CN107147271B - A kind of voice coil motor - Google Patents
A kind of voice coil motor Download PDFInfo
- Publication number
- CN107147271B CN107147271B CN201710475968.3A CN201710475968A CN107147271B CN 107147271 B CN107147271 B CN 107147271B CN 201710475968 A CN201710475968 A CN 201710475968A CN 107147271 B CN107147271 B CN 107147271B
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- CN
- China
- Prior art keywords
- column
- sub
- voice coil
- mounting box
- coil motor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
A kind of voice coil motor has the advantage that the bottom plate due to movable component is set in mounting box, and movable component and fixation kit have limit function, not easily to fall off；It is corresponding with four coil windings that four sides of mounting box are mounted on magnet, effectively enhances magnetic field, significantly improves power output；Lens assembly mounting plate is movable to be mounted in installation land, for different camera lenses, can realize that a variety of lens assemblies are compatible by replacement lens assembly mounting plate；By changing female column at a distance from sub- column, telescopic extensions of the invention are effectively increased, practicability significantly increases.
Description
Technical field
The present invention relates to technical field of driving, especially a kind of voice coil motor.
Background technique
Voice coil motor (Voice Coil Actuator/ Voice Coil Motor), is that one kind converts electrical energy into machine
The device of tool energy, and realize the movement of linear type and limited pivot angle.Using from permanent-magnet steel magnetic field and hot-wire coil conductor
Interaction in the magnetic field of generation between magnetic pole generates the device of regular movement.
Voice coil motor is generally made of fixation kit and movable component, generally has the disadvantages that 1, fixation kit and work
There is no fixed relationship, therefore, voice coil motor structure and insecure between dynamic component, holds during installation, use or transport
The case where being easily scattered.2, the flexible length of general voice coil motor is fixed, and versatility is not strong, for different hands
Machine, it may be necessary in addition be arranged and produce.
Summary of the invention
It is an object of the invention to provide a kind of voice coil motors, it can effectively install fixation kit and movable component
Together, stability of the voice coil motor when installing, using and transporting is improved.
It is realized the purpose of the present invention is technical solution in this way, it includes movable device and fixed mechanism, Gu
Determining mechanism includes that mounting box is sealed in upper and lower end face, and four sides of mounting box are mounted on one block of magnet, in mounting box
There are four through-holes for setting on upper surface；Movable device includes bottom plate and four telescopic masts, four telescopic masts and four through-holes one
One is corresponding, is wound with coil winding between each adjacent two telescopic mast, and lens assembly peace is provided at the top of four telescopic masts
Loading board, the bottom plate is movable to be located in mounting box, and lens assembly mounting plate is located at the top of mounting box upper surface；
The mounting box upper surface passes through magnetic absorption in four side top end faces of mounting box；
The mounting box upper surface includes the outer box of lower ending opening, is provided with one in the bottom end of four sides of outer box
Angle between four sides of elastic slice, elastic slice and outer box is less than or equal to 90 degree, between four sides in elastic slice end and outer box
Distance is greater than the distance between four sides of outer box and four sides of mounting box.
Further, four telescopic masts include the first sub- column and the second sub- column, the first sub- column and the second sub- column
Upper/lower terminal is fixed together by connecting plate, has gap between the first sub- column and the second sub- column.
Further, one group of coil winding is provided between the sub- column of adjacent two telescopic masts.
Further, four telescopic masts include hollow female column and the sub- column being sleeved in female column.
Further, it is provided with a notch through female column outer wall on the outer wall of female column, on the top of female column outer wall
It is provided with external screw thread and tapped end cap corresponding with external screw thread, sub- column is movable to pass through end cap.
Further, the inner wall of female column is provided with internal screw thread, and corresponding outer spiral shell is provided on the outer wall of sub- column
Line.
Further, it is provided with installation land at the top of four telescopic masts, the telescopic mast setting on land is installed
There is external screw thread, mounting hole corresponding with four telescopic masts is provided on lens assembly mounting plate, lens assembly mounting plate passes through
Mounting hole is placed in installation land, and is fixed by four tapped nuts.
Further, the infrared distance measurement for detecting bottom plate Yu mounting box lower end surface distance is provided on bottom plate bottom face
Instrument, the signal output end of infrared range-measurement system and the signal input part of single-chip microcontroller connect, and the signal output end and power supply of single-chip microcontroller connect
It connects, power supply provides power supply for coil winding.
By adopting the above-described technical solution, the present invention has the advantage that:
1, since the bottom plate of movable component is set in mounting box, movable component and fixation kit have limit function, no
It is easy to fall off；
2, it is corresponding with four coil windings to be mounted on magnet for four sides of mounting box, effectively enhances magnetic field, shows
Work improves power output；
3, lens assembly mounting plate is movable is mounted in installation land, can be by replacing mirror for different camera lenses
Head assembly mounting plate realizes that a variety of lens assemblies are compatible；
4, by changing female column at a distance from sub- column, telescopic extensions of the invention are effectively increased, practicability significantly increases.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target and other advantages of the invention can be wanted by following specification and right
Book is sought to be achieved and obtained.
Detailed description of the invention
Detailed description of the invention of the invention is as follows.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the first example structure schematic diagram of mounting box upper surface；
Fig. 3 is the first example structure schematic diagram of bottom plate；
Fig. 4 is second of mounting box upper surface example structure schematic diagram；
Fig. 5 is second of example structure schematic diagram of bottom plate；
Fig. 6 is the third example structure schematic diagram of bottom plate.
In figure: 1. mounting boxs；2. magnet；3. through-hole；4. telescopic mast；5. bottom plate；6. coil winding；7. lens assembly is installed
Plate；8. outer box；9. elastic slice；10. the first sub- column；11. the second sub- column；12. female column；13. sub- column.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment one:
A kind of voice coil motor, includes movable device and fixed mechanism, and fixed mechanism includes that peace is sealed in upper and lower end face
Mounted box 1, four sides of mounting box 1 are mounted on one block of magnet 2, and magnet 2 is that hot-wire coil winding 6 provides magnetic field, four blocks of magnetic
Iron 2 effectively increases magnetic field strength, and there are four through-holes 3 for setting on the upper surface of mounting box 1；Movable device includes bottom plate 5
With four telescopic masts 4, four telescopic masts 4 and four through-holes 3 are corresponded, and are wound between each adjacent two telescopic mast 4 wired
Circle winding 6 is provided with lens assembly mounting plate 7 at the top of four telescopic masts 4, and the bottom plate 5 is movable to be located in mounting box 1,
Lens assembly mounting plate 7 is located at the top of 1 upper surface of mounting box, and fixed mechanism and movable device can be fixed on by being designed in this way
Together, it avoids fixed mechanism and movable device from falling off, significantly improves the reliability and stability of voice coil motor.Mounting box upper end
Face, in four side top end faces of mounting box 1, is again covered 1 upper surface of mounting box after installing bottom plate 5, just by magnetic absorption
In installation.Four telescopic masts 4 include the first sub- column 10 and the second sub- column 11, the first sub- column 10 and the second sub- column 11 it is upper,
Lower both ends are fixed together by connecting plate, have gap, the first sub- column 10 between the first sub- column 10 and the second sub- column 11
With 11 uniform, the second sub- column around a turn coil winding 6, it does not interfere with each other.
Embodiment two:
A kind of voice coil motor, includes movable device and fixed mechanism, and fixed mechanism includes that peace is sealed in upper and lower end face
Mounted box 1, four sides of mounting box 1 are mounted on one block of magnet 2, and magnet 2 is that hot-wire coil winding 6 provides magnetic field, four blocks of magnetic
Iron 2 effectively increases magnetic field strength, and there are four through-holes 3 for setting on the upper surface of mounting box 1；Movable device includes bottom plate 5
With four telescopic masts 4, four telescopic masts 4 and four through-holes 3 are corresponded, and are wound between each adjacent two telescopic mast 4 wired
Circle winding 6 is provided with lens assembly mounting plate 7 at the top of four telescopic masts 4, and the bottom plate 5 is movable to be located in mounting box 1,
Lens assembly mounting plate 7 is located at the top of 1 upper surface of mounting box, and fixed mechanism and movable device can be fixed on by being designed in this way
Together, it avoids fixed mechanism and movable device from falling off, significantly improves the reliability and stability of voice coil motor.On mounting box 1
End face includes the outer box 8 of lower ending opening, is provided with an elastic slice 9, elastic slice 9 and outer box 8 in the bottom end of 8 four sides of outer box
Four sides between angle be less than or equal to 90 degree, the distance between elastic slice end and four sides of outer box are greater than outer box four
The distance between side and four sides of mounting box, outer box 8 can be fixed together by elastic slice and mounting box 1, installed
It after bottom plate 5, then will install on box cover 1, be easily installed.Four telescopic masts 4 include hollow female column 12 and are sleeved on female column 12
Interior sub- column 13；It is provided with a notch through 12 outer wall of female column on the outer wall of female column 12, is set on the top of female 12 outer wall of column
It is equipped with external screw thread and tapped end cap corresponding with external screw thread, sub- column 13 is movable to pass through end cap；It, can by external screw thread
To adjust the height between sub- column 13 and female column 12, make the present invention that can be applicable in the lens assembly of each stroke.Four telescopic masts 4
Top be provided with installation land, the telescopic mast on land is installed and is provided with external screw thread, is arranged on lens assembly mounting plate 7
There is mounting hole corresponding with four telescopic masts 4, lens assembly mounting plate 7 is placed in installation land by mounting hole, and is led to
Four tapped nuts are crossed to fix.By installing land, can be applicable in different at any time with changing lens assembly mounting plate 7
Lens assembly, versatility are stronger.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (7)
1. a kind of voice coil motor includes movable device and fixed mechanism, it is characterised in that: the fixed mechanism include it is upper,
Seal mounting box for lower end surface, and four sides of mounting box are mounted on one block of magnet, is provided on the upper surface of mounting box
Four through-holes；Movable device includes bottom plate and four telescopic masts, and four telescopic masts and four through-holes correspond, per adjacent two
It is wound with coil winding between a telescopic mast, lens assembly mounting plate is provided at the top of four telescopic masts, the bottom plate is living
Dynamic is located in mounting box, and lens assembly mounting plate is located at the top of mounting box upper surface；
The mounting box upper surface passes through magnetic absorption in four side top end faces of mounting box；
The mounting box upper surface includes the outer box of lower ending opening, is provided with a bullet in the bottom end of four sides of outer box
Angle between four sides of piece, elastic slice and outer box is less than or equal to 90 degree, between four sides in elastic slice end and outer box away from
From greater than the distance between four sides of outer box and four sides of mounting box.
2. voice coil motor as described in claim 1, it is characterised in that: four telescopic masts include the first sub- column and
The upper/lower terminal of two sub- columns, the first sub- column and the second sub- column is fixed together by connecting plate, in the first sub- column and the second son
There is gap between column.
3. voice coil motor as claimed in claim 2, it is characterised in that: be provided with one between the sub- column of adjacent two telescopic masts
Group coil winding.
4. voice coil motor as described in claim 1, it is characterised in that: four telescopic masts include hollow female column and set
Sub- column in female column.
5. voice coil motor as claimed in claim 4, it is characterised in that: be provided with one on the outer wall of mother's column through female column
The notch of outer wall is provided with external screw thread and tapped end cap corresponding with external screw thread, sub- column on the top of female column outer wall
It is movable to pass through end cap.
6. voice coil motor as claimed in claim 5, it is characterised in that: the inner wall of mother's column is provided with internal screw thread, sub- column
Corresponding external screw thread is provided on outer wall.
7. voice coil motor as claimed in claim 6, it is characterised in that: be provided with mounting ring at the top of four telescopic masts
Platform installs the telescopic mast on land and is provided with external screw thread, is provided on lens assembly mounting plate corresponding with four telescopic masts
Mounting hole, lens assembly mounting plate is placed in installation land by mounting hole, and solid by four tapped nuts
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710475968.3A CN107147271B (en) | 2017-06-21 | 2017-06-21 | A kind of voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710475968.3A CN107147271B (en) | 2017-06-21 | 2017-06-21 | A kind of voice coil motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107147271A CN107147271A (en) | 2017-09-08 |
| CN107147271B true CN107147271B (en) | 2019-07-23 |
Family
ID=59782286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710475968.3A Active CN107147271B (en) | 2017-06-21 | 2017-06-21 | A kind of voice coil motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN107147271B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114244065A (en) * | 2021-12-03 | 2022-03-25 | 北京辰阳自动化科技有限公司 | Voice coil motor and flexible vibration dish |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006042408A (en) * | 2004-07-22 | 2006-02-09 | Canon Inc | Linear actuator and optical instrument |
| US20070097530A1 (en) * | 2005-11-03 | 2007-05-03 | Industrial Technology Research Institute | Optical devices |
| CN206133094U (en) * | 2016-09-30 | 2017-04-26 | 东莞佩斯讯光电技术有限公司 | Put formula optical anti -vibration voice coil motor among ultra -thin traverse axis |
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2017
- 2017-06-21 CN CN201710475968.3A patent/CN107147271B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107147271A (en) | 2017-09-08 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190628 Address after: 226100 Nanjing Road 78, Sijia Town, Haimen City, Nantong City, Jiangsu Province Applicant after: Baojia Intelligent Technology (Nantong) Co., Ltd. Address before: 401329 Fengsheng Road, Jiulongpo District, Chongqing Applicant before: Chongqing Teng Yixing Precision Electronics Co. Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220322 Address after: 226100 No. 10, Ruijiang Road, Sanxing Town, Haimen District, Nantong City, Jiangsu Province Patentee after: Jiangsu haston Hydraulic Co.,Ltd. Address before: 226100 Nanjing Road 78, Sijia Town, Haimen City, Nantong City, Jiangsu Province Patentee before: Baojia Intelligent Technology (Nantong) Co.,Ltd. |
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| TR01 | Transfer of patent right |