CN110275366A - Lens driving apparatus - Google Patents
Lens driving apparatus Download PDFInfo
- Publication number
- CN110275366A CN110275366A CN201910338096.5A CN201910338096A CN110275366A CN 110275366 A CN110275366 A CN 110275366A CN 201910338096 A CN201910338096 A CN 201910338096A CN 110275366 A CN110275366 A CN 110275366A
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- China
- Prior art keywords
- actuating arm
- wall
- drive block
- fixed
- adjusts
- Prior art date
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Classifications
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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
-
- 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
- H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Adjustment Of Camera Lenses (AREA)
- Lens Barrels (AREA)
Abstract
The present invention provides a kind of lens driving apparatus, frame, drive block and actuating arm in the frame and with the frame space including being in quadrilateral shape, the actuating arm include that the frame is fixed on and the other end is fixed on the first actuating arm, the second actuating arm, third actuating arm and the 4th actuating arm of drive block in one end；First actuating arm drives the drive block moving along first direction；Second actuating arm drives the movement of the drive block in a second direction；The third actuating arm drives the drive block moving along first direction；4th actuating arm drives the movement of the drive block in a second direction；Wherein, the first direction is mutually perpendicular to the second direction；The frame, the drive block and the actuating arm are that non-magnet material is made.Compared with the relevant technologies, lens driving apparatus stability and reliability of the invention is high, occupy little space, power consumption and at low cost.
Description
[technical field]
The present invention relates to a kind of driving device more particularly to a kind of lens driving dresses for applying to portable electronic product
It sets.
[background technique]
With the development of photography technology, lens driving apparatus is widely used in various photographic devices.Camera lens drives
The combination for moving device and various portable electronic devices such as mobile phone, video camera, computer etc., even more obtains the favor of consumer.
The lens driving apparatus of the relevant technologies includes pedestal, is fixed on the support frame of the pedestal, is contained in the support
Lens barrel in frame by elastic slice that the lens barrel is suspended in support frame as described above and is individually fixed in the lens barrel and the support
Magnet steel and coil on frame drive the lens barrel mobile by the magnet steel and the fitting coils to realize focusing.Related skill
The lens driving apparatus of art not only needs to meet AF automatic focusing function, while needing to meet OIS stabilization function, it is therefore desirable to fill
With AF driving coil and OIS stabilization coil.
However, the lens driving apparatus of the relevant technologies is to achieve the above object, need to increase additional support construction support
For the coil of OIS stabilization function, and coil and the structure of magnet steel cooperation driving big, the production cost master that do not only take up volume, and
It is easy to be failed by magnetic interference, to reduce its reliability and stability.
Therefore, it is necessary to provide a kind of improved lens driving apparatus to solve the above problems.
[summary of the invention]
That the technical problem to be solved in the present invention is to provide a kind of stability and reliabilities is high, occupy little space, power consumption and cost
Low lens driving apparatus.
In order to solve the above technical problems, the present invention provides a kind of lens driving apparatus, comprising: frame, the frame are in
Quadrilateral shape structure；Drive block, the drive block are located in the frame and are arranged with the frame space, the drive block
For gripping lens module；And actuating arm, the actuating arm include that the frame is fixed on and the other end is fixed in one end
First actuating arm of the drive block, the second actuating arm, the third actuating arm being oppositely arranged with first actuating arm and with
The 4th actuating arm that first actuating arm is oppositely arranged；First actuating arm drives described along first direction telescopic deformation
Drive block is moved along first direction；Second actuating arm in a second direction telescopic deformation to drive the drive block along second party
To movement；The third actuating arm drives the drive block to move along first direction along first direction telescopic deformation；Described
Four actuating arms in a second direction telescopic deformation to drive the drive block to move in a second direction；Wherein, the first direction with
The second direction is mutually perpendicular to and the plane surrounded is parallel with plane where the frame；The frame, the drive block with
And the actuating arm is that non-magnet material is made.
Preferably, the lens driving apparatus further includes filling for detecting the displacement detecting of the drive block change in displacement
It sets, institute's displacement sensing device includes the first detection device corresponding with first actuating arm and second actuating arm pair
The corresponding third detection device of the second detection device and the third actuating arm answered and corresponding with the 4th actuating arm
4th detection device.
Preferably, the actuating arm is made of piezoelectric material or memory alloy material, passes through access control electric signal triggering
Telescopic deformation.
Preferably, the drive block is made of semiconductor silicon material.
Preferably, the actuating arm is elastic arm, and the cross section of each actuating arm is serrated or wavy.
Preferably, the detection device is the actuating arm, and first actuating arm serves as first detection device, institute
It states the second actuating arm and serves as the second detection device, the third actuating arm serves as the third detection device, and the described 4th
Actuating arm serves as the 4th detection device.
Preferably, between the frame includes along spaced first wall of first direction and third wall and in a second direction
Every the second wall and the 4th wall of setting, first wall, second wall, the third wall and the 4th wall successively head and the tail phase
Company surrounds rectangular configuration jointly；The deformation of first actuating arm is oriented parallel to first wall, second actuating arm
Deformation is oriented parallel to second wall, and the deformation of the third actuating arm is oriented parallel to the third wall, the 4 wheel driven
The deformation of swing arm is oriented parallel to the 4th wall.
Preferably, the drive block includes in the ontology of rectangle and through the ontology to clamp the logical of lens module
Hole, the ontology include successively end to end first while, second while, third while and when the 4th, first side with it is described
First wall interval and parallel, second side and second wall interval and parallel, the third side and third wall interval
And parallel, the 4th side and the 4th wall interval and parallel；The 4th wall is fixed in first actuating arm one end, separately
First side is fixed in one end；First wall is fixed in second actuating arm one end, and the other end is fixed on described second
Side；Second wall is fixed in third actuating arm one end, and the other end is fixed on the third side；4th actuating arm one
The third wall is fixed at end, and the other end is fixed on the 4th side.
Preferably, the frame further includes that extend from first wall to first side multiple are spaced apart from each other setting
First multiple the second positive plates of adjusting for being spaced apart from each other setting for adjusting positive plate and extending from second wall to second side；
The drive block further includes multiple the first negative plates of adjusting for being spaced apart from each other setting extended from first side to first wall
And multiple the second negative plates of adjusting for being spaced apart from each other setting extended from second side to second wall, described first is adjusted
The positive plate and negative plate of first adjusting is interlaced plugs and be spaced apart from each other；Described second adjusts positive plate bears with second adjusting
Plate is interlaced to be plugged and is spaced apart from each other；The 4th wall is fixed in first actuating arm one end, and the other end is fixed on close
Described the first of 4th wall adjusts negative plate；First wall is fixed in second actuating arm one end, and the other end is fixed on
Described second close to first wall adjusts negative plate.
Preferably, the frame further includes that extend from the third wall to the third side multiple are spaced apart from each other setting
Third levelling plate and multiple the 4th levelling plates for being spaced apart from each other setting extended from the 4th wall to the 4th side；It is described
Drive block further include extend from the third side to the third wall the multiple thirds that are spaced apart from each other setting adjust negative plates and
Multiple the 4th negative plates of adjusting for being spaced apart from each other setting extended from the 4th side to the 4th wall, the third adjust positive plate
Adjust that negative plate is interlaced to be plugged and be spaced apart from each other with the third；Described 4th, which adjusts positive plate, adjusts negative plate phase with the described 4th
Mutually staggeredly plugs and be spaced apart from each other；Second wall is fixed in third actuating arm one end, and the other end is fixed on close to described
The third of second wall adjusts negative plate；The third wall is fixed in described 4th actuating arm one end, and the other end is fixed on close
The described 4th of the third wall adjusts negative plate.
Preferably, described first positive plate and the negative plate formation first capacitor structure of first adjusting are adjusted, described second adjusts
It saves positive plate and described second and adjusts the second capacitance structure of negative plate formation, the third adjusts positive plate and the third adjusts negative plate shape
At third capacitance structure, the described 4th, which adjusts positive plate and the described 4th, adjusts the 4th capacitance structure of positive plate formation.
Preferably, the detection device is capacitance structure, and the first capacitor structure serves as first detection device, institute
It states the second capacitance structure and serves as the second detection device, the third capacitance structure serves as the third detection device, described
4th capacitance structure serves as the 4th detection device.
Preferably, the frame, the drive block and the actuating arm are made of MEMS technology.
Preferably, the width direction of the actuating arm is parallel to third direction, the first direction, the second direction with
The third direction is mutually perpendicular to two-by-two.
Compared with the relevant technologies, in lens driving apparatus of the present invention, by the way that the drive block is connected to the frame
First actuating arm, third actuating arm, the second actuating arm and the 4th actuating arm telescopic deformation to drive the drive
Motion block is along the forward direction and negative sense of first direction, and the forward direction and negative sense of second direction are mobile, and the driving drive block is described
Plane where first direction and second direction slightly rotates, to realize OIS stabilization function, wherein first direction and second direction
It is mutually perpendicular to；Above structure is simple, and occupancy is small in size, and production cost is low, makes the actuating arm is flexible to generate by unlike signal
Driving force, it is easy to control, it is low in energy consumption；And the actuating arm, the drive block and the frame are that non-magnet material is made,
Magnetic interference is avoided, reliability stability is more excellent.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the schematic perspective view of lens driving apparatus of the present invention；
Fig. 2 is the top view of lens driving apparatus of the present invention.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-2, the present invention provides a kind of lens driving apparatus 100, including frame 1, drive block 2, drive
Swing arm 3 and position detecting device (not labeled).In present embodiment, for convenience of explanation, XYZ axis three-dimensional system of coordinate is established,
Define that first direction is X-direction, second direction is Y direction, third direction is Z-direction, the first direction, described the
Two directions and the third direction are mutually perpendicular to two-by-two, wherein Z-direction is optical axis direction.
The frame 1 is in hollow structure, such as quadrilateral shape structure.In present embodiment, the frame 1 is in hollow square
Illustrate for shape.
Specifically, the frame 1 includes along spaced first wall 11 of first direction and third wall 13 and along second
Spaced second wall 12 in direction and the 4th wall 14.First wall 11, second wall 12, the third wall 13 and described
4th wall 14 successively joins end to end surrounds rectangular configuration jointly.
The drive block 2, which is located in the frame 1 and is spaced with the frame 1, to be arranged, and the drive block 2 is solid for clamping
Determine lens module, realizes OIS (Optical ImageStabilization) image stabilizing function to lens module, i.e., it is anti-
It trembles.
In present embodiment, the drive block 2 includes in the ontology 21 of rectangle and through the ontology 21 to clamp mirror
The through-hole 22 of head mould group.Specifically, the ontology 21 include successively end to end first at 211, second 212, third side
213 and the 4th side 214.First side 211 is spaced and parallel with first wall 11, second side 212 and described the
Two walls 12 interval and parallel, the third side 213 are spaced and parallel with the third wall 13, the 4th side 214 and described the
Four walls 14 interval and parallel.
The actuating arm 3 is fixed on the frame 1 including one end and the other end is fixed on the first of the drive block 2 and drives
The third actuating arm 33 and driven with described second that arm 31, the second actuating arm 32 and first actuating arm 31 are oppositely arranged
The 4th actuating arm 34 that arm 32 is oppositely arranged.
The deformation of first actuating arm 31 is oriented parallel to first wall 11, and described first actuating arm, 31 one end is fixed
In the 4th wall 14, the other end is fixed on first side 211.First actuating arm 31 along first direction telescopic deformation with
The drive block 2 is driven to move along first direction.
The deformation of second actuating arm 32 is oriented parallel to second wall 12, and described second actuating arm, 32 one end is fixed
In first wall 11, the other end is fixed on second side 212.Second actuating arm 32 in a second direction telescopic deformation with
The drive block 2 is driven to move in a second direction.
The deformation of the third actuating arm 33 is oriented parallel to the third wall 13, and described 33 one end of third actuating arm is fixed
In second wall 12, the other end is fixed on the third side 213.The third actuating arm 33 along first direction telescopic deformation with
The drive block 2 is driven to move along first direction.
The deformation of 4th actuating arm 34 is oriented parallel to the 4th wall 14, and described 4th actuating arm, 34 one end is fixed
In the third wall 13, the other end is fixed on the 4th side 214.4th actuating arm 34 in a second direction telescopic deformation with
The drive block is driven to move in a second direction.
For example, first actuating arm 31 drives the drive block 2 along the forward direction (X-axis of first direction in present embodiment
It is positive) it is mobile；The third actuating arm 33 drives the drive block 2 mobile along the negative sense (X-axis negative sense) of first direction；Described
Two actuating arms 32 drive the forward direction (Y-axis is positive) of the drive block 2 in a second direction mobile；4th actuating arm 34 drives institute
It is mobile to state the negative sense (Y-axis negative sense) of drive block 2 in a second direction.Above-mentioned driving direction stability is higher.
It should be noted that the driving direction of first actuating arm 31 and the third actuating arm 33 can be identical, i.e.,
When first actuating arm compresses, third actuating arm is stretched so that drive block is mobile toward a direction；Second actuating arm 32
Can be identical with the driving direction of the 4th actuating arm 34, i.e. when the second actuating arm compresses, the stretching of the 4th actuating arm makes
It is mobile toward a direction to obtain drive block.
Wherein, the first direction and the second direction are mutually perpendicular to and put down where the plane surrounded and the frame 1
Face is parallel.First actuating arm 31, second actuating arm 32, the third actuating arm 33 and the 4th actuating arm 34
Drive the drive block 2 the first direction positively and negatively, the positively and negatively movement of the second direction and
It is slightly rotated in the first direction and the plane where the second direction, realizes stabilization function.Above structure is simple, occupies
Small in size, production cost is low, makes the flexible generation driving force of the actuating arm by unlike signal, easy to control, low in energy consumption.
In present embodiment, the frame 1, the drive block 2 and the actuating arm 3 are that non-magnet material is made.
The structure setting makes the actuating arm 3 avoid magnetic interference when driving the drive block 2 mobile, and reliability stability is more excellent.
Specifically, the actuating arm 3 is made of piezoelectric material or memory alloy material, pass through access control electric signal triggering
Its telescopic deformation, to realize stabilization function.The drive block 2 is made of semiconductor silicon material, integrally avoids by magnetic interference.Institute
It states frame 1, the drive block 2 and the actuating arm 3 to be made of MEMS technology, realizes that structure is simple and occupies mesh small in size
's.
In present embodiment, the actuating arm 3 is elastic arm, and the cross section of each actuating arm 3 is serrated or wave
Wave-like.More preferably, the width direction of the actuating arm 3 is parallel to third direction.Above structure makes the actuating arm 3 in third
Direction (Z-direction) is that the drive block 2 provides support and in the first direction (X-direction) and second direction (Y-axis side
To) mobile amplitude.More preferably, in present embodiment, the frame 1 further includes from first wall 11 to first side
Multiple positive plates 111 of the first adjusting for being spaced apart from each other setting of 211 extensions are extended from second wall 12 to second side 212
Multiple the second multiple phases for adjusting positive plate 112, extending from the third wall 13 to the third side 213 for being spaced apart from each other setting
Mutually spaced third levelling plate 113 and what is extended from the 4th wall 14 to the 4th side 214 multiple be spaced apart from each other
The 4th levelling plate 114 being arranged.
The drive block 2 further includes that extend from first side 211 to first wall 11 multiple are spaced apart from each other setting
First adjust negative plate 23, extend from second side 212 to second wall 12 multiple are spaced apart from each other the second of setting and adjust
The multiple negative plates 25 of thirds adjusting for being spaced apart from each other setting for saving negative plate 24, extending from the third side 213 to the third wall 13
And multiple the 4th negative plates 26 of adjusting for being spaced apart from each other setting extended from the 4th side 214 to the 4th wall 14.
Described first adjusts positive plate 111 and the negative plate 23 of first adjusting is interlaced plugs and be spaced apart from each other；Described
Two adjust positive plates 112 and the negative plate 24 of second adjusting is interlaced plugs and be spaced apart from each other；The third adjust positive plate 113 with
The negative plate 25 of the third adjusting is interlaced to be plugged and is spaced apart from each other；Described 4th adjusts positive plate 114 bears with the 4th adjusting
Plate 26 is interlaced to be plugged and is spaced apart from each other.In the setting of above structure, the positive plate 111 and first of the first adjusting can be only set and adjusted
Negative plate 23 is saved, second, which adjusts positive plate 112 and second, adjusts negative plate 24；Or only setting third adjusts positive plate 113 and third adjusting
Negative plate 25, the described 4th, which adjusts positive plate 114 and the 4th, adjusts negative plate 26, this is all feasible.The setting of above structure is for mentioning
For the drive block 2 in a first direction with the one-movement-freedom-degree of second direction and limit.
More preferably, it described first adjusts positive plate 111 and adjusts negative plate 23 with described first and form first capacitor structure, described the
Two, which adjust positive plate 112, adjusts negative plate 24 with described second and forms the second capacitance structure, and the third adjusts positive plate 113 and described the
Three, which adjust negative plate 25, forms third capacitance structure, and the described 4th, which adjusts positive plate 114, forms the 4th with the positive plate 26 of the 4th adjusting
Capacitance structure.
And the setting of the corresponding actuating arm 3 specifically: the 4th wall 14 is fixed in described first actuating arm, 31 one end,
The other end, which is fixed on, adjusts negative plate 23 close to described the first of the 4th wall 14, that is, is indirectly secured to first side 211；Institute
It states 32 one end of the second actuating arm and is fixed on first wall 11, the other end is fixed on to be adjusted close to described the second of first wall 11
Negative plate 24 is saved, that is, is indirectly secured to second side 212.Second wall 12 is fixed in described 33 one end of third actuating arm, separately
The negative plate 25 of third adjusting close to second wall 12 is fixed in one end, that is, is indirectly secured to the third side 213；It is described
The third wall 13 is fixed in 4th actuating arm, 34 one end, and the other end is fixed on to be adjusted close to the described 4th of the third wall 13
Negative plate 26 is indirectly secured to the 4th side 214.
The detection device is for detecting 2 change in displacement of drive block, so as to processor, handle data feedback
Device is adjusted again according to the data of feedback, is accurately adjusted to realize to the displacement of the drive block 2.
In present embodiment, institute's displacement sensing device includes first detection dress corresponding with first actuating arm 31
It sets and the corresponding second detection device of second actuating arm 32, third detection device corresponding with the third actuating arm 33
And the 4th detection device corresponding with the 4th actuating arm 34.
For example, the detection device is the actuating arm 3, i.e., the described actuating arm 3 itself acts as detection device, at this point,
Then first actuating arm 31 serves as first detection device, and second actuating arm 32 serves as the second detection device,
The third actuating arm 33 serves as the third detection device, and the 4th actuating arm 34 serves as the 4th detection device.
For example, the detection device is another group of actuating arm, at this point, two actuating arms are all set for each time of frame, one
A actuating arm is as detection device, and for detecting displacement and the output signal of drive block, another actuating arm is used as driving device
The drive block is driven to be subjected to displacement after receiving signal.
For another example, the detection device is capacitance structure, and the first capacitor structure serves as first detection device, institute
It states the second capacitance structure and serves as the second detection device, the third capacitance structure serves as the third detection device, described
4th capacitance structure serves as the 4th detection device.This be also it is feasible, detect to feedback regulation principle all.
Compared with the relevant technologies, in lens driving apparatus of the present invention, by the way that the drive block is connected to the frame
First actuating arm, third actuating arm, the second actuating arm and the 4th actuating arm telescopic deformation to drive the drive
Motion block is along the forward direction and negative sense of first direction, and the forward direction and negative sense of second direction are mobile, and the driving drive block is described
Plane where first direction and second direction slightly rotates, to realize OIS stabilization function, wherein first direction and second direction
It is mutually perpendicular to；Above structure is simple, and occupancy is small in size, and production cost is low, makes the actuating arm is flexible to generate by unlike signal
Driving force, it is easy to control, it is low in energy consumption；And the actuating arm, the drive block and the frame are that non-magnet material is made,
Magnetic interference is avoided, reliability stability is more excellent.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (14)
1. a kind of lens driving apparatus characterized by comprising
Frame, the frame are in quadrilateral shape structure；
Drive block, the drive block are located in the frame and are arranged with the frame space, and the drive block is solid for clamping
Determine lens module；And
Actuating arm, the actuating arm include one end be fixed on the frame and the other end be fixed on the drive block first driving
Arm, the second actuating arm, with the third actuating arm that first actuating arm is oppositely arranged and opposite with second actuating arm set
The 4th actuating arm set；First actuating arm drives the drive block to move along first direction along first direction telescopic deformation
It is dynamic；Second actuating arm in a second direction telescopic deformation to drive the drive block to move in a second direction；The third is driven
Swing arm drives the drive block to move along first direction along first direction telescopic deformation；4th actuating arm is in a second direction
Telescopic deformation is to drive the drive block to move in a second direction；Wherein, the first direction and the second direction are mutually hung down
Plane that is straight and surrounding is parallel with plane where the frame；
The frame, the drive block and the actuating arm are that non-magnet material is made.
2. lens driving apparatus according to claim 1, which is characterized in that the lens driving apparatus further includes for examining
The displacement detector of the drive block change in displacement is surveyed, institute's displacement sensing device includes corresponding with first actuating arm
First detection device and the corresponding second detection device of second actuating arm, third corresponding with the third actuating arm are examined
Survey device and the 4th detection device corresponding with the 4th actuating arm.
3. lens driving apparatus according to claim 1, which is characterized in that the actuating arm is that piezoelectric material or memory are closed
Golden material is made, and triggers telescopic deformation by access control electric signal.
4. lens driving apparatus according to claim 1, which is characterized in that the drive block is semiconductor silicon material system
At.
5. lens driving apparatus according to claim 2, which is characterized in that the actuating arm is elastic arm, each described
The cross section of actuating arm is serrated or wavy.
6. lens driving apparatus according to claim 5, which is characterized in that the detection device is the actuating arm, institute
It states the first actuating arm and serves as first detection device, second actuating arm serves as the second detection device, the third
Actuating arm serves as the third detection device, and the 4th actuating arm serves as the 4th detection device.
7. lens driving apparatus according to claim 2, which is characterized in that the frame includes setting along first direction interval
The first wall and third wall set and in a second direction spaced second wall and the 4th wall, first wall, described second
Wall, the third wall and the 4th wall successively join end to end and surround rectangular configuration jointly；The deformation side of first actuating arm
To first wall is parallel to, the deformation of second actuating arm is oriented parallel to second wall, the third actuating arm
Deformation is oriented parallel to the third wall, and the deformation of the 4th actuating arm is oriented parallel to the 4th wall.
8. lens driving apparatus according to claim 7, which is characterized in that the drive block include in rectangle ontology and
Through-hole through the ontology to clamp lens module, the ontology include successively end to end first while, second while, the
Three while and when the 4th, first side and first wall interval and parallel, second side and second wall interval and
In parallel, the third side and third wall interval and parallel, the 4th side and the 4th wall interval and parallel；Described
The 4th wall is fixed in one actuating arm one end, and the other end is fixed on first side；Second actuating arm one end is fixed on
First wall, the other end are fixed on second side；Second wall is fixed in third actuating arm one end, and the other end is solid
Due to the third side；The third wall is fixed in described 4th actuating arm one end, and the other end is fixed on the 4th side.
9. lens driving apparatus according to claim 8, which is characterized in that the frame further include from first wall to
Described first multiple are spaced apart from each other the first of setting and adjust positive plates and from second wall to described second while prolongs while what is extended
Multiple the second positive plates of adjusting for being spaced apart from each other setting stretched；The drive block further includes being prolonged from first side to first wall
That stretches multiple are spaced apart from each other the first of setting and adjust negative plates and extends from second side to second wall multiple mutual
Spaced second adjusts negative plate, and described first, which adjusts positive plate and described first, adjusts that negative plate is interlaced to be plugged and each other
Every；Described second adjusts positive plate and the negative plate of second adjusting is interlaced plugs and be spaced apart from each other；First actuating arm one
The 4th wall is fixed at end, and the other end, which is fixed on, adjusts negative plate close to described the first of the 4th wall；Second driving
First wall is fixed in arm one end, and the other end, which is fixed on, adjusts negative plate close to described the second of first wall.
10. lens driving apparatus according to claim 9, which is characterized in that the frame further includes by the third wall
Multiple thirds levelling plates for being spaced apart from each other setting for extending to the third side and from the 4th wall to the 4th Bian Yan
Multiple the 4th levelling plates for being spaced apart from each other setting stretched；The drive block further includes being extended from the third side to the third wall
Multiple thirds for being spaced apart from each other setting adjust negative plate and extend from the 4th side to the 4th wall it is multiple each other
Negative plate is adjusted every the 4th of setting, and the third adjusts positive plate and the third adjusts that negative plate is interlaced to be plugged and each other
Every；Described 4th adjusts positive plate and the negative plate of the 4th adjusting is interlaced plugs and be spaced apart from each other；The third actuating arm one
Second wall is fixed at end, and the other end is fixed on the negative plate of third adjusting close to second wall；4th driving
The third wall is fixed in arm one end, and the other end, which is fixed on, adjusts negative plate close to the described 4th of the third wall.
11. lens driving apparatus according to claim 10, which is characterized in that described first adjusts positive plate and described first
It adjusts negative plate and forms first capacitor structure, described second, which adjusts positive plate and described second, adjusts the second capacitance structure of negative plate formation,
The third adjusts positive plate and the third adjusts negative plate and forms third capacitance structure, and the described 4th adjusts positive plate and the described 4th
It adjusts positive plate and forms the 4th capacitance structure.
12. lens driving apparatus according to claim 11, which is characterized in that the detection device is capacitance structure, institute
It states first capacitor structure and serves as first detection device, second capacitance structure serves as the second detection device, described
Third capacitance structure serves as the third detection device, and the 4th capacitance structure serves as the 4th detection device.
13. lens driving apparatus according to claim 1, which is characterized in that the frame, the drive block and described
Actuating arm is made of MEMS technology.
14. lens driving apparatus according to claim 1, which is characterized in that the width direction of the actuating arm is parallel to
Third direction, the first direction, the second direction and the third direction are mutually perpendicular to two-by-two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| WO2022000540A1 (en) * | 2020-06-30 | 2022-01-06 | 诚瑞光学(常州)股份有限公司 | Lens module |
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| CN110275366B (en) | 2021-06-18 |
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