CN109471236A - The positioning component of the back support of optical sensor reflecting mirror - Google Patents
The positioning component of the back support of optical sensor reflecting mirror Download PDFInfo
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- CN109471236A CN109471236A CN201811590781.9A CN201811590781A CN109471236A CN 109471236 A CN109471236 A CN 109471236A CN 201811590781 A CN201811590781 A CN 201811590781A CN 109471236 A CN109471236 A CN 109471236A
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- substrate
- hole
- matching
- fixation kit
- location structure
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The present invention relates to a kind of location structures of the back support of optical sensor mirror assembly, comprising: substrate;First fixation kit is set on the substrate, for fixing optical sensor mirror assembly;Bearing assembly, including the second fixation kit for being set to the substrate upper load-bearing body and being set on load-bearing part;The load-bearing part is used to carry the engagement pad of optical sensor mirror assembly, and second fixation kit is used to contact being fixed on load-bearing part.First fixation kit and bearing assembly of the invention realize mirror body and engagement pad relatively fixed, when implementing grinding, abrasive power is directly acted at the end face of primary mirror component back contact pad, directly it is transmitted on substrate by bearing assembly, back support is not subject to alternate stress and then avoids fatigue damage, meanwhile abrasive power when can significantly promote grinding engagement pad end face is to promote the grinding efficiency that soft section end face coplane degree is ground.
Description
Technical field
The present invention relates to optical sensor technical fields, more particularly to a kind of back-supported of optical sensor reflecting mirror
The positioning component of part.
Background technique
Application of the space optical remote sensor in the fields such as observation, space exploration over the ground has important science and economic meaning
Justice.Mirror assembly is most important component in entire optical system in remote sensor, their surface figure accuracy height direct relation
To the quality of entire remote sensor image quality.Reflecting mirror is since mirror surface size is big, in gravitational load, temperature loading and reflecting mirror
Under the action of the composite factors such as component rigging error, mirror surface often generates serious deformation, for the face shape for reducing mirror assembly
For precision with respect to the susceptibility of rigging error and temperature loading, the support construction of mirror assembly generally uses flexible support structure.
Such as Fig. 1 to Fig. 3, the supporting form at 3 points traditional of mirror assembly back mainly includes mirror body 1, with mirror body central axis is
The heart is distributed on circumference and 120 degree of uniform intervals of three groups of supporting elements flexible and connects for fixing corresponding supporting element first
Screw 2, the second attachment screw 3, the first shop bolt 4.Each supporting element includes the tapered sleeve 5 for being embedded at back of reflecting mirror, one end
The flexible link 6 being connect with tapered sleeve and the engagement pad flexible 7 being connect with flexible link far from one end of tapered sleeve.By adjusting soft bar 6
It can be very good to eliminate along the position of optical axis direction with 5 mounting flange face of tapered sleeve (i.e. the plane of mirror back surface and flanged joint)
Influence of the gravitational load to reflecting mirror surface shape precision;Temperature loading is cut down by increasing engagement pad 7 flexible in flexible link 6
Due to the inconsistent bring thermal stress of the material linear expansion coefficient of mirror body 1 and braced frame when application;Flexible strutting piece can be effective
Weaken when mirror assembly is installed on external structure the bring erection stress due to the flatness difference of connecting flange faces.Mirror assembly
Assembly it is all screw connection position, require high flatness, especially multiple end faces connect jointly with external structure
When connecing, even the end face (i.e. the face machined flat 1,2 and 3 that Fig. 3 shows) that engagement pad is opposite with flexible link needs extremely excellent coplane degree,
The error magnitude of this coplane degree is about in 0.005mm, and the realization technique of this precision routine is grinding, i.e., according to test data
Manually use lap tool face machined flat repeatedly.
The grinding technics of the end face of usual engagement pad is after it is assembled in mirror body 1, downward by reflection subassembly mirror surface
It is inverted on reference platform, then measures the coplane degree of the end face of three engagement pads, grind three using lap tool according to detected value
Face amount coplane degree is better than 0.005mm.However, the alternate stress of a cycle is born for supporting element flexible, and
Grinding technics general persistence is longer, and supporting element may generate fatigue rupture or close to fatigue rupture.
Summary of the invention
Based on this, it is necessary to, can be in view of the above-mentioned problems, the present invention provides the grinding location structure of a kind of pair of flexible support
Flexible structure is effectively avoided to bear alternate stress.
A kind of location structure of the back support of optical sensor mirror assembly, comprising:
Substrate;
First fixation kit is set on the substrate, for fixing optical sensor reflection microscope group;
Bearing assembly, including the second fixation kit for being set to the substrate upper load-bearing body and being set on load-bearing part;Institute
Engagement pad of the load-bearing part for optical sensor mirror assembly is stated, second fixation kit is held for contact to be fixed on
In holder.
In a preferred embodiment, the substrate is in disk-shaped, and the quantity of first fixation kit is at least three
A and center using substrate is distributed on a circumference as the center of circle;Each fixation kit includes that a locating piece and at least two will determine
Position block is fixed on the first fixing piece on substrate.
In a preferred embodiment, the quantity of first fixation kit is three and 120 degree of uniform intervals distributions
In on the circumference;The L-shaped and interconnecting piece including rectangular flat plate of each locating piece and connected vertically with interconnecting piece
The positioning region of rectangular flat plate;The interconnecting piece offers and the one-to-one fixation hole of the first fixing piece.
In a preferred embodiment, it is round circular deep gouge that the substrate, which is offered with substrate center,;Described
One fixation kit is set to the deep gouge edge.
In a preferred embodiment, the load-bearing part includes transverse slat and a pair of of one end connection transverse slat other end substrate
Support plate;The transverse slat offers matching hole;Second fixation kit is set on transverse slat and engagement pad is fixed on cooperation
In hole.
In a preferred embodiment, the transverse slat includes matching board and the connection for being connected to cooperation board ends
Plate;The matching hole is opened in the matching board, and the matching board is also provided with positioned at matching hole side and is connected to matching hole
At least two fastener holes;Second fixation kit include at least two second fixing pieces, each second fixing piece with it is corresponding
One fastener hole protrudes into matching hole with merging;The one end of each connecting plate far from matching board is connected with a corresponding support plate.
In a preferred embodiment, the L-shaped and fixed part including rectangular flat plate of the support plate and with
The mounting portion of fixed part rectangular flat plate connected vertically;The fixed part is offered for passing through third fixing piece for fixed part
The assembly hole being installed on substrate;The one end of the mounting portion far from fixed part is connected with connecting plate by the 4th fixing piece.
In a preferred embodiment, the matching board is opened in the middle part of matching board in rectangle and the matching hole;
The fastener hole is screw hole and quantity is four and is opened in four sides of the matching board respectively;Second fixing piece is screw
And quantity is also four.
In a preferred embodiment, the cooperation board ends extend vertically to form a pair of first buttcover plate;Each company
Fishplate bar extends vertically to form second buttcover plate far from one end of support plate;First buttcover plate and corresponding second buttcover plate
It is in contact and passes through the connection of the 5th fixing piece.
In a preferred embodiment, the matching board is also provided with a pair of with fastener hole one around matching hole
The perforation answered;Each fastener hole is by two sections be divided into close to matching hole and far from matching hole of perforating.
First fixation kit and bearing assembly of the invention are relatively fixed by mirror body and engagement pad realization, when implementing grinding,
Abrasive power is directly acted at the end face of primary mirror component back contact pad, and the abrasive power that engagement pad is born is no longer transferred to flexibility
It on bar, is directly transmitted on substrate by bearing assembly, flexible link is not subject to alternate stress and then avoids fatigue damage, together
When, abrasive power when can significantly promote grinding engagement pad end face is imitated to promote the grinding of soft section end face coplane degree grinding
Rate.
Detailed description of the invention
Fig. 1 is the rearview of existing optical sensor mirror assembly;
Fig. 2 is the cross-sectional view figure along the direction C-C of optical sensor mirror assembly shown in FIG. 1;
Fig. 3 is the perspective view of optical sensor mirror assembly shown in FIG. 1;
Fig. 4 is shown in the location structure and Fig. 3 of the back support of optical sensor mirror assembly provided by the invention
Optical sensor mirror assembly cooperation when perspective view;
Fig. 5 is the partial enlarged view of Fig. 4;
Fig. 6 is the solid of the substrate of the location structure of the back support of optical sensor mirror assembly shown in Fig. 4
Figure.
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, ordinary skill personage are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 4 and Fig. 5, a kind of positioning of the back support of optical sensor mirror assembly provided by the invention
Structure 100 is applied to the positioning when back support grinding of optical sensor mirror assembly 200.The optical remote sensing
Device mirror assembly 200 includes mirror body 1, is distributed in centered on 1 central axis of mirror body on circumference and three groups of 120 degree of uniform intervals
Supporting element flexible, every group of supporting element include the engagement pad flexible 7 far from the setting of 1 one end of mirror body.Wherein, mirror body 1 and contact
Pad 7 is circle.The location structure 100 of the back support of the optical sensor mirror assembly is solid including substrate 8, first
Determine component 20 and bearing assembly 30.First fixation kit 10 is set on the substrate 8, for fixing optical sensor
Mirror assembly 200;The bearing assembly 30, including be set to 8 upper load-bearing body 31 of substrate and be set on load-bearing part 31
The second fixation kit 32;The load-bearing part 31 is used to carry the engagement pad 7 of optical sensor mirror assembly 200, and described the
Two fixation kits 32 are used to engagement pad 7 being fixed on load-bearing part 31.
First fixation kit and bearing assembly of the invention are relatively fixed by mirror body and engagement pad realization, when implementing grinding,
Abrasive power is directly acted at the end face of primary mirror component back contact pad, and the abrasive power that engagement pad is born is no longer transferred to flexibility
It on bar, is directly transmitted on substrate by bearing assembly, flexible link is not subject to alternate stress and then avoids fatigue damage, together
When, abrasive power when can significantly promote grinding engagement pad end face is imitated to promote the grinding of soft section end face coplane degree grinding
Rate.
Specifically, in present embodiment, the substrate 8 is in disk-shaped, first fixation kit please refer to Fig. 6
20 quantity is at least three and is distributed on a circumference by the center of circle of the center of substrate 8.Each first fixation kit 20 includes
One locating piece 9 and at least two locating piece 9 is fixed on to the first fixing piece 10 on substrate.In other embodiments, institute
Stating substrate 8 can be the regular polygon or not that equilateral triangle, square, regular pentagon, regular hexagon homalographic are greater than mirror body 1
Regular shape.For the ease of manufacturing and using, in present embodiment, the substrate 8 is that round and mirror body 1 is fixed on substrate 8
When, the central axis of mirror body and the center overlapping of axles of substrate.
In the present embodiment, the quantity of first fixation kit 20 is distributed in institute for three and 120 degree of uniform intervals
It states on circumference.The L-shaped and interconnecting piece 91 including rectangular flat plate of each locating piece 9 and connected vertically with interconnecting piece 91
The positioning region 92 of rectangular flat plate;The interconnecting piece 91 offers and the one-to-one fixation hole 910 of the first fixing piece 92.This reality
It applies in mode, first fixing piece 92 is screw and quantity is two, and the fixation hole 910 is screw hole, is corresponded on substrate 8 solid
Determine hole 910 and also offers screw hole corresponding with the first fixation hole.It is corresponding with substrate 8 that fixation hole 910 is passed through by the first fixing piece
Screw hole cooperation locating piece 9 is fixed on substrate 8.In other embodiments, the quantity of the fixation kit 20 can also be with
It is for four, five or more and be uniformly distributed on circumference.In other embodiments, one or two other locating piece
9 can be integrally formed or all by being fixedly welded on substrate 8 (i.e. non-dismountable) with substrate, and three the first fixation kits 20
Structure can be different, in the present embodiment, for the ease of manufacture, the structure of three the first fixation kits 20 is identical.
In order to which preferably mirror body 1 is fixed on substrate 8, in present embodiment, the substrate 8 is offered in substrate 8
The heart is the circular for accommodating the deep gouge 81 of 1 one end of mirror body of the center of circle;First fixation kit 20 is set to the deep gouge 81
Edge.The shape of deep gouge 81 corresponds to one end of mirror body 1, in this way, can first pre-fix one end of mirror body 1 in deep gouge 81, so
The first fixation kit 20 is fixed on 81 edge of deep gouge again afterwards, mirror body 1 is further fixed, until the work of dual fixation
With.
Referring to figure 4. and Fig. 5, the load-bearing part 31 include that transverse slat 101 and a pair of of one end connect 101 other end substrate of transverse slat
Support plate 15;The transverse slat 101 offers matching hole 1011;Described second fixed group 32 is set on transverse slat 101 and will
Engagement pad 7 is fixed in matching hole 1011.The transverse slat 101 is supported by support plate 15.
More specifically, the transverse slat 101 includes matching board 11 and the connecting plate 13 for being connected to cooperation board ends;It is described
Matching hole 1011 is opened in the matching board 11, the matching board 101 be also provided with positioned at 1011 side of matching hole and with cooperation
At least two fastener holes 1012 that hole 1011 is connected to.Second fixation kit 32 includes at least two second fixing pieces 17, often
A second fixing piece 17 cooperates with a corresponding fastener hole 1012 and one end is protruded into matching hole 1011 and clamps described connect with this
Touch pad 7;The one end of each connecting plate 13 far from matching board 101 is connected with a corresponding support plate 15.In other embodiments,
Each connecting plate 13 can be integrally formed with to regard to a support plate 15.
In the present embodiment, the L-shaped and fixed part 151 including rectangular flat plate of the support plate 15 and with it is solid
Determine the mounting portion 152 of the rectangular flat plate connected vertically of portion 151;The fixed part 151 is offered for by third fixing piece
16 are installed on fixed part 151 assembly hole 1511 on substrate;The one end of the mounting portion 152 far from fixed part and connecting plate 13
It is connected by the 4th fixing piece 14.In present embodiment, the third fixing piece 16 and the 4th fixing piece 14 are screw.?
In his embodiment, the third fixing piece 16 and the 4th fixing piece 14 or bolt, pin or rivet etc..
In the present embodiment, the matching board 101 is opened in matching board 101 in rectangle and the matching hole 1011
Portion;The fastener hole 1012 is screw hole and quantity is four and is opened in four sides of the matching board 101 respectively;Described second is solid
Determine that part 17 is screw and quantity is also four.
Further, 11 both ends of matching board extend vertically to form a pair of first buttcover plate 1013;Each connecting plate 13
One end far from support plate extends vertically to form second buttcover plate 131;First buttcover plate 1013 with corresponding one second pair
Fishplate bar 131 is in contact and is connected by the 5th fixing piece 12.In present embodiment, the 5th fixing piece 12 is screw.At him
In embodiment, the 5th fixing piece 12 or bolt, pin or rivet etc..
Further, the matching board 101 is also provided with a pair of with fastener hole 1,012 1 around matching hole 1011
The perforation 1014 answered;Each fastener hole 1012 is two close to matching hole 1011 and far from matching hole 1011 by 1014 points of perforation
Section facilitates the screw-in of the second fastener 17 (if 1014 foot of corresponding perforation wherein one far from matching hole 1011 section is unthreaded hole
It is enough big, there are enough spaces to place spanner and tighten the second fastener 17, then can cancel the unthreaded hole far from matching hole 1011), it approaches
One section of matching hole 1011 is screw hole.On the one hand the setting of perforation 1014 can increase the elasticity of matching board, on the one hand can see
Examine the state (such as depth of screw-in) that the second fixing piece 17 screws in fastener hole.
It being packed into deep gouge 81 in use, mirror body 1 is first assembled with the opposite one end of supporting element with back, realization pre-fixes,
Then locating piece 9 is installed on substrate 8 by the first fixing piece 10 and is resisted against the edge of mirror body 1;Support plate 15 is led to again
It crosses third fixing piece 16 to be fixed on substrate, and one end of each connecting plate 13 passes through the peace of the 4th fixing piece 14 and support plate 15
Dress portion 152 connects, and the other end of connecting plate 13 passes through the second buttcover plate 131 first buttcover plate corresponding with matching board 101
1013 are in contact and are connected by the 5th fixing piece 12, and the engagement pad of supporting element 7 is then packed into 101 matching hole 1011 of matching board
It is interior, then match to merge with fastener hole 1012 by the second fixing piece 17 and protrude into matching hole, with this clamped contact pad 7.In this way, making
It obtains engagement pad 7 to be fixed on matching board 101, and is supported on substrate 8 by support plate 15, then engagement pad 7 is ground.
When grinding, the stress acted in engagement pad 7 can be transferred directly to bearing assembly 30 and can be further transferred to
Substrate, the engagement pad and other elements of supporting element are not subject to alternate stress and then avoid fatigue damage, simultaneously as to contact
The fixation of pad, abrasive power when can significantly promote the end face of grinding engagement pad is to promote the grinding of soft section end face coplane degree
Grinding efficiency.
One or more of embodiments of the invention above described embodiment only expresses, description are more specific and detailed
Carefully, but it cannot be understood as the limitations to patent of invention range.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the present invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of location structure of the back support of optical sensor mirror assembly characterized by comprising
Substrate;
First fixation kit is set on the substrate, for fixing optical sensor mirror assembly;
Bearing assembly, including the load-bearing part being set on the substrate and the second fixation kit being set on load-bearing part;It is described
Load-bearing part is used to carry the engagement pad of optical sensor mirror assembly, and second fixation kit is for contact to be fixed on
On load-bearing part.
2. location structure according to claim 1, which is characterized in that the substrate is in disk-shaped, the described first fixed group
The quantity of part is at least three and is distributed on a circumference by the center of circle of the center of substrate;Each first fixation kit includes one
Locating piece and at least two locating piece is fixed on to the first fixing piece on substrate.
3. location structure according to claim 2, which is characterized in that the quantity of first fixation kit is for three and equal
Even 120 degree of interval is distributed on the circumference;The L-shaped and interconnecting piece including rectangular flat plate of each locating piece and with even
The positioning region of socket part rectangular flat plate connected vertically;The interconnecting piece is offered to be fixed correspondingly with the first fixing piece
Hole.
4. location structure according to claim 2, which is characterized in that the substrate is offered using substrate center as the center of circle
Circular deep gouge;First fixation kit is set to the deep gouge edge.
5. location structure according to claim 1, which is characterized in that the load-bearing part includes transverse slat and a pair of of one end connection
The support plate of transverse slat other end substrate;The transverse slat offers matching hole;Second fixation kit is set on transverse slat and will
Engagement pad is fixed in matching hole.
6. location structure according to claim 5, which is characterized in that the transverse slat includes that matching board and being connected to is matched
The connecting plate at plywood both ends;The matching hole is opened in the matching board, and the matching board is also provided with positioned at matching hole side
And at least two fastener holes being connected to matching hole;Second fixation kit includes at least two second fixing pieces, Mei Ge
Two fixing pieces protrude into matching hole with a corresponding fastener hole with merging;The one end of each connecting plate far from matching board and corresponding one
A support plate connection.
7. location structure according to claim 6, which is characterized in that the support plate is L-shaped and including rectangular plate
The fixed part of shape and mounting portion with fixed part rectangular flat plate connected vertically;The fixed part is offered for by the
Fixed part is installed on the assembly hole on substrate by three fixing pieces;The one end of the mounting portion far from fixed part and connecting plate pass through the
Four fixing pieces are connected.
8. location structure according to claim 6, which is characterized in that the matching board is opened up in rectangle and the matching hole
In the middle part of matching board;The fastener hole is screw hole and quantity is four and is opened in four sides of the matching board respectively;It is described
Second fixing piece is screw and quantity is also four.
9. location structure according to claim 8, which is characterized in that the cooperation board ends extend vertically to form a pair of the
One buttcover plate;Each connecting plate extends vertically to form second buttcover plate far from one end of support plate;First buttcover plate with it is right
It answers second buttcover plate to be in contact and passes through the connection of the 5th fixing piece.
10. location structure according to claim 8, which is characterized in that the matching board was also provided with positioned at matching hole week
That encloses perforates correspondingly with fastener hole;Each fastener hole is by two sections be divided into close to matching hole and far from matching hole of perforating.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811590781.9A CN109471236B (en) | 2018-12-25 | 2018-12-25 | Positioning assembly for back support of optical remote sensor reflector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811590781.9A CN109471236B (en) | 2018-12-25 | 2018-12-25 | Positioning assembly for back support of optical remote sensor reflector |
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CN109471236A true CN109471236A (en) | 2019-03-15 |
CN109471236B CN109471236B (en) | 2020-08-21 |
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CN201811590781.9A Expired - Fee Related CN109471236B (en) | 2018-12-25 | 2018-12-25 | Positioning assembly for back support of optical remote sensor reflector |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110989131A (en) * | 2019-11-30 | 2020-04-10 | 长光卫星技术有限公司 | Comprehensive main support back plate suitable for light space camera |
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FR2534663A1 (en) * | 1982-10-15 | 1984-04-20 | Matra | Structure for fixing a part to a support |
CN104280858A (en) * | 2014-10-23 | 2015-01-14 | 中国工程物理研究院总体工程研究所 | Flexible back supporting device for large-caliber reflector |
CN105022136A (en) * | 2015-07-15 | 2015-11-04 | 中国科学院长春光学精密机械与物理研究所 | Back supporting mechanism of reflector in aerial remote sensing camera |
CN106526784A (en) * | 2016-11-30 | 2017-03-22 | 中国科学院长春光学精密机械与物理研究所 | Flexible supporting mechanism for plane mirror |
CN107121754A (en) * | 2017-05-31 | 2017-09-01 | 长光卫星技术有限公司 | A kind of lightweight mirror flexible supporting device |
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2018
- 2018-12-25 CN CN201811590781.9A patent/CN109471236B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2534663A1 (en) * | 1982-10-15 | 1984-04-20 | Matra | Structure for fixing a part to a support |
CN104280858A (en) * | 2014-10-23 | 2015-01-14 | 中国工程物理研究院总体工程研究所 | Flexible back supporting device for large-caliber reflector |
CN105022136A (en) * | 2015-07-15 | 2015-11-04 | 中国科学院长春光学精密机械与物理研究所 | Back supporting mechanism of reflector in aerial remote sensing camera |
CN106526784A (en) * | 2016-11-30 | 2017-03-22 | 中国科学院长春光学精密机械与物理研究所 | Flexible supporting mechanism for plane mirror |
CN107121754A (en) * | 2017-05-31 | 2017-09-01 | 长光卫星技术有限公司 | A kind of lightweight mirror flexible supporting device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110989131A (en) * | 2019-11-30 | 2020-04-10 | 长光卫星技术有限公司 | Comprehensive main support back plate suitable for light space camera |
CN110989131B (en) * | 2019-11-30 | 2022-04-12 | 长光卫星技术股份有限公司 | Comprehensive main support back plate suitable for light space camera |
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