CN108321529A - Splash plate feed source and microwave antenna - Google Patents
Splash plate feed source and microwave antenna Download PDFInfo
- Publication number
- CN108321529A CN108321529A CN201810061823.3A CN201810061823A CN108321529A CN 108321529 A CN108321529 A CN 108321529A CN 201810061823 A CN201810061823 A CN 201810061823A CN 108321529 A CN108321529 A CN 108321529A
- Authority
- CN
- China
- Prior art keywords
- head
- tail portion
- splash plate
- feed source
- plate feed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 20
- 239000006185 dispersion Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008092 positive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
Landscapes
- Waveguide Aerials (AREA)
Abstract
The present invention provides a kind of splash plate feed source and microwave antenna, splash plate feed source includes feed waveguide, dielectric body and subreflector.Feed waveguide is the cylindrical conduit of inner hollow, and upper internal diameter is consistent along its length.Dielectric body includes the head being sequentially connected, middle part and tail portion；Middle part and tail portion are inserted into cylindrical conduit；Middle part is cylinder, and the outer surface at middle part is bonded with the inner surface of feed waveguide, the outer surface of tail portion and the inner surface interval of feed waveguide；Head is located at outside cylindrical conduit；The section on head is circle, and the side on head is made of multiple cascaded surfaces, and the radius at each cascaded surface reduces stepwise from head to middle part direction；Radius at the minimum of head is more than the radius at middle part.Subreflector is metal layer, is set on one end end face of the head far from the tail portion.Present invention greatly reduces reflection of the electromagenetic wave radiation energy into conducting waveguide, essentially eliminates standing wave caused by back wave and deteriorate, improve properties of product.
Description
Technical field
The present invention relates to antenna assembly field more particularly to a kind of splash plate feed sources and microwave antenna.
Background technology
In the prior art, splash plate feed source needs to the electromagnetic wave of diverging correct to meet wanting for primary pattern
It asks, therefore the outer surface processing of dielectric body is fluted.But groove is deeper, not only increases difficulty and the working hour of processing,
The precision of processing is also affected, and groove can cause in fraction signal reflex to waveguide, and standing wave is made to be deteriorated, in volume production
In there are prodigious risks.
In addition the dielectric body of traditional splash plate feed source is complex-shaped, causes that dielectric body production difficulty is big, antenna refers to
Mark the problems such as poor.
Invention content
The purpose of the present invention is to provide a kind of splash plate feed source and microwave antennas, to solve the problems of the prior art.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
The present invention provides a kind of splash plate feed source, including：Feed waveguide is the cylindrical conduit of inner hollow, and along it
Internal diameter is consistent on length direction；Dielectric body, including the head, middle part and the tail portion that are sequentially connected；The middle part and tail portion are inserted
Enter in the cylindrical conduit；The middle part is cylinder, and the outer surface at the middle part and the inner surface of the feed waveguide paste
It closes, the inner surface of the outer surface of the tail portion and the feed waveguide is separately；The head is located at outside the cylindrical conduit
Portion；The section on the head is circle, and the side on the head is made of multiple cascaded surfaces, the radius at each cascaded surface from
The head to the middle part direction reduces stepwise；Radius at the head minimum is more than the radius at the middle part；It is secondary anti-
Face is penetrated, is metal layer, is set on one end end face of the head far from the tail portion.
Preferably, each cascaded surface includes orthogonal two faces, the end face in one of face and the feed waveguide
Vertically, another face is parallel with the end face of the feed waveguide.
Preferably, by the cylinder of 4 different radiis, stacking forms successively on the head, and each cylinder is coaxial.
Preferably, the center line on the head, the middle part and the tail portion is located along the same line.
Preferably, the tail portion is cylinder, and the radius of the tail portion is less than the radius at the middle part.
Preferably, the height of the dielectric body by 0.9 times to 1.3 times of reception microwave wavelength.
Preferably, the one end of the head far from the tail portion is equipped with inner concave conical slot, the wall surface of the inner concave conical slot
Coated metal and form the subreflector.
Preferably, the outer surface at the middle part is equipped with glue groove, and fluid sealant is filled in the glue groove to seal the feed
Waveguide and the dielectric body.
Preferably, the dielectric body is integrally formed.
The present invention also provides a kind of microwave antennas, including splash plate feed source as described above.
As shown from the above technical solution, the advantages and positive effects of the present invention are：The head of the dielectric body of the present invention
Outside feed waveguide, and the side on the head is made of multiple regular ladders, and the radius of each cascaded surface is from head into
Portion direction reduces stepwise, preferably the radiation direction of guide electromagnetic waves radiation energy, reduces electromagenetic wave radiation energy to feed
Reflection in waveguide, avoid outer surface it is fluted when make dielectric body exterior number of surfaces increase and make electromagnetism amplitude
Penetrate energy causes standing wave to deteriorate after multiple reflections into feed waveguide inside.The hierarchic structure on head is also in the present invention
It can be corrected to dielectric surface figuration, and then to the electromagenetic wave radiation energy of dispersion so that the electromagenetic wave radiation energy of dispersion
Amount reaches antenna surface, improves antenna efficiency, and the splash plate feed source of the present invention is simple in structure, easy to process, ensure that production
The stability of moral character energy.
Description of the drawings
Fig. 1 is the schematic diagram of splash plate feed source preferred embodiment of the present invention.
Wherein, the reference numerals are as follows：1, splash plate feed source；11, feed waveguide；12, dielectric body；121, head；
1216, horizontal plane；1217, vertical plane；122, middle part；1221, glue groove；123, tail portion；13, subreflector.
Specific implementation mode
Embodying the exemplary embodiment of feature of present invention and advantage will describe in detail in the following description.It should be understood that
Various variations can be had in different embodiments by being the present invention, neither be departed from the scope of the present invention, and therein
Illustrate and illustrate inherently to be illustrated as being used, rather than to limit the present invention.
Principle in order to further illustrate the present invention and structure carry out the preferred embodiment of the present invention in conjunction with attached drawing
It is described in detail.
Refering to fig. 1, the present invention provides a kind of splash plate feed source 1, including：Feed waveguide 11, dielectric body 12 and secondary reflection
Face 13.
Feed waveguide 11 is the cylindrical conduit of inner hollow, and internal diameter is consistent.Usually, the main mould of feed waveguide 11
Using TE11Mould.
Dielectric body 12 includes the head 121 being sequentially connected, middle part 122 and tail portion 123.
Middle part 122 and tail portion 123 are inserted into cylindrical conduit.Middle part 122 be cylinder, the outer surface at middle part 122 with
The inner surface of feed waveguide 11 is bonded, and the outer surface of tail portion 123 and the inner surface of feed waveguide 11 are separately.
Head 121 is located at outside cylindrical conduit, and the end face on head 121 and the end face of feed waveguide 11 fit.Head
The section in portion 121 is circle, and the side on head 121 is made of multiple ladders, and the radius of each cascaded surface is from head 121 into
122 direction of portion reduces stepwise.The radius on head 121 is more than the radius at middle part 122, when ensure that assembly at 121 minimum of head
End face is resisted against the end face of feed waveguide 11.
Subreflector 13 is metal layer, is set on one end end face of the head 121 far from tail portion 123
Outer surface of the head 121 far from tail portion 123, which applies, is coated with metal layer formation subreflector 13.
The head 121 of the dielectric body 12 of the present invention is located at outside feed waveguide 11, and the side on the head 121 is by more
A regular ladder is constituted, and from head 121 to middle part, 122 directions reduce the radius of each cascaded surface stepwise, preferably guide electromagnetism
The radiation direction of wave radiation energy reduces reflection of the electromagenetic wave radiation energy into feed waveguide 11, and avoiding outer surface has
Make the number of surfaces outside dielectric body 12 increase when groove and electromagenetic wave radiation energy is made to enter feedback after multiple reflections
Standing wave is caused to deteriorate inside electric waveguide 11.In the present invention hierarchic structure on head 121 can also to dielectric surface figuration, into
And the electromagenetic wave radiation energy of dispersion is corrected so that the electromagenetic wave radiation energy of dispersion reaches antenna surface, improves
Antenna efficiency, and the splash plate feed source 1 of the present invention is simple in structure, it is easy to process, it ensure that the stability of properties of product.
Electromagenetic wave radiation energy inside feed waveguide 11 is reflexed to be further reduced 121 outer surface structure of head, respectively
Cascaded surface includes orthogonal horizontal plane 1216 and vertical plane 1217, and horizontal plane 1216 and the end face of feed waveguide 11 are flat
Row, vertical plane 1217 are vertical with the end face of feed waveguide 11.Specifically, in the present embodiment, from the appearance, head 121 is by 4
Stacking forms the cylinder of a different radii successively, and each cylinder is coaxially set, and the vertical plane 1217 of each cascaded surface constitutes each circle
The side of column, horizontal plane 1216 then constitute the end face of cylinder.It using this structure, is not only easy to process, but also electricity can be reduced
The diffraction of electromagnetic wave radiation energy reduces the electromagenetic wave radiation energy entered inside conducting waveguide 11 in turn.Furthermore it is also possible to
The primary pattern for correcting feed, is allowed to match with antenna surface.In other embodiment, head 121 can also be by other quantity
Cylinder and form, the radius of each cylinder, height can be set as needed.
Dielectric body 12 is integrally formed.The center line on the head 121 of dielectric body 12, middle part 122 and tail portion 123 is located at
On same straight line.
Preferably, tail portion 123 is cylinder, and the radius of tail portion 123 is less than the radius at middle part 122.The present invention can lead to
The radius size of the middle part 122 of dielectric body 12 and tail portion 123 is overregulated to optimize voltage standing wave ratio.
The height of dielectric body 12 by 0.9 times to 1.3 times of reception microwave wavelength, can ensure antenna efficiency
Under the premise of, shorten feed length.
Specifically, in the present embodiment, the outer surface at middle part 122 is equipped with glue groove 1221, and fluid sealant is filled in glue groove 1221
To seal feed waveguide 11 and dielectric body 12.
The one end of head 121 far from tail portion 123 be inner concave conical slot, the wall surface coated metal of inner concave conical and form pair
Reflecting surface 13.Specifically, in the present embodiment, the apex angle size of inner concave conical is 145 °.In other embodiment, inner concave conical
Apex angle size can also be other angles, be set according to different requirements.
As shown from the above technical solution, the advantages and positive effects of the present invention are：The head of the dielectric body of the present invention
Outside feed waveguide, and the side on the head is made of multiple regular ladders, and the radius of each cascaded surface is from head into
Portion direction reduces stepwise, preferably the radiation direction of guide electromagnetic waves radiation energy, reduces electromagenetic wave radiation energy to feed
Reflection in waveguide, avoid outer surface it is fluted when make dielectric body exterior number of surfaces increase and make electromagnetism amplitude
Penetrate energy causes standing wave to deteriorate after multiple reflections into feed waveguide inside.The hierarchic structure on head is also in the present invention
It can be corrected to dielectric surface figuration, and then to the electromagenetic wave radiation energy of dispersion so that the electromagenetic wave radiation energy of dispersion
Amount reaches antenna surface, improves antenna efficiency, and the splash plate feed source of the present invention is simple in structure, easy to process, ensure that production
The stability of moral character energy.
The preferable possible embodiments that these are only the present invention, not limit the scope of the invention, all with the present invention
Equivalent structure variation made by specification and accompanying drawing content, is included within the scope of protection of the present invention.
Claims (10)
1. a kind of splash plate feed source, which is characterized in that including：
Feed waveguide is the cylindrical conduit of inner hollow, and upper internal diameter is consistent along its length；
Dielectric body, including the head, middle part and the tail portion that are sequentially connected；The cylindrical conduit is inserted into the middle part and tail portion
It is interior；The middle part is cylinder, and the outer surface at the middle part is bonded with the inner surface of the feed waveguide, the appearance of the tail portion
The inner surface of face and the feed waveguide is separately；The head is located at outside the cylindrical conduit；The section on the head
For circle, and the side on the head is made of multiple cascaded surfaces, and the radius at each cascaded surface is from the head to the middle part
Direction reduces stepwise；Radius at the head minimum is more than the radius at the middle part；
Subreflector is metal layer, is set on one end end face of the head far from the tail portion.
2. splash plate feed source according to claim 1, which is characterized in that each cascaded surface includes orthogonal two
Face, one of face is vertical with the end face of the feed waveguide, another face is parallel with the end face of the feed waveguide.
3. splash plate feed source according to claim 2, which is characterized in that the head by 4 different radiis cylinder according to
Secondary stacking composition, and each cylinder is coaxial.
4. splash plate feed source according to claim 2, which is characterized in that the head, the middle part and the tail portion
Center line is located along the same line.
5. splash plate feed source according to claim 1, which is characterized in that the tail portion is cylindrical, and the half of the tail portion
Diameter is less than the radius at the middle part.
6. splash plate feed source according to claim 2, which is characterized in that the height of the dielectric body is is received microwave
0.9 times to 1.3 times of wavelength.
7. splash plate feed source according to claim 2, which is characterized in that the one end of the head far from the tail portion is equipped with
Inner concave conical slot, the wall surface coated metal of the inner concave conical slot and form the subreflector.
8. splash plate feed source according to claim 1, which is characterized in that the outer surface at the middle part is equipped with glue groove, described
Filled with fluid sealant to seal the feed waveguide and the dielectric body in glue groove.
9. splash plate feed source according to claim 2, which is characterized in that the dielectric body is integrally formed.
10. a kind of microwave antenna, which is characterized in that including splash plate feed source as described in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061823.3A CN108321529A (en) | 2018-01-23 | 2018-01-23 | Splash plate feed source and microwave antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061823.3A CN108321529A (en) | 2018-01-23 | 2018-01-23 | Splash plate feed source and microwave antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108321529A true CN108321529A (en) | 2018-07-24 |
Family
ID=62886935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810061823.3A Pending CN108321529A (en) | 2018-01-23 | 2018-01-23 | Splash plate feed source and microwave antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108321529A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615723A (en) * | 2009-08-06 | 2009-12-30 | 北京天瑞星际技术有限公司 | Ultrathin microwave antenna with ultra high performance |
| CN201805004U (en) * | 2010-09-07 | 2011-04-20 | 京信通信系统（中国）有限公司 | Micro-wave antenna with ultra-high performance and feed component thereof |
| CN102956976A (en) * | 2012-11-07 | 2013-03-06 | 京信通信系统（中国）有限公司 | Antenna and feed source assembly thereof |
| WO2013150996A1 (en) * | 2012-04-02 | 2013-10-10 | 古野電気株式会社 | Antenna |
| CN103782447A (en) * | 2011-09-01 | 2014-05-07 | 安德鲁有限责任公司 | Controlled illumination dielectric cone radiator for reflector antenna |
| CN206301950U (en) * | 2016-12-26 | 2017-07-04 | 广东盛路通信科技股份有限公司 | The Bipolarized paraboloid antenna feed of feedback type |
| CN107046177A (en) * | 2016-12-26 | 2017-08-15 | 广东盛路通信科技股份有限公司 | The Bipolarized paraboloid antenna feed of feedback type |
-
2018
- 2018-01-23 CN CN201810061823.3A patent/CN108321529A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615723A (en) * | 2009-08-06 | 2009-12-30 | 北京天瑞星际技术有限公司 | Ultrathin microwave antenna with ultra high performance |
| CN201805004U (en) * | 2010-09-07 | 2011-04-20 | 京信通信系统（中国）有限公司 | Micro-wave antenna with ultra-high performance and feed component thereof |
| CN103782447A (en) * | 2011-09-01 | 2014-05-07 | 安德鲁有限责任公司 | Controlled illumination dielectric cone radiator for reflector antenna |
| WO2013150996A1 (en) * | 2012-04-02 | 2013-10-10 | 古野電気株式会社 | Antenna |
| CN102956976A (en) * | 2012-11-07 | 2013-03-06 | 京信通信系统（中国）有限公司 | Antenna and feed source assembly thereof |
| CN206301950U (en) * | 2016-12-26 | 2017-07-04 | 广东盛路通信科技股份有限公司 | The Bipolarized paraboloid antenna feed of feedback type |
| CN107046177A (en) * | 2016-12-26 | 2017-08-15 | 广东盛路通信科技股份有限公司 | The Bipolarized paraboloid antenna feed of feedback type |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180724 |