CN114815116B - Optical element driving device, image pickup device, and mobile terminal - Google Patents
Optical element driving device, image pickup device, and mobile terminal Download PDFInfo
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- CN114815116B CN114815116B CN202210530933.6A CN202210530933A CN114815116B CN 114815116 B CN114815116 B CN 114815116B CN 202210530933 A CN202210530933 A CN 202210530933A CN 114815116 B CN114815116 B CN 114815116B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 56
- 210000000078 claw Anatomy 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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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
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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
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
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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
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
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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
- G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
The invention provides an optical element driving device, an image pickup device and a mobile terminal. The optical element driving device includes: a housing; the shell is covered on the base and forms an accommodating space with the base; the bearing seat is movably arranged in the accommodating space, and one side of the base, which faces the bearing seat, is provided with balls, and the bearing seat is in movable contact with the balls; the deflector rod assembly, at least a part of the deflector rod assembly is rotatably arranged on the base, and the deflector rod assembly is in driving connection with the bearing seat; the driving assembly is in driving connection with the deflector rod assembly; when the driving assembly is electrified, at least one part of the driving assembly moves relative to the base and drives the deflector rod assembly to rotate relative to the base so as to drive the bearing seat to slide relative to the ball and incline relative to the Z axis. The invention solves the problem of poor use performance of the driving device of the camera device in the prior art.
Description
Technical Field
The present invention relates to the field of imaging devices, and in particular, to an optical element driving device, an imaging device, and a mobile terminal.
Background
A video camera or a still camera usually employs a lens with adjustable focal length or automatic focusing, and the adjustment process is to change the position of the lens or an image sensor, and a driving motor is usually used for driving the lens and the image sensor to move. At present, the automatic focusing of a camera head of a handheld camera device, especially a mobile phone, is basically completed by using a Voice Coil Motor (VCM), which is a system composed of a Coil and a magnet. The coil after being electrified is subjected to electromagnetic force in a magnetic field, the winding carrier is driven to linearly move along the optical axis direction (namely Z axis) of the lens under the action of the electromagnetic force, and the winding carrier finally stays at a position point when the resultant force of the electromagnetic force generated between the annular coil and the driving magnet and the elastic force of the upper spring and the lower spring reaches a phase equilibrium state.
Although the voice coil motor has the advantages of mature technology, low cost, low noise and the like, along with the increase of the requirement of the camera device on the camera shooting, the voice coil motor has the problems of magnetic interference, insufficient thrust and unstable structure and performance. For example: the double-shooting motor is developed and applied to various middle and high-end mobile phones, but certain puzzlement difficulty exists in the practical application process, particularly, a certain degree of magnetic interference phenomenon exists between two double-shooting motors, the normal performance of the effect of the double-shooting motors is influenced, the defect cannot be avoided by the voice coil motor, and meanwhile, various improvement schemes are easy to cause the complexity of the motor structure and the improvement of the assembly process difficulty; electric conduction and connection assembly among all parts in the voice coil motor are achieved through welding, hot riveting, glue dispensing and the like, meanwhile, the coil is electrified and needs to be communicated through an upper spring and a lower spring, so that the electrified passage of the coil is long, the voice coil motor parts are more in number and need to be welded, hot riveting and glue dispensing positions are more, once the mobile phone is subjected to external forces such as falling impact, the motor is easy to cause the phenomena that an internal welding point or a glue dispensing position is pulled to fall off or a spring deforms due to external force oscillation, finally, the electric performance and the combined structure inside the motor are damaged, the normal performance of the motor is influenced, and adverse consequences are brought to a shooting effect.
Therefore, the driving device of the imaging device in the prior art has the problem of poor service performance.
Disclosure of Invention
The invention mainly aims to provide an optical element driving device, an image pickup device and a mobile terminal, so as to solve the problem that the driving device of the image pickup device in the prior art is poor in use performance.
In order to achieve the above object, according to one aspect of the present invention, there is provided an optical element driving device including: a housing; the shell is covered on the base and forms an accommodating space with the base; the bearing seat is movably arranged in the accommodating space, one side of the base, facing the bearing seat, is provided with a ball, and the bearing seat is in movable contact with the ball; the deflector rod assembly, at least one part of the deflector rod assembly is rotatably arranged on the base, and the deflector rod assembly is in driving connection with the bearing seat; the driving assembly is in driving connection with the deflector rod assembly; when the driving assembly is powered on, at least one part of the driving assembly moves relative to the base and drives the deflector rod assembly to rotate relative to the base so as to drive the bearing seat to slide relative to the ball and incline relative to the Z axis.
Furthermore, the driving lever assembly comprises at least two groups of rod bodies, each group of rod bodies comprises two rod bodies which are symmetrically arranged relative to the center of the bearing seat, the rod bodies are in driving connection with the bearing seat, the two ends of each rod body are respectively a connecting end and a movable end, and the connecting ends of the rod bodies are movably connected with the base so that the rod bodies can rotate relative to the base.
Furthermore, the two rod bodies of each group are correspondingly arranged on one group of mutually parallel side edges of the base; and/or the movable end of one rod body is arranged close to the connecting end of the other rod body relative to the connecting end in two adjacent rod bodies in different groups.
Furthermore, one of the side walls of the rod body corresponding to the bearing seat in the length direction of the rod body is provided with a driving protrusion, the other side wall of the rod body is provided with a driving groove, the extending direction of the driving groove is the same as the length direction of the rod body, the driving protrusion extends into the driving groove, and when the rod body rotates relative to the base, the driving protrusion moves along the driving groove.
Further, the body of rod has the drive groove, bears the seat and has the drive arch, and bears the seat and have the mounting groove that extends along the length direction of the body of rod or a plurality of mounting holes that set up along the length direction interval of the body of rod on corresponding the lateral wall of the body of rod, and the bellied one end of drive is fixed to be set up in the mounting groove or detachably sets up on any one mounting hole in a plurality of mounting holes.
Furthermore, the driving lever assembly further comprises a plurality of rotating shafts, the rotating shafts correspond to the rod bodies one to one, and the connecting ends of the rod bodies are movably connected with the base through the rotating shafts.
Further, the drive assembly includes: the first silk thread is a plurality of FPC boards, at least one part of the FPC boards are arranged in the accommodating space, the first end of the first silk thread is connected with the connecting end of the rod body, and the second end of the first silk thread extends towards the length direction of the rod body and is connected with the FPC boards.
Further, the optical element driving device further comprises a plurality of clips, and different first wires are connected with the FPC board through different clips.
Furthermore, the FPC boards are multiple, and different FPC boards correspond to different rod bodies respectively.
Furthermore, the FPC board comprises a first connecting section, a second connecting section and a third connecting section, the second connecting section and the third connecting section are connected with the first connecting section respectively, one end, far away from the first connecting section, of the second connecting section is connected with the chuck, one end, far away from the first connecting section, of the third connecting section is provided with a clamping jaw, the clamping jaw is connected with the connecting end of the rod body, and the first silk thread is connected with the rod body through the clamping jaw.
Further, one end of the third connecting section, which is far away from the first connecting section, is a deformable end formed by bending.
Furthermore, the base is provided with a mounting column corresponding to the connecting end and the movable end of the rod body respectively, the connecting end of the rod body is movably connected with the mounting column, the chuck is arranged on the mounting column corresponding to the movable end of the rod body, and two adjacent side faces of the same mounting column correspond to the connecting end and the movable end of different rod bodies respectively.
Further, optical element drive arrangement still includes the preforming, and the preforming setting is kept away from one side of base and is connected with the erection column at bearing the seat, for bearing the seat and providing the reset force towards the base motion.
Furthermore, the optical element driving device further comprises a mounting seat, the mounting seat is arranged between the base and the bearing seat, the mounting seat is provided with a containing groove for placing the ball, the ball is arranged on the base through the mounting seat, at least one part of the ball is located in the containing groove, and at least the other part of the ball protrudes out of the containing groove.
Further, the accommodating groove is located in the center of the mounting seat.
According to another aspect of the present invention, there is provided an image pickup apparatus including the optical element driving apparatus described above.
According to another aspect of the present invention, a mobile terminal is provided, which comprises the camera device.
By applying the technical scheme of the invention, the optical element driving device comprises a shell, a base, a bearing seat, a deflector rod assembly and a driving assembly, wherein the shell is covered on the base and forms an accommodating space with the base; the bearing seat is movably arranged in the accommodating space, one side of the base, which faces the bearing seat, is provided with a ball, and the bearing seat is in movable contact with the ball; at least one part of the deflector rod assembly is rotatably arranged on the base, and the deflector rod assembly is in driving connection with the bearing seat; the driving assembly is in driving connection with the deflector rod assembly; when the driving assembly is powered on, at least one part of the driving assembly moves relative to the base and drives the deflector rod assembly to rotate relative to the base so as to drive the bearing seat to slide relative to the ball and incline relative to the Z axis.
When the optical element driving device in the application is used, the optical element in the camera module is installed on the bearing seat, and the driving lever assembly is rotatably arranged on the base and is in driving connection with the bearing seat, so that when the driving lever assembly rotates relative to the base seat, the bearing seat can be driven to roll relative to the ball and deflect relative to the Z axis, the inclination direction and the angle of the bearing seat are changed, and the anti-shake correction of the axis moving mode of the lens module is realized. In addition, the driving assembly is in driving connection with the shifting rod assembly, so that the shifting rod assembly can be driven to move relative to the base after the driving assembly is electrified. That is, in the present application, the driving coil and the driving magnet portion of the conventional voice coil motor are replaced by the lever assembly and the driving assembly of the optical element driving apparatus. In addition, since the structure of the spring and the like which are matched with the driving magnet and the driving coil is not needed, the optical element driving device in the application is simpler than the structure of the existing voice coil motor. Meanwhile, no magnet exists, so that the problem of magnetic interference inside or outside is avoided. In addition, the optical element driving device in the application has no magnetic circuit design problem, and the average thrust of the whole stroke is larger than that of an electromagnetic mode, so that the driving device is more efficient compared with the existing voice coil motor. And, there is not the upper and lower spring design of voice coil motor, falls and test such as cylinder and does not have spring deformation, nickel or foreign matter dropout problem. Therefore, the optical element driving device in the application effectively solves the problem that the driving device of the image pickup device in the prior art is poor in use performance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic configuration of an optical element driving apparatus according to an embodiment of the present invention;
fig. 2 shows an exploded view of the optical element driving apparatus of fig. 1;
fig. 3 is a schematic view showing an internal structure of the optical element driving apparatus of fig. 1;
fig. 4 is a schematic view showing a positional relationship between a ball and a mount of the optical element driving apparatus of fig. 1;
fig. 5 is a schematic diagram showing the position relationship among the shift lever assembly, the driving assembly and the carrying seat of the optical element driving device in fig. 1;
fig. 6 is a schematic diagram showing a positional relationship among the carrier, the balls, and the mount of the optical element driving apparatus of fig. 1.
Wherein the figures include the following reference numerals:
10. a housing; 20. a base; 21. an avoidance groove; 22. mounting a column; 30. a bearing seat; 31. mounting holes; 40. a deflector rod assembly; 41. a rod body; 411. a connecting end; 412. a movable end; 42. a rotating shaft; 50. a drive assembly; 51. a first wire; 53. an FPC board; 531. a first connection section; 532. a second connection section; 533. a third connection section; 534. a jaw; 60. a drive boss; 70. a drive slot; 80. a chuck; 90. a ball bearing; 100. tabletting; 200. a mounting seat; 300. a containing groove; 400. and (5) a lens.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is to be noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless stated to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.
In order to solve the problem that a driving device of an image pickup device in the prior art is poor in service performance, the application provides an optical element driving device, an image pickup device and a mobile terminal.
Note that the mobile terminal in the present application has an image pickup device, and the image pickup device in the present application has an optical element driving device described below.
As shown in fig. 1 to 6, the optical element driving apparatus of the present application includes a housing 10, a base 20, a carrier 30, a lever assembly 40, and a driving assembly 50. The housing 10 is covered on the base 20 and forms an accommodating space with the base 20; the bearing seat 30 is movably arranged in the accommodating space, a ball 90 is arranged on one side of the base 20 facing the bearing seat 30, and the bearing seat 30 is movably contacted with the ball 90; at least one part of the deflector rod assembly 40 is rotatably arranged on the base 20, and the deflector rod assembly 40 is in driving connection with the bearing seat 30; the driving assembly 50 is in driving connection with the shifting lever assembly 40; when the driving assembly 50 is powered on, at least a portion of the driving assembly 50 moves relative to the base 20 and drives the shift lever assembly 40 to rotate relative to the base 20, so as to drive the carriage 30 to slide relative to the ball 90 and to tilt relative to the Z axis.
When using the optical element drive arrangement in this application, install the optical element in the module of making a video recording on bearing seat 30, because driving lever subassembly 40 rotationally sets up on base 20 and driving lever subassembly 40 is connected with the drive of bearing seat 30, so when driving lever subassembly 40 rotates relative base 20 seat, can drive and bear the seat 30 and slide and relative Z axle skew relative ball 90 top arcwall face to change the incline direction and the angle that bear the seat, and then realize the anti-shake of axle moving mode of lens module and revise. Moreover, in the present application, since the driving assembly 50 is drivingly connected to the shift lever assembly 40, the shift lever assembly 40 can be driven to move relative to the base 20 after the driving assembly 50 is powered on. That is, in the present application, the driving coil and the driving magnet portion of the conventional voice coil motor are replaced by the lever assembly 40 and the driving assembly 50 of the optical element driving apparatus. In addition, since the structure of the spring and the like which are matched with the driving magnet and the driving coil is not needed, the optical element driving device in the application is simpler than the structure of the existing voice coil motor. Meanwhile, no magnet exists, so that the problem of magnetic interference inside or outside is avoided. And, the optical element drive arrangement in this application does not have the magnetic circuit design problem, and whole stroke dynamics average thrust is great than the electromagnetism mode, consequently compares more efficient with current voice coil motor. And, there is not upper and lower spring design of voice coil motor, fall and test such as cylinder do not have spring deformation, nickel or foreign matter drop problem. Therefore, the optical element driving device in the application effectively solves the problem that the driving device of the image pickup device in the prior art is poor in service performance.
It should be noted that the optical element in the above description is generally referred to as a lens or an image sensor. When the optical element is the lens 400 in this application, the housing 10 and the base 20 each have an opening structure for avoiding the lens of the mobile terminal.
In an embodiment of the present application, the shift lever assembly 40 includes at least two sets of rods 41, each set of rods 41 includes two rods 41 symmetrically disposed about the center of the carrier 30, the rods 41 are drivingly connected to the carrier 30, and two ends of each rod 41 are a connecting end 411 and a movable end 412, respectively, the connecting end 411 of each rod 41 is movably connected to the base 20, so that the rods 41 can rotate relative to the base 20. That is, the movement of the carrier 30 in this embodiment is realized by the rotation of the four rods 41. Moreover, it should be noted that, when the four rod bodies 41 drive the carrying seat 30 to move relative to the base 20, a rotation angle of at least one rod body 41 of the four rod bodies 41 is different from that of the other rod bodies 41, so as to ensure that the inclination direction and the angle of the carrying seat 30 can be changed.
Alternatively, the two rods 41 of each set are correspondingly disposed on a set of mutually parallel sides of the base 20. In addition, in two adjacent rods 41 of different groups, the movable end 412 of one rod 41 is disposed close to the connecting end 411 of the other rod 41 relative to the connecting end 411, so as to ensure that the internal structure of the optical element driving device is more compact, and the stability of the carrying seat 30 during the movement relative to the base 20 is also ensured.
That is, the base 20 is generally quadrilateral in shape in the present application, two sets of four rods 41 are disposed on two sets of opposite sides, respectively, and two adjacent rods 41 are adjacent end to end.
Of course, the base 20 can be configured in other shapes according to actual use requirements.
Optionally, one of the side walls of the body 41 and the carrier 30 corresponding to the body 41 has a driving protrusion 60, the other has a driving groove 70, the driving groove 70 extends in the same direction as the body 41, the driving protrusion 60 extends into the driving groove 70, and when the body 41 rotates relative to the base 20, the driving protrusion 60 moves along the driving groove 70.
Optionally, the rod 41 has a driving groove 70, the carrying seat 30 has a driving protrusion 60, and the side wall of the carrying seat 30 corresponding to the rod 41 has a mounting groove extending along the length direction of the rod or a plurality of mounting holes 31 arranged at intervals along the length direction of the rod 41, and one end of the driving protrusion 60 is fixedly arranged in the mounting groove or detachably arranged on any one mounting hole 31 of the plurality of mounting holes 31. That is, the portion of the holder 30 carrying the optical element and the driving protrusion 60 may be provided separately from each other in the present application.
In an embodiment of the present application, only one driving protrusion 60 is disposed on one side of the carrier 30 corresponding to each rod 41, and after the mounting hole 31 where the driving protrusion 60 is located is determined, the driving protrusion 60 can not be detached from the mounting hole 31, so as to ensure stability between the carrier 30 and the rod 41. It should be noted that, the purpose of the plurality of mounting holes 31 in the present application is mainly to adjust the sensitivity of the rod 41 to the driving of the carrier 30, so that after the mounting hole 31 where the driving protrusion 60 is located is determined, the connection position of the driving protrusion 60 and the rod 41 is also determined, and further, the sensitivity of the rod 41 to drive the carrier 30 is determined.
Preferably, the shift lever assembly 40 further comprises a plurality of rotating shafts 42, the rotating shafts 42 correspond to the rods 41 one by one, and the connecting end 411 of the rod 41 is movably connected to the base 20 through the rotating shafts 42. By such an arrangement, the lever body 41 can be ensured to rotate relative to the base 20 more flexibly.
In one particular embodiment of the present application, the drive assembly 50 includes: a plurality of first threads 51, the first threads 51 being provided; the FPC board 53 and at least a portion of the FPC board 53 are disposed in the accommodating space, a first end of the first wire 51 is connected to the connecting end 411 of the rod 41, and a second end of the first wire 51 extends toward the length direction of the rod 41 and is connected to the FPC board 53. Through setting up like this, when first silk thread 51 circular telegram, the body of rod 41 rotates under first silk thread 51's effect to the pivoted direction is that the expansion end 412 of the body of rod 41 moves along the direction that is close to base 20, and the circular telegram volume through making different first silk threads is different, can guarantee that the turned angle of the body of rod 41 of difference is different, thereby realizes changing the incline direction and the angle that bear the seat, and then realizes that the axle moving mode anti-shake of lens module is revised.
Note that, when the first wire 51 is not energized, the first wire 51 may be disposed parallel to the rod body 41. Of course, the first wire 51 and the rod 41 may be disposed at an angle.
Preferably, the optical element driving device further includes a plurality of clips 80, and different first wires 51 are connected to the FPC board 53 through different clips 80. Also, in one embodiment of the present application, the clip 80 is connected to the FPC board 53 by soldering.
Specifically, there are a plurality of FPC boards 53, and different FPC boards 53 correspond to different rods 41 respectively.
In one embodiment of the present application, the FPC board 53 includes a first connection section 531, a second connection section 532 and a third connection section 533, the second connection section 532 and the third connection section 533 are respectively connected to the first connection section 531, an end of the second connection section 532 away from the first connection section 531 is connected to the chuck 80, an end of the third connection section 533 away from the first connection section 531 is provided with a claw 534, the claw 534 is connected to the connection end 411 of the rod 41, and the first wire 51 is connected to the rod 41 through the claw 534.
Preferably, an end of the third connecting section 533 remote from the first connecting section 531 is a deformable end formed by bending. Through setting up like this, when the relative base of the body of rod 41 rotates, through the deformation of flexible end, can guarantee that the rotation of the body of rod 41 is more smooth and easy.
Preferably, the sidewall of the base 20 has an escape groove 21 for escaping the first connecting section 531, and at least a portion of the first connecting section 531 is disposed in the escape groove 21. By such an arrangement, the overall structure of the optical element driving device can be ensured to be more compact.
Specifically, the base 20 is provided with a mounting post 22 corresponding to the connecting end 411 and the movable end 412 of the rod 41, the connecting end 411 of the rod 41 is movably connected to the mounting post 22, the collet 80 is disposed on the mounting post 22 corresponding to the movable end 412 of the rod 41, and two adjacent sides of the same mounting post 22 correspond to the connecting end 411 and the movable end 412 of different rods 41. In one embodiment of the present application, the bottom surface of the base 20 facing the carrier 30 is a quadrilateral, and each corner of the quadrilateral is provided with one mounting post 22, each two different mounting posts 22 correspond to the connecting end 411 and the movable end 412 of one rod 41, and the mounting posts 22 are perpendicular to the surface of the base 20 on which they are located.
In the embodiment shown in fig. 1 to 5, the optical element driving apparatus further includes a pressing sheet 100, and the pressing sheet 100 is disposed on a side of the carrier 30 away from the base 20 and connected to the mounting post 22 to provide a restoring force for the carrier 30 to move toward the base 20. It should be noted that, in the present application, when the first wire 51 is in the non-energized state, a pre-tightening force may be provided to the bearing seat 30 through the pressing sheet 100, so that the first wire 51 provides a resetting force to the bearing seat 30 after being switched from the energized state to the de-energized state.
Specifically, the optical element driving apparatus further includes a mounting seat 200, the mounting seat 200 is disposed between the base 20 and the bearing seat 30, and the mounting seat 200 has a receiving groove 300 for receiving the ball 90, the ball 90 is disposed on the base 20 through the mounting seat 200, at least one portion of the ball 90 is located in the receiving groove 300, and at least another portion of the ball 90 protrudes from the receiving groove 300.
Preferably, the receiving groove 300 is located at the center of the mounting seat 200.
Of course, the receiving groove 300 may be directly disposed on the base in the present application. That is, the mount may not be provided in the present application.
Optionally, the housing 10 is made of a plastic material.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
1. the problem that the driving device of the camera shooting device in the prior art is poor in service performance is effectively solved;
2. simple structure and stable performance.
It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
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 without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (15)
1. An optical element driving apparatus, comprising:
a housing (10);
the shell (10) is covered on the base (20) and forms an accommodating space with the base (20);
the bearing seat (30) is movably arranged in the accommodating space, a ball (90) is arranged on one side, facing the bearing seat (30), of the base (20), and the bearing seat (30) is in movable contact with the ball (90);
the driving lever assembly (40), at least one part of the driving lever assembly (40) is rotatably arranged on the base (20), and the driving lever assembly (40) is in driving connection with the bearing seat (30);
the driving assembly (50), the driving assembly (50) is in driving connection with the deflector rod assembly (40);
when the driving assembly (50) is electrified, at least one part of the driving assembly (50) moves relative to the base (20) and drives the deflector rod assembly (40) to rotate relative to the base (20) so as to drive the bearing seat (30) to slide relative to the ball (90) and deflect relative to the Z axis;
the deflector rod assembly (40) comprises at least two groups of rod bodies (41), each group of rod bodies (41) comprises two rod bodies (41) which are arranged in a central symmetry mode relative to the bearing seat (30), the rod bodies (41) are in driving connection with the bearing seat (30), two ends of each rod body (41) are respectively a connecting end (411) and a movable end (412), and the connecting ends (411) of the rod bodies (41) are movably connected with the base (20) so that the rod bodies (41) can rotate relative to the base (20);
the length direction of the rod body (41) and the bearing seat (30) correspond to one of the side walls of the rod body (41) and are provided with driving protrusions (60), the other side wall of the rod body is provided with driving grooves (70), the extending direction of the driving grooves (70) is the same as the length direction of the rod body (41), the driving protrusions (60) stretch into the driving grooves (70), and when the rod body (41) rotates relative to the base (20), the driving protrusions (60) move along the driving grooves (70).
2. The optical element driving device according to claim 1,
the two rod bodies (41) of each group are correspondingly arranged on one group of mutually parallel side edges of the base (20); and/or
In two adjacent rod bodies (41) in different groups, the movable end (412) of one rod body (41) is arranged close to the connecting end (411) of the other rod body (41) relative to the connecting end (411).
3. The optical element driving device according to claim 1, wherein the shaft (41) has the driving groove (70), the carrying seat (30) has the driving protrusion (60), and the side wall of the carrying seat (30) corresponding to the shaft (41) has a mounting groove extending along the length direction of the shaft (41) or a plurality of mounting holes (31) spaced along the length direction of the shaft (41),
one end of the driving protrusion (60) is fixedly arranged in the mounting groove or detachably arranged on any one mounting hole (31) in the plurality of mounting holes (31).
4. The optical element driving apparatus as claimed in claim 1, wherein the lever assembly (40) further comprises a plurality of rotating shafts (42), the rotating shafts (42) correspond to the rods (41) one by one, and the connecting end (411) of the rods (41) is movably connected to the base (20) through the rotating shafts (42).
5. An optical element driving device according to any one of claims 1 to 4, wherein the driving assembly (50) comprises:
a plurality of first wires (51), the first wires (51) being provided;
at least one part of the FPC board (53) is arranged in the accommodating space, the first end of the first silk thread (51) is connected with the connecting end (411) of the rod body (41), and the second end of the first silk thread (51) extends towards the length direction of the rod body (41) and is connected with the FPC board (53).
6. An optical element driving device according to claim 5, further comprising a plurality of clips (80), wherein different ones of said first wires (51) are connected to said FPC board (53) through different ones of said clips (80).
7. The optical element driving device according to claim 6, wherein said FPC board (53) is plural, and different FPC boards (53) correspond to different rods (41), respectively.
8. The optical element driving device according to claim 7, wherein the FPC board (53) includes a first connection section (531), a second connection section (532), and a third connection section (533), the second connection section (532) and the third connection section (533) are respectively connected to the first connection section (531), an end of the second connection section (532) remote from the first connection section (531) is connected to the collet (80), an end of the third connection section (533) remote from the first connection section (531) has a claw (534), the claw (534) is connected to the connection end (411) of the lever (41), and the first wire (51) is connected to the lever (41) through the claw (534).
9. An optical element driving device according to claim 8, wherein an end of the third connecting section (533) remote from the first connecting section (531) is a deformable end formed by bending.
10. The optical element driving device according to claim 6, wherein the base (20) is provided with a mounting post (22) corresponding to the connecting end (411) and the movable end (412) of the rod body (41), the connecting end (411) of the rod body (41) is movably connected with the mounting post (22), the collet (80) is disposed on the mounting post (22) corresponding to the movable end (412) of the rod body (41), and two adjacent sides of the same mounting post (22) correspond to the connecting end (411) and the movable end (412) of the rod body (41).
11. The optical element driving device according to claim 10, further comprising a pressing plate (100), wherein the pressing plate (100) is disposed on a side of the carrying seat (30) away from the base (20) and connected to the mounting post (22) to provide a restoring force for the carrying seat (30) to move toward the base (20).
12. The optical element driving device according to claim 10, further comprising a mounting seat (200), wherein the mounting seat (200) is disposed between the base (20) and the carrying seat (30), and the mounting seat (200) has a receiving groove (300) for receiving the ball (90), the ball (90) is disposed on the base (20) through the mounting seat (200), and at least one portion of the ball (90) is located in the receiving groove (300), and at least another portion of the ball (90) protrudes from the receiving groove (300).
13. The optical element driving device according to claim 12, wherein the receiving groove (300) is located at a center of the mounting seat (200).
14. An image pickup apparatus comprising the optical element driving apparatus according to any one of claims 1 to 13.
15. A mobile terminal characterized in that it comprises the camera device according to claim 14.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210530933.6A CN114815116B (en) | 2022-05-16 | 2022-05-16 | Optical element driving device, image pickup device, and mobile terminal |
| PCT/CN2022/116403 WO2023221334A1 (en) | 2022-05-16 | 2022-09-01 | Optical element driving device, camera device, and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210530933.6A CN114815116B (en) | 2022-05-16 | 2022-05-16 | Optical element driving device, image pickup device, and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
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| CN114815116A CN114815116A (en) | 2022-07-29 |
| CN114815116B true CN114815116B (en) | 2023-04-11 |
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| CN202210530933.6A Active CN114815116B (en) | 2022-05-16 | 2022-05-16 | Optical element driving device, image pickup device, and mobile terminal |
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| Country | Link |
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| WO (1) | WO2023221334A1 (en) |
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| CN114721107A (en) * | 2022-05-16 | 2022-07-08 | 上海信迈电子科技有限公司 | Optical element driving device, image pickup device, and mobile terminal |
| CN114815116B (en) * | 2022-05-16 | 2023-04-11 | 上海信迈电子科技有限公司 | Optical element driving device, image pickup device, and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114236946A (en) * | 2021-12-28 | 2022-03-25 | 上海信迈电子科技有限公司 | Optical element driving device, camera device and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070236577A1 (en) * | 2006-03-30 | 2007-10-11 | Chau-Yaun Ke | Systems and methods for providing image stabilization |
| IT201700048138A1 (en) * | 2017-05-04 | 2018-11-04 | Actuator Solutions GmbH | Camera module auto-focus actuator |
| CN109889711B (en) * | 2019-03-11 | 2021-06-15 | 昆山丘钛微电子科技有限公司 | Camera shooting module |
| TWI684056B (en) * | 2019-03-26 | 2020-02-01 | 群光電子股份有限公司 | Electronic device and actuating mechanism thereof |
| JP6995212B2 (en) * | 2019-06-01 | 2022-01-14 | エーエーシー オプティックス ソリューションズ ピーティーイー リミテッド | Prism device and periscope lens module applied to periscope lens module |
| CN110568695B (en) * | 2019-09-30 | 2024-10-22 | 上海信迈电子科技有限公司 | Lens motor reed, lens motor, and image pickup apparatus |
| CN112752013B (en) * | 2019-10-30 | 2025-02-11 | 晋城三赢精密电子有限公司 | Anti-shake device, camera module and electronic device |
| WO2021262531A1 (en) * | 2020-06-25 | 2021-12-30 | Hutchinson Technology Incorporated | Shape memory alloy actuators and methods thereof |
| CN111736293B (en) * | 2020-06-29 | 2025-08-05 | 河南皓泽电子股份有限公司昆山分公司 | SMA actuator, anti-shake actuator and camera module |
| CN112770035B (en) * | 2021-01-21 | 2022-10-14 | 维沃移动通信有限公司 | Camera module, electronic equipment and control method of electronic equipment |
| CN112822372B (en) * | 2021-01-22 | 2023-04-07 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN112887576A (en) * | 2021-01-28 | 2021-06-01 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN113079285B (en) * | 2021-03-25 | 2023-04-18 | 维沃移动通信有限公司 | Camera module and electronic equipment |
| CN216437306U (en) * | 2021-12-06 | 2022-05-03 | 上海信迈电子科技有限公司 | Miniature anti-shake cloud platform and camera device |
| CN114137778B (en) * | 2021-12-28 | 2025-04-15 | 上海信迈电子科技有限公司 | Optical element driving device, camera device and mobile terminal |
| CN114815116B (en) * | 2022-05-16 | 2023-04-11 | 上海信迈电子科技有限公司 | Optical element driving device, image pickup device, and mobile terminal |
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| CN114236946A (en) * | 2021-12-28 | 2022-03-25 | 上海信迈电子科技有限公司 | Optical element driving device, camera device and mobile terminal |
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| WO2023221334A1 (en) | 2023-11-23 |
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