States Patent 4,601.527 (Lemke), assigned to the assignee of the present invention.
  • the header 81 includes an insulating housing 82 having an array of pins 83 extending therefrom. Each pin 83 is respectively received within one of the recesses 55 in the fingers 54. Each pin 83 is in electrical engagement with the electrical engaging region 58C of the contact 58.
  • the housing 82 also contains spring contacts 84 which engage the metallic shells 66A, 66B (or the layer 76 disposed thereon in the event the shells 66A, 66B are formed of insulating material) thereby to establish a grounded interconnection with the shells 66A, 66B.
  • a terminator 10 may be used in the environment of an edge card terminator for substrates such as a printed circuit board 86 having multiple conductive tracings 88 thereon.
  • a ground structure 22 similar to that described in connection with Figures 1-3 is disposed both above and below the board 86.
  • the ground structures 22 are supported at their ends by a bracket 90.
  • Each of the structures 22 receives a contact support member 44' generally similar to that discussed in connection with Figures 1 through 3 with the exception that the body portion 46' thereof is truncated.
  • the contact elements 58 emanating from the support member 46' are directed joined to the conductive tracings 88 on the surfaces of the board 86.
  • the terminator may be used to service only one of the surfaces of the board 86.
  • the edge card form of the terminator shown in Figures 4 and 5 may be modified to conform to that shown in Figure 6 in which each of the fingers of the contact support member 44' is provided with plural contact elements.
  • the terminator of Figures 4 and 5 may be implemented using the finger having the hollow recess therein, as is depicted in Figure 7 (single contact element in the recess) or in Figure 9 (plural contact elements in each recess).
  • the ground structure 22 is appropriately modified to conform in each case.
  • ground structure 22 used in connection with any of the above discussed Figures 1 through 9 is connectable to a predetermined electrical potential (e.g., chassis or logic ground). Since the walls 32 near the forward projecting portions 28 of the baseplate 24 extend above the signal carrying contacts 58 generally U-shaped receptacles are formed in which the signal carrying contacts 58 are disposed. The ground structure 22 thus electrically shields and isolates each signal carrying contact 58 or group of contacts 58 from each adjacent signal carrying contact or group, as the case may be, whether these contacts are sidewise and/or vertically adjacent.
  • a predetermined electrical potential e.g., chassis or logic ground.
  • FIGS 10 through 12 shown are perspective, sectional, and elevational views of a receptacle assembly 100 not belonging to the invention and being adapted to accept a plug terminator 10 as described heretofore in connection with Figures 1-6.
  • a receptacle useful for a terminator having hollow fingers has been described earlier in connection with Figure 8.
  • the receptacle according to the invention and shown in Figures 14 to 19 may be used with the terminator having hollow fingers as will be discussed.
  • the receptacle 100 includes a main body portion 102 fabricated of a suitable insulating material such as molded plastic.
  • the body 102 has a main opening that receives the terminator 10 therewithin.
  • the housing is generally similar to that described in United States Patent 4,601,527, assigned to the assignee of the present invention.
  • the upper and lower edges of the receptacle body 102 are provided with an alternating array of lands 106A, 106B and grooves 108A, 108B, respectively.
  • the surfaces of the lands 106A, 106B and the troughs of the grooves 108A, 108B are provided with suitable electrical contacts 110A, 110B and 112A, 112B respectively. The contacts are retained in the receptacle 100 in the standard manner.
  • the contacts 110 and 112 are supported in the body 102 of the receptacle 100 such that, as measured with respect to a predetermined datum, the contacts 110 disposed on the lands 106 extend for a distance from the datum different than the distance that the contacts 112 extend from the datum.
  • the reference datum is selected as the plane 116 containing the upper surface of the housing 102.
  • the contacts 110A on the lands 106A extend for a distance 118 from the datum 116 that is greater than the distance 120 that the contacts 112A in the grooves 108A extend from the datum 116.
  • the reference datum is selected to be the plane 122 containing the lower surface of the housing 102 and the distances defined between the contacts 110A is indicated by the character 124 and the distance defined by the contacts 112B is indicated by the character 126.
  • an equally useful datum may be defined by a bisecting plane 130 ( Figure 12) extending parallel to the arrays of contacts and midway therebetween.
  • the contacts 110A, 110B on the lands 106A, 106B respectively are spaced a distance 134 from the datum 130 while the contacts 112A, 112B in the grooves 108A, 108B, respectively are spaced from the datum 130 by the distance 136.
  • a terminator 10 may be received in the receptacle 100 such that the upper surfaces of the walls 32 on the ground structure 22 are brought into electrically conductive engagement with the contacts in the grooves 108, while the contacts 58 supported in the contact support 44 are brought into electrically conductive engagement with the contacts 110 on the lands 106.
  • the location of the signal and the ground connections on essentially two levels of the receptacle 100 permits the density of the connector to be increased. Since the ground connection is provided by the walls of the structure 22, the width dimension of the walls could be physically less than the width dimension of the signal carrying contact blades. This situation permits an increase in signal density while maintaining transmission line characteristics. Moreover the staggering of the signal and ground interconnection points on two levels permits further compression of the structure leading to yet greater density.
  • the structure of the receptacle shown in Figures 10 through 12 is modified slightly as shown in Figure 13.
  • the lands 106 are separated by slots 140.
  • contact plates 142 are provided that overlie a portion of the slots 140.
  • the ground structure 22 is slightly modified in that the walls 32 are extended to a height sufficient to permit the upper surfaces of the walls 32 to contact against the contact plates 142.
  • the plates 142 and the ground contacts 112 are preferably connected in common.
  • the receptacle 100 (or 100') can be implemented using any s Amble alternate form of contact.
  • Figures 14 through 19 illustrate an embodiment of a receptacle according to the invention.
  • the receptacle is useful with any terminator as hereinbefore disclosed which minimizes the potential of cross-talk between contacts within the receptacle.
  • Figure 14 shows a side elevational view, entirely in section, of a receptacle 200 in accordance with the present invention in the fully assembled state and ready to accept a plug terminator 10 shown in phantom lines.
  • Figures 15 and 16 are respectively exploded side elevation and plan views of the receptacle 200 shown assembled in Figure 14.
  • the terminator is of the type shown in Figure 16 (generally similar to that shown in Figure 6) having two fingers 54A, 54B. Each finger 54A, 54B is provided with a plurality of contact elements 58.
  • the ground structure 22 of the terminator is provided with three walls 32A, 32B and 32C whereby two channels 34A, 34B are defined.
  • the leading edge surface of the ground structure 22 is again indicated in the Figures 14 and 16 by reference character 29. It should be understood that the receptacle may be modified to accept a terminator of the type in which a single contact element 58 is disposed on each finger. Of course any of the other terminator structures shown in this application may be used, if desired, with appropriate modification of the receptacle in accordance with the teachings herein.
  • One of the arrays (e.g. array 240) is lying above a bisecting plane 243 containing the axis 204A and the other of the arrays (e.g., the array 242) is lying below the bisecting plane 243 of the connector.
  • the springs 238 may be replaced by corresponding pins.
  • the block 204 is formed by the jointure of a first and a second bar element 244 and 246, respectively.
  • Each of the bars 244, 246 is a molded member fabricated from a plastic material.
  • the bars 244, 246 are held to each other along a jointure line 248 when the bars 244, 246 are received within the housing 204, as will be discussed.
  • the latch spaces 230 and the spacers 236 may be defined by registered cut outs formed in each of the bars 244, 246 if this mode of fabrication of the contact block is used. It should be appreciated, however, that the block 204 may be integrally fabricated and it is shown in Figures 14 and 15 as being formed as an integral member for convenience of illustration.
  • Figure 18 illustrates a perspective view of a typical arrangement for a housing.
  • the housing 208 shown in Figure 18 is formed from two conjoined housing sections 208-1, 208-2 connected in end to end relationship by webs 250.
  • the structure shown in Figure 18 may be conveniently formed by molding as an integral place.
  • a housing section (e.g.. the section 208-1) may be used singly or may form to any convenient length by molding or by connecting individual housing sections using any convenient mode of connection.
  • Each housing section 208 is a molded plastic member having an upper end and a lower sidewall 252, 254 joined by end walls 256, 258.
  • the forward portion of each of the sidewalls 252. 254 is provided with an array of fingers 266, 268.
  • the fingers in each array 266, 268 are themselves joined at their forward ends by a retaining lip 270 (best seen in Figures 14 and 15).
  • the sidewalls 252, 254 are joined together by ribs 272 which are spaced axially along the sidewalls. The ribs 272 serve to join the sidewall 252 to the sidewall 254 and thereby to stabilize the structure of the housing 208.
  • each of the end walls 260, 262 is provided with latches 278.
  • the block 204 is introduced into the housing 208 such that the slots 228 in the contact block 204 ( Figure 17) each accept one of the ribs 272 of the housing 208.
  • each of the pillars 229 ( Figure 17) of the contact block 204 is paired with and abuts a corresponding one of the ribs 272 of the housing.
  • the curved forward ends 238F of the contact springs are retained by the lip 270, as is best seen in Figures 14 and 15.
  • the block 204 is held in position in the housing 208 by the interengagement of the latch 278 on the end walls 256, 258 with the spaces 230, 232 in the end walls 224, 226.
  • Standoffs 280 are provided at any convenient location on the housing 208.
  • a gap 282 ( Figure 16) is provided between the fingers in the upper array 266 and in the lower finger array 268.
  • the gap 282 is located on the housing 208 in a position that coincides with the position at which the wall 32B on the terminator 10 will lie when the terminator is introduced into the receptacle.
  • a step 284 which is sized and located to accept the walls 32A, 32C on the terminator.
  • the fingers in the arrays 266, 268 may be appropriately interrupted by gaps analogous to the gap 282 to correspond to the locations of the walls 32 on the ground structure of the terminator being used with the receptacle.
  • the remaining component of the receptacle 200 is the frame 212, illustrated in Figure 19.
  • the frame 212 is a generally rectangular member formed from metal or metalized plastic.
  • the frame 212 has upper and lower crossbars 290, 292 which are interconnected at corresponding ends thereof by uprights 294. 296 and at the midpoint thereof by an upright 297.
  • Mounting wings 298 extend from the uprights 294, 296 to facilitate the mounting of the frame to the board B or the like.
  • Forwardly projecting ground spring contacts 300 extend from the crossbars 290, 292 at predetermined spaced locations thereon, generally in the vicinity of the uprights 294, 296 and 297. In the embodiment shown in Figures 14 to 19, the spring contacts 300 are press fit into blind openings 301 in the crossbars 290, 292.
  • the location of the ground contacts 300 corresponds to the locations of the gap 282 and the steps 284 on the housing 208. If desired the openings 301 could take the form of through bores dimensioned to closely accept the contacts 300.
  • the frame 212' is modified to eliminate the necessity of press fitting the springs 300 into the blind openings 301.
  • the ground contacts 300' take the form of generally U-shaped spring members 350 having a base 352 portion and forwardly extending legs 354A, 354B.
  • two or more U-shaped springs 350 may be spaced axially and connected by axially extending webs 356 (shown in section in Figure 20).
  • the corners between the legs 354A, 354B and the base 352 are provided with stiffeners 358A. 358B.
  • the frame 212' is also modified to accept the modified springs 300'.
  • the frame 212' is provided with either a through bore 362 formed in the upright 297' substantially midway between the uprights 294', 296' (as seen in Figure 21) or with slots 364, 366 respectively formed in the uprights 294'. 296'.
  • a corresponding slot 370 is provided in an endpiece 376 to form a bore to receive the spring member 350.
  • the registration with the slot 364 in the upright 294' on the frame 212' of an adjacent receptacle 200' closes the slot 366 thereby to define a bore.
  • each the spring member 350 When mounted to a board B each the spring member 350 is clamped thereagainst by standoffs 280 ( Figure 20) which form part of the contact block 204.
  • the standoffs 280 act against the stiffeners 358A, 358B, to clamp the springs 350 against the board B when the receptacle 200' is secured to the board B, as by screws 384.
  • the crossbars 290', 292' are modified from that shown in Figure 14 in that in Figure 20 they extend further forwardly to overlie a greater portion of the contact block 204.
  • the crossbars 290', 292' have gaps, as at 386 ( Figure 21), which accept the legs 354A, 354B of the spring 350 that extends through the central upright 297'.
  • the lateral ends of the crossbars 290', 292' do not extend to the lateral ends of the uprights 294', 296', as the case may be, whereby the legs 354A, 354B of the springs passing through these uprights may be accommodated, as seen in Figure 21, at 388. 390, respectively.
  • trailing portion 240T, 242T of the contacts 240, 242 respectively are not shown in Figure 20, but may be arranged in any fashion to permit any form of surface or through mounting of the receptacle 200' to the board B.
  • the trailing portions 240T, 242T are those portions of the contacts 240, 242, respectively, that are isolated by the plate 302.
  • a central plate 302 having a planar top and a planar bottom surface 302T and 302B, respectively, and a leading edge surface 302L thereon, extends between the uprights 294, 296 and 297 and across the frame 212 or 212'.
  • the plate 302 is disposed generally parallel to the crossbars 290, 292.
  • the central plate 302 is provided with an array of slots 304 which define a plurality of tongues 306.
  • the lateral dimension of the slots 304 is sized such that as the frame 212 or 212' is inserted into the housing 208 the slots 304 accept the ribs 272 formed in the housing 208 ( Figure 18) and the pillars 229 in the contact block 204 ( Figure 17).
  • the slots 304 may be enlarged, if necessary, as shown at 304E, to accommodate the spacing between the webs 250 in the housing 208, if the same are provided.
  • the crossbars 290, 292 lie exteriorly to the surfaces 252, 254, respectively, of the housing 208.
  • the tongues 306 on the frame 212 project through the housing 208 and into the spaces 236 formed in the block 204.
  • the tips 306T of the tongues 306 extend through the block 204.
  • the board may be provided with a ground tracing T such that the tips 306T may abut the tracing T or lie within a predetermined close distance thereof.
  • the tongues 306 of the frame surround each rib 272 and the abutted pillar 229 paired therewith.
  • the leading edge surface 29 of the ground structure 22 is brought, in accordance with the present invention, into a predetermined close adjacency or, not falling within the scope of the present invention, into abutted relationship with the leading edge 302L of the central plate 302.
  • the ground contacts 300 on the frame 212 or the legs 354A, 354B of the spring member 350 in the case of the frame 212' electrically engage the walls 32 on the ground structure.
  • the edge 29 on the ground structure 22 is brought within a predetermined close distance of (on the order of 0.005 inch typically) or abutment with the edge 302L of the central plate 302 it should be apparent that the ground structure 22 is, in effect, extended by the action of the central plate 302 through the receptacle.
  • the cooperating interaction of the ground structure 22 in the terminator and the central plate 302 in the receptacle serves to electrically isolate and control the impedance of the grouped contacts on the terminator and on the receptacle.
  • This structure inherently forms a low impediance transmission line between the forward edge surface 29 of the ground structure 22 and the leading edge surface 302L of the central plate 302 which functions as a "choke joint" to provide continuity of propagating ground current between the structure 22 and the plate 302.
  • the choke joint includes the confronting frontal surfaces 294F. 296F and 297F ( Figure 19) on the respective uprights 294, 296 and 297 (and the corresponding surfaces on uprights 294', 296', 297') and the frontal surfaces 32F ( Figure 14) on the walls 32 of the ground structure 22.
  • the engagement of the ground contact 300 or 300' of the frame 212 or 212', respectively, with the top surface 32T of the walls 32 of the ground structure 22 terminates the low impedance transmission line choke joint.
  • the inductance of the termination may be altered from that shown in Figure 19 by physically locating the contacts 300 (or 350) as close as possible to the frontal surfaces of the uprights which form part of the choke joint and by configuring the contacts 300 (or 350) such that they contact the top surfaces 32T of the walls 32 as close as possible to the choke joint.
  • the impedance of the choke joint may be lowered by increasing the confronting surface areas of the forward surface 29 of ground structure 22 and the leading edge surface 302L of the plate 302. This may be accomplished by chamfering these surfaces at corresponding angles X and Y. Although any angle could be used, magnitudes of X and Y should preferably be on the order of forty-five degrees (45°) since too small an angle may be more difficult to manufacture.
  • the impedance of the choke joint is made less dependent upon the clearance distance C defined between the plate 30L and the ground structure 29.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Programmable Controllers (AREA)
  • Multi-Conductor Connections (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (15)

  1. Elektrisches Konnektorsystem mit
    einem Aufnahmeteil (100;200) mit zwei Arrays von Kontaktelementen (240,242) und einer zwischen den beiden Arrays von Kontaktelementen (240,242) angeordneten ersten Leiterplatte (302),
    einem Anschlußteil (10) mit zwei Arrays von Kontaktelementen und einer zwischen den beiden Arrays von Kontaktelementen (58) des Anschlußteils (10) angeordneten zweiten Leiterplatte (22),
    wobei die erste und die zweite Leiterplatte (302,22) jeweils eine Vorderkante (302L,29) aufweisen,
    wobei das Aufnahmeteil (100;200) und das Anschlußteil (10) in einem Anschlußzustand derart zusammengreifen können, daß die Kontaktelemente (240,242,58) des Aufnahmeteils (100;200) und des Anschlußteils (10) elektrische Verbindungen zwischen sich bilden, und wobei die Leiterplatten (302,22) an ein vorbestimmtes Potential anschließbar sind,
    dadurch gekennzeichnet,
    daß die Vorderkanten (302L,29) im Anschlußzustand mit vorbestimmter enger gegenseitiger Nähe zueinander angeordnet sind.
  2. System nach Anspruch 1, bei dem das Aufnahmeteil (100;200) einen leitenden Rahmen (212) aufweist, mit dem die erste Leiterplatte (302) einstückig verbunden ist.
  3. System nach Anspruch 1 oder 2, bei dem die Leiterplatte (22) des Anschlußteils (10) mindestens eine leitende Wand (32) aufweist, die zwischen den Kontaktelementen (58) eines Arrays aufrecht von der Leiterplatte absteht.
  4. System nach Anspruch 2 oder 3, bei dem der Rahmen (212) ferner mindestens eine parallel zu der Leiterplatte (302) verlaufende Querleiste (290,292) aufweist, an der ein Kontakt (300) ausgebildet ist, der im Anschlußzustand elektrisch mit der Leiterplatte (22) des Anschlußteils (10) verbindbar ist.
  5. System nach einem der Ansprüche 1-4, bei dem die Vorderkanten (29,302L) der Leiterplatten (22,302L) unter einem vorbestimmten Winkel derart abgeschrägt sind, daß die Vorderkanten parallel zueinander liegen.
  6. System nach einem der Ansprüche 1-5, bei dem der vorbestimmte enge gegenseitige Abstand kleiner als oder gleich ungefähr 0,127 mm ist.
  7. System nach einem der Ansprüche 4-6, bei dem in der Querleiste (290,292) eine blinde Öffnung (301) ausgebildet ist, und bei der der Kontakt (300) durch Preßsitz in die blinde Öffnung (301) und die Querleiste (290,292) eingepaßt ist.
  8. System nach einem der Ansprüche 4-6, bei dem in der Querleiste (290,292) eine durchgehende Bohrung (362) ausgebildet ist, und bei dem der Kontakt mindestens ein generell U-förmiges Teil ist, das einen Basisteil (352) mit einem Paar von diesem abstehender Schenkel (354A,354B) aufweist, wobei sich die Schenkel des U-förmigen Teils (300') durch die Bohrung (362) hindurch in die Querleiste (290,292) erstrecken.
  9. System nach Anspruch 8, bei dem das U-förmige Teil ein zwischen der Basis (252) und jedem Schenkel (354A, 354B) angeordnetes Versteifungselement (358A,258B) aufweist, wobei an dem Gehäuse (208) abstehende Teile (280) ausgebildet sind, die derart mit den versteifungselementen oder dem U-förmigen Teil zusammengreifen können, daß das U-förmige Teil (300') gegen eine Fläche geklemmt wird.
  10. System nach Anspruch 8 oder 9, bei dem die U-förmigen Teile durch einen Steg verbunden sind.
  11. System nach einem der Ansprüche 2-10, bei dem das Aufnahmeteil (200) zusätzlich einen isolierenden Kontaktblock (204) zum Halten mindestens eines Teiles eines Arrays der Kontaktelemente (240,242) aufweist, wobei der Kontaktblock (204) in dem leitenden Rahmen (212) aufgenommen ist.
  12. System nach einem der Ansprüche 2-11, bei dem der leitende Rahmen (212) eine obere Querleiste (290) und eine untere Querleiste (292) aufweist, wobei die erste Leiterplatte (302) zentral zwischen den oberen und unteren Querleisten (290,292) sowie in einer Ebene angeordnet ist, die im wesentlichen parallel zu den oberen und unteren Querleisten (290,292) verläuft.
  13. System nach Anspruch 12, bei dem jedes der beiden Arrays von Kontaktelementen (240,242) in einer parallel zu den Querleisten (290,292) verlaufenden Ebene derart von dem isolierenden Kontaktblock (204) absteht, daß ein Array von Kontakten (240) zwischen der oberen Querleiste (290) und der Leiterplatte (302) angeordnet ist, und das andere Array von Kontaktelementen (242) zwischen der unteren Querleiste (292) und der Leiterplatte (302) angeordnet ist, wobei das eine Array von Kontaktelementen (240) zu der oberen Querleiste (290) hin biegbar ist und das andere Array von Kontaktelementen (242) zu der unteren Querleiste (292) hin biegbar ist.
  14. System nach einem der Ansprüche 11-13, bei dem das Aufnahmeteil (200) ferner ein isolierendes Gehäuse (208) aufweist, das in dem zur Aufnahme des isolierenden Kontaktblockes (204) vorgesehenen leitenden Rahmen (212) aufgenommen ist, wobei das Gehäuse (208) mehrere Finger (266) mit zwischen diesen ausgebildeten Zwischenräumen und ein die Finger (266) verbindendes Rückhalteteil (270) aufweist, wobei sich jedes der Kontaktelemente (240,242) von dem Kontaktblock (204) derart in einen entsprechenden der Zwischenräume hinein erstreckt, daß die abstehenden Enden (238) jedes der Kontaktelemente (240,242) gebogen und von dem Rückhalteteil (270) zurückgehalten werden.
  15. System nach Anspruch 12 oder 13, bei dem das Aufnahmeteil (200) ferner ein isolierendes Rückhalteteil aufweist, das nahe den oberen und unteren Querleisten (290,292) mit dem leitenden Rahmen (212) verbunden ist, wobei das Rückhalteteil mehrere Öffnungen aufweist, um die Enden der Kontaktelemente (240,242) aufzunehmen und die Enden in den Öffnungen zurückzuhalten.
EP89906284A 1988-05-13 1989-05-12 Steckverbindersystem für mehrere elektrische leiter Expired - Lifetime EP0368982B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US193611 1988-05-13
US07/193,611 US4824383A (en) 1986-11-18 1988-05-13 Terminator and corresponding receptacle for multiple electrical conductors
US28553388A 1988-12-16 1988-12-16
US285533 1988-12-16
PCT/US1989/002082 WO1989011169A1 (en) 1988-05-13 1989-05-12 Receptacle for a terminator for multiple electrical conductors

Publications (3)

Publication Number Publication Date
EP0368982A1 EP0368982A1 (de) 1990-05-23
EP0368982A4 EP0368982A4 (en) 1993-05-05
EP0368982B1 true EP0368982B1 (de) 1996-09-25

Family

ID=26889170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89906284A Expired - Lifetime EP0368982B1 (de) 1988-05-13 1989-05-12 Steckverbindersystem für mehrere elektrische leiter

Country Status (8)

Country Link
EP (1) EP0368982B1 (de)
JP (1) JP2935865B2 (de)
AT (1) ATE143533T1 (de)
AU (1) AU3687689A (de)
DE (1) DE68927249T2 (de)
HK (1) HK114997A (de)
SG (1) SG43152A1 (de)
WO (1) WO1989011169A1 (de)

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JP3298920B2 (ja) * 1992-04-03 2002-07-08 タイコエレクトロニクスアンプ株式会社 シールド型電気コネクタ
US5215473A (en) * 1992-05-05 1993-06-01 Molex Incorporated High speed guarded cavity backplane connector
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US6280209B1 (en) * 1999-07-16 2001-08-28 Molex Incorporated Connector with improved performance characteristics
US6454605B1 (en) * 1999-07-16 2002-09-24 Molex Incorporated Impedance-tuned termination assembly and connectors incorporating same
JP3616874B2 (ja) 1999-07-16 2005-02-02 モレックス インコーポレーテッド インピーダンスが調整されたコネクタ
NL1015059C2 (nl) * 2000-04-28 2001-10-30 Fci S Hertogenbosch B V Kabelconnector en kit voor het in elkaar zetten daarvan.
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FR2836758A1 (fr) * 2002-03-04 2003-09-05 All Best Electronics Co Ltd Connecteur
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US6863549B2 (en) 2002-09-25 2005-03-08 Molex Incorporated Impedance-tuned terminal contact arrangement and connectors incorporating same
CN2802767Y (zh) 2005-06-29 2006-08-02 华为技术有限公司 一种连接器插头
WO2009025868A1 (en) 2007-08-23 2009-02-26 Molex Incorporated Board mounted electrical connector
US7614887B1 (en) * 2008-07-31 2009-11-10 Hon Hai Precision Ind. Co., Ltd. Electrical connector with improved contacts
DE102009042208A1 (de) 2009-09-18 2011-03-31 Valeo Schalter Und Sensoren Gmbh Bestückungsverfahren für Kontaktverbindung auf Leiterplatten
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US8371861B1 (en) * 2011-08-03 2013-02-12 Tyco Electronics Corporation Straddle mount connector for a pluggable transceiver module
KR101389065B1 (ko) * 2012-08-20 2014-04-28 히로세코리아 주식회사 커넥터
KR101389066B1 (ko) * 2012-08-20 2014-04-28 히로세코리아 주식회사 커넥터
US9992863B2 (en) * 2013-08-23 2018-06-05 Apple Inc. Connector inserts and receptacle tongues formed using printed circuit boards
CN204361372U (zh) * 2014-11-14 2015-05-27 富士康(昆山)电脑接插件有限公司 电连接器
JP6404156B2 (ja) * 2015-03-25 2018-10-10 日本航空電子工業株式会社 コネクタ
JP6443433B2 (ja) * 2016-12-22 2018-12-26 第一精工株式会社 コネクタ及びコネクタの製造方法
JP6763340B2 (ja) * 2017-05-10 2020-09-30 Ｉ−Ｐｅｘ株式会社 コネクタ
JP6764370B2 (ja) * 2017-05-10 2020-09-30 Ｉ−Ｐｅｘ株式会社 コネクタ
JP7207080B2 (ja) * 2019-03-28 2023-01-18 住友電装株式会社 コネクタ

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CN106170896A (zh) * 2014-03-19 2016-11-30 日本航空电子工业株式会社 连接器
CN106170896B (zh) * 2014-03-19 2018-05-25 日本航空电子工业株式会社 连接器

Also Published As

Publication number Publication date
EP0368982A1 (de) 1990-05-23
WO1989011169A1 (en) 1989-11-16
HK114997A (en) 1997-08-29
JPH03501185A (ja) 1991-03-14
EP0368982A4 (en) 1993-05-05
SG43152A1 (en) 1997-10-17
JP2935865B2 (ja) 1999-08-16
ATE143533T1 (de) 1996-10-15
DE68927249T2 (de) 1997-05-07
AU3687689A (en) 1989-11-29
DE68927249D1 (de) 1996-10-31

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