CN108039583A - A kind of high band millimeter wave feed - Google Patents
A kind of high band millimeter wave feed Download PDFInfo
- Publication number
- CN108039583A CN108039583A CN201711050840.9A CN201711050840A CN108039583A CN 108039583 A CN108039583 A CN 108039583A CN 201711050840 A CN201711050840 A CN 201711050840A CN 108039583 A CN108039583 A CN 108039583A
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- Prior art keywords
- sleeve
- reducer
- end cap
- mold segment
- major diameter
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Classifications
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- 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
-
- 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
- H01Q13/02—Waveguide horns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
- H01Q5/55—Feeding or matching arrangements for broad-band or multi-band operation for horn or waveguide antennas
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- Waveguide Aerials (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to antenna-feeder system field, in particular relates to a kind of high band millimeter wave feed, including reducer, change mold segment, changeover portion and the radiant section for being arranged in order, abutting；The reducer, change mold segment, changeover portion, radiant section are cylindrical shape, and reducer, change mold segment, changeover portion, the interior diameter of radiant section become larger successively；The changeover portion includes becoming frequency range and angular-varying section, becomes frequency range and is set close to mold segment is become, angular-varying section is set close to radiant section；The change frequency range, the interior diameter of angular-varying section become larger successively.The trueness error of high band millimeter wave feed provided by the invention is small, production qualification rate is high, reduces the production cost of high band millimeter wave feed, enhances the gain of high band millimeter wave feed, improves the working performance of high band millimeter wave feed.
Description
Technical field
The invention belongs to antenna-feeder system field, in particular relates to a kind of high band millimeter wave feed.
Background technology
High band millimeter wave feed is mainly used as millimetre-wave radar and the core devices of microwave radiometer antenna-feeder system
The primary radiator of antenna, effective irradiation is provided for antenna, and ensures that polarization direction is consistent.It can be seen from the above that high band millimeter
Ripple feed is the important devices for determining electrical characteristics of a antenna and frequency range, to realize as far as possible high gain.
Corrugated horn structure of the high band millimeter wave feed especially with loading groove is complex, overall not easily molded, because
This existing corrugated horn structure generally use electrochemical corrosion carries out global formation or carries out group using two and half ring shapes
The frame mode of dress, there are high rejection rate, trueness error is big, qualification rate is low, production cost is high the shortcomings that.
The content of the invention
According to problems of the prior art, the present invention provides a kind of high band millimeter wave feed, high band milli
The trueness error of metric wave feed is small, production qualification rate is high, reduces the production cost of high band millimeter wave feed, enhances high frequency
The gain of section millimeter wave feed, improves the working performance of high band millimeter wave feed.
The present invention uses following technical scheme：
A kind of high band millimeter wave feed, including reducer, change mold segment, changeover portion and the spoke for being arranged in order, abutting
Penetrate section；The reducer, become mold segment, changeover portion, radiant section be cylindrical shape, reducer, become mold segment, changeover portion, radiant section
Interior diameter becomes larger successively.
Preferably, the changeover portion includes becoming frequency range and angular-varying section, becomes frequency range and is set close to mold segment is become, angular-varying section is close to spoke
Penetrate section setting；The change frequency range, the interior diameter of angular-varying section become larger successively.
It is further preferred that the reducer, become mold segment, become frequency range, the axis of angular-varying section and radiant section mutually coincides；
The reducer, change mold segment are fixed in minor diameter sleeve, and radiant section is fixed in major diameter sleeve, and changeover portion, which is fixed on, to be located at
In intermediate sleeve between minor diameter sleeve and major diameter sleeve；Between the minor diameter sleeve and intermediate sleeve, major diameter set
It is fixedly connected between cylinder and intermediate sleeve；The outboard end of the minor diameter sleeve is equipped with the smaller diameter end for being secured to connection
Lid, the outboard end of major diameter sleeve are equipped with the major diameter end cap for being secured to connection；The outboard end of the reducer is resisted against small
On the medial surface of diameter end cap, the outboard end of radiant section is resisted against on the medial surface of major diameter end cap.
Still more preferably, the minor diameter end cap and major diameter end cap are annular shape, minor diameter end cap it is interior straight
Footpath is less than the interior diameter of minor diameter sleeve, and the interior diameter of major diameter end cap is less than the interior diameter of major diameter sleeve.
Still more preferably, the interior diameter of the reducer is become larger by its outboard end to close to change mold segment, institute
The outboard end for stating reducer is connected in the inner ring of minor diameter end cap；The outboard end of the reducer is connected equipped with multiple with waveguide
Connecting hole, the outer surface in the centre position of reducer is provided with annular recess.
Still more preferably, the change mold segment includes at least one ring loading disk, and the ring loading disk is in annulus
Shape, the radially inner side of circular ring loading disk are equipped with inner ring, the boss of reducer protrusion, institute are provided towards in the inner ring
State boss the end face towards reducer side be less than boss where ring loading disk corresponding side end face, boss it is remote
The end face of reducer side and the end face of the corresponding side of ring loading disk are flush；When ring loading disk is arranged to multiple, from
Close to reducer to the ring loading disk away from reducer on the height of boss gradually reduce, the interior diameter of boss is from reducer
A side for being laterally away from reducer gradually increase.
Still more preferably, change frequency range, angular-varying section and the radiant section include at least one wave groove disk, described
Wave groove disk is in annular shape；The inner ring surface of circular wave groove disk is equipped with the ring plate that radially inner side is stretched out, described
Ring plate is arranged on the side of the remote change mold segment of wave groove disk, and the end face of the side of the remote change mold segment of ring plate and place
The end face of the corresponding side of wave groove disk；The interior diameter of the ring plate is laterally away from the side for becoming mold segment from become mold segment one
Become larger；It is resisted against close to the wave groove disk for becoming mold segment on the end face of minor diameter sleeve, the wave groove close to radiant section is justified
Piece is resisted against on radiant section；Wave groove disk close to angular-varying section is resisted against on the end face of intermediate sleeve, close to major diameter end cap
Wave groove disk be connected in the inner ring of major diameter end cap.
Still more preferably, between the minor diameter end cap and minor diameter sleeve, minor diameter sleeve and intermediate sleeve it
Between, be connected by seam allowance between intermediate sleeve and major diameter sleeve, between major diameter sleeve and major diameter end cap, and institute
State between minor diameter end cap and minor diameter sleeve, between minor diameter sleeve and intermediate sleeve, intermediate sleeve and major diameter sleeve it
Between, be fixedly connected by connector between major diameter sleeve and major diameter end cap.
Still more preferably, the reducer, become mold segment, become frequency range, is angular-varying section, radiant section, minor diameter sleeve, big straight
Footpath sleeve, intermediate sleeve, minor diameter end cap, major diameter end cap use H62 brass.
The beneficial effects of the present invention are：
1) high band millimeter wave feed of the invention includes reducer, becomes mold segment, becomes frequency range, angular-varying section and radiant section, institute
State reducer, become mold segment be fixed in minor diameter sleeve, radiant section is fixed in major diameter sleeve, and changeover portion is fixed on positioned at small
In intermediate sleeve between diameter sleeve and major diameter sleeve；Between the minor diameter sleeve and intermediate sleeve, major diameter sleeve
It is fixedly connected between intermediate sleeve；The outboard end of the minor diameter sleeve is equipped with the minor diameter end cap for being secured to connection,
The outboard end of major diameter sleeve is equipped with the major diameter end cap for being secured to connection；The outboard end of the reducer is resisted against minor diameter
On the medial surface of end cap, the outboard end of radiant section is resisted against on the medial surface of major diameter end cap.The feed structure of the present invention will be presented
The high manufacturing accuracy requirement of source inner chamber body is converted into the positioning accuracy and assembly precision of sleeve, and common numerically-controlled machine tool can just meet
Processing request, so as to reduce the equipment requirement of feed processing, improves the machining accuracy and qualification rate of feed, reduces high frequency
The production cost of section millimeter wave feed.
2) in high band millimeter wave feed of the invention, ring loading disk is in annular shape, the footpath of circular ring loading disk
Inner ring is equipped with inwardly, and the boss of reducer protrusion is provided towards in the inner ring；The wave groove disk is in annular shape, circle
The inner ring surface of cricoid wave groove disk is equipped with the ring plate that radially inner side is stretched out.Become the structure of the ring loading disk in mold segment
Set, by the TE in waveguide11Mould is converted to HE11Will not cause during mould significantly mismatch will not cause it is non-essential significantly swash
Encourage, and wave groove disk realizes radiant section and becomes subtended angle conversion, groove depth and the slot pitch conversion between mold segment, therefore, ring
The structure setting of disk and wave groove disk is loaded, the gain of high band millimeter wave feed is enhanced, improves high band millimeter
The working performance of ripple feed.
3) in high band millimeter wave feed of the invention, between the minor diameter end cap and minor diameter sleeve, minor diameter set
Between cylinder and intermediate sleeve, between intermediate sleeve and major diameter sleeve, between major diameter sleeve and major diameter end cap by only
Mouthful be connected, and between the minor diameter end cap and minor diameter sleeve, between minor diameter sleeve and intermediate sleeve, intermediate sleeve
It is fixedly connected between major diameter sleeve, between major diameter sleeve and major diameter end cap by connector.The present invention's is small straight
Between footpath end cap and minor diameter sleeve, between minor diameter sleeve and intermediate sleeve, between intermediate sleeve and major diameter sleeve, it is big straight
Be connected between footpath sleeve and major diameter end cap by seam allowance, play between end cap and sleeve, sleeve and sleeve it
Between in the spacing of radial direction；Meanwhile be fixedly connected between end cap of the invention and sleeve, between sleeve and sleeve by screw,
Play between end cap and sleeve, between sleeve and sleeve axial spacing and fixed so that sleeve can to reducer,
Become mold segment, change frequency range, angular-varying section and radiant section to carry out spacing well and fix.
4) in high band millimeter wave feed of the invention, the difficulty of processing of the whole each part of feed and required precision one
As, and the location hole having by each part and spacing mating surface ensure the precision of whole feed, without using electrochemistry
Corrosion and extraordinary machine tooling, while processing method avoids welding, electrochemical corrosion processing, assembling form fills for screw threads for fastening
Match somebody with somebody, assembling is more convenient, so as to significantly reduce the processing cost of whole feed.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram one of the high band millimeter wave feed of the present invention.
Fig. 2 is the three-dimensional structure diagram two of the high band millimeter wave feed of the present invention.
Fig. 3 a, Fig. 3 b respectively high band millimeter wave feed of the present invention sit by and watch figure and right view.
Fig. 4 is the structure sectional view of the high band millimeter wave feed of the present invention.
Fig. 5 is the scheme of installation of the high band millimeter wave feed and square external tapping of the present invention.
Fig. 6 is the high band millimeter wave feed of the invention analogous diagram under 51GHz frequency ranges.
Fig. 7 is the high band millimeter wave feed of the invention analogous diagram under 59GHz frequency ranges.
Reference numeral：1- reducers, 2- become mold segment, 3- changeover portions, 4- radiant sections, 5- minor diameter sleeves, 6- major diameter sets
Cylinder, 7- intermediate sleeves, 8- minor diameter end caps, 9- major diameter end caps, 11- connecting holes, 12- annular recess, 21- rings loading disk,
31- becomes frequency range, 32- angular-varying sections, 33- wave groove disks, 221- boss, 331- ring plates.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1, Figure 2, Fig. 3 a, Fig. 3 b, shown in Fig. 4, a kind of high band millimeter wave feed, including be arranged in order, mutually support
Reducer 1, change mold segment 2, changeover portion 3 and the radiant section 4 leaned on；The reducer 1, change mold segment 2, changeover portion 3, radiant section 4 are
Cylindrical shape, reducer 1, change mold segment 2, changeover portion 3, the interior diameter of radiant section 4 become larger successively.
The changeover portion 3 includes becoming frequency range 31 and angular-varying section 32, becomes frequency range 31 and is set close to mold segment 2 is become, angular-varying section 32 leans on
Nearly radiant section 4 is set；The change frequency range 31, the interior diameter of angular-varying section 32 become larger successively.
The reducer 1, become mold segment 2, become frequency range 31, the axis of angular-varying section 32 and radiant section 4 mutually coincides；The change
Footpath section 1, change mold segment 2 are fixed in minor diameter sleeve 5, and radiant section 4 is fixed in major diameter sleeve 6, and changeover portion 3, which is fixed on, to be located at
In intermediate sleeve 7 between minor diameter sleeve 5 and major diameter sleeve 6；Between the minor diameter sleeve 5 and intermediate sleeve 7, greatly directly
It is fixedly connected between footpath sleeve 6 and intermediate sleeve 7；The outboard end of the minor diameter sleeve 5, which is equipped with, is secured to the small of connection
Diameter end cap 8, the outboard end of major diameter sleeve 6 are equipped with the major diameter end cap 9 for being secured to connection；The outside of the reducer 1
End is resisted against on the medial surface of minor diameter end cap 8, and the outboard end of radiant section 4 is resisted against on the medial surface of major diameter end cap 9.
The minor diameter end cap 8 and major diameter end cap 9 are annular shape, and the interior diameter of minor diameter end cap 8 is less than minor diameter
The interior diameter of sleeve 5, the interior diameter of major diameter end cap 9 are less than the interior diameter of major diameter sleeve 6.
The interior diameter of the reducer 1 is become larger by its outboard end to close to change mold segment 2, outside the reducer 1
Side is connected in the inner ring of minor diameter end cap 8；The outboard end of the reducer 1 is equipped with multiple connecting holes being connected with waveguide
11, the outer surface in the centre position of reducer 1 is provided with annular recess 12.
The change mold segment 2 includes at least one ring loading disk 21, and the ring loading disk 21 is in annular shape, circular ring
The radially inner side of loading disk 21 is equipped with inner ring, and the boss 211 of the protrusion of reducer 1 is provided towards in the inner ring, described convex
The end face towards 1 side of reducer of platform 211 is less than the end face of the corresponding side of the ring loading disk 21 where boss 211, boss
The end face of 211 1 side of remote reducer and the end face of the corresponding side of ring loading disk 21 are flush；When ring loading disk 21 is set
When being set to multiple, the height of the boss 211 on ring loading disk 21 from close to reducer 1 to away from reducer 1 gradually reduces,
The side that the interior diameter of boss 211 is laterally away from reducer 1 from the one of reducer 1 gradually increases.
Change frequency range 31, angular-varying section 32 and the radiant section 4 include at least one wave groove disk 33, the wave groove circle
Piece 33 is in annular shape；The inner ring surface of circular wave groove disk 33 is equipped with the ring plate 331 that radially inner side is stretched out, the ring
Piece 331 is arranged on the side of the remote change mold segment 2 of wave groove disk 33, and the end face of the side of the remote change mold segment 2 of ring plate 331
With the end face of the corresponding side of the wave groove disk 33 at place；The interior diameter of the ring plate 331 is lateral remote from become mold segment 2 one
Become larger from the side for becoming mold segment 2；It is resisted against on the end face of minor diameter sleeve 5, leans on close to the wave groove disk 33 for becoming mold segment 2
The wave groove disk 33 of nearly radiant section 4 is resisted against on radiant section 4；Wave groove disk 33 close to angular-varying section 32 is resisted against intermediate sleeve
On the end face of cylinder 7, the wave groove disk 33 close to major diameter end cap 9 is connected in the inner ring of major diameter end cap 9.
Between the minor diameter end cap 8 and minor diameter sleeve 5, between minor diameter sleeve 5 and intermediate sleeve 7, intermediate sleeve 7
It is connected between major diameter sleeve 6, between major diameter sleeve 6 and major diameter end cap 9 by seam allowance, and the minor diameter
Between end cap 8 and minor diameter sleeve 5, between minor diameter sleeve 5 and intermediate sleeve 7, between intermediate sleeve 7 and major diameter sleeve 6,
It is fixedly connected between major diameter sleeve 6 and major diameter end cap 9 by connector.
The reducer 1, become mold segment 2, become frequency range 31, angular-varying section 32, radiant section 4, minor diameter sleeve 5, major diameter sleeve
6th, intermediate sleeve 7, minor diameter end cap 8, major diameter end cap 9 use H62 brass.
The antenna applicator in the present invention is illustrated with reference to embodiment.
Embodiment 1：
As shown in figure 5, according to the otherness of wave groove inside feed, by the change mold segment 2 of feed, become frequency range 31, angular-varying section
32nd, radiant section 4 is divided into independent disk, that is, becomes mold segment 2 and divide into multiple rings loading disk 21, become frequency range 31, angular-varying section 32, spoke
Penetrate section 4 and be divided into wave groove disk 33；Then reducer 1 and change mold segment 2 are fixed in minor diameter sleeve 5, frequency range 31 will be become
It is fixed on angular-varying section 32 in intermediate sleeve 7, radiant section 4 is fixed in major diameter sleeve 6, is completed reducer 1, becomes mold segment
2nd, the spacing fixation of frequency range 31, angular-varying section 32 and radiant section 4 in radial direction is become；Again by between minor diameter sleeve 5 and intermediate sleeve 7,
It is fixedly connected between intermediate sleeve 7 and major diameter sleeve 6 by screw, passes through minor diameter close to a side of minor diameter sleeve 5
8 spacing fixation of end cap, close to a side of major diameter sleeve 6 by the 9 spacing fixation of major diameter end cap, so as to complete reducer
1st, become mold segment 2, become frequency range 31, angular-varying section 32 and radiant section 4 in axial spacing fixation.
When this feed works, by between minor diameter end cap 8, minor diameter sleeve 5, intermediate sleeve 7, major diameter sleeve 6,
The mounting hole on ring-type convex block in major diameter end cap 9, this feed is installed in the external tapping frame of square, then passes through change
Connecting hole 11 on 1 outboard end of section of footpath, this feed is connected with waveguide；Reducer 1 is used to make to realize between change mold segment 2 and waveguide
Good matching, becomes mold segment 2 by the TE in waveguide11Mould is converted to HE11Mould, without cause significantly mismatch will not cause
Non-essential significantly excitation, becomes frequency range 31 and angular-varying section 32 for realizing the subtended angle conversion between radiant section and change mold segment, groove depth
Degree and slot pitch conversion, radiant section mainly determine main mould HE11The main polarization feature of mould.
As shown in Figure 6 and Figure 7, Fig. 6 and Fig. 7 is respectively the high band millimeter wave feed of the present invention in 51GHz and 59GHz frequencies
Analogous diagram under section.It can be obtained by Fig. 6 and Fig. 7, the gain of high band millimeter wave feed of the invention under 51GHz frequency ranges is
23.1dBi, the gain under 59GHz frequency ranges are 24.3dBi.And with the conventional feed under frequency range under 51GHz and 59GHz frequency ranges
Gain be 21dBi and 23dBi or so；It can be seen from the above that the high band millimeter wave feed of the present invention is in 51GHz and 59GHz frequency ranges
Under gain improve 1~2dBi compared to conventional feed.
In conclusion the trueness error of the high band millimeter wave feed of the present invention is small, production qualification rate is high, high frequency is reduced
The production cost of section millimeter wave feed, enhances the gain of high band millimeter wave feed, improves high band millimeter wave feed
Working performance.
Claims (9)
- A kind of 1. high band millimeter wave feed, it is characterised in that：Including be arranged in order, abut reducer (1), become mold segment (2), changeover portion (3) and radiant section (4)；The reducer (1), change mold segment (2), changeover portion (3), radiant section (4) are cylinder Shape, reducer (1), change mold segment (2), changeover portion (3), the interior diameter of radiant section (4) become larger successively.
- A kind of 2. high band millimeter wave feed according to claim 1, it is characterised in that：The changeover portion (3) includes becoming Frequency range (31) and angular-varying section (32), become frequency range (31) and are set close to mold segment (2) is become, angular-varying section (32) is set close to radiant section (4)； The change frequency range (31), the interior diameter of angular-varying section (32) become larger successively.
- A kind of 3. high band millimeter wave feed according to claim 2, it is characterised in that：The reducer (1), become mold segment (2), the axis for becoming frequency range (31), angular-varying section (32) and radiant section (4) mutually coincides；The reducer (1), become mold segment (2) It is fixed in minor diameter sleeve (5), radiant section (4) is fixed in major diameter sleeve (6), and changeover portion (3) is fixed on positioned at small straight In intermediate sleeve (7) between footpath sleeve (5) and major diameter sleeve (6)；The minor diameter sleeve (5) and intermediate sleeve (7) it Between, be fixedly connected between major diameter sleeve (6) and intermediate sleeve (7)；The outboard end of the minor diameter sleeve (5) is equipped with and it The minor diameter end cap (8) being fixedly connected, the outboard end of major diameter sleeve (6) are equipped with the major diameter end cap (9) for being secured to connection； The outboard end of the reducer (1) is resisted against on the medial surface of minor diameter end cap (8), and the outboard end of radiant section (4) is resisted against greatly On the medial surface of diameter end cap (9).
- A kind of 4. high band millimeter wave feed according to claim 3, it is characterised in that：The minor diameter end cap (8) and Major diameter end cap (9) is annular shape, and the interior diameter of minor diameter end cap (8) is less than the interior diameter of minor diameter sleeve (5), major diameter The interior diameter of end cap (9) is less than the interior diameter of major diameter sleeve (6).
- A kind of 5. high band millimeter wave feed according to claim 4, it is characterised in that：The reducer (1) it is interior straight Footpath is become larger by its outboard end to close to change mold segment (2), and the outboard end of the reducer (1) is connected to minor diameter end cap (8) in inner ring；The outboard end of the reducer (1) is equipped with multiple connecting holes (11) being connected with waveguide, in reducer (1) Between the outer surface of position be provided with annular recess (12).
- A kind of 6. high band millimeter wave feed according to claim 5, it is characterised in that：The change mold segment (2) is included extremely Few ring loading disk (21), the ring loading disk (21) are inside in annular shape, the footpath of circular ring loading disk (21) Side is equipped with inner ring, and the prominent boss (211) of reducer (1) is provided towards in the inner ring, and the direction of the boss (211) becomes The end face of footpath section (1) side loads the end face of the corresponding side of disk (21) less than the ring where boss (211), boss (211) End face and the end face of the corresponding side of ring loading disk (21) away from reducer (1) side are flush；When ring loading disk (21) When being arranged to multiple, the height of the boss (211) on ring loading disk (21) from close to reducer (1) to away from reducer (1) Degree gradually reduces, and the side that the interior diameter of boss (211) is laterally away from reducer (1) from the one of reducer (1) gradually increases.
- A kind of 7. high band millimeter wave feed according to claim 6, it is characterised in that：The change frequency range (31), angle Section (32) and radiant section (4) include at least one wave groove disk (33), and the wave groove disk (33) is in annular shape；Annulus The inner ring surface of the wave groove disk (33) of shape is equipped with the ring plate (331) that radially inner side is stretched out, and the ring plate (331) is arranged on The side of the remote change mold segment (2) of wave groove disk (33), and the end face of the side of the remote change mold segment (2) of ring plate (331) with The end face of the corresponding side of the wave groove disk (33) at place；The interior diameter of the ring plate (331) becomes the side of mold segment (2) certainly Become larger to away from the side for becoming mold segment (2)；Minor diameter sleeve is resisted against close to the wave groove disk (33) for becoming mold segment (2) (5) on end face, the wave groove disk (33) close to radiant section (4) is resisted against on radiant section (4)；Close to the ripple of angular-varying section (32) Groove disk (33) is resisted against on the end face of intermediate sleeve (7), and the wave groove disk (33) close to major diameter end cap (9) is connected to In the inner ring of major diameter end cap (9).
- A kind of 8. high band millimeter wave feed according to claim 7, it is characterised in that：The minor diameter end cap (8) with Between minor diameter sleeve (5), between minor diameter sleeve (5) and intermediate sleeve (7), intermediate sleeve (7) and major diameter sleeve (6) it Between, be connected by seam allowance between major diameter sleeve (6) and major diameter end cap (9), and the minor diameter end cap (8) with it is small Between diameter sleeve (5), between minor diameter sleeve (5) and intermediate sleeve (7), intermediate sleeve (7) and major diameter sleeve (6) it Between, be fixedly connected by connector between major diameter sleeve (6) and major diameter end cap (9).
- A kind of 9. high band millimeter wave feed according to claim 8, it is characterised in that：The reducer (1), become mold segment (2), become frequency range (31), angular-varying section (32), radiant section (4), minor diameter sleeve (5), major diameter sleeve (6), intermediate sleeve (7), Minor diameter end cap (8), major diameter end cap (9) use H62 brass.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711050840.9A CN108039583B (en) | 2017-10-31 | 2017-10-31 | High-frequency-band millimeter wave feed source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711050840.9A CN108039583B (en) | 2017-10-31 | 2017-10-31 | High-frequency-band millimeter wave feed source |
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| CN108039583A true CN108039583A (en) | 2018-05-15 |
| CN108039583B CN108039583B (en) | 2020-12-22 |
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