CN105914458B - A kind of tunable multiple frequency antenna - Google Patents
A kind of tunable multiple frequency antenna Download PDFInfo
- Publication number
- CN105914458B CN105914458B CN201610404664.3A CN201610404664A CN105914458B CN 105914458 B CN105914458 B CN 105914458B CN 201610404664 A CN201610404664 A CN 201610404664A CN 105914458 B CN105914458 B CN 105914458B
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- radiation patch
- frequency
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- dielectric constant
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of tunable multiple frequency antennas, including earth plate；Medium substrate, is set on the earth plate and including the first and second dielectric portion, and first and second dielectric portion is made of the material with the first dielectric constant and the second dielectric constant respectively；Position corresponding with the first medium portion is arranged on the medium substrate, to have the first resonance center frequeH in first radiation patch；And second radiation patch, position corresponding with the second medium portion is set on the medium substrate, to have second central frequency；First dielectric constant is different from second dielectric constant, therefore first resonance center frequeH is different from second resonance center frequeH, when the first radiation patch and the second radiation patch work at the same time, first radiation patch is coupled with second radiation patch, and has third resonance center frequeH.By selecting different radiation patch work, antenna is adjustably made to work with a variety of different frequencies.
Description
Technical field
The present invention relates to antenna technical field more particularly to a kind of tunable multiple frequency antennas.
Background technique
With the continuous progress of technology, the intelligence degree of the mobile terminals such as mobile phone is higher and higher, and function is also more and more,
Structure also becomes increasingly complex.Therefore, also higher and higher to the requirement of antenna, it is mainly reflected in and leaves the space of antenna for increasingly
It is small, but require the frequency band of antenna more and more wider to match requirement of the different agreement communication module to frequency, such as bluetooth mould
Block, 3G communication module, WiFi module and RFID communication module etc..
Although at present existing some antennas, by setting switch come select different length antenna or by setting can
Device is adjusted to realize the adjustable of antenna frequencies, but these schemes can not significantly save the volume of antenna, and can be used for day
The quantity of the frequency of line work is also seldom.
Therefore, there are some defects for the antenna of the prior art.
Summary of the invention
For cannot significantly save the volume of antenna in the prior art, and can be used for Antenna Operation frequency quantity very
Few defect, the present invention provide a kind of tunable multiple frequency antenna.
The technical solution that the present invention is proposed with regard to above-mentioned technical problem is as follows：
On the one hand, a kind of tunable multiple frequency antenna is provided, including：
Earth plate；
Medium substrate is set on the earth plate；The medium substrate includes first medium portion and second medium portion, institute
The first and second dielectric portion are stated to be made of the material with the first dielectric constant and the second dielectric constant respectively；
Position corresponding with the first medium portion is arranged on the medium substrate, to have in first radiation patch
First resonance center frequeH；
Position corresponding with the second medium portion is arranged on the medium substrate, to have in second radiation patch
Second central frequency；
First dielectric constant is different from second dielectric constant, thus first resonance center frequeH with it is described
Second resonance center frequeH is different, when the first radiation patch and the second radiation patch work at the same time, first radiation patch
It is coupled with second radiation patch, and there is third resonance center frequeH.
Preferably, the medium substrate further includes third dielectric portion, and the third dielectric portion is by with third dielectric constant
Material be made；The tunable multiple frequency antenna further includes third radiation patch, is arranged on the medium substrate and the third
The corresponding position of dielectric portion, to have the 4th resonance center frequeH；The third radiation patch can be with the first and/or second spoke
Patch coupling is penetrated, to have multiple resonance center frequeHs.
Preferably, the third dielectric constant is identical as first dielectric constant or second dielectric constant.
Preferably, the third dielectric constant is different from first and second dielectric constant.
Preferably, the size of first, second, third radiation patch is identical.
Preferably, the size of first, second, third radiation patch is different.
On the other hand, a kind of tunable multiple frequency antenna is additionally provided, including：
Earth plate；
Medium substrate is set on the earth plate；The medium substrate includes at least four dielectric portion, each dielectric portion
It is made of a kind of material, at least there are two different dielectric constants in the material of at least four dielectric portion；
At least four radiation patch are separately positioned on the medium substrate position corresponding at least four dielectric portion
It sets, to make the tunable multiple frequency antenna that there are multiple resonance center frequeHs.
Preferably, the size of at least four radiation patch is identical.
Preferably, the size of at least four radiation patch is different.
Implement the embodiment of the present invention, has the advantages that：It is multiple with not by being arranged on a medium substrate
With the dielectric portion of dielectric constant, so that with different resonance center frequeHs when each radiation patch works independently, wherein
Any two and above radiation patch when working, and multiple coupled resonance frequencies can be formed, thus considerably increase list
The quantity of the upper operating frequency of antenna of plane product.The tunable multiple frequency antenna of the application is greatly increased with the radiation patch of finite number
The resonance frequency quantity of antenna cover antenna can from low frequency to intermediate frequency again to each frequency range of high frequency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is first embodiment tunable multiple frequency antenna structure view provided by the invention；
Fig. 2 is the top view of antenna shown in FIG. 1；
Fig. 3 is second embodiment tunable multiple frequency antenna structure view provided by the invention；
Fig. 4 is the top view of antenna shown in Fig. 2；
Fig. 5 is 3rd embodiment tunable multiple frequency antenna structure view provided by the invention；
Fig. 6 is the top view of antenna shown in fig. 5；
Fig. 7 is fourth embodiment tunable multiple frequency antenna structure view provided by the invention；
Fig. 8 is the top view of antenna shown in Fig. 7.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
Embodiment one
A kind of tunable multiple frequency antenna is present embodiments provided, referring to Fig. 1~2, which includes：Ground connection
Plate 11, medium substrate 12, the first radiation patch 131 and the second radiation patch 132.Earth plate 11 is conductive material, is connected to the ground,
Usually copper sheet 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 permittivity ε11With the second permittivity ε12Material system
At.Position corresponding with first medium portion 121 is arranged on medium substrate 12 in first radiation patch 131, so that it is humorous to have first
Center of percussion frequency of heart f11.Position corresponding with second medium portion 122 is arranged on medium substrate 12 in second radiation patch 132, thus
Has the second resonance center frequeH f12。
Due to the first permittivity ε11With second permittivity ε12Difference, therefore the first resonance center frequeH f11With
Second resonance center frequeH f12It is different.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 at the same time, the first radiation patch 131
It is coupled with the second radiation patch 132, therefore antenna has third resonance center frequeH f13。
It inherently can have at least one low-frequency resonant center typically for a radiation patch, when working independently
Frequency and at least one high-frequency resonant centre frequency.That is, the first resonance center frequeH f11And second resonance center frequeH
f12It itself may also include multiple resonance center frequeHs.So when the first radiation patch 131 is coupled with the second radiation patch 132,
The coupled resonance frequency of generation is with regard to more.For example, as the first resonance center frequeH f11With the second resonance center frequeH f12?
Including a low-frequency resonant centre frequency and when a high-frequency resonant centre frequency, then when the first radiation patch 131 and second
When radiation patch 132 couples, so that it may generate 4 new coupled resonance frequencies.
The application makes each radiation by the way that two dielectric portion with differing dielectric constant are arranged on medium substrate
With different resonance center frequeHs when patch works independently, when two radiation patch work, and it is humorous to form multiple couplings
Vibration frequency thus considerably increases the quantity of operating frequency of antenna on unit area.The tunable multiple frequency antenna of the application is to have
The radiation patch for limiting number, greatly increases the resonance frequency quantity of antenna, cover antenna can from low frequency to intermediate frequency again to high frequency
Each frequency range.
Embodiment two
Another tunable multiple frequency antenna is present embodiments provided, as shown in Figures 3 and 4, which includes：
Earth plate 21, medium substrate 22, the first radiation patch 231, the second radiation patch 232 and third radiation patch 233.Earth plate 21
It for conductive material, is connected to the ground, usually copper sheet or tinfoil paper.Medium substrate 22 is arranged on earth plate 21.Medium substrate 22 wraps
First medium portion 221, second medium portion 222 and third dielectric portion 223 are included, the first, second, and third dielectric portion is respectively by having
First permittivity ε21, the second permittivity ε22With third permittivity ε23Material be made.The setting of first radiation patch 231
The position corresponding with first medium portion 221 on medium substrate 22, to have resonance center frequeH f21.Second radiation patch
232 are arranged on medium substrate 22 position corresponding with second medium portion 222, to have resonance center frequeH f22.Third spoke
It penetrates patch 233 and position corresponding with third dielectric portion 223 is set on medium substrate 22, to have centre frequency f23。
Due to the first permittivity ε21With second permittivity ε22Difference, therefore resonance center frequeH f21With resonance
Centre frequency f22It is different.When the first radiation patch 231 or the second radiation patch 232 work independently, the centre frequency point of antenna
It Wei not f21Or f22.When the first radiation patch 231 and the second radiation patch 232 work at the same time, the first radiation patch 231 and
Therefore the coupling of two radiation patch 232, antenna have resonance center frequeH f23。
It inherently can have at least one low-frequency resonant center typically for a radiation patch, when working independently
Frequency and at least one high-frequency resonant centre frequency.That is, the first resonance center frequeH f11And second resonance center frequeH
f12It itself may also include multiple resonance center frequeHs.So when the first radiation patch 131 is coupled with the second radiation patch 132,
The coupled resonance frequency of generation is with regard to more.For example, as the first resonance center frequeH f11With the second resonance center frequeH f12?
Including a low-frequency resonant centre frequency and when a high-frequency resonant centre frequency, then when the first radiation patch 131 and second
When radiation patch 132 couples, so that it may generate 4 new coupled resonance frequencies.
In a preferred embodiment of the invention, third permittivity ε23With the first permittivity ε21With the second dielectric constant
ε21It is different.Therefore, three resonance can be obtained by allowing the work of any one of first, second, and third radiation patch
Centre frequency, can also be by making any two work in the first, second, and third radiation patch humorous to obtain the other three
Center of percussion frequency of heart can also obtain another resonance center by allowing the first, second, and third radiation patch to work at the same time
Frequency.Therefore, when the dielectric portion in medium substrate increases to three, so that it may greatly increase the adjustable working frequency of antenna
Rate.
Certainly, in other embodiments provided by the invention, third dielectric constant can also be with first or second dielectric constant
It is identical.Although in this way, sacrificing some frequency bands, can simplify the manufacturing process of antenna and reducing cost.
Further, as shown in Fig. 2, the size of the first and second radiation patch is identical.Certainly, first, second, and third
The size of radiation patch can be identical.Identical size can simplify manufacturing process and accordingly decrease manufacturing cost.
Further, as shown in figure 4, the size of the first, second, and third radiation patch can also be different, such antenna
Area can be obtained by sufficient utilization, maximize the radiation patch quantity on unit area, and then make the frequency of unit area
Band number maximizes.
Embodiment three
The tunable multiple frequency antenna of another structure is present embodiments provided, as seen in figs. 5-6, the tunable multiple frequency antenna 300
Including：Earth plate 31, medium substrate 32, the first radiation patch 331, the second radiation patch 332, third radiation patch 333 and
4th radiation patch 334.Earth plate 31 is conductive material, is connected to the ground, usually copper sheet or tinfoil paper.The setting of medium substrate 32 exists
On earth plate 31.Medium substrate 32 includes first medium portion 321, second medium portion 322, third dielectric portion 323 and the 4th medium
Portion 324, the first, second, third and fourth dielectric portion is respectively by having the first permittivity ε31, the second permittivity ε32, third
Permittivity ε33With the 4th permittivity ε34Material be made.First radiation patch 331 is arranged on medium substrate 32 and first
The corresponding position of dielectric portion 321, to have resonance center frequeH f31.Second radiation patch 332 is arranged on medium substrate 32
Position corresponding with second medium portion 322, to have resonance center frequeH f32.Third radiation patch 333 is arranged in medium base
Position corresponding with third dielectric portion 323 on plate 32, to have centre frequency f33.4th radiation patch 334 is arranged in medium
Position corresponding with the 4th dielectric portion 324 on substrate 32, to have centre frequency f34。
Aforementioned four permittivity ε31、ε32、ε33、ε34At least there are two different dielectric constants.Provided by the invention
In preferred embodiment, aforementioned four permittivity ε31、ε32、ε33、ε34It is different.Therefore by making aforementioned four radiation patch
Any one of work independently, antenna can at least obtain two different resonance frequencies.By pasting aforementioned four radiation
Any two work in piece, antenna at least can have other two different resonance center frequeHs.It is aforementioned four by making
Any three work in radiation patch, antenna can at least have other two different resonance center frequeHs again.By making
Aforementioned four radiation patch works at the same time, and antenna can also have another resonance center frequeH.Therefore, different by selection
The radiation patch of quantity works, the resonance frequency of adjustable antenna, and can obtain multiple and different resonance center frequeHs.
In this way, the working band of antenna is very more, requirement of the practical application to frequency band can satisfy.
Further, as shown in fig. 6, the size of the first, second, third and fourth radiation patch can be different.Such day
The area of line can be obtained by sufficient utilization, maximize the radiation patch quantity on unit area, and then make unit area
Frequency band number maximize.
Example IV
Another tunable multiple frequency antenna is present embodiments provided, with reference to Fig. 7 and 8, which includes：It connects
Floor 41, medium substrate 42, the first radiation patch 431, the second radiation patch 432, the radiation patch of third radiation patch the 433, the 4th
Piece 434 and the 5th radiation patch 435.Earth plate 41 is conductive material, is connected to the ground, usually copper sheet or tinfoil paper.Medium base
Plate 42 is arranged on earth plate 41.Medium substrate 42 include first medium portion 421, second medium portion 422, third dielectric portion 423,
4th dielectric portion 424 and the 5th dielectric portion 425, the first, second, third, fourth and fifth dielectric portion is respectively by having first
Permittivity ε41, the second permittivity ε42, third permittivity ε43, the 4th permittivity ε44With the 5th permittivity ε45Material
Material is made.Position corresponding with first medium portion 421 is arranged on medium substrate 42 in first radiation patch 431, to have humorous
Center of percussion frequency of heart f41.Position corresponding with second medium portion 422 is arranged on medium substrate 42 in second radiation patch 432, thus
Has resonance center frequeH f42.Position corresponding with third dielectric portion 423 is arranged on medium substrate 42 in third radiation patch 433
It sets, to have centre frequency f43.The setting of 4th radiation patch 434 is corresponding with the 4th dielectric portion 424 on medium substrate 42
Position, to have centre frequency f44.The setting of 5th radiation patch 435 is corresponding with the 4th dielectric portion 425 on medium substrate 42
Position, to have centre frequency f45。
Above-mentioned five permittivity εs31、ε32、ε33、ε34、ε35At least there are two different dielectric constants.It is mentioned in the present invention
In the preferred embodiment of confession, above-mentioned five permittivity εs31、ε32、ε33、ε34、ε35It is different.Therefore by making above-mentioned five
Any one of radiation patch works independently, and antenna can at least obtain two different resonance frequencies.By making above-mentioned four
Any two work in a radiation patch, antenna at least can have other two different resonance center frequeHs.By making
Any three work in aforementioned four radiation patch, antenna can at least have in addition two different resonance center frequencies again
Rate.By working at the same time aforementioned four radiation patch, antenna can also have another resonance center frequeH.Therefore, lead to
The radiation patch work of selection different number, the resonance frequency of adjustable antenna are crossed, and can be obtained multiple and different humorous
Center of percussion frequency of heart.In this way, the working band of antenna is very more, requirement of the practical application to frequency band can satisfy.
Further, as shown in figure 8, the size of the first, second, third, fourth and fifth radiation patch can be identical.Phase
Same size can simplify manufacturing process and accordingly decrease manufacturing cost.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and weighs according to the present invention
Benefit requires made equivalent variations, still belongs to the scope covered by the invention.
Claims (6)
1. a kind of tunable multiple frequency antenna, which is characterized in that including：
Earth plate；
Medium substrate is set on the earth plate；The medium substrate includes first medium portion and second medium portion, and described
One and second medium portion be made respectively of the material with the first dielectric constant and the second dielectric constant；
Position corresponding with the first medium portion is arranged on the medium substrate, to have first in first radiation patch
Resonance center frequeH；
Position corresponding with the second medium portion is arranged on the medium substrate, to have second in second radiation patch
Resonance center frequeH；
First dielectric constant is different from second dielectric constant, therefore first resonance center frequeH and described second
Resonance center frequeH is different, when the first radiation patch and the second radiation patch work at the same time, first radiation patch and institute
The coupling of the second radiation patch is stated, and there is third resonance center frequeH.
2. tunable multiple frequency antenna according to claim 1, which is characterized in that the medium substrate further includes third medium
Portion, the third dielectric portion are made of the material with third dielectric constant；The tunable multiple frequency antenna further includes third radiation
Position corresponding with the third dielectric portion is arranged on the medium substrate, to have the 4th resonance center frequeH in patch；
The third radiation patch can be coupled with the first and/or second radiation patch, to have multiple resonance center frequeHs.
3. tunable multiple frequency antenna according to claim 2, which is characterized in that the third dielectric constant and described first is situated between
Electric constant or second dielectric constant are identical.
4. tunable multiple frequency antenna according to claim 2, which is characterized in that the third dielectric constant with described first and
Second dielectric constant is different.
5. tunable multiple frequency antenna according to claim 2, which is characterized in that first, second, third radiation patch
Size is identical.
6. tunable multiple frequency antenna according to claim 2, which is characterized in that first, second, third radiation patch
Size is different.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404664.3A CN105914458B (en) | 2016-06-07 | 2016-06-07 | A kind of tunable multiple frequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610404664.3A CN105914458B (en) | 2016-06-07 | 2016-06-07 | A kind of tunable multiple frequency antenna |
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| Publication Number | Publication Date |
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| CN105914458A CN105914458A (en) | 2016-08-31 |
| CN105914458B true CN105914458B (en) | 2018-11-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326107A (en) * | 2012-03-22 | 2013-09-25 | 美国博通公司 | Programmable antenna having a programmable substrate |
| CN204179226U (en) * | 2014-11-21 | 2015-02-25 | 中国计量学院 | A kind of seven frequency range multiple-input and multiple-output antenna for mobile phone based on magnetic dielectric material |
| CN105144477A (en) * | 2013-03-13 | 2015-12-09 | 微软技术许可有限责任公司 | Dual band wlan coupled radiator antenna |
| CN205846224U (en) * | 2016-06-07 | 2016-12-28 | 武汉芯泰科技有限公司 | A kind of tunable multiple frequency antenna |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013098707A (en) * | 2011-10-31 | 2013-05-20 | Tdk Corp | Multi-resonant antenna and electronic device |
| US8970433B2 (en) * | 2011-11-29 | 2015-03-03 | Qualcomm Incorporated | Antenna assembly that is operable in multiple frequencies for a computing device |
-
2016
- 2016-06-07 CN CN201610404664.3A patent/CN105914458B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326107A (en) * | 2012-03-22 | 2013-09-25 | 美国博通公司 | Programmable antenna having a programmable substrate |
| CN105144477A (en) * | 2013-03-13 | 2015-12-09 | 微软技术许可有限责任公司 | Dual band wlan coupled radiator antenna |
| CN204179226U (en) * | 2014-11-21 | 2015-02-25 | 中国计量学院 | A kind of seven frequency range multiple-input and multiple-output antenna for mobile phone based on magnetic dielectric material |
| CN205846224U (en) * | 2016-06-07 | 2016-12-28 | 武汉芯泰科技有限公司 | A kind of tunable multiple frequency antenna |
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