CN113589543A - Anti-shake system, movable structure, lens drive, image pickup apparatus, and electronic device - Google Patents
Anti-shake system, movable structure, lens drive, image pickup apparatus, and electronic device Download PDFInfo
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- CN113589543A CN113589543A CN202110931942.1A CN202110931942A CN113589543A CN 113589543 A CN113589543 A CN 113589543A CN 202110931942 A CN202110931942 A CN 202110931942A CN 113589543 A CN113589543 A CN 113589543A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
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- Optics & Photonics (AREA)
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Abstract
The invention relates to a module type optical anti-shake system, a movable structure, a lens drive, an image pickup device and an electronic apparatus. It has solved current anti-shake thrust subalternation technical problem. The module type optical anti-shake system comprises a fixed outer frame; the anti-shake middle frame is positioned in the fixed outer frame; the anti-shake middle frame is rotationally connected with the fixed outer frame and rotates around the X axis; the anti-shake inner frame is positioned in the anti-shake middle frame; the anti-shake inner frame is rotatably connected with the anti-shake middle frame and rotates around the Y axis; the X-axis motor driving mechanism drives the anti-shake middle frame to rotate around an X axis; and the Y-axis motor driving mechanism drives the anti-shake inner frame to rotate around the Y axis. The invention has the advantages that: utilize step motor, worm wheel and worm's synergism, solved the little problem of electromagnetic type structure moment in the module anti-shake, the worm wheel and worm structure has the auto-lock characteristic simultaneously, rotation that can be more stable utilizes step drive simultaneously, can obtain a great turned angle.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a modular optical anti-shake system, a movable structure, a lens driving device, a camera device and electronic equipment.
Background
The transmission is applied to the motor in the field of making a video recording and it generally adopts the lorentz force that magnetite and coil produced to go the drive, can realize anti-shake and focus.
The existing module type anti-shake technology is an electromagnetic structure, the thrust is small, only small-angle anti-shake and rotation can be achieved through a moving magnetic structure between the side wall of the module and the outer frame, the electromagnetic structure is easy to shake, the elastic piece is structurally required to stabilize, the whole process is complex, the pin quantity is low, the design is unreasonable, and great limitation exists in use.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a modular optical anti-shake system, a movable structure, a lens drive, an image pickup apparatus, and an electronic device that can solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the module type optical anti-shake system comprises a fixed outer frame;
the anti-shake middle frame is positioned in the fixed outer frame;
the anti-shake middle frame is rotationally connected with the fixed outer frame and rotates around the X axis;
the anti-shake inner frame is positioned in the anti-shake middle frame;
the anti-shake inner frame is rotatably connected with the anti-shake middle frame and rotates around the Y axis;
the X-axis motor driving mechanism drives the anti-shake middle frame to rotate around an X axis;
and the Y-axis motor driving mechanism drives the anti-shake inner frame to rotate around the Y axis.
In the above-mentioned modular optical anti-shake system, the anti-shake middle frame is rotatably connected to the fixed outer frame via the first connecting shafts distributed along the X-axis.
In the above module type optical anti-shake system, the X-axis motor driving mechanism includes an X-axis stepping motor, an output shaft of the X-axis stepping motor is connected to a first worm, and the first worm is engaged with a first worm wheel fixed to a first connecting shaft.
In the above module type optical anti-shake system, the anti-shake inner frame is rotatably connected to the anti-shake inner frame through second connecting shafts distributed along the Y axis.
In the above module type optical anti-shake system, the Y-axis motor driving mechanism includes a Y-axis stepping motor fixed on the anti-shake middle frame, an output shaft of the Y-axis stepping motor is connected with a second worm, and the second worm is engaged with a second worm wheel fixed on the second connecting shaft.
In the above module type optical anti-shake system, there are two second connecting shafts, one of the second connecting shafts extends outward to the outer wall of the anti-shake middle frame along the axial direction of the second connecting shaft, and the second worm wheel is fixed at one end of the second connecting shaft which extends outward to the outer wall of the anti-shake middle frame along the axial direction.
In the module type optical anti-shake system, the Y-axis stepping motor is connected to a bending type elastic power supply plate fixed to the base, and the bending type elastic power supply plate is stretched or compressed when the anti-shake inner frame rotates around the Y axis.
In foretell module formula optics anti-shake system, be equipped with the second mount at anti-shake center outer wall, be connected with the stiffening plate on the second mount, the one end that the second connecting axle axial outwards stretches out to anti-shake center outer wall rotates with the stiffening plate to be connected.
The Y-axis stepping motor is fixed on the second fixing frame, and the second worm is rotationally connected with the second fixing frame.
In the above module type optical anti-shake system, the anti-shake middle frame and the fixed outer frame are eccentrically distributed, two wall surfaces of the outer wall of the anti-shake middle frame and two wall surfaces of the inner wall of the fixed outer frame form an eccentric large installation space, and the X-axis motor driving mechanism and the Y-axis motor driving mechanism are respectively arranged in the eccentric large installation space.
In the above module type optical anti-shake system, the inner wall of the fixed outer frame is provided with a first limiting inner boss for limiting the rotation angle of the anti-shake middle frame around the X axis.
In the above module type optical anti-shake system, the inner wall of the anti-shake middle frame is provided with a second limiting inner boss for limiting the rotation angle of the anti-shake inner frame around the Y axis.
In the above-mentioned modular optical anti-shake system, the upper and lower edges of each of the two side portions of the anti-shake middle frame parallel to the X-axis are respectively provided with a first chamfer.
In the above module type optical anti-shake system, the outer edge of the upper end of the fixed outer frame is provided with a second chamfer, and the outer edge of the upper end of the anti-shake inner frame is provided with a third chamfer.
The invention further provides a modular movable structure with anti-shake function, a modular optical anti-shake system with the modular movable structure, and
the lens bearing body is fixed in the anti-shake inner frame.
In the above module type movable structure with anti-shake function, the movable structure further comprises a sensor component fixed at the lower end of the lens bearing body, and the sensor component is connected with a bending type flexible power supply board arranged on the base.
In foretell module formula movable structure of taking anti-shake, the flexible power supply board of formula of bending include that sensor connection portion of bending and base connecting portion, sensor connection portion of bending and base connecting portion pass through middle part U-shaped portion and connect, middle part U-shaped portion is unsettled in anti-shake inside casing below, is equipped with the pressure relief vent that sets up along middle part U-shaped portion length direction in middle part U-shaped portion.
The invention further provides a lens driving device which is provided with the module type movable structure with the anti-shaking function.
The invention further provides an image pickup apparatus having the lens driving apparatus.
The invention further provides an electronic device which is provided with the camera device.
Compared with the prior art, the invention has the advantages that:
utilize the motor drive mode, especially step motor, worm wheel and worm's synergism, solved the little problem of electromagnetic type structure moment in the module anti-shake, the worm wheel and worm structure has the auto-lock characteristic simultaneously, rotation that can be more stable, and with the electromagnetic type structure contrast, the structure of shell fragment has been reduced, utilizes step drive simultaneously, can obtain a great turned angle.
Secondly, use step motor collocation worm gear's structure to carry out the anti-shake, compare the original structure, reduced the quantity of part article, simultaneously new scheme can obtain great moment of torsion and bigger turned angle, and step motor can obtain a higher rotational accuracy when carrying out vector composition drive simultaneously in the drive, and step motor slew velocity advantage such as fast has greatly promoted ageing, accuracy and the stability of anti-shake.
Drawings
Fig. 1 is a schematic perspective view of an anti-shake system according to the present invention.
Fig. 2 is a schematic structural view of fig. 1 with the housing removed.
Fig. 3 is a schematic structural diagram of an anti-shake system with lenses according to the present invention.
The enlarged structure of the section B-B in FIG. 3 is shown in FIG. 4.
An enlarged schematic view taken along line A-A in FIG. 3 of FIG. 5.
Fig. 6 is an enlarged schematic view of a portion a in fig. 4.
Fig. 7 is an enlarged structural diagram b in fig. 4.
Fig. 8 is an enlarged schematic view of the structure at c in fig. 5.
Fig. 9 is an enlarged schematic view of d in fig. 5.
Fig. 10 is a schematic structural view of fig. 2 with the fixing frame removed.
Fig. 11 is a schematic view of fig. 10 from another perspective.
Fig. 12 is a schematic structural view of a fixing outer frame provided by the present invention.
Fig. 13 is a schematic structural diagram of an anti-shake middle frame provided by the present invention.
Fig. 14 is a schematic structural view of a second fixing frame provided by the present invention.
Fig. 15 is a schematic structural diagram of the bent flexible power supply board provided by the present invention.
Fig. 16 is a schematic structural diagram of an image pickup apparatus according to the present invention.
Fig. 17 is a schematic structural diagram of an electronic device provided in the present invention.
In the figure, a fixed outer frame 1, a first limiting inner boss 10, a second chamfer 11, an open slot 12, a first shaft sleeve 13, an anti-shake middle frame 2, a second limiting inner boss 2a, a first connecting shaft 20, a second fixed frame 21, a reinforcing plate 22, a first chamfer 23, an outer convex block 24, an anti-shake inner frame 3, a second connecting shaft 30, a third chamfer 31, an inverted open slot 32, a second shaft sleeve 33, a second shaft hole 34 and an X-axis motor driving mechanism 4, the device comprises an X-axis stepping motor 40, a first worm 41, a first worm gear 42, a fixed support 43, a Y-axis motor driving mechanism 5, a Y-axis stepping motor 50, a second worm 51, a second worm gear 52, a bent elastic power supply plate 53, a base 6, a shell 60, a lens carrier 7, a sensor assembly 8, a bent flexible power supply plate 9, a sensor connecting bent part 90, a base connecting part 91, a middle U-shaped part 92 and a pressure reducing hole 93.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
The X axis and the Y axis of this embodiment are located on a horizontal plane and are connected vertically, while the Z axis is perpendicular to the intersection point of the X axis and the Y axis, and the Z axis can be understood as an optical axis.
As shown in fig. 1 and fig. 2, the module type optical anti-shake system includes a fixed outer frame 1, the fixed outer frame 1 is fixed on a base 6, and the base 6 is a flat plate structure.
The anti-shake middle frame 2 is positioned in the fixed outer frame 1; preferably, the anti-shake middle frame 2 and the fixed outer frame 1 of the present embodiment are eccentrically distributed to meet the assembly requirement of the installation avoidance space.
The anti-shake middle frame 2 is rotationally connected with the fixed outer frame 1, and the anti-shake middle frame 2 rotates around an X axis; further, the anti-shake middle frame 2 is rotatably connected with the fixed outer frame 1 through first connecting shafts 20 distributed along the X-axis.
Preferably, as shown in fig. 2 to 12, two first connecting shafts 20 of the present embodiment are arranged with their axes coinciding with each other, and the two first connecting shafts 20 are arranged on two sides of the X axis, the outer end of each first connecting shaft 20 is rotatably connected to the fixed outer frame 1, the inner end of each first connecting shaft 20 is fixed to the anti-shake middle frame 2, and when any one first connecting shaft 20 rotates around the X axis, the anti-shake middle frame 2 is driven to rotate around the X axis, so as to achieve anti-shake.
As shown in fig. 2, an X-axis motor driving mechanism 4 drives the anti-shake middle frame 2 to rotate around the X-axis; specifically, the X-axis motor drive mechanism 4 of the present embodiment includes an X-axis stepping motor 40, and a first worm 41 is connected to an output shaft of the X-axis stepping motor 40, and the first worm 41 meshes with a first worm wheel 42 fixed to the first connecting shaft 20. The first worm wheel 42 is sleeved on any one of the first connecting shafts 20 and is circumferentially and fixedly connected with the same to meet the driving requirement.
Of course, in order to make the overall structure more compact and the layout more reasonable. And two wall surfaces of the outer wall of the anti-shake middle frame 2 and two wall surfaces of the inner wall of the fixed outer frame 1 form an eccentric large installation space, and the X-axis motor driving mechanism 4 is arranged in the eccentric large installation space.
Next, the X-axis stepping motor 40 is fixed to the inner wall of the fixed frame 1 by the fixing bracket 43, that is, the fixing bracket 43 is fixed to the inner wall of the fixed frame 1.
In addition, as shown in fig. 6, 7 and 12, an open slot 12 is respectively formed at two opposite side portions of the fixed outer frame 1, a first shaft sleeve 13 is sleeved at an outer end of the first connecting shaft 20, and the first shaft sleeve 13 is fixed at the bottom of the open slot 12 to realize rotational connection. The first sleeve 13 is a T-shaped sleeve, which can enlarge a connection area with the open groove 12 to further improve rotational stability. Meanwhile, the opposite two sides of the anti-shake middle frame 2 are respectively provided with a first shaft hole, each first shaft hole is connected with a first connecting shaft 20, and the first connecting shafts 20 and the first shaft holes are circumferentially and fixedly connected.
The anti-shake inner frame 3 is positioned in the anti-shake middle frame 2; the axial lead of the anti-shake inner frame 3 is superposed with the axial lead of the anti-shake middle frame 2, so that the structure compactness is ensured.
The anti-shake inner frame 3 is rotatably connected with the anti-shake middle frame 2, and the anti-shake inner frame 3 rotates around the Y axis; preferably, the anti-shake inner frame 3 is rotatably connected with the anti-shake inner frame 2 through second connecting shafts 30 distributed along the Y-axis. Namely, the second connecting shaft 30 is fixedly connected with the anti-shake inner frame 3, and the second connecting shaft 30 is rotatably connected with the anti-shake inner frame 2.
Secondly, there are two second connecting shafts 30, and the outer end of one second connecting shaft 30 extends outwards to the outer wall of the anti-shake middle frame 2 along the axial direction of the second connecting shaft 30. The outer end of the other second connecting shaft 30 is rotatably connected with an inverted open slot 32 on the anti-shake middle frame 2. Namely, the second shaft sleeves 33 are sleeved at the outer ends of the two second connecting shafts 30, one of the second shaft sleeves 33 is positioned in the inverted open groove 32 and is rotatably connected with the inverted open groove 32, and meanwhile, the second shaft sleeve 33 is also a T-shaped sleeve.
The inner end of each second connecting shaft 30 is fixedly connected with second shaft holes 34 on two opposite sides of the anti-shake inner frame 3 in a one-to-one circumferential direction.
As shown in fig. 2, 8, 9 and 13, the Y-axis motor driving mechanism 5 drives the anti-shake inner frame 3 to rotate around the Y-axis. The Y-axis motor driving mechanism 5 is arranged in the eccentric large installation space. Specifically, the Y-axis motor driving mechanism 5 of the present embodiment includes a Y-axis stepping motor 50 fixed to the anti-shake middle frame 2, a second worm 51 is connected to an output shaft of the Y-axis stepping motor 50, and the second worm 51 is engaged with a second worm wheel 52 fixed to the second connecting shaft 30. Further, as shown in fig. 10 and 14, a second fixing frame 21 is disposed on an outer wall of the anti-shake middle frame 2, a reinforcing plate 22 is connected to the second fixing frame 21, and one end of the second connecting shaft 30, which axially extends outward to the outer wall of the anti-shake middle frame 2, is rotatably connected to the reinforcing plate 22. Namely, the second sleeve 33 connected to the second connecting shaft 30 and extending axially outward to the outer wall of the anti-shake middle frame 2 is rotatably connected to the reinforcing plate 22.
Further, an inverted U-shaped groove is formed at the lower end of the reinforcing plate 22, and the second bushing 33 is fixed in the inverted U-shaped groove.
As shown in fig. 10 and 11, the Y-axis stepping motor 50 is connected to a flexible circuit board 54 fixed to the base 6.
As shown in fig. 8 and 9, the Y-axis stepping motor 50 is fixed to the second fixing frame 21 and the second worm 51 is rotatably connected to the second fixing frame 21. In order to further improve the fixed stability, outer convex block 24 that is equipped with two relative distributions at the outer wall of anti-shake center frame 2, the one end that its output shaft was kept away from to Y axle step motor 50 is fixed in one of them outer convex block 24, and second mount 21 then is located between two outer convex blocks 24, and second mount 21 is the U-shaped, reinforcing plate 22 extends to the U-shaped mouth middle part of second mount 21, the middle part of second mount 21 is fixed in anti-shake center frame 2 outer wall through the riveting post, can also add glue between the middle part of second mount 21 and anti-shake center frame 2 outer wall, with further improvement joint strength.
One end of the second fixing frame 21 close to the Y-axis stepping motor 50 is provided with a worm through hole, the other end of the second fixing frame 21 is provided with a worm mounting shaft hole, and the second worm 51 penetrates through the worm through hole and extends into the worm mounting shaft hole to be rotatably connected with the worm mounting shaft hole, wherein the rotary connection can be realized by using a bearing or a shaft sleeve.
Preferably, as shown in fig. 10, the Y-axis stepping motor 50 is connected to a bent elastic power supply plate 53 fixed to the base 6, and the bent elastic power supply plate 53 is stretched or compressed when the anti-shake inner frame 3 rotates around the Y-axis. The bending type elastic power supply plate 53 is a continuously bent wave-shaped structure, and can be stretched or compressed together with the rotation of the anti-shake inner frame 3 around the Y axis due to certain elasticity, so that power supply is realized.
In order to ensure rotational driving stability, as shown in fig. 9 and 12, a first limiting inner boss 10 for limiting the rotational angle of the anti-shake middle frame 2 about the X-axis is provided on the inner wall of the fixed outer frame 1. The first limiting inner boss 10 is elongated and has one piece, which is located in a narrow space of the fixed outer frame 1 and the anti-shake middle frame 2 and the first limiting inner boss 10 is parallel to the X-axis.
Next, as shown in fig. 6, 7, and 13, a second limiting inner boss 2a for limiting a rotation angle of the anti-shake inner frame 3 about the Y axis is provided on an inner wall of the anti-shake inner frame 2. The number of the second limiting inner bosses 2a is two, the two second limiting inner bosses 2a are distributed on the inner walls of the two opposite side portions of the anti-shake middle frame 2, and the two second limiting inner bosses 2a are parallel to the Y axis.
The first limiting inner boss 10 and the second limiting inner boss 2a are used for limiting the limiting positions, and the use reliability is ensured.
As shown in fig. 10 to 13, first chamfers 23 are provided on the upper and lower sides of each of the two side portions of the anti-shake frame 2 parallel to the X axis. A second chamfer 11 is arranged at the outer edge of the upper end of the fixed outer frame 1, and a third chamfer 31 is arranged at the outer edge of the upper end of the anti-shake inner frame 3.
The design of chamfer it can form dodging to and improve the packaging efficiency.
A housing 60 is mounted on the base 6 to protect the internal components.
The working principle of the embodiment is as follows:
when the X-axis motor driving mechanism 4 is powered on, the X-axis motor driving mechanism 4 drives the anti-shake middle frame 2 to rotate around the X axis, namely, the axis of the first connecting shaft 20, so that anti-shake is realized.
When the Y-axis motor driving mechanism 5 is powered on, the Y-axis motor driving mechanism 5 drives the anti-shake inner frame 3 to rotate around the Y axis, that is, around the axis of the second connecting shaft 30, so as to realize anti-shake.
Certainly, the X-axis and Y-axis anti-shaking can be performed synchronously, multi-axis simultaneous anti-shaking is realized, and the anti-shaking purpose is really achieved.
In addition, in this embodiment, a motor driving manner, particularly a cooperation effect of the stepping motor, the worm wheel and the worm, is utilized to solve the problem of small torque of the electromagnetic structure in the module anti-shake, and meanwhile, the worm wheel and worm structure has a self-locking characteristic and can rotate more stably, compared with the electromagnetic structure, the structure of the elastic sheet is reduced, and meanwhile, a larger rotation angle can be obtained by utilizing the stepping driving manner.
Secondly, use step motor collocation worm gear's structure to carry out the anti-shake, compare the original structure, reduced the quantity of part article, simultaneously new scheme can obtain great moment of torsion and bigger turned angle, and step motor can obtain a higher rotational accuracy when carrying out vector composition drive simultaneously in the drive, and step motor slew velocity advantage such as fast has greatly promoted ageing, accuracy and the stability of anti-shake.
Example two
As shown in fig. 1, 4 and 15, the present embodiment provides a modular active structure with anti-shake function, having the modular optical anti-shake system of the first embodiment, and
a lens bearing member 7, the lens bearing member 7 is fixed in the anti-shake inner frame 3. The lens carrier 7 may be an AF motor or a single carrier.
Furthermore, the movable structure further comprises a sensor assembly 8 fixed at the lower end of the lens carrier 7, and the sensor assembly 8 is connected with a bent flexible power supply board 9 installed on the base 6. The sensor assembly 8 is a hall sensor for detecting a position of the lens carrier 7 after movement, i.e., a position on the optical axis.
Preferably, the flexible power supply board of the bending type 9 of this embodiment includes the sensor connection bending portion 90 and the base connecting portion 91, the sensor connection bending portion 90 and the base connecting portion 91 are connected through the middle U-shaped portion 92, the middle U-shaped portion 92 is suspended below the anti-shake inner frame 3, and the pressure reducing hole 93 is formed in the middle U-shaped portion 92 along the length direction of the middle U-shaped portion 92. The pressure relief hole 93 can satisfy the deformation resistance when rotating about the X axis and the Y axis.
The U-shaped opening of the middle U-shaped portion 92 faces one side of the anti-shake middle frame 2 along the X-axis.
The bent flexible power supply plate 9 also supplies power to the AF motor.
In the present embodiment
The sensor assembly 8 is dynamically powered by the bent flexible power supply plate 9, and the sensor assembly is adaptive to deformation resistance during rotation around an X axis and a Y axis.
EXAMPLE III
Based on the second embodiment, as shown in fig. 16, the present embodiment provides an image pickup apparatus having the modular movable structure with anti-shake described in the second embodiment. Such as a module with a lens, etc.
Example four
Based on the third embodiment, as shown in fig. 17, the present embodiment provides an electronic apparatus having the image pickup device described in the third embodiment. Such as a cell phone or the like.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (19)
1. Modular optical anti-shake system, including fixed frame (1), its characterized in that, this system still includes:
the anti-shake middle frame (2) is positioned in the fixed outer frame (1);
the anti-shake middle frame (2) is rotatably connected with the fixed outer frame (1) and the anti-shake middle frame (2) rotates around an X axis;
the anti-shake inner frame (3) is positioned in the anti-shake middle frame (2);
the anti-shake inner frame (3) is rotatably connected with the anti-shake middle frame (2), and the anti-shake inner frame (3) rotates around the Y axis;
the X-axis motor driving mechanism (4) drives the anti-shake middle frame (2) to rotate around an X axis;
and the Y-axis motor driving mechanism (5) drives the anti-shake inner frame (3) to rotate around the Y axis.
2. The modular optical anti-shake system according to claim 1, wherein the anti-shake middle frame (2) is rotatably connected to the fixed outer frame (1) by first connecting shafts (20) distributed along the X-axis.
3. The modular optical anti-shake system according to claim 2, wherein the X-axis motor drive mechanism (4) comprises an X-axis stepping motor (40), a first worm (41) is connected to an output shaft of the X-axis stepping motor (40), and the first worm (41) is engaged with a first worm wheel (42) fixed to the first connecting shaft (20).
4. Modular optical anti-shake system according to claim 1, wherein the anti-shake inner frame (3) is rotatably connected to the anti-shake inner frame (2) by second connecting shafts (30) distributed along the Y-axis.
5. The modular optical anti-shake system according to claim 4, wherein the Y-axis motor driving mechanism (5) comprises a Y-axis stepping motor (50) fixed on the anti-shake middle frame (2), a second worm (51) is connected to an output shaft of the Y-axis stepping motor (50), and the second worm (51) is engaged with a second worm wheel (52) fixed on the second connecting shaft (30).
6. The modular optical anti-shake system according to claim 5, wherein the number of the second connecting shafts (30) is two, the outer end of one second connecting shaft (30) extends axially outward along the second connecting shaft (30) to the outer wall of the anti-shake middle frame (2), and the second worm gear (52) is fixed at one end of the second connecting shaft (30) extending axially outward to the outer wall of the anti-shake middle frame (2).
7. The modular optical anti-shake system according to claim 5, wherein the Y-axis stepping motor (50) is connected to a bent elastic power supply plate (53) fixed to the base (6), and the bent elastic power supply plate (53) is stretched or compressed when the anti-shake inner frame (3) rotates around the Y-axis.
8. The modular optical anti-shake system according to claim 6, wherein a second fixing frame (21) is provided on the outer wall of the anti-shake middle frame (2), a reinforcing plate (22) is connected to the second fixing frame (21), and one end of the second connecting shaft (30) axially extending outward to the outer wall of the anti-shake middle frame (2) is rotatably connected to the reinforcing plate (22).
9. The modular optical anti-shake system according to claim 1, wherein the anti-shake middle frame (2) and the fixed outer frame (1) are eccentrically distributed, and two walls of the outer wall of the anti-shake middle frame (2) and two walls of the inner wall of the fixed outer frame (1) form an eccentric large installation space, and the X-axis motor driving mechanism (4) and the Y-axis motor driving mechanism (5) are respectively disposed in the eccentric large installation space.
10. The modular optical anti-shake system according to claim 1 or 9, wherein the inner wall of the fixed outer frame (1) is provided with a first limiting inner boss (10) for limiting the rotation angle of the anti-shake middle frame (2) around the X-axis.
11. A modular optical anti-shake system according to claim 1 or 9, wherein the inner wall of the anti-shake inner frame (2) is provided with a second limiting inner boss (22) for limiting the rotation angle of the anti-shake inner frame (3) around the Y-axis.
12. The modular optical anti-shake system according to claim 1 or 9, wherein the anti-shake frame (2) has a first chamfer (23) on each of the upper and lower sides of the two sides parallel to the X-axis.
13. A modular optical anti-shake system according to claim 1 or 9, characterised in that the outer upper edge of the fixed outer frame (1) is provided with a second chamfer (11) and the outer upper edge of the anti-shake inner frame (3) is provided with a third chamfer (31).
14. Modular active structure with anti-shake, characterised by a modular optical anti-shake system according to any of claims 1-13, and
the lens bearing body (7), the lens bearing body (7) is fixed in the anti-shake inner frame (3).
15. Modular activity structure with anti-shake, according to claim 14, characterized by that, it further comprises a sensor module (8) fixed to the lower end of the lens carrier (7), said sensor module (8) being connected to a flexible power supply board (9) mounted on the base (6).
16. The modular movable structure with the anti-shake function according to claim 15, wherein the flexible bending power supply board (9) comprises a sensor connecting bending part (90) and a base connecting part (91), the sensor connecting bending part (90) and the base connecting part (91) are connected through a middle U-shaped part (92), the middle U-shaped part (92) is suspended below the anti-shake inner frame (3), and a pressure reducing hole (93) is formed in the middle U-shaped part (92) along the length direction of the middle U-shaped part (92).
17. Lens driving device, characterized in that it has a modular moving structure with anti-shake, according to any of claims 14-16.
18. An image pickup apparatus comprising the lens driving apparatus according to claim 17.
19. An electronic apparatus comprising the imaging device according to claim 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110931942.1A CN113589543B (en) | 2021-08-13 | 2021-08-13 | Anti-shake system, movable structure, lens driving device, image pickup device, and electronic apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110931942.1A CN113589543B (en) | 2021-08-13 | 2021-08-13 | Anti-shake system, movable structure, lens driving device, image pickup device, and electronic apparatus |
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| CN113589543B CN113589543B (en) | 2023-09-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117991567A (en) * | 2024-04-07 | 2024-05-07 | 新思考电机有限公司 | Lens driving mechanism and camera module |
| CN117991567B (en) * | 2024-04-07 | 2024-06-04 | 新思考电机有限公司 | Lens driving mechanism and camera module |
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| CN117991567B (en) * | 2024-04-07 | 2024-06-04 | 新思考电机有限公司 | Lens driving mechanism and camera module |
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| Publication number | Publication date |
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| CN113589543B (en) | 2023-09-26 |
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