CN109856891A - Anti-shaking structure, stabilization system and photographic device - Google Patents
Anti-shaking structure, stabilization system and photographic device Download PDFInfo
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- CN109856891A CN109856891A CN201910218717.6A CN201910218717A CN109856891A CN 109856891 A CN109856891 A CN 109856891A CN 201910218717 A CN201910218717 A CN 201910218717A CN 109856891 A CN109856891 A CN 109856891A
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Abstract
The present invention provides a kind of Anti-shaking structure, stabilization system and photographic devices.Anti-shaking structure includes: pedestal；Shell, shell are located at the outside of pedestal and form accommodating cavity between；Lens supports body, lens supports body are arranged in accommodating cavity；At least four groups of PIN end feet structures, at least four groups of PIN end feet structures are located in accommodating cavity, and each side edge of pedestal is correspondingly arranged at least one set of PIN end feet structure, each group PIN end feet structure includes the first PIN end feet, the 2nd PIN end feet, tabletting, and the first PIN end feet and the 2nd PIN end feet be set on the base independently of one another, tabletting is arranged on lens supports body；More SMA silk threads, each group PIN end feet structure are correspondingly connected with the SMA silk thread of two settings intersected with each other, wherein the first PIN end feet is connect by a SMA silk thread with tabletting, and the 2nd PIN end feet is connect by another SMA silk thread with tabletting.The present invention solves the problems, such as that the internal structure of Anti-shaking structure in the prior art is complicated.
Description
Technical field
The present invention relates to camera technical fields, fill in particular to a kind of Anti-shaking structure, stabilization system and camera shooting
It sets.
Background technique
The photo that the electronic equipments such as mobile phone are taken in shooting process is apprehensive sometimes, that is, it is not clear enough to shoot the picture come
Clear, there is a situation where ghost images or fuzzy.These reasons, other than (i.e. pick-up lens fails normally to focus) out of focus once in a while,
Occur caused by fine jitter when being largely because photographed exposure.In general, often being sent out under hand-held condition
The phenomenon that raw this extremely slight shake.In this context, the motion of OIS (optical image stabilizing system) optical anti-vibration function
Increase therewith, micro-optical stabilization technology is gradually adopted by all kinds of high-end handsets, wishes to that low luminous environment is effectively reduced whereby
Under take fuzzy photo probability and effectively solve shooting process in it is handshaking caused by puzzlement.However relative to generally certainly
For dynamic focusing motor, the product structure for having an OIS optical anti-vibration function is more complicated, production efficiency and yield are lower, therefore opens
Hair has certain difficulty.
The major function of OIS Anti-shaking structure are as follows: when photographic device is in energization operational process, as X, Y direction are trembled
, it can be achieved that carrying out deviation rectifying to X-axis and Y-axis when camera lens deviation caused by dynamic, reply immediately by the automatic correction to deviation and fastly
Position, finally obtains the stable imaging effect of high quality.
Commonly there are two types of technologies substantially by OIS at present, and one is SHIFT (parallel-moving type) mode, another kind is that TITLE (is moved
Shaft type) mode.The working principle of SHIFT mode is that have two groups of motors on entire platform, is exactly X, Y-axis control shake, Z axis control
System is AF.The driving method of two groups of motors is all coil drive formula.Two groups of bottom coil carries out position by Hall element
Identification.The working principle of Z axis and normal AF working principle are consistent.The optical anti-vibration function operation principle of TITLE mode
It is there are four sets of coils on a motion carrier, by being separately energized for four sets of coils, carries out the optical axis change during control AF
Change.For utilization, SHIFT and TITLE in terms of the stabilization function for, can achieve the effect that optical anti-vibration, at present city
Mobile phone basicusing on field is all one of the two ways.
From size angle analysis.The mode of SHIF, due to the requirement of high pixel, camera lens is bigger on the whole, simultaneously
Due to the operation and adjustment of AF when Z axis is cooperated to make stabilization by X, Y, it is necessary to which there are certain amount of space on Z axis monomer.So
Size is bigger in SHIFT mode OIS overall structure.And the OIS of TITLE mode is substantially only with control four groups of lines of motor body
The movement of circle, so can accomplish more to minimize in terms of size on the whole.
From production angle analysis.SHIFT mode can carry out the coil of substitution X, Y with high-end PCB, so
The production of coil can be carried out on pcb board, immediately comparatively technique wants simple suitable amount so the OIS of SHIFT mode is in group
It produces, integrated height.And made on the motor integrated artistic of TITLE mode it is cumbersome, welding aspect need multiple solder joints, seriously affect
Assembling volume production yields and production.
From cost and anti-shake effect angle analysis.SHIFT mode motor, comparatively, component cost is relatively high, and four outstanding
Silk, in addition PCB, in addition Hall element and four blocks of magnetites more extra than TITLE, the PCB of whole upper bottom portion requires more enough
Height, X, Y-axis motor thrust can be adjusted, and thrust is larger, and anti-shake effect wants quite a lot of with respect to TITLE mode, but volume ratio is just
Normal AF is big.Comparatively the motor component cost of TITLE mode wants low, but controlled in finished product yield it is relatively difficult, it is right
Very high in the required precision of component, there is also the contradictory problems due to thrust and TITLE adjustment angle, if thrust is big,
The gap of magnetite and coil certainly will want greatly, to cause magnetism circuit that cannot rationally utilize, whole power consumption requirements are bigger.
It can be seen from the above, SHIFT (parallel-moving type) in the prior art and TITLE (shift shaft type) OIS motor, in whole stabilization
All there are certain complexity and respective drawback problem in functional structure.
Summary of the invention
The main purpose of the present invention is to provide a kind of Anti-shaking structure, stabilization system and photographic devices, to solve existing skill
The problem of the internal structure complexity of Anti-shaking structure in art.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of Anti-shaking structure, comprising: pedestal；Outside
Shell, shell are located at the outside of pedestal and form accommodating cavity between；Lens supports body, the setting of lens supports body are accommodating
It is intracavitary；At least four groups of PIN end feet structures, at least four groups of PIN end feet structures are located in accommodating cavity, and each side edge of pedestal is right
It should be provided at least one set of PIN end feet structure, each group PIN end feet structure includes the first PIN end feet, the 2nd PIN end feet, pressure
Piece, and the first PIN end feet and the 2nd PIN end feet are set on the base independently of one another, tabletting is arranged on lens supports body；More
SMA silk thread, each group PIN end feet structure are correspondingly connected with the SMA silk thread of two settings intersected with each other, wherein a SMA silk thread will
First PIN end feet is connect with tabletting, and the 2nd PIN end feet is connect by another SMA silk thread with tabletting.
Further, the first PIN end feet and the 2nd PIN end feet are located at the side corner of pedestal；And/or tabletting is located at thoroughly
At the side corner of mirror supporter.
Further, the PIN end feet structure of two adjacent groups is arranged along the diagonal mirror images of pedestal.
Further, the first end of the first end of the first PIN end feet and the 2nd PIN end feet from accommodating cavity to overhanging
Out.
Further, in same group of PIN end feet structure, the second end of the first PIN end feet and the second end of the 2nd PIN end feet
It is connected as line end from different SMA silk threads, and the second end of the first PIN end feet and the second end of the 2nd PIN end feet exist
Interval is arranged to form difference in height in the axial direction of lens supports body, and two connecting pins of tabletting have in the axial direction of lens supports body
There is difference in height and is connected respectively from different SMA silk threads.
Further, the line of the second end of the second end and the 2nd PIN end feet of the first PIN end feet is parallel to lens supports
The axial direction of body；And/or the line between two connecting pins of tabletting is parallel to the axial direction of lens supports body.
Further, the middle part of tabletting has extended segment for fixing with lens supports body.
Further, at least one first rivet hot column, tabletting, the first end PIN are provided on lens supports body and/or pedestal
At least one of foot and the 2nd PIN end feet are connect by way of rivet hot with the first rivet hot column.
Further, pedestal has the pillar extended towards the top surface side of shell, and the lateral surface of pillar has groove
For accommodating the first PIN end feet and the 2nd PIN end feet, and groove extend to pedestal bottom surface so that the first PIN end feet first
The first end of end and the 2nd PIN end feet is from accommodating intracavitary stretching.
Further, pillar is two, and two pillars are located at one group of corner portion being oppositely arranged of pedestal, each pillar
Two lateral surfaces be each provided with a groove.
Further, pedestal have towards shell top surface side extend pillar, pillar towards lens supports body one
Side is provided with guiding groove, and the extending direction of guiding groove is parallel to the axial direction of lens supports body, at the lateral edge of lens supports body
It is provided with guide post, guide post is located in guiding groove and can move along guiding groove, and has fortune between guide post and guiding groove
Dynamic gap.
Further, the top surface of guide post is higher than the top surface of lens supports body.
Further, at least one touching top limited post, touching top limited post and shell are provided on the top surface of lens supports body
Inner surface reserve fit-up gap, so as to form movement clearance between the upper surface of lens supports body and the inner surface of shell.
Further, guide post is provided at the lateral edge of lens supports body, the top surface of guide post is higher than lens supports
The top surface of body, and the either flush of the top surface of guide post and touching top limited post.
Further, touching top limited post is two and is located at one group of corner portion being oppositely arranged of lens supports body；
Guide post is two and is located at another group of corner portion being oppositely arranged of lens supports body.
Further, at least part potting of tabletting is in lens supports body, and the connecting pin of tabletting is located at lens branch
The outside of support body；And/or the first PIN end feet at least part potting in pedestal, and the line end of the first PIN end feet is located at
The outside of pedestal；And/or the 2nd PIN end feet at least part potting in pedestal, and the line end of the 2nd PIN end feet is located at
The outside of pedestal.
Further, Anti-shaking structure further includes at least one spring, and spring is between pedestal and lens supports body, and bullet
One end of spring is connect with pedestal, and the other end of spring is connect with lens supports body.
Further, at least one second rivet hot column, at least one end of spring are provided on lens supports body and/or pedestal
It is connect by way of rivet hot with the second rivet hot column.
Further, spring be two, two springs be arcuate structure and in the symmetrical mode in angle be arranged in pedestal with
Between lens supports body, two springs one end close to each other is connect with lens supports body and pedestal respectively.
Further, the side of pedestal towards spring is provided with resigning groove, to provide extending space for spring；And/or
Lens supports body has ladder-like overmoving surface towards the side of spring, to provide deformation space for spring.
Further, lens supports body has ladder-like overmoving surface towards the side of spring, and one end of spring is connected to rank
To be arranged with pedestal interval at scalariform overmoving surface.
Further, guide post is provided at the lateral edge of lens supports body, the side of guide post towards spring has
Resigning portion is interfered to avoid with spring.
According to another aspect of the present invention, a kind of stabilization system is provided, including above-mentioned Anti-shaking structure.
According to another aspect of the present invention, a kind of photographic device is provided, including above-mentioned stabilization system.
It applies the technical scheme of the present invention, the Anti-shaking structure in the application includes: pedestal, shell, lens supports body, at least
Four groups of PIN end feet structures and Duo Gen SMA silk thread.Shell is located at the outside of pedestal and forms accommodating cavity between；Lens
Supporter is arranged in accommodating cavity；At least four groups of PIN end feet structures are located in accommodating cavity, and each side edge of pedestal correspondence is set
It is equipped at least one set of PIN end feet structure, each group PIN end feet structure includes the first PIN end feet, the 2nd PIN end feet, tabletting, and
First PIN end feet and the 2nd PIN end feet are set on the base independently of one another, and tabletting is arranged on lens supports body；The end each group PIN
Leg structure is correspondingly connected with the SMA silk thread of two settings intersected with each other, wherein a SMA silk thread is by the first PIN end feet and tabletting
2nd PIN end feet is connect by connection, another SMA silk thread with tabletting.
Using above structure Anti-shaking structure when, by using SMA silk thread respectively to the pressure being arranged on lens supports body
Piece and the first PIN end feet being fixed on the base and the 2nd PIN end feet are attached, so as to pass through in Anti-shaking structure
The length of SMA silk thread is adjusted, and is controlled lens supports body, realize lens supports body different directions (X Y Z tri-
Direction) movement.Again due to after being driven using SMA silk thread to lens supports body, so that the Anti-shaking structure in the application
Main component be shell, pedestal, lens supports body, PIN end feet structure and SMA silk thread so that the inside of Anti-shaking structure
Structure becomes simpler, and then while guaranteeing normal stabilization function, reduces the overall structure of Anti-shaking structure.And
It is correspondingly arranged at least one set of PIN end feet structure by each side edge of pedestal, SMA silk thread can be guaranteed to lens supports body
The more accurate stabilization of driving.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic diagram of the Anti-shaking structure of a specific embodiment according to the present invention；
Fig. 2 shows the signals of the connection structure of the pedestal of the Anti-shaking structure in Fig. 1, PIN end feet structure and SMA silk thread
Figure；
The connection structure that Fig. 3 shows the pedestal of the Anti-shaking structure in Fig. 1, lens supports body and PIN end feet structure is shown
It is intended to；
Fig. 4 shows the explosive view of the Anti-shaking structure in Fig. 1；
Fig. 5 shows the pedestal of the Anti-shaking structure in Fig. 1 and the attachment structure schematic diagram of spring；
Fig. 6 shows the schematic diagram of the Anti-shaking structure of another specific embodiment according to the present invention；
Fig. 7 shows the connection relationship diagram of the lens supports body in Fig. 6 and tabletting；
Fig. 8 shows pedestal and the first PIN end feet, the connection relationship diagram of the 2nd PIN end feet in Fig. 6.
Wherein, the above drawings include the following reference numerals:
10, pedestal；11, pillar；111, groove；112, guiding groove；12, resigning groove；20, shell；30, lens supports
Body；31, guide post；311, resigning portion；32, touching top limited post；33, ladder-like overmoving surface；40, PIN end feet structure；41, first
PIN end feet；411, the first end of the first PIN end feet；412, the second end of the first PIN end feet；42, the 2nd PIN end feet；421,
The first end of two PIN end feets；422, the second end of the 2nd PIN end feet；43, tabletting；431, extended segment；50, SMA silk thread；60,
One rivet hot column；70, spring；80, the second rivet hot column；90, pressuring line groove.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually needle
For direction shown in the drawings, or for component itself is on vertical, vertical or gravity direction；Equally
Ground for ease of understanding and describes, and " inside and outside " refers to the inside and outside of the profile relative to each component itself, but the above-mentioned noun of locality is not
For limiting the present invention.
Internal structure in order to solve the problems, such as Anti-shaking structure in the prior art is complicated, and this application provides a kind of stabilization knots
Structure, stabilization system and photographic device.
Wherein, photographic device includes stabilization system, and stabilization system includes Anti-shaking structure.By using the stabilization in the application
System, in the anti-shudder performance that can effectively improve photographic device, avoid the occurrence of taken using photographic device it is fuzzy, unsharp
While image, photographic device the space occupied is effectively reduced.
Embodiment one
As shown in Figures 1 to 5, the Anti-shaking structure in the application includes pedestal 10, shell 20, lens supports body 30, at least
Four groups of PIN end feet structures 40, more SMA silk threads 50 and spring 70.Shell 20 is located at the outside of pedestal 10 and between
Form accommodating cavity；Lens supports body 30 is arranged in accommodating cavity；At least four groups of PIN end feet structures 40 are located in accommodating cavity, and bottom
Each side edge of seat 10 is correspondingly arranged at least one set of PIN end feet structure 40, and each group PIN end feet structure 40 includes first
PIN end feet 41, the 2nd PIN end feet 42 and tabletting 43, and setting exists independently of one another for the first PIN end feet 41 and the 2nd PIN end feet 42
On pedestal 10, tabletting 43 is arranged on lens supports body 30；Each group PIN end feet structure 40 is correspondingly connected with two and intersected with each other sets
The SMA silk thread 50 set, wherein the first PIN end feet 41 is connect by a SMA silk thread 50 with tabletting 43, and another SMA silk thread 50 will
2nd PIN end feet 42 is connect with tabletting 43.
Using above structure Anti-shaking structure when, by using SMA silk thread 50 respectively to be arranged on lens supports body 30
Tabletting 43 and the first PIN end feet 41 that is fixed on pedestal 10 and the 2nd PIN end feet be attached, so as in stabilization knot
It is adjusted in structure by the length of SMA silk thread 50, lens supports body 30 is controlled, realize lens supports body 30 in difference
The movement in direction (X Y tri- directions Z).
It should be pointed out that when being moved with the multiple groups PIN end feet structure 40 that the embodiment of the application provides, it can be simultaneously
Drive lens supports body 30 X Y tri- directions Z fine tuning, the movement of such step realizes multi-faceted adjustment, greatlys save
The time of adjustment, and the effect of synchronization action is can accurately to adjust in place, error when all directions being avoided to individually adjust
Between influence, to further improve the precision of adjustment.
Due to after being driven using SMA silk thread 50 to lens supports body 30, so that Anti-shaking structure in the application
Main component is only shell 20, pedestal 10, lens supports body 30, PIN end feet structure 40, SMA silk thread 50 and spring 70, therefore
So that the internal structure of Anti-shaking structure becomes simpler, and then while guaranteeing normal stabilization function, reduce stabilization
The overall structure of structure.And at least one set of PIN end feet structure 40 is correspondingly arranged on by each side edge of pedestal 10, it can
Guarantee SMA silk thread 50 to the more accurate stabilization of the driving of lens supports body 30.
SMA silk thread 50 of the present invention is a kind of nickel-titanium alloy material, and SMA is the contracting of English Shape Memory Alloy
Abbreviation is the meaning of " marmem ".SMA silk thread 50 has the characteristics that pyrocondensation is cold and rises, when electric current flows into SMA silk thread 50
When, SMA silk thread 50 is heated to be started to shrink, and side elastic force is overcome；When the current is switched off, bias elastic overcomes SMA silk thread silk power, starts
It is cold to rise.In short, SMA silk thread 50 (Nitinol) pyrocondensation cold expanding, energization changes material structure, and making material, deformation occurs to reach
The purpose driven to moving parts position.
It specifically, in the detailed process using SMA silk thread 50, is led to according to the characteristic of 50 pyrocondensation cold expanding of SMA silk thread
The size of change electric current is crossed to change the length of SMA silk thread 50, to realize the movement of driving lens supports body 30, controls lens branch
Support body 30 is moved towards set direction, i.e., distance element moves entire lens supports body 30 to realize the movement to its camera lens mounted
Change focal length, the final purpose for realizing sharp image.Due to 50 deformation of SMA silk thread, so that the resistance of SMA silk thread 50 generates change
Change, measures the resistance of SMA silk thread 50, can accurately calculate the length of SMA silk thread 50, and then its lens branch can be calculated
Support body 30 X Y Z axis displacement.External control mechanism is in operation state of a control to location information always, in action process
In fed back by the reception, processing and signal of location information, a constant current is inputted to each PIN end feet structure 40, so as to stabilization
The center that its whole service process is constantly in Z axis optical axis direction is controlled, the purpose of fast accurate focusing is completed.The present invention
Using the attributive character of more SMA silk threads 50 itself, it is equipped with whole succinct reasonable design structure, not only there is common AF motor
Focus function is driven in Z-direction, while X-Y axial position issuable in operational process shaking has been subject to extremely effective
Overcome, the anti-shudder performance of OIS is very brilliant.
In this embodiment, PIN end feet structure 40 is with four groups, and respectively corresponds a side of pedestal 10.
In Fig. 2 and specific example shown in Fig. 3, the first PIN end feet 41 and the 2nd PIN end feet 42 are located at the side of pedestal 10
Face corner portion；And tabletting 43 is located at the side corner of lens supports body 30.In this specific embodiment, with group PIN end feet knot
In structure 40, the first PIN end feet 41 and the 2nd PIN end feet 42 are located at the side corner of the same pedestal 10, and and with group
Tabletting 43 is located at conplane two sides.And the 2nd PIN end feet 42 only by the first PIN end feet 41 be arranged.In this way, tabletting
43 and the first spacing distance long enough between PIN end feet 41 and the 2nd PIN end feet 42, in order to connect SMA silk thread 50.And if
The length of SMA silk thread 50 is enough long, can be improved enough driving forces to drive the lens supports body 30 to be moved.
Certainly, the first PIN end feet 41, the 2nd PIN end feet 42, tabletting 43 also have to not necessarily be placed on corner portion, can also be with
It is moved at toward the center of the side of pedestal 10, the length distance of SMA silk thread 50 just has corresponding change therewith, to a certain degree
On also can the driving effect on SMA silk thread 50 bring certain influence.
In addition it is noted that the second end 422 and tabletting 43 of the second end 412 of the first PIN end feet and the 2nd PIN end feet
Upper and lower position in the axial direction can be also adjusted accordingly, after adjustment up and down 90 position of pressuring line groove and lens supports body 30 up and down
End face can maintain an equal level, but the height of touching top limited post 32 is not to be exceeded in 90 top position of highest pressuring line groove height.More into one
Step, the pressuring line groove 90 of the pressuring line groove 90 and tabletting 43 of the first PIN end feet 41 and the 2nd PIN end feet 42 also can according to actual needs,
It can make the different degrees of protrusion in outer circumferential, while protruding degree to avoid the interference that is in contact conducive to the SMA silk thread 50 intersected
Possibility, combine and to practical crimping operate convenience.Even so, even if in actual moving process, intersection
SMA silk thread 50 is in contact, and will not cause the problem of short circuit.The outer surface of SMA silk thread 50 has insulating coating, therefore will not cause
The problem of short circuit.50 part of SMA silk thread in pressuring line groove 90 carries out insulating coating in advance and handles, thus and crimping
Section portion, which realizes, is electrically connected conducting.It is worth noting that, its protrusion degree can not be too random, whole motor should be met
Miniaturization Design theory.On the whole, the pressuring line groove 90 of each upper and lower position between each other, preferably follows together in circumferential horizontal position height
One height principle.
As shown in Figures 2 to 4, the PIN end feet structure 40 of two adjacent groups is arranged along the diagonal mirror images of pedestal 10.
It is arranged in this way, when controlling lens supports body 30 by SMA silk thread 50, can guarantees the entirety of Anti-shaking structure
Structure is more stable, and enhances the anti-shudder performance of Anti-shaking structure, avoids the lens supports body 30 during SMA silk thread 50 stretches
It shakes.
Specifically, the first end 411 of the first PIN end feet and the first end 421 of the 2nd PIN end feet by accommodating cavity from inside to outside
It stretches out.It is arranged in this way, the first end 421 of the first end 411 and the 2nd PIN end feet that can guarantee the first PIN end feet can
Stretching out shell 20 respectively can be more during Anti-shaking structure is completed and Anti-shaking structure is mounted on stabilization system
The electrical connection of first PIN end feet 41 and the 2nd PIN end feet 42 easy to accomplish.Also, it is arranged in this way, first can also be made
PIN end feet 41 and the 2nd PIN end feet 42 are more easier to carry out grafting.
Specifically, in same group of PIN end feet structure 40, the of the second end 412 of the first PIN end feet and the 2nd PIN end feet
Two ends 422 are connected as line end from different SMA silk threads 50, and the second end 412 of the first PIN end feet and the 2nd end PIN
The second end 422 of foot is spaced in the axial direction of lens supports body 30 to be arranged to form difference in height, and two connecting pins of tabletting 43 exist
It is connected in the axial direction of lens supports body 30 with difference in height and respectively from different SMA silk threads 50.Due in this Anti-shaking structure
In, it needs that each SMA silk thread 50 is individually electrically connected and is controlled, while also needing to guarantee that each SMA silk thread 50 has
Certain space can guarantee in Anti-shaking structure so being arranged in this way, will not produce between different SMA silk threads 50
While life interferes, additionally it is possible to guarantee that the arrangement of end feet structure and SMA silk thread 50 is more compact, regular.In addition, such
Set-up mode can provide enough spaces for SMA silk thread 50, to be used to accommodate longer SMA silk thread 50, to improve SMA silk thread 50
Driving force, to guarantee the movement effects of lens supports body 30.
As shown in figure 4, the second end 412 of the first PIN end feet and the second end 422 of the 2nd PIN end feet are respectively arranged with pressure
Wire casing 90 with SMA silk thread 50 for connecting.It is arranged in this way, can guarantees the second end 412 and second of the first PIN end feet
The second end 422 of PIN end feet connect stronger with SMA silk thread 50.
Similarly, same pressuring line groove can also be set in the end of tabletting 43, for connecting SMA silk thread 50.
Optionally, the line of the second end 422 of the second end 412 and the 2nd PIN end feet of the first PIN end feet is parallel to lens
The axial direction of supporter 30.In specific embodiment shown in Fig. 2, one is long and the other is short for the first PIN end feet and the 2nd PIN end feet, so as to
Be staggered a certain distance in the height direction, to form difference in height.
Optionally, the line between two connecting pins of tabletting 43 is parallel to the axial direction of lens supports body 30.
Since the first PIN end feet 41 and the 2nd PIN end feet 42 are connect by different SMA silk threads 50 with tabletting 43 respectively,
So being arranged in this way, the control to SMA silk thread 50 can be made to be more easier.Also, it is entire due to lens supports body 30
Actuation process controls lens supports body 30 by SMA silk thread 50, and needs in the course of normal operation of Anti-shaking structure
Meet the movement of X-axis, Y-axis and Z-direction, so setting can allow lens supports body 30 more accurately not in this way
It is equidirectional to be moved, guarantee that contact will not be generated in the stretching of different SMA silk threads 50 and contraction process.
Specifically, the middle part of tabletting 43 has extended segment 431 for fixed with lens supports body 30.Due to SMA silk thread
The control of 50 pairs of lens supports bodies 30 is by pulling the tabletting 43 being arranged on lens supports body 30 to realize, so in this way
Setting, can guarantee between tabletting 43 and lens supports body 30 have enough contacts area, thus avoid SMA silk thread 50 into
Row stretches or postpones during shrinking to the control of lens supports body 30, and then improves the movement of lens supports body 30
Accuracy.
Specifically, at least one first rivet hot column 60, tabletting 43, are provided on lens supports body 30 and/or pedestal 10
At least one of one PIN end feet 41 and the 2nd PIN end feet 42 are connect by way of rivet hot with the first rivet hot column 60.Accordingly
Ground is provided with the aperture matched with the first rivet hot column 60 in tabletting 43, the first PIN end feet 41 and the 2nd PIN end feet 42, and
And pass through the cooperation of rivet hot column and aperture, effectively tabletting 43, the first PIN end feet 41 and the 2nd PIN end feet 42 can be carried out
It is fixed, it is bonded tabletting 43 with pedestal 10 with lens supports body 30, the first PIN end feet 41 with pedestal 10, the 2nd PIN end feet 42
It is even closer, effectively prevent falling off for tabletting 43, the first PIN end feet 41 and the 2nd PIN end feet 42.
As shown in Figures 2 to 5, pedestal 10 has the pillar 11 extended towards the top surface side of shell 20, the side of pillar 11
Have groove 111 for accommodating the first PIN end feet 41 and the 2nd PIN end feet 42 to surface, and groove 111 extends to pedestal 10
Bottom surface so that the first end 411 of the first PIN end feet and the first end 421 of the 2nd PIN end feet from accommodating intracavitary stretching.In this way
Setting, can make the first PIN end feet 41 and the 2nd PIN end feet 42 and the connection of pedestal 10 more compact, and be effectively prevented
First PIN end feet 41 and the 2nd PIN end feet 42 protrude from pedestal 10 from side, thus make the shell 20 be more easier to process, and
And guarantee that the first PIN end feet 41 and the 2nd PIN end feet 42 will not generate friction with 20 inner wall of shell, and shell 20 can be effective
Play the role of protection to the first PIN end feet 41 and the 2nd PIN end feet 42.
Specifically, pillar 11 is two, and two pillars 11 are located at 10 1 groups of corner portions being oppositely arranged of pedestal, respectively
Two lateral surfaces of pillar 11 are each provided with a groove 111.It should be pointed out that setting is to correspond to the end PIN in this way
The case where leg structure 40 is four groups, makes the first PIN end feet 41 and the equal energy of the 2nd PIN end feet 42 in four groups of PIN end feet structures 40
It is enough correspondingly arranged on the groove 111 of pillar 11.When the group number of PIN end feet structure 40 increases, it can correspond to and increase pillar 11
Quantity.
As shown in Fig. 2, the side of pillar 11 towards lens supports body 30 is provided with guiding groove 112, the extension of guiding groove 112
It is oriented parallel to the axial direction of lens supports body 30, guide post 31, guide post 31 are provided at the lateral edge of lens supports body 30
It can move in guiding groove 112 and along guiding groove 112, and there is movement clearance between guide post 31 and guiding groove 112.This
Sample setting, can make pedestal 10 limit the movement of lens supports body 30 by the cooperation of guiding groove 112 and guide post 31
Position guarantees the accuracy of photographic device focusing.And movement clearance is set between guide post 31 and guiding groove 112, it is therefore an objective to be
The friction between lens supports body 30 and pedestal 10 is reduced, to guarantee that the movement of lens supports body 30 is more smooth, to protect
Demonstrate,prove Adjustment precision.In particular, it should be pointed out that two guiding grooves in the case where pillar 11 is two, on two pillars 11
112 and two guide posts 31 cooperation can play prevent lens supports body 30 reverse effect, to guarantee lens supports body 30
Kinetic stability.
Specifically, the top surface of guide post 31 is higher than the top surface of lens supports body 30.It is arranged in this way, it can be in lens branch
Support body 30 when Z-direction is mobile, lens supports body 30 without departing from pedestal 10 limit range, to guarantee anti-shake apparatus
Accuracy.
Specifically, be provided on the top surface of lens supports body 30 at least one touching top limited post 32, touching top limited post 32 with
The inner surface of shell 20 reserves fit-up gap, so as to form fortune between the upper surface of lens supports body 30 and the inner surface of shell 20
Dynamic gap.
It should be noted that touching top limited post 32 is neither in contact with the inner surface (containing top surface and side) of shell 20, and
And after lens supports body 30 moves to Z axis upper limit travel position required by specification value, still retain with the inner surface of shell 20
There is short space distance to be advisable.Touching top limited post 32 is used as the permitted dominant bit of motor in the upward position moving process of Z axis
The mechanical position limitation mechanism of shifting amount and exist, it is also considered that (such as unexpected dropping shock) various peculair motions can under special occasions
Energy.Even if in this way, extraordinary movement, touching top 32 top surface of limited post also can override contact shell 20 inner surface, take precautions against to motor
The damage of causing damage property of internal structure, avoids and adversely affects to motor performance.
Optionally, the either flush of the top surface of guide post 31 and touching top limited post 32.It is arranged in this way, guide post 31
Top surface is similar to the top surface of touching top limited post 32, when lens supports body 30 is moved along Z axis, guide post 31 and touching top limited post 32
It will not be contacted with the inner surface in shell 20.
Specifically, touching top limited post 32 is two and is located at one group of corner being oppositely arranged of lens supports body 30
Place；Guide post 31 is two and is located at another group of corner portion being oppositely arranged of lens supports body 30.It is arranged in this way,
It can guarantee that the structure of lens supports body 30 is more symmetrically stablized, and can effectively guarantee lens supports body 30 in the mistake of movement
In journey deflection will not be generated towards a direction.
As shown in figure 4, Anti-shaking structure further includes at least one spring 70, spring 70 is located at pedestal 10 and lens supports body 30
Between, and one end of spring 70 is connect with pedestal 10, the other end of spring 70 is connect with lens supports body 30.It sets in this way
Set, make lens supports body 30 under the action of spring 70 with generate tractive force between pedestal 10, to guarantee pedestal 10 and lens branch
Support body 30 is reliably connected.If the length of SMA silk thread 50 does not change, due to the self performance of spring 70, it is ensured that lens branch
Support body 30 is stable to be connected on pedestal 10, will not random play.And lens supports body 30 is pulled to be subjected to displacement in SMA silk thread 50
When, reliable tractive force is provided for lens supports body 30 and makes the action stability of camera lens more preferable, avoids shaking and anxious play
Situation occurs.
In this embodiment, at least one second rivet hot column 80, spring are provided on lens supports body 30 and/or pedestal 10
70 at least one end is connect by way of rivet hot with the second rivet hot column 80.It can also further dispensing processing at rivet hot position.
It is arranged in this way, it is ensured that lens supports body, spring 70 are reliably connected from pedestal 10.
Certainly, in specific implementation structure, various corrective measures can also be made, such as the opposite surface position of rivet hot column 80, saturating
The groove for further making rivet hot column on mirror supporter body 30 and/or pedestal 10 keeps away position design.Same end two spring eyes it
Between open the stria to connect, facilitate and increase glue mucilage glue surface, make the viscous of 70 end of spring and lens supports body 30 and/or pedestal 10
Gu more firm.Certainly, it can also further be set in lens supports body 30 and/or pedestal 10 by INSERT MOLDING mode
Enter metal steel disc, spring 70 is mutually fixed with steel disc by laser welding mode.
Under assembled state, more SMA silk threads 50 play upward tractive force to lens supports body 30, and spring 70 then can be to saturating
Mirror supporter 30 plays downward pulling force.Lens supports body 30, which stays in, is pulled up the power location point mutually balanced with downward pulling force.
The electric current being passed through to PIN end feet structure 40 is bigger, then upward tractive force is bigger, overcomes downward pulling force, to make lens branch
Support body 30 is moved to optical axis direction.By the relationship of above-mentioned power, the present invention also can be designed to lens supports body 30 to be suspended in bottom
Seat sets construction in 10 top, and under static state, pedestal 10 gives certain pulling force effect to spring 70 in advance, after energization, opens
Dynamic effect can be more steady, and it is excessive not will lead to initial starting shifting amount.In addition, lens supports body 30 is in motor interposition
It sets, as long as being given to the certain reversal value of motor, lens supports body 30 can be moved upwardly or downwardly along optical axis direction, section
The about stroke distances of focusing, focusing time is shorter, and focusing speed is more quick, power consumption is smaller.
Optionally, spring 70 is two, and two springs 70 are arcuate structure and pedestal is arranged in the symmetrical mode in angle
Between 10 and lens supports body 30, two springs 70 one end close to each other is connect with lens supports body 30 and pedestal 10 respectively.
It is arranged in this way, can guarantees the symmetry of Anti-shaking structure in structure.It can make lens supports body 30, spring in performance
Distribution of force between 70 and pedestal 10 is more uniform, to keep the performance of Anti-shaking structure more stable, stabilization function is obtained
Guarantee.
In order to avoid influencing the movement of spring 70, optionally, the side of pedestal 10 towards spring 70 is provided with resigning groove
12, to provide extending space for spring 70；Similarly, lens supports body 30 has ladder-like overmoving surface towards the side of spring 70
33, to provide deformation space for spring 70.
Specifically, lens supports body 30 has ladder-like overmoving surface 33 towards the side of spring 70, one end of spring 70 connects
It is connected at ladder-like overmoving surface 33 to be arranged with 10 interval of pedestal.In this way, being also convenient for installation spring 70.
By setting resigning groove 12 and ladder-like overmoving surface 33, pedestal 10 and lens supports body 30 can be efficiently reduced
To the extruding interference that spring 70 generates, and certain extending space/deformation space can be reserved for spring 70.
As shown in figure 3, guide post 31 has resigning portion 311 towards the side of spring 70, interfere to avoid with spring 70.It is logical
It crosses in this way, the influence generated due to the deformation of spring 70 to the movement of lens supports body 30 can be effectively prevented, into one
Step is effectively guaranteed the movement accuracy of Anti-shaking structure.
Embodiment two
Difference with embodiment one is that PIN end feet structure 40 is integrally embedding by INSERT MOLDING processing method
Bury molding.
Optionally, at least part potting of tabletting 43 is in lens supports body 30, and the connecting pin of tabletting 43 is located at thoroughly
The outside of mirror supporter 30.
Optionally, at least part potting of the first PIN end feet 41 is in pedestal 10, and the line of the first PIN end feet 41
End is located at the outside of pedestal 10.
Optionally, at least part potting of the 2nd PIN end feet 42 is in pedestal 10, and the line of the 2nd PIN end feet 42
End is located at the outside of pedestal 10.
In Fig. 6 into specific embodiment shown in Fig. 8, select integrally formed mode by 43 potting of tabletting to lens supports
In body 30 and expose the part connecting with SMA silk thread 50, and the part of the first PIN end feet 41 and the 2nd PIN end feet 42 is buried
It is embedded into pedestal 10.It is arranged in this way, can guarantees consolidating to the first PIN end feet 41, the 2nd PIN end feet 42 and tabletting 43
It is fixed stronger.Also, it is arranged in this way, enables to 30 one of tabletting 43 and lens supports body, and make the first PIN end feet
41, the 2nd PIN end feet 42 and 10 one of pedestal, to keep the internal structure of anti-shake apparatus more succinct.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
1, SMA silk thread construction of the present invention, eliminates all multi-parts (such as magnetite and coil) of conventional OIS motor, internal
It is simple for structure, easily assemble；
2, SMA conductive structure of the present invention greatly reduces anti-vibration motor structural thickness, and overall structure is frivolous, is suitble to intelligence hand
The lightening development trend of machine；
3, SMA motor of the present invention is without the components such as magnetite, therefore the problems such as without magnetic disturbance, motor placement position is unrestricted,
To it is double take the photograph motor exploitation it is particularly advantageous；
4, smaller, the lower OIS motor design scheme of cost is provided；
5, motor power consumption is lower, is more able to satisfy the requirement of mobile device；
6, routine OIS motor is compared, SMA wire line is very tough and tensile, and driving effect is prominent；
7, it more rapidly can precisely focus, reliability is stablized, and anti-shudder performance is very brilliant.
Obviously, above-mentioned the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments should fall within the scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (24)
1. a kind of Anti-shaking structure characterized by comprising
Pedestal (10)；
Shell (20), the shell (20) are located at the outside of the pedestal (10) and form accommodating cavity between；
Lens supports body (30), the lens supports body (30) are arranged in the accommodating cavity；
At least four groups of PIN end feet structures (40), at least four groups of PIN end feet structures (40) are located in the accommodating cavity, and institute
Each side edge for stating pedestal (10) is correspondingly arranged at least one set of PIN end feet structure (40), PIN end feet knot described in each group
Structure (40) include the first PIN end feet (41), the 2nd PIN end feet (42), tabletting (43), and the first PIN end feet (41) and
The 2nd PIN end feet (42) is arranged on the pedestal (10) independently of one another, and the tabletting (43) is arranged in the lens branch
On support body (30)；
More SMA silk threads (50), PIN end feet structure (40) described in each group are correspondingly connected with the described of two settings intersected with each other
SMA silk thread (50), wherein the first PIN end feet (41) connect by a SMA silk thread (50) with the tabletting (43),
The 2nd PIN end feet (42) connect by another SMA silk thread (50) with the tabletting (43).
2. Anti-shaking structure according to claim 1, which is characterized in that
The first PIN end feet (41) and the 2nd PIN end feet (42) are located at the side corner of the pedestal (10)；With/
Or
The tabletting (43) is located at the side corner of the lens supports body (30).
3. Anti-shaking structure according to claim 1, which is characterized in that PIN end feet structure (40) edge of two adjacent groups
The diagonal mirror images of the pedestal (10) are arranged.
4. Anti-shaking structure according to claim 1, which is characterized in that the first end (411) of the first PIN end feet and institute
The first end (421) for stating the 2nd PIN end feet is stretched out from inside to outside by the accommodating cavity.
5. Anti-shaking structure according to claim 4, which is characterized in that described in the same group of PIN end feet structure (40)
The second end (412) of first PIN end feet and the second end (422) of the 2nd PIN end feet are as line end and different institutes
State SMA silk thread (50) connection, and the second end of the second end (412) of the first PIN end feet and the 2nd PIN end feet
(422) to form difference in height, two of the tabletting (43) are connected for interval setting in the axial direction of the lens supports body (30)
It holds and is connected in the axial direction of the lens supports body (30) with difference in height and respectively from the different SMA silk threads (50).
6. Anti-shaking structure according to claim 5, which is characterized in that
The line of the second end (422) of the second end (412) and the 2nd PIN end feet of the first PIN end feet is parallel to institute
State the axial direction of lens supports body (30)；And/or
Line between two connecting pins of the tabletting (43) is parallel to the axial direction of the lens supports body (30).
7. Anti-shaking structure according to claim 5, which is characterized in that the middle part of the tabletting (43) has extended segment
(431) for fixed with the lens supports body (30).
8. Anti-shaking structure according to claim 1, which is characterized in that the lens supports body (30) and/or the pedestal
(10) at least one first rivet hot column (60), the tabletting (43), the first PIN end feet (41) and described second are provided on
At least one of PIN end feet (42) is connect by way of rivet hot with the first rivet hot column (60).
9. Anti-shaking structure according to claim 1, which is characterized in that the pedestal (10) has towards the shell (20)
The pillar (11) that extends of top surface side, the lateral surface of the pillar (11) has groove (111) for accommodating described first
PIN end feet (41) and the 2nd PIN end feet (42), and the groove (111) extend to the pedestal (10) bottom surface so that
The first end (411) of the first PIN end feet and the first end (421) of the 2nd PIN end feet are stretched out out of described accommodating cavity.
10. Anti-shaking structure according to claim 9, which is characterized in that the pillar (11) is two, and two described convex
Column (11) is located at (10) one groups of corner portions being oppositely arranged of the pedestal, two lateral tables of each pillar (11)
Face is each provided with the groove (111).
11. Anti-shaking structure according to claim 1, which is characterized in that the pedestal (10) has towards the shell
(20) pillar (11) that top surface side extends, the side of the pillar (11) towards the lens supports body (30), which is provided with, draws
Guide groove (112), the extending direction of the guiding groove (112) are parallel to the axial direction of the lens supports body (30), the lens branch
It is provided at the lateral edge of support body (30) guide post (31), the guide post (31) is located in the guiding groove (112) and energy
It is enough to be moved along the guiding groove (112), and there is movement clearance between the guide post (31) and the guiding groove (112).
12. Anti-shaking structure according to claim 11, which is characterized in that the top surface of the guide post (31) is higher than described
The top surface of mirror supporter (30).
13. Anti-shaking structure according to claim 1, which is characterized in that be arranged on the top surface of the lens supports body (30)
There is at least one touching top limited post (32), the inner surface of touching top limited post (32) and the shell (20) reserves assembly building
Gap, so as to form movement clearance between the upper surface of the lens supports body (30) and the inner surface of the shell (20).
14. Anti-shaking structure according to claim 13, which is characterized in that at the lateral edge of the lens supports body (30)
It is provided with guide post (31), the top surface of the guide post (31) is higher than the top surface of the lens supports body (30), and the guidance
The either flush of the top surface of column (31) and touching top limited post (32).
15. Anti-shaking structure according to claim 14, which is characterized in that touching top limited post (32) is two and difference
Positioned at one group of corner portion being oppositely arranged of the lens supports body (30)；The guide post (31) is two and is located at institute
State another group of corner portion being oppositely arranged of lens supports body (30).
16. Anti-shaking structure according to claim 1, which is characterized in that
At least part potting of the tabletting (43) is in the lens supports body (30), and the connecting pin of the tabletting (43)
Positioned at the outside of the lens supports body (30)；And/or
At least part potting of the first PIN end feet (41) is in the pedestal (10), and the first PIN end feet (41)
Line end be located at the outside of the pedestal (10)；And/or
At least part potting of the 2nd PIN end feet (42) is in the pedestal (10), and the 2nd PIN end feet (42)
Line end be located at the outside of the pedestal (10).
17. according to claim 1 to Anti-shaking structure described in any one of 16, which is characterized in that the Anti-shaking structure further includes
At least one spring (70), the spring (70) are and described between the pedestal (10) and the lens supports body (30)
One end of spring (70) is connect with the pedestal (10), and the other end of the spring (70) and the lens supports body (30) are even
It connects.
18. Anti-shaking structure according to claim 17, which is characterized in that the lens supports body (30) and/or the bottom
At least one second rivet hot column (80) is provided on seat (10), and at least one end of the spring (70) is by way of rivet hot and institute
State the connection of the second rivet hot column (80).
19. Anti-shaking structure according to claim 17, which is characterized in that the spring (70) is two, two bullets
Spring (70) is arcuate structure and is arranged between the pedestal (10) and the lens supports body (30) in the symmetrical mode in angle,
Two spring (70) one end close to each other are connect with the lens supports body (30) and the pedestal (10) respectively.
20. Anti-shaking structure according to claim 17, which is characterized in that
The side of pedestal (10) towards the spring (70) is provided with resigning groove (12), for the spring (70) offer
Extending space；And/or
The lens supports body (30) has ladder-like overmoving surface (33) towards the side of the spring (70), for the spring
(70) deformation space is provided.
21. Anti-shaking structure according to claim 17, which is characterized in that the lens supports body (30) is towards the spring
(70) side has ladder-like overmoving surface (33), and one end of the spring (70) is connected at the ladder-like overmoving surface (33)
It is arranged with being spaced with the pedestal (10).
22. Anti-shaking structure according to claim 17, which is characterized in that at the lateral edge of the lens supports body (30)
Be provided with guide post (31), the guide post (31) towards the side of the spring (70) have resigning portion (311), to avoid with
Spring (70) interference.
23. a kind of stabilization system, which is characterized in that including Anti-shaking structure described in any one of claim 1 to 22.
24. a kind of photographic device, which is characterized in that including the stabilization system described in claim 23.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218717.6A CN109856891A (en) | 2019-03-21 | 2019-03-21 | Anti-shaking structure, stabilization system and photographic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218717.6A CN109856891A (en) | 2019-03-21 | 2019-03-21 | Anti-shaking structure, stabilization system and photographic device |
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| CN110703404A (en) * | 2019-09-11 | 2020-01-17 | 瑞声科技(新加坡)有限公司 | Lens module |
| CN112099287A (en) * | 2020-11-11 | 2020-12-18 | 常州市瑞泰光电有限公司 | Camera lens |
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| CN112737271A (en) * | 2019-10-28 | 2021-04-30 | 华为技术有限公司 | Motor, camera module and mobile terminal |
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| CN112929520A (en) * | 2019-12-06 | 2021-06-08 | 华为技术有限公司 | Camera motor, camera module and electronic equipment |
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| CN113259547A (en) * | 2020-02-11 | 2021-08-13 | 华为技术有限公司 | SMA motor, camera module and electronic equipment |
| CN113530774A (en) * | 2020-03-31 | 2021-10-22 | 斯玛特技研有限公司 | Three-axis focusing motor using SMA wire |
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