CN107785653B - Spiral type vibrator antenna - Google Patents
Spiral type vibrator antenna Download PDFInfo
- Publication number
- CN107785653B CN107785653B CN201711220909.8A CN201711220909A CN107785653B CN 107785653 B CN107785653 B CN 107785653B CN 201711220909 A CN201711220909 A CN 201711220909A CN 107785653 B CN107785653 B CN 107785653B
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- China
- Prior art keywords
- antenna
- oscillator
- spiral
- vibrator
- spiral antenna
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- 239000002184 metal Substances 0.000 claims abstract description 41
- 239000004020 conductor Substances 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 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
- H01Q1/36—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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
Abstract
The invention discloses a spiral type element antenna in the field of wireless communication. The antenna adopts a symmetrical oscillator antenna type, a vibrator arm of a symmetrical oscillator is supported by a metal hollow strut with the same height on a metal bottom plate, the tail end of the vibrator arm is connected with a spiral antenna, and the spiral antenna is connected with the bottom plate to form a loop. The feeding type is as follows: the power divider is connected to a power divider which is divided into two paths and has a phase difference of 90 degrees through a cable, and then the power divider feeds power to the dipoles. The bottom plate is a circular metal bottom plate, and the height of the vibrator is about one half wavelength of the resonant frequency. With this form, a novel antenna excellent in electrical performance is obtained.
Description
Technical Field
The invention relates to a dipole antenna in the technical fields of communication, broadband direction finding, remote measurement, remote sensing and the like, in particular to an antenna combining the characteristics of a spiral antenna and a dipole antenna.
Background
At present, in the use of conventional antennas, the conventional antennas are mainly simple helical antennas or dipole antennas, and have characteristics in performance.
However, it is a significant task to study a helical element antenna with excellent performance in combination with the advantages of each of the helical antenna and the dipole antenna.
Disclosure of Invention
The invention aims to combine the advantages of a spiral antenna and a dipole antenna to obtain a novel antenna pattern, thereby achieving excellent electrical performance.
The technical scheme adopted by the invention is as follows:
the utility model provides a spiral oscillator antenna, includes ground plate and dipole antenna, the dipole antenna constitute by first oscillator and second oscillator, still include first spiral antenna and second spiral antenna, the top of first spiral antenna is connected with the outside end of first oscillator, the bottom of first spiral antenna is connected with the ground plate, the top of second spiral antenna is connected with the outside end of second oscillator, the bottom of second spiral antenna is connected with the ground plate, the inner conductor of feeder is connected with the inboard end of first oscillator, the outer conductor of feeder is connected with the inboard end of second oscillator.
Optionally, the device further comprises a first metal pillar and a second metal pillar, wherein the top end of the first metal pillar is connected with the inner side end of the first vibrator, the bottom end of the first metal pillar is connected with the grounding plate, the top end of the second metal pillar is connected with the inner side end of the second vibrator, and the bottom end of the second metal pillar is connected with the grounding plate.
Optionally, the antenna further comprises a third oscillator, a fourth oscillator, a third spiral antenna and a fourth spiral antenna; the first vibrator and the second vibrator are arranged in the same straight line, the third vibrator and the fourth vibrator are arranged in the same straight line, and the two straight lines are arranged in an orthogonal mode; the top of the third spiral antenna is connected with the outer side end of the third oscillator, the bottom of the third spiral antenna is connected with the grounding plate, the top of the fourth spiral antenna is connected with the outer side end of the fourth oscillator, the bottom of the fourth spiral antenna is connected with the grounding plate, the inner conductor of the feeder is connected with the inner side end of the third oscillator, and the outer conductor of the feeder is connected with the inner side end of the fourth oscillator.
Optionally, the device further comprises a third metal pillar and a fourth metal pillar, wherein the top end of the third metal pillar is connected with the inner side end of the third vibrator, the bottom end of the third metal pillar is connected with the grounding plate, the top end of the fourth metal pillar is connected with the inner side end of the fourth vibrator, and the bottom end of the fourth metal pillar is connected with the grounding plate.
Optionally, the first helical antenna, the second helical antenna, the third helical antenna and the fourth helical antenna are all quarter helical structures.
Compared with the background technology, the invention has the following advantages:
the invention adopts a symmetrical oscillator antenna type, a metal hollow strut with equal height supports an oscillator arm of a symmetrical oscillator on a metal bottom plate, the tail end of the oscillator arm is connected with a spiral, and the spiral is connected with the bottom plate to form a loop, so that the bandwidth and the gain are wide, and the volume is reduced by adopting the structure.
Drawings
Fig. 1 is a schematic diagram of a helical element antenna.
Fig. 2 is a side view of a helical element antenna.
Fig. 3 is a top view of a helical element antenna.
Fig. 4 is a schematic diagram of a helical element antenna (four arms).
Detailed Description
Referring to fig. 1 to 3, the helical dipole antenna of the present invention comprises a ground plate 1, a dipole antenna, a first helical antenna 6, a second helical antenna 7, a first metal pillar 2 and a second metal pillar 3, wherein the dipole antenna is composed of a first oscillator 4 and a second oscillator 5, the top end of the first helical antenna is connected with the outer side end of the first oscillator, the bottom end of the first helical antenna is connected with the ground plate, the top end of the second helical antenna is connected with the outer side end of the second oscillator, the bottom end of the second helical antenna is connected with the ground plate, the inner conductor of a feeder is connected with the inner side end of the first oscillator, and the outer conductor of the feeder is connected with the inner side end of the second oscillator; the top of the first metal support is connected with the inner side end of the first vibrator, the bottom of the first metal support is connected with the grounding plate, the top of the second metal support is connected with the inner side end of the second vibrator, and the bottom of the second metal support is connected with the grounding plate.
Further, as shown in fig. 4, the helical element antenna (four-arm) further includes a third element, a fourth element, a third helical antenna and a fourth helical antenna; the first vibrator and the second vibrator are arranged in the same straight line, the third vibrator and the fourth vibrator are arranged in the same straight line, and the two straight lines are arranged in an orthogonal mode; the top of the third spiral antenna is connected with the outer side end of the third oscillator, the bottom of the third spiral antenna is connected with the grounding plate, the top of the fourth spiral antenna is connected with the outer side end of the fourth oscillator, the bottom of the fourth spiral antenna is connected with the grounding plate, the inner conductor of the feeder is connected with the inner side end of the third oscillator, and the outer conductor of the feeder is connected with the inner side end of the fourth oscillator.
Optionally, the device further comprises a third metal pillar and a fourth metal pillar, wherein the top end of the third metal pillar is connected with the inner side end of the third vibrator, the bottom end of the third metal pillar is connected with the grounding plate, the top end of the fourth metal pillar is connected with the inner side end of the fourth vibrator, and the bottom end of the fourth metal pillar is connected with the grounding plate.
In an embodiment, the first helical antenna, the second helical antenna, the third helical antenna and the fourth helical antenna are all quarter-helical structures.
The feeding mode is as follows: the power divider is connected to a power divider which is divided into two paths and has a phase difference of 90 degrees through a cable, and then the power divider feeds power to the dipoles.
Brief working principle of the invention
The working principle of the spiral type element antenna is as follows: the characteristics of the spiral antenna and the dipole antenna are combined, the two antennas are fused together, the spiral antenna is connected to the tail end of the dipole antenna oscillator, the radiation length of the oscillator antenna can be increased, the volume of the oscillator is reduced, and the self-supporting function can be achieved. Finally, a novel helical element antenna with excellent electrical performance is obtained.
Claims (1)
1. The utility model provides a spiral oscillator antenna, includes ground plate and dipole antenna, the dipole antenna constitute its characterized in that by first oscillator and second oscillator: the antenna also comprises a first spiral antenna, a second spiral antenna, a first metal pillar, a second metal pillar, a third oscillator, a fourth oscillator, a third spiral antenna, a fourth spiral antenna, a third metal pillar and a fourth metal pillar;
the top end of the first spiral antenna is connected with the outer side end of the first oscillator, the bottom end of the first spiral antenna is connected with the grounding plate, the top end of the second spiral antenna is connected with the outer side end of the second oscillator, the bottom end of the second spiral antenna is connected with the grounding plate, the inner conductor of the feeder line is connected with the inner side end of the first oscillator, and the outer conductor of the feeder line is connected with the inner side end of the second oscillator;
the top end of the first metal support is connected with the inner side end of the first vibrator, the bottom end of the first metal support is connected with the grounding plate, the top end of the second metal support is connected with the inner side end of the second vibrator, and the bottom end of the second metal support is connected with the grounding plate;
the first vibrator and the second vibrator are arranged in the same straight line, the third vibrator and the fourth vibrator are arranged in the same straight line, and the two straight lines are arranged in an orthogonal mode; the top end of the third spiral antenna is connected with the outer side end of the third oscillator, the bottom end of the third spiral antenna is connected with the grounding plate, the top end of the fourth spiral antenna is connected with the outer side end of the fourth oscillator, the bottom end of the fourth spiral antenna is connected with the grounding plate, the inner conductor of the feeder is connected with the inner side end of the third oscillator, and the outer conductor of the feeder is connected with the inner side end of the fourth oscillator;
the top end of the third metal support is connected with the inner side end of the third vibrator, the bottom end of the third metal support is connected with the grounding plate, the top end of the fourth metal support is connected with the inner side end of the fourth vibrator, and the bottom end of the fourth metal support is connected with the grounding plate;
the first spiral antenna, the second spiral antenna, the third spiral antenna and the fourth spiral antenna are all of quarter-spiral structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711220909.8A CN107785653B (en) | 2017-11-29 | 2017-11-29 | Spiral type vibrator antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711220909.8A CN107785653B (en) | 2017-11-29 | 2017-11-29 | Spiral type vibrator antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107785653A CN107785653A (en) | 2018-03-09 |
| CN107785653B true CN107785653B (en) | 2024-02-06 |
Family
ID=61429974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711220909.8A Active CN107785653B (en) | 2017-11-29 | 2017-11-29 | Spiral type vibrator antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107785653B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999066591A1 (en) * | 1998-06-16 | 1999-12-23 | Sarantel Limited | Helix antenna |
| CN1338133A (en) * | 1998-12-29 | 2002-02-27 | 赛伦特尔有限公司 | An antenna |
| CN104701605A (en) * | 2015-01-14 | 2015-06-10 | 广东盛路通信科技股份有限公司 | Electric small-sized fractal monopole antenna |
| CN106898863A (en) * | 2015-12-21 | 2017-06-27 | 北京旋极星达技术有限公司 | It is a kind of new from phase shift four-arm spiral antenna |
| CN207441955U (en) * | 2017-11-29 | 2018-06-01 | 中国电子科技集团公司第五十四研究所 | A kind of screw type element antenna |
-
2017
- 2017-11-29 CN CN201711220909.8A patent/CN107785653B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999066591A1 (en) * | 1998-06-16 | 1999-12-23 | Sarantel Limited | Helix antenna |
| CN1338133A (en) * | 1998-12-29 | 2002-02-27 | 赛伦特尔有限公司 | An antenna |
| CN104701605A (en) * | 2015-01-14 | 2015-06-10 | 广东盛路通信科技股份有限公司 | Electric small-sized fractal monopole antenna |
| CN106898863A (en) * | 2015-12-21 | 2017-06-27 | 北京旋极星达技术有限公司 | It is a kind of new from phase shift four-arm spiral antenna |
| CN207441955U (en) * | 2017-11-29 | 2018-06-01 | 中国电子科技集团公司第五十四研究所 | A kind of screw type element antenna |
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| Publication number | Publication date |
|---|---|
| CN107785653A (en) | 2018-03-09 |
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