CN213581537U - Optical device - Google Patents
Optical device Download PDFInfo
- Publication number
- CN213581537U CN213581537U CN202021249398.XU CN202021249398U CN213581537U CN 213581537 U CN213581537 U CN 213581537U CN 202021249398 U CN202021249398 U CN 202021249398U CN 213581537 U CN213581537 U CN 213581537U
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- China
- Prior art keywords
- magnetic suspension
- magnetic
- suspension structure
- lens module
- optical device
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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
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Adjustment Of Camera Lenses (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The utility model provides an optical device, which comprises a shell with an accommodating space, a lens module, a spring device and a driving device, wherein the lens module, the spring device and the driving device are accommodated in the accommodating space; the spring device is respectively connected with the lens module and the shell; the optical device further comprises a magnetic suspension fulcrum structure arranged between the lens module and the shell, the magnetic suspension fulcrum structure comprises a first magnetic suspension structure and a second magnetic suspension structure arranged corresponding to the first magnetic suspension structure, the first magnetic suspension structure is fixedly arranged on the lens module, the second magnetic suspension structure is fixedly arranged on the shell, and the first magnetic suspension structure and the second magnetic suspension structure are arranged in homopolar and opposite mode to generate a magnetic repulsion force so that the first magnetic suspension structure and the second magnetic suspension structure are not in direct contact with each other. The utility model provides an optical device reaches the reduction frictional resistance, avoids producing wearing and tearing, and then reaches the purpose of optics anti-shake.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an optics anti-shake technical field especially relates to an optical device.
[ background of the invention ]
The lens module of the existing optical device is generally connected with the fixed shell through the hemispherical structure, one end of the hemispherical structure is hemispherical and convex, the other end of the hemispherical structure is a groove correspondingly arranged, when the lens module rotates, the hemispherical protrusion and the groove are contacted and generate friction, certain friction resistance exists, and the hemispherical structure is worn or even damaged due to long-term rotation of the lens module.
[ Utility model ] content
The utility model provides an optical device replaces traditional hemisphere structure through using magnetic suspension fulcrum structure, reaches the reduction frictional resistance, avoids producing wearing and tearing, and then reaches optics anti-shake's purpose.
The utility model provides an optical device which comprises a shell with an accommodating space, a lens module, a spring device and a driving device, wherein the lens module, the spring device and the driving device are accommodated in the accommodating space; the spring device is respectively connected with the lens module and the shell and is used for supporting the lens module; a driving device for pushing the lens module to rotate is arranged between the lens module and the shell; the optical device further comprises a magnetic suspension fulcrum structure arranged between the lens module and the shell, the magnetic suspension fulcrum structure comprises a first magnetic suspension structure and a second magnetic suspension structure arranged corresponding to the first magnetic suspension structure, the first magnetic suspension structure is fixedly arranged on the lens module, the second magnetic suspension structure is fixedly arranged on the shell, and the first magnetic suspension structure and the second magnetic suspension structure are arranged in homopolar and opposite mode to generate a magnetic repulsion force so that the first magnetic suspension structure and the second magnetic suspension structure are not in direct contact with each other.
Preferably, the first and second magnetic levitation structures are permanent magnets.
Preferably, the first magnetic suspension structure is an electromagnetic structure, and the second magnetic suspension structure is a permanent magnet.
Preferably, the first magnetic suspension structure is a permanent magnet, and the second magnetic suspension structure is an electromagnetic structure.
Preferably, the first and second magnetic levitation structures are electromagnetic structures.
Preferably, the electromagnetic structure comprises an iron core and a coil wound around the iron core, and the coil cooperates with the iron core to generate a magnetic field when being electrified.
Preferably, the housing includes a side wall, and a housing cover plate and a housing bottom surface connected to the side wall to form the accommodating space, and the second magnetic suspension structure is fixedly disposed on the housing bottom surface.
Preferably, the first magnetic suspension structure and the second magnetic suspension structure have a gap therebetween due to magnetic repulsion.
Preferably, the first magnetic suspension structure is a hemispherical protrusion, and the second magnetic suspension structure is a hemispherical groove.
Compared with the prior art, the utility model provides an optical device replaces traditional hemisphere structure through using magnetic suspension fulcrum structure, reaches the reduction frictional resistance, avoids producing wearing and tearing, and then reaches the purpose of optics anti-shake.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural diagram of an optical device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the optical device of FIG. 1 with the housing separated;
fig. 3 is a schematic cross-sectional view of the optical device along a-a in fig. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of a portion B of FIG. 2;
fig. 5 is a schematic cross-sectional view of the optical device along a-a in fig. 1 according to a second embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of the optical device along a-a in fig. 1 according to a third embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of the optical device along a-a in fig. 1 according to the fourth embodiment of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides an optical device 100, the optical device 100 includes a housing 10 having an accommodating space 1, and a lens module 20, a spring device 30 and a driving device 40 accommodated in the accommodating space 1; the spring device 30 is respectively connected with the lens module 20 and the housing 10, and the spring device 30 is used for supporting the lens module 20; a driving device 40 for driving the lens module 20 to rotate is arranged between the lens module 20 and the housing 10; the optical device 100 further includes a magnetic suspension fulcrum structure 50 disposed between the lens module 20 and the housing 10, wherein the magnetic suspension fulcrum structure 50 includes a first magnetic suspension structure 51 and a second magnetic suspension structure 52 disposed corresponding to the first magnetic suspension structure 51, the first magnetic suspension structure 51 is fixed on the lens module 20, the second magnetic suspension structure 52 is fixed on the housing 10, and the first magnetic suspension structure 51 and the second magnetic suspension structure 52 are disposed opposite to each other in the same polarity to generate a magnetic repulsion force so that the first magnetic suspension structure 51 and the second magnetic suspension structure 52 are not in direct contact with each other. Specifically, a gap 512 is formed between the first magnetic suspension structure 51 and the second magnetic suspension structure 52 due to magnetic repulsion. The shell 10 comprises a side wall 11, a shell cover plate 12 and a shell bottom surface 13 which are connected with the side wall 11 to form the accommodating space 1, and the second magnetic suspension structure 52 is fixedly arranged on the shell bottom surface 13; the first magnetic suspension structure 51 is fixedly disposed at the bottom of the lens module 20. The shapes of the first magnetic suspension structure 51 and the second magnetic suspension structure 52 are not limited, and in an embodiment, the first magnetic suspension structure 51 is a protrusion in a hemispherical shape, and the second magnetic suspension structure 52 is a groove in a hemispherical shape. Because the first magnetic suspension structure 51 and the second magnetic suspension structure 52 are arranged opposite to each other in the vertical direction, and the lens module is fixed by the housing and the spring device, the first magnetic suspension structure 51 and the second magnetic suspension structure 52 are opposite in magnetic homopolar and are influenced by a magnetic repulsion force to keep opposite positions, and meanwhile, due to the existence of the magnetic repulsion force, the first magnetic suspension structure 51 and the second magnetic suspension structure 52 cannot be in direct contact with each other to keep a certain gap 512. Meanwhile, the driving device 40 provides a driving force for the lens module 20 to drive the lens module 20 to rotate, and under the driving force, the lens module 20 rotates around the magnetic suspension fulcrum structure 50 to reach a designated position, so as to reduce friction resistance, avoid abrasion, and further achieve the purpose of optical anti-shake.
The optical device further comprises a PCB (printed circuit board) 60, a through hole 18 penetrating through the side wall 11 is formed in the shell 10, one end of the PCB 60 is connected with the camera 20, and the other end of the PCB 60 penetrates through the through hole 18 and then extends out of the shell 10.
Referring to fig. 3 again, in the first embodiment of the present invention, the first magnetic suspension structure 51 and the second magnetic suspension structure 52 are permanent magnets.
Referring to fig. 5, in a second embodiment of the present invention, the first magnetic suspension structure 51 is an electromagnetic structure, and the second magnetic suspension structure 52 is a permanent magnet. The first magnetic suspension structure 51 comprises an iron core 511 and a coil 512, the coil 512 is wound on the iron core 511, and when the coil 512 is energized, the first magnetic suspension structure 51 generates a magnetic field with the same magnetism as the second magnetic suspension structure 52, so as to generate a magnetic repulsion force.
Referring to fig. 6, in a third embodiment of the present invention, the first magnetic suspension structure 51 is a permanent magnet, and the second magnetic suspension structure 52 is an electromagnetic structure. The second magnetic suspension structure 52 comprises an iron core 521 and a coil 522, the coil 522 is wound on the iron core 521, and when the coil 522 is energized, the second magnetic suspension structure 52 generates a magnetic field with the same magnetism as the first magnetic suspension structure 51 so as to generate a magnetic repulsion force.
Referring to fig. 7, in a fourth embodiment of the present invention, the first magnetic suspension structure 51 and the second magnetic suspension structure 52 are both electromagnetic structures. The first magnetic levitation structure 51 comprises an iron core 511 and a coil 512, the coil 512 is wound around the iron core 511, and when the coil 512 is energized, the first magnetic levitation structure 51 generates a magnetic field having the same magnetism as the second magnetic levitation structure 52. The second magnetic suspension structure 52 comprises an iron core 521 and a coil 522, the coil 522 is wound on the iron core 521, and when the coil 522 is energized, the second magnetic suspension structure 52 generates a magnetic field with the same magnetism as the first magnetic suspension structure 51 so as to generate a magnetic repulsion force.
Compared with the prior art, the utility model provides an optical device replaces traditional hemisphere structure through using magnetic suspension fulcrum structure, reaches the reduction frictional resistance, avoids producing wearing and tearing, and then reaches the purpose of optics anti-shake.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (9)
1. An optical device is characterized by comprising a shell with an accommodating space, a lens module, a spring device and a driving device, wherein the lens module, the spring device and the driving device are accommodated in the accommodating space; the spring device is respectively connected with the lens module and the shell and is used for supporting the lens module; a driving device for pushing the lens module to rotate is arranged between the lens module and the shell; the optical device further comprises a magnetic suspension fulcrum structure arranged between the lens module and the shell, the magnetic suspension fulcrum structure comprises a first magnetic suspension structure and a second magnetic suspension structure arranged corresponding to the first magnetic suspension structure, the first magnetic suspension structure is fixedly arranged on the lens module, the second magnetic suspension structure is fixedly arranged on the shell, and the first magnetic suspension structure and the second magnetic suspension structure are arranged in homopolar and opposite mode to generate a magnetic repulsion force so that the first magnetic suspension structure and the second magnetic suspension structure are not in direct contact with each other.
2. The optical device according to claim 1, characterized in that the first and second magnetic levitation structures are permanent magnets.
3. The optical device according to claim 1, wherein the first magnetic levitation structure is an electromagnetic structure and the second magnetic levitation structure is a permanent magnet.
4. The optical device according to claim 1, wherein the first magnetically levitated structure is a permanent magnet and the second magnetically levitated structure is an electromagnetic structure.
5. The optical device according to claim 1, characterized in that the first and second magnetic levitation structures are electromagnetic structures.
6. An optical device as claimed in any one of claims 3 to 5, wherein the electromagnetic structure comprises a core and a coil disposed around the core, the coil cooperating with the core to generate a magnetic field when energised.
7. The optical device according to claim 1, wherein the housing includes a side wall, a housing cover plate connected to the side wall to form the receiving space, and a housing bottom surface, and the second magnetic suspension structure is fixedly disposed on the housing bottom surface.
8. The optical device according to claim 1, wherein the first magnetic levitation structure and the second magnetic levitation structure have a gap therebetween due to magnetic repulsion.
9. The optical device as claimed in claim 1, wherein the first magnetic levitation structure is a protrusion having a hemispherical shape, and the second magnetic levitation structure is a groove having a hemispherical shape.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249398.XU CN213581537U (en) | 2020-06-30 | 2020-06-30 | Optical device |
| PCT/CN2020/101473 WO2022000539A1 (en) | 2020-06-30 | 2020-07-10 | Optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249398.XU CN213581537U (en) | 2020-06-30 | 2020-06-30 | Optical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213581537U true CN213581537U (en) | 2021-06-29 |
Family
ID=76550900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021249398.XU Active CN213581537U (en) | 2020-06-30 | 2020-06-30 | Optical device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213581537U (en) |
| WO (1) | WO2022000539A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201373938Y (en) * | 2009-02-03 | 2009-12-30 | 力相光学股份有限公司 | Minitype magnetic suspension type lens driving device |
| US7955008B1 (en) * | 2009-11-13 | 2011-06-07 | Vi-Tai Technology Co., Ltd. | Magnet array member with more than four poles and shutter |
| TWM404397U (en) * | 2010-10-15 | 2011-05-21 | Vi Tai Technology Co Ltd | driver device of a camera |
| CN103312232B (en) * | 2012-03-13 | 2018-02-02 | 赛恩倍吉科技顾问（深圳）有限公司 | Magnetic suspension motor |
| TWM500263U (en) * | 2014-12-18 | 2015-05-01 | Powergate Optical Inc | Miniature lens driving mechanism |
| CN104902150B (en) * | 2015-03-27 | 2018-05-29 | 惠州友华微电子科技有限公司 | A kind of camera electromagnetic drive structures |
| CN110780507A (en) * | 2019-11-05 | 2020-02-11 | 深圳市世尊科技有限公司 | Anti-shake camera module and camera device |
-
2020
- 2020-06-30 CN CN202021249398.XU patent/CN213581537U/en active Active
- 2020-07-10 WO PCT/CN2020/101473 patent/WO2022000539A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022000539A1 (en) | 2022-01-06 |
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