CN102810968B - Voice coil motor actuator and image-taking device - Google Patents
Voice coil motor actuator and image-taking device Download PDFInfo
- Publication number
- CN102810968B CN102810968B CN201110141802.0A CN201110141802A CN102810968B CN 102810968 B CN102810968 B CN 102810968B CN 201110141802 A CN201110141802 A CN 201110141802A CN 102810968 B CN102810968 B CN 102810968B
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- movable part
- shell
- voice coil
- shell fragment
- motor actuator
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The present invention relates to a kind of voice coil motor actuator, it includes movable part, coil, multiple magnet, upper shell fragment and shell.The coil is wound in the outer wall of the movable part, and the shell includes multiple side plates, and the plurality of side plate is end to end successively.Each magnet is fixed on two inner surfaces of two adjacent side plates, and the movable part and the coil can be actively installed in the shell.Shell fragment is arranged on the movable part and is contained in the shell on this.The plurality of magnet sets the coil periphery to cause in the coil in galvanization, and the movable part is in the movable part central axis direction movement of the interaction lower edge of the magnet and coil.The invention further relates to a kind of image-taking device with above-mentioned voice coil motor actuator.
Description
Technical field
The present invention relates to a kind of voice coil motor actuator and a kind of image-taking device with the voice coil motor actuator.
Background technology
Voice coil motor actuator typically all includes the fixation fitted tube and one of shell, one in the shell movably
It is installed in the movable part in the fixation fitted tube.The movable part periphery is provided with coil, and the fixation fitted tube is provided with magnet.It is being powered
In the case of, the voice coil motor actuator drives the movable part to do past by the interaction force between magnet and hot-wire coil
Multiple motion.But, the complicated and volume of above-mentioned voice coil motor actuator is larger, is unfavorable for the small of voice coil motor actuator
The raising of type and packaging efficiency.
The content of the invention
In view of this, it is necessary to voice coil motor actuator a kind of simple in construction and compact is provided and a kind of there is the voice coil loudspeaker voice coil
The image-taking device of motor actuator.
A kind of voice coil motor actuator, it includes movable part, coil, multiple magnet, upper shell fragment and shell.The coil is wound
In the outer wall of the movable part, the shell includes multiple side plates, and the plurality of side plate is end to end successively.The both sides difference of each magnet
It is fixed on two inner surfaces of two adjacent side plates, the movable part and the coil can be actively installed in the shell.On this
Shell fragment is arranged on the movable part and is contained in the shell.The plurality of magnet sets the coil periphery to exist in the coil
In galvanization, the movable part is in the movable part central axis direction movement of the interaction lower edge of the magnet and coil, the voice coil loudspeaker voice coil
Motor actuator also includes the load bearing seat that is engaged with the shell, the load bearing seat be engaged with the shell with house shell fragment on this,
The plurality of magnet and the movable part；The lower edge of at least side plate has fixture block, and the load bearing seat has multiple sides, wherein with
This, which has, offers neck on the corresponding side of the side plate of fixture block, when load bearing seat coordinates with the shell, and fixture block is sticked in correspondence
Neck in so that load bearing seat to be interfixed with the shell, the voice coil motor actuator includes lower shell fragment, and the lower shell fragment is contained in
In the shell, multiple locating dowels are additionally provided with the corner of the load bearing seat, are set in the relevant position at four angles of the lower shell fragment
There are multiple positioning holes, the locating dowel is inserted in positioning hole with the lower shell fragment to position the load bearing seat and affixed.
A kind of image-taking device, it includes lens unit, image sensor and above-mentioned voice coil motor actuator.The camera lens list
Member is fixed in the movable part, and the image sensor is arranged on the image side of the lens unit.The central shaft of the movable part and the mirror
The light shaft coaxle of head unit, under the interaction of the magnet and the coil, the movable part drives the lens unit along movable part
Central axis direction movement.
Compared with prior art, voice coil motor actuator and image-taking device provided by the present invention are outer by the way that magnet is fixed on
On the inwall of shell, so as to eliminate fixed fitted tube, and then the structure of whole voice coil motor actuator and image-taking device is simplified,
And make it that the structure of voice coil motor actuator and image-taking device is compacter, packaging efficiency is greatly promoted.
Brief description of the drawings
The schematic perspective view for the voice coil motor actuator that Fig. 1 is provided by first embodiment of the invention.
Fig. 2 is the decomposing schematic representation of Fig. 1 voice coil motor actuator.
Fig. 3 is the diagrammatic cross-section along Fig. 1 III-III lines.
Fig. 4 is the part assembling figure of Fig. 2 voice coil motor actuator.
A kind of diagrammatic cross-section for image-taking device that Fig. 5 provides for second embodiment of the invention.
Main element symbol description
Following embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Embodiment
Embodiment provided by the present invention is described in further detail below in conjunction with accompanying drawing.
The voice coil motor actuator 100 provided also referring to Fig. 1 to Fig. 4, first embodiment of the invention, the voice coil loudspeaker voice coil horse
It is used for driving lens unit 210 (ginseng Fig. 5) to move up to actuator 100.
The voice coil motor actuator 100 includes shell 10, upper shell fragment 30,4 magnet 40, movable part 60, coil 62, lower bullets
Piece 70, load bearing seat 80 and distance piece 90.
Shell 10 is substantially square, and it can be by electricity such as dilval, conductive plastics, surface conductance material, electro-conductive glass
Magnetic shielding material is made, so that the shell 10, which has, eliminates external electromagnetic to the interference of the voice coil motor actuator 100 simultaneously
Prevent the function of its exterior electrical components of the electromagnetic effect of the voice coil motor actuator 100.
The shell 10 includes an abacus 15, the first side plate 11, the second side plate 12, the 3rd side plate 13 and the 4th side
Plate 14.The side plate 13 of first side plate 11 and the 3rd is oppositely arranged and connects the side plate 14 of the second side plate 12 and the 4th, and this
Two side plates 12 and the 4th side plate 14 are oppositely arranged and connect the side plate 13 of the first side plate 11 and the 3rd.First side plate 11,
Second side plate 12, the 3rd side plate 13 and the 4th side plate 14 are arranged at the side of abacus 15 4, the abacus 15 and four side plates
11st, 12,13 and 14 surround to house the receiving space 300 of the movable part 60, the coil 62, upper shell fragment 30 and lower shell fragment 70.
The geometric center of the abacus 15 offers first light hole 16 to cause ambient light thereby into the shell 10
It is interior.First light hole 16 is communicated with receiving space 300.The lower edge of first side plate 11 and the 3rd side plate 13 is respectively provided with fixture block
110。
Magnet 40 is used in the shell 10 producing magnetic field.Each magnet 40 is substantially in straight triangular prism shaped, its two up and down
The substantially rectangular triangle in bottom surface.Each magnet 40 is fixed on two inner surfaces of the biside plate being connected.Incorporated by reference to Fig. 4 simultaneously
Give one example and illustrate the fixed form of magnet 40.Magnet 40 includes the lateral surface 41 and 42 of two interconnections, the first side plate
11 include the first inner surface 111, and the second side plate 12 includes the second inner surface 121, and lateral surface 41 adheres to the first inner surface 111
On, lateral surface 42 is adhered on the second inner surface 121, so that magnet 40 is fixed on two of the biside plate 11,12 being connected
On inner surface 111,121.
Upper shell fragment 30 is substantially square, and the heart offers second thang-kng corresponding with first light hole 16 wherein
Hole 33.Upper shell fragment 30 also includes fixed part 31 and movable part 32, and the fixed part 31 and movable part 32 surround second thang-kng
Hole 33 is set, and wherein the movable part 32 is close to second light hole 33, and the fixed part 31 is away from second light hole 33.Distance piece
90 are arranged on this between the fixed part 31 and the top plate 15 of shell fragment 30, and the magnet 40 is by the fixed part 31 of shell fragment on this 30
It is resisted against on the distance piece 90 that shell fragment on this 30 is fixed (ginseng Fig. 4).
For the convenience of assembling, the shell 10 includes multiple guidance parts 17.The guidance part 17 surrounds first thang-kng certainly
The edge of top plate 15 in hole 16 extends into the shell 10 and is arranged in the movable part 32 of shell fragment 30 on this.
It should be understood that shell fragment 30 can also be fixed on the distance piece 90 by another way on this, for example, pass through
The fixed part 31 of upper shell fragment 30 is fixed on the distance piece 90 by the mode such as set screw or dispensing fixation.Distance piece 90 is set
Putting makes the movable part 32 of shell fragment 30 have enough spaces to move/deformation.Certainly, in other embodiments, voice coil loudspeaker voice coil horse
The distance piece 90 can be omitted up to actuator 100, and the thickness of the fixed part 31 of shell fragment on this 30 is become than movable part 32
Thickness it is big, provide required deformation/mobile space as the movable part 32 of upper shell fragment 30；Or to omit the distance piece after 90s,
Deformation/moving disorder of movable part 32 of upper shell fragment 30 etc. is reduced by the area of the first light hole 16 of increase.
The movable part 60 is substantially cylindrical in shape, and it offers the female center through hole 611 of tool, and the center through hole 611 is used
To house lens unit 210 (ginseng Fig. 5), the external thread bolt connection of the internal thread and lens unit 210, by the lens unit 210
Fixed as one with the movable part 60.The coil 62 is wrapped in the outer wall of movable part 60.
The structure of lower shell fragment 70 is similar to the structure of upper shell fragment 30, and it also has light hole and set around the light hole
Movable part and fixed part, its difference is：The lower shell fragment 70 is split-type design, and it includes spaced first point
The burst 72 of piece 71 and second.The voice coil motor actuator 100 includes the first pin 711 and second pin 712.First pin
711st, first burst 71, the coil 62, second burst 72 are sequentially connected in series with the second pin 712, therefore, by by first
Pin 711 and second pin 712 connect with the both positive and negative polarity of power supply, just can provide electric current to coil 62.It is appreciated that in other realities
Apply in mode, the structure of the lower shell fragment 70 can be identical with the structure of upper shell fragment 30, and the first pin 711, coil 62 and
Two pins 712 are sequentially connected in series.
The movable part 60 shell fragment 30 and lower shell fragment on this hold about 70 and are contained in the shell 10, the wherein work
Movable part of the two ends of moving part 60 respectively with shell fragment on this 30 and lower shell fragment 70 is fixedly connected with each other, so that the activity of movable part 60
It is contained in the shell 10.
In use, electric current is conveyed to coil 62 by the first pin 711 as current input terminal, second pin 712,
The coil 62 now alived is acted in the magnetic field of four magnet 40 formation set around it by power, so as to drive
Move in central axis L direction of the movable part 60 along movable part 60.
Load bearing seat 80 coordinates to house upper shell fragment 30, multiple magnet 40, movable part 60 and lower shell fragment 70 with the shell 10.Hold
Carrying the center of seat 80 has through hole 81, and its size is suitable with the center through hole 611 of the movable part 60.In the corner of the load bearing seat 80
On be additionally provided with multiple locating dowels 82.It is corresponding with the plurality of locating dowel 82, the corresponding positions at four angles of the lower shell fragment 70
Install and be equipped with multiple positioning holes 73, the load bearing seat 80 is mutually located simultaneously with the lower shell fragment 70 by the locating dowel 82 and positioning hole 73
Dispensing is affixed.Two sides 83 corresponding with the first side plate 11 and the 3rd side plate 13 of load bearing seat 80 offer neck 84, load bearing seat
80 with the shell 10 when coordinating, and fixture block 110 is sticked in corresponding neck 84 to interfix load bearing seat 80 with the shell 10.
It please join Fig. 5, a kind of image-taking device 200 that second embodiment of the invention is provided includes lens unit 210, image and passed
Sensor 240 and above-mentioned voice coil motor actuator 100.
The optical axis O and movable part 60 of the lens unit 210 central axis L are coaxial.The lens unit 210 is fixed on the activity
In part 60.Specifically, the lens unit 210 includes lens group 220 and lens barrel 230, and the lens group 220 is contained in the lens barrel 230
Interior, the lens barrel 230 is contained in the movable part 60 and mutually screwed togather with the movable part 60.
It should be understood that in other embodiments, lens unit 210 lens barrel 230 can be omitted and directly by lens group
220 screw togather or are glued in the movable part 60.
The image sensor 240 is located at the image side of lens unit 210 and is contained in the load bearing seat 80.
In use, electric current is conveyed to the coil 62 being wrapped on the movable part 60, in the presence of magnet 40 and coil 62,
The movable part 60 drive is contained in lens unit 210 therein and occurs the optical axis O along the lens unit 210 (in movable part 60
Heart axle L) direction movement.
It should be understood that in other embodiments, the image sensor 240 can be not housed within the load bearing seat 80,
The image-taking device 200 may include there is a microscope base cooperated with the lens barrel 230, and wherein the microscope base is used for housing image biography
Sensor 240.In addition, shell 10 is not limited in present embodiment substantially in hexahedral with the shape joined together formed of load bearing seat 80
Shape, can also be other polyhedral shapes.The quantity of magnet 40 is not limited to 4, or other quantity, and only needing can be to line
Circle 62 produces uniform driving force.
Above-mentioned voice coil motor actuator 100 and image-taking device 200 by the way that magnet 40 is fixed on the inwall of shell 10, from
And fixed fitted tube can be eliminated, and then the structure of whole voice coil motor actuator 100 and image-taking device 200 is simplified, and cause
The structure of voice coil motor actuator 100 and image-taking device 200 is compacter, packaging efficiency is greatly promoted.
In addition, those skilled in the art can also do other changes in spirit of the invention.Certainly, these are according to the present invention
The change that spirit is done, should all be included within scope of the present invention.
Claims (9)
1. a kind of voice coil motor actuator, it includes movable part, coil, multiple magnet, upper shell fragment and shell, and the coil is wound in
The outer wall of the movable part, the shell includes multiple side plates, and the plurality of side plate is end to end successively, and the both sides of each magnet are solid respectively
It is scheduled on two inner surfaces of two adjacent side plates, the movable part and the coil can be actively installed in the shell, bullet on this
Piece is arranged on the movable part and is contained in the shell, and the plurality of magnet sets the coil periphery to cause in the coil logical
In electric process, the movable part is in the movable part central axis direction movement of the interaction lower edge of the magnet and coil, the voice coil loudspeaker voice coil horse
Also include the load bearing seat being engaged with the shell up to actuator, the load bearing seat is engaged to house shell fragment on this, be somebody's turn to do with the shell
Multiple magnet and the movable part；The lower edge of at least side plate has fixture block, before load bearing seat and shell assembling and after assembling,
The fixture block is projecting inward to shell both with respect to side plate, and the load bearing seat has multiple sides, wherein having the side plate phase of fixture block with this
Offer neck on corresponding side, when load bearing seat coordinates with the shell, fixture block is sticked in corresponding neck with by load bearing seat
Interfixed with the shell, the voice coil motor actuator includes lower shell fragment, the lower shell fragment is contained in the shell, the load bearing seat
Multiple locating dowels are additionally provided with corner, the relevant position at four angles of the lower shell fragment multiple positioning holes are provided with, the positioning
Post is inserted in positioning hole so as to which the load bearing seat be positioned and affixed with the lower shell fragment, and shell fragment has fixed part and movable on this
Portion, the fixed part is fixedly connected with each other with the shell, and the movable part is fixedly connected with each other with the movable part, the thickness of the fixed part of shell fragment on this
Become bigger than the thickness of movable part.
2. voice coil motor actuator as claimed in claim 1, it is characterised in that the shell includes being connected to the plurality of side plate
Top plate, the top plate and the plurality of side plate surround to house the movable part and the receiving space of the coil, the top plate offer with
The light hole that the receiving space is communicated.
3. voice coil motor actuator as claimed in claim 2, it is characterised in that shell fragment and the lower shell fragment are by the movable part on this
Clamp up and down, the lower shell fragment also has fixed part and movable part, the fixed part is fixedly connected with each other with the shell, the movable part and the work
Moving part is fixedly connected with each other.
4. voice coil motor actuator as claimed in claim 3, it is characterised in that the shell includes guidance part, and the guidance part is certainly
The ceiling edge for surrounding the light hole extends into the shell and is arranged in the movable part of shell fragment on this.
5. the voice coil motor actuator as described in any one of claim 3 to 4, it is characterised in that the lower shell fragment includes mutual
Every the first burst and the second burst, the voice coil motor actuator includes the first pin and second pin, first pin, this
One burst, the coil, second burst and the second pin are sequentially connected in series.
6. voice coil motor actuator as claimed in claim 5, it is characterised in that the load bearing seat is engaged to house with the shell
The lower shell fragment.
7. a kind of image-taking device, it includes lens unit, image sensor and voice coil motor as claimed in claim 1 actuating
Device, the lens unit is fixed in the movable part, and the image sensor is arranged on the image side of the lens unit, in the movable part
The light shaft coaxle of heart axle and the lens unit, under the interaction of the magnet and the coil, the movable part drives the camera lens list
Member is moved along the central axis direction of the movable part.
8. image-taking device as claimed in claim 7, it is characterised in that the lens unit includes lens group and lens barrel, the lens
Group is contained in the lens barrel, and the lens barrel is contained in the movable part and mutually screwed togather with the movable part.
9. image-taking device as claimed in claim 7, it is characterised in that the shell includes the top plate for being connected to the plurality of side plate,
The top plate and the plurality of side plate are surrounded to house the movable part and the receiving space of the coil, and the top plate is offered and the collecting
The light hole that space is communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110141802.0A CN102810968B (en) | 2011-05-30 | 2011-05-30 | Voice coil motor actuator and image-taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110141802.0A CN102810968B (en) | 2011-05-30 | 2011-05-30 | Voice coil motor actuator and image-taking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102810968A CN102810968A (en) | 2012-12-05 |
| CN102810968B true CN102810968B (en) | 2017-09-01 |
Family
ID=47234583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110141802.0A Expired - Fee Related CN102810968B (en) | 2011-05-30 | 2011-05-30 | Voice coil motor actuator and image-taking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102810968B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354397B (en) * | 2013-06-26 | 2015-09-16 | 宜兴市贵鑫磁电高科技有限公司 | With the voice coil motor of dustproof construction |
| CN104765223B (en) * | 2014-01-03 | 2020-01-21 | Lg伊诺特有限公司 | Camera module |
| CN105429419A (en) * | 2015-12-29 | 2016-03-23 | 深圳市美意达科技有限公司 | Voice coil motor capable of being centered accurately |
| CN105629424B (en) * | 2016-02-23 | 2018-06-22 | 绵阳安和光电科技有限公司 | Lens driver |
| CN105676403B (en) * | 2016-04-18 | 2018-07-20 | 苏州久易光电科技有限公司 | A kind of ultra-thin voice coil motor for lens driver |
| CN105676407B (en) * | 2016-04-18 | 2018-08-31 | 苏州久易光电科技有限公司 | Punching press, etching metal and moulding integrated formed structure in lens driver |
| CN213581536U (en) * | 2020-06-30 | 2021-06-29 | 诚瑞光学(常州)股份有限公司 | Lens driving device and electronic apparatus |
| CN213581535U (en) * | 2020-06-30 | 2021-06-29 | 诚瑞光学(常州)股份有限公司 | Lens driving device and electronic apparatus |
| CN213457484U (en) * | 2020-06-30 | 2021-06-15 | 诚瑞光学(常州)股份有限公司 | Lens driving device and electronic apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488698A (en) * | 2009-02-23 | 2009-07-22 | 李俊 | Voice coil type focus motor |
| CN101666900A (en) * | 2008-09-05 | 2010-03-10 | 日本电产三协株式会社 | Lens drive device |
| CN101726852A (en) * | 2008-10-20 | 2010-06-09 | 日本电产三协株式会社 | Optical unit with shake correcting function and shake correction control method therefor |
| CN102075056A (en) * | 2009-11-20 | 2011-05-25 | Lg伊诺特有限公司 | Voice coil motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM304689U (en) * | 2006-06-09 | 2007-01-11 | Tricore Corp | Focusing actuator using voice coil motor |
| CN101877509A (en) * | 2009-04-29 | 2010-11-03 | 鸿富锦精密工业（深圳）有限公司 | Electromagnetic interference-preventing shell structure of voice coil motor |
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2011
- 2011-05-30 CN CN201110141802.0A patent/CN102810968B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666900A (en) * | 2008-09-05 | 2010-03-10 | 日本电产三协株式会社 | Lens drive device |
| CN101726852A (en) * | 2008-10-20 | 2010-06-09 | 日本电产三协株式会社 | Optical unit with shake correcting function and shake correction control method therefor |
| CN101488698A (en) * | 2009-02-23 | 2009-07-22 | 李俊 | Voice coil type focus motor |
| CN102075056A (en) * | 2009-11-20 | 2011-05-25 | Lg伊诺特有限公司 | Voice coil motor |
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| Publication number | Publication date |
|---|---|
| CN102810968A (en) | 2012-12-05 |
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Effective date of registration: 20170710 Address after: Guangdong province Shenzhen city Longhua District Dragon Road No. 83 wing group building 11 floor Applicant after: SCIENBIZIP CONSULTING (SHEN ZHEN) CO., LTD. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Applicant before: Hon Hai Precision Industry Co., Ltd. |
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