EP2395606B1 - Connecteur électrique et procédé de connexion de câble à paire torsadée au connecteur électrique - Google Patents

Connecteur électrique et procédé de connexion de câble à paire torsadée au connecteur électrique Download PDF

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Publication number
EP2395606B1
EP2395606B1 EP11004663.8A EP11004663A EP2395606B1 EP 2395606 B1 EP2395606 B1 EP 2395606B1 EP 11004663 A EP11004663 A EP 11004663A EP 2395606 B1 EP2395606 B1 EP 2395606B1
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EP
European Patent Office
Prior art keywords
cable
electrical connector
base portion
twisted pair
untwisted
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
EP11004663.8A
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German (de)
English (en)
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EP2395606A1 (fr
Inventor
Takashi Nagawatari
Naohisa Nakata
Tadashi Kubota
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.)
Hirose Electric Co Ltd
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Hirose Electric Co Ltd
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Filing date
Publication date
Priority claimed from JP2010131282A external-priority patent/JP5364042B2/ja
Priority claimed from JP2010220633A external-priority patent/JP5066243B2/ja
Application filed by Hirose Electric Co Ltd filed Critical Hirose Electric Co Ltd
Publication of EP2395606A1 publication Critical patent/EP2395606A1/fr
Application granted granted Critical
Publication of EP2395606B1 publication Critical patent/EP2395606B1/fr
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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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473—Impedance matching
    • 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]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/65912—Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
    • H01R13/65915—Twisted pair of conductors surrounded by shield
    • 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]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H01R13/6593—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable the shield being 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6463—Means for preventing cross-talk using twisted pairs of wires
    • 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]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/65912—Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
    • H01R13/65917—Connection to shield by means of resilient members
    • 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

Definitions

  • the present invention relates to an electrical connector to be connected to a twisted pair cable and a method of connecting a twisted pair cable to the electrical connector.
  • the unshielded twisted pair cable is a cable made by twisting a pair of single wires.
  • the unshielded twisted pair cable is not susceptible to noises from outside and has good noise performance with less noise radiation.
  • the unshielded twisted pair cable is easy to handle and reasonable priced. Accordingly, the unshielded twisted pair has been widely used.
  • the unshielded twisted pair cable does not have excellent noise performance in comparison with a coaxial cable.
  • the shielded twisted pair cable which is made by twisting a pair of single wires and coated with a conductive shield so as to improve the noise performance, has also been widely used.
  • the shielded twisted pair cable In addition, in case of the shielded twisted pair cable, the single wires are untwisted after removing a conductive shield at the end parts to expose the pair of single wires. As a result, although the shielded twisted pair cable has specific characteristic impedance at a high frequency when the pair of single wires is twisted, the specific characteristic impedance tends to increase at a portion where the pair of single wires is untwisted.
  • the impedance tends to increase at the portion where the twisted pair cable is untwisted. Accordingly, it is difficult to achieve impedance matching between circuits or devices, which are connected via the conventional electrical connector and the twisted pair cable.
  • Patent Reference has disclosed a method of adjusting impedance of the twisted pair cable. According to Patent Reference, a pair of untwisted single wires is bundled with a tape or a tube at an untwisted portion of the twisted pair cable. Patent Reference: Japanese Patent Application Publication No. 2004-71404
  • Patent Reference in case of a small-sized electrical connector or in case of connecting a plurality of twisted pair cable (a plurality of paired wires) to one electrical connector at small intervals, it is not easy to bundle the untwisted pair of single wires with the tape or the tube. As a result, according to the technique described in Patent Reference, it is difficult to connect the conventional electrical connector to the twisted pair cable in a simple procedure, and it is necessary to take more time for the connection work. Further, it may result in poor yield due to poor attachment of the tape or the tube.
  • European patent application EP 1 950 847 A2 discloses a connector provided for connecting a plurality of coaxial cables as well as twin cables, wherein the connector has an elongated connector main body and a shield member and a cable holding portion, wherein the cable holding portion is provided in the form of a plurality of attachment portions which are respectively swaged around the cables in order to sandwichingly hold the cables.
  • an object of an invention is to provide an electrical connector and a method of connecting a twisted pair cable to the electrical connector. In the present invention, it is possible to control impedance and maintain noise performance of the twisted pair cable, especially at an untwisted portion of a shielded twisted pair cable. Further, it is possible to easily or securely connect the twisted pair cable to the electrical connector.
  • an electrical connector is for connecting to an end portion of a twisted pair cable, which is made by twisting a pair of single wires, each of which respectively includes a conductor and an insulator that coats the conductor.
  • the electrical connector includes a connector main body, which is made of an insulating material, for attaching an end portion of each single wire of the untwisted pair of single wires that are untwisted at the end portion of the twisted pair cable; and a shell member to hold the untwisted
  • both the base portion and the cable holding portion are formed of the conductive material. Accordingly, it is possible to cover the untwisted portion with a conductive material. With the configuration, if the conductive material is grounded, it is possible to further reduce the impedance at the untwisted portion, and thereby more effectively achieve impedance matching between circuits or devices that are connected via the electrical connector and the twisted pair cable. Moreover, with the configurations, it is possible to control the decrease of
  • the invention it is possible to control increase of the impedance or reduction of the noise performance at the untwisted portion of the twisted pair cable, especially the shielded twisted pair cable.
  • the shell member includes a base portion, which is made of a conductive material, to dispose the connector main body at the front end side and the untwisted portion at the basal end side; a cable holding portion, which is made of a conductive material, to hold the pair of single wires at the untwisted portion that is disposed at the basal end section of the base portion while positioning single wires of the pair so as to parallel to each other and close or contact to each other; and a cover portion provided on the base portion so as to have at least the untwisted portion and the cable holding portion between the cover portion and base portion.
  • the cable holding portion holds the untwisted portion of the twisted pair cable and positions the single wires of the pair at the untwisted portion so as to be parallel to each other and close or contact to each other, wherein the cable holding portion is arranged to cover at least an upper portion of the untwisted portion from thereabove.
  • both the base portion and the cable holding portion are formed of the conductive material. Accordingly, it is possible to cover the untwisted portion with a conductive material. With the configuration, if the conductive material is grounded, it is possible to further reduce the impedance at the untwisted portion, and thereby more effectively achieve impedance matching between circuits or devices that are connected via the electrical connector and the twisted pair cable. Moreover, with the configurations, it is possible to control the decrease of the noise performances originally owned by the twisted pair cable at the end portion of the twisted pair cable connected to the electrical connector.
  • the electrical connector in the first aspect of the present invention may be characterized by that the cable holding portion completely or partially covers periphery of the pair of single wires at the untwisted portion.
  • the electrical connector in the first aspect or the second aspect may be characterized by that the cable holding portion continuously covers the untwisted section from the basal part of the base portion up to a position so as to reach the connector main body or get close thereto.
  • the electrical connector in one of the first through third aspects may be characterized by that the cable holding portion is formed by attaching a conductive member, which is independent from the base portion, to the base portion.
  • the electrical connector in the fourth aspect may be characterized by having at least a pair of protrusions that protrudes from the base portion so as to interpose both sides of the untwisted section therebetween and positions the pair of single wires at the untwisted portion onto the base portion.
  • the conductive member is attached to the base portion or the pair of protrusions so as to link between the pair of protrusions.
  • the electrical connector in the fourth aspect or the fifth aspect may be characterized by that the cover portion has a pressing section to press the conductive member between the cover portion and the base portion.
  • the electrical connector in one of the first through the third aspects may be characterized by making the cable holding portion by cutting and bending a part of the base portion.
  • the electrical connector in one of the first through the third aspects may be characterized by forming the whole or a part of the cover portion from a conductive material.
  • the cable holding portion can be made by attaching the cover portion to the base portion so as to cover at least an upper part of the untwisted portion at a portion of the cover portion that is made of a conductive material.
  • the electrical connector in one of the first through the eighth aspects may be characterized by attaching a plurality of pairs of single wires that are respectively untwisted to the connector main body, respectively disposing untwisted portions of single wires of the plurality of pairs on the basal end side of the base portion, providing a plurality of cable holding portions, and respectively holding the untwisted portions of the single wires of the plurality of pairs disposed on the basal end side of the base portion by the cable holding portions.
  • the whole circumference of the untwisted portion is fully covered with the separation wall portions of the cable holding portion, the bottom plate portion of the base portion, and the cover portion, any of which is made of a conductive material. Therefore, it is possible to securely reduce the impedance at the untwisted portion and more effectively achieve impedance matching between circuits or devices that are connected via the electrical connector and the twisted pair cable. In addition, it is possible to securely control reduction of the noise performances originally owned by the twisted pair cable at the end of the twisted pair cable connected to the electrical connector.
  • the electrical connector in the first aspect may be characterized by that the cable holding portion has a substrate section to be mounted on the bottom plate portion of the base portion and the pair of separation wall portions is provided on the bottom plate portion.
  • the electrical connector in the first aspect may be characterized by that the cable holding portion has a latching section that positions the substrate section and the pair of separation wall portions on the bottom plate portion of the base portion and latches to the base portion.
  • the electrical connector in the electrical connector, it is possible to easily and highly precisely position and attach the cable holding portion to the base portion and make assembling of the electrical connector easier and more efficient.
  • the electrical connector in one of the tenth through the twelfth aspects may be characterized by that the cover portion has an inner lid section, which is made of a conductive material, goes inside the pair of separation wall portions of the cable holding portion, and fully covers the untwisted portion held between the pair of separation wall portions inside the pair of separation wall portions from thereabove.
  • the whole circumference of the untwisted portion is covered by the separation wall portions of the cable holding portion, the bottom plate portion of the base portion (the substrate section of the cable holding portion if the cable holding portion has a substrate section), and the inner lid section of the cover portion, any of which is made of a conductive material, and the outer circumference side is fully covered by the side plate portions of the base portion, the bottom plate portion of the base portion, and the cover portion, any of which is made of a conductive material. Since the untwisted portion is totally surrounded doubly by conductive materials as described above, it is possible to significantly enhance the shielding of the untwisted portion, and it is possible to even more securely control reduction of the impedance and noise performance at the untwisted portion.
  • the electrical connector in one of the tenth through the thirteenth aspects may be characterized by that a plurality of pairs of single wires, which are respectively untwisted, are attached to the connector main body, the cable holding portion has a plurality of pairs of the separation wall portions, and the untwisted portions of single wires of the plurality of pairs of single wires are respectively held between the plurality of pairs of separation wall portions.
  • a method according to claim 15 is for connecting an end portion of a twisted cable, which is made by twisting to each other a pair of single wires having a conductor and an insulator that coat the conductor, to an electrical connector.
  • the method includes a step of untwisting the pair of single wires at an end portion of the twisted pair cable and attaching the end portion of each single wire to a connector main body made of an insulating material; a step of disposing the untwisted pair of single wires of the twisted pair cable so as to be parallel to each other or get close or contact to each other at a basal end side of a base portion of a shell member attached to the connector main body, at a front end side of which the connector main body is disposed; a step of holding the pair of single wires, which is disposed at the basal end side of the base portion, with the cable holding portion made of a conductive material at the basal end side of the base portion; a step of covering at least an upper portion of the untwisted portion (106) with said cable holding portion; and a step of attaching a cover portion to the base portion so as to position at least the untwisted section and the cable holding portion between the cover portion and the base portion.
  • the invention it is possible to control increase of the impedance or reduction of the noise performance at the untwisted portion of the twisted pair cable, especially the shielded twisted pair cable.
  • the electrical connector 1 is an electrical connector to connect to an end portion of a shielded twisted pair cable 101.
  • the shielded twisted pair cable 101 which is described as an example in the embodiment, has two twisted wire pairs made by twisting a pair of single wires 102 together.
  • the shielded twisted pair cable 101 has a drain wire 103 for each twisted wire pair, and each twisted wire pair is covered together with the drain wire 103 by a conductive coating film 107.
  • each single wire 102 has a linear conductor 102A that is made of, for example, copper and an insulator 102B made of polyvinyl chloride or the like to coat the conductor 102A.
  • the conductive shield 104 is made of a conductive material such as copper alloy or aluminum
  • the insulating shield 105 is made of an insulating material such as polyester or polypropylene.
  • the insulating shield 105 is removed at an end portion of the shielded twisted pair cable 101 on the side of connecting to the electrical connector 1
  • the conductive shield 104 is folded back to the outer side, and each conductive coating film 107 is removed.
  • the two pairs of single wires 102 are respectively untwisted, and then the insulator 102B is removed at an end portion of each single wire 102, so as to expose the end portion of the conductor 102A.
  • each untwisted portion 106 refers a portion that extends from a part where each single wire 102 starts to expose by folding back the conductive shield 104 and removing each conductive coating film 107 to the end section of each untwisted single wire 102.
  • the connector main body 2 is made of an insulating material, and has a plurality of attaching ports 2A (see Fig. 3 ) formed to attach an end portion of each single wire 102 of the untwisted two wire pairs of the shielded twisted pair cable 101.
  • a terminal housing section (not illustrated) to house connecting terminal 12 (see Fig. 2 ) to electrically connect to an end portion of the conductor 102A of each single wire 102.
  • the shell member 3 is to hold the connector main body 2 and an end portion of the shielded twisted pair cable 101. More specifically, as shown in Fig. 1 , the shell member 3 has a base portion 4 and a shell cover portion 8, and holds the connector main body 2 and an end portion of the shielded twisted pair cable 101, whose end section of each single wire 102 is attached to the connector main body 2 as shown in Fig. 2 . Furthermore, as shown in Fig. 2 , the shell member 3 has a cable holding portion 7 between the base portion 4 and the shell cover portion 8 to hold each untwisted portion 106 of the shielded twisted pair cable 101.
  • Fig. 3 shows a state where the connector main body 2 is disposed on the base portion 4 of the shell member 3
  • Fig. 4 shows a state where each untwisted portion 106 of the shielded twisted pair cable 101 is further disposed on the base portion 4.
  • Fig. 5 shows a state where each cable cover member 6 is further attached to the base portion 4.
  • the base portion 4 of the shell member 3 is made of a conductive material such as copper alloy.
  • the base portion 4 is formed by bending both end portions of a quadrate sheet metal to form a square-bottomed shaped lateral section which is opened upward, and has a bottom plate portion 4A and side plate portions 4B and 4C arranged on both sides of the bottom plate portion 4A in the width direction.
  • the connector main body 2 is disposed between the side plate portions 4B and 4C on the bottom plate portion A positioned at a front end side of the base portion 4.
  • each untwisted portion 106 of the shielded twisted pair cable 101 in which an end portion of each single wire 102 is attached to the connector main body 2. More specifically, on the bottom plate portion 4A provided on the basal end side of the base portion 4, two untwisted portions 106, which respectively correspond to two wire pairs of the shielded twisted pair cable 101, are disposed being away from each other in the width direction of the base portion 4.
  • the pair of single wires 102 of each untwisted portion 106 is held by a plurality of lanced (cut and bent up) sections 5 while the pair of single wires 102 is being positioned to be parallel to each other and get close or contact to each other.
  • lanced sections 5 for example six lanced sections, are respectively formed.
  • three lanced sections 5 are arranged in two rows at specified intervals from the basal end side to the front end side of the bottom plate portion 4A.
  • the two rows are respectively linear and parallel to each other.
  • the distance between the two rows i.e. the distance between the two lanced sections that face each other in the width direction of the base portion 4) is for example, generally about two times the diameter of each single wire 102.
  • Each lanced section 5 protrudes upward from the bottom plate portion 4A and the height dimension is for example, almost equal to the diameter of each single wire 102.
  • the pair of single wires 102 of the untwisted portion 106 is positioned by the lanced section 5 and held thereby. More specifically, by clamping both sides of a pair of single wires 102 of the untwisted portion 106 by the three lanced sections 5 that are linearly disposed in each row, the pair of single wires 102 is positioned to be parallel to each other.
  • the pair of single wires 102 of the untwisted portion 106 is positioned while being close or contacting to each other. This is the same also in an area on the base plate section 4A of the base portion 4, where the untwisted portion 106 that correspond to the wire pair attached on the right side is disposed.
  • Fig. 6 is an enlarged view of the cable cover member 6 and Fig. 7 shows a state where the cable cover member 6 is attached to the base portion 4.
  • the cable cover member 6 is a member independent from the base portion 4, and is made of, for example, the same conductive material as that of the base portion 4.
  • the cable cover member 6 has a ceiling plate section 6A that is formed to be a long flat section, and a bent section, for example, four bent sections 6B formed by bending both sides of the ceiling plate section 6A in the width direction, protrusions 6C formed on each bent section 6B, and a projecting section 6D that projects from a front end side of the ceiling plate section 6A to the front end side of the base portion 4 upon attaching onto the base portion 4.
  • the cable cover member 6 is attached to the base portion 4 so as to cover the untwisted portion 106, which is disposed on the bottom plate portion 4A of the base portion 4, from thereabove.
  • the ceiling plate section 6A of the cable cover member 6 links between the lanced sections 5 provided on both sides of the untwisted portion 106, and covers an upper side of the untwisted portion 106.
  • each bent section 6B of the cable cover member 6 engages in between the lanced sections 5, and covers a right side and a left side of the untwisted portion 106 with the lanced sections 5. Accordingly, whole circumference of the pair of single wires 102 of the untwisted portion 106 is covered by a portions of the ceiling plate section 6A of the cable cover member 6, the bent section 6B, the lanced sections 5, and the bottom plate portion 4A of the base portion 4, where the untwisted portion 106 is disposed.
  • the ceiling plate section 6A of the cable cover member 6 extends from a basal end section of the base portion 4 to a position right before reaching the connector main body 2, and the bent sections 6B and the lanced sections 5, which are alternately provided, generally extend from the basal end section of the base portion 4 to a position reaching the connector main body 2.
  • the projecting section 6D of the cable cover member 6 extends to a position reaching the connector main body 2.
  • the untwisted portion 106 is continuously covered from the basal end section of the base portion 4 to the connector main body 2.
  • whole circumference and whole range in the length direction of each untwisted section 16 is covered by a conductive material.
  • the protrusions 6C of the cable cover member 6 are caught by the lanced section 5 upon attaching the base portion 4 to the cable cover member 6, and thereby the cable cover member 6 is secured on the base portion 4.
  • the cable cover member 6 is a specific example of the conductive member and the lanced section 5 is a specific example of the protrusion.
  • the shell cover portion 8 is provided on the base portion 4, so as to position the connector main body 2, an end section of the shielded twisted pair cable 101 including each untwisted section 106, and the cable holding portion 7 between the shell cover portion 8 and the base portion 4, and houses the connector main body 2, an end portion of the shielded twisted pair cable 101 including each untwisted section 106, the cable cover member 6, etc.
  • the shell cover portion 8 is attached to a base portion 4, with a latching structure, which is not illustrated in the figure but for example, is formed between the shell cover portion 8 and side plate portions 4B and 4C of the base portion 4.
  • the shell cover portion 8 is, for example, made of the same conductive material as that of the base portion 4, and has a cover plate section 8A that cover an upper side of the base portion 4. Furthermore, the cover plate section 8A has pressing sections 8B, which protrude towards the base portion 4, at positions that correspond to those of each cable cover member 6. Upon attaching the shell cover portion 8 to the base portion 4, each pressing section 8B contacts with an upper face of the ceiling plate section 6A of the cable cover member 6, and presses the cable cover member 6 towards the base portion 4.
  • the shell cover portion 8 may be also made of an insulating material.
  • a cable fastening securing section 10 to fasten and secure the end-treated shielded twisted pair cable 101 at a portion where the conductive shield 104 is folded back and its periphery.
  • the cable fastening securing section 10 is made of the same conductive material as that of the base portion 4, and is made so as to be continuously integrated to the base portion.
  • the cable fastening securing section 10 fastens a portion of the shielded twisted pair cable 101, where the conductive shield 104 is folded back, so as to contact to the conduct shield 104 and electrically connect thereto.
  • the base portion 4 is grounded via the cable fastening securing section 10.
  • the lanced sections 5 of the base portion 4 and the cable cover member 6 that contacts with the lanced sections 5 are also grounded.
  • each untwisted section 106 is covered by a grounded conductive material.
  • the cable fastening securing section 10 is a specific example of a conductive shield connecting section.
  • a method of connecting the electrical connector 1 configured as above to an end portion of the shielded twisted pair cable 101 is as follows.
  • the insulating shield 105 is removed at an end portion of the shielded twisted pair cable 101, the conductive shield 104 is folded back outside, and each conductive coating film 107 is removed. Then, two pairs of single wires 102 are respectively untwisted, the insulator 102B is removed at an end portion of each single wire 102 so as to expose the end portion of the conductor 102A. Then, a connecting terminal 12 is crimped to an end portion of the conductor 102A of the each exposed single wire 102, and an end portion of the conductor 102A of each single wire 102, to which the connecting terminal 12 is crimped, is attached to an attaching port 2A of the connector main body 2.
  • a pair of single wires 102 of each untwisted portion 106 is disposed between two rows of the lanced sections 5 on the bottom plate portion 4A on the basal end side of the base portion 4, so as to dispose the pair of single wires 102 to be parallel or contact or get close to each other.
  • the cable cover member 6 is attached to the base portion 4 so as to cover each untwisted section 106, which is disposed on the bottom plate portion 4A on the basal end side of the base portion 4, from thereabove.
  • the shell cover portion 8 is attached to the base portion 4, the connector main body 2, an end section of the shielded twisted pair cable 101 including each untwisted section 106 and each cable cover member 6 are housed between the base portion 4 and the shell cover portion 8, and each cable cover member 6 is pressed by the pressing member 8B of the shell cover portion 8.
  • the shielded twisted pair cable 101 is fastened and secured onto the cable fastening securing section 10.
  • the conductive shield 104 and the cable fastening securing section 10 are electrically connected.
  • connection of the electrical connector 1 to an end portion of the shielded twisted pair cable 101 is completed.
  • the electrical connector 1 of the first embodiment of the invention upon connecting the electrical connector 1 to the shielded twisted pair cable 101, it is possible to position the pair of single wires 102 of each untwisted portion 106 of the shielded twisted pair cable 101 while being parallel to each other and getting close to or contacting to each other. Furthermore, it is possible to cover the whole circumference and whole range in the length direction of each untwisted portion 106 by a conductive material.
  • the electrical connector 1 of the first embodiment of the invention by disposing the untwisted portion 106 on the bottom plate portion 4A of the base portion 4 and putting the cable cover member 6 thereover, it is possible to control increase of impedance and reduction of noise performances. Therefore, it is possible to achieve the above effects with more simple work in comparison with a case of bundling an untwisted portion of the twisted pair cable with a tape or tube as described in Patent Reference 1. Therefore, according to the first embodiment of the first invention, it is possible to shorten the time required for connecting the electrical connector 1 to the shielded twisted pair cable 101, to reduce generation of poor connection between the shielded twisted pair cable 101 and the electrical connector 1 and improve the yield.
  • FIG. 10 shows an electrical connector according to the second embodiment of the invention, which is in the middle of connecting the shielded twisted pair cable.
  • the same reference numerals are used to the same elements as those of the electrical connector 1 of the first embodiment and the explanation will be omitted.
  • the electrical connector 21 has lanced sections provided on the bottom plate portion 4A of the base portion 4 so as to continuously extend from a basal end section of the base portion 4 to a position right before the connector main body 2.
  • each lanced section 22 is formed to have a V-shaped lateral section.
  • each lanced section 22 is formed from the same conductive material as that of the base portion 4, the whole circumference and the whole range in the length direction of each untwisted section 106 is covered by the conductive material.
  • the electrical connector 21 of the second embodiment of the invention having the above-described configuration, it is possible to obtain almost similar effects to those obtained by the aforementioned electrical connector 1 of the first embodiment of the invention.
  • the electrical connector 21 of the second embodiment of the invention is configured to cover an upper side, right side, and left side of each untwisted portion 16 with each lanced section 22, it is not necessary to provide a cable cover member as in the first embodiment, and furthermore, it is also not necessary to provide a pressing section on the shell cover portion 8 to press the cable cover member.
  • FIG. 11 shows the electrical connector according to the third embodiment of the invention, which is in the middle of connecting to a shielded twisted pair cable.
  • the same reference numerals are used for the same elements as those in the electrical connector 1 according to the first embodiment and the explanation will be omitted.
  • each lanced section 22 of the electrical connector 21 according to the second embodiment of the invention is configured to clamp the both sides of the untwisted portion 106 in the width direction
  • each lanced section 32B of the electrical connector 31 according to the third embodiment of the invention shown in Fig. 11 is configured to surround the untwisted portion 106 from one side to the other in the width direction.
  • the lanced sections that cover each untwisted portion 106 is composed of lanced sections 32A, e.g. two lanced sections, that relatively slightly protrude from the bottom plate portion 4A of the base portion 4, and one lanced section 32B that relatively largely protrudes from the bottom plate portion 4A of the base portion 4, has a V-shaped lateral cross-section, and surround the untwisted portion 106.
  • a pair of single wires 102 of the untwisted portion 106 is disposed to be parallel to each other and get close or contact to each other between each lanced section 32A and the lanced section 32B. Most part of the periphery or almost whole range in the length direction of the untwisted portion 106 is covered by the lanced section 32B.
  • the electrical connector 31 according to the third embodiment of the invention that is configured as above, it is possible to obtain almost similar effects to those from the electrical connector 1 or 21 according to the first or the second embodiment of the invention.
  • the electrical connector 31 of the third embodiment of the invention similarly to the electrical connector 32 of the second embodiment of the invention, since it is not necessary to provide a cable cover member in case of the first embodiment and a pressing section to press the cable cover member, it is possible to reduce manufacturing cost, etc.
  • FIG. 12 shows the electrical connector according to the fourth embodiment of the invention, which is in the middle of connecting a shielded twisted pair cable.
  • the same reference numerals are used for the same element as those in the first embodiment, and the explanation will be omitted.
  • the electrical connector 41 is made of a conductive material and includes a cable cover member 42 having a lateral cross-section of a squared bottomed U-shape, which includes a ceiling plate section 42A and side plate portions 42B and 42C that are provided on two sides of the ceiling plate section 42 in the width direction. Any of the ceiling plate section 42A and the side plate portions 42B and 42C of the cable cover member 42 continuously extend from a basal end portion of the base portion 4 up to right before the connector main body 2. In addition, there is provided a projecting section 42D on the front end side of the ceiling plate section 42A.
  • a plurality of protrusions 42E are formed at a lower end portion of the side plate portions 42B and 42C of the cable cover member 42, and holes 43 are formed on the bottom plate portion 4A of the base portion 4 to fit the protrusions 42E therein.
  • a pair of single wires 102 of the untwisted portion 106 is disposed so as to be parallel to each other and get close or contact to each other, a cable cover member 42 is placed thereover from thereabove, and each protrusion 42E of the cable cover member 42 is fitted in each hole 43 of the base portion 4. With the operation, the whole circumference and the almost whole range in the length direction of the untwisted portion 106 is covered by a conductive material.
  • the electrical connector 41 according to the fourth embodiment of the invention configured as described above, it is possible to obtain almost similar effects to those from the electrical connector 1, 21, or 31 according to the first, the second, or the third embodiment of the invention.
  • the electrical connector 41 of the fourth embodiment of the invention since it is possible to more securely cover whole circumference and almost the whole range in the length direction of each untwisted portion 106 by a conductive material, it is possible to effectively reduce the impedance and effectively control reduction of the noise performances.
  • FIG. 13 shows an electrical connector according to the fifth embodiment of the invention, which is in the middle of connecting the shielded twisted pair cable.
  • the same reference numerals are used for the same elements as those in the electrical connector 1 according to the first embodiment, and the explanation will be omitted.
  • the electrical connector 51 according to the fifth embodiment of the invention shown in Fig. 13 has a structure formed to cover each untwisted portion 106 at the shell cover portion 52. More specifically, the basal end side of the cover plate section 52A of the shell cover portion 52 is bent so as to get close to the bottom plate portion 4A of the base portion 4, and the inner face on the basal end side of the cover plate section 52A gets close or contacts to an upper part of each untwisted portion 106 disposed on the base portion 4 and cover the upper part of the untwisted portion 106.
  • a plurality of lanced sections 53 which are formed by cutting and bending upward a bottom plate portion 4A of the base portion 4
  • a plurality of lanced sections 54 which are formed by cutting and bending downward the cover plate section 52A of the shell cover portion 52 engage to each other, so as to cover one side face of the untwisted portion 106.
  • the electrical connector 51 according to the fifth embodiment of the invention configured as above, it is possible to obtain almost similar effects to those of the electrical connector 1, 21, 31, or 41 according to the first, the second, the third, or the fourth embodiment.
  • the electrical connector 51 of the fourth embodiment of the invention since it is not necessary to provide a cable cover member as in the first or the fourth embodiment by forming a structure to cover each untwisted portion 106 at the shell cover portion 52, it is possible to reduce the number of members that compose the electrical connector 51 and thereby reduce the manufacturing cost, etc.
  • FIG. 14 shows an electrical connector according to the sixth embodiment of the invention, which is in the middle of connecting the shielded twisted pair cable.
  • the same reference numerals are used for the same elements as those in the electrical connector 1 according to the first embodiment, and the explanation will be omitted.
  • the electrical connector 61 according to the sixth embodiment of the invention shown in Fig. 14 includes a intermediate plate section 64 so as to have a two-story structure in the vertical direction, so that it is possible not only to attach a plurality of paired wires in the lateral direction, but also to attach a plurality of paired wires in the vertical direction, i.e. it is possible to obtain a structure that can attach a number of paired wires.
  • the intermediate plate section 64 is formed of a conductive material to have a plurality of lanced sections 65, and holds each untwisted portion 106 by clamping with the respective lanced sections 65 on the intermediate plate section 64.
  • the electrical connector 61 is configured so that cable cover portions 6 are attached to the intermediate plate section 64 for the number that corresponds to the number of paired wires disposed to the intermediate plate 64, so as to cover the whole circumference and the whole range in the length direction of each untwisted portion 106 disposed on the intermediate plate section 64.
  • the sixth embodiment of the invention having the above-described configuration, it is possible to similar effects to those of the electrical connector 1, 21, 31, 41, or 51 according to the first, the second, the third, the fourth, or the fifth embodiment.
  • the electrical connector 61 of the sixth embodiment of the invention it is possible to control increase of impedance and reduction of noise performances of many paired wires that are connected to the electrical connector 61.
  • the electrical connector 61 of the sixth embodiment of the invention it is possible to easily and securely connect many paired wires and the electrical connector 61.
  • Figs. 15 and 16 show an electrical connector according to the seventh embodiment of the invention.
  • Fig. 17 shows a base portion, a connector main body, and a cable holding portion, etc. of the electrical connector;
  • Fig. 18 shows the cable holding portion of the electrical connector;
  • Fig. 19 shows a lower face of the shell cover portion of the electrical connector.
  • the same reference numerals are used for the same elements as those in the electrical connector 1 according to the first embodiment, and the explanation will be omitted.
  • illustration of the shielded twisted pair cable is omitted in Figs. 15 through 19 .
  • the electrical connector 71 is an electrical connector to connect to an end portion of the shielded twisted pair cable 101 (see Figs. 8 and 9 ) having two twisted wire pairs.
  • the electrical connector 71 generally includes the connector main body 2, the shell member 72, and the cable fastening securing section 10.
  • the shell member 72 is a member to hold the connector main body 2 and an end portion of the shielded twisted pair cable 101. As shown in Fig. 16 , the shell member 72 includes a base portion 73, a cable holding portion 75, and a shell cover portion 87.
  • the base portion 73 is made of a conductive material such as copper alloy. As shown in Fig. 16 , the base portion 73 is formed to have a lateral cross-section of square-bottomed U shape that opens upward by bending two end portions of a quadrangle sheet metal, and has a bottom plate portion 73A that forms a bottom plate of the base portion 73, and a pair of side wall plate sections 73B and 73C that form lateral walls of the base portion 73.
  • the connector main body 2 is disposed between the side plate portion 73B and the side plate portion 73C on the bottom plate portion 73A that is provided on a front end side of the base portion 73.
  • the cable holding portion 75 is disposed on the bottom plate portion 73A that is provided on a basal end side of the base portion 73.
  • latching protrusions 73D are respectively formed on the side plate portions 73B and 73C of the base portion 73 to catch the connector main body 2 so as to secure the connector main body 2 to the base portion 73.
  • Each latching protrusion 73D engages with an engaging recess 2B formed on the side face of the connector main body 2.
  • Two latching holes 73E are formed on the side plate portion 73B and another two are formed on the side plate portion 73C. Each latching hole 73E engages with a latching protrusion 86 of the shell cover portion 87.
  • a latching mechanism to latch the cable holding portion 75 to the base portion 73 does not have to be the latching holes 73 and may be recesses. Alternatively, it is also possible to form protrusions on the side plate portions 73B and 73C and form holes or recesses on the cable holding portion 75. This would be similarly applied also to a latching mechanism to latch the shell cover portion 87 to the base portion 73 and a latching mechanism 73 to latch the connector main body 2 to the base portion 73.
  • the cable holding portion 75 is a member to hold each untwisted portion 106 of the shielded twisted pair cable 101 on a basal end side of the base portion 73 (see Fig. 9 ). As shown in Fig. 17 , the cable holding portion 75 is disposed between the side plate portions 73B and 73C on the bottom plate portion 73A of the base portion 73 on the basal end side of the base portion 73.
  • the cable holding portion 75 in the embodiment holds two untwisted portions 106 that respectively correspond to two wire pairs of the shielded twisted pair cable 101 while keeping them away from each other in the width direction of the base portion 4.
  • the cable holding portion 75 is made of the same conductive material as that of the base portion 73.
  • the cable holding portion 75 has a substrate section 76, a pair of lateral side wall sections 77 and 78, basal-end side wall sections 70 and 80 that are divided into two sections, two pairs of divided wall sections 81, 82, 83, and 84.
  • the substrate section 76, lateral side wall sections 77 and 78, basal end side wall sections 79 and 80, and separation wall portions 81, 82, 83, and 84 are formed, for example, by bending sheet material that is formed to have a specific shape.
  • the substrate section 76 is mounted on the bottom plate portion 73A of the base portion 73.
  • the lateral side wall sections 77 and 78 overlap with side plate portions 73B and 73C of the base portion 73 respectively, when the substrate section 76 is mounted on the bottom plate portion 73A of the base portion 73.
  • the basal end side wall sections 79 and 80 become a wall on the basal end side of the shell member 72 when the substrate section 76 is mounted on the bottom plate portion 73A of the base portion 73 and an insertion hole 85 becomes formed between the basal end side wall section 79 and the basal end side wall section 80 to insert an end section of the shielded twisted pair cable 101 therethrough.
  • a pair of dividing walls 81 and 82 rises from the bottom plate portion 73A of the base portion 73 and extends from a basal end side of the base portion 73 so as to reach the connector main body 2 or to a position that is close threreto while being parallel to each other.
  • the respective separation wall portions 81 and 82 extend upward so as to contact with or get close to a lower face of the cover plate section 88 of the shell cover portion 87 attached on the base portion 73.
  • a pair of single wires 102 of one untwisted portion 106 of the shielded twisted pair cable 101 is held between the separation wall portion 81 and the separation wall portion 82 while positioning the pair of single wires 102 to be parallel to each other and get close or contact to each other.
  • the distance between the separation wall portion 81 and the separation wall portion 82 (distance between the separation wall portions 81 and 82 where the separation wall portions extend being parallel to each other) is almost two times of diameter of the single wire 102 of the shielded twisted pair cable 101, and a pair of single wires 102 of one untwisted portion 106 of the shielded twisted pair cable 101 is set to just fit in between the separation wall portion 81 and the separation wall portion 82 while being positioned as described above.
  • the respective separation wall portions 81 and 82 have slope sections 81A and 82A, which are bent so as to be away from each other in the width direction and are sloped so as to have longer distance between the separation wall portion 81 and the separation wall portion 82, at an end section that faces front end side of the base portion 71.
  • the slope sections 81A and 82A it is possible to gradually flex each single wire 102 upon introducing a pair of single wires 102, which is attached to an attachment port 2A of the connector main body 2, from the attachment port 2A in between the separation wall portions 81 and 82, and it is possible to prevent application of large bending force to each single wire 102.
  • an end section of the separation wall portion 82 which faces the basal end side of the base portion 73, has a slope section 82B formed being bent to be away from the separation wall portion 81 in the width direction and being sloped to get close to a center part in the width direction on the basal end side of the base portion 73.
  • the slope section 82B it is possible to gradually flex each single wire 102 upon introducing a pair of single wires 102, which is held between the separation wall portions 81 and 82, to the insertion hole 85, and it is possible to prevent application of large bending force to each single wire 102.
  • a pair of separation wall portions 83 and 84 is also formed similarly to the separation wall portions 81 and 82.
  • a pair of single wires 102 of the other untwisted portion 106 of the shielded twisted pair cable 101 is held between the separation wall portion 83 and the separation wall portion 84 while the pair of single wires 102 is positioned so as to be parallel to each other and get close or contact to each other.
  • the separation wall portions 83 and 84 also have slope sections 83A, 84A, and 84B that are formed similarly to the slope sections 81A, 82A, and 82B of the separation wall portions 81 and 82.
  • the lateral side wall sections 77 and 78 have latching protrusions 86 that are formed to position the cable holding portion 75 on the bottom plate portion 73A of the base portion 73 and to latch and secure the cable holding portion 75 to the base portion 73.
  • Two latching protrusions 86 are formed on the lateral side wall section 77 and another two are formed on the lateral side wall section 78 so as to correspond to the latching holes 73E formed on the side plate portions 73B and 73C of the base portion 73.
  • the latching protrusions 86 respectively engage to the latching holes 73.
  • the shell cover portion 87 is a member to fully cover the connector main body 2 and an end portion of the shielded twisted pair cable 101, which are disposed on the base portion 73, from thereabove.
  • the shell cover portion 87 is provided on the base portion 73 so as to position the connector main body 2, the cable holding portion 75, and an end portion of the shielded twisted pair cable 101 including each untwisted section 106 between the shell cover 87 and the base portion 73.
  • the shell cover portion 87 has a flat cover plate section 88, which is made of, for example, the same conductive material as that of the base portion 73.
  • the base portion 73 is fully covered by the cover plate section 88.
  • the spaces between the separation wall portions 81 and 82 and between the separation wall portions 83 and 84 of the cable holding portion 75 provided on the bottom plate portion 73A of the base portion 73 are also fully covered by the cover plate section 88 from thereabove.
  • support sections 89 which protrude downward, are respectively provided on both sides of the cover plate section 88 in the width direction.
  • Each support section 89 is formed by bending a sheet material that forms the cover plate section 88.
  • each support section 89 has a latching protrusion 90 formed.
  • a pair of projecting sections 91 is formed on a front end side of the cover plate section 88.
  • each projecting section 91 into a groove section (not illustrated) formed on the connector main body 2 secured on the base portion 73 and engaging each latching protrusion 90 to latching hole 73F formed on the side plate portions 73B and 73C of the base portion 73, it is possible to secure the shell cover portion 87 to the base portion 73.
  • a projecting section 92 formed on a basal end side of the cover plate section 88.
  • the shell cover portion 87 has a pair of inner lid sections 93 and 94.
  • Each inner lid section 93 and 94 is made of, for example, the same conductive material as that of the cover plate section 88, and disposed on a lower face of the cover plate section 88.
  • each inner lid section 93 or 94 is formed by bending a sheet material that forms the cover plate section 88 and then making face-contact to a joining section 95 formed at a front end portion of the inner lid sections 93 and 94 onto a lower surface of the cover plate section 88.
  • the inner lid section 93 is disposed to positions that correspond to the separation wall portions 81 and 82 of the cable holding portion 75 disposed on the bottom plate portion 73A of the base portion 73, and the inner lid section 94 is provided at positions that correspond to the separation wall portions 83 and 84 of the cable holding portion 75 disposed on the bottom plate portion 73A of the base portion 73.
  • the inner lid section 93 has a cover face 93A that protrudes downward from a lower face of the cover plate section 88 and extends parallel to the lower face of the cover plate section 88 at a position being away from the lower face of the cover plate section 88. As shown in Fig. 15 , upon attaching the shell cover portion 87 onto the base portion 73, the inner lid section 93 goes inside between the separation wall portions 81 and 82, and fully covers the untwisted portion 106 held between the separation wall portions 81 and 82 inside between the separation wall portions 81 and 82 of the cover face 93A.
  • the inner lid section 93 extends from the basal end section of the base portion 73 to a position reaching or getting close to the connector main body 2.
  • an end face 93C of the basal end section of the inner lid section 93 is almost the same face as an outer face on the basal end side of the basal end side wall sections 79 and 80 that form the wall on the basal end side of the shell member 72.
  • the width dimension of the inner lid section 93 is almost the same as that between the separation wall portion 81 and the separation wall portion 82. With the configuration, almost whole part of the untwisted portion 106 held between the separation wall portions 81 and 82 is fully covered by the inner lid section 93 in the length direction and also in the circumferential direction.
  • the inner lid section 93 has a fixed-fixed beam structure in which only two parts, i.e. the frontal end portion and a basal end portion, are supported by a lower face of the cover plate section 88. With the configuration, it is possible to apply a suitable amount of pressing force to the untwisted portion 106 held between the separation wall portions 81 and 82 from thereabove by the inner lid section 93, and it is possible to press the untwisted portion 106 thereto while being positioned as described above.
  • the inner lid section 93 has a slope section 93B formed at an end portion that faces a front end side of the base portion 73, which is sloped so as to gradually get close to a lower face of the cover plate section 88 towards the front end side of the cover plate section 88.
  • the slope section 93B it is possible to prevent application of excess pressing force from thereabove to each single wire 102 guided from the attachment port 2A of the connector main body 2 to between the separation wall portions 81 and 82.
  • the inner lid section 94 is formed similarly to the inner lid section 93. As shown in Fig. 15 , when the shell cover portion 87 is attached onto the base portion 73, the inner lid section 94 goes inside between the separation wall portions 83 and 84, and fully covers almost whole of the untwisted portion 106 in the length direction and also in the circumferential direction, which is held between the separation wall portions 83 and 84, inside between the separation wall portions 81 and 82 of the cover face 93A.
  • the inner lid section 94 has a fixed-fixed beam structure similarly to the inner lid section 93, and thereby it is possible to apply a suitable amount of pressing force by elastic force to the untwisted portion 106 held between the separation wall portions 83 and 84 from thereabove by the inner lid section 94, and it is possible to press the untwisted portion 106 thereto while being positioned as described above.
  • the inner lid section 94 has a slope section 94B similarly to the slope section 93B of the inner lid section 93, and thereby it is possible to prevent application of excess pressing force to each single wire 102 guided from the attachment port 2A of the connector main body 2 to between the separation wall portions 83 and 84.
  • a method of connecting the electrical connector 71 configured as described above to an end portion of the shielded twisted pair cable 101 is as follows. As shown in Fig. 9 , an insulating shield 105 is removed at an end portion of the shielded twisted pair cable 101 and the conductive shield 104 is folded outside and each conductive coating film 107 is removed. Then, two pairs of single wires 102 are respectively untwisted, and the insulator 102B is removed at an end portion of each single wire 102 so as to expose the end portion of the conductor 102A.
  • the cable holding portion 75 is attached to a basal end side of the base portion 73. With the procedure, the cable holding portion 75 and the base portion 73 are electrically connected. Subsequently, the connector main body 2 is attached to a front end side of the base portion 73 and two untwisted portions 106 of the shielded twisted pair cable 101 attached to the connector main body 2 are respectively disposed between the separation wall portions 81 and 82 and between the separation wall portions 83 and 84, and are positioned so that a pair of single wires 102 of each untwisted portion 106 is parallel to each other and contacts or gets close to each other and organized.
  • the shell cover portion 87 is attached onto the base portion 73.
  • the inner lid section 93 goes in between the separation wall portions 81 and 82, and fully covers one untwisted portion 106 disposed between the separation wall portions 81 and 82 from thereabove and presses thereto.
  • the inner lid section 94 goes in between the separation wall portions 83 and 84 and fully covers the other untwisted portion 106 disposed between the separation wall portions 83 and 84 from thereabove and presses thereto.
  • the cover plate section 88 fully covers the connector main body 2, the cable holding portion 75, and an end of the shielded twisted pair cable 101 from thereabove.
  • the shell cover portion 87 and the base portion are electrically connected.
  • the shielded twisted pair cable 101 is fastened to be secured onto the cable fastening securing section 10.
  • the conductive shield 104 and the cable fastening securing section 10 are electrically connected.
  • the conductive shield 104 and the base portion 73 are electrically connected.
  • the electrical connector 71 of the seventh embodiment it is possible to fully cover the whole of each untwisted portion 106 of the shielded twisted pair cable 101 in the length direction and the circumferential direction by the separation wall portions 81, 82, 83, and 84 of the cable holding portion 75, the substrate section 76 of the cable holding portion 75, and the inner lid sections 93 and 94 of the shell cover portion 87, any of which is made of a conductive material.
  • each untwisted portion 106 is formed from the outer circumferential side by the side plate portions 73B and 73C, the bottom plate portion 73A of the base portion 73, and the cover plate section 88 of the shell cover portion 87, any of which is made of a conductive material.
  • each untwisted portion 106 since it is possible to fully cover the whole of each untwisted portion 106 doubly by a conductive material, it is possible to significantly enhance the shielding performance of each untwisted portion 106. Therefore, it is possible to reduce impedance at each untwisted portion 106 and it is possible to securely match impedance between circuits or devices that are connected via the electrical connector 71 and the shielded twisted pair cable 101.
  • the electrical connector 71 of the seventh embodiment it is possible to form the cable holding portion 75 as a single member having the substrate section 76 and the separation wall portions 81, 82, 83, and 84, and thereby improve the assembling work efficiency of the electrical connector 71.
  • the aforementioned first through fifth and the seventh embodiments describe the electrical connectors 1, 21, 31, 41, 51, and 71 to connect to the shielded twisted pair cable 101 having two sets of paired wires as an example.
  • the invention is not limited to those and is applicable to an electrical connector to connect to a shielded twisted pair cable having one set or at least three sets of paired wires.
  • the electrical connectors 1, 21, 31, 41, 51, 61, and 71 to connect to a shielded twisted pair cable 101 are described as an example, but the invention is not limited to those and also applicable to an electrical connector to connect to an unshielded twisted pair cable.
  • the aforementioned first through the sixth embodiments describe a case of continuously covering almost whole of the untwisted portion 106 in the length direction by a conductive member, such as a lanced section and cable cover member. It is preferred to continuously cover almost whole untwisted portion 106 in the length direction since it is possible to enhance the effect of controlling reduction of the noise performance. However, it is also possible to obtain some effects also by a configuration that intermittently covers a part or almost whole of the untwisted portion 106 in the length direction, and it is possible to apply such configuration depending on uses of the electrical connector.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (15)

  1. Un connecteur électrique (1 ; 21 ; 41 ; 61) pour câble à paires torsadées (101) comprenant :
    une partie de corps principale du connecteur (2) ;
    un élément d'enveloppe (3) fixé à la partie de corps principale du connecteur (2), ledit élément d'enveloppe (3) comprenant
    une partie de base (4 ; 63),
    une partie de support de câble (7), et
    une partie de couvercle d'enveloppe (8), ladite partie de base (4 ; 63) présentant une partie d'extrémité avant sur un côté de la partie de corps principale du connecteur et une partie d'extrémité inférieure, ladite partie de couvercle d'enveloppe (8) étant disposée en face de la partie de base (4 ; 63) en direction de la partie de corps principale du connecteur (2), et la partie de support de câble (7) étant située entre la partie de base (4; 63) et la partie de couvercle d'enveloppe (8),
    caractérisé en ce que
    le connecteur électrique (1 ; 21 ; 41 ; 61) comprend en outre
    une section de sécurisation de fixation de câble (10) ; et
    un élément de couverture de câble (6 ; 42) et / ou des sections percées (5 ; 22 ; 65), étant précisé que
    la partie de base (4), les sections percées (5 ; 22 ; 65) et l'élément de couverture de câble (6) ou la partie de base (4) et l'élément de couverture de câble (42) sont disposés, en cours d'utilisation, sur une section blindée fermée dans la direction circonférentielle ; étant précisé que
    la section de sécurisation de fixation de câble (10) est connectée de façon électriquement conductrice à la partie de base (4 ; 63) et à l'élément de couverture de câble (6 ; 42) et / ou les sections percées blindées (5 ; 22 ; 65) et à la partie de couvercle d'enveloppe (8) ; étant précisé que
    la section de sécurisation de fixation de câble (10), la partie de base (4 ; 63), l'élément de couverture de câble (6 ; 42), les sections percées blindées (5 ; 22 ; 65), la partie de couvercle d'enveloppe (8) et la partie de base (4; 63) se composent d'un matériau électriquement conducteur.
  2. Un connecteur électrique (51) pour câble à paires torsadées (101) comprenant :
    une partie de corps principale du connecteur (2) ;
    un élément d'enveloppe (3) fixé à la partie de corps principale du connecteur (2), ledit élément d'enveloppe (3) comprenant
    une partie de base (4 ; 63),
    une partie de support de câble (7), et
    une partie de couvercle d'enveloppe (52), ladite partie de base (4 ; 63) présentant une partie d'extrémité avant sur un côté de la partie de corps principale du connecteur et une partie d'extrémité inférieure, ladite partie de couvercle d'enveloppe (52) étant disposée en face de la partie de base (4 ; 63) en direction de la partie de corps principale du connecteur (2), et la partie de support de câble (7) étant située entre la partie de base (4 ; 63) et la partie de couvercle d'enveloppe (52),
    caractérisé en ce que
    le connecteur électrique (51) comprend en outre
    une section de sécurisation de fixation de câble (10) ; et
    une section de plaque de recouvrement (52A) faisant partie de la partie de couvercle d'enveloppe (52), étant précisé que la partie de base (4), les sections percées (53) et l'élément de couverture de câble (52) sont disposés, en cours d'utilisation, sur une section blindée fermée dans la direction circonférentielle ; étant précisé que
    la section de sécurisation de fixation de câble (10) est connectée de façon électriquement conductrice à la partie de base (4 ; 63) et à la section de plaque de recouvrement (52A) et à la partie de couvercle d'enveloppe (52) ; étant précisé que
    la section de sécurisation de fixation de câble (10), la partie de base (4 ; 63), l'élément de couverture de câble (52) et la partie de base (4 ; 63) se composent d'un matériau électriquement conducteur.
  3. Un connecteur électrique (71) pour câble à paires torsadées (101) comprenant :
    une partie de corps principale du connecteur (2) ;
    un élément d'enveloppe (72) fixé à la partie de corps principale du connecteur (2), ledit élément d'enveloppe (72) comprenant
    une partie de base (73),
    une partie de support de câble (75), et
    une partie de couvercle d'enveloppe (87), ladite partie de base (73) présentant une partie d'extrémité avant sur un côté de la partie de corps principale du connecteur et une partie de base, ladite partie de support de câble (75), ladite partie de couvercle d'enveloppe (87) étant disposées en face de la partie de base (73) en direction de la partie de corps principale du connecteur (2),
    caractérisé en ce que
    le connecteur électrique (71) comprend en outre une section de sécurisation de fixation de câble (10) ; et
    des sections de parois compartimentées (81, 82, 83, 84) et des sections de couvercle (93, 94) étant précisé que
    la section de sécurisation de fixation de câble (10) est connectée de façon électriquement conductrice à la partie de base (73), à la partie de couvercle d'enveloppe (87), aux sections de parois compartimentées (81, 82, 83, 84) et aux sections de couvercle (93, 94) ; étant précisé que
    la section de sécurisation de fixation de câble (10), la partie de base (73), la partie de couvercle d'enveloppe (87), les sections de parois compartimentées (81, 82, 83, 84) et les sections de couvercle (93, 94) se composent d'un matériau électriquement conducteur.
  4. Le connecteur électrique (1 ; 21 ; 41 ; 51 ; 61 ; 71) pour câble à paires torsadées (101) conformément à l'une quelconque des Revendications 1 à 3, étant précisé que ladite partie de support de câble (7 ; 75) est disposée de sorte à couvrir collectivement une section ou une portion entière de circonférences de fils individuels (102).
  5. Le connecteur électrique (1 ; 21 ; 41 ; 51 ; 61 ; 71) pour câble à paires torsadées (101) conformément à l'une quelconque des Revendications 1 à 4, étant précisé que ladite partie de support de câble (7 ; 75) est disposée de sorte à couvrir continuellement les fils individuels (102) depuis la partie d'extrémité inférieure jusqu'à la partie de corps principale du connecteur (2) ou à proximité de la partie de corps principale du connecteur (2).
  6. Le connecteur électrique (1 ; 21 ; 41 ; 51 ; 61) pour câble à paires torsadées (101) conformément à la Revendication 1,
    étant précisé que ladite partie de base (4 ; 63) comprend au moins une paire de sections percées (5 ; 22 ; 65) à la partie d'extrémité inférieure des deux côtés de la section non torsadée (106) pour le positionnement des fils individuels (102) sur la partie de base (4 ; 63), ledit élément conducteur étant disposé de sorte à former un pont entre les sections percées (5 ; 65).
  7. Le connecteur électrique (1 ; 21 ; 41 ; 51 ; 61) pour câble à paires torsadées (101) conformément à l'une quelconque des Revendications 1 ou 4 à 6, étant précisé que ladite partie de couvercle d'enveloppe (8) comprend un élément de pression (8B) pour presser l'élément conducteur entre la partie de couvercle d'enveloppe (8) et la partie de base (4).
  8. Le connecteur électrique (1 ; 21 ; 41 ; 51 ; 61 ; 71) pour câble à paires torsadées (101) conformément à l'une quelconque des Revendications 1 à 7, étant précisé que ladite partie de support de câble (7) se compose d'une partie courbée coupée dans la partie de base (4 ; 63 ; 73).
  9. Le connecteur électrique (1 ; 21 ; 41 ; 51 ; 61 ; 71) pour câble à paires torsadées (101) conformément à l'une quelconque des Revendications 1 à 8, étant précisé que ladite partie de support de câble (7 ; 75) est disposée à une pluralité d'endroits.
  10. Le connecteur électrique (71) pour câble à paires torsadées (101) conformément à l'une quelconque des Revendications 3, 4, 5, 8 ou 9, étant précisé que
    ladite partie de support de câble (75) comprend une partie de substrat (76) disposée sur la partie plate de base (73A), lesdites sections de parois compartimentées (81, 82, 83, 84) étant disposées sur la partie de substrat (76).
  11. Le connecteur électrique (1 ; 21 ; 41 ; 51 ; 61 ; 71) pour câble à paires torsadées (101) conformément à l'une quelconque des Revendications 3, 4, 5, 8, 9 ou 10, étant précisé que ladite partie de support de câble (75) comprend des becs d'encliquetage (86) pour encliquer la partie de base (73) et positionner la partie plate de base (73A) et les sections de parois compartimentées (81, 82, 83, 84) sur la partie plate inférieure (4A ; 73A).
  12. Le connecteur électrique (71) pour câble à paires torsadées (101) conformément à l'une quelconque des Revendications 3, 4, 5, 8, 9, 10 ou 11, étant précisé que ladite partie de couvercle d'enveloppe (87) comprend des sections de couvercle internes (93, 94) disposées à des positions qui correspondent aux sections de parois compartimentées (81, 82, 83, 84) et disposées entre les sections de parois compartimentées (81, 82, 83, 84) afin de recouvrir les sections non torsadées (106).
  13. Le connecteur électrique (71) pour câble à paires torsadées (101) conformément à l'une quelconque des Revendications 3, 4, 5, 8, 9, 10, 11 ou 12, étant précisé que ladite paire de sections de parois compartimentées (81, 82, 83, 84) est disposée à une pluralité d'endroits.
  14. Le connecteur électrique (1 ; 21 ; 41 ; 51 ; 61 ; 71) pour câble à paires torsadées (101) conformément à l'une quelconque des Revendications 1 à 13, étant précisé que la section de sécurisation de fixation de câble (10) est disposée à la partie d'extrémité inférieure afin de connecter électriquement le blindage connecteur (104 ; 107) du câble à paires torsadées blindé (101) à la partie de base (4 ; 63 ; 73).
  15. Un procédé de connexion d'un câble à paires torsadées blindé (101) à un connecteur électrique conformément à l'une quelconque des Revendications 1 à 14 (1 ; 21 ; 41 ; 51 ; 61 ; 71) pour un câble à paires torsadées blindé (101), comprenant les étapes consistant à :
    détorsader une paire de fils individuels (102) du câble à paires torsadées blindé (101) afin de former une section non torsadée ;
    attacher une extrémité des fils individuels (102) à un corps principal (2) du connecteur électrique ;
    disposer les fils individuels (102) parallèlement les uns aux autres sur la partie de base (4 ; 63 ; 73) d'un élément d'enveloppe (3) attaché au corps principal du connecteur (2) sur une partie d'extrémité inférieure de la partie de base de telle sorte que les fils individuels soient attenants ou en contact les uns avec les autres ;
    maintenir les fils individuels (102) avec la partie de support de câble (7 ; 22 ; 32A ; 32B ; 42A ; 52A ; 75) sur la partie d'extrémité inférieure.
    recouvrir au moins une section supérieure de la section non torsadée (106) avec ladite partie de support de câble (7 ; 22 ; 32A ; 32B ; 42A ; 52A ; 75) et
    fixer une partie de couvercle d'enveloppe (8 ; 87) à la partie de base (4 ; 63 ; 73) de sorte qu'au moins la section non torsadée (106) et la partie de support de câble (7 ; 22 ; 32A ; 32B ; 42A ; 52A ; 75) soient situées entre la partie de base (4 ; 63 ; 73) et la partie de couvercle d'enveloppe (8 ; 52 ; 87)
EP11004663.8A 2010-06-08 2011-06-08 Connecteur électrique et procédé de connexion de câble à paire torsadée au connecteur électrique Active EP2395606B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010131282A JP5364042B2 (ja) 2010-06-08 2010-06-08 照明器具
JP2010220633A JP5066243B2 (ja) 2010-06-08 2010-09-30 電気コネクタ、およびツイストペアケーブルと電気コネクタとの接続方法

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JP6422825B2 (ja) * 2015-06-01 2018-11-14 日本航空電子工業株式会社 コネクタ
JP6455361B2 (ja) 2015-08-20 2019-01-23 株式会社オートネットワーク技術研究所 通信用コネクタ及び電線付き通信用コネクタ
JP6663814B2 (ja) * 2016-07-21 2020-03-13 日本航空電子工業株式会社 コネクタ及びワイヤハーネス
US10790619B2 (en) * 2018-07-12 2020-09-29 Cinch Connectors, Inc. Shielded cable system for the shielding and protection against emi-leakage and impedance control
JP7391687B2 (ja) 2020-01-30 2023-12-05 タイコエレクトロニクスジャパン合同会社 接続モジュールおよびケーブル組立体

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JPS60121277U (ja) * 1984-01-23 1985-08-15 ヒロセ電機株式会社 カバ−ケ−スを有する電気コネクタ
US5244415A (en) * 1992-02-07 1993-09-14 Harbor Electronics, Inc. Shielded electrical connector and cable
JP2006054102A (ja) * 2004-08-11 2006-02-23 Jst Mfg Co Ltd コネクタ及びケーブル保持部材
JP4879035B2 (ja) * 2007-01-29 2012-02-15 ホシデン株式会社 コネクタ
US7906730B2 (en) * 2008-09-29 2011-03-15 Amphenol Corporation Ground sleeve having improved impedance control and high frequency performance
JP4699537B2 (ja) 2009-02-25 2011-06-15 精宏機械株式会社 炊飯装置

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