CN208674351U - A kind of microwave antenna being easily achieved different frequency range switching - Google Patents
A kind of microwave antenna being easily achieved different frequency range switching Download PDFInfo
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- CN208674351U CN208674351U CN201821412078.4U CN201821412078U CN208674351U CN 208674351 U CN208674351 U CN 208674351U CN 201821412078 U CN201821412078 U CN 201821412078U CN 208674351 U CN208674351 U CN 208674351U
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- reflecting surface
- antenna
- frequency range
- different frequency
- range switching
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Abstract
The utility model relates to field of antenna, specifically a kind of microwave antenna for being easily achieved different frequency range switching.Including reflecting surface, the feed of reflecting surface small end is set and the antenna house of reflecting surface big end is set, it is coaxially provided with cylindric surrounding edge on the reflecting surface, one end of surrounding edge is overlapped fixation with the big end of reflecting surface, antenna house is made using flexible material and is located at opposite one end in reflecting surface of surrounding edge, being sticked in the center of antenna house towards reflecting surface side has patch, it is equipped with the gap of strip between patch and antenna house and forms perforation, the drawstring for making the center of antenna house be recessed towards reflecting surface direction is equipped in perforation, the both ends of drawstring are respectively positioned on the outside of perforation and are separately fixed at the inside of surrounding edge.The simplification of heavy caliber microwave antenna different frequency range switching can be realized by the utility model, and improves the radiation efficiency of antenna.
Description
Technical field
The utility model relates to field of antenna, specifically a kind of microwave antenna for being easily achieved different frequency range switching.
Background technique
Microwave antenna long transmission distance, capacity are big, deployment is quick, stability is strong, are currently widely used for all kinds of communication systems
The relaying of system and passback.The Aperture distribution of microwave antenna is arrived from 6G ~ 80G, transmission range at several kilometers from 0.2m ~ 3.7m, frequency
Between kilometers up to a hundred, wherein 1.2m heavy caliber microwave antenna is presently most common microwave antenna, and structure type is parabolic
Surface antenna, mainly by reflecting surface, surrounding edge, feed and antenna house composition.Its transmission range is moderate, and radiation efficiency is high, band limits
From 6G to 26G, now it is widely used.
In practice, feed and the antenna house difference of 1.2m microwave antenna different frequency range.Feed therein is due to portion
Part is smaller, more simple when switching between different frequency range；And antenna house is due to using ABS plate material, and different frequency range antenna house
Thickness is different, it is difficult to realize the switching of different frequency range antenna.And using the antenna house higher cost of this kind of form, band segment
Radiation efficiency it is lower.
Utility model content
The utility model is intended to provide a kind of microwave antenna, realizes the simple of heavy caliber microwave antenna different frequency range switching
Property, and improve the radiation efficiency of antenna.
In order to solve the above technical problems, the technical solution adopted in the utility model are as follows: one kind is easily achieved different frequency range
The microwave antenna of switching, including reflecting surface, the feed of reflecting surface small end is arranged in and reflecting surface big end is arranged in antenna house,
It is coaxially provided with cylindric surrounding edge on the reflecting surface, one end of surrounding edge is overlapped fixation with the big end of reflecting surface, and antenna house is using soft
Property material make and be located at opposite one end in reflecting surface of surrounding edge, antenna house towards reflecting surface side center paste
Equipped with patch, it is equipped with the gap of strip between patch and antenna house and forms perforation, is equipped in perforation for making antenna house
The drawstring that center is recessed towards reflecting surface direction, the both ends of drawstring are respectively positioned on the outside of perforation and are separately fixed at surrounding edge
Inside.
Preferably, antenna house using cover make, cover include composite fibre textile layer and be coated in composite fibre
Coating of high molecular polymer in textile layer；The thickness of composite fibre textile layer is less than 0.8mm, spins in composite fibre
It knits and is equipped with shielding suction wave silk in material layer；Coating of high molecular polymer is polyvinyl chloride or polypropylene.
Preferably, patch is made of cover.
Preferably, feed includes changeover portion, waveguide, radiation medium and subreflector；Changeover portion and reflecting surface it is small
End is fixedly connected, and offers the through-hole along the distribution of reflecting surface central axis in the center of changeover portion, through-hole is located at reflecting surface
External one end forms waveguide outlet, and one end in reflecting surface inner cavity is inserted with waveguide, and radiation medium is plugged in waveguide
It is additionally provided with cone tank on the radiation medium opposite to each other end face in changeover portion in one end of changeover portion opposite to each other in pipe, subreflector
Shape and cone tank match and are attached in cone tank.
Preferably, radiation medium is made of PC material, and has uniform relative dielectric constant.
Preferably, subreflector includes the copper plate for being attached to taper rooved face and the nickel coating being attached on copper plate.
Preferably, waveguide is made of aluminium material, and radiation medium and changeover portion pass through black glue respectively and fix with waveguide
Connection.
Preferably, absorbing material is attached on the inside of surrounding edge.
Preferably, the both ends of surrounding edge are respectively provided with the annular flange connecting with reflecting surface and antenna house.
Preferably, the outer rim of antenna house is fixed on the inner edge of annulus, the annulus ring in reflecting surface one end opposite on surrounding edge
Shape flange is fixedly connected.
Beneficial effect
The antenna house of the utility model uses cover form, forms taper with structure of tow line, which covers on 6G-
Differential loss is smaller in 26G frequency range, and irdome on the same day can be used in different frequency range antenna, meets wideband versatility, can be realized all frequencies
The versatility of section.
The utility model can be applied to single polarization and dual polarization, and single polarization is connected by changeover portion, and dual polarization passes through OMT
(polarization separator) connects waveguide outlet, by changeover portion and OMT antenna and ODU(outdoor unit) it connects, carry out energy
Measure the transmission and reception of signal.
The beneficial effects of the utility model are also manifested by the following aspects:
In terms of electrical property: standing wave is less than 1.3, i.e., return loss is less than -17.8dB.Compared with traditional ABS cover plate, cover
Lower in the loss of band segment, gain is higher, and efficiency of transmission is higher；Meet ETSI Class3 envelope and meets FCC packet simultaneously
Network；Half-power angle meets each frequency range application requirement, allows 10% error, and overall performance is stablized, and is suitble to remote transmission.
Configuration aspects: the antenna house of different frequency range antenna, which is realized, to be shared.When switching the antenna of different frequency range, only need to change
Feed, the versatility for greatly improving installation effectiveness and using.
In terms of reliability: the cover for making antenna house is a kind of coating of high molecular polymer and composite fibre textile structural layer
Compound.Its overall flexibility is more preferable, and elongation percentage is higher, and cover intensity is bigger, can meet outdoor adverse circumstances requirement.
Detailed description of the invention
Fig. 1 is the longitudinal profile structure schematic of the utility model；
Fig. 2 is the bottom view of the antenna house part of the utility model；
Fig. 3 is the patch of the utility model and the schematic perspective view of perforated portion；
Fig. 4 is the longitudinal profile structure schematic of the peripheral part of the utility model；
Fig. 5 is the structural schematic diagram of feed part in the utility model；
Fig. 6 is the partial enlargement diagram of part A in Fig. 5；
Fig. 7 is that the microwave antenna complete machine and tradition 1.2m that are made of in the present embodiment 1.2m reflecting surface and flexible antennas cover are anti-
Penetrate the gain contrast figure of the microblogging antenna complete machine of face and ABS cover plate antenna house composition；
Fig. 8 is the actual measurement standing wave pattern of the present embodiment；
Fig. 9 is the actual measurement directional diagram under the present embodiment low frequency point；
Figure 10 is the actual measurement directional diagram under the present embodiment intermediate-frequeney point；
Figure 11 is the actual measurement directional diagram under the present embodiment high frequency points；
Marked in the figure: 1, feed, 101, subreflector, 102, radiation medium, 103, waveguide, 104, changeover portion, 105,
Cone tank, 2, reflecting surface, 3, surrounding edge, 301, flange, 4, drawstring, 5, antenna house, 6, patch, 601, perforation, 7, annulus, 8, fixation
Point.
Specific embodiment
As shown in Figures 1 to 6, a kind of microwave antenna being easily achieved different frequency range switching of the utility model, including it is anti-
The antenna house 5 penetrated face 2, the feed 1 of 2 small end of reflecting surface is set and 2 big end of reflecting surface is set.Its feed 1 is located at reflection
At 2 small end center of face, it is substantially carried out the radiation transmission of electromagnetic wave energy；The structure of reflecting surface 2 is paraboloid structure, and bore is
1.2m mainly converge to energy and directed radiation is transmitted；It is different from ABS cover plate in the prior art, the utility model
Antenna house 5 is made of flexible cover cloth, so that frequency range differential loss is smaller, is unsatisfactory for wideband versatility, is easy to frequency range switching.
Surrounding edge 3 is coaxially provided on reflecting surface 2, surrounding edge 3 is as shown in figure 4, including cylindrical cylinder and being separately positioned on
The annular flange 301 at cylinder both ends.The annular flange 301 of 3 lower end of surrounding edge passes through bolt and gasket and reflecting surface 2 in Fig. 1
Big end is overlapped corresponding fixation, and the annular flange 301 of 3 upper end of surrounding edge is used for fixed with antenna house 5.Antenna house 5 is shape and surrounding edge 3
Port size is round accordingly, and the outer rim of antenna house 5 is fixed on annulus 7, and annulus 7 passes through on bolt and gasket and surrounding edge 3
The annular flange 301 at end, which seals, to be fixed, and antenna complete machine is made to be in sealing state, and effective protection antenna is not interfered by external environment,
Guarantee the normal work of antenna.
Cover in the present embodiment for making antenna house 5 includes composite fibre textile layer and is coated in composite fibre
Coating of high molecular polymer in textile layer.The thickness of composite fibre textile layer is less than 0.8mm, spins in composite fibre
It knits and is equipped with shielding suction wave silk in material layer.Coating of high molecular polymer is polyvinyl chloride or polypropylene.High molecular polymerization therein
Object coating is smeared using hot melt, and the mode of baking-curing is arranged in composite fibre textile layer, and overall flexibility is more
Good, elongation percentage is higher, and cover intensity is bigger, can meet outdoor adverse circumstances requirement.
Antenna house 5 is the standing wave matching properties for meeting complete machine antenna, needs to form certain taper, and since this is practical new
Antenna house 5 in type is made of flexible cover cloth, therefore the taper of antenna house 5 is formed using 4 structure of drawstring.In the present embodiment,
Being sticked in the center of antenna house 5 towards 2 side of reflecting surface has the same patch 6 using the production of cover material.Such as Fig. 2 and figure
Shown in 3, patch 6 is rectangle, and both wings are fixed with antenna house 5 respectively, and there are the gaps of strip between middle part and antenna house 5, is led to
The gap for crossing strip forms perforation 601, and drawstring 4 is threaded through in perforation 601, and the both ends of drawstring 4 are respectively positioned on the outside of perforation 601 simultaneously
It is separately fixed at the inside of surrounding edge 3.Drawstring 4 tightens the cylinder for cooperating afterwards with patch 6 and the center of antenna house 5 being pulled to surrounding edge 3
It in body and maintains, so that antenna house 5 be made to form certain taper.
Connect as shown in figure 4, being symmetrically fixed with two sections of angle steel as 4 end of drawstring and surrounding edge 3 in the inside of 3 barrel of surrounding edge
The fixed point 8 connect.It is also pasted with absorbing material in the inside of 3 barrel of surrounding edge, plays inhibition directional diagram, improves the effect of front and back ratio
Fruit.
Feed 1 includes changeover portion 104, waveguide 103, radiation medium 102 and subreflector 101.Changeover portion 104 and anti-
The small end for penetrating face 2 is fixedly connected, and is offered the through-hole along the distribution of 2 central axis of reflecting surface in the center of changeover portion 104, is led to
Hole is located at one end outside reflecting surface 2 and forms waveguide outlet, and one end in 2 inner cavity of reflecting surface plugs and fixed by black glue
There is the waveguide 103 using metallic aluminum material production.Radiation medium 102 plugs and is fixed on phase in waveguide 103 by black glue
It carries on the back in one end of changeover portion 104, radiation medium 102 is PC material and has uniform relative dielectric constant, the figuration knot of the medium
Structure can change the transmission mode and transmission path of wave, be the main factor for influencing the efficiency of antenna, at the beginning of having feed 1
Grade directional diagram figuration and standing wave matching effect.In radiation medium 102 opposite to each other in being additionally provided with cone tank on the end face of changeover portion 104
105, the shape and cone tank 105 of subreflector 101 match and are attached in cone tank 105.Subreflector 101 is used and is first plated
The technique of copper nickel plating again forms one layer of matallic surface layer in dielectric surface, plays the role of metal subreflector 101.
As shown in Figure 7, the present embodiment is compared and conventional microwave antennas, gain contrast are obvious.In Fig. 9, Figure 10 and Figure 11
The curve being located above is 3 standard envelope of ETSI Class, and underlying curve is the present embodiment actual measurement, it is seen that this implementation
Example meets 3 standard envelope of ETSI Class.
Claims (10)
1. a kind of microwave antenna for being easily achieved different frequency range switching including reflecting surface (2), is arranged in reflecting surface (2) small end
Feed (1) and setting reflecting surface (2) big end antenna house (5), it is characterised in that: be coaxially provided with circle on reflecting surface (2)
The surrounding edge (3) of tubular, one end of surrounding edge (3) are overlapped fixation with the big end of reflecting surface (2), and antenna house (5) uses flexible material system
Opposite one end in reflecting surface (2) for making and being located at surrounding edge (3), in antenna house (5) towards the centre bit of reflecting surface (2) side
Setting to be sticked has patch (6), and the gap between patch (6) and antenna house (5) equipped with strip is simultaneously formed perforation (601), perforates (601)
In be equipped with drawstring (4) for making the center of antenna house (5) be recessed towards reflecting surface (2) direction, the both ends of drawstring (4)
It is respectively positioned on the outside of perforation (601) and is separately fixed at the inside of surrounding edge (3).
2. a kind of microwave antenna for being easily achieved different frequency range switching according to claim 1, it is characterised in that: antenna house
(5) it is made of cover, cover includes composite fibre textile layer and coated in the high score in composite fibre textile layer
Sub- polymer coating；The thickness of composite fibre textile layer is less than 0.8mm, and shielding is equipped in composite fibre textile layer
Inhale wave silk；Coating of high molecular polymer is polyvinyl chloride or polypropylene.
3. a kind of microwave antenna for being easily achieved different frequency range switching according to claim 2, it is characterised in that: patch
(6) it is made of cover.
4. a kind of microwave antenna for being easily achieved different frequency range switching according to claim 1, it is characterised in that: feed
It (1) include changeover portion (104), waveguide (103), radiation medium (102) and subreflector (101)；Changeover portion (104) and anti-
The small end for penetrating face (2) is fixedly connected, and is offered in the center of changeover portion (104) along the distribution of reflecting surface (2) central axis
Through-hole, through-hole are located at the external one end of reflecting surface (2) and form waveguide outlet, and the one end being located in reflecting surface (2) inner cavity is inserted with
Waveguide (103), radiation medium (102) are plugged in waveguide (103) opposite to each other in one end of changeover portion (104), are situated between in radiation
Matter (102) on the end face of changeover portion (104) opposite to each other in being additionally provided with cone tank (105), the shape and cone tank of subreflector (101)
(105) match and be attached in cone tank (105).
5. a kind of microwave antenna for being easily achieved different frequency range switching according to claim 4, it is characterised in that: radiation is situated between
Matter (102) is made of PC material, and has uniform relative dielectric constant.
6. a kind of microwave antenna for being easily achieved different frequency range switching according to claim 4, it is characterised in that: pair reflection
Face (101) includes the copper plate for being attached to cone tank (105) surface and the nickel coating being attached on copper plate.
7. a kind of microwave antenna for being easily achieved different frequency range switching according to claim 4, it is characterised in that: waveguide
(103) it is made of aluminium material, radiation medium (102) and changeover portion (104) connect by the way that black glue and waveguide (103) are fixed respectively
It connects.
8. a kind of microwave antenna for being easily achieved different frequency range switching according to claim 1, it is characterised in that: surrounding edge
(3) inside is attached with absorbing material.
9. a kind of microwave antenna for being easily achieved different frequency range switching according to claim 1, it is characterised in that: surrounding edge
(3) both ends are respectively provided with the annular flange (301) connecting with reflecting surface (2) and antenna house (5).
10. a kind of microwave antenna for being easily achieved different frequency range switching according to claim 9, it is characterised in that: antenna
The outer rim of cover (5) is fixed on the inner edge of annulus (7), and annulus (7) annular in reflecting surface (2) one end opposite on surrounding edge (3) is turned over
Side (301) is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821412078.4U CN208674351U (en) | 2018-08-30 | 2018-08-30 | A kind of microwave antenna being easily achieved different frequency range switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821412078.4U CN208674351U (en) | 2018-08-30 | 2018-08-30 | A kind of microwave antenna being easily achieved different frequency range switching |
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| Publication Number | Publication Date |
|---|---|
| CN208674351U true CN208674351U (en) | 2019-03-29 |
Family
ID=65840672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821412078.4U Active CN208674351U (en) | 2018-08-30 | 2018-08-30 | A kind of microwave antenna being easily achieved different frequency range switching |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963417A (en) * | 2018-08-30 | 2018-12-07 | 广东通宇通讯股份有限公司 | A kind of microwave antenna being easily achieved different frequency range switching |
| CN110364804A (en) * | 2019-06-29 | 2019-10-22 | 佛山市盛夫通信设备有限公司 | A kind of antenna defensive wall |
-
2018
- 2018-08-30 CN CN201821412078.4U patent/CN208674351U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963417A (en) * | 2018-08-30 | 2018-12-07 | 广东通宇通讯股份有限公司 | A kind of microwave antenna being easily achieved different frequency range switching |
| CN110364804A (en) * | 2019-06-29 | 2019-10-22 | 佛山市盛夫通信设备有限公司 | A kind of antenna defensive wall |
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