CN107464982A - A kind of reconfigurable antenna based on liquid metal - Google Patents
A kind of reconfigurable antenna based on liquid metal Download PDFInfo
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- CN107464982A CN107464982A CN201710524445.3A CN201710524445A CN107464982A CN 107464982 A CN107464982 A CN 107464982A CN 201710524445 A CN201710524445 A CN 201710524445A CN 107464982 A CN107464982 A CN 107464982A
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- liquid metal
- transfer tube
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- pipe
- liquid
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
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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
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Abstract
The present invention provides a kind of reconfigurable antenna based on liquid metal, including antenna body, transfer tube and control unit；The bottom of antenna body is provided with liquid metal input port and liquid metal delivery outlet, the first end of transfer tube is connected by liquid metal input pipe with liquid metal input port, the end of transfer tube second is connected with liquid metal delivery outlet, filling liquid metal in antenna body, liquid metal input pipe and liquid metal efferent duct, antenna body is provided with feeding electrode, and and liquid metal contacts close to one end of liquid metal input port or liquid metal input pipe close to one end of liquid metal input port；Control unit electrically connects with transfer tube.Operation of the invention by controlling transfer tube, liquid metal capacity in antenna body is adjusted, reconstruct is realized, same electric wire is possessed kind of a multiple functions.Meanwhile liquid metal is as heat radiation working medium, it is not necessary to sets up single cooling recirculation system, good heat dissipation effect, saves communication system hardware cost and improve system flexibility.
Description
Technical field
The present invention relates to antenna assembly technical field, and in particular to a kind of reconfigurable antenna based on liquid metal.
Background technology
Currently, from smart mobile phone, automobile, to satellite communication, military radar, antenna is ubiquitous, in every aspect
It is flooded with our life and work.Antenna, the guided wave of transmission above-the-line promotion, is transformed into unbounded as a kind of converter
The electromagnetic wave propagated in medium, or opposite conversion is carried out, it is used for launching or receiving electromagnetism so as to be used as in wireless device
The part of ripple.The application field of antenna also includes radio communication, broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, penetrated
The engineering systems such as electric astronomy.In a word, it is every using electromagnetic waves to transmission information, antenna is all relied on to be operated.In addition,
In terms of energy is transmitted with electromagnetic wave, the energy radiation of non-signal is also required to antenna.
With developing rapidly for modern radar and communication system, to realize that communication, navigation, guidance, warning, weapon are target-seeking etc.
Antenna amount and species needed for purpose, aircraft, naval vessel, satellite etc. is more and more.This causes the weight loaded on platform not
Disconnected increase, and build the expense needed for antenna and also constantly rise, the antenna cost of single function is difficult to control.Meanwhile big work(
The caloric value of rate antenna is huge, has a strong impact on the normal work of antenna.For applying the traditional heat-dissipating technology on antenna, no
Many drawbacks be present with can avoiding.Natural air cooled radiating effect is limited, and can be only applied to cooling requirements is not very high field
Close.Regardless of whether be forced air cooling or forced water cooling, be required for single cooling recirculation system, structural complexity do not say and
Analogy, it is also difficult to adapt to the requirement in the increasingly harsh compactedness of field of antenna.
The content of the invention
(1) technical problems to be solved
It is an object of the invention to provide a kind of reconfigurable antenna based on liquid metal, and the reconstruct of antenna can be achieved, and then
Possess kind of a multiple functions, simultaneously, it is not necessary to set up single cooling recirculation system, good heat dissipation effect, save communication system hardware
Cost simultaneously improves system flexibility.
(2) technical scheme
In order to solve the above-mentioned technical problem, the present invention provides a kind of reconfigurable antenna based on liquid metal, including antenna
Body, transfer tube and control unit；Wherein, the bottom of the antenna body is provided with liquid metal input port and liquid metal exports
Mouthful, the first end of the transfer tube is connected by liquid metal input pipe with the liquid metal input port, the transfer tube
Second end is connected by liquid metal efferent duct with the liquid metal delivery outlet, the antenna body, liquid metal input pipe
With being filled with liquid metal in liquid metal efferent duct, and the antenna body is close to one end of the liquid metal input port,
Or, the liquid metal input pipe is provided with feeding electrode close to one end of the liquid metal input port, the feeding electrode with
Liquid metal contacts in pipeline；Described control unit electrically connects with the transfer tube, for controlling the operation of the transfer tube,
The capacity of liquid metal in the antenna body is adjusted, realizes reconstruct.
Wherein, the antenna body includes liquid metal incoming flow pipe and liquid metal backflow pipe, the liquid metal incoming
The upper end port of pipe is connected with the upper end port of the liquid metal backflow pipe, and the lower end port of the liquid metal incoming flow pipe is led to
The first end for crossing the liquid metal input pipe and transfer tube connects, and the lower end port of the liquid metal backflow pipe passes through described
Second end of liquid metal efferent duct and transfer tube connects.
Wherein, the liquid metal incoming flow pipe and liquid metal backflow pipe are dual-pipe parallel structure or internal and external casing structure.
Wherein, the antenna body also includes substrate, stud and top plate, and the stud is on the substrate, the top
Plate is located at the upper end of the stud, and is threadedly coupled with the stud, and the top plate can move up and down along the stud, the liquid
State metal incoming flow pipe and liquid metal backflow pipe spiral are arranged on the stud between the top plate and substrate.
Wherein, the antenna body is sleeve, and the liquid metal input port and liquid metal delivery outlet are located at the set
The bottom surface of cylinder, and the radius of the liquid metal delivery outlet is less than the radius of the liquid metal input port, is set in the sleeve
There is the dividing plate that can be slided up and down along the sleeve.
Wherein, the antenna body is provided with the first temperature sensor, for measuring liquid metal in the antenna body
Temperature, first temperature sensor is connected with described control unit.
Wherein, the liquid metal efferent duct is provided with radiator.
Wherein, the radiator is provided with second temperature sensor, for measuring the temperature of liquid metal in the radiator
Degree, the second temperature sensor are connected with described control unit.
Wherein, the liquid metal efferent duct, which is provided with, is electrically isolated device, and the electric isolution device includes liquid bath and is located at
Funnel in the liquid bath, the bottom of the liquid bath are provided with the outlet being connected with the transfer tube, the upper opening of the funnel
It is connected with the liquid metal delivery outlet.
Wherein, the liquid metal efferent duct, which is provided with, is electrically isolated device, and the electric isolution device includes the first liquid gold
Belong to pond and the second liquid metal pool, first liquid metal pool is connected with the transfer tube, second liquid metal pool and
The liquid metal delivery outlet connection.
(3) beneficial effect
Compared with prior art, the invention has the advantages that：
1) present invention provides a kind of reconfigurable antenna based on liquid metal, and the bottom of antenna body is defeated provided with liquid metal
Entrance and liquid metal delivery outlet, the first end of transfer tube are connected with liquid metal input port, the second end of transfer tube and liquid
Metal delivery outlet connects, and is filled with liquid metal in antenna body, liquid metal input pipe and liquid metal efferent duct, passes through control
The operation of unit control transfer tube processed, adjusts the capacity of liquid metal in antenna body, realizes reconstruct, same electric wire is possessed kind
Multiple functions, antenna amount and species needed for reduction, communication system hardware cost is saved, and improve system flexibility.
2) heat radiation working medium is used as by liquid metal in the present invention, liquid metal has excellent heat transfer property, passes through drive
The circulation power that dynamic pump provides, makes liquid metal circulation work in antennas；Liquid metal height quickly absorbs in antenna body
Heat production, and take heat out of antenna body, good heat dissipation effect using its mobility.Simultaneously, it is not necessary to set up individually cooling and follow
Loop system, saves space and cost, simplified communication system structure,
Brief description of the drawings
Fig. 1 is a kind of structural representation of the reconfigurable antenna based on liquid metal of the present invention；
Fig. 2 is a kind of structural representation of antenna body in the embodiment of the present invention 3；
Fig. 3 is a kind of structural representation of antenna body in the embodiment of the present invention 3；
Fig. 4 is liquid metal incoming flow pipe and the dual-pipe parallel structural representation of liquid metal backflow pipe in the embodiment of the present invention 3
Figure；
Fig. 5 is liquid metal incoming flow pipe and the internal and external casing structural representation of liquid metal backflow pipe in the embodiment of the present invention 3
Figure；
Fig. 6 is a kind of structural representation of radiator in the embodiment of the present invention 3；
Fig. 7 is a kind of structural representation of antenna body in the embodiment of the present invention 4；
Fig. 8 is a kind of structural representation of antenna body in the embodiment of the present invention 5；
Fig. 9 is a kind of structural representation for being electrically isolated device in the embodiment of the present invention 6；
Figure 10 is a kind of structural representation of the reconfigurable antenna based on liquid metal in the embodiment of the present invention 7；
Figure 11 is a kind of structural representation of the reconfigurable antenna based on liquid metal in the embodiment of the present invention 7；
Description of reference numerals
1- antenna bodies；1.1- substrate；1.2- liquid metals input port；1.3- liquid metal delivery outlets；1.4- liquid gold
Belong to incoming flow pipe；1.5- liquid metal backflow pipes；1.6- bridge piece；1.7- sleeve pipe；2- liquid metals；3- liquid metals input
Pipe；4- liquid metal efferent ducts；5- feeding electrodes；6- transfer tubes；7- connecting pipes；8- radiators；8.1- is heat sink, 8.2- wings
Piece, 8.3- thermal interface material layers；9- is electrically isolated device；9.1- funnel；9.2- liquid bath；9.3- entrance；9.4- outlet；10- first
Temperature sensor；11- second temperature sensors；12- control units；13.1- the first liquid metal liquid pools；13.2- the second liquid
Metal reservoir；14.1- sleeves；14.2- dividing plates；14.3- push rods；14.4- handles；15.1- liquid metal incoming flow pipe；15.2- liquid
State metal reflow pipe；15.3- nuts；15.4- studs；15.5- top plates；15.6- spacing rings.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Following instance
For illustrating the present invention, but it is not limited to the scope of the present invention.
In the description of the invention, it is necessary to explanation, unless otherwise indicated, " multiple " be meant that two or two with
On；The orientation of the instruction such as term " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", " afterbody "
Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for describing purpose, and can not
It is interpreted as indicating or implying relative importance.
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.
Embodiment 1：
As shown in figure 1, a kind of reconfigurable antenna based on liquid metal provided for the present embodiment, including antenna body 1,
Transfer tube 6 and control unit 12.
The bottom of antenna body 1 is provided with liquid metal input port 1.2 and liquid metal delivery outlet 1.3.The first of transfer tube 6
End is connected by liquid metal input pipe 3 with liquid metal input port 1.2, and the second end of transfer tube 6 is exported by liquid metal
Pipe 4 is connected with liquid metal delivery outlet 1.3.
Antenna body 1, liquid metal input pipe 3 in liquid metal efferent duct 5 with being filled with liquid metal 2.And liquid gold
Category input pipe 3 is provided with feeding electrode 5, feeding electrode 5 and the liquid metal in pipeline close to one end of liquid metal input port 1.2
2 contacts.
Control unit 12 electrically connects with transfer tube 6, for controlling the operation of transfer tube 6, adjusts liquid gold in antenna body 1
The capacity of category 2, realize reconstruct.And liquid metal 2 is flowed out and will be with acting by liquid metal efferent duct 4 from antenna body 1
The heat of accumulation is taken to outside antenna body 1, completes radiating, is brought into liquid metal input pipe 3 by transfer tube 6 again afterwards, is opened
Begin next circulation.
Further, radiator 8 is additionally provided with the liquid metal efferent duct 4 in the present embodiment with being electrically isolated device 9.Specifically
, liquid metal efferent duct 4 connects liquid metal delivery outlet 1.3 and is sequentially connected electric isolution with being electrically isolated device 9, connecting pipe 7
Second end of device 9, radiator 8 and transfer tube 6.Wherein, the radiator 8 in the present embodiment is blade radiator.Such as Fig. 1 institutes
Show, multiple fins are interted on liquid metal efferent duct 4, area of dissipation is big, excellent effect.
Below by specific restructuring procedure, further detailed description.
Liquid metal 2 flows into the presence of transfer tube 6 from radiator 8 through connecting pipe 7, liquid metal input pipe 3
Into antenna body 1.Hollow part in antenna body 1 forms complete antenna after liquid metal 2 is filled with, and is presenting
In the presence of electrode 5, its function of receiving or launch electromagnetic wave is played, and produce heat.The temperature meeting when power is very big
Steeply rise, the heat band that liquid metal 2 is flowed out from antenna body 1 by liquid metal efferent duct 4 and will accumulated with acting
To outside antenna body 1.Liquid metal 2 is entered after liquid metal efferent duct 4 and electric isolution device 9 by connecting pipe 7
Enter into radiator 8, exchanged heat in radiator 8 with environment, temperature reduces.Liquid metal 2 is after temperature reduction again by transfer tube 6
Liquid metal input pipe 3 is brought into, starts next circulation.
Further, in the present embodiment, liquid metal input pipe 3, liquid metal efferent duct 4 are with connecting pipe 7 using firm
Property material, can also use flexible material when needing flexibly mobile or deformation.
The present embodiment provides a kind of reconfigurable antenna based on liquid metal, and the opening and closing of transfer tube is controlled by control unit
Or its power is adjusted, the capacity of liquid metal in antenna body is adjusted, reconstruct is realized, same electric wire is possessed kind of a multiple functions,
Antenna amount needed for reduction and species, communication system hardware cost is saved, and improve system flexibility；It is used as by liquid metal
Heat radiation working medium, the circulation power that transfer tube provides make liquid metal circulation work in antennas, and liquid metal height is in antenna body
Interior quick absorption heat production, and take heat out of antenna body, good heat dissipation effect using its mobility.Simultaneously, it is not necessary to set up list
Only cooling recirculation system, save space and cost, simplified communication system structure；By setting radiator increase radiating effect
Fruit；By setting electric isolution unit protection pipeline not to be short-circuited.
Embodiment 2：
The present embodiment is substantially the same manner as Example 1, brief for description, during the description of the present embodiment, no longer
Technical characteristic same as Example 1 is described, only illustrates the present embodiment difference from Example 1：
As shown in figure 1, antenna body 1 is provided with the first temperature sensor 10, radiator 8 is provided with second temperature sensor
11.First temperature sensor 10 and second temperature sensor 11 are connected with control unit 12.
In the present embodiment, the first temperature sensor 10 is by the temperature feedback of liquid metal 2 in antenna body 1 to control unit
12.Second temperature sensor 11 is by the temperature feedback of liquid metal 2 in radiator 8 to control unit 12.The basis of control unit 12
Feedack sends to transfer tube 6 and instructed, and controls it to be opened and closed or adjust its power, adjusts the temperature of antenna body 1 to properly
Scope, realize closed-loop control.
Embodiment 3：
The present embodiment is substantially the same manner as Example 1, brief for description, during the description of the present embodiment, no longer
Technical characteristic same as Example 1 is described, only illustrates the present embodiment difference from Example 1：
As shown in Fig. 2 antenna body 1 includes liquid metal incoming flow pipe 1.4 and liquid metal backflow pipe 1.5.Further,
In the present embodiment, antenna body also includes substrate 1.1.Substrate 1.1 above have side by side two through holes (liquid metal input port 1.2,
Liquid metal delivery outlet 1.3).The lower end port of liquid metal incoming flow pipe 1.4 passes through liquid metal delivery outlet 1.3 and liquid metal
Input pipe 3 is connected；The lower end port of liquid metal backflow pipe 1.5 passes through liquid metal delivery outlet 1.3 and liquid metal efferent duct 4
It is connected, the upper end port of liquid metal incoming flow pipe 1.4 and the upper end port of liquid metal backflow pipe 1.5 pass through bridge piece 1.6
It is connected.Liquid metal input pipe 3 is connected with the first end of transfer tube 6, and liquid metal efferent duct 4 is connected with being electrically isolated device 9.
Further, sleeve pipe 1.7, protection are set in the outside of liquid metal incoming flow pipe 1.4 and liquid metal backflow pipe 1.5
Antenna body 1.
As shown in Figure 2,3, antenna body 1 is linear structure, or meander line structure；Further, antenna body 1 also may be used
For arcuate structure.
As shown in Figure 4,5, liquid metal incoming flow pipe 1.4 and liquid metal backflow pipe 1.5 are dual-pipe parallel structure or inside and outside
Sleeve structure.
As shown in fig. 6, radiator 8 includes in the present embodiment：Heat sink 8.1 with fin 8.2.Fin 8.2 is located at heat sink 8.1
On, connecting pipe 7 is embedded in heat sink 8.1, in pipeline 7 and heat sink 8.1 contact position filled with the high thermal interfacial material of thermal conductivity
8.3, reduce space, enhancing radiating.Heat sink 8.1 and pipeline 7 contact area increase, heat is more evenly distributed to heat sink
On 8.1, and radiated rapidly using fin 8.2.
Embodiment 4：
The present embodiment is substantially the same manner as Example 3, brief for description, during the description of the present embodiment, no longer
Technical characteristic same as Example 3 is described, only illustrates the present embodiment difference from Example 1：
As shown in fig. 7, antenna body, which also includes substrate 1.1, stud 15.4 and top plate 15.5, stud 15.4, is located at substrate
On 1.1, top plate 15.5 is located at the upper end of stud 15.4, and is threadedly coupled with stud 15.4, and top plate 15.5 can be along stud 15.4
Lower movement, liquid metal incoming flow pipe 15.1 and the spiral of liquid metal backflow pipe 15.2 are arranged between top plate 15.5 and substrate 1.1
Stud on 15.4.
Liquid metal 2 enters liquid metal incoming flow pipe 15.1, liquid metal incoming flow pipe 15.1 through liquid metal input port 1.2
Top is connected by bridge piece 1.6 with liquid metal backflow pipe 15.2, and liquid metal 2 passes through liquid metal backflow pipe 15.2,
Antenna body is flowed out from the delivery outlet 1.3 of liquid metal 2.By spanner nutting 15.3, make nut 15.3 downward along stud 15.4
Top plate 15.5 is promoted, top plate 15.5 promotes liquid metal incoming flow pipe 1.4 to be compressed with liquid metal backflow pipe 1.5, and its pitch reduces,
Antenna body 1 realizes reconstruct；It is conversely, as the same.
Further, in the present embodiment, the bottom surface of top plate 15.5 is provided with spacing ring 15.6, prevent liquid metal incoming flow pipe 1.4 with
The play of liquid metal backflow pipe 1.5 or so.
Embodiment 5：
The present embodiment is substantially the same manner as Example 1, brief for description, during the description of the present embodiment, no longer
Technical characteristic same as Example 1 is described, only illustrates the present embodiment difference from Example 1：
As shown in figure 8, antenna body 1 is sleeve 14.1, liquid metal input port 1.2 and liquid metal delivery outlet 1.3 are set
In the bottom surface of sleeve 14.1, and the radius of liquid metal delivery outlet 1.2 is less than the radius of liquid metal input port 1.3, sleeve
The dividing plate 14.2 that can be slided up and down along sleeve 14.1 is provided with 14.1.Further, dividing plate 14.2 is provided with push rod 14.3, push rod
14.3 upper end is provided with handle 14.4.
Push rod 14.3 is initially positioned at the bottom of sleeve 14.1, and liquid metal 2 is pumped into sleeve 14.1 by transfer tube 6, and from
Liquid metal delivery outlet 1.3 flows out, and forms flow circuit.Because the bore of liquid metal delivery outlet 1.3 is defeated less than liquid metal
The radius of entrance 1.3, so unnecessary liquid metal 2 jacks up dividing plate 14.2, after liquid level reaches specified altitude assignment, by push rod 14.3
Fixed, i.e., dividing plate 14.2 is fixed, and flows into the dynamic equilibrium of liquid metal 2 of antenna body 1 afterwards.Handle 14.4 facilitates human hand to hold
Or fixture clamping.
Further, sleeve 14.1 and dividing plate 14.2 use corrosion resistant rigid material, such as aluminium oxide ceramics.
In the present embodiment, by changing the capacity of liquid metal in sleeve, and then the length of dividing plate control antenna is promoted, it is real
Now reconstruct.
Embodiment 6：
The present embodiment is substantially the same manner as Example 1, brief for description, during the description of the present embodiment, no longer
Technical characteristic same as Example 1 is described, only illustrates the present embodiment difference from Example 1：
As shown in figure 9, being electrically isolated device 9 employs hopper design, including liquid bath 9.2 and the funnel in liquid bath 9.2
9.1, the bottom of liquid bath 9.2 is provided with the outlet 9.4 being connected with transfer tube 6, upper opening and the liquid metal delivery outlet of funnel 9.1
1.3 connection.In the present embodiment, entrance 9.3, entrance 9.3 and liquid metal are offered positioned at the side wall of the liquid bath 9.2 on funnel top
Delivery outlet 1.3 connects.
Further, outlet 9.4 is less than the bottom surface of liquid bath 9.2, is easy to liquid.
In the present embodiment, funnel by the liquid metal in pipeline by continuously becoming in order to discrete, between the drop of one one
Not in contact with it is achieved thereby that electric isolution, protects pipeline not to be short-circuited, equivalent to one electric capacity of its resistance infinity.
Embodiment 7：
The present embodiment is substantially the same manner as Example 6, brief for description, during the description of the present embodiment, no longer
Technical characteristic same as Example 6 is described, only illustrates the present embodiment difference from Example 1：
As shown in Figure 10, being electrically isolated device 9 includes the first liquid metal pool 13.1 and the second liquid metal pool 13.2, and first
Liquid metal pool 13.1 is connected with transfer tube, and the second liquid metal pool 13.2 is connected with radiator 8.
With the first liquid metal pool 13.1 and the second liquid metal pool 13.2 come instead of in embodiment 6 in the present embodiment
Device 9 is electrically isolated, structure is more simple, and production is more convenient.
Further, transfer tube 6 is two-way pump.Due to the first liquid metal pool 13.1 and the second liquid metal pool 13.2
Limited volume, liquid metal in the first liquid metal liquid pool 13.1 are reached after certain maximum height limit, it is necessary to by transfer tube 6
Reversed operation, it is that antenna body 1 provides liquid metal by the second liquid metal liquid pool 13.2.
As shown in figure 11, in order to further simplify structure, radiator 8 is removed in the present embodiment, directly in the first liquid
The periphery increase fin 13.3 of the liquid metal pool 13.2 of metal pool 13.1 and second, it can equally reach the effect of enhancing radiating.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
1. a kind of reconfigurable antenna based on liquid metal, it is characterised in that including antenna body, transfer tube and control unit；
Wherein, the bottom of the antenna body is provided with liquid metal input port and liquid metal delivery outlet, the first end of the transfer tube
It is connected by liquid metal input pipe with the liquid metal input port, the second end of the transfer tube is exported by liquid metal
Pipe is connected with the liquid metal delivery outlet, is filled in the antenna body, liquid metal input pipe and liquid metal efferent duct
There is liquid metal, and the antenna body leans on close to one end of the liquid metal input port, or, the liquid metal input pipe
One end of the nearly liquid metal input port is provided with feeding electrode, the feeding electrode and the liquid metal contacts in pipeline；Institute
State control unit to electrically connect with the transfer tube, for controlling the operation of the transfer tube, adjust liquid in the antenna body
The capacity of metal, realize reconstruct.
2. reconfigurable antenna according to claim 1, it is characterised in that the antenna body includes liquid metal incoming flow pipe
With liquid metal backflow pipe, the upper end port of the liquid metal incoming flow pipe and the upper end port of the liquid metal backflow pipe connect
Logical, the lower end port of the liquid metal incoming flow pipe is connected by the first end of the liquid metal input pipe and transfer tube, institute
The lower end port for stating liquid metal backflow pipe is connected by the second end of the liquid metal efferent duct and transfer tube.
3. reconfigurable antenna according to claim 2, it is characterised in that the liquid metal incoming flow pipe is returned with liquid metal
Flow tube is dual-pipe parallel structure or internal and external casing structure.
4. reconfigurable antenna according to claim 3, it is characterised in that the antenna body also include substrate, stud with
Top plate, for the stud on the substrate, the top plate is located at the upper end of the stud, and is threadedly coupled with the stud,
The top plate can move up and down along the stud, and the liquid metal incoming flow pipe is arranged at described with liquid metal backflow pipe spiral
On stud between top plate and substrate.
5. reconfigurable antenna according to claim 1, it is characterised in that the antenna body is sleeve, the liquid gold
Belong to input port and liquid metal delivery outlet is located at the bottom surface of the sleeve, and the radius of the liquid metal delivery outlet is less than described
The radius of liquid metal input port, the sleeve is interior to be provided with the dividing plate that can be slided up and down along the sleeve.
6. reconfigurable antenna according to claim 1, it is characterised in that the antenna body is provided with the first TEMP
Device, for measuring the temperature of liquid metal in the antenna body, first temperature sensor is connected with described control unit.
7. according to the reconfigurable antenna described in claim any one of 1-6, it is characterised in that set on the liquid metal efferent duct
There is radiator.
8. reconfigurable antenna according to claim 7, it is characterised in that the radiator senses provided with second temperature
Device, for measuring the temperature of liquid metal in the radiator, the second temperature sensor is connected with described control unit.
9. according to the reconfigurable antenna described in claim any one of 1-6, it is characterised in that set on the liquid metal efferent duct
There is electric isolution device, the electric isolution device includes liquid bath and the funnel in the liquid bath, and the bottom of the liquid bath is provided with
The outlet being connected with the transfer tube, the upper opening of the funnel are connected with the liquid metal delivery outlet.
10. according to the reconfigurable antenna described in claim any one of 1-6, it is characterised in that on the liquid metal efferent duct
Provided with device is electrically isolated, the electric isolution device includes the first liquid metal pool and the second liquid metal pool, first liquid
Metal pool is connected with the transfer tube, and second liquid metal pool is connected with the liquid metal delivery outlet.
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| CN201710524445.3A CN107464982B (en) | 2017-06-30 | 2017-06-30 | Reconfigurable antenna based on liquid metal |
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| CN201710524445.3A CN107464982B (en) | 2017-06-30 | 2017-06-30 | Reconfigurable antenna based on liquid metal |
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| CN107464982B CN107464982B (en) | 2020-08-11 |
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| CN109244649A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院理化技术研究所 | reconfigurable antenna |
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| CN109411899A (en) * | 2018-11-19 | 2019-03-01 | 南京邮电大学 | A kind of liquid metal wave absorbing device based on gravitational field regulation |
| CN110828980A (en) * | 2018-08-09 | 2020-02-21 | 中国科学院理化技术研究所 | Liquid metal reconfigurable antenna and reconfiguration method thereof |
| CN110828981A (en) * | 2018-08-09 | 2020-02-21 | 中国科学院理化技术研究所 | Liquid metal reconfigurable antenna and antenna array |
| CN111509394A (en) * | 2020-03-23 | 2020-08-07 | 西安电子科技大学 | Liquid metal-based frequency selection device with reconfigurable heat dissipation frequency |
| CN112444325A (en) * | 2020-11-16 | 2021-03-05 | 珠海格力电器股份有限公司 | Body temperature monitoring method and device, electronic equipment and storage medium |
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| CN110828980B (en) * | 2018-08-09 | 2021-10-29 | 中国科学院理化技术研究所 | A liquid metal reconfigurable antenna and its reconfiguration method |
| CN110828981A (en) * | 2018-08-09 | 2020-02-21 | 中国科学院理化技术研究所 | Liquid metal reconfigurable antenna and antenna array |
| CN110828980A (en) * | 2018-08-09 | 2020-02-21 | 中国科学院理化技术研究所 | Liquid metal reconfigurable antenna and reconfiguration method thereof |
| CN109244648A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院理化技术研究所 | Reconfigurable antenna and microstrip antenna |
| CN109288488A (en) * | 2018-09-21 | 2019-02-01 | 中国科学院理化技术研究所 | Capsule Antenna and Capsule Endoscopy Robot |
| CN109244649A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院理化技术研究所 | reconfigurable antenna |
| CN109244648B (en) * | 2018-09-21 | 2023-11-07 | 中国科学院理化技术研究所 | Reconfigurable antennas and microstrip antennas |
| CN109244649B (en) * | 2018-09-21 | 2023-10-13 | 中国科学院理化技术研究所 | reconfigurable antenna |
| CN109411899A (en) * | 2018-11-19 | 2019-03-01 | 南京邮电大学 | A kind of liquid metal wave absorbing device based on gravitational field regulation |
| CN109411899B (en) * | 2018-11-19 | 2021-05-04 | 南京邮电大学 | Liquid metal wave absorber based on gravity field regulation and control |
| CN111509394B (en) * | 2020-03-23 | 2021-01-19 | 西安电子科技大学 | Liquid metal-based frequency selection device with reconfigurable heat dissipation frequency |
| CN111509394A (en) * | 2020-03-23 | 2020-08-07 | 西安电子科技大学 | Liquid metal-based frequency selection device with reconfigurable heat dissipation frequency |
| CN112444325A (en) * | 2020-11-16 | 2021-03-05 | 珠海格力电器股份有限公司 | Body temperature monitoring method and device, electronic equipment and storage medium |
| CN112444325B (en) * | 2020-11-16 | 2021-10-15 | 珠海格力电器股份有限公司 | Body temperature monitoring method and device, electronic equipment and storage medium |
| CN112928471A (en) * | 2021-01-21 | 2021-06-08 | 维沃移动通信有限公司 | Electronic device and antenna switching method |
| CN112928471B (en) * | 2021-01-21 | 2024-02-27 | 维沃移动通信有限公司 | Electronic equipment and antenna switching method |
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