CN101807841A - Voice coil motor - Google Patents
Voice coil motor Download PDFInfo
- Publication number
- CN101807841A CN101807841A CN200910105369A CN200910105369A CN101807841A CN 101807841 A CN101807841 A CN 101807841A CN 200910105369 A CN200910105369 A CN 200910105369A CN 200910105369 A CN200910105369 A CN 200910105369A CN 101807841 A CN101807841 A CN 101807841A
- Authority
- CN
- China
- Prior art keywords
- stator
- motor
- mover
- voice coil
- coil motor
- 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.)
- Pending
Links
Images
Landscapes
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention relates to a voice coil motor, which comprises a mover and a stator, and is characterized in that the motor mover comprises at least two separate coils, and the two ends of the stator are open and form gap magnetic fields; the current in at least two separate coils of the mover is respectively coupled with at least one group of two gap magnetic fields at the two ends of the stator to generate a thrust doubling the magnetic field at one end. Heat generated by the motor coils can dissipate in the outside air through air flow in open air gaps, thereby providing the motor with stable performance to realize high high-speed and high-precision motion control for semiconductor equipment.
Description
Technical field
The present invention is a kind of voice coil motor, provides fixed magnetic field by stator, behind the feeding single-phase DC electric current, produces a kind of drive unit with respect to the thrust of stator in mover.The present invention relates to a kind of voice coil motor, be particularly useful for high thrust, the high frequency response motor that uses under the occasion of little stroke.
Background technology
Voice coil motor is the straight-line motor that is made of stator and mover.Usually stator becomes fixedly magnetic loop by the cylinder-shaped magnet of axial installation with a coaxial with it iron yoke and outside iron yoke piece, gap between the coaxial iron yoke of outside iron yoke and center forms fixed magnetic field, and the effect that is subjected to gap magnetic field behind the coil electricity produces axial thrust.This design can influence the stability of the thrust of motor because the stator interior space is sealed, and the heat that coil produces can not in time distribute, and can cause the temperature rise of stator, and gap magnetic field is caused distortion when serious.Owing to can not in time be dispersed in the outside air, can cause coil heating simultaneously, reduce efficiency of motor, long-time running also can cause coil to damage.
In the parts of semiconductor packaging device, need the good little stroke voice coil motor of high thrust of design radiating effect to satisfy the demand of high-speed, high precision.
Summary of the invention
The present invention becomes the both ends open formula with the stator design of voice coil motor, utilizes the motion of motor self to make gap inner air forced convertion, thereby the heat that coil is produced is dispersed in the surrounding air.This design has reduced coil because the damage that temperature rise causes has improved the stability in magnetic field, thereby improved efficiency of motor and performance.Simultaneously, with respect to traditional voice coil motor, electric mover coil turn of the present invention reduces, thereby has reduced caloric value.
But described electric mover contains opposite coil of coiled direction of winding of two series connection, and the part that connects between the coil is the part of skeleton.
A coaxial iron yoke respectively is equipped with at the two ends of described motor stator centring magnet, and the skeleton of fixed center iron yoke and magnet only at one end is set.
The technique effect that the present invention reached is: improved the heating and the heat dissipating state of voice coil motor, improved the stability of motor performance and the fail safe of long-time running.
Description of drawings
The present invention will be further described below in conjunction with accompanying drawing and example.
Fig. 1 is described to be voice coil motor mover of the present invention and stator combination profile.
Fig. 2 is described to be voice coil motor mover structure chart of the present invention.
Fig. 3 is described to be voice coil motor stator structure figure of the present invention.
Fig. 4 is described to be the right view of voice coil motor stator Fig. 3 of the present invention.
Fig. 5 is described to be traditional voice coil motor stator structure figure
Fig. 6 is described to be the installation diagram of voice coil motor of the present invention
Among the figure: 1. mover coil skeleton; 2. mover coil 1; 3. mover coil 2; 4. center iron yoke 1; 5. outside iron yoke; 6. centring magnet; 7. center iron yoke 2; 8. the fixing skeleton of center iron yoke
Embodiment
The execution mode of voice coil motor of the present invention is described below in conjunction with accompanying drawing.
As shown in Figure 2, the electric mover coil of this invention is made up of two mover coils 1 and 2 that separated by mover coil skeleton 1.The opposite electric current of feeding direction in this coil combination.Two axle heads of motor stator magnet in this invention respectively have one and the coaxial center iron yoke 1 and 2 of magnet, they and outside iron yoke 5 have been formed two magnetic loops jointly, respectively form a gap magnetic field at two ends, because center iron yoke fixedly skeleton 8 is nonmagnetic substances, so two gap magnetic fields at stator two ends are equal and opposite in directions, opposite polarity two magnetic fields.Can only form a gap magnetic field in traditional as shown in Figure 5 voice coil motor structure.
As shown in Figure 6, when motor is done little stroke motion near as shown in the figure, the electric current of opposite sign but equal magnitude and stator two ends equal and opposite in direction in the mover coil 1 and 2, opposite polarity two gap magnetic fields coupling just can produce the double thrust that produces in an independent coil.Simultaneously, with respect to traditional design, a part of coil is replaced by skeleton in the middle of the mover coil, and therefore caloric value reduces when identical currents flows through.
As shown in Figure 3 and Figure 4, motor stator center iron yoke and magnet are to be fixed with respect to outside iron yoke by skeleton structure among the present invention, and two ends all are open architectures, traditional as shown in Figure 5 voice coil motor structure, and stator is end sealing.The cross-ventilation that the heat that produces for motor of the present invention just can produce by the relative motion of mover and stator is dispersed in the ambient atmosphere.Thereby improved motor properties.
Claims (4)
1. a voice coil motor is made up of mover and stator.It is characterized in that: mover has at least by the coil of one group of two separation to be formed.Stator is the both ends open formula, and at least by one group two center iron yokes, coaxial magnet and outside iron yoke are formed.
2. voice coil motor is characterized in that described in the claim 1: the coil of at least one group of two separation is that a coiling of series connection forms in the mover.
3. voice coil motor is characterized in that described in the claim 1: at least one group two center iron yokes in the stator, coaxial with it magnet and outside magnet constitute the gap magnetic field at two ends jointly.
4. the voice coil motor stator described in the claim 3 is characterized in that: two centers of stator iron yoke and magnet form both ends open formula structure by non magnetic skeleton and outside iron yoke relative fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910105369A CN101807841A (en) | 2009-02-17 | 2009-02-17 | Voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910105369A CN101807841A (en) | 2009-02-17 | 2009-02-17 | Voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101807841A true CN101807841A (en) | 2010-08-18 |
Family
ID=42609488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910105369A Pending CN101807841A (en) | 2009-02-17 | 2009-02-17 | Voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101807841A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899192A (en) * | 2015-12-18 | 2017-06-27 | 财团法人工业技术研究院 | Voice coil motor |
| CN107678121A (en) * | 2012-05-09 | 2018-02-09 | Lg伊诺特有限公司 | Voice coil motor |
| CN110086320A (en) * | 2019-06-04 | 2019-08-02 | 昆山同茂电子有限公司 | A kind of multi-coil combination small size high thrust structure voice coil motor |
| CN111277089A (en) * | 2020-02-25 | 2020-06-12 | 天津大学 | Motor tool capable of keeping voice coil motor concentrically mounted |
| CN111817525A (en) * | 2020-07-31 | 2020-10-23 | 歌尔股份有限公司 | Excited vibration module and electronic terminal |
| CN111817526A (en) * | 2020-07-31 | 2020-10-23 | 歌尔股份有限公司 | Exciter and electronic terminal |
| CN112072890A (en) * | 2020-10-04 | 2020-12-11 | 西安航天动力测控技术研究所 | Voice coil motor structure with ultra-small volume |
-
2009
- 2009-02-17 CN CN200910105369A patent/CN101807841A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678121B (en) * | 2012-05-09 | 2021-08-03 | Lg伊诺特有限公司 | Voice coil motor |
| CN107678121A (en) * | 2012-05-09 | 2018-02-09 | Lg伊诺特有限公司 | Voice coil motor |
| US11906809B2 (en) | 2012-05-09 | 2024-02-20 | Lg Innotek Co., Ltd. | Voice coil motor |
| US11372194B2 (en) | 2012-05-09 | 2022-06-28 | Lg Innotek Co., Ltd. | Voice coil motor |
| US10816751B2 (en) | 2012-05-09 | 2020-10-27 | Lg Innotek, Co., Ltd. | Voice coil motor |
| CN106899192A (en) * | 2015-12-18 | 2017-06-27 | 财团法人工业技术研究院 | Voice coil motor |
| CN110086320A (en) * | 2019-06-04 | 2019-08-02 | 昆山同茂电子有限公司 | A kind of multi-coil combination small size high thrust structure voice coil motor |
| CN111277089A (en) * | 2020-02-25 | 2020-06-12 | 天津大学 | Motor tool capable of keeping voice coil motor concentrically mounted |
| CN111817525B (en) * | 2020-07-31 | 2021-10-08 | 歌尔股份有限公司 | Excited vibration module and electronic terminal |
| CN111817526B (en) * | 2020-07-31 | 2021-10-26 | 歌尔股份有限公司 | Exciter and electronic terminal |
| CN111817526A (en) * | 2020-07-31 | 2020-10-23 | 歌尔股份有限公司 | Exciter and electronic terminal |
| CN111817525A (en) * | 2020-07-31 | 2020-10-23 | 歌尔股份有限公司 | Excited vibration module and electronic terminal |
| CN112072890A (en) * | 2020-10-04 | 2020-12-11 | 西安航天动力测控技术研究所 | Voice coil motor structure with ultra-small volume |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101807841A (en) | Voice coil motor | |
| JP6795945B2 (en) | A compressor with a linear motor and a linear motor | |
| US20100060393A1 (en) | Electromagnetic linear actuator | |
| US11758331B2 (en) | Balanced vibration system | |
| US20130106204A1 (en) | Electric machine with linear mover | |
| CN104976263B (en) | A kind of symmetric form electromagnetic actuator | |
| WO2012026685A3 (en) | Linear motor | |
| CN101710777A (en) | Energy-saving resonance type electric actuator | |
| CN108512392B (en) | Cylindrical transverse flux switch reluctance linear motor with modular stator | |
| US20180062491A1 (en) | Interstructural and Inertial Actuator | |
| CN110855118A (en) | Cylindrical voice coil motor magnetic gravity compensator, voice coil motor and voice coil motor assembly | |
| JP2016534858A (en) | Mechanical resonance system | |
| HUE026324T2 (en) | Electric machine having a low-mass design in magnetically active parts | |
| TW201136107A (en) | Linear motor | |
| WO2018082508A1 (en) | Permanent magnet linear motor | |
| CN105207431A (en) | Double-magnet double-rotor permanent magnet motor for flywheel | |
| CN101527494A (en) | Flat plate type linear motor | |
| CN109787448A (en) | A kind of primary permanent magnet linear motor actuator | |
| US9472330B2 (en) | High speed solenoid | |
| WO2020015549A1 (en) | Linear electrical mashine | |
| CN102035314A (en) | Tooling for assembling stator and rotor of permanent magnet motor | |
| CN109412370A (en) | Magnetic flux suitching type Linear-rotation permanent-magnet actuator | |
| CN211209558U (en) | Cylindrical voice coil motor magnetic gravity compensator, voice coil motor and voice coil motor assembly | |
| CN111416496B (en) | Moving-coil electromagnetic linear actuator based on composite Halbach array | |
| CN101841223A (en) | Armature of canned linear motor and canned linear motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Yu Xinlu Document name: Notification of Passing Preliminary Examination of the Application for Invention Addressee: Yu Xinlu Document name: Resume right request approval decision |
|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Yu Xinlu Document name: Notification of Publication and of Entering the Substantive Examination Stage of the Application for Invention |
|
| DD01 | Delivery of document by public notice |
Addressee: Yu Xinlu Document name: Notification of Passing Examination on Formalities |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100818 |