CN107946749B - Symmetrical oscillator type omnidirectional antenna - Google Patents
Symmetrical oscillator type omnidirectional antenna Download PDFInfo
- Publication number
- CN107946749B CN107946749B CN201711383176.XA CN201711383176A CN107946749B CN 107946749 B CN107946749 B CN 107946749B CN 201711383176 A CN201711383176 A CN 201711383176A CN 107946749 B CN107946749 B CN 107946749B
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- lining pipe
- pipe
- connecting piece
- lining
- tube
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- 239000004020 conductor Substances 0.000 claims abstract description 19
- 230000005855 radiation Effects 0.000 claims description 15
- 230000003071 parasitic effect Effects 0.000 claims description 7
- 239000007769 metal material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a symmetrical vibration type omnidirectional antenna, which comprises a fixed sleeve and a plurality of symmetrical vibrators which are sequentially arranged; the dipoles comprise an insulating column, a first lining pipe, a first radiant tube, a first connecting piece, a second lining pipe, a second radiant tube and a second connecting piece; the second lining pipe of any dipole is connected with the first lining pipe of the adjacent dipole, and the second lining pipe of the first dipole is connected with the connector; the coaxial cable core wire sequentially passes through the inside of the second lining pipe, the through hole of the insulating column and the inside of the first lining pipe, and penetrates through the dipoles, and the tail end of the inner conductor of the coaxial cable core wire is electrically connected with the first connecting piece of the last dipoles. The antenna has the advantages of simple structure, good expansibility, wide frequency band and good roundness of the directional diagram; the gain is high, the size is small, and the same gain can be made shorter; the electronic dip angle of the directional diagram can be conveniently designed; can be grounded by direct current and has the function of lightning protection.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a dipole type omni-directional antenna.
Background
In order to improve the gain of the omnidirectional antenna, the number of vibrators is required to be increased, so that the length of the antenna is increased, the longer the length of the antenna is, the greater the transportation and installation difficulties are, the cost is high, and the key is that the reliability of the wind resistance and the like of the antenna designed with the same structural strength can be drastically reduced along with the increase of the length.
The existing antennas adopt a cross feed scheme, but have poor non-circularity of a directional diagram, low gain, narrow bandwidth and long length; some antennas adopt a parallel feed scheme, but the structure is complex; some antennas adopt a microstrip scheme, but the out-of-roundness is poor, so that a lot of extra designs are added for adjusting the out-of-roundness, and the cost and the complexity of products are increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a symmetrical vibration type omni-directional antenna.
The invention is realized by the following technical scheme: a dipole type omni-directional antenna comprises a connector and a plurality of dipoles which are sequentially arranged; the symmetrical oscillator comprises a first oscillator arm, an insulating column with a through hole in the first oscillator arm and a second oscillator arm; the first vibrator arm comprises a first lining pipe, a first radiation pipe and a first connecting piece sleeved at the end part of the first radiation pipe, and the first lining pipe is arranged in the first radiation pipe and is connected with the first connecting piece; the second vibrator arm comprises a second lining pipe, a second radiant tube and a second connecting piece sleeved at the end part of the second radiant tube, and the second lining pipe is arranged in the second radiant tube and is connected with the second connecting piece; the first connecting piece and the second connecting piece are sleeved on two sides of the insulating column respectively; the first lining pipe and the second lining pipe are made of metal materials and are hollow, the second lining pipe of any symmetrical oscillator is connected with the first lining pipe of the adjacent symmetrical oscillator, and the second lining pipe of the first symmetrical oscillator is connected with the connector; the coaxial cable also comprises a coaxial cable core wire; the coaxial cable core wire sequentially passes through the second inner lining pipe, the through hole of the insulating column and the inside of the first inner lining pipe, and penetrates through a plurality of dipoles, and the tail end of the inner conductor of the coaxial cable core wire is electrically connected with the first connecting piece of the last dipoles.
The through hole is formed in the center of the shaft face of the insulating column and penetrates through the two side faces, a step is arranged around the middle of the insulating column, and the first connecting piece and the second connecting piece touch the two side faces of the step respectively. The step of the insulating column can prevent the first vibrator arm from contacting with the second vibrator arm to have insulating performance, so that a pair of vibrators are formed.
The first lining pipe, the second lining pipe, the first radiant tube and the second radiant tube are all central symmetrical tubes; the first radiant tube and the second radiant tube are made of metal materials.
The outer diameter of the first lining pipe is coaxial with the inscribed circle of the first radiant tube, and the ratio of the diameter of the first lining pipe to the diameter of the first radiant tube is 1:2-1:3.5.
The space between the first lining pipe and the first radiant tube is filled with medium.
The outer diameter of the second lining pipe is coaxial with the inscribed circle of the second radiant tube, and the ratio of the diameter of the second lining pipe to the diameter of the second radiant tube is 1:2-1:3.5.
The space between the second liner tube and the second radiant tube is filled with air or other medium.
When the dipoles are arrayed, the first lining pipe and the second lining pipe of the adjacent dipoles form an integral design.
The dipoles are also provided with parasitic patches which are connected to any one of the dipole arms, the other end of which is arranged around the other dipole arm but not in contact with the latter.
The adapter is provided with a window, the first lining pipe is provided with an upper opening, the window is used for introducing a conductor with the wavelength length of 1/4 lambda into the inner conductor of the coaxial cable core wire to be connected with the outer surface of the opening of the first lining pipe, and lambda is the wavelength of the antenna; the adapter is also provided with a metal sheet for sealing the fenestration. The adapter is windowed and used for reinforcing the strength of the lining pipe after the opening; the inner conductor of the coaxial cable core wire is connected with the outer surface of the first inner lining pipe and used for short-circuiting and realizing direct current grounding.
Compared with the prior art, the invention has the advantages that: the antenna has the advantages of simple structure, good expansibility, wide frequency band and good roundness of the directional diagram; the gain is high, the size is small, and the same gain can be made shorter; the electronic dip angle of the directional diagram can be conveniently designed; can be grounded by direct current and has the function of lightning protection.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of the housing according to the embodiment of the present invention;
FIG. 3 is a schematic view of an embodiment of the present invention with the housing removed;
FIG. 4 is a cross-sectional view of FIG. 3 taken along the axial direction;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a schematic view of the structure of FIG. 4 at another angle;
FIG. 7 is a schematic view of another orientation of the present invention with the cover removed;
FIG. 8 is a partial enlarged view at B in FIG. 7;
fig. 9 is a schematic view of the connector mount of fig. 8 with the connector mount removed.
The meaning of the reference numerals in the figures: 1. a connector; 2. a connector mount; 3. an adapter; 4. a fixed sleeve; 5. an outer cover; 6. a top cover; 7. a coaxial cable core; 71. an inner conductor; 8. an insulating column; 81. a step; 9. a first liner tube; 10. a first radiant tube; 11. a first connector; 12. a second liner tube; 13. a second radiant tube; 14. a second connector; 15. parasitic patches.
Detailed Description
The present invention will be described in further detail with reference to the drawings and detailed description.
Examples
Referring to fig. 1 to 9, a symmetrical vibration type omni-directional antenna comprises a connector 1, a connector mounting seat 2 for mounting the connector 1, an adapter 3, a fixing sleeve 4, an outer cover 5, a top cover 6, a coaxial cable core wire 7 and a plurality of symmetrical vibrators which are sequentially arranged; one end of the coaxial cable core wire 7 passes through the connector mounting seat 2, and the other end passes through the adapter 3 and the dipoles; the connector mounting seat 2 is sleeved in the fixed sleeve 4; one end of the outer cover 5 is sleeved into the fixed sleeve 4, and the other end is sealed by the top cover 6; a plurality of dipoles are sequentially connected in the inner space of the outer cover 5 along the coaxial cable core wire 7; the symmetrical oscillator comprises a first oscillator arm, an insulating column 8 with a through hole in the first oscillator arm and a second oscillator arm; the first vibrator arm comprises a first lining pipe 9, a first radiant tube 10 and a first connecting piece 11 sleeved at the end part of the first radiant tube 10, and the first lining pipe 9 is arranged in the first radiant tube 10 and is connected with the first connecting piece 11; the second vibrator arm comprises a second lining pipe 12, a second radiant tube 13 and a second connecting piece 14 sleeved at the end part of the second radiant tube 13, and the second lining pipe 12 is arranged in the second radiant tube 13 and is connected with the second connecting piece 14; the first connecting piece 11 and the second connecting piece 14 are sleeved on two sides of the insulating column 8 respectively; the first lining pipe 9 and the second lining pipe 12 are made of metal materials and are hollow, the second lining pipe 12 of any symmetrical oscillator is connected with the first lining pipe 9 of the adjacent symmetrical oscillator, and the second lining pipe 12 of the first symmetrical oscillator is connected with the connector 1; the coaxial cable core wire 7 sequentially passes through the second lining pipe 12, the through hole of the insulating column 8 and the inside of the first lining pipe 9, and passes through a plurality of dipoles, and the tail end of the conductor 71 in the coaxial cable core wire 7 is electrically connected with the first connecting piece 11 of the last dipole.
The through hole is formed along the center of the axial surface of the insulating column 8 and penetrates through the two side surfaces, a step 81 is arranged around the middle of the insulating column 8, and the first connecting piece 11 and the second connecting piece 14 respectively touch the two side surfaces of the step 81. The step 81 of the insulating column 8 can prevent the first vibrator arm from contacting the second vibrator arm to have insulating properties, thereby forming a pair of vibrators.
The first lining pipe 9, the second lining pipe 12, the first radiant tube 10 and the second radiant tube 13 are all central symmetrical tubes; the first radiation pipe 10 and the second radiation pipe 13 are made of metal materials.
The outer diameter of the first lining pipe 9 is coaxial with the inscribed circle of the first radiant tube 10, and the ratio of the diameters of the first lining pipe 9 and the first radiant tube 10 is 1:2-1:3.5.
The space between the first lining tube 9 and the first radiant tube 10 is filled with air or other medium.
The outer diameter of the second lining tube 12 is coaxial with the inscribed circle of the second radiant tube 13, and the ratio of the diameters of the second lining tube 12 and the second radiant tube 13 is 1:2-1:3.5.
The space between second liner tube 12 and second radiant tube 13 is filled with a medium.
In the case of an array of several dipoles, the first liner tube 9 forms an integral design with the second liner tube 12 of an adjacent dipole.
The dipoles are further provided with parasitic patches 15, which parasitic patches 15 are connected to any one of the dipole arms, the other end of which is arranged around the other dipole arm but not in contact with the latter.
The adapter 3 is opened with a window, the second inner liner tube 12 is opened with an upper opening, the inner conductor 71 of the coaxial cable core wire 7 is led into a conductor with a wavelength length of 1/4 lambda at the window to be connected with the outer surface of the opening of the second inner liner tube 12, lambda is the wavelength of the antenna; the adapter 3 is also provided with a metal sheet for sealing the fenestration. The adapter 3 is windowed and used for reinforcing the strength of the lining pipe after the opening; the inner conductor 71 of the coaxial cable core 7 is connected to the outer surface of the second liner tube 12 for short-circuiting and dc grounding.
In this embodiment, the first lining tube 9 and the second lining tube 12 correspond to the outer conductors of the antenna feeder, the first lining tube 9 and the second lining tube 12 are necessarily hollow, the hollow interior is provided with a core wire, one end of the core wire inner conductor 71 is connected with the inner conductor 71 of the coaxial cable core wire 7 at the connector 1, then the coaxial cable core wire 7 sequentially penetrates into the adapter 3, the first lining tube 9 of the dipoles, the second lining tube 12, and finally, the end of the inner conductor 71 (corresponding to the inner conductor 71 of the antenna feeder) of the coaxial cable core wire 7 is electrically connected with the second connecting piece 14 of the last dipole, in this embodiment, two converters are arranged, one adapter 3 is connected with the mounting seat of the adapter 3, the other is the coaxial adapter 3, and the adapter 3 is connected with the outer conductor of the coaxial connector 1. The connector mounting seat 2 is provided with a plurality of hole sites, and the connector mounting seat 2 is connected with the fixed sleeve 4.
The foregoing detailed description is directed to embodiments of the invention which are not intended to limit the scope of the invention, but rather to cover all modifications and variations within the scope of the invention.
Claims (5)
1. A dipole omni-directional antenna, characterized by: the device comprises a connector (1), a connector mounting seat (2) for mounting the connector (1), an adapter (3) and a plurality of symmetrical vibrators which are sequentially arranged; the symmetrical oscillator comprises a first oscillator arm, an insulating column (8) with a through hole in the first oscillator arm and a second oscillator arm; the first vibrator arm comprises a first lining pipe (9), a first radiation pipe (10) and a first connecting piece (11) sleeved at the end part of the first radiation pipe (10), and the first lining pipe (9) is arranged in the first radiation pipe (10) and is connected with the first connecting piece (11); the second vibrator arm comprises a second lining pipe (12), a second radiation pipe (13) and a second connecting piece (14) sleeved at the end part of the second radiation pipe (13), and the second lining pipe (12) is arranged in the second radiation pipe (13) and is connected with the second connecting piece (14); The first connecting piece (11) and the second connecting piece (14) are sleeved on two sides of the insulating column (8) respectively; the first lining pipe (9) and the second lining pipe (12) are made of metal materials and are of hollow design, and the second lining pipe (12) of any symmetrical oscillator is connected with the first lining pipe (9) of the adjacent symmetrical oscillator; also comprises a coaxial cable core wire (7); the coaxial cable core wire (7) sequentially passes through a plurality of dipoles through the inside of the second lining tube (12), the through hole of the insulating column (8) and the inside of the first lining tube (9), and the tail end of the inner conductor (71) of the coaxial cable core wire (7) is electrically connected with the first connecting piece (11) of the last dipoles; the through hole is formed in the center of the shaft surface of the insulating column (8) and penetrates through the two side surfaces, a step (81) is arranged around the middle of the insulating column (8), and the first connecting piece (11) and the second connecting piece (14) respectively touch the two side surfaces of the step (81); the first lining pipe (9), the second lining pipe (12), the first radiation pipe (10) and the second radiation pipe (13) are all central symmetry pipes; the first radiation pipe (10) and the second radiation pipe (13) are made of metal materials; the outer diameter of the first lining pipe (9) is coaxial with the inscribed circle of the first radiant tube (10), and the ratio of the diameter of the first lining pipe (9) to the diameter of the first radiant tube (10) is 1:2-1:3.5; The dipole is also provided with a parasitic piece (15), the parasitic piece (15) is connected with any one of the dipole arms, and the other end of the parasitic piece is arranged around the other dipole arm but does not contact the other dipole arm; one end of the coaxial cable core wire (7) is penetrated through the connector mounting seat (2), and the other end of the coaxial cable core wire penetrates through the adapter (3) and a plurality of dipoles; the adapter (3) is provided with a window, the second inner liner tube (12) is provided with an upper opening, the window is used for introducing the inner conductor (71) of the coaxial cable core wire (7) into a section of conductor with the wavelength length of 1/4 lambda to be connected with the outer surface of the opening of the second inner liner tube (12), and lambda is the wavelength of an antenna; the adapter (3) is also provided with a metal sheet for sealing the fenestration.
2. The symmetric-vibrator-type omni-directional antenna according to claim 1, wherein: the space between the first lining tube (9) and the first radiant tube (10) is filled with a medium.
3. The symmetric-vibrator-type omni-directional antenna according to claim 1, wherein: the outer diameter of the second lining pipe (12) is coaxial with the inscribed circle of the second radiant tube (13), and the ratio of the diameter of the second lining pipe (12) to the diameter of the second radiant tube (13) is 1:2-1:3.5.
4. A symmetrical, vibrating, omni-directional antenna according to claim 3, wherein: the space between the second liner tube (12) and the second radiant tube (13) is filled with air or other medium.
5. The symmetric-vibrator-type omni-directional antenna according to claim 1, wherein: when a plurality of dipoles are arrayed, the first lining pipe (9) and the second lining pipe (12) of the adjacent dipoles form an integral design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711383176.XA CN107946749B (en) | 2017-12-20 | 2017-12-20 | Symmetrical oscillator type omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711383176.XA CN107946749B (en) | 2017-12-20 | 2017-12-20 | Symmetrical oscillator type omnidirectional antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107946749A CN107946749A (en) | 2018-04-20 |
| CN107946749B true CN107946749B (en) | 2024-08-02 |
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ID=61941947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711383176.XA Active CN107946749B (en) | 2017-12-20 | 2017-12-20 | Symmetrical oscillator type omnidirectional antenna |
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| Country | Link |
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| CN (1) | CN107946749B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786945B (en) * | 2019-03-18 | 2021-03-23 | 西安电子科技大学 | Low-profile vertical polarization unmanned aerial vehicle antenna |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203826544U (en) * | 2014-04-23 | 2014-09-10 | 王洪洋 | Double-frequency WiFi sleeve antenna |
| CN204257807U (en) * | 2014-11-11 | 2015-04-08 | 北京偶极通信设备有限责任公司 | Base station configuration antenna in upright arrangement |
| CN207800898U (en) * | 2017-12-20 | 2018-08-31 | 佛山科新锘通讯有限公司 | A kind of symmetrical dipole type omnidirectional antenna |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4369449A (en) * | 1981-06-01 | 1983-01-18 | Macdougall James B | Linearly polarized omnidirectional antenna |
| US6177911B1 (en) * | 1996-02-20 | 2001-01-23 | Matsushita Electric Industrial Co., Ltd. | Mobile radio antenna |
| US8314744B2 (en) * | 2010-08-20 | 2012-11-20 | Harris Corporation | Biconical dipole antenna including choke assemblies and related methods |
| CN103107413A (en) * | 2013-01-15 | 2013-05-15 | 佛山市粤海信通讯有限公司 | Vertical polarization unit and dual polarization omnidirectional antenna |
| CN204130706U (en) * | 2014-07-16 | 2015-01-28 | 深圳市维力谷无线技术有限公司 | A kind of dual polarization wideband high-gain wall hanging built-in aerial |
-
2017
- 2017-12-20 CN CN201711383176.XA patent/CN107946749B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203826544U (en) * | 2014-04-23 | 2014-09-10 | 王洪洋 | Double-frequency WiFi sleeve antenna |
| CN204257807U (en) * | 2014-11-11 | 2015-04-08 | 北京偶极通信设备有限责任公司 | Base station configuration antenna in upright arrangement |
| CN207800898U (en) * | 2017-12-20 | 2018-08-31 | 佛山科新锘通讯有限公司 | A kind of symmetrical dipole type omnidirectional antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107946749A (en) | 2018-04-20 |
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