EP0489252B1 - Coupling device for a coaxial line system - Google Patents
Coupling device for a coaxial line system Download PDFInfo
- Publication number
- EP0489252B1 EP0489252B1 EP91118034A EP91118034A EP0489252B1 EP 0489252 B1 EP0489252 B1 EP 0489252B1 EP 91118034 A EP91118034 A EP 91118034A EP 91118034 A EP91118034 A EP 91118034A EP 0489252 B1 EP0489252 B1 EP 0489252B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coaxial wire
- inner conductor
- coaxial
- pin
- conductor
- 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.)
- Expired - Lifetime
Links
- 230000008878 coupling Effects 0.000 title description 15
- 238000010168 coupling process Methods 0.000 title description 15
- 238000005859 coupling reaction Methods 0.000 title description 15
- 239000004020 conductor Substances 0.000 claims description 37
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/04—Fixed joints
- H01P1/045—Coaxial joints
-
- 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
- H01R9/0503—Connection between two cable ends
Definitions
- the invention relates to a coupling device for a coaxial line system, which consists of lines running in one plane, which are formed from outer conductors with a square or rectangular cross section, in which inner conductors with a rectangular cross section are mounted with the aid of dielectric supports.
- the coupling device serves for the transmission of electromagnetic energy from a first coaxial conductor 1 into the second coaxial conductor 2 arranged underneath.
- the outer wall of the first coaxial conductor 1 is formed by a recess in a housing 13, which is covered by a wall-like plate 3.
- the second coaxial conductor 2 is embedded in the housing 14.
- a coupling opening 4 is provided, the center line 16 of which is approximately half the transverse dimension from the short circuits 6, 9 of the respective coaxial conductors 1 , 2 .
- the inner conductors 5, 7 of the coaxial conductors 1 , 2 extend somewhat beyond the center of the coupling opening 4 in the direction of the respective short circuit 6, 9.
- the short circuits can be designed as a plane or as a curved wall.
- a pin 8 is attached to the inner conductor 5 of the first coaxial conductor 1 and extends through the coupling opening 4 into the inner conductor 7 of the second coaxial conductor 2 .
- a sleeve 10, which is attached to the inner conductor 7 of the second coaxial conductor 2 is pushed contactlessly over this pin 8.
- a narrow air gap 15 is provided between pin 8 and sleeve, which serves to compensate for the different temperature-related longitudinal expansions.
- the pin 8 is advantageously covered with a thin insulator, for example made of the plastic known under the trademark Teflon.
- the sleeve 10 extends from the inner conductor 7 of the second coaxial conductor 2 to close to the inner conductor 5 of the first coaxial conductor 1 , but without touching it.
- the The diameter of the coupling opening 4 varies in relation to the outer diameter of the sleeve 10.
- the pin 8 and the sleeve 10 can be guided through the inner conductor 7 of the second coaxial conductor 2 and extend a little further.
- 9 steps 12 can be provided in the outer wall in the area of the short circuit.
- the width of the rectangular inner conductor 5 and / or 7 in the area of the coupling device 8, 10 can be reduced or enlarged.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
Description
Die Erfindung betrifft eine Kopplungsvorrichtung für ein Koaxialleitungssystem, welches aus jeweils in einer Ebene verlaufenden Leitungszügen besteht, die aus Außenleitern mit quadratischen oder rechteckigen Querschnitt gebildet werden, in denen mit Hilfe dielektrischer Stützen Innenleiter mit Rechteckquerschnitt gelagert sind.The invention relates to a coupling device for a coaxial line system, which consists of lines running in one plane, which are formed from outer conductors with a square or rectangular cross section, in which inner conductors with a rectangular cross section are mounted with the aid of dielectric supports.
Aus der DE-PS 27 01 228 ist ein Koaxialleitungssystem bekannt geworden, das aus in einer Grundplatte eingelassenen Außenleiterzügen mit quadratischem oder rechteckigem Querschnitt besteht, in denen ein rechteckiger Innenleiter mittels dielektrischer Stützen gelagert ist. Die Grundplatte ist dabei mit einer ebenen Abdeckplatte verschlossen. Eine besondere Ausführungsform einer Kopplungsvorrichtung ist jedoch nicht angegeben.From DE-PS 27 01 228 a coaxial line system has become known which consists of outer conductor runs with a square or rectangular cross section embedded in a base plate, in which a rectangular inner conductor is mounted by means of dielectric supports. The base plate is closed with a flat cover plate. However, a special embodiment of a coupling device is not specified.
Es ist bisher üblich gewesen, die Kopplungsvorrichtung mit Hilfe starr verschraubter Teile auszuführen. Diese Vorrichtung beinhaltet jedoch den Nachteil einer starken mechanischen Beanspruchung infolge Ausdehnung bei thermischer Beanspruchung. Eine andere Ausführungsform mit federnden Steckkontakten weist den Nachteil der Erzeugung von passiven Intermodulationsprodukten auf.It has so far been customary to design the coupling device with the aid of rigidly screwed parts. However, this device has the disadvantage of a strong mechanical stress due to expansion under thermal stress. Another embodiment with resilient plug contacts has the disadvantage of generating passive intermodulation products.
Es ist deshalb Aufgabe der Erfindung, eine verlustarme Kopplungsvorrichtung für derartige Koaxialleitersysteme, insbesondere zur Verkopplung von zwei in übereinander liegenden Ebenen angeodneten Leitungszügen anzugeben, die zudem noch temperaturbedingte Differenzen ausgleichen kann.It is therefore an object of the invention to provide a low-loss coupling device for such coaxial conductor systems, in particular for coupling two lines of cables arranged in superimposed levels, which can also compensate for temperature-related differences.
Diese Aufgabe wird erfindungsgemäß durch die im kennzeichnenden Teil des Hauptanspruches wiedergegebenen Merkmale gelöst. Vorteilhafte Ausgestaltungsformen sind in den kennzeichnenden Teilen der Unteransprüche angegeben.This object is achieved by the features set out in the characterizing part of the main claim. Advantageous embodiments are specified in the characterizing parts of the subclaims.
Der besondere Vorteil der erfindungsgemäßen Kopplungsvorrichtung ist darin zu sehen, daß die oben genannten Nachteile der bisher verwendeten Kopplungsvorrichtungen vermieden werden und daß die Kompensation von unterschiedlichen Längenausdehnungen infolge eines Temperaturgradienten zwischen Innen- und Außenleiter oder aufgrund unterschiedlicher Ausdehnungskoeffizienten der Materialen möglich ist.The particular advantage of the coupling device according to the invention can be seen in the fact that the above-mentioned disadvantages of the coupling devices previously used are avoided and that the compensation of different linear expansions due to a temperature gradient between the inner and outer conductors or due to different expansion coefficients of the materials is possible.
Ein Ausführungsbeispiel der Erfindung ist in der einzigen Figur dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is shown in the single figure and is described in more detail below.
Die Kopplungsvorrichtung dient zur Übertragung elektromagnetischer Energie von einem ersten Koaxialleiter 1 in den darunter angeordneten zweiten Koaxialleiter 2. Die Außenwand des ersten Koaxialleiters 1 wird durch eine Ausnehmung in einem Gehäuse 13 gebildet, welche durch eine wandartige Platte 3 abgedeckt ist. Auf die gleiche Weise ist der zweite Koaxialleiter 2 im Gehäuse 14 eingelassen. In der gemeinsamen durch die Platte 3 gebildeten Wand ist eine Kopplungsöffnung 4 vorgesehen, deren Mittellinie 16 etwa die halbe Querabmessung von den Kurzschlüssen 6, 9 der jeweiligen Koaxialleiter 1, 2 entfernt ist. Die Innenleiter 5, 7 der Koaxialleiter 1, 2 erstrecken sich noch etwas über die Mitte der Koppelöffnung 4 hinaus in Richtung zum jeweiligen Kurzschluß 6, 9. Die Kurzschlüsse können dabei als Ebene oder als gekrümmte Wand ausgeführt sein.The coupling device serves for the transmission of electromagnetic energy from a first
In Höhe der Mittellinie 14 ist am Innenleiter 5 des ersten Koaxialleiters 1 ein Stift 8 befestigt, der sich durch die Koppelöffnung 4 hindurch bis in den Innenleiter 7 des zweiten Koaxialleiters 2 erstreckt. Über diesen Stift 8 ist kontaktlos eine Hülse 10 geschoben, die am Innenleiter 7 des zweiten Koaxialleiters 2 befestigt ist. Zwischen Stift 8 und Hülse ist ein schmaler Luftspalt 15 vorgesehen, der zum Ausgleich der unterschiedlichen temperaturbedingten Längsausdehnungen dient. Vorteilhafterweise ist der Stift 8 mit einem dünnen Isolator, beispielsweise aus dem unter dem Warenzeichennamen Teflon bekannten Kunststoff, überzogen. Die Hülse 10 erstreckt sich vom Innenleiter 7 des zweiten Koaxialleiters 2 bis nahe zum Innenleiter 5 des ersten Koaxialleiters 1, ohne diesen jedoch zu berühren.At the level of the
Im Bereich der Kopplungsvorrichtung können verschiedene Maßnahmen zur Optimierung der Anpassung vorgenommen werden. Zum einen läßt sich der Durchmesser der Koppelöffnung 4 im Verhältnis zum Außendurchmesser der Hülse 10 variieren. Zum anderen können Stift 8 und Hülse 10 durch den Innenleiter 7 des zweiten Koaxialleiters 2 hindurch geführt sein und sich noch ein Stück darüber hinaus erstrecken. Schließlich können im Bereich des Kurzschlusses 9 Stufen 12 in der Außenwand vorgesehen sein. Außerdem kann die Breite des rechteckigen Innenleiters 5 und/oder 7 im Bereich der Kopplungsvorrichtung 8, 10 vermindert oder vergrößert sein.Various measures for optimizing the adaptation can be carried out in the area of the coupling device. On the one hand, the The diameter of the coupling opening 4 varies in relation to the outer diameter of the
Claims (5)
- A connector for a coaxial wire system, comprising conducting lines, which extend in a respective plane and which are formed by outer conductors of square or rectangular cross-section in which are fitted, with the aid of dielectric supports, inner conductors of rectangular cross-section, characterised by the following features:a) two respectively stacked coaxial wires (1, 2) are interconnected at their mutual wall (3) via a connecting aperture (4);b) on the inner conductor (5) of the first coaxial wire (1) is placed, at a distance of approximately half the outer conductor width, from one connecting end (6) which seals the coaxial wire (1), a pin (8) which extends through the connecting aperture (4) to the inner conductor (7) of the second coaxial wire (2);c) on the inner conductor (7) of the second coaxial wire (2) is attached at a distance of approximately half the outer conductor width from the connecting end (9) of the second coaxial wire (2) a sleeve (10), which is pushed contactfree over the pin (8) and which extends virtually up to the inner conductor (5) of the first coaxial wire (1).
- A connector according to claim 1, characterised in that in insulator (11) is fitted between the pin (8) and the sleeve (10).
- A connector according to claim 1 or 2, characterised in that the pin (8) and the sleeve (10) are extended on the inner conductor (7) of the second coaxial wire (2) through the inner conductor (7) and beyond.
- A connector according to one of claims 1 to 3, characterised in that an adaptor device (12) is provided in the region of the connecting ends (6, 9) of the first or the second coaxial wire (1, 2).
- A connector according to one of claims 1 to 4, characterised in that the cross-section of one or both inner conductors (5, 7) can be varied depending on requirements for adaptation in the region of the connector (8, 10).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4038817 | 1990-12-05 | ||
DE4038817A DE4038817C1 (en) | 1990-12-05 | 1990-12-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0489252A1 EP0489252A1 (en) | 1992-06-10 |
EP0489252B1 true EP0489252B1 (en) | 1995-01-11 |
Family
ID=6419663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91118034A Expired - Lifetime EP0489252B1 (en) | 1990-12-05 | 1991-10-23 | Coupling device for a coaxial line system |
Country Status (5)
Country | Link |
---|---|
US (1) | US5156559A (en) |
EP (1) | EP0489252B1 (en) |
CA (1) | CA2057127C (en) |
DE (2) | DE4038817C1 (en) |
ES (1) | ES2069797T3 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29818848U1 (en) * | 1998-01-30 | 1999-01-07 | Daimler-Benz Aktiengesellschaft, 70567 Stuttgart | Waveguide radiator |
US6922174B2 (en) | 2003-06-26 | 2005-07-26 | Kathrein-Werke Kg | Mobile radio antenna for a base station |
DE10328880B4 (en) * | 2003-06-26 | 2007-08-30 | Kathrein-Werke Kg | Mobile antenna of a base station |
EP3217470B1 (en) * | 2016-03-08 | 2019-10-16 | Huawei Technologies Co., Ltd. | Conductor coupling arrangement for coupling conductors |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB566852A (en) * | 1942-03-16 | 1945-01-17 | Bruno Patents Inc | Improvements in or relating to co-axial transmission line joint and method of makingsame |
GB706397A (en) * | 1953-02-06 | 1954-03-31 | Marconi Wireless Telegraph Co | Improvements in or relating to transmission lines of the co-axial type for use on high frequencies |
DE2434144C3 (en) * | 1974-07-16 | 1980-03-13 | Georg Dipl.-Ing. Dr.-Ing. 8152 Feldkirchen-Westerham Spinner | Coaxial directional coupler with adjustable coupling attenuation |
US4049902A (en) * | 1975-11-24 | 1977-09-20 | Hughes Aircraft Company | Connector for coaxial cables |
DE2701228C2 (en) * | 1977-01-13 | 1978-09-07 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Coaxial line system |
US4691976A (en) * | 1986-02-19 | 1987-09-08 | Lrc Electronics, Inc. | Coaxial cable tap connector |
US4841261A (en) * | 1987-09-01 | 1989-06-20 | Augustin Eugene P | Microwave rotary junction with external rotary energy coupling |
US4850985A (en) * | 1988-08-01 | 1989-07-25 | E. R. Squibb & Sons, Inc. | Ostomy system utilizing a split ring to engage a two element coupling assembly |
US5001443A (en) * | 1990-02-02 | 1991-03-19 | At&T Bell Laboratories | Coaxial-waveguide assemblages |
-
1990
- 1990-12-05 DE DE4038817A patent/DE4038817C1/de not_active Expired - Lifetime
-
1991
- 1991-10-23 EP EP91118034A patent/EP0489252B1/en not_active Expired - Lifetime
- 1991-10-23 ES ES91118034T patent/ES2069797T3/en not_active Expired - Lifetime
- 1991-10-23 DE DE59104246T patent/DE59104246D1/en not_active Expired - Lifetime
- 1991-12-02 US US07/801,468 patent/US5156559A/en not_active Expired - Lifetime
- 1991-12-05 CA CA002057127A patent/CA2057127C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0489252A1 (en) | 1992-06-10 |
DE4038817C1 (en) | 1992-05-07 |
DE59104246D1 (en) | 1995-02-23 |
ES2069797T3 (en) | 1995-05-16 |
CA2057127A1 (en) | 1992-06-06 |
US5156559A (en) | 1992-10-20 |
CA2057127C (en) | 1996-01-09 |
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