CN106444000B - Long-focus front telescope system - Google Patents
Long-focus front telescope system Download PDFInfo
- Publication number
- CN106444000B CN106444000B CN201610765664.6A CN201610765664A CN106444000B CN 106444000 B CN106444000 B CN 106444000B CN 201610765664 A CN201610765664 A CN 201610765664A CN 106444000 B CN106444000 B CN 106444000B
- Authority
- CN
- China
- Prior art keywords
- secondary mirror
- lens barrel
- spring washer
- 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.)
- Active
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 229910000737 Duralumin Inorganic materials 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000009966 trimming Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
- Telescopes (AREA)
- Lens Barrels (AREA)
Abstract
The invention relates to a long-focus front telescope system, which comprises a primary mirror assembly, a secondary mirror assembly, a connecting cylinder for connecting the primary mirror assembly and the secondary mirror assembly, a trimming pad arranged on the secondary mirror assembly, a primary mirror and a secondary mirror and a focusing mechanism, wherein the primary mirror assembly is arranged on the primary mirror assembly; the secondary mirror assembly comprises a secondary lens barrel, a secondary mirror arranged in the secondary lens barrel and a secondary mirror frame arranged between the secondary lens barrel and the connecting cylinder; one end of the secondary lens cone facing the primary lens assembly is provided with a secondary lens hood; the improvement is as follows: the focusing mechanism comprises a heating plate, a focusing spacer ring, an elastic pad and a large nut; the large nut is pressed at one end of the secondary lens cone far away from the main lens assembly through the elastic pad, and the heating sheet is attached to the large nut; the elastic pad generates deformation displacement under the compression of external force; a focusing space ring is arranged between the secondary lens cone and the secondary lens frame; the focusing spacer ring expands and deforms after being heated. The focusing operation of the telescopic system is carried out in a temperature control mode formed by matching the heating sheet with the elastic pad and the focusing space ring, and the telescopic system is simple in structure, light in weight, low in cost and high in reliability.
Description
Technical field
The invention belongs to space optical remote technical fields, and in particular to a kind of preposition telescopic system of long-focus.
Background technology
As spatially first resolution ratio is higher and higher, focal length is increasingly longer for preposition telescopic system, while to image planes
Status requirement is also higher and higher, when environmental factor such as mechanics or temperature change cause to send out between image planes position and detector position
Raw relative movement, then the transmission function of whole system will decline, and decline so as to cause system image quality, it is therefore necessary to introduce focusing
Mechanism carrys out the defocusing amount of compensation optical system.
, can be by the position of mobile detector for an imaging system, or increase focusing microscope group to change
Focal length, to realize focusing.It,, can be with such as R-C systems using reflective optical system for the telescopic system of long-focus
Reduce volume and weight, wherein image planes change in location can be accurately controlled by adjusting primary mirror and secondary mirror interval, to reach focusing
Purpose.Traditional focusing mode generally passes through the modes such as cam, feed screw nut and worm and gear, the common spy of this focusing mode
Point is to be required for a stepper motor as driving element, once motor goes wrong, will influence the normal work of focus adjusting mechanism
Make.
Invention content
In order to solve the problems in background technology, the present invention devises a kind of simple in structure, need to only pass through control time microscope group
The temperature of part reaches the preposition telescopic system of long-focus that the focusing of system requires to adjust the interval of primary mirror and secondary mirror.
The present invention temperature control focusing principle be：When requiring primary and secondary mirror interval to reduce, local liter can be carried out to secondary mirror assembly
Temperature, the focusing spacer ring expanded by heating of duralumin, hard alumin ium alloy material, spring washer are compressed, so that secondary mirror is axially flat towards primary mirror direction
It moves, primary and secondary mirror interval reduces.When requiring primary and secondary mirror interval to increase, cancel temperature control, due to the cold space of space environment, focusing every
Circle is shunk, and the elastic force of spring washer makes time mirror assembly axially be translated towards far from primary mirror direction, and primary and secondary mirror interval increases.By cold
The mutual adjusting in space and heating plate, it is ensured that primary and secondary mirror interval returns to perfect condition.
The specific technical solution of the present invention is：
The present invention provides a kind of preposition telescopic systems of long-focus, including primary mirror component, secondary mirror assembly, connection primary mirror component
It repaiies with the connecting cylinder of secondary mirror assembly, mounted on the primary and secondary mirror of secondary mirror assembly and connection connecting cylinder tie point and cuts pad and for adjusting
In primary mirror component in primary mirror and secondary mirror assembly between secondary mirror spacing focus adjusting mechanism；
Secondary mirror assembly includes time lens barrel, the secondary mirror in secondary lens barrel, time between secondary lens barrel and connecting cylinder
Mirror holder；Secondary lens barrel installs secondary mirror hood towards one end of primary mirror component；
Its improvements is：The focus adjusting mechanism includes heating plate, focusing spacer ring, spring washer and big nut；
Big nut is fitted in time one end of lens barrel far from primary mirror component by spring washer, and heating plate is covered on big nut；Institute
It states spring washer and generates deformational displacement under outer force compresses；Installation focusing spacer ring between secondary lens barrel and secondary mirror holder；The focusing spacer ring adds
Dilatancy after heat.
It is emulated according to test of many times, the present invention has devised a kind of spring washer structure of optimization, and concrete structure is that spring washer is circle
Annular, spring washer offer two groups of grooves and spring washer are divided into three layers successively in a thickness direction；Wherein, close to the groups of slots of time lens barrel
Including three the first arc-shaped grooves being along the circumferential direction distributed on spring washer；Groups of slots far from time lens barrel includes circumferentially square
To three the second arc-shaped grooves being distributed on spring washer；Three the first arc-shaped grooves and three the second arc-shaped grooves interlock
Arrangement；Protrusion there are three being also along the circumferential direction uniformly arranged on the end face that spring washer is contacted with time lens barrel.
Further：The 1/12 of the Zhou Changwei spring washer perimeters of first arc-shaped groove；The perimeter of second arc-shaped groove
It is the 1/6 of spring washer perimeter.
In order to ensure heat insulation, primary and secondary mirror of the invention is repaiied to cut to pad and is made of titanium alloy material, rather than existing skill
The aluminium alloy or other materials of art.
Above system further includes the temperature detecting resistance being covered on big nut.
Movement is not generated in order to ensure in entire temperature control focussing process, the axial generation of system is radial while translation, on
It states and keeps gap between the inner wall of spring washer and big nut outer wall, gap 0.1mm；The inner wall and secondary mirror of focusing washer focusing spacer ring
Gap, gap 0.1mm are kept between drum outer wall；
When doing axial translation, run-off the straight is swung secondary mirror assembly in order to prevent, and above-mentioned secondary lens barrel is gap with time mirror holder
Cooperation, gap 0.015mm；
Above-mentioned spring washer uses beryllium-bronze material machine-shaping；
Above-mentioned focusing spacer ring uses duralumin, hard alumin ium alloy material machine-shaping；
The area of above-mentioned protrusion accounts for the 1/36 of the face area that spring washer is contacted with time lens barrel.
The advantage of the invention is that：
1, the present invention by heating plate coordinate the structure of spring washer and spacer ring of focusing to form a kind of temperature control mode to look in the distance
The focusing work of system is not only simple in structure, light weight and cost is low, reliability is high.
2, temperature control mode of the invention only needs to carry out local heating at secondary mirror, in the connection position of secondary mirror holder and connecting cylinder
The primary and secondary mirror set is repaiied to cut to pad and is made of titanium alloy material, is avoided heat transfer, is played heat-insulated effect.
3, between of the invention spring washer and big nut, between focusing spacer ring and secondary lens barrel and secondary mirror assembly sub-mirror seat with time
It is clearance fit between mirror holder, radial direction does not generate movement, Er Qieneng while not only ensure that the axial generation translation of system
Enough time mirror assemblies of placing are not swung, and substantially increase the stability of system.
Description of the drawings
Fig. 1 is the structure sectional view of the present invention；
Fig. 2 is the partial enlarged view in Fig. 1；
Fig. 3 is secondary mirror assemble cross-section；
Fig. 4 is the partial enlarged view at II in Fig. 3；
Fig. 5 is the partial enlarged view at III in Fig. 3；
Fig. 6 is the partial enlarged view at IV in Fig. 3；
Fig. 7 is the graphics of spring washer；
Fig. 8 is spring washer sectional view；
Fig. 9 is N direction views in Fig. 8；
Figure 10 is K-K sectional views in Fig. 8；
Figure 11 is M-M sectional views in Fig. 8.
Wherein, 1- primary mirrors component；2- mirror assembly；3- connecting cylinders；4- primary and secondary mirrors, which are repaiied, cuts pad；5- primary mirrors；6- secondary mirrors；7- times
Mirror holder；8- lens barrel；9- secondary mirror trim rings；10- secondary mirror metal gaskets；11- secondary mirror valve rubbers；12- secondary mirror hoods；13- spring washers；
14- big nuts；15- focusing spacer rings；16- heating plates；17- temperature detecting resistances；The first circular grooves of 19-；20- second is arc-shaped recessed
Slot；21- protrusions.
Specific implementation mode
Mechanical focusing structure of the present invention in order to solve the preposition telescopic system of tradition causes since stepper motor goes wrong
A kind of the problem of entire focus adjusting mechanism can not work normally, it is proposed that preposition telescopic system of long-focus.
As shown in Figure 1, the system includes primary mirror component 1, secondary mirror assembly 2, (the 4J32 materials of connecting cylinder 3 for connecting two components
Material), mounted on the primary and secondary mirror of 3 tie point of secondary mirror assembly 2 and connecting cylinder repair and cut pad 4 and for adjusting primary mirror 5 in primary mirror component 1
And in secondary mirror assembly 2 between secondary mirror 6 spacing focus adjusting mechanism.
Wherein, compared with legacy system, primary mirror component 1 of the invention and connecting cylinder 3 are identical with traditional telescopic system；
Secondary mirror assembly 2 and focus adjusting mechanism are changed, and concrete structure is as shown in figures 2-6：
Secondary mirror assembly 2 includes the secondary mirror 6 of the secondary mirror holder 7 of 4J32 materials, the secondary lens barrel 8 of 4J32 materials, microcrystal glass material,
The secondary mirror trim ring 9 of duralumin, hard alumin ium alloy material, the secondary mirror metal gasket 10 of brass material, the secondary mirror valve rubber 11 of XM-32 materials, duralumin close
The secondary mirror hood 12 of golden material；Focus adjusting mechanism includes the big nut 14, hard of the spring washer 13 of beryllium-bronze material, duralumin, hard alumin ium alloy material
Focusing spacer ring 15, heating plate 16 and the temperature detecting resistance 17 of aluminum alloy materials.
Concrete structure is：
Secondary mirror 6 is mounted in time lens barrel 8, secondary lens barrel 8 and connecting cylinder 3 are attached by secondary mirror holder 7；Secondary lens barrel 8 is towards master
One end installation secondary mirror hood 12 of mirror assembly 1；
The spring washer 13 of deformation is generated on big nut 14 after suit compression；Big nut 14 is fitted in time lens barrel 8 by spring washer 13
One end far from primary mirror component 1, heating plate 16 and temperature detecting resistance 17 are covered on big nut 14；Secondary lens barrel 8 and time mirror holder 7 it
Between installation focusing spacer ring 15；Dilatancy after spacer ring 15 of focusing heats.
It being emulated by test of many times, spring washer structure is designed to that following mechanism is the most reasonable, and focusing accuracy is more easy to control,
Specifically as shown in Fig. 8,9,11,12：
Spring washer 13 is circular ring shape, and spring washer offers two groups of grooves and spring washer is divided into three layers successively in a thickness direction；Wherein,
Groups of slots close to time lens barrel 8 includes three the first arc-shaped grooves 19 being along the circumferential direction distributed on spring washer；Far from secondary mirror
The groups of slots of cylinder 8 includes three the second arc-shaped grooves 20 being along the circumferential direction distributed on spring washer；Three the first arc-shaped ditches
Slot 19 and three 20 interlaced arrangements of the second arc-shaped groove；It is also along the circumferential direction equal on the end face that spring washer 13 is contacted with time lens barrel 8
There are three protrusions 21 for even setting.
Further Optimized Measures are：The 1/12 of the Zhou Changwei spring washer perimeters of first arc-shaped groove 19；Second is arc-shaped
The 1/6 of the Zhou Changwei spring washer perimeters of groove 20.
When assembly, rotation big nut compresses spring washer, and spring washer compression generates deformation, due to the effect of protrusion 21, close to secondary mirror
Second arc-shaped groove 20 of cylinder end face completely eliminates, and due to the elastic force of itself of spring washer 13, secondary mirror assembly 2 is completely fixed, and
The first arc-shaped groove 19 far from time lens barrel 8 is not eliminated, which does not bring stress, does not also influence the face of secondary mirror
Shape.
Further to meet the requirement of local temperature control focusing, four kinds of technological means of this patent innovation are wanted to meet
It asks.
1, the primary and secondary mirror that titanium alloy is designed between secondary mirror assembly and connecting cylinder is repaiied and cuts pad, as shown in Figure 2.Primary and secondary mirror, which is repaiied, to be cut
It pads in addition to for the conventional interval for ensureing primary mirror component and time mirror assembly, also functions to heat-insulated effect, when secondary mirror assembly carries out
When local heating or cooling, primary and secondary mirror, which is repaiied to cut to pad, can reduce secondary heat biography between mirror assembly and body tube and primary mirror component
It passs.
2, secondary lens barrel and secondary mirror holder clearance fit, fit clearance 0.015mm can prevent time mirror assembly from doing axial direction in this way
When translation, run-off the straight is swung.
3, there are the gap of 0.1mm (in Fig. 6 at D), the diameters of limitation focusing spacer ring with secondary mirror drum outer wall for focusing spacer ring inner wall
To translation, as shown in Figure 4.Spacer ring focus using the big metal material of linear expansion coefficient, both can guarantee that secondary mirror component was fixed steady
Fixed degree, also can be when secondary mirror assembly carries out local heating or cooling, and larger thermal deformation occurs for focusing spacer ring, pushes time mirror assembly
Axially translate；.
4, as shown in fig. 6, the wall of spring washer inner wall and big nut limits the diameter of spring washer there are the gaps 0.1mm (in Fig. 5 at C)
To translation.
The assembly method of the system is：First, secondary mirror is packed into time lens barrel, secondly, is sequentially loaded into secondary mirror valve rubber, secondary mirror
Metal gasket, secondary mirror trim ring compress, and XM-31 glue is noted from hole for injecting glue；Then, spacer ring of focusing on secondary mirror jacket casing is put into time mirror holder, after
Spring washer and big nut are loaded onto successively in face；Then, secondary lens barrel is previously by screw thread installation secondary mirror hood composition time mirror assembly；Most
Afterwards, secondary mirror assembly and primary and secondary mirror, which are repaiied, cuts pad and connecting cylinder is connected by screw, and other end primary mirror component and body tube pass through screw
Connection, forms preposition telescopic system, as shown in Figure 3：Heating plate and temperature detecting resistance paste in Fig. 3 at A.
Claims (7)
1. a kind of preposition telescopic system of long-focus, includes the company of primary mirror component, secondary mirror assembly, connection primary mirror component and secondary mirror assembly
Connect cylinder, mounted on secondary mirror assembly and connection connecting cylinder tie point primary and secondary mirror repair cut pad and for adjusting primary mirror in primary mirror component
And in secondary mirror assembly between secondary mirror spacing focus adjusting mechanism；
Secondary mirror assembly includes time lens barrel, the secondary mirror in secondary lens barrel, the secondary mirror holder between secondary lens barrel and connecting cylinder；
Secondary lens barrel installs secondary mirror hood towards one end of primary mirror component；
It is characterized in that：The focus adjusting mechanism includes heating plate, focusing spacer ring, spring washer and big nut；
Big nut is fitted in time one end of lens barrel far from primary mirror component by spring washer, and heating plate is covered on big nut；The bullet
Pad generates deformational displacement under outer force compresses；Installation focusing spacer ring between secondary lens barrel and secondary mirror holder；After the focusing spacer ring heating
Dilatancy；
The spring washer is circular ring shape, and spring washer offers two groups of grooves and spring washer is divided into three layers successively in a thickness direction；Wherein, it leans on
The groups of slots of close lens barrel includes three the first arc-shaped grooves being along the circumferential direction distributed on spring washer；Ditch far from time lens barrel
Slot group includes three the second arc-shaped grooves being along the circumferential direction distributed on spring washer；Three the first arc-shaped grooves and three
Two arc-shaped groove interlaced arrangements；Protrusion there are three being also along the circumferential direction uniformly arranged on the end face that spring washer is contacted with time lens barrel.
2. according to the preposition telescopic system of long-focus described in claim 1, it is characterised in that：The Zhou Changwei bullets of first arc-shaped groove
Pad the 1/12 of perimeter；The 1/6 of the Zhou Changwei spring washer perimeters of second arc-shaped groove.
3. the preposition telescopic system of long-focus according to claim 2, it is characterised in that：The primary and secondary mirror, which is repaiied, cuts pad using titanium
Alloy material is made.
4. the preposition telescopic system of long-focus according to claim 3, it is characterised in that：Further include being covered on big nut
Temperature detecting resistance.
5. the preposition telescopic system of long-focus according to claim 4, it is characterised in that：The inner wall of spring washer and big nut outer wall
Between keep gap, gap 0.1mm；
Gap, gap 0.1mm are kept between the inner wall and secondary mirror drum outer wall of focusing spacer ring；
The secondary lens barrel is clearance fit, gap 0.015mm with time mirror holder.
6. the preposition telescopic system of long-focus according to claim 5, it is characterised in that：The spring washer uses beryllium-bronze material
Machine-shaping；
The focusing spacer ring uses duralumin, hard alumin ium alloy material machine-shaping.
7. the preposition telescopic system of long-focus according to claim 6, it is characterised in that：The area of the protrusion account for spring washer with
The 1/36 of the face area of secondary lens barrel contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765664.6A CN106444000B (en) | 2016-08-29 | 2016-08-29 | Long-focus front telescope system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765664.6A CN106444000B (en) | 2016-08-29 | 2016-08-29 | Long-focus front telescope system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106444000A CN106444000A (en) | 2017-02-22 |
| CN106444000B true CN106444000B (en) | 2018-11-02 |
Family
ID=58091914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610765664.6A Active CN106444000B (en) | 2016-08-29 | 2016-08-29 | Long-focus front telescope system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106444000B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514299A (en) * | 2018-12-04 | 2019-03-26 | 天津津航技术物理研究所 | A kind of optics time mirror holder processing and positioning device |
| CN110806631B (en) * | 2019-11-26 | 2021-08-17 | 长光卫星技术有限公司 | Bidirectional heating focusing structure |
| TWI730666B (en) * | 2020-03-12 | 2021-06-11 | 財團法人國家實驗研究院 | The optical system having a secondary mirror focusing mechanism |
| CN111781720A (en) * | 2020-07-16 | 2020-10-16 | 南通斯密特森光电科技有限公司 | Detachable secondary mirror shading device based on catadioptric telescope |
| CN112255777A (en) * | 2020-11-06 | 2021-01-22 | 中国航空工业集团公司洛阳电光设备研究所 | High-precision card type telescopic system |
| CN113074911B (en) * | 2021-03-22 | 2022-06-07 | 中国科学院空天信息创新研究院 | Stability detection method for thermal control focusing mechanism |
| CN115826322B (en) * | 2022-12-07 | 2024-08-30 | 中国科学院西安光学精密机械研究所 | Structure and method for temperature focusing of long-focus camera |
| CN117055205A (en) * | 2023-10-11 | 2023-11-14 | 长春通视光电技术股份有限公司 | Athermalization aviation camera telescopic system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783352Y (en) * | 2005-03-04 | 2006-05-24 | 中国科学院国家天文台南京天文光学技术研究所 | Sub-lens self-adaption positoing mechanism for astronmical telescope |
| US8139205B2 (en) * | 2008-05-12 | 2012-03-20 | Flir Systems, Inc. | Optical payload with integrated laser rangefinder and target designator |
| JP2010008825A (en) * | 2008-06-30 | 2010-01-14 | Nikon Corp | Observation optical system |
| CN101359090B (en) * | 2008-08-08 | 2010-10-06 | 中国科学院国家天文台南京天文光学技术研究所 | Movement implementing mechanism for LAMOST type astronomical focus panel |
| CN206115019U (en) * | 2016-08-29 | 2017-04-19 | 中国科学院西安光学精密机械研究所 | Long-focus front telescope system |
-
2016
- 2016-08-29 CN CN201610765664.6A patent/CN106444000B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106444000A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106444000B (en) | Long-focus front telescope system | |
| Bayar | Lens barrel optomechanical design principles | |
| CN105388577B (en) | LONG WAVE INFRARED machinery passive type is without thermalization camera lens and its compensation adjustment method | |
| CN206115019U (en) | Long-focus front telescope system | |
| CN106199900A (en) | A kind of combination mirror holder with hot focusing function | |
| CN105487193A (en) | F19mm large relative aperture mechanical passive type athermalized lens and compensation adjusting method | |
| CN109751938A (en) | Space camera heavy caliber tooth form mirror assembly high-precision Method of Adjustment and device | |
| CN115308874B (en) | Interference-free gravity unloading mechanism of large-caliber reflector | |
| CN103364932B (en) | Medium-wave infrared refrigerated lens with long focal length and large aperture | |
| CN110412756A (en) | Non-refrigeration type long-wave infrared continuous zoom lens and adjusting method | |
| CN111123470B (en) | Large-caliber variable-azimuth reflector assembly adaptive to radial thermodynamic flexibility | |
| CN102707411B (en) | Universal adjusting mechanism of compact folding-shaft reflecting mirror | |
| CN110908058A (en) | Multi freedom optical axis timing device | |
| CN110806631B (en) | Bidirectional heating focusing structure | |
| CN113753271B (en) | Preposed filter supporting device of space solar telescope | |
| CN106842515A (en) | A kind of ultra-wide angle telescope suitable for space environment | |
| CN112285873B (en) | Optical-mechanical structure reflector statically-fixed supporting structure based on three-point spherical hinge | |
| CN109755908B (en) | GIS bus and bus expansion joint thereof | |
| CN206411325U (en) | Suitable for the ultra-wide angle telescope of space environment | |
| CN111983768B (en) | Lens barrel structure for precision adjustment and high stability of astronomical spectrometer | |
| CN106969754B (en) | Thermal control focusing auxiliary assembly and adjustment device and method | |
| CN206020796U (en) | Far infrared long wave dolly-out,s dolly-back high mist transmitting without transconversion into heat camera lens | |
| CN112394469B (en) | High-precision mechanical passive athermalization all-silicon lens | |
| CN105511050A (en) | Elastic center supporting structure of reflector | |
| CN115877533B (en) | Infrared luminescence lens structure adopting self-adaptive flexible supporting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |