Abstract
The invention relates to a positioning element for twin axial cables as well as to a contacting element comprising a positioning element of said type. In an illustrative embodiment of a positioning element for twin axial cables, the positioning element is at least partially electroconductive. Furthermore, the positioning element has at least one recess which is arranged and designed to accommodate a twin axial cable in such a way that an electroconductive connection is established between an outer conductor of the twin axial cable and the positioning element.
Claims
1. A positioning element for twin axial cables comprising an inner conductor pair and a filler wire, wherein the positioning element is designed to be comb-shaped and is at least partially electroconductive, and the positioning element has at least one recess with a sharp-edged plurality of teeth, which recess is designed corresponding in its form to the cross section of a twin axial cable to be accommodated and is arranged and designed to accommodate a twin axial cable pressed into the recess in such a way that the sharp-edged plurality of teeth penetrates a part of the twin axial cable so that an electroconductive connection of the filler wire of the twin axial cable is created to the positioning element.
2. The positioning element according to claim 1, wherein the positioning element has a plurality of recesses, which are each arranged and designed to accommodate one of a plurality of twin axial cables respectively in such a way that an electroconductive connection of the filler wire of the respective twin axial cable exists to the positioning element.
3. The positioning element according to claim 1, wherein the positioning element is designed to accommodate at least one twin axial cable such that the at least one twin axial cable is forced into a predetermined spatial arrangement by the take-up in the positioning element.
4. The positioning element according to of claim 1, wherein the positioning element is formed in one piece and/or from a copper or iron alloy or from a metal sheet.
5. A contacting element for twin axial cables, comprising: a positioning element according to claim 1, and a terminal element, which is connectable to at least one twin axial cable, which has a filler wire, wherein the positioning element is connected to the terminal element.
6. The contacting element according to claim 5, wherein the terminal element is connectable to a plurality of twin axial cables, which each have a filler wire.
7. The contacting element according to claim 5, wherein the terminal element also has two connection points in each case for each twin axial cable to be connected.
8. The contacting element according to claim 5, wherein the terminal element also has an earthing contact, which is connected electroconductively to the positioning element.
9. The contacting element according to claim 5, wherein the terminal element is a printed circuit board.
10. The contacting element according to claim 5, wherein the positioning element is connected to the terminal element at an angle of ninety degrees.
11. The contacting element according to claim 5, wherein the positioning element is connected electroconductively to a part of the terminal element, in particular to the earthing contact, in such a way that an electroconductive connection exists between the part of the terminal element, in particular the earthing contact, and the filler wire of at least one twin axial cable.
Description
(1) Other features, attributes, advantages and possible modifications become clear to a person skilled in the art by means of the following description, in which reference is made to the enclosed drawings. Here the figures show schematically and by way of example a contacting element for twin axial cables. All the described and/or illustrated features show the subject matter disclosed here by themselves or in any combination. The dimensions and proportions of the components shown in the figures are not to scale.
(2) FIG. 1A-1B show examples of twin axial cables schematically in cross section.
(3) FIG. 2A-2B show exemplary embodiments of a positioning element for twin axial cables schematically in two side views rotated by 90 to one another.
(4) FIG. 3A-3C show an exemplary embodiment of a contacting element for twin axial cables schematically with a positioning element and a terminal element.
(5) FIG. 4 shows the exemplary embodiment of a contacting element from FIGS. 3A-3C schematically with a partly stripped twin axial cable arranged therein.
(6) FIG. 5A-5D show schematically the partial penetration of twin axial cables by sharp-edged parts of a positioning element.
(7) FIG. 6 shows the exemplary embodiment of a contacting element from FIG. 4 schematically with a partially penetrated twin axial cable arranged therein.
(8) Components and features that are comparable or identical and with the same effect are provided in the figures with the same reference signs in each case. In some cases reference signs of individual features and components have also been omitted in the figures for reasons of clarity, wherein these features and components are provided with reference signs in other figures.
(9) FIG. 1A shows schematically an example of the structure of a twin axial cable 50 in cross section. The twin axial cable 50 has two symmetrically arranged signal-carrying inner conductors 52, which are surrounded by an inner dielectric 54. Here the inner dielectric 54 electrically insulates the inner conductors 52, which are manufactured from copper, for example. A shield 60 encloses the inner dielectric 54 in the example of the twin axial cable 50 shown in FIG. 1A. The shield 60 acts as a protective conductor of the twin axial cable 50 in the example shown. An outer dielectric 56 protects the twin axial cable 50 against environmental influences and insulates the shield 60 electrically.
(10) FIG. 1B shows schematically an example of the structure of a twin axial cable 50, wherein the twin axial cable 50 has a filler wire 62. The filler wire 62 acts in the example shown in FIG. 1B as a protective conductor of the twin axial cable 50. Furthermore, FIG. 1B shows by analogy with FIG. 1A two symmetrically arranged signal-carrying inner conductors 52, an inner dielectric 54 and an outer dielectric 56. The filler wire 62 is completely enclosed by the outer dielectric 56.
(11) The examples of twin axial cables 50 shown in FIGS. 1A and 1B have purely an exemplary character. Other configurations of twin axial cables have circular or elliptical cross sections, for example. The filler wire 62 shown in FIG. 1B can be located between the inner 54 and the outer dielectric 56 in other examples. Configurations of twin axial cables with a shield and a filler wire, which mutually complement one another in their function, are also known as the prior art. The examples shown in FIGS. 1A and 1B thus serve purely for clarification, but expressly do not restrict the use of the contacting element described below to an interaction with the examples of twin axial cables depicted.
(12) FIGS. 2A and 2B show schematically a side view of a positioning element 10. The positioning element 10 shown has, by way of example and without being restricted hereto, four recesses 12, which correspond in their form to the cross sections of the coaxial cables to be accommodated. The exemplary embodiment of a positioning element 10 shown in FIG. 2A has four recesses 12 purely as an example and is thus suitable for the arrangement of up to four twin axial cables 50.
(13) Let it be pointed out that FIGS. 2A and 2B show only one example, and that other exemplary embodiments (not shown) can in particular have any number of recesses 12, which can correspond in their form respectively to the cross sections of the twin axial cables to be accommodated.
(14) The recesses 12 of the positioning element 10 shown schematically in FIG. 2A are further formed sharp-edged and are suitable for penetrating at least a part of the outer dielectric 56 and/or a part of the inner dielectric 54 of a twin axial cable 50 to be accommodated.
(15) The positioning element 10 shown in FIGS. 2A and 2B is manufactured in one piece from an electroconductive steel sheet.
(16) FIG. 2B shows the positioning element 10 from a side view, which is rotated by 90 compared with the view in FIG. 2A. It is to be recognised that the positioning element 10 in this view has an L-shaped cross section. Furthermore, the positioning element is flat in this side view (in comparison to its lateral extension). A plinth section 16 of the positioning element 10 can be used in particular for attachment to a terminal element 20. Other embodiments (not shown) can have T-shaped or Y-shaped lateral cross sections, for example.
(17) FIG. 3A shows an exemplary embodiment for a contacting element 100 schematically from a perspective view, wherein the depiction of the contacting element 100 is reduced to the components relevant for comprehension. The contacting element 100 has a terminal element 20 and a positioning element 10. In particular, the terminal element 20 can comprise, for example, electronic device elements such as transistors, resistors, conductor paths, logic circuits and/or components with inductive or capacitive properties, for example. In one embodiment the terminal element 20 can be in particular a circuit board with a printed circuit (PCB).
(18) FIG. 3A shows a positioning element 10, which is arranged at a 90 angle on a terminal element 20 and is connected electroconductively to an earthing contact 24. The positioning element 10, which is manufactured in one piece from a steel sheet, thus lies completely on the electric potential of the earthing contact 24 of the terminal element 20. The electroconductive connection between the earthing contact 24 and the positioning element 10 can be created in particular by a soldering process.
(19) FIG. 3A also shows correspondingly arranged connection points 22 for each of the recesses 12 of the positioning element 10. Two connection points 22 of the terminal element 20 are associated in each case with a recess 12 of the positioning element 10. The connection points 22 are arranged and designed to be connected electroconductively to the respective inner conductors 52 of the twin axial cables 50 to be accommodated. In particular, an electroconductive connection can be created by a soldering process.
(20) FIGS. 3B and 3C show schematically two side views of the contacting element 100 rotated by 90 to one another. By analogy with FIG. 3A, FIGS. 3B and 3C show the terminal element 20, the positioning element 10 connected to the terminal element 20 with the recesses 12, the connection points 22 and the earthing contact 24.
(21) FIG. 4 shows by way of example a twin axial cable 50 arranged on a contacting element 100, wherein the twin axial cable 50 is accommodated by the positioning element 10 such that an electroconductive connection exists between the shield 60 of the twin axial cable 50 and the positioning element 10.
(22) In the exemplary embodiment shown in FIG. 4, the outer dielectric 56 of the twin axial cable 50 is partially stripped at the connection point, so that a simple insertion of the twin axial cable 50 into the positioning element 10 creates an electroconductive connection between the positioning element 10 and the shield 60.
(23) Due to the electroconductive connection of the positioning element 10 to the earthing contact 24, the shield 60 is also connected electroconductively to the earthing contact 24 in the arrangement shown.
(24) FIG. 4 shows an exemplary embodiment with a twin axial cable 50 according to FIG. 1A. It is understood that a twin axial cable 50 according to FIG. 1B is also connectable in the manner shown to the positioning element 10 and thus to the contacting element 100 if the filler wire 62 of the twin axial cable 50 is stripped or exposed at least in the area of the positioning element 10.
(25) In other embodiments (not shown) additional elements, for example cable fixing clips, can additionally fix the twin axial cable 50 on the contacting element 100.
(26) The twin axial cable 50 shown denotes by way of example and representatively a plurality of twin axial cables 50, which are connectable to the positioning element 10 and thus to the contacting element 100. The maximum number of twin axial cables 50 to be connected is limited by the number of recesses 12 of the positioning element 10 and/or by the number of connection points 22. This means that the number of twin axial cables 50 can be coordinated to the number of recesses 12, i.e. the number of twin axial cables 50 can correspond to the number of recesses 12.
(27) Furthermore, in the variant of the contacting element 100 shown in FIG. 4, all twin axial cables 50 to be connected are connected to the earthing contact 24. In other embodiments (not shown) the positioning element 10 can consist of two parts, for example, which are electrically insulated from each other by a dielectric, so that an electrical connection of outer conductors of different twin axial cables to different earthing contacts, for example, is possible. In these embodiments different electroconductive parts of the positioning element 10 can have different electrical potentials.
(28) In other embodiments (not shown) the positioning element 10 can interact with the terminal element 20 and/or other elements, in particular cable fixing clips, such that a predetermined spatial arrangement of the twin axial cables 50 to be accommodated is enforced. In particular, a substantially parallel orientation of the twin axial cables 50 to be accommodated can be achieved by a suitable arrangement of the recesses 12 of the positioning element 10.
(29) FIG. 4 also shows that the inner 54 and outer dielectric 56 of the twin axial cable 50 are stripped at the connection point such that the inner conductors 52 are exposed and are connectable to the connection points 22 of the terminal element 20. In particular, an electroconductive connection can be created by a soldering process.
(30) FIGS. 5A and 5B clarify the advantages of a sharp-edged design of the recesses 12 of the positioning element 10. If the recesses 12 are designed to be sharp-edged, it is not necessary to strip the outer dielectric 56 prior to arrangement of the twin axial cable 50 in the recess 12 in order to create an electroconductive connection between the positioning element 10 and the filler wire 62 or the shield 60 (shield 60 not shown). It is sufficient to press the twin axial cable 50 into the recess 12 of the positioning element 10 so that the sharp-edged rim of the recess 12 at least partially penetrates at least the outer dielectric 56 and thus establishes an electroconductive connection to the filler wire 62 or to the shield 60.
(31) In an embodiment shown in the figures in FIGS. 5C and 5D, the positioning element 10 can have sharp-edged toothing 18 in the area of the recess 12. This can make penetration of the dielectric easier, improve the creation of an electroconductive connection to the filler wire 62 and support fixing of the twin axial cable 50 on the contacting element 100.
(32) While twin axial cables 50 that have a shield 60 can be positioned in any way in the recess 12, twin axial cables 50 that only have a filler wire 62 must be positioned in the recess 12 at least in a suitable spatial orientation. However, the knowledge of an exact position of the filler wire 62 of a twin axial cable 50, which can vary contingent on production, is not necessary.
(33) In a further development, the sharp-edged toothing 18 can also be located on the opposing lateral edges of the recess 12 and promote the fixing of the twin axial cable 50 and/or the creation of an electroconductive connection to the shield 60 or to the filler wire 62 in such a way.
(34) FIG. 6 shows an exemplary embodiment of the contacting element 100 analogous to FIG. 4, wherein the recesses 12 in FIG. 6 are designed to be expressly sharp-edged. Stripping of the twin axial cable 50 in the area of the positioning element 10 is thus not necessary. To create an electroconductive connection between the filler wire 62 or the shield 60 and the earthing contact 24, it is sufficient in the case of the exemplary embodiment depicted schematically in FIG. 6 to arrange the twin axial cable 50 in the recess 12 of the positioning element 10 such that a part of the positioning element 10 penetrates at least a part of the outer dielectric 56 and thus creates an electroconductive connection to the filler wire 62 or to the shield 60.
(35) It is understood that the exemplary embodiments explained above are not conclusive and do not restrict the subject matter disclosed here. In particular, it is evident to the person skilled in the art that he can combine the features described with one another in any way and/or can omit various features without departing from the subject matter disclosed here.
