CN1277744A - Support for an electrical contact arrangement - Google Patents

Abstract

The invention relates to a support (1) for an electrical contact arrangement, comprising an electrically non-conductive base body with electrical contacts (3) arranged therein. The support (1) has a modular design consisting of individual elements which can be assembled (2, 4). The individual elements (2) are provided with or without contacts (3).

Description

Bracket for arrangement of electrical contacts

The invention relates to a carrier for an arrangement of electrical contacts according to the preamble of claim 1 .

Such holders are used for electrical plugging. For this purpose, the carrier is surrounded, for example, by an outer socket body, so that an insertion opening is formed for the corresponding plug. The carrier also holds the contacts in the socket in such a way that it is electrically securely connected to the contacts of the plug. For reasons of compatibility, most electrical plug-in components are standardized so that the contact arrangement is clearly defined.

Due to the electromagnetic coupling between the two contact pairs, one of the adjacent contact pairs induces a current flow or induces a charge, resulting in crosstalk. To avoid near-end line crosstalk, contact pairs can be placed at a large distance from each other, or shielding can be provided between contact pairs. However, if the contact pairs have to be arranged very close to one another, this cannot be done and near-end line crosstalk must be compensated for.

A known method for eliminating near-end line crosstalk in plugging is a purposeful compensation after plugging the contacts. This is achieved by a purposeful additional coupling, but unlike the coupling in the contact area, said coupling is an anti-phase component and thus reduces the overall crosstalk. The double wires behind the plug contacts are therefore intentionally crossed, so that an additional anti-phase coupling occurs after the crossing point.

A disadvantage in this type of compensation is that the contact length or the distance between the center of the contact and the compensation position sets a high-frequency physical limit on the compensation range. For high data transmission rates, therefore, different contact arrangements for plug-sockets have been proposed, in which no contact crossover is also well compensated at high frequencies. For example, DE 19708798.1-35 discloses such an electrical contact arrangement, the proposed contact arrangement has the most complex structure, because on the one hand the contact arrangement in the wiring area is standardized as RJ-45-plug On the other hand, as far as the socket contact arrangement is concerned, it is hoped that the plug used above has downward compatibility. This also requires a specially manufactured carrier, which leads to high manufacturing costs both in terms of the manufacture of the carrier and the fitting of the carrier with the associated contacts.

Based on this technical problem, the present invention proposes a carrier for such an electrical contact arrangement which can be produced cost-effectively and which can be easily fitted with contacts.

The above-mentioned technical problem is solved by the features of claim 1 . A carrier for a certain contact arrangement can be compiled by assembling a carrier consisting of individual elements connected to each other. Then, with the standardized individual elements, a carrier can be programmed like a standard building block with regard to the number and arrangement of contacts. This reduces the number of die-casting tools to the number of individual components, for example, during the die-casting production of supports. In addition, individual elements can be easily assembled into a complex overall piece. The dependent claims present further advantageous embodiments of the invention.

Preferably only one single component is assigned to each contact, which allows for a clear and concise assembly and pre-processing. In order to fasten such an assembly carrier in the socket body, the individual elements are each associated with locking means on the sides. Equipping individual components with contacts can in principle be carried out in two different ways. The respectively preformed contacts are sprayed in during the manufacture of the individual elements, or the individual elements are provided with guide grooves into which the contacts can be inserted or clamped. In order to reduce manufacturing costs, it is preferable to use only one single element for the contact, for which a plurality of guide grooves are formed on the element, and only one of the guide grooves is used during assembly. The carrier can thus be assembled from three different individual elements, namely one individual element for the contacts and two side individual elements for fixing the carrier in the socket body or the like. Furthermore, with a suitable choice of the fastening means, the same individual elements can be used in the side regions, so that a total of only two different individual elements are required.

The present invention will be described in detail below in conjunction with preferred embodiment, wherein:

Fig. 1 is the exploded view of the support of RJ-45-socket;

Fig. 2 is an exploded view of Fig. 1 from another angle;

Fig. 3 shows the support of vertical arrangement;

Figure 4 shows a support in a horizontal layout;

Fig. 5 shows the socket body of the bracket shown in Fig. 4;

Fig. 6-8 Individual components with plug contacts.

FIG. 1 shows an exploded view of the support 1 of the RJ-45 socket. The carrier 1 has eight side individual elements 4 each equipped with a contact 3 individual element 2 and two further side individual elements 4 enclosing the carrier 1 . The individual elements 2 with the contacts 3 are produced in exactly the same shape and are formed with a plurality of guide grooves 5 , wherein different guide grooves 5 are arranged in the connection regions 6 of the contacts 3 . In addition, each individual element 2 has two fastening means in the form of tongues 8 on the side with the guide groove 5 , which are aligned with blind holes 9 provided on the other side of the individual element 2 . The individual elements 4 of the closure bracket 1 are formed with locking means 10 on the outwardly facing side.

In order to assemble a complete carrier 1 , the individual elements 2 are first molded with a specially formed contact, wherein a guide groove 5 is provided for each contact in the terminal area 6 and in the contact area 7 . The contacts 3 can be glued and clamped into the guide grooves 5 , but in principle another type of fastening can also be used. Next, the individual elements 2 , 4 are connected because the tongue 8 is pressed into the blind hole 9 of one of the adjacent individual elements 2 , 4 .

Instead of the tongue 8 and the blind hole 9 , the individual elements 2 , 4 can be provided with through holes, so that, for assembly, a cylindrical pin can be used as a shank. Alternatively, the individual elements 2 , 4 can also be connected to one another in a non-detachable manner, for example by means of suitable glue. But especially during maintenance such as in order to replace the faulty contact 3, it has reflected the advantage of forming a connection by means of a loose fixing method.

Instead of the guide groove 5, the side of the individual element with the contacts 3 can be formed with regularly arranged fastening means corresponding to the nail plate, so that a contact can be arranged at any desired position between the fastening means. Another alternative is that the contacts 3 can be sprayed into the individual elements 2 during their manufacture.

In FIG. 3 , the vertically arranged assembled support 1 is arranged, for example, on a printed circuit board. Clamping elements 11 are also formed for the individual elements 4 for fastening the carrier 1 on a printed circuit board or the like.

In FIG. 4 , the assembled support 1 for the horizontal layout shown in FIGS. 1 , 2 is shown. The holder 1 can then be inserted into the socket body 12 from behind as shown in FIG. 5 . The socket body 12 is formed with a snap-in notch 13 corresponding to the snap-in mechanism 10 of the individual element 4 . In the front area, the socket body 12 is formed with guide grooves 14 - 16 for the holder of the RJ-45 plug. In addition, a locking mechanism 17 for fixing the socket 12 or the socket formed by the bracket 1 and the socket body 12 to a printed circuit board or the like is provided on the bottom side of the socket 12 .

FIG. 6 shows an individual component 2 with plug contacts 3 for the vertical arrangement shown in FIG. 3 . The individual elements 2 are formed with a plurality of guide grooves 5 into which a contact 3 can each be inserted. In the connection area 6 , the individual components 2 have five guide grooves 5 , which are connected to three guide grooves in the contact area 7 . In this way, the orientation of differently formed and geometrically arranged contacts 3 at different positions is calibrated by means of a single individual element 2 . 7 and 8 each show an individual component 2 with plug contacts 3 for the horizontal arrangement shown in FIG. 4 . Here, five side guides 5 are used as guides 5 for the connection area 6 , wherein the charge of the guides 5 in the contact area 7 remains the same. The carrier 1 for an RJ-45 socket can thus be formed as a component by means of a single individual element 2 , here by means of correspondingly arranged contacts 3 , for both a vertical and a horizontal arrangement of the sockets. The shape of the guide groove 5 is determined as far as possible by the arrangement of the contacts.

Claims (9)

1. A support for the arrangement of electrical contacts, which has a non-conductive base body in which electrical contacts are arranged, is characterized in that the support (1) can be composed of many splicable individual elements (2, 4) Formation in which individual elements (2) can be equipped or equipped with contacts (3). 2. Bracket according to claim 1, characterized in that the individual elements (2, 4) are formed with fastening means (8, 9) for connecting adjacent individual elements (2, 4). 3. Holder according to claim 1 or 2, characterized in that each contact (3) is assigned a single element (2). 4. The bracket according to one of claims 1-3, characterized in that the single element (4) that limits the limit of the bracket (1) from the side is formed with a locking mechanism (10), and the bracket (1) is The locking mechanism is connected with a socket body (12) or a plug body. 5. Holder according to one of the preceding claims, characterized in that the individual elements (2) are formed with at least one guide groove (5), each of which can slide into a contact (3). 6. Holder according to one of claims 1-4, characterized in that the contacts (3) are shot into the individual elements (2). 7. Holder according to one of the preceding claims, characterized in that the individual elements (2) with contacts (3) are made identically shaped. 8. Bracket according to one of the preceding claims, characterized in that the fastening means () are in the shape of a tongue (8) and a blind hole (9). 9. A socket for electrical plugging, characterized in that the socket has a socket body (12) in which a support (1) according to one of the preceding claims is arranged.

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