CN220821894U - Antenna frame structure, antenna and communication equipment - Google Patents
Antenna frame structure, antenna and communication equipment Download PDFInfo
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- CN220821894U CN220821894U CN202322722178.4U CN202322722178U CN220821894U CN 220821894 U CN220821894 U CN 220821894U CN 202322722178 U CN202322722178 U CN 202322722178U CN 220821894 U CN220821894 U CN 220821894U
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- antenna
- heat transfer
- frame structure
- heat
- bottom plate
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- 238000004891 communication Methods 0.000 title claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The present utility model relates to an antenna frame structure, an antenna and a communication device, and more particularly, to an antenna frame structure. The antenna frame structure comprises a heat transfer bottom plate and a plurality of heat dissipation teeth; the heat transfer bottom plate is provided with a first surface, a second surface and a peripheral wall surface, the first surface and the second surface are oppositely arranged, the first surface is used for being connected with the antenna plate, radiating teeth are arranged on the second surface and/or the peripheral wall surface, a radiating runner is formed between two adjacent radiating teeth, and the second surface is provided with a flow guiding part for guiding airflow to diffuse towards the periphery and at least partially enter the radiating runner. According to the antenna frame structure provided by the embodiment of the utility model, in the use process of the antenna, the antenna plate conducts heat to the heat transfer bottom plate, the heat transfer bottom plate heats air at the bottom of the heat transfer bottom plate, and the heated air flows to the periphery under the guidance of the flow guide part, so that the heat transfer bottom plate can be prevented from being baked due to accumulation in the middle of the bottom.
Description
Technical Field
The present utility model relates to an antenna frame structure, an antenna and a communication device, and more particularly, to an antenna frame structure.
Background
When the flat phased array antenna works normally, the heat source device inevitably generates a large amount of heat, and if the generated heat cannot be timely led out of the equipment, the temperature of the heat source device can be increased. After the temperature exceeds the limit state, the realization of the functions is affected.
Because the composition and the operating condition of dull and stereotyped phased array antenna, the heat dissipation wing is down, and heat source device is located antenna board bottom, can contact conduction heat with the heat dissipation tooth, carries out the heat exchange through the radiation and the air convection of bottom heat dissipation tooth, and air after the heat exchange is piled up in the bottom of antenna board easily, toasts the antenna terminal to influence the heat exchange coefficient at antenna terminal.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: the antenna frame structure, the antenna and the communication equipment are provided for solving the problem that the heat exchange coefficient of an antenna terminal is affected by the fact that air subjected to heat exchange is easily accumulated at the bottom of an antenna plate of an existing phased array antenna.
In order to solve the technical problems, in one aspect, an embodiment of the present utility model provides an antenna frame structure, including a heat transfer base plate and a plurality of heat dissipation teeth;
The heat transfer bottom plate is provided with a first surface, a second surface and a peripheral wall surface, the first surface and the second surface are oppositely arranged, the first surface is used for being connected with an antenna board, the second surface and/or the peripheral wall surface is/are provided with heat dissipation teeth, a heat dissipation flow channel is formed between two adjacent heat dissipation teeth, the second surface is provided with a flow guiding part, the flow guiding part can guide airflow to diffuse towards the periphery of the heat transfer bottom plate, and can guide partial airflow to enter the heat dissipation flow channel.
Optionally, the flow guiding part has a cambered surface protruding away from the first surface.
Optionally, the flow guiding part is integrally formed on the heat transfer bottom plate.
Optionally, the arc of the arc surface of the flow guiding part is 5-8 degrees.
Optionally, a first flange and a second flange are disposed on the first surface, the first flange is used for surrounding the antenna board, the second flange is disposed around the first flange, and an annular groove for connecting the radome is formed between the first flange and the second flange.
Optionally, the first surface is provided with a plurality of grooves recessed toward the second surface, and each groove is used for embedding a phase-change tube.
Optionally, the heat exchanger further comprises a coaming, the coaming surrounds the heat transfer bottom plate, a plurality of heat dissipation teeth are arranged around the peripheral wall surface, and the heat dissipation teeth are connected between the peripheral wall surface of the heat transfer bottom plate and the inner wall surface of the coaming.
In another aspect, an embodiment of the present utility model provides an antenna, including an antenna frame structure as described above.
Optionally, the antenna further comprises an antenna board and an antenna housing, wherein the antenna board is attached to the first surface, and the antenna housing is arranged on the antenna board.
In yet another aspect, an embodiment of the present utility model provides a communication device, including an antenna as described above
According to the antenna frame structure provided by the embodiment of the utility model, in the use process of the antenna, the antenna plate conducts heat to the heat transfer bottom plate, the heat transfer bottom plate heats air at the bottom of the heat transfer bottom plate, and the heated air flows to the periphery under the guidance of the flow guide part, so that the heat transfer bottom plate can be prevented from being baked due to accumulation in the middle of the bottom.
Drawings
Fig. 1 is an exploded view of an antenna according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a first flange and a second flange provided in an embodiment of the present utility model;
Fig. 3 is a schematic view of a diversion portion of a heat transfer base plate according to an embodiment of the present utility model.
Reference numerals in the specification are as follows:
1. A heat transfer base plate; 11. a flow guiding part; 12. a first flange; 13. a second flange; 2. radiating teeth; 3. coaming plate; 4. an antenna board; 5. an antenna housing; 6. phase change tube.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, an antenna frame structure provided in an embodiment of the present utility model includes a heat transfer base plate 1 and a plurality of heat dissipation teeth 2, where the heat transfer base plate 1 has a first surface, a second surface and a peripheral wall surface, the first surface and the second surface are opposite to each other in a thickness direction of the heat transfer base plate 1, the first surface is used for connecting an antenna plate 4, the second surface and/or the peripheral wall surface are provided with the heat dissipation teeth 2, a heat dissipation flow channel is formed between two adjacent heat dissipation teeth 2, a heat source device is provided on a side of the antenna plate facing the heat transfer base plate 1, when the antenna works, a large amount of heat generated by the heat source device is conducted to the heat dissipation teeth 2 through the heat transfer base plate 1, and heat exchange between the heat dissipation teeth 2 and an external environment is performed.
The second surface has guiding portion 11, and guiding portion 11 can guide the air current to diffuse around towards heat transfer bottom plate 1 to can guide partial air current to get into in the heat dissipation runner, in the antenna use, the antenna board is with heat conduction for heat transfer bottom plate 1 on, heat transfer bottom plate 1 heats the air of its bottom, under guiding portion 11's guide, and the air after heating flows around, can avoid piling up in the middle of the bottom and toasting heat transfer bottom plate 1.
In an embodiment, as shown in fig. 3, the flow guiding portion 11 has an arc surface protruding away from the first surface, so as to guide the air flow, and a height difference is formed between the arc surface and the first surface, so that the air flow velocity can be increased, the reynolds coefficient can be reduced, and the convection exchange coefficient can be improved. The flow guiding part 11 and the heat transfer bottom plate 1 can be in a split structure or an integrated structure, and one side surface of the flow guiding part 11 is attached to the second surface in terms of thickness under the split structure, and the other side surface of the flow guiding part 11 is an arc surface.
In a preferred embodiment, the diversion part 11 is integrally formed on the heat transfer bottom plate 1, and the second surface protrudes away from the first surface to form the diversion part 11, and the second surface is an arc surface.
In an embodiment, the radian of the cambered surface can be determined according to actual heat consumption, and in the embodiment, the radian of the cambered surface of the flow guiding part 11 is 5-8 degrees in consideration of the heat consumption and the whole volume of the antenna, and in the range, the cambered surface has a good flow guiding effect and cannot protrude too much to cause the whole volume of the antenna to be too large.
In one embodiment, as shown in fig. 3, the heat transfer base plate 1 is used as a heat conduction member between the heat source device and the heat dissipating teeth 2, and the thickness thereof affects the heat conduction area and the heat conduction resistance, and may be set according to actual heat conduction requirements. In this embodiment, the thickness of the heat transfer bottom plate 1 is increased to 4-10 mm, so that the heat conduction area of the heat transfer bottom plate 1 can be increased, and the conduction thermal resistance and the heat conduction area are in inverse proportion, so that the conduction thermal resistance is reduced, the heat convection coefficient of the heat dissipation teeth 2 is improved, the heat generated by the heat source device on the antenna plate can be quickly conducted to the heat dissipation teeth 2, and the purpose of cooling is achieved.
In an embodiment, as shown in fig. 2, a first flange 12 and a second flange 13 are provided on the first surface, the first flange 12 and the second flange 13 are in a closed structure, the first flange 12 is used for surrounding the antenna board 4, the antenna board 4 is fixedly mounted on the heat transfer base plate 1 through screws, and the inner contour of the first flange 12 is consistent with the outer contour of the antenna board 4. The second flange 13 is arranged around the first flange 12, the second flange 13 is arranged along the outer edge of the heat transfer bottom plate 1, an annular groove for connecting the radome 5 is formed between the first flange 12 and the second flange 13, and the radome 5 is fixedly connected in the annular groove through screws, so that the antenna board 4 is protected in the radome 5, and the antenna board 4 is prevented from being influenced by the external environment.
Preferably, the first surface is provided with a containing cavity recessed towards the second surface, the first flange 12 is arranged around the containing cavity, and the antenna board 4 is contained in the containing cavity, so that a certain height difference exists between the containing cavity and the annular groove, and further, a certain height difference exists between the antenna housing 5 and the antenna board 4, and interference between the antenna housing 5 and devices on the antenna board 4 is avoided.
In an embodiment, as shown in fig. 2 and 3, the first surface is provided with a plurality of grooves recessed toward the second surface, each groove being used for embedding the phase change tube 6. The phase-change heat pipe is welded on the heat transfer bottom plate 1, and the heat conductivity can reach more than 10000W/mK because the phase-change heat pipe is a material with ultrahigh heat conductivity, so that the effect of realizing integral temperature equalization of the frame can be easily achieved, a large amount of heat generated by the heat source device on the antenna board 4 is conducted to the heat transfer bottom plate 1, the integral temperature equalization of the heat transfer bottom plate 1 is realized through the phase-change heat pipe, and the heat is uniformly conducted to the heat dissipation teeth 2.
In an embodiment, as shown in fig. 1, the heat transfer base plate 1 further comprises a surrounding plate 3, wherein the surrounding plate 3 is annular, rectangular or polygonal in whole. When the plurality of heat radiation teeth 2 are provided around the peripheral wall surface, the heat radiation teeth 2 are connected between the peripheral wall surface of the heat transfer base plate 1 and the inner wall surface of the coaming 3, and the shape of the heat radiation passage can be defined. When the heat radiating teeth 2 are provided on the second surface, the coaming 3 may be omitted.
In another aspect, an embodiment of the present utility model provides an antenna, including the antenna frame structure of the foregoing embodiment.
In one embodiment, as shown in fig. 1, the antenna further includes an antenna board 4 and an antenna cover 5, where the antenna board 4 is attached to the first surface, and the antenna cover 5 is covered on the antenna board 4. The radome 5 can protect the antenna board 4 from external environment, has good electromagnetic wave penetration characteristics in electrical performance, and protects the antenna board 4 from wind, rain, ice, dust, solar radiation and the like in mechanical performance, so that the working performance of the antenna system is stable and reliable, and meanwhile, the abrasion, corrosion and aging of the antenna board 4 are reduced, and the service life is prolonged.
In yet another aspect, an embodiment of the present utility model provides a communication device including the antenna of the foregoing embodiment.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. An antenna frame structure is characterized by comprising a heat transfer bottom plate and a plurality of heat dissipation teeth;
The heat transfer bottom plate is provided with a first surface, a second surface and a peripheral wall surface, the first surface and the second surface are oppositely arranged, the first surface is used for being connected with an antenna board, the second surface and/or the peripheral wall surface is/are provided with heat dissipation teeth, a heat dissipation flow channel is formed between two adjacent heat dissipation teeth, the second surface is provided with a flow guiding part, the flow guiding part can guide airflow to diffuse towards the periphery of the heat transfer bottom plate, and can guide partial airflow to enter the heat dissipation flow channel.
2. The antenna frame structure of claim 1 wherein the deflector has a cambered surface that projects away from the first surface.
3. The antenna frame structure of claim 2 wherein said deflector is integrally formed on said heat transfer base plate.
4. The antenna frame structure of claim 2, wherein the arc of the deflector is 5-8 °.
5. The antenna frame structure of claim 1 wherein the first surface is provided with a first flange for surrounding the antenna panel and a second flange disposed around the first flange, the first flange and the second flange having an annular groove formed therebetween for connecting a radome.
6. The antenna frame structure of claim 1 wherein said first surface is provided with a plurality of grooves recessed toward said second surface, each of said grooves for receiving a phase change tube.
7. The antenna frame structure of claim 1 further comprising a shroud surrounding said heat transfer floor, a plurality of said heat dissipating teeth disposed about said peripheral wall, said heat dissipating teeth being connected between the peripheral wall of said heat transfer floor and the inner wall of said shroud.
8. An antenna comprising the antenna frame structure of any one of claims 1-7.
9. The antenna of claim 8, further comprising an antenna plate attached to the first surface and a radome disposed over the antenna plate.
10. A communication device comprising an antenna according to any of claims 8-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322722178.4U CN220821894U (en) | 2023-10-09 | 2023-10-09 | Antenna frame structure, antenna and communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322722178.4U CN220821894U (en) | 2023-10-09 | 2023-10-09 | Antenna frame structure, antenna and communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220821894U true CN220821894U (en) | 2024-04-19 |
Family
ID=90671803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322722178.4U Active CN220821894U (en) | 2023-10-09 | 2023-10-09 | Antenna frame structure, antenna and communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220821894U (en) |
-
2023
- 2023-10-09 CN CN202322722178.4U patent/CN220821894U/en active Active
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