CN201332140Y - Solid-surface antenna reflector thermal control device utilizing single-layered insulating component - Google Patents
Solid-surface antenna reflector thermal control device utilizing single-layered insulating component Download PDFInfo
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- CN201332140Y CN201332140Y CNU2008201802071U CN200820180207U CN201332140Y CN 201332140 Y CN201332140 Y CN 201332140Y CN U2008201802071 U CNU2008201802071 U CN U2008201802071U CN 200820180207 U CN200820180207 U CN 200820180207U CN 201332140 Y CN201332140 Y CN 201332140Y
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- antenna reflector
- surface antenna
- individual layer
- insulating assembly
- layer insulating
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Abstract
The utility model belongs to a solid-surface antenna reflector thermal control device, in particular to a solid-surface antenna reflector thermal control device utilizing a single-layered insulating component, which comprises an insulating component mounted on the back surface of the solid-surface antenna reflector. The insulating component is a single-layered insulating component with shape matching with the back surface of the solid-surface antenna reflector, a clearance is arranged between the single-layered insulating component and the back surface of the solid-surface antenna reflector, the single-layered insulating component and the back surface of the solid-surface antenna reflector are connected via a pin, the top of the pin is adhered on the back surface of the solid-surface antenna reflector, the single-layered insulating component is clamped in a circumferential groove on the bottom of the pin, and a press sheet is arranged between the bottom of the single-layered insulating component and the bottom of the circumferential groove to prevent the single-layered insulating component falling off from the pin. The solid-surface antenna reflector thermal control device can efficiently reduce the maximum temperature difference among all the portions of the solid-surface antenna reflector. Besides, weight needed by thermal control can be reduced obviously.
Description
Technical field
The utility model belongs to a kind of solid surface antenna reflector thermal controls apparatus, is specifically related to a kind of solid surface antenna reflector thermal controls apparatus that is applicable to the employing individual layer insulating assembly of the large-scale solid surface antenna reflector of spacecraft.
Background technology
Antenna is between spacecraft and the ground station and the vitals of realizing communication between the spacecraft.Spacecraft is varied with the configuration of antenna, and wherein the most a kind of configuration of normal employing is solid surface antenna form, and reflector is the important component part of solid surface antenna.As shown in Figure 1, Gu surface antenna reflector 1 is installed in the spacecraft outside, residing thermal environment very severe.Especially large-scale solid surface antenna reflector is subjected to the influence of factors such as spacecraft and reflector self block, and its thermal environment is more abominable.Therefore need take special thermal control measure to improve the thermal environment of solid surface antenna reflector, otherwise abominable thermal environment can cause the electrical property variation of antenna system.Sometimes this adverse effect is very serious.
Gu the purpose that the thermal control of surface antenna reflector need reach generally comprises: reduce the maximum temperature of reflector as far as possible, improve the minimum temperature of reflector and reduce maximum temperature difference between the reflector each several part as far as possible as far as possible.Under the prerequisite that realizes same target,, all the more so concerning large-scale adjustable reflector Gu the needed weight of surface antenna reflector thermal control should be as far as possible little.Because reflector front (concave surface) is its working face, alternative thermal control measure mainly is a spray-coated white paint etc.The thermal control measure that the reflector back side (convex surface) can be taked is then more, as coat multilayer insulation assembly, spray-coated white paint etc., external even the practice (but this having relatively high expectations to aspects such as reflector manufacturing process) of keeping naked and not taking any thermal control measure arranged.Owing to be subjected to the restriction of aspects such as reflector manufacturing process and white paint performance, the thermal control measure that China takes at the reflector back side mainly is to coat the multilayer insulation assembly.When solid surface antenna reflector bore hour, this method can effectively be improved the thermal environment of reflector.The big and reflector summit of not excessive solid surface antenna reflector bore is to the distance of actinal surface when big, adopt this method can not effectively reduce maximum temperature difference between the reflector each several part, and the needed weight of reflector thermal control is also bigger.
Summary of the invention
The purpose of this utility model is to provide a kind of maximum temperature difference that can effectively reduce between the solid surface antenna reflector each several part, and the solid surface antenna reflector thermal controls apparatus of the needed weight of the thermal control employing individual layer insulating assembly that can significantly reduce.
Realize the technical scheme of the utility model purpose: a kind of solid surface antenna reflector thermal controls apparatus that adopts the individual layer insulating assembly, it comprises the insulating assembly that is installed in the solid surface antenna reflector back side, wherein, described insulating assembly is shape and the suitable individual layer insulating assembly in the solid surface antenna reflector back side, leave the gap between the individual layer insulating assembly and the solid surface antenna reflector back side, and connect by pin between the two, the top of pin sticks on the solid surface antenna reflector back side, the individual layer insulating assembly is stuck in the circumferential groove of pin bottom, be provided with compressing tablet between the bottom of individual layer insulating assembly bottom and circumferential groove, prevent that the individual layer insulating assembly from coming off from pin.
Described individual layer insulating assembly can as a whole shape and the suitable individual layer insulating assembly in the solid surface antenna reflector back side, and is perhaps suitable with the solid surface antenna reflector back side by the shape after two or more the individual layer insulating assembly combination.
Described individual layer insulating assembly comprises one deck heat controlled thin film and one deck terylene net, and the terylene net is between the heat controlled thin film and the solid surface antenna reflector back side of individual layer insulating assembly; Heat controlled thin film can be polyimide film aluminize in second surface mirror and the silver-plated second surface mirror of F46 film any of second surface mirror, F46 film of aluminizing, and can be that face is towards the solid surface antenna reflector back side.
At least be provided with three pins on the described individual layer insulating assembly, pin is made by polyimide material, pin sticks on the solid surface antenna reflector back side with silicon rubber, pin along the cambered surface at the solid surface antenna reflector back side evenly distribute and adjacent two pins between the cambered surface distance be 300～400mm.
Described compressing tablet is made by polyimide material, and compressing tablet is circular, and the internal diameter of compressing tablet and the internal diameter of circumferential groove are suitable, and the external diameter of compressing tablet is 3～4 times of circumferential groove external diameter, and compressing tablet one side is provided with the breach that compressing tablet can be stuck in the circumferential groove.
Useful technique effect of the present utility model: the weight of its unit are of individual layer insulating assembly that the utility model adopts is lighter, therefore can significantly reduce the needed weight of solid surface antenna reflector thermal control parts, especially true concerning large-scale solid surface antenna reflector.For self blocking the situation that causes occurring between the reflector each several part the big temperature difference because of solid surface antenna reflector, owing to adopted the individual layer insulating assembly, make reflector itself be subjected to certain heat effect, improve the temperature that solid surface antenna reflector self is blocked the position, thereby effectively reduced the maximum temperature difference between the solid surface antenna reflector each several part.
Description of drawings
Fig. 1 is the structural representation of solid surface antenna reflector commonly used on the spacecraft of the prior art;
Fig. 2 is the structural representation that the solid surface antenna reflector thermal controls apparatus of employing individual layer insulating assembly provided by the utility model is installed in solid surface antenna reflector back;
Fig. 3 is the structural representation of pin;
Fig. 4 is the structural representation of compressing tablet.
Among the figure: 1. solid surface antenna reflector; 2. individual layer insulating assembly; 3. pin; 4. compressing tablet; 5. circumferential groove; 6. breach.
Embodiment
Below in conjunction with drawings and Examples a kind of solid surface antenna reflector thermal controls apparatus of individual layer insulating assembly that adopts provided by the utility model is described in further detail.
As shown in Figure 2, a kind of solid surface antenna reflector thermal controls apparatus that adopts the individual layer insulating assembly, it comprises the insulating assembly that is installed in solid surface antenna reflector 1 back side, wherein, described insulating assembly is shape and the suitable individual layer insulating assembly 2 in solid surface antenna reflector 1 back side, leave the gap between the individual layer insulating assembly 2 and solid surface antenna reflector 1 back side, and connect by pin 3 between the two, the top of pin 3 sticks on solid surface antenna reflector 1 back side, individual layer insulating assembly 2 is stuck in the circumferential groove 5 of pin 3 bottoms, be provided with compressing tablet 4 between the bottom of individual layer insulating assembly 2 bottoms and circumferential groove 5, prevent that individual layer insulating assembly 2 from coming off from pin 3.
Described individual layer insulating assembly 2 can as a whole shape and the suitable individual layer insulating assembly 2 in solid surface antenna reflector 1 back side, also can be suitable with solid surface antenna reflector 1 back side by the shape after two or more individual layer insulating assembly 2 combinations.Described individual layer insulating assembly 2 comprises one deck heat controlled thin film and one deck terylene net; The terylene net is between the heat controlled thin film and solid surface antenna reflector 1 back side of individual layer insulating assembly 2; Heat controlled thin film can be polyimide film aluminize in second surface mirror and the silver-plated second surface mirror of F46 film any of second surface mirror, F46 film of aluminizing, heat controlled thin film can be a face towards solid surface antenna reflector 1 back side, also can be aluminize or silvered face towards solid surface antenna reflector 1 back side.
As shown in figures 1 and 3, pin 3 is made by polyimide material, pin 3 usefulness silicon rubber stick on solid surface antenna reflector 1 back side, pin 3 along the cambered surface at solid surface antenna reflector 1 back side evenly distribute and adjacent two pins 3 between the cambered surface distance be 300～400mm, be provided with three pins 3 on the individual layer insulating assembly 2 at least.
As shown in Figure 4, compressing tablet 4 is made by polyimide material, and compressing tablet 4 is circular, and the internal diameter of the internal diameter of compressing tablet 4 and circumferential groove 5 is suitable, and the external diameter of compressing tablet 4 is 3～4 times of circumferential groove 5 external diameters, and compressing tablet 4 has the breach 6 that compressing tablet 4 can be stuck in the circumferential groove 5.
Claims (5)
1. solid surface antenna reflector thermal controls apparatus that adopts the individual layer insulating assembly, it comprises the insulating assembly that is installed in solid surface antenna reflector (1) back side, it is characterized in that: described insulating assembly is shape and the suitable individual layer insulating assembly (2) in solid surface antenna reflector (1) back side, leave the gap between the individual layer insulating assembly (2) and solid surface antenna reflector (1) back side, and connect by pin (3) between the two, the top of pin (3) sticks on solid surface antenna reflector (1) back side, individual layer insulating assembly (2) is stuck in the circumferential groove (5) of pin (3) bottom, be provided with compressing tablet (4) between the bottom of individual layer insulating assembly (2) bottom and circumferential groove (5), prevent that individual layer insulating assembly (2) from coming off from pin (3).
2. a kind of solid surface antenna reflector thermal controls apparatus that adopts the individual layer insulating assembly according to claim 1, it is characterized in that: described individual layer insulating assembly (2) can as a whole shape and the suitable individual layer insulating assembly (2) in solid surface antenna reflector (1) back side, and is perhaps suitable with solid surface antenna reflector (1) back side by the shape after two or more individual layer insulating assembly (2) combination.
3. a kind of solid surface antenna reflector thermal controls apparatus that adopts the individual layer insulating assembly according to claim 1 and 2, it is characterized in that: described individual layer insulating assembly (2) comprises one deck heat controlled thin film and one deck terylene net, and the terylene net is positioned between the heat controlled thin film and solid surface antenna reflector (1) back side of individual layer insulating assembly (2); Heat controlled thin film can be polyimide film aluminize in second surface mirror and the silver-plated second surface mirror of F46 film any of second surface mirror, F46 film of aluminizing.
4. a kind of solid surface antenna reflector thermal controls apparatus that adopts the individual layer insulating assembly according to claim 1, it is characterized in that: be provided with three pins (3) on the described individual layer insulating assembly (2) at least, pin (3) is made by polyimide material, pin (3) sticks on solid surface antenna reflector (1) back side with silicon rubber, pin (3) along the cambered surface at solid surface antenna reflector (1) back side evenly distribute and adjacent two pins (3) between the cambered surface distance be 300～400mm.
5. a kind of solid surface antenna reflector thermal controls apparatus that adopts the individual layer insulating assembly according to claim 1, it is characterized in that: described compressing tablet (4) is made by polyimide material, compressing tablet (4) is circular, the internal diameter of the internal diameter of compressing tablet (4) and circumferential groove (5) is suitable, the external diameter of compressing tablet (4) is 3～4 times of circumferential groove (4) external diameter, has the breach (6) that compressing tablet (4) can be stuck in the circumferential groove (5) on the compressing tablet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201802071U CN201332140Y (en) | 2008-11-28 | 2008-11-28 | Solid-surface antenna reflector thermal control device utilizing single-layered insulating component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201802071U CN201332140Y (en) | 2008-11-28 | 2008-11-28 | Solid-surface antenna reflector thermal control device utilizing single-layered insulating component |
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| Publication Number | Publication Date |
|---|---|
| CN201332140Y true CN201332140Y (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201802071U Expired - Fee Related CN201332140Y (en) | 2008-11-28 | 2008-11-28 | Solid-surface antenna reflector thermal control device utilizing single-layered insulating component |
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| CN (1) | CN201332140Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552567A (en) * | 2015-12-09 | 2016-05-04 | 上海复合材料科技有限公司 | Antenna reflection plane and preparation method therefor |
| CN109004335A (en) * | 2018-06-19 | 2018-12-14 | 上海卫星工程研究所 | A kind of thermal control design method of the large aperture antenna suitable for mars exploration |
-
2008
- 2008-11-28 CN CNU2008201802071U patent/CN201332140Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552567A (en) * | 2015-12-09 | 2016-05-04 | 上海复合材料科技有限公司 | Antenna reflection plane and preparation method therefor |
| CN109004335A (en) * | 2018-06-19 | 2018-12-14 | 上海卫星工程研究所 | A kind of thermal control design method of the large aperture antenna suitable for mars exploration |
| CN109004335B (en) * | 2018-06-19 | 2021-07-30 | 上海卫星工程研究所 | Thermal control design method of large-caliber antenna suitable for Mars detection |
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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 |
Granted publication date: 20091021 Termination date: 20141128 |
|
| EXPY | Termination of patent right or utility model |