CN214589264U - Microwave antenna reflecting surface with N cambered surfaces - Google Patents
Microwave antenna reflecting surface with N cambered surfaces Download PDFInfo
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- CN214589264U CN214589264U CN202021728416.2U CN202021728416U CN214589264U CN 214589264 U CN214589264 U CN 214589264U CN 202021728416 U CN202021728416 U CN 202021728416U CN 214589264 U CN214589264 U CN 214589264U
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- microwave antenna
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Abstract
A microwave antenna reflecting surface with N cambered surfaces is characterized in that N cambered surfaces protruding outwards are uniformly distributed on the inner surface of the reflecting surface, the inclination angle between the cambered surfaces and the inner surface of the reflecting surface is theta, and the range of the theta is 1-5 degrees. The precision of the reflecting surface is not influenced by the energy loss when electromagnetic waves propagate in a paraboloid smooth curve; the loss of the repair energy is controlled by adjusting the inclination angle theta of the inner surfaces of the N small cambered surfaces and the reflecting surface, the size change range of the theta is 1-5 degrees, and the gain of the whole antenna is greatly improved.
Description
Technical Field
The utility model relates to a microwave antenna technical field, what specifically say so is a microwave antenna plane of reflection with a N cambered surface.
Background
As shown in fig. 1, the reflecting surface is a parabolic sheet metal part formed by spinning through a die, and is made of 3003 aluminum type sheet material, and is mainly applied to microwave antenna equipment for reflecting electromagnetic wave signals. The inner surface of the reflecting surface is usually a smooth surface, and the precision of the reflecting surface affects the efficiency of energy reflection of the microwave antenna due to the precision of the spinning forming. Furthermore, from the viewpoint of electrical performance, there is a large loss in gain for the microwave antenna for 5G high frequency application due to the limitation of the reflecting surface.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a microwave antenna plane of reflection with a N cambered surface promotes the gain of whole microwave antenna.
In order to realize the technical purpose, the adopted technical scheme is as follows: a microwave antenna reflecting surface with N cambered surfaces is characterized in that N cambered surfaces protruding outwards are uniformly distributed on the inner surface of the reflecting surface, the inclination angle between the cambered surfaces and the inner surface of the reflecting surface is theta, and the range of the theta is 1-5 degrees.
Gaps are arranged between the adjacent cambered surfaces, and the range of the gaps is 0.1-0.2 mm.
The cambered surface is a spherical surface or a paraboloid.
The reflecting surface and the N cambered surfaces are formed by combining a spinning process.
The reflection directions of the electromagnetic waves of the N microwave antennas in the arc surface arrangement direction on the inner surface of the reflection surface are consistent.
The utility model has the advantages that:
1. electrical properties: the precision of the reflecting surface is not influenced by the energy loss when electromagnetic waves propagate in a paraboloid smooth curve; the loss of the repair energy is controlled by adjusting the inclination angle theta of the inner surfaces of the N small cambered surfaces and the reflecting surface, the size change range of the theta is 1-5 degrees, and the gain of the whole antenna is greatly improved.
2. In the structural aspect: the cover body of the reflecting surface and the N cambered surfaces are combined by adopting a spinning process, so that good structural strength is realized, the precision of the whole reflecting surface can be ensured, the product consistency is high, and the reflecting surface is very suitable for batch production and has good popularization value.
Drawings
FIG. 1 is a schematic structural diagram of a prior art reflective surface;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic perspective view of the present invention;
fig. 4 is an external surface view of the present invention;
in the figure: 1. reflecting surface, 2, cambered surface, 3, feed source mounting hole.
Detailed Description
A microwave antenna reflecting surface with N cambered surfaces is a conductive curved surface or a conductive plane which is used for intensively reflecting electromagnetic waves emitted by a feed source to a certain direction according to a certain requirement in a planar antenna so as to enhance the emission effect. The reflecting surface material can be aluminum, copper, titanium, magnesium, stainless steel and glass fiber with metal coating. The microwave antenna is composed of the reflecting surface and a feed source, a feed source mounting hole used for mounting the feed source is formed in the center of the top of the reflecting surface 1, the inner surface of the reflecting surface 1 is used for reflecting signals of electromagnetic waves, N arc surfaces protruding outwards are uniformly distributed on the inner surface of the reflecting surface, the inclination angle between the arc surfaces and the inner surface of the reflecting surface is theta, the range of theta is 1-5 degrees, the inner surface of the reflecting surface refers to an original surface without the protruding arc surfaces, and the original surface is a paraboloid with a smooth curve.
The design requirements of the reflecting surface come from the aspects of electricity, structure, environment, carrier and the like. Determining the shape and size of the reflecting surface according to aerodynamic requirements; according to the electrical performance index, load distribution, carrier and environmental conditions (temperature, humidity, height and the like), the type of the small cambered surface of the reflecting surface is selected, the influence of the small cambered surface on the main electrical performance of the antenna is analyzed, the strength and structural stability are analyzed, and a scheme is formulated. The electrical performance design and the structural design are closely related and need to be repeatedly optimized.
Gaps are arranged between the adjacent cambered surfaces 2, the range of the gaps is 0.1-0.2mm, namely, the adjacent cambered surfaces cannot be overlapped, but the distance cannot be too large. The cambered surface 2 is a spherical surface or a paraboloid. The reflecting surface 1 and the N cambered surfaces 2 are formed by combining a spinning process, the forming consistency is good, the structural precision is high, and the antenna is suitable for mass production of antennas.
The reflection directions of the electromagnetic waves of the microwave antenna in the arrangement direction of the N cambered surfaces 2 on the inner surface of the reflecting surface 1 are consistent. The capacity of the reflecting surface for reflecting microwave energy can be further enhanced by limiting the size and arrangement mode of the arc surfaces.
The described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (5)
1. The utility model provides a microwave antenna plane of reflection with N cambered surface which characterized in that: n cambered surfaces (2) protruding outwards are uniformly distributed on the inner surface of the reflecting surface (1), the inclination angle between the cambered surfaces (2) and the inner surface of the reflecting surface (1) is theta, and the range of the theta is 1-5 degrees.
2. A microwave antenna reflecting surface having N curved surfaces as claimed in claim 1, wherein: gaps are arranged between the adjacent cambered surfaces (2), and the range of the gaps is 0.1-0.2 mm.
3. A microwave antenna reflecting surface having N curved surfaces as claimed in claim 1, wherein: the cambered surface (2) is a spherical surface or a paraboloid.
4. A microwave antenna reflecting surface having N curved surfaces as claimed in claim 1, wherein: the reflecting surface (1) and the N cambered surfaces (2) are formed by combining a spinning process.
5. A microwave antenna reflecting surface having N curved surfaces as claimed in claim 1, wherein: the reflection directions of the electromagnetic waves of the microwave antenna in the arrangement direction of the N cambered surfaces (2) on the inner surface of the reflecting surface (1) are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021728416.2U CN214589264U (en) | 2020-08-19 | 2020-08-19 | Microwave antenna reflecting surface with N cambered surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021728416.2U CN214589264U (en) | 2020-08-19 | 2020-08-19 | Microwave antenna reflecting surface with N cambered surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214589264U true CN214589264U (en) | 2021-11-02 |
Family
ID=78313291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021728416.2U Active CN214589264U (en) | 2020-08-19 | 2020-08-19 | Microwave antenna reflecting surface with N cambered surfaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214589264U (en) |
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2020
- 2020-08-19 CN CN202021728416.2U patent/CN214589264U/en active Active
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