CN110098479A - Frequency reconfigurable quadrifilar helix antenna device - Google Patents
Frequency reconfigurable quadrifilar helix antenna device Download PDFInfo
- Publication number
- CN110098479A CN110098479A CN201910503847.4A CN201910503847A CN110098479A CN 110098479 A CN110098479 A CN 110098479A CN 201910503847 A CN201910503847 A CN 201910503847A CN 110098479 A CN110098479 A CN 110098479A
- Authority
- CN
- China
- Prior art keywords
- rotating disk
- arm
- pedestal
- spiral
- thick section
- 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.)
- Granted
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 208000020442 loss of weight Diseases 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- 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
- H01Q1/10—Telescopic elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- 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
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
Landscapes
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses frequency reconfigurable quadrifilar helix antenna device antennas in wireless communication field, a kind of frequency reconfigurable four-arm spiral antenna, including the pedestal as support unit, it is characterized by: being located at pedestal center vertically sets up telescopic rod, rotating disk is arranged in parallel with above pedestal, the telescopic rod passes through rotating disk and reserves hole location, and the top of rotating disk and telescopic rod is spirally connected；Circumferentially uniformly distributed there are four spiral arm on pedestal, each spiral arm is connected to the bottom surface of rotating disk around telescopic rod in the shape of a spiral；Each spiral arm includes thick section, thin segment, thick section is fixed on pedestal, thin segment is connected to rotating disk bottom surface, thick section inner cavity is the cavity for just accommodating thin segment, the bottom of the thin segment cooperates in thick section inner cavity, by rotation scale, can change the length of spiral arm, the frequency and directional diagram reconstructable for realizing antenna, finally obtain a kind of frequency reconfigurable four-arm spiral antenna of function admirable.
Description
Technical field
The present invention relates to a kind of frequency reconfigurable antenna of wireless communication technology field, specially a kind of feed passage length
Restructural four-arm spiral antenna.
Background technique
At present in circular polarization wide beam antenna in use, what is mainly used has microstrip antenna, helical antenna, cross vibration
The antenna forms such as sub-antenna.Microstrip antenna has structure simple, the low advantage of section, generallys use high dielectric constant printed board
Reduce Antenna aperture size, reach the requirement of broad beam, but will cause aerial loss increase in this way, the efficiency of antenna is lower, together
Time width wave beam microband antenna is influenced vulnerable to installation environment, and antenna radiation pattern is caused to deform.Cross-shaped oscillator antenna is as broad beam day
For line in use, antenna height is higher, while needing to increase circular polarisation network, equipment is relative complex.Helical antenna is as broad beam
For antenna in use, the form generallyd use is bifilar helical antenna or four-arm spiral antenna, bifilar helical antenna bandwidth characteristic is good,
But antenna height is higher, and four-arm spiral antenna height is low, and pattern characteristics are good, can carry out wave beam forming, but antenna as needed
Narrower bandwidth limits the application of four-arm spiral antenna.
Therefore, it is necessary for studying a kind of measure day of increase four-arm spiral antenna bandwidth.
Summary of the invention
It is an object of the invention to four-arm spiral antenna combination mechanical rotation devices, obtain a kind of four arms of frequency reconfigurable
Helical antenna, to broaden the bandwidth of four-arm spiral antenna.
The technical scheme adopted by the invention is as follows:
A kind of frequency reconfigurable four-arm spiral antenna is vertically set including the pedestal as support unit positioned at pedestal center
It is vertical to have telescopic rod, rotating disk is arranged in parallel with above pedestal, the telescopic rod passes through rotating disk and reserves hole location, rotating disk
It is spirally connected with the top of telescopic rod；
Circumferentially uniformly distributed on pedestal there are four spiral arms, and each spiral arm is in the shape of a spiral around telescopic rod
It is connected to the bottom surface of rotating disk；
Each spiral arm includes thick section, thin segment, and thick section is fixed on pedestal, and thin segment is connected to rotating disk bottom surface, in thick section
Chamber is the cavity for just accommodating thin segment, and the bottom of the thin segment cooperates in thick section inner cavity.
Further, the thick section, thin segment are all hollow cylinder, and the cavity of the cavity connection thin segment of thick section forms one
The variable feed chamber of path length.
Further, the corresponding opening of the bottom nozzle and pedestal of the thick section is connected, the thin segment top ports and rotating disk
Corresponding opening connect.
Further, it is fixed with pointer positioned at the top right angle of telescopic rod, pointer projects in parallel out, and pointer is located in rotating disk
Side, it is corresponding with pointer to be carved with scale on the rotating pan.
Further, the notch for loss of weight is symmetrically provided in rotating disk.
Further, the telescopic rod is made of lower beam and upper boom, and the upper boom coaxially slide is fitted in lower beam,
Lower beam slides up and down along the inner cavity of upper boom.
The present invention has the advantages that compared to conventional helical antenna with wide:
The broadband covering and multifrequency covering that the beamwidth of antenna is realized by the height change of height regulating rod, realize that single antenna can
Cover the application of multifrequency point communication system.
Being adapted to property of cavity length by changing spiral arm adjusts frequency range, and structure is simple and efficient.
Detailed description of the invention
Fig. 1 is the side view of frequency reconfigurable four-arm spiral antenna.
Fig. 2 is the top view of frequency reconfigurable four-arm spiral antenna.
Pedestal 1, thick section 2, thin segment 3, rotating disk 4, upper boom 5, lower beam 6.
Specific embodiment
As shown in Figure 1 and Figure 2, the present invention will be further described:
A kind of frequency reconfigurable four-arm spiral antenna is vertically set including the pedestal 1 as support unit positioned at pedestal center
Vertical to have telescopic rod, the telescopic rod is made of lower beam 6 and upper boom 5, and the upper boom coaxially slide is fitted in lower beam, lower beam
It is slid up and down along the inner cavity of upper boom.Rotating disk 4 is arranged in parallel with above pedestal, it is pre- that the telescopic rod passes through rotating disk
It boxes out position, the top of rotating disk and telescopic rod is spirally connected；；
As shown in Figure 1, circumferentially uniformly distributed on pedestal, there are four spiral arms, and each spiral arm is in the shape of a spiral
The bottom surface of rotating disk is connected to around telescopic rod；Each spiral arm includes thick section 2, thin segment 3, and thick section is fixed on pedestal, thin segment
It is connected to rotating disk bottom surface, thick section inner cavity is the cavity for just accommodating thin segment, and the bottom of the thin segment cooperates in thick section inner cavity
In, the thick section, thin segment are all hollow cylinder, and the cavity of the cavity connection thin segment of thick section forms what a paths length can be changed
Feed chamber.
For the good communication performance for guaranteeing product, the bottom nozzle of the thick section and the corresponding opening of pedestal are connected, described thin
The corresponding opening of section top ports and rotating disk is connected.
For convenient for frequency present after operator's identification adjustment, the top right angle positioned at telescopic rod is fixed with pointer,
Pointer projects in parallel out, and pointer is located above the rotating disk, corresponding with pointer to be carved with scale on the rotating pan, and it is right in rotating disk to be located at
Claim to be provided with the notch for loss of weight.
Brief working principle of the invention:
The working principle of this invention: frequency reconfigurable four-arm spiral antenna is by four retractable spiral arms, rotating scales
Disk and height regulating rod composition.Every spiral arm is made of the different thick section of thickness and thin segment spiral arm in four spiral arms, carefully
Thick section part and slidably can be inserted in section；It is height regulating rod among four helicals, height regulating rod is divided into two sections, under
Bar hollow belt groove, upper boom band protrusion are inserted into small bar, and lower beam top penetrates rotating scale center hole, and retractable spiral arm is thick
Section is fixed with antenna feeding network, and thin segment and rotating disk are fixed, and by rotating disk collocation adjustable height adjusting rod, can change spiral arm
Length, realize the frequency and directional diagram reconstructable of antenna, different spiral arm lengths are corresponding with Frequency Identification, pass through change
Antenna hoisting gear can control the resonance characteristic of antenna, finally obtain a kind of four arm spiral day of frequency reconfigurable of function admirable
Line.
By rotation scale, the length of spiral arm can be changed, realize the frequency and directional diagram reconstructable of antenna, different spiral shells
Jib length is corresponding with Frequency Identification；Antenna feeding network is the power-splitting phase shift networks such as one point four.
Claims (6)
1. a kind of frequency reconfigurable four-arm spiral antenna, including the pedestal as support unit, it is characterised in that: be located at pedestal just
In vertically set up telescopic rod, be arranged in parallel with rotating disk above pedestal, the telescopic rod passes through rotating disk preformed hole
The top of position, rotating disk and telescopic rod is spirally connected；
Circumferentially uniformly distributed there are four spiral arm on pedestal, each spiral arm is connected around telescopic rod in the shape of a spiral
To the bottom surface of rotating disk；
Each spiral arm includes thick section, thin segment, and thick section is fixed on pedestal, and thin segment is connected to rotating disk bottom surface, and thick section inner cavity is
The cavity of thin segment is just accommodated, the bottom of the thin segment cooperates in thick section inner cavity.
2. a kind of frequency reconfigurable four-arm spiral antenna according to claim 1, it is characterised in that: the thick section, thin
The cavity of Duan Douwei hollow cylinder, the cavity connection thin segment of thick section forms the variable feed chamber of a paths length.
3. a kind of frequency reconfigurable four-arm spiral antenna according to claim 1, it is characterised in that: the bottom end of the thick section
The corresponding opening of mouth and pedestal is connected, and the corresponding opening of the thin segment top ports and rotating disk is connected.
4. a kind of frequency reconfigurable four-arm spiral antenna according to claim 1, it is characterised in that: positioned at the top of telescopic rod
End right angle is fixed with pointer, and pointer projects in parallel out, and pointer is located above the rotating disk, corresponding with pointer to be carved on the rotating pan
Degree.
5. a kind of frequency reconfigurable four-arm spiral antenna according to claim 1, it is characterised in that: it is right in rotating disk to be located at
Claim to be provided with the notch for loss of weight.
6. a kind of frequency reconfigurable four-arm spiral antenna according to claim 1, it is characterised in that: the telescopic rod by
Lower beam and upper boom composition, the upper boom coaxially slide are fitted in lower beam, and lower beam slides up and down along the inner cavity of upper boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503847.4A CN110098479B (en) | 2019-06-11 | 2019-06-11 | Frequency reconfigurable four-arm helical antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503847.4A CN110098479B (en) | 2019-06-11 | 2019-06-11 | Frequency reconfigurable four-arm helical antenna device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110098479A true CN110098479A (en) | 2019-08-06 |
| CN110098479B CN110098479B (en) | 2024-02-09 |
Family
ID=67450732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910503847.4A Active CN110098479B (en) | 2019-06-11 | 2019-06-11 | Frequency reconfigurable four-arm helical antenna device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110098479B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106424A (en) * | 2019-12-06 | 2020-05-05 | 国网江苏省电力有限公司检修分公司 | Adjustable spiral ground penetrating radar antenna |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6154184A (en) * | 1998-06-30 | 2000-11-28 | Mitsubishi Denki Kabushiki Kaisha | Antenna apparatus for portable phones |
| CN1482831A (en) * | 2002-07-04 | 2004-03-17 | Multi-band helical antenna on multilayer substrate | |
| US9742058B1 (en) * | 2015-08-06 | 2017-08-22 | Gregory A. O'Neill, Jr. | Deployable quadrifilar helical antenna |
| US10020586B1 (en) * | 2017-07-07 | 2018-07-10 | The Florida International University Board Of Trustees | Segmented helical antenna with reconfigurable polarization |
| US20180205153A1 (en) * | 2017-01-13 | 2018-07-19 | The Florida International University Board Of Trustees | Origami-folded antennas and methods for making the same |
| CN109599653A (en) * | 2019-01-25 | 2019-04-09 | 西安星网天线技术有限公司 | A kind of portable circular polarized antenna |
| CN209730166U (en) * | 2019-06-11 | 2019-12-03 | 中国电子科技集团公司第五十四研究所 | Frequency reconfigurable quadrifilar helix antenna device |
-
2019
- 2019-06-11 CN CN201910503847.4A patent/CN110098479B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6154184A (en) * | 1998-06-30 | 2000-11-28 | Mitsubishi Denki Kabushiki Kaisha | Antenna apparatus for portable phones |
| CN1482831A (en) * | 2002-07-04 | 2004-03-17 | Multi-band helical antenna on multilayer substrate | |
| US9742058B1 (en) * | 2015-08-06 | 2017-08-22 | Gregory A. O'Neill, Jr. | Deployable quadrifilar helical antenna |
| US20180205153A1 (en) * | 2017-01-13 | 2018-07-19 | The Florida International University Board Of Trustees | Origami-folded antennas and methods for making the same |
| US10020586B1 (en) * | 2017-07-07 | 2018-07-10 | The Florida International University Board Of Trustees | Segmented helical antenna with reconfigurable polarization |
| CN109599653A (en) * | 2019-01-25 | 2019-04-09 | 西安星网天线技术有限公司 | A kind of portable circular polarized antenna |
| CN209730166U (en) * | 2019-06-11 | 2019-12-03 | 中国电子科技集团公司第五十四研究所 | Frequency reconfigurable quadrifilar helix antenna device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106424A (en) * | 2019-12-06 | 2020-05-05 | 国网江苏省电力有限公司检修分公司 | Adjustable spiral ground penetrating radar antenna |
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| Publication number | Publication date |
|---|---|
| CN110098479B (en) | 2024-02-09 |
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