CN109904614A - A kind of reconfigurable antenna based on multi-ferroic material - Google Patents
A kind of reconfigurable antenna based on multi-ferroic material Download PDFInfo
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- CN109904614A CN109904614A CN201910058699.XA CN201910058699A CN109904614A CN 109904614 A CN109904614 A CN 109904614A CN 201910058699 A CN201910058699 A CN 201910058699A CN 109904614 A CN109904614 A CN 109904614A
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Abstract
The invention discloses a kind of reconfigurable antennas based on multi-ferroic material, including substrate, radiator and feed line, it further include more iron hetero-junctions and coordination electrode, more iron hetero-junctions and radiator segmentation connection composition radiation, more iron hetero-junctions connect the coordination electrode, the radiation is arranged in substrate, and one end of radiation connects the feed line, and feed line and coordination electrode connect external control terminal.The present invention is using the small more iron hetero-junctions of volume as frequency adjustment, and it embeds it in antenna and is connect with radiator, other spaces are not occupied additionally, both it can satisfy the reconfigurable antenna requirement of multiband, and can also effectively reduce the volume of entire antenna system, and had tuning range wide, high reliablity, small in size, consume energy low, the fast feature of switching speed.
Description
Technical field
The present invention relates to a kind of antenna, in particular to a kind of reconfigurable antenna based on multi-ferroic material.
Background technique
With the development of communication science, communication apparatus has also obtained the universal of higher and higher degree, and due to all kinds of communications
Equipment production scale, using the requirement of generalization and multifunction, communication apparatus need ask its antenna to cover multiple work
Frequency range.The previous method for solving this problem is configuration mutiple antennas unit, is wanted according to communication apparatus to Antenna Operation frequency range
It asks, selects suitable antenna element, or increase the switch of aerial radiation body unit and respective antenna radiator unit, utilize
Switch selective radiation body unit is to change the working frequency range of antenna.
And at hand with the continuous development of mechanics of communication, especially 5G technology, leave antenna in communications service for
Position it is more narrow, for mobile communication equipment, portability, lightening requirement also further requirement reduce
The volume of signal receiving and transmitting system.
This requires new method to solve the above problems.Therefore the knot similar to transistor is just utilized in many antennas
Structure as switch unit, and independently of except antenna radiator and the switch as just a certain radiating element comes to antenna
Operation is reconstructed.Such normal transistor structural volume is larger, and is not easy to make, and power consumption is big, and switching speed is slow, gradually
It is not able to satisfy the requirement of current communication apparatus gradually.
The patent application of publication number CN105576338A discloses a kind of method for adjusting antenna radiator working frequency,
Include: A: the network signal that acquisition for mobile terminal base station issues determines the working form and working frequency of mobile terminal, mobile whole
End includes the bracket of antenna radiator and antenna radiator；B: according to the working form and working frequency of mobile terminal, change branch
The dielectric constant of frame, so that the center operating frequency of antenna radiator and the working frequency of mobile terminal are consistent.Bracket
Material includes quantum paraelectrics and/or multi-ferroic material, applies the dielectric constant that electric field, magnetic field or power change bracket, to change
Become the working frequency of antenna radiator, the working form and working frequency of adjustment antenna radiator is realized, so that mobile terminal can
With working form and working frequency as needed, the working frequency adjustment of antenna radiator, the frequency of sustainable needs are carried out
Rate range.Corresponding, which additionally provides the mobile terminal of adjustable antenna radiator working frequency.
Antenna in above-mentioned documents changes the working frequency of antenna by changing the dielectric constant of bracket, though than passing
System method is more effective, but is substantially still that antenna and switch are independent, and can not effectively reduce the volume of antenna entirety, body
The problem that product is larger, energy consumption is high, switching speed is slow.
Summary of the invention
Problem larger for prior art volume, energy consumption is high, switching speed is slow, the present invention provides one kind to be based on more iron
Property material reconfigurable antenna, using the small more iron hetero-junctions of volume as frequency adjustment, and embed it in antenna with
Radiator connection, does not occupy other spaces additionally, both can satisfy the requirement of multiband, can also effectively reduce entire antenna
Volume has tuning range wide, and high reliablity is small in size, and consume energy low, the fast feature of switching speed.
It is technical solution of the present invention below.
A kind of reconfigurable antenna based on multi-ferroic material, including substrate, radiator and feed line further include more iron hetero-junctions
And coordination electrode, more iron hetero-junctions and radiator segmentation connection composition radiation, more iron hetero-junctions connect the control electricity
Pole, the radiation are arranged in substrate, and one end of radiation connects the feed line, feed line and the external control of coordination electrode connection
End processed.The present invention uses more iron hetero-junctions at its specific position, by applying electric field signal appropriate to more iron hetero-junctions
It can be so that the realization of more iron hetero-junctions have reached the realization of switch state by the characteristic transition of conductor to insulator.In this way
The conducting and shutdown that antenna privileged site is realized by the transformation of switch state, just change antenna from real work effect
The distribution of radiator.By above-mentioned change, the selection that different working frequency range is carried out to antenna may be implemented.Pass through in this way by
More iron hetero-junctions are as switch, and embedding it in integrated with radiator in antenna radiator is an entirety, utilize
Electric field signal carries out switch control, can not only minimize switch, be not take up exceptional space, reduce the body of integrated antenna system
Product can also extremely easily realize the switching between the switch of multiple working frequency range and each frequency range using electric field signal.And
This switch is controlled with electric signal, and without any mechanical action, response is rapid.
Preferably, the quantity of more iron hetero-junctions and radiator minor matters is more than or equal to one in the radiation.Radiator and
More iron hetero-junctions are combined with each other the structure at similar ring, by existing whether controlling the conducting of more iron hetero-junctions to adjust radiator
Winding displacement distribution in actual work, realizes being switched fast for multiple frequency range.
Preferably, the radiation is laid in substrate surface to be bent bar shaped.Due to the one direction of general installation space
Limited length, therefore in order to increase the entire length of radiation, the tuning range of antenna is improved, using the laying of bending bar shaped
Mode makes full use of space, volume needed for reducing.
Preferably, the curved shape of every section of radiator is different in the radiation.Different shapes has different frequencies
Rate characteristic, therefore do so and frequency regulation capability can be improved.
Preferably, the length of every section of radiator is different in the radiation.Different length has different frequencies special
Property, it does so and frequency regulation capability can be improved.
Preferably, the quantity of the radiation is more than or equal to one, the feed line connects one end of every radiation.It is more
Signal reception can be enhanced in root radiation, while improving reliability.
Preferably, the radiation is laid on substrate so that helical curve is linear.The shape is a kind of optional Special Graphs
Case.
Preferably, the radiator is conductive metallic material.The material is the production most reliable material of radiator.
Preferably, the substrate is macromolecule flexible base board.Other than general substrate, macromolecule flexible base board conduct
It is a kind of preferred, it can make entire antenna that there is the wide scope of application.
Preferably, the substrate is substrate made of polyimide plastic.Polyimide plastic is a kind of height of maturation
Molecular flexibility material.
The present invention using the small more iron hetero-junctions of volume as frequency adjustment, and embed it in antenna with radiation
Body connection, does not occupy other spaces additionally, both can satisfy the requirement of multiband, can also effectively reduce entire antenna system
Volume has tuning range wide, and high reliablity is small in size, and consume energy low, the fast feature of switching speed.
Detailed description of the invention
Fig. 1 is the schematic diagram of an embodiment of the present invention；
Fig. 2 is the schematic diagram of another embodiment of the present invention；
Fig. 3 is the schematic diagram of more iron hetero-junctions in the present invention；
In figure: control terminal, 6- top electrode, the bottom 7- electricity outside the more iron hetero-junctions of 1- substrate, 2- radiator, 3- feed line, 4-, 5-
Pole.
Specific embodiment
The technical program is further elaborated below in conjunction with Figure of description.
Embodiment 1: being as shown in Figure 1 a kind of reconfigurable antenna based on multi-ferroic material, including substrate 1, radiator 2 and feedback
Electric wire 3 further includes more iron hetero-junctions 4 and coordination electrode, and more iron hetero-junctions 4 form radiation with the segmentation connection of radiator 2,
More iron hetero-junctions 4 connect the coordination electrode, and the radiation is arranged in substrate 1, and one end of radiation connects the feed line
3, feed line 3 and coordination electrode connect external control terminal.The substrate 1 of the present embodiment is flat rectangular body.
Share a radiation in the present embodiment, in the radiation, the quantity of more iron hetero-junctions 4 is three, radiator 2
The quantity of section is four sections.Radiator 2 and more iron hetero-junctions 4 are combined with each other the structure at similar ring, heterogeneous by controlling more iron
Radiator 2 is adjusted whether the conducting of knot 4 in winding displacement distribution in actual work, realizes being switched fast for multiple frequency range.
In the present embodiment, the radiation is laid in 1 surface of substrate to be bent bar shaped.Due to the folk prescription of general installation space
To limited length, therefore in order to increase the entire length of radiation, the tuning range of antenna is improved, using the cloth of bending bar shaped
If mode, space is made full use of, volume needed for reducing.
In the present embodiment, the curved shape of every section of radiator 2 is different in the radiation.Different shapes has different
Frequency characteristic, therefore do so and frequency regulation capability can be improved.
In the present embodiment, the length of every section of radiator 2 is different in the radiation.Different length has different frequencies
Characteristic does so and frequency regulation capability can be improved.
In the present embodiment, the radiator 2 is conductive metallic material.The material is the production most reliable material of radiator 2.
In the present embodiment, the substrate 1 is macromolecule flexible base board 1 made of polyimide plastic.Macromolecule flexibility base
Plate 1 can make entire antenna have the wide scope of application, and polyimide plastic is a kind of macromolecule flexible material of maturation.
Embodiment 2: being illustrated in figure 2 another reconfigurable antenna based on multi-ferroic material, includes three in the present embodiment
Radiation, the shape and length of radiation are consistent, and every radiation is equipped with iron hetero-junctions 4 more than one and two sections of radiators 2, together
Two sections of 2 length of radiator in one radiation and shape are different, and one end of radiation is connected by feed line 3, the present embodiment its
His feature is consistent with above-described embodiment 1.
In addition it is illustrated in figure 3 the schematic diagram of more iron hetero-junctions 4, ferroelectric material is under, and ferromagnetic material is in upper, two kinds of materials
It being integrally formed, the coordination electrode includes the top electrode 6 of ferromagnetic material upper surface and the hearth electrode 7 of ferroelectric material lower surface,
Two electrodes are wired to external control terminal 5.Apply electric field letter appropriate by the coordination electrode to more iron hetero-junctions 4
Number can so that more iron hetero-junctions 4 realize by conductor to insulator characteristic transition, that is, reached the realization of switch state.This
Sample realizes the conducting and shutdown of antenna privileged site by the transformation of switch state, just changes day from real work effect
The distribution of beta radiation body 2.By above-mentioned change, the selection that different working frequency range is carried out to antenna may be implemented.
It is switched by being used as more iron hetero-junctions 4, and embeds it in collection integrated with radiator 2 in antenna radiator 2
As an entirety, switch control is carried out using electric field signal, switch can not only be minimized, be not take up exceptional space, subtract
The volume of small integrated antenna system can also extremely easily realize the switch and each frequency of multiple working frequency range using electric field signal
Switching between section.And this switch is controlled with electric signal, and without any mechanical action, response is rapid.
Above-described embodiment tuning range is wide, and high reliablity is small in size, consumes energy low, switching speed is fast.
It should be noted that the specific embodiment is only used for that technical solution is further described, it is not used in and limits the skill
The range of art scheme, any modifications, equivalent substitutions and improvements etc. based on this technical solution are regarded as in protection of the invention
In range.
Claims (10)
1. a kind of reconfigurable antenna based on multi-ferroic material, including substrate, radiator and feed line, which is characterized in that further include
More iron hetero-junctions and coordination electrode, more iron hetero-junctions and radiator segmentation connection composition radiation, more iron hetero-junctions connections
The coordination electrode, the radiation are arranged in substrate, and one end of radiation connects the feed line, feed line and coordination electrode
Connect external control terminal.
2. a kind of reconfigurable antenna based on multi-ferroic material according to claim 1, which is characterized in that the radiation
In, the quantity of more iron hetero-junctions and radiator minor matters is more than or equal to one.
3. a kind of reconfigurable antenna based on multi-ferroic material according to claim 2, which is characterized in that the radiation with
Bending bar shaped is laid in substrate surface.
4. a kind of reconfigurable antenna based on multi-ferroic material according to claim 3, which is characterized in that in the radiation
The curved shape of every section of radiator is different.
5. a kind of reconfigurable antenna based on multi-ferroic material according to claim 3 or 4, which is characterized in that the radiation
The length of every section of radiator is different in line.
6. a kind of reconfigurable antenna based on multi-ferroic material according to claim 1 or 2, which is characterized in that the radiation
The quantity of line is more than or equal to one, and the feed line connects one end of every radiation.
7. a kind of reconfigurable antenna based on multi-ferroic material according to claim 3, which is characterized in that the radiation with
Helical curve is linear to be laid on substrate.
8. a kind of reconfigurable antenna based on multi-ferroic material according to claim 1, which is characterized in that the radiator is
Conductive metallic material.
9. a kind of reconfigurable antenna based on multi-ferroic material according to claim 1, which is characterized in that the substrate is height
Molecular flexibility substrate.
10. a kind of reconfigurable antenna based on multi-ferroic material according to claim 9, which is characterized in that the substrate is
Substrate made of polyimide plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910058699.XA CN109904614A (en) | 2019-01-22 | 2019-01-22 | A kind of reconfigurable antenna based on multi-ferroic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910058699.XA CN109904614A (en) | 2019-01-22 | 2019-01-22 | A kind of reconfigurable antenna based on multi-ferroic material |
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| Publication Number | Publication Date |
|---|---|
| CN109904614A true CN109904614A (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910058699.XA Pending CN109904614A (en) | 2019-01-22 | 2019-01-22 | A kind of reconfigurable antenna based on multi-ferroic material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555687A (en) * | 2021-07-19 | 2021-10-26 | 山东大学 | Reconfigurable antenna and preparation method thereof |
Citations (5)
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|---|---|---|---|---|
| CN102306870A (en) * | 2011-06-29 | 2012-01-04 | 电子科技大学 | Ultra wide band antenna with reconfigurable frequency |
| CN103346255A (en) * | 2013-06-26 | 2013-10-09 | 济南大学 | Heterojunction, ferroelectric tunnel junction and preparation method and application thereof |
| CN104659080A (en) * | 2015-02-04 | 2015-05-27 | 天津师范大学 | Multiferroic nanoparticles with threshold switching effect and preparation method thereof |
| CN105576338A (en) * | 2014-10-16 | 2016-05-11 | 深圳市东方拓宇科技有限公司 | Method of adjusting working frequency of antenna radiation body and corresponding mobile terminal |
| CN209313011U (en) * | 2019-01-22 | 2019-08-27 | 中国计量大学 | A kind of reconfigurable antenna based on more iron hetero-junctions |
-
2019
- 2019-01-22 CN CN201910058699.XA patent/CN109904614A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306870A (en) * | 2011-06-29 | 2012-01-04 | 电子科技大学 | Ultra wide band antenna with reconfigurable frequency |
| CN103346255A (en) * | 2013-06-26 | 2013-10-09 | 济南大学 | Heterojunction, ferroelectric tunnel junction and preparation method and application thereof |
| CN105576338A (en) * | 2014-10-16 | 2016-05-11 | 深圳市东方拓宇科技有限公司 | Method of adjusting working frequency of antenna radiation body and corresponding mobile terminal |
| CN104659080A (en) * | 2015-02-04 | 2015-05-27 | 天津师范大学 | Multiferroic nanoparticles with threshold switching effect and preparation method thereof |
| CN209313011U (en) * | 2019-01-22 | 2019-08-27 | 中国计量大学 | A kind of reconfigurable antenna based on more iron hetero-junctions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555687A (en) * | 2021-07-19 | 2021-10-26 | 山东大学 | Reconfigurable antenna and preparation method thereof |
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Application publication date: 20190618 |