CN203013936U - Multibeam plane paster lens antenna - Google Patents
Multibeam plane paster lens antenna Download PDFInfo
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- CN203013936U CN203013936U CN 201320029840 CN201320029840U CN203013936U CN 203013936 U CN203013936 U CN 203013936U CN 201320029840 CN201320029840 CN 201320029840 CN 201320029840 U CN201320029840 U CN 201320029840U CN 203013936 U CN203013936 U CN 203013936U
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- lens antenna
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Abstract
A multibeam plane paster lens antenna relates to a lens antenna. The multibeam plane paster lens antenna provided by the utility model is realized in a mode of a plane paster array antenna and inherits the paster antenna's characteristics of being easy to process, relatively low in cost, and easy to shape. The multibeam plane paster lens antenna can effectively realize the spatial focusing of electromagnetic waves and realizes a good multibeam function through offset-focusing of a feed source. The multibeam plane paster lens antenna comprises a medium installation ring, a bracing frame, a horn feed source, and a plane paster array lens. The plane paster array lens is connected with the bracing frame through the medium installation ring. The horn feed source is arranged above the center of the plane paster array lens and fixed on the bracing frame. The medium installation ring and the plane paster array lens are connected with the horn feed source.
Description
Technical field
The utility model relates to lens antenna, and the mode that relates in particular to the plane patch array antenna realizes the lens antenna function, and realizes a kind of multi-beam plane patch lens antenna of multi-beam by the partially burnt mode of feed.
Background technology
Multi-beam antenna refers to produce the antenna of a plurality of sharp wave bundles, and these sharp wave bundles can synthesize one or several shape beam, to cover specific spatial domain.Multi-beam antenna is used at present very extensive, and its implementation has lens type, reflecting surface formula, phased configuration and with the mixed form of phase array as reflecting surface or lens feed.
Multibeam lens antenna refers to utilize lens that the energy centralization of feed institute radiation is got up to form a sharp wave bundle, realizes electromagnetic space-focusing, and when near lens focus, a plurality of feed being set, just different a plurality of wave beams are pointed in corresponding formation.The implementation key of this multi-beam just is the design of lens, mainly contains at present the plane with two kinds of forms of curved surface.
Chinese patent 200480008809.3 discloses a kind of Radiowave lens antenna device, comprising: hemisphere dragon uncle lens, size are greater than the reflecting plate of described lens diameter, are arranged in the main feed source at lens focus place and the fixing required arm of feed.This structure is to realize with lens that at present the main method of multi-beam, its structure most critical are the designs of dragon uncle lens, and the making precision prescribed is high, and reflection of electromagnetic wave problem at the interface can not be ignored.
Chinese patent 201210051097.X discloses a kind of point focusing flat lens antenna, although this structure replaces the conventional lenses curved surface with super material flat board, but its essence remains and changes refraction index profile by multilayer dielectric structure and obtain plane wave front on radiating aperture, the course of processing is comparatively complicated, involve great expense and boundary reflection serious.
The multi-beam reflection surface antenna refers to have a plurality of feeds to form multi-beam near the reflecting surface focus, for avoiding feed system to the blocking of reflecting surface bore, usually adopts the form of single (two) reflecting surface of biasing.This class antenna realize principle and lens antenna similar, making can be relatively simpler.
Chinese patent 99242196.9 discloses a kind of multibeam parabolic surface antenna, comprising: the rectangle primary reflection surface, and the feedforward feed, double-reflecting face, the feed track, antenna back frame, antenna holder, the feedforward support, track support, the parts such as chassis form.This structural antenna efficient is high, side lobe performance is better, but structure is comparatively complicated, and volume is too large, and the occlusion effect impact is larger.
The multi-beam phased array antenna refers to be arranged by many radiation elements and consists of, and encourages required amplitude and phase place with beam-forming network to array element, to form difform shape beam.Chinese patent 93121640.0 discloses a kind of active transmit phased array antenna, this structure can produce the zone that the synchronous antenna beam of a plurality of independences needs with irradiation, all cell operation of array are at same amplitude leyel, and beam shape and direction are decided by phase adjusted.The advantage of this structure is to control flexibly wave beam number and shape, and can control wave beam and do rapid scanning, but its feeding network complicated, involve great expense.
Summary of the invention
The mode that the purpose of this utility model is to provide with the plane patch array antenna realizes multibeam lens antenna, inherit the paster antenna handling ease, cost is lower and the characteristics such as easy excipient, can effectively realize electromagnetic space-focusing, and by the partially burnt a kind of multi-beam plane patch lens antenna of realizing good multi-beam function of feed.
The utility model is provided with medium installing ring, bracing frame, horn feed and plane patch array lens, described plane patch array lens is connected by the medium installing ring with bracing frame, described horn feed is located at the top, center of plane patch array lens and is fixed on bracing frame, and medium installing ring, plane patch array lens are connected with horn feed.
Described horn feed can be provided with 3 loudspeaker, and each loudspeaker can adopt the 10dB loudspeaker, and the interval between loudspeaker can be 2.5mm; Described medium installing ring, plane patch array lens are connected with horn feed and are screwed connection.
Described plane patch array lens can be provided with 264 chip units, and the interval between described chip unit can be 5.5mm, but described plane patch array lens ovalize, oval-shaped long limit radius can be 132mm, and oval-shaped narrow limit radius can be 66mm; Described chip unit can be laterally zygomorphic 5 layers of structure, and the superiors are paster antenna, and orlop is paster antenna, and the intermediate layer is the slotted metal substrate, is ε between the superiors and intermediate layer
r=2.2 Taconic material layer is ε between orlop and intermediate layer
r=2.2 Taconic material layer, the thickness in intermediate layer can be 17 μ m.
The utility model in the design process of array lens most critical be the design of 264 chip units, owing to there being certain symmetry, the unit number that therefore in fact will design is 66.Due to the form that only adopts a kind of unit, the angles of slotting in parameter that can be by changing cellular construction and unit is realized the phase response of 0 °～360 °, and transmission coefficient all satisfies S under different phase-shift conditions
12〉=-2dB.After the location positioning of 66 array elements in lens arra to be designed is good, just can obtains the corresponding θ value of each array element according to the distance of feed and lens and each array element residing position and (analyze and find
Value is little to the phase effect of array element transmission response).The θ value that obtains is added up, the number that numerical value approaches is sorted out, the value of obtaining its central point with regression analysis is θ value corresponding to this group array element.Then the θ value corresponding according to different array elements and needed included angle carry out simulation analysis and obtain transmission coefficient and phase response, data are carried out difference calculate the cellular construction parameter that just can draw in the desired phase response, structured the formation in the structural parameters of unit corresponding their positions, the design of lens arra has just been completed so again.
On Feed Design, 10dB gain Feed Horn of the present utility model, the lobe width of E face and H face is 112 °, can realize the gain of 23.72dB when the utility model lens are carried out single feed excitation, aperture efficiency reaches 84%, and this is also a main characteristics of the present utility model.
On multi-beam realizes, the utility model is made of 3 10dB gain loudspeaker provideds, structure the formation in the E of plane patch array lens face level, spacing 2.5 ㎜ between loudspeaker, on the limit, the 10dB of loudspeaker decay just covers the E face edge of lens arra, obtain respectively the gain of 23.72dB, 22.37dB, 22.37dB on the frequency of 24.125GHz, effect is very good.The utility model also can increase or reduce corresponding feed number according to actual needs, only needs the form of structuring the formation of lens arra is adjusted.
Operating frequency of the present utility model is 24.125GHz, core is this plane patch array lens, formed by 264 chip units, adjust the patch size of array element by the optical path difference between calculating feed and each array element, and then make up the optical path difference between diverse location array element and center in array, make lens reach the effect of space-focusing.In conjunction with parabolic antenna lateral shift beam scanning principle, a plurality of Feed Horns of cross deflection coke position placement at the planar lens antenna can make the wavefront that produces multiple phase deviation on lens antenna distribute, thereby realize multi-beam.Compare with traditional multi-beam antenna technology, the utility model adopts novel plane patch lens technologies, have the plurality of advantages such as simple in structure, easy to process, high conformity, reliability height, and there is no the impact of blocking of Feed Horn itself on electric property, can be used for various communications and radar system.
Description of drawings
Fig. 1 is that the structure of the utility model embodiment forms schematic diagram.
Fig. 2 is the plan structure schematic diagram of the utility model embodiment.
Fig. 3 is the side-looking structural representation of the utility model embodiment.
Fig. 4 is the plan structure schematic diagram of the plane patch array lens of the utility model embodiment.
Fig. 5 is the side-looking structural representation of the plane patch array lens of the utility model embodiment.
Fig. 6 is the structural representation that the utility model embodiment forms the chip unit of plane patch array lens.
Fig. 7 is the decomposing schematic representation that the utility model embodiment forms the chip unit of plane patch array lens.
Fig. 8 is the directional diagram of the horn feed of the utility model embodiment.
Fig. 9 is plane patch array lens antenna pattern (single Feed Horn is placed in focus).
Figure 10 is directional diagram of the present utility model.
Figure 11 is the isolation between a plurality of feeds of the utility model.
Embodiment
Referring to Fig. 1 ~ 7, the utility model embodiment is provided with medium installing ring 1, bracing frame 2, horn feed 3 and plane patch array lens 4, described plane patch array lens 4 is connected by medium installing ring 1 with bracing frame 2, described horn feed 3 is located at the center top of plane patch array lens 4 and is fixed on bracing frame 2, and medium installing ring 1, plane patch array lens 4 are connected connection with horn feed.Described horn feed 3 can be provided with 3 loudspeaker, and each loudspeaker can adopt the 10dB loudspeaker, and the interval between loudspeaker can be 2.5mm; Described medium installing ring 1, plane patch array lens 4 are connected with horn feed can be screwed connection.Described plane patch array lens 4 can be provided with 264 chip units, and the interval between described chip unit can be 5.5mm, but described plane patch array lens 4 ovalizes, oval-shaped long limit radius can be 132mm, and oval-shaped narrow limit radius can be 66mm; Described chip unit can be laterally zygomorphic 5 layers of structure (referring to Fig. 5～7), and the superiors 51 are paster antenna, and orlop 55 is paster antenna, and intermediate layer 53 is the slotted metal substrate, is ε between the superiors 51 and intermediate layer 53
r=2.2 Taconic material layer 52 is ε between orlop 55 and intermediate layer 53
r=2.2 Taconic material layer 54, the thickness in intermediate layer are 17 μ m.
Feed in the utility model embodiment is positioned at the top of lens centre, is comprised of 3 10dB loudspeaker, and between loudspeaker, interval 2.5 ㎜, be fixed on bracing frame, and the plane patch array lens is fixed by the medium installing ring and is connected with bracing frame.
Lens arra has 264 unit and forms, interval 5.5 ㎜ between the unit, and whole array ovalisation, long limit radius is 132 ㎜, narrow limit radius is 66 ㎜.Obtain its required phase response that makes up according to the optical path difference of each unit, and then can obtain the relevant parameters of each unit paster, then structure the formation.
Cellular construction in the utility model is laterally zygomorphic five-layer structure, and the superiors are paster antenna, and the below is ε
r=2.2 Taconic material, centre are the metallic substrates (thickness 17 μ m) of one deck fluting ("Ji" type).
Referring to Fig. 8, the gain of the utility model Feed Horn is 10dB, and 10dB decay lobe width is 112 °.
Referring to Fig. 9, realize that gain is 23.73dB, back lobe 7.46dB, the highest secondary lobe 6.67dB, 3dB lobe width are 7.3 ° (E faces) and 10.78 ° (H face), realize that aperture efficiency reaches 84%.
Referring to Figure 10, interval 2.5 ㎜ between loudspeaker can obtain from directional diagram: the partially defocused gain 1.4dB that descended, lens still can be good at focusing on.
Referring to Figure 11, three Feed Horns are numbered respectively in the middle of 1(), 2,3, S (2,1) and S (3,1) represent respectively the isolation of loudspeaker 2,3 and middle loudspeaker.Can find out by design sketch, S (2,1) and S (3,1) when 24.125GHz all-below 30dB, isolation is functional.
Claims (9)
1. multi-beam plane patch lens antenna, it is characterized in that being provided with medium installing ring, bracing frame, horn feed and plane patch array lens, described plane patch array lens is connected by the medium installing ring with bracing frame, described horn feed is located at the top, center of plane patch array lens and is fixed on bracing frame, and medium installing ring, plane patch array lens are connected with horn feed.
2. a kind of multi-beam plane patch lens antenna as claimed in claim 1, is characterized in that described horn feed is provided with 3 loudspeaker.
3. a kind of multi-beam plane patch lens antenna as claimed in claim 2, is characterized in that described loudspeaker adopt the 10dB loudspeaker, is spaced apart 2.5mm between loudspeaker.
4. a kind of multi-beam plane patch lens antenna as claimed in claim 1, is characterized in that described medium installing ring, plane patch array lens are connected connection with horn feed.
5. a kind of multi-beam plane patch lens antenna as claimed in claim 1, is characterized in that described plane patch array lens is provided with 264 chip units.
6. a kind of multi-beam plane patch lens antenna as claimed in claim 5, is characterized in that the 5.5mm that is spaced apart between described chip unit.
7. a kind of multi-beam plane patch lens antenna as claimed in claim 1, is characterized in that described plane patch array lens ovalize, and oval-shaped long limit radius is 132mm, and oval-shaped narrow limit radius is 66mm.
8. a kind of multi-beam plane patch lens antenna as claimed in claim 5, it is characterized in that described chip unit is laterally zygomorphic 5 layers of structure, the superiors are paster antenna, and orlop is paster antenna, the intermediate layer is the slotted metal substrate, is ε between the superiors and intermediate layer
r=2.2 Taconic material layer is ε between orlop and intermediate layer
r=2.2 Taconic material layer.
9. a kind of multi-beam plane patch lens antenna as claimed in claim 7, the thickness that it is characterized in that described intermediate layer is 17 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320029840 CN203013936U (en) | 2013-01-18 | 2013-01-18 | Multibeam plane paster lens antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320029840 CN203013936U (en) | 2013-01-18 | 2013-01-18 | Multibeam plane paster lens antenna |
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| Publication Number | Publication Date |
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| CN203013936U true CN203013936U (en) | 2013-06-19 |
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| CN 201320029840 Expired - Fee Related CN203013936U (en) | 2013-01-18 | 2013-01-18 | Multibeam plane paster lens antenna |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050782A (en) * | 2013-01-18 | 2013-04-17 | 厦门大学 | Multi-beam plane patch lens antenna |
| CN104916918A (en) * | 2015-04-28 | 2015-09-16 | 电子科技大学 | High-gain horn antenna based on metamaterial loading |
| CN106650097A (en) * | 2016-12-22 | 2017-05-10 | 厦门大学 | Synthesis method of array antenna shaped beam with controllable excitation amplitude dynamic range |
| CN108205137A (en) * | 2016-12-20 | 2018-06-26 | 北京行易道科技有限公司 | Lens radar and the vehicles |
| CN109597051A (en) * | 2018-12-20 | 2019-04-09 | 中国科学院电子学研究所 | Beam sweeping method based on laser signal frequency scanning |
| CN110739551A (en) * | 2019-10-29 | 2020-01-31 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN110783692A (en) * | 2019-11-05 | 2020-02-11 | Oppo广东移动通信有限公司 | Antenna array and electronic equipment |
| CN112582805A (en) * | 2019-09-30 | 2021-03-30 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN112582803A (en) * | 2019-09-30 | 2021-03-30 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
-
2013
- 2013-01-18 CN CN 201320029840 patent/CN203013936U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050782B (en) * | 2013-01-18 | 2015-09-02 | 厦门大学 | Multi-beam plane patch lens antenna |
| CN103050782A (en) * | 2013-01-18 | 2013-04-17 | 厦门大学 | Multi-beam plane patch lens antenna |
| CN104916918A (en) * | 2015-04-28 | 2015-09-16 | 电子科技大学 | High-gain horn antenna based on metamaterial loading |
| CN104916918B (en) * | 2015-04-28 | 2018-05-25 | 电子科技大学 | A kind of high-gain horn antenna based on Meta Materials loading |
| CN108205137A (en) * | 2016-12-20 | 2018-06-26 | 北京行易道科技有限公司 | Lens radar and the vehicles |
| CN108205137B (en) * | 2016-12-20 | 2024-03-01 | 北京行易道科技有限公司 | Lens radar and vehicle |
| CN106650097A (en) * | 2016-12-22 | 2017-05-10 | 厦门大学 | Synthesis method of array antenna shaped beam with controllable excitation amplitude dynamic range |
| CN106650097B (en) * | 2016-12-22 | 2020-04-03 | 厦门大学 | Array antenna shaped beam synthesis method with controllable excitation amplitude dynamic range |
| CN109597051B (en) * | 2018-12-20 | 2020-12-22 | 中国科学院电子学研究所 | Beam scanning method based on laser signal frequency scanning |
| CN109597051A (en) * | 2018-12-20 | 2019-04-09 | 中国科学院电子学研究所 | Beam sweeping method based on laser signal frequency scanning |
| CN112582805A (en) * | 2019-09-30 | 2021-03-30 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN112582803A (en) * | 2019-09-30 | 2021-03-30 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN110739551B (en) * | 2019-10-29 | 2021-09-28 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN110739551A (en) * | 2019-10-29 | 2020-01-31 | Oppo广东移动通信有限公司 | Array lens, lens antenna, and electronic apparatus |
| CN110783692B (en) * | 2019-11-05 | 2021-03-23 | Oppo广东移动通信有限公司 | Antenna array and electronic equipment |
| CN110783692A (en) * | 2019-11-05 | 2020-02-11 | Oppo广东移动通信有限公司 | Antenna array and electronic equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20180118 |