CN210224292U - Ultra-wideband millimeter wave antenna - Google Patents
Ultra-wideband millimeter wave antenna Download PDFInfo
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- CN210224292U CN210224292U CN201921745296.4U CN201921745296U CN210224292U CN 210224292 U CN210224292 U CN 210224292U CN 201921745296 U CN201921745296 U CN 201921745296U CN 210224292 U CN210224292 U CN 210224292U
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- 239000000758 substrate Substances 0.000 claims abstract description 19
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 230000005855 radiation Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an ultra wide band millimeter wave antenna, including the support frame and locating ridge waveguide horn antenna and reflecting plate on the support frame, the support frame includes connecting plate and supporting legs, the supporting legs includes base, first support and second support, the first support with bottom one side of base is connected, the second support with the top of base is connected, the top of first support is equipped with the recess that is used for installing the reflecting plate; the connecting plate is obliquely arranged at the top of the second support towards the reflecting plate, a T/R assembly is arranged on the connecting plate, and an antenna substrate is arranged on one side, close to the reflecting plate, of the T/R assembly; the side of the reflecting plate, which faces the antenna substrate, is a reflecting surface, the reflecting surface is a paraboloid, the ridge waveguide horn antenna is arranged on the side of the antenna substrate, which faces the reflecting plate, and the ridge waveguide horn antenna is arranged corresponding to the focus of the reflecting surface.
Description
Technical Field
The utility model relates to a wireless communication technology field especially relates to an ultra wide band millimeter wave antenna.
Background
With the development of wireless communication technology, the spectrum resources at the low end of a microwave frequency band are more and more crowded, and mutual interference in the frequency band is more and more serious, so people look to the high end of the microwave frequency band, namely a millimeter wave frequency band, millimeter waves have abundant spectrum resources, however, atmospheric transmission loss in the millimeter wave frequency band is serious, in order to meet the requirement of an action distance in practical application, a high-gain antenna is generally required to be used, an antenna array is a direct and effective way for realizing high gain, however, in the millimeter wave frequency band, the size of a device is small due to high working frequency, and thus, difficulty is brought to antenna feeding and layout; generally, the high gain characteristic can be realized by increasing the number of antenna array elements, but the radiation efficiency of a large millimeter wave antenna array is limited by the loss of transmission lines, and in the millimeter wave frequency band, the mainstream transmission lines include: waveguides, substrate integrated waveguides, and gapwave waveguides, wherein waveguides are typically referred to as rectangular waveguides, circular waveguides, and the like; the waveguide and the gapwave waveguide have lower transmission loss due to lower air loss, the pure metal antenna array based on the waveguide and the gapwave waveguide is limited by processing, the unit cannot be flexibly designed, and the frequency band of the pure metal antenna array based on the waveguide is narrow, so that the application of a broadband antenna as a radiation unit is limited, and the multilayer metal structure has high processing precision and high cost; although the substrate integrated waveguide has low cost and wide frequency band, the dielectric loss is not negligible, especially in the design of a large millimeter wave antenna array, the radiation efficiency of the millimeter wave antenna array based on the substrate integrated waveguide is usually about 70%, and thus the existing antenna array does not have the characteristics of high radiation efficiency, wide frequency band and low cost at the same time.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides an ultra wide band millimeter wave antenna has high radiation efficiency, high-gain, narrow beam, advantages such as low cost.
In order to solve the technical problem, the technical scheme of the utility model is that: the supporting frame comprises a connecting plate and supporting legs, the supporting legs comprise a base, a first support and a second support, the first support is connected with one side of the bottom of the base, the second support is connected with the top of the base, and a groove for mounting the reflecting plate is formed in the top of the first support; the connecting plate is obliquely arranged at the top of the second support towards the reflecting plate, a T/R assembly is arranged on the connecting plate, and an antenna substrate is arranged on one side, close to the reflecting plate, of the T/R assembly; the side of the reflecting plate, which faces the antenna substrate, is a reflecting surface, the reflecting surface is a paraboloid, the ridge waveguide horn antenna is arranged on the side of the antenna substrate, which faces the reflecting plate, the ridge waveguide horn antenna is arranged corresponding to the focus of the reflecting surface, and the ridge waveguide horn antenna and the reflecting antenna of the reflecting surface form a paraboloid reflecting antenna.
By adopting the structure, the reflecting surface is arranged in a paraboloid shape, the ridge waveguide horn antenna is arranged corresponding to the focus of the paraboloid, the ridge waveguide horn antenna is used as a feed source and is combined with the reflecting antenna of the reflecting surface to form the paraboloid antenna, the pitching beam width of the antenna can be reduced, the antenna gain and the radiation efficiency are improved, and the characteristic of an ultra wide band is realized.
Preferably, the ridge waveguide horn antennas are arranged in an equidistant manner to form a ridge waveguide horn antenna array.
The ridge waveguide horn antennas are arranged on the antenna substrate at equal intervals to form a ridge waveguide horn antenna array, and antenna gain can be improved and beam width can be reduced through array combination.
Preferably, the ridge waveguide feedhorn array is connected to the T/R assembly.
The ridge waveguide horn antenna array meets the application of a phased array antenna, and can realize beam scanning and beam forming by matching with a T/R component.
Preferably, the base is a right triangle, one of the right-angle sides is attached to the ground, and the first support and the second support are respectively connected to two corners of one of the right-angle sides of the right triangle.
The base is set to be right triangle, and the balance and the stability of the supporting frame are enhanced.
Preferably, the reflecting plate is made of an aluminum alloy material through machining.
The reflecting plate is made of common aluminum alloy materials through pure machining, and cost is greatly reduced.
The utility model has the advantages that:
(1) by adopting the structure, the reflecting surface is arranged in a paraboloid shape, the ridge waveguide horn antenna is arranged corresponding to the focus of the paraboloid, and the ridge waveguide horn antenna is used as a feed source and is combined with the reflecting antenna of the reflecting surface to form the paraboloid antenna, so that the pitching beam width of the antenna can be reduced, the antenna gain and the radiation efficiency are improved, and the ultra-wideband characteristic is realized;
(2) the ridge waveguide horn antennas are arranged on the antenna substrate at equal intervals to form a ridge waveguide horn antenna array, and the antenna gain can be improved and the beam width can be reduced through array combination;
(3) the ridge waveguide horn antenna array meets the application of a phased array antenna, and can realize beam scanning and beam forming by matching with a T/R component;
(4) the base is arranged to be a right triangle, so that the balance and stability of the support frame are enhanced;
(5) the reflecting plate is made of common aluminum alloy materials through pure machining, and cost is greatly reduced.
Drawings
Fig. 1 is a schematic diagram of an overall structure of an ultra-wideband millimeter wave antenna according to an embodiment of the present invention;
fig. 2 is a side view of an ultra-wideband millimeter wave antenna in an embodiment of the present invention;
fig. 3 is a front view of an ultra-wideband millimeter wave antenna according to an embodiment of the present invention.
Description of reference numerals: the antenna comprises a support frame 1, a reflecting plate 2, a base 3, a first support 4, a second support 5, a ridge waveguide horn antenna 6, a T/R component 7, an antenna substrate 8, supporting legs 9, a reflecting surface 10 and a connecting plate 11.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-3, an ultra-wideband millimeter wave antenna includes a support frame 1, and a ridge waveguide horn antenna 6 and a reflector plate 2 which are arranged on the support frame 1, where the support frame 1 includes a connection plate 11 and support legs 9, the support legs 9 include a base 3, a first support 4 and a second support 5, the first support 4 is connected with one side of the bottom of the base 3, the second support 5 is connected with the top of the base 3, and a groove for installing the reflector plate 2 is arranged at the top of the first support 4; the connecting plate 11 is obliquely arranged at the top of the second support 5 towards the reflector 2, a T/R assembly 7 is arranged on the connecting plate 11, and an antenna substrate 8 is arranged on one side, close to the reflector 2, of the T/R assembly 7; one side of the reflecting plate 2 facing the antenna substrate 8 is a reflecting surface 10, the reflecting surface 10 is a paraboloid, the ridge waveguide horn antenna 6 is arranged on one side of the antenna substrate 8 facing the reflecting plate 2, the ridge waveguide horn antenna 6 corresponds to the focal point of the reflecting surface 10, and the ridge waveguide horn antenna 6 and the reflecting antenna of the reflecting surface 10 form a paraboloid reflecting antenna.
By adopting the structure, the reflecting surface 10 is set to be in a paraboloid shape, the ridge waveguide horn antenna 6 is arranged corresponding to the focus of the paraboloid, the ridge waveguide horn antenna 6 is used as a feed source and is combined with the reflecting antenna of the reflecting surface 10 to form the paraboloid antenna, the pitching wave beam width of the antenna can be reduced, the antenna gain and the radiation efficiency are improved, and the ultra-wideband characteristic is realized.
Example 2:
as shown in fig. 3, there are a plurality of ridge waveguide horn antennas 6, and a plurality of ridge waveguide horn antennas 6 are arranged at equal intervals to form a ridge waveguide horn antenna array.
The ridge waveguide horn antennas 6 are arranged on the antenna substrate 8 at equal intervals to form a ridge waveguide horn antenna array, and antenna gain can be improved and beam width can be reduced through array combination.
Example 3:
as shown in fig. 2, the ridge waveguide feedhorn array is connected to the T/R assembly 7.
The ridge waveguide horn antenna array meets the application of a phased array antenna, and can realize beam scanning and beam forming by matching with the T/R component 7.
Example 4:
as shown in fig. 1 and 2, the base 3 is a right triangle, one of the right-angled sides is attached to the ground, and the first support 4 and the second support 5 are respectively connected to two corners of one of the right-angled sides of the right triangle.
The base 3 is set to be a right triangle, and the balance and the stability of the support frame 1 are enhanced.
Example 5:
as shown in fig. 1, the reflective plate 2 is machined from an aluminum alloy material.
The reflecting plate 2 is made of common aluminum alloy materials through pure machining, and cost of the millimeter wave antenna is greatly reduced.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. An ultra-wideband millimeter wave antenna comprises a support frame, and a ridge waveguide horn antenna and a reflecting plate which are arranged on the support frame, and is characterized in that the support frame comprises a connecting plate and supporting legs, the supporting legs comprise a base, a first support and a second support, the first support is connected with one side of the bottom of the base, the second support is connected with the top of the base, and a groove for mounting the reflecting plate is formed in the top of the first support; the connecting plate is obliquely arranged at the top of the second support towards the reflecting plate, a T/R assembly is arranged on the connecting plate, and an antenna substrate is arranged on one side, close to the reflecting plate, of the T/R assembly; the side of the reflecting plate, which faces the antenna substrate, is a reflecting surface, the reflecting surface is a paraboloid, the ridge waveguide horn antenna is arranged on the side of the antenna substrate, which faces the reflecting plate, the ridge waveguide horn antenna is arranged corresponding to the focus of the reflecting surface, and the ridge waveguide horn antenna and the reflecting antenna of the reflecting surface form a paraboloid reflecting antenna.
2. The ultra-wideband millimeter wave antenna of claim 1, wherein the ridge waveguide horn antennas are arranged in a plurality, and the ridge waveguide horn antennas are arranged at equal intervals to form a ridge waveguide horn antenna array.
3. The ultra-wideband millimeter wave antenna of claim 1 or 2, wherein the ridge waveguide feedhorn array is connected to the T/R assembly.
4. The ultra-wideband millimeter wave antenna of claim 1, wherein the base is in the shape of a right triangle with one of the legs attached to the ground, and the first and second brackets are connected to two corners of the one of the legs of the right triangle, respectively.
5. The ultra-wideband millimeter-wave antenna of claim 1, wherein the reflector plate is machined from an aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921745296.4U CN210224292U (en) | 2019-10-17 | 2019-10-17 | Ultra-wideband millimeter wave antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921745296.4U CN210224292U (en) | 2019-10-17 | 2019-10-17 | Ultra-wideband millimeter wave antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210224292U true CN210224292U (en) | 2020-03-31 |
Family
ID=69921312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921745296.4U Active CN210224292U (en) | 2019-10-17 | 2019-10-17 | Ultra-wideband millimeter wave antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210224292U (en) |
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2019
- 2019-10-17 CN CN201921745296.4U patent/CN210224292U/en active Active
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Address after: No. 2806, 28th Floor, Building 2, No. 530, Middle Section of Tianfu Avenue, Chengdu High tech Zone, China (Sichuan) Pilot Free Trade Zone, Chengdu City, Sichuan Province, 610000 Patentee after: CHENGDU RAXIO SHENGTONG ELECTRONIC TECHNOLOGY CO.,LTD. Address before: Floor 1, building 1, No.6 Kexin Road, high tech Zone (West District), Chengdu, Sichuan 610000 Patentee before: CHENGDU RAXIO SHENGTONG ELECTRONIC TECHNOLOGY CO.,LTD. |
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| CP02 | Change in the address of a patent holder |