CN104516087A - Sandwich precision thermal controller for spatial optical remote sensor reflector - Google Patents
Sandwich precision thermal controller for spatial optical remote sensor reflector Download PDFInfo
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- CN104516087A CN104516087A CN201410788389.0A CN201410788389A CN104516087A CN 104516087 A CN104516087 A CN 104516087A CN 201410788389 A CN201410788389 A CN 201410788389A CN 104516087 A CN104516087 A CN 104516087A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
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Abstract
The invention relates to a sandwich precision thermal controller for a spatial optical remote sensor reflector, belongs to the technical field of thermal control of spatial optical remote sensors and solves the technical problems that the prior reflector mirror is unevenly heated and has ordinary stability and temperatures of the reflector mirror and a support structure are non-uniform. The sandwich precision thermal controller comprises an inner temperature control device, an outer temperature control device and a reflector support structure; the inner temperature control device and the outer temperature control device are identical in structure; the reflector support structure is disposed between the inner temperature control device and the outer temperature control device; a reflector is disposed in the inner temperature control device; the reflector support structure is disposed between the inner temperature control device and the outer temperature control device. The temperature of the reflector is controlled through controlling the temperature of an inner radiator, the temperature of the support structure is controlled through controlling the temperature of an outer radiator, and temperature uniformity is effectively ensured for the reflector and the support structure.
Description
Technical field
The invention belongs to space optical remote sensor thermal control technical field, be specifically related to the accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron.
Background technology
Along with the development of space survey techniques and the continuous lifting of space optical remote sensor performance, also more and more higher to the control overflow of space optical remote sensor mirror temperature, because the temperature stability of space optical remote sensor catoptron and supporting construction thereof and temperature homogeneity are the principal elements affecting image quality.The heat control method of Traditional Space optical sensor catoptron arranges well heater on catoptron and supporting construction assembly thereof, by pasting the temperature sensor feedback temperature on catoptron and supporting construction thereof, the heat time control temperature of well heater is regulated by temperature measurement and control instrument, controlling space optical remote sensor catoptron and supporting construction temperature thereof by this method due to supporting construction blocks the radiation heating of well heater to catoptron, catoptron is heated uneven, causes mirror body heating temperature uneven; Well heater distance catoptron is far away, and the response time of mirror temperature to well heater is longer, and in temperature controlled processes, mirror body exists temperature fluctuation phenomenon, causes the temperature stability of catoptron poor; Temperature consistency between mirror body and supporting construction is poor, affects reflecting mirror surface shape precision.
Summary of the invention
Object of the present invention provides a kind of sandwich-type for space optical remote sensor catoptron accurate thermal controls apparatus, to solve in prior art that mirror body heating temperature is uneven, stability general and the technical matters of temperature consistency difference between mirror body and supporting construction.
The accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron of the present invention, comprises internal layer temperature regulating device, outer temperature regulating device and reflecting mirror support structure; Described internal layer temperature regulating device is identical with outer temperature regulating device structure, and reflecting mirror support structure is between internal layer temperature regulating device and outer temperature regulating device;
Internal layer temperature regulating device comprises interior radiator, interior heat insulating mattress, Titanium Alloy Screw, interior multilayer insulation assembly and internal layer temperature control loop; Four sidewalls of the outside surface of interior radiator and bottom paste n internal layer temperature control loop respectively, and internal layer temperature control loop comprises two interior temperature sensors and m sheet internal heater, and two interior temperature sensors are for gathering the temperature of well heater; Interior radiator inside surface is with high emissivity coating, and interior multilayer insulation assembly is coated on by velcro on the outside surface of interior radiator, and interior radiator is fixedly connected on reflecting mirror support structure by Titanium Alloy Screw and interior heat insulating mattress;
Outer temperature regulating device comprises external radiation device, outer heat insulating mattress, Titanium Alloy Screw, outer multilayer insulation assembly and outer temperature control loop; Four sidewalls of the outside surface of external radiation device and bottom paste n outer temperature control loop respectively, and outer temperature control loop comprises two outer temperature sensors and m sheet internal heater, and two outer temperature sensors are for gathering the temperature of well heater; External radiation device inside surface is with high emissivity coating, and outer multilayer insulation assembly is coated on by velcro on the outside surface of interior radiator, and external radiation device is fixedly connected on reflecting mirror support structure by Titanium Alloy Screw and interior heat insulating mattress.
Described reflecting mirror support structure comprises bracing frame, installed surface and flexible support; Bracing frame is fixedly connected on external radiation device by installed surface, and flexible support is on bracing frame, and flexible support is used for supporting reflex mirror.
The maximum distance of described two interior temperature sensors (4) distance m sheet internal heater (3) is all no more than 5mm.
The maximum distance of described two outer temperature sensors (6) distance m sheet external heat device (5) is all no more than 5mm.
Described n >=1.
Described m >=1.
Described interior multilayer insulation assembly is 5 unit insulating assemblies, and every elementary layer insulating assembly is made up of the two-sided metallized film of one deck and one deck terylene net.
Described outer multilayer insulation assembly is 10 unit insulating assemblies, and every elementary layer insulating assembly is made up of the two-sided metallized film of one deck and one deck terylene net.
Advantageous Effects of the present invention: in the present invention, the inside surface of radiator is with high emissivity coating, outside table pastes internal heater and interior temperature sensor, high emissivity cavity is formed between interior radiator and mirror body, mirror body is heated evenly, ensure that the quick response of mirror temperature and controlled temperature good.The inside surface of external radiation device is with high emissivity coating, outside surface pastes external heat device and outer temperature sensor, form high emissivity cavity between external radiation device and interior radiator, ensure that external radiation device forms effective radiation heating to supporting construction, supporting construction is heated evenly; The interior multilayer insulation assembly of interior radiator outside surface effectively can reduce the impact of the internal radiator temperature of external radiation device, ensure that the stability of mirror temperature, the outer multilayer insulation assembly of external radiation device outside surface effectively can reduce the impact of the external radiator temperature of external environment condition, ensure that the stability of supporting construction; Controlled the temperature of catoptron by the temperature controlling interior radiator, and control the temperature of supporting construction by controlling external radiation actuator temperature, effectively ensure that the consistance of reverberator and supporting construction temperature.
Accompanying drawing explanation
Fig. 1 is the structural representation of the accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron of the present invention;
Fig. 2 is the schematic diagram of the accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron of the present invention;
Wherein, 1, interior radiator, 2, external radiation device, 3, internal heater, 4, interior temperature sensor, 5, external heat device, 6, outer temperature sensor, 7, reflecting mirror support structure, 8, installed surface, 9, interior heat insulating mattress, 10, flexible support, 11, outer heat insulating mattress, 12, interior multilayer insulation assembly, 13, outer multilayer insulation assembly.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
Embodiment one:
See accompanying drawing 1 and accompanying drawing 2, the accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron of the present invention, comprise internal layer temperature regulating device, outer temperature regulating device and reflecting mirror support structure, internal layer temperature regulating device is identical with the structure of outer temperature regulating device, and reflecting mirror support structure 7 is between internal layer temperature regulating device and outer temperature regulating device;
Internal layer temperature regulating device comprises interior radiator 1, interior heat insulating mattress 9, Titanium Alloy Screw, interior multilayer insulation assembly 12 and internal layer temperature control loop; Four sidewalls of the outside surface of interior radiator 1 and bottom paste n internal layer temperature control loop respectively, and internal layer temperature control loop comprises two interior temperature sensors 4 and m sheet internal heater 3, two interior temperature sensors 4 for gathering the temperature of well heater; Interior radiator 1 inside surface is with high emissivity coating, and interior multilayer insulation assembly 12 is coated on the outside surface of interior radiator 1 by velcro, and interior radiator is fixedly connected on reflecting mirror support structure 7 by two groups of Titanium Alloy Screws and interior heat insulating mattress 9;
Outer temperature regulating device comprises external radiation device 2, outer heat insulating mattress 11, Titanium Alloy Screw, outer multilayer insulation assembly 13 and outer temperature control loop; Four sidewalls of the outside surface of external radiation device 2 and bottom paste n outer temperature control loop respectively, and outer temperature control loop comprises two outer temperature sensors 6 and m sheet internal heater 3, two outer temperature sensors 6 for gathering the temperature of well heater; External radiation device 2 inside surface is with high emissivity coating, and outer multilayer insulation assembly 13 is coated on the outside surface of interior radiator 1 by velcro, and external radiation device 2 is fixedly connected on reflecting mirror support structure 7 by two groups of Titanium Alloy Screws and interior heat insulating mattress 9.
Described reflecting mirror support structure 7 comprises bracing frame, installed surface 8 and flexible support 10; Bracing frame is fixedly connected on external radiation device 2 by installed surface 8, and flexible support 10 is on bracing frame, and flexible support 10 is for supporting reflex mirror.
Catoptron is in internal layer temperature regulating device, and mirror support mechanism is between internal layer temperature regulating device and outer temperature regulating device.
The maximum distance of described two interior temperature sensors (4) distance m sheet internal heater (3) is all no more than 5mm.
The maximum distance of described two outer temperature sensors (6) distance m sheet external heat device (5) is all no more than 5mm.
Described n >=1.
Described m >=1.
Described interior multilayer insulation assembly 12 is 5 unit insulating assemblies, and every elementary layer insulating assembly is made up of the two-sided metallized film of one deck and one deck terylene net.
Described outer multilayer insulation assembly 13 is 10 unit insulating assemblies, and every elementary layer insulating assembly is made up of the two-sided metallized film of one deck and one deck terylene net.
Described interior radiator 1 inside surface is that interior radiator 1 inside surface carries out black anodizing process or japanning with coating, and slin emissivity is not less than 0.85.
Described external radiation device 2 inside surface is that external radiation device 2 inside surface carries out black anodizing process or japanning with coating, and slin emissivity is not less than 0.85.
Specific embodiment two:
The difference of the present embodiment and embodiment one is, four sidewalls and the bottom of interior radiator 1 outside surface paste 1 temperature control loop respectively, each temperature control loop adopts 2 interior temperature sensors 4 and 1 internal heater, 3, two interior temperature sensors 4 to be 3mm apart from the distance of internal heater 3;
Four sidewalls of external radiation device 2 outside surface and bottom paste 1 temperature control loop respectively, and each temperature control loop adopts 2 outer temperature sensors 6 and 1 external heat device, 5, two outer temperature sensors 6 to be 3mm apart from the distance of heating plate.
Specifically to have a try mode three:
The difference of the present embodiment and embodiment one is, four sidewalls and the bottom of interior radiator 1 outside surface paste 1 temperature control loop respectively, each temperature control loop of 4 sidewalls adopts 2 interior temperature sensors 4 and 2 internal heaters 3, two interior temperature sensors 4 are between 2 internal heaters 3, and 2 interior temperature sensors 4 are 5mm apart from the distance of two panels heating plate, the temperature control loop of bottom adopts 2 interior temperature sensors 4 and 4 internal heaters 3; 2 interior temperature sensors 4 are in the centre position of 4 internal heaters 3, and 2 interior temperature sensors 4 are 5mm apart from the distance of 4 well heaters;
Four sidewalls of external radiation device 2 outside surface and bottom paste 1 temperature control loop respectively, each temperature control loop of 4 sidewalls adopts 2 outer temperature sensors 6 and 2 external heat devices 5, two outer temperature sensors 6 are between 2 external heat devices 5, and 2 outer temperature sensors 6 are 5mm apart from the distance of two panels heating plate, the temperature control loop of bottom adopts 2 outer temperature sensors 6 and 4 external heat devices 5; 2 outer temperature sensors 6 are in the centre position of 4 external heat devices 5, and 2 outer temperature sensors 6 are 5mm apart from the distance of 4 well heaters.
Claims (8)
1. the accurate thermal controls apparatus of the sandwich-type for space optical remote sensor catoptron, it is characterized in that, comprise internal layer temperature regulating device, outer temperature regulating device and reflecting mirror support structure, internal layer temperature regulating device is identical with the structure of outer temperature regulating device, and reflecting mirror support structure (7) is between internal layer temperature regulating device and outer temperature regulating device;
Internal layer temperature regulating device comprises interior radiator (1), interior heat insulating mattress (9), Titanium Alloy Screw, interior multilayer insulation assembly (12) and internal layer temperature control loop; Four sidewalls of the outside surface of interior radiator (1) and bottom paste n internal layer temperature control loop respectively, internal layer temperature control loop comprises two interior temperature sensors (4) and m sheet internal heater (3), and two interior temperature sensors (4) are for gathering the temperature of well heater; Interior radiator (1) inside surface is with high emissivity coating, interior multilayer insulation assembly (12) is coated on by velcro on the outside surface of interior radiator (1), is fixedly connected on reflecting mirror support structure (7) bottom interior radiator by Titanium Alloy Screw and interior heat insulating mattress (9);
Outer temperature regulating device comprises external radiation device (2), outer heat insulating mattress (11), Titanium Alloy Screw, outer multilayer insulation assembly (13) and outer temperature control loop; Four sidewalls of the outside surface of external radiation device (2) and bottom paste n outer temperature control loop respectively, outer temperature control loop comprises two outer temperature sensors (6) and m sheet external heat device (5), and two outer temperature sensors (6) are for gathering the temperature of well heater; External radiation device (2) inside surface is with high emissivity coating, outer multilayer insulation assembly (13) is coated on by velcro on the outside surface of interior radiator 1, and external radiation device (2) is fixedly connected on reflecting mirror support structure (7) by Titanium Alloy Screw and interior heat insulating mattress (9).
2. the accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron according to claim 1, it is characterized in that, described reflecting mirror support structure (7) comprises bracing frame, installed surface (8) and flexible support (10); Bracing frame is fixedly connected on external radiation device (2) by installed surface (8), and flexible support (10) is on bracing frame, and flexible support (10) is for supporting reflex mirror.
3. the accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron according to claim 1, it is characterized in that, the maximum distance of described two interior temperature sensors (4) distance m sheet internal heater (3) is all no more than 5mm.
4. the accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron according to claim 1, it is characterized in that, the maximum distance of described two outer temperature sensors (6) distance m sheet external heat device (5) is all no more than 5mm.
5. the accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron according to claim 1, is characterized in that, described n >=1.
6. the accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron according to claim 1, is characterized in that, described m >=1.
7. the accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron according to claim 1, it is characterized in that, described interior multilayer insulation assembly (12) is 5 unit insulating assemblies, and every elementary layer insulating assembly is made up of the two-sided metallized film of one deck and one deck terylene net.
8. the accurate thermal controls apparatus of a kind of sandwich-type for space optical remote sensor catoptron according to claim 1, it is characterized in that, described outer multilayer insulation assembly (13) is 10 unit insulating assemblies, and every elementary layer insulating assembly is made up of the two-sided metallized film of one deck and one deck terylene net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410788389.0A CN104516087B (en) | 2014-12-17 | 2014-12-17 | A kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum |
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| CN201410788389.0A CN104516087B (en) | 2014-12-17 | 2014-12-17 | A kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum |
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| CN104516087B CN104516087B (en) | 2017-06-09 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304796A (en) * | 2016-09-29 | 2017-01-04 | 中国科学院西安光学精密机械研究所 | Multifunctional composite electronic box for spacecraft |
| CN106291864A (en) * | 2016-08-25 | 2017-01-04 | 中国科学院长春光学精密机械与物理研究所 | Reflecting mirror support structure, mirror assembly and optical remote sensing camera |
| CN106378979A (en) * | 2016-08-29 | 2017-02-08 | 中国科学院长春光学精密机械与物理研究所 | Space material thermal conductivity improvement method |
| CN107703602A (en) * | 2017-09-26 | 2018-02-16 | 中国科学院长春光学精密机械与物理研究所 | A kind of mirror assembly and preparation method thereof |
| CN110376704A (en) * | 2019-06-25 | 2019-10-25 | 中国科学院长春光学精密机械与物理研究所 | A kind of temperature control shield of space optical reflectors |
| CN111246607A (en) * | 2020-01-14 | 2020-06-05 | 西安应用光学研究所 | Local heating device for airborne photoelectric turret reflector |
| CN112666670A (en) * | 2019-09-30 | 2021-04-16 | 中国科学院长春光学精密机械与物理研究所 | Active thermal control device and method of space optical remote sensor |
| CN113138376A (en) * | 2021-05-21 | 2021-07-20 | 中国科学院长春光学精密机械与物理研究所 | Device for automatically correcting thermo-optic of laser radar |
| CN114509851A (en) * | 2021-12-28 | 2022-05-17 | 北京空间机电研究所 | Temperature-control type radiation cold screen device for heat dissipation of light inlet of large-caliber optical remote sensor |
| CN114690367A (en) * | 2020-12-30 | 2022-07-01 | 中国科学院长春光学精密机械与物理研究所 | Thermal control device for ground optical facility reflector |
| CN115617096A (en) * | 2022-12-21 | 2023-01-17 | 中国科学院长春光学精密机械与物理研究所 | Precise temperature control device for main reflector of large-caliber space optical remote sensor |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291864A (en) * | 2016-08-25 | 2017-01-04 | 中国科学院长春光学精密机械与物理研究所 | Reflecting mirror support structure, mirror assembly and optical remote sensing camera |
| CN106291864B (en) * | 2016-08-25 | 2019-04-02 | 中国科学院长春光学精密机械与物理研究所 | Reflecting mirror support structure, mirror assembly and optical remote sensing camera |
| CN106378979A (en) * | 2016-08-29 | 2017-02-08 | 中国科学院长春光学精密机械与物理研究所 | Space material thermal conductivity improvement method |
| CN106304796A (en) * | 2016-09-29 | 2017-01-04 | 中国科学院西安光学精密机械研究所 | Multifunctional composite electronic box for spacecraft |
| CN107703602A (en) * | 2017-09-26 | 2018-02-16 | 中国科学院长春光学精密机械与物理研究所 | A kind of mirror assembly and preparation method thereof |
| CN110376704A (en) * | 2019-06-25 | 2019-10-25 | 中国科学院长春光学精密机械与物理研究所 | A kind of temperature control shield of space optical reflectors |
| CN112666670A (en) * | 2019-09-30 | 2021-04-16 | 中国科学院长春光学精密机械与物理研究所 | Active thermal control device and method of space optical remote sensor |
| CN111246607A (en) * | 2020-01-14 | 2020-06-05 | 西安应用光学研究所 | Local heating device for airborne photoelectric turret reflector |
| CN114690367A (en) * | 2020-12-30 | 2022-07-01 | 中国科学院长春光学精密机械与物理研究所 | Thermal control device for ground optical facility reflector |
| CN113138376A (en) * | 2021-05-21 | 2021-07-20 | 中国科学院长春光学精密机械与物理研究所 | Device for automatically correcting thermo-optic of laser radar |
| CN113138376B (en) * | 2021-05-21 | 2023-09-22 | 中国科学院长春光学精密机械与物理研究所 | Device for thermo-optical automatic correction of laser radar |
| CN114509851A (en) * | 2021-12-28 | 2022-05-17 | 北京空间机电研究所 | Temperature-control type radiation cold screen device for heat dissipation of light inlet of large-caliber optical remote sensor |
| CN114509851B (en) * | 2021-12-28 | 2024-05-14 | 北京空间机电研究所 | Temperature-control type radiation cold screen device for heat radiation of light inlet of large-caliber optical remote sensor |
| CN115617096A (en) * | 2022-12-21 | 2023-01-17 | 中国科学院长春光学精密机械与物理研究所 | Precise temperature control device for main reflector of large-caliber space optical remote sensor |
| CN115617096B (en) * | 2022-12-21 | 2023-03-10 | 中国科学院长春光学精密机械与物理研究所 | Precise temperature control device of main reflector of large-caliber space optical remote sensor |
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