CN210781071U - Reliable and easily integrated airborne CCD image-eliminating rotation device - Google Patents

Reliable and easily integrated airborne CCD image-eliminating rotation device Download PDF

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Publication number
CN210781071U
CN210781071U CN201921656665.2U CN201921656665U CN210781071U CN 210781071 U CN210781071 U CN 210781071U CN 201921656665 U CN201921656665 U CN 201921656665U CN 210781071 U CN210781071 U CN 210781071U
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shell
ccd
focal plane
circuit board
bearing
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李晓辉
徐亮
康晓鹏
刘勇
刘峰
李朝辉
午建军
张玺斌
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XiAn Institute of Optics and Precision Mechanics of CAS
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XiAn Institute of Optics and Precision Mechanics of CAS
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Abstract

The utility model relates to a reliable and easy integrated machine carries CCD to disappear image soon and puts. The problem of the reliability that exists among the prior art poor, be difficult to assemble with ray apparatus system is solved in the aim at. The utility model comprises a CCD shell, wherein a first through hole is arranged on the front surface of the CCD shell, the CCD shell is fixedly arranged on an optical system, and the first through hole corresponds to an optical lens of the optical system; a servo motor is arranged on the outer wall of the side surface of the CCD shell; an output shaft of the servo motor is fixedly connected with the pinion; the small gear is meshed with the big gear; the large gear is coaxially and fixedly connected with the cylindrical focal plane shell, and the cylindrical focal plane shell penetrates through the back of the CCD shell and is connected with the inner wall of the CCD shell through a bearing assembly; a CCD photosensitive chip and a focal plane small circuit board are arranged in the cylindrical focal plane shell, and the physical center of the photosensitive plane of the CCD photosensitive chip corresponds to the optical axis of the optical lens; the focal plane small circuit board is electrically connected with the CCD photosensitive chip; the back of the big gear wheel is provided with a large focal plane circuit board which is electrically connected with the servo motor, the small focal plane circuit board and the optical system.

Description

Reliable and easily integrated airborne CCD image-eliminating rotation device
Technical Field
The utility model relates to an image despinning system, concretely relates to reliable and easily integrated machine carries CCD device of becoming image rotating.
Background
In an airborne optoelectronic system, a gyro-stabilized platform is usually adopted to isolate the vibration of an airborne machine, and the rotation of each frame of the platform is utilized to complete the tracking of a target. During the stabilization and tracking process of the system, the rotation of the platform frame inevitably causes the optical system and the imaging device to move relative to the carrier, thereby causing the rotation of the television imaging picture. Since the pilot seat is rigidly attached to the aircraft, this amount of rotation will affect the pilot's view and operation and even cause false positives. In order to eliminate the rotation of the image, a compensation system for the image rotation, namely an image despinning system, needs to be added, so that the despinning device is very important for an onboard optoelectronic system.
The existing coreless motor type mechanical despin device is not easy to integrate with a system generally, and has higher assembly requirements. Particularly, after the hollow cup motor is used for a long time, carbon deposition is easily generated on the inner ring of the rotor and the outer ring of the stator of the hollow cup motor, the reliability of the product is reduced, the rotating torque of the hollow cup motor is increased, great difficulty is brought to control controllability, and the reliability and the service life of the product are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reliable and easily integrated machine carries CCD to take a photograph of like a picture soon device in order to solve the reliability difference that exists among the prior art, be difficult to the problem of assembly with ray apparatus system.
The utility model discloses a device is revolved in image elimination easily integrated assembly, because the assembly process of TV, the CCD subassembly is integrated generally after the ray apparatus subassembly is integrated, consequently, entire system design error and assembly error can all accumulate in the integration of CCD subassembly, so CCD image elimination revolves the subassembly and prefers from becoming a module, does benefit to later stage entire system's integration. The airborne CCD image eliminating device based on the design is based on the idea of forming a module by itself, embodies easy integration and is beneficial to the batch assembly friendliness of the following televisions.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model discloses a reliable and easily integrated machine carries CCD rotation of image elimination device, its special character lies in: the device comprises a CCD shell, a servo motor, a pinion, a bull gear, a cylindrical focal plane shell, a CCD photosensitive chip, a focal plane small circuit board and a focal plane large circuit board;
the front surface of the CCD shell is provided with a first through hole, the CCD shell is fixedly arranged on the optical system, and the first through hole corresponds to an optical lens of the optical system;
the servo motor is arranged on the outer wall of the side face of the CCD shell;
the pinion is fixedly connected with an output shaft of the servo motor;
the large gear is coaxially and fixedly connected with the cylindrical focal plane shell, and the large gear is meshed with the small gear;
the cylindrical focal plane shell penetrates through the back surface of the CCD shell and is connected with the inner wall of the CCD shell through a bearing assembly;
the CCD photosensitive chip is arranged in the cylindrical focal plane shell, and the physical center of a photosensitive surface of the CCD photosensitive chip corresponds to the optical axis of the optical lens;
the focal plane small circuit board is arranged in the cylindrical focal plane shell and is electrically connected with the CCD photosensitive chip;
the large focal plane circuit board is fixedly arranged on the back of the large gear and is electrically connected with the servo motor, the small focal plane circuit board and the optical system.
Furthermore, the bearing assembly comprises a first bearing, a bearing spacer ring and a second bearing which are sequentially sleeved on the cylindrical focal plane shell side by side along the direction from the back surface to the front surface of the CCD shell;
and the outer rings of the first bearing and the second bearing are fixedly connected with the inner wall of the CCD shell, and the inner ring of the first bearing and the second bearing are fixedly connected with the outer wall of the cylindrical focal plane shell.
Further, the device also comprises an installation cylinder;
the installation cylinder is sleeved on the outer wall of the cylindrical focal plane shell, one end of the installation cylinder penetrates through the back face of the CCD shell and then is tightly attached to the end face of the inner ring of the first bearing, and the other end of the installation cylinder is fixedly connected with the center of the large gear.
Further, the CCD shell comprises a shell cover and a shell body;
at least three connecting lugs are uniformly arranged on the periphery of the front surface of the shell body, a long hole is formed in the middle of each connecting lug, and the shell body can be fixedly connected with the optical system by penetrating a screw through the long hole;
the shell cover is arranged on the back surface of the shell body, a second through hole is formed in the shell cover, the cylindrical coke surface shell and the mounting cylinder are inserted into the second through hole in a penetrating manner, and the mounting cylinder is in clearance fit with the second through hole; a first annular bulge is arranged in the shell cover, and the top end of the first annular bulge is tightly attached to the end face of the outer ring of the first bearing.
Furthermore, a second annular bulge is arranged on the inner wall of one end, close to the front face of the shell body, of the cylindrical focal plane shell;
the small coke surface circuit board is provided with a reinforcing ring plate and a hexagon screw, and the hexagon screw sequentially penetrates through the small coke surface circuit board and the reinforcing ring plate and then is in threaded connection with the second annular bulge;
a focal plane trimming gasket is arranged between the reinforcing ring plate and the second annular bulge;
the photosensitive surface of the CCD photosensitive chip is positioned between the focal plane small circuit board and the shell body and is fixedly connected with the focal plane small circuit board.
Further, a circular groove is formed in the inner wall of the front face of the shell body;
a third annular bulge is arranged on the outer wall of one end, close to the front side of the shell body, of the cylindrical focal plane shell;
the third annular bulge is matched with the circular groove and is tightly attached to the end face of the inner ring of the second bearing;
and the end surface of the outer ring of the second bearing is tightly attached to the inner wall of the front surface of the shell body.
Furthermore, a protection plate is arranged on the back surface of the focal plane large circuit board;
the protection plate is fixedly connected with the large focal plane circuit board, and a wire outlet hole is formed in the center of the protection plate.
Furthermore, at least two support columns are arranged on the periphery of the protection plate;
the supporting column sequentially penetrates through the protection plate, the focal plane large circuit board and the large gear, and two ends of the supporting column are respectively in threaded connection with the protection plate and the large gear; and focal plane circuit board gaskets are arranged between the protection plate and the focal plane large circuit board and between the focal plane large circuit board and the bull gear, and are sleeved on the support columns.
Further, the first bearing and the second bearing are both high-precision thin-walled bearings.
The utility model has the advantages that:
1. the utility model forms a module, which is beneficial to the integration of the optical machine system and reduces the difficulty of the integration of the optical machine and the CCD component; and the optical lens is arranged on the front surface of the CCD shell, so that the replacement is easy and the product is reliable. The utility model discloses still solved a series of problems that the carbon deposit of coreless motor arouses, improved the TV reliability.
2. The utility model discloses a servo motor drive gear transmission, the drive ratio is accurate, and simple structure is reliable.
3. The utility model discloses set up the bearing space ring in the middle of first bearing and second bearing, can reduce the radial play and the axial play of first bearing and second bearing through repairing and cutting the bearing space ring.
4. The utility model discloses be provided with installation section of thick bamboo, first annular arch, the annular arch of third and the positive inner wall of CCD casing and hug closely with first bearing and second bearing inside and outside wall respectively, prevent first bearing and second bearing axial float.
5. The back of the coke-surface large circuit board of the utility model is provided with the protective plate, the center of the protective plate is provided with the wire hole, all wires required by electric connection can be led out from the wire hole, the connecting wire on the coke-surface large circuit board is prevented from being wound, and the coke-surface large circuit board is protected at the same time; is clean and safe.
6. The utility model discloses on being fixed in the photosurface of CCD sensitization chip the burnt face little circuit board, burnt face little circuit board is again repaiied through the focal plane of hexagonal screw suit and is cut packing ring and the annular arch of second and be connected, consequently, when the photosurface of adjustment CCD sensitization chip, only need the adjustment focal plane to repair and cut the packing ring can.
7. The utility model discloses a be provided with the engaging lug on the shell body, set up rectangular hole in the engaging lug, the downthehole screw that sets up of rectangular, the shell body passes through screw and optical lens butt joint, consequently, the mounted position of shell body is adjusted in the rectangular hole of accessible, makes it correspond with optical lens.
8. The utility model discloses a first bearing and second bearing all adopt high accuracy thin wall bearing to save the space, do benefit to the miniaturization of TV.
Drawings
Fig. 1 is a schematic structural diagram of an onboard CCD stigmator of the present invention, which is reliable and easy to integrate;
FIG. 2 is a side sectional view of the onboard CCD stigmator of the present invention;
FIG. 3 is a side cross-sectional view of the middle cylindrical coke face shell of the present invention;
fig. 4 is a side sectional view of the housing cover of the present invention.
In the figure, 1-CCD shell, 11-first bearing, 12-bearing spacer, 13-second bearing, 14-shell cover, 141-first annular bulge, 15-shell body and 151-connecting lug;
2-servo motor, 3-pinion, 4-bull gear, 5-cylindrical focal plane shell, 51-second annular bulge and 52-third annular bulge;
6-CCD photosensitive chip, 7-focal plane small circuit board, 71-hexagon screw, 72-reinforced ring plate and 73-focal plane trimming washer;
8-focal plane large circuit board, 81-protective plate, 811-wire outlet hole, 82-support column, 83-focal plane circuit board gasket; 10-mounting the cylinder.
Detailed Description
To make the objects, advantages and features of the present invention clearer, the present invention provides a reliable and easy-to-integrate airborne CCD image-capturing device, which is described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following detailed description. It should be noted that: the drawings are in a very simplified form and are not to precise scale, and are provided solely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention; second, the structures shown in the drawings are often part of actual structures.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The present embodiment of a reliable and easily integrated onboard CCD image rotation eliminating device, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, includes a CCD case 1, where the CCD case 1 includes a case cover 14 and a case body 15; four connecting lugs 151 are uniformly arranged on the periphery of the front surface of the shell body 15, a strip hole is formed in the middle of each connecting lug 151, and a screw is arranged in each strip hole; the front surface of the housing body 15 is in butt joint with an optical lens of the optical system through screws. The provision of the attachment lugs makes the present embodiment easy to integrate.
The shell body 15 is provided with a first through hole, and the first through hole corresponds to an optical lens of the optical system;
a servo motor 2 is arranged on the outer wall of the side surface of the shell body 15, a pinion 3 is arranged on an output shaft of the servo motor 2, the pinion 3 is meshed with a gearwheel 4, the gearwheel 4 is coaxially and fixedly connected with a cylindrical focal plane shell 5, and the cylindrical focal plane shell 5 penetrates through a shell cover 14 and then is connected with the inner wall of the CCD shell 1 through a bearing assembly; the bearing assembly comprises a first bearing 11, a bearing spacer ring 12 and a second bearing 13 which are sequentially arranged side by side along the direction from the back face to the front face of the CCD shell 1, the outer rings of the first bearing 11 and the second bearing 13 are fixedly connected with the inner wall of the CCD shell 1, and the inner rings of the first bearing 11 and the second bearing 13 are fixedly connected with the outer wall of the cylindrical focal plane shell 5. The first bearing 11 and the second bearing 13 are both high-precision thin-walled bearings. Because the inner ring and the outer ring of the bearing have height difference, the height difference can generate pretightening force, and when the pretightening force is small, the axial clearance and the radial clearance of the bearing can be increased, therefore, the bearing spacer ring 12 is arranged between the first bearing 11 and the second bearing 13, and the axial clearance and the radial clearance of the first bearing 11 and the second bearing 13 can be reduced by grinding the bearing spacer ring 12.
An installation cylinder 10 is sleeved on the outer wall of the cylindrical coke surface shell 5, one end of the installation cylinder 10 is fixedly connected with the center of the large gear 4, and the other end of the installation cylinder 10 is tightly attached to the end face of the inner ring of the first bearing 11. The mounting cylinder 10 and the gearwheel 4 are of an integral structure, so that on one hand, the gearwheel 4 and the cylindrical focal plane shell 5 are fixed and compared, and on the other hand, the bearing assembly is prevented from moving axially.
A focal plane small circuit board 7 and a CCD photosensitive chip 6 are arranged in the cylindrical focal plane shell 5, and the physical center of the photosensitive plane of the CCD photosensitive chip 6 corresponds to the optical axis of the optical lens; the CCD photosensitive chip 6 is electrically connected with the focal plane small circuit board 7; a second annular bulge 51 is arranged on the inner wall of one end of the cylindrical focal plane shell 5 close to the front surface of the shell body 15; the small focal plane circuit board 7 is provided with a reinforcing ring plate 72 and a hexagon screw 71, and the hexagon screw 71 sequentially penetrates through the small focal plane circuit board 7 and the reinforcing ring plate 72 and then is in threaded connection with the second annular bulge 51; a focal plane trimming washer 73 is arranged between the reinforcing ring plate 72 and the second annular protrusion 51; therefore, the physical center of the light sensing surface of the CCD light sensing chip 6 corresponds to the optical axis of the optical lens through the trimming focal surface trimming gasket 72 and the adjusting hexagon screw 71; the photosensitive surface of the CCD photosensitive chip 6 is positioned between the focal plane small circuit board 7 and the shell body 15 and is fixedly connected with the focal plane small circuit board 7.
The shell cover 14 covers the back of the shell body 15, a second through hole is formed in the shell cover 14, the cylindrical coke-side shell 5 and the mounting cylinder 10 are inserted into the through hole in a penetrating manner, and the mounting cylinder 10 is rotatably connected with the through hole; the focal plane large circuit board 8 is fixedly arranged on the back of the large gear 4 and is electrically connected with the servo motor 2, the focal plane small circuit board 7 and the optical system.
Therefore, when the optical system rotates at an angle, the rotation angle information is transmitted to the control part of the large focal plane circuit board 8, the servo motor 2 is started after the large focal plane circuit board 8 is resolved, and the servo motor 2 sequentially drives the pinion 3, the bull gear 4, the cylindrical focal plane shell 5, the CCD photosensitive chip 6 and the small focal plane circuit board 7 to rotate reversely by corresponding angles to despin; at the moment, the CCD photosensitive chip 6 transmits the acquired optical information after despinning to the small focal plane circuit board 7, the small focal plane circuit board 7 converts the optical signal into an electric signal and then transmits the electric signal to the image processing part of the large focal plane circuit board 8, and the large focal plane circuit board 8 performs image processing and then transmits the electric signal to the display screen for the pilot to watch, so that the trouble that the pilot misjudges due to the rotation of the image is eliminated.
When the CCD photosensitive chip 6 collects the information of the change of the rotation angle, the collected optical signal focal plane large circuit board 8 is subjected to image processing on one hand, and on the other hand, the servo motor 2 is controlled to be started, and the servo motor 2 rotates in the opposite direction of the rotation angle to sequentially drive the pinion 3, the large gear 4, the cylindrical focal plane shell 5, the CCD photosensitive chip 6 and the focal plane small circuit board 7 to rotate by corresponding angles for despinning.
The housing cover 14 is provided with a first annular protrusion 141 inside, and the top end of the first annular protrusion 141 is closely attached to the outer ring end face of the first bearing 11 to prevent the bearing assembly from moving axially. A circular groove is formed in the inner wall of the front face of the shell body 15; a third annular bulge 52 is arranged on the outer wall of one end of the cylindrical coke surface shell 5 close to the front surface of the shell body 15; the third annular bulge 52 is matched with the circular groove and is tightly attached to the end face of the inner ring of the second bearing 13; the outer ring end surface of the second bearing 13 is closely attached to the inner wall of the front surface of the housing body 15. The bearing assembly is fixed in position and errors are reduced by the close fit in four directions of the bearing assembly. The cooperation of the third annular protrusion 52 and the circular groove makes the rotation direction of the cylindrical focal plane shell 5 stable and reliable.
A protection plate 81 is arranged on the back surface of the focal plane large circuit board 8; the protective plate 81 is fixedly connected with the focal plane large circuit board 8, and the center of the protective plate 81 is provided with a wire outlet hole 811. At least two supporting columns 82 are arranged on the periphery of the protecting plate 81; the supporting column 82 sequentially penetrates through the protection plate 81, the focal plane large circuit board 8 and the large gear 4, and two ends of the supporting column 82 are respectively in threaded connection with the protection plate 81 and the large gear 4; and focal plane circuit board gaskets 83 are arranged between the protective plate 81 and the focal plane large circuit board 8 and between the focal plane large circuit board 8 and the bull gear 4, and the focal plane circuit board gaskets 83 are sleeved on the supporting columns 82. Therefore, all wires can penetrate into the wire outlet hole 811, the whole body is beautiful and simple, and the large focal plane circuit board 8 can be protected through the protection plate.

Claims (9)

1. The utility model provides a reliable and easy integrated machine carries CCD rotation eliminating device which characterized in that: the device comprises a CCD shell (1), a servo motor (2), a pinion (3), a bull gear (4), a cylindrical focal plane shell (5), a CCD photosensitive chip (6), a focal plane small circuit board (7) and a focal plane large circuit board (8);
the front surface of the CCD shell (1) is provided with a first through hole, the CCD shell (1) is fixedly arranged on an optical system, and the first through hole corresponds to an optical lens of the optical system;
the servo motor (2) is arranged on the outer wall of the side face of the CCD shell (1);
the pinion (3) is fixedly connected with an output shaft of the servo motor (2);
the large gear (4) is coaxially and fixedly connected with the cylindrical focal plane shell (5), and the large gear (4) is meshed with the small gear (3);
the cylindrical focal plane shell (5) penetrates through the back surface of the CCD shell (1) and is connected with the inner wall of the CCD shell (1) through a bearing assembly;
the CCD photosensitive chip (6) is arranged in the cylindrical focal plane shell (5), and the physical center of a photosensitive plane of the CCD photosensitive chip (6) corresponds to the optical axis of the optical lens;
the focal plane small circuit board (7) is arranged in the cylindrical focal plane shell (5) and is electrically connected with the CCD photosensitive chip (6);
the focal plane large circuit board (8) is fixedly arranged on the back of the large gear (4) and is electrically connected with the servo motor (2), the focal plane small circuit board (7) and the optical system.
2. A reliable and easily integrated on-board CCD derotation device according to claim 1, characterized in that: the bearing assembly comprises a first bearing (11), a bearing spacer ring (12) and a second bearing (13), which are sequentially sleeved on the cylindrical focal plane shell (5) side by side along the direction from the back surface to the front surface of the CCD shell (1);
and the outer rings of the first bearing (11) and the second bearing (13) are fixedly connected with the inner wall of the CCD shell (1), and the inner rings are fixedly connected with the outer wall of the cylindrical focal plane shell (5).
3. A reliable and easily integrated on-board CCD derotation device according to claim 1 or 2, characterized in that: also comprises a mounting cylinder (10);
the installation cylinder (10) is sleeved on the outer wall of the cylindrical focal plane shell (5), one end of the installation cylinder (10) penetrates through the back of the CCD shell (1) and then is tightly attached to the end face of the inner ring of the first bearing (11), and the other end of the installation cylinder is fixedly connected with the center of the large gear (4).
4. A reliable and easily integrated on-board CCD derotation device according to claim 3, characterized in that: the CCD shell (1) comprises a shell cover (14) and a shell body (15);
at least three connecting lugs (151) are uniformly arranged on the periphery of the front surface of the shell body (15), a long hole is formed in the middle of each connecting lug, and the shell body (15) can be fixedly connected with the optical system by penetrating a screw through the long hole;
the shell cover (14) is installed on the back of the shell body (15), a second through hole is formed in the shell cover (14), the cylindrical coke face shell (5) and the installation cylinder (10) are inserted into the second through hole in a penetrating mode, and the installation cylinder (10) is in clearance fit with the second through hole; a first annular bulge (141) is arranged in the shell cover (14), and the top end of the first annular bulge (141) is tightly attached to the outer ring end face of the first bearing (11).
5. A reliable and easily integrated on-board CCD derotation device according to claim 4, characterized in that: a second annular bulge (51) is arranged on the inner wall of one end, close to the front surface of the shell body (15), of the cylindrical focal plane shell (5);
the small coke surface circuit board (7) is provided with a reinforcing ring plate (72) and a hexagon screw (71), and the hexagon screw (71) sequentially penetrates through the small coke surface circuit board (7) and the reinforcing ring plate (72) and then is in threaded connection with the second annular bulge (51);
a focal plane trimming gasket (73) is arranged between the reinforcing ring plate (72) and the second annular bulge (51);
and the photosensitive surface of the CCD photosensitive chip (6) is positioned between the focal plane small circuit board (7) and the shell body (15) and is fixedly connected with the focal plane small circuit board (7).
6. A reliable and easily integrated on-board CCD derotation device according to claim 5, characterized in that:
a circular groove is formed in the inner wall of the front face of the shell body (15);
a third annular bulge (52) is arranged on the outer wall of one end, close to the front surface of the shell body (15), of the cylindrical coke-surface shell (5);
the third annular bulge (52) is matched with the circular groove and is tightly attached to the end face of the inner ring of the second bearing (13);
the end face of the outer ring of the second bearing (13) is tightly attached to the inner wall of the front face of the shell body (15).
7. A reliable and easily integrated on-board CCD derotation device according to claim 6, characterized in that: a protection plate (81) is arranged on the back surface of the large focal plane circuit board (8);
the protection plate (81) is fixedly connected with the focal plane large circuit board (8), and a wire outlet hole (811) is formed in the center of the protection plate (81).
8. A reliable and easily integrated on-board CCD derotation device according to claim 7, characterized in that: at least two supporting columns (82) are arranged on the periphery of the protective plate (81);
the supporting column (82) sequentially penetrates through the protection plate (81), the focal plane large circuit board (8) and the large gear (4), and two ends of the supporting column (82) are respectively in threaded connection with the protection plate (81) and the large gear (4); and focal plane circuit board gaskets (83) are arranged between the protective plate (81) and the focal plane large circuit board (8) and between the focal plane large circuit board (8) and the bull gear (4), and the focal plane circuit board gaskets (83) are sleeved on the supporting columns (82).
9. A reliable and easily integrated on-board CCD derotation device according to claim 8, characterized in that: the first bearing (11) and the second bearing (13) are both high-precision thin-wall bearings.
CN201921656665.2U 2019-09-30 2019-09-30 Reliable and easily integrated airborne CCD image-eliminating rotation device Active CN210781071U (en)

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Application Number Priority Date Filing Date Title
CN201921656665.2U CN210781071U (en) 2019-09-30 2019-09-30 Reliable and easily integrated airborne CCD image-eliminating rotation device

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Application Number Priority Date Filing Date Title
CN201921656665.2U CN210781071U (en) 2019-09-30 2019-09-30 Reliable and easily integrated airborne CCD image-eliminating rotation device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110650302A (en) * 2019-09-30 2020-01-03 中国科学院西安光学精密机械研究所 Reliable and easily integrated airborne CCD image-eliminating rotation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110650302A (en) * 2019-09-30 2020-01-03 中国科学院西安光学精密机械研究所 Reliable and easily integrated airborne CCD image-eliminating rotation device

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