CN111083340B - Anti-shake pan-tilt motor, camera device and electronic equipment - Google Patents
Anti-shake pan-tilt motor, camera device and electronic equipment Download PDFInfo
- Publication number
- CN111083340B CN111083340B CN202010016056.1A CN202010016056A CN111083340B CN 111083340 B CN111083340 B CN 111083340B CN 202010016056 A CN202010016056 A CN 202010016056A CN 111083340 B CN111083340 B CN 111083340B
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- base
- camera module
- axis
- coil
- tilt motor
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000005530 etching Methods 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
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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
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- 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
- H04N23/67—Focus control based on electronic image sensor signals
-
- 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
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
The invention discloses an anti-shake pan-tilt motor, a photographic device and electronic equipment, which comprise a base, a camera module, balls, an upper elastic sheet, a driving mechanism and an upper cover, wherein the base is provided with a plurality of grooves; the base is used for supporting the whole structure and fixing the camera module; the balls are positioned on the camera module and the base and used for positioning a rotation center and supporting the camera module; the upper elastic sheet is used for connecting the camera module and the base, and positioning the initial position of the camera module together with the ball; the driving mechanism is provided with four groups and is respectively positioned at four side parts of the base and used for providing power in the X-axis and Y-axis directions for the camera module; the invention uses the ball as the X-axis and Y-axis deflection center, shares the focusing motor permanent magnet in the camera module, and generates deflection torque through electromagnetic action with the side coils to realize the X-axis and Y-axis anti-shake function.
Description
Technical Field
The invention relates to the field of camera anti-shake equipment, in particular to an anti-shake tripod head motor, a camera device and electronic equipment.
Background
Most of the existing OIS adopts a suspension wire to support a focusing motor part, a displacement sensor is designed in the inner part to feed back position change, and the position change is corrected through the magnetic force action of a bottom coil and a permanent magnet.
Problem point:
The reliability of the suspension wire structure is easy to break;
the suspension wire assembly process is complex and has low efficiency;
The initial zero position accuracy is poor.
Disclosure of Invention
The invention aims to provide an anti-shake pan-tilt motor, a camera device and electronic equipment, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The anti-shake tripod head motor comprises a base, a camera module, balls, an upper elastic sheet, a driving mechanism and an upper cover;
the base is used for supporting the whole structure and fixing the camera module;
the ball is positioned between the camera module and the base and used for positioning a rotation center and supporting the camera module;
the upper elastic sheet is used for connecting the camera module and the base, and positioning the initial position of the camera module together with the ball;
the driving mechanism is provided with four groups and is respectively positioned at four side parts of the base and used for providing power in the X-axis and Y-axis directions for the camera module;
The invention uses the ball as the X-axis and Y-axis deflection center, shares the focusing motor permanent magnet in the camera module, and generates deflection torque through electromagnetic action with the side coil to realize the X-axis and Y-axis anti-shake function;
The base is a rectangular shell with an opening at the top, the top of the base is also buckled with an upper cover, the upper cover is a rectangular shell with a base fit and an opening at the bottom, corners of the upper cover are all in arc transition, a central round hole for the front end of the camera module to penetrate out is formed in the center of the top of the upper cover, and the upper cover is used for being buckled with the base so as to protect the parts inside the base and the upper cover;
The bottom of the base is provided with a first step part, and the first step part is used for supporting the bottom of the upper cover; vacancies for installing a driving mechanism are formed in the four side edges of the base, and the driving mechanism is arranged on the vacancies to provide power in the X-axis and Y-axis directions for the camera module;
The driving mechanism comprises a coil, a magnetic conduction plate and an FPC; the coil and the magnetic conductive plate are respectively positioned at two sides of the FPC, the coil is electrically connected with the FPC, and the magnetic conductive plate is bonded with the FPC; coils include, but are not limited to, wire wound coils and FPC etched coils;
The upper elastic sheet is positioned at the top of the base and used for connecting the camera module and the base, and is respectively connected with the camera module and the base;
A gap is reserved between the bottom of the inner cavity of the base and the bottom of the fixed camera module, and balls are arranged at the centers of the bottom of the inner cavity of the base and the bottom of the fixed camera module.
Further, when the coil is the wire winding coil, the vacancy is including seting up fretwork department, first mounting groove and the second mounting groove on the base side, and wherein the fretwork department is used for installing the coil, and first mounting groove is used for installing the magnetic conduction board, and the second mounting groove is used for installing FPC.
Further, when the coil is an FPC etching coil, the vacancy comprises a first mounting groove and a second mounting groove which are formed in the side edge of the base, the first mounting groove is used for mounting the magnetic conduction plate, and the second mounting groove is used for mounting the FPC.
Further, the connection mode of the upper elastic sheet and the camera module and the base includes, but is not limited to, through hot riveting, clamping connection, dispensing, soldering, laser welding or other existing connection modes capable of realizing the function of positioning the initial position of the camera module together with the upper elastic sheet ball.
Further, the first arc-shaped groove matched with the ball is formed in the bottom of the inner cavity of the base, and the second arc-shaped groove matched with the ball is formed in the bottom of the fixed camera module.
Further, the sum of the radians of the circular arcs of the cross sections of the first arc-shaped groove and the second arc-shaped groove is smaller than 360 degrees, and rotation of the fixed camera module in the X-axis direction and the Y-axis direction around the balls can be guaranteed.
Further, the cross sections of the first arc-shaped groove and the second arc-shaped groove are both minor arcs.
Further, the number of balls includes, but is not limited to, one, and may be a plurality of balls to perform an angle deflection function.
Further, the invention also discloses a camera device which comprises the anti-shake tripod head motor.
Still further, the invention also discloses an electronic device which comprises the camera device so as to realize the function of photographing; the electronic device includes, but is not limited to, a mobile phone, a computer and a tablet.
Compared with the prior art, the invention has the beneficial effects that:
1. The cradle head clamps the camera module through the ball and the elastic sheet, so that the process assembly is simple;
2. The whole anti-shake structure is based on a module, and the imaging effect of the camera is not affected in the anti-shake process;
3. the lower ball is used for positioning the camera module, so that the center positioning precision is high;
4. the spring plate can be designed in a prepressing way, so that the camera module can be positioned better, and zero gesture potential difference can be realized theoretically;
5. the ball is used as a rotation center, so that the rotation friction force is small;
6. The lower ball design can reduce the rigidity of the supporting spring plate, reduce the stress value and ensure better reliability performance;
7. The rigidity of the supporting spring piece is reduced, the occupied space of the X axis and the Y axis can be reduced, and the product volume is smaller; the side coils share the focusing motor permanent magnet, so that the space of an X axis and a Y axis is reduced, and the product volume is smaller;
8. The design of the lower ball stabilizes the rotation center and avoids oscillation errors;
9. the position sensor is added on the focusing module, so that closed-loop control can be realized, and the anti-shake effect and the angle correction precision can be improved.
Drawings
Fig. 1 is a schematic structural diagram of an anti-shake pan-tilt motor.
Fig. 2 is an exploded view of an anti-shake pan-tilt motor.
Fig. 3 is a schematic structural diagram of a base in an anti-shake pan-tilt motor.
Fig. 4 is a schematic structural diagram of an upper spring plate in the anti-shake pan-tilt motor.
Fig. 5 is a front view of an anti-shake pan-tilt motor.
FIG. 6 is a cross-sectional view in the A-A direction of an anti-shake pan-tilt motor.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Referring to fig. 1-6, an anti-shake pan-tilt motor based on a camera module includes a base 100, a camera module 200, balls 300, an upper spring 400, a driving mechanism 500 and an upper cover 600,
The base 100 is used for supporting the whole structure and fixing the camera module 200;
The balls 300 are positioned between the camera module 200 and the base 100 for positioning a rotation center and for supporting the camera module 200;
The upper spring 400 is used for connecting the camera module 200 and the base 100, and positioning the initial position of the camera module 200 together with the ball 300;
the driving mechanism 500 is provided with four groups and is respectively positioned at four side parts of the base 100 for providing power for the camera module 200 in the X-axis and Y-axis directions;
Specifically, as shown in fig. 1, the base 100 is a rectangular housing with an opening at the top, the top of the rectangular housing is further buckled with an upper cover 600, the upper cover 600 is a rectangular housing with a base 100 adapted and an opening at the bottom, corners of the upper cover 600 are all in arc transition, a central round hole 601 for the front end of the camera module 200 to penetrate is formed in the center of the top of the upper cover 600, and the upper cover 600 is used for being buckled with the base 100 so as to protect components inside the base 100 and the upper cover 600;
The bottom of the base 100 is provided with a first step part 101, and the first step part 101 is used for supporting the bottom of the upper cover 600; the four sides of the base 100 are provided with gaps 110 for installing the driving mechanism 500, and the driving mechanism 500 is installed on the gaps 110 to provide power for the camera module 200 in the X-axis and Y-axis directions;
The driving mechanism 500 includes a coil 501, a magnetic conductive plate 502 and an FPC503, the coil 501 including but not limited to a wire winding coil and an FPC etching coil; the coil 501 and the magnetic conductive plate 502 are respectively positioned at two sides of the FPC503, the coil 501 is electrically connected with the FPC503, and the magnetic conductive plate 502 is bonded with the FPC 503;
Specifically, when the coil 501 is a wound coil, the gap 110 includes a hollowed portion 111 formed on a side edge of the base 100, a first mounting groove 112 and a second mounting groove 113, where the hollowed portion 111 is used for mounting the coil 501, the first mounting groove 112 is used for mounting the magnetic conductive plate 502, and the second mounting groove 113 is used for mounting the FPC503;
Specifically, when the coil 501 is an FPC etched coil, the space 110 includes a first mounting groove 112 and a second mounting groove 113 that are formed on the side edge of the base 100, where the first mounting groove 112 is used for mounting the magnetic conductive plate 502, and the second mounting groove 113 is used for mounting the FPC503;
as shown in fig. 4, the upper spring 400 is located on the top of the base 100 and is used for connecting the camera module 200 and the base 100, the upper spring 400 is connected with the camera module 200 and the base 100, respectively, where the connection manner of the upper spring 400 and the camera module 200 and the base 100 includes, but is not limited to, hot riveting, clamping, dispensing, soldering, laser welding or other existing connection manners capable of achieving the function of co-positioning the initial position of the camera module 200 with the balls 300 of the upper spring 400;
As shown in fig. 6, a gap is left between the bottom of the inner cavity of the base 100 and the bottom of the fixed camera module 200, wherein a ball 300 is disposed at the center of the bottom of the inner cavity of the base 100 and the bottom of the fixed camera module 200, a first arc-shaped groove 301 adapted to the ball 300 is disposed at the bottom of the inner cavity of the base 100, and a second arc-shaped groove 302 adapted to the ball 300 is also disposed at the bottom of the fixed camera module 200;
specifically, the cross sections of the first arc-shaped groove 301 and the second arc-shaped groove 302 are both minor arcs;
specifically, the sum of the radians of the circular arcs of the cross sections of the first arc-shaped groove 301 and the second arc-shaped groove 302 is smaller than 360 °, so that the rotation of the fixed camera module 200 in the X-axis direction and the Y-axis direction around the ball 300 can be ensured.
The number of balls includes, but is not limited to, one, and may be a plurality of balls to perform an angle deflection function;
The invention designs four coils on four sides of the base (namely, the base comprises an X axis square and a Y axis square), wherein two coils which are opposite are in a group, balls are designed at the base, the camera module is fixed, and the balls are used as the rotation center, so that the rotation anti-shake function of the X axis and the Y axis is realized.
Taking the X-axis direction as an example: after the coil is electrified with direct current, the electrified coil is positioned in a magnetic field of the focusing motor, and torque M1 around the ball is generated by ampere force; meanwhile, the coil 2 is electrified with reverse direct current, so that moment M2 is generated in the same way, and the moment M1 and the moment M2 act together to realize the angular rotation in the X-axis direction, so that the function of correcting and preventing shake is realized;
The same is true for the Y-axis.
The invention also discloses a camera device which comprises the anti-shake tripod head motor.
The invention also discloses an electronic device which comprises the camera device so as to realize the function of photographing.
The electronic device includes, but is not limited to, a mobile phone, a computer and a tablet.
While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (10)
1. An anti-shake pan-tilt motor is characterized by comprising a base (100), a camera module (200), balls (300), an upper spring plate (400), a driving mechanism (500) and an upper cover (600);
The base (100) is used for supporting the whole structure and fixing the camera module (200);
The ball (300) is positioned between the camera module (200) and the base (100) and used for positioning a rotation center and supporting the camera module (200);
The upper elastic sheet (400) is used for connecting the camera module (200) and the base (100), and is used for positioning the initial position of the camera module (200) together with the ball (300);
the driving mechanism (500) is provided with four groups and is respectively positioned at four side parts of the base (100) for providing power for the camera module (200) in the X-axis and Y-axis directions;
The balls (300) are used as X-axis and Y-axis deflection centers, a focusing motor permanent magnet in the camera module (200) is shared, deflection torque is generated through electromagnetic action with side coils, and X-axis and Y-axis anti-shake functions are achieved;
the base (100) is a rectangular shell with an opening at the top, the top of the base is also buckled with an upper cover (600), the upper cover (600) is a rectangular shell with the base (100) being matched and the opening at the bottom of the base is arranged, corners of the upper cover (600) are all in arc transition, a central round hole (601) for the front end of the camera module (200) to penetrate out is formed in the center of the top of the upper cover (600), and the upper cover (600) is used for being buckled with the base (100) so as to protect the parts inside the base (100) and the upper cover (600);
The bottom of the base (100) is provided with a first step part (101), and the first step part (101) is used for supporting the bottom of the upper cover (600); gaps (110) for installing a driving mechanism (500) are formed in four side edges of the base (100), and the driving mechanism (500) is installed on the gaps (110) to provide power in the X-axis and Y-axis directions for the camera module (200);
The driving mechanism (500) comprises a coil (501), a magnetic conductive plate (502) and an FPC (503); the coil (501) and the magnetic conductive plate (502) are respectively positioned at two sides of the FPC (503), the coil (501) is electrically connected with the FPC (503), and the magnetic conductive plate (502) is bonded with the FPC (503); the coil (501) comprises a winding coil and an FPC etching coil;
The upper elastic piece (400) is positioned at the top of the base (100) and used for connecting the camera module (200) and the base (100), and the upper elastic piece (400) is respectively connected with the camera module (200) and the base (100);
A gap is reserved between the bottom of the inner cavity of the base (100) and the bottom of the fixed camera module (200), and a ball (300) is arranged at the center of the bottom of the inner cavity of the base (100) and the bottom of the fixed camera module (200).
2. The anti-shake pan-tilt motor of claim 1, wherein the coil (501) is a wound coil, the void (110) includes a hollowed portion (111) formed on a side edge of the base (100), a first mounting groove (112) and a second mounting groove (113), wherein the hollowed portion (111) is used for mounting the coil (501), the first mounting groove (112) is used for mounting the magnetic conductive plate (502), and the second mounting groove (113) is used for mounting the FPC (503).
3. The anti-shake pan-tilt motor of claim 1, wherein the coil (501) is an FPC etched coil, the void (110) includes a first mounting groove (112) and a second mounting groove (113) formed on a side of the base (100), the first mounting groove (112) is used for mounting the magnetic conductive plate (502), and the second mounting groove (113) is used for mounting the FPC (503).
4. The anti-shake pan-tilt motor of claim 1, wherein the connection between the upper spring plate (400) and the camera module (200) and the base (100) includes hot riveting, clamping, dispensing, soldering and laser welding.
5. The anti-shake pan-tilt motor according to claim 1, wherein a first arc-shaped groove (301) adapted to the ball (300) is formed at the bottom of the inner cavity of the base (100), and a second arc-shaped groove (302) adapted to the ball (300) is formed at the bottom of the fixed camera module (200).
6. The anti-shake pan-tilt motor according to claim 5, wherein the sum of the radians of the circular arcs of the cross sections of the first arc-shaped groove (301) and the second arc-shaped groove (302) is smaller than 360 °, i.e. the rotation of the fixed camera module (200) in the X-axis direction and the Y-axis direction about the ball (300) can be ensured.
7. The anti-shake pan-tilt motor of claim 6, wherein the cross sections of the first arc-shaped groove (301) and the second arc-shaped groove (302) are both minor arcs.
8. The anti-shake pan-tilt motor of claim 1, wherein the angular deflection is achieved using a plurality of balls.
9. A camera device comprising the anti-shake pan-tilt motor according to any one of claims 1 to 8.
10. An electronic device comprising the camera device of claim 9 to perform a photographing function; the electronic equipment comprises a mobile phone, a computer and a tablet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010016056.1A CN111083340B (en) | 2020-01-08 | 2020-01-08 | Anti-shake pan-tilt motor, camera device and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010016056.1A CN111083340B (en) | 2020-01-08 | 2020-01-08 | Anti-shake pan-tilt motor, camera device and electronic equipment |
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| Publication Number | Publication Date |
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| CN111083340A CN111083340A (en) | 2020-04-28 |
| CN111083340B true CN111083340B (en) | 2024-07-09 |
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| CN202010016056.1A Active CN111083340B (en) | 2020-01-08 | 2020-01-08 | Anti-shake pan-tilt motor, camera device and electronic equipment |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963846A (en) * | 2020-08-25 | 2020-11-20 | 东莞市亚登电子有限公司 | Miniature anti-shake cradle head |
| CN111988512B (en) * | 2020-08-31 | 2022-05-13 | 维沃移动通信有限公司 | Electronic equipment and camera module thereof |
| CN111901530B (en) * | 2020-08-31 | 2022-01-14 | 维沃移动通信有限公司 | Electronic equipment and camera module thereof |
| CN112040127B (en) * | 2020-08-31 | 2022-01-25 | 维沃移动通信有限公司 | Electronic equipment and camera module thereof |
| CN112202992B (en) * | 2020-09-18 | 2022-06-10 | 维沃移动通信有限公司 | Camera module and electronic equipment with same |
| CN112311993A (en) * | 2020-11-12 | 2021-02-02 | 昆山丘钛光电科技有限公司 | Cloud platform module, camera device and electronic equipment |
| WO2022120534A1 (en) * | 2020-12-07 | 2022-06-16 | 深圳市大疆创新科技有限公司 | Optical image stabilizer, optical imaging device, movable platform, and handheld gimbal |
| CN112503341B (en) * | 2020-12-15 | 2022-07-22 | 维沃移动通信有限公司 | Electronic equipment and camera device thereof |
| CN112886788B (en) * | 2021-03-08 | 2022-06-07 | Oppo广东移动通信有限公司 | Voice coil motor, camera and electronic equipment |
| CN112965320B (en) * | 2021-05-19 | 2021-08-13 | 新思考电机有限公司 | Anti-shake mechanism, lens drive device, imaging device, and electronic apparatus |
| CN115442528B (en) * | 2022-08-31 | 2024-05-14 | 维沃移动通信有限公司 | Camera module and electronic equipment |
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| CN211127938U (en) * | 2020-01-08 | 2020-07-28 | 新思考电机有限公司 | Anti-shake pan-tilt motor, camera device and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106357990A (en) * | 2016-08-29 | 2017-01-25 | 昆山丘钛微电子科技有限公司 | Dual-camera device with anti-vibration function |
| CN206077561U (en) * | 2016-08-29 | 2017-04-05 | 昆山丘钛微电子科技有限公司 | The Double-camera device of tool stabilization function |
| CN208420000U (en) * | 2018-08-01 | 2019-01-22 | 广东嘉勇科技发展有限公司 | A kind of on-vehicle navigation apparatus with video call function |
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| CN211127938U (en) * | 2020-01-08 | 2020-07-28 | 新思考电机有限公司 | Anti-shake pan-tilt motor, camera device and electronic equipment |
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