Multipolar plug system having a socket with at least one plug for electrical and mechanical connection of electric conductors

The present invention relates to a multipolar connector system with a wall outlet and at least one connector for electrically and mechanically Connecting electrical conductors, wherein the outlet is a socket housing covers and the socket housing in a plurality of individually according outwardly open chambers is divided

In particular, the inventive connector system for building cabling Class E provided. The class specifies the transmission quality electrical signals from all over the transmission paths or transmission systems from one endpoint to another endpoint fixed. In relevant standards, such as EN 50173, for example, limits the maximum attenuation of the crosstalk, for reflections, etc., and set for the maximum frequencies. For the E and future class Classes is provided with frequencies up to 600 MHz and more to work.

It is the trend of technological progress, building cabling in future, no longer separately for phone, for computer equipment, video equipment etc. to create, but only a single building wiring network provide, via which the information and data of all in Question be transmitted upcoming services. A start to this is with ISDN (Integrated Service Digital Network) has been made.

For generic cabling for the above purposes usually shielded cables with eight wires or four pairs, each with two twisted wires provided. However, be Pro service a maximum of four Cores or two pairs of wires required. With today preferably used Connector system that has become known under the designation RJ 45 is, at most, a plug for a single service can be plugged into an electrical outlet. If two services required at a workplace, then two Outlets are installed side by side. This is a fairly complex Work because nowadays most workplaces more than a single Service is required.

In addition, it has been shown that the aforementioned electrical transmission parameters in the connector systems of the type RJ 45 at frequencies not suitable from about 300 MHz and desirable sizes are hardly can be achieved. This is due to the internal connection technology with typically cutting / clamping terminals, the wires within the out socket or plug this connector system is often angled will. Furthermore it is known that in the connector system RJ 45 the shields of each pair is not directly to the plug contacts are guided or can be guided.

The plug according to US-A-5,342,221, for example, to Assembly of four pairs of terminals suitable. The plugs have a rectangular configuration. The lengths of the connector are a function of Number pairs of terminals, which are mounted in the plug. The one Connectors have a plurality of individual plugs for insertion into sockets the other plug on. One of the individual plugs or sockets have flattened corners, so just belong together Plug can be plugged together. The single plug and socket each have only one contact.

The subject matter of EP-A-0037013 relates to a multiple plug having a plurality of single plug heads, each of which at least one pole, but preferably has two poles formed and corresponding to a Number of single or multi-pole counterparts on a device or are intermediate plug part plugged. The aim is to build a multi-plug, the terms of infecting the device or at an intermediate plug part simplified handling with maximum variability of the combination the single plug heads with one another allows. This objective is ensures that the individual plug-in heads by means of connecting pieces in any arrangement with each of the different arrangement of the poles of counterparts the unit or intermediate plug part according to falling out or pulling secured, from the joint but whenever they're needed releasably to a compact connector can be plugged together.

EP-A-0700126 relates to a connector for a cable with a plurality of Veins, which by a metal screen which within a cable jacket runs, are enclosed together. It is a plug housing with a first means for electrically connecting the wires in the housing, each with a arranged plug pole available. The connector pins are for manufacturing an electrical connector accessible from outside the housing. In another is a second device for electrically connecting the screen with a mass or ground connection available. The second device comprises a ring having at least a metallic outer generated surface on which is loosely placed over the inserted into the connector end of the cable. Of the protruding from the cable sheath into the region of the ring remote Screen is guided over the outer surface of the ring. Within the Housing, essentially along the entire outer lateral surface and opposite to this is an electric contact element present, which is electrically connected to the earth or ground connection.

It is the object of the present invention, a relation to the mentioned prior art propose improved connector system. Especially should be achieved at a single outlet not only a Service can be removed.

Another object of the present invention is the electrical Transmission parameters over the known connector system of the type RJ improve 45 and transmission frequencies up to 600 MHz and higher to enable. An additional objective is to guide the shield within the connector system, ie within the outlet, and propose an improvement within the plug.

The object is a multi-pin connector system a wall outlet and at least one connector for electrically and mechanically Connecting electrical conductors solved in that in each of the Chambers two first arranged externally accessible plug contacts, that the connector comprises a plug housing, whereby in the plug housing at least two guide bodies with two second externally accessible Plug contacts are arranged, and that each chamber has a guide body in the chamber of the socket can be inserted, wherein the first and the Connect second plug contacts and the socket housing and the Plug housing on all sides have a metal surface and the Connector system is provided for the connection of multicore cables, each wire of the cable within the outlet essentially in the axial direction of the first plug contacts is guided and connected and that within the plug every vein of another cable substantially out and connected in the axial direction of the second plug-in contacts is and connectable cable shielded cables which first a Screen below a cable sheath having, of all cable wires surrounds that each two mutually twisted wires of the cable together are covered with a second screen, the second screen is within of the socket housing out directly up to the first plug contacts and that the second shield of another cable within the connector housing is guided to directly to the second plug contacts.

Special embodiments and solutions for the other named Tasks are included in the features of the dependent claims.

In the following reference to the accompanying drawings, exemplary embodiments described and their use in more detail. Show it<sl><li>Fig. 1 is a perspective exploded view of the socket,</li><li>FIG. 2 is an exploded perspective view of the jack with attached Electric wire,</li><li>FIG. 3 is a perspective view of the socket in view of front, </li><li>Fig. 4 is a perspective view of the socket in view of rear,</li><li>Fig. 5 is an exploded perspective view of the socket in view from the front,</li><li>Fig. 6 is a perspective view of the single plug into view from the front,</li><li>Fig. 7 is a perspective view of the double connector in view from the front,</li><li>Fig. 8 is an exploded perspective view of the single connector,</li><li>Fig. 9 is an exploded perspective view of the single plug with connected cable,</li><li>Fig. 10 is an exploded perspective view of the double plug with connected cable.</li></sl>

In the FIG. 1 is an embodiment of an inventive Socket 1 shown. In the exploded perspective view of FIG. 1 is the outlet that comprises of a two-part socket housing 2, 3 is shown without a cable and in the open state. The two-piece housing consists of a base part 2 and a cover 3, which when mounting to the base portion locks into place on the latter. These are essentially the Base on the longitudinal sides a locking rib on the cover 4 and each a resiliently embodied locking lance 5 provided. When replacing the cover 3 on the base part 2 engage the locking lances on the catching ribs, whereby the cover is held on the base part.

The two parts of the socket housing 2, 3 are preferably made of plastic. In particular, they are useful as injection molded parts from a thermoplastic plastics material. The two parts of the socket housing are covered on all sides with a metal layer. The coating is to known type creates a galvanic process. A first coating comprises a copper layer which conducts electricity well, and as later is described, for the electrical connection of a screen of in the Socket inserted cable with a socket on the port side arranged mass or ground terminal 6, 7, is determined. The copper layer shields simultaneously the outlet interior from electromagnetic fields from. is over the copper layer an imaginary especially as corrosion protection Nickel layer applied.

In the interior of the socket housing, in the base part 2, a module 8 inlaid with plugs Poland. The module 8 comprises a plug 9, in which are the outlet poles available and the insertion of a corresponding Male counterpart to the female connectors of the latter in an electrical connection contact. The connector system is in Class E, ie, up to 600 MHz and more suitable for transmitting frequencies. The connector system is designed for cable type S / STP category. 6

Subsequent to a cable to be connected to the connector facing end face 10 of the base part 2, in which the cable inlet aperture 11 is arranged a semi-circular groove 12 is provided, which at right angles to extends the plug longitudinal axis. A similar semi-circular groove 13 is then a the with the outlet facing cables to be connected Face 14 provided in the cover. 3 With the cap in 3 on the base part 2 of the socket housing, the groove 12, 13 circular. used in this groove is a ring 15 for electrically connecting the screen of a cable to the ground or earth terminal 6, 7 serves. The ring 15 is preferably, like the other parts of the socket, of a metallized plastic. It is essential that the designated 16 outer circumferential surface of the ring 15 is a good electrical conductor. At a Plastic ring this may be, for example, with a metal coating, similar to such above described, are achieved. The groove 2, 3 is so dimensioned that the ring in both its longitudinal axis and in the direction its diameter slightly game has.

The module 8 is provided with four plastic inserts 17, of which each of two parallel to the longitudinal axis of the base part arranged cylindrical Through holes 18 which come to lie in which plug pins. With the module connected is a vertical partition 19 and a horizontal Partition 20, between which each pair shielded wires of the connecting cable comes to rest.

In Fig. 2 is also an exploded perspective view of the Outlet, but shown with the cable connected. The cable 21, which to be connected to the socket, includes multiple wires 22, 23, In the example shown eight wires, the twisted pairs within a cable jacket 24 extend. The two twisted wires are by an inner Screen 25 screened. An outer shield 26 has an all wires overall enclosing location of a wire mesh. For connecting the Socket 1 on the cable 21, the sheath 24 of the cable in an end away. From Mantle end thereof the twisted wires are to the inner Shielding free. The ring 15 of the previously been pushed over the sheath is, will be arranged to fall within the range of the sheath end comes to rest, the wire of the outer shield 26 on the outer lateral surface 16 of the ring is placed 15th The outer circumferential surface 16 of the ring 15 is possible over the entire circumference of the ring from Wire of the outer shield 26 be evenly covered. The ring 15 is about the inverted wire of the outer shield 26 in the groove 12 of the base part 2. The game of the ring groove is such that remains just enough space to accommodate the screen. With patch Cover 3 is the ring 15 then together with the about his outer lateral surface 16 upturned outer shield 26 of the cable 21 in the circumferential groove 12, 13. The shield 26 is located over the entire circumference of the Groove distributed at the end faces and the circumferential surface of the groove 12, 13 at. Of the metal coating of the socket housing 2, 3 acts as a contact member or electrical contact path for establishing an electrical connection between the ring 15, the screen 26 and the plug housing 2, 3, in particular the connection tongues 6, 7, for the mass or ground connections on the Outside of the cover 3 are arranged. Through the groove 12, 13 is the Ring 15 is held stationary with respect to the longitudinal axis of the socket. The groove acts as a stop member for the ring. Thus, the groove is not only an electrical Contact between the shield and the connector contacts 6, 7 ago, but is also responsible for the strain relief of the cable 21 together with the ring. The cylindrically running ground terminals 6, 7 for receiving 27 is provided by connectors, in particular round sleeves, to the Ground or ground wires 28 are connected. Furthermore it is in the base part even an insert part 29 is provided with two tabs 30 and 31 contact producing between the inner shield 25 of the cores 22, 23 and the base portion second

In Fig. 3 the socket is shown in perspective view. The module 8 of the socket has four chambers 32, 33, 34 and 35, wherein was added per well, a pair of pairs shielded cable 21 can be. are each chamber of the module 8, as further below describes two pins 36 mounted. The inner chamber walls 90 are used for making contact with the plug.

In FIG. 4, the outlet is a perspective view from the rear shown as seen.

In Fig. 5 is an exploded perspective view of the jack shown seen from the front. In the four chambers 32, 33, 34 and 35 of the module 8 are inserted four plastic inserts 17th The plastic inserts indicate on a diagonal each two through holes 18th In the through holes 18 are pins 36 used on the back the eight wires of the cable are connected. The arrangement of each two plug pins in the four chambers is such that simultaneously a reverse polarity protection is achieved. The connector of a service can only be a single Position to be inserted. The insert 29 serves both for producing the contact of the inner shields to the housing, on the other hand happens to lock the module 8 in the base part 2. This locking 29 by a step 37 in the bottom 38 of the insert part In the composite Socket engages a recess at the lower edge of the vertical Partition 19 into a cam 39 on the insert part 29th

Fig. 6 shows in perspective view a single connector, in where the sockets are placed 88th The plug 40 is for connection of a service. It comprises a lid 41 and a T-shaped Member 42 which serves as a ground. forming the lid 41 and the bottom 42 the housing. The guide body 43, which extends through the plug extend, are provided with through holes 44 on a diagonal are and where the sockets are placed 88th The diagonals the two guide bodies 43, on which the holes are 44, are parallel. At the rear end of the lid has a groove 45 and two cams 46 are to Keep a kink protection for the cable 47 is provided. The portions of the single and double connector are preferably manufactured from plastic. Especially they are as injection molded parts from a thermoplastic plastics material manufactured and covered on all sides with a metal layer and moreover equal prepared as the portions of the socket.

In Fig. 7 is a perspective view of a double plug 48 shown, the connection to a service with four pairs of the Socket is suitable. The connector has four guide bodies 49 that those Simply plug the match. The through holes 50 are also arranged on a diagonal, the diagonal on which the Vias are, the upper two guide bodies and the lower two guide elements are orthogonal to each other. In the through-holes 50 are arranged bushes 89th Between the two identically constructed Lids 51 and 52 of the connector is a double-T-shaped middle piece 53 arranged. In the back of the connector are two slots 54 and four cams 55 for mounting a kink protection for the cable.

In FIG. 8 is a perspective exploded view of the single-plug 40 shown. The bottom 42 has a central web 70 and on either side of this Web disposed bolt 71. An arcuate groove 56 in the back End of the floor 42 serves for receiving a ring 57. In the rear Part of the connector to be plugged into the guide body 43 lugs 58, which are also provided with through-holes 59th The extensions 58 are not visible from this figure pin with the guide bodies 43.. The bottom 42 of the plug is on both sides of Central web 70 is provided with strips 60 which hold the guide body 43rd The lid 41 is provided with a semi-circular groove 61 for receiving the ring 57 provided. A holder 62 with a bend protection 63 of the groove 45 Lid 41 secured with recesses 64 on the holder 62 in the lid on provided cams 46 engage.

In Fig. 9 is a perspective exploded view of the single-plug shown with the cable connected the 65th The guide body 43 are connected Beryllium 72 is provided, which has 42 contact with the housing 41 and the function of a screen for projecting beyond the housing parts the guide body 43 carries. The cable 65 is below its outer insulating jacket 66 provided with an outer shield 67th The shield 67 consists of a wire mesh. Before connecting the cable to the Connector is a part of the casing 66 of the outer shield 67 is removed. The shell on the outstanding portion of the screen 67 is on the slipped ring 57, thereby forming a contact of the outer shield to the housing 41, 42 is produced. The housing and the ring 57, as in the Outlet metallized. Two cores 68 of the cable are twisted together and provided with an inner shield 69th The inner shield 69 is respectively clamped between the central web 70 and a bolt 71, so that a Contact of the inner screen 69 to the housing 41, 42 is produced.

In Fig. 10 is an exploded perspective view of the double plug shown with the cable connected. The connector corresponds to that according to FIG. 7. The center piece 53 includes two downwardly and upwardly projecting Webs 73. There are four guiding body 49, on both sides of the central piece are arranged 53rd The guide body 49 are also provided with Berylliumbronzefolien 74 so that the housing via the 51, 52 also protruding portions of the guide members 49 are shielded. Also here are the guiding body lugs 75 with from this figure not visible bolts placed. In the guide bodies 49 are two Jacks 89 arranged in the through holes 50th In the extensions 75 are performed, the exposed conductors 76 of the cable 77th The wires are connected the inner shield 78 each between a pin 79 and the center web 73 clamped, in order to achieve a good contact to the housing 51, 52nd The Cable 77 is in principle the same construction as the cable 65 of FIG. 9, with The difference is that four twisted pairs are present. Each Pair 76, 76 has an inner shield 78, where all four pairs are covered by an outer shield 84th Outermost located the insulation sheath 80. In the cover parts 51 and 52 each have a semi-circular Groove 81 and 82 admitted, in which two grooves, an annular Plate 83 is inserted. The braid 84 of denuded outer Screen is placed around the plate 83 to prevent contact between the outer Screen 84 and housing 51 to produce 52nd Approaches 85 at the top Cover part 51 and lugs 86 in the lower cover part 52 engage during assembly the plug in slots 87 a centerpiece in 53rd

According to the inventive connector system can an optional or two services are turned on, wherein each service two or four use pairs of eight-core cable of the socket. For one or two services with two pairs, one or two single-plug 40 and for a service with four pairs a double plug 48 used. According to the inventive connector system grounding is continuously performed. A whole through the outlet or the whole Plug performed shield preventing at high frequencies, a secondary or crosstalk. The connector system is a four-chamber system with four metallized Chambers 32, 33, 34, 35, said chamber per one pair 22, 23, 68, 76 of the pairs shielded cable can be received. By this construction and through the grounding is performed the connector system EMVproof. Because of the high frequencies is the connection system radially running with tulips contacts. It is thereby a straight passage the conductor achieved by the connector system, which has a favorable effect on the damping effect. In the plug socket 1 are contrary to the generally accepted Norm the connector pins arranged in 36 and connectors 40, 48 are the jacks 88, 89 housed. This reversed arrangement is a achieved better protection of the contact pins. The arrangement of the two contact pins in the four chambers on a diagonal is such that simultaneously one Reverse polarity protection is achieved. The connector of a service can only be a single position to be inserted.