CN109164568B - Carbon fiber composite telescope - Google Patents
Carbon fiber composite telescope Download PDFInfo
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- CN109164568B CN109164568B CN201811151115.5A CN201811151115A CN109164568B CN 109164568 B CN109164568 B CN 109164568B CN 201811151115 A CN201811151115 A CN 201811151115A CN 109164568 B CN109164568 B CN 109164568B
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- 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
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
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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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Abstract
The invention discloses a carbon fiber composite material telescope, which belongs to the technical field of optical telescopes, wherein a main retroreflector, a main mirror supporting mandrel, a main mirror supporting back plate, a lens barrel, a supporting device, a turning mirror supporting mandrel, an eyepiece connecting barrel and a telescope mounting mechanism are all made of carbon fiber materials, the main retroreflector is fixedly connected to the middle of the main mirror supporting back plate through the main mirror supporting mandrel, the turning mirror is fixedly connected to one end of the supporting device through the turning mirror supporting mandrel, the supporting device is fixedly connected with an eyepiece assembly through the eyepiece connecting barrel, one end of the lens barrel is fixedly connected with the main mirror supporting back plate, the other end of the lens barrel is fixedly connected with the supporting device, and the middle of the lens barrel is fixedly connected with the telescope supporting frame through a plurality of telescope mounting mechanisms.
Description
Technical Field
The invention relates to the technical field of optical telescopes, in particular to a carbon fiber composite telescope.
Background
At present, in the prior art, each component of a telescope is usually made of different materials, a lens barrel and a supporting device are made of metal materials, and a reflector is made of microcrystal or silicon carbide or optical glass, which causes two problems:
1. the density of the metal material is higher, so that the weight of the whole telescope is heavy;
2. the supporting device and the reflector adopt different materials to cause inconsistent thermal expansion coefficients, and in order to reduce deformation caused by temperature change, the supporting device needs to be designed with a complex mechanical structure to eliminate thermal stress;
therefore, in view of the above problems, it is necessary to provide a carbon fiber composite telescope which is light in weight, high in thermal stability, and simple in structure.
Disclosure of Invention
The invention aims to provide a carbon fiber composite telescope which is light in weight, high in thermal stability and simple in structure.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention discloses a carbon fiber composite telescope, which comprises:
the main reflecting mirror is fixedly connected to the central position of the main mirror support back plate through a main mirror support mandrel;
the turning mirror is fixedly connected to one end of the supporting device through a turning mirror supporting mandrel, and the supporting device is fixedly connected with an eyepiece assembly through an eyepiece connecting cylinder;
one end of the lens cone is fixedly connected with the main mirror supporting back plate, the other end of the lens cone is fixedly connected with the supporting device, and the middle part of the lens cone is fixedly connected with a plurality of mounting mechanisms;
the main retroreflector, the main mirror supporting mandrel, the main mirror supporting back plate, the lens cone, the supporting device, the turning mirror supporting mandrel, the eyepiece connecting cylinder and the telescope mounting mechanism are all made of carbon fiber materials.
Further, the primary mirror support mandrel is of a hollow cylinder structure into which the light path can be introduced, one end of the primary mirror support mandrel is fixedly connected with the primary reflecting mirror through gluing, and the other end of the primary mirror support mandrel is fixedly connected with the primary mirror support back plate through a bolt.
Furthermore, the center of the main mirror support back plate is provided with a shaft hole through which the main mirror support mandrel can pass, and metal embedded parts in bolted connection with the main mirror support mandrel are uniformly distributed and embedded around the shaft hole.
Further, the supporting device includes a supporting frame and a supporting rib member;
the supporting frame is a cylindrical cylinder with at least three sides, one end of the supporting frame is fixedly connected with the lens cone, a light through hole capable of transmitting light paths is formed in a cylinder body at the connecting end of the supporting frame and the lens cone, and the eyepiece connecting cylinder is fixedly connected to the light through hole;
the support rib part is fixedly connected to the connecting end of the support frame far away from the lens cone, and the center of the support rib part is fixedly connected with the fold-back lens support mandrel.
Furthermore, the support rib component comprises a first cylinder, a second cylinder and a support rib plate, the second cylinder is sleeved outside the first cylinder, the support rib plate is fixedly connected between the first cylinder and the second cylinder, the first cylinder is fixedly connected with the support mandrel of the turn-back mirror, and one end of the support rib plate, which is close to the second cylinder, is fixedly connected with the support frame.
Furthermore, braced frame is for dividing the body structure, braced frame is equipped with two mounting panels, two a plurality of connecting plates have been linked firmly between the mounting panel, the connecting plate is equipped with the logical unthreaded hole.
Furthermore, the supporting frame is of an integrated structure, and the light through holes are formed in the plane of the column body of the supporting frame.
In the technical scheme, the carbon fiber composite telescope provided by the invention has the beneficial effects that:
1. according to the carbon fiber composite material telescope, the carbon fiber material is adopted by the main reflecting mirror, the main mirror supporting mandrel, the main mirror supporting back plate, the lens barrel and the supporting device, and the carbon fiber material is adopted by the reflecting mirror, the reflecting mirror supporting mandrel, the eyepiece connecting cylinder and the telescope mounting mechanism, so that the light weight and the high thermal stability are realized;
2. the main reflecting mirror and the main mirror supporting mandrel and the turn-back mirror supporting mandrel are fixedly connected in a gluing mode, so that a complex mechanical connection mode is avoided, the self weight of the telescope is further reduced, the structure is simple, and the thermal stability of the system is ensured;
3. the support frame designed by the invention adopts a cylindrical column body at least provided with three edges, the column body comprises a mounting plate and a connecting plate, the mounting plate and the connecting plate are fixedly connected through gluing or bolts, and the mounting plate and the connecting plate adopt a split structure, so that the columns with different edges can be randomly spliced, and the structure is simple and convenient to manufacture;
4. the support frame designed by the invention is an integrated polygonal cylindrical column, and is formed in one step by a die, so that the overall structural strength and rigidity of the support frame are improved, and the structural stability is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a cross-sectional view of a carbon fiber composite telescope as disclosed in the present invention;
FIG. 2 is a perspective view of a carbon fiber composite telescope according to the present disclosure;
FIG. 3 is a schematic structural diagram of a trilateral support frame of a carbon fiber composite telescope disclosed by the invention;
FIG. 4 is a schematic structural diagram of a quadrilateral support frame of a carbon fiber composite telescope, which is disclosed by the invention;
FIG. 5 is a schematic structural diagram of a hexagonal support frame of a carbon fiber composite telescope disclosed by the invention;
FIG. 6 is a schematic structural diagram of an octagonal support frame of a carbon fiber composite telescope disclosed by the invention;
FIG. 7 is a schematic structural diagram of a nonagon support frame of a carbon fiber composite telescope disclosed by the invention;
FIG. 8 is a schematic structural diagram of a dodecagon support frame of a carbon fiber composite telescope disclosed by the invention.
Description of reference numerals:
1. a primary retroreflector; 2. a primary mirror support spindle; 3. a primary mirror support backplate; 4. a lens barrel; 5. a support frame; 6. a support rib plate; 7. a fold-back mirror; 8. a fold-back mirror support mandrel; 9. an eyepiece connecting cylinder; 10. an eyepiece assembly; 11. a telescope mounting mechanism;
501. mounting a plate; 502. a connecting plate; 503. and a light through hole.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in FIGS. 1-2;
the invention relates to a carbon fiber composite telescope, which comprises: the main reflecting mirror 1 is fixedly connected to the center of a main mirror support back plate 3 through a main mirror support mandrel 2;
the turning mirror 7 is fixedly connected to one end of the supporting device through a turning mirror supporting mandrel 8, and the supporting device is fixedly connected with an eyepiece assembly 10 through an eyepiece connecting cylinder 9;
one end of the lens cone 4 is fixedly connected with the main mirror supporting back plate 3, the other end of the lens cone 4 is fixedly connected with the supporting device, and the middle part of the lens cone 4 is fixedly connected with a plurality of mounting mechanisms 11;
the main retroreflector 1, the main mirror support mandrel 2, the main mirror support backboard 3, the lens cone 4, the support device, the folding mirror 7, the folding mirror support mandrel 8, the eyepiece connecting cylinder 9 and the telescope mounting mechanism 11 are all made of carbon fiber materials.
Specifically, in the structure, the main retroreflector 1, the main mirror support mandrel 2, the main mirror support back plate 3, the lens barrel 4, and the support device, the folding mirror 7, the folding mirror support mandrel 8, the eyepiece connecting cylinder 9, and the telescope mounting mechanism 11 all adopt carbon fiber materials, the carbon fiber is a novel fiber material of high-strength and high-modulus fiber with a carbon content of more than 95%, the novel fiber material is formed by stacking organic fibers such as flake graphite microcrystals along the fiber axial direction, and the microcrystalline graphite material obtained by carbonization and graphitization treatment has high axial strength and modulus, low density, high specific performance, no creep deformation, ultra-high temperature resistance in a non-oxidation environment, good fatigue resistance, low thermal expansion coefficient and anisotropy, the specific heat and conductivity are between nonmetal and metal, and the main retroreflector 1, the main mirror support mandrel 2, and the support device except the eyepiece component 10 in the embodiment, The main mirror support back plate 3, the lens cone 4 and the support device, the foldback mirror 7, the foldback mirror support mandrel 8, the eyepiece connecting cylinder 9 and the telescope mounting mechanism 11 are all made of carbon fiber materials, the weight of the telescope is reduced on the whole, in addition, the main foldback mirror 1 and the main mirror support mandrel 2, the foldback mirror 7 and the foldback mirror support mandrel 8 are all made of the same material, the thermal expansion coefficients are consistent, the overall thermal stability of the telescope is improved, the main foldback mirror 1 is fixedly connected with the main mirror support mandrel 2 through glue joint, the foldback mirror 7 is fixedly connected with the foldback mirror support mandrel 8 through glue joint, the complicated mechanical connection mode is reduced, the weight reduction is facilitated, and the structure is simple;
the lens cone 4 is of a cylinder structure, the middle part of the outer wall of the cylinder is fixedly connected with a plurality of telescope mounting mechanisms 11, the mounting mechanisms 11 are provided with mounting holes, and the lens cone 4 is fixedly mounted on the telescope support frame through the mounting holes.
Preferably, the main mirror support mandrel 2 is a hollow cylinder structure into which the light path can be introduced, one end of the main mirror support mandrel 2 is fixedly connected with the main reflecting mirror 1 through gluing, and the other end of the main mirror support mandrel 2 is fixedly connected with the main mirror support back plate 3 through a bolt.
Specifically, have the main retroreflective mirror of adjustment 1 and the coaxial gasket of lens cone 4 between main mirror support dabber 2 and the main mirror support backplate 3 in this structure, 2 one end of main mirror support dabber links firmly with main retroreflective mirror 1 through gluing, has avoided adopting complicated connected mode through the connected mode of gluing, makes the structure simpler.
Preferably, the main mirror support back plate 3 is a circular plate-shaped structure, a shaft hole through which the main mirror support spindle 2 can pass is formed in the center of the main mirror support back plate 3, and metal embedded parts in bolted connection with the main mirror support spindle 2 are uniformly distributed and embedded around the shaft hole.
Specifically, the main mirror support backplate 3 is circular platelike structure in this structure for bear main mirror support dabber 2 and main retroreflective mirror 1, and 3 center departments of main mirror support backplate are equipped with the shaft hole that main mirror support dabber 2 can pass through, and the equipartition around the shaft hole, inlay and be equipped with the metal built-in fitting with 2 bolted connection of main mirror support dabber, and the metal built-in fitting is equipped with screw hole and bolted connection, 3 edges of main mirror support backplate with lens cone 4 links firmly through bolt or the mode of splicing.
Preferably, the support means comprises a support frame 5 and support rib members;
the supporting frame 5 is a cylindrical column body with at least three sides, one end of the supporting frame 5 is fixedly connected with the lens cone 4, a light through hole 503 capable of transmitting light paths is formed in the cylinder body at the connecting end of the supporting frame 5 and the lens cone 4, and the eyepiece connecting cylinder 9 is fixedly connected to the light through hole 503;
the supporting rib part is fixedly connected with the connecting end of the supporting frame 5 far away from the lens cone 4, and the center of the supporting rib part is fixedly connected with a turning mirror supporting core shaft 8.
As shown in fig. 2;
preferably, the supporting frame 5 is a split structure, the supporting frame 5 is provided with two mounting plates 501, a plurality of connecting plates 502 are fixedly connected between the two mounting plates 501, and the connecting plates 502 are provided with light through holes 503.
Preferably, the supporting rib component comprises a first cylinder, a second cylinder and a supporting rib plate 6, the second cylinder is sleeved outside the first cylinder, the supporting rib plate 6 is fixedly connected between the first cylinder and the second cylinder, the first cylinder is fixedly connected with the turning mirror supporting mandrel 8, and one end, close to the second cylinder, of the supporting rib plate 6 is fixedly connected with the supporting frame 5.
Specifically, the supporting frame 5 in the structure is a cylindrical column body with at least three sides, the column body is a split structure, mounting plates 501 which are in the same shape as the column body are arranged at two ends of the column body, the column body is formed by splicing connecting plates 502, the number of the connecting plates 502 is the same as the number of the sides of the column body, limiting grooves for mounting supporting rib components are arranged on the connecting plates 502, the mounting plates 501 and the connecting plates 502 are fixedly connected through gluing or bolts, the connecting plates 502 are provided with light through holes 503 for mounting eyepiece connecting cylinders 9, the eyepiece connecting cylinders 9 are fixedly connected with an eyepiece assembly 10, the mounting plates 501 of the supporting frame 5 on the sides of the light through holes 503 are fixedly connected with the lens cone 4, the mounting plates 501 and the connecting plates 502 are in split structures, the column bodies with different;
the support rib part is fixedly connected to the support frame 5 and far away from the end connected with the lens cone 4, the support rib part comprises a first cylinder, a second cylinder and support rib plates 6, the second cylinder is sleeved outside the first cylinder, at least three support rib plates 6 are fixedly connected between the first cylinder and the second cylinder, the first cylinder is fixedly connected with a turn-back mirror support mandrel 8 through bolts, each bolt is provided with a gasket, the turn-back mirror support mandrel 8 and the gaskets are fixedly connected onto the first cylinder through the bolts, the angle of a turn-back mirror 7 fixedly connected to one end of the turn-back mirror support mandrel 8 is adjusted by changing the thickness of the gaskets, one end of each support rib plate 6 close to the second cylinder is clamped with a limiting groove of the connecting plate 502 and fixedly connected through gluing or bolts, the structure is simple, and the manufacture is convenient;
the turning mirror support mandrel 8 is far away from the cylinder connecting end glued turning mirror 7, the turning mirror 7 is arranged under the light through hole 503, a light path enters from the main turning mirror 1 and changes a path through the turning mirror 7 and is transmitted to the eyepiece assembly 10 from the light through hole 503, a user observes a distant object through the eyepiece assembly 10, the eyepiece assembly 10 adopts a standard telescope eyepiece, such as a wide-angle type, a Kinese type, an anti-distortion type, a symmetrical type, a Kennel type and a Rendsten type, the turning mirror support mandrel 8 is fixedly connected with the turning mirror 7 through gluing, the adoption of a complex connecting mode is avoided through the gluing connecting mode, and the structure is simpler.
As shown in fig. 3-8;
preferably, the supporting frame 5 is an integrated structure, and the plane of the column body of the supporting frame 5 is provided with a light through hole 503;
specifically, braced frame 5 formula polygon tube-shape cylinder as an organic whole in this structure, the carbon fiber passes through mould one shot forming, has improved braced frame 5 overall structure intensity and rigidity, makes the structure more stable.
In the technical scheme, the carbon fiber composite telescope provided by the invention has the beneficial effects that:
1. according to the carbon fiber composite material telescope, the carbon fiber materials are adopted by the main reflecting mirror, the main mirror supporting mandrel, the main mirror supporting back plate, the lens barrel and the supporting device, and the carbon fiber materials are adopted by the reflecting mirror, the reflecting mirror supporting mandrel, the eyepiece connecting cylinder and the telescope mounting mechanism, so that the characteristics of light weight, high thermal stability and simple structure are realized;
2. the main reflecting mirror and the main mirror supporting mandrel and the turn-back mirror supporting mandrel are fixedly connected in a gluing mode, so that a complex mechanical connection mode is avoided, the self weight of the telescope is further reduced, the structure is simple, and the thermal stability of the system is ensured;
3. the support frame designed by the invention adopts a cylindrical column body at least provided with three edges, the column body comprises a mounting plate and a connecting plate, the mounting plate and the connecting plate are fixedly connected through gluing or bolts, and the mounting plate and the connecting plate adopt a split structure, so that the columns with different edges can be randomly spliced, and the structure is simple and convenient to manufacture;
4. the support frame designed by the invention is an integrated polygonal cylindrical column, and is formed in one step by a die, so that the overall structural strength and rigidity of the support frame are improved, and the structural stability is improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. A carbon fiber composite telescope is characterized by comprising
The main reflecting mirror (1) is fixedly connected to the central position of the main mirror support back plate (3) through a main mirror support mandrel (2);
the foldable mirror (7) is fixedly connected to one end of the supporting device through a foldable mirror supporting mandrel (8), and the supporting device is fixedly connected with an eyepiece assembly (10) through an eyepiece connecting cylinder (9);
one end of the lens cone (4) is fixedly connected with the main mirror supporting back plate (3), the other end of the lens cone (4) is fixedly connected with the supporting device, and the middle of the lens cone (4) is fixedly connected with a plurality of mounting mechanisms (11);
the main retroreflector (1), the main mirror supporting mandrel (2), the main mirror supporting back plate (3), the lens barrel (4), the supporting device, the folding mirror (7), the folding mirror supporting mandrel (8), the eyepiece connecting cylinder (9) and the telescope mounting mechanism (11) are all made of carbon fiber materials;
the main reflecting mirror (1) is fixedly connected with the main mirror supporting mandrel (2) through gluing, and the turning mirror (7) is fixedly connected with the turning mirror supporting mandrel (8) through gluing.
2. The telescope with carbon fiber composite materials as claimed in claim 1, wherein the primary mirror support mandrel (2) is a hollow cylinder structure into which the light path can be introduced, one end of the primary mirror support mandrel (2) is fixedly connected with the primary retroreflector (1) through gluing, and the other end of the primary mirror support mandrel (2) is fixedly connected with the primary mirror support back plate (3) through a bolt.
3. The carbon fiber composite telescope according to claim 1, wherein a shaft hole through which the primary mirror support spindle (2) can pass is formed in the center of the primary mirror support back plate (3), and metal embedded parts in bolted connection with the primary mirror support spindle (2) are uniformly distributed and embedded around the shaft hole.
4. The carbon fiber composite telescope according to claim 1, wherein the support means comprises a support frame (5) and support rib members;
the supporting frame (5) is a cylindrical cylinder with at least three sides, one end of the supporting frame (5) is fixedly connected with the lens cone (4), a light through hole (503) capable of transmitting light paths is formed in a cylinder body at the connecting end of the supporting frame (5) and the lens cone (4), and the eyepiece connecting cylinder (9) is fixedly connected to the light through hole (503);
the support rib part is fixedly connected to the support frame (5) and far away from the connecting end of the lens cone (4), and the center of the support rib part is fixedly connected with the fold-back lens support core shaft (8).
5. The carbon fiber composite telescope according to claim 4, wherein the support rib member comprises a first cylinder, a second cylinder and support ribs (6), the second cylinder is sleeved outside the first cylinder, the support ribs (6) are fixedly connected between the first cylinder and the second cylinder, the first cylinder is fixedly connected with the turning mirror support mandrel (8), and one end of each support rib (6) close to the second cylinder is fixedly connected with the support frame (5).
6. The carbon fiber composite telescope according to claim 4, wherein the support frame (5) is a split structure, the support frame (5) is provided with two mounting plates (501), a plurality of connecting plates (502) are fixedly connected between the two mounting plates (501), and the connecting plates (502) are provided with the light through holes (503).
7. The carbon fiber composite telescope according to claim 4, wherein the support frame (5) is a one-piece structure, and the light passing hole (503) is formed in the cylindrical plane of the support frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811151115.5A CN109164568B (en) | 2018-09-29 | 2018-09-29 | Carbon fiber composite telescope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811151115.5A CN109164568B (en) | 2018-09-29 | 2018-09-29 | Carbon fiber composite telescope |
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| CN109164568A CN109164568A (en) | 2019-01-08 |
| CN109164568B true CN109164568B (en) | 2020-05-15 |
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| CN109889277B (en) * | 2019-01-25 | 2021-09-21 | 中国科学院光电技术研究所 | Light and small athermalized optical system of quantum communication ground station telescope |
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| CN104267479A (en) * | 2014-09-22 | 2015-01-07 | 中国科学院西安光学精密机械研究所 | Space camera secondary mirror support structure |
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| CN107037566A (en) * | 2017-05-24 | 2017-08-11 | 北京空间机电研究所 | A kind of segmented secondary mirror high stability supporting construction |
| CN207198430U (en) * | 2017-10-09 | 2018-04-06 | 苏州市光生环境科技有限公司 | A kind of lens barrel quick connection structure of air infrared detection equipment |
| CN108241198A (en) * | 2018-02-07 | 2018-07-03 | 中国科学院光电研究院 | The main secondary mirror supporting structure of coaxial spaces camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267479A (en) * | 2014-09-22 | 2015-01-07 | 中国科学院西安光学精密机械研究所 | Space camera secondary mirror support structure |
| CN104570265A (en) * | 2014-12-18 | 2015-04-29 | 中国科学院西安光学精密机械研究所 | Lightweight, simplified, high-stability and coaxial camera primary and secondary lens assembly and mounting method |
| CN107037566A (en) * | 2017-05-24 | 2017-08-11 | 北京空间机电研究所 | A kind of segmented secondary mirror high stability supporting construction |
| CN207198430U (en) * | 2017-10-09 | 2018-04-06 | 苏州市光生环境科技有限公司 | A kind of lens barrel quick connection structure of air infrared detection equipment |
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Effective date of registration: 20210610 Address after: 226500 No.188, Keji Road, Rucheng street, Rugao City, Nantong City, Jiangsu Province Patentee after: Nantong Changguang Xingchen Photoelectric Technology Co.,Ltd. Address before: 130033, 3888 southeast Lake Road, Jilin, Changchun Patentee before: Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences |
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