CN108155771A - Impact-resistant OIS voice coil motors, camera module and electronic product - Google Patents
Impact-resistant OIS voice coil motors, camera module and electronic product Download PDFInfo
- Publication number
- CN108155771A CN108155771A CN201810210131.0A CN201810210131A CN108155771A CN 108155771 A CN108155771 A CN 108155771A CN 201810210131 A CN201810210131 A CN 201810210131A CN 108155771 A CN108155771 A CN 108155771A
- Authority
- CN
- China
- Prior art keywords
- ois
- impact
- resistant
- voice coil
- shrapnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
The present invention relates to a kind of impact-resistant OIS voice coil motors, camera module and electronic products, impact-resistant OIS voice coil motors include pedestal, shell, electromagnetic assembly, upper shrapnel and lower shrapnel, shell is enclosed cavity with pedestal, electromagnetic assembly, upper shrapnel and lower shrapnel are placed in cavity, and upper shrapnel is intervally arranged with lower shrapnel in the axial direction of impact-resistant OIS voice coil motors.Under the action of electromagnetic assembly, both upper shrapnel and lower shrapnel can both generate the thrust for being parallel to first direction, the thrust perpendicular to first direction can be generated again, so as to which camera lens can be driven to be moved along the direction for being parallel to first direction, to realize automatic focusing function, camera lens can be driven again along being moved perpendicular to the direction of first direction, to realize stabilization function.Impact-resistant OIS voice coil motors overcome the shortcomings that traditional suspension not impact resistance, easy fracture, improve the stability of structure.
Description
Technical field
The present invention relates to voice coil motor technical field more particularly to a kind of impact-resistant OIS voice coil motors, camera module and
Electronic product.
Background technology
OIS (Optical Image Stabilizer, optical image stabilizer) voice coil motor, is commonly called as optical anti-vibration voice coil
Motor is that one kind converts electrical energy into mechanical energy, and can realize the device of linear type and the movement of limited pivot angle, is applied in electricity
On camera lens in sub- product, the automatic focusing function in addition to that can realize camera lens, additionally it is possible to effectively overcome and be made due to camera lens is shaken
Into image blur.
Traditional OIS voice coil motors mainly movement with shrapnel control camera lens on optical axis direction is parallel to, with suspension control
Camera lens processed is in the movement on optical axis direction.Due to the very thin fragility of suspension, it is easily broken off when by larger external impacts,
And after suspension fracture, camera lens will be unable to move on the direction perpendicular to optical axis, so as to which camera lens will be unable to work normally.
Invention content
Based on this, it is necessary to the problem of for traditional OIS voice coil motor suspension easy fractures, it is more steady to provide a kind of structure
Solid impact-resistant OIS voice coil motors, camera module and electronic product.
A kind of impact-resistant OIS voice coil motors, including：
Pedestal；
Shell is installed on the pedestal, and is enclosed cavity with the pedestal；
Electromagnetic assembly is placed in the cavity；
Upper shrapnel is placed in the cavity, and is connect with the pedestal, described under the action of the electromagnetic assembly
Upper shrapnel can generate the thrust that is parallel to first direction and generate thrust perpendicular to the first direction, and described first
It is oriented parallel to the axial direction of the impact-resistant OIS voice coil motors；And
Lower shrapnel, is placed in the cavity, and the lower shrapnel is connect with the pedestal, and the lower shrapnel with it is described on
Shrapnel is arranged at intervals along the first direction, and under the action of the electromagnetic assembly, the lower shrapnel, which can generate, is parallel to institute
The thrust of first direction is stated, and the thrust perpendicular to the first direction can be generated.
Above-mentioned impact-resistant OIS voice coil motors, under the action of electromagnetic assembly, both upper shrapnel and lower shrapnel can be both
It generates and is parallel to the thrust of first direction, and can generate the thrust perpendicular to first direction, so that camera lens can be driven along parallel
It is moved in the direction of first direction, to realize automatic focusing function, and camera lens can be driven to be transported along perpendicular to the direction of first direction
It is dynamic, to realize stabilization function.Impact-resistant OIS voice coil motors overcome the shortcomings that traditional suspension not impact resistance, easy fracture, improve
The stability of structure.
The pedestal includes fixed plate and the connecting pole set on the fixed plate side, institute in one of the embodiments,
It states shell to be installed in the fixed plate, the connecting pole is placed in the cavity, and along the first direction is extended, described
Upper shrapnel is connect with the one end of the connecting pole far from the fixed plate, and the lower shrapnel is connect with the fixed plate.Upper shrapnel
A pedestal is shared with lower shrapnel, the fit tolerance in assembling process can be reduced, improves tilt values.
The upper shrapnel includes the first inner ring, string silk in first, outside the first outer ring and first in one of the embodiments,
String silk, first outer ring are arranged on the periphery of first inner ring, and string silk is located at first inner ring and institute in described first
Between stating the first outer ring, and the both ends of string silk are connect respectively with first inner ring and first outer ring in described first, institute
The thrust for being parallel to the first direction can be generated by stating string silk in first, and the both ends of the first exterior string silk are respectively with described first
The lateral wall of outer ring and connecting pole connection, the first exterior string silk can generate the thrust perpendicular to the first direction；
The lower shrapnel includes string silk, the second outer ring and the second exterior string silk in the second inner ring, second, and second outer ring is set
String silk is put in the periphery of second inner ring, described second between second inner ring and second outer ring, and institute
The both ends for stating string silk in second are connect respectively with second inner ring and second outer ring, and string silk can generate flat in described second
Row in the thrust of the first direction, the both ends of the second exterior string silk respectively with the lateral wall of second outer ring and described solid
Fixed board connects, and the second exterior string silk can generate the thrust perpendicular to the first direction.
Upper shrapnel realizes two kinds of functions of auto-focusing and stabilization, lower shrapnel respectively by string silk in first and the first exterior string silk
Two kinds of functions of auto-focusing and stabilization are realized respectively also by string silk in second and the second exterior string silk, and traditional suspension is omitted,
Reduce production difficulty and production cost.
The electromagnetic assembly includes carrier, AF coils, mounting bracket, magnetite group and OIS coils in one of the embodiments,
Group, on the carrier, the magnetite group is arranged on the mounting bracket, and the mounting bracket is arranged on institute for the AF coils winding
The periphery of carrier is stated, the mounting bracket and the carrier are respectively positioned between the upper shrapnel and the lower shrapnel, the OIS coils
Group is arranged on position corresponding with the magnetite group.
In one of the embodiments, the OIS coil groups to the direction of the magnetite group perpendicular to the first direction.
The arrangement mode of OIS coil groups reduces the height of impact-resistant OIS voice coil motors in its axial direction, is conducive to impact-resistant
OIS voice coil motors it is lightening.
The mounting bracket is equipped with bar-shaped trough in one of the embodiments, there are four the bar-shaped trough is set, and adjacent two
The extending direction of the bar-shaped trough is perpendicular, and the magnetite group includes four magnetites, is arranged in a one-to-one correspondence in four bar shapeds
In slot, the OIS coil groups include four OIS coils, and four OIS coils are located at four corners of the shell respectively
It is interior, and be arranged in a one-to-one correspondence with four magnetites.Four OIS coils are distributed in four corners of shell, are taken full advantage of
Space in shell so that the layout of all parts in impact-resistant OIS voice coil motors is more reasonable.
The shell is square in one of the embodiments, including four sequentially connected side plates, four OIS
Coil is arranged in a one-to-one correspondence with four side plates；
The OIS coils include datum level, and the datum level is wound by the conducting wire of the OIS coils, each described
The datum level of OIS coils is all parallel close to the one side of the cavity with the corresponding side plate.OIS coils and phase between magnetite
Interaction can all generate Ampere force, to compensate in all directions in the positive negative direction of X-axis and the positive negative direction of Y-axis
The disturbance quantity of camera lens, realizes stabilization function comprehensively.
Circuit board is further included in one of the embodiments, the part-structure of the circuit board is placed in the cavity,
The circuit board is electrically connected with the electromagnetic assembly, and is electrically connected at least one of the upper shrapnel and the lower shrapnel.
Circuit board can guarantee the normal work of electromagnetic assembly, so as to smoothly realize two kinds of functions of auto-focusing and stabilization.
A kind of camera module, including：
Above-mentioned any impact-resistant OIS voice coil motors；And
Camera lens is arranged in the impact-resistant OIS voice coil motors.
A kind of electronic product, including above-mentioned camera module.
Since the structure of above-mentioned impact-resistant OIS voice coil motors is more firm, apply impact-resistant OIS
The camera module of voice coil motor and the structural soundness of electronic product are improved.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
The attached drawing of other embodiment is obtained according to these attached drawings.
Fig. 1 is the structure diagram of the impact-resistant OIS voice coil motors of first embodiment of the invention；
Fig. 2 is the explosive view of impact-resistant OIS voice coil motors shown in FIG. 1；
Fig. 3 is the fit structure signal of upper shrapnel, lower shrapnel and pedestal in impact-resistant OIS voice coil motors shown in FIG. 1
Figure；
Fig. 4 is the structure diagram of upper shrapnel in impact-resistant OIS voice coil motors shown in FIG. 1；
Fig. 5 is the structure diagram of lower shrapnel in impact-resistant OIS voice coil motors shown in FIG. 1；
Fig. 6 is the partial structural diagram of impact-resistant OIS voice coil motors shown in FIG. 1；
Fig. 7 is the structure diagram of mounting bracket in impact-resistant OIS voice coil motors shown in FIG. 1；
Fig. 8 is the partial structural diagram of the impact-resistant OIS voice coil motors of second embodiment of the invention.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more phases
The arbitrary and all combination of the Listed Items of pass.
The impact-resistant OIS voice coil motors of an embodiment of the present invention are mainly used in the camera module of electronic product,
Camera lens in camera module is arranged in impact-resistant OIS voice coil motors, and impact-resistant OIS voice coil motors can realize oneself of camera lens
Dynamic focusing, and can prevent camera lens from shaking and leading to image blur.
Please refer to Fig.1, Fig. 2 and Fig. 6, impact-resistant OIS voice coil motor include shell 100, pedestal 200, upper shrapnel 300,
Lower shrapnel 400 and electromagnetic assembly 500, shell 100 is mounted on pedestal 200, and is enclosed cavity 102, upper bullet with pedestal 200
Piece 300, lower shrapnel 400 and electromagnetic assembly 500 are placed in cavity 102, and upper shrapnel 300 and lower shrapnel 400 are along first party
To interval setting.Under the action of electromagnetic assembly 500, upper shrapnel 300 and lower shrapnel 400 can not only act on camera lens and
The thrust being parallel on first direction, to realize the auto-focusing of camera lens, moreover it is possible to act on camera lens and perpendicular to first
The thrust in direction to compensate camera lens in the disturbance on first direction, prevents camera lens from shaking.First direction mentioned here
Refer to the optical axis direction of camera lens namely the axial direction of impact-resistant OIS voice coil motors.
Specifically, shell 100 is square, a side opening, and opposite side closing, centre is set there are four sequentially connected side plate
110, pedestal 200 is then arranged on the side of the opening of shell 100.In other embodiments, shell 100 can also be other shapes
Shape, such as it is cylindric.
As shown in Figures 2 and 3, pedestal 200 include fixed plate 210, connecting pole 220 and locating piece 230, connecting pole 220 with
Locating piece 230 is set on the same side of fixed plate 210, and shell 100 is installed in fixed plate 210, connecting pole 220 and locating piece 230
It is placed in cavity 102, the development length of connecting pole 220 in a first direction is more than locating piece 230 in a first direction
Development length, upper shrapnel 300 are connect with the one end of connecting pole 220 far from fixed plate 210, and lower shrapnel 400 connects with locating piece 230
It connects.Connecting pole 220 mainly plays a part of to support and positions upper shrapnel 300, and locating piece 230 is then main to play support and the lower shrapnel of positioning
400 effect.It is appreciated that in other embodiments, locating piece 230 can be omitted, so as to lower shrapnel 400 directly with fixation
The side that plate 210 is equipped with connecting pole 220 connects.
As shown in Figures 3 and 4, upper shrapnel 300 includes string silk 320, the first outer ring 330 and the in the first inner ring 310, first
One exterior string silk 340, the first outer ring 330 are arranged on the periphery of the first inner ring 310, in first string silk 320 be located at the first inner ring 310 with
Between first outer ring 330, and the both ends of string silk 320 are connect respectively with the first inner ring 310 and the first outer ring 330 in first.First
The both ends of exterior string silk 340 are connect respectively with the lateral wall of the first outer ring 330 and connecting pole 220.
In the present embodiment, the first inner ring 310 is complete cyclic structure, and the first outer ring 330 is polygonized structure, the
String silk 320 moves towards to wriggle between the first inner ring 310 and the first outer ring 330 in one, on parallel and perpendicular to first direction
Certain elastic force is respectively provided with, and the coefficient of elasticity on first direction is parallel to is less than in the elasticity system on first direction
Number, therefore, compared in a direction perpendicular to the first direction, string silk 320 is easier be parallel to first direction in first
Deformation is generated on direction, and camera lens is pushed to move along the first direction, realizes auto-focusing.Optimally, string silk 320 only produces in first
It is raw to be parallel to the thrust of first direction, and control movement of the camera lens on first direction is parallel to.
There are four string silk 320 is set in first, is arranged in 90 ° of isogonisms centered on the center of circle of the first inner ring 310 respectively
Between one inner ring 310 and the first outer ring 330.
First exterior string silk 340 trend is wriggled, and certain elastic force is respectively provided on parallel and perpendicular to first direction.But with
String silk 320 in first is on the contrary, coefficient of elasticity of the first exterior string silk 340 on first direction is parallel to is more than perpendicular to first party
Upward coefficient of elasticity, therefore, compared on the direction of first direction is parallel to, the first exterior string silk 340 is easier vertical
In generating deformation on the direction of first direction, and camera lens is pushed to exist along being moved perpendicular to the direction of first direction to compensate camera lens
The offset generated due to shake on the direction of first direction.Optimally, the first exterior string silk 340 is only generated perpendicular to first
The thrust in direction, and camera lens is controlled in the movement on first direction.
And it is identical with string silk 320 in first, the first exterior string silk 340 also is provided with four, adjacent two first exterior string silk 340
Between substantially in 90 ° setting.
Similar with upper shrapnel 300, as depicted in figs. 3 and 5, lower shrapnel 400 includes string silk in the second inner ring 410, second
420th, the second outer ring 430 and the second exterior string silk 440, the second outer ring 430 are arranged on the periphery of the second inner ring 410, string silk in second
420 between the second inner ring 410 and the second outer ring 430, and in second string silk 420 both ends respectively with the second inner ring 410 and
Second outer ring 430 connects.The both ends of second exterior string silk 440 are connect respectively with the lateral wall of the second outer ring 430 and fixed plate 210.
Second inner ring 410 is complete cyclic structure, and the second outer ring 430 is polygonized structure, and string silk 420 is the in second
It moves towards to wriggle between two inner rings 410 and the second outer ring 430, certain bullet is respectively provided on parallel and perpendicular to first direction
Power, and the coefficient of elasticity on first direction is parallel to is less than in the coefficient of elasticity on first direction, therefore, compared to
In a direction perpendicular to the first direction, string silk 420 is easier to generate deformation on the direction for be parallel to first direction in second,
And camera lens is pushed to move along the first direction, realize auto-focusing.Optimally, string silk 420 only generates and is parallel to first party in second
To thrust, and control movement of the camera lens on first direction is parallel to.
There are four string silk 420 is set in second, is arranged in 90 ° of isogonisms centered on the center of circle of the second inner ring 410 respectively
Between two inner rings 410 and the second outer ring 430.
Second exterior string silk 440 trend is wriggled, and certain elastic force is respectively provided on parallel and perpendicular to first direction.But with
String silk 420 in second is on the contrary, coefficient of elasticity of the second exterior string silk 440 on first direction is parallel to is more than perpendicular to first party
Upward coefficient of elasticity, therefore, compared on the direction of first direction is parallel to, the second exterior string silk 440 is easier vertical
In generating deformation on the direction of first direction, and camera lens is pushed to exist along being moved perpendicular to the direction of first direction to compensate camera lens
The offset generated due to shake on the direction of first direction.Optimally, the second exterior string silk 440 is only generated perpendicular to first
The thrust in direction, and camera lens is controlled in the movement on first direction.
And it is identical with string silk 420 in second, the second exterior string silk 440 also is provided with four, adjacent two second exterior string silk 440
Between substantially in 90 ° setting.
In combination with Fig. 2 and Fig. 4 to Fig. 7, electromagnetic assembly 500 include carrier 510, AF (Auto Focus, it is automatic right
It is burnt) coil 520, mounting bracket 530, magnetite group and OIS coil groups, AF coils 520 are wrapped on carrier 510, and magnetite group is arranged in
On mounting bracket 530, mounting bracket 530 is arranged on the periphery of carrier 510, mounting bracket 530 and carrier 510 be respectively positioned on shrapnel 300 with
Between lower shrapnel 400, and mounting bracket 530 is connect with the side of carrier 510 with upper shrapnel 300, mounting bracket 530 and carrier 510
Opposite side is connect with lower shrapnel 400.Specifically, in upper shrapnel 300, string silk 320 is connect with carrier 510 in first, outside first
String silk 340 is connect with mounting bracket 530.In lower shrapnel 400, string silk 420 is connect with carrier 510 in second, the second exterior string silk 540
It is connect with mounting bracket 530.
OIS coil groups are arranged on position corresponding with magnetite group.Moreover, the direction of OIS coil groups to magnetite group is vertical
In first direction, so as to reduce the height of impact-resistant OIS voice coil motors in a first direction so that impact-resistant OIS sounds
Coil motor is more frivolous.Certainly, in other embodiments, OIS coil groups can also in a first direction be laminated with magnetite group
Setting.
Camera lens is connect with carrier 510, AF coils 520 and magnetite group collective effect can generate so that in first string silk 320 and
The Ampere force that string silk 420 deforms upon on first direction is parallel in second, so as to which the carrier 510 equipped with camera lens be pushed to exist
The side for being parallel to first direction moves upwards, to realize auto-focusing.OIS coil groups and magnetite group collective effect can generate so that
First exterior string silk 340 and the second exterior string silk 440 in the Ampere force deformed upon on first direction, so as to push equipped with
The carrier 510 of camera lens moves in a direction perpendicular to the first direction, to realize stabilization function.
Further, bar-shaped trough 532 is designed on each side wall of mounting bracket 530, magnetite group includes multiple magnetites 540, more
A magnetite 540 is arranged in a one-to-one correspondence in multiple bar-shaped troughs 532.OIS coil groups include multiple OIS coils 550, multiple OIS lines
Circle 550 is respectively in each corner of shell 100, and multiple OIS coils 550 are arranged in a one-to-one correspondence with multiple magnetites 540.
In the present embodiment, there are four bar-shaped trough 532 is set, and the extending direction of adjacent two bar-shaped trough 532 is perpendicular.Phase
The number of Ying Di, magnetite 540 and OIS coils 550 is also four.OIS coils 550 include datum level 552, and datum level 552 is by OIS
The conducting wire of coil 550 is wound, and the datum level of adjacent two OIS coils 550 is mutually perpendicular to.In other embodiments, bar shaped
The number of slot 532, magnetite 540 and OIS coils 550 can also be 2,6 etc..
In the embodiment shown in fig. 6, magnetite 540 is in strip, vertical with the OIS coils 550 being correspondingly arranged, also,
The datum level 552 of each OIS coils 550 is parallel close to the one side of cavity 102 with corresponding side plate 110.That is, for the reality
It applies for the impact-resistant OIS voice coil motors in example, OIS coil groups and magnetite group collective effect are to push the load equipped with camera lens
Body 510 is moved along X-axis and Y-axis.
In the embodiment shown in fig. 8, magnetite 540 is in bending, and magnetite 540 includes the first magnet portion 542 and the second magnetic
Body portion 544, the second magnet portion 544 be set on corresponding bar-shaped trough 532 in, between the first magnet portion 542 and the second magnet portion 544 into
Angle is set, and the first magnet portion 542 is vertically arranged with the OIS coils 550 being correspondingly arranged.In this embodiment, the first magnet portion
542 and the second angle between magnet portion 544 be 120 ° -150 °, specially 135 °.It also means that, the base of OIS coils 550
Quasi- face 552 is 30 ° -60 ° with angle of the corresponding side plate 110 between the one side of cavity 102.And when the first magnet portion 542
When angle between the second magnet portion 544 is 135 °, datum level 552 and respective side panels 110 are between the one side of cavity 102
Angle be 45 °.For the impact-resistant OIS voice coil motors of embodiment shown in Fig. 8, OIS coil groups are total to magnetite group
Same-action is to push the carrier 510 equipped with camera lens to be moved along V axis and W axis.
As shown in Figure 1, Figure 2 and shown in Fig. 6, impact-resistant OIS voice coil motors further include circuit board 600, the part of circuit board 600
Structure is placed in cavity 102, and is electrically connected with OIS coil groups.Meanwhile circuit board 600 also passes through upper shrapnel 300 or lower shrapnel
400 are electrically connected with AF coils 520.Certainly, circuit board 600 can also be with being both electrically connected in upper shrapnel 300 and lower shrapnel 400
It connects.Specific in present embodiment, circuit board 600 is located between OIS coil groups and the side plate 110 of shell 100, further to subtract
The height of small impact-resistant OIS voice coil motors in a first direction.In other embodiments, circuit board 600 can also be arranged
In other positions, such as between the side of upper shrapnel 300 and the closing of shell 100.
Circuit board 600 be exposed to shell 100 structure be circuit board 600 pin configuration, for in camera module
Remaining circuit plate connects.It is appreciated that in other embodiments, circuit board 600 can also omit, AF coils 520 and OIS lines
Circle group can be directly electrically connected with the remaining circuit plate in camera module.
For the impact-resistant OIS voice coil motors of present embodiment, including at least following advantage：
1st, the linear type suspension that stabilization is used on traditional voice coil motor is omitted, only passes through upper shrapnel 300 and lower shrapnel 400
Just the shortcomings that realizing two kinds of functions of auto-focusing and stabilization, overcoming the not impact resistance of linear type suspension, easy fracture.
2nd, linear type suspension production difficulty is big, and production cost is high, and cancelling linear type suspension reduces technical difficulty, also reduces
Production cost.
3rd, upper shrapnel 300 is each attached to lower shrapnel 400 on pedestal 200, with traditional voice coil motor by upper shrapnel and outside
Shell connects, and lower shrapnel simplifies the packaging technology of impact-resistant OIS voice coil motors, when reducing assembling compared with pedestal connects
Fit tolerance.
4th, OIS coil groups reduce impact-resistant OIS voice coil motors to the direction of magnetite group perpendicular to first direction
Height on one direction so that impact-resistant OIS voice coil motors are more frivolous.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that those of ordinary skill in the art are come
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of impact-resistant OIS voice coil motors, which is characterized in that including：
Pedestal；
Shell is installed on the pedestal, and is enclosed cavity with the pedestal；
Electromagnetic assembly is placed in the cavity；
Upper shrapnel is placed in the cavity, and is connect with the pedestal, under the action of the electromagnetic assembly, the upper bullet
Piece can generate the thrust for being parallel to first direction and generation perpendicular to the thrust of the first direction, the first direction
It is parallel to the axial direction of the impact-resistant OIS voice coil motors；And
Lower shrapnel, is placed in the cavity, and the lower shrapnel is connect with the pedestal, and the lower shrapnel and the upper shrapnel
It is arranged at intervals along the first direction, under the action of the electromagnetic assembly, the lower shrapnel, which can generate, is parallel to described the
The thrust in one direction, and the thrust perpendicular to the first direction can be generated.
2. impact-resistant OIS voice coil motors according to claim 1, which is characterized in that the pedestal include fixed plate and
Connecting pole set on the fixed plate side, the shell are installed in the fixed plate, and the connecting pole is placed in the sky
Intracavitary, and extend along the first direction, the upper shrapnel is connect with the one end of the connecting pole far from the fixed plate, described
Lower shrapnel is connect with the fixed plate.
3. impact-resistant OIS voice coil motors according to claim 2, which is characterized in that the upper shrapnel is included in first
It encloses, string silk, the first outer ring and the first exterior string silk in first, first outer ring is arranged on the periphery of first inner ring, described
String silk is between first inner ring and first outer ring in first, and in described first string silk both ends respectively with it is described
First inner ring is connected with first outer ring, and string silk can generate the thrust for being parallel to the first direction in described first, described
The both ends of first exterior string silk are connect respectively with the lateral wall of first outer ring and the connecting pole, and the first exterior string silk can produce
The raw thrust perpendicular to the first direction；
The lower shrapnel includes string silk, the second outer ring and the second exterior string silk in the second inner ring, second, and second outer ring is arranged on
The periphery of second inner ring, string silk is between second inner ring and second outer ring in described second, and described
The both ends of string silk are connect respectively with second inner ring and second outer ring in two, and string silk can be generated and is parallel in described second
The thrust of the first direction, the both ends of the second exterior string silk respectively with the lateral wall of second outer ring and the fixed plate
Connection, the second exterior string silk can generate the thrust perpendicular to the first direction.
4. impact-resistant OIS voice coil motors according to claim 1, which is characterized in that the electromagnetic assembly include carrier,
AF coils, mounting bracket, magnetite group and OIS coil groups, on the carrier, the magnetite group is arranged in institute for the AF coils winding
It states on mounting bracket, the mounting bracket is arranged on the periphery of the carrier, and the mounting bracket is respectively positioned on the upper bullet with the carrier
Between piece and the lower shrapnel, the OIS coil groups are arranged on position corresponding with the magnetite group.
5. impact-resistant OIS voice coil motors according to claim 4, which is characterized in that the OIS coil groups to the magnetic
The direction of stone group is perpendicular to the first direction.
6. impact-resistant OIS voice coil motors according to claim 4, which is characterized in that the mounting bracket is equipped with bar shaped
Slot, there are four the bar-shaped trough is set, and the extending direction of adjacent two bar-shaped trough is perpendicular, and the magnetite group includes four magnetic
Stone is arranged in a one-to-one correspondence in four bar-shaped troughs, and the OIS coil groups include four OIS coils, four OIS lines
Circle is respectively in four corners of the shell, and be arranged in a one-to-one correspondence with four magnetites.
7. impact-resistant OIS voice coil motors according to claim 6, which is characterized in that the shell is square, including four
A sequentially connected side plate, four OIS coils are arranged in a one-to-one correspondence with four side plates；
The OIS coils include datum level, and the datum level is wound by the conducting wire of the OIS coils, each OIS lines
The datum level of circle is all parallel close to the one side of the cavity with the corresponding side plate.
8. impact-resistant OIS voice coil motors according to claim 1, which is characterized in that further include circuit board, the circuit
The part-structure of plate is placed in the cavity, and the circuit board is electrically connected with the electromagnetic assembly, and with the upper shrapnel and
The electrical connection of at least one of the lower shrapnel.
9. a kind of camera module, which is characterized in that including：
Such as claim 1-8 any one of them impact-resistant OIS voice coil motors；And
Camera lens is arranged in the impact-resistant OIS voice coil motors.
10. a kind of electronic product, which is characterized in that including camera module as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210131.0A CN108155771B (en) | 2018-03-14 | 2018-03-14 | Impact-resistant OIS voice coil motor, camera module and electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210131.0A CN108155771B (en) | 2018-03-14 | 2018-03-14 | Impact-resistant OIS voice coil motor, camera module and electronic product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108155771A true CN108155771A (en) | 2018-06-12 |
| CN108155771B CN108155771B (en) | 2023-07-14 |
Family
ID=62456191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810210131.0A Active CN108155771B (en) | 2018-03-14 | 2018-03-14 | Impact-resistant OIS voice coil motor, camera module and electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108155771B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832758A (en) * | 2018-06-19 | 2018-11-16 | 信利光电股份有限公司 | A kind of flat elastic piece and voice coil motor |
| WO2021147280A1 (en) * | 2020-01-21 | 2021-07-29 | 新思考电机有限公司 | Voice coil motor having five-axis ois structure, camera apparatus and electronic device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283396A (en) * | 2014-10-21 | 2015-01-14 | 深圳市世尊科技有限公司 | Voice coil motor for achieving optical vibration prevention through transverse movement |
| US20150195438A1 (en) * | 2014-01-03 | 2015-07-09 | Lg Innotek Co., Ltd. | Camera module |
| CN105305773A (en) * | 2015-10-30 | 2016-02-03 | 金龙机电股份有限公司东莞分公司 | Anti-shake voice coil motor |
| CN105899990A (en) * | 2014-01-02 | 2016-08-24 | Lg伊诺特有限公司 | Lens driving device and camera module comprising same |
| CN106817007A (en) * | 2017-03-30 | 2017-06-09 | 信利光电股份有限公司 | A kind of OIS voice coil motors |
-
2018
- 2018-03-14 CN CN201810210131.0A patent/CN108155771B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105899990A (en) * | 2014-01-02 | 2016-08-24 | Lg伊诺特有限公司 | Lens driving device and camera module comprising same |
| US20150195438A1 (en) * | 2014-01-03 | 2015-07-09 | Lg Innotek Co., Ltd. | Camera module |
| CN104283396A (en) * | 2014-10-21 | 2015-01-14 | 深圳市世尊科技有限公司 | Voice coil motor for achieving optical vibration prevention through transverse movement |
| CN105305773A (en) * | 2015-10-30 | 2016-02-03 | 金龙机电股份有限公司东莞分公司 | Anti-shake voice coil motor |
| CN106817007A (en) * | 2017-03-30 | 2017-06-09 | 信利光电股份有限公司 | A kind of OIS voice coil motors |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832758A (en) * | 2018-06-19 | 2018-11-16 | 信利光电股份有限公司 | A kind of flat elastic piece and voice coil motor |
| WO2021147280A1 (en) * | 2020-01-21 | 2021-07-29 | 新思考电机有限公司 | Voice coil motor having five-axis ois structure, camera apparatus and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108155771B (en) | 2023-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11726344B2 (en) | Optical image stabilization (OIS) unit of a camera module | |
| US7652833B2 (en) | Camera module | |
| CN107561825B (en) | Lens driving mechanism | |
| JP2017198988A (en) | Dual-lens camera system | |
| US20140368914A1 (en) | Lens driving device with 3d elastic support structure | |
| US11487078B2 (en) | Lens assembly driving apparatus, photographing module and electronic device | |
| CN110673296B (en) | Camera unit, camera module and mobile terminal | |
| CN104038682A (en) | Camera Lens Module In Portable Terminal | |
| CN105190429A (en) | Camera lens module | |
| CN207782988U (en) | Light and thin type OIS voice coil motors, camera module and electronic product | |
| JP2013250299A (en) | Lens driving device with camera shake correcting function | |
| CN115616836A (en) | Lens driving device, camera module including the same, and optical apparatus | |
| CN209373236U (en) | More lens camera systems and its driving mechanism | |
| KR20140011850A (en) | Camera module | |
| CN108155771A (en) | Impact-resistant OIS voice coil motors, camera module and electronic product | |
| CN107561826A (en) | A kind of double lens drive device | |
| US20170242214A1 (en) | Camera module and electronic device using same | |
| CN101989802A (en) | Voice coil motor and camera module | |
| CN208078855U (en) | Impact-resistant OIS voice coil motors, camera module and electronic product | |
| CN208210102U (en) | OIS voice coil motor, camera module and electronic product | |
| CN208209780U (en) | OIS voice coil motor, camera module and electronic product | |
| WO2022088343A1 (en) | Lens driving apparatus | |
| CN112995463B (en) | Camera module and electronic equipment | |
| KR20220035353A (en) | Camera Module | |
| US7457062B1 (en) | Driving apparatus for fine-tuning focus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 510000 Shenzhou Road, science and Technology Town, Guangzhou high tech Industrial Development Zone, Guangdong 7 Applicant after: Guangzhou delta Imaging Technology Co.,Ltd. Address before: 510000 Shenzhou Road, science and Technology Town, Guangzhou high tech Industrial Development Zone, Guangdong 7 Applicant before: O-FILM IMAGE TECHNOLOGY (GUANGZHOU) Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210623 Address after: 330096 no.1404, Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: Jiangxi Jinghao optics Co.,Ltd. Address before: 510000 Shenzhou Road, science and Technology Town, Guangzhou high tech Industrial Development Zone, Guangdong 7 Applicant before: Guangzhou delta Imaging Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |