CN203589197U - Low-profile high-gain panel antenna - Google Patents
Low-profile high-gain panel antenna Download PDFInfo
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- CN203589197U CN203589197U CN201320661360.7U CN201320661360U CN203589197U CN 203589197 U CN203589197 U CN 203589197U CN 201320661360 U CN201320661360 U CN 201320661360U CN 203589197 U CN203589197 U CN 203589197U
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- plate aerial
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Abstract
The utility model relates to a low-profile high-gain panel antenna which comprises a radiation layer, a coupling layer, and a feed layer, wherein the radiation layer is a slit radiation layer; radiation slits are arranged on the radiation layer; the length of each radiation slit is one half of the average wavelength of a Ku wave band; the feed layer comprises a plurality of feed units; each single feed unit corresponds to a coupling unit and comprises a feed waveguide and a power splitter; and a waveguide T branch matching manner is used, and one capacitive resistor step is arranged at a joint of each feed waveguide. According to the low-profile high-gain panel antenna, the efficiency of the antenna is increased by more than 85%, and the overall thickness of the antenna is reduced to about 21 mm; and on the basis that the efficiency of the antenna is guaranteed, the thickness of the antenna is greatly reduced so that the size of the panel antenna is smaller and the weight is lower. The low-profile high-gain panel antenna has the characteristics of low profile, high efficiency and the like.
Description
Technical field
The utility model relates to a kind of low profile high-gain plate aerial, belongs to the technical field of the plate aerial of communicating by letter.
Background technology
Plate aerial is by feat of size is little, lightweight, efficiency is high and the advantage such as Rong Yi An Installed is more and more applied in dynamical satellite, aircraft, mobile communication mobile phone.The frequency range of plate aerial is narrow, and narrow frequency range transmits confidential material and is very suitable for state secret or Military Application, and plate aerial is easy and the combination of high frequency front-end module, is well suited for being applied in wireless mobile communication system.Although the radiation efficiency of plate aerial will be far above other forms of antenna, the efficiency of the conventional plate aerial in market is between 75%～80% now, and thickness is also larger: generally, more than 28mm, its efficiency and portability be Shortcomings all.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of low profile high-gain plate aerial.
The technical solution of the utility model is as follows:
A low profile high-gain plate aerial, comprises radiating layer, coupling layer and feed layer; Described radiating layer is gap radiation layer: on described radiating layer, be provided with radiating slot, the length of described radiating slot is 1/2nd of Ku wave band mean wavelength.The various arrangement orderly crack of described radiating slot for digging on radiating layer, the suitable half-wave dipole radiating element of described radiating slot.
Preferred according to the utility model, described low profile high-gain plate aerial is that thickness is 19-22mm.
Preferred according to the utility model, described radiating layer, coupling layer and feed layer fixedly mount by location hole, connecting hole and screw matching order.
Preferred according to the utility model, the seam of described radiating slot is grown for 11-13mm, and the seam of described radiating slot is wide is 1.7-2.2mm.
Preferred according to the utility model, described radiating slot is horizontally arranged in the surface of described radiating layer, is provided with coupling grid between adjacent row's radiating slot.The object that relates to the grid that are coupled is herein: reduce the electromagnetic coupled between radiating slot.
Preferred according to the utility model, on described coupling layer, be provided with a plurality of coupling units, wherein single coupling unit comprises four coupling cavitys.Described coupling cavity is responsible for that each radiating slot of radiating layer is absorbed to the signal coming and is coupled to feed layer by each corresponding coupling cavity.
Preferred according to the utility model, described feed layer comprises a plurality of feed element, described single feed element is corresponding with described coupling unit, described single feed element comprises feed waveguide and power splitter, adopt waveguide T branch matching way, a capacitive character resistance step is set in the joint of feed waveguide.The effect of described capacitive character resistance step is: offset the reactance of not mating and introducing, simultaneously guide electromagnetic waves conduction orientation.
Preferred according to the utility model, described feed waveguide is of a size of a=13.2mm, b=6.6mm.The utility model adopts non-standard waveguide, and uses size a=13.2mm, and b=6.6mm replaces general BJ120 waveguide.
Preferred according to the utility model, the length of side of described capacitive character resistance step is b=6.6mm, at described capacitive character resistance step one jiao, is provided with corner cut, and the radius of described corner cut is r_turn=1.3-1.8mm.
Advantage of the present utility model is:
1, low profile high-gain plate aerial described in the utility model, its antenna efficiency is brought up to more than 85%, and the integral thickness of described antenna is reduced to 21mm left and right.Guaranteeing, on the high efficiency basis of antenna, greatly to have reduced the thickness of antenna, make the volume of plate aerial less, quality is lighter.
2, low profile high-gain plate aerial described in the utility model has low profile, the characteristics such as high efficiency:
(1) low profile high-gain plate aerial described in the utility model adopt non-standard waveguide replace KU wave band conventional BJ120 waveguide carry out signal transmission, guaranteeing on the high efficiency basis of antenna, greatly reduced the thickness of antenna, made the volume of plate aerial less, quality is lighter.
(2) low profile high-gain plate aerial described in the utility model is through a large amount of experimental studies, determine and adopt radiating layer, coupling layer and the feed layer of concrete structure and size, guarantee this antenna homophase feed completely, antenna standing wave ratio is good, has higher radiation efficiency.
Accompanying drawing explanation
Fig. 1 is low profile high-gain plate aerial schematic diagram of the present utility model;
Fig. 2 is the structural representation of the utility model radiating layer;
Fig. 3 is the coupling unit of the utility model coupling layer;
Fig. 4 is the feed element of feed layer described in the utility model;
Fig. 5 is the size schematic diagram of capacitive character resistance step of the present utility model;
Fig. 6 is waveguide dimensions schematic diagram of the present utility model;
Fig. 7 is the size schematic diagram of existing BJ120 standard waveguide;
Fig. 8 is the simulate and test figure of the voltage standing wave ratio of low profile high-gain plate aerial described in the utility model;
In Fig. 1-6,1, radiating layer; 2, coupling layer; 3, feed layer; 4, location hole; 5, connecting hole; 6, radiating slot; 7, coupling grid; 8, coupling cavity; 9, feed waveguide; 10, power splitter; 11, waveguide mouth; 12, capacitive character resistance step; 13, one jiao of corner cut arranging of capacitive character resistance step; A, b are respectively feed waveguide size.
Embodiment
Below in conjunction with embodiment and Figure of description, the utility model is described in detail, but is not limited to this.
As shown in Fig. 1-7.
A low profile high-gain plate aerial, comprises radiating layer 1, coupling layer 2 and feed layer 3; Described radiating layer 1 is gap radiation layer: on described radiating layer 1, be provided with radiating slot 6, the length of described radiating slot 6 is 1/2nd of Ku wave band mean wavelength.
A low profile high-gain plate aerial as described in Example 1, its difference is, described low profile high-gain plate aerial is that thickness is 19-22mm.
Embodiment 3,
A kind of low profile high-gain plate aerial as described in embodiment 1,2, its difference is, described radiating layer 1, coupling layer 2 and feed layer 3 fixedly mount by location hole 4, connecting hole 5 and screw matching order.
The seam of described radiating slot 6 is grown for 11-13mm, and the seam of described radiating slot 6 is wide is 1.7-2.2mm.
On described coupling layer 2, be provided with a plurality of coupling units, wherein single coupling unit comprises four coupling cavitys 8.
Described feed layer 3 comprises a plurality of feed element, described single feed element is corresponding with described coupling unit, described single feed element comprises feed waveguide 9 and power splitter 10, adopts waveguide T branch matching way, and a capacitive character resistance step 12 is set in the joint of feed waveguide 9.
Described feed waveguide 9 is of a size of a=13.2mm, b=6.6mm.
The length of side of described capacitive character resistance step 12 is b=6.6mm, at described capacitive character resistance step 12 one jiao, is provided with corner cut 13, and the radius of described corner cut 13 is r_turn=1.3-1.8mm.
A kind of low profile high-gain plate aerial as described in embodiment 1-3, its difference is, described radiating slot 6 is horizontally arranged in the surface of described radiating layer 1, is provided with coupling grid 7 between adjacent row's radiating slot 6.
The application of a kind of low profile high-gain plate aerial as described in embodiment 1-4: for receiving HDTV (High-Definition Television) signal, when receiving high-definition television program, each gap radiation unit of radiating layer absorbs incoming telephone signal, by resonant cavity, produce resonance, then by coupling layer, be coupled to waveguide feed layer, feed layer is amplified the satellite RF signal of reception by low noise amplifier, separated, down-convert to intermediate-freuqncy signal, be demodulated to again baseband signal, video-audio signal be transferred to HDTV (High-Definition Television) terminal display after set top box decodes and receive high-definition program.
Wherein table 1 is all kinds of duty parameter tables of low profile high-gain plate aerial described in the utility model and existing same size plate aerial.Table 1
Known in conjunction with Fig. 8 voltage standing wave ratio, low profile high-gain plate aerial standing-wave ratio described in the utility model is lower than 1.26, and power transmission efficiency reaches more than 98.3%, has highlighted the high characteristic of the utility model plate aerial radiation efficiency.
Claims (9)
1. a low profile high-gain plate aerial, comprises radiating layer, coupling layer and feed layer; Described radiating layer is gap radiation layer: on described radiating layer, be provided with radiating slot, the length of described radiating slot is 1/2nd of Ku wave band mean wavelength.
2. a kind of low profile high-gain plate aerial according to claim 1, is characterized in that, described low profile high-gain plate aerial is that thickness is 19-22mm.
3. a kind of low profile high-gain plate aerial according to claim 1, is characterized in that, described radiating layer, coupling layer and feed layer fixedly mount by location hole, connecting hole and screw matching order.
4. a kind of low profile high-gain plate aerial according to claim 1, is characterized in that, the seam of described radiating slot is grown for 11-13mm, and the seam of described radiating slot is wide is 1.7-2.2mm.
5. a kind of low profile high-gain plate aerial according to claim 4, is characterized in that, described radiating slot is horizontally arranged in the surface of described radiating layer, is provided with coupling grid between adjacent row's radiating slot.
6. a kind of low profile high-gain plate aerial according to claim 1, is characterized in that, on described coupling layer, be provided with a plurality of coupling units, wherein single coupling unit comprises four coupling cavitys.
7. a kind of low profile high-gain plate aerial according to claim 1, it is characterized in that, described feed layer comprises a plurality of feed element, described single feed element is corresponding with described coupling unit, described single feed element comprises feed waveguide and power splitter, adopt waveguide T branch matching way, a capacitive character resistance step is set in the joint of feed waveguide.
8. a kind of low profile high-gain plate aerial according to claim 7, is characterized in that, described feed waveguide is of a size of a=13.2mm, b=6.6mm.
9. a kind of low profile high-gain plate aerial according to claim 7, is characterized in that, the length of side of described capacitive character resistance step is b=6.6mm, at described capacitive character resistance step one jiao, is provided with corner cut, and the radius of described corner cut is r_turn=1.3-1.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661360.7U CN203589197U (en) | 2013-10-24 | 2013-10-24 | Low-profile high-gain panel antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661360.7U CN203589197U (en) | 2013-10-24 | 2013-10-24 | Low-profile high-gain panel antenna |
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| Publication Number | Publication Date |
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| CN203589197U true CN203589197U (en) | 2014-05-07 |
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| CN201320661360.7U Expired - Fee Related CN203589197U (en) | 2013-10-24 | 2013-10-24 | Low-profile high-gain panel antenna |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531892A (en) * | 2013-10-24 | 2014-01-22 | 山东国威舜泰卫星通信有限公司 | Low-profile high-gain panel antenna and application thereof |
| CN107342454A (en) * | 2017-06-09 | 2017-11-10 | 宁波大学 | A kind of Waveguide slot array antenna |
| CN108028470A (en) * | 2015-09-24 | 2018-05-11 | 英特尔公司 | With the antenna integrated of show uniformity |
| CN110212284A (en) * | 2019-06-18 | 2019-09-06 | 成都聚利中宇科技有限公司 | A kind of on-chip antenna array apparatus |
| CN111585050A (en) * | 2020-05-18 | 2020-08-25 | 宁波大学 | Broadband flat array antenna |
-
2013
- 2013-10-24 CN CN201320661360.7U patent/CN203589197U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531892A (en) * | 2013-10-24 | 2014-01-22 | 山东国威舜泰卫星通信有限公司 | Low-profile high-gain panel antenna and application thereof |
| CN108028470A (en) * | 2015-09-24 | 2018-05-11 | 英特尔公司 | With the antenna integrated of show uniformity |
| CN108028470B (en) * | 2015-09-24 | 2021-06-04 | 苹果公司 | Integrated antenna with display uniformity |
| CN107342454A (en) * | 2017-06-09 | 2017-11-10 | 宁波大学 | A kind of Waveguide slot array antenna |
| CN107342454B (en) * | 2017-06-09 | 2020-02-21 | 宁波大学 | Waveguide slot array antenna |
| CN110212284A (en) * | 2019-06-18 | 2019-09-06 | 成都聚利中宇科技有限公司 | A kind of on-chip antenna array apparatus |
| CN111585050A (en) * | 2020-05-18 | 2020-08-25 | 宁波大学 | Broadband flat array antenna |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20151024 |
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| EXPY | Termination of patent right or utility model |