EP1178560A1 - Dispositif pour connecter deux guides d'ondes électromagnétiques identiques - Google Patents

Dispositif pour connecter deux guides d'ondes électromagnétiques identiques Download PDF

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Publication number
EP1178560A1
EP1178560A1 EP01440226A EP01440226A EP1178560A1 EP 1178560 A1 EP1178560 A1 EP 1178560A1 EP 01440226 A EP01440226 A EP 01440226A EP 01440226 A EP01440226 A EP 01440226A EP 1178560 A1 EP1178560 A1 EP 1178560A1
Authority
EP
European Patent Office
Prior art keywords
waveguide
cavity
waveguide section
waveguides
section
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.)
Withdrawn
Application number
EP01440226A
Other languages
German (de)
English (en)
Inventor
Udo Seewig
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.)
Alcatel CIT SA
Alcatel Lucent SAS
Original Assignee
Alcatel CIT SA
Alcatel SA
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 Alcatel CIT SA, Alcatel SA filed Critical Alcatel CIT SA
Publication of EP1178560A1 publication Critical patent/EP1178560A1/fr
Withdrawn legal-status Critical Current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
    • H01P1/02—Bends; Corners; Twists
    • H01P1/022—Bends; Corners; Twists in waveguides of polygonal cross-section
    • H01P1/025—Bends; Corners; Twists in waveguides of polygonal cross-section in the E-plane

Definitions

  • the invention relates to an arrangement for connecting two identical electromagnetic waveguides with a rectangular cross-section, which the transmission of linearly polarized electromagnetic waves and their rectangular Cavities are twisted so that their corresponding axes run at right angles to each other, at which between the two waveguides Connection element is arranged, through which a low-reflection rotation of the Polarization plane of the waves to be transmitted from the polarization plane of one Waveguide takes place in the orthogonal polarization plane of the other waveguide (DE-C-3 733 397).
  • Such an arrangement is required, for example, if a waveguide with a another waveguide or connected to a device with a waveguide connection and if the axes of the respective connection points are at right angles mutually extending levels.
  • a possible area of application is, for example for antennas with a parabolic reflector and one with a rectangular waveguide given feed line. A is attached to the feed line attached to the reflector Continuing waveguide connected, which is the connection to a transmission and Manufactures reception system. Between the feed line and the continuing Waveguide can be switched on a device, for example, mixer or other contains electronic components.
  • the polarization planes in which the ones to be transmitted vibrate electromagnetic waves lie through the rectangular waveguide Feed line on the one hand and the secondary waveguide or the intermediate device on the other hand fixed. Because these two levels of polarization run orthogonally to each other, transition components must be used that a low-loss routing of the waves between the feed line and the enable the same waveguide or device to be connected.
  • the transition component called the waveguide twist consists, for example, of three waveguide sections that can be rotated relative to one another about their longitudinal axis are interconnected. As a result, the waveguide twist is at different angles adjustable between the axes of the clear cross sections at both ends.
  • At the middle waveguide section is on the outside in the longitudinal direction of the waveguide twist extending lever rotatably attached. Stand at both ends of the lever Spigots that engage in guide grooves on the outside of the other two Waveguide sections, extending in the longitudinal direction of the waveguide twist, are attached.
  • the construction of this known waveguide twist is complex. He also has for Arrangements with limited space have too long an axial length.
  • the invention has for its object the arrangement described above easier and shorter to design.
  • This arrangement consists of only one part, namely the waveguide section. This makes it very simple to set up and just as easy to assemble. Of The very small axial length of the waveguide section is of particular importance Direction determined only by the average frequency of the waves to be transmitted becomes. The arrangement can therefore be used with advantage where only a very small distance between the waveguides to be connected is available. Even though with the waveguide section only one step to rotate the plane of polarization electromagnetic waves is used, this arrangement has a very favorable Reflection factor with correspondingly low electrical losses. This essential Advantage is due to the narrowing of the cavity of the waveguide section in its middle area with the two opposite projections ensured.
  • the invention is described below for the use of the arrangement on an antenna parabolic reflector. However, this does not limit the general usability of the arrangement for connecting two rectangular Waveguides.
  • Fig. 1 the tip of a mast 1 is indicated schematically, on which a parabolic reflector 2 of an antenna is mounted.
  • a parabolic reflector 2 of an antenna is mounted on the reflector 2 .
  • a rectangular waveguide designed feed line 3 attached, at its free end the illumination of the antenna serving exciter 4 is attached.
  • a device 5 on the mast 1 mounted, to which a waveguide 6 is connected, which is not with a shown transmitting and receiving device is connected.
  • a connection serving arrangement 7 whose more detailed structure is shown in FIG. 4.
  • Fig. 2 gives a schematic representation of the connection point between the Waveguide input 8 of the device 5 and the feed line 3 again.
  • the assembly 7 which is designed as a waveguide section 9, is mounted so that there are parts for the electromagnetic waves to be transmitted are a low reflection transition from which gives a plane of polarization orthogonal to it. That is through two slants Lines 10 and 11 indicated.
  • the assignment of the rectangular cavities H1 and H2 of the waveguide to be connected and H3 of the waveguide section 9 relative to one another is shown in FIG. 3.
  • the big ones Axes A1, A2 and A3 of the cavities H1, H2 and H3 as corresponding axes are included.
  • the other corresponding axes are the small ones Axes. They are not shown for the sake of simplicity.
  • the cavity H1 with the Axis A1 belongs to feed line 3.
  • the cavity H2, offset by 90 °, with the Axis A2 is the cavity of the waveguide input 8.
  • the cavity H3 of the Waveguide section 9 with the axis A3 is arranged so that the axis A3 with both the axis A1 and the axis A2 form an angle of 45 °.
  • the waveguide section 9 has a rectangular cavity H3, which according to FIG middle area is narrowed. These are in the middle of the long sides of the cavity H3 diametrically opposite projections 12 and 13 attached, which in protrude the cavity H3. Their ends are in a preferred embodiment rounded.
  • the projections 12 and 13 can have any geometric shape to have. In addition to the round shape, they can also be rectangular or triangular, for example or be mushroom-shaped.
  • the corners of the cavity H3 are in a preferred embodiment rounded.
  • the waveguide section 9 has a thickness D which is approximately a quarter of the average frequency of the frequency band that corresponds to the transmission of electromagnetic Waves is used.
  • a thickness D which is approximately a quarter of the average frequency of the frequency band that corresponds to the transmission of electromagnetic Waves is used.
  • the so-called 12 GHz band results in one Thickness D and thus an axial length for the waveguide section of 7.2 mm.
  • the one Waveguide wavelength assigned to the frequency band is 29 mm.
  • the short sides of the cavity H3 of the waveguide section 9 are opposite to the Short sides of the cavities H1 and H2 of the two waveguides are preferably slightly longer, by an amount less than 5%. If the short sides of the Cavities H1 and H2 are 30 mm long, for example, the short sides of the Cavity H3, for example, be 0.9 mm longer. This corresponds to an extension Of 3 %.
  • the projections 12 and 13 protrude when the arrangement 7 is used for transmission of the 12 GHz band, for example, each by 0.9 mm in the cavity H3 of the Waveguide section 9 into it. That is about 3% of the waveguide wavelength. You can be rounded at its tip with a corresponding radius of 0.9 mm. On The projections 12 and 13 can have a radius of approximately on both sides Merge 1.5 mm into the long edge of the cavity H3 of the waveguide section 9.

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
EP01440226A 2000-08-02 2001-07-18 Dispositif pour connecter deux guides d'ondes électromagnétiques identiques Withdrawn EP1178560A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10037554A DE10037554A1 (de) 2000-08-02 2000-08-02 Anordnung zum Verbinden von zwei identischen elektromagnetischen Hohlleitern
DE10037554 2000-08-02

Publications (1)

Publication Number Publication Date
EP1178560A1 true EP1178560A1 (fr) 2002-02-06

Family

ID=7651007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01440226A Withdrawn EP1178560A1 (fr) 2000-08-02 2001-07-18 Dispositif pour connecter deux guides d'ondes électromagnétiques identiques

Country Status (5)

Country Link
US (1) US20020017966A1 (fr)
EP (1) EP1178560A1 (fr)
CN (1) CN1336698A (fr)
AU (1) AU5770101A (fr)
DE (1) DE10037554A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007057389A1 (fr) * 2005-11-17 2007-05-24 Ericsson Ab Transformateur a torsade pour guides d'ondes en forme de t
WO2007110110A1 (fr) * 2006-03-27 2007-10-04 Telefonaktiebolaget Lm Ericsson (Publ) Raccordement de guides d'ondes

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2429119A (en) * 2005-08-10 2007-02-14 Marconi Comm Gmbh Waveguide junction with angular offset
CN103972628B (zh) * 2014-04-24 2017-01-04 成都锦江电子系统工程有限公司 自定位阶梯扭波导及其真空钎焊工艺
CN105633516A (zh) * 2016-02-23 2016-06-01 陕西天翌天线有限公司 波导极化方向转换装置
CN107808994B (zh) * 2017-12-04 2024-05-31 宁波伟隆港口机械有限公司 一种开口波导管、开口波导滑线以及通讯装置
EP3499636B1 (fr) * 2017-12-13 2021-09-08 Nokia Shanghai Bell Co., Ltd. Dispositif de rotation pour connecter des guides d'ondes non alignés et son procédé de fabrication
CN108110392A (zh) * 2017-12-18 2018-06-01 中国电子科技集团公司第五十四研究所 一种宽带扭波导结构
CN110021825A (zh) * 2019-03-22 2019-07-16 湖北楚航电子科技有限公司 一种微波极化转换器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975383A (en) * 1957-11-04 1961-03-14 Gen Motors Corp Waveguide polarization converter
GB2012116A (en) * 1978-01-04 1979-07-18 Licentia Gmbh A waveguide coupling arrangement
US4311973A (en) * 1977-11-02 1982-01-19 Licentia Patent-Verwaltungs Gmbh Waveguide junction
EP0439799A1 (fr) * 1990-01-29 1991-08-07 ANT Nachrichtentechnik GmbH Dispositif pour tourner la polarisation d'une onde polarisée dans un guide d'ondes
US5111164A (en) * 1986-05-29 1992-05-05 National Research Development Corporation Matching asymmetrical discontinuities in a waveguide twist

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921274A (en) * 1955-12-28 1960-01-12 Int Standard Electric Corp Transmission system for radioelectric waves

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975383A (en) * 1957-11-04 1961-03-14 Gen Motors Corp Waveguide polarization converter
US4311973A (en) * 1977-11-02 1982-01-19 Licentia Patent-Verwaltungs Gmbh Waveguide junction
GB2012116A (en) * 1978-01-04 1979-07-18 Licentia Gmbh A waveguide coupling arrangement
US5111164A (en) * 1986-05-29 1992-05-05 National Research Development Corporation Matching asymmetrical discontinuities in a waveguide twist
EP0439799A1 (fr) * 1990-01-29 1991-08-07 ANT Nachrichtentechnik GmbH Dispositif pour tourner la polarisation d'une onde polarisée dans un guide d'ondes

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007057389A1 (fr) * 2005-11-17 2007-05-24 Ericsson Ab Transformateur a torsade pour guides d'ondes en forme de t
US7808337B2 (en) 2005-11-17 2010-10-05 Ericsson Ab T-shape waveguide twist-transformer
CN101322283B (zh) * 2005-11-17 2011-11-09 爱立信股份有限公司 T形波导扭转变换器
WO2007110110A1 (fr) * 2006-03-27 2007-10-04 Telefonaktiebolaget Lm Ericsson (Publ) Raccordement de guides d'ondes
US7978020B2 (en) 2006-03-27 2011-07-12 Telefonaktiebolaget Lm Ericsson (Publ) Waveguide junction having angular and linear offsets for providing polarization rotation

Also Published As

Publication number Publication date
AU5770101A (en) 2002-02-07
DE10037554A1 (de) 2002-02-14
CN1336698A (zh) 2002-02-20
US20020017966A1 (en) 2002-02-14

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