CN103855473B - A kind of millimeter wave frequency band iris type Circular polarization horn structure forming method - Google Patents
A kind of millimeter wave frequency band iris type Circular polarization horn structure forming method Download PDFInfo
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- CN103855473B CN103855473B CN201210499002.0A CN201210499002A CN103855473B CN 103855473 B CN103855473 B CN 103855473B CN 201210499002 A CN201210499002 A CN 201210499002A CN 103855473 B CN103855473 B CN 103855473B
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Abstract
The invention belongs to the shaping structures design field of millimetric wave device, relate to a kind of millimeter wave frequency band iris type Circular polarization horn structure forming method. The present invention includes following steps: 1) split design: described iris type Circular polarization horn is split as to part one (4), part two (5), part three (6) and part four (7); 2) by after part one (4), part two (5), part three (6) and part four (7) difference machinings, adopt welding fabrication of soldering. The present invention is by the reasonable fractionation to structure, ensureing to meet under the prerequisite of performance indications and structure installation positioning requirements, by conventional machining and welding procedure, realize the processing and manufacturing of millimeter wave frequency band iris type Circular polarization horn, there is good Machinability Evaluation and reliability.
Description
Technical field
The shaping structures design field that the invention belongs to millimetric wave device, relates to a kind of millimeter wave frequency bandIris type Circular polarization horn structure forming method.
Background technology
W band radar has that angular resolution is high, little, the anti-multipath effect of land clutter energy and volume little etc.Advantage, is specially adapted to survey over the ground small objects. Install additional circular polarisation converter transmitting Feed Horn andReceive Feed Horn as the Primary Component in W band radar Antenna Construction Design, because inner-cavity structure is multipleThe technical characterstic assorted, size is little, required precision is high, design and processing and manufacturing are difficult to realize: as adopted castingMake and be difficult to reach inner chamber required precision, as welding needs to take into full account welding deformation effect, close if failReason splits, and is welded into so power and is difficult to ensure.
Summary of the invention
Technical problem to be solved by this invention is: a kind of millimeter wave frequency band iris type Circular polarization horn is providedStructure forming method ensures its reliable processing and manufacturing performance under the prerequisite that meets its performance indications.
Technical scheme of the present invention is:
A kind of millimeter wave frequency band iris type Circular polarization horn structure forming method, described iris type circular polarisation loudspeakerMainly comprise metal partion (metp) formula circular polarisation converter, one side subtended angle loudspeaker 2, standard waveguide 3 and connection methodOrchid, its inner-cavity structure is: metal partion (metp) formula circular polarisation converter is by metal partion (metp) 1b and square wave guide 1a groupBecome, square wave guide 1a comprises a straight section and a curved segment, the curved segment end of square wave guide 1a and one side subtended angle loudspeaker 2Closing in root connect, the straight section end of square wave guide 1a is connected with two segment standard waveguides 3 of corresponding frequency band; InstituteStating forming method comprises the following steps:
1) split design: described iris type Circular polarization horn is split as to part 1, part 25, part 36With part 47, straight section, two segment standard waveguides 3 and the metal that square wave guide 1a and metal partion (metp) 1b join everyPlate 1b combination, removes wall vertical with metal partion (metp) 1b and that contact with ladder step unfilled corner as part 1;A wall in one side subtended angle loudspeaker 2 in pair of parallel wall together with coplanar with it in square wave guide 1a untilWith the part wall of part 1 handing-over as part 25; Adpting flange is part 36; Iris type Circular polarization hornRemoving part 1, part 25, the last part of part 36 is part 47;
2) by part 1, part 25, part 36 and part 47 respectively with after machining, adopt soldering oneInferior welding fabrication.
The invention has the beneficial effects as follows: millimeter wave frequency band iris type Circular polarization horn of the present invention shaping structures sideMethod is by the reasonable fractionation to structure, positioning accuracy request is installed ensureing to meet performance indications and structureUnder prerequisite, by conventional machining and welding procedure, realize millimeter wave frequency band iris type circular polarisation loudspeakerProcessing and manufacturing, has good Machinability Evaluation and reliability.
Brief description of the drawings
A kind of concrete enforcement of millimeter wave frequency band metal partion (metp) formula Circular polarization horn that Fig. 1 is institute of the present invention mouldingMode structural perspective;
The W frequency range metal partion (metp) formula circular polarisation transmitting Feed Horn structural representation that Fig. 2 is institute of the present invention mouldingFigure;
The W frequency range metal partion (metp) formula circular polarisation that Fig. 3 is institute of the present invention moulding receives Feed Horn structural representationFigure;
Wherein, 1a-square wave guide, 1b-metal partion (metp), 2-one side subtended angle loudspeaker, 3-standard waveguide, 4-part one,5-part two, 6-part three, 7-part four.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
Referring to Fig. 1, a kind of millimeter wave frequency band iris type Circular polarization horn structure forming method, described iris typeCircular polarization horn mainly comprises metal partion (metp) formula circular polarisation converter, one side subtended angle loudspeaker 2, standard waveguide 3And adpting flange, its inner-cavity structure is: metal partion (metp) formula circular polarisation converter is by metal partion (metp) 1b and square waveLead 1a composition, metal partion (metp) 1b is vertically placed in square wave guide 1a, and is positioned at square wave guide 1a center pairOn title face. Square wave guide 1a comprises a straight section and a curved segment, the curved segment end of square wave guide 1a and one side subtended angle loudspeaker2 closing in roots connect, and the straight section end section of square wave guide 1a is divided into after two parts by metal partion (metp) 1b, pointBe not connected with two segment standard waveguides 3 of corresponding frequency band; Described forming method comprises the following steps:
1) split design: according to the inner-cavity structure feature of described iris type Circular polarization horn, by whole deviceBe split as part 1, part 25, part 36 and the part 47 that can independently carry out machining. For metal everyPlate 1b is as extremely fragile thin-wall construction and the high feature of required precision, by square wave guide 1a and metal partion (metp)Straight section, two segment standard waveguides 3 and metal partion (metp) 1b combination that 1b joins, remove with metal partion (metp) 1b and hang downStraight and the wall that contacts with ladder step unfilled corner is as part 1, with ensure metal partion (metp) 1b respectively with square waveLead the firm connection of 1a and two segment standard waveguides 3, and be convenient to process stepped on metal partion (metp) 1bStep; A wall in one side subtended angle loudspeaker 2 in pair of parallel wall together with coplanar with it in square wave guide 1a,Until with the part wall of part 1 handing-over as part 25; According to connecting needs, in standard waveguide 3 terminalsSubsidiary adpting flange is part 36; It is last that iris type Circular polarization horn is removed part 1, part 25, part 36Part is part 47; Part 1, part 25, part 36, part 47 add respectively the techniques such as tenon, mortiseStructural element, to meet assembling and the assembling requirement of follow-up welding sequence location.
2) by after part 1, part 25, part 36, part 47 difference machinings, assembly also adoptsWelding fabrication of soldering processes, postwelding can be repaired profile as required.
Referring to Fig. 2 and Fig. 3, the present invention has successfully realized W frequency range metal partion (metp) formula circular polarisation transmitting feedLoudspeaker and W frequency range metal partion (metp) formula circular polarisation receive the moulding of Feed Horn.
Claims (1)
1. a millimeter wave frequency band iris type Circular polarization horn structure forming method, described iris type circular polarisationLoudspeaker mainly comprise metal partion (metp) formula circular polarisation converter, one side subtended angle loudspeaker (2), standard waveguide (3)And adpting flange, its inner-cavity structure is: metal partion (metp) formula circular polarisation converter by metal partion (metp) (1b) withSquare wave guide (1a) composition, square wave guide (1a) comprises a straight section and curved segment, the curved segment end of square wave guide (1a)Be connected with the closing in root of one side subtended angle loudspeaker (2), the straight section end of square wave guide (1a) and corresponding frequency bandTwo segment standard waveguides (3) connect; Described forming method comprises the following steps:
1) split design: described iris type Circular polarization horn is split as to part one (4), part two (5), partThree (6) and part four (7), straight section, two segment marks that square wave guide (1a) and metal partion (metp) (1b) joinThe combination of Quasi-Waveguide (3) and metal partion (metp) (1b), remove vertical with metal partion (metp) (1b) and with ladder platformThe wall of rank unfilled corner contact is as part one (4); In one side subtended angle loudspeaker (2) in pair of parallel wall oneIndividual wall together with coplanar with it in square wave guide (1a) until with the wall portions conduct of part one (4) handing-overPart two (5); Adpting flange is part three (6); Iris type Circular polarization horn remove part one (4), part two (5),Part three (6) last parts are part four (7);
2) by after part one (4), part two (5), part three (6) and part four (7) difference machinings, adoptWith welding fabrication of soldering.
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| CN201210499002.0A CN103855473B (en) | 2012-11-29 | 2012-11-29 | A kind of millimeter wave frequency band iris type Circular polarization horn structure forming method |
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| CN201210499002.0A CN103855473B (en) | 2012-11-29 | 2012-11-29 | A kind of millimeter wave frequency band iris type Circular polarization horn structure forming method |
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| CN103855473B true CN103855473B (en) | 2016-05-04 |
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| CN104108007B (en) * | 2014-06-25 | 2016-06-08 | 中国电子科技集团公司第二十研究所 | The working method of a kind of ridge waveguide loudspeaker antenna |
| CN109462011B (en) * | 2018-11-16 | 2019-11-01 | 四川大学 | A kind of radar antenna and radar antenna array based on 3D printing technique |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1577957A (en) * | 2003-07-01 | 2005-02-09 | 夏普株式会社 | Converter for radio wave reception and antenna apparatus |
| GB2476787A (en) * | 1991-03-01 | 2011-07-13 | Marconi Gec Ltd | Microwave antenna |
| CN102638300A (en) * | 2011-02-09 | 2012-08-15 | 百一电子股份有限公司 | Separated satellite receiving device and detection method thereof |
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2012
- 2012-11-29 CN CN201210499002.0A patent/CN103855473B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2476787A (en) * | 1991-03-01 | 2011-07-13 | Marconi Gec Ltd | Microwave antenna |
| CN1577957A (en) * | 2003-07-01 | 2005-02-09 | 夏普株式会社 | Converter for radio wave reception and antenna apparatus |
| CN102638300A (en) * | 2011-02-09 | 2012-08-15 | 百一电子股份有限公司 | Separated satellite receiving device and detection method thereof |
Non-Patent Citations (1)
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| 隔片圆极化器的设计及S 参数的分析;徐继东;《现代雷达》;20150831;第27卷(第8期);全文 * |
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