CN115291458B - Satellite-borne camera multiple differential power consumption refrigerating unit, combined heat control method and satellite - Google Patents
Satellite-borne camera multiple differential power consumption refrigerating unit, combined heat control method and satellite Download PDFInfo
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- CN115291458B CN115291458B CN202210870706.8A CN202210870706A CN115291458B CN 115291458 B CN115291458 B CN 115291458B CN 202210870706 A CN202210870706 A CN 202210870706A CN 115291458 B CN115291458 B CN 115291458B
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- satellite
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- heat pipe
- refrigerator
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000017525 heat dissipation Effects 0.000 claims abstract description 35
- 239000000945 filler Substances 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000004907 flux Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims 2
- 230000004069 differentiation Effects 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- 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 multiple differential power consumption refrigerating unit, a combined heat control method and a satellite, comprising the following steps: a plurality of differential power consumption refrigerators, external heat pipes, temperature equalizing heat pipes, heat conducting fillers and heat dissipation plates; the plurality of 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. According to the invention, the load heat flow density of the external heat pipe of the refrigerator is adjusted by controlling the contact area of the satellite-borne camera refrigerator and the external heat pipe, so that the isothermicity of each refrigerator is ensured, a temperature equalizing plate is not required to be arranged between the refrigerators, and the weight of a thermal control system can be saved; the invention 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 pipes 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 multiple differential power consumption refrigerating unit, a combined heat control method and a satellite, and especially relates to a satellite-borne camera multiple differential power consumption refrigerating unit combined heat control method.
Background
The continuous development of satellite-borne imaging technology presents challenges for the design of satellite-borne cameras, such as functional diversity, compact structure, light weight, etc. On the one hand, in order to meet the requirement of function diversification of the satellite-borne camera, the satellite-borne camera is required to be provided with a plurality of refrigerators with different 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 the special requirements on the structure and weight of the satellite-borne camera, the geometric layout of the satellite-borne camera refrigerator is more and more constrained. The traditional heat control method can not meet the increasingly severe heat dissipation requirements, and can not meet the requirements of the camera on layout, weight and the like.
The patent document with the publication number of CN104035264B discloses an integrated thermal control device of a small satellite and a space optical camera, which relates to the field of aerospace and comprises a plurality of crossed flexible connecting pieces fixed on the sunny side of the space optical camera, wherein the crossed flexible connecting pieces adopt a variable cross-section structure of crossed reed openings; a plurality of insulation pads disposed one-to-one on the cross flexible connectors; the camera solar cell array is fixed with the heat insulation pad and the cross flexible connecting piece and is connected with the small satellite through a cable; a multi-layer thermal insulation assembly overlying the exterior surface of the space optical camera and positioned between the camera solar array and the space optical camera.
In the related art, the camera and the satellite platform are combined for thermal control, and the camera is not equipped with a plurality of refrigerators, so a technical scheme is required to be proposed to improve the technical problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a satellite-borne camera multi-differential power consumption refrigerating unit, a combined heat control method and a satellite.
The invention provides a refrigerating unit with different power consumption for a plurality of satellite-borne cameras, which comprises: a plurality of differential power consumption refrigerators, external heat pipes, temperature equalizing heat pipes, heat conducting fillers and heat dissipation plates;
the plurality of 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.
Preferably, the heat-equalizing pipe is disposed in the heat dissipation plate.
Preferably, one ends of the external heat pipes are connected with the heat dissipation plate, and the other ends of the external heat pipes are respectively arranged on the plurality of differential power consumption refrigerators.
Preferably, a heat conducting filler is arranged in the external heat pipe.
Preferably, the externally attached heat pipe is arranged on the 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 plurality of different power consumption refrigerating units of the satellite-borne camera, wherein the method is applied to the plurality of different power consumption refrigerating units of the satellite-borne camera, and comprises the following steps:
step S1: the external heat pipe is selected to conduct the power consumption of each refrigerator to the satellite-borne camera heat dissipation plate;
step S2: the externally attached heat pipe is directly arranged on the refrigerator, and the load heat flux density of the externally attached heat pipe is adjusted by controlling the contact area between each refrigerator and the externally attached heat pipe;
step S3: and the space-borne camera radiating plates are uniformly provided with the uniform temperature heat pipes, so that the isothermicity and the radiating efficiency of the radiating plates are improved.
The invention also provides a satellite which comprises the satellite-borne camera multiple differential 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 pipe of the refrigerator is adjusted by controlling the contact area of the satellite-borne camera refrigerator and the external heat pipe, so that the isothermicity of each refrigerator is ensured, a temperature equalizing plate is not required to be arranged between the refrigerators, and the weight of a thermal control system can be saved;
2. the invention 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 pipes embedded in the heat dissipation plate;
4. the invention can realize the combined heat control of a plurality of differential power consumption refrigerators; the heat spreading plate at the refrigerator end is eliminated; the weight of a thermal control system of the satellite-borne camera 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 dissipation plate temperature-equalizing heat pipe is reduced;
5. the invention ensures the isothermicity of a plurality of differential power consumption refrigerators of the satellite-borne camera, reduces the weight of a thermal control system of the camera and reduces the complexity of the thermal control system of the camera.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of a method for controlling the combined heat of a plurality of different power consumption refrigerators of a satellite-borne camera according to the invention.
Wherein:
temperature equalizing heat pipe 3 of refrigerator 1
Heat conducting filler 4 of external heat pipe 2
Radiating plate 5
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These all belong to
Referring to fig. 1, the present invention provides a satellite-borne camera multiple differential power consumption refrigerating unit, a combined heat control method and a satellite, including: a plurality of differential power consumption refrigerators 1, an external 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-buried in the cooling plate 5 of the refrigerator 1 so as to improve the temperature equalizing property and the service efficiency of the cooling plate 5; one end of the externally attached heat pipe 2 is arranged on a cooling plate 5 of the refrigerator and is filled with a heat conducting filler 4; one end is directly externally attached to the refrigerator 1 and is also filled with the heat conducting filler 4; the externally attached heat pipe 2 is directly arranged on the refrigerator 1, so that a heat expansion plate at the end of the refrigerator 1 is omitted; the cooling plate 5 of the refrigerator does not need to be subjected to partition temperature control, and the temperature-equalizing heat pipes 3 are uniformly embedded. The number of the differential power consumption refrigerators 1 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 of the external heat 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 pipe 2 is equal; the combined heat control of a plurality of differential power consumption refrigerators 1 can be realized; the geometric adaptability is strong, and the layout constraint on the refrigerator 1 is low.
The invention provides a combined heat control method for a plurality of different power consumption refrigerating units of a satellite-borne camera. The method comprises the steps of externally attaching a heat pipe 2, embedding the heat pipe and radiating a heat plate 5. The method specifically comprises the following steps:
step S1: the external heat pipe 2 is selected to conduct the power consumption of each refrigerator 1 to the satellite-borne camera heat dissipation plate 5; step S2: the externally attached heat pipe 2 is directly arranged on the refrigerator 1, and the load heat flow density of the externally attached heat pipe 2 is adjusted by controlling the contact area between each refrigerator 1 and the externally attached heat pipe 2 so as to ensure the isothermicity of each refrigerator 1; step S3: the heat dissipation plate 5 of the satellite-borne camera is uniformly provided with the heat equalizing heat pipes 3, so that the isothermicity and the heat dissipation efficiency of the heat dissipation plate 5 are improved.
The heat pipes are directly externally attached to the heat sources of the different power consumption refrigerators 1, so that the power consumption of each refrigerator 1 is conducted to the camera heat dissipation plate 5, the heat dissipation plate at the end of the refrigerator 1 is omitted, and the weight of a heat control system is reduced; the contact area of the refrigerator 1 and the external heat pipe 2 is adjusted, so that the load heat flow density of the external heat pipe 2 of each refrigerator 1 with different power consumption is ensured to be equal, and the isothermal control of each refrigerator 1 is realized; the camera heat dissipation plate 5 does not need partition temperature control, uniform arrangement of the heat equalization pipes 3 is realized, the layout difficulty of the heat equalization 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 thermal control method has stronger adaptability to the geometric positions of the refrigerators 1, and reduces the restriction on the layout of the camera refrigerator 1.
The invention also provides a satellite, which comprises the satellite-borne camera multi-differential power consumption refrigerating unit.
According to the invention, the load heat flux density of the external heat pipe 2 of the refrigerator 1 is adjusted by controlling the contact area of the satellite-borne camera refrigerator 1 and the external heat pipe 2, so that the isothermicity of each refrigerator 1 is ensured, a temperature equalizing plate is not required to be arranged between the refrigerators 1, and the weight of a thermal control system can be saved; the invention has stronger adaptability, and 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 pre-burying the heat pipes of the heat dissipation plate 5; the invention can realize the joint heat control of a plurality of differential power consumption refrigerators 1; the heat spreading plate at the end of the refrigerator 1 is eliminated; the weight of a thermal control system of the satellite-borne camera is reduced; the constraint of the thermal control system on the layout of the camera refrigerator 1 is reduced; the temperature control of the heat dissipation plate 5 is unified, so that the complexity of the heat dissipation plate 5 temperature-equalizing heat pipe 3 is reduced; the isothermal property of a plurality of differential power consumption refrigerators 1 of the satellite-borne camera is ensured, the weight of a thermal control system of the camera is reduced, and meanwhile, the complexity of the thermal control system of the camera is reduced.
Those skilled in the art will appreciate that the invention provides a system and its individual devices, modules, units, etc. that can be implemented entirely by logic programming of method steps, in addition to being implemented as pure computer readable program code, in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers, etc. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units for realizing various functions included in the system can also be regarded as structures in the hardware component; means, modules, and units for implementing the various functions may also be considered as either software modules for implementing the methods or structures within hardware components.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (6)
1. A satellite-borne camera multiple differential power consumption refrigeration unit, comprising: a plurality of differential power consumption refrigerators (1), external heat pipes (2), uniform temperature heat pipes (3), heat conducting fillers (4) and heat dissipation plates (5);
the plurality of differential power consumption refrigerators (1) are arranged in the heat dissipation plate (5) and are connected with one end of the externally attached heat pipe (2); the external heat pipe (2) is arranged in the uniform temperature heat pipe (3) in a penetrating way;
the temperature equalizing heat pipe (3) is arranged in the heat dissipation plate (5);
one end of each external heat pipe (2) is connected with the heat dissipation plate (5), and the other ends of the external heat pipes are respectively arranged on the plurality of differential power consumption refrigerators (1);
a heat conducting filler (4) is arranged in the external heat pipe (2);
the external heat pipe (2) is arranged on the differential power consumption refrigerator (1); and a temperature equalizing heat pipe (3) is arranged in the heat dissipation plate (5).
2. The satellite-borne camera multi-differential power consumption refrigerating unit according to claim 1, wherein the number of the differential power consumption refrigerating units (1) is three.
3. The satellite-borne camera multi-differential power consumption refrigerating unit according to claim 1, wherein the number of the externally attached heat pipes (2) is three.
4. The satellite-borne camera multi-differential power consumption refrigerating unit according to claim 1, wherein the number of the heat-equalizing pipes (3) is five.
5. A method for controlling the heat of a plurality of different power consumption refrigerating units of a satellite-borne camera in a combined way, which is characterized in that the method is applied to the plurality of different power consumption refrigerating units of the satellite-borne camera according to any one of claims 1-4, and comprises the following steps:
step S1: the external heat pipe (2) is selected to conduct the power consumption of each refrigerator (1) to the satellite-borne camera heat dissipation plate (5);
step S2: the external heat pipe (2) is directly arranged on the refrigerator (1), and the load heat flux of the external heat pipe (2) is adjusted by controlling the contact area between each refrigerator (1) and the external heat pipe (2);
step S3: the space-borne camera radiating plates (5) are uniformly provided with the uniform temperature heat pipes (3), so that the isothermicity and the radiating efficiency of the radiating plates (5) are improved.
6. A satellite comprising a plurality of different power consumption refrigeration units of the satellite-borne camera of any one of claims 1-4.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115291458A CN115291458A (en) | 2022-11-04 |
| CN115291458B true CN115291458B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2840394B1 (en) * | 2002-05-30 | 2004-08-27 | Cit Alcatel | HEAT TRANSFER DEVICE FOR SATELLITE COMPRISING AN EVAPORATOR |
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2022
- 2022-07-22 CN CN202210870706.8A patent/CN115291458B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006033031A (en) * | 2004-07-12 | 2006-02-02 | Casio Comput Co Ltd | Portable image photography system |
| CN1844832A (en) * | 2006-04-14 | 2006-10-11 | 中国科学院上海技术物理研究所 | Cold switch for switching between master refrigerator and slave refrigerator |
| 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 |
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| CN115291458A (en) | 2022-11-04 |
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