CN208368728U - A kind of low-and high-frequency antenna assembly - Google Patents
A kind of low-and high-frequency antenna assembly Download PDFInfo
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- CN208368728U CN208368728U CN201820690348.1U CN201820690348U CN208368728U CN 208368728 U CN208368728 U CN 208368728U CN 201820690348 U CN201820690348 U CN 201820690348U CN 208368728 U CN208368728 U CN 208368728U
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Abstract
The utility model provides a kind of low-and high-frequency antenna assembly, it include: the first metal layer, second metal layer, ground plane, medium substrate between metal layer and between metal layer and earth plate, it is characterized in that, metamaterial layer is provided between the first metal layer and second metal layer, the utility model solves the stacking more formidable high gain of antenna tradition preparation method, interfere small and contradictory problems small in size, by the way that antenna cabling and coupling isolated location is flexibly cleverly arranged, realize extraordinary frequency band isolation characteristic, metamaterial unit is set between two antenna metal layers, pass through the special transport properties of Meta Materials, it further decreases antenna manufactured size and promotes the isolation between low-and high-frequency.
Description
Technical field
The utility model belongs to communication antenna field, more specifically, being related to a kind of low-and high-frequency antenna of smart machine
Device.
Background technique
With the fast development of wireless telecommunications, in wireless telecommunications can only be in device product, antenna role is more
It is important.Now, since running gear has become for people's indispensable article in life, communication industry has also been driven
It flourishes, also because of that, all kinds of small and exquisite antennas are developed, and are widely used in a variety of different action
In device, for example, planar inverted F-antenna, unipole antenna, three-dimensional antenna etc..However, the antenna of above-mentioned known technology but has perhaps
Make us the disadvantage of dirty disease more.
For example, the structure of planar inverted F-antenna is complex, and since planar inverted F-antenna is to belong to stereoscopic antenna,
Additional die cost and assembling cost leads to its higher cost, and commercially cost is excessively high, and commercial competitiveness can drop therewith
It is low.And three-dimensional antenna should not be placed into the mobile device to become smaller increasingly since volume is excessive, if three-dimensional antenna reduces by force
Volume is miniaturized to realize, be easy to cause the decline of antenna performance again.Especially in low-and high-frequency field, lesser volume is often made
Guarantee that harassing between different frequency range always perplexs people's at the coupled interference between frequency range, while how taking into account micromation
Problem.
Therefore, how to propose a kind of low-and high-frequency, can be effectively improved previous antenna structure is complicated, higher cost, every
The problem bad from performance, has become very urgent.
Utility model content
The purpose of this utility model is to provide a kind of low-and high-frequency devices of special construction, ask for solving above-mentioned technology
Topic has shorter antenna shapes structure, is realized by the setting of reasonable flexible antenna cabling and special metamaterial layer
It ensure that the isolation effect between different frequency range while multifrequency.
The utility model proposes a kind of low-and high-frequency devices thus, comprising: the first metal layer, second metal layer, ground plane, position
Medium substrate between metal layer and between metal layer and earth plate, which is characterized in that in the first metal layer and the second gold medal
Belong to and is provided with metamaterial layer between layer；
The distribution of each layer of antenna assembly is respectively as follows: the first metal layer, first medium substrate, metamaterial layer, second medium base
Plate, second metal layer, third medium substrate, earth plate；
The first metal layer and the second metal layer are all correspondingly arranged on feed connection point；
The first metal layer work is among a regular hexagon in two high-frequency bands, the antenna structure of the first metal layer
Regular hexagon gap, the slit width is arranged between two radiation fins in the annular regular hexagon metal frame radiation fin of radiation fin peripheral hardware one
Spend of same size with annular regular hexagon metal frame radiation fin, the first feed connection point radiation among the regular hexagon
On piece；
The second metal layer can work in two low frequency bands；First low-frequency range is a bending shaped form structure cabling,
Second low-frequency range is a comb-type structure cabling.
Preferably, feed connection sheet is provided in second metal layer, the feed connection sheet shares three pieces, sets on intermediate mass
It is equipped with the second feed connection point, the feed connection sheet of two sides connects centre feed connection sheet by adjustable reactance original part；It is intermediate
The not direct low-frequency antenna cabling in second metal layer of feed connection sheet be connected, the feed connection sheet of two sides respectively with it is low
The docking of frequency cabling, side connect the first low frequency cabling, and the other side connects second, third low frequency cabling.
Preferably, artificial micro-structure is provided in the metamaterial layer, the artificial micro-structure aligned transfer is in medium base
On plate, the cellular construction shape of the artificial micro-structure is identical, but the size of different location setting artificial micro-structure unit is different.
Preferably, the artificial micro-structure cellular construction is a regular hexagon outline border, is arranged one at the center of regular hexagon
Annulus, the annulus connect each fixed point of regular hexagon by metal wire.
The utility model has the following beneficial effects: it is small to solve the more formidable high gain of stacking antenna tradition preparation method, interference
Extraordinary frequency is realized by the way that antenna cabling and coupling isolated location is flexibly cleverly arranged with contradictory problems small in size
Band isolation characteristic, is arranged metamaterial unit between two antenna metal layers, by the special transport properties of Meta Materials, further drops
Low antenna manufactured size simultaneously promotes the isolation between low-and high-frequency.
Detailed description of the invention
Fig. 1 is the side view of the utility model antenna structure.
Fig. 2 is the top view of the utility model antenna structure.
Fig. 3 is the low frequency part Wiring structure of the utility model antenna structure.
Fig. 4 is the utility model antenna structure metamaterial layer.
Fig. 5 is the man-made microstructure of the utility model antenna structure metamaterial layer.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.
It should be noted that diagram provided in the present embodiment only illustrates the basic structure of the utility model in a schematic way
Think, thus only show in schema with related component in the utility model rather than component count when according to actual implementation, shape
And size is drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout
Kenel may also be increasingly complex.
As shown in Figure 1, a kind of low-and high-frequency device 1, comprising: the first metal layer 10, second metal layer 20, ground plane 40, position
Medium substrate 2/3/4 between metal layer and between metal layer and earth plate, which is characterized in that in the first metal layer and
Metamaterial layer 30 is provided between two metal layers；The distribution of each layer of antenna assembly 1 is respectively as follows: the first metal layer 10, first medium
Substrate 2, metamaterial layer 30, second medium substrate 3, second metal layer 20, third medium substrate 4, earth plate 40；First gold medal
Belong to layer 10 and the second metal layer 20 is all correspondingly arranged on feed connection point 5/6.
In traditional preparation method, electromagnetic radiation generally is carried out using single layer paster antenna, first is that considering medium substrate and earth plate
Between dimensional thickness it is limited, be in radiation frequency bandwidth the considerations of, if setting two-layer laminate, be very likely to cause frequency range band
Wide loss, being in addition in the radiation patch of middle layer its radiance can be led between top layer and bottom metal layer due to folder control
Serious lowization of radiation efficiency is caused, especially in high band or multiband, the loss characteristic of performance be will become apparent from.General skill
Art personnel can have to take the second best, reduce metal layer on multiband aerial setting, by reduce frequency range cabling realize double frequency or
Most three frequency ranges are provided to preferably reduce size and obtain good antenna gain and directionality.
It is also preferred that top layer is arranged in high band in the application, high band is compared to low-frequency range, in this case
The interference being subject to can be more serious, and return loss can obviously be promoted, and based on this, high band is arranged in top layer priority service, ginseng for we
See attached drawing 2, in the first metal layer 10 work in two high-frequency bands, the antenna structure of the first metal layer is a regular hexagon
Regular hexagon gap 13 is arranged between two radiation fins in the annular regular hexagon metal frame radiation fin 12 of intermediate 11 peripheral hardware of radiation fin one,
The gap width is of same size with annular regular hexagon metal frame radiation fin, to certain between different high frequencies to be obtained
Isolation, the first high frequency motivate intermediate radiation fin 11 directly to generate by feeding point 5, and the second high frequency is via the coupling indirect coupling in gap 13
It closes excitation metal frame radiation fin 12 to generate, the first feed connection point 5 is located at radiation fin 11 among the regular hexagon and deviates center
Point on.
Referring to attached drawing 3, the second metal layer 20 can work in three low frequency bands；First low-frequency range is a bending curve
Type cabling 24, the second low-frequency range are a comb-type structure cabling 23.
Feed connection sheet 21 is provided in second metal layer 20, the feed connection sheet shares three pieces, is arranged on intermediate mass
There is the second feed connection point 6, the feed connection sheet 21 of two sides connects centre feed connection sheet, electricity by adjustable reactance original part 25
The setting of anti-element 25 more can flexibly control the Frequency Band Selection of antenna, although the diversity of currently used frequency range is very rich
Richness, however work while different frequency range, such as inessential, majority can have energy consumption, especially consider current intelligent movable
The case where equipment etc. is consumed is very serious, if it is possible to reasonable energy conservation, it will greatly promote usage experience, this is to set
One of the reason of adjusting reactance is set, the coupled interference between low-frequency range is in addition also allowed for, although compared with the coupling between low-frequency range
Interference is complicated not as good as high frequency, however the gain of low frequency and directionality often show generally in actual use, if it is possible to
Just carry out effective and reasonable processing in transmitting source, then it is of great advantage to the working performance promotion in later period, pass through and adjusts inductance
Connection, the physics electrical length of adjustable feed connection sheet, effectively promotes the emission source coupled interference between low-frequency range；Intermediate
Feed the not direct low-frequency antenna cabling in second metal layer of connection sheet 21 be connected, the feed connection sheet 21 of two sides respectively with
The docking of low frequency cabling, side connect the first low frequency cabling 24, and the other side connects the second low frequency cabling 23.When Antenna Operation, it is elected to
When selecting while connecting two reactance elements, low-frequency antenna is simultaneously operable in two low frequency bands, and the coupling of two low frequencies
Isolation performance is superior.25 use of reactance component in this case is considered in low-frequency antenna, and the selection of reactance component 25 is usually
Inductance element, however if the frequency range demand for adjusting antenna changes, adjusting reactance characteristic herein is according to whole system
Change is also adjusted in transformation therewith, and capacitive or perception do not do necessary restriction.
In addition, Meta Materials are a kind of novel artificial materials to electromagnetic wave modulating action to grow up nearly ten years,
Basic principle is the micro-structure (or artificial atom) of artificial designing material, and such micro-structure is allowed to have specific electromagnetism special
Property, so that the material being made of the micro-structure of magnanimity number can macroscopically have desirable function solenoid.With traditional material
The traditional material technology that material technology develops electromagnetism utilization ways according to having the natural property of material in nature is different, super material
Material technology is to come the property and manufacture material of artificial designing material as needed.Meta Materials are usually by a certain number of artificial micro-
Structure be attached to certain mechanics, electromagnetism substrate on, these micro-structures with specific pattern and material can to pass through its
The electromagnetic wave of the special frequency channel of body generates modulating action.In recent years, Meta Materials achieve gratifying change in each communications applications field
Change and apply, the volumetric bulk of the special electromagnetic characteristic of Meta Materials and its more Boping is all very suitable to for improving day knot
Structure.
Preferably, preferred in the application, the metamaterial structure layer is arranged between double layer of metal radiating layer, referring to
In attached drawing 4, artificial micro-structure 31 is provided in the metamaterial layer 30, the artificial micro-structure aligned transfer is in medium substrate
On, the cellular construction shape of the artificial micro-structure is identical, and preferably metamaterial structure unit can be two rows of around the setting of substrate frame,
According to the artificial micro-structure unit size of the Frequency Band Selection reasonable size of actual antennas work, two rows of artificial micro-structures only ruler
Very little inconsistent, purpose is adjusting the different refractivity of Electromgnetically-transparent with by the way that artificial micro-structure size is arranged.
Preferably it is less than first row using the size of second row artificial micro-structure in this case, so that through metamaterial layer
Afterwards, become since the refractive index of two rows of (also can according to need to adjust in practical operation and enhance deviation angle using multiple rows of) is incremented by
Change so that the shooting angle of electromagnetic wave shifts, largely reduce the electric signal between lower metal layer harass with
And unnecessary metal depletion, it enables to the size even if antenna integrally less than normal however can still be maintained good independent special
Property.
By the way that metamaterial layer 30 is arranged so that conventional bandwidth characteristic, or even when obtaining more preferably bandwidth characteristic, realize compared with
Small antenna height.It preferably shows, lesser thickness can be used in the medium substrate 2 of antenna and medium substrate 3 in the application
Size is spent, antenna substrate 4 remains original size, the thickness of medium substrate 2 and medium substrate 3 and is equal to medium in the application
4 thickness of substrate, and it is well known that the dimensional thickness of Meta Materials artificial micro-structure is extremely low, if minded very much, still may be used
By by being arranged metamaterial unit in a manner of embedded, so can by the dimensional thickness of the half that reduces substrate or so, but still
The good characteristic of original radiating element can so be maintained.Preferably, what the antenna overall dimensions in this case improved is reduced
To 15mm*15mm*4mm.
Attached drawing 5 is as it can be seen that artificial micro-structure cellular construction 31 described in this case has a regular hexagon outline border 312, regular hexagon
Center at be arranged an annulus 313, the annulus by metal wire 311 connect regular hexagon each fixed point.The side of regular hexagon
It grows and is set as r, the angulation of metal wire 311 and regular hexagon (being also possible to non-six side regular polygon if needed) are α.
The structure make antenna electromagnetic wave by when the projection that is scattered or reflected so that Antenna Operation is low
It can also overcome when frequency range and harass since antenna volume reduces between bring frequency range, improve radiance；After tested, the antenna work
Make in two low frequencies: 1.5GHz, 2.51GHz, antenna not only have preferable reflection coefficient S11, and in three frequency ranges
Coefficient of coup S21 be all reduced to -22dB, achieve good coupling isolation；Equally two high frequency positions, 3.45GHz with
And 5.02GHz, equally there is preferable coupling isolation effect.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (4)
1. a kind of low-and high-frequency antenna assembly, comprising: the first metal layer, second metal layer, ground plane, between metal layer and
Medium substrate between metal layer and earth plate, which is characterized in that be provided between the first metal layer and second metal layer super
Material layer；
The distribution of each layer of antenna assembly is respectively as follows: the first metal layer, first medium substrate, metamaterial layer, second medium substrate,
Two metal layers, third medium substrate, earth plate；
The first metal layer and the second metal layer are all correspondingly arranged on feed connection point；
In two high-frequency bands, the antenna structure of the first metal layer is radiation among a regular hexagon for the first metal layer work
The annular regular hexagon metal frame radiation fin of piece peripheral hardware one, is arranged regular hexagon gap between two radiation fins, the gap width with
Of same size, the first feed connection point radiation fin among the regular hexagon of annular regular hexagon metal frame radiation fin
On；
The second metal layer can work in two low frequency bands；First low-frequency range be one bending shaped form structure cabling, second
Low-frequency range is a comb-type structure cabling.
2. low-and high-frequency antenna assembly as described in claim 1, which is characterized in that be provided with feed connection in second metal layer
Piece, the feed connection sheet share three pieces, the second feed connection point are provided on intermediate mass, the feed connection sheet of two sides passes through can
It adjusts reactance elements and connects centre feed connection sheet；The not direct low-frequency antenna in second metal layer of intermediate feed connection sheet
Cabling is connected, and the feed connection sheet of two sides is docked with low frequency cabling respectively, and side connects the first low frequency cabling, other side connection
Second low frequency cabling.
3. low-and high-frequency antenna assembly as described in claim 1, which is characterized in that be provided with artificial micro- knot in the metamaterial layer
Structure, for the artificial micro-structure aligned transfer on medium substrate, the cellular construction shape of the artificial micro-structure is identical, but different
The size that artificial micro-structure unit is arranged in position is different.
4. low-and high-frequency antenna assembly as claimed in claim 3, which is characterized in that the artificial micro-structure cellular construction is one just
An annulus, each fixed point which passes through metal wire connection regular hexagon are arranged at the center of regular hexagon for hexagon outline border.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820690348.1U CN208368728U (en) | 2018-05-09 | 2018-05-09 | A kind of low-and high-frequency antenna assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820690348.1U CN208368728U (en) | 2018-05-09 | 2018-05-09 | A kind of low-and high-frequency antenna assembly |
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| Publication Number | Publication Date |
|---|---|
| CN208368728U true CN208368728U (en) | 2019-01-11 |
Family
ID=64934033
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820690348.1U Expired - Fee Related CN208368728U (en) | 2018-05-09 | 2018-05-09 | A kind of low-and high-frequency antenna assembly |
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| CN (1) | CN208368728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736449A (en) * | 2021-03-30 | 2021-04-30 | 成都天锐星通科技有限公司 | Dual-frequency common-aperture antenna structure and antenna array surface |
| CN112798830A (en) * | 2021-03-18 | 2021-05-14 | 深圳大学 | Switching device suitable for multi-antenna test and use method thereof |
-
2018
- 2018-05-09 CN CN201820690348.1U patent/CN208368728U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798830A (en) * | 2021-03-18 | 2021-05-14 | 深圳大学 | Switching device suitable for multi-antenna test and use method thereof |
| CN112736449A (en) * | 2021-03-30 | 2021-04-30 | 成都天锐星通科技有限公司 | Dual-frequency common-aperture antenna structure and antenna array surface |
| CN112736449B (en) * | 2021-03-30 | 2021-07-06 | 成都天锐星通科技有限公司 | Dual-frequency common-aperture antenna structure and antenna array surface |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20200509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |