CN106602250B - High-frequency antenna housing - Google Patents
High-frequency antenna housing Download PDFInfo
- Publication number
- CN106602250B CN106602250B CN201610935144.5A CN201610935144A CN106602250B CN 106602250 B CN106602250 B CN 106602250B CN 201610935144 A CN201610935144 A CN 201610935144A CN 106602250 B CN106602250 B CN 106602250B
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- China
- Prior art keywords
- end cover
- cover
- radome
- antenna
- arc
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
Abstract
The invention discloses a high-frequency radome, which comprises a side wall, a first end cover and a second end cover, wherein the first end cover and the second end cover are respectively arranged at two end parts of the side wall and are mutually connected with the side wall, the first end cover and the second end cover are semicircular planes, planes of the first end cover and the second end cover are parallel to the radiation direction of an antenna, an arched semi-cylindrical cover body is further arranged between the first end cover and the second end cover, and edges of the cover body are smoothly connected to the side wall, the first end cover and the second end cover. The high-frequency antenna housing is suitable for wide-beam antennas.
Description
[ field of technology ]
The invention relates to the technical field of communication antennas, in particular to a high-frequency antenna housing.
[ background Art ]
The conventional radome is a rectangular cubic box body pressed by a mold, and is not suitable for a wide beam antenna due to shape limitation from the viewpoint of electrical performance analysis.
Therefore, it is necessary to provide a high frequency radome suitable for the shape of a wide beam antenna.
[ invention ]
The present invention provides a high frequency radome suitable for a wide beam antenna shape.
In order to achieve the purpose of the invention, the following technical scheme is provided:
the invention provides a high-frequency radome, which comprises a side wall, a first end cover and a second end cover, wherein the first end cover and the second end cover are respectively arranged at two ends of the side wall and are mutually connected with the side wall, the first end cover and the second end cover are semicircular planes, planes of the first end cover and the second end cover are parallel to the radiation direction of an antenna, an arched semi-cylindrical cover body is further arranged between the first end cover and the second end cover, and edges of the cover body are smoothly connected to the side wall, the first end cover and the second end cover. The high-frequency radome adopts a method of combining circular arc shape and cylindrical shape, effectively reduces the influence of the radome on the antenna performance, is suitable for wide-beam antennas, has wide applicable frequency range and excellent wave transmission performance, has little change of the electrical properties before and after the radome is added, and can still well meet engineering index requirements after the radome is added.
Preferably, the cover body comprises a first cover body, a second cover body, a first excessive round angle body and a second excessive round angle body, the edges of the first cover body and the second cover body are smoothly connected, the first cover body is smoothly transited to the first end cover through the first excessive round angle body, and the second cover body is smoothly transited to the second end cover through the second excessive round angle body.
Preferably, the cross section of the second cover body is arc-shaped, the arc of one end of the second cover body is a first arc, the arc of the other end of the second cover body is a second arc, and the arc center of the first arc and the arc center of the second arc have a height difference.
Preferably, an included angle between a connecting line between the arc center of the first arc and the arc center of the second arc and the horizontal line is 5-9 degrees.
Preferably, the first cover body is a semi-cylindrical shell body, and the radius of the semi-cylindrical shell body is 4 to 5 times of the antenna caliber arranged inside the antenna cover.
Preferably, the dielectric constants and thicknesses of the cover body, the first end cover, the second end cover and the side wall are all the same.
Preferably, the thickness values of the cover body, the first end cover, the second end cover and the side wall are integer multiples of half wavelength of electromagnetic waves propagated in the high-frequency radome by an antenna arranged in the high-frequency radome.
Preferably, the electrical thickness of the side wall and the cover both increase toward the inside of the cover, and the side wall is located outside the transmit-receive range of the antenna, and the cover is located within the transmit-receive range of the antenna.
Preferably, drain holes are formed in the first end cover, the second end cover and the side wall.
The technical scheme also provides a high-frequency antenna device which comprises an antenna and the high-frequency antenna housing, wherein the high-frequency antenna housing is covered on the antenna.
Compared with the prior art, the invention has the following advantages:
the high-frequency radome adopts a method of combining circular arc shape and cylindrical shape, effectively reduces the influence of the radome on the antenna performance, is suitable for wide-beam antennas, has wide applicable frequency range and excellent wave transmission performance, has little change of the electrical properties before and after the radome is added, and can still well meet engineering index requirements after the radome is added.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a high-frequency radome according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a high-frequency radome according to an embodiment of the present invention;
fig. 3 is a left side view of a high frequency radome according to an embodiment of the present invention;
reference numerals illustrate:
1. the first end cover, 2, first excessive fillet body, 2', second excessive fillet body, 3, first cover body, 4, second cover body, 5, lateral wall, 5', lateral wall, 6, second end cover, 7, wash port.
[ detailed description ] of the invention
Referring to fig. 1 to 2, the high-frequency radome comprises side walls (5, 5 ') and a first end cover 1 and a second end cover 6 which are respectively arranged at two ends of the side walls (5, 5') and are mutually connected with the side walls (5, 5 '), wherein the first end cover 1 and the second end cover 6 are semicircular planes, planes of the first end cover 1 and the second end cover 6 are parallel to the radiation direction of the antenna, an arched semi-cylindrical radome body is further arranged between the first end cover 1 and the second end cover 6, and edges of the radome body are smoothly connected to the side walls (5, 5'), the first end cover 1 and the second end cover 6. The high-frequency radome of the embodiment adopts a method of combining circular arc shape and cylindrical shape, effectively reduces the influence of the radome on the antenna performance, is suitable for wide-beam antennas, has wide applicable frequency range and excellent wave transmission performance, has little change of the electrical performance before and after the radome is added, and can still well meet engineering index requirements after the radome is added. The high-frequency radome is made of an ABS and HIPS composite material, and is excellent in weather resistance and low in cost. In summary, the high-frequency radome of the embodiment not only can ensure the electrical performance, but also can protect the antenna from complex and severe environmental influences such as rain, fog, ice, sand, strong wind, ultraviolet rays and the like, and realizes dust prevention, water prevention, wind resistance and UV resistance.
Referring to fig. 1 to 2, the cover body includes a first cover body 3, a second cover body 4, a first over-rounded corner body 2 and a second over-rounded corner body 2', the first cover body 3 is smoothly connected with the edge of the second cover body 4, the first cover body 3 is smoothly transited to the first end cover 1 through the first over-rounded corner body 2, and the second cover body 4 is smoothly transited to the second end cover 6 through the second over-rounded corner body 2'. In this embodiment, the first and second over-rounded bodies 2, 2' have equal rounded dimensions and a radius of 18.23mm.
The first cover body 3 is a semi-cylindrical shell, and the radius of the semi-cylindrical shell is 4 to 5 times of the antenna caliber arranged inside the antenna cover. In this embodiment, the radius of the first housing 3 is 65mm and the height is 87mm. The cross section of the second cover body 4 is arc-shaped, the arc of one end cross section is a first arc, the arc of the other end cross section is a second arc, and the arc center of the first arc and the arc center of the second arc have a height difference. And the included angle between the connecting line between the arc center of the first arc and the arc center of the second arc and the horizontal line is 5-9 degrees. Specifically, in this embodiment, the radius of the first arc is 65mm, the radius of the second arc is 50mm, and the difference in height between the centers of the two arcs is 198mm.
The dielectric constants and thicknesses of the cover body, the first end cover 1, the second end cover 6 and the side walls (5, 5') are all the same. Preferably, the thickness values of the cover body, the first end cover 1, the second end cover 6 and the side walls (5, 5') are half the wavelength of electromagnetic waves propagated in the high-frequency radome by the antenna arranged in the high-frequency radome. The high-frequency radome of the embodiment is a radome with uniform dielectric constant, and the dielectric constant is 2.8; the thickness of the high frequency radome is uniform, and the thickness thereof is 3.3mm.
The right side is the left side view of the high frequency radome, as shown in fig. 3. The radiation direction, the electric field direction and the magnetic field direction of the antenna are mutually perpendicular. The antenna and the radome keep a specific distance D, the specific distance D depends on the coupling amount between the antenna and the radome, the value of the specific distance D is generally an integer multiple of half wavelength, namely d=n×λ/2, where n is an integer, λ is a wavelength at the center frequency, because we take the initial value of D as 33mm, namely n=6, and the variation interval as 30-35mm in consideration of the convenience of processing and assembly, and by repeatedly adjusting the distance D in electromagnetic simulation software CST MICROWAVE STUDIO 2011, the optimal value of D is obtained as 32mm.
The side walls (5, 5 '), the electrical thickness of the housing both increasing towards the interior of the housing, and the side walls (5, 5') being outside the transmit-receive range of the antenna, the housing being within the transmit-receive range of the antenna.
Next, drain holes 7 are formed in the first end cap 1, the second end cap 6 and the side walls (5, 5'). The purpose is to drain the rainwater in the cover and avoid accumulating a large amount of vapor in the antenna cover.
The embodiment also provides a high-frequency antenna device, which comprises an antenna and the high-frequency antenna housing as described in any one of the above, wherein the high-frequency antenna housing covers the antenna.
The following table is a transverse contrast test data table of the high-frequency radome
From the above experimental data, the high-frequency radome of the present embodiment has a greater improvement in half-power angle, ripple and standing wave on the azimuth plane than the conventional square radome.
The high-frequency radome provided by the embodiment of the invention adopts a method of combining circular arc shape and cylindrical shape, effectively reduces the influence of the radome on the antenna performance, is suitable for wide-beam antennas, has wide applicable frequency range and excellent wave transmission performance, has little change of the electrical properties before and after the radome is added, and can still well meet engineering index requirements after the radome is added.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any equivalent transformation based on the technical solution of the present invention falls within the scope of the present invention.
Claims (8)
1. The high-frequency radome is characterized by comprising a side wall, a first end cover and a second end cover, wherein the first end cover and the second end cover are respectively arranged at two ends of the side wall and are mutually connected with the side wall, the first end cover and the second end cover are semicircular planes, planes of the first end cover and the second end cover are parallel to the radiation direction of an antenna, an arched semi-cylindrical cover body is further arranged between the first end cover and the second end cover, and edges of the cover body are smoothly connected to the side wall, the first end cover and the second end cover;
the cover body comprises a first cover body, a second cover body, a first excessive round angle body and a second excessive round angle body, wherein the edges of the first cover body and the second cover body are smoothly connected, the first cover body is smoothly transited to the first end cover through the first excessive round angle body, and the second cover body is smoothly transited to the second end cover through the second excessive round angle body;
the first cover body is a semi-cylindrical shell, the cross section of the second cover body is arc-shaped, the arc of one end of the cross section of the second cover body is a first arc, the arc of the other end of the cross section of the second cover body is a second arc, and the arc center of the first arc and the arc center of the second arc are provided with height differences.
2. The high frequency radome of claim 1, wherein an angle between a line connecting the centers of the first and second arcs and a horizontal line is 5 to 9 degrees.
3. The high frequency radome of claim 1, wherein said first radome body is a semi-cylindrical shell having a radius of 4 to 5 times the antenna caliber disposed inside the radome.
4. The high frequency radome of claim 1, wherein dielectric constants and thicknesses of said housing, first end cap, second end cap and sidewall are all the same.
5. The high frequency radome of claim 4, wherein the thickness values of said housing, first end cap, second end cap and side wall are integer multiples of half a wavelength of an electromagnetic wave propagating in the high frequency radome by an antenna disposed in the high frequency radome.
6. The high frequency radome of claim 1, wherein the electrical thickness of said side walls, the housing, both increase toward the interior of the housing, and said side walls are outside the transmit-receive range of the antenna, and said housing is within the transmit-receive range of said antenna.
7. The high frequency radome of claim 1, wherein drain holes are provided in each of said first end cap, second end cap and side wall.
8. A high frequency antenna device comprising an antenna and the high frequency radome of any one of claims 1 to 7, the high frequency radome covering the antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935144.5A CN106602250B (en) | 2016-11-01 | 2016-11-01 | High-frequency antenna housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935144.5A CN106602250B (en) | 2016-11-01 | 2016-11-01 | High-frequency antenna housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106602250A CN106602250A (en) | 2017-04-26 |
| CN106602250B true CN106602250B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610935144.5A Active CN106602250B (en) | 2016-11-01 | 2016-11-01 | High-frequency antenna housing |
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| Country | Link |
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| CN (1) | CN106602250B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066080B (en) * | 2018-08-07 | 2022-03-04 | 维沃移动通信有限公司 | Antenna housing, antenna structure and wireless electronic equipment |
| CN113471657A (en) * | 2020-03-31 | 2021-10-01 | 华为技术有限公司 | Antenna device |
| EP3985798A4 (en) * | 2020-07-23 | 2023-01-18 | Rosenberger Technologies Co., Ltd. | Apparatus for reducing wind resistance of antenna |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6342860B1 (en) * | 2001-02-09 | 2002-01-29 | Centurion Wireless Technologies | Micro-internal antenna |
| WO2012133210A1 (en) * | 2011-03-31 | 2012-10-04 | 古河電気工業株式会社 | Wide-coverage radar device |
| CN102790271A (en) * | 2012-09-03 | 2012-11-21 | 苏州工业园区新富事达塑胶型材制品有限公司 | Antenna housing |
| CN203942016U (en) * | 2014-05-27 | 2014-11-12 | 佛山市安捷信通讯设备有限公司 | The directed wall aerial of wideband and the directed wall aerial of multiband dual polarization |
| CN104638375A (en) * | 2013-11-13 | 2015-05-20 | 深圳光启创新技术有限公司 | Metamaterial panel, method for manufacturing same, antenna housing and method for manufacturing same |
| CN206349504U (en) * | 2016-11-01 | 2017-07-21 | 广东通宇通讯股份有限公司 | A kind of high frequency antenna cover |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL174549A (en) * | 2005-10-16 | 2010-12-30 | Starling Advanced Comm Ltd | Dual polarization planar array antenna and cell elements therefor |
-
2016
- 2016-11-01 CN CN201610935144.5A patent/CN106602250B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6342860B1 (en) * | 2001-02-09 | 2002-01-29 | Centurion Wireless Technologies | Micro-internal antenna |
| WO2012133210A1 (en) * | 2011-03-31 | 2012-10-04 | 古河電気工業株式会社 | Wide-coverage radar device |
| CN102790271A (en) * | 2012-09-03 | 2012-11-21 | 苏州工业园区新富事达塑胶型材制品有限公司 | Antenna housing |
| CN104638375A (en) * | 2013-11-13 | 2015-05-20 | 深圳光启创新技术有限公司 | Metamaterial panel, method for manufacturing same, antenna housing and method for manufacturing same |
| CN203942016U (en) * | 2014-05-27 | 2014-11-12 | 佛山市安捷信通讯设备有限公司 | The directed wall aerial of wideband and the directed wall aerial of multiband dual polarization |
| CN206349504U (en) * | 2016-11-01 | 2017-07-21 | 广东通宇通讯股份有限公司 | A kind of high frequency antenna cover |
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| CN106602250A (en) | 2017-04-26 |
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