CN114355542A - High-precision three-view-field switching device based on elastic pre-tightening - Google Patents
High-precision three-view-field switching device based on elastic pre-tightening Download PDFInfo
- Publication number
- CN114355542A CN114355542A CN202111443494.7A CN202111443494A CN114355542A CN 114355542 A CN114355542 A CN 114355542A CN 202111443494 A CN202111443494 A CN 202111443494A CN 114355542 A CN114355542 A CN 114355542A
- Authority
- CN
- China
- Prior art keywords
- lens
- frame
- tightening
- precision
- switching device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 abstract description 9
- 230000003287 optical effect Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Lens Barrels (AREA)
Abstract
The invention relates to the technical field of optical instruments, aims to solve the problem that a transmission screw rod gap and return difference cannot be eliminated by adopting a motor self-locking mode in the prior art, and provides a high-precision three-view-field switching device based on elastic pre-tightening, which comprises a lens barrel, a fixed lens assembly, a movable lens assembly, a transmission mechanism and a pre-tightening mechanism; the transmission mechanism is used for driving the movable lens component to move and providing an accurate movement position for the movable lens component, the pre-tightening mechanism is arranged between the movable lens components and used for pre-tightening the movable lens component, and the pre-tightening force is adjustable; the invention has the beneficial effects that: the invention adopts the elastic pre-tightening and pre-tightening force adjustable mode, so that the transmission clearance and return difference of the screw rod can be better eliminated, and the imaging quality is improved; the device has compact structure, small volume and light weight, and is convenient for the integration of the design of the common optical path and the common detector at the later stage; the device has high precision, smooth field switching and good imaging quality.
Description
Technical Field
The invention relates to the technical field of optical instruments, in particular to a high-precision three-view-field switching device based on elastic pretension.
Background
The light beam control and tracking equipment (ATP for short) can complete all-weather capture, tracking and aiming of the target and the high-energy laser beam emission focusing control, focus the high-energy laser beam on a far-field target and realize the target striking and destroying. The tracking and aiming subsystem for capturing, tracking and aiming the target adopts a design of a common light path and a common detector (a medium wave refrigeration infrared detector), and the three-view-field switching device is an important component of the tracking and aiming subsystem. Due to the design of the common light path and the common detector, the three-view-field switching device has the requirements of miniaturization, light weight, high precision, convenience in optical adjustment and the like.
After the tracking target is captured by the tracking subsystem, the three-view-field switching device rapidly switches view fields according to different distances of the target, and the target is prevented from being lost.
The visual field switching device comprises a movable lens and a fixed lens, the movable lens needs to move to a specified position according to the position change of a target to complete a zooming function, and meanwhile, the focusing function is completed according to different movement positions of the lenses under different temperatures and other conditions.
In the prior art, a motor self-locking mode is adopted, so that the problems of transmission screw rod gap and return difference cannot be solved, image blurring can be caused, and imaging quality is influenced.
Disclosure of Invention
The invention aims to provide a high-precision three-view-field switching device based on elastic pre-tightening, which solves the problem that in the prior art, a motor self-locking mode is adopted, so that the clearance and return difference of a transmission screw cannot be eliminated, the image is blurred, and the imaging quality is influenced.
The embodiment of the invention is realized by the following steps:
a high-precision three-view-field switching device based on elastic pre-tightening comprises a lens barrel, a fixed lens assembly, a movable lens assembly, a transmission mechanism and a pre-tightening mechanism;
the transmission mechanism is used for driving the movable lens component to move and providing an accurate movement position for the movable lens component, and the pre-tightening mechanism is arranged between the movable lens components and used for pre-tightening the movable lens component, and the pre-tightening force is adjustable.
According to the invention, the movable lens assembly is pre-tightened, and the pre-tightening force is adjustable, so that the movable lens assembly can always have a powerful effect, and the movable lenses are supported, thereby eliminating the transmission gap and return difference of the screw rod and improving the imaging quality.
As a preferred technical scheme:
the movable lens component comprises a third lens, a fourth lens and a fifth lens, each lens is provided with a lens frame and a lens pressing ring, the lenses are fixed in the lens frames through the lens pressing rings, and the lens frames are fixed in the lens cones through the lens frame pressing rings;
the spectacle frame of the third lens and the spectacle frame of the fifth lens are of an integrated structure, namely a third fifth spectacle frame, and the spectacle frame of the fourth lens is a fourth spectacle frame;
one end of the pre-tightening mechanism is connected with the fifth mirror frame, the other end of the pre-tightening mechanism is connected with the fourth mirror frame, and the pre-tightening mechanism elastically pre-tightens the fifth mirror frame and the fourth mirror frame.
The elastic pre-tightening is not a rigid fixing mode, the third fifth mirror frame and the fourth mirror frame are in an elastic pre-tightening mode, the third mirror frame and the fourth mirror frame are under the action of elastic force, the positions of the third mirror frame and the fourth mirror frame can be correspondingly adjusted, and the transmission gap and the return difference of the screw rod can be conveniently eliminated.
As a preferred technical scheme:
the pre-tightening mechanism comprises a spring guide rod, a pre-tightening spring and a pre-tightening nut, the spring guide rod is fastened on the third five picture frame, the pre-tightening spring is sleeved outside the spring guide rod, one end of the pre-tightening spring is fixed on the third five picture frame, one end of the pre-tightening nut is in threaded connection with the fourth picture frame, the other end of the pre-tightening nut is in contact with the pre-tightening spring on the spring guide rod, the pre-tightening spring is in a compression state, and the position of the pre-tightening nut can be adjusted to adjust the compression pre-tightening force of the pre-tightening spring.
Because the pre-tightening spring is in a compressed state, the spring has an elastic effect on the fifth lens frame and the fourth lens frame at two ends of the pre-tightening spring, the compression pre-tightening force of the pre-tightening spring can be adjusted through the pre-tightening nut, and the pre-tightening nut can change the compression degree of the spring so as to change the elastic force of the spring.
As a preferred technical scheme:
the fixed lens component comprises a first lens, a second lens, a sixth lens, a seventh lens, each lens frame, each lens pressing ring and a frame pressing ring, wherein the lenses are fixed in the frame through the lens pressing rings, and the frame is fixed in the lens barrel through the frame pressing rings.
As a preferred technical scheme:
the first lens and the second lens are in a group and are arranged at one end of the lens barrel; the sixth lens and the seventh lens are in a group and are arranged at the other end of the lens cone.
As a preferred technical scheme:
the transmission mechanisms are divided into an upper group and a lower group, are respectively arranged on the upper side and the lower side of the lens cone and are used for respectively driving the fifth lens frame and the fourth lens frame to move.
The third lens, the fourth lens and the fifth lens are driven by the transmission mechanism to change the positions of the third lens, the fourth lens and the fifth lens, so that the zooming and focusing functions of the three-view-field switching device are realized.
The third lens and the fifth lens are integrally designed, so that a group of transmission mechanisms is reduced, the cost is saved, and the control difficulty is reduced.
The transmission mechanisms are distributed on the upper side and the lower side of the lens cone, so that the layout is reasonable, and the optical system is convenient to assemble and adjust.
As a preferred technical scheme:
the transmission mechanism comprises a guide rail, a front support frame, a bearing pressing ring, a deep groove ball bearing, a screw rod, a transmission switching frame, a rear support frame, an angular contact bearing, a bearing pressing sheet, a motor, a potentiometer gear, a screw rod gear, a motor gear and a fastener.
As a preferred technical scheme:
every group drive mechanism includes two the guide rail, the lead screw is located two between the guide rail, the both ends of lead screw connect respectively in preceding support frame with on the back support frame, the motor passes through the motor gear drives the lead screw gear is rotatory, thereby drives the lead screw is rotatory, the lead screw handle the rotary motion of motor is transformed into linear motion, and passes through the drive switching frame drives the motion of activity lens subassembly, the lead screw gear again with the meshing of potentiometer gear, through the potentiometer record the position of activity lens subassembly.
As a preferred technical scheme:
each group of transmission mechanisms comprises two angular contact bearings and a deep groove ball bearing, and the two angular contact bearings fasten the screw rod on the rear support frame by means of a bearing pressing sheet and a bearing pressing ring;
the deep groove ball bearing is arranged between the screw rod and the front support frame, the inner ring of the deep groove ball bearing is fixed only by the bearing pressing ring, and the outer ring of the deep groove ball bearing can float along the axial direction.
When the temperature changes, the lead screw and other structural components are prevented from being blocked due to different linear expansion coefficients.
As a preferred technical scheme:
the front support frame and the rear support frame are fixed on the same plane of the lens barrel.
The mounting accuracy can be effectively improved.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention applies elastic pretension and designs a mode of adjusting the pretension force, thereby eliminating the transmission clearance and return difference of the screw rod better and improving the imaging quality.
2. The third lens and the fifth lens are integrally designed, so that a group of transmission mechanisms is reduced, the cost is saved, and the control difficulty is reduced.
3. The transmission mechanisms are distributed on the upper side and the lower side of the lens cone, so that the optical system is convenient to assemble and adjust.
4. The device has compact structure, small volume and light weight, and is convenient for the integration of the design of the common light path and the common detector in the later period.
5. The device has high precision, smooth field switching and good imaging quality.
Drawings
Fig. 1 is an exploded view of a three-field switching device according to the present invention.
Fig. 2 is a cross-sectional view of each lens in the three-field switching device according to the present invention.
Fig. 3 is a schematic structural diagram of the transmission mechanism according to the present invention.
Fig. 4 is a schematic structural diagram of the pretensioning mechanism according to the present invention.
Icon: 100-lens cone, 200-fixed lens component, 300-movable lens component, 400-transmission mechanism, 500-pre-tightening mechanism, 201-first lens, 202-second lens, 301-third lens, 302-fourth lens, 303-fifth lens, 203-sixth lens, 204-seventh lens, 304-third fifth lens frame, 305-fourth lens frame, 401-guide rail, 402-front support frame, 403-bearing press ring, 404-deep groove ball bearing, 405-lead screw, 406-transmission switching frame, 407-rear support frame, 408-angular contact bearing, 409-bearing press sheet, 410-motor, 411-potentiometer, 412-potentiometer gear, 413-lead screw gear, 414-motor gear, 501-spring guide rod, 502-pretension spring, 503-pretension nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1 to 4, the present embodiment provides a high-precision three-view switching device based on elastic pretension, which includes a lens barrel 100, a fixed lens assembly 200, a movable lens assembly 300, a transmission mechanism 400, and a pretension mechanism 500.
Wherein: the lens barrel 100 is designed integrally, has good rigidity and precision, and provides accurate mounting support for other components.
The transmission mechanism 400 is used to drive the movable lens assembly 300 to move, providing it with an accurate movement position.
The fixed lens assembly 200 comprises a first lens 201, a second lens 202, a sixth lens 203, a seventh lens 204, each lens frame, each lens pressing ring and a frame pressing ring, each lens is provided with the lens frame and the lens pressing ring, the lenses are fixed in the lens frames through the lens pressing rings, the lens frames are fixed in the lens barrel 100 through the frame pressing rings, a centering and vehicle matching process is adopted during convenient assembly, and the assembly precision is improved.
The first lens 201 and the second lens 202 are in one group and are arranged at one end of the lens barrel 100; the sixth lens 203 and the seventh lens 204 are a group and are disposed at the other end of the lens barrel 100.
The movable lens component 300 is arranged between the two fixed lens components 200, the movable lens component 300 comprises a third lens 301, a fourth lens 302 and a fifth lens 303, each lens is also provided with a lens frame and a lens pressing ring, the lenses are fixed in the lens frame through the lens pressing rings, and the lens frame is fixed in the lens barrel 100 through the lens frame pressing rings.
The frame of the third lens 301 and the frame of the fifth lens 303 are a third fifth frame 304 which is an integrated structure, and the frame of the fourth lens 302 is a fourth frame 305;
the transmission mechanisms 400 are divided into two upper groups and two lower groups, and are respectively installed on the upper side and the lower side of the lens barrel 100, and are used for respectively driving the third fifth lens frame 304 and the fourth lens frame 305 to move, and respectively providing accurate movement positions for the third fifth movable lens group and the fourth movable lens group. Because the third lens 301 and the fifth lens 303 adopt an integrated frame, not only one set of transmission mechanism 400 is reduced, but also the control difficulty of the moving lens is reduced, and the installation precision of the two lenses is improved, and the assembly process of each lens is the same as that of the fixed lens. The structure has reasonable layout, small volume and high rigidity, and is convenient for the installation and adjustment of the optical system.
Referring to fig. 3, each set of actuators 400 includes two guide rails 401 for providing positional accuracy and support for the movable lens assembly 300. The screw rod 405 is located between the two guide rails 401, the screw rod 405 is supported by a bearing, and two ends of the screw rod 405 are respectively connected to the front support frame 402 and the rear support frame 407.
Specifically, each set of transmission mechanism 400 comprises two angular contact bearings 408 and a deep groove ball bearing 404, wherein the two angular contact bearings 408 fasten the screw rod 405 on the rear support frame 407 through a bearing pressing plate 409 and a bearing pressing ring 403; a deep groove ball bearing 404 is arranged between the screw rod 405 and the front support frame 402, the inner ring of the deep groove ball bearing 404 is fixed only by a bearing pressing ring 403, the outer ring can float along the axial direction, and the lead screw 405 and other structural components are prevented from being blocked due to different linear expansion coefficients when the temperature changes. The front support frame 402 and the rear support frame 407 are fixed on the same plane of the lens barrel 100, which can effectively improve the mounting accuracy.
The motor 410 drives the lead screw gear 413 to rotate through the motor gear 414, so as to drive the lead screw 405 to rotate, and provide motion power for the movable lens group. A transmission adapter 406 is connected to the lead screw 405, and the transmission adapter 406 is connected to the movable lens component 300. The screw 405 converts the rotation of the motor 410 into a linear motion, and drives the movable lens assembly 300 to move through the transmission adapter 406, thereby realizing the zooming and focusing functions of the three-view switching device. The lead screw gear 413, in turn, meshes with a potentiometer gear 412, and the position of the movable lens assembly 300 is recorded by the potentiometer 411.
The pre-tightening mechanism 500 is disposed between the movable lens assemblies 300, and is configured to pre-tighten the movable lens assemblies 300, and the pre-tightening force is adjustable.
Specifically, referring to fig. 4, the pre-tightening mechanism 500 includes a spring guide rod 501, a pre-tightening spring 502 and a pre-tightening nut 503, the pre-tightening mechanism 500 performs pre-tightening in the fifth lens frame 304 and the fourth lens frame 305 by using an elastic pre-tightening manner, the structure is compact, almost no extra space is occupied, and the elastic pre-tightening can eliminate a transmission gap of the lead screw 405, thereby improving the imaging quality.
The spring guide 501 is fastened to the fifth lens frame 304 by a screw thread, and guides the pre-tightening spring 502. The pre-tightening spring 502 is sleeved outside the spring guide rod 501, and the tail of one end of the pre-tightening spring passes through the glue hole of the third fifth mirror frame 304 and is fixed on the third fifth mirror frame 304 through glue dispensing. One end of the pre-tightening nut 503 is in threaded connection with the fourth lens frame 305, the other end of the pre-tightening nut is in contact with the pre-tightening spring 502 on the spring guide rod 501, the pre-tightening spring 502 is in a compression state, and the pre-tightening force of the pre-tightening spring 502 can be adjusted by adjusting the position of the pre-tightening nut 503.
The lead screw 405 drives the movable lens assembly 300 to move on the guide rail 401 to complete the zooming function, and the potentiometer 411 is used to determine whether the movable lens assembly reaches a designated position. When the movable lens assemblies 300 reach the designated positions, the motor 410 is given a small torque and keeps constant because the pre-tightening spring 502 of the pre-tightening mechanism 500 is in a compressed state, so that the two movable lens assemblies 300 are kept pre-tightened. When the target position changes or the environmental temperature changes and needs to be focused, only the position of the fourth lens 302 needs to be finely adjusted.
The three-view-field switching device adopts an elastic pre-tightening mode, can eliminate the transmission clearance and return difference of the screw rod, and has high precision, smooth view field switching and good imaging quality.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a three field of view auto-change over devices of high accuracy based on elasticity pretension which characterized in that:
comprises a lens barrel (100), a fixed lens component (200), a movable lens component (300), a transmission mechanism (400) and a pre-tightening mechanism (500);
the transmission mechanism (400) is used for driving the movable lens assembly (300) to move and providing an accurate moving position for the movable lens assembly, and the pre-tightening mechanism (500) is arranged between the movable lens assemblies (300) and used for pre-tightening the movable lens assemblies (300), and the pre-tightening force is adjustable.
2. The elastic pretension-based high-precision three-field switching device according to claim 1, wherein:
the movable lens assembly (300) comprises a third lens (301), a fourth lens (302) and a fifth lens (303), each lens is provided with a lens frame and a lens pressing ring, the lenses are fixed in the lens frames through the lens pressing rings, and the lens frames are fixed in the lens barrel (100) through the lens frame pressing rings;
the frame of the third lens (301) and the frame of the fifth lens (303) are of an integrated structure, namely a third fifth frame (304), and the frame of the fourth lens (302) is a fourth frame (305);
one end of the pre-tightening mechanism (500) is connected to the third fifth lens frame (304), the other end of the pre-tightening mechanism is connected to the fourth lens frame (305), and the pre-tightening mechanism (500) elastically pre-tightens the third fifth lens frame (304) and the fourth lens frame (305).
3. The elastic pretension-based high-precision three-field switching device according to claim 2, wherein:
the pre-tightening mechanism (500) comprises a spring guide rod (501), a pre-tightening spring (502) and a pre-tightening nut (503), the spring guide rod (501) is fastened on the third fifth mirror frame (304), the pre-tightening spring (502) is sleeved outside the spring guide rod (501), one end of the pre-tightening spring is fixed on the third fifth mirror frame (304), one end of the pre-tightening nut (503) is in threaded connection with the fourth mirror frame (305), the other end of the pre-tightening nut is in contact with the pre-tightening spring (502) on the spring guide rod (501), the pre-tightening spring (502) is in a compression state, and the position of the pre-tightening nut (503) can be adjusted to adjust the pre-tightening force of compression of the pre-tightening spring (502).
4. The elastic pretension-based high-precision three-field switching device according to claim 2, wherein:
the fixed lens assembly (200) comprises a first lens (201), a second lens (202), a sixth lens (203), a seventh lens (204), lens frames, lens clamping rings and frame clamping rings, the lenses are fixed in the lens frames through the lens clamping rings, and the lens frames are fixed in the lens barrel (100) through the frame clamping rings.
5. The elastic pretension-based high-precision three-field switching device according to claim 4, wherein:
the first lens (201) and the second lens (202) are in a group and are arranged at one end of the lens barrel (100); the sixth lens (203) and the seventh lens (204) are in a group and are arranged at the other end of the lens barrel (100).
6. The elastic pretension-based high-precision three-field switching device according to claim 2, wherein:
the transmission mechanisms (400) are divided into an upper group and a lower group, are respectively installed on the upper side and the lower side of the lens cone (100), and are used for respectively driving the third fifth lens frame (304) and the fourth lens frame (305) to move.
7. The elastic pretension-based high-precision three-field switching device according to claim 1, wherein:
the transmission mechanism (400) comprises a guide rail (401), a front support frame (402), a bearing pressing ring (403), a deep groove ball bearing (404), a lead screw (405), a transmission switching frame (406), a rear support frame (407), an angular contact bearing (408), a bearing pressing sheet (409), a motor (410), a potentiometer (411), a potentiometer gear (412), a lead screw gear (413), a motor gear (414) and a fastener.
8. The elastic pretension-based high-precision three-field switching device according to claim 7, wherein:
every group drive mechanism (400) includes two guide rail (401), lead screw (405) are located two between guide rail (401), the both ends of lead screw (405) connect respectively in preceding support frame (402) with on back support frame (407), motor (410) pass through motor gear (414) drive lead screw gear (413) are rotatory, thereby drive lead screw (405) are rotatory, lead screw (405) change the rotary motion of motor (410) into linear motion, and pass through transmission switching frame (406) drives movable lens subassembly (300) motion, lead screw gear (413) again with potentiometer gear (412) meshing, through potentiometer (411) record the position of movable lens subassembly (300).
9. The elastic pretension-based high-precision three-field switching device according to claim 8, wherein:
each group of transmission mechanisms (400) comprises two angular contact bearings (408) and a deep groove ball bearing (404), and the two angular contact bearings (408) fasten the screw rod (405) on the rear support frame (407) by a bearing pressing plate (409) and a bearing pressing ring (403);
the deep groove ball bearing (404) is arranged between the screw rod (405) and the front support frame (402), the inner ring of the deep groove ball bearing (404) is fixed only by the bearing pressing ring (403), and the outer ring of the deep groove ball bearing can float along the axial direction.
10. The elastic pretension-based high-precision three-field switching device according to claim 9, wherein:
the front support frame (402) and the rear support frame (407) are fixed on the same plane of the lens barrel (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443494.7A CN114355542B (en) | 2021-11-30 | 2021-11-30 | High-precision three-view-field switching device based on elastic pre-tightening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443494.7A CN114355542B (en) | 2021-11-30 | 2021-11-30 | High-precision three-view-field switching device based on elastic pre-tightening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114355542A true CN114355542A (en) | 2022-04-15 |
| CN114355542B CN114355542B (en) | 2023-06-23 |
Family
ID=81097493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111443494.7A Active CN114355542B (en) | 2021-11-30 | 2021-11-30 | High-precision three-view-field switching device based on elastic pre-tightening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114355542B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338957A (en) * | 2022-12-19 | 2023-06-27 | 江苏泽景汽车电子股份有限公司 | HUD lens driving system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004252230A (en) * | 2003-02-21 | 2004-09-09 | Nidec Copal Corp | Lens driving device |
| JP2005070505A (en) * | 2003-08-26 | 2005-03-17 | Auto Network Gijutsu Kenkyusho:Kk | Camera device |
| CN101424778A (en) * | 2007-10-31 | 2009-05-06 | 索尼株式会社 | Lens barrel and imaging apparatus |
| CN102236146A (en) * | 2011-07-08 | 2011-11-09 | 福鼎市一雄光学仪器有限公司 | Long-focus multipurpose photographic lens |
| CN204009188U (en) * | 2014-05-29 | 2014-12-10 | 惠州市桑莱士光电有限公司 | A kind of supporting focusing tool of MTF of producing for high-pixel mobile phone camera |
| CN104459978A (en) * | 2014-12-30 | 2015-03-25 | 中国科学院长春光学精密机械与物理研究所 | Large-caliber optical telescope secondary mirror focusing mechanism |
| CN205643822U (en) * | 2016-05-06 | 2016-10-12 | 广州铂杰舞台灯光设备有限公司 | Focusing device |
| CN106773059A (en) * | 2017-01-18 | 2017-05-31 | 北京小鸟看看科技有限公司 | A kind of Flexible Transmission governor motion |
| CN206863342U (en) * | 2017-03-31 | 2018-01-09 | 潍坊歌尔电子有限公司 | One kind wears display device |
| CN212207806U (en) * | 2020-05-20 | 2020-12-22 | 河北长红光电科技有限公司 | Manual focusing lens |
-
2021
- 2021-11-30 CN CN202111443494.7A patent/CN114355542B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004252230A (en) * | 2003-02-21 | 2004-09-09 | Nidec Copal Corp | Lens driving device |
| JP2005070505A (en) * | 2003-08-26 | 2005-03-17 | Auto Network Gijutsu Kenkyusho:Kk | Camera device |
| CN101424778A (en) * | 2007-10-31 | 2009-05-06 | 索尼株式会社 | Lens barrel and imaging apparatus |
| CN102236146A (en) * | 2011-07-08 | 2011-11-09 | 福鼎市一雄光学仪器有限公司 | Long-focus multipurpose photographic lens |
| CN204009188U (en) * | 2014-05-29 | 2014-12-10 | 惠州市桑莱士光电有限公司 | A kind of supporting focusing tool of MTF of producing for high-pixel mobile phone camera |
| CN104459978A (en) * | 2014-12-30 | 2015-03-25 | 中国科学院长春光学精密机械与物理研究所 | Large-caliber optical telescope secondary mirror focusing mechanism |
| CN205643822U (en) * | 2016-05-06 | 2016-10-12 | 广州铂杰舞台灯光设备有限公司 | Focusing device |
| CN106773059A (en) * | 2017-01-18 | 2017-05-31 | 北京小鸟看看科技有限公司 | A kind of Flexible Transmission governor motion |
| CN206863342U (en) * | 2017-03-31 | 2018-01-09 | 潍坊歌尔电子有限公司 | One kind wears display device |
| CN212207806U (en) * | 2020-05-20 | 2020-12-22 | 河北长红光电科技有限公司 | Manual focusing lens |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338957A (en) * | 2022-12-19 | 2023-06-27 | 江苏泽景汽车电子股份有限公司 | HUD lens driving system |
| CN116338957B (en) * | 2022-12-19 | 2024-05-14 | 江苏泽景汽车电子股份有限公司 | HUD lens driving system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114355542B (en) | 2023-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213876152U (en) | Continuous zooming mechanism | |
| CN107422450A (en) | A kind of CCD focus adjusting mechanisms for visible optical imaging system | |
| CN110187491B (en) | Precision adjusting mechanism and be used for focusing device of space optical telescope | |
| CN114355542A (en) | High-precision three-view-field switching device based on elastic pre-tightening | |
| JP2002287001A (en) | Lens driving device | |
| CN108427186B (en) | Light continuous zooming uncooled thermal infrared imager | |
| CN112241058A (en) | Zooming mechanism and thermal infrared imager | |
| CN216387527U (en) | Electrically-controlled optical lens frame | |
| CN2553354Y (en) | Built-in lens of infrared thermal imaging system | |
| JP2006047986A (en) | Optical device | |
| CN111426391A (en) | Double-view-field infrared thermal imaging lens and view field switching method | |
| JP3328036B2 (en) | Mirror frame moving mechanism | |
| CN208044178U (en) | Lightweight continuous vari-focus Uncooled infrared camera | |
| US6266190B1 (en) | Optical device provided with correcting function for trembling of focused image | |
| US20210271104A1 (en) | Lens apparatus and image pickup apparatus | |
| CN113985685B (en) | Compact optical filter switching component, assembly method and application | |
| JP2009139516A (en) | Lens drive device | |
| CN108873276B (en) | High-definition fog-penetrating broadband visible light camera lens and imaging method | |
| CN222618855U (en) | Imaging system and sighting instrument | |
| CN114114584A (en) | An electronically adjustable optical frame | |
| CN114236737A (en) | Linear electric motor driving type focusing and resetting device | |
| CN219625787U (en) | Staggered teeth gap eliminating device for cam type zoom focusing system | |
| CN117471640B (en) | Integrated focusing mechanism for space camera | |
| CN112630951B (en) | Ball screw fixing part with high-reliability limiting device | |
| JP2775981B2 (en) | Lens moving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |