CN104317032B - A kind of miniature shift shaft type optical anti-vibration voice coil motor structure and assembly method for being conducive to producing - Google Patents
A kind of miniature shift shaft type optical anti-vibration voice coil motor structure and assembly method for being conducive to producing Download PDFInfo
- Publication number
- CN104317032B CN104317032B CN201410615985.9A CN201410615985A CN104317032B CN 104317032 B CN104317032 B CN 104317032B CN 201410615985 A CN201410615985 A CN 201410615985A CN 104317032 B CN104317032 B CN 104317032B
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- Prior art keywords
- coil
- supporter
- magnetite
- conducive
- boss
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Classifications
-
- 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
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
-
- 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
Abstract
A kind of miniature shift shaft type optical anti-vibration voice coil motor structure for being conducive to producing, voice coil motor structure include base, shell, camera lens carrier, the magnetite of more than three, elastomeric material, coil supporter, and magnetite quantity identical coil and with number of coils identical boss, base and shell are fixedly installed togather, camera lens carrier is arranged on coil supporter by elastomeric material, boss is arranged on the outside of coil supporter, a coil is wound with each boss, magnetite is fixedly mounted on camera lens carrier, and magnetite is set corresponding to coil.Compared with conventional art, the present invention can effectively simplify motor configuration, required machinery and electronically Joining Technology during production assembling can also be reduced, while the present invention supports direct coiling in the technique of coil supporter, be conducive to volume production, or even full-automatic volume production.Therefore, compared to the prior art, it can improve production efficiency and qualification rate to the present invention, reduce assembling human hand, Material Cost is reduced, while mechanical crashworthiness can also be improved.
Description
Technical field
The present invention discloses a kind of voice coil motor, particularly a kind of miniature shift shaft type optical anti-vibration voice coil loudspeaker voice coil horse for being conducive to producing
Up to structure and assembly method.
Background technology
The skill of micro-optical stabilization voice coil motor, which is stated, now has been widely used in high-end mobile phone, can efficiently reduce
The chance of fuzzy photo is taken under low luminous environment, and makes us the shake of puzzlement in film.But, relative to general auto-focusing horse
Reach, the design comparison of stabilization voice coil motor is complicated, the qualification rate of production and less efficient.Therefore, the skill, which is stated, does not popularize also
Middle-end and low-end mobile phone, it is mostCellphone subscriber still fail to enjoy the benefit that stabilization technology is brought.
Micro-optical stabilization voice coil motor can be divided into three classes, and its title and stabilization principle are as follows：
First, camera module shift shaft type：Camera lens and image sensor are rotated together by voice coil motor control.
2nd, camera lens parallel-moving type：Camera lens is controlled to translate by voice coil motor, image sensor is motionless.
3rd, camera lens shift shaft type：Camera lens is controlled to rotate by voice coil motor, image sensor is motionless.
Above-mentioned three kinds of motors respectively have advantage, wherein, the structure of camera lens shift shaft type motor is relatively easy, is conducive to production.
General camera lens shift shaft type optical anti-vibration voice coil motor structure（If China Patent Publication No. is CN 101542348 and public affairs
The number of opening is CN101587222）Include a shell, base, at least two groups elastomeric materials, at least three groups magnetites, at least three
Individual absolute coil and a camera lens carrier, coil and camera lens carrier are closely attached, and movable together, constitute bascule, magnetic
Stone, shell and base are closely attached, can't activity, the motionless structure of composition.Two groups of elastomeric material connection lens carriers it is upper
Side and lower section, add motionless structure division, collectively constitute a multivariant mass-spring system, allow camera lens to make two
The deflection in direction（For optical anti-vibration）, and a displacement along optical axis（For auto-focusing）.
By the electric current of each coil of independent control, different amount of deflections and displacement can be reached.Due to each line
Enclosing needs independent energization, and coil is located at the camera lens carrier of energy multiple degrees of freedom activity, and two groups of elastomeric materials need to be powered, and at least
Include at least four independent circuits（Resistance between each circuit can not be very little）.Therefore, two groups of elastomeric materials generally comprise to
Few four independent springs.On the other hand, coil is needed and spring is connected on circuit, and this needs to add at least six in bascule
Individual circuit connection（Scolding tin can be used）.For example, the example embodiment in Chinese patent CN101542348, one group of top elasticity
Material is made up of an independent spring, and one group of lower section elastomeric material is then made up of four independent springs, a total of five independent bullets
Spring.On the other hand, eight circuit connections are needed in bascule.
Substantial amounts of independent spring and circuit connection are added in carefully few motor, problems with can be led to：
First, need to complete multiple machineries and circuit connection in superfine few bascule, greatly increase the difficulty of production.
2nd, need five independent springs to be assemblied in motor, increase the difficulty of production.
3rd, due to complicated in structure, crashworthiness mechanically is reduced, lowers the chance by drop test.
In addition, the production technology of the circuit connection of general spring and coil is to need human hand that the end of a thread of coil is guided to elasticity
On material.Employee easily snaps off the end of a thread during lead, causes low qualification rate, low production efficiency, cost of labor high.The opposing party
There is space between the end of a thread and elastomeric material after face, lead, to lean on conductive material（Such as scolding tin）As both bridges, both are welded
It is connected together.Because pore size is difficult to control to, cause space to be differed, may be readily formed as resistance sizes and differ, or even loose contact,
Motor is scrapped, and subtracts low production yield.
Finally, due to which two groups of elastomeric material connection lens carriers are over and under, needed in assembling process in difference
Direction fill elastomeric material, and complete machinery and circuit on Joining Technology, it may be necessary to crude product is overturn, increase assembling and
The difficulty of Joining Technology, lowers production efficiency.
The content of the invention
For the shortcoming that voice coil motor structure of the prior art mentioned above is complicated, the present invention provides one kind and is conducive to
The miniature shift shaft type optical anti-vibration voice coil motor structure of production, it can greatly simplify its structure by special structure design.
The present invention solve its technical problem use technical scheme be：A kind of miniature shift shaft type optics for being conducive to production is prevented
Voice coil motor structure is trembled, voice coil motor structure includes base, shell, camera lens carrier, the magnetite of more than three, elastomeric material, line
Enclose carrier, with magnetite quantity identical coil and with number of coils identical boss, base and shell be fixedly installed togather, mirror
Head carrier is arranged on coil supporter by elastomeric material, and boss is arranged on the outside of coil supporter, and one is wound with each boss
Individual coil, magnetite is fixedly mounted on camera lens carrier, and magnetite is set corresponding to coil.
When elastomeric material only one of which, a kind of above-mentioned miniature shift shaft type optical anti-vibration voice coil motor knot for being conducive to producing
The assemble method that structure can be used, this method is that its assembly sequency is as follows in assembling：
First, shell is upward；
2nd, the cased portion of coil supporter of advance coiling, and mechanically connected；
3rd, the camera lens carrier for having filled magnetite in advance, mounted in the center of coil supporter internal diameter；
4th, elastomeric material on coil supporter and camera lens carrier, and mechanically connected, the two is connected to one
Rise；
5th, base is mounted between shell, coil supporter and elastomeric material, and is mechanically connected, by the metal in base
The end of a thread on piece and coil supporter wrapping post carries out circuit connection.
The technical scheme that the present invention solves the use of its technical problem further comprises：
Described coil supporter is square or rectangle, and straight chamfering is respectively equipped with corner.
Described magnetite and coil is correspondingly arranged at four sides of coil supporter.
Described magnetite and coil is correspondingly arranged at the corner of coil supporter.
Described boss is provided with to outer inclined-plane, is sloped inwardly to outer inclined-plane.
Described coil supporter bottom is fixed with below wrapping post, each boss and is correspondingly arranged on two wrapping posts.
Wire casing is offered on described coil supporter, wire casing is opened in boss between wrapping post.
Through hole is offered respectively corresponding to wrapping post on described base, and chassis outer side corresponds to through hole and is provided with metal
The end of a thread on piece, wrapping post is electrically connected with sheet metal.
Described elastomeric material is provided with least one.
The beneficial effects of the invention are as follows：Compared with conventional art, the present invention can effectively simplify motor configuration, can also reduce
Required machinery and electronically Joining Technology during production assembling, while the present invention supports that direct coiling, in the technique of coil supporter, has
Beneficial to volume production, or even full-automatic volume production.Therefore, compared to the prior art, it can improve production efficiency and qualified to the present invention
Rate, reduces assembling human hand, Material Cost is reduced, while mechanical crashworthiness can also be improved.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Brief description of the drawings
Fig. 1 is main part perspective view of the present invention.
Fig. 2 is partial enlargement structural representation of the present invention（Coil and coil supporter part）.
Fig. 3 is part section mplifying structure schematic diagram of the present invention（Projection section）.
Fig. 4 is the cross-sectional view of the embodiment of the present invention one.
Fig. 5 is the overlooking the structure diagram of the embodiment of the present invention one.
Fig. 6 is the decomposing state structural representation of the embodiment of the present invention one.
Fig. 7 is the overlooking the structure diagram of the embodiment of the present invention two.
Fig. 8 is the decomposing state structural representation of the embodiment of the present invention two.
Fig. 9 is the overlooking the structure diagram of the embodiment of the present invention three.
Figure 10 is the decomposing state structural representation of the embodiment of the present invention three.
In figure, 1- coil supporters, 2- boss, 3- coils, 4- wrapping posts, 5- the end of a thread, 6- wire casings, 7- is to outer inclined-plane, 8- bottoms
Seat, 9- shells, 10- camera lens carriers, 11- magnetites, 12- elastomeric materials, 13- sheet metals, the upper spring leafs of 14-, 15- lower spring pieces.
Embodiment
In order to more specifically express structure of the present invention, below content combine specific four preferred embodiments to this
The made further description of invention, but the specific implementation of the invention is not to be limited to these illustrations.For this hair
For bright person of an ordinary skill in the technical field, without departing from the inventive concept of the premise, some letters can also be made
Single deduction or replace, should all be considered as belonging to protection scope of the present invention.
Accompanying drawing 1 be refer to accompanying drawing 6, core of the invention is a kind of miniature shift shaft type optical anti-vibration sound for being conducive to producing
Coil motor structure, it mainly includes in coil supporter 1, boss 2 and coil 3, the present embodiment, and coil supporter 1 is motionless component, its
With the other motionless close structure connections in periphery, direct wire winding can be supported.In the present embodiment, coil supporter 1 is square, corner
Place is respectively equipped with the outside of straight chamfering, four sides of coil supporter 1 is fixed with a boss 2 for wound around coil respectively,
A coil 3 is wound with each boss 2, coil 3 can support that direct wire winding is directly formed on boss 2, the amount of being conducive to
Production, or even full-automatic volume production.Boss 2 is provided with to outer inclined-plane 7, is sloped inwardly to outer inclined-plane 7, allows the coil 3 can be more firmly
The four sides of boss 2 is wound on, to prevent that coil 3 from deviating from from boss 2.In the present embodiment, coiling is fixed with the bottom of coil supporter 1
Post 4, each lower section of boss 2 is correspondingly arranged on two wrapping posts 4, is respectively used to the end of a thread 5 at the two ends of wound around coil 3, the present embodiment
In, offer wire casing 6 on coil supporter 1, wire casing 6 is opened in boss 2 between wrapping post 4, connection the end of a thread 5 of coil 3
Cable may be provided in wire casing 6.
In above-described embodiment, its structure is illustrated by taking four boss 2 and four groups of coils 3 as an example, during specific implementation,
Three boss 2 and three groups of coils 3 can be only set, or can also set more multigroup according to actual needs.
In the present embodiment, also include base 8, shell 9, camera lens carrier 10, magnetite 11 and elastomeric material 12, the He of base 8
Shell 9 is fixedly installed togather, and is formed in the main body cover structure of the present invention, the present embodiment, and wrapping post 4 is corresponded on base 8
Through hole is offered respectively, and the end of a thread 5 that the outside of base 8 is provided with sheet metal 13, wrapping post 4 corresponding to through hole connects with sheet metal 13
It is connected together, by the sheet metal 13 in base 8, the bottom of motor, convenient and camera mould coil 3 can be connected on circuit
The printed circuit board (PCB) connection of group.Camera lens carrier 10 is arranged on coil supporter 1 by elastomeric material 12, and the inwall of camera lens carrier 10 can
Closely to be connected with camera lens, camera lens is allowed to make multivariant activity, with up to the function of causing auto-focusing and stabilization.The present embodiment
In, the quantity of magnetite 11 is identical with the quantity of coil 3, and magnetite 11 is fixedly mounted on camera lens carrier 10, forms bascule, magnetic
Stone 11 is set corresponding to coil 3.In the present embodiment, camera lens carrier 10 and coil 3 are separately designed on machinery and electronic structure, institute
With connection lens carrier 10 and motionless structure（That is coil supporter 1, shell 9 and base 8）Elastomeric material 12 and need not be divided into
At least five independent springs, make the independently-powered of multiple coils, and use integral structure, therefore, structure energy of the present invention
Avoid completing multiple machineries and circuit connection in superfine few activity space structure, need not also assemble at least five independent bullets
Spring, substantially reduces structure and the complexity of production.In the present embodiment, using an elastomeric material 12, camera lens carrier 10 can be supported
Top does not have the structure of conductive elastomer, and this structure is avoided that in different directions dress elastomeric material 12 and carries out electronics and machine
The technique of tool connection, need not also overturn crude product, lower the difficulty of assembling and Joining Technology significantly.
In the present invention, bascule and motionless structure collectively constitute a multivariant mass-spring system.By only
The size of the vertical electric current of control coil 3 and direction, can be with the upward power of independent control magnetite 11, so as to control the camera lens to make two sides
To deflection（For optical anti-vibration）, and one along the displacement on optical axis direction（For auto-focusing）.
The present embodiment is directly wound on conductor wire on each boss 2 of coil supporter 1 first in production, forms certain
The coil 3 of the number of turns, is securely fixed on boss 2.Finally, two rear line heads 5 of each coil 3, respectively through wire casing 6 be wound on around
On terminal 4.After all wire windings are completed, the conductor wire on wrapping post 4, in assembly process that can be after, branch
Hold and make circuit connection with other conductive components.In the present embodiment, direct coiling is realized using automatic winding equipment, can be reliably
And the coiling of certain number of turns is efficiently carried out on boss 2,3-dimensional size and relative position size uniform are realized, this is to improving
The qualification rate of production micro motor has served important.
The present embodiment is in assembling, and the assembly sequency that can be used is as follows：
First, shell 9 is upward；
2nd, the coil supporter 1 of advance coiling is mounted in inside shell 9, and mechanically connected（Method, which can be used, includes glue
The conventional meanses such as water bonding）.
3rd, the camera lens carrier 10 for having filled magnetite 11 in advance, mounted in the center of the internal diameter of coil supporter 1.
4th, elastomeric material 12 is mounted in the bottom of coil supporter 1 and the bottom of camera lens carrier 10, and mechanically connected（Method
Can use includes the conventional meanses such as glue bonding）, the two is linked together.
5th, base 8 is mounted between shell 9, coil supporter 1 and elastomeric material 12, and is mechanically connected（Method can be used
Including conventional meanses such as glue bondings）.Then, the end of a thread 5 on the sheet metal 13 and coil supporter wrapping post in base 8 is carried out
Circuit is connected（Method includes scolding tin）.
In above assembling process, all parts are all that after inverting up and down, assembling from top to down is, it is necessary to the position of circuit connection
It is also unified exposed upwards to put.Above-mentioned assembly method need not invert crude product, also only need to a standalone elastic material
Material is mechanically connected, and lowers the difficulty of assembling and production, more suitable automatic mass significantly.
Embodiment two：Accompanying drawing 7 and accompanying drawing 8 are refer to, the basic structure of the present embodiment is identical with embodiment one, its difference
It is in including two groups of elastomeric materials in the present embodiment, i.e., upper spring leaf 14 and lower spring piece 15, upper spring leaf 14 and lower bullet
Reed 15 is located at the top and bottom of camera lens carrier 10 respectively.
Embodiment three：Accompanying drawing 9 and accompanying drawing 10 are refer to, the basic structure of the present embodiment is identical with embodiment one, it is different
Part is that the coil 3 of embodiment one and magnetite 11 are arranged at four sides of coil supporter 1, in the present embodiment, coil 3 and magnetic
Stone 11 is arranged at the corner of coil supporter 1, and remaining constructive embodiment one is identical.
Example IV：The basic structure of the present embodiment is identical with embodiment two, and its difference is, the center line of embodiment two
Circle 3 and magnetite 11 are arranged at four sides of coil supporter 1, and in the present embodiment, coil 3 and magnetite 11 are arranged on coil supporter 1
At corner, remaining constructive embodiment two is identical.
The present embodiment is the preferred embodiment for the present invention, and other all its principle and basic structure are identical or near with the present embodiment
As, within the scope of the present invention.
Claims (7)
1. a kind of miniature shift shaft type optical anti-vibration voice coil motor structure for being conducive to producing, it is characterized in that：Described voice coil motor
Structure includes base, shell, camera lens carrier, the magnetite of more than three, elastomeric material, coil supporter and magnetite quantity identical
Coil and with number of coils identical boss, base and shell be fixedly installed togather, and camera lens carrier is installed by elastomeric material
On coil supporter, boss is arranged on the outside of coil supporter, is wound with a coil on each boss, magnetite is fixedly mounted on mirror
On head carrier, magnetite is set corresponding to coil, and coil supporter bottom is fixed with below wrapping post, each boss and is correspondingly arranged on
Offer wire casing on wrapping post described in two, coil supporter, wire casing is opened in boss between described wrapping post, on base
Through hole is offered respectively corresponding to described wrapping post, and chassis outer side corresponds to through hole and is provided with sheet metal, described wrapping post
On the end of a thread be electrically connected with sheet metal.
2. the miniature shift shaft type optical anti-vibration voice coil motor structure according to claim 1 for being conducive to producing, it is characterized in that：
Described coil supporter is square or rectangle, and straight chamfering is respectively equipped with corner.
3. the miniature shift shaft type optical anti-vibration voice coil motor structure according to claim 2 for being conducive to producing, it is characterized in that：
Described magnetite and coil is correspondingly arranged at four sides of coil supporter.
4. the miniature shift shaft type optical anti-vibration voice coil motor structure according to claim 2 for being conducive to producing, it is characterized in that：
Described magnetite and coil is correspondingly arranged at the corner of coil supporter.
5. the miniature shift shaft type optical anti-vibration voice coil motor as claimed in any of claims 1 to 4 for being conducive to producing
Structure, it is characterized in that：Described boss is provided with to outer inclined-plane, is sloped inwardly to outer inclined-plane.
6. the miniature shift shaft type optical anti-vibration voice coil motor as claimed in any of claims 1 to 4 for being conducive to producing
Structure, it is characterized in that：Described elastomeric material is provided with least one.
7. a kind of miniature shift shaft type optical anti-vibration voice coil loudspeaker voice coil horse for being conducive to production as described in any one in claim 1 to 6
Up to structure assemble method, it is characterized in that：Described method is that its assembly sequency is as follows in assembling：
First, shell is upward；
2nd, the cased portion of coil supporter of advance coiling, and mechanically connected；
3rd, the camera lens carrier for having filled magnetite in advance, mounted in the center of coil supporter internal diameter；
4th, elastomeric material on coil supporter and camera lens carrier, and mechanically connected, the two is linked together；
5th, base is mounted between shell, coil supporter and elastomeric material, and is mechanically connected, by the sheet metal in base and
The end of a thread on coil supporter wrapping post carries out circuit connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410615985.9A CN104317032B (en) | 2014-11-05 | 2014-11-05 | A kind of miniature shift shaft type optical anti-vibration voice coil motor structure and assembly method for being conducive to producing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410615985.9A CN104317032B (en) | 2014-11-05 | 2014-11-05 | A kind of miniature shift shaft type optical anti-vibration voice coil motor structure and assembly method for being conducive to producing |
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| Publication Number | Publication Date |
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| CN104317032A CN104317032A (en) | 2015-01-28 |
| CN104317032B true CN104317032B (en) | 2017-07-14 |
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| CN201410615985.9A Expired - Fee Related CN104317032B (en) | 2014-11-05 | 2014-11-05 | A kind of miniature shift shaft type optical anti-vibration voice coil motor structure and assembly method for being conducive to producing |
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| WO2016070361A1 (en) * | 2014-11-05 | 2016-05-12 | 爱佩仪光电技术（深圳）有限公司 | Miniature tilt-shift type optical anti-vibration voice coil motor structure facilitating production and assembling method |
| CN104993668B (en) * | 2015-06-26 | 2018-02-09 | 爱佩仪光电技术（深圳）有限公司 | A kind of diamagnetic interference optical anti-vibration voice coil motor and its manufacture method |
| WO2016206077A1 (en) * | 2015-06-26 | 2016-12-29 | 爱佩仪光电技术（深圳）有限公司 | Anti-magnetic-interference optical anti-vibration voice coil motor |
| WO2016206074A1 (en) * | 2015-06-26 | 2016-12-29 | 爱佩仪光电技术（深圳）有限公司 | Anti-magnetic-interference optical anti-vibration voice coil motor and manufacturing method therefor |
| CN105099119B (en) * | 2015-09-25 | 2018-06-26 | 爱佩仪光电技术（深圳）有限公司 | It is a kind of to change the optical anti-vibration voice coil motor and its assembly method for moving axis center |
| WO2017049579A1 (en) * | 2015-09-25 | 2017-03-30 | 爱佩仪光电技术（深圳）有限公司 | Optical anti-vibration voice coil motor capable of changing shift axis center and assembly method thereof |
| CN105449974B (en) * | 2015-12-30 | 2018-02-06 | 信利光电股份有限公司 | A kind of voice coil motor |
| CN105490498B (en) * | 2016-02-19 | 2018-03-23 | 信利光电股份有限公司 | A kind of motor |
| JP6677586B2 (en) * | 2016-06-22 | 2020-04-08 | 日本電産サンキョー株式会社 | Coil unit and photographing optical device |
| WO2018191864A1 (en) * | 2017-04-18 | 2018-10-25 | 东莞力音电子有限公司 | Double coil structure with skeleton and winding process therefor |
| CN113848623B (en) * | 2017-05-17 | 2023-09-01 | 台湾东电化股份有限公司 | Driving mechanism |
| CN113056705B (en) * | 2018-11-14 | 2022-12-30 | 阿尔卑斯阿尔派株式会社 | Lens driving device and camera module |
| CN115134483A (en) * | 2021-03-25 | 2022-09-30 | 华为技术有限公司 | Driving motor, camera module and electronic equipment |
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