CN207691006U - A kind of feed - Google Patents
A kind of feed Download PDFInfo
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- CN207691006U CN207691006U CN201721856980.0U CN201721856980U CN207691006U CN 207691006 U CN207691006 U CN 207691006U CN 201721856980 U CN201721856980 U CN 201721856980U CN 207691006 U CN207691006 U CN 207691006U
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- feed
- filtering component
- waveguide
- probe
- feed horn
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Abstract
The utility model is related to a kind of feeds, including rectangular waveguide, Feed Horn and filtering component, the rectangular waveguide to include waveguide and the ring flange in waveguide one end is arranged；The rectangular waveguide, Feed Horn and filtering component are integrally formed；It is equipped with a metal strip on a cross section of the filtering component and in the diametric(al) parallel with the section broadside of waveguide；The side wall of the filtering component is equipped with coaxial connector, probe is equipped in coaxial connector, rf input interface of the structure as feed, ensure electromagnetic wave stablizes input；The rectangular waveguide can be such that transmitting signal more concentrates as radio-frequency transmissions interface, reduce interference of the external environment to transmitting signal；The electromagnetic wave in feed input and output direction can be isolated in the utility model, and reduction interferes with each other.
Description
Technical field
The utility model is related to technical field of satellite communication, and in particular to a kind of feed.
Background technology
Feed is an indispensable part in satellite communication system.Most of feed needs are connected with duplexer with reality
Now receive and emit the function of electromagnetic wave.Duplexer is usually made of six bandstop filters.In signal launching phase, Yong Huxin
Number it can be converted into electromagnetic wave by feed after the processing of all parts such as baseband processing unit, and be sent to satellite using antenna；
Stage, the electromagnetic wave that feed reception antenna is collected are received in signal, and the electromagnetic wave is converted into electric signal and is sent at base band
After managing unit, it is eventually sent to user terminal.
In practical applications, it is to be connected with each other by connection wire between feed and duplexer, feed needs and duplex
After device connection adaptation is good, it can be just accurately received and be emitted signal, can increase communication system if feed does not connect adaptation well
System noise.Connection wire between feed and duplexer is easy to protected from environmental and damages, and needs installation and debugging personnel's
Daily maintenance increases the maintenance cost of feed.
Utility model content
In view of this, the purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of feed, the feed without
Duplexer need to be connected, but there is duplex capability；And the electromagnetic wave sended and received can be isolated in the feed, reduce mutual
Interference.
In order to achieve the above object, the utility model adopts the following technical solution：A kind of feed, including rectangular waveguide, feed
Loudspeaker and filtering component, wherein the rectangular waveguide includes waveguide and the ring flange in waveguide one end, the waveguide is arranged
The a port of the pipe other end and Feed Horn connects, and the ring flange is exposed to outside the port；The Feed Horn it is another
A port is connect with filtering component；The rectangular waveguide, Feed Horn and filtering component are integrally formed；
The filtering component is hollow cylinder, and a through-hole is offered on the side wall of cylinder, is set in the through-hole
There is coaxial connector, probe is equipped in the coaxial connector, the probe is exposed in the cavity of filtering component；
It is set on a cross section of the filtering component and in the diametric(al) parallel with the section broadside of waveguide
There is a metal strip；The metal strip is located at the inside of probe；The both ends of the metal strip are fixed on the madial wall of filtering component
On；The central axes of the metal strip, probe and Feed Horn are in approximately the same plane.In practical application, the metal strip position
Between probe and Feed Horn, the metal strip is parallel with probe.
Optionally, the coaxial connector is fixed on threadably on the side wall of filtering component.
Optionally, it is fixed with card slot at the position on the lateral wall of the filtering component and close to coaxial connector.
Optionally, multiple threaded mounting holes are uniformly provided on the ring flange.
Optionally, the Feed Horn is light wall loudspeaker.
Optionally, the internal diameter of the filtering component is identical as the internal diameter of Feed Horn output port.
Optionally, the cross-sectional width of the waveguide is 34.85mm, is highly 15.80mm.
Optionally, the coaxial connector is SMA interfaces, and the probe length in the SMA interfaces is 10mm.
Optionally, on the Feed Horn outer surface that two broadsides are connected above and below the waveguide, along Feed Horn
A prism is respectively equipped on the direction of central axes.
It includes rectangular waveguide, Feed Horn and filtering component, institute that the utility model, which uses above technical scheme, the feed,
It states and offers a through-hole on the side wall of filtering component, coaxial connector is equipped in the through-hole, is equipped in the coaxial connector
Probe, rf input interface of the structure as feed, ensure electromagnetic wave stablizes input；The rectangular waveguide is sent out as radio frequency
Interface is penetrated, transmitting signal can be made more to concentrate, loss of the signal in emission process is reduced, external environment pair can also be reduced
Emit the interference of signal；The above structure makes feed without connecting duplexer, but with the duplexing work(for receiving and emitting electromagnetic wave
Energy；It is equipped on a cross section of the filtering component and in the diametric(al) parallel with the section broadside of rectangular waveguide
A piece metal strip, the metal strip can be effectively isolated the electromagnetic wave in feed input and output direction, and reduction interferes with each other.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the overall structure diagram of the utility model feed；
Fig. 2 is the vertical view of the utility model feed；
Fig. 3 is the front view of the utility model feed；
Fig. 4 is the rearview of the utility model feed.
In figure：1, Feed Horn；2, component is filtered；3, waveguide；4, ring flange；5, probe；6, SMA interfaces；7, screw thread
Mounting hole；8, metal strip；9, panel is installed；10, card slot；11, prism.
Specific implementation mode
It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in Figures 1 to 4, the utility model provides a kind of feed, including rectangular waveguide, Feed Horn 1 and filtering
Component 2, wherein the rectangular waveguide includes waveguide 3 and the ring flange 4 in 3 one end of waveguide is arranged, and the waveguide 3 is another
One end is connect with a port of Feed Horn 1, and the ring flange 4 is exposed to outside the port；The Feed Horn 1 another
Port is connect with filtering component 2；The rectangular waveguide, Feed Horn 1 and filtering component 2 are integrally formed；
The filtering component 2 is hollow cylinder, and a through-hole is offered on the side wall of cylinder, is set in the through-hole
There is coaxial connector, probe 5 is equipped in the coaxial connector, the probe 5 is exposed in the cavity of filtering component 2；
On a cross section of the filtering component 2 and in the diametric(al) parallel with the section broadside of waveguide 3
Equipped with a metal strip 8, the metal strip is located at the inside of probe；The both ends of the metal strip 8 are fixed on the interior of filtering component 2
On side wall；The central axes of the metal strip 8, probe 5 and Feed Horn 1 are in approximately the same plane.In practical application, the gold
Belong to item 8 between probe 5 and Feed Horn 1.
The electromagnetic wave in feed input and output direction can be isolated in the metal strip 8, and it is former to reduce the work interfered with each other
Reason is：On the one hand, the electromagnetic wave that the waveguide 3 emits, wherein the electromagnetic wave on 8 direction of metal strip can be by metal strip
8 shieldings, since the central axes of metal strip 8, probe 5 and Feed Horn 1 are in approximately the same plane, metal strip 8 is with probe 5 in parallel
Position relationship, therefore the electromagnetic wave that waveguide 3 emits will not be received by probe 5；On the other hand, it receives signal and enters feed
Afterwards, since probe 5 is close to the outside of filtering component 2, receiving signal can be absorbed by probe 5, even if there is a small number of reception signals to pass
Enter in Feed Horn 1, since received signal power is small, transmitting signal will not be impacted.
As a kind of optional embodiment of the utility model, the internal diameter and 1 output end of Feed Horn of the filtering component 2
The internal diameter of mouth is identical.The coaxial connector is SMA interfaces 6, and 5 length of probe in the SMA interfaces 6 is 10mm.SMA interfaces
6 are fixed on the connection type of screw thread on the side wall of filtering component 2 by installing panel 9.
It should be noted that fixing and setting at position on the lateral wall of the filtering component 2 and close to coaxial connector
There is card slot 10.In actual use, in order to ensure the transmission of signal, the coaxial connector understands external connecting wire, in order to ensure
External connecting line is preferably fixedly connected with coaxial connector (SMA interfaces 6), and the external connecting line is fixed on one
In box.Card slot 10 described in the utility model is exactly for the fixed box equipped with external connecting wire.The structure can protect
It demonstrate,proves external connecting line to be fixedly connected with coaxial connector (SMA interfaces 6), ensures the stable electromagnetic wave of coaxial connector input.
Specifically, being uniformly provided with multiple threaded mounting holes 7 on the ring flange 4 of the rectangular waveguide, pacified by the screw thread
Dress hole 7 can be attached with external waveguide, complete signal transmitting.
The length of the feed is 136.5mm, and the intracavity diameter of filtering component 2 is 57mm, and 3 inner cavity of the waveguide is cut
Face width is 34.85mm, is highly 15.80mm, and the length of the ring flange 4 is 68.3mm, width 49.2mm.The feed
Loudspeaker 1 are light wall loudspeaker, and frequency range covers C-band satellite receiving and transmitting bands, and illumination efficiency is high；The feed, which receives, uses side wall probe
5 feeds, transmitting use waveguide direct feed, sending and receiving component to carry out integrated design, and feeder loss is small, and feed structure is simple, at
This is low, is suitble to casting processing method.
In addition, on 1 outer surface of Feed Horn being connected with about 3 two broadsides of the waveguide, along Feed Horn 1
A prism 11 is respectively equipped on the direction of central axes, the setting of the prism 11 not only contributes to reduce feed volume, and is convenient for
Installation.
The utility model use above technical scheme, the feed include rectangular waveguide, Feed Horn 1 and filtering component 2,
A through-hole is offered on the side wall of the filtering component 2, and coaxial connector is equipped in the through-hole, is set in the coaxial connector
There is probe 5, rf input interface of the structure as feed, ensure electromagnetic wave stablizes input；The rectangular waveguide is used as and penetrates
Frequency emission interface can be such that transmitting signal more concentrates, and reduce loss of the signal in emission process, can also reduce extraneous ring
The interference that border emits signal；The above structure ensure that feed has the duplex capability for sending and receiving signal；In the filtering
On one cross section of component 2 and the diametric(al) parallel with the section broadside of waveguide 3 is equipped with a metal strip 8, should
The electromagnetic wave in feed input and output direction can be isolated in metal strip 8, and reduction interferes with each other.This feed is without connecting duplex
Device, but there is duplex capability, and the electromagnetic wave sended and received can be isolated, reduction interferes with each other.In addition, this practicality
Novel feed is small, can reduce feed and be blocked to signal.
In the description of this specification, the description of reference term " one embodiment ", " some embodiments " or " example " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in at least one of the application
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments or example
In can be combined in any suitable manner.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (9)
1. a kind of feed, which is characterized in that including：
Rectangular waveguide, Feed Horn and filtering component；
The rectangular waveguide includes waveguide and the ring flange in described waveguide one end is arranged；
The other end of the waveguide is connect with a port of the Feed Horn；
Another port of the Feed Horn is connect with the filtering component；
The rectangular waveguide, Feed Horn and filtering component are integrally formed；
The filtering component is hollow cylinder, and a through-hole is offered on the side wall of the cylinder, is set in the through-hole
There is coaxial connector, probe is equipped in the coaxial connector, the probe is exposed in the cavity of the filtering component；
It is set on a cross section of the filtering component and in the diametric(al) parallel with the section broadside of the waveguide
There is a metal strip；The metal strip is located at the inside of probe；The both ends of the metal strip are fixed on the interior of the filtering component
On side wall；The central axes of the metal strip, probe and Feed Horn are in approximately the same plane.
2. feed according to claim 1, which is characterized in that the coaxial connector is fixed on threadably
On the side wall of the filtering component.
3. feed according to claim 1, which is characterized in that on the lateral wall of the filtering component and close to described same
It is fixed with card slot at the position of mandrel connector.
4. feed according to claim 1, which is characterized in that be uniformly provided with multiple threaded mounting holes on the ring flange.
5. feed according to claim 1, which is characterized in that the Feed Horn is light wall loudspeaker.
6. feed according to claim 5, which is characterized in that the internal diameter of the filtering component is another with the Feed Horn
The internal diameter of a port is equal.
7. feed according to any one of claims 1 to 6, which is characterized in that the cross-sectional width of the waveguide is
34.85mm is highly 15.80mm.
8. feed according to any one of claims 1 to 6, which is characterized in that the coaxial connector is SMA interfaces, institute
It is 10mm to state the probe length in SMA interfaces.
9. feed according to any one of claims 1 to 6, which is characterized in that with the waveguide above and below two broadsides
On the Feed Horn outer surface being connected, the direction along the Feed Horn central axes is respectively equipped with a prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721856980.0U CN207691006U (en) | 2017-12-26 | 2017-12-26 | A kind of feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721856980.0U CN207691006U (en) | 2017-12-26 | 2017-12-26 | A kind of feed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207691006U true CN207691006U (en) | 2018-08-03 |
Family
ID=62996236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721856980.0U Active CN207691006U (en) | 2017-12-26 | 2017-12-26 | A kind of feed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207691006U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818131A (en) * | 2018-12-04 | 2019-05-28 | 安徽站乾科技有限公司 | A kind of C-band single polarization feed tep reel |
| CN111060533A (en) * | 2019-12-31 | 2020-04-24 | 华北电力大学 | Fly ash carbon content static measurement system and method based on hollow metal waveguide |
| CN113169433A (en) * | 2018-11-22 | 2021-07-23 | 空中客车一网卫星公司 | Active waveguide transition device and RF signal communication system |
-
2017
- 2017-12-26 CN CN201721856980.0U patent/CN207691006U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113169433A (en) * | 2018-11-22 | 2021-07-23 | 空中客车一网卫星公司 | Active waveguide transition device and RF signal communication system |
| CN113169433B (en) * | 2018-11-22 | 2023-02-17 | 空中客车一网卫星公司 | Active waveguide transition device and RF signal communication system |
| CN109818131A (en) * | 2018-12-04 | 2019-05-28 | 安徽站乾科技有限公司 | A kind of C-band single polarization feed tep reel |
| CN111060533A (en) * | 2019-12-31 | 2020-04-24 | 华北电力大学 | Fly ash carbon content static measurement system and method based on hollow metal waveguide |
| CN111060533B (en) * | 2019-12-31 | 2021-04-20 | 华北电力大学 | Fly ash carbon content static measurement system and method based on hollow metal waveguide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20220406 Granted publication date: 20180803 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230110 Granted publication date: 20180803 |