EP0772253A1 - Angled connector - Google Patents

Angled connector Download PDF

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Publication number
EP0772253A1
EP0772253A1 EP96116723A EP96116723A EP0772253A1 EP 0772253 A1 EP0772253 A1 EP 0772253A1 EP 96116723 A EP96116723 A EP 96116723A EP 96116723 A EP96116723 A EP 96116723A EP 0772253 A1 EP0772253 A1 EP 0772253A1
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EP
European Patent Office
Prior art keywords
planar structure
connection part
connection
coaxial
element according
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.)
Granted
Application number
EP96116723A
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German (de)
French (fr)
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EP0772253B1 (en
Inventor
Bernd Dipl.-Ing. Rosenberger
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Rosenberger Hochfrequenztechnik GmbH and Co KG
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Rosenberger Hochfrequenztechnik GmbH and Co KG
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Publication of EP0772253A1 publication Critical patent/EP0772253A1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/02—Connectors or connections adapted for particular applications for antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural 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
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0515—Connection to a rigid planar substrate, e.g. printed circuit board

Definitions

  • the invention relates to an angled connecting element according to the preamble of claims 1 and 9, respectively.
  • Angle plugs for the transition from a coaxial structure to a planar structure are known.
  • these known angled plugs are not impedance controlled, ie the connections on the planar structure side are not subject to the dimensioning guidelines for a waveguide system, such as a microstrip line.
  • the invention is therefore based on the object of providing an angular connecting element which enables an impedance-controlled construction with the smallest possible design and is simple and inexpensive to manufacture and assemble.
  • connection part on the planar structure side is designed as a planar waveguide, which is connected within the outer circumference of the angle connection element to the connection part on the coaxial structure side.
  • connection part on the planar structure side is thus designed in the same or very similar manner to the conductor track of the planar structure and the actual transition from the planar structure to the coaxial structure is moved into the angle connection element.
  • the angled connecting element according to the invention can easily be designed in such a way that it is already contacted with the associated conductor track by means of pressure and can consequently be used as a measuring head in measuring devices.
  • This has the great advantage that the user can complete his circuit with the same output impedance in the development phase as later in the production.
  • the user is therefore provided with a measuring technique that corresponds to the real conditions of later implementation, i.e. With such a measuring tip, the user can complete the circuit in the same way as he can otherwise complete it by soldering the angle connection element.
  • connection part on the planar structure side is arranged perpendicular to the planar structure, wherein it can be placed on the end face of the planar structure.
  • the planar structure-side connection part is expediently applied to a substrate, in particular polytetrafluoroethylene (Teflon).
  • a substrate in particular polytetrafluoroethylene (Teflon).
  • connection part on the planar structure side has essentially the same width as the conductor track, at least at the contact point.
  • the entire planar structure-side connection part advantageously runs within the outer contour of a housing of the angle connecting element.
  • the housing can also be designed in such a way that the desired electrical and magnetic properties are achieved in the vicinity of the connecting part on the planar structure side.
  • an angle connecting element in which the planar structure-side connection part is designed as a coaxial waveguide, which is connected to the coaxial structure-side connection part within the outer circumference of the angle element and is surrounded by a housing whose radial distance from the planar structure-side connection part is in the direction of the part coaxial structure reduced.
  • connection between the connection part on the planar structure side and the connection part on the coaxial structure side is laid inside the angle connection element.
  • the radial distance of the connection part on the planar structure side to the housing and the angle at which the connection part on the planar structure side is placed on the planar structure can thus be optimized so that the desired adaptation of the electromagnetic wave is given in the entire area of the angle connection element.
  • This angular connection element also enables low-dispersion transmission of the signals, which is particularly important for digital signals. It applies to both the transmission of analog and digital signals that the angle connection elements according to the invention have a very good adaptation over a wide frequency range, from direct current to the microwave range. Still is the angled connector according to the invention in the area of the planar structure-side connection part is designed so that it can also be contacted by pressing alone, which gives the possibility that the angled connecting element can be used as a measuring tip in mechanical positioning units. Thus, measuring tips are available which have almost the same electrical properties as the angle connection elements to be attached to the planar structure.
  • a secure connection between the angled connecting element and the coaxial line is obtained if a screw or clamp connection is provided on the end region on the coaxial structure for fastening the coaxial line.
  • the connecting part on the planar structure is advantageously designed as a measuring tip which can be placed on the conductor track. Since, as already mentioned, such measuring tips have almost the same electrical properties as the angle connection elements to be attached to the planar structure later, the electrical behavior of the entire planar structure can be determined very precisely.
  • the invention is directed to the use of the angle connecting element as a head part of a measuring device for measuring electrical properties of the planar structure.
  • the angular connecting element shown has an essentially cube-shaped housing 1, in which a coaxial connection 2 is located.
  • the coaxial connector 2 consists of a horizontally stepped coaxial bore 3 arranged in the center of the housing 1, into which a horizontal connector part 4 in the form of a pin projects in the center.
  • the coaxial connector 2 is open to the rear 5 of the housing 1. Therefore, if a known coaxial connector is inserted into the coaxial bore 3 from there, the inner conductor of the coaxial connector is contacted with the pin 4.
  • the housing 1 On its front side 6, the housing 1 has a recess 7, into which a vertically aligned, plate-shaped substrate 8 is inserted.
  • a planar connecting element 9 in the form of a conductor track is applied to the substrate 8 and extends vertically up to the pin 4 from a region which is in the vicinity of the bottom 10 of the housing 1.
  • the pin 4 of the coaxial connection 2 is passed through a horizontal bore 11 of the substrate 8 and is connected to the planar connection part 9.
  • the substrate 8 is covered by a cover 12 at those points which are not occupied by the planar connecting part 9.
  • Teflon polytetrafluoroethylene
  • the lower part 13 of the housing 1 being at a slight distance from the substrate 8. If the housing 1 were designed symmetrically, i.e. that the lower housing part 13 connects to the substrate 8, either a tri-plate line or a microstrip line could be dimensioned.
  • the angle connection element shown in FIG. 2 is designed such that it can be placed on a planar structure in the form of a printed circuit board 14.
  • the planar waveguide 9 lies in the assembled state of the angular connection element on the end face on a conductor 15 of the circuit board 14 and is connected to the conductor 15 by means of a soldered connection 16.
  • the substrate 8, however, does not extend completely to the conductor track 15, so that a free space 23 shown in FIG. 2 remains, into which the conductor track 15 can protrude.
  • planar connection of the angle connector i.e. the waveguide 9 and the underlying substrate 8 is realized according to the guidelines of a planar line. Examples of these are microstrip lines, coplanar lines or tri-plate lines.
  • the coaxial connection 2 ' is arranged vertically, ie that a (not shown) coaxial connector in the vertical direction to a (not shown) circuit board can be plugged onto the coaxial connection 2 '.
  • the housing 1 ' has a vertical, hollow cylindrical part 18', on the outer circumference of which an external thread 17 'is provided to secure the coaxial connector.
  • the vertical part 18 'of the housing 1' merges into a section 19 'which is arranged at an acute angle to the horizontal plane.
  • This section 19 'thus forms an essentially lying tube in which the planar structure-side connection part 9' of the waveguide runs.
  • the radial distance R1 between the front end of the planar structure-side connection part 9 'and the section 19' of the housing 1 ' is less than the radial distance R2 between the planar structure-side connection part 9' and the housing 1 'in the region of the transition to the hollow cylindrical part 18'.
  • the geometrical design of the distances R1, R2 and an angle ⁇ between the planar structure-side connection part 9 'and the horizontal plane are optimized so that an adaptation of the electromagnetic wave is given in the entire area of the angle connecting element.
  • both the coaxial inner conductor 4 'and the planar structure-side connecting part 9' are designed in accordance with the guidelines of a coaxial line which narrows in an impedance-controlled manner.
  • the free end of the planar structure-side connecting part 9 ' is arranged such that it only comes into contact with a conductor track by pressing the angled connecting element.
  • the end of the connecting part on the planar structure expediently stands for this 9 'slightly above the housing 1' and has a flattened contact area 20 'on its underside.
  • angled connecting element When using the angled connecting element as an angled plug, it can be expedient to provide foot tabs 21 'which protrude laterally in the base area and which can have suitable bores for carrying out a fastening element.
  • a dielectric filler compound 22 ' can also be provided between the coaxial inner conductor 4' or the connection part 4 'on the coaxial structure side and the housing 1', which can also be replaced by a so-called support.
  • the third embodiment of the angle connection element according to FIG. 6 differs from that according to FIGS. 3 to 5 in that the vertical hollow cylindrical part 18 'of the housing 1' is bent again at its free end region in the horizontal direction, so that the coaxial connection is essentially horizontal runs, ie that a coaxial connector can be plugged in substantially parallel to a circuit board.

Abstract

The connecting element has a connection part (9) such as micro-stripline, Tri-plate line or coplanar line, on the planar structure (14) side which can be brought into contact with at least one planar conducting path (15). A connecting part (4) on the coaxial structure side is arranged at an angle to the first connection part and is connected to a coaxial cable. The connection part on the planar structure side is a planar waveguide which is connected to the connection part on the coaxial structure side inside the outer periphery of the angled connection element. The planar structure element is mounted at right angles to the planar structure.

Description

Die Erfindung betrifft ein Winkelverbindungselement gemäß dem Oberbegriff des Anspruchs 1 bzw. 9.9. The invention relates to an angled connecting element according to the preamble of claims 1 and 9, respectively.

In der Elektrotechnik besteht häufig das Problem, planare Strukturen, wie Leiterplatten oder Schaltungsträger, mit Koaxialstrukturen zu verbinden. Das elektrische Übertragungsverhalten derartiger Verbindungen ist jedoch häufig nur äußerst ungenau vorherzubestimmen, da die elektromagnetischen Felder einer Koaxialstruktur mit denjenigen einer planaren Leiterplattenstruktur nicht übereinstimmen. Die Folge hiervon sind vom Bezugswiderstand abweichende Impedanzen im Verbindungsbereich, was zu Übertragungs- und Leistungseinbrüchen führen kann. Diese Probleme vergrößern sich noch, wenn Übertragungen im Gigahertz-Bereich vorzunehmen sind, d.h. in höheren Frequenzbereichen, da dort selbst kleinste Streuverluste, die aufgrund schlechter Verbindungen entstehen können, große Auswirkungen auf den Leistungsbereich eines elektrischen bzw. elektronischen Gerätes haben.In electrical engineering, there is often the problem of connecting planar structures, such as printed circuit boards or circuit carriers, with coaxial structures. However, the electrical transmission behavior of such connections can often only be determined with extreme imprecision, since the electromagnetic fields of a coaxial structure do not match those of a planar printed circuit board structure. The consequence of this are impedances in the connection area which deviate from the reference resistance, which can lead to transmission and power drops. These problems increase when transmissions are made in the gigahertz range, i.e. in higher frequency ranges, since even the smallest leakage losses that can arise due to poor connections have a major impact on the performance range of an electrical or electronic device.

Es sind Winkelstecker für den Übergang von einer Koaxialstruktur auf eine planare Struktur, wie einer Leiterplatte oder einem planaren Schaltungsträger, bekannt. Diese bekannten Winkelstecker sind jedoch nicht impedanzkontrolliert, d.h. die Anschlüsse auf der Planarstrukturseite unterliegen nicht den Dimensionierungsrichtlinien für ein Wellenleitersystem, wie z.B. eine Mikrostreifenleitung.Angle plugs for the transition from a coaxial structure to a planar structure, such as a printed circuit board or a planar circuit carrier, are known. However, these known angled plugs are not impedance controlled, ie the connections on the planar structure side are not subject to the dimensioning guidelines for a waveguide system, such as a microstrip line.

Weiterhin sind im Bereich der planaren Meßtechnik technologisch hochwertige Meßspitzen bekannt, die hervorragende Übertragungseigenschaften aufweisen. Nachteilig ist hierbei jedoch, daß diese bekannten Meßspitzen sehr teuer sind und nicht die gleichen elektrischen Eigenschaften wie die Steckverbinder aufweisen. Aus diesem Grund entsprechen die elektrischen Übertragungseigenschaften nach der Montage des Steckverbinders nicht denjenigen, welche von den Meßspitzen gemessen worden sind.Furthermore, technologically high-quality measuring tips are known in the field of planar measuring technology, which have excellent transmission properties. The disadvantage here, however, is that these known measuring tips are very expensive and do not have the same electrical properties as the plug connectors. For this reason, the electrical transmission properties after assembly of the connector do not correspond to those measured by the measuring tips.

Der Erfindung liegt daher die Aufgabe zugrunde, ein Winkelverbindungselement zu schaffen, welches einen impedanzkontrollierten Aufbau bei möglichst kleiner Bauform ermöglicht sowie einfach und kostengünstig herzustellen und zu montieren ist.The invention is therefore based on the object of providing an angular connecting element which enables an impedance-controlled construction with the smallest possible design and is simple and inexpensive to manufacture and assemble.

Die Aufgabe wird erfindungsgemäß durch die Merkmale der Patentansprüche 1 bzw. 9 gelöst. Vorteilhafte Ausführungsformen der Erfindung sind in den weiteren Ansprüchen beschrieben.The object is achieved by the features of claims 1 and 9, respectively. Advantageous embodiments of the invention are described in the further claims.

Beim erfindungsgemäßen Winkelverbindungselement gemäß Patentanspruch 1 ist das planarstrukturseitige Anschlußteil als planarer Wellenleiter ausgebildet, der innerhalb des Außenumfangs des Winkelverbindungselements mit dem koaxialstrukturseitigen Anschlußteil verbunden ist.In the angular connection element according to the invention, the connection part on the planar structure side is designed as a planar waveguide, which is connected within the outer circumference of the angle connection element to the connection part on the coaxial structure side.

Beim erfindungsgemäßen Winkelverbindungselement wird somit das planarstrukturseitige Anschlußteil in gleicher oder ganz ähnlicher Weise wie die Leiterbahn der planaren Struktur ausgeführt und der eigentliche Übergang von der planaren Struktur auf die Koaxialstruktur in das Winkelverbindungselement hineinverlegt. Hierdurch ist es möglich, daß bereits der Hersteller das planarstrukturseitige Anschlußteil gemäß den Richtlinien einer planaren Leitung realisiert und die Komponenten des Winkelverbindungselements derart optimiert, daß eine sehr dispersionsarme Leitung realisiert wird, mit der breitbandige digitale Signale verzerrungsfrei übertragen werden können. Die Reflexionsdämpfung von derartig realisierten Winkelverbindungselementen ist sehr groß, wogegen die Transmissionsverluste sehr gering sind.In the angular connection element according to the invention, the connection part on the planar structure side is thus designed in the same or very similar manner to the conductor track of the planar structure and the actual transition from the planar structure to the coaxial structure is moved into the angle connection element. This makes it possible for the manufacturer already realizes the connection part on the planar structure side in accordance with the guidelines of a planar line and optimizes the components of the angle connection element in such a way that a very low-dispersion line is realized with which broadband digital signals can be transmitted without distortion. The reflection attenuation of such angle connection elements is very large, whereas the transmission losses are very low.

Von besonderem Vorteil ist, daß das erfindungsgemäße Winkelverbindungselement ohne weiteres derart ausgebildet werden kann, daß es bereits über Preßdruck mit der dazugehörigen Leiterbahn kontaktiert wird und folglich als Meßkopf in Meßvorrichtungen einsetzbar ist. Dies hat den großen Vorteil, daß der Anwender seine Schaltung in der Entwicklungsphase wie auch später in der Herstellung mit der gleichen Ausgangsimpedanz abschließen kann. Dem Anwender steht somit eine Meßtechnik zur Verfügung, die den realen Bedingungen der späteren Realisierung entspricht, d.h. der Anwender kann mit einer derartigen Meßspitze die Schaltung genauso abschließen, wie er sie ansonsten durch das Einlöten des Winkelverbindungselements abschließen kann.It is particularly advantageous that the angled connecting element according to the invention can easily be designed in such a way that it is already contacted with the associated conductor track by means of pressure and can consequently be used as a measuring head in measuring devices. This has the great advantage that the user can complete his circuit with the same output impedance in the development phase as later in the production. The user is therefore provided with a measuring technique that corresponds to the real conditions of later implementation, i.e. With such a measuring tip, the user can complete the circuit in the same way as he can otherwise complete it by soldering the angle connection element.

Vorteilhafterweise ist das planarstrukturseitige Anschlußteil senkrecht zur planaren Struktur angeordnet, wobei es stirnseitig auf die planare Struktur aufsetzbar ist.Advantageously, the connection part on the planar structure side is arranged perpendicular to the planar structure, wherein it can be placed on the end face of the planar structure.

Zweckmäßigerweise wird das planarstrukturseitige Anschlußteil auf einem Substrat, insbesondere Polytetrafluoräthylen (Teflon), aufgebracht.The planar structure-side connection part is expediently applied to a substrate, in particular polytetrafluoroethylene (Teflon).

Besonders günstige elektrische Übertragungseigenschaften ergeben sich, wenn das planarstrukturseitige Anschlußteil zumindest an der Kontaktierungsstelle im wesentlichen die gleiche Breite wie die Leiterbahn aufweist.Particularly favorable electrical transmission properties result if the connecting part on the planar structure side has essentially the same width as the conductor track, at least at the contact point.

Vorteilhafterweise verläuft das gesamte planarstrukturseitige Anschlußteil innerhalb der Außenkontur eines Gehäuses des Winkelverbindungselements. Hierdurch kann einerseits für das planarstrukturseitige Anschlußteil ein gewisser Schutz vor Beschädigungen erreicht werden. Andererseits kann auch das Gehäuse derart gestaltet werden, daß die gewünschten elektrischen und magnetischen Eigenschaften im Umfeld des planarstrukturseitigen Anschlußteils erreicht werden.The entire planar structure-side connection part advantageously runs within the outer contour of a housing of the angle connecting element. In this way, on the one hand, a certain protection against damage can be achieved for the connecting part on the planar structure. On the other hand, the housing can also be designed in such a way that the desired electrical and magnetic properties are achieved in the vicinity of the connecting part on the planar structure side.

Die eingangs gestellte Aufgabe wird erfindungsgemäß weiterhin durch ein Winkelverbindungselement gelöst, bei dem das planarstrukturseitige Anschlußteil als koaxialer Wellenleiter ausgebildet ist, der innerhalb des Außenumfangs des Winkelelements mit dem koaxialstrukturseitigen Anschlußteil verbunden und von einem Gehäuse umgeben ist, dessen radialer Abstand zum planarstrukturseitigen Anschlußteil sich in Richtung des koaxialstrukturseitigen Teils verringert.The object stated is further achieved according to the invention by an angle connecting element in which the planar structure-side connection part is designed as a coaxial waveguide, which is connected to the coaxial structure-side connection part within the outer circumference of the angle element and is surrounded by a housing whose radial distance from the planar structure-side connection part is in the direction of the part coaxial structure reduced.

Auch in diesem Fall ist die Verbindung zwischen dem planarstrukturseitigen Anschlußteil und dem koaxialstrukturseitigen Anschlußteil in das Innere des Winkelverbindungselements hineinverlegt. Der radiale Abstand des planarstrukturseitigen Anschlußteils zum Gehäuse und der Winkel, unter dem das planarstrukturseitige Anschlußteil auf die planare Struktur aufgesetzt wird, können damit so optimiert werden, daß im gesamten Bereich des Winkelverbindungselements die gewünschte Anpassung der elektromagnetischen Welle gegeben ist.In this case, too, the connection between the connection part on the planar structure side and the connection part on the coaxial structure side is laid inside the angle connection element. The radial distance of the connection part on the planar structure side to the housing and the angle at which the connection part on the planar structure side is placed on the planar structure can thus be optimized so that the desired adaptation of the electromagnetic wave is given in the entire area of the angle connection element.

Auch dieses Winkelverbindungselement ermöglicht eine dispersionsarme Übertragung der Signale, was insbesondere für digitale Signale entscheidend ist. Sowohl für die Übertragung analoger als auch digitaler Signale gilt, daß die erfindungsgemäßen Winkelverbindungselemente über einen weiten Frequenzbereich, vom Gleichstrom bis in den Mikrowellenbereich, eine sehr gute Anpassung aufweisen. Weiterhin ist der erfindungsgemäße Winkelstecker im Bereich des planarstrukturseitigen Anschlußteils so ausgelegt, daß dieses auch allein durch Andrücken kontaktiert werden kann, wodurch die Möglichkeit gegeben ist, daß das Winkelverbindungselement als Meßspitze in mechanischen Positioniereinheiten eingesetzt werden kann. Damit stehen Meßspitzen zur Verfügung, die nahezu die gleichen elektrischen Eigenschaften wie die an der planaren Struktur zu befestigenden Winkelverbindungselemente aufweisen.This angular connection element also enables low-dispersion transmission of the signals, which is particularly important for digital signals. It applies to both the transmission of analog and digital signals that the angle connection elements according to the invention have a very good adaptation over a wide frequency range, from direct current to the microwave range. Still is the angled connector according to the invention in the area of the planar structure-side connection part is designed so that it can also be contacted by pressing alone, which gives the possibility that the angled connecting element can be used as a measuring tip in mechanical positioning units. Thus, measuring tips are available which have almost the same electrical properties as the angle connection elements to be attached to the planar structure.

Eine sichere Verbindung zwischen dem Winkelverbindungselement und der Koaxialleitung ergibt sich, wenn am koaxialstrukturseitigen Endbereich ein Schraub- oder Klemmanschluß zur Befestigung der Koaxialleitung vorgesehen ist.A secure connection between the angled connecting element and the coaxial line is obtained if a screw or clamp connection is provided on the end region on the coaxial structure for fastening the coaxial line.

Vorteilhafterweise ist das planarstrukturseitige Anschlußteil als auf die Leiterbahn aufsetzbare Meßspitze ausgebildet. Da derartige Meßspitzen, wie bereits erwähnt, nahezu die gleichen elektrischen Eigenschaften wie die später an der planaren Struktur zu befestigen Winkelverbindungselemente aufweisen, kann das elektrische Verhalten der gesamten planaren Struktur sehr genau vorherbestimmt werden.The connecting part on the planar structure is advantageously designed as a measuring tip which can be placed on the conductor track. Since, as already mentioned, such measuring tips have almost the same electrical properties as the angle connection elements to be attached to the planar structure later, the electrical behavior of the entire planar structure can be determined very precisely.

Weiterhin ist die Erfindung auf die Verwendung des Winkelverbindungselements als Kopfteil einer Meßvorrichtung zur Messung elektrischer Eigenschaften der planaren Struktur gerichtet.Furthermore, the invention is directed to the use of the angle connecting element as a head part of a measuring device for measuring electrical properties of the planar structure.

Die Erfindung wird nachfolgend anhand der Zeichnung beispielsweise näher erläutert. In dieser zeigen:

Fig. 1
eine perspektivische Darstellung einer ersten Ausführungsform des erfindungsgemäßen Winkelverbindungselements,
Fig. 2
einen vertikalen, mittigen Längsschnitt durch das Winkelverbindungselement von Fig. 1 mit darunter angeordneter Leiterplatte,
Fig. 3
eine zweite Ausführungsform des erfindungsgemäßen Winkelverbindungselements in perspektivischer Darstellung,
Fig. 4
im vertikalen Längsschnitt sowie
Fig. 5
in Draufsicht und
Fig. 6
eine dritte Ausführungsform des erfindungsgemäßen Winkelverbindungselements.
The invention is explained in more detail below with reference to the drawing, for example. In this show:
Fig. 1
2 shows a perspective illustration of a first embodiment of the angle connection element according to the invention,
Fig. 2
a vertical, central longitudinal section through 1 with the circuit board arranged underneath,
Fig. 3
a second embodiment of the angle connector according to the invention in a perspective view,
Fig. 4
in vertical longitudinal section as well
Fig. 5
in top view and
Fig. 6
a third embodiment of the angle connector according to the invention.

Wie aus Fig. 1 und 2 der Zeichnung ersichtlich, weist das dargestellte Winkelverbindungselement ein im wesentlichen würfelförmiges Gehäuse 1 auf, in dem sich ein Koaxialanschluß 2 befindet. Der Koaxialanschluß 2 besteht aus einer mittig im Gehäuse 1 angeordneten, horizontalen gestuften Koaxialbohrung 3, in die mittig ein horizontales koaxialstrukturseitiges Anschlußteil 4 in Form eines Stiftes ragt. Der Koaxialanschluß 2 ist zur Rückseite 5 des Gehäuses 1 hin offen. Wenn daher von dort ein bekannter Koaxialstecker in die Koaxialbohrung 3 eingeführt wird, wird der Innenleiter des Koaxialsteckers mit dem Stift 4 kontaktiert.As can be seen from FIGS. 1 and 2 of the drawing, the angular connecting element shown has an essentially cube-shaped housing 1, in which a coaxial connection 2 is located. The coaxial connector 2 consists of a horizontally stepped coaxial bore 3 arranged in the center of the housing 1, into which a horizontal connector part 4 in the form of a pin projects in the center. The coaxial connector 2 is open to the rear 5 of the housing 1. Therefore, if a known coaxial connector is inserted into the coaxial bore 3 from there, the inner conductor of the coaxial connector is contacted with the pin 4.

An seiner Vorderseite 6 weist das Gehäuse 1 eine Vertiefung 7 auf, in die ein vertikal ausgerichtetes, plattenförmiges Substrat 8 eingelegt ist. Auf dem Substrat 8 ist ein planares leiterbahnförmiges Anschlußteil 9 aufgebracht, das sich von einem Bereich, der in der Nähe des Bodens 10 des Gehäuses 1 liegt, vertikal nach oben bis zum Stift 4 erstreckt.On its front side 6, the housing 1 has a recess 7, into which a vertically aligned, plate-shaped substrate 8 is inserted. A planar connecting element 9 in the form of a conductor track is applied to the substrate 8 and extends vertically up to the pin 4 from a region which is in the vicinity of the bottom 10 of the housing 1.

Der Stift 4 des Koaxialanschlusses 2 ist durch eine horizontale Bohrung 11 des Substrats 8 hindurchgeführt und steht mit dem planaren Anschlußteil 9 in Verbindung.The pin 4 of the coaxial connection 2 is passed through a horizontal bore 11 of the substrate 8 and is connected to the planar connection part 9.

Das Substrat 8 wird an denjenigen Stellen, die nicht vom planaren Anschlußteil 9 belegt sind, von einem Deckel 12 abgedeckt.The substrate 8 is covered by a cover 12 at those points which are not occupied by the planar connecting part 9.

Das planare Anschlußteil 9 und das vorzugsweise aus Polytetrafluoräthylen (Teflon) bestehende Substrat 8 bilden einen planaren Wellenleiter.The planar connecting part 9 and the substrate 8, which preferably consists of polytetrafluoroethylene (Teflon), form a planar waveguide.

Aus Fig. 2 geht hervor, daß bei der dargestellten Ausführungsform nur eine koplanare Wellenleitung stattfindet, wobei der untere Teil 13 des Gehäuses 1 einen geringfügigen Abstand zum Substrat 8 aufweist. Würde man das Gehäuse 1 symmetrisch ausführen, d.h., daß das untere Gehäuseteil 13 an das Substrat 8 anschließt, könnte entweder eine Tri-Plate-Leitung oder eine Mikrostreifenleitung dimensioniert werden.2 that only one coplanar waveguide takes place in the embodiment shown, the lower part 13 of the housing 1 being at a slight distance from the substrate 8. If the housing 1 were designed symmetrically, i.e. that the lower housing part 13 connects to the substrate 8, either a tri-plate line or a microstrip line could be dimensioned.

Das in Fig. 2 gezeigte Winkelverbindungselement ist derart ausgebildet, daß es auf eine planare Struktur in Form einer Leiterplatte 14 aufgesetzt werden kann. Der planare Wellenleiter 9 liegt im montierten Zustand des Winkelverbindungselements stirnseitig auf einer Leiterbahn 15 der Leiterplatte 14 auf und ist mit der Leiterbahn 15 mittels einer Lötverbindung 16 verbunden. Das Substrat 8 erstreckt sich dagegen nicht vollständig bis zur Leiterbahn 15, so daß ein in Fig. 2 gezeigter Freiraum 23 verbleibt, in den die Leiterbahn 15 vorstehen kann.The angle connection element shown in FIG. 2 is designed such that it can be placed on a planar structure in the form of a printed circuit board 14. The planar waveguide 9 lies in the assembled state of the angular connection element on the end face on a conductor 15 of the circuit board 14 and is connected to the conductor 15 by means of a soldered connection 16. The substrate 8, however, does not extend completely to the conductor track 15, so that a free space 23 shown in FIG. 2 remains, into which the conductor track 15 can protrude.

Von Bedeutung ist, daß der planare Anschluß des Winkelverbindungselements, d.h. der Wellenleiter 9 und das darunter liegende Substrat 8, gemäß den Richtlinien einer planaren Leitung realisiert wird. Beispiele hierfür sind Mikrostreifenleitungen, koplanare Leitungen oder Tri-Plate-Leitungen.Importantly, the planar connection of the angle connector, i.e. the waveguide 9 and the underlying substrate 8 is realized according to the guidelines of a planar line. Examples of these are microstrip lines, coplanar lines or tri-plate lines.

Bei der abgewandelten Ausführungsform des Winkelverbindungselements gemäß Fig. 3 bis 5 ist der Koaxialanschluß 2' vertikal angeordnet, d.h. daß ein (nicht gezeigter) Koaxialstecker in vertikaler Richtung zu einer (nicht gezeigten) Leiterplatte auf den Koaxialanschluß 2' aufgesteckt werden kann.3 to 5, the coaxial connection 2 'is arranged vertically, ie that a (not shown) coaxial connector in the vertical direction to a (not shown) circuit board can be plugged onto the coaxial connection 2 '.

Das Gehäuse 1' weist ein vertikales, hohlzylinderförmiges Teil 18' auf, an dessen Außenumfang ein Außengewinde 17' zum Sichern des Koaxialsteckers vorgesehen ist.The housing 1 'has a vertical, hollow cylindrical part 18', on the outer circumference of which an external thread 17 'is provided to secure the coaxial connector.

Der vertikale Teil 18' des Gehäuses 1' geht in einen Abschnitt 19' über, welcher in einem spitzen Winkel zur horizontalen Ebene angeordnet ist. Dieser Abschnitt 19' bildet somit eine im wesentlichen liegende Röhre, in welcher der planarstrukturseitige Anschlußteil 9' des Wellenleiters verläuft. Der radiale Abstand R1 zwischen dem vorderen Ende des planarstrukturseitigen Anschlußteils 9' und dem Abschnitt 19' des Gehäuses 1' ist geringer als der radiale Abstand R2 zwischen dem planarstrukturseitigen Anschlußteil 9' und dem Gehäuse 1' im Bereich des Übergangs zum hohlzylinderförmigen Teil 18'. Die geometrische Auslegung der Abstände R1, R2 und eines Winkels φ zwischen dem planarstrukturseitigen Anschlußteil 9' und der horizontalen Ebene werden so optimiert, daß im gesamten Bereich des Winkelverbindungselements eine Anpassung der elektromagnetischen Welle gegeben ist.The vertical part 18 'of the housing 1' merges into a section 19 'which is arranged at an acute angle to the horizontal plane. This section 19 'thus forms an essentially lying tube in which the planar structure-side connection part 9' of the waveguide runs. The radial distance R1 between the front end of the planar structure-side connection part 9 'and the section 19' of the housing 1 'is less than the radial distance R2 between the planar structure-side connection part 9' and the housing 1 'in the region of the transition to the hollow cylindrical part 18'. The geometrical design of the distances R1, R2 and an angle φ between the planar structure-side connection part 9 'and the horizontal plane are optimized so that an adaptation of the electromagnetic wave is given in the entire area of the angle connecting element.

Bei dieser Ausführungsform ist sowohl der koaxiale Innenleiter 4' als auch das planarstrukturseitige Anschlußteil 9' gemäß den Richtlinien einer koaxialen Leitung ausgebildet, die sich impedanzkontrolliert verengt.In this embodiment, both the coaxial inner conductor 4 'and the planar structure-side connecting part 9' are designed in accordance with the guidelines of a coaxial line which narrows in an impedance-controlled manner.

Wird das in den Fig. 3 bis 5 dargestellte Winkelverbindungselement an einer Meßvorrichtung angebracht und als Meßspitze verwendet, ist das freie Ende des planarstrukturseitigen Anschlußteils 9' derart angeordnet, daß es lediglich durch Andrücken des Winkelverbindungselements auf eine Leiterbahn mit dieser in Kontakt gelangt. Zweckmäßigerweise steht hierfür das Ende des planarstrukturseitigen Anschlußteils 9' etwas über das Gehäuse 1' vor und weist einen abgeflachten Kontaktbereich 20' auf seiner Unterseite auf.If the angled connecting element shown in FIGS. 3 to 5 is attached to a measuring device and used as a measuring tip, the free end of the planar structure-side connecting part 9 'is arranged such that it only comes into contact with a conductor track by pressing the angled connecting element. The end of the connecting part on the planar structure expediently stands for this 9 'slightly above the housing 1' and has a flattened contact area 20 'on its underside.

Beim Einsatz des Winkelverbindungselements als Winkelstecker kann es zweckmäßig sein, im Bodenbereich seitlich überstehende Fußlaschen 21' vorzusehen, welche geeignete Bohrungen zum Durchführen eines Befestigungselements aufweisen können.When using the angled connecting element as an angled plug, it can be expedient to provide foot tabs 21 'which protrude laterally in the base area and which can have suitable bores for carrying out a fastening element.

Zwischen dem Koaxialinnenleiter 4' bzw. dem koaxialstrukturseitigen Anschlußteil 4' und dem Gehäuse 1' kann weiterhin eine dielektrische Füllmasse 22' vorgesehen sein, die auch durch eine sog. Stütze ersetzt werden kann.A dielectric filler compound 22 'can also be provided between the coaxial inner conductor 4' or the connection part 4 'on the coaxial structure side and the housing 1', which can also be replaced by a so-called support.

Die dritte Ausführungsform des Winkelverbindungselements gemäß Fig. 6 unterscheidet sich von derjenigen gemäß Fig. 3 bis 5 dadurch, daß der vertikale hohlzylinderförmige Teil 18' des Gehäuses 1' an seinem freien Endbereich nochmals in horizontaler Richtung abgebogen ist, so daß der Koaxialanschluß im wesentlichen horizontal verläuft, d.h., daß ein Koaxialstecker im wesentlichen parallel zu einer Leiterplatte eingesteckt werden kann.The third embodiment of the angle connection element according to FIG. 6 differs from that according to FIGS. 3 to 5 in that the vertical hollow cylindrical part 18 'of the housing 1' is bent again at its free end region in the horizontal direction, so that the coaxial connection is essentially horizontal runs, ie that a coaxial connector can be plugged in substantially parallel to a circuit board.

Claims (17)

Winkelverbindungselement zur elektrischen Verbindung einer planaren Struktur mit einer Koaxialstruktur, mit einem planarstrukturseitigen Anschlußteil (9), das mit mindestens einer planaren Leiterbahn (15) in Kontakt bringbar ist, und mit einem zu diesem Anschlußteil (9) in einem bestimmten Winkel angeordneten koaxialstrukturseitigen Anschlußteil (4), das mit einer Koaxialleitung verbindbar ist, dadurch gekennzeichnet,
daß das planarstrukturseitige Anschlußteil (9) als planarer Wellenleiter ausgebildet ist, der innerhalb des Außenumfangs des Winkelverbindungselements mit dem koaxialstrukturseitigen Anschlußteil (4) verbunden ist.Angular connection element for the electrical connection of a planar structure to a coaxial structure, with a connection part (9) on the planar structure side, which can be brought into contact with at least one planar conductor track (15), and with a connection part (4) which is arranged at a certain angle to this connection part (9) and which can be connected to a coaxial line, characterized,
that the planar structure-side connector (9) is designed as a planar waveguide, which is connected within the outer circumference of the angle connecting element to the coaxial structure-side connector (4). Winkelverbindungselement nach Anspruch 1, dadurch gekennzeichnet, daß das planarstrukturseitige Anschlußteil (9) senkrecht zur planaren Struktur (14) angeordnet ist.Angle connecting element according to claim 1, characterized in that the connection part (9) on the planar structure side is arranged perpendicular to the planar structure (14). Winkelverbindungselement nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das planarstrukturseitige Anschlußteil (9) stirnseitig auf die planare Struktur (14) aufsetzbar ist.Angular connection element according to claim 1 or 2, characterized in that the connection part (9) on the planar structure side can be placed on the end face of the planar structure (14). Winkelverbindungselement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das planarstrukturseitige Anschlußteil (9) auf einem Substrat (8), insbesondere Polytetrafluoräthylen, aufgebracht ist.Angle connecting element according to one of the preceding claims, characterized in that the connection part (9) on the planar structure side is applied to a substrate (8), in particular polytetrafluoroethylene. Winkelverbindungselement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das planarstrukturseitige Anschlußteil (9) senkrecht zum koaxialstrukturseitigen Anschlußteil (4) angeordnet ist.Angle connecting element according to one of the preceding claims, characterized in that the planar structure side Connection part (9) is arranged perpendicular to the coaxial structure-side connection part (4). Winkelverbindungselement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das planarstrukturseitige Anschlußteil (9) zumindest an der Kontaktierungsstelle im wesentlichen die gleiche Breite wie die Leiterbahn (15) aufweist.Angle connecting element according to one of the preceding claims, characterized in that the connection part (9) on the planar structure side has essentially the same width as the conductor track (15) at least at the contact point. Winkelverbindungselement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das planarstrukturseitige Anschlußteil (9) innerhalb der Außenkontur eines Gehäuses (1) des Winkelverbindungselements verläuft.Angled connecting element according to one of the preceding claims, characterized in that the connecting part (9) on the planar structure side runs within the outer contour of a housing (1) of the angled connecting element. Winkelverbindungselement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das planarstrukturseitige Anschlußteil (9) als Mikrostreifenleitung , Tri-Plate-Leitung oder koplanare Leitung ausgebildet ist.Angle connecting element according to one of the preceding claims, characterized in that the connection part (9) on the planar structure side is designed as a microstrip line, tri-plate line or coplanar line. Winkelverbindungselement zur elektrischen Verbindung einer planaren Struktur mit einer Koaxialstruktur, mit einem planarstrukturseitigen Anschlußteil (9'), das mit mindestens einer planaren Leiterbahn (15) in Kontakt bringbar ist, und mit einem zu diesem Anschlußteil (9') in einem bestimmten Winkel angeordneten koaxialstrukturseitigen Anschlußteil (4'), das mit einer Koaxialleitung verbindbar ist, dadurch gekennzeichnet,
daß das planarstrukturseitige Anschlußteil (9') als koaxialer Wellenleiter ausgebildet ist, der innerhalb des Außenumfangs des Winkelelements mit dem koaxialstrukturseitigen Anschlußteil (4') verbunden und von einem Gehäuse (1') umgeben ist, dessen radialer Abstand (R1, R2) zum planarstrukturseitigen Anschlußteil (9') sich in Richtung des koaxialstrukturseitigen Anschlußteils (4') verringert.Angular connection element for the electrical connection of a planar structure to a coaxial structure, with a connection part (9 ') on the planar structure side, which can be brought into contact with at least one planar conductor track (15), and with a connection part (4 ') which is arranged at a certain angle to this connection part (9') and which can be connected to a coaxial line, characterized,
that the planar structure-side connector (9 ') is designed as a coaxial waveguide, which is connected within the outer circumference of the angle element with the coaxial structure-side connector (4') and surrounded by a housing (1 '), the radial distance (R1, R2) to the planar structure Connection part (9 ') decreases in the direction of the coaxial structure-side connection part (4'). Winkelverbindungselement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das koaxialstrukturseitige Anschlußteil (4, 4') parallel zur planaren Struktur (14) angeordnet ist.Angle connecting element according to one of the preceding claims, characterized in that the connection part (4, 4 ') on the coaxial structure side is arranged parallel to the planar structure (14). Winkelverbindungselement nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß das koaxialstrukturseitige Anschlußteil (4') vertikal zur Planarstruktur (14) angeordnet ist.Angle connecting element according to one of claims 1 to 9, characterized in that the coaxial structure-side connection part (4 ') is arranged vertically to the planar structure (14). Winkelverbindungselement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß am koaxialstrukturseitigen Endbereich ein Schraub- oder Klemmanschluß (17') zur Befestigung der Koaxialleitung vorgesehen ist.Angle connection element according to one of the preceding claims, characterized in that a screw or clamp connection (17 ') is provided on the end region on the coaxial structure for fastening the coaxial line. Winkelverbindungselement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das planarstrukturseitige Anschlußteil (9, 9') als auf die Leiterbahn (15) aufsetzbare Meßspitze ausgebildet ist.Angle connecting element according to one of the preceding claims, characterized in that the connecting part (9, 9 ') on the planar structure side is designed as a measuring tip which can be placed on the conductor track (15). Winkelverbindungselement nach Anspruch 13, dadurch gekennzeichnet, daß die Meßspitze ein Ende mit einem abgeflachten Kontaktbereich (20') aufweist.Angle connecting element according to claim 13, characterized in that the measuring tip has an end with a flattened contact area (20 '). Winkelverbindungselement nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß das Ende der Meßspitze über das Gehäuse (1') des Winkelverbindungselements vorsteht.Angled connection element according to claim 13 or 14, characterized in that the end of the measuring tip protrudes beyond the housing (1 ') of the angled connection element. Winkelverbindungselement nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß Fußlaschen (21') zur Befestigung des Winkelverbindungselements an der Planarstruktur (14) vorgesehen sind.Angled connection element according to one of the preceding claims, characterized in that foot straps (21 ') are provided for fastening the angled connection element to the planar structure (14). Verwendung des Winkelverbindungselements gemäß den Ansprüchen 1 bis 15 als Kopfteil einer Meßvorrichtung zur Messung elektrischer Eigenschaften der Planarstruktur (14).Use of the angle connection element according to claims 1 to 15 as a head part of a measuring device for measuring electrical properties of the planar structure (14).
EP96116723A 1995-10-31 1996-10-17 Angled connector Expired - Lifetime EP0772253B1 (en)

Applications Claiming Priority (2)

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DE19540614A DE19540614C2 (en) 1995-10-31 1995-10-31 Component for electrically connecting a planar structure to a coaxial structure
DE19540614 1995-10-31

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EP0772253A1 true EP0772253A1 (en) 1997-05-07
EP0772253B1 EP0772253B1 (en) 2000-06-28

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US (1) US5853295A (en)
EP (1) EP0772253B1 (en)
AT (1) ATE194252T1 (en)
DE (2) DE19540614C2 (en)
DK (1) DK0772253T3 (en)
ES (1) ES2148653T3 (en)
PT (1) PT772253E (en)

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Also Published As

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US5853295A (en) 1998-12-29
ATE194252T1 (en) 2000-07-15
DE19540614C2 (en) 1999-05-27
DE19540614A1 (en) 1997-05-07
PT772253E (en) 2000-12-29
ES2148653T3 (en) 2000-10-16
DK0772253T3 (en) 2000-11-06
EP0772253B1 (en) 2000-06-28
DE59605493D1 (en) 2000-08-03

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