CN219874053U - Parabolic reflector and parabolic antenna - Google Patents
Parabolic reflector and parabolic antenna Download PDFInfo
- Publication number
- CN219874053U CN219874053U CN202321299876.1U CN202321299876U CN219874053U CN 219874053 U CN219874053 U CN 219874053U CN 202321299876 U CN202321299876 U CN 202321299876U CN 219874053 U CN219874053 U CN 219874053U
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- China
- Prior art keywords
- parabolic reflector
- positioning assembly
- reflector
- flap member
- assembly structure
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- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 239000003351 stiffener Substances 0.000 claims description 17
- 238000009423 ventilation Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 238000004806 packaging method and process Methods 0.000 abstract description 6
- 238000012858 packaging process Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 description 5
- 239000010408 film Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000013022 venting Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229920007019 PC/ABS Polymers 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
The utility model discloses a parabolic reflector and a parabolic antenna, wherein the parabolic reflector comprises a reflector body, the reflector body comprises a plurality of flap members, the flap members are plastic members and are provided with reflecting surfaces, and an emitting film layer is covered on the reflecting surfaces. The plastic component has the advantages of light weight and low material cost. By providing the transmitting film layer on the reflecting surface, the reflecting surface of the plastic member is enabled to reflect radio waves. The two sides of the valve components are respectively provided with a first positioning assembly structure and a second positioning assembly structure, wherein the first positioning assembly structure of one valve component is matched with and connected with the second positioning assembly structure of the other valve component in a concave-convex way, so that the two valve components are spliced. The reflector body is formed by splicing and combining the plurality of flap members, so that the reflector body can be split into the plurality of flap members in the packaging process, and the plurality of flap members are placed in a stacked mode, so that the packaging volume is reduced.
Description
Technical Field
The utility model relates to the technical field of parabolic antennas, in particular to a parabolic reflector and a parabolic antenna.
Background
A parabolic antenna refers to a planar antenna consisting of a parabolic reflector and an illuminator (feed) located at its focal point. A metallic paraboloid of revolution, a cut paraboloid of revolution or a cylindrical paraboloid of revolution is generally used as a reflector, and a horn or a dipole with a reflector is used as a feed source.
Because the parabolic antenna in the prior art mainly adopts a metal parabolic reflector, the weight of the metal parabolic reflector is heavy, and the material cost is high. In addition, the reflector made of metal is generally packaged and transported after being processed into a whole, so that the packaging volume is large.
Disclosure of Invention
The embodiment of the utility model provides a parabolic reflector and a parabolic antenna, which aim to solve the technical problems of heavy weight, high material cost and large packaging volume of a metal parabolic reflector in the prior art.
In order to solve the technical problems, in one aspect, an embodiment of the present utility model provides a parabolic reflector, including a reflector body, where the reflector body includes a plurality of flap members, the flap members are plastic members and have a reflective surface, and the reflective surface is covered with an emissive film layer;
the two sides of the valve members are respectively provided with a first positioning assembly structure and a second positioning assembly structure, wherein the first positioning assembly structure of one valve member is matched with and connected with the second positioning assembly structure of the other valve member in a concave-convex manner, so that the two valve members are spliced, and a plurality of valve members are spliced and combined to form the reflector body.
In some embodiments, the first positioning assembly structure comprises a protruding lip protruding from a side edge of the flap member, the protruding lip having a recess thereon, the recess having a first connection aperture thereon;
the second positioning assembly structure comprises a shielding edge and a connecting convex column, the shielding edge is integrally formed on the flap member, the shielding edge of one flap member is opposite to the convex lip of the other flap member so as to shield the convex lip, the connecting convex column is arranged on one surface of the shielding edge opposite to the reflecting surface, and a second connecting hole penetrating through the connecting convex column is formed in the shielding edge;
the connecting convex column is in concave-convex fit with the concave part, and the first connecting hole and the second connecting hole are connected through a fastener.
In some embodiments, the recess has a locating surface on which the first connection hole is provided, and the end of the connection post abuts against the locating surface to align the reflective surfaces of the two mutually-spliced flap members.
In some embodiments, a plurality of the flap members are bisected sectors.
In some embodiments, the flap member is provided with a plurality of ventilation holes.
In some embodiments, a stiffener structure is provided on the back of the flap member, the stiffener structure being positioned in a position that is offset relative to the ventilation aperture.
In some embodiments, the stiffener structure includes a first stiffener disposed circumferentially along the reflector body and a second stiffener disposed radially along the reflector body, the first stiffener intersecting the second stiffener to divide a plurality of venting areas on the flap member, the plurality of venting holes being distributed over at least one venting area.
In some embodiments, the edge of the flap member is provided with a flange structure located on the back of the flap member.
In some embodiments, the emissive thin film layer is a metal thin film layer.
On the other hand, the embodiment of the utility model also provides a parabolic antenna, which comprises a feed source and the parabolic reflector, wherein the feed source is arranged at the focus position of the parabolic reflector.
The embodiment of the utility model has the following beneficial effects: the parabolic reflector is formed by splicing and combining the plurality of flap members, so that the reflector body can be split into the plurality of flap members in the packaging process, and the plurality of flap members are placed in a stacked mode, so that the packaging volume is reduced. In addition, the flap member is a plastic member and it has a reflective surface, and the plastic member has the advantage of being lightweight and low in material cost.
Drawings
FIG. 1 is a schematic view of a first embodiment of a parabolic reflector according to the present utility model;
FIG. 2 is a cross-sectional view of A-A shown in FIG. 1;
FIG. 3 is an enlarged partial view of region B shown in FIG. 2;
FIG. 4 is a schematic structural view of a first embodiment of a flap member of the utility model;
FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;
fig. 6 is a rear view of fig. 4.
Reference numerals illustrate:
100. a reflector body; 110. a flap member; 111. a reflective surface; 112. a convex lip; 113. a recessed portion; 1131. a first connection hole; 1132. a positioning surface; 114. shielding edges; 115. connecting convex columns; 116. a second connection hole; 117. ventilation holes; 118. a reinforcing rib structure; 1181. a first reinforcing rib; 1182. a second reinforcing rib; 119. and (5) a flanging structure.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present utility model, are used only with reference to the drawings of the present utility model, and are not meant to be limiting in any way.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The description as it relates to "first", "second", etc. in the present utility model is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
In an embodiment of the present utility model, as shown in fig. 1 to 6, there is provided a parabolic reflector comprising a reflector body 100, the reflector body 100 comprising a plurality of flap members 110, the flap members 110 being plastic members and having a reflective surface 111, the reflective surface 111 being coated with an emissive film layer. Since plastics (e.g., ABS plastic, PP plastic, PC plastic, and PC/ABS plastic) are generally lighter in density than metals (e.g., aluminum alloy and iron alloy), plastic components have the advantage of being lightweight and low in material cost. By providing the transmitting film layer on the reflecting surface 111, the reflecting surface 111 of the plastic member is enabled to reflect radio waves.
Preferably, the emissive thin film layer is a metal thin film layer. A metal film is attached to the flap member 110 through a plastic plating process or a metal paint spraying process, so that the flap member 110 made of plastic material can reflect radio waves, thereby realizing a reflection focusing function of antenna signals.
The two sides of the flap member 110 are respectively provided with a first positioning assembly structure and a second positioning assembly structure, wherein the first positioning assembly structure of one flap member 110 is matched with and connected with the second positioning assembly structure of the other flap member 110 in a concave-convex manner, so that the two flap members 110 are spliced. In order to achieve the concave-convex fit, one of the first positioning assembly structure and the second positioning assembly structure is provided with a convex portion and the other is provided with a concave portion, so that the concave-convex fit can be achieved. In order to achieve the connection, the first positioning assembly structure and the second positioning assembly structure are provided with corresponding connection structures, such as a screw structure, a buckle structure, a tight-fitting structure, a magnetic attraction structure or a plug-in structure.
The plurality of flap members 110 are spliced and combined to form the reflector body 100, so that the reflector body 100 can be split into the plurality of flap members 110 in the packaging process, and the plurality of flap members 110 are placed in a stacked manner, so that the packaging volume is reduced.
In some embodiments, as shown in fig. 1, the plurality of flap members 110 are bisected sectors. I.e., the individual petals 110 are of identical construction, area, and size, allowing for better stacking of multiple petals 110 for packaging.
In some embodiments, as shown in fig. 1-5, the first positioning assembly structure includes a protruding lip 112 protruding from a side edge of the flap member 110, the protruding lip 112 having a recess 113 formed therein, and the recess 113 having a first connection hole 1131 formed therein. The raised lip 112 serves as a fold between the individual flap members 110. When overlapped, the bottom profile of the recess 113 of the upper flap member 110 protrudes downward so as to be in concave-convex engagement with the recess 113 of the lower flap member 110.
The second positioning and assembling structure includes a shielding edge 114 and a connecting post 115, wherein the shielding edge 114 is integrally formed with the flap member 110, and the shielding edge 114 of one flap member 110 is opposite to the protruding lip 112 of the other flap member 110 to shield the protruding lip 112, so as to prevent the protruding lip 112 from being exposed to the surface and affecting the reflection performance. The connecting boss 115 is disposed on a surface of the shielding edge 114 opposite to the reflecting surface 111, and the shielding edge 114 is provided with a second connecting hole 116 penetrating the connecting boss 115.
The connection boss 115 is concavely and convexly fitted with the recess 113 to achieve positioning assembly, and the first connection hole 1131 and the second connection hole 116 are connected by a fastener. Specifically, the fastener is a screw.
In some embodiments, as shown in fig. 3, the recess 113 has a positioning surface 1132, the first connecting hole 1131 is disposed on the positioning surface 1132, and the end of the connecting post 115 abuts against the positioning surface 1132 to implement limiting, so that the reflecting surfaces 111 of the two mutually spliced petal members 110 are aligned, so that the reflecting surfaces 111 of the plurality of petal members 110 are spliced and combined to form a complete reflecting surface.
In some embodiments, as shown in fig. 5 and 6, the flap member 110 is provided with a plurality of ventilation holes 117. The ventilation holes 117 serve to reduce the wind resistance in use and the weight of the flap member 110.
In some embodiments, to increase the structural strength of the flap member 110, as shown in fig. 5 and 6, a reinforcing rib structure 118 is provided on the back surface of the flap member 110, the reinforcing rib structure 118 being disposed in a spaced relation to the ventilation holes 117.
In some embodiments, as shown in fig. 5 and 6, the stiffener structure 118 includes a first stiffener 1181 disposed circumferentially along the reflector body 100 and a second stiffener 1182 disposed radially along the reflector body 100, the first stiffener 1181 and the second stiffener 1182 intersecting to define a plurality of ventilation areas on the flap member 110, the plurality of ventilation holes 117 being distributed over at least one ventilation area.
In some embodiments, as shown in fig. 5, to further increase the structural strength of the flap member 110, the edge of the flap member 110 is provided with a burring structure 119, the burring structure 119 being located on the back of the flap member 110. Specifically, the flange structure 119 is an outward flange.
On the other hand, the embodiment of the utility model also provides a parabolic antenna, which comprises a feed source and a parabolic reflector, wherein the specific structure of the parabolic reflector refers to the embodiment, and the parabolic antenna at least has all the beneficial effects brought by the technical schemes of the embodiment because the parabolic antenna adopts all the technical schemes of all the embodiments, and the detailed description is omitted. The feed source is arranged at the focus position of the parabolic reflector.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.
Claims (10)
1. A parabolic reflector comprising a reflector body comprising a plurality of flap members, the flap members being plastic members and having a reflective surface, the reflective surface being covered with an emissive film layer;
the two sides of the valve members are respectively provided with a first positioning assembly structure and a second positioning assembly structure, wherein the first positioning assembly structure of one valve member is matched with and connected with the second positioning assembly structure of the other valve member in a concave-convex manner, so that the two valve members are spliced, and a plurality of valve members are spliced and combined to form the reflector body.
2. The parabolic reflector of claim 1 wherein said first positioning assembly structure comprises a lip protruding from a side edge of said flap member, said lip having a recess therein, said recess having a first attachment aperture therein;
the second positioning assembly structure comprises a shielding edge and a connecting convex column, the shielding edge is integrally formed on the flap member, the shielding edge of one flap member is opposite to the convex lip of the other flap member so as to shield the convex lip, the connecting convex column is arranged on one surface of the shielding edge opposite to the reflecting surface, and a second connecting hole penetrating through the connecting convex column is formed in the shielding edge;
the connecting convex column is in concave-convex fit with the concave part, and the first connecting hole and the second connecting hole are connected through a fastener.
3. The parabolic reflector of claim 2 wherein said recess has a locating surface, said first attachment hole being provided on said locating surface, the ends of said attachment stud being in abutment with said locating surface to align said reflective surfaces of two of said petals in engagement with each other.
4. The parabolic reflector of claim 1 wherein a plurality of said petals are in the form of equally divided sectors.
5. The parabolic reflector of claim 1 wherein said flap member is provided with a plurality of ventilation apertures.
6. The parabolic reflector of claim 5 wherein the back of the flap member is provided with a rib structure, the rib structure being disposed in a position that is offset relative to the ventilation aperture.
7. The parabolic reflector of claim 6 wherein said stiffener structure comprises a first stiffener circumferentially disposed about said reflector body and a second stiffener radially disposed about said reflector body, said first stiffener and said second stiffener intersecting to define a plurality of ventilation areas on said flap member, a plurality of said ventilation apertures being distributed over at least one of said ventilation areas.
8. The parabolic reflector according to any one of claims 1 to 7, wherein the edge of the flap member is provided with a flanging structure, the flanging structure being located on the back side of the flap member.
9. The parabolic reflector according to any one of claims 1 to 7, wherein the emission film layer is a metal film layer.
10. A parabolic antenna comprising a feed and a parabolic reflector according to any one of claims 1 to 9, the feed being arranged at the focal point of the parabolic reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321299876.1U CN219874053U (en) | 2023-05-25 | 2023-05-25 | Parabolic reflector and parabolic antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321299876.1U CN219874053U (en) | 2023-05-25 | 2023-05-25 | Parabolic reflector and parabolic antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219874053U true CN219874053U (en) | 2023-10-20 |
Family
ID=88346813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321299876.1U Active CN219874053U (en) | 2023-05-25 | 2023-05-25 | Parabolic reflector and parabolic antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219874053U (en) |
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2023
- 2023-05-25 CN CN202321299876.1U patent/CN219874053U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |