EP2417673B1 - Electrical plug-in connector - Google Patents

Electrical plug-in connector Download PDF

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Publication number
EP2417673B1
EP2417673B1 EP10715676.2A EP10715676A EP2417673B1 EP 2417673 B1 EP2417673 B1 EP 2417673B1 EP 10715676 A EP10715676 A EP 10715676A EP 2417673 B1 EP2417673 B1 EP 2417673B1
Authority
EP
European Patent Office
Prior art keywords
contact carrier
sleeve
contact
contact elements
cores
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
EP10715676.2A
Other languages
German (de)
French (fr)
Other versions
EP2417673A2 (en
Inventor
Valeri Reimchen
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
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 to DE102009016706 priority Critical
Priority to DE102009021594.8A priority patent/DE102009021594B4/en
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Priority to PCT/EP2010/001786 priority patent/WO2010115514A2/en
Publication of EP2417673A2 publication Critical patent/EP2417673A2/en
Application granted granted Critical
Publication of EP2417673B1 publication Critical patent/EP2417673B1/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/622Screw-ring or screw-casing
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646Details 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
    • H01R13/6461Means for preventing cross-talk
    • H01R13/6471Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646Details 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
    • H01R13/6473Impedance matching
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49174Assembling terminal to elongated conductor

Description

  • The invention relates to an electrical connector for releasably connecting a multi-core cable with a mating connector, with a handle body surrounding the cable or the wires of the cable, with a contact carrier receiving and holding a plurality of contact elements and with a rotatably arranged sleeve-shaped threaded part, wherein the individual contact elements are electrically conductively connected to the individual wires and wherein the sleeve-shaped threaded part with a corresponding sleeve-shaped threaded portion of the mating connector is screwed, according to the preamble of claim 1. Such a connector is from the GB 528 824 A known. Finally, the invention also relates to a method for connecting the wires of a multi-core cable to an electrical connector.
  • Electrical connectors consist essentially of two parts, the electrical connector and the mating connector. Both the connector and the mating connector each have a contact carrier with a plurality of contacts, which are either contact pins or corresponding contact sockets. Depending on whether the contact pins or the contact sockets are arranged in the respective contact carrier, the associated connecting part is also referred to as a plug or socket. In practice, it is usually the case that the connector whose contact carrier has the contact pins, ie the plug, a cap screw with an external thread as a sleeve-shaped threaded portion and the connector in the contact carrier, the contact sockets are arranged, ie the socket, an outer sleeve with a Internal thread has. If two cables are connected to one another with the plug connection, then the outer sleeve of the bushing is designed as a kind of union nut.
  • Such electrical connectors or connectors are used as industrial plugs in automation technology both in cabinets and field devices in different embodiments. The types M8 and M12 with 4, 5, 6 or even 8 contacts have found widespread use. The connectors are used to connect connection cables with a corresponding number of cores, whereby the individual cores each consist of a conductor and a core insulation surrounding the conductor and are jointly surrounded by a cable insulation. Instead of a solid conductor, the wires can also have multiple strands, which follow - without limitation thereto-always only ladders is mentioned; this should therefore always include strands.
  • Electrical connectors can be either ready to assemble or ready wired, in which case the contact carrier and the cable are usually encapsulated by the handle body. In this case, the handle body itself can be made by molding the contact carrier.
  • In the case of a connector which can not be freely assembled by the consumer, the electrical and mechanical connection of the individual wires or conductors of a cable to the individual contact elements takes place in particular by means of a solder connection or by a crimp connection. In the crimp termination technique, the stripped end of a wire is inserted axially into a corresponding ferrule (crimp barrel) or sleeve-shaped end portion of the contact element and then electrically and mechanically connected to the crimp barrel or contact element by mechanical compression of the crimp barrel or sleeve-shaped end portion. By crimping standardized in DIN EN 60352-2 a solderless electrical connection is made, wherein the crimped connection can be made both by Handcrimpwerkzeuge and by means of semi or fully automatic crimping machines. The stripping of the wires and the crimping of the contact elements can be carried out by machine in one operation, so that the crimping technique has largely superseded the soldering in the background.
  • Electrical connectors are interfaces that transmit electrical signals or power, the connectors or connectors need to feel different requirements depending on the application. In the case of connectors used in signal and data technology, in particular in the case of connectors which are used within networks and fieldbuses, In accordance with the data transmission rate of the respective network or field bus, certain high-frequency boundary conditions must be taken into account in order to ensure a faultless transmission of the signals and data.
  • If connectors or plug-in connections for signal and data technology are used not only in office buildings but also in harsh industrial environments, the plug connectors or plug connections must be correspondingly more robust and have the highest possible degree of protection, preferably IP67. For this reason, commercially available RJ45 connectors, as they are known from the office communication sector, in the industrial sector, only limited use. Therefore, protective housing, so-called Tüllengehäuse, have been developed that can accommodate an already connected to a cable RJ45 plug and thereby protect the plug against external influences and damage. A corresponding protective housing is for example from the DE 100 31 341 C2 known.
  • In order to be able to use the M12 connectors, which are widely used in the industrial sector, and which have sufficient mechanical robustness and protection class, also in the area of signal and data technology, in particular for networks and field buses - and in particular also for Ethernet applications their internal structure are modified so that the requirements for data transmission can be met. In particular, at higher transmission rates while connectors with a larger number of contacts, especially with eight contacts required. Increases the number of contacts, it leads - with otherwise constant diameter of the connector - due to the small dimensions to a more complex installation of the connector and a more complex connection of the individual wires to the individual contact elements.
  • The present invention is therefore the object of further developing an electrical connector described above to the effect that the assembly of the connector, in particular the mounting of the contact elements in the contact carrier is easier. In addition, the invention has for its object to provide an electrical connector that is particularly well suited for the signal and data transmission in the harsh industrial environment with a compact design possible.
  • The above object is achieved by an electrical connector according to claim 1.
  • The inventive design of the contact carrier, the insertion of the contact elements in the contact carrier is much easier. By forming the outwardly open grooves instead of the otherwise formed in contact carriers, extending over the entire length of the contact carrier through holes, a contact element with its end facing away from the connected conductor can be simply inserted through the through hole in the end face of the contact carrier, wherein the contact element when passing through the through hole may have an angle to the longitudinal axis of the contact carrier greater than zero. The free end of the contact element can thus be pushed "obliquely from the side" through the through hole and only then be pivoted into the corresponding groove.
  • This procedure simplifies the insertion of the already connected to the wires contact elements in the contact carrier considerably. On the one hand, the free ends of the contact elements need only be pushed through the through holes formed in the end face of the contact carrier, whose length is substantially less than the total length of the contact carrier. On the other hand, the possibility of inserting the contact elements "obliquely from the side" facilitates the assembly of a plurality of contact elements in a compact connector.
  • US 2008/0287000 A1 shows an opening with funnel-shaped portion, wherein the inner diameter of the funnel-shaped portion to the counterpart connector facing side decreases.
  • According to the invention, the through-holes in the end face of the contact carrier are funnel-shaped, with the inner diameter of the through-holes increasing from the side facing the grooves to the side facing the mating connector. The funnel-shaped formation of the through holes facilitates the inclination of the contact elements when inserted into the through holes. The insertion and pivoting of the contact elements is further facilitated if the funnel shape of the through holes is aligned concentrically with the preferred insertion direction of the contact elements. In addition, the through holes may be formed so that they have at their narrowest point a slightly larger diameter than the ends of the contact elements durchzusteckenden.
  • The individual contact elements are guided in the electrical connector according to the invention only in a relatively small portion of their total length in a through hole, while the free end protrudes from the through hole and the wires facing the end is arranged in the mounted state in the outwardly open groove. As a result, the axial alignment of the contact elements is less well secured than in conventional contact carriers, in which the length of the through holes corresponds to the length of the contact carrier. In order to better ensure the axial alignment of the contact elements in the contact carrier, it is therefore preferably provided that the through-holes are each surrounded by a collar on the front side of the contact carrier facing the mating connector. Thus, the collar does not interfere with the insertion of the free end of a contact element "obliquely from the side", the collar on the side facing the central axis of the connector side each have an interruption.
  • In order to better ensure the axial alignment of the contact elements in the contact carrier, and to prevent unwanted swinging out of the contact elements from the grooves, a constriction is preferably formed in the individual grooves, in which the contact elements can engage in the grooves during pivoting. If the contact elements have a section with an enlarged diameter corresponding to the grooves, for example a hollow end facing the wires, a latching between the constriction formed in the grooves and the section with increased diameter can be realized in a simple manner.
  • The above-described embodiment of the contact carrier according to the invention can in principle be used in all circular connectors. However, the inventive design of the contact carrier is particularly advantageous in such connectors, which have a larger number of contact elements, in particular for connectors that are used to connect cables with four wire pairs and thus have eight contact elements. In such a connector is provided according to a further advantageous embodiment of the invention, that the contact carrier consists of four contact carrier parts, each having a quarter-circle-shaped base. If the connector is provided for connecting four pairs of wires, then two grooves are formed in each contact carrier part and two through holes are correspondingly formed in the end side of each contact carrier part facing the mating connector. The two wires of a pair of wires, which are preferably twisted together, are thus connected to two contact elements, which are arranged after assembly in a contact carrier part.
  • Serves the electrical connector for connecting a cable signal and data technology, in particular for connecting a cable in which the twisted wire pairs, with a metallic shield are surrounded (FTP = Foiled Twisted Pair or PiMF = pair in metal foil), so has the electrical connector according to a further advantageous embodiment, in addition a cylindrical sleeve with a longitudinally extending sleeve, arranged within the sleeve cross-shaped shielding element. The four contact carrier parts are then arranged inside the cylindrical sleeve such that the individual contact carrier parts are separated from one another by the arms of the cross-shaped shielding element. As a result, a crosstalk from one pair of wires to another pair of wires can be largely prevented, for which purpose the sleeve and the shielding element are preferably made of metal. For simplified installation of the electrical connector while the sleeve and the shielding element are preferably formed integrally.
  • According to a preferred embodiment, the cross-shaped shielding element protrudes on the side facing the cable out of the sleeve, so that the metallic shields of the individual twisted pairs of wires (PiMF) can be attached to the protruding end of the Schirmungselements, whereby the shield between the individual pairs of wires further improved and thus further reducing the likelihood of crosstalk from one wire pair to another wire pair.
  • In order to further facilitate the positioning of the individual contact carrier parts within the sleeve, a stop for the contact carrier parts is preferably formed on the inner circumference of the sleeve. After inserting the contact elements in the individual contact carrier parts, these can thus be easily inserted into the chambers formed by the sleeve and the cross-shaped shielding element.
  • In an electrical connector consisting of a connector according to claim 1 and a mating connector, wherein the connector comprises a cable surrounding a handle body, a plurality of contact elements receiving and holding contact carrier and a rotatably mounted cap screw with an external thread and the mating connector an outer sleeve with a External thread of the cap screw corresponding internal thread and having a plurality of mating contact elements receiving or holding mating contact carrier, the suitability of the connector for the signal and data transmission, in particular for Ethernet applications is thereby improved in a simple manner that the mating contact elements of the mating connector a in the axial direction extending portion in which the outer diameter is reduced for impedance matching.
  • In order to ensure error-free data transmission in plug-in connections, in particular in those used in bus connections or networks with high data transmission rates, certain high-frequency boundary conditions must be taken into account. In addition to the lowest possible crosstalk between individual pairs of wires while reducing the return loss is of particular importance. The return loss (return loss) is essentially determined by the homogeneity of the characteristic impedance. Occurs in propagation direction of the electromagnetic wave an impedance jump, this leads to reflections that can be superimposed with the useful signals to be transmitted, so that it may be due to interference to the partial extinction of the useful signal to be transmitted.
  • Since in an electrical connector to be used in the industrial sector, in addition to the high-frequency boundary conditions other requirements, such as the highest possible protection class, sufficient compactness and high mechanical stability and ease of manufacture must be considered, it may happen that the contact elements of the connector in practice have a different differential longitudinal impedance than the mating contact elements of the mating connector.
  • A difference between the differential longitudinal impedance The contact elements of the connector and the differential longitudinal impedance of the mating contact elements of the mating connector can be largely reduced, that the mating contact elements have a region extending in the axial direction, in which the outer diameter - compared to the outer diameter in the other areas of the mating contact element - is reduced.
  • Thereby, an impedance matching of the mating contact elements to the contact elements is possible without other parameters of the connector, for example, the electrical conductivity of the contact elements and the mating contact elements or the decency of the contact elements and the mating contact elements to each other must be changed. Since the differential longitudinal impedance depends on the ratio of the diameter of a contact element or mating contact element to the center distance to adjacent contact elements or mating contact elements, the differential longitudinal impedance of the mating contact elements by changing the diameter of the mating contact elements can be adjusted so that the differential longitudinal impedance of the mating contact elements approximately a predetermined setpoint, for example, corresponds to 100 ohms.
  • According to one embodiment of the electrical plug connection, the counter contact elements facing the end of the contact elements pin-shaped and the contact elements facing the end of the mating contact elements is hollow, so that the pin-shaped ends of the contact elements can be inserted into the hollow ends of the mating contact elements. If the ends of the mating contact elements facing away from the contact elements are pin-shaped, the mating contact elements can simply be connected to a circuit board on the device side, for example by wave soldering.
  • In order to prevent crosstalk between individual wires or individual wire pairs in the mating connector in the mating connector, the mating contact carrier of the mating connector according to an embodiment of four mating contact carrier parts, each having a quarter-circle base, wherein in each mating contact carrier part at least one longitudinally extending bore for Recording a mating contact element is arranged. In such an embodiment of the mating contact carrier, the four mating contact carrier parts are arranged by an inside of the outer sleeve, Shielded in the longitudinal direction of the outer sleeve and the mating contact carrier extending cross-shaped shielding element against each other. The four contact carrier parts are partially connected to each other at their outer periphery, so that the cross-shaped shielding element in the assembled state of the mating connector in corresponding grooves formed between the individual mating contact carrier parts, is arranged.
  • According to a further embodiment of the electrical connector, in which both the mating connector and the connector has a cross-shaped shielding element, the individual arms of the cross-shaped Schirmungselements of the connector on the mating connector side facing each extending in the longitudinal direction of the connector extension and the individual arms the cross-shaped shielding element of the mating connector on the side facing the connector in each case one extending in the longitudinal direction of the mating connector corresponding counter-extension. The extensions and the counter-extensions are arranged and formed so that they overlap in the axial direction when the connector and the mating connector are connected together. By the axial "overlapping" of the cross-shaped shielding element of the connector with the cross-shaped shielding element of the mating connector crosstalk from one pair of wires to another pair of wires over the entire length of the electrical connector is effectively suppressed.
  • In addition to the electrical connector described above, the present invention also relates to a method for connecting the wires of a multi-core cable to an electrical connector, wherein the electrical Steckver-binder - as described above - a handle body, a contact carrier for receiving a plurality of contact elements and a rotatably arranged sleeve-like threaded portion. The contact carrier of the connector has a number of contact elements corresponding number of outwardly open, parallel to the longitudinal axis of the contact carrier extending grooves and in the wires facing away from the end face of the contact carrier, adjacent to the grooves, a corresponding number of through holes. In the method, the connection of each stripped wire is characterized by the following steps:
    • Connecting the individual stripped ends of the wires to the facing ends of the individual contact elements,
    • Passing through the through holes in the end face of the contact carrier, the contact elements facing away from the wires of the contact elements, wherein the contact elements have an angle to the longitudinal axis of the contact carrier greater than zero when passing through, and
    • Swiveling the contact elements in the grooves in the contact carrier, so that the contact elements and with them the wires are parallel to the longitudinal axis of the contact carrier.
  • Advantageously, the inventive method is in an electrical connector in which the wires facing the end of the contact elements is hollow, characterized by machine particularly easy to carry out that the individual stripped ends of the wires inserted into the hollow ends of the contact elements and by mechanical compression (crimping) the ends of the individual wires are electrically connected to the individual contact elements. For this purpose, a contact element inserted into the hollow end of the core can be inserted into the receptacle of a corresponding pressing jaw and then pressed together by depressing a counter-jaw, the contact element in the region of the inserted wire, whereby the stripped end of the wire is electrically and mechanically firmly connected to the contact element ,
  • If the individual contact elements with the wires thus connected electrically conductively inserted into the contact carrier or in individual contact carrier parts, the contact carrier or the contact carrier parts is preferably inserted into a cylindrical sleeve with a disposed within the sleeve, extending in the longitudinal direction of the sleeve cross-shaped shielding element. Thereafter, the sleeve-like threaded portion is pushed onto the sleeve and then encapsulated with the contact elements connected to the wires and the contact carrier part or the contact carrier parts for producing a handle body.
  • In particular, there are a variety of ways to design and further develop the electrical connector and method of the invention. Reference is made to both the subordinate claims and the following Description of a preferred embodiment in conjunction with the drawing. In the drawing show
  • Fig. 1
    a perspective view of an electrical connector according to the invention,
    Fig. 2
    the electrical connector according to Fig. 1 , in section,
    Fig. 3
    a Exlosionsdarstellung the essential components of the electrical connector according to Fig. 1 .
    Fig. 4
    an enlarged view of a part of the connector, with connected wires,
    Fig. 5
    an enlarged view of a contact carrier part of the electrical connector,
    Fig. 6
    two illustrations of a contact carrier part with two contact elements,
    Fig. 7
    two sectional views of the contact carrier part according to Fig. 6 .
    Fig. 8
    a perspective view of an electrical connector, consisting of a connector and a mating connector,
    Fig. 9
    the electrical connector according to Fig. 8 , in section,
    Fig. 10
    a perspective view of the mating connector of the electrical connector,
    Fig. 11
    the mating connector according to Fig. 10 , in section,
    Fig. 12
    an exploded view of the essential components of the mating connector, and
    Fig. 13
    an enlarged view of a mating contact element of the mating connector.
  • The Fig. 1 to 3 show an electrical connector 1 as part of a total in the Fig. 8 and 9 illustrated electrical connector, wherein the electrical Connector 1 for releasably connecting a cable with a in the 10 to 12 shown mating connector 2 is used. The electrical connector 1 has a cable or - in Fig. 4 shown - veins 3 surrounding handle body 4, a total of eight contact elements 5 receiving and holding contact carrier 6 and a rotatably mounted cap screw 7 with an external thread 8. The electrical connector 1 can be connected to the mating connector 2, that the cap screw 7 with its external thread 8 in a mating connector 2 associated outer sleeve 9, which has a corresponding internal thread 10, is screwed.
  • Like from the Fig. 1 and 10 can be seen, both the external thread 8 of the cap screw 7 and the internal thread 10 of the outer sleeve 9 are partially interrupted, that is, both the external thread 8 and the internal thread 10 have a plurality provided in plug or screw thread-free areas. This makes it possible to first insert the cap screw 7 of the connector 1 in the outer sleeve 9 of the mating connector 2, wherein the cap screw 7 only has to be rotated by less than half a turn for secure attachment of connector 1 and mating connector 2. As a result, the time required to attach or detach the connector can be significantly reduced. A similar electrical plug-in connection, in which the external thread and the internal thread each have thread-free regions, is marketed by the applicant under the product name "SPEEDCON" (cf. Prospectus "Industrial Plugs PLUSCON 2005", pages 58 and 59 of Phoenix Contact, Blomberg ).
  • In the preferred embodiment of the electrical connector 1 according to the invention shown in the figures, the contact carrier 6 consists of four separate contact carrier parts 61, 62, 63, 64, each having a quarter-circle-shaped base. As in particular from the Fig. 5 to 7 can be seen, in the individual contact carrier parts 61, 62, 63, 64 each two outwardly open, parallel to the longitudinal axis of the connector 1 and the contact carrier 6 extending grooves 11 are formed. The grooves 11 serve to receive a portion of the contact elements 5. In addition, in the mating connector 2 facing end face 12 of the individual contact carrier parts 61, 62, 63, 64 each have two through holes 13 are formed, which are arranged in the end face 12 that they directly adjoin the grooves 11, so that the wires 3 facing away from the ends 14 of the contact elements 5 protrude through the through holes 13 in the assembled state. Since the electrical connector 1 shown in the figures has a total of eight contact elements 5, thus eight grooves 11 and eight through holes 13 are formed in the contact carrier 6 in total.
  • As in particular from the two representations in the Fig. 6 and 7 it can be seen, by the above-described formation of the outwardly open grooves 11 and the through holes 13, a contact element 5 is thereby particularly easy in the contact carrier 6 and a contact carrier part 61 are mounted that initially the free, pin-shaped end 14 at an angle to the longitudinal axis the contact carrier part 61 is greater than zero, ie obliquely from the side through the through hole 13 is inserted ( Fig. 6a and 7a ). Only then is the contact element 5 aligned in the longitudinal direction of the contact carrier part 61 by the wires 3 facing the hollow end 15 of the contact element 5 is pivoted or pressed into the groove 11.
  • From the Fig. 5 to 7 Moreover, it can be seen that the through-holes 13 on the side 12 of the contact carrier 6 facing the mating connector 2 or of the individual contact carrier parts 61, 62, 63, 64 are surrounded by a collar 16, the collar 16 resting on the center axis of the plug-in connector. binder 1 side facing an interruption 17 has. In addition, in the grooves 11 in the region of the cores 3 facing hollow ends 15 of the contact elements 5, a constriction 18 is formed. This ensures that the contact elements 5 can not unintentionally swing out of the grooves 11 after swinging or pressing into the grooves 11 or fall out.
  • From the exploded view of the electrical connector 1 according to Fig. 3 It can be seen that the connector 1 additionally has a cylindrical sleeve 19 with a formed inside the sleeve 19 cross-shaped shielding element 20 and a shielding sleeve 21. The cylindrical sleeve 19 with the arranged therein, integrally connected to the sleeve 19 cross-shaped Schirmungselement 20 serves to receive the individual contact carrier parts 61, 62, 63, 64 with the contact elements 5 arranged therein. By the cross-shaped shielding element 20 thus the individual contact carrier parts 61, 62, 63, 64 and thus arranged in the contact carrier parts 61, 62, 63, 64 contact elements 5 are separated from each other, so that a crosstalk between one, a contact carrier member 61 associated shielded wire pair and another, a second Contact support member 62 associated shielded wire pair is largely prevented.
  • By arranging the further shielding sleeve 21 on the opposite side of the mating connector 2 of the electrical connector 1, which is arranged in the handle body 4 produced by molding, the individual wires 3 and the individual wire pairs are additionally shielded. Out Fig. 2 It can be seen that the cross-shaped shielding element 20 and the shielding sleeve 21 are arranged and formed so that they overlap in the longitudinal direction of the connector 1. In the sectional view also also a sealing ring and a spring ring can be seen, in the exploded view according to Fig. 3 are omitted, since they are not essential to the invention.
  • From the representation of the mating connector 2 in the 10 to 12 It can be seen that the mating connector 2 in addition to the outer sleeve 9 with the external thread 8 of the cap screw 7 corresponding internal thread 10 in particular still a total of eight mating contact elements 22 receiving and holding mating contact carrier 23 belong.
  • From the Fig. 11 to 13 it can be seen that the mating contact elements 22 have a central region 24, in which the outer diameter - compared to the outer diameter of the remaining regions of the mating contact elements 22 - is reduced. The reduction of the outer diameter of the contact elements 22 in the central region 24 serves to adapt the differential longitudinal impedance of the mating contact elements 22, whereby an impedance jump in the longitudinal direction of the electrical connector should be avoided. Since the differential longitudinal impedance of the individual mating contact elements 22 depends inter alia on their outer diameter and the center distance of the mating contact elements 22 to each other, an impedance matching can be achieved by reducing the outer diameter in the central region 24 of the mating contact elements 22, without the arrangement of the individual mating contact elements 22 are changed got to.
  • In particular from the Fig. 12 and 13 It can be seen that the contact elements 5 of the electrical connector 1 facing the end 25 of the mating contact elements 22 is hollow, so that the pin-shaped ends 14 of the contact elements 5 can be inserted into the hollow ends 25 of the mating contact elements 22. The the contact elements 5 opposite ends 26 of the mating contact elements 22, however, are pin-shaped, so that the mating connector 2 can be connected, for example, with a circuit board.
  • As in particular from the Fig. 10 and 12 can be seen, there is also the mating contact carrier 23 of the mating connector 2 of four mating contact carrier parts 71, 72, 73, 74, each having a quarter-circle base. Corresponding to the contact carrier parts 61, 62, 63, 64, the mating contact carrier parts 71, 72, 73, 74 each have two bores 27 extending in the longitudinal direction of the mating contact carrier parts 71, 72, 73, 74 for receiving the mating contact elements 22. In contrast to the contact carrier parts 61, 62, 63, 64, however, the four mating contact carrier parts 71, 72, 73, 74 are connected to one another via an integral ring 28.
  • Like the electrical connector 1, the mating connector 2 also has a cross-shaped shielding element 29, by which the individual mating contact carrier parts 71, 72, 73, 74 and thus the mating contact elements 22 disposed therein are shielded from each other. Instead of a sleeve 19, the cross-shaped shielding element 29 of the mating connector 2 on the side facing away from the connector 1 has an annular portion 30 which abuts in the mounted state on the end face of the outer sleeve 9. On the annular portion 30 four pins 31 are arranged, by means of which the mating connector 2 can be mounted on a circuit board.
  • From the sectional views according to the Fig. 2 . 9 and 11 It can be seen that the individual arms of the cross-shaped Schirmungselements 20 of the connector 1 on the mating connector 2 side facing each extending in the longitudinal direction of the connector 1 extension 32 and the individual arms of the cross-shaped shielding element 29 of the mating connector 2 on the connector 1 side facing each have a corresponding counter-extension 33 extending in the longitudinal direction of the mating connector 2. The extensions 32 and the counter-extensions 33 are arranged and formed so that they overlap in the axial direction, ie in the longitudinal direction of the connector, when the connector 1 and the mating connector 2 are connected together ( Fig. 9 ).
  • In order to ensure a correct assignment of the individual contact elements 5 to the individual mating contact elements 22, a coding is formed between the connector 1 and the mating connector 2, so that the connector 1 and the mating connector 2 can be screwed together only in a certain orientation to each other. The coding consists of a coding nose 34 formed on the crossing region of the cross-shaped shielding element 20 and a corresponding coding recess 35 introduced on a mating contact carrier part 72.
  • The figures show an embodiment of an electrical connector consisting of an electrical connector 1 and a mating connector 2, wherein the electrical connector 1 in particular provided and suitable, four shielded wire pairs on the arranged in four contact support members 61, 62, 63, 64 eight contact elements 5 releasably connect with the arranged in the mating contact carrier 23 eight mating contact elements 22 of the mating connector 2. Due to the robust and compact design of the connector 1 and the mating connector 2 and by the arrangement and design of the cross-shaped shielding elements 20 and 29, which preferably are made of metal, a connector is provided which is particularly good for Ethernet applications in harsh industrial environments suitable is. With the described and illustrated connector in particular the requirements of Cat6a are achieved, so that the connector is also suitable for 10 Gigabit Ethernet and other network protocols.

Claims (12)

  1. Electrical connector for detachable connection of a multicore cable to a mating connector (2), with a handle body (4) which surrounds the cable and the cores (3) of the cable, with a contact carrier (6) which holds or accommodates a plurality of contact elements (5) and with a pivotally arranged sleeve-shaped threaded part (7), wherein the individual contact elements (5) are connected electrically conductively to the individual cores (3) and wherein the sleeve-shaped threaded-part (7) can be screwed to a corresponding sleeve-shaped threaded part (9) of the mating connector (2), and wherein a number of grooves (11) corresponding to the number of contact elements (5) is made in the contact carrier (6),
    characterized in
    that the grooves (11) are open to the outside and run parallel to the longitudinal axis of the contact carrier (6),
    that in the face side (12) of the contact carrier (6) facing the mating connector (2), bordering the grooves (11), a number of through holes (13) corresponding to the number of grooves (11) is made through which the ends (14) of the contact elements (5) facing away from the cores (3) project in the mounted state,
    so that a contact element (5) can have an angle to the longitudinal axis of the contact carrier (6) that is greater than zero when pushed through a through hole (13), and
    that the through holes (13) in the face side (12) of the contact carrier (6) are made funnel-shaped, wherein the inside diameter of the through holes (13) increases from the side facing the grooves (11) to the side facing the mating connector (2).
  2. Electrical connector according to claim 1, characterized in that the through holes (13) on the face side (12) of the contact carrier (6) facing the mating connector (2) are each surrounded by a shroud (16), wherein the shrouds (16) on the side facing the middle axis of the connector (1) each have an interruption (17).
  3. Electrical connector according to any one of claims 1 or 2, characterized in that one constriction (18) at a time is formed in the grooves (11) for locking with a corresponding section of the contact elements (5).
  4. Electrical connector according to any one of claims 1 to 3, characterized in that the contact carrier (6) consists of four contact carrier parts (61, 62, 63, 64) which each have one quadrant-shaped base surface, wherein at least one groove (11) is formed in each contact carrier part (61, 62, 63, 64) and at least one through hole (13) is formed in the face side (12) of each contact carrier part (61, 62, 63, 64) facing the mating connector (2).
  5. Electrical connector according to claim 4, characterized in that the four contact carrier parts (61, 62, 63, 64) are surrounded by a cylindrical sleeve (19) and are separated from one another by a cross-shaped shielding element (20) which is located within the sleeve (19) and which extends in the longitudinal direction of the sleeve (19), wherein the sleeve (19) and the shielding element (20) preferably are made in one piece and consist of metal and preferably one stop for the contact carrier parts (61, 62, 63, 64) is formed on the inner periphery of the sleeve (19).
  6. Electrical connector according to claim 5, characterized in that the cross-shaped shielding element (20) in the mounted state of the connector on the side facing the cable projects out of the sleeve (19) so that the metallic shielding of the cores (3) can be attached to the end of the shielding element (20) projecting out of the sleeve (19).
  7. Electrical connector according to any one of claims 1 to 6, characterized in that the end (14) of the contact elements (5) which faces the cores (3) is made pin-shaped and the end (15) facing the cores (3) is made hollow, wherein the outside diameter of the end (15) facing the cores (3) is greater than the inside diameter of the through holes (13) in the face side (12) of the contact carrier (6) and the contact carrier parts (61, 62, 63, 64).
  8. Method for connecting the cores of a multicore cable to an electrical connector, especially according to any one of claims 1 to 7, with a handle body, with a contact carrier which is intended for accommodating a plurality of contact elements and with a pivotally arranged sleeve-shaped threaded part,
    wherein, in the contact carrier, a number of grooves which are open to the outside and which run parallel to the longitudinal axis of the contact carrier, which number corresponds to the number of contact elements, are made, and in the face side of the contact carrier facing away from the cores, bordering the grooves, a number of through holes corresponding to the number of grooves is made,
    characterized by the following steps,
    - connecting the individual stripped ends of the cores to the corresponding ends of the individual contact elements facing them,
    - pushing the ends of the contact elements facing away from the cores through the through holes in the face side of the contact carrier, wherein the contact elements have an angle to the longitudinal axis of the contact carrier greater than zero when pushed through, and
    - pivoting of the contact elements into the grooves in the contact carrier so that the contact elements, and with them the cores, run parallel to the longitudinal axis of the contact carrier.
  9. Method according to claim 8, wherein the ends of the contact elements which face the cores are made hollow, characterized in that the individual stripped ends of the cores are inserted into the hollow ends of the contact elements and are connected to the individual contact elements in an electrically conductive manner by mechanical crimping of the ends of the individual cores.
  10. Method according to any one of claims 8 or 9, wherein the contact carrier consisting of four contact carrier parts which each have one quadrant-shaped base surface, wherein at least one groove is formed in each contact carrier part and in the face side of each contact carrier part facing away from the cores at least one through hole is made, wherein the connector has a cylindrical sleeve with a cross-shaped shielding element which is located within the sleeve and which extends in the longitudinal direction of the sleeve, characterized in that the four contact carrier parts with the contact elements located therein are each inserted into a chamber formed by the sleeve and the cross-shaped shielding element.
  11. Method according to claim 10, characterized in that the sleeve-shaped threaded part is pushed onto the sleeve and then the cores connected to the contact elements and the contact carrier parts are coated to produce the handle body.
  12. Method according to claim 10, wherein the contact carrier has a shielding sleeve, characterized in that the sleeve-shaped threaded part is pushed onto the sleeve and the shielding sleeve is pushed over the cores connected to the contact elements and partially over the sleeve and then the shielding sleeve and the cable are coated to produce the handle body.
EP10715676.2A 2009-04-09 2010-03-22 Electrical plug-in connector Active EP2417673B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE102009016706 2009-04-09
DE102009021594.8A DE102009021594B4 (en) 2009-04-09 2009-05-15 Electrical connector and electrical connector and method for connecting the remainder of a multicore cable to an electrical connector
PCT/EP2010/001786 WO2010115514A2 (en) 2009-04-09 2010-03-22 Electrical plug-in connector and electrical plug-in connection

Publications (2)

Publication Number Publication Date
EP2417673A2 EP2417673A2 (en) 2012-02-15
EP2417673B1 true EP2417673B1 (en) 2015-10-21

Family

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Application Number Title Priority Date Filing Date
EP10715676.2A Active EP2417673B1 (en) 2009-04-09 2010-03-22 Electrical plug-in connector

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US (1) US8591268B2 (en)
EP (1) EP2417673B1 (en)
CN (1) CN102460843B (en)
DE (1) DE102009021594B4 (en)
WO (1) WO2010115514A2 (en)

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Also Published As

Publication number Publication date
US8591268B2 (en) 2013-11-26
WO2010115514A2 (en) 2010-10-14
WO2010115514A3 (en) 2010-12-16
DE102009021594A1 (en) 2010-10-21
CN102460843B (en) 2014-08-20
DE102009021594B4 (en) 2018-04-12
US20120034809A1 (en) 2012-02-09
EP2417673A2 (en) 2012-02-15
CN102460843A (en) 2012-05-16

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