CN206451832U - Antenna - Google Patents
Antenna Download PDFInfo
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- CN206451832U CN206451832U CN201621475582.XU CN201621475582U CN206451832U CN 206451832 U CN206451832 U CN 206451832U CN 201621475582 U CN201621475582 U CN 201621475582U CN 206451832 U CN206451832 U CN 206451832U
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- frequency
- antenna
- selective surfaces
- surface texture
- electromagnetic wave
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Abstract
A kind of antenna is disclosed, it includes：Waveguide；Multiple gaps, the multiple gap is located in the waveguide, and the multiple gap can radiated electromagnetic wave；And multiple frequency-selective surfaces structures, the multiple frequency-selective surfaces structure covers the multiple gap, the frequency-selective surfaces structure passes through or ended the electromagnetic wave of preset frequency, wherein, the multiple frequency-selective surfaces structure is divided at least two classes, and frequency-selective surfaces structure passes through or ended the electromagnetic wave of different preset frequencies respectively at least described in two classes.According to antenna of the present utility model, the at least two quefrencys selection surface texture for the electromagnetic wave for passing through or ending different preset frequencies respectively is loaded on gap, antenna is set to realize the wave beam forming of different frequency, enable the antenna to work simultaneously under the different frequency of same feed, improve the utilization rate of feed, the overall dimension of antenna is substantially reduced, possibility is provided to design different types of multifrequency antenna.
Description
Technical field
The utility model is related to radio communication field, more particularly, to a kind of antenna.
Background technology
Antenna is the part for being used for launching or receiving electromagnetic wave in wireless device, radio communication, broadcast, TV, thunder
Reach, navigate, electronic countermeasure, remote sensing, the engineering system such as radio astronomy, it is every using electromagnetic waves to transmission information, depend on day
Line is operated.The species of antenna is more, such as, including parabolic reflector antenna and lens antenna, they use optical focus
Principle, feed efficiency is higher；It is relatively heavier but these antenna volume is larger, carrying is not easily assembled, and process more complicated, no
Meet contemporary RF system miniaturization, integrability and demand easy for installation.Antenna can also also use plane including some
The antenna of array, this kind of aerial array includes：Microstrip antenna, Waveguide slot antenna and CTS (Continuous
Transverse Stub, continuous transverse minor matters) antenna etc..Such antenna generally makes paster on medium substrate or wave guide wall
Or gap, with radiated electromagnetic wave.
By taking CTS antennas as an example, to realize the multifrequency of antenna, currently existing scheme is to utilize orthogonal many line sources simultaneously
Fed, and realized by opening cross gap in waveguide.Therefore space occupancy rate is larger, it is difficult to break through the limit of double frequency
System.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of antenna, and the antenna can realize the same of multifrequency
When self structure it is simpler.
A kind of antenna is provided according to the utility model, including：Waveguide；Multiple gaps, the multiple gap is located at the ripple
Lead, the multiple gap is used for radiated electromagnetic wave；And multiple frequency-selective surfaces structures, the multiple frequency-selective surfaces
Structure covers the multiple gap, and the frequency-selective surfaces structure passes through or ended the electromagnetic wave of preset frequency, wherein,
The multiple frequency-selective surfaces structure is divided at least two classes, and frequency-selective surfaces structure is passed through or cut respectively at least described in two classes
The only electromagnetic wave of different preset frequencies.
Preferably, the antenna is Waveguide slot antenna or continuous transverse minor matters antenna.
Preferably, the waveguide is parallel-plate waveguide, and the parallel-plate waveguide is flat including the first relative flat board and second
Plate, the multiple gap is located on first flat board.
Preferably, the quantity of the multiple frequency-selective surfaces structure is identical with the quantity in the multiple gap, described many
Individual frequency-selective surfaces structure corresponds the multiple gap of covering respectively.
Preferably, the multiple gap is strip, and the multiple frequency-selective surfaces structure is rectangle.
Preferably, the multiple gap is parallel to each other, and the multiple frequency-selective surfaces structure correspondence is parallel to each other.
Preferably, the equidistant array arrangement in the multiple gap, the equidistant array of the multiple frequency-selective surfaces structure correspondence
Arrangement.
Preferably, the multiple frequency-selective surfaces structure is divided into two classes：First frequency selects surface texture and the second frequency
Rate selects surface texture, and the first frequency selection surface texture passes through the electromagnetic wave of the first preset frequency, described second
Frequency-selective surfaces structure passes through the electromagnetic wave of the second preset frequency, and it is pre- that first preset frequency is different from described second
Determine frequency.
Preferably, the first frequency selection surface texture is arranged with second frequency selection surface texture alternate intervals
Cloth.
Preferably, the receives frequency of the first preset frequency correspondence antenna, the second preset frequency correspondence institute
State the tranmitting frequency of antenna.
According to antenna of the present utility model, the loaded frequency selective surface on gap
(FrequencySelectiveSurface, FSS) structure, principle is selected using the frequency of frequency-selective surfaces structure, allows preset frequency
Electromagnetic wave pass through or end, and multiple frequency-selective surfaces structures are divided at least two classes, and frequency is selected at least described in two classes
Surface texture passes through or ended the electromagnetic wave of different preset frequencies respectively, antenna is realized the wave beam forming of different frequency,
Enable the antenna to work simultaneously under the different frequency of same feed.The limitation of antenna double frequency is breached, the profit of feed is improved
With rate, the effect of multifrequency can be just realized due to only needing to a feed, the overall dimension of antenna is substantially reduced, for design not
The multifrequency antenna of same type is provided may.
In a preferred embodiment, the multiple frequency-selective surfaces structure is divided into two classes：First frequency selection surface knot
Structure and second frequency selection surface texture, first frequency selection surface texture pass through the electromagnetic wave of the first preset frequency, the second frequency
Rate selection surface texture passes through the electromagnetic wave of the second preset frequency, the receives frequency of the first preset frequency respective antenna, described the
The tranmitting frequency of two preset frequency respective antennas.Same line source can be utilized, makes antenna while working in transmitting-receiving frequency range, carries
High efficiency, and greatly reduce the size of antenna.
Brief description of the drawings
By description referring to the drawings to the utility model embodiment, of the present utility model above-mentioned and other mesh
, feature and advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows the structure chart of the antenna according to the utility model first embodiment.
Fig. 2 shows the three-dimensional exploded view of the antenna according to the utility model first embodiment.
Fig. 3 shows the structure chart of the antenna according to the utility model second embodiment.
Embodiment
The utility model is more fully described hereinafter with reference to accompanying drawing.For the sake of clarity, the various pieces in accompanying drawing do not have
Have drawn to scale.Furthermore, it is possible to not shown some known parts.It describe hereinafter of the present utility model many specific
Details, but just as the skilled person will understand, this can not be realized according to these specific details
Utility model.
It should be appreciated that when describing the structure of part, being referred to as being located at another floor, another area when by a floor, a region
When domain " above " or " top ", can refer to above another layer, another region, or its with another layer, it is another
Also comprising other layers or region between individual region.Also, if by part turnover, this layer, a region will be located at it is another
Layer, another region " following " or " lower section ".
The structure chart and three-dimensional exploded view of the antenna according to the utility model first embodiment is shown respectively in Fig. 1 and Fig. 2.The
The antenna of one embodiment includes：Waveguide 110, multiple gaps 120, multiple frequency-selective surfaces structures 130.Multiple gaps 120 are set
In waveguide 110, multiple gaps 120 can radiated electromagnetic wave.Multiple frequency-selective surfaces structures 130 cover multiple gaps 120, frequency
Rate selection surface texture 130 passes through or ended the electromagnetic wave of preset frequency, wherein, multiple frequency-selective surfaces structures 130
It is divided at least two classes, frequency-selective surfaces structure 130 passes through or ended the described of different preset frequencies respectively at least described in two classes
Electromagnetic wave.
According to the present invention, the antenna can be Waveguide slot antenna or continuous transverse minor matters (CTS) antenna.CTS antennas
It is one kind of planar waveguide antenna, such antenna adds by the continuous horizontal seam for opening insertion on planar waveguide and laterally sewing on
Minor matters realize radiation, while being fed using the electromagnetic wave of TEM mode, make it have very high feed efficiency and aperture efficiency, and
And such antenna simple processing, cost is relatively low, and the design with multiple frequency-selective surfaces structures 130 of the present invention is engaged, profit
Principle is selected with the frequency of frequency-selective surfaces structure 130, can pass through or end with the electromagnetic wave of preset frequency, and multiple frequencies are selected
It is at least two classes to select 130 points of surface texture, and at least two quefrencys selection surface texture 130 passes through or ended different predetermined frequencies respectively
The electromagnetic wave of rate, allows antenna to realize the wave beam forming of different frequency, so as in the different frequency of same feed similarly hereinafter
When work.Above-mentioned design breaches the limitation of CTS antenna double frequencies, improves the utilization rate of feed, due to only needing to a feed
The effect of multifrequency can be just realized, the overall dimension of antenna is substantially reduced, being provided for the different types of multifrequency antenna of design can
Energy.It will be illustrated below so that the antenna is CTS antennas as an example.
Such as Fig. 1 and Fig. 2, waveguide 110 can be parallel-plate waveguide, and parallel-plate waveguide 110 includes the first relative flat board 111
With the second flat board 112, multiple gaps 120 can be arranged on the first flat board 111.
Preferably, the quantity of multiple frequency-selective surfaces structures 130 is identical with the quantity in multiple gaps 120, multiple frequencies
Selection surface texture 130 corresponds the multiple gaps 120 of covering respectively.
Further, multiple gaps 120 of the present embodiment are strip, accordingly, multiple frequency-selective surfaces structures
130 be that can cover the rectangle in gap 120.Multiple gaps 120 are parallel to each other, then multiple frequency-selective surfaces structures 130
Correspondence is parallel to each other.The equidistant array arrangement in multiple gaps 120, multiple frequency-selective surfaces structures 130 also correspond to equidistant array row
Cloth.And in the present embodiment, the direction of the direction in gap 120 Electromagnetic Wave Propagation in waveguide 110.
Further, 130 points of multiple frequency-selective surfaces structures of the present embodiment are two classes：First frequency selection surface knot
It is the clear inhomogeneous frequency-selective surfaces structure of differentiation in structure 131 and second frequency selection surface texture 132, figure, with difference
Filling pattern fill inhomogeneous frequency-selective surfaces structure.First frequency selection surface texture 131 can pass through first
The frequency-selective surfaces structure of preset frequency electromagnetic wave, second frequency selection surface texture 132 can be through the second predetermined frequency
The frequency-selective surfaces structure of rate electromagnetic wave, wherein the first preset frequency is different from the second preset frequency.Preferably, first frequency
Surface texture 131 is selected to be arranged with second frequency selection surface texture 132 alternate intervals.
There can be conduction to have according to the antenna of the present embodiment, when a feed line source is connected with waveguide 110, in waveguide 110 to come
From the electromagnetic wave of line source, and by gap 120 to external radiation, shape, size and the arrangement side in reasonable design gap 120
Formula, it is possible to achieve the figuration of wave beam.And first frequency selection surface texture 131 can pass through the first preset frequency electromagnetic wave, the
Two frequency-selective surfaces structures 132 can pass through the second preset frequency electromagnetic wave, it is possible to realize the wave beam forming of different frequency,
CTS antennas are enable to be worked simultaneously under the different frequency of same feed line source.
Above antenna is that electromagnetic wave is outwards propagated from line source, waveguide 110, gap 120 and frequency-selective surfaces structure 130
Radiation pattern, it is to be understood that antenna can also be electromagnetic wave from extraneous by frequency-selective surfaces structure 130, gap
120th, the reception mode of line source is arrived in waveguide 110.Preferably, the receives frequency of the first preset frequency respective antenna, described
The tranmitting frequency of two preset frequency respective antennas, then can utilize same line source, make CTS antennas while working in transmitting-receiving frequency
Section, improves efficiency, and greatly reduce the size of antenna.
In above-mentioned the utility model first embodiment, multiple 130 points of frequency-selective surfaces structures are two classes, it is possible to understand that
It is the classification of the other quantities such as according to the actual needs, multiple frequency-selective surfaces structures can also be divided into three classes, four classes.Example
Such as in second embodiment following below, Fig. 3 shows the structure chart of the antenna according to the utility model second embodiment, and antenna includes
Waveguide 210, multiple gaps and multiple frequency-selective surfaces structures 230, each modular construction and connected mode and first embodiment
Roughly the same, and unlike first embodiment, multiple frequency-selective surfaces structures 230 of the antenna are divided into three classes：First frequency
It is clear in rate selection surface texture 231, the second frequency selection frequency-selective surfaces structure 233 of surface texture 232 and the 3rd, figure
Inhomogeneous frequency-selective surfaces structure is distinguished by Chu, and inhomogeneous frequency-selective surfaces structure is filled with different filling patterns.
First frequency selection surface texture 231 can be the frequency-selective surfaces structure through the first preset frequency electromagnetic wave, the second frequency
Rate selection surface texture 232 can be the frequency-selective surfaces structure through the second preset frequency electromagnetic wave, the selection of the 3rd frequency
Surface texture 233 can be the frequency-selective surfaces structure through the 3rd preset frequency electromagnetic wave.It is first preset frequency, second pre-
Determine frequency, the 3rd preset frequency mutually.Preferably, first frequency selection surface texture 231, second frequency selection surface knot
Alternate intervals are arranged successively for structure 232, the 3rd frequency-selective surfaces structure 233.The utility model flexible design is convenient, for design not
The multifrequency antenna of same type is provided may.The principle new according to this practicality, can realize such as multifrequency dual polarization or multifrequency
The multifrequency CTS antennas such as circular polarisation CTS.
According to antenna of the present utility model, the loaded frequency selective surface structure on gap utilizes frequency-selective surfaces knot
The frequency of structure selects principle, allows the electromagnetic wave of preset frequency to pass through or end, and multiple frequency-selective surfaces structures are divided at least two
Class, frequency-selective surfaces structure passes through or ended the electromagnetic wave of different preset frequencies respectively at least described in two classes, makes antenna can be with
The wave beam forming of different frequency is realized, enables the antenna to work simultaneously under the different frequency of same feed.Breach antenna double
The limitation of frequency, improves the utilization rate of feed, can just realize the effect of multifrequency due to only needing to a feed, substantially reduce
The overall dimension of antenna, possibility is provided to design different types of multifrequency antenna.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
According to embodiment of the present utility model as described above, these embodiments do not have all details of detailed descriptionthe,
Also it is only described specific embodiment not limit the utility model.Obviously, as described above, many modifications and change can be made
Change.This specification is chosen and specifically describes these embodiments, be in order to preferably explain principle of the present utility model and it is actual should
With so that skilled artisan can repairing using the utility model and on the basis of the utility model well
Change and use.The utility model is only limited by claims and its four corner and equivalent.
Claims (10)
1. a kind of antenna, it is characterised in that including：
Waveguide；
Multiple gaps, the multiple gap is located in the waveguide, and the multiple gap is used for radiated electromagnetic wave；And
Multiple frequency-selective surfaces structures, the multiple frequency-selective surfaces structure covers the multiple gap, the frequency choosing
The electromagnetic wave that surface texture passes through or ends preset frequency is selected,
Wherein, the multiple frequency-selective surfaces structure is divided at least two classes, frequency-selective surfaces structure point at least described in two classes
The electromagnetic wave of different preset frequencies is not passed through or ended.
2. antenna according to claim 1, it is characterised in that the antenna is Waveguide slot antenna or continuous transverse minor matters
Antenna.
3. antenna according to claim 1, it is characterised in that the waveguide is parallel-plate waveguide, the parallel-plate waveguide
Including relative the first flat board and the second flat board, the multiple gap is located on first flat board.
4. antenna according to claim 3, it is characterised in that the quantity of the multiple frequency-selective surfaces structure with it is described
The quantity in multiple gaps is identical, and the multiple frequency-selective surfaces structure corresponds the multiple gap of covering respectively.
5. antenna according to claim 4, it is characterised in that the multiple gap is strip, the multiple frequency
It is rectangle to select surface texture.
6. antenna according to claim 5, it is characterised in that the multiple gap is parallel to each other, the multiple frequency choosing
Surface texture correspondence is selected to be parallel to each other.
7. antenna according to claim 6, it is characterised in that the multiple equidistant array arrangement in gap, the multiple frequency
The equidistant array arrangement of rate selection surface texture correspondence.
8. antenna according to claim 7, it is characterised in that the multiple frequency-selective surfaces structure is divided into two classes：The
One frequency-selective surfaces structure and second frequency selection surface texture, the first frequency selection surface texture make a reservation for through first
The electromagnetic wave of frequency, second frequency selection surface texture passes through the electromagnetic wave of the second preset frequency, and described the
One preset frequency is different from second preset frequency.
9. antenna according to claim 8, it is characterised in that the first frequency selection surface texture and the described second frequency
Rate selection surface texture alternate intervals arrangement.
10. antenna according to claim 8, it is characterised in that the reception of the first preset frequency correspondence antenna
Frequency, the tranmitting frequency of the second preset frequency correspondence antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475582.XU CN206451832U (en) | 2016-12-29 | 2016-12-29 | Antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475582.XU CN206451832U (en) | 2016-12-29 | 2016-12-29 | Antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206451832U true CN206451832U (en) | 2017-08-29 |
Family
ID=59673798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621475582.XU Expired - Fee Related CN206451832U (en) | 2016-12-29 | 2016-12-29 | Antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206451832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517532A (en) * | 2021-04-06 | 2021-10-19 | 浙江大学 | CTS beam scanning antenna based on multilayer ridge waveguide structure |
-
2016
- 2016-12-29 CN CN201621475582.XU patent/CN206451832U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517532A (en) * | 2021-04-06 | 2021-10-19 | 浙江大学 | CTS beam scanning antenna based on multilayer ridge waveguide structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191017 Address after: 518057 2nd Floor, No. 9 Software Building, Zhongxin Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Co-patentee after: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. Patentee after: Shenzhen Guangqi Hezhong Technology Co., Ltd. Address before: Bantian street Shenzhen city Guangdong province 518000 Jihua Road, the new world Huasai Industrial Area No. 2, building 101 (two floor) 201 Co-patentee before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. Patentee before: SHENZHEN CHAOJI DATA CHAIN TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |