CN104516087B - A kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum - Google Patents
A kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum Download PDFInfo
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- CN104516087B CN104516087B CN201410788389.0A CN201410788389A CN104516087B CN 104516087 B CN104516087 B CN 104516087B CN 201410788389 A CN201410788389 A CN 201410788389A CN 104516087 B CN104516087 B CN 104516087B
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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
A kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum, belong to space optical remote sensor thermal control technical field, solve in the prior art the technical problem of the temperature consistency that mirror body heating temperature is uneven, stability is typically and mirror body and supporting construction between；The present invention includes internal layer temperature regulating device, outer layer temperature regulating device and reflecting mirror support structure；The internal layer temperature regulating device is identical with outer layer temperature regulating device structure, and between internal layer temperature regulating device and outer layer temperature regulating device, in internal layer temperature regulating device, reflecting mirror support structure is between internal layer temperature regulating device and outer layer temperature regulating device for speculum for reflecting mirror support structure；The temperature of speculum is controlled by the temperature of radiator in control, and the temperature of supporting construction is controlled by controlling external radiation device temperature, be effectively guaranteed the uniformity of reflector and supporting construction temperature.
Description
Technical field
The invention belongs to space optical remote sensor thermal control technical field, and in particular to one kind is anti-for space optical remote sensor
Penetrate the sandwich-type precision thermal controls apparatus of mirror.
Background technology
With the development and the continuous lifting of space optical remote sensor performance of space survey techniques, to space optical remote
The control of device mirror temperature requires also more and more higher, because the temperature of space optical remote sensor speculum and its supporting construction is steady
Qualitative and temperature homogeneity is the principal element for influenceing image quality.The heat control method of Traditional Space optical sensor speculum
It is that heater is set on speculum and its supporting construction component, is passed by pasting the temperature on speculum and its supporting construction
Sensor feedback temperature, temperature is controlled by the heat time of temperature measurement and control instrument regulation heater, is controlled by this method
Space optical remote sensor speculum and its supporting construction temperature block radiant heating of the heater to speculum due to supporting construction,
So that speculum is heated uneven, cause mirror body heating temperature uneven；Heater is remote apart from speculum, mirror
Temperature is more long to the response time of heater, and mirror body has temperature fluctuation phenomenon in temperature controlled processes, causes anti-
The temperature stability for penetrating mirror is poor；Temperature consistency between mirror body and supporting construction is poor, influences reflecting mirror surface shape precision.
The content of the invention
It is an object of the invention to provide a kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum, solve
The temperature that mirror body heating temperature is uneven in the prior art, stability is typically and mirror body and supporting construction between
The technical problem of uniformity difference.
A kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum of the present invention, including internal layer temperature control dress
Put, outer layer temperature regulating device and reflecting mirror support structure；The internal layer temperature regulating device is identical with outer layer temperature regulating device structure, speculum
Supporting construction is between internal layer temperature regulating device and outer layer temperature regulating device；
Internal layer temperature regulating device includes interior radiator, interior heat insulating mattress, Titanium Alloy Screw, interior multilayer insulation component and internal layer temperature control
Loop；N internal layer temperature control loop is pasted in four side walls of the outer surface of interior radiator and bottom respectively, and internal layer temperature control loop includes
Two interior temperature sensors and m piece internal heaters, two interior temperature sensors are used to gather the temperature of heater；In interior radiator
Surface has high emissivity coating, and interior multilayer insulation component is coated on the outer surface of interior radiator by velcro, interior spoke
Emitter is fixedly connected on reflecting mirror support structure by Titanium Alloy Screw and interior heat insulating mattress；
Outer layer temperature regulating device includes external radiation device, outer heat insulating mattress, Titanium Alloy Screw, outer multilayer insulation component and outer layer temperature control
Loop；N outer layer temperature control loop is pasted in four side walls of the outer surface of external radiation device and bottom respectively, and outer layer temperature control loop includes
Two outer temperature sensors and m piece internal heaters, two outer temperature sensors are used to gather the temperature of heater；In external radiation device
Surface has high emissivity coating, and outer multilayer insulation component is coated on the outer surface of interior radiator by velcro, outer spoke
Emitter is fixedly connected on reflecting mirror support structure by Titanium Alloy Screw and interior heat insulating mattress.
The reflecting mirror support structure includes support frame, mounting surface and flexible support；Support frame is fixed by mounting surface and connected
It is connected on external radiation device, on support frame, flexible support is used to support speculum flexible support.
Described two interior temperature sensors (4) are no more than 5mm apart from the maximum distance of m pieces internal heater (3).
Described two outer temperature sensors (6) are no more than 5mm apart from the maximum distance of m pieces outer heating device (5).
N >=1.
M >=1.
The interior multilayer insulation component is 5 unit insulating assemblies, per elementary layer insulating assembly by one layer of two-sided metallized film
Constituted with one layer of terylene net.
The outer multilayer insulation component is 10 unit insulating assemblies, per elementary layer insulating assembly by one layer of two-sided metallized film
Constituted with one layer of terylene net.
Advantageous Effects of the invention：The inner surface of radiator has high emissivity coating in of the invention, and outside table glues
Patch internal heater and interior temperature sensor, form high emissivity cavity, mirror body between interior radiator and mirror body
It is heated evenly, it is ensured that the quick response and controlled temperature of mirror temperature are good.The inner surface of external radiation device is with height
Outer heating device and outer temperature sensor are pasted in emissivity coating, outer surface, and high emission is formed between external radiation device and interior radiator
Rate cavity, it is ensured that external radiation device forms effective radiant heating to supporting construction, supporting construction is heated evenly；Outside interior radiator
The interior multilayer insulation component on surface can effectively reduce the influence of the internal radiator temperature of external radiation device, it is ensured that mirror temperature
Stability, the outer multilayer insulation component of external radiation device outer surface can effectively reduce the shadow of the external radiator temperature of external environment condition
Ring, it is ensured that the stability of supporting construction；The temperature of speculum is controlled by the temperature of radiator in control, and by control
External radiation device temperature controls the temperature of supporting construction, is effectively guaranteed the uniformity of reflector and supporting construction temperature.
Brief description of the drawings
Fig. 1 is a kind of structural representation of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum of the present invention
Figure；
Fig. 2 is a kind of schematic diagram of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum of the present invention；
Wherein, 1, interior radiator, 2, external radiation device, 3, internal heater, 4, interior temperature sensor, 5, outer heating device, 6, outer
Temperature sensor, 7, reflecting mirror support structure, 8, mounting surface, 9, interior heat insulating mattress, 10, flexible support, 11, outer heat insulating mattress, 12, interior
Multilayer insulation component, 13, outer multilayer insulation component.
Specific embodiment
The present invention is further elaborated below in conjunction with the accompanying drawings.
Specific embodiment one：
Referring to accompanying drawing 1 and accompanying drawing 2, a kind of sandwich-type precision thermal control dress for space optical remote sensor speculum of the present invention
Put, including internal layer temperature regulating device, outer layer temperature regulating device and reflecting mirror support structure, internal layer temperature regulating device and outer layer temperature regulating device
Structure is identical, and reflecting mirror support structure 7 is between internal layer temperature regulating device and outer layer temperature regulating device；
Internal layer temperature regulating device includes interior radiator 1, interior heat insulating mattress 9, Titanium Alloy Screw, interior multilayer insulation component 12 and internal layer
Temperature control loop；N internal layer temperature control loop is pasted in four side walls of the outer surface of interior radiator 1 and bottom respectively, and internal layer temperature control is returned
Road includes two interior temperature sensors 4 and m pieces internal heater 3, and two interior temperature sensors 4 are used to gather the temperature of heater；
The inner surface of interior radiator 1 has high emissivity coating, and interior multilayer insulation component 12 is coated on interior radiator 1 by velcro
On outer surface, 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 layer temperature regulating device includes external radiation device 2, outer heat insulating mattress 11, Titanium Alloy Screw, outer multilayer insulation component 13 and outer
Layer temperature control loop；N outer layer temperature control loop, outer layer temperature control are pasted in four side walls of the outer surface of external radiation device 2 and bottom respectively
Loop includes two outer temperature sensors 6 and m pieces internal heater 3, and two outer temperature sensors 6 are used to gather the temperature of heater
Degree；The inner surface of external radiation device 2 has high emissivity coating, and outer multilayer insulation component 13 is coated on interior radiator by velcro
On 1 outer surface, 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
On.
The reflecting mirror support structure 7 includes support frame, mounting surface 8 and flexible support 10；Support frame is solid by mounting surface 8
Surely it is connected on external radiation device 2, on support frame, flexible support 10 is used to support speculum flexible support 10.
Speculum in internal layer temperature regulating device, mirror support mechanism internal layer temperature regulating device and outer layer temperature regulating device it
Between.
Described two interior temperature sensors (4) are no more than 5mm apart from the maximum distance of m pieces internal heater (3).
Described two outer temperature sensors (6) are no more than 5mm apart from the maximum distance of m pieces outer heating device (5).
N >=1.
M >=1.
The interior multilayer insulation component 12 be 5 unit insulating assemblies, per elementary layer insulating assembly by one layer it is two-sided aluminize it is thin
Film and one layer of terylene net composition.
The outer multilayer insulation component 13 be 10 unit insulating assemblies, per elementary layer insulating assembly by one layer it is two-sided aluminize it is thin
Film and one layer of terylene net composition.
The inner surface of interior radiator 1 is with coating for the inner surface of interior radiator 1 carries out black anodizing treatment or painting
Pitch-dark, slin emissivity is not less than 0.85.
The inner surface of external radiation device 2 is with coating for the inner surface of external radiation device 2 carries out black anodizing treatment or painting
Pitch-dark, slin emissivity is not less than 0.85.
Specific embodiment two：
The present embodiment is that four side walls of the outer surface of interior radiator 1 and bottom paste 1 respectively with the difference of embodiment one
Individual temperature control loop, each temperature control loop use 2 interior temperature sensors 4 and 1 internal heater 3, two interior temperature sensors 4 away from
It is 3mm with a distance from internal heater 3；
1 temperature control loop is pasted in four side walls of the outer surface of external radiation device 2 and bottom respectively, and each temperature control loop uses 2
Branch outer temperature sensor 6 and 1 outer heating device 5, the distance of two outer temperature sensors 6 away from heating plate are 3mm.
Mode of specifically having a try three：
The present embodiment is that four side walls of the outer surface of interior radiator 1 and bottom paste 1 respectively with the difference of embodiment one
Individual temperature control loop, 4 each temperature control loops of side wall use 2 interior temperature sensors 4 and 2 internal heaters 3, two interior temperature
Sensor 4 is between 2 internal heaters 3, and the distance of 2 interior temperature sensors 4 away from two panels heating plate is 5mm, bottom
Temperature control loop uses 2 interior temperature sensors 4 and 4 internal heaters 3；2 interior temperature sensors 4 are in 4 internal heaters 3
Between position, and the distance of 2 interior temperature sensors 4 away from 4 heaters is 5mm；
1 temperature control loop, 4 each temperature controls of side wall are pasted in four side walls of the outer surface of external radiation device 2 and bottom respectively
Loop use 2 outer temperature sensors 6 and 2 outer heating devices 5, two outer temperature sensors 6 between 2 outer heating devices 5, and
The distance of 2 outer temperature sensors 6 away from two panels heating plate is 5mm, and the temperature control loop of bottom uses 2 outer temperature sensors 6
With 4 outer heating devices 5；2 outer temperature sensors 6 are in 4 centre positions of outer heating device 5, and 2 outer temperature sensors 6 are away from 4
The distance of piece heater is 5mm.
Claims (6)
1. a kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum, it is characterised in that including internal layer control
Warm device, outer layer temperature regulating device and reflecting mirror support structure, internal layer temperature regulating device are identical with the structure of outer layer temperature regulating device, reflection
Mirror supporting construction (7) is between internal layer temperature regulating device and outer layer temperature regulating device；
Internal layer temperature regulating device includes interior radiator (1), interior heat insulating mattress (9), Titanium Alloy Screw, interior multilayer insulation component (12) and interior
Layer temperature control loop；N internal layer temperature control loop, internal layer control are pasted in four side walls of the outer surface of interior radiator (1) and bottom respectively
Temperature loops include two interior temperature sensors (4) and m pieces internal heater (3), and two interior temperature sensors (4) are heated for gathering
The temperature of device；Interior radiator (1) inner surface has high emissivity coating, and interior multilayer insulation component (12) is coated by velcro
On the outer surface of interior radiator (1), interior radiator bottom is fixedly connected on reflection by Titanium Alloy Screw and interior heat insulating mattress (9)
In mirror supporting construction (7)；
Outer layer temperature regulating device include external radiation device (2), outer heat insulating mattress (11), Titanium Alloy Screw, outer multilayer insulation component (13) and
Outer layer temperature control loop；N outer layer temperature control loop, outer layer are pasted in four side walls of the outer surface of external radiation device (2) and bottom respectively
Temperature control loop includes two outer temperature sensors (6) and m pieces outer heating device (5), and two outer temperature sensors (6) add for gathering
The temperature of hot device；External radiation device (2) inner surface has high emissivity coating, and outer multilayer insulation component (13) is by velcro bag
Overlay on interior radiator（1）Outer surface on, external radiation device (2) is fixedly connected on instead by Titanium Alloy Screw and interior heat insulating mattress (9)
Penetrate in mirror supporting construction (7)；
The reflecting mirror support structure (7) includes support frame, mounting surface (8) and flexible support (10)；Support frame passes through mounting surface
(8) it is fixedly connected on external radiation device (2), on support frame, flexible support (10) is for supporting speculum for flexible support (10)；
The outer multilayer insulation component (13) is 10 unit insulating assemblies, per elementary layer insulating assembly by one layer of two-sided metallized film
Constituted with one layer of terylene net.
2. a kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum according to claim 1, its
It is characterised by, described two interior temperature sensors (4) are no more than 5mm apart from the maximum distance of m pieces internal heater (3).
3. a kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum according to claim 1, its
It is characterised by, described two outer temperature sensors (6) are no more than 5mm apart from the maximum distance of m pieces outer heating device (5).
4. a kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum according to claim 1, its
It is characterised by, n >=1.
5. a kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum according to claim 1, its
It is characterised by, m >=1.
6. a kind of sandwich-type precision thermal controls apparatus for space optical remote sensor speculum according to claim 1, its
It is characterised by, the interior multilayer insulation component (12) is 5 unit insulating assemblies, two-sided is aluminized by one layer per elementary layer insulating assembly
Film and one layer of terylene net composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN104516087A CN104516087A (en) | 2015-04-15 |
| CN104516087B true CN104516087B (en) | 2017-06-09 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106304796B (en) * | 2016-09-29 | 2018-03-02 | 中国科学院西安光学精密机械研究所 | Multifunctional composite electronic box for spacecraft |
| CN107703602B (en) * | 2017-09-26 | 2019-10-29 | 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 |
| CN110376704B (en) * | 2019-06-25 | 2021-03-19 | 中国科学院长春光学精密机械与物理研究所 | Temperature control cover of space optical reflector |
| CN112666670B (en) * | 2019-09-30 | 2022-11-18 | 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 |
| CN111246607B (en) * | 2020-01-14 | 2022-03-15 | 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 |
| 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 |
| 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 |
| 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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