CN205846224U - A kind of tunable multiple frequency antenna - Google Patents

A kind of tunable multiple frequency antenna Download PDF

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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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China
Prior art keywords
radiation patch
dielectric constant
antenna
medium substrate
dielectric
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Withdrawn - After Issue
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CN201620547440.3U
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Chinese (zh)
Inventor
张科峰
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WUHAN XINTAI TECHNOLOGY Co Ltd
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WUHAN XINTAI TECHNOLOGY Co Ltd
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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

A kind of tunable multiple frequency antenna
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.
CN201620547440.3U 2016-06-07 2016-06-07 A kind of tunable multiple frequency antenna Withdrawn - After Issue CN205846224U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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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