CN107135344A - A kind of micro-optical zoom module - Google Patents
A kind of micro-optical zoom module Download PDFInfo
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- CN107135344A CN107135344A CN201710451921.3A CN201710451921A CN107135344A CN 107135344 A CN107135344 A CN 107135344A CN 201710451921 A CN201710451921 A CN 201710451921A CN 107135344 A CN107135344 A CN 107135344A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Lens Barrels (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
The present invention relates to a kind of micro-optical zoom module, it includes base and the shell being connected on base, and shell surrounds with base and opening is formed with a receiving space, and the first face of shell.It is also including being arranged on movable lens assembly in the receiving space and relative with the opening, for driving at least one direction of the movable lens assembly along optical axis direction and in optical axis direction driving part moved and the fixed lens component being fixed on the first face of the shell.Lens group is divided into movable and immovable two parts by the present invention, zoom is realized by the movement of moving part in the direction of the optical axis, stabilization is realized in the movement on optical axis direction, the load capacity of driving part is reduced, so as to realize miniaturization, makes the overall thinner of camera.
Description
Technical field
The present invention relates to optical image technology field, specifically related to a kind of micro-optical zoom module.
Background technology
Along with development in science and technology in recent years, all kinds of mobile devices such as notebook computer, tablet personal computer, mobile phone or intelligent hand
The wearable devices such as table are progressively towards frivolous, miniaturization.And in such devices, be much required for using miniature video camera
Head, in order that equipment is more frivolous in itself, higher requirement is it is also proposed to minisize pick-up head.On the one hand high resolution is required,
On the other hand it is again more compact in desired size, and the increase of resolution ratio also implies that the size of lens assembly can be increasing.
At present, for the quality of imaging, minisize pick-up head is generally fitted provided with optical focal distance setting system.The mode of optical zoom is usually to adopt
With voice coil motor or stepper motor carrying lens group, zoom function is realized by moving lens group.And in order to reach driving mirror
The power of head mould group, the motor volume for carrying camera lens module is also bigger.With being continuously increased for resolution ratio, the volume of lens group is not
It can avoid increasing, when camera lens module is excessive, carry the motor of camera lens to realize that mobile focusing and zoom are consumed
Power, it is also inevitably increasing, along with photoelectric cells such as lens groups, further increase the thickness of camera
And volume, cause the volume of overall camera to be also difficult to reduce.
The content of the invention
In order to solve the above problems, the invention provides a kind of small volume and the micro-optical zoom mould of thinner thickness
Group.
The present invention is realized using following scheme：
A kind of micro-optical zoom module, including：Base；The shell on base is connected to, it is empty that shell surrounds a collecting with base
Between, and opening is formed with the first face of shell；It is arranged on movable mirror in the receiving space, corresponding with the opening
Head assembly；It is arranged in the receiving space, for driving the movable lens assembly along optical axis direction and perpendicular to optical axis side
The driving part of at least one direction movement in；And the fixed lens component being fixed on the first face of the shell.
Further, the fixed lens component includes the second lens and the second mirror for supporting the second lens of protection
Seat, in the case where the micro-optical zoom module transfixion and driving part are not powered on, the fixed lens component with
The optical axis coincidence of the movable lens assembly.
As a kind of embodiment, the movable lens assembly includes the first lens and the first mirror of fixed first lens
Seat.The driving part includes：It is fixed on the circuit board on base；Wound around optical axis direction and be fixed on the first microscope base periphery
Focusing coil；It is arranged on focusing coil outer circumferential side and the multiple magnet being oppositely arranged with focusing coil every sky；For fixed described
The framework of multiple magnet；For by the first microscope base suspension be supported on the inside of the framework and can along the movable lens assembly light
The flat spring of direction of principal axis movement, the inner circumferential side of the flat spring connects the microscope base, and its outer circumferential side connects the framework；And it is many
The individual linear springs extended along optical axis direction, its one end is connected to base side, and the other end is connected to the framework side, will be described
The support of framework suspension is the state that can be moved along the optical axis direction perpendicular to the movable lens assembly.Wherein, the circuit board
On be provided with the multiple magnet every empty opposed multiple stabilization coils.
Further, the side of the close subject of the fixed lens component is provided with light path changing mechanism, the light
Road changing mechanism includes the 3rd microscope base, and a prism is connected on the 3rd microscope base, for by the light from subject direction
Reflect and be reflected towards the fixed lens component.
Further, the prism is rotatably connected on the 3rd microscope base.
As another embodiment, the movable lens assembly includes the first of the first lens and fixed first lens
Microscope base.The driving part includes：The circuit board on base is fixed on, the optical axis of the movable lens assembly is parallel to the electricity
Road plate surface；Set on circuit boards, around the multiple driving coils wound perpendicular to the direction of circuit board surface；It is fixed on
Multiple magnet in the one side to circuit board of one microscope base court, the plurality of magnet is opposed every sky with the multiple driving coil；With
And multiple edges, perpendicular to the linear springs of the direction extension of circuit board surface, its one end is connected to the first microscope base side, and the other end connects
Base side is connected on, for the first microscope base suspension to be supported as can be along the optical axis direction of the movable lens assembly and perpendicular to institute
State the state of the optical axis direction movement of movable lens assembly.
Further, in addition to multiple reeds being fixed on the first microscope base, the reed includes being used to be fixed on first
Fixed part on microscope base and the elastic cantilever extended from fixed part, the elastic cantilever extend the first microscope base it is outer and
In vacant state, one end of the linear springs is connected with the elastic cantilever, and the other end connects the circuit board.
Further, the supporting part that stretches out respectively on the side of optical axis both sides of first microscope base,
The reed is two panels, is separately fixed on two supporting parts.
Further, from perpendicular to the direction of circuit board, each supporting part is T-shaped, and wider one end is located at
At side away from the first microscope base, the end of narrower one end connects the side of the first microscope base；The shape of the fixed part of the reed
Shape is identical with supporting part and is fixed with supporting part, and at least a portion of the elastic cantilever is extended outside supporting part and in hanging shape
State.
Further, the elastic cantilever by repeatedly bending to prolong respectively along optical axis direction and perpendicular to the direction of optical axis
Stretch, and wider end and narrower end of its two ends respectively with fixed part are connected.
Existing technology is compareed, the invention has the advantages that：
Lens group is divided into movable lens assembly and fixed lens component by the present invention, by moving part in the direction of the optical axis
Movement can realize focusing and zoom function, can also realize that stabilization function, driving part are realized in the movement perpendicular to optical axis direction
Load capacity reduce so that realize the minimizing of driving part, it is lightening so that the integral thickness of camera is thinner, reduction
Power consumption.
Brief description of the drawings
A kind of structural representation for micro-optical zoom module embodiment one that Fig. 1 provides for the present invention.
Fig. 2 is the magnet of embodiment one and frame part structural representation.
Fig. 3 is the structural representation of the movable lens assembly of embodiment one.
Fig. 4 is the structural representation of the flat spring of embodiment one.
A kind of structural representation for micro-optical zoom module embodiment two that Fig. 5 provides for the present invention.
Fig. 6 is the structural representation of the movable lens assembly of embodiment two and anchor portion.
Fig. 7 is the prism structure schematic diagram of embodiment two.
Embodiment
For ease of skilled artisan understands that the present invention, below in conjunction with specific embodiments and the drawings the present invention is made into
One step is described in detail.
Embodiment one：
Referring to figs. 1 to Fig. 4, a kind of micro-optical zoom module that the present invention is provided includes base 1 and is connected to outer on base
Shell 2, shell 2 surrounds a receiving space, and the top surface of shell 2 with base 1（First face）On be formed with an opening 21.The miniature light
Zoom module is also including located at the interior movable lens assembly 3 being oppositely arranged with shell aperture 21 of receiving space, located at collecting sky
In be used to driving driving part 4 that movable lens assembly 3 moves along its optical axis direction or perpendicular to its optical axis direction and
It is fixed on the fixed lens component 5 on the top surface of shell 1.
Fixed lens component 5 includes the second lens 52 and the second microscope base 51 for supporting the second lens 52 of protection, and
The second base 53 for the frame shape being fixed on the first face of shell 2.It is not in micro-optical zoom module under working condition,
In the case that i.e. micro-optical zoom module transfixion and driving part 4 are not powered on, fixed lens component 5 and movable lens group
The optical axis of part 3 should be overlapped.For convenience of description, the optical axis hereinafter referred to refers both to micro-optical zoom module and is not in working condition
The optical axis of fixed lens component 5 and movable lens assembly 3 when lower.And be optical axis front close to the side of subject, away from quilt
The side for taking the photograph object is optical axis rear.Movable lens assembly 3 includes the first lens 32 and the first mirror for fixed first lens
Seat 31.
Specifically, driving part 4 mainly include being fixed on base 1 circuit board 41, be fixed on it is anti-on circuit board 41
Coil 47 is trembled, the focusing coil 42 of the periphery of the first microscope base 31 is wrapped in around the direction of optical axis and is circumferentially positioned at outside focusing coil
The multiple magnet 43 enclosed.Wherein, base 1 is square, and middle part is provided with through hole 11, and the middle part of circuit board 41 is also provided with corresponding through hole
411.The profile of first microscope base 31 is regular octagonal, and middle part is formed with the through hole for fixing lens.Coil 42 focus around first
The periphery wall of microscope base 31 is wound, also in octagonal shape.Magnet 43 is fixed on a framework 44.Framework 44 is generally square in cross-section, is set in
The periphery of first microscope base 31.The groove 441 for accommodating the end of magnet 43 is provided with four sides of framework 44.The present embodiment
In focusing coil is provided with 4 magnet, magnet is cuboid, and end is plugged among the groove 441 of framework 44, and right
The outer circumferential side of focal line circle 42 is opposed every sky.
Driving part 4 also includes being used for the suspension of the first microscope base 31 is supported in into the inner side of framework 44, and can be moved along optical axis direction
Dynamic flat spring 45.Overall flat spring 45 is in sheet panel shape, including substantially in the inner circumferential side 451 of annular, with 44 4 jiaos of framework
Corresponding four stators are used as outer circumferential side 452 and the elastic wrist 453 of connection inner circumferential side and outer circumferential side.Wherein inner circumferential side
It is connected with the first microscope base 31, outer circumferential side is connected on the corner of framework 44, wrist is radially with circumference and parallel to framework
The direction extension on four sides, with default elasticity.In the present embodiment, flat spring 45 is provided with two panels, respectively positioned at framework 44 and the
Two ends of one microscope base 31 along optical axis direction.When focusing coil 42 is powered, the Lorentz force of generation causes the first microscope base 31（To focal line
Circle 42）Can opposing frame 44（Magnet 43）Moved in the direction of optical axis, realize focusing and zoom function.
Driving part 4 also includes being provided with 4 directly in the multiple linear springs 46 extended along optical axis direction, the present embodiment
Wire spring.One end of linear springs 46 is connected to the side of base 1, and the other end is connected to the side of framework 44.In the present embodiment, linear springs
46 are arranged at corner, and one end is connected to the corner of the circuit board 41 of the side of base 1, and the other end is connected to the position of the side of framework 44
In front of optical axis direction（Close to subject side）Flat spring 45 corner.Under the support of linear springs 46, the first mirror
Seat 31 is suspended on base 1 with the framework 44 for being fixed with magnet 43.
The stabilization coil 47 being fixed on circuit board 41 is multiple coils being oppositely arranged with magnet 43 every sky, stabilization coil
47 around the direction winding parallel to optical axis, in Long Circle.In Fig. 1, stabilization coil 47 is formation（Pass through the modes such as etching）
In plate coil on circuit board, other embodiment, stabilization coil can be the multiple independent coils being wound by conductor wire.
When stabilization coil 47 is powered, Lorentz force and the magnet 43 of generation interact so that framework 44（Magnet 43）Drive lens phase
To base 1（Stabilization coil 47）Perpendicular to the movement of the direction of optical axis, stabilization is realized.
Circuit board 41 is used to be that focusing coil 42 and stabilization coil 47 are powered, and controls the size of delivery.
When it is implemented, micro-optical zoom module keeps optical axis direction vertical with image-forming component, and set via base
Above image-forming component.During work, light passes through from the second lens 52 of fixed lens component 5, then passes through movable lens group
First lens 32 of part 3, the output current of focusing coil 42 from circuit board 41 to driving part 4, first in the presence of magnet 43
Microscope base 31 realizes movement in the direction of the optical axis via the promotion of Lorentz force, so as to drive movable lens assembly in optical axis direction
Upper movement, reaches the restoring force and the equalization point of gravity of Lorentz force and flat spring, realizes the function of focusing and zoom so that
Clearly image is obtained on image-forming component.When there is shake to occur, driving part is to stabilization coil electricity, in magnet and straight line bullet
In the presence of spring, movable lens assembly can move up the purpose for reaching stabilization in the side perpendicular to optical axis.
Embodiment two：
Reference picture 5 is to Fig. 7, and a kind of micro-optical zoom module that the present embodiment is provided includes base 1 and is connected on base
Shell 2, shell 2 surrounds a receiving space, and a side of shell 2 with base 1（It is defined as the first face）On be formed with one and open
Mouth 21.The micro-optical zoom module also includes the movable lens assembly being oppositely arranged in receiving space with shell aperture 21
3rd, it is used to drive the drive division that movable lens assembly is moved along optical axis direction or perpendicular to optical axis direction in receiving space
Part 4 and the fixed lens component 5 being fixed on the first face of shell.In addition, in the close object of fixed lens component 5
The side of body is provided with a light path changing mechanism.
Fixed lens component 5 includes the second lens 52 and the second microscope base 51 for supporting the second lens 52 of protection, and
The second base 53 for the frame shape being fixed on the first face of shell 2.It is not in micro-optical zoom module under working condition,
In the case that i.e. micro-optical zoom module transfixion and driving part 4 are not powered on, fixed lens component 5 and movable lens group
The optical axis coincidence of part 3.For convenience of description, the optical axis hereinafter referred to refers both to micro-optical zoom module and is not under working condition
When fixed lens component 5 and movable lens assembly 3 optical axis, and close to the side of subject in front of optical axis, away from shot
The side of object is optical axis rear.Movable lens assembly includes the first lens 32 and the first microscope base for fixed first lens 32
31。
Light path changing mechanism 6 includes the 3rd microscope base 61, and the 3rd microscope base is provided with a prism 62, from subject direction
Light is reflected after entering prism, is then reflected towards fixed lens component.Can be rotatable between the microscope base 61 of prism 62 and the 3rd
Connection, light path changing mechanism may also include the drive mechanism that prism 62 can be driven to rotate the reflection path to change light（In figure
Do not represent）.
Driving part 4 mainly includes the circuit board 41 being fixed on base 1, the driving coil being fixed on circuit board 41
47 ', multiple magnet 43 towards the one side of circuit board 41 of the first microscope base 31 are fixed on.Meanwhile, along perpendicular to circuit board side
To being provided with multiple linear springs 46.Wherein, base 1 and circuit board 41 are square tabular.Driving coil 47 ' is around vertical
In the multiple Long Circle coils wound in the direction of circuit board, the present embodiment, multiple formation are employed（Pass through the modes such as etching）
Driving coil 47 ' on a single circuit board（Namely plate coil）, the single circuit board is substantially square, drives line
Circle 47 ' is separately positioned at four sides of the single circuit board, and corresponding with aforesaid plurality of magnet, while coil side and circuit
Edges of boards are parallel.Can be with magnet one coil of correspondence during specific implementation, also can the multiple coils of magnet correspondence.Other are implemented
In example, driving coil 47 ' can be the absolute coil that is gone out by wire intertwist.
First microscope base 31 is substantially square, and defines its one side relative with circuit board 41 for bottom surface, opposite with circuit board 41
One side be top surface, a pair of the sides relative and opposite with the opening 21 of shell 2 are first side, the face adjacent with first side
For second side.Then magnet 43 is fixed on the bottom surface of the first microscope base 31, and be oppositely arranged with driving coil 47 ' every sky.Lens
It is maintained in the hole of the first side of the first microscope base 31, and it is relative with the opening 21 of shell 2.
Extend a supporting part 311,312 laterally in two second sides of the first microscope base 31.From perpendicular to electricity
The direction observation of road plate 41, each supporting part 311,312 is T-shaped, and wider one end（The transverse part of T words）It is located remotely from second
At side, narrower one end（The vertical part of T words）End connection second side.A spring is fixed on each supporting part 311,312
Piece 7.
Reed 7 is in plate/sheet, and it has a shape and shape of the supporting part 311 on the direction perpendicular to circuit board 41
Identical fixed part 71, also with two elastic cantilevers extended from two ends being located on optical axis direction of fixed part
72.That is, reed 7 includes a fixed part 71 and is connected to two elastic cantilevers 72 at fixed part two ends, fixed part and carrying
Portion 311 is fixedly connected, and elastic cantilever 72 is hanging in the outside of supporting part 311, and elastic cantilever 72 is in the case where not stressing and solid
Determine in portion is generally aligned in the same plane.Specifically, in the present embodiment, the end of each elastic cantilever 72 is from the fixed part 71 of reed 7
Wider one end（The transverse part of T words）End extend along optical axis direction, then bending and towards the second side of the first microscope base 31
Direction extends, and then bends the narrower part extension towards fixed part, then proceedes to bending second towards the first microscope base 31
Side surface direction extends, and finally bends the narrower portion towards fixed part again in the position of the second side close to the first microscope base 31
Divide extension, and finally the close end of the narrower part with fixed part is connected.
4 linear springs 46 are provided with the present embodiment, one end of linear springs 46 is connected to the side of the first microscope base 31, specifically
For on the elastic cantilever 72 of reed 7, the other end is connected to the side of base 1, the specially corner of circuit board 41.By linear springs
46, the gradient of movable lens group is maintained within the specific limits, while the first microscope base 31 that remain lens is supported on by suspension
On base 1 so that the first microscope base 31 can be moved along the direction parallel to circuit board.
When driving coil 47 ' is powered, in the presence of magnet 43, it produces Lorentz force and magnetic interaction, can
Promote movable lens assembly to be moved up in optical axis direction or perpendicular to the side of optical axis, realize focusing or zoom and the work(of stabilization
Energy.
In specific implementation process, circuit board 41 gives one group of driving coil 47 ' being located on optical axis direction to be powered, in magnet 43
In the presence of realize that the first lens 32 of movable lens assembly 3 are moved in the direction of the optical axis via the promotion of Lorentz force, realize
Focusing and the function of zoom.Circuit board 41 gives one group of driving coil 47 ' being located normal on optical axis direction to be powered, in magnet 43
In the presence of realize that the first lens 32 of movable lens assembly 3 are moved up in the direction perpendicular to optical axis via the promotion of Lorentz force
It is dynamic, realize the function of stabilization.
During work, the light from subject is first into prism 62, and light is reflected after entering prism, then
Reflex at fixed lens component 5, light passes through from the second lens 52 of fixed lens component, then passes through movable lens group
First lens 32 of part 3, circuit board 41 drives movable lens assembly 3 to move to the output current of driving coil 47 ' of driving part
It is dynamic so that clearly image is obtained on image-forming component.
In the present embodiment, reed 7 is fixed on two supporting parts 311,312 of the first microscope base 31, can in other embodiment
Cancel supporting part, the fixed part 71 of reed 7 can be directly fixed in the top surface of the first microscope base 31 or bottom surface or second side, as long as
At least a portion of elastic cantilever 72 is in unobstructed vacant state, to connect the end of linear springs 46, realizes flat spring
Function.Elastic cantilever 72 can be with fixed part 71 not in approximately the same plane, and such as fixed part can be L-shaped, and a part is fixed on
In the second side of first microscope base, another part is connected to extension on the outside of the first microscope base and with elastic cantilever so that elastic cantilever
Vacantly.
In other embodiment, wider one end of supporting part can be connected with the second side of the first microscope base, and narrower by one
Hold as free end.
In other embodiment, the shape of the elastic arm of reed is deformable, as long as it is by repeatedly bending and along optical axis direction
With perpendicular to the extension of the direction of optical axis, similar elastic deformation and recovery effects also can reach.The two ends of elastic arm respectively with spring
The wider end of the fixed part 71 of piece is connected with narrower end, so that vacantly.
In the two embodiments, the first lens 32 of movable lens assembly 3 can stretch out from the opening 21 of shell 2, from
And protrude from outside shell 2, it is therefore desirable to the frame height of second base 53/the second microscope base of isolation 51.In other embodiment, if movable mirror
First lens 32 of head assembly 3 will not stretch out opening 21, then can cancel second base 53, and the second microscope base 51 can be directly anchored to outer
On shell 2.
Lens group is divided into movable lens assembly and fixed lens group by the present invention, and moving part is driven by driving part
Movement in the direction of the optical axis can realize focusing and zoom function, and driving moving part is moved up in the side perpendicular to optical axis
Stabilization function can be achieved, the load capacity of driving part is greatly decreased, thus realize the minimizing of driving part, it is lightening, make
The integral thickness for obtaining camera is thinner, and width is narrower, and then can improve drive efficiency reduction power consumption.
Although description of this invention combination embodiments above is carried out, those skilled in the art
Many replacements, modifications and variations can be carried out according to above-mentioned content, be obvious.Therefore, it is all such to substitute, change
Enter and change is included in scope of the appended claims.
Claims (10)
1. a kind of micro-optical zoom module, it is characterised in that including：
Base（1）；
It is connected to the shell on base（2）, shell and base surround and opening are formed with a receiving space, and the first face of shell
（21）；
It is arranged on movable lens assembly in the receiving space, corresponding with the opening（3）；
It is arranged in the receiving space, for driving the movable lens assembly（3）Along optical axis direction and perpendicular to optical axis side
The driving part of at least one direction movement in（4）；And
The fixed lens component being fixed on the first face of the shell（5）.
2. micro-optical zoom module according to claim 1, it is characterised in that the fixed lens component（5）Including
Second lens（52）And for supporting the second microscope base of the second lens of protection（51）, it is static not in the micro-optical zoom module
Dynamic and driving part（4）In the case of being not powered on, the fixed lens component（5）With the movable lens assembly（3）Optical axis
Overlap.
3. micro-optical zoom module according to claim 2, it is characterised in that the movable lens assembly（3）Including
First lens（32）And the first microscope base of fixed first lens（31）；
The driving part（4）Including：
It is fixed on base（1）On circuit board（41）；
The focusing coil of the first microscope base periphery is wound and is fixed on around optical axis direction（42）；
It is arranged on focusing coil outer circumferential side and the multiple magnet being oppositely arranged with focusing coil every sky（43）；
Framework for fixing the multiple magnet（44）；
For the first microscope base suspension to be supported on the inside of the framework and can be moved along the optical axis direction of the movable lens assembly
Flat spring（45）, the inner circumferential side of the flat spring connects the microscope base, its outer circumferential side connection framework；And
Multiple linear springs extended along optical axis direction（46）, its one end is connected to base side, and the other end is connected to the framework
Side, the state as that can be moved along the optical axis direction perpendicular to the movable lens assembly is supported by the framework suspension；
Wherein, it is provided with the circuit board with the multiple magnet every empty opposed multiple stabilization coils（47）.
4. micro-optical zoom module according to claim 2, it is characterised in that the fixed lens component（5）Lean on
The side of nearly subject is provided with light path changing mechanism（6）, the light path changing mechanism include the 3rd microscope base（61）, a prism
（62）It is connected on the 3rd microscope base, for by the anaclasis from subject direction and being reflected towards the fixed lens group
Part.
5. micro-optical zoom module according to claim 4, it is characterised in that the prism（62）It is rotatably connected to
3rd microscope base（61）On.
6. micro-optical zoom module according to claim 4, it is characterised in that the movable lens assembly（3）Including
First lens（32）And the first microscope base of fixed first lens（31）；
The driving part（4）Including：
It is fixed on the circuit board on base（41）, the optical axis of the movable lens assembly is parallel to the circuit board surface；
Set on circuit boards, around the multiple driving coils wound perpendicular to the direction of circuit board surface（47’）；
It is fixed on multiple magnet in the one side towards circuit board of the first microscope base（43）, the plurality of magnet and the multiple driving
Coil is opposed every sky；And
The linear springs that multiple edges extend perpendicular to the direction of circuit board surface（46）, its one end is connected to the first microscope base side, separately
One end is connected to base side, for by the first microscope base suspension support as can along the movable lens assembly optical axis direction and hang down
The state that the straight optical axis direction in the movable lens assembly is moved.
7. micro-optical zoom module according to claim 6, it is characterised in that be also fixed on the first microscope base including multiple
（31）On reed（7）, the reed includes being used to be fixed on fixed part on the first microscope base（71）And prolong from fixed part
The elastic cantilever stretched（72）, it is in outside vacant state that the elastic cantilever, which extends the first microscope base, the linear springs
One end is connected with the elastic cantilever, and the other end connects the circuit board（41）.
8. micro-optical zoom module according to claim 7, it is characterised in that first microscope base（31）Be located at light
Stretch out a supporting part respectively on the side of axle both sides（311,312）, the reed（7）For two panels, it is separately fixed at
On two supporting parts.
9. micro-optical zoom module according to claim 8, it is characterised in that from perpendicular to circuit board（41）Direction
Observation, each supporting part（311,312）T-shaped and wider one end is located remotely from the first microscope base（31）Side at, it is narrower
One end end connect the first microscope base side；The fixed part of the reed（71）Shape it is identical with supporting part and with carrying
Portion is fixed, the elastic cantilever（72）At least a portion extend supporting part it is outer and in vacant state.
10. micro-optical zoom module according to claim 9, it is characterised in that the elastic cantilever（72）Through excessive
It is secondary bending with respectively along optical axis direction and perpendicular to optical axis direction extend, and its two ends respectively with fixed part（71）It is wider
End is connected with narrower end.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451921.3A CN107135344B (en) | 2017-06-15 | 2017-06-15 | Miniature optical zoom module |
| TW107114416A TWI718370B (en) | 2017-06-15 | 2018-04-27 | Micro optical zoom module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451921.3A CN107135344B (en) | 2017-06-15 | 2017-06-15 | Miniature optical zoom module |
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| Publication Number | Publication Date |
|---|---|
| CN107135344A true CN107135344A (en) | 2017-09-05 |
| CN107135344B CN107135344B (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710451921.3A Active CN107135344B (en) | 2017-06-15 | 2017-06-15 | Miniature optical zoom module |
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| Country | Link |
|---|---|
| CN (1) | CN107135344B (en) |
| TW (1) | TWI718370B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873230A (en) * | 2018-08-22 | 2018-11-23 | 惠州大亚湾三美达光学技术有限公司 | Slim lens motor |
| CN109143527A (en) * | 2018-10-30 | 2019-01-04 | 宁波创为机电科技有限公司 | A kind of autozoom and the optical imagery mechanism with stabilization function |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107135344B (en) | 2022-12-16 |
| TWI718370B (en) | 2021-02-11 |
| TW201905568A (en) | 2019-02-01 |
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