CN205846224U - A kind of tunable multiple frequency antenna - Google Patents
A kind of tunable multiple frequency antenna Download PDFInfo
- Publication number
- CN205846224U CN205846224U CN201620547440.3U CN201620547440U CN205846224U CN 205846224 U CN205846224 U CN 205846224U CN 201620547440 U CN201620547440 U CN 201620547440U CN 205846224 U CN205846224 U CN 205846224U
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- radiation patch
- dielectric constant
- antenna
- medium substrate
- dielectric
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Abstract
The utility model discloses a kind of tunable multiple frequency antenna, including earth plate;Medium substrate, is arranged on described earth plate and includes that the first and second dielectric portion, described first and second dielectric portion are made up of the material with the first dielectric constant and the second dielectric constant respectively;First radiation patch, is arranged on described medium substrate the position corresponding with described first medium portion, thus possesses the first resonance center frequeH;And second radiation patch, it is arranged on described medium substrate the position corresponding with described second medium portion, thus possesses the second resonance center frequeH;Described first dielectric constant is different from described second dielectric constant, the most described first resonance center frequeH is different from described second resonance center frequeH, when the first radiation patch and the second radiation patch work simultaneously, described first radiation patch couples with described second radiation patch, and has the 3rd resonance center frequeH.By selecting different radiation patch to work, antenna is made to work with multiple different frequency adjustably.
Description
Technical field
This utility model relates to antenna technical field, particularly relates to a kind of tunable multiple frequency antenna.
Background technology
Along with the continuous progress of technology, the intelligence degree of the mobile terminals such as mobile phone is more and more higher, and function also gets more and more,
Structure also becomes increasingly complex.Therefore, the requirement to antenna is more and more higher, is mainly reflected in and leaves the space of antenna for increasingly
Little, but but require that the frequency band of antenna is more and more wider to mate the requirement to frequency of the different agreement communication module, such as bluetooth mould
Block, 3G communication module, WiFi module and RFID communication module etc..
Although more existing antennas, by arrange switch select different length antenna or by setting can
Adjust device to realize the adjustable of antenna frequencies, but these schemes can not significantly save the volume of antenna, and can be used for sky
The quantity of the frequency that lineman makees is the most little.
Therefore, there are some defects in the antenna of prior art.
Utility model content
For prior art can not significantly be saved the volume of antenna, and can be used for the quantity of the frequency of Antenna Operation very
Few defect, this utility model provides a kind of tunable multiple frequency antenna.
The technical scheme that this utility model proposes with regard to above-mentioned technical problem is as follows:
On the one hand, it is provided that a kind of tunable multiple frequency antenna, including:
Earth plate;
Medium substrate, is arranged on described earth plate;Described medium substrate includes first medium portion and second medium portion, institute
State the first and second dielectric portion to be made up of the material with the first dielectric constant and the second dielectric constant respectively;
First radiation patch, is arranged on described medium substrate the position corresponding with described first medium portion, thus possesses
First resonance center frequeH;
Second radiation patch, is arranged on described medium substrate the position corresponding with described second medium portion, thus possesses
Second resonance center frequeH;
Described first dielectric constant is different from described second dielectric constant, and the most described first resonance center frequeH is with described
Second resonance center frequeH is different, when the first radiation patch and the second radiation patch work simultaneously, and described first radiation patch
Couple with described second radiation patch, and there is the 3rd resonance center frequeH.
Preferably, described medium substrate also includes the 3rd dielectric portion, and described 3rd dielectric portion is by having the 3rd dielectric constant
Material make;Described tunable multiple frequency antenna also includes the 3rd radiation patch, is arranged on described medium substrate and the described 3rd
The position that dielectric portion is corresponding, thus possess the 4th resonance center frequeH;Described 3rd radiation patch can be with the first and/or second spoke
Penetrate paster coupling, thus possess multiple resonance center frequeH.
Preferably, described 3rd dielectric constant is identical with described first dielectric constant or described second dielectric constant.
Preferably, described 3rd dielectric constant is different from described first and second dielectric constants.
Preferably, described first, second, third radiation patch is equivalently-sized.
Preferably, the size of described first, second, third radiation patch is different.
On the other hand, additionally provide a kind of tunable multiple frequency antenna, including:
Earth plate;
Medium substrate, is arranged on described earth plate;Described medium substrate includes at least four dielectric portion, each dielectric portion
It is made up of a kind of material, the material of described at least four dielectric portion at least has two kinds of different dielectric constants;
At least four radiation patch, is separately positioned on described medium substrate the position corresponding with described at least four dielectric portion
Put, so that described tunable multiple frequency antenna has multiple resonance center frequeH.
Preferably, described at least four radiation patch is equivalently-sized.
Preferably, the size of described at least four radiation patch is different.
Implement this utility model embodiment, have the advantages that by arranging multiple tool on a medium substrate
There is the dielectric portion of differing dielectric constant, so that have different resonance center frequeHs when each radiation patch works independently,
When any two therein and the work of above radiation patch, multiple coupled resonance frequency can be formed again, be thus greatly increased
The quantity of operating frequency of antenna in unit are.The tunable multiple frequency antenna of the application is with the radiation patch of finite number, significantly
Increase the resonant frequency quantity of antenna, make antenna can cover from low frequency to intermediate frequency again to each frequency range of high frequency.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
It is only embodiments more of the present utility model, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the first embodiment tunable multiple frequency antenna structure view that this utility model provides;
Fig. 2 is the top view of the antenna shown in Fig. 1;
Fig. 3 is the second embodiment tunable multiple frequency antenna structure view that this utility model provides;
Fig. 4 is the top view of the antenna shown in Fig. 2;
Fig. 5 is the 3rd embodiment tunable multiple frequency antenna structure view that this utility model provides;
Fig. 6 is the top view of the antenna shown in Fig. 5;
Fig. 7 is the 4th embodiment tunable multiple frequency antenna structure view that this utility model provides;
Fig. 8 is the top view of the antenna shown in Fig. 7.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the premise of creative work
Lower obtained every other embodiment, broadly falls into the scope of this utility model protection.
Embodiment one
Present embodiments providing a kind of tunable multiple frequency antenna, see Fig. 1~2, this tunable multiple frequency antenna 100 includes: ground connection
Plate 11, medium substrate the 12, first radiation patch 131 and the second radiation patch 132.Earth plate 11 is conductive material, is connected to the ground,
Usually copper coin or tinfoil paper.Medium substrate 12 is arranged on earth plate 11.Medium substrate 12 includes first medium portion 121 and second
Dielectric portion 122, the first and second dielectric portion are respectively by having the first DIELECTRIC CONSTANT ε11With the second DIELECTRIC CONSTANT ε12Material system
Become.First radiation patch 131 is arranged on position corresponding with first medium portion 121 on medium substrate 12, thus it is humorous to possess first
Center of percussion frequency of heart f11.Second radiation patch 132 is arranged on position corresponding with second medium portion 122 on medium substrate 12, thus
Possesses the second resonance center frequeH f12。
Due to the first DIELECTRIC CONSTANT ε11With described second DIELECTRIC CONSTANT ε12Difference, therefore the first resonance center frequeH f11With
Second resonance center frequeH f12Different.When the first radiation patch 131 or the second radiation patch 132 work independently, the frequency of antenna
Rate is respectively f11Or f12.When the first radiation patch 131 and the second radiation patch 132 work simultaneously, the first radiation patch 131
Coupling with the second radiation patch 132, therefore antenna has the 3rd resonance center frequeH f13。
Typically for a radiation patch, when it works independently, inherently can have at least one low-frequency resonant center
Frequency and at least one high-frequency resonant mid frequency.It is to say, the first resonance center frequeH f11And second resonance center frequeH
f12Itself may also include multiple resonance center frequeH.So when the first radiation patch 131 couples with the second radiation patch 132,
The coupled resonance frequency produced is the most more.For example, as the first resonance center frequeH f11With the second resonance center frequeH f12All
During including a low-frequency resonant mid frequency and a high-frequency resonant mid frequency, then when the first radiation patch 131 and second
When radiation patch 132 couples, it is possible to produce 4 new coupled resonance frequencies.
The application is by arranging two dielectric portion with differing dielectric constant on medium substrate, and makes each radiation
There is when paster works independently different resonance center frequeHs, during two radiation patch work, multiple coupling can be formed again humorous
Vibration frequency, thus considerably increases the quantity of operating frequency of antenna in unit are.The tunable multiple frequency antenna of the application is to have
The radiation patch of limit number, is greatly increased the resonant frequency quantity of antenna, makes antenna can cover from low frequency to intermediate frequency again to high frequency
Each frequency range.
Embodiment two
Present embodiments providing another kind of tunable multiple frequency antenna, as shown in Figures 3 and 4, this tunable multiple frequency antenna 200 includes:
Earth plate 21, medium substrate the 22, first radiation patch the 231, second radiation patch 232 and the 3rd radiation patch 233.Earth plate 21
For conductive material, it is connected to the ground, usually copper coin or tinfoil paper.Medium substrate 22 is arranged on earth plate 21.Medium substrate 22 wraps
Including first medium portion 221, second medium portion 222 and the 3rd dielectric portion 223, first, second, and third dielectric portion is respectively by having
First DIELECTRIC CONSTANT ε21, the second DIELECTRIC CONSTANT ε22With the 3rd DIELECTRIC CONSTANT ε23Material make.First radiation patch 231 is arranged
Position corresponding with first medium portion 221 on medium substrate 22, thus possess resonance center frequeH f21.Second radiation patch
232 are arranged on position corresponding with second medium portion 222 on medium substrate 22, thus possess resonance center frequeH f22.3rd spoke
Penetrate paster 233 and be arranged on position corresponding with the 3rd dielectric portion 223 on medium substrate 22, thus possess mid frequency f23。
Due to the first DIELECTRIC CONSTANT ε21With described second DIELECTRIC CONSTANT ε22Difference, therefore resonance center frequeH f21With resonance
Mid frequency f22Different.When the first radiation patch 231 or the second radiation patch 232 work independently, the mid frequency of antenna divides
Wei f21Or f22.When the first radiation patch 231 and the second radiation patch 232 work simultaneously, the first radiation patch 231 and
Two radiation patch 232 couple, and therefore antenna has resonance center frequeH f23。
Typically for a radiation patch, when it works independently, inherently can have at least one low-frequency resonant center
Frequency and at least one high-frequency resonant mid frequency.It is to say, the first resonance center frequeH f11And second resonance center frequeH
f12Itself may also include multiple resonance center frequeH.So when the first radiation patch 131 couples with the second radiation patch 132,
The coupled resonance frequency produced is the most more.For example, as the first resonance center frequeH f11With the second resonance center frequeH f12All
During including a low-frequency resonant mid frequency and a high-frequency resonant mid frequency, then when the first radiation patch 131 and second
When radiation patch 132 couples, it is possible to produce 4 new coupled resonance frequencies.
In preferred embodiment of the present utility model, the 3rd DIELECTRIC CONSTANT ε23With the first DIELECTRIC CONSTANT ε21With the second dielectric
Constant ε21The most different.Therefore, it can by allowing any one work in first, second, and third radiation patch obtain three
Resonance center frequeH, it is also possible to by allowing any two work in first, second, and third radiation patch obtain other three
Individual resonance center frequeH, it is also possible to obtain another one resonance by allowing first, second, and third radiation patch work simultaneously
Mid frequency.Therefore, when the dielectric portion in medium substrate increases to three, it is possible to greatly increase the adjustable working of antenna
Frequency.
Certainly, in other embodiments that this utility model provides, the 3rd dielectric constant also can be with the first or second dielectric
Constant is identical.So, although sacrifice some frequency bands, but the manufacturing process of antenna can be simplified and reduce cost.
Further, as in figure 2 it is shown, the first and second radiation patch equivalently-sized.Certainly, first, second, and third
The size of radiation patch can be identical.Identical size can simplify manufacturing process and correspondingly reduce manufacturing cost.
Further, as shown in Figure 4, the size of first, second, and third radiation patch can also be different, such antenna
Area can be obtained by sufficiently utilizing, and makes the radiation patch quantity in unit are maximize, and then makes the frequency of unit are
Band number maximizes.
Embodiment three
Present embodiments provide the tunable multiple frequency antenna of another kind of structure, as seen in figs. 5-6, this tunable multiple frequency antenna 300
Including: earth plate 31, medium substrate the 32, first radiation patch the 331, second radiation patch the 332, the 3rd radiation patch 333 and
4th radiation patch 334.Earth plate 31 is conductive material, is connected to the ground, usually copper coin or tinfoil paper.Medium substrate 32 is arranged on
On earth plate 31.Medium substrate 32 includes first medium portion 321, second medium portion the 322, the 3rd dielectric portion 323 and the 4th medium
Portion 324, first, second, third and fourth dielectric portion is respectively by having the first DIELECTRIC CONSTANT ε31, the second DIELECTRIC CONSTANT ε32, the 3rd
DIELECTRIC CONSTANT ε33With the 4th DIELECTRIC CONSTANT ε34Material make.First radiation patch 331 is arranged on medium substrate 32 and
The position of one dielectric portion 321 correspondence, thus possess resonance center frequeH f31.Second radiation patch 332 is arranged on medium substrate 32
The upper position corresponding with second medium portion 322, thus possess resonance center frequeH f32.3rd radiation patch 333 is arranged on medium
Position corresponding with the 3rd dielectric portion 323 on substrate 32, thus possess mid frequency f33.4th radiation patch 334 is arranged on Jie
Position corresponding with the 4th dielectric portion 324 on matter substrate 32, thus possess mid frequency f34。
Aforementioned four DIELECTRIC CONSTANT ε31、ε32、ε33、ε34At least there are two kinds of different dielectric constants.Carry at this utility model
In the preferred embodiment of confession, aforementioned four DIELECTRIC CONSTANT ε31、ε32、ε33、ε34Different.Therefore by making aforementioned four radiate
Any one in paster works independently, and antenna at least can obtain two kinds of different resonant frequencies.By making aforementioned four spoke
Penetrating any two work in paster, antenna at least can have other two kinds of different resonance center frequeHs.Above-mentioned by making
Any three work in four radiation patch, antenna at least can have other two kinds of different resonance center frequeHs again.Logical
Crossing and make aforementioned four radiation patch work simultaneously, antenna can also have another one resonance center frequeH.Therefore, by selecting
The radiation patch work of varying number, can regulate the resonant frequency of antenna, and can obtain multiple different resonance center
Frequency.So, the working band of antenna is the most, can meet the actual application requirement to frequency band.
Further, as shown in Figure 6, the size of first, second, third and fourth radiation patch can be different.So sky
The area of line can be obtained by sufficiently utilizing, and makes the radiation patch quantity in unit are maximize, and then makes unit are
Frequency band number maximize.
Embodiment four
Present embodiments providing another kind of tunable multiple frequency antenna, with reference to Fig. 7 and 8, this tunable multiple frequency antenna 400 includes: connect
Floor 41, medium substrate the 42, first radiation patch the 431, second radiation patch the 432, the 3rd radiation patch the 433, the 4th radiation patch
Sheet 434 and the 5th radiation patch 435.Earth plate 41 is conductive material, is connected to the ground, usually copper coin or tinfoil paper.Medium base
Plate 42 is arranged on earth plate 41.Medium substrate 42 include first medium portion 421, second medium portion the 422, the 3rd dielectric portion 423,
4th dielectric portion 424 and the 5th dielectric portion 425, first, second, third, fourth and fifth dielectric portion is respectively by having first
DIELECTRIC CONSTANT ε41, the second DIELECTRIC CONSTANT ε42, the 3rd DIELECTRIC CONSTANT ε43, the 4th DIELECTRIC CONSTANT ε44With the 5th DIELECTRIC CONSTANT ε45Material
Material is made.First radiation patch 431 is arranged on position corresponding with first medium portion 421 on medium substrate 42, thus possesses humorous
Center of percussion frequency of heart f41.Second radiation patch 432 is arranged on position corresponding with second medium portion 422 on medium substrate 42, thus
Possesses resonance center frequeH f42.3rd radiation patch 433 is arranged on position corresponding with the 3rd dielectric portion 423 on medium substrate 42
Put, thus possess mid frequency f43.4th radiation patch 434 is arranged on medium substrate 42 corresponding with the 4th dielectric portion 424
Position, thus possess mid frequency f44.5th radiation patch 435 is arranged on medium substrate 42 corresponding with the 4th dielectric portion 425
Position, thus possess mid frequency f45。
Above-mentioned five DIELECTRIC CONSTANT ε31、ε32、ε33、ε34、ε35At least there are two kinds of different dielectric constants.New in this practicality
In the preferred embodiment that type provides, above-mentioned five DIELECTRIC CONSTANT ε31、ε32、ε33、ε34、ε35Different.Therefore above-mentioned by making
Any one in five radiation patch works independently, and antenna at least can obtain two kinds of different resonant frequencies.On making
Stating any two work in four radiation patch, antenna at least can have other two kinds of different resonance center frequeHs.Logical
Crossing any three work made in aforementioned four radiation patch, antenna at least can have other two kinds of different resonance centers again
Frequency.By making aforementioned four radiation patch work simultaneously, antenna can also have another one resonance center frequeH.Therefore,
Worked by the radiation patch selecting varying number, the resonant frequency of antenna can be regulated, and can obtain multiple different
Resonance center frequeH.So, the working band of antenna is the most, can meet the actual application requirement to frequency band.
Further, as shown in Figure 8, the size of first, second, third, fourth and fifth radiation patch can be identical.Phase
Same size can simplify manufacturing process and correspondingly reduce manufacturing cost.
Above disclosed only this utility model one preferred embodiment, can not limit this practicality with this certainly
Novel interest field, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and depends on
The equivalent variations that this utility model claim is made, still falls within the scope that utility model is contained.
Claims (9)
1. a tunable multiple frequency antenna, it is characterised in that including:
Earth plate;
Medium substrate, is arranged on described earth plate;Described medium substrate includes first medium portion and second medium portion, described
One and second medium portion be made up of the material with the first dielectric constant and the second dielectric constant respectively;
First radiation patch, is arranged on described medium substrate the position corresponding with described first medium portion, thus possesses first
Resonance center frequeH;
Second radiation patch, is arranged on described medium substrate the position corresponding with described second medium portion, thus possesses second
Resonance center frequeH;
Described first dielectric constant is different from described second dielectric constant, the most described first resonance center frequeH and described second
Resonance center frequeH is different, when the first radiation patch and the second radiation patch work simultaneously, and described first radiation patch and institute
State the second radiation patch coupling, and there is the 3rd resonance center frequeH.
Tunable multiple frequency antenna the most according to claim 1, it is characterised in that described medium substrate also includes the 3rd medium
Portion, described 3rd dielectric portion is made up of the material with the 3rd dielectric constant;Described tunable multiple frequency antenna also includes the 3rd radiation
Paster, is arranged on described medium substrate the position corresponding with described 3rd dielectric portion, thus possesses the 4th resonance center frequeH;
Described 3rd radiation patch can couple with the first and/or second radiation patch, thus possesses multiple resonance center frequeH.
Tunable multiple frequency antenna the most according to claim 2, it is characterised in that described 3rd dielectric constant is situated between with described first
Electric constant or described second dielectric constant are identical.
Tunable multiple frequency antenna the most according to claim 2, it is characterised in that described 3rd dielectric constant with described first and
Second dielectric constant is different.
Tunable multiple frequency antenna the most according to claim 2, it is characterised in that described first, second, third radiation patch
Equivalently-sized.
Tunable multiple frequency antenna the most according to claim 2, it is characterised in that described first, second, third radiation patch
Size is different.
7. a tunable multiple frequency antenna, it is characterised in that including:
Earth plate;
Medium substrate, is arranged on described earth plate;Described medium substrate includes at least four dielectric portion, each dielectric portion by
A kind of material is made, and at least has two kinds of different dielectric constants in the material of described at least four dielectric portion;
At least four radiation patch, is separately positioned on described medium substrate the position corresponding with described at least four dielectric portion,
So that described tunable multiple frequency antenna has multiple resonance center frequeH.
Tunable multiple frequency antenna the most according to claim 7, it is characterised in that the size phase of described at least four radiation patch
With.
Tunable multiple frequency antenna the most according to claim 7, it is characterised in that the size of described at least four radiation patch is not
With.
Priority Applications (1)
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CN201620547440.3U CN205846224U (en) | 2016-06-07 | 2016-06-07 | A kind of tunable multiple frequency antenna |
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CN201620547440.3U CN205846224U (en) | 2016-06-07 | 2016-06-07 | A kind of tunable multiple frequency antenna |
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CN201620547440.3U Withdrawn - After Issue CN205846224U (en) | 2016-06-07 | 2016-06-07 | A kind of tunable multiple frequency antenna |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105914458A (en) * | 2016-06-07 | 2016-08-31 | 武汉芯泰科技有限公司 | Adjustable multifrequency antenna |
CN109066098A (en) * | 2018-08-06 | 2018-12-21 | 南京邮电大学 | A kind of wave absorbing device based on gravitational field regulation |
JP2022544107A (en) * | 2019-08-07 | 2022-10-17 | レイセオン カンパニー | Phased array antenna with reduced edge effect |
-
2016
- 2016-06-07 CN CN201620547440.3U patent/CN205846224U/en not_active Withdrawn - After Issue
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105914458A (en) * | 2016-06-07 | 2016-08-31 | 武汉芯泰科技有限公司 | Adjustable multifrequency antenna |
CN105914458B (en) * | 2016-06-07 | 2018-11-20 | 武汉芯泰科技有限公司 | A kind of tunable multiple frequency antenna |
CN109066098A (en) * | 2018-08-06 | 2018-12-21 | 南京邮电大学 | A kind of wave absorbing device based on gravitational field regulation |
JP2022544107A (en) * | 2019-08-07 | 2022-10-17 | レイセオン カンパニー | Phased array antenna with reduced edge effect |
JP7297144B2 (en) | 2019-08-07 | 2023-06-23 | レイセオン カンパニー | Phased array antenna with reduced edge effect |
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