CN201134513Y - Circularly polarised wave guide gap flat-plate antenna - Google Patents
Circularly polarised wave guide gap flat-plate antenna Download PDFInfo
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- CN201134513Y CN201134513Y CNU200720103226XU CN200720103226U CN201134513Y CN 201134513 Y CN201134513 Y CN 201134513Y CN U200720103226X U CNU200720103226X U CN U200720103226XU CN 200720103226 U CN200720103226 U CN 200720103226U CN 201134513 Y CN201134513 Y CN 201134513Y
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- circular waveguide
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- wave guide
- plate antenna
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Abstract
The utility model discloses a circularly polarized waveguide slot panel antenna which is composed of an upper radiation layer, a middle feeder layer and a lower feeder layer which are sequentially connected. The upper radiation layer comprises a resonant cavity and a radiating slot which are mainly used to accumulate the energy transmitted by the middle feeder layer and the lower feeder layer and to radiate into the air. The middle feeder layer and the lower feeder layer integrally form a standard waveguide combination, thereby realizing energy power division and polarized impedance matching of a feed network.
Description
Technical field
The utility model relates to a kind of antenna of domain of communication equipment, particularly relates to a kind of circular waveguide leaky plate antenna with high-gain, super bandwidth, easy processing.
Background technology
At present Ku frequency range satellite television receiving antenna has the branch of linear polarization and circular polarization receptions, the circular polarization electromagnetic wave have rain decline little, receive polarization and change advantages such as little, therefore be the use of numerous satellite company.
Use also just generation thereupon when the advantage of circularly polarised wave gets the nod, No. 2 direct broadcasting satellites of the prosperous promise of China use the circular polarization emission to promote the development rapidly of circular polarized antenna commercial market.
The utility model content
The purpose of this utility model is to propose a kind of circular waveguide leaky plate antenna of the Ku of being operated in frequency range, makes it adopt upper, middle and lower-ranking to constitute, and middle lower floor constitutes square wave guide feed, power division network, impedance transformer network.
The purpose of this utility model realizes by the following technical solutions, a kind of circular waveguide leaky plate antenna, and it comprises: the last radiating layer of Lian Jieing, centre feed layer and following feed layer three parts successively.
In the preferred embodiment of the present utility model, the described radiating layer of going up comprises: radiating slot, feed mouth and resonant cavity, wherein said radiating slot is cross-shaped, described feed mouth be circular open and described resonant cavity around described radiating slot and described feed mouth, described radiating slot evenly distributes around described feed mouth.
In the preferred embodiment of the present utility model, described centre feed layer comprises: go up impedance matching box, go up the feed circular waveguide and go up the feed square wave guide, wherein said upward feed circular waveguide is cylindrical, the described impedance matching box of going up is positioned at the described cylindrical side wall of going up the feed circular waveguide, and the described feed square wave guide of going up extends from the described cylindrical side wall of going up the feed circular waveguide.
In the preferred embodiment of the present utility model, described feed layer down comprises: following impedance matching box, following feed circular waveguide and following feed square wave guide, wherein said feed circular waveguide down is cylindrical, described impedance matching box down is positioned at the described cylindrical side wall of feed circular waveguide down, and described feed square wave guide down extends from the described cylindrical side wall of feed circular waveguide down.
In the preferred embodiment of the present utility model, described in the described intermediate layer goes up impedance matching box, described feed circular waveguide and the described described impedance matching box down of feed square wave guide and described bottom, described feed circular waveguide down and the corresponding respectively coupling of described feed square wave guide down of going up of going up so that can make the fluid-tight engagement of described intermediate layer and described bottom.
The beneficial effects of the utility model are that this circular waveguide leaky antenna has the advantage of high-gain, super bandwidth, easy processing.
Description of drawings
Fig. 1 is that wherein said circular waveguide leaky plate antenna comprises radiating layer, centre feed layer and following feed layer three parts according to the layer structural upright schematic diagram of a kind of circular waveguide leaky plate antenna of the utility model technology enlightenment design;
Fig. 2 is the structural upright schematic diagram according to the last radiating layer of a kind of circular waveguide leaky plate antenna of the utility model technology enlightenment design, and the wherein said radiating layer of going up comprises radiating slot, feed mouth and resonant cavity;
Fig. 3 is the structural upright schematic diagram according to the centre feed layer of a kind of circular waveguide leaky plate antenna of the utility model technology enlightenment design, and wherein said centre feed layer comprises impedance matching box, goes up the feed circular waveguide and goes up the feed square wave guide;
Fig. 4 is the structural upright schematic diagram that enlightens the following feed layer of a kind of circular waveguide leaky plate antenna that designs according to the utility model technology, and wherein said feed layer down comprises impedance matching box, following feed circular waveguide and following feed square wave guide down.
1: radiating slot
2: the feed mouth
3: resonant cavity
4: go up impedance matching box
5: go up the feed circular waveguide
6: go up the feed square wave guide
7: following impedance matching box
8: following feed circular waveguide
9: following feed square wave guide
Embodiment
Hereinafter, with reference to the accompanying drawings the embodiment of the utility model circular waveguide leaky plate antenna is described.
See also shown in Figure 1, it shows the layer structural upright schematic diagram according to a kind of circular waveguide leaky plate antenna of the utility model technology enlightenment design, and wherein said circular waveguide leaky plate antenna comprises last radiating layer 10, centre feed layer 20 and the following feed layer 30 that connects successively.
See also shown in Figure 2, it shows the structural upright schematic diagram of the last radiating layer of circular waveguide leaky plate antenna of the present utility model, the wherein said radiating layer of going up comprises radiating slot 1, feed mouth 2 and resonant cavity 3, wherein said radiating slot 1 is cross-shaped, described feed mouth 2 be circular open and described resonant cavity 3 around described radiating slot and described feed mouth, described radiating slot evenly distributes around described feed mouth.
See also shown in Figure 3ly, it shows the structural upright schematic diagram of the centre feed layer 20 of circular waveguide leaky plate antenna of the present utility model, and described centre feed layer 20 comprises impedance matching box 4, goes up feed circular waveguide 5 and goes up feed square wave guide 6.
See also shown in Figure 4ly, it shows the structural upright schematic diagram of the following feed layer 30 of circular waveguide leaky plate antenna of the present utility model, and wherein said feed layer 30 down comprises down impedance matching box 7, feed circular waveguide 8 and feed square wave guide 9 down down.
The utility model antenna can be used for communication or broadcasting.Compare with traditional metal waveguide antenna, the employed hierarchy of antenna of the present utility model is realized easily better precision, also be suitable for simultaneously making in batches, and weight can significantly be alleviated, and is easy to install light again.Compare with traditional antenna, the utility model manufacturing cost significantly reduces, and because therefore its less consumption can be used as high power, high-gain aerial.
Though describe a kind of preferred implementation in the utility model specific embodiment, be not in order to restriction the utility model according to the utility model technology enlightenment design.Every under the situation of the disclosed scope and spirit of claims that do not break away from this aspect, change of being done and modification all belong within the scope of patent protection of the present utility model.
Claims (4)
1, a kind of circular waveguide leaky plate antenna is characterized in that comprising: the last radiating layer of Lian Jieing, centre feed layer and following feed layer successively.
2, circular waveguide leaky plate antenna as claimed in claim 1, it is characterized in that the described radiating layer of going up comprises: radiating slot, feed mouth and resonant cavity, wherein said radiating slot is cross-shaped, described feed mouth be circular open and described resonant cavity around described radiating slot and described feed mouth, described radiating slot evenly distributes around described feed mouth.
3, circular waveguide leaky plate antenna as claimed in claim 1, it is characterized in that described centre feed layer comprises: go up impedance matching box, go up the feed circular waveguide and go up the feed square wave guide, wherein said upward feed circular waveguide is cylindrical, the described impedance matching box of going up is positioned at the described cylindrical side wall of going up the feed circular waveguide, and the described feed square wave guide of going up extends from the described cylindrical side wall of going up the feed circular waveguide.
4, circular waveguide leaky plate antenna as claimed in claim 1, it is characterized in that described feed layer down comprises: following impedance matching box, following feed circular waveguide and following feed square wave guide, wherein said feed circular waveguide down is cylindrical, described impedance matching box down is positioned at the described cylindrical side wall of feed circular waveguide down, and described feed square wave guide down extends from the described cylindrical side wall of feed circular waveguide down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720103226XU CN201134513Y (en) | 2007-01-16 | 2007-01-16 | Circularly polarised wave guide gap flat-plate antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720103226XU CN201134513Y (en) | 2007-01-16 | 2007-01-16 | Circularly polarised wave guide gap flat-plate antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201134513Y true CN201134513Y (en) | 2008-10-15 |
Family
ID=40062781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720103226XU Expired - Fee Related CN201134513Y (en) | 2007-01-16 | 2007-01-16 | Circularly polarised wave guide gap flat-plate antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201134513Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780093A (en) * | 2012-07-04 | 2012-11-14 | 中天日立射频电缆有限公司 | Circularly polarized antenna based on leakage coaxial cable |
| CN110034386A (en) * | 2019-03-26 | 2019-07-19 | 北京遥测技术研究所 | Low axis can large-angle scanning Waveguide slot linear array antenna than high efficiency |
-
2007
- 2007-01-16 CN CNU200720103226XU patent/CN201134513Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780093A (en) * | 2012-07-04 | 2012-11-14 | 中天日立射频电缆有限公司 | Circularly polarized antenna based on leakage coaxial cable |
| CN110034386A (en) * | 2019-03-26 | 2019-07-19 | 北京遥测技术研究所 | Low axis can large-angle scanning Waveguide slot linear array antenna than high efficiency |
| CN110034386B (en) * | 2019-03-26 | 2020-10-23 | 北京遥测技术研究所 | Low-axis-ratio high-efficiency wide-angle scanning waveguide slot linear array antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing Haiyu Tianhua Communication Equipment Co., Ltd. Meng Hui Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Meng Hui Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20110116 |