CN108470971A - It is a kind of have can continuous frequency modulation performance origami structure dipole antenna - Google Patents
It is a kind of have can continuous frequency modulation performance origami structure dipole antenna Download PDFInfo
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- CN108470971A CN108470971A CN201810268680.3A CN201810268680A CN108470971A CN 108470971 A CN108470971 A CN 108470971A CN 201810268680 A CN201810268680 A CN 201810268680A CN 108470971 A CN108470971 A CN 108470971A
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- antenna
- panel
- coaxial
- hole
- antenna substrate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/12—Resonant antennas
- H01Q11/20—V-antennas
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to it is a kind of have can continuous frequency modulation performance origami structure dipole antenna, belong to frequency reconfigurable antenna field.The tunable antenna of the present invention, including antenna substrate, antenna arm, coaxial feeder, radio frequency (RF) coaxial connector, driving device and RF signal projectors；The antenna substrate includes panel and the folding line being mutually parallel processed on panel；Two strip antenna arms symmetrically cement in the upside plate face of antenna substrate, and per the initiating terminal of strip antenna arm, edge extends out to face plate edge perpendicular to doubling direction from coaxial feeder cable-through hole；Driving device drives each small panel of antenna substrate angularly to bend；The upper end of two coaxial feeders passes through antenna substrate, welds be connected with the initiating terminal of two strip antenna arms respectively；The lower end of two coaxial feeders is connected with RF signal projectors respectively by radio frequency (RF) coaxial connector.The present invention tunable antenna by continuously adjust matrix bending angle, it can be achieved that antenna continuous frequency modulation.
Description
Technical field
The present invention relates to it is a kind of have can continuous frequency modulation performance origami structure dipole antenna, belong to frequency reconfigurable day
Line field.
Background technology
Currently, various modern times wireless information systems just fly towards multiband, multipolarization, multi-functional and comprehensive integration direction
Speed development.Identical platform usually requires to carry dozens of radio subsystem, such as LF communication, satellite communication, global location, gas
As radar, surveillance radar, fire control radar and answering machine etc..The function of subsystems is different, needs to increase antenna
Quantity receives and dispatches the electromagnetic wave of different frequency.However, the increase of antenna amount can not only increase cost, weight, power consumption and radar
Scattering section, the problems such as also inevitably resulting from electromagnetic interference and electromagnetic compatibility.The appearance of reconfigurable antenna technology, for solution
Certainly these problems provide a kind of completely new thinking.[the research and its answering in time reversal system that clock builds reconfigurable antennas
With [D] University of Electronic Science and Technology, 2016.] control mode of frequency reconfigurable antenna can substantially be divided into following a few classes at present：It adopts
With lamped element, change material equivalent parameters, mechanically change antenna structure.[frequencies of the Sheng Lili based on Meta Materials
Rate reconfigurable antenna is studied and design [D] University of Electronic Science and Technology, and 2016.]
Although tunable antenna has developed more mature, current frequency reconfigurable antenna usually uses power electricity
The break-make of subcomponent controls the electrical length of antenna, controls the working frequency of antenna with this, electronic component in this control strategy
It is integrated with antenna and will produce obvious parasitic radiation effect, and this negative effect can be non-with increasing for bay
Linear amplification seriously affects the performance of array antenna；Secondly, the controling circuit structure of electronic device is considerably complicated, and design is difficult
Higher is spent, and occupied space is excessive, is unfavorable for miniaturization and the antenna array control of antenna；And this method can only realize that segmentation is adjusted
Frequently.
Invention content
The invention aims to solve, Conventional tunable frequency antenna negative effect is big, influences the performance of antenna, control structure
It is complicated, be unfavorable for minimizing, and the problems such as cannot achieve continuous frequency modulation, provide thus it is a kind of have can continuous frequency modulation performance folding
Paper structure dipole antenna.
The purpose of the present invention is what is be achieved through the following technical solutions.
The present invention it is a kind of have can continuous frequency modulation performance origami structure dipole antenna, including antenna substrate, antenna
Arm, coaxial feeder, radio frequency (RF) coaxial connector, driving device and RF signal projectors；
The antenna substrate includes panel and the folding line processed on panel, and being provided with coaxial feeder in the middle part of panel crosses line
Hole is respectively symmetrily processed with two or more the folding lines being mutually parallel on the panel of coaxial feeder cable-through hole both sides, formed it is multiple can phase
The small panel mutually bent, and each small panel being equal in length along folding line vertical direction；
Two width, the antenna arm being equal in length symmetrically cement in the upside plate face of antenna substrate, per strip antenna arm
Initiating terminal edge from coaxial feeder cable-through hole extends out to face plate edge perpendicular to doubling direction；
The driving device includes centralized positioning pipe, sliding sleeve, link mechanism；It is provided with centered on centralized positioning pipe and coaxial feed
Line outer diameter matches the tube-like piece of cable-through hole；Sliding sleeve is the cylindrical part that internal diameter matches with centralized positioning pipe outside diameter, sliding sleeve
Side wall radial symmetric is opened there are two hinge hole；Link mechanism includes long connecting rod and short connecting rod, is hinged on two long connecting rods equidistant
The short connecting rod of distribution；
Centralized positioning pipe is vertically fixed on the lower section of antenna substrate central panel, and makes the cable-through hole and day of centralized positioning pipe
Coaxial feeder cable-through hole axis in the middle part of line base panel is consistent；Sliding sleeve is socketed on the outside of centralized positioning pipe, two axis of sliding sleeve
Connection hole is respectively articulated with two root long connecting rods of link mechanism, link mechanism and plate cementation below antenna substrate, when on sliding sleeve
When lower movement, link mechanism drives each small panel of antenna substrate angularly to bend；During the upper end of two coaxial feeders passes through
The coaxial feeder cable-through hole of heart positioning pipe and antenna substrate welds with the initiating terminal of two strip antenna arms be connected respectively；Two coaxial
The lower end of feeder line is connected with two output ports of RF signal projectors respectively by radio frequency (RF) coaxial connector, and setting RF signals are sent out
The phase of output signal difference of emitter two-port is 180 °.
The antenna substrate preferably use that 3D printing technique is process using VeroWhite materials as panel,
TangoBlack materials are the foldable structure of folding line.
The antenna arm uses two-sided conductive copper adhesive tape.
The course of work
The sliding sleeve controlled the driving device slides into the top of centralized positioning pipe, and antenna substrate is made to be in horizontal development state
When, the electrical length longest of antenna arm, antenna are worked with minimum frequency at this time, when needing to change frequency, are controlled the driving device
Sliding sleeve makes the facet of antenna substrate coaxial feeder cable-through hole both sides along centralized positioning pipe slide downward by hinged each connecting rod
Plate angularly synchronizes symmetrical bending along folding line, and two strip antenna arms is made to be respectively formed two equal angular V-structures, on antenna arm
Electric current can be analyzed to the two parts for being parallel and perpendicular to center small panel, be located at two of two pieces of small panels in V-structure
Section antenna arm perpendicular to the direction of center small panel current component on the contrary, this portion of electrical current formed electromagnetic wave supported at far field
Disappear, be equal to the electrical length for reducing antenna, the working frequency of antenna is made to increase；When antenna substrate coaxial feeder cable-through hole both sides
Panel along folding line synchronize bending angle it is bigger, the vertical component for constituting the electric current on two sections of antenna arms of V-structure is bigger,
The electromagnetic wave offset at far field is more, and the frequency of antenna is higher.Due to antenna substrate bending angle can consecutive variations, so
The antenna can realize the consecutive variations of working frequency.
Advantageous effect
The tunable antenna of the present invention, it is simple in structure, easy to operate, be conducive to the Miniaturization Design of antenna；The present invention's
Tunable antenna by continuously adjust matrix bending angle, it can be achieved that antenna continuous frequency modulation.
Description of the drawings
Fig. 1 is the folded state front view of tunable antenna of the present invention；
Fig. 2 is the unfolded state vertical view of tunable antenna of the present invention；
Fig. 3 is antenna substrate unfolded state vertical view in tunable antenna of the present invention；
Fig. 4 is return loss test result of the obtained tunable antenna of the embodiment of the present invention under different folding angles；
In figure, 1- antenna arms；2- antenna substrates；3- coaxial feeders；4- panels；5- folding lines；6- driving devices；7-SMA is penetrated
Frequency coaxial connector.
Specific implementation mode
Present disclosure is described further with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
The present invention it is a kind of have can continuous frequency modulation performance origami structure dipole antenna, structure as shown in Figure 1, packet
Include antenna substrate 2, antenna arm 1, coaxial feeder 3, SMA radio frequency (RF) coaxial connectors 7, driving device 6 and RF signal projectors；
The antenna substrate 2 uses made of the printing of 350 printers of Stratasys companies Object with VeroWhite materials
Material is panel 4, the foldable structure that TangoBlack materials are folding line 5, and structure is as shown in Fig. 2, 4 overall structure size of panel is
40x140mm2, the center of panel 4 is provided with coaxial feeder cable-through hole, bore dia 3mm, the panel 4 of coaxial feeder cable-through hole both sides
On be respectively symmetrily processed with 3 folding lines being mutually parallel 5, folding line width is 2mm, and the vertical range between each folding line is
20mm；
The antenna arm 1 is using the two-sided conductive copper adhesive tape that two are width 10mm, length 68.5mm；Two strip antenna arms
Respectively the upside plate face of panel 4, every day are cemented in along extending outwardly perpendicular to 5 direction of folding line from coaxial feeder cable-through hole
The initiating terminal of line arm edge from coaxial feeder cable-through hole extends out to face plate edge perpendicular to doubling direction；
The driving device includes centralized positioning pipe, sliding sleeve, connecting rod；Be provided with centered on centralized positioning pipe with outside coaxial feeder
Diameter matches the tube-like piece of cable-through hole；Sliding sleeve is the cylindrical part that internal diameter matches with centralized positioning pipe outside diameter, the side wall of sliding sleeve
Radial symmetric is opened there are two hinge hole；It is hinged with two isometric long connecting rods, two root longs respectively at two axis connection holes of sliding sleeve
The length of connecting rod matches under antenna substrate unfolded state along the 1/2 of folding line vertical-direction length respectively；Two long connecting rods
Outermost end is respectively hinged with the first short connecting rod that a root long degree is less than small panel length, two long connecting rods, one away from outermost end small panel
A the second short connecting rod for being hinged with a root long degree more than small panel length and less than 2 times of small panel length, two long companies at length
The rotational plane of each hinge joint of bar is parallel；
Centralized positioning pipe is vertically fixed on the lower section of antenna substrate central panel, and makes the cable-through hole and day of centralized positioning pipe
Coaxial feeder cable-through hole axis in the middle part of line base panel is consistent；Sliding sleeve is socketed on the outside of centralized positioning pipe, two the first short companies
Edge cements in the outermost small panel lower face in antenna substrate both ends to bar perpendicular to doubling direction respectively, and makes two the first short companies
The hinge joint of bar and long connecting rod is respectively positioned on the outer ledge of antenna substrate；Two the second short connecting rod outer ends are more than small panel length
Part is respectively along in the small panel that doubling direction cements in antenna substrate center small panel both sides；
The upper end of two coaxial feeders pass through centralized positioning pipe and antenna substrate coaxial feeder cable-through hole, respectively with two
The initiating terminal welding conducting of antenna arm；The lower end of two coaxial feeders by radio frequency (RF) coaxial connector respectively with RF signal projectors
Two output ports be connected, setting RF signal projector two-ports phase of output signal difference be 180 °；
RF signal projectors use the E5071C model vector network analyzers of Keysight companies, to 1 gained of embodiment
The antenna arrived carries out the test of return loss S11 parameters simulations, and antenna substrate coaxial feeder cable-through hole two is controlled by driving device
The panel of side angularly synchronizes symmetrical bending along folding line, and it is 180 °, 120 °, 60 °, 20 ° to test the angles synchronous bending angle β respectively
When, the results are shown in Figure 4 by the return loss S11 of antenna.Working frequency corresponding to four kinds of states be respectively 0.98GHz,
1.01GHz, 1.26GHz, 1.78GHz, and S11 is in -10dB hereinafter, meet antenna launch requirements.
Claims (3)
1. it is a kind of have can continuous frequency modulation performance origami structure dipole antenna, it is characterized in that：Including antenna substrate, antenna
Arm, coaxial feeder, radio frequency (RF) coaxial connector, driving device and RF signal projectors；
The antenna substrate includes panel and the folding line processed on panel, coaxial feeder cable-through hole is provided in the middle part of panel, together
Two or more the folding lines being mutually parallel respectively are symmetrily processed on the panel of feeder shaft cable-through hole both sides, formation is multiple mutually to be bent
Small panel, and each small panel being equal in length along folding line vertical direction；
Two width, the antenna arm being equal in length symmetrically cement in the upside plate face of antenna substrate, per the starting of strip antenna arm
End edge from coaxial feeder cable-through hole extends out to face plate edge perpendicular to doubling direction；
The driving device includes centralized positioning pipe, sliding sleeve, link mechanism；Be provided with centered on centralized positioning pipe with outside coaxial feeder
Diameter matches the tube-like piece of cable-through hole；Sliding sleeve is the cylindrical part that internal diameter matches with centralized positioning pipe outside diameter, the side wall of sliding sleeve
Radial symmetric is opened there are two hinge hole；Link mechanism includes long connecting rod and short connecting rod, is hinged with and is equally spaced on two long connecting rods
Short connecting rod；
Centralized positioning pipe is vertically fixed on the lower section of antenna substrate central panel, and makes the cable-through hole and antenna base of centralized positioning pipe
The coaxial feeder cable-through hole axis of body middle panel is consistent；Sliding sleeve is socketed on the outside of centralized positioning pipe, two axis connections of sliding sleeve
Two root long connecting rods of articulated linkage mechanism, link mechanism and plate cementation below antenna substrate are distinguished at hole, when sliding sleeve is transported up and down
When dynamic, link mechanism drives each small panel of antenna substrate angularly to bend；The upper end of two coaxial feeders is fixed across center
The coaxial feeder cable-through hole of position pipe and antenna substrate welds with the initiating terminal of two strip antenna arms be connected respectively；Two coaxial feeders
Lower end be connected respectively with two output ports of RF signal projectors by radio frequency (RF) coaxial connector, be arranged RF signal projectors
The phase of output signal difference of two-port is 180 °.
2. it is as described in claim 1 it is a kind of have can continuous frequency modulation performance origami structure dipole antenna, it is characterized in that：Institute
It is panel, TangoBlack materials for folding line using VeroWhite materials to state that antenna substrate uses that 3D printing technique is process
Foldable structure.
3. it is as described in claim 1 it is a kind of have can continuous frequency modulation performance origami structure dipole antenna, it is characterized in that：Institute
It states antenna arm and uses two-sided conductive copper adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268680.3A CN108470971A (en) | 2018-03-29 | 2018-03-29 | It is a kind of have can continuous frequency modulation performance origami structure dipole antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268680.3A CN108470971A (en) | 2018-03-29 | 2018-03-29 | It is a kind of have can continuous frequency modulation performance origami structure dipole antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108470971A true CN108470971A (en) | 2018-08-31 |
Family
ID=63262179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810268680.3A Withdrawn CN108470971A (en) | 2018-03-29 | 2018-03-29 | It is a kind of have can continuous frequency modulation performance origami structure dipole antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108470971A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114390542A (en) * | 2020-10-16 | 2022-04-22 | 中国移动通信集团设计院有限公司 | Wireless network optimization device and optimization method |
-
2018
- 2018-03-29 CN CN201810268680.3A patent/CN108470971A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114390542A (en) * | 2020-10-16 | 2022-04-22 | 中国移动通信集团设计院有限公司 | Wireless network optimization device and optimization method |
| CN114390542B (en) * | 2020-10-16 | 2024-04-19 | 中国移动通信集团设计院有限公司 | Wireless network optimizing device and optimizing method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180831 |