CN115291458A - Satellite-borne camera multi-difference power consumption refrigerating unit, combined heat control method and satellite - Google Patents
Satellite-borne camera multi-difference power consumption refrigerating unit, combined heat control method and satellite Download PDFInfo
- Publication number
- CN115291458A CN115291458A CN202210870706.8A CN202210870706A CN115291458A CN 115291458 A CN115291458 A CN 115291458A CN 202210870706 A CN202210870706 A CN 202210870706A CN 115291458 A CN115291458 A CN 115291458A
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- heat pipe
- dissipation plate
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 45
- 239000000945 filler Substances 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000004069 differentiation Effects 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
Abstract
The invention provides a satellite-borne camera multi-difference power consumption refrigerating unit, a combined heat control method and a satellite, wherein the method comprises the following steps: the system comprises a plurality of different power consumption refrigerators, an external heat pipe, a temperature-equalizing heat pipe, a heat conducting filler and a heat dissipation plate; the plurality of the differential power consumption refrigerators are arranged in the heat dissipation plate and connected with one end of the externally attached heat pipe; the external heat pipe is arranged in the uniform temperature heat pipe in a penetrating way. The load heat flow density of the externally-attached heat pipe of the refrigerating machine is adjusted by controlling the contact area of the satellite-borne camera refrigerating machine and the externally-attached heat pipe, the isothermal property of each refrigerating machine is ensured, temperature-equalizing plates do not need to be arranged among the refrigerating machines, and the weight of a heat control system can be saved; the method has stronger adaptability, and greatly reduces the sensitivity of the thermal control system to the geometric position of the satellite-borne camera refrigerator; the invention does not make differentiation requirements on the use of the heat dissipation plate, and can reduce the layout difficulty of the heat pipe embedded in the heat dissipation plate.
Description
Technical Field
The invention relates to the technical field of satellite-borne imaging, in particular to a satellite-borne camera multi-difference power consumption refrigerating unit, a combined heat control method and a satellite, and particularly relates to a combined heat control method for a satellite-borne camera multi-difference power consumption refrigerating unit.
Background
The continuous development of the satellite-borne imaging technology provides various challenges for the design of a satellite-borne camera, such as function diversification, compact structure, light weight and the like. On one hand, in order to meet the requirement of function diversification of the satellite-borne camera, the satellite-borne camera needs to be provided with a plurality of refrigerators with differentiated power consumption, and the power consumption of the refrigerators is different from 30W to 200W according to actual requirements. On the other hand, in order to meet special requirements on the structure and the weight of the satellite-borne camera, the geometric layout of the satellite-borne camera refrigerator is more and more restricted. The traditional heat control method cannot meet the increasingly strict heat dissipation requirement and cannot adapt to the requirements of camera layout, weight and the like.
The patent document with the publication number of CN104035264B discloses a moonlet and space optical camera integrated thermal control device, which relates to the field of aerospace and comprises a plurality of crossed flexible connecting pieces fixed on the sunward surface of a space optical camera, wherein the crossed flexible connecting pieces adopt a cross-shaped reed-gap variable cross-section structure; a plurality of insulation mats placed one-to-one on the crossing flexible connectors; the camera solar cell array is fixed with the heat insulation pad and the crossed flexible connecting piece and is connected with the small satellite through a cable; and the multilayer heat insulation assembly is paved on the outer surface of the space optical camera and is positioned between the camera solar cell array and the space optical camera.
In the related art, the camera and the satellite platform are thermally controlled in a combined manner, and the camera is not equipped with a plurality of refrigerators, so that a technical scheme needs to be provided to improve the technical problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a satellite-borne camera multi-difference power consumption refrigerating unit, a combined heat control method and a satellite.
The invention provides a satellite-borne camera multi-difference power consumption refrigerating unit, which comprises: the system comprises a plurality of different power consumption refrigerators, an external heat pipe, a temperature-equalizing heat pipe, a heat conducting filler and a heat dissipation plate;
the plurality of refrigerators with different power consumption are arranged in the heat dissipation plate and connected with one end of the externally attached heat pipe; the external heat-sticking pipe penetrates through the temperature-equalizing heat pipe.
Preferably, the temperature equalizing heat pipe is arranged in the heat dissipation plate.
Preferably, one end of each of the externally attached heat pipes is connected to the heat dissipation plate, and the other end of each of the externally attached heat pipes is installed on each of the plurality of power consumption differentiation refrigerators.
Preferably, a heat conducting filler is arranged in the external heat sticking pipe.
Preferably, the externally-attached heat pipe is installed on a differential power consumption refrigerator; and a temperature-equalizing heat pipe is arranged in the heat dissipation plate.
Preferably, the number of the differential power consumption refrigerators is three.
Preferably, the number of the externally attached heat pipes is three.
Preferably, the number of the temperature-equalizing heat pipes is five.
The invention also provides a combined heat control method for the satellite-borne camera multiple-difference-power-consumption refrigerating unit, which is applied to the satellite-borne camera multiple-difference-power-consumption refrigerating unit, and comprises the following steps:
step S1: an externally attached heat pipe is selected to conduct the power consumption of each refrigerating machine to a heat dissipation plate of the satellite-borne camera;
step S2: the externally-attached heat pipes are directly arranged on the refrigerators, and the load heat flow density of the externally-attached heat pipes is adjusted by controlling the contact area of each refrigerator and each externally-attached heat pipe;
and step S3: the satellite-borne camera heat dissipation plate is uniformly provided with the uniform temperature heat pipes, so that the isothermal property and the heat dissipation efficiency of the heat dissipation plate are improved.
The invention also provides a satellite which comprises a plurality of satellite-borne cameras with different power consumption refrigerating units.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the load heat flow density of the external heat-sticking pipe of the refrigerating machine is adjusted by controlling the contact area between the satellite-borne camera refrigerating machine and the external heat-sticking pipe, so that the isothermality of each refrigerating machine is ensured, a temperature-equalizing plate is not required to be arranged between each refrigerating machine, and the weight of a thermal control system can be saved;
2. the method has stronger adaptability, and greatly reduces the sensitivity of the thermal control system to the geometric position of the satellite-borne camera refrigerator;
3. the invention does not make differentiation requirements on the use of the heat dissipation plate, and can reduce the layout difficulty of the heat pipe embedded in the heat dissipation plate;
4. the invention can realize the joint heat control of a plurality of different power consumption refrigerators; a heat diffusion plate at the end of a refrigerator is eliminated; the weight of the satellite-borne camera thermal control system is reduced; the constraint of the thermal control system on the layout of the camera refrigerator is reduced; the heat dissipation plate is uniformly controlled in temperature, so that the complexity of the heat pipe for equalizing the temperature of the heat dissipation plate is reduced;
5. the invention ensures the isothermality of a plurality of different power consumption refrigerators of the satellite-borne camera, reduces the weight of a camera heat control system and reduces the complexity of the camera heat control system.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic diagram of a combined heat control method for a plurality of different power consumption refrigerators of a satellite-borne camera.
Wherein:
temperature equalizing heat pipe 3 of refrigerator 1
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will aid those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any manner. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the concept of the invention. All of which belong to
Referring to fig. 1, the invention provides a satellite-borne camera multi-differential-power-consumption refrigeration unit, a combined heat control method and a satellite, which comprise the following steps: the refrigerator comprises a plurality of refrigerators with different power consumption 1, an externally attached heat pipe 2, a uniform temperature heat pipe 3, a heat conducting filler 4 and a heat dissipation plate 5.
The temperature-equalizing heat pipe 3 is pre-embedded in the heat dissipation plate 5 of the refrigerator 1 so as to improve the temperature equalization and the use efficiency of the heat dissipation plate 5; one end of the external heat sticking pipe 2 is arranged on a refrigerator heat dissipation plate 5 and is filled with heat conducting filler 4; one end is directly attached to the refrigerator 1 and filled with the heat-conducting filler 4; the externally attached heat pipe 2 is directly arranged on the refrigerator 1, and a heat spreading plate at the end of the refrigerator 1 is omitted; the refrigerator heat dissipation plate 5 does not need to control temperature in a partition mode, and the uniform temperature heat pipes 3 are uniformly embedded. The number of the refrigerators 1 with different power consumption is three; the number of the externally attached heat pipes 2 is three; the number of the temperature-equalizing heat pipes 3 is five.
The contact area between the external heat-attached pipe 2 and the refrigerator 1 is designed according to the power consumption of each refrigerator 1 so as to ensure that the load heat flow density of the external heat-attached pipe 2 is equal; the combined heat control of a plurality of different power consumption refrigerators 1 can be realized; the geometrical adaptability is stronger, and the layout constraint on the refrigerator 1 is lower.
The invention provides a combined heat control method for a plurality of satellite-borne cameras and a refrigeration unit with different power consumption. The method comprises the steps of externally attaching the heat pipe 2, pre-embedding the heat pipe and the heat dissipation plate 5. The method specifically comprises the following steps:
step S1: an externally attached heat pipe 2 is selected to conduct the power consumption of each refrigerator 1 to a satellite-borne camera heat dissipation plate 5; step S2: the externally-attached heat pipes 2 are directly arranged on the refrigerators 1, and the load heat flow density of the externally-attached heat pipes 2 is adjusted by controlling the contact area of each refrigerator 1 and each externally-attached heat pipe 2 so as to ensure the isothermal property of each refrigerator 1; and step S3: the satellite-borne camera heat dissipation plate 5 is uniformly provided with the uniform temperature heat pipes 3, so that the isothermal property and the heat dissipation efficiency of the heat dissipation plate 5 are improved.
The heat pipes are directly attached to the heat sources of the various refrigerators with different power consumption 1, the power consumption of the various refrigerators 1 is transmitted to the camera heat dissipation plate 5, the heat dissipation plate at the end of the refrigerator 1 is eliminated, and the weight of a heat control system is reduced; the equal load heat flux density of the heat pipes 2 attached to the outside of each differential power consumption refrigerator 1 is ensured by adjusting the contact area of the refrigerator 1 and the heat pipes 2 attached to the outside, so as to realize the isothermal control of each refrigerator 1; the camera heat dissipation plate 5 does not need to control temperature in a partitioned mode, the temperature-equalizing heat pipes 3 are uniformly arranged, the layout difficulty of the temperature-equalizing heat pipes 3 in the heat dissipation plate 5 is reduced, and meanwhile the isothermicity and the utilization efficiency of the heat dissipation plate 5 are improved; the heat control method has stronger adaptability to the geometric positions of all the refrigerators 1, and reduces the constraint on the layout of the camera refrigerators 1.
The invention also provides a satellite which comprises the satellite-borne cameras and a plurality of refrigerating units with different power consumption.
According to the invention, the load heat flux density of the heat pipe 2 attached to the outside of the refrigerating machine 1 is adjusted by controlling the contact area of the satellite-borne camera refrigerating machine 1 and the heat pipe 2 attached to the outside, so that the isothermal property of each refrigerating machine 1 is ensured, a temperature equalizing plate is not required to be arranged between each refrigerating machine 1, and the weight of a thermal control system can be saved; the invention has stronger adaptability, greatly reduces the sensitivity of the thermal control system to the geometric position of the satellite-borne camera refrigerator 1; the invention does not make differentiation requirements on the use of the heat dissipation plate 5, and can reduce the layout difficulty of the pre-buried heat pipes of the heat dissipation plate 5; the invention can realize the combined heat control of a plurality of different power consumption refrigerators 1; the heat spreading plate at the end of the refrigerator 1 is eliminated; the weight of the satellite-borne camera thermal control system is reduced; the constraint of a thermal control system on the layout of the camera refrigerator 1 is reduced; the heat dissipation plate 5 is uniformly controlled in temperature, so that the complexity of the heat pipe 3 for equalizing the temperature of the heat dissipation plate 5 is reduced; the isothermal performance of a plurality of different power consumption refrigerators 1 of the satellite-borne camera is ensured, the weight of a camera heat control system is reduced, and the complexity of the system is reduced.
It is well within the knowledge of a person skilled in the art to implement the system and its various devices, modules, units provided by the present invention in a purely computer readable program code means that the same functionality can be implemented by logically programming method steps in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system and various devices, modules and units thereof provided by the present invention can be regarded as a hardware component, and the devices, modules and units included therein for implementing various functions can also be regarded as structures within the hardware component; means, modules, units for performing the various functions may also be regarded as structures within both software modules and hardware components for performing the method.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a many difference consumption refrigerating unit of satellite-borne camera which characterized in that includes: the refrigerator comprises a plurality of refrigerators (1) with different power consumption, an externally-attached heat pipe (2), a temperature-equalizing heat pipe (3), a heat-conducting filler (4) and a heat-radiating plate (5);
the plurality of refrigerators (1) with different power consumption are arranged in the heat dissipation plate (5) and connected with one end of the externally attached heat pipe (2); the external heat sticking pipe (2) is arranged in the uniform temperature heat pipe (3) in a penetrating way.
2. The satellite-borne camera multi-station difference power consumption refrigerating unit as claimed in claim 1, characterized in that the temperature-equalizing heat pipe (3) is arranged in the heat dissipation plate (5).
3. The satellite-borne camera multi-differential-power-consumption refrigerating unit as claimed in claim 1, wherein one end of each of the externally attached heat pipes (2) is connected with the heat dissipation plate (5), and the other end of each of the externally attached heat pipes is respectively mounted on the plurality of differential-power-consumption refrigerating machines (1).
4. The satellite-borne camera multi-station difference power consumption refrigerating unit as claimed in claim 1, wherein a heat conducting filler (4) is arranged in the external heat sticking pipe (2).
5. The satellite-borne camera multi-difference-power-consumption refrigerating unit as claimed in claim 1, wherein the externally attached heat pipe (2) is mounted on the difference-power-consumption refrigerating unit (1); the heat dissipation plate (5) is internally provided with a temperature-equalizing heat pipe (3).
6. The satellite-borne camera multi-station differential power consumption refrigerating unit as claimed in claim 1, characterized in that the number of the differential power consumption refrigerating machines (1) is three.
7. The satellite-borne camera multi-station difference power consumption refrigerating unit as claimed in claim 1, characterized in that the number of the externally attached heat pipes (2) is three.
8. The satellite-borne camera multi-station difference power consumption refrigerating unit as claimed in claim 1, wherein the number of the temperature-equalizing heat pipes (3) is five.
9. A combined heat control method for a satellite-borne camera multiple-difference-power-consumption refrigerating unit, which is characterized in that the method applies the satellite-borne camera multiple-difference-power-consumption refrigerating unit as claimed in any one of claims 1 to 8, and comprises the following steps:
step S1: an external heat pipe (2) is selected to conduct the power consumption of each refrigerating machine (1) to a satellite-borne camera heat dissipation plate (5);
step S2: the externally-attached heat pipes (2) are directly arranged on the refrigerators (1), and the load heat flow density of the externally-attached heat pipes (2) is adjusted by controlling the contact area of each refrigerator (1) and each externally-attached heat pipe (2);
and step S3: the satellite-borne camera heat dissipation plate (5) is uniformly provided with the uniform temperature heat pipes (3), so that the isothermal property and the heat dissipation efficiency of the heat dissipation plate (5) are improved.
10. A satellite comprising a plurality of satellite-based camera differentially powered refrigeration units according to any of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210870706.8A CN115291458B (en) | 2022-07-22 | 2022-07-22 | Satellite-borne camera multiple differential power consumption refrigerating unit, combined heat control method and satellite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210870706.8A CN115291458B (en) | 2022-07-22 | 2022-07-22 | Satellite-borne camera multiple differential power consumption refrigerating unit, combined heat control method and satellite |
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| Publication Number | Publication Date |
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| CN115291458A true CN115291458A (en) | 2022-11-04 |
| CN115291458B CN115291458B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210870706.8A Active CN115291458B (en) | 2022-07-22 | 2022-07-22 | Satellite-borne camera multiple differential power consumption refrigerating unit, combined heat control method and satellite |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN104820383A (en) * | 2015-04-15 | 2015-08-05 | 北京空间机电研究所 | Satellite-borne double-refrigerator peak load shifting controller |
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| US9714777B1 (en) * | 2014-02-18 | 2017-07-25 | Space Systems/Loral, Llc | Heat pipe and radiator system with thermoelectric cooler |
| CN109405978A (en) * | 2018-11-28 | 2019-03-01 | 西安泰豪红外科技有限公司 | A kind of infrared machine core of refrigeration mode and preparation method thereof |
| CN114094304A (en) * | 2021-11-23 | 2022-02-25 | 北京九天微星科技发展有限公司 | Heat radiation structure of phased array antenna, phased array antenna and satellite platform |
-
2022
- 2022-07-22 CN CN202210870706.8A patent/CN115291458B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040040691A1 (en) * | 2002-05-30 | 2004-03-04 | Alcatel | Heat transfer system for a satellite including an evaporator |
| JP2006033031A (en) * | 2004-07-12 | 2006-02-02 | Casio Comput Co Ltd | Portable image capture system |
| CN1844832A (en) * | 2006-04-14 | 2006-10-11 | 中国科学院上海技术物理研究所 | A cold switch for switching between main and backup refrigerators |
| CN107529382B (en) * | 2013-02-05 | 2015-07-15 | 上海卫星工程研究所 | The performance test apparatus of satellite semiconductor cooler |
| CN103458657A (en) * | 2013-08-08 | 2013-12-18 | 上海卫星工程研究所 | Heat dissipation system of large-power consumption stand-along device on satellite |
| US9714777B1 (en) * | 2014-02-18 | 2017-07-25 | Space Systems/Loral, Llc | Heat pipe and radiator system with thermoelectric cooler |
| CN104820383A (en) * | 2015-04-15 | 2015-08-05 | 北京空间机电研究所 | Satellite-borne double-refrigerator peak load shifting controller |
| CN205245359U (en) * | 2015-12-21 | 2016-05-18 | 河南恒晟实业有限公司 | Phytotron and refrigerating plant |
| CN106444917A (en) * | 2016-09-18 | 2017-02-22 | 北京空间机电研究所 | Temperature control device for periodical working heat source in spaceflight |
| CN109405978A (en) * | 2018-11-28 | 2019-03-01 | 西安泰豪红外科技有限公司 | A kind of infrared machine core of refrigeration mode and preparation method thereof |
| CN114094304A (en) * | 2021-11-23 | 2022-02-25 | 北京九天微星科技发展有限公司 | Heat radiation structure of phased array antenna, phased array antenna and satellite platform |
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| CN115291458B (en) | 2024-03-12 |
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