CN2481067Y - High-quality wide frequency band double-groove deep corrugation loudspeaker feed source - Google Patents
High-quality wide frequency band double-groove deep corrugation loudspeaker feed source Download PDFInfo
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- CN2481067Y CN2481067Y CN 01225820 CN01225820U CN2481067Y CN 2481067 Y CN2481067 Y CN 2481067Y CN 01225820 CN01225820 CN 01225820 CN 01225820 U CN01225820 U CN 01225820U CN 2481067 Y CN2481067 Y CN 2481067Y
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- 230000007704 transition Effects 0.000 claims description 23
- 230000000737 periodic effect Effects 0.000 claims description 12
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a double-groove and deep-corrugated loudspeaker feed source with high quality and wide frequency band, which comprises an input section of a smooth wall wave guide, a mode converter section with a double-groove and deep-corrugated structure and a transitional output section, wherein the mode converter section finishes the mode conversion between a main mode of the smooth wall wave guide and a main mode of a corrugated loudspeaker, and meanwhile, restrains the emission of a higher harmonic mode and reduces the reflection loss. The utility model ensures that the corrugated loudspeaker can have good electric property index in a C band which respectively receives and sends a dual band with 800 MHz bandwidth, also has the characteristics of simple manufacturing process, low cost and convenient mass production, and is especially used as a feed source device of the corrugated loudspeaker for a satellite communication antenna of a broad band of the C band.
Description
The utility model relates to the dark corrugated horn feed of a kind of high-performance broadband double flute in the communications field, is specially adapted to receive and dispatch as C-band the corrugated horn feed source device of the broadband satellite communication antena of each 800MHz bandwidth.
The development of satellite communication cause impels communication band constantly to be widened, at C-band, (receive 3.7GHz～4.2GHz, emission 5.925GHz～6.425GHz) expands to present each 575MHz of widely used transmitting-receiving and (promptly receives 3.625GHz～4.2GHz, emission 5.85GHz～6.425GHz) communication bandwidth by originally each 500MHz of transmitting-receiving.From 1993, the international satellite communication tissue is in order to satisfy the needs of the growing telecommunications of mankind nowadays, under situation about being becoming tight frequency resource day, decision with the 8th generation communication satellite and later satellite communication frequency bandwidth all expand to 800MHz receiving and launch in two frequency ranges, promptly use frequency to be: to receive 3.4GHz～4.2GHz, emission 5.85GHz～6.65GHz.Can predict, in the near future, newly-built a large amount of in small-bore satellite communication antena must possess the broad band performance of 800MHz bandwidth, and the antenna feed system of the 575MHz bandwidth of generally using at present also must be replaced with the feed system with 800MHz bandwidth performance.Therefore, the C-band broadband feed of receiving and dispatching each 800MHz bandwidth just becomes the technology of a key.
The corrugated horn feed occupies critical role in the satellite communication antena field, nearly all high performance satellite communication antena all uses corrugated horn to do feed, and this is because it can realize good electricity function index near 2: 1 broadband.Realize each 800MHz broadband operation of transmitting-receiving at C-band, well-known design will be exactly the ring loading corrugated horn of U.S. James design, this corrugated horn can be divided into four sections by its function: light wall waveguide input section, weighted-voltage D/A converter section, changeover portion and radiant section, the key of design is the weighted-voltage D/A converter section, and its function is with from the main mould TE in the input circular waveguide
11Mould is converted to the main mould HE in the corrugated waveguide
11Mould, to suppress the excitation of higher mode simultaneously and reduce reflection loss, for the broadening working band, weighted-voltage D/A converter adopts the ring loading structure, the version of this complexity has guaranteed that corrugated horn can have good electricity function index in 2: 1 broadband, but brought simultaneously the difficult problem in the processing: the processing technology complexity, machining accuracy is restive, the production cycle is long, with high costs, this has just limited the production in enormous quantities of this ring loading corrugated horn.
The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and provides a kind of and can realize in the satellite communication antena high performance technology index of each 800MHz bandwidth of transmitting-receiving and have the dark corrugated horn feed of high-performance broadband double flute that processing technology is simple, with low cost, be convenient to the characteristics of producing in enormous quantities simultaneously.
The purpose of this utility model is to realize like this, it is made of light wall waveguide input section 1, the weighted-voltage D/A converter section 2 of the dark ripple struction of double flute and the transition deferent segment 3 of the dark ripple struction of double flute, wherein light wall waveguide input section 1 outbound port is fixedlyed connected with securing member by ring flange with weighted-voltage D/A converter section 2 inbound ports, weighted-voltage D/A converter section 2 outbound ports are fixedlyed connected with securing member by ring flange with transition deferent segment 3 inbound ports, light wall waveguide input section 1 inbound port securing member circumscribed circle waveguide feeder, transition deferent segment 3 outbound ports seal with polytetrafluoroethylene film.
The purpose of this utility model can also reach by following measure: the wave groove of the weighted-voltage D/A converter section 2 of the dark ripple struction of the utility model double flute is periodic structure, the one-period structure is made up of a deep trouth, a shallow slot and two ripple teeth, periodic quantity equals width and two groove width numerical value sums of two ripple teeth, the periodic quantity in adjacent two cycles is gradual changes, and the groove depth size of the deep trouth in adjacent two cycles and shallow slot, groove width size and ripple facewidth degree size also are gradual changes; The deep trouth of the transition deferent segment 3 of the dark ripple struction of double flute and the groove depth size of shallow slot, groove width size and ripple facewidth degree size are changeless, so periodic quantity also is changeless.
The groove depth size 4 of first cycle deep trouth of the utility model weighted-voltage D/A converter section 2 inbound ports is that 26 to 32 millimeters, groove width size 5 are 1.5 to 3 millimeters, the groove depth size 6 of first cycle shallow slot is that 15 to 20 millimeters, groove width size 7 are 1 to 2 millimeter, and first cycle two ripple facewidth degree size 8,9 is 4 to 8 millimeters; The groove depth size 10 of last cycle deep trouth of weighted-voltage D/A converter section 2 outbound ports is 21 to 26 millimeters, groove width size 11 is 3 to 5 millimeters, the groove depth size 12 of last cycle shallow slot is 12 to 15 millimeters, groove width size 13 is 3 to 5 millimeters, last cycle two ripple facewidth degree size 14,15 is 2 to 3 millimeters, the groove depth size of the deep trouth of transition deferent segment 3 and shallow slot, groove width size and ripple facewidth degree size remain unchanged in whole transition deferent segment, the groove depth size 17 of deep trouth is 20 to 25 millimeters, groove width size 18 is 3 to 5 millimeters, the groove depth size 19 of shallow slot is 12 to 15 millimeters, groove width size 20 is 3 to 5 millimeters, two ripple facewidth degree sizes 21,22 is 1 to 2 millimeter.
The inlet diameter size 23 of the utility model weighted-voltage D/A converter section 2 is 68 to Φ 75 millimeters of Φ, and outlet diameter size 24 is 85 to Φ 95 millimeters of Φ, and inner wall surface is a taper seat, and semicircle cone angle 16 angles are that 4 degree are to 8 degree.
The utility model is compared background technology following advantage:
1. the utility model weighted-voltage D/A converter section 2, transition deferent segment 3 all adopt the dark ripple struction of double flute, the corrugated horn feed is not to work in C-band satellite communication low-limit frequency to the whole frequency band of highest frequency, but obtains high performance electricity function index receiving and launch on the two-band of each 800MHz working band of two relative separation.
2. the utility model adopts the weighted-voltage D/A converter section 2 and the transition deferent segment 3 of the dark ripple struction of double flute, its ripple struction form all is straight trough structures, be convenient to cutter processing, overcome the shortcoming that the ring loading structure is difficult to process, made processing technology simple, the passing rate of processing height, thereby shortened the production cycle, improved production efficiency, greatly reduced manufacturing cost, be convenient to produce in enormous quantities and apply.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the utility model mounting structure schematic diagram.
With reference to Fig. 1, the utility model is made of the weighted-voltage D/A converter section 2 and the transition deferent segment 3 of light wall waveguide input section 1, the dark ripple struction of double flute.Wherein light wall waveguide input section 1 outbound port is fixedlyed connected with securing member by ring flange with weighted-voltage D/A converter section 2 inbound ports, embodiment light wall waveguide input section 1 adopts aluminum to be processed into Guang Bi garden waveguiding structure, the inbound port diameter is 54 millimeters of Φ, the outbound port diameter is 68 millimeters of Φ, length is 200 millimeters, inbound port securing member circumscribed circle waveguide feeder, the electromagnetic signals in the self-feed line is transferred in the corrugated horn or will be transferred in the feeder line from the reception electromagnetic wave signal of corrugated horn in the future.
The utility model weighted-voltage D/A converter section 2 outbound ports are fixedlyed connected with securing member by ring flange with transition deferent segment 3 inbound ports, weighted-voltage D/A converter section 2 embodiment adopt the dark ripple struction of aluminum processing double flute, its operation principle can be found by the operating frequency of C-band satellite communication, though the ratio of maximum operating frequency and lowest operating frequency approached 2: 1, but receive and emission is not to work on the whole frequency band, but work on the two-band of each 800MHz bandwidth of two relative separation.According to this feature, in design, just can choose the corrugated horn of double flute deep structure form, deep trouth and shallow slot are corresponded respectively to be received and transmit frequency band, by well-designed make it receive with launch two working frequency range that separate on obtain high performance electricity function index, realize the shared broad band performance of transmitting-receiving frequency range.The bellows wall of the dark corrugated horn of double flute is formed by the groove alternate combinations of two kinds of different depths, be periodic structure, the one-period structure is by a deep trouth, a shallow slot and two ripple teeth are formed, periodic quantity equals width and two groove width numerical value sums of two ripple teeth, the periodic quantity in adjacent two cycles is gradual changes, the groove depth size of the deep trouth in adjacent two cycles and shallow slot, groove width size and ripple facewidth degree size also are gradual changes, among the embodiment, from first cycle to last cycle, the depth dimensions of deep trouth and shallow slot is more and more shallow, the width dimensions of deep trouth and shallow slot is more and more wideer, and the width dimensions of ripple tooth is more and more narrow, and periodic quantity is more and more littler.The groove depth size 4 of first cycle deep trouth of weighted-voltage D/A converter section 2 inbound ports is that 26 to 32 millimeters, groove width size 5 are 1.5 to 3 millimeters, the groove depth size 6 of first cycle shallow slot is 15 to 20 millimeters, groove width size 7 is 1 to 2 millimeter, and first cycle two ripple facewidth degree size 8,9 is 4 to 8 millimeters.The groove depth size 4 of first cycle deep trouth of embodiment weighted-voltage D/A converter section 2 inbound ports is processed into 26 millimeters, groove width size 5 and is processed into 2 millimeters.The groove depth size 6 of first cycle shallow slot is processed into 15 millimeters, and groove width size 7 is processed into 1 millimeter.First cycle two ripple facewidth degree size 8,9 is processed into 5 millimeters.The groove depth size 10 of last cycle deep trouth of the utility model weighted-voltage D/A converter section 2 outbound ports is 21 to 26 millimeters, groove width size 11 is 3 to 5 millimeters, the groove depth size 12 of last cycle shallow slot is that 12 to 15 millimeters, groove width size 13 are 3 to 5 millimeters, and last cycle two ripple facewidth degree size 14,15 is 2 to 3 millimeters.The groove depth size 10 of last cycle deep trouth of embodiment weighted-voltage D/A converter section 2 outbound ports is processed into 21 millimeters.Well width size 11 is processed into 3 millimeters.The groove depth size 12 of last cycle shallow slot is processed into 12 millimeters, and groove width size 13 is processed into 3 millimeters.Last cycle two ripple facewidth degree size 14,15 is processed into 2 millimeters.
The deep trouth of the transition deferent segment 3 of the dark ripple struction of the utility model double flute and the groove depth size of shallow slot, groove width size and ripple facewidth degree size are changeless, the groove depth size 17 of deep trouth is that 20 to 25 millimeters, groove width size 18 are 3 to 5 millimeters, in the whole transition deferent segment 3 of embodiment, the groove depth size 17 of deep trouth is processed into 20 millimeters, and groove width size 18 is processed into 3 millimeters.The groove depth size 19 of shallow slot is 12 to 15 millimeters, and groove width size 20 is 3 to 5 millimeters, and the groove depth size 19 of shallow slot is processed into 12 millimeters in the whole transition deferent segment 3 of embodiment, and groove width size 20 is processed into 3 millimeters.Two ripple facewidth degree sizes 21,22 are 1 to 2 millimeter, and in the whole changeover portion 3 of embodiment, ripple facewidth degree is dimensioned to 2 millimeters.Investigate from machining angle, all deep groove structures or the shallow slot structure of the dark ripple struction of double flute all are the straight trough structures, are convenient to cutter processing, compare with the ring loading structure, and processing technology is much simple, thereby with short production cycle, and processing cost is low, is convenient to produce in enormous quantities.
The inlet diameter size 23 of the utility model weighted-voltage D/A converter section 2 is 68 to Φ 75 millimeters of Φ, and outlet diameter size 24 is 85 to Φ 95 millimeters of Φ, and inner wall surface is the garden conical surface, and half garden cone angle, 16 angles are 4 to 8 degree.The inlet diameter size 23 of embodiment weighted-voltage D/A converter section 2 is processed into 68 millimeters, and outlet diameter size 24 is processed into 85 millimeters of Φ, and inner wall surface is processed into the garden conical surface, and half garden cone angle, 16 angles are processed into 4 degree.The inner wall surface of embodiment transition deferent segment 3 is made up of two parts: curved surface flare angle variation part and half garden cone angle are the garden conical surface part of 14 degree, curved surface flare angle variation part inner wall surface is a curved surface, the angle of its tangent line and axis increases gradually, half garden cone angle, 4 degree by weighted-voltage D/A converter section 2 are gradient to 14 degree, to realize with half garden cone angle the being smooth connection of the garden conical surface of 14 degree.It is that 14 degree are until horn mouth that the garden conical surface keeps half garden cone angle.The length dimension of transition deferent segment 3 and horn mouth diameter dimension are determined according to concrete antenna global design index, horn mouth seals with polytetrafluoroethylene film, prevent that rainwater, dust from entering in the corrugated horn, embodiment weighted-voltage D/A converter section 2 and transition deferent segment 3 all adopt commercially available aluminum alloy materials machining to form the horn-like feed of the dark ripple struction of double flute.
The concise and to the point operation principle of the utility model: the main mould TE of light wall waveguide input section 1 input
11The mould electromagnetic wave signal is by 2 main mould TE from the waveguide of light wall of weighted-voltage D/A converter section
11Mould is converted to the main mould HE in the corrugated horn
11The mould electromagnetic wave signal suppresses the excitation of higher mode simultaneously effectively and reduces reflection loss.Because receiving and launching not is to work in low-limit frequency to the whole frequency band of highest frequency, but work on the two-band of each 800MHz bandwidth of two relative separation, so weighted-voltage D/A converter section 2 and transition deferent segment 3 all are processed into the double flute deep structure, deep trouth and shallow slot correspond respectively to and receive and transmit frequency band, optimal design makes it to obtain simultaneously high performance electricity function index on the frequency band of these two 800MHz, realize the shared broad band performance of transmitting-receiving frequency range.
Claims (4)
1. dark corrugated horn feed of high-performance broadband double flute that constitutes by light wall waveguide input section (1), it is characterized in that also having the weighted-voltage D/A converter section (2) of the dark ripple struction of double flute and the transition deferent segment (3) of the dark ripple struction of double flute to constitute, wherein light wall waveguide input section (1) outbound port is fixedlyed connected with securing member by ring flange with weighted-voltage D/A converter section (2) inbound port, weighted-voltage D/A converter section (2) outbound port is fixedlyed connected with securing member by ring flange with transition deferent segment (3) inbound port, light wall waveguide input section (1) inbound port securing member circumscribed circle waveguide feeder, transition deferent segment (3) outbound port seals with polytetrafluoroethylene film.
2. the dark corrugated horn feed of high-performance broadband double flute according to claim 1, the wave groove that it is characterized in that the weighted-voltage D/A converter section (2) of the dark ripple struction of double flute is periodic structure, the one-period structure is made up of a deep trouth, a shallow slot and two ripple teeth, periodic quantity equals width and two groove width numerical value sums of two ripple teeth, the periodic quantity in adjacent two cycles is gradual changes, and the groove depth size of the deep trouth in adjacent two cycles and shallow slot, groove width size and ripple facewidth degree size also are gradual changes; The deep trouth of the transition deferent segment (3) of the dark ripple struction of double flute and the groove depth size of shallow slot, groove width size and ripple facewidth degree size are changeless, and periodic quantity also is changeless.
3. the dark corrugated horn feed of high-performance broadband double flute according to claim 1 and 2, the groove depth size (4) that it is characterized in that first cycle deep trouth of weighted-voltage D/A converter section (2) inbound port is that 26 to 32 millimeters, groove width size (5) are 1.5 to 3 millimeters, the groove depth size (6) of first cycle shallow slot is that 15 to 20 millimeters, groove width size (7) are 1 to 2 millimeter, and first cycle two ripple facewidth degree size (8), (9) are 4 to 8 millimeters; The groove depth size (10) of last cycle deep trouth of weighted-voltage D/A converter section (2) outbound port is 21 to 26 millimeters, groove width size (11) is 3 to 5 millimeters, the groove depth size (12) of last cycle shallow slot is 12 to 15 millimeters, groove width size (13) is 3 to 5 millimeters, last cycle two ripple facewidth degree size (14), (15) be 2 to 3 millimeters, the deep trouth of transition deferent segment (3) and the groove depth size of shallow slot, groove width size and ripple facewidth degree size remain unchanged in whole transition deferent segment, the groove depth size (17) of deep trouth is 20 to 25 millimeters, groove width size (18) is 3 to 5 millimeters, the groove depth size (19) of shallow slot is 12 to 15 millimeters, groove width size (20) is 3 to 5 millimeters, two ripple facewidth degree sizes (21), (22) be 1 to 2 millimeter.
4. the dark corrugated horn feed of high-performance broadband double flute according to claim 3, the inlet diameter size (23) that it is characterized in that weighted-voltage D/A converter section (2) is 68 to Φ 75 millimeters of Φ, outlet diameter size (24) is 85 to Φ 95 millimeters of Φ, inner wall surface is a taper seat, and semicircle cone angle (16) angle is that 4 degree are to 8 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01225820 CN2481067Y (en) | 2001-05-29 | 2001-05-29 | High-quality wide frequency band double-groove deep corrugation loudspeaker feed source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01225820 CN2481067Y (en) | 2001-05-29 | 2001-05-29 | High-quality wide frequency band double-groove deep corrugation loudspeaker feed source |
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| CN2481067Y true CN2481067Y (en) | 2002-03-06 |
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| CN 01225820 Expired - Fee Related CN2481067Y (en) | 2001-05-29 | 2001-05-29 | High-quality wide frequency band double-groove deep corrugation loudspeaker feed source |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841081A (en) * | 2009-03-17 | 2010-09-22 | 韩国电子通信研究院 | Double-ridged horn antenna having higher-order mode suppressor |
| CN102394375A (en) * | 2011-07-15 | 2012-03-28 | 中国工程物理研究院电子工程研究所 | Double-frequency broadband ripple horn feed antenna |
| CN103199326A (en) * | 2013-03-12 | 2013-07-10 | 东南大学 | Surface plasmon wave separator based on composite cycle and single cycle |
| CN103270648A (en) * | 2010-12-07 | 2013-08-28 | 洛桑联邦理工学院 | Corrugated components for millimeter, submillimeter and terahertz electromagnetic waves made by stacked rings |
| WO2015161718A1 (en) * | 2014-04-22 | 2015-10-29 | 中兴通讯股份有限公司 | Antenna and corrugated horn feed source thereof |
| CN106450780A (en) * | 2016-11-21 | 2017-02-22 | 中国科学院国家空间科学中心 | Dual-band corrugated horn antenna with single groove-deep structure |
| CN112615161A (en) * | 2020-12-08 | 2021-04-06 | 中国科学院新疆天文台 | 7-millimeter-wave-band broadband small-opening-angle shaped corrugated horn feed source |
| CN112615162A (en) * | 2020-12-14 | 2021-04-06 | 西安电子科技大学 | Common-caliber three-frequency multi-mode horn antenna |
-
2001
- 2001-05-29 CN CN 01225820 patent/CN2481067Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841081A (en) * | 2009-03-17 | 2010-09-22 | 韩国电子通信研究院 | Double-ridged horn antenna having higher-order mode suppressor |
| CN103270648A (en) * | 2010-12-07 | 2013-08-28 | 洛桑联邦理工学院 | Corrugated components for millimeter, submillimeter and terahertz electromagnetic waves made by stacked rings |
| CN102394375A (en) * | 2011-07-15 | 2012-03-28 | 中国工程物理研究院电子工程研究所 | Double-frequency broadband ripple horn feed antenna |
| CN102394375B (en) * | 2011-07-15 | 2014-06-25 | 中国工程物理研究院电子工程研究所 | Double-frequency broadband ripple horn feed antenna |
| CN103199326A (en) * | 2013-03-12 | 2013-07-10 | 东南大学 | Surface plasmon wave separator based on composite cycle and single cycle |
| CN103199326B (en) * | 2013-03-12 | 2015-03-04 | 东南大学 | Surface plasmon wave separator based on composite cycle and single cycle |
| WO2015161718A1 (en) * | 2014-04-22 | 2015-10-29 | 中兴通讯股份有限公司 | Antenna and corrugated horn feed source thereof |
| CN105024171A (en) * | 2014-04-22 | 2015-11-04 | 中兴通讯股份有限公司 | Antenna and corrugated horn feed source thereof |
| CN105024171B (en) * | 2014-04-22 | 2018-10-16 | 中兴通讯股份有限公司 | A kind of antenna and its corrugation loudspeaker feed source |
| CN106450780A (en) * | 2016-11-21 | 2017-02-22 | 中国科学院国家空间科学中心 | Dual-band corrugated horn antenna with single groove-deep structure |
| CN106450780B (en) * | 2016-11-21 | 2019-07-09 | 中国科学院国家空间科学中心 | A kind of two-band corrugated horn of list groove depth structure |
| CN112615161A (en) * | 2020-12-08 | 2021-04-06 | 中国科学院新疆天文台 | 7-millimeter-wave-band broadband small-opening-angle shaped corrugated horn feed source |
| CN112615162A (en) * | 2020-12-14 | 2021-04-06 | 西安电子科技大学 | Common-caliber three-frequency multi-mode horn antenna |
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| CF01 | Termination of patent right due to non-payment of annual fee |