CN108258427A - A kind of concealed feed ridge waveguide slot antenna - Google Patents
A kind of concealed feed ridge waveguide slot antenna Download PDFInfo
- Publication number
- CN108258427A CN108258427A CN201711400071.0A CN201711400071A CN108258427A CN 108258427 A CN108258427 A CN 108258427A CN 201711400071 A CN201711400071 A CN 201711400071A CN 108258427 A CN108258427 A CN 108258427A
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- Prior art keywords
- ridge waveguide
- ridge
- waveguide
- cavity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of concealed feed ridge waveguide slot antennas, the waveguide of slit source wave crest and ridge ripple guiding coaxial converter including interconnection, the slit source wave crest waveguide includes ridge waveguide, several radiating slots for being arranged on ridge waveguide upper surface, the ridge ripple guiding coaxial converter includes ridge waveguide cavity and sub-miniature A connector, the bottom surface of the ridge waveguide and ridge waveguide cavity is provided with tongue, the cross section of ridge waveguide and ridge waveguide cavity is in undercut type, metal platform is provided in the tongue of ridge waveguide cavity, sub-miniature A connector is threaded through in metal platform；Rational radiating slot layout is carried out on ridge waveguide, has achieved the effect that High-gain low-sidelobe；Metal platform is provided in ridge ripple guiding coaxial converter, sub-miniature A connector is hidden and is arranged in ridge ripple guiding coaxial converter, achievees the effect that rationally to utilize space and protection sub-miniature A connector, and achieved the effect that reduce antenna size.
Description
Technical field
The present invention relates to microwave technical fields more particularly to one kind to be applied to vehicle-mounted, airborne, carrier-borne, missile-borne, meteorology, boat
Various concealed feed ridge waveguide slot antennas such as pipe, port pipe radar system.
Background technology
Waveguide slot antenna is with radar system development and the product of birth, and the ground appeared in earliest in World War II is prevented
Empty radar, with continuously improving for processing technology, scientific and technological is constantly progressive, and new antenna emerges in an endless stream, and operation strategies are also more
Extensively, civil field is extended to from national defence, military aspect includes all kinds of early warning radars, guidance radar, detection radar etc., the people
There are weather radar, air traffic control radar, maritime affairs radar etc. with aspect.
Document " design of broadband Single Ridged Waveguide Antenna battle array " (delivers periodical：Modern electronic technology, date issued：2006, make
Person：Jin Jian, Wang Wei, Wan Xiaomei) a kind of design of broadband Single Ridged Waveguide Antenna is given, antenna is divided into several submatrixs, and leads to
Later square waveguide power divider is fed.The antenna has reduced waveguide dimensions in the form of ridge waveguide, but is cut in waveguide
Gap size and position all same, the effect of Sidelobe is not achieved, is presented by the way of waveguide power divider feed in addition
Electricity causes antenna overall dimensions larger, so there is presently no meet low-cross polarization and low sidelobe while volume is reduced
It is required that ridge waveguide slot antenna.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of size reductions, rational in infrastructure, and have
The concealed feed ridge waveguide slot antenna of low-cross polarization, low sidelobe.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of concealed feed ridge waveguide slot antenna, the waveguide of slit source wave crest and ridge waveguide including interconnection are coaxial
Converter, the slit source wave crest waveguide include ridge waveguide, several radiating slots for being arranged on ridge waveguide upper surface, the ridge ripple
Guiding coaxial converter includes ridge waveguide cavity and sub-miniature A connector, and the bottom surface of the ridge waveguide and ridge waveguide cavity is provided with tongue,
The cross section of ridge waveguide and ridge waveguide cavity is in undercut type, is provided with metal platform in the tongue of ridge waveguide cavity, sub-miniature A connector is worn
In metal platform.
As being further improved for said program, the sub-miniature A connector includes connecting rod, the circle for being arranged on connecting rod upper end
Platform, the locating plate being set in connecting rod, the connecting rod are threaded through in metal platform, and the round platform is located in ridge waveguide cavity.
As being further improved for said program, at least one first positioning hole, the gold are provided on the locating plate
Belong to and be provided with the second location hole coordinated with first positioning hole on platform.
As being further improved for said program, one end closing one end open of the ridge waveguide cavity, ridge waveguide cavity
Openend be provided with several first erecting beds, one end of the ridge waveguide is provided with the second installation coordinated with the first erecting bed
Platform.
As being further improved for said program, the width all same of the radiating slot, the length of radiating slot is not
It is identical.
As being further improved for said program, center line of the radiating slot difference along ridge waveguide top surface or so friendship
Mistake distribution, the distance of each radiating slot off center line are different.
Beneficial effects of the present invention：
A kind of concealed feed ridge waveguide slot antenna of the invention, offers several radiating slots, ridge ripple on ridge waveguide
Guiding coaxial converter introduces the energy of feeder line in slit source wave crest waveguide, and waveguide has been encouraged using ridge ripple guiding coaxial converter
Electromagnetic field, and it is made to be propagated in ridge waveguide, rational radiating slot layout is carried out on ridge waveguide, it is low to have reached high-gain
The effect of secondary lobe；Metal platform is provided in ridge ripple guiding coaxial converter, sub-miniature A connector is hidden and is arranged on ridge ripple guiding coaxial converter
It is interior, achieve the effect that rationally to utilize space and protection sub-miniature A connector, and achieved the effect that reduce antenna size；It is this compact
Structure can be placed on variety carrier, suitable for a variety of occasions, be particularly suitable for Large Phased Array Radar system, in addition this
Kind fabricated structure is more conducive to the debugging and maintenance of antenna.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is the part of the embodiment of the present invention rather than all implements
Example, without creative efforts, other that can also be obtained according to these attached drawings are set those skilled in the art
Meter scheme and attached drawing：
Fig. 1 is present pre-ferred embodiments structure diagram；
Fig. 2 is the front view of present pre-ferred embodiments ridge waveguide；
Fig. 3 is the half-section diagram in AA directions in Fig. 2；
Fig. 4 is the decomposition diagram of present pre-ferred embodiments ridge ripple guiding coaxial converter；
Fig. 5 is the front view of present pre-ferred embodiments ridge ripple guiding coaxial converter；
Fig. 6 is the half sectional view of present pre-ferred embodiments ridge waveguide cavity；
Fig. 7 is the stickogram of the concealed feed ridge waveguide slot antenna of present pre-ferred embodiments；
Fig. 8 is the antenna pattern of the concealed feed ridge waveguide slot antenna of present pre-ferred embodiments.
Specific embodiment
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright part of the embodiment rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art is not paying
The other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.
Referring to figs. 1 to Fig. 6, a kind of concealed feed ridge waveguide slot antenna, the slit source wave crest wave including interconnection
1 and ridge ripple guiding coaxial converter 2 are led, if the slit source wave crest waveguide 1 includes ridge waveguide 3, is arranged on 3 upper surface of ridge waveguide
Dry radiating slot 4, the ridge ripple guiding coaxial converter 2 include ridge waveguide cavity 5 and sub-miniature A connector 6, the ridge waveguide 3 and ridge ripple
The bottom surface of guide cavity body 5 is provided with tongue, the cross section of ridge waveguide 3 and ridge waveguide cavity 5 in undercut type, ridge waveguide cavity 5
Metal platform 7 is provided in tongue, sub-miniature A connector 6 is threaded through in metal platform 7.
Metal platform 7 in ridge ripple guiding coaxial converter 2 is used for installing sub-miniature A connector 6, and the setting of this metal platform 7 is abundant
The tongue of ridge waveguide 3 is utilized, space is not only rationally utilized, has achieved the effect that reduce antenna size, and conceal portion
Divide sub-miniature A connector 6, sub-miniature A connector 6 is mounted in metal platform 7 and can be protected well, reduces its impaired probability.It is this
Compact structure can be placed on variety carrier, suitable for a variety of occasions, be particularly suitable for Large Phased Array Radar system, this
Outer this fabricated structure is more conducive to the debugging and maintenance of antenna
The sub-miniature A connector 6 includes connecting rod 61, the round platform 62 for being arranged on 61 upper end of connecting rod, is set in connecting rod 61
Locating plate 63, the connecting rod 61 is threaded through in metal platform 7, and the round platform 62 is located in ridge waveguide cavity 5.The round platform 62
Be the key that for couple electromagnetic can, the size of round platform 62 and placement position affects 62 He of round platform in ridge waveguide cavity 5
The coaxial state and matching status of ridge waveguide 3 limit sub-miniature A connector 6 using metal platform 7, can ensure the position of round platform 62
It puts determining so that antenna has achieved the effect that High-gain low-sidelobe.At least one first positioning is provided on the locating plate 63
Hole 64 is provided with the second location hole 8 coordinated with first positioning hole 64 on the metal platform 7.
One end closing one end open of the ridge waveguide cavity 5, the openend of ridge waveguide cavity 5 are provided with several first peaces
Platform 9 is filled, one end of the ridge waveguide 3 is provided with the second erecting bed 10 coordinated with the first erecting bed 9, for fixing ridge ripple guide cavity
Body 5 and ridge waveguide 3.
The width all same of the radiating slot 4, the length of radiating slot 4 differ, the radiating slot 4 edge respectively
Center line of 3 upper surface of ridge waveguide or so is interspersed, and the distance of each 4 off center line of radiating slot is different.This implementation
4 width of radiating slot in example is 4mm, and within the scope of 50mm~60mm, the vertical range of distance center line is less than length
3mm。
Electromagnetic wave can be with TE in seamless ridge waveguide10Pattern is propagated inside it, in the metallic walls of ridge waveguide 3
On have the surface current of even variation.These along center line both sides cut radiating slot 4 will cutting damage originally it is uniform
The surface current of variation, so as to leak the electromagnetic energy inside ridge waveguide 3, each radiating slot 4 on ridge waveguide 3 has
Difference, therefore the energy leaked out from each radiating slot 4 is different, the radiating slot 4 in the present embodiment is according to certain
Taylor's distribution is weighted, and antenna is finally made to have the radiation characteristic of high-gain Sidelobe.
With reference to the experimental data of Fig. 7 and Fig. 8, the waveguide narrow side in this preferred embodiment is opened using ANSYS HFSS softwares
It stitches antenna array and carries out modeling and simulating, simulated return loss is as shown in fig. 7, figure acceptance of the bid shows -10dB datum lines, it is illustrated that shows
The antenna can be in the frequency point centered on 2.85GHz, the band operation of each 150MHz in left and right.Fig. 8 gives the antenna and exists
Antenna pattern under 2.85GHz, main beam sidelobe level are -31.66dB, in 3dB beam areas cross polarization level less than -
54.4dB。
Data show that this structure realizes the low sidelobe characteristic of antenna, low-cross polarization characteristic, low-loss and small ruler
Very little feature can be applied to a variety of occasions, be particularly suitable for Large Phased Array Radar system.
It is that presently preferred embodiments of the present invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications under the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (6)
1. a kind of concealed feed ridge waveguide slot antenna, it is characterised in that：Slit source wave crest waveguide (1) including interconnection
And ridge ripple guiding coaxial converter (2), the slit source wave crest waveguide (1) including ridge waveguide (3), be arranged on ridge waveguide (3) upper table
Several radiating slots (4) in face, the ridge ripple guiding coaxial converter (2) includes ridge waveguide cavity (5) and sub-miniature A connector (6), described
Ridge waveguide (3) and the bottom surface of ridge waveguide cavity (5) are provided with tongue, and ridge waveguide (3) and the cross section of ridge waveguide cavity (5) are in
Undercut type, metal platform (7) is provided in the tongue of ridge waveguide cavity (5), and sub-miniature A connector (6) is threaded through in metal platform (7).
2. concealed feed ridge waveguide slot antenna according to claim 1, it is characterised in that：Sub-miniature A connector (6) packet
Include connecting rod (61), the round platform (62) for being arranged on connecting rod (61) upper end, the locating plate (63) being set in connecting rod (61), institute
It states connecting rod (61) to be threaded through in metal platform (7), the round platform (62) is located in ridge waveguide cavity (5).
3. concealed feed ridge waveguide slot antenna according to claim 2, it is characterised in that：On the locating plate (63)
At least one first positioning hole (64) is provided with, second with first positioning hole (64) cooperation is provided on the metal platform (7)
Location hole (8).
4. concealed feed ridge waveguide slot antenna according to claim 1, it is characterised in that：The ridge waveguide cavity
(5) one end closing one end open, the openend of ridge waveguide cavity (5) is provided with several first erecting beds (9), the ridge waveguide
(3) one end is provided with the second erecting bed (10) coordinated with the first erecting bed (9).
5. concealed feed ridge waveguide slot antenna according to claim 1, it is characterised in that：The radiating slot (4)
Width all same, the length of radiating slot (4) differs.
6. concealed feed ridge waveguide slot antenna according to claim 1, it is characterised in that：The radiating slot (4)
It is interspersed respectively along center line of ridge waveguide (3) upper surface or so, the distance of each radiating slot (4) off center line is not
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400071.0A CN108258427B (en) | 2017-12-22 | 2017-12-22 | Hidden feed ridge waveguide slot antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400071.0A CN108258427B (en) | 2017-12-22 | 2017-12-22 | Hidden feed ridge waveguide slot antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108258427A true CN108258427A (en) | 2018-07-06 |
| CN108258427B CN108258427B (en) | 2023-09-15 |
Family
ID=62723779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711400071.0A Active CN108258427B (en) | 2017-12-22 | 2017-12-22 | Hidden feed ridge waveguide slot antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108258427B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149126A (en) * | 2018-08-30 | 2019-01-04 | 成都赛康宇通科技有限公司 | Phased array antenna gap waveguide layer preparation process |
| CN109672026A (en) * | 2018-12-11 | 2019-04-23 | 上海无线电设备研究所 | A kind of broadband millimeter-wave wave guide slot array antenna that modularization is integrated |
| CN110753025A (en) * | 2019-01-07 | 2020-02-04 | 陈庆梅 | Big data security access control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000979A (en) * | 2006-12-30 | 2007-07-18 | 中国电子科技集团公司第三十八研究所 | Broadband single ridge waveguide broadside longitudinal seam standing-wave antenna |
| CN101609916A (en) * | 2009-06-18 | 2009-12-23 | 电子科技大学 | A kind of 18-40GHz double balanced mixer of star structure |
| CN102324624A (en) * | 2011-06-09 | 2012-01-18 | 中国工程物理研究院电子工程研究所 | A kind of ultra broadband Waveguide slot array element |
| US20150035623A1 (en) * | 2013-08-02 | 2015-02-05 | Electronics And Telecommunications Research Institute | Variable high frequency filter device and assembly |
| JP2017200001A (en) * | 2016-04-26 | 2017-11-02 | 学校法人鶴学園 | Waveguide slot antenna |
| CN207638005U (en) * | 2017-12-22 | 2018-07-20 | 珠海纳睿达科技有限公司 | A kind of concealed feed ridge waveguide slot antenna |
-
2017
- 2017-12-22 CN CN201711400071.0A patent/CN108258427B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000979A (en) * | 2006-12-30 | 2007-07-18 | 中国电子科技集团公司第三十八研究所 | Broadband single ridge waveguide broadside longitudinal seam standing-wave antenna |
| CN101609916A (en) * | 2009-06-18 | 2009-12-23 | 电子科技大学 | A kind of 18-40GHz double balanced mixer of star structure |
| CN102324624A (en) * | 2011-06-09 | 2012-01-18 | 中国工程物理研究院电子工程研究所 | A kind of ultra broadband Waveguide slot array element |
| US20150035623A1 (en) * | 2013-08-02 | 2015-02-05 | Electronics And Telecommunications Research Institute | Variable high frequency filter device and assembly |
| JP2017200001A (en) * | 2016-04-26 | 2017-11-02 | 学校法人鶴学園 | Waveguide slot antenna |
| CN207638005U (en) * | 2017-12-22 | 2018-07-20 | 珠海纳睿达科技有限公司 | A kind of concealed feed ridge waveguide slot antenna |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149126A (en) * | 2018-08-30 | 2019-01-04 | 成都赛康宇通科技有限公司 | Phased array antenna gap waveguide layer preparation process |
| CN109672026A (en) * | 2018-12-11 | 2019-04-23 | 上海无线电设备研究所 | A kind of broadband millimeter-wave wave guide slot array antenna that modularization is integrated |
| CN109672026B (en) * | 2018-12-11 | 2021-06-04 | 上海无线电设备研究所 | Modularized integrated broadband millimeter wave waveguide slot antenna array |
| CN110753025A (en) * | 2019-01-07 | 2020-02-04 | 陈庆梅 | Big data security access control method |
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| Publication number | Publication date |
|---|---|
| CN108258427B (en) | 2023-09-15 |
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Address after: No.2 Gangle Road, Tangjiawan Town, Zhuhai City, Guangdong Province 519080 Applicant after: Guangdong Narui Radar Technology Co.,Ltd. Address before: No.2 Gangle Road, Tangjiawan Town, Zhuhai City, Guangdong Province 519080 Applicant before: NARUIDA TECHNOLOGY Ltd. |
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