CN203574091U - Heat prevention and insulation S frequency band antenna - Google Patents
Heat prevention and insulation S frequency band antenna Download PDFInfo
- Publication number
- CN203574091U CN203574091U CN201320681298.8U CN201320681298U CN203574091U CN 203574091 U CN203574091 U CN 203574091U CN 201320681298 U CN201320681298 U CN 201320681298U CN 203574091 U CN203574091 U CN 203574091U
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- heat insulation
- cover plate
- insulation
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Abstract
The utility model relates to the field of heat prevention and insulation special antenna, and specifically relates to a heat prevention and insulation S frequency band antenna. The antenna comprises a heat prevention and insulation antenna protection cover plate component, a feeding structure, and an antenna cavity, and is capable of achieving the functions of emitting and receiving electromagnetic wave signals. The antenna is characterized in that: the heat prevention and insulation antenna protection cover plate component comprises a heat prevention antenna cover plate (1) and a heat insulation layer (2, 3, 4, 5); wherein the cross section of the heat prevention cover plate (1) is in an inverted U-shape, the antenna cavity is covered by the heat prevention antenna cover plate (1), the heat insulation layer (2,3,4,5) has a layered structure, and a metal sheet is arranged between each two layers of the heat insulation layer. A heat insulation layer is integrated into an antenna, and this integrated design provides a novel thought for the design of heat prevention and insulation antenna. This design method can greatly reduced the embedding depth of the antenna in an antenna window, and improves the radiation efficiency of the antenna. Moreover the size of the radiation sheet and the structure of the feeding network can be changed so as to satisfy the requirements of different frequencies.
Description
Technical field
The utility model relates to anti-heat insulation extraordinary field of antenna, is specifically related to method and a kind of anti-heat insulation S band antenna based on the method design of a kind of anti-heat insulation antenna protection cover plate and antenna integrated design.
Background technology
Under some special application scenario, the design of antenna need to be considered anti-heat-insulating problem.In design, by anti-heat insulation antenna protection cover plate, prevent that the heat of antenna outer surface is delivered to antenna inside by antenna on the one hand, need on the other hand to consider the impact of anti-heat insulation antenna protection cover plate on antenna performance.
Generally, the existence of antenna protection cover plate makes antenna body embedded, causes the decline with antenna performance that narrows of antenna beam.Along with the rising of ambient temperature, in order to guarantee that antenna can normally work, the thickness of anti-heat insulation antenna protection cover plate also increases thereupon, and the performance of antenna declines thereupon.For antenna under severe hot environment externally still can guarantee that wider wave beam covers and good radiation efficiency; need to carry out integrated design to anti-heat insulation antenna protection cover plate and antenna; the embedded degree of depth of the radiation actinal surface of antenna is reduced as far as possible, thereby guarantee the performance of antenna.
Summary of the invention
The utility model object is for the existing deficiency of prior art, provides according to facing a kind of novel anti-heat insulation S band antenna that under outside hot environment, anti-heat insulation antenna protection cover plate and antenna integrated design obtain.
Realize the technical scheme of the utility model object: a kind of anti-heat insulation S band antenna, comprising: prevent heat insulation antenna protection cover plate assembly, feed structure and antenna cavity, realize the function of antenna sending and receiving electromagnetic wave signal; Wherein, anti-heat insulation antenna protection cover plate assembly comprises solar heat protection antenna cover and thermal insulation layer, and solar heat protection antenna cover cross section is for falling " U " shape structure, cover antenna chamber; Thermal insulation layer is layer structure, between every 2 layers of thermal insulation layer, is coated with metal patch.
A kind of anti-heat insulation S band antenna as above, wherein, described antenna cavity is surrounded described feed structure.
A kind of anti-heat insulation S band antenna as above, wherein, described feed structure comprises: 4 mushroom metal columns and be printed on the microwave printed board of microstrip circuit; 4 mushroom metal columns symmetry arrangement centered by the center of circle of microwave printed board, through being welded on the microstrip circuit at the microwave printed board back side after 4 via holes on microwave printed board.
Effect of the present utility model is:
1) utilize feeding network and the antenna feed structure on layer dielectric substrate, by coupling feed way, electromagnetic energy can be coupled in the radiation patch on upper strata by anti-heat insulation antenna cover, avoided directly metal connection between upper/lower layer metallic paster, made heat can not between levels, pass through metal conduction.
2) anti-heat insulation antenna cover is used the material of low thermal conductivity to make, and can stop that outside heat transmits on antenna feeding network and the mounting structure that is connected with antenna.
3) use magnetron sputtering technique at the top metallization paster of anti-thermal insulation layer the radiation patch as antenna, can effectively reduce the embedded degree of depth of antenna, improve the radiation efficiency of antenna.
In the present invention, the method for anti-thermal insulation layer and antenna integrated design provides new thinking for preventing the design of heat insulation antenna.Use this method for designing, can greatly reduce the embedded degree of depth of antenna under antenna window, improve the radiation efficiency of antenna.Can be by changing the size of radiation patch, the methods such as the structure of feeding network meet the requirement of different operating frequency.Can be widely used in the military fields such as Spacecraft TT&C, communication, there is very strong Practical significance.
Accompanying drawing explanation
Fig. 1 is anti-heat insulation S band antenna end view.
Fig. 2 is anti-heat insulation S band antenna feed structure vertical view.
Fig. 3 is microwave printed board schematic diagram.
Wherein, 1-solar heat protection antenna cover, 2,3,4,5-thermal insulation layer, 6,7,8-circular metal paster, 9a, 9b, 9c, 9d-metal column, 10-antenna pressing plate, 11-metab, 12-microwave printed board, 13-metal column is welded on the solder joint on microstrip circuit 20,14-metal base plate, 15a, 15b-metallic screw, 16a, 16b-metallic screw, 17-radio frequency connector, 18a, 18b, 18c, 18d-metallic screw, the metal ground in 19-microwave printed board front, the microstrip circuit at the 20-microwave printed board back side.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Anti-heat insulation S band antenna described in the utility model is by preventing that heat insulation antenna protection cover plate assembly, feed structure, antenna cavity, antenna pressing plate four parts form; adopt the mode of pressing plate to be fixed, still herein; this is not the restriction to fixed form, can adopt alternate manner to be fixed yet.
Wherein, antenna protection cover plate is comprised of solar heat protection antenna cover and thermal insulation layer, use magnetron sputtering technique on thermal insulation layer plating as the radiation patch of S band antenna.In accordance with the order from top to bottom, totally three circular metal pasters, its diameter is respectively 100mm, 98mm and 96mm.Mode by electromagnetic coupled between three metal patches by electromagnetic energy to external radiation.Owing to not having metal straight to connect in succession between paster, can avoid heat inner by metal conduction from antenna outside to antenna, realized the integrated of Antenna Design and anti-Design on thermal insulation.
The feed structure of anti-heat insulation S band antenna is comprised of the microwave printed board with microstrip circuit and four mushroom metal columns.Mushroom metal column is welded on microstrip circuit after passing four via holes on microwave printed board.Microstrip circuit effect on microwave printed board is impedance matching, makes input impedance and 50 ohm of matched well of anti-heat insulation S band antenna.
Electromagnetic field leakage in order to prevent that feed structure from producing, has designed an antenna cavity feed structure has been wrapped up.Antenna cavity is comprised of antenna base and Antenna baseplate, by four metallic screws, microwave printed board is fixed on antenna base.Then radio frequency connector and Antenna baseplate are arranged on antenna base.Finally, use metallic screw will prevent that by antenna pressing plate heat insulation antenna protection cover plate and antenna cavity couple together and fix.
Concrete form is referring to schematic diagram.
Fig. 1 is the end view of anti-heat insulation S band antenna.Wherein 1 is solar heat protection antenna cover in antenna protection cover plate assembly, and in accordance with the order from top to bottom, 2,3,4,5 is the thermal insulation layer in antenna protection cover plate assembly, and its thickness is respectively 15mm, 15mm, 15mm and 5mm.6,7,8 be respectively and use magnetron sputtering technique to be plated in the circular metal paster on thermal insulation layer 3,4,5.
Fig. 2 is anti-heat insulation S band antenna feed structure vertical view.The feed structure of this antenna is comprised of four mushroom metal columns and the microwave printed board that is printed on microstrip circuit.Fig. 3 is microwave printed board schematic diagram.9a, 9b, 9c and 9d are four mushroom metal columns, the 12nd, and microwave printed board, the 20th, the microstrip circuit at the microwave printed board back side, the 19th, the metal ground in microwave printed board front.Four mushroom metal columns symmetry arrangement centered by the microwave printed board center of circle, through being welded on the microstrip circuit at the microwave printed board back side after four via holes on microwave printed board.The 13rd, metal column is welded on the solder joint on microstrip circuit 20.Whole feed structure is connected on metab 11 by four metallic screw 18a, 18b, 18c and 18d.Radio frequency connector 17 is welded to connect by the via hole on metab 11 sidewalls and microstrip circuit 20.After feed structure installs, by metal base plate 14 use metallic screw 16a, 16b, be arranged on metab 11.Finally, with metallic screw 15a, 15b, antenna pressing plate 10, antenna protection cover plate assembly and antenna cavity are installed together and are fixed.
In addition, can make antenna be operated in different operating frequencies by changing the mode of metal patch size, feed structure size and adjustment microstrip circuit, make this antenna form there is adaptability flexibly.
According to said structure, in order to improve the problem that antenna radiation performance declines under anti-heat insulation antenna protection cover plate, the present invention carries out integrated design by antenna radiator and anti-heat insulation antenna protection cover plate.Based on this method for designing, a kind of novel anti-heat insulation S band antenna has been proposed.
1) part using anti-heat insulation antenna protection cover plate as antenna radiator.On the one hand, anti-heat insulation antenna protection cover plate can make by the coupling of electromagnetic energy electromagnetic energy in lower floor's feed structure be coupled in the radiation patch on upper strata externally to carry out electromagnetic radiation; On the other hand, anti-heat insulation antenna protection cover plate has good anti-effect of heat insulation, can so that outside heat can not be transmitted to antenna feed structure and the mounting structure that is connected with antenna in.
2) adopt the mode of coupling feed to carry out feed to the radiation patch of antenna, the mode of coupling feed makes do not have direct metal to be connected between upper strata radiation patch and lower floor feed structure, thereby has avoided outside heat directly to conduct in the mounting structure that enters lower floor's feed structure and be connected with antenna by metal.
3) adopt the material of low thermal conductivity to make anti-heat insulation antenna cover, meanwhile, anti-heat insulation antenna cover is also a part for antenna radiator.
4) adopt magnetron sputtering technique plating paster on anti-thermal insulation layer, the size of metal patch can be determined according to the requirement of Antenna Design.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.If these are revised and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (3)
1. an anti-heat insulation S band antenna, comprising: prevent heat insulation antenna protection cover plate assembly, feed structure and antenna cavity, realize the function of antenna sending and receiving electromagnetic wave signal; It is characterized in that, anti-heat insulation antenna protection cover plate assembly comprises solar heat protection antenna cover (1) and thermal insulation layer (2,3,4,5), and solar heat protection antenna cover (1) cross section is for falling " U " shape structure, cover antenna chamber; Thermal insulation layer (2,3,4,5) is layer structure, between every 2 layers of thermal insulation layer, is coated with metal patch.
2. a kind of anti-heat insulation S band antenna as claimed in claim 1, is characterized in that, described antenna cavity is surrounded described feed structure.
3. a kind of anti-heat insulation S band antenna as claimed in claim 2, is characterized in that, described feed structure comprises: 4 mushroom metal columns (9a, 9b, 9c, 9d) and be printed on the microwave printed board (12) of microstrip circuit; 4 mushroom metal columns (9a, 9b, 9c, 9d) symmetry arrangement centered by the center of circle of microwave printed board (12), through being welded on the microstrip circuit at microwave printed board (12) back side after 4 via holes on microwave printed board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681298.8U CN203574091U (en) | 2013-10-31 | 2013-10-31 | Heat prevention and insulation S frequency band antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681298.8U CN203574091U (en) | 2013-10-31 | 2013-10-31 | Heat prevention and insulation S frequency band antenna |
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| Publication Number | Publication Date |
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| CN203574091U true CN203574091U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320681298.8U Expired - Fee Related CN203574091U (en) | 2013-10-31 | 2013-10-31 | Heat prevention and insulation S frequency band antenna |
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| CN (1) | CN203574091U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048073A (en) * | 2015-08-04 | 2015-11-11 | 北京航天长征飞行器研究所 | C-frequency band directional diagram forming coupling heat antenna |
| CN105987651A (en) * | 2015-01-30 | 2016-10-05 | 北京临近空间飞行器系统工程研究所 | Heat-storage type rocket conformal antenna structure |
| US9586861B2 (en) | 2011-10-28 | 2017-03-07 | Corning Incorporated | Glass articles with discrete metallic silver layers and methods for making the same |
| CN106654553A (en) * | 2016-11-29 | 2017-05-10 | 北京航天长征飞行器研究所 | C-band broadband pattern shaped antenna |
| WO2018177010A1 (en) * | 2017-03-29 | 2018-10-04 | 比亚迪股份有限公司 | Antenna, interrogator antenna, transponder antenna, and response system |
| US10116035B2 (en) | 2015-04-30 | 2018-10-30 | Corning Incorporated | Electrically conductive articles with discrete metallic silver layers and methods for making same |
| CN116154464A (en) * | 2023-03-15 | 2023-05-23 | 南京航空航天大学 | High-resistance Wen Gong caliber wide beam antenna |
-
2013
- 2013-10-31 CN CN201320681298.8U patent/CN203574091U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9586861B2 (en) | 2011-10-28 | 2017-03-07 | Corning Incorporated | Glass articles with discrete metallic silver layers and methods for making the same |
| US9975805B2 (en) | 2011-10-28 | 2018-05-22 | Corning Incorporated | Glass articles with infrared reflectivity and methods for making the same |
| US11535555B2 (en) | 2011-10-28 | 2022-12-27 | Corning Incorporated | Glass articles with infrared reflectivity and methods for making the same |
| CN105987651A (en) * | 2015-01-30 | 2016-10-05 | 北京临近空间飞行器系统工程研究所 | Heat-storage type rocket conformal antenna structure |
| US10116035B2 (en) | 2015-04-30 | 2018-10-30 | Corning Incorporated | Electrically conductive articles with discrete metallic silver layers and methods for making same |
| CN105048073A (en) * | 2015-08-04 | 2015-11-11 | 北京航天长征飞行器研究所 | C-frequency band directional diagram forming coupling heat antenna |
| CN105048073B (en) * | 2015-08-04 | 2018-02-09 | 北京航天长征飞行器研究所 | A kind of C frequency ranges directional diagram figuration couples thermal antenna |
| CN106654553A (en) * | 2016-11-29 | 2017-05-10 | 北京航天长征飞行器研究所 | C-band broadband pattern shaped antenna |
| WO2018177010A1 (en) * | 2017-03-29 | 2018-10-04 | 比亚迪股份有限公司 | Antenna, interrogator antenna, transponder antenna, and response system |
| CN116154464A (en) * | 2023-03-15 | 2023-05-23 | 南京航空航天大学 | High-resistance Wen Gong caliber wide beam antenna |
| CN116154464B (en) * | 2023-03-15 | 2024-02-20 | 南京航空航天大学 | High-resistance Wen Gong caliber wide beam antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20171031 |