CN105449973A - Voice coil motor - Google Patents
Voice coil motor Download PDFInfo
- Publication number
- CN105449973A CN105449973A CN201511007092.7A CN201511007092A CN105449973A CN 105449973 A CN105449973 A CN 105449973A CN 201511007092 A CN201511007092 A CN 201511007092A CN 105449973 A CN105449973 A CN 105449973A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- coil motor
- carrier
- base
- dust ring
- 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.)
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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
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a voice coil motor. The voice coil motor comprises a square base, a carrier, a coil, a magnet and a shell, wherein curved surface parts are arranged at four corners at the bottom of the square base; the carrier is arranged on the base; the coil is arranged outside the carrier; the magnet is arranged outside the coil; and the shell sleeves outside the base, is provided with four arc-shaped grooves at the inner side and corresponds to the curved surface parts. The voice coil motor is simple in structure and easy to operate, and is capable of realizing adjustable dip angle so as to further improve the imaging effect of the cameras, especially the dual cameras; the dip angle adjustment of the voice coil motor is completed at the side of the base, and after the dip angle adjustment, dip angle change is not caused by external force; and the voice coil motor is convenient to assemble, easy to operate and strong in reliability and stability, and is capable of solving the problem that the process of firstly adjusting dip angle and then dispensing to fix in the prior art needs strict process requirements and has a certain dip angle after the adjustment.
Description
Technical field
The present invention relates to a kind of voice coil motor.
Background technology
Voice coil motor, have high frequency sound, high-precision feature, it is mainly used in mobile phone camera, its cardinal principle is in a permanent-magnetic field, by changing the direct current size of motor interior loop, carry out the stretch position of control spring sheet, thus drive moves up and down.Mobile phone camera uses voice coil motor to realize automatic focusing function widely, can the position of adjustable lens by voice coil motor, presents image clearly.
Current dual camera has become the standard configuration of the intelligent mobile terminals such as mobile phone instantly, but its to there is a technical bottleneck problem be exactly to ensure that the optical axis of two voice coil motors is parallel to each other, thus affect Images uniting; The size at voice coil motor inclination angle directly affects the imaging effect of last camera, due to the existence of build-up tolerance, cause groups of motors to install into rear lens carrier to be bound to there is certain inclination angle (camera lens carrier center axle is best perpendicular to lower surface, but after voice coil motor assembling, camera lens carrier center axle all can have certain inclination relative to motor lower surface).
As shown in Figure 1, existingly realize voice coil motor tilt adjustable mainly by increasing by a pair sphere 2 ' at the base of voice coil motor 1 ' bottom, regulate whole voice coil motor 1 ', two angles of first stationary tone coil motor 1 ' are motionless, again by pressing two other angle (because base is sphere-contact during pressing, can slide) realize the function of adjustable inclination, but its structure becomes more complicated, and add the integral thickness of voice coil motor, and, its reliability and less stable, prior art fixes voice coil motor 1 ' and sphere 2 ' by the nip point glue between voice coil motor 1 ' and sphere 2 ' after having adjusted inclination angle, but due to the existence in gap, glue has the problems such as elasticity, to strictly control by pressure request, if pressing is not controlled well, then the inclination angle of voice coil motor 1 ' can change again, after causing making camera, still can there is certain inclination angle, can not ensure that the optical axis of two voice coil motors is parallel to each other, therefore, be necessary to propose a kind of structure simple, and do not increase the voice coil motor of the adjustable inclination angle of voice coil motor integral thickness, to solve the deficiencies in the prior art part.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the invention provides a kind of voice coil motor, its structure is simple, is easy to operation, realizes tilt adjustable, improves the imaging effect of camera particularly dual camera further; The adjustable inclination of described voice coil motor completes in voice coil motor chassis side, after having adjusted inclination angle, change of pitch angle can not be caused because of external force, easy to assembly, be easy to operation, and reliability and stability are strong, solve prior art adjustable inclination and put glue technique for fixing again and need strict technology requirement and the problem that still there is certain inclination angle after having regulated.
Technical problem to be solved by this invention is achieved by the following technical programs:
A kind of voice coil motor, comprising:
One plinth, bottom it, four angles are provided with curved face part;
One carrier, is arranged on described base;
Coil, is arranged on outside described carrier;
Magnetite, is arranged on the outside of described coil;
One shell, it is set in described chassis outer side, and it has four deep-slotted chip breakers of the side that sets within it, and it is corresponding with described curved face part.
Further, the edge of described light hole is provided with the first protruding dust ring, and the arranged outside of described dust ring has the second protruding dust ring, forms an annular groove between the first dust ring and the second dust ring.
Further, support portion, described carrier lower end is provided with an annular protrusion, and the annular protrusion of described carrier lower end is corresponding with the annular groove that the first dust ring on base and the second dust ring are formed.
Further, the inwall of described carrier is circular, and outer wall is octagon.
Further, described magnetite has four pieces, lays respectively at outside coil, on the position at corresponding base four angles.
Further, lower shell fragment is provided with between described carrier and base.
Further, shell fragment is provided with above described carrier.
Further, shell fragment lid is provided with above described upper shell fragment.
Further, the yoke of integration is provided with outside described magnetite with upper carrier.
The present invention has following beneficial effect: described voice coil motor has deep-slotted chip breaker shell by increase by matches with the base with curved face part, realize tilt adjustable, structure is simple to operation, there is high unfailing performance and stability, improve further the imaging effect of camera particularly dual camera; Its structure is simple, be easy to realize, ease of assembly, adjustable inclination of the present invention is in voice coil motor chassis side, after having adjusted inclination angle, change of pitch angle can not be caused because of external force, ensure to regulate rear camera no longer to occur inclination angle problem, particularly ensureing when being applied to dual camera that the optical axis of two voice coil motors is parallel, solving prior art adjustable inclination and putting glue technique for fixing again and need strict technology requirement and the problem that still there is certain inclination angle after having regulated.After having assembled can adjustable inclination almost nil, then to fix, enhance productivity further and voice coil motor quality, reduce production cost, there is good economic benefit.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION figure of existing voice coil motor;
Fig. 2 is the STRUCTURE DECOMPOSITION figure of a preferred embodiment of the present invention;
Fig. 3 is the structure cutaway view of a preferred embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be described in detail.
Please refer to Fig. 2,3, the invention provides a kind of voice coil motor, it comprises:
One plinth 1, for carrying securing part, bottom it, four angles are provided with curved face part 11, and it has spherical surface; A light hole 12 is provided with in the middle of described base 1;
One carrier 2, it is for locking camera lens, is arranged on described base 1, is provided with the hollow structure corresponding with the light hole 12 on base 1 in described carrier 2;
Coil 3, it is for generation of moment, is arranged on the outside of described carrier 2;
Magnetite 4, described magnetite 4 is arranged on the outside of coil 3, for generation of permanent-magnetic field;
One shell 5, it is set in outside described base 1, and it has four deep-slotted chip breakers 51 of the side that sets within it, and it is corresponding with described curved face part 11.Preferably, the diameter of the curved face part 11 of described base 1 or dimensional parameters identical with the deep-slotted chip breaker 51 of shell 5.
It should be noted that, described deep-slotted chip breaker 51 is sphere with the contact-making surface of curved face part 11, and both spherical diameters are equal, namely base four angles have four spheres to the face that contacts with each other, four pairs of spheres are all on same sphere, just can realize slidable adjustment, complete tilt adjustment.
The inclination angle that described voice coil motor is cooperatively interacted for regulating voice coil motor with the curved face part 11 of base 1 by the deep-slotted chip breaker 51 of shell 5, reduce inclination angle, try one's best the central axis of carrier 2 in lower surface, to improve the imaging effect of camera further, when being particularly applied to dual camera, by the tilt adjustment of this voice coil motor, to ensure the optical axis of two voice coil motors to be in the state of being parallel to each other, and its structure is simple, assembling is simple, reliability and stability strong.Adjustable inclination of the present invention is in voice coil motor chassis side, i.e. the cooperatively interacting of deep-slotted chip breaker and curved face part, after having adjusted inclination angle, change of pitch angle can not be caused because of external force, ensure to regulate rear camera no longer to occur inclination angle problem, particularly ensureing when being applied to dual camera that the optical axis of two voice coil motors is parallel, solving prior art adjustable inclination and putting glue technique for fixing again and need strict technology requirement and the problem that still there is certain inclination angle after having regulated.
Make further improvements, be provided with the internal thread 22 realizing with camera lens locking inside described carrier 2, what realize locking of camera lens by camera lens carrier 2 and adjust camera lens locks the degree of depth.
Make further improvements; the edge that described base 1 is positioned at described light hole 12 is provided with the first protruding dust ring 13; the arranged outside of the first dust ring 13 has the second protruding dust ring 14; the design forming an annular groove 15, two dust rings between first dust ring 13 and the second dust ring 14 increases dust or foreign object enters the path of camera by voice coil motor.Better base 1 is adapted in order to make carrier 2, support portion, carrier 2 lower end is provided with an annular protrusion 21, the annular protrusion 21 of carrier 2 lower end is corresponding with described annular groove 15, further lengthening motor enters dirt path, reduce camera enter dirt risk, can also make the location of base 1 pair of carrier 2 and anti-tilt capability stronger.
Make further improvements, described carrier 2 cross section of inboard wall is circular, and external wall cross-section is octagon or other shape; Described magnetite 4 has four pieces, lays respectively at the outside of described coil 3, and corresponding with described base 1 four angles.In order to balance operationally the produced moment of described coil 3 better, lower shell fragment 6 can be provided with between described carrier 2 and base 1, and be provided with shell fragment 7 on described carrier 2, when voice coil motor works, the obstructed electric current of described upper shell fragment 7, described lower shell fragment 6 alives.In order to fixing upper shell fragment 7 better, shell fragment 7 can be provided with above shell fragment 7 on described and cover.Outside described magnetite 4 and coil 3 carrier 2 top is provided with the yoke 8 of integration, for the magnetic line of force that concentrated magnetite 4 produces, and plays protection fixation to the parts of voice coil motor.
The above embodiment only have expressed embodiments of the present invention; it describes comparatively concrete and detailed; but therefore can not be interpreted as the restriction to the scope of the claims of the present invention; in every case the technical scheme adopting the form of equivalent replacement or equivalent transformation to obtain, all should drop within protection scope of the present invention.
Claims (9)
1. a voice coil motor, is characterized in that, comprising:
One plinth, bottom it, four angles are provided with curved face part;
One carrier, is arranged on described base;
Coil, is arranged on outside described carrier;
Magnetite, is arranged on the outside of described coil;
One shell, it is set in described chassis outer side, and it has four deep-slotted chip breakers of the side that sets within it, and it is corresponding with described curved face part.
2. voice coil motor according to claim 1, it is characterized in that, the edge of described light hole is provided with the first protruding dust ring, and the arranged outside of described dust ring has the second protruding dust ring, forms an annular groove between the first dust ring and the second dust ring.
3. voice coil motor according to claim 1, is characterized in that, support portion, described carrier lower end is provided with an annular protrusion, and the annular protrusion of described carrier lower end is corresponding with the annular groove that the first dust ring on base and the second dust ring are formed.
4. voice coil motor according to claim 1, is characterized in that, the inwall of described carrier is circular, and outer wall is octagon.
5. voice coil motor according to claim 1, is characterized in that, described magnetite has four pieces, lays respectively at outside coil, on the position at corresponding base four angles.
6. voice coil motor according to claim 1, is characterized in that, is provided with lower shell fragment between described carrier and base.
7. voice coil motor according to claim 1, is characterized in that, is provided with shell fragment above described carrier.
8. voice coil motor according to claim 7, is characterized in that, is provided with shell fragment lid above described upper shell fragment.
9. voice coil motor according to claim 1, is characterized in that, is provided with the yoke of integration outside described magnetite with upper carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007092.7A CN105449973B (en) | 2015-12-30 | 2015-12-30 | A kind of voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007092.7A CN105449973B (en) | 2015-12-30 | 2015-12-30 | A kind of voice coil motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105449973A true CN105449973A (en) | 2016-03-30 |
| CN105449973B CN105449973B (en) | 2018-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511007092.7A Active CN105449973B (en) | 2015-12-30 | 2015-12-30 | A kind of voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105449973B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785546A (en) * | 2016-04-27 | 2016-07-20 | 河南省皓泽电子有限公司 | Closed loop single camera automatic focusing driving device of novel dustproof structure |
| CN105892000A (en) * | 2016-04-13 | 2016-08-24 | 厦门新鸿洲精密科技有限公司 | Dustproof structure of voice coil motor |
| CN105959516A (en) * | 2016-05-05 | 2016-09-21 | 信利光电股份有限公司 | Voice coil motor, camera module and electronic equipment |
| CN106059243A (en) * | 2016-07-27 | 2016-10-26 | 厦门新鸿洲精密科技有限公司 | Voice coil motor suitable for multiple cameras in parallel arrangement |
| CN106291968A (en) * | 2016-10-27 | 2017-01-04 | 信利光电股份有限公司 | The inclination angle regulation method of a kind of voice coil motor and assemble method |
| CN108989629A (en) * | 2017-06-02 | 2018-12-11 | 宁波舜宇光电信息有限公司 | Driving assembly and camera module and its electronic equipment |
| WO2019075700A1 (en) * | 2017-10-19 | 2019-04-25 | 华为技术有限公司 | Camera module and mobile terminal |
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| CN1974321A (en) * | 2005-11-30 | 2007-06-06 | 梅西耶-布加蒂公司 | Electromechanical brake with angular displaceable actuators |
| CN102313966A (en) * | 2011-09-06 | 2012-01-11 | 中国科学院长春光学精密机械与物理研究所 | Rigid load-bearing quick control reflector |
| CN103185942A (en) * | 2011-12-29 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Camera lens module |
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| CN203912055U (en) * | 2014-05-04 | 2014-10-29 | 光宝电子(广州)有限公司 | Voice coil motor and camera module |
| CN204166182U (en) * | 2014-09-29 | 2015-02-18 | 河南省皓泽电子有限公司 | A kind of lens driver of simple and easy voice coil motor |
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2015
- 2015-12-30 CN CN201511007092.7A patent/CN105449973B/en active Active
Patent Citations (8)
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| CN1974321A (en) * | 2005-11-30 | 2007-06-06 | 梅西耶-布加蒂公司 | Electromechanical brake with angular displaceable actuators |
| CN102313966A (en) * | 2011-09-06 | 2012-01-11 | 中国科学院长春光学精密机械与物理研究所 | Rigid load-bearing quick control reflector |
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| KR20140119360A (en) * | 2013-03-29 | 2014-10-10 | 자화전자(주) | Voice coil motor |
| CN103336400A (en) * | 2013-06-20 | 2013-10-02 | 杭州同尊信息技术有限公司 | Camera back focus regulating mechanism component |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892000A (en) * | 2016-04-13 | 2016-08-24 | 厦门新鸿洲精密科技有限公司 | Dustproof structure of voice coil motor |
| CN105785546A (en) * | 2016-04-27 | 2016-07-20 | 河南省皓泽电子有限公司 | Closed loop single camera automatic focusing driving device of novel dustproof structure |
| CN105959516A (en) * | 2016-05-05 | 2016-09-21 | 信利光电股份有限公司 | Voice coil motor, camera module and electronic equipment |
| CN106059243A (en) * | 2016-07-27 | 2016-10-26 | 厦门新鸿洲精密科技有限公司 | Voice coil motor suitable for multiple cameras in parallel arrangement |
| CN106291968A (en) * | 2016-10-27 | 2017-01-04 | 信利光电股份有限公司 | The inclination angle regulation method of a kind of voice coil motor and assemble method |
| WO2018076597A1 (en) * | 2016-10-27 | 2018-05-03 | 信利光电股份有限公司 | Inclination angle adjusting method of voice coil motor and assembling method |
| CN108989629A (en) * | 2017-06-02 | 2018-12-11 | 宁波舜宇光电信息有限公司 | Driving assembly and camera module and its electronic equipment |
| CN108989629B (en) * | 2017-06-02 | 2023-06-30 | 宁波舜宇光电信息有限公司 | Driving assembly, camera module and electronic equipment thereof |
| WO2019075700A1 (en) * | 2017-10-19 | 2019-04-25 | 华为技术有限公司 | Camera module and mobile terminal |
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| CN105449973B (en) | 2018-02-06 |
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