CN107706525A - A kind of reconfigurable antenna - Google Patents
A kind of reconfigurable antenna Download PDFInfo
- Publication number
- CN107706525A CN107706525A CN201710800518.7A CN201710800518A CN107706525A CN 107706525 A CN107706525 A CN 107706525A CN 201710800518 A CN201710800518 A CN 201710800518A CN 107706525 A CN107706525 A CN 107706525A
- Authority
- CN
- China
- Prior art keywords
- antenna
- chamber
- magnetic
- electromagnet
- reconfigurable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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- Details Of Aerials (AREA)
Abstract
The present invention relates to antenna technical field, a kind of more particularly to reconfigurable antenna, including multiple antenna modules, antenna module includes antenna, reconstruct magnet and two blocks of electromagnet, and reconstruct magnet includes chamber and magnetic, and magnetic is located in chamber, antenna passes through chamber by outside, and antenna disconnects in chamber, two blocks of electromagnet are located at the both sides of chamber respectively, and electromagnet setting direction is vertical with the setting direction of antenna.Specific magnetic is placed in chamber by the present invention, chamber is located in the magnetic field that external electrical magnet is formed, motion of the magnetic in chamber is controlled by externally-applied magnetic field, change the location of its, antenna penetrates chamber by outside, it is then turned off forming fracture, chamber is passed again, two blocks of electromagnet are separately energized, magnetic can be made to move back and forth near the position of chamber internal antenna fracture, the connection and disconnection of antenna are realized, the reconstruct for realizing antenna length and shape easily and effectively, it is met the requirement of varying environment and application feature.
Description
Technical field
The present invention relates to antenna technical field, more particularly to a kind of reconfigurable antenna.
Background technology
Antenna is the device for being used for launching or receiving electromagnetic wave in wireless device.Radio communication, broadcast, TV,
The engineering systems such as radar, navigation, remote sensing, radio astronomy, it is every using electromagnetic waves to transmission information, depend on antenna and carry out work
Make.In recent years, developing rapidly with radar and communication system, automobile, aircraft, naval vessel and various consumer electronic devices need
Use the antenna of various sizes and shape.Traditional solid metal antenna only has a kind of specific shape, and in order to meet not
Same radio signal sends and receives requirement, can only be solved by the way of multiple antennas are carried, this undoubtedly adds day
The cost of manufacture and space-consuming of line.
The shape and height of antenna directly affect the reception of radio signal.In order to improve the bandwidth of antenna, that is, have
The frequency range of work is imitated, the following multiple technologies of generally use, such as uses thicker metal wire, is come using metal " cylinder mould " approximate
Thicker metal wire, the antenna element (such as in feed horn) that tip attenuates, and the single part that multiple antennas is integrated.Antenna
Inclination angle can also influence the launching effect of antenna, such as bottom surface radar antenna is inclined upwardly, and be easy to the aircraft in high-altitude to receive wirelessly
Electric signal.In addition, the position of reception antenna can also influence the reception of signal, the aerial radiation of such as mobile phone mobile device is special
Property can various change according to the use state of user.
The content of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is that structure existing for the existing solid metal antenna of solution is single, it is difficult to is met
The problem of application requirement under all kinds of environment.
(2) technical scheme
In order to solve the above-mentioned technical problem, it is described the invention provides a kind of reconfigurable antenna, including multiple antenna modules
Antenna module includes antenna body, reconstruct magnet and two blocks of electromagnet, and the reconstruct magnet includes chamber and magnetic, the magnetic
Property body be located in the chamber, the antenna body passes through the chamber by outside, and the antenna body is in the chamber
Disconnect, two blocks of electromagnet are located at the both sides of the chamber, and the electromagnet setting direction and the antenna body respectively
Setting direction it is vertical.
Wherein, the magnetic is made up of the liquid metal of doped magnetic metallic particles.
Wherein, the gallium and the gallium-indium alloy of 24.5% indium composition that the liquid metal is 75.5%, the magnetic metal
Particle is iron, cobalt or nickel.
Wherein, multiple antenna module series connection, the head end of each antenna body connect successively with tail end along current direction
Connect.
Wherein, multiple antenna modules are in parallel, and the head end of each antenna body is respectively connected with tail end.
Wherein, in addition to antenna wave generator, the antenna wave generator are connected with the tail end of the antenna body.
Wherein, the outside of the antenna body and the outside of the chamber are equipped with housing.
Wherein, the electromagnet connection external power supply.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the following advantages that：Reconfigurable antenna of the present invention first puts specific magnetic
Put in chamber, chamber is located in the magnetic field that external electrical magnet is formed, and magnetic is controlled in chamber by externally-applied magnetic field
Motion, change the location of its, antenna body penetrates chamber by outside, is then turned off forming fracture, then passes chamber, two pieces
Electromagnet is separately energized, and magnetic can be made to move back and forth near the position of chamber internal antenna body fracture, in externally-applied magnetic field
Under control, the magnetic in chamber is moved to antenna body incision position, the antenna body connection that will be switched off, realizes antenna body
Connection；Magnetic in chamber moves away from antenna body fracture, realizes the disconnection of antenna body, so as to utilize magnetic in magnetic
Regulation and control under transportable feature, the reconstruct for realizing antenna length and shape easily and effectively, make its meet varying environment and
The requirement of application feature.
Except it is described above present invention solves the technical problem that, form technical scheme technical characteristic and have this
Outside advantage caused by the technical characteristic of a little technical schemes, what other technical characteristics of the invention and these technical characteristics were brought
Advantage, it will be further illustrated with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is structural representation of the antenna module of reconfigurable antenna of the embodiment of the present invention under antenna body connected state
Figure；
Fig. 2 is structural representation of the antenna module of reconfigurable antenna of the embodiment of the present invention under antenna body off-state
Figure；
Fig. 3 is the structural representation of the reconfigurable antenna of the embodiment of the present invention one；
Fig. 4 is the structural representation of the reconfigurable antenna of the embodiment of the present invention two.
In figure：1：Antenna module；2：Antenna wave generator；3：Housing；4：External power supply；11：Antenna body；12：Electricity
Magnet；13：Chamber；14：Magnetic.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In addition, in the description of the invention, unless otherwise indicated, " multiple ", " more ", " multigroup " be meant that two or
Two or more, " several ", " some ", " some groups " are meant that one or more.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, reconfigurable antenna provided in an embodiment of the present invention, including multiple antenna modules 1, day
Line component 1 includes antenna body 11, reconstruct magnet and two blocks of electromagnet 12, and reconstruct magnet includes chamber 13 and magnetic 14, magnetic
Property body 14 be located in chamber 13, antenna body 11 pass through chamber 13 by outside, and the disconnection in chamber 13 of antenna body 11, two pieces
Electromagnet 12 is located at the both sides of chamber 13 respectively, and the setting direction of electromagnet 12 is vertical with the setting direction of antenna body 11.
Specific magnetic is placed in chamber by reconfigurable antenna of the present invention first, and chamber is located at external electrical magnet institute shape
Into magnetic field in, motion of the magnetic in chamber is controlled by externally-applied magnetic field, changes the location of its, antenna body is by outer
Portion penetrates chamber, is then turned off forming fracture, then passes chamber, and two blocks of electromagnet are separately energized, and can make magnetic in chamber
The position of antenna body fracture nearby moves back and forth, and under the control of externally-applied magnetic field, the magnetic in chamber is moved to antenna sheet
Body incision position, the antenna connection that will be switched off, realizes the connection of antenna body；Magnetic in chamber moves away from antenna body and broken
Mouthful, the disconnection of antenna body is realized, so as to transportable feature, realization easily and effectively under the regulation and control of magnetic field using magnetic
The reconstruct of antenna length and shape, it is set to meet the requirement of varying environment and application feature.
Wherein, magnetic 14 is made up of the liquid metal of doped magnetic metallic particles.Liquid metal is that a kind of fusing point is relatively low
Alloy, such as gallium-base alloy, indium-base alloy, bismuth-base alloy.This alloy material has good electric conductivity and relatively low molten
Point.Magnetic liquid metal is then by mixing magnetic material, such as iron, cobalt, nickel metal or alloy in liquid metal alloy, making
Liquid metal has magnetic a kind of material.Magnetic liquid metal belongs to functional material, can control liquid by externally-applied magnetic field
The flowing of state metal and change in location, so as to provide possibility for structure liquid electronic switch.In addition, what liquid metal had in itself
Satisfactory electrical conductivity allows its part as circuit, and its good mobility may insure the complete of circuit junction.Magnetic
Property material mixes prepares magnetic liquid metal as magnetic in liquid metal, and magnetic liquid metal is poured in into spy afterwards
In fixed chamber, under the control of externally-applied magnetic field, the magnetic liquid metal flows in chamber are to antenna incision position, with metal antenna
Infiltration, realizes the connection of antenna conductor；When the other end of magnetic liquid metal flows to chamber, away from antenna fracture, day is realized
The disconnection of line conductor, finally realize the reconstruct of antenna length and shape.
Specifically, gallium and the gallium-indium alloy of 24.5% indium composition that liquid metal is 75.5%, magnetic metal particle are
Iron, cobalt or nickel.The alloy melting point of the liquid metal of the present invention is 10.5 degree, thus keeps liquid at normal temperatures.
Wherein, multiple antenna modules 1 are connected, and the head end of each antenna body 11 is sequentially connected with tail end along current direction.This
Antenna module is cascade in embodiment, is joined end to end and is formed successively by the antenna body in multiple antenna modules.Day herein
The head end of line body and tail end are entering depending on outgoing direction by antenna module according to electric current.
Further, reconfigurable antenna of the present invention also includes antenna wave generator 2, antenna wave generator 2 and antenna
The tail end connection of body 11.The tail end of radiowave generator and antenna body connects, and can produce radio signal.
Wherein, the outside of antenna body 11 and the outside of chamber 13 are equipped with housing 3.Housing enters to antenna body and chamber
Row integrally connected is reinforced and outer protection.Ensure the sealing and fastness of the two junction.
Wherein, electromagnet 12 connects external power supply 4.External power supply is powered for electromagnet, forms it into the magnetic field control of local accent
Magnetic movement processed.
In use, antenna body can be prepared by traditional rigid metallic material, such as copper, aluminium, can also use
The low-melting-point metals such as liquid metal or alloy are prepared.Electromagnet can be separately positioned at the outside of chamber, can also install
On the outer wall of chamber, an entirety is formed with chamber.In addition it is also possible to electromagnet is replaced using permanent magnet.
Embodiment two
As shown in figure 4, reconfigurable antenna and the basic phase of reconfigurable antenna of embodiment one that the embodiment of the present invention two provides
Together, difference in the present embodiment multiple antenna modules 1 it is in parallel, the head end of each antenna body 11 is respectively connected with tail end.
In each antenna module spaced set, and the head end of antenna body is connected with main line, tail end connection radiowave generator.
Under externally-applied magnetic field control caused by being powered in electromagnet, magnetic connection antenna body and radiowave generator in chamber,
Make the hypomere short circuit of antenna, so as to change the length of antenna.
In summary, specific magnetic ball is placed in chamber by reconfigurable antenna of the present invention first, and chamber is located at external electrical
In the magnetic field that magnet is formed, motion of the magnetic ball in chamber is controlled by externally-applied magnetic field, changes the location of its, antenna sheet
Body penetrates chamber by outside, is then turned off forming fracture, then passes chamber, and two blocks of electromagnet are separately energized, and magnetic can be made to exist
The position of chamber internal antenna body fracture nearby moves back and forth, and under the control of externally-applied magnetic field, the magnetic ball in chamber is moved to day
Line body incision position, the antenna body connection that will be switched off, realizes the connection of antenna body；Magnetic ball in chamber moves away from antenna
Body fracture, the disconnection of antenna body is realized, so as to utilize magnetic ball transportable feature under the regulation and control of magnetic field, easily and effectively
The reconstruct of antenna length and shape is realized, it is met the requirement of varying environment and application feature.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (8)
- A kind of 1. reconfigurable antenna, it is characterised in that：Including multiple antenna modules, the antenna module includes antenna body, again Structure magnet and two blocks of electromagnet, the reconstruct magnet include chamber and magnetic, and the magnetic is located in the chamber, described Antenna body passes through the chamber by outside, and the antenna body disconnects in the chamber, two pieces of electromagnet difference Positioned at the both sides of the chamber, and the electromagnet setting direction is vertical with the setting direction of the antenna body.
- 2. reconfigurable antenna according to claim 1, it is characterised in that：The magnetic is by doped magnetic metallic particles Liquid metal is made.
- 3. reconfigurable antenna according to claim 2, it is characterised in that：The liquid metal be 75.5% gallium and The gallium-indium alloy of 24.5% indium composition, the magnetic metal particle is iron, cobalt or nickel.
- 4. reconfigurable antenna according to claim 1, it is characterised in that：Multiple antenna module series connection, each day The head end of line body is sequentially connected with tail end along current direction.
- 5. reconfigurable antenna according to claim 1, it is characterised in that：Multiple antenna modules are in parallel, each day The head end of line body is respectively connected with tail end.
- 6. the reconfigurable antenna according to claim 4 or 5, it is characterised in that：Also include antenna wave generator, the day Line wave generator is connected with the tail end of the antenna body.
- 7. reconfigurable antenna according to claim 1, it is characterised in that：The outside of the antenna body and the chamber Outside is equipped with housing.
- 8. reconfigurable antenna according to claim 1, it is characterised in that：The electromagnet connects external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800518.7A CN107706525B (en) | 2017-09-07 | 2017-09-07 | Reconfigurable antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800518.7A CN107706525B (en) | 2017-09-07 | 2017-09-07 | Reconfigurable antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107706525A true CN107706525A (en) | 2018-02-16 |
| CN107706525B CN107706525B (en) | 2021-01-01 |
Family
ID=61172183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710800518.7A Active CN107706525B (en) | 2017-09-07 | 2017-09-07 | Reconfigurable antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107706525B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950686A (en) * | 2019-03-11 | 2019-06-28 | 南京理工大学 | It is a kind of for reconstructing the electric control structure and its reconstructing method of liquid metal |
| CN109978125A (en) * | 2019-03-29 | 2019-07-05 | 上海宜链物联网有限公司 | A kind of RFID antenna that multi-tag reading capability can be improved, reader and method |
| CN110247165A (en) * | 2019-05-20 | 2019-09-17 | 珠海格力电器股份有限公司 | A kind of antenna structure and the mobile terminal with it |
| CN113711409A (en) * | 2019-08-07 | 2021-11-26 | 株式会社Lg新能源 | Electrochemical element for inducing internal short circuit and method for evaluating safety using the same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950686A (en) * | 2019-03-11 | 2019-06-28 | 南京理工大学 | It is a kind of for reconstructing the electric control structure and its reconstructing method of liquid metal |
| CN109950686B (en) * | 2019-03-11 | 2020-07-14 | 南京理工大学 | Electric control structure for reconstructing liquid metal and reconstruction method thereof |
| CN109978125A (en) * | 2019-03-29 | 2019-07-05 | 上海宜链物联网有限公司 | A kind of RFID antenna that multi-tag reading capability can be improved, reader and method |
| CN109978125B (en) * | 2019-03-29 | 2022-04-05 | 上海宜链物联网有限公司 | RFID antenna capable of improving multi-tag reading capability, reader-writer and method |
| CN110247165A (en) * | 2019-05-20 | 2019-09-17 | 珠海格力电器股份有限公司 | A kind of antenna structure and the mobile terminal with it |
| CN110247165B (en) * | 2019-05-20 | 2024-05-03 | 珠海格力电器股份有限公司 | Antenna structure and mobile terminal with same |
| CN113711409A (en) * | 2019-08-07 | 2021-11-26 | 株式会社Lg新能源 | Electrochemical element for inducing internal short circuit and method for evaluating safety using the same |
| CN113711409B (en) * | 2019-08-07 | 2024-04-19 | 株式会社Lg新能源 | Electrochemical element for inducing internal short circuit and method for evaluating safety using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107706525B (en) | 2021-01-01 |
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