EP0951110B1 - Accouplement rotatif HF - Google Patents

Accouplement rotatif HF Download PDF

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Publication number
EP0951110B1
EP0951110B1 EP99107179A EP99107179A EP0951110B1 EP 0951110 B1 EP0951110 B1 EP 0951110B1 EP 99107179 A EP99107179 A EP 99107179A EP 99107179 A EP99107179 A EP 99107179A EP 0951110 B1 EP0951110 B1 EP 0951110B1
Authority
EP
European Patent Office
Prior art keywords
iii
assembly
channel
rotary coupling
coaxial
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
Application number
EP99107179A
Other languages
German (de)
English (en)
Other versions
EP0951110A2 (fr
EP0951110A3 (fr
Inventor
Manfred Dr. Lang
Werner Appel
Ernst Eder
Franz Dr.-Ing. Pitschi
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.)
Spinner GmbH
Original Assignee
Spinner GmbH
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 Spinner GmbH filed Critical Spinner GmbH
Publication of EP0951110A2 publication Critical patent/EP0951110A2/fr
Publication of EP0951110A3 publication Critical patent/EP0951110A3/fr
Application granted granted Critical
Publication of EP0951110B1 publication Critical patent/EP0951110B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/06—Movable joints, e.g. rotating joints
    • H01P1/062—Movable joints, e.g. rotating joints the relative movement being a rotation
    • H01P1/063—Movable joints, e.g. rotating joints the relative movement being a rotation with a limited angle of rotation
    • H01P1/065—Movable joints, e.g. rotating joints the relative movement being a rotation with a limited angle of rotation the axis of rotation being parallel to the transmission path, e.g. stepped twist
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/64—Devices for uninterrupted current collection
    • 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

Definitions

  • the invention relates to an HF rotary joint consisting of a fixed and one mounted in this rotatable Assembly, with a first coaxial line, whose central axis is equal to the axis of rotation of the rotary joint, with a second coaxial line in the form of a line section, the as inner conductor, the outer conductor of the first coaxial line has and its ends in the fixed and the rotatable Assembly designed as transitions to a respective waveguide are, wherein the inner and outer conductors of the first and the second coaxial line between the fixed and
  • the rotatable module is non-contact via ⁇ / 4 chokes HF-moderate are connected.
  • a rotary joint of this genus is from a 1992 widespread Brochure of the company SIVERS IMA, pages 10A and 11A, known. It is a two-channel rotary joint. Each of the two channels can be on one or even several frequency bands are operated. Usually Such HF rotary joints serve to connect radar or communication transceivers with rotating or at least pivoting antennas. About the channels can - frequency dependent - continuous wave powers up to some 10 KW and pulse power transmitted to the megawatt range become. Such a rotary joint is also from Document U.S. Pat. 4,298,850.
  • the invention is based on the object, an HF rotary joint the genus mentioned above with at least one third RF channel to provide.
  • At least a third, flexible coaxial cable as a cable in a helical surrounding the rotary axis of the rotary joint, formed in the mantle of the fixed assembly Channel is arranged approximately rectangular in cross-section, and that the length of the coaxial cable is dimensioned so that in a predetermined position of the movable assembly to the fixed assembly the turns of the coaxial cable hovering about halfway down the canal.
  • the two cables can e.g. through a radial divider separated or connected to each other in the manner of a wiring harness so as their necessary freedom of movement in the course of the pivoting rotational movements of the rotatable assembly to keep.
  • the radial depth of the helical channel at least about that Double the diameter of the coaxial cable amount (claim 2).
  • the third coaxial line is without disassembly of the rotary joint removable, if that this third coaxial line forming cables on both ends floating connectors has (claim 3).
  • the helical channel is under a the shell of the fixed assembly enclosing sleeve (Claim 4) and is thus against the ingress of moisture and foreign objects protected.
  • the sleeve can be designed in this way that they are also without dismantling the Pull off rotary coupling.
  • the rotary joint comprises a fixed assembly 1 and a rotatable assembly 2. Their axis of rotation is simultaneously the dot-dashed center axis of the rotary joint.
  • the fixed assembly 1 has an annular flange 1a and the rotatable assembly 2 has an annular flange 2a.
  • the fixed assembly 1 comprises an inner, long pipe section 11 and a latter coaxially enclosing, short pipe section 12.
  • the rotatable assembly 2 comprises an inner, short pipe section 21 and this one Coaxially enclosing, long pipe section 22.
  • the rotatable assembly 2 via Rolling 40, 41 and 42 stored and a profile gasket 43 sealed led.
  • a first channel I is designed as a coaxial line which runs in the axis of rotation of the rotary coupling and comprises an inner conductor I 1 in the fixed assembly 1 and an inner conductor I 2 in the rotatable assembly 2.
  • the inner conductors I 1 and I 2 are electrically connected to each other at I 3 in a conventional manner via a ⁇ / 4 choke without mechanical contact.
  • the outer conductor of the channel I forming coaxial line consists of the pipe section 11 of the modules 1 and a short pipe section 23 of the assembly 2. These parts are also connected in a conventional manner without mechanical contact electrically via a ⁇ / 4 choke I 6 .
  • the channel I forming coaxial line is provided at both ends with coaxial connectors I 8 and I 9 .
  • a second RF channel II is formed in the region of the rotary coupling as a second coaxial line in the form of a line section, which has the inner tube section 11 of the stationary assembly 1 as the inner conductor, which forms the first section of the outer conductor of the first coaxial line.
  • the outer conductor of this second coaxial line forms the second, short tube section 12 of the stationary assembly 1 and the non-contact, inner short tube section 21 of the rotatable assembly 2.
  • these tube sections 12 and 21 are constructed as ⁇ / 4 choke.
  • the ends of the second coaxial line in the modules 1 and 2 are formed as transforming junctions II 1 and II 2 on the waveguide II 3 and II 4 .
  • a third RF channel III consists of a flexible coaxial cable III 1 , which is inserted into a provided in the outer periphery of the fixed assembly 1, helical or helical channel III 2 .
  • the channel has a substantially rectangular cross-section.
  • the channel depth is about twice the diameter of the coaxial cable III. 1
  • the channel III 2 is covered by a cylindrical sleeve III 4 , which is bolted to the flange 1a of the fixed assembly 1.
  • the coaxial line III 1 is provided at its two ends with conventional coaxial connectors III 5 and III 6 . These coaxial connectors are secured in respective radial slots of the flanges 1a and 2a, respectively, but could also be arranged in a flying manner. This arrangement of the two connectors and the easily removable attachment of the sleeve III 4 easy accessibility and interchangeability of the coaxial cable III 1 is ensured.
  • the length of the coaxial cable III 1 is dimensioned so that the turns of the coaxial cable III 1 hover approximately in the middle of the depth of the channel III 2 , when the movable assembly 2 is relative to the fixed assembly 1 in a predetermined zero or middle position. From this position, the movable assembly 2 can be rotated relative to the stationary assembly 1 in both directions of rotation by a predetermined maximum angle, lie in one direction of rotation, the turns of the coaxial cable on the bottom of the channel or rest in the other direction against the inside of the sleeve , To avoid overstraining the coaxial cable, the angle of rotation in both directions is limited by suitable stops, not shown, eg ⁇ 360 °.

Landscapes

  • Waveguide Connection Structure (AREA)

Claims (4)

  1. Accouplement rotatif HF constitué d'un composant (1) fixe et d'un composant (2) logé mobile en rotation dans celui-ci, avec un premier câble coaxial (cf. I) dont l'axe médian coïncide avec l'axe de rotation de l'accouplement rotatif, avec un second câble coaxial (cf. II) sous la forme d'une portion de câble qui a comme conducteur interne une portion (11) du conducteur externe du premier câble coaxial et dont les extrémités à l'intérieur des composants fixe et rotatif (1, 2) sont conçues sous la forme de transitions (II1, II2) vers chacune un guide d'ondes (II3, II4), les conducteurs interne et externe du premier et du second câble coaxial étant reliés en haute fréquence sans contact par l'intermédiaire de pièges quart d'onde entre les composants fixe et rotatif (1,2), caractérisé en ce qu'au moins un troisième câble coaxial flexible (cf. III), sous la forme d'un câble (III1), est agencé dans un canal (III2) de section sensiblement rectangulaire, formé dans l'enveloppe du composant fixe (1) et s'étendant en spirale autour de l'axe de rotation de l'accouplement rotatif, et en ce que la longueur du câble coaxial (III1) est définie de manière à ce que, dans une position prédéfinie du composant rotatif (2) par rapport au composant fixe (1), les spires du câble coaxial (III1) flottent sensiblement à mi-profondeur du canal (III2).
  2. Accouplement rotatif HF selon la revendication 1, caractérisé en ce que la profondeur radiale du canal hélicoïdal (III2) est sensiblement égale au double du diamètre du câble coaxial (III1).
  3. Accouplement rotatif HF selon la revendication 1 ou la revendication 2, caractérisé en ce que le câble (III1) formant le troisième câble coaxial présente à ses deux extrémités des connecteurs en porte-à-faux (III5, III6).
  4. Accouplement rotatif HF selon l'une des revendications 1 à 3, caractérisé en ce que le canal hélicoïdal (III2) se trouve sous une gaine (III4) entourant l'enveloppe du composant fixe (1).
EP99107179A 1998-04-15 1999-04-13 Accouplement rotatif HF Expired - Lifetime EP0951110B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19816669 1998-04-15
DE19816669 1998-04-15

Publications (3)

Publication Number Publication Date
EP0951110A2 EP0951110A2 (fr) 1999-10-20
EP0951110A3 EP0951110A3 (fr) 2003-01-29
EP0951110B1 true EP0951110B1 (fr) 2005-01-12

Family

ID=7864590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99107179A Expired - Lifetime EP0951110B1 (fr) 1998-04-15 1999-04-13 Accouplement rotatif HF

Country Status (3)

Country Link
EP (1) EP0951110B1 (fr)
DE (1) DE59911421D1 (fr)
ES (1) ES2235397T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2001076A1 (fr) 2007-06-06 2008-12-10 Spinner GmbH Accouplement rotatif HF doté d'une ligne lambda /4 entre stator et rotor
DE102008018809A1 (de) * 2008-04-15 2009-10-22 Rohde & Schwarz Gmbh & Co. Kg Koaxiales Steckverbindungsteil mit Kugellager

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103746155B (zh) * 2014-01-28 2016-03-02 中航光电科技股份有限公司 一种宽频带小型射频旋转连接器
CN107658665B (zh) * 2017-10-31 2023-12-12 深圳市森瑞普电子有限公司 一种双路高频导电滑环
CN112201913B (zh) * 2020-09-29 2021-08-06 中国船舶重工集团公司第七二四研究所 一种三通道宽带同轴旋转铰链及其实现方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298850A (en) * 1980-04-21 1981-11-03 Microwave Antenna Systems And Technology Inc. Double ridge waveguide rotary joint
DE9414996U1 (de) * 1994-09-15 1996-01-25 Thomas & Betts Corp., Memphis, Tenn. Vorrichtung zum elektrischen Verbinden eines sich drehenden Stromverbrauchers mit einer ortsfesten Stromquelle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2001076A1 (fr) 2007-06-06 2008-12-10 Spinner GmbH Accouplement rotatif HF doté d'une ligne lambda /4 entre stator et rotor
DE102007026431A1 (de) 2007-06-06 2008-12-24 Spinner Gmbh HF-Drehkupplung mit Lambda/4-Leitung zwischen Stator und Rotor
DE102007026431B4 (de) * 2007-06-06 2009-04-23 Spinner Gmbh HF-Drehkupplung mit Lambda/4-Leitung zwischen Stator und Rotor
US7808346B2 (en) 2007-06-06 2010-10-05 Spinner Gmbh Rotary joint having air bearings for contact free mounting
DE102008018809A1 (de) * 2008-04-15 2009-10-22 Rohde & Schwarz Gmbh & Co. Kg Koaxiales Steckverbindungsteil mit Kugellager

Also Published As

Publication number Publication date
DE59911421D1 (de) 2005-02-17
EP0951110A2 (fr) 1999-10-20
ES2235397T3 (es) 2005-07-01
EP0951110A3 (fr) 2003-01-29

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