CN108847520B - Combined vertical millimeter wave antenna - Google Patents
Combined vertical millimeter wave antenna Download PDFInfo
- Publication number
- CN108847520B CN108847520B CN201810654255.8A CN201810654255A CN108847520B CN 108847520 B CN108847520 B CN 108847520B CN 201810654255 A CN201810654255 A CN 201810654255A CN 108847520 B CN108847520 B CN 108847520B
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- antenna
- millimeter wave
- wave antenna
- vertical
- vertical millimeter
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses a combined vertical millimeter wave antenna, which comprises an antenna mounting bracket, wherein at least three vertical millimeter wave antennas with the same structure are mounted on the antenna mounting bracket, and the vertical millimeter wave antennas are distributed annularly; the vertical millimeter wave antenna comprises a cylindrical ceramic shell, an annular interlayer installation cavity is arranged in the cylindrical ceramic shell, and millimeter wave antenna patches are densely distributed on the side wall of the annular interlayer installation cavity. The vertical millimeter wave antennas are annularly arranged, so that the floor area is reduced, the receiving effect of the antennas is enhanced, and the millimeter waves in all directions can be comprehensively received; meanwhile, the vertical millimeter wave antenna comprises an infinite number of millimeter wave antenna patches, so that the receiving effect is greatly enhanced.
Description
Technical Field
The invention belongs to the technical field of communication and antennas, and particularly relates to a combined vertical millimeter wave antenna.
Background
At present, the reflecting surface in a rotational symmetry form is widely applied due to the convenient manufacture while ensuring the performance of the antenna, and the defects are as follows: part of the electromagnetic wave radiated by the reflecting surface enters the feed source, so that the impedance characteristic of the feed source is deteriorated, and in turn, a part of the electromagnetic wave can be shielded by more or less supporting structures of the feed source, so that the radiation efficiency of the antenna is reduced, and the gain of the reflecting surface antenna is influenced; in order to overcome the weakness of the reflecting surface antenna in a rotational symmetry mode, the offset reflecting surface antenna improves the structure of the reflecting surface, an elliptical part is cut from the rotational symmetry parabolic antenna by a cone, so that the offset parabolic antenna is obtained, the offset reflecting surface skillfully avoids the shielding of the feed source and a support rod thereof, thereby improving the side lobe level and the input standing wave characteristic of the feed source, but the asymmetry of the offset structure can cause the rise of the cross polarization level and the inclination of a wave beam, and the defect cannot be ignored particularly when the feed source needs to be out of focus to realize the scanning in a specified direction; in order to overcome the deficiency of the offset parabolic antenna, in practical use, the offset focal reflector antenna is generated by operating, namely, the feed source is offset to a certain distance, so that the beam can scan back and forth in a small angle range, the target is searched and tracked, and the deficiency lies in that: this directional pattern deterioration of the reflecting surface caused by defocus; and the signal source receiving points of the traditional parabolic antenna are all arranged in the concave surface, so that the gain effect of the convex surface on signal source receiving is neglected, and particularly when the concave surface can not be over against the signal source, the effect of the convex surface on receiving the signal source is wasted.
Meanwhile, for a narrow space, the distribution range of the antenna is limited, and the antenna is installed in a general way, so that space waste is caused, and an ideal receiving effect is difficult to achieve; since the antenna is in a working state for a long time and works at a high temperature for a long time, and is easy to damage, how to conveniently replace the damaged antenna becomes a design key point.
In summary, it is necessary to design a combined vertical millimeter wave antenna which greatly increases the antenna gain, saves the floor space, and is convenient to replace.
Disclosure of Invention
In order to solve the technical problems, the invention provides the combined vertical millimeter wave antenna which greatly increases the antenna gain, saves the occupied area and is convenient to replace.
The technical scheme of the invention is as follows:
the utility model provides a modular vertical form millimeter wave antenna, its main points are: the antenna comprises an antenna mounting bracket, wherein at least three vertical millimeter wave antennas with the same structure are mounted on the antenna mounting bracket, and the vertical millimeter wave antennas are distributed annularly;
the vertical millimeter wave antenna comprises a cylindrical ceramic shell, an annular interlayer installation cavity is arranged in the cylindrical ceramic shell, and millimeter wave antenna patches are densely distributed on the side wall of the annular interlayer installation cavity.
By adopting the scheme, the vertical millimeter wave antennas are annularly arranged, so that the floor area is reduced, the receiving effect of the antennas is enhanced, and the millimeter waves in all directions can be comprehensively received; meanwhile, the vertical millimeter wave antenna comprises an infinite number of millimeter wave antenna patches, so that the receiving effect is greatly enhanced.
Preferably, the two ends of the cylindrical ceramic shell are open, and a conductive paint coating is arranged on the inner wall of the cylindrical ceramic shell. Structure more than adopting, column ceramic package both ends opening is convenient cools off the antenna, also can not ponding simultaneously or filths such as dust to improve antenna receiving effect, set up the electromagnetic wave interference that conductive paint coating can effectual reduction come from the equidirectional, also can improve antenna receiving effect.
Preferably, the antenna mounting bracket is fixed in the cooling water tank, an antenna lifting turntable is mounted in the cooling water tank below the antenna mounting bracket, an annular lifting protrusion is arranged on the antenna lifting turntable, one side of the annular lifting protrusion is higher and the other side of the annular lifting protrusion is lower, and the annular lifting protrusion is in curved surface transition from the high to the bottom, and the lower end of each vertical millimeter wave antenna is supported on the annular lifting protrusion. Structure more than adopting, add appropriate amount cooling water in the cooling trough, because the protruding high one side of annular lift is low, when this annular lift is protruding to rotate along with antenna lift carousel, the vertical form millimeter wave antenna that supports on this annular lift is protruding will stretch out the cooling water gradually or fall into the cooling water according to the protruding height of annular lift to reach the purpose of cooling in proper order, also can not influence the receiving effect of antenna simultaneously.
Preferably, the antenna mounting bracket is provided with circumferentially distributed antenna mounting holes, the circumferentially distributed antenna mounting holes correspond to the annular lifting bulges, and the reliable mounting of the antenna can be ensured by the arrangement.
Preferably, the upper surface of the annular lifting bulge is provided with a guide groove, the lower end of the vertical millimeter wave antenna is positioned in the guide groove, and the guide groove is arranged to prevent the antenna from sliding out.
Preferably, a rotating shaft is installed in the center of the cooling water tank through a bearing, the rotating shaft penetrates out of the bottom of the cooling water tank, the antenna lifting turntable is installed on the rotating shaft above the bottom of the cooling water tank, a driven gear is installed on the rotating shaft below the bottom of the cooling water tank, the driven gear is meshed with a driving gear, and the driving gear is installed on an output shaft of a motor. By adopting the structure, the rotation of the antenna lifting turntable can be reliably realized, so that the antenna can be cooled well.
The invention has the beneficial effects that: compared with the prior art, the invention greatly improves the antenna gain, improves the network capacity and can greatly reduce the time delay; the antenna is arranged vertically, so that the signal receiving range is increased, and the occupied area of the antenna is saved; meanwhile, the antenna is convenient to replace by adopting a combined installation method.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of fig. 1 without the antenna mounting bracket 1 installed;
fig. 3 is a schematic full-section structural diagram of the vertical millimeter wave antenna 2 in fig. 1.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1, 2 and 3, a combined vertical millimeter wave antenna comprises an annular cooling water tank 3, wherein the cooling water tank 3 is supported on a water tank mounting bracket, a rotating shaft 6 is mounted in the center of the cooling water tank 3 through a bearing, the rotating shaft 6 penetrates out of the bottom of the cooling water tank 3, an antenna lifting turntable 4 is mounted on the rotating shaft 6 above the bottom of the cooling water tank 3, a driven gear 7 is mounted on the rotating shaft 6 below the bottom of the cooling water tank 3, the driven gear 7 is meshed with a driving gear 8, the driving gear 8 is mounted on an output shaft of a motor 9, and the driven gear 7, the driving gear 8 and the motor 9 are all supported on the water tank mounting bracket. As can also be seen from fig. 1 and 2, an annular lifting protrusion 5 is arranged on the antenna lifting turntable 4, one side of the annular lifting protrusion 5 is high and the other side is low, and the annular lifting protrusion is in curved surface transition from high to bottom, a guide groove 51 is arranged on the upper surface of the annular lifting protrusion 5, an antenna mounting bracket 1 is arranged above the annular lifting protrusion 5, the antenna mounting bracket 1 is fixed in a cooling water tank 3, antenna mounting holes 11 are circumferentially distributed on the antenna mounting bracket 1, and the circumferentially distributed antenna mounting holes 11 correspond to the annular lifting protrusion 5. The vertical millimeter wave antennas 2 with the same structure are arranged in the antenna mounting holes 11, the upper parts of the vertical millimeter wave antennas 2 extend into the antenna mounting holes 11, and the lower ends of the vertical millimeter wave antennas are supported in the guide grooves 51 of the annular lifting bulges 5.
Please refer to fig. 3: the vertical millimeter wave antenna 2 comprises a cylindrical ceramic shell 21, an annular interlayer installation cavity 22 is arranged in a shell of the cylindrical ceramic shell 21, millimeter wave antenna patches 23 are densely distributed on the side wall of the annular interlayer installation cavity 22, openings are formed in two ends of the cylindrical ceramic shell 21, and a conductive paint coating 24 is arranged on the inner wall of the cylindrical ceramic shell 21.
Claims (6)
1. The utility model provides a modular vertical form millimeter wave antenna which characterized in that: the antenna comprises an antenna mounting bracket (1), wherein at least three vertical millimeter wave antennas (2) with the same structure are mounted on the antenna mounting bracket (1), and the vertical millimeter wave antennas (2) are annularly distributed;
the vertical millimeter wave antenna (2) comprises a cylindrical ceramic shell (21), an annular interlayer installation cavity (22) is arranged in a shell of the cylindrical ceramic shell (21), and millimeter wave antenna patches (23) are densely distributed on the side wall of the annular interlayer installation cavity (22).
2. The combined vertical millimeter wave antenna of claim 1, wherein: the two ends of the cylindrical ceramic shell (21) are opened, and a conductive paint coating (24) is arranged on the inner wall of the cylindrical ceramic shell (21).
3. The combined vertical millimeter wave antenna of claim 2, wherein: the antenna mounting bracket (1) is fixed in a cooling water tank (3), an antenna lifting turntable (4) is installed in the cooling water tank (3) below the antenna mounting bracket (1), an annular lifting protrusion (5) is arranged on the antenna lifting turntable (4), one side of the annular lifting protrusion (5) is high and low, and is in curved surface transition from high to bottom, and the lower end of the vertical millimeter wave antenna (2) is supported on the annular lifting protrusion (5).
4. The combined vertical millimeter wave antenna of claim 3, wherein: the antenna mounting bracket (1) is provided with antenna mounting holes (11) which are distributed circumferentially, and the circumferentially distributed antenna mounting holes (11) correspond to the annular lifting bulges (5).
5. The combined vertical millimeter wave antenna of claim 4, wherein: the upper surface of the annular lifting bulge (5) is provided with a guide groove (51), and the lower end of the vertical millimeter wave antenna (2) is positioned in the guide groove (51).
6. The combined vertical millimeter wave antenna according to claim 3, 4 or 5, wherein: rotating shaft (6) is installed through the bearing in cooling trough (3) central authorities, and this pivot (6) are worn out cooling trough (3) tank bottom is being located this cooling trough (3) tank bottom top install in pivot (6) antenna lift carousel (4) are being located this cooling trough (3) tank bottom below install driven gear (7) on pivot (6), this driven gear (7) and driving gear (8) meshing, install on the output shaft of motor (9) driving gear (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654255.8A CN108847520B (en) | 2018-06-22 | 2018-06-22 | Combined vertical millimeter wave antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654255.8A CN108847520B (en) | 2018-06-22 | 2018-06-22 | Combined vertical millimeter wave antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108847520A CN108847520A (en) | 2018-11-20 |
| CN108847520B true CN108847520B (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810654255.8A Active CN108847520B (en) | 2018-06-22 | 2018-06-22 | Combined vertical millimeter wave antenna |
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| Country | Link |
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| CN (1) | CN108847520B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110809199A (en) * | 2019-10-12 | 2020-02-18 | 国网辽宁省电力有限公司盘锦供电公司 | Multi-frequency transmission device for acquisition terminal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374226A (en) * | 2016-09-30 | 2017-02-01 | 深圳市信维通信股份有限公司 | Double-frequency array antenna used for 5G (the fifth generation) wireless communication |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009015220A1 (en) * | 2009-03-31 | 2011-05-05 | Hans-Georg Engbarth | Antennenhalter |
| CN106921018A (en) * | 2017-04-27 | 2017-07-04 | 盐城文治机械有限公司 | Foldable antenna support |
| CN108011184A (en) * | 2017-11-17 | 2018-05-08 | 重庆交通职业学院 | A kind of enhanced millimeter wave reception antenna |
| CN108011175A (en) * | 2017-11-17 | 2018-05-08 | 重庆交通职业学院 | Integrated form millimeter wave antenna tree |
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2018
- 2018-06-22 CN CN201810654255.8A patent/CN108847520B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374226A (en) * | 2016-09-30 | 2017-02-01 | 深圳市信维通信股份有限公司 | Double-frequency array antenna used for 5G (the fifth generation) wireless communication |
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| CN108847520A (en) | 2018-11-20 |
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