EP0128686A1 - Hohlleiterverbindungsvorrichtung - Google Patents

Hohlleiterverbindungsvorrichtung Download PDF

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Publication number
EP0128686A1
EP0128686A1 EP84303543A EP84303543A EP0128686A1 EP 0128686 A1 EP0128686 A1 EP 0128686A1 EP 84303543 A EP84303543 A EP 84303543A EP 84303543 A EP84303543 A EP 84303543A EP 0128686 A1 EP0128686 A1 EP 0128686A1
Authority
EP
European Patent Office
Prior art keywords
connector
waveguide
parts
rack
mating
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
EP84303543A
Other languages
English (en)
French (fr)
Other versions
EP0128686B1 (de
Inventor
Martin Leslie Da Costa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of EP0128686A1 publication Critical patent/EP0128686A1/de
Application granted granted Critical
Publication of EP0128686B1 publication Critical patent/EP0128686B1/de
Expired legal-status Critical Current

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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
    • H01P1/042—Hollow waveguide joints

Definitions

  • the present invention relates to the connection and disconnection of waveguides and is particularly concerned with microwave interfaces on items of equipment which need to be rapidly connected and disconnected, such as radar and other military equipment.
  • detachable waveguide connections have generally been made by bolting together flanged mating surfaces of the waveguides. This procedure which generally involves the tightening or untightening of a number of nuts and bolts, is time consuming and awkward, particularly when the connection is not easily accessible. However, it has hitherto been believed that a tight bolted flange connection is necessary in order to ensure low power losses at the mating interface and to ensure that dirt and moisture are excluded.
  • U.S. patent specification No.2,928,059 discloses a two-part waveguide coupling comprising two mating flanges incorporating respective registering waveguide sections. When mated, the flanges are relatively located in the lateral direction by short dowel pins projecting from one flange into corresponding apertures in the other. When separated, one flange is rigidly supported and the other is weakly held on a resilient pad against the outside of a wall of an equipment casing by the cantilever action of a U-shaped continuation of its associated waveguide, which extends from inside said casing to the flange through a large aperture in said wall.
  • This flange and its associated pad therefore has limited sliding freedom of movement over the outside of said wall, and is also tilted outwards in one edge by its associated supporting U-section of waveguide.
  • the flanges are initially aligned by tapered and counterwunk portions of the dowel ends and associted apertures respectively; the outwardly tilting flange is then forced back against the cantilever action of the U-section of waveguide until it is parallel with the other flange and then the mating faces of the flanges abut one another and are resiliently held together by the reactive force of the resilient pad and the U-section of waveguide.
  • the angular deflection of the pad-mounted flange (which is not constrained to slide in the axial direction) and the direction of the reactive force of the associated U-section of waveguide (which is in general non-perpendicular to the flange interface) ensure that the compressive force holding the faces of the flanges together generally varies around their circumference. Accordingly severe problems in flange face abutment are liable to arise, with consequent microwave losses at the flange interface.
  • the dowel pins (which are necessarily short in view of the initial angular misalignment of the flange) do not provide any appreciable angular alignment of the flanges sufficient to even out the abutment force around the circumference of the mating interface.
  • a two-part slidably detachable waveguide connector provided on one part with a first waveguide portion biassed away from said part by spring means and on the other part with a second waveguide portion arranged to mate with said first waveguide portion is characterised in that said first waveguide portion is mounted for sliding movement in the axial direction on said one part and in that a tubular outer sleeve is provided on either part, which sleeve slidably locates said portions and surrounds their mating interface when the connector parts are attached.
  • the axial alightment provided by the outer sleeve ensures that the abutment force acts evenly on the mating waveguide sections. Furthermore the outer sleeve electrically reducees power losses to a suprising extent by its presence around the mating interface.
  • Said connector may be incorporated in an arrangement further comprising guide means distinct from said connector which in use slidably locate the connector parts and align them when they are separated.
  • guide means distinct from said connector which in use slidably locate the connector parts and align them when they are separated.
  • the waveguide portions should be a close sliding fit in the outer sleeve in order to ensure that their mating faces accurately abut one another, and thereby ensure low electrical losses at the interface. Normally any strain on the connector will be taken by the flexible casing of the equipment or the rack.
  • the invention is however also applicable to multiple bayonet connectors as used in military applications, for example.
  • the outwardly biassed waveguide portion is mounted on one (male) part of the connector and the tubular guide is incorporated in the other (female) part of the connector.
  • the connector may incorporate a shutter over the recessed mating surface of the female part of the connector which is opened by a coarse alignment pin on the male connector part when the parts are brought together.
  • One of the mating surfaces may be provided with a groove surrounding the inner surface of the waveguide.
  • the groove acts as a waveguide choke at the connector interface and thereby reduces the mismatch in impedance between the connector parts (which is inherent in all waveguide and transmission line (discontinuities) and hence any power losses which might otherwise occur.
  • the lengths of waveguide connected by the connector will be rectangular in cross section and will need to be rotationally aligned about their common axis.
  • One length of waveguide may be gripped within the tubular guide and the tubular outer sleeve (which may suitably be circular in cross-section) in turn may be aligned by means of a pin mounted on the body of the associated connector part which engages an axial slot in its surface.
  • the bodies of the connector parts may be relatively aligned by means of a dowel pin projecting from one body into a hole in the other.
  • the connector part shown comprises a guide tube 1 integral with a supporting flange 2 and a tubular insert member 3 which is a sliding fit in the guide tube.
  • a rectangular section waveguide 4 is brazed to the inner wall of insert member 3 so as to lie flush with a flat mating surface 9 of the latter.
  • Supporting flange 2 is provided with four holes 5 and tubular insert member 3 is similarly provided with four threaded holes 6 (Figure 2) on its flange portion so that the supporting flange 2 and tubular insert member 3 can be bolted to a common supporting plate (not shown) which is thus clamped between them.
  • Guide tube 1 is provided with a tapered alignment surface 7 to enable the corresponding male part of the connector (shown in Figures 3 and 4) to be inserted into guide tube 1.
  • the corresponding male part of the connector comprises a tubular waveguide portion 10 (Figure 3) provided with a flat mating surface 11.
  • a section of waveguide 12 is brazed to the inside wall of waveguide portion 10 and lies flush with surface 11.
  • a tapered alignment surface 13 is provided on the perimeter of surface 11, enabling waveguide portion 10 to be slid into the guide portion 1 of the female connector part shown in Figures 1 and 2.
  • Waveguide portion 10 is slidingly supported by a supporting flange 14 and biassed outwardly by a spring 15 which acts on a ring 16 which is in turn held in place by a clip 17.
  • Outward movement of waveguide portion 10 is limited by an annular stop 18, and a pin 19 projects into an axial slot 20 to ensure rotational alignment of waveguide portion 10 with flange 14.
  • Figure 5 shows an arrangement incorporating the connector parts of Figures 1, 2 and 3, 4 mounted on the rear of an equipment casing 21 and a vertical member 22 of a rack respectively.
  • Shelves 23 and 24 of the rack co-operate with the casing 21 to guide the two parts of the connector into mating engagement as shown when the equipment is slid into the rack as indicated by arrow A, the extent of this travel being limited by one or more stops 25.
  • Spring 15 acts against frictional engagement between casing 21 and shelf 23 to force mating surfaces 11 and 9 into close contact.
  • Waveguide section 12 need not be particularly flexible but it should be long enough to allow reasonable freedom of movement of waveguide portion 10 in the direction of arrow A. The connection may be broken simply by withdrawing the equipment from the rack in the opposite direction to arrow A. It will be apparent that the invention includes within its scope similar arrangements in which mating surface 9 rather than mating surface 11 is outwardly spring biassed or in which guide tube 1 is integral with waveguide portion 10 and co-operates with a male connector part mounted on the equipment casing
  • Figure 6a shows a connector part comprising a waveguide portion 10 slidably mounted within a guide tube 1.
  • a rectangular section of waveguide 12 is fitted into waveguide portion 10 and is rotationally aligned by a pin 19 which engages a longitudinal slot 20.
  • a guide bushing 25 mounted via a carrier member 26 on guide tube 1 is a sliding fit around waveguide portion 10.
  • a rotatable locking collar 27 is slidably mounted on a carrier 26 and is spring biassed away from the direction of engagement by means not shown.
  • Waveguide portion 10 is provided with a flat mating surface 9 and is biassed outwardly by a spring 15.
  • the corresponding connector part shown in Figure 6b is fixed to an equipment casing 21 (by means not shown) and comprises a tube 28 within which is mounted a waveguide portion 10' from a flange 29.
  • a rectangular waveguide section 12' runs to waveguide portion 10' from the interior of the equipment casing.
  • Dowel pins 30 ensure rotational alignment of the waveguide portion 10 with tube 28.
  • the locking collar 27 is provided with a bayonet slot 31 and tube 28 is provided with a corresponding locking portion 32.
  • the connector parts may be interlocked as shown in Figure 7 by rotating collar 27 to align locking portion 28 with its bayonet slot 31 and then further rotating collar 27 to prevent withdrawal,
  • the connector parts are rotationally aligned relative to each other by longitudinal ribs (not shown) in carrier member 26 which engage in corresponding slots (not shown) in the inside surface of tube 28.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Optical Integrated Circuits (AREA)
  • Waveguide Connection Structure (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
EP19840303543 1983-05-27 1984-05-25 Hohlleiterverbindungsvorrichtung Expired EP0128686B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8314805 1983-05-27
GB8314805 1983-05-27

Publications (2)

Publication Number Publication Date
EP0128686A1 true EP0128686A1 (de) 1984-12-19
EP0128686B1 EP0128686B1 (de) 1988-12-07

Family

ID=10543520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840303543 Expired EP0128686B1 (de) 1983-05-27 1984-05-25 Hohlleiterverbindungsvorrichtung

Country Status (7)

Country Link
EP (1) EP0128686B1 (de)
JP (1) JPS60501485A (de)
AU (1) AU559622B2 (de)
CA (1) CA1218428A (de)
DE (1) DE3475588D1 (de)
GB (1) GB2140977B (de)
WO (1) WO1984004854A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2596584A1 (fr) * 1986-03-28 1987-10-02 Alcatel Thomson Faisceaux Dispositif d'accouplement electrique et mecanique d'un coffret hyperfrequences sur sa source et son support et procede de mise en oeuvre d'un tel dispositif
EP3382792A1 (de) * 2017-03-30 2018-10-03 TE Connectivity Germany GmbH Mikrowellenverbindungsanordnung

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962991A (en) * 1985-01-23 1990-10-16 Raytheon Company Quick-disconnect waveguide connector assembly
US5797255A (en) * 1994-10-14 1998-08-25 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Bobbin changing method and apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2928059A (en) * 1958-01-06 1960-03-08 Itt Waveguide coupling
US3383633A (en) * 1966-05-25 1968-05-14 Navy Usa Automatic quick-opening waveguide closure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4524663Y1 (de) * 1970-02-25 1970-09-28
JPS5311562A (en) * 1976-07-19 1978-02-02 Nippon Telegr & Teleph Corp <Ntt> Waveguide connection structure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2928059A (en) * 1958-01-06 1960-03-08 Itt Waveguide coupling
US3383633A (en) * 1966-05-25 1968-05-14 Navy Usa Automatic quick-opening waveguide closure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2596584A1 (fr) * 1986-03-28 1987-10-02 Alcatel Thomson Faisceaux Dispositif d'accouplement electrique et mecanique d'un coffret hyperfrequences sur sa source et son support et procede de mise en oeuvre d'un tel dispositif
EP0239912A1 (de) * 1986-03-28 1987-10-07 Alcatel Transmission Par Faisceaux Hertziens A.T.F.H. Elektrische und mechanische Kupplungsvorrichtung für einen Hyperfrequenz-Einschub mit seiner Quelle und mit seinem Träger und Verfahren zur Betätigung einer solchen Vorrichtung
US4768006A (en) * 1986-03-28 1988-08-30 Alcatel Thomson Faisceaux Hertziens Electrical and mechanical coupling for coupling a microwave case both to its source and to its support, and a method of using such a coupling
EP3382792A1 (de) * 2017-03-30 2018-10-03 TE Connectivity Germany GmbH Mikrowellenverbindungsanordnung
WO2018178349A1 (en) * 2017-03-30 2018-10-04 Te Connectivity Germany Gmbh Microwave connector assembly
US11158923B2 (en) 2017-03-30 2021-10-26 Te Connectivity Germany Gmbh Dielectric waveguide connector assembly comprising a waveguide ferrule engaged with a waveguide socket using complementary coding members

Also Published As

Publication number Publication date
EP0128686B1 (de) 1988-12-07
JPS60501485A (ja) 1985-09-05
WO1984004854A1 (en) 1984-12-06
AU2968284A (en) 1984-12-18
DE3475588D1 (en) 1989-01-12
CA1218428A (en) 1987-02-24
GB2140977A (en) 1984-12-05
GB2140977B (en) 1986-07-23
GB8413525D0 (en) 1984-07-04
AU559622B2 (en) 1987-03-12

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