CN203277632U - Square radiating-element circularly polarized planar antenna - Google Patents
Square radiating-element circularly polarized planar antenna Download PDFInfo
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- CN203277632U CN203277632U CN 201320195146 CN201320195146U CN203277632U CN 203277632 U CN203277632 U CN 203277632U CN 201320195146 CN201320195146 CN 201320195146 CN 201320195146 U CN201320195146 U CN 201320195146U CN 203277632 U CN203277632 U CN 203277632U
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Abstract
The utility model relates to a square radiating-element circularly polarized planar antenna which comprises a radiation layer, a coupling layer and a feed network. The radiation layer is provided with a special-shaped radiator. The feed network is a feed network of a linearly polarized planar antenna. One side of the special-shaped radiator, opposite to the coupling layer, is provided with a radiating slot; and one side of the special-shaped radiator along the radiation direction is provided with a square column-structured groove. The length side of the square column-structured groove and the length side of the planar antenna form a certain angle. Due to the angle, work module field component on the length side and that on the width side of the square column-structured groove are equal, electric field phase difference of the length side and the width side of the square column-structured groove is 90 degrees, and circular polarization is formed. According to the square radiating-element circularly polarized planar antenna provided by the utility model, the whole structure is simple and convenient to process and manufacture, and gain and efficiency are greatly raised. The gain is raised by 0.8dB, and efficiency is raised by 20%.
Description
Technical field
The utility model relates to a kind of square radiating element circular plate antenna, belongs to the technical field of satellite communication plate aerial.
Background technology
Waveguide type gap radiation antenna is compared with the common reflector antenna that tradition is commonly used, has good mechanical strength, higher radiation efficiency, compact antenna structure, lower antenna feed loss, the good superiority such as power capacity.At present, plate aerial is little with its volume, and is easy to carry, and the efficient advantages of higher is used widely.
The circular polarized antenna of existing structure is mainly little band circular polarised array antenna, and after frequency reaches the Ka frequency range, and after array sizes acquired a certain degree, the efficient of microstrip antenna can reduce.And existing circular plate antenna circular polarization bandwidth and standing wave bandwidth are narrower, the aerial array of the utility model design, and axial ratio bandwidth and standing wave bandwidth are all more than 8%, and gain reaches more than 85%.
The utility model content
For the deficiencies in the prior art, the utility model provides a kind of efficient high, and high square radiating element circular plate antenna gains.
The technical solution of the utility model is:
A kind of square radiating element circular plate antenna comprises radiating layer, coupling layer and feeding network, is provided with special-shaped radiator on described radiating layer, and feeding network is the feeding network of linear polarization plate aerial; The side that described special-shaped radiator is relative with described coupling layer is provided with radiating slot, is provided with square column structure groove along a side of radiation direction; The long limit of described square column structure groove and the long limit of described plate aerial are at an angle, described angle makes the long limit of square column structure groove and the mode of operation field component on broadside equate, and 90 degree of phasic difference mutually of electric field, form circular polarization on the long limit of square column structure groove and broadside.
The size of described square column structure groove is relevant with the operating frequency of antenna.Preferred according to the utility model, wherein, the size range of described square column structure groove: the degree of depth is 0.18 λ-0.22 λ, and length is 0.7 λ-0.9 λ, width is 0.6 λ-0.8 λ, wherein the wavelength propagated in air for the operating frequency of this square radiating element circular plate antenna of λ.
Preferred according to the utility model, the size range of described radiating slot: length is 0.5 λ-0.55 λ, and wide is 0.08 λ-0.1 λ.
The utility model has the advantage of:
Square radiating element circular plate antenna described in the utility model, the overall structure processing and fabricating is simple and convenient, and gain and efficient promote greatly, and gain improves 0.8dB, and efficient improves 20%.In the situation that the signal quality raising is a lot, antenna area does not increase, and has effectively saved the cost of processing and manufacturing, is conducive to install and use.In the utility model, with the aerial array of 16 radiators, gain reaches 21.64dB, and efficient reaches more than 85%.
Description of drawings
Fig. 1 is the structural representation of square radiating element circular plate antenna described in the utility model;
Fig. 2 is the reverse side structural representation of Fig. 1;
Fig. 3 is the schematic diagram of square column structure groove in special-shaped radiator described in the utility model;
Fig. 4 is the structural representation of the utility model radiating layer reverse side;
Fig. 5 is the structural representation of the utility model coupling layer;
Fig. 6 is the structural representation of the utility model feeding network;
Fig. 7 is the structural representation of the utility model feeding network reverse side;
Fig. 8 is the circular polarization schematic diagram of square radiating element circular plate antenna described in the utility model; It is the simulation result of this utility model gain; This utility model is by rotation square column structure, and method is simple, and the gain of this antenna compares with the traditional reflective surface antenna of identical bore, more than improving 0.8dB;
In Fig. 1-7: 1, radiating layer; 2, coupling layer; 3, feeding network; 4, square column structure groove; 5, radiating slot; 6, the feeding network of linear polarization plate aerial; 7, resonant cavity.
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 kind of square radiating element circular plate antenna comprises radiating layer 1, coupling layer 2 and feeding network 3, is provided with special-shaped radiator on described radiating layer 1, and feeding network 3 is the feeding network 6 of linear polarization plate aerial; The side that described special-shaped radiator is relative with described coupling layer 2 is provided with radiating slot 5, is provided with square column structure groove 4 along a side of radiation direction; The long limit of described square column structure groove 4 and the long limit of described plate aerial are at an angle, described angle makes the long limit of square column structure groove 4 and the mode of operation field component on broadside equate, and 90 degree of phasic difference mutually of electric field, form circular polarization on the long limit of square column structure groove 4 and broadside.
Described square column structure groove 4 is of a size of: the degree of depth is 0.2 λ, and length is 0.8 λ, and width is 0.7 λ, wherein the wavelength propagated in air for the operating frequency of this square radiating element circular plate antenna of λ.
Described radiating slot 5 is of a size of: length is 0.5 λ, and wide is 0.08 λ.
Fig. 8 is the circular polarization schematic diagram of square radiating element circular plate antenna described in the utility model; Be the simulation result of this utility model gain, this utility model is by rotation square column structure, and method is simple, and the gain of this antenna compares with the traditional reflective surface antenna of identical bore, more than improving 0.8dB.
A kind of square radiating element circular plate antenna as described in Example 1, its difference be,
The size of described square column structure groove 4: the degree of depth is 0.18 λ, and length is 0.7 λ, and width is 0.6 λ, wherein the wavelength propagated in air for the operating frequency of this square radiating element circular plate antenna of λ.
The size of described radiating slot 5: length is 0.5 λ, and wide is 0.08 λ.
A kind of square radiating element circular plate antenna as described in Example 1, its difference be,
The size of described square column structure groove 4: the degree of depth is 0.22 λ, and length is 0.9 λ, and width is 0.8 λ, wherein the wavelength propagated in air for the operating frequency of this square radiating element circular plate antenna of λ.
Claims (3)
1. a square radiating element circular plate antenna, is characterized in that, this plate aerial comprises radiating layer, coupling layer and feeding network, is provided with special-shaped radiator on described radiating layer, and feeding network is the feeding network of linear polarization plate aerial; The side that described special-shaped radiator is relative with described coupling layer is provided with radiating slot, is provided with square column structure groove along a side of radiation direction; The long limit of described square column structure groove and the long limit of described plate aerial are at an angle, described angle makes the long limit of square column structure groove and the mode of operation field component on broadside equate, and 90 degree of phasic difference mutually of electric field, form circular polarization on the long limit of square column structure groove and broadside.
2. a kind of square radiating element circular plate antenna according to claim 1, it is characterized in that, the size range of described square column structure groove: the degree of depth is 0.18 λ-0.22 λ, length is 0.7 λ-0.9 λ, width is 0.6 λ-0.8 λ, wherein the wavelength propagated in air for the operating frequency of this square radiating element circular plate antenna of λ.
3. a kind of square radiating element circular plate antenna according to claim 1, it is characterized in that the size range of described radiating slot: length is 0.5 λ-0.55 λ, wide is 0.08 λ-0.1 λ; The wavelength propagated in air for the operating frequency of this square radiating element circular plate antenna of λ wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320195146 CN203277632U (en) | 2013-04-18 | 2013-04-18 | Square radiating-element circularly polarized planar antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320195146 CN203277632U (en) | 2013-04-18 | 2013-04-18 | Square radiating-element circularly polarized planar antenna |
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| Publication Number | Publication Date |
|---|---|
| CN203277632U true CN203277632U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320195146 Expired - Fee Related CN203277632U (en) | 2013-04-18 | 2013-04-18 | Square radiating-element circularly polarized planar antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199334A (en) * | 2013-04-18 | 2013-07-10 | 山东国威卫星通信有限公司 | Circularly polarized plate aerial for square radiation unit |
| WO2015085792A1 (en) * | 2013-12-13 | 2015-06-18 | 华为技术有限公司 | Array antenna |
| CN109509993A (en) * | 2018-12-29 | 2019-03-22 | 四川睿迪澳科技有限公司 | Broadband circle polarized waveguide array antenna |
-
2013
- 2013-04-18 CN CN 201320195146 patent/CN203277632U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199334A (en) * | 2013-04-18 | 2013-07-10 | 山东国威卫星通信有限公司 | Circularly polarized plate aerial for square radiation unit |
| WO2015085792A1 (en) * | 2013-12-13 | 2015-06-18 | 华为技术有限公司 | Array antenna |
| US9893433B2 (en) | 2013-12-13 | 2018-02-13 | Huawei Technologies Co., Ltd. | Array antenna |
| CN109509993A (en) * | 2018-12-29 | 2019-03-22 | 四川睿迪澳科技有限公司 | Broadband circle polarized waveguide array antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131106 Termination date: 20150418 |
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| EXPY | Termination of patent right or utility model |