CN115241624B - High-heat-dissipation miniaturized satellite communication antenna main bearing structure - Google Patents
High-heat-dissipation miniaturized satellite communication antenna main bearing structure Download PDFInfo
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- CN115241624B CN115241624B CN202210909133.5A CN202210909133A CN115241624B CN 115241624 B CN115241624 B CN 115241624B CN 202210909133 A CN202210909133 A CN 202210909133A CN 115241624 B CN115241624 B CN 115241624B
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- 238000004891 communication Methods 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 86
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000009826 distribution Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 10
- 239000002131 composite material Substances 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 4
- 230000004907 flux Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a high-heat-dissipation miniaturized satellite communication antenna main bearing structure, which adopts a composite heat dissipation structure of a temperature equalization plate and an isolated air cooling, and comprises an A frequency transmitting antenna installation area, an A frequency receiving antenna installation area and a B frequency antenna installation area, wherein the parts of the main bearing structure corresponding to the three areas adopt the temperature equalization plate structure, the A frequency transmitting antenna installation area and the A frequency receiving antenna installation area correspond to a first circulation chamber of the temperature equalization plate, and the B frequency antenna installation area corresponds to a second circulation chamber of the temperature equalization plate; the main bearing structural members except the first circulating chamber and the second circulating chamber adopt solid metal plates; an isolated air cooling channel is arranged outside the temperature equalization plate and on the solid metal plate between the A frequency transmitting antenna installation area and the A frequency receiving antenna installation area. The invention adopts the composite heat dissipation technology of the temperature equalization plate and the isolation type open air cooling, solves the problem of satellite communication antenna heat control, has light weight, can bear load, has fast heat dissipation and high strength, and has good severe environment resistance.
Description
Technical Field
The invention relates to a satellite communication antenna technology, in particular to a high-heat-dissipation miniaturized satellite communication antenna main bearing structure member.
Background
With the continuous development of electronic technology and antenna technology, the requirements of on-board equipment of active phased array antennas are also increasing, and the realization of stable, rapid and accurate information transmission on the basis of miniaturization is particularly emphasized. The active phased array satellite communication antenna is a large-scale adult of an electronic system, and consists of a large number of active components and devices, the miniaturization and integration level of the active components are continuously improved, the assembly density, the power consumption and the thermal load of power elements are rapidly increased, so that the generated array plane power consumption and the generated heat flow density are rapidly increased, and a serious test is provided for a thermal control technology.
For the active phased array communication antenna with double frequency bands, the layout of the antenna with double frequency bands is completed in a limited size space, and meanwhile, in order to ensure the normal and stable operation of the antenna, high heat generated by a radio frequency part must be rapidly led out and dissipated, so that the influence of the excessive temperature of a device caused by heat accumulation on indexes is avoided. The high heat flux density of the high integration rf components is not achievable by external air exchange alone. Therefore, it is necessary to develop a main bearing structure of satellite communication antenna with high strength, high heat dissipation and high bearing capacity, light weight, and so as to meet the requirements of high integration and high heat dissipation.
The main bearing structure of the satellite communication antenna capable of meeting the requirements is not reported at present.
Disclosure of Invention
Aiming at the defects that the limited space influences the electrical performance index of a heating key component when the active phased array satellite communication antenna adopts dual-band communication in the prior art, the invention aims to solve the technical problem of providing a satellite communication antenna main bearing structure member which is small in size, light in weight and high in heat dissipation and miniaturization.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a high-heat-dissipation miniaturized satellite communication antenna main bearing structure, which adopts a temperature equalization plate and an isolated air-cooled composite heat dissipation structure, and comprises an A frequency transmitting antenna installation area, an A frequency receiving antenna installation area and a B frequency antenna installation area, wherein the parts of the main bearing structure corresponding to the three areas adopt the temperature equalization plate structure, the A frequency transmitting antenna installation area and the A frequency receiving antenna installation area correspond to a first circulation chamber of the temperature equalization plate, the B frequency antenna installation area corresponds to a second circulation chamber of the temperature equalization plate, and the first circulation chamber and the second circulation chamber independently operate; the main bearing structural members except the first circulation chamber and the second circulation chamber are made of solid metal plates; an isolated air cooling channel is arranged outside the temperature equalization plate and on the solid metal plate between the A frequency transmitting antenna installation area and the A frequency receiving antenna installation area.
The A frequency transmitting antenna installation area, the A frequency receiving antenna installation area and the B frequency antenna installation area form a delta-shaped distribution.
The temperature equalizing plates of the A frequency transmitting antenna installation area, the A frequency receiving antenna installation area and the B frequency antenna installation area are provided with through holes penetrating through the temperature equalizing plates, and a first circulating cavity and a second circulating cavity of the temperature equalizing plates at the through holes are still of sealing structures.
The isolated open type air cooling channel comprises a first fin, a second fin and a fan, wherein the first fin is arranged on a temperature equalization plate between an A frequency transmitting antenna installation area and an A frequency receiving antenna installation area, the second fin is arranged on a solid metal plate between the A frequency receiving antenna installation area and a B frequency antenna installation area, the first fin and the second fin are distributed in an L shape, and the fan installation area is arranged at the position of an L-shaped inflection point; the upper parts of the first fins and the second fins are fixedly provided with structural plates, so that the first fins, the second fins and the fan form an L-shaped air cooling channel.
And a functional module installation area is arranged on the structural plate above the first fin and the second fin.
And heat conducting gaskets are filled among the A frequency transmitting antenna, the A frequency receiving antenna, the B frequency antenna and the installation surface of the temperature equalizing plate.
The invention has the following beneficial effects and advantages:
1. the main bearing structure part provided by the invention can enable the whole satellite communication antenna system to be highly integrated, and the composite heat dissipation technology of the temperature equalization plate and the isolation type air cooling is adopted, so that the problems of high power heat consumption, high heat flux and high integrated satellite communication antenna heat control are well solved, and meanwhile, the weight is reduced, and the satellite communication antenna has the characteristics of bearing capacity, light weight, rapid heat dissipation, high strength and the like;
2. the invention has the advantages of small volume, light weight and high heat dissipation, and provides a good working temperature environment for the normal operation of satellite communication antenna equipment, so that the satellite communication antenna equipment can stably and continuously operate; the heat transferred to the main bearing structural member by each functional module is rapidly taken away by the fan, so that the aim of rapid heat dissipation is fulfilled;
3. according to the invention, the isolated open type air-cooled air flows through the fin air channels, the air flow does not flow through the functional modules, and the cooling air channels are isolated from the equipment installation cabin, so that the electronic equipment in the antenna equipment installation cabin is isolated from the air channels, and the air flow in the air channels does not contact and damage the functional modules, thereby having good severe environment resistance.
Drawings
FIG. 1 is a schematic view of a main bearing structure of a satellite communication antenna according to the present invention;
FIG. 2 is a schematic diagram showing the layout of two chambers of the temperature equalization plate in the present invention;
FIG. 3 is a schematic diagram of a fan and fin duct layout in accordance with the present invention;
wherein, 1 is A frequency transmitting antenna installation area, 2 is A frequency receiving antenna installation area, 3 is B frequency antenna installation area, 4 is power module installation area, 5 is integrated control module installation area, 6 is fan installation area, 7 is first circulation cavity, 8 is second circulation cavity, 9a is first fin, 9B is first fin, 10 is solid metal sheet.
Detailed Description
The structure of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, the invention provides a miniaturized satellite communication antenna main bearing structure with high heat dissipation, which adopts a composite heat dissipation structure of a temperature equalization plate and an isolated air cooling, and comprises an a frequency transmitting antenna installation area 1, an a frequency receiving antenna installation area 2 and a B frequency antenna installation area 3, wherein the parts of the main bearing structure corresponding to the three areas adopt the temperature equalization plate structure, the a frequency transmitting antenna installation area 1 and the a frequency receiving antenna installation area 2 correspond to a first circulation chamber 7 of the temperature equalization plate, the B frequency antenna installation area 3 corresponds to a second circulation chamber 8 of the temperature equalization plate, and the first circulation chamber 7 and the second circulation chamber 8 independently operate; the main bearing structural members except the first circulation chamber 7 and the second circulation chamber 8 adopt solid metal plates 10; an isolated open type air cooling channel is arranged outside the temperature equalization plate between the A frequency transmitting antenna installation area 1 and the A frequency receiving antenna installation area 2 and on the solid metal plate 10.
In this embodiment, the main bearing structure may be embedded with three functional modules such as an antenna, a power module, and a comprehensive control module. In order to achieve the purposes that the arrangement of three antennas is not mutually interfered, the maximum radiation opening angle can be obtained, and the layout area is minimum, the invention designs a finished product font layout mode of an A frequency transmitting antenna mounting area 1, an A frequency receiving antenna mounting area 2 and a B frequency antenna mounting area 3. In order to miniaturize and highly integrate the space occupied by the onboard satellite communication antenna, each module adopts a mosaic and superposition installation form, as shown in fig. 1.
The isolated open type air cooling channel comprises a first fin 9a, a second fin 9B and a fan, wherein the first fin 9a is arranged on a temperature equalizing plate between an A frequency transmitting antenna installation area 1 and an A frequency receiving antenna installation area 2, the second fin 9B is arranged on a solid metal plate 10 between the A frequency receiving antenna installation area 2 and a B frequency antenna installation area 3, the first fin 9a and the second fin 9B are distributed in an L shape, and a fan installation area 6 is arranged at the position of an L-shaped inflection point; the upper parts of the first fins 9a and the second fins 9b are fixedly provided with structural plates, so that the first fins 9a, the second fins 9b and the fan form an L-shaped air cooling channel, as shown in fig. 3; the structure board is provided with a functional module installation area.
The satellite communication antenna is an active phased array antenna, and the heat ratio of an antenna radio frequency component (comprising an A frequency transmitting antenna 1, an A frequency receiving antenna 2 and a B frequency antenna 3) is maximum and reaches more than 70%, so that important consideration is paid to thermal control. The invention arranges the circulating cavity in the area where the antenna radio frequency component is arranged, other areas are solid structures (namely the solid metal plate 10 in fig. 2), and the fin component and the fan are arranged on the solid structures, so that the design can save cost and simplify the manufacturing process.
The heat control design scheme of the application utilizes the composite heat dissipation technology of the temperature equalization plate and the isolation type air cooling, well solves the heat control problem of the satellite communication antenna with high power heat consumption, high heat flux and high integration, and ensures the normal and stable operation of the antenna.
Meanwhile, the A frequency transmitting antenna installation area 1, the A frequency receiving antenna installation area 2 and the B frequency antenna installation area 3 are three concave areas seen on the surface of the main bearing structural member, and through holes penetrating through the temperature equalizing plate and used for electric connection are arranged at the corresponding temperature equalizing plate positions; the first circulation cavity and the second circulation cavity of the temperature equalizing plate at the through hole are still of a sealing structure.
In this embodiment, the temperature equalization plate at the through hole and the areas of the first circulation chamber 7 and the second circulation chamber 8 are well sealed in a welding mode, so that working medium of the first circulation chamber 7 and the second circulation chamber 8 cannot leak, and operation safety is guaranteed.
On the structural plate above the first fin and the second fin are functional module installation areas, namely a power module installation area 4 and an integrated control module installation area 5.
And the other side of the main bearing structural member is also provided with a corresponding functional module, and the functional modules (comprising a power module and a comprehensive control module) on two sides can be directly and electrically connected through the through holes, so that the trouble of cable wiring is avoided.
The main bearing structure part is designed into a temperature equalization plate at the installation position of the high-power antenna radio frequency component, the temperature equalization plate is utilized to thermally control the high heat consumption unit of the antenna component, and a heat conduction pad is filled between the antenna component and the installation surface of the main bearing structure part, so that the contact surface is increased, the heat conduction performance is improved, and the heat generated by the antenna component can be guided out to the main bearing structure part as soon as possible.
Because the whole antenna has compact structure and small volume, the power module, the comprehensive control module and other partial functional modules are nested and laminated, and the module which can not radiate heat through the temperature equalizing plate is provided with radiating fins on the periphery, the heat radiated by each module (including the antenna component) is transferred to the surface of the main bearing structural member by utilizing the negative pressure effect of the fan and taken away by the isolated open air cooling channel and diffused into the outside air, thereby forming the antenna device, and ensuring the stable and continuous normal operation of the antenna device in a good temperature environment.
The temperature equalization plate technology is the prior art, adopts the phase change high heat conduction principle, and rapidly exports the high heat generated by the operation of the antenna radio frequency component through the liquid-gas-liquid cold-hot conversion principle. According to the working state of the antenna system and the heat source distribution density, the temperature equalizing plate of the main bearing structure member is designed into a structure with 2 chambers, as shown in fig. 2. An independent chamber, namely a first circulating chamber 7, is arranged in the temperature equalization plate corresponding to the A frequency transmitting antenna installation area 1 and the A frequency receiving antenna installation area 2 with high heat flux, an independent chamber, namely a second circulating chamber 8, is arranged in the temperature equalization plate corresponding to the B frequency antenna installation area, each circulating chamber independently operates, working medium circulating flow is formed rapidly, and heat is conducted rapidly.
The isolation type open air cooling adopts a forced convection technology, and the heat control of the antenna is realized by utilizing an air cooling and fin integrated technology. The main bearing structure is provided with a plurality of dense fin air channels at the positions where the power supply module and the comprehensive control module are arranged, the two fin air channels are distributed in an L shape, and the air quantity is distributed in the fin air channels in an equivalent manner. The two fin air channels and the fan form a heat dissipation channel, so that heat transferred to the main bearing structural member by each module is rapidly taken away by the fan (the fin air channels are communicated with the atmosphere, and are open channels), the purpose of rapid heat dissipation is achieved, and meanwhile, the weight is reduced.
The isolated air-cooled air flows through the fin air channels, but does not flow through the power supply module, the comprehensive control module and other functional modules, and the cooling air channels are isolated from the equipment installation cabin (the space used for installing all the various functional modules except the fan on the main bearing structural member), so that the electronic equipment in the installation cabin is isolated from the air channels, the air flows do not contact and damage the functional modules, and the electronic equipment has good severe environment resistance.
Claims (5)
1. A satellite communication antenna main bearing structure member with high heat dissipation and miniaturization is characterized in that: the heat dissipation structure comprises an A frequency transmitting antenna installation area, an A frequency receiving antenna installation area and a B frequency antenna installation area, wherein the parts of the main bearing structure corresponding to the three areas adopt a temperature equalizing plate structure, the A frequency transmitting antenna installation area and the A frequency receiving antenna installation area correspond to a first circulation chamber of the temperature equalizing plate, the B frequency antenna installation area corresponds to a second circulation chamber of the temperature equalizing plate, and the first circulation chamber and the second circulation chamber independently operate; the main bearing structural members except the first circulation chamber and the second circulation chamber are made of solid metal plates; an isolated air cooling channel is arranged outside the temperature equalization plate and on the solid metal plate between the A frequency transmitting antenna installation area and the A frequency receiving antenna installation area;
the isolated open type air cooling channel comprises a first fin, a second fin and a fan, wherein the first fin is arranged on a temperature equalization plate between an A frequency transmitting antenna installation area and an A frequency receiving antenna installation area, the second fin is arranged on a solid metal plate between the A frequency receiving antenna installation area and a B frequency antenna installation area, the first fin and the second fin are distributed in an L shape, and the fan installation area is arranged at the position of an L-shaped inflection point; the upper parts of the first fins and the second fins are fixedly provided with structural plates, so that the first fins, the second fins and the fan form an L-shaped air cooling channel.
2. The miniaturized satellite communications antenna main bearing structure of claim 1 wherein: the A frequency transmitting antenna installation area, the A frequency receiving antenna installation area and the B frequency antenna installation area form a delta-shaped distribution.
3. The miniaturized satellite communications antenna main bearing structure of claim 1 or 2, characterized in that: the temperature equalizing plates of the A frequency transmitting antenna installation area, the A frequency receiving antenna installation area and the B frequency antenna installation area are provided with through holes penetrating through the temperature equalizing plates, and a first circulating cavity and a second circulating cavity of the temperature equalizing plates at the through holes are still of sealing structures.
4. The miniaturized satellite communications antenna main bearing structure of claim 1 wherein: and a functional module installation area is arranged on the structural plate above the first fin and the second fin.
5. The miniaturized satellite communications antenna main bearing structure of claim 1 wherein: and heat conducting gaskets are filled among the A frequency transmitting antenna, the A frequency receiving antenna, the B frequency antenna and the installation surface of the temperature equalizing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210909133.5A CN115241624B (en) | 2022-07-29 | 2022-07-29 | High-heat-dissipation miniaturized satellite communication antenna main bearing structure |
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|---|---|---|---|
| CN202210909133.5A CN115241624B (en) | 2022-07-29 | 2022-07-29 | High-heat-dissipation miniaturized satellite communication antenna main bearing structure |
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| CN115241624A CN115241624A (en) | 2022-10-25 |
| CN115241624B true CN115241624B (en) | 2023-07-04 |
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| WO2009072732A1 (en) * | 2007-12-07 | 2009-06-11 | Electronics And Telecommunications Research Institute | Antenna system for mobile vehicles |
| CN109076720A (en) * | 2016-11-25 | 2018-12-21 | 华为技术有限公司 | Heat sink, radiator and electronic equipment |
| JP2019198009A (en) * | 2018-05-10 | 2019-11-14 | 三菱電機株式会社 | Antenna device |
| CN110632561A (en) * | 2019-09-28 | 2019-12-31 | 西安电子工程研究所 | Thermal control structure of airborne radar radio frequency unit |
| CN112638131A (en) * | 2020-12-25 | 2021-04-09 | 西安电子工程研究所 | Unmanned aerial vehicle carries radar heat radiation structure |
| CN113782940A (en) * | 2021-08-31 | 2021-12-10 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | High-speed airflow through type air-cooling heat dissipation airborne antenna |
| CN113917403A (en) * | 2021-09-30 | 2022-01-11 | 中国船舶重工集团公司第七二四研究所 | Blade type receiving and dispatching assembly with efficient heat dissipation device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9147927B2 (en) * | 2013-08-14 | 2015-09-29 | The Directv Group, Inc. | Antenna systems for wireless devices |
| US11626654B2 (en) * | 2020-05-15 | 2023-04-11 | University Of South Carolina | Heat dissipating antenna structures |
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2022
- 2022-07-29 CN CN202210909133.5A patent/CN115241624B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009072732A1 (en) * | 2007-12-07 | 2009-06-11 | Electronics And Telecommunications Research Institute | Antenna system for mobile vehicles |
| CN109076720A (en) * | 2016-11-25 | 2018-12-21 | 华为技术有限公司 | Heat sink, radiator and electronic equipment |
| JP2019198009A (en) * | 2018-05-10 | 2019-11-14 | 三菱電機株式会社 | Antenna device |
| CN110632561A (en) * | 2019-09-28 | 2019-12-31 | 西安电子工程研究所 | Thermal control structure of airborne radar radio frequency unit |
| CN112638131A (en) * | 2020-12-25 | 2021-04-09 | 西安电子工程研究所 | Unmanned aerial vehicle carries radar heat radiation structure |
| CN113782940A (en) * | 2021-08-31 | 2021-12-10 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | High-speed airflow through type air-cooling heat dissipation airborne antenna |
| CN113917403A (en) * | 2021-09-30 | 2022-01-11 | 中国船舶重工集团公司第七二四研究所 | Blade type receiving and dispatching assembly with efficient heat dissipation device |
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| CN115241624A (en) | 2022-10-25 |
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