CN102495515B - Heat-insulation cushion applicable to heat control of space camera - Google Patents
Heat-insulation cushion applicable to heat control of space camera Download PDFInfo
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- CN102495515B CN102495515B CN201110410559.8A CN201110410559A CN102495515B CN 102495515 B CN102495515 B CN 102495515B CN 201110410559 A CN201110410559 A CN 201110410559A CN 102495515 B CN102495515 B CN 102495515B
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- heat
- heat insulating
- insulating mattress
- space camera
- insulation cushion
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Abstract
A heat-insulation cushion applicable to heat control of a space camera relates to the technical field of heat control of space cameras and solves the problem that a fine heat-insulation effect and weight reduction of an existing heat-insulation cushion for heat control of a space camera cannot be realized simultaneously. A plurality of heat-insulation cushion sheets of the heat-insulation cushion are circumferentially clamped among polyimide rings and are fixed by screws via a plurality of layers of fixing points, and the polyimide rings are connected with corresponding equipment by bolts via heat-insulation cushion fixing points. The weight of a heat control system of the space camera can be remarkably lightened, resources of the space camera can be saved, design requirements can be effectively met, and the heat-insulation cushion is convenient and reliable in use.
Description
Technical field
The present invention relates to space camera Evolution of Thermal Control Technique field, be specifically related to a kind of heat insulating mattress that is applicable to space camera heat control.
Background technology
In the heat control of space camera, in order to reduce satellite platform or other and the impact of camera associated devices on camera body thermal environment and temperature levels, usually need to set up heat insulating mattress at connecting portion, with the heat interchange of as far as possible isolated camera body and peripherals.
Space camera operates in high vacuum environment, and the transmission of equipment room heat relies on contact conduction and space radiation to carry out, so need to have good isolated conduction and radiant heat transfer ability at camera body and peripherals junction heat insulating mattress used; In addition, because heat insulating mattress is in equipment connection place, also need to possess certain intensity and compressive property; Moreover, due to the weight of space camera, many restrictions of energy aspect, need heat insulating mattress in the situation that meeting performance requirement, to try one's best weight reduction to economize on resources.
Polyimide material has very good heat-resisting, insulation and thermal stability, now in the heat control field of space camera, be widely applied, in actual application, in order to guarantee the designing requirement of thermal control and configuration aspects, polyimide heat insulating mattress has thicker thickness conventionally, this makes the weight ratio of heat insulating mattress larger, if heat insulating mattress center is hollowed out so that loss of weight, cannot effectively completely cut off radiant heat transfer again, and adopt heat insulating mattress of the present invention effectively to address this problem, in the situation that meeting design requirement, greatly alleviate the weight of heat insulating mattress.Yet there are no the disclosed correlative study about this heat insulating mattress.
Summary of the invention
The present invention can not better take into account effect of heat insulation and light-weighted problem for solving heat insulating mattress used in the heat control of existing space camera, and a kind of heat insulating mattress that is applicable to space camera heat control is provided.
Be applicable to a heat insulating mattress for space camera heat control, comprise polyimide ring, multilayer insulation material pad and corresponding heat insulating mattress point of fixity and multilayer point of fixity; Multilayer insulation material pad, along being circumferentially sandwiched between polyimide ring, is screwed by multilayer point of fixity, and polyimide ring is fixing respectively with camera bearing and the satellite platform of bolt and heat insulating mattress both sides by heat insulating mattress point of fixity.
Beneficial effect of the present invention: the present invention, by polyimide material and multilayer insulation material pad are used in combination, makes described heat insulating mattress have good heat-proof quality; Possess significant lightweight effect simultaneously, can further alleviate the weight of space camera thermal control system, the resource of conserve space camera; Can effectively meet design requirement, easy to use and reliable.
Accompanying drawing explanation
Fig. 1 is a kind of heat insulating mattress structural representation that is applicable to space camera heat control of the present invention.
In figure: 1, polyimide ring, 2, multilayer insulation material pad, 3, heat insulating mattress point of fixity, 4, multilayer point of fixity.
Embodiment
In conjunction with Fig. 1, present embodiment is described, a kind of heat insulating mattress that is applicable to space camera heat control, this heat insulating mattress comprises polyimide ring 1, multilayer insulation material pad 2, heat insulating mattress point of fixity 3 and multilayer point of fixity 4; The polyimide ring 1 of described heat insulating mattress directly contacts with two side apparatus, and the multilayer insulation material pad 2 at center does not contact with equipment; Described multilayer insulation material pad 2 passes through multilayer point of fixity 4 use screws edges circumferentially and polyimide ring 1 is fixed, and polyimide ring 1 is circumferential not fixing with two side apparatus by heat insulating mattress point of fixity 3 use bolts edges.
Heat insulating mattress described in present embodiment is by the conduction heat exchange of polyimide ring 1 isolated both sides equipment room, the radiation heat transfer that completely cuts off both sides equipment rooms by the multilayer insulation material pad 2 at center, thereby realize good heat-proof quality, than pure polyimide heat insulating mattress, described heat insulating mattress, when guaranteeing good heat-proof quality, has reached the lightweight effect of highly significant.
Principle of work of the present invention: heat insulating mattress of the present invention, by polyimide Huan Yu both sides equipment connection, due to the good heat-proof quality of polyimide material, can significantly weaken the conduction heat exchange of both sides equipment room.The center of heat insulating mattress is multilayer insulation material pad, multilayer insulation material is also referred to as superinsulation material, under vacuum environment, there is very outstanding heat-proof quality, there is quality frivolous simultaneously, advantage easy for installation, can effectively completely cut off the radiation heat transfer of equipment room, thereby make described heat insulating mattress have very good heat-proof quality, and because center has adopted multilayer insulation material pad, make again weight greatly alleviate.
Claims (1)
1. a heat insulating mattress that is applicable to space camera heat control, is characterized in that, this heat insulating mattress comprises polyimide ring (1), multilayer insulation material pad (2), heat insulating mattress point of fixity (3) and multilayer point of fixity (4); Multilayer insulation material pad (2) is along being circumferentially sandwiched between polyimide ring (1), fixing with screw and polyimide ring (1) by multilayer point of fixity (4), polyimide ring (1) is fixing respectively with camera bearing and the satellite platform of bolt and heat insulating mattress both sides by heat insulating mattress point of fixity (3); Described polyimide ring (1) directly contacts with two side apparatus, and the multilayer insulation material pad (2) at center does not contact with equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110410559.8A CN102495515B (en) | 2011-12-12 | 2011-12-12 | Heat-insulation cushion applicable to heat control of space camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110410559.8A CN102495515B (en) | 2011-12-12 | 2011-12-12 | Heat-insulation cushion applicable to heat control of space camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102495515A CN102495515A (en) | 2012-06-13 |
| CN102495515B true CN102495515B (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110410559.8A Expired - Fee Related CN102495515B (en) | 2011-12-12 | 2011-12-12 | Heat-insulation cushion applicable to heat control of space camera |
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| CN (1) | CN102495515B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048855B (en) * | 2013-01-28 | 2015-07-08 | 中国科学院光电技术研究所 | Thermal-insulating device of thermal control system of aerial camera |
| CN103616790B (en) * | 2013-11-25 | 2016-03-02 | 中国科学院长春光学精密机械与物理研究所 | A kind of space camera Active thermal control method based on temperature levels |
| CN104035264B (en) * | 2014-06-30 | 2016-11-02 | 中国科学院长春光学精密机械与物理研究所 | Moonlet thermal controls apparatus integrated with space optical camera |
| CN104503061B (en) * | 2014-12-24 | 2017-10-20 | 中国科学院光电研究院 | A kind of space camera Active thermal control focus control |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188630A (en) * | 1996-12-02 | 1998-07-29 | 日本酸素株式会社 | Low thermal conductivity gas-filled thermal inuslation material |
| CN1672914A (en) * | 2005-04-08 | 2005-09-28 | 哈尔滨工业大学 | Composite thermosetting film for inflated spatial expanded structure and its making and rigidizing process |
| CN101247715A (en) * | 2007-02-15 | 2008-08-20 | 保力马科技株式会社 | Thermal diffusion sheet and manufacturing method of the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8562742B2 (en) * | 2010-04-30 | 2013-10-22 | Applied Materials, Inc. | Apparatus for radial delivery of gas to a chamber and methods of use thereof |
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2011
- 2011-12-12 CN CN201110410559.8A patent/CN102495515B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188630A (en) * | 1996-12-02 | 1998-07-29 | 日本酸素株式会社 | Low thermal conductivity gas-filled thermal inuslation material |
| CN1672914A (en) * | 2005-04-08 | 2005-09-28 | 哈尔滨工业大学 | Composite thermosetting film for inflated spatial expanded structure and its making and rigidizing process |
| CN101247715A (en) * | 2007-02-15 | 2008-08-20 | 保力马科技株式会社 | Thermal diffusion sheet and manufacturing method of the same |
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| Publication number | Publication date |
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| CN102495515A (en) | 2012-06-13 |
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