CN110161779A - A kind of remote sensing camera - Google Patents
A kind of remote sensing camera Download PDFInfo
- Publication number
- CN110161779A CN110161779A CN201910417172.1A CN201910417172A CN110161779A CN 110161779 A CN110161779 A CN 110161779A CN 201910417172 A CN201910417172 A CN 201910417172A CN 110161779 A CN110161779 A CN 110161779A
- Authority
- CN
- China
- Prior art keywords
- fuselage
- remote sensing
- sensing camera
- mirror assembly
- primary mirror
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
-
- 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
- G03B17/02—Bodies
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Optics & Photonics (AREA)
- Accessories Of Cameras (AREA)
Abstract
Remote sensing camera provided by the invention includes: fuselage, the primary mirror component being set in the fuselage, the secondary mirror assembly being set in the fuselage, the cartridge heater being sheathed on outside the fuselage, the primary mirror component, the secondary mirror assembly and the fuselage have the material of same or similar temperature expansion coefficient, remote sensing camera provided by the invention, primary mirror component and secondary mirror assembly and fuselage select the almost consistent material of temperature expansion coefficient to be made, it can be improved thermal adaptability, adaptability is remarkably reinforced.
Description
Technical field
The present invention relates to space optical remote field, in particular to a kind of remote sensing camera.
Background technique
With the development of remote sensing technology and the raising of mankind's earth observation demand, image quality of the people to remote sensing camera
Requirement it is higher and higher.For the structure of remote sensing camera and heat control system, it is capable of providing a kind of the distant of high-temperature consistency
Sense camera structure is the basis for guaranteeing remote sensing camera image quality.
The common practices of remote sensing camera thermal control at present is the structure type and temperature index pair for camera each section
Structure design proposes the specific requirement that need to be heated or radiate, and the strategy of thermal control is then obtained by calculating analysis.This way knot
Structure and the design of thermal control are relatively independent, and different component zonal controls makes the power consumption utilization of thermal control be extremely difficult to optimize, and
And heat control system reaches the requirement of temperature index can pay very big cost.
Summary of the invention
Have in view of that, it is necessary in view of the defects existing in the prior art, provide a kind of good remote sensing of high-temperature consistency
Camera.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of remote sensing camera, comprising: fuselage, is set in the fuselage primary mirror component being set in the fuselage
Secondary mirror assembly, the cartridge heater being sheathed on outside the fuselage, the primary mirror component, the secondary mirror assembly and the fuselage have identical
Or the material of similar temperature expansion coefficient.
In some preferred embodiments, it is 8.4 that the primary mirror component and the secondary mirror assembly, which select temperature expansion coefficient,
×10- 6K-1SiCp/Al composite material, it is 8.8 × 10 that the fuselage, which selects temperature expansion coefficient,- 6K-1Titanium alloy.
In some preferred embodiments, it is 22 × 1 that the cartridge heater, which selects temperature expansion coefficient,- 6K-1Aluminium alloy.
In some preferred embodiments, venthole is equipped between the outer cylinder and inner cylinder of the cartridge heater.
In some preferred embodiments, heat insulating mattress is provided between the inner cylinder and the fuselage.
In some preferred embodiments, heating sheet is provided on the barrel of the outer cylinder.
In some preferred embodiments, the material of the heat insulating mattress is polyimides.
The present invention by adopting the above technical scheme the advantages of be:
Remote sensing camera provided by the invention includes: fuselage, the primary mirror component being set in the fuselage, is set to the machine
Secondary mirror assembly in body, the cartridge heater being sheathed on outside the fuselage, the primary mirror component, the secondary mirror assembly and fuselage tool
There are the material of same or similar temperature expansion coefficient, remote sensing camera provided by the invention, primary mirror component and secondary mirror assembly and machine
Body selects the almost consistent material of temperature expansion coefficient to be made, and can be improved thermal adaptability, adaptability is remarkably reinforced.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the schematic diagram of the section structure of remote sensing camera provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of primary mirror component provided in an embodiment of the present invention.
Fig. 3 is the structural schematic diagram of secondary mirror assembly provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, being remote sensing camera provided in an embodiment of the present invention, comprising: fuselage 110 is set to the fuselage 110
Interior primary mirror component 120, the secondary mirror assembly 130 being set in the fuselage, the cartridge heater 140 being sheathed on outside the fuselage 110,
The primary mirror component 120, the secondary mirror assembly 130 and the fuselage 110 have the material of same or similar temperature expansion coefficient
Material.
Please refer to figs. 2 and 3, for primary mirror component 120 provided in an embodiment of the present invention structural schematic diagram and be the present invention
The structural schematic diagram for the secondary mirror assembly that embodiment provides.
Primary mirror component 120 includes primary mirror 121 and primary mirror backboard 122；Secondary mirror assembly 130 includes secondary mirror 131 and secondary mirror backboard
132。
Remote sensing camera provided by the invention, primary mirror component 120 and secondary mirror assembly 130 and fuselage 110 select temperature expansion system
Number almost consistent material is made, and can be improved thermal adaptability, adaptability is remarkably reinforced.
In some preferred embodiments, the primary mirror component 120 and the secondary mirror assembly 130 select temperature expansion coefficient
It is 8.4 × 10- 6K-1SiCp/Al composite material, it is 8.8 × 10 that the fuselage 110, which selects temperature expansion coefficient,- 6K-1Titanium close
Gold.
In some preferred embodiments, the cartridge heater 140 selects thermally conductive good material, such as temperature can be selected swollen
Swollen coefficient is 22 × 1- 6K-1Aluminium alloy.
In some preferred embodiments, the cartridge heater 140 is double-layer structure, including outer cylinder (not shown) and inner cylinder
(not shown) is equipped with venthole between the outer cylinder (not shown) and inner cylinder (not shown).
In some preferred embodiments, be provided with heat insulating mattress 150 between the inner cylinder and the fuselage 110, it is described every
The material of heat pad 150 is polyimides.
In some preferred embodiments, heating sheet 160 is provided on the barrel of the outer cylinder.
It is appreciated that due to being provided with heating sheet 160 on the barrel of the outer cylinder, under the action of heating sheet 160,
The outer cylinder of the cartridge heater relies on radiant heating inner cylinder, and inner cylinder is placed directly against in radiant heating fuselage 110 with traditional heating sheet
It is compared on fuselage 110, can be avoided the non-uniform temperature problem of fuselage by way of double-layer heating, as far as possible reduction fuselage
Deformation and primary mirror component, secondary mirror assembly and fuselage 110 between thermal stress so that the temperature of remote sensor fuselage 110 is consistent
Property is more preferable, provides thermal environment more evenly for primary mirror component, the secondary mirror assembly of remote sensor.
Remote sensing camera provided by the invention includes: fuselage, the primary mirror component being set in the fuselage, is set to the machine
Secondary mirror assembly in body, the cartridge heater being sheathed on outside the fuselage, the primary mirror component, the secondary mirror assembly and fuselage tool
There are the material of same or similar temperature expansion coefficient, remote sensing camera provided by the invention, primary mirror component and secondary mirror assembly and machine
Body selects the almost consistent material of temperature expansion coefficient to be made, and can be improved thermal adaptability, adaptability is remarkably reinforced.
Certainly remote sensing camera of the invention can also have a variety of transformation and remodeling, it is not limited to the tool of above embodiment
Body structure.In short, protection scope of the present invention should include those obvious changes to those skilled in the art
It changes or substitutes and retrofit.
Claims (7)
1. a kind of remote sensing camera characterized by comprising fuselage, the primary mirror component being set in the fuselage, be set to it is described
Secondary mirror assembly in fuselage, the cartridge heater being sheathed on outside the fuselage, the primary mirror component, the secondary mirror assembly and the fuselage
Material with same or similar temperature expansion coefficient.
2. remote sensing camera as described in claim 1, which is characterized in that the primary mirror component and the secondary mirror assembly select temperature
The coefficient of expansion is 8.4 × 10- 6K-1SiCp/Al composite material, it is 8.8 × 10 that the fuselage, which selects temperature expansion coefficient,- 6K-1
Titanium alloy.
3. remote sensing camera as described in claim 1, which is characterized in that it is 22 × 1 that the cartridge heater, which selects temperature expansion coefficient,? 6K-1Aluminium alloy.
4. remote sensing camera as described in claim 1, which is characterized in that be equipped with ventilation between the outer cylinder and inner cylinder of the cartridge heater
Hole.
5. remote sensing camera as claimed in claim 4, which is characterized in that be provided between the inner cylinder and the fuselage heat-insulated
Pad.
6. remote sensing camera as claimed in claim 4, which is characterized in that be provided with heating sheet on the barrel of the outer cylinder.
7. remote sensing camera as claimed in claim 5, which is characterized in that the material of the heat insulating mattress is polyimides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417172.1A CN110161779A (en) | 2019-05-20 | 2019-05-20 | A kind of remote sensing camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417172.1A CN110161779A (en) | 2019-05-20 | 2019-05-20 | A kind of remote sensing camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110161779A true CN110161779A (en) | 2019-08-23 |
Family
ID=67631426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910417172.1A Pending CN110161779A (en) | 2019-05-20 | 2019-05-20 | A kind of remote sensing camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110161779A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2473604Y (en) * | 2001-04-12 | 2002-01-23 | 中国科学院长春光学精密机械与物理研究所 | Full metal infrared optic system |
| CN102854216A (en) * | 2012-09-17 | 2013-01-02 | 长沙开元仪器股份有限公司 | Constant temperature type calorimeter and outer barrel thereof |
| CN103863581A (en) * | 2014-03-27 | 2014-06-18 | 北京空间机电研究所 | Indirect thermal control device for high resolution optical remote sensor precision temperature control |
| 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 |
| CN107577028A (en) * | 2017-09-20 | 2018-01-12 | 长春理工大学 | A kind of multi-purpose laser communication optics antenna system |
-
2019
- 2019-05-20 CN CN201910417172.1A patent/CN110161779A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2473604Y (en) * | 2001-04-12 | 2002-01-23 | 中国科学院长春光学精密机械与物理研究所 | Full metal infrared optic system |
| CN102854216A (en) * | 2012-09-17 | 2013-01-02 | 长沙开元仪器股份有限公司 | Constant temperature type calorimeter and outer barrel thereof |
| CN103863581A (en) * | 2014-03-27 | 2014-06-18 | 北京空间机电研究所 | Indirect thermal control device for high resolution optical remote sensor precision temperature control |
| 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 |
| CN107577028A (en) * | 2017-09-20 | 2018-01-12 | 长春理工大学 | A kind of multi-purpose laser communication optics antenna system |
Non-Patent Citations (2)
| Title |
|---|
| 付亮亮 等: "某星载遥感器第三镜组件热控罩设计与分析", 《光电工程》 * |
| 王红 等: "温度变化导致航天相机光学系统像面位移的研究", 《光学技术》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190823 |
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| RJ01 | Rejection of invention patent application after publication |