CN103532334A - Limited-angle voice coil motor capable of allowing rotor to rotate at 360 degrees - Google Patents
Limited-angle voice coil motor capable of allowing rotor to rotate at 360 degrees Download PDFInfo
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- CN103532334A CN103532334A CN201310543865.8A CN201310543865A CN103532334A CN 103532334 A CN103532334 A CN 103532334A CN 201310543865 A CN201310543865 A CN 201310543865A CN 103532334 A CN103532334 A CN 103532334A
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Abstract
The invention provides a limited-angle voice coil motor capable of allowing a rotor to rotate at 360 degrees, and belongs to the technical field of voice coil motors. A stator part in the limited-angle voice coil motor adopts a horizontal n-shaped structure and adopts a dual-magnetic-steel ambipolar axial magnetic structure, a rotor part is arranged in the stator part, the rotor part comprises an aluminum alloy framework and a rotor coil, the rotor coil is arranged on the aluminum alloy framework, and the rotor coil adopts a fan-shaped disc winding structure and a single winding form. The limited-angle voice coil motor is structurally characterized in that the axial stator magnetic structure and the fan-shaped disc rotor winding structure are adopted, and a special stator yoke assembly structure is adopted, so that the stator part forms the horizontal n-shaped structure, and the rotor part is not limited mechanically at all in the circumferential direction and can rotate continuously at 360 degrees along with the axis in power failure, as a result, the defect that the rotor of a common limited-angle torquer can only swing in a reciprocating manner within a certain angle range is overcome, and the requirement of special equipment can be completely met.
Description
Technical field
The present invention relates to a kind of finite angle voice coil motor that is suitable for mover 360 degree rotations, belong to voice coil motor technical field.
Background technology
At aerospace field, finite angle load is carried out to elaborate servo driving, voice coil motor is topmost a kind of driver element.Usually, for loss of weight, also, in order to adapt to the design feature of voice coil motor, during design, the mover of voice coil motor can only rotate in limited range.For some special equipment, require rotating part can carry out continuous multipurpose rotary and scan, can after determining target zone, carry out accurate control among a small circle again.Therefore, the voice coil motor mover of drive part can not have mechanical constraint in direction of rotation.Existing voice coil motor structure all can not meet this requirement, and all can not realize this function in current product.
Summary of the invention
The object of this invention is to provide a kind of in energising, can reciprocating motion in certain angle range, meet the accurate requirement of controlling; Cold time, its mover can rotate freely within the scope of 360 degree, meets a kind of finite angle voice coil motor that is suitable for mover 360 degree rotations of device scan requirement.
The object of the invention is to be achieved through the following technical solutions:
A kind of finite angle voice coil motor that is suitable for mover 360 degree rotations, comprise: stator component and mover component, described stator component is the П shape structure of falling, stator component adopts two magnet steel, ambipolar axial magnetic circuit structure, described mover component is arranged in stator component, and described mover component comprises aluminum alloy framework and mover coil, and mover coil is arranged on aluminum alloy framework, described mover coil adopts fan-shaped disc type winding construction, simplex winding form.
Design feature of the present invention is to adopt axial stator magnetic circuit and fan-shaped disc type mover winding, and adopted special stator yoke package assembly, make stator component form " П " type structure, mover component is not subject to any mechanical constraint in a circumferential direction, in the time of no power, can do 360 degree continuous rotations along with axle system, overcome common limited angle torque device mover can only be within the scope of certain angle the shortcoming of reciprocally swinging, can meet the requirement of special installation completely.The present invention is applicable to drive the light-duty load of smaller finite angle, and peak torque is generally not more than 1Nm, within the scope of finite angle generally positive and negative 12 degree in.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention is suitable for the finite angle voice coil motor mover coil of mover 360 degree rotations;
Fig. 2 is the stator component of finite angle voice coil motor and the position relationship structural representation of mover component that the present invention is suitable for mover 360 degree rotations;
Fig. 3 is the profile schematic diagram that the present invention is suitable for the finite angle voice coil motor of mover 360 degree rotations.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail: the present embodiment is implemented take technical solution of the present invention under prerequisite, provided detailed execution mode, but protection scope of the present invention is not limited to following embodiment.
As depicted in figs. 1 and 2, a kind of finite angle voice coil motor that is suitable for mover 360 degree rotations that the present embodiment is related, comprise: stator component 1 and mover component 2, the П shape structure of described stator component 1 for falling, stator component 1 adopts two magnet steel, ambipolar axial magnetic circuit structure, described mover component 2 is arranged in stator component 1, described mover component 2 comprises aluminum alloy framework 2-1 and mover coil 2-2, mover coil 2-2 is arranged on aluminum alloy framework 2-1, described mover coil 2-2 adopts fan-shaped disc type winding construction, simplex winding form.
Described stator component 1 is provided with installation sheet 1-1, and installation sheet 1-1 is provided with installing hole 1-2.
Between described mover coil 2-2 and aluminum alloy framework 2-1, be cast with epoxy resin.
One of key technology of the present invention, is to adopt packaging structure, is divided into the stator component of magnet steel and mover component two parts of belt coil.Two parts only have electromagnetic field couples, mechanically without connecting.
Two of key technology of the present invention, is that stator component adopts two magnet steel, ambipolar axial magnetic circuit structure, but not the radial magnetic circuit structure of conventional motors.
Three of key technology of the present invention, is that mover coil adopts fan-shaped winding construction, simplex winding form.
Four of key technology of the present invention, is that stator component adopts " П " shape structure, and mover component can be rotated freely within the scope of 360 degree, is not subject to any mechanical constraint.
Basic principle of the present invention is described as follows:
(1), in stator component, magnet steel adopts axial charging mode, sector structure.Magnet steel forms closed-loop path by upper and lower cover plates and middle air gap.Two magnet steel 1-3 polarity on same cover plate are different, and upper and lower two relative magnet steel 1-3 polarity are also different, thereby formed axial magnetic circuit.
(2) in mover component, mover coil adopts fan-shaped symmetrical structure, and two side portions is effective edge, is end up and down.The effective edge of both sides aligns with pole center line respectively, can guarantee like this symmetry of positive and negative angle range internal torque.In addition, for weight reduction is gained in strength, mover component adopts aluminum alloy framework to support, and uses poured with epoxy resin moulding.The shape of mover coil as shown in Figure 1.
(3) in order to realize rotating freely of mover, the two cover plates up and down of stator component adopts the support of magnetic conduction, realizes assembling at circular arc top.The effect of the support of magnetic conduction, being also to increase air gap flux density, and then increases the torque coefficient of motor.From the side, the position relationship of stator component and mover component as shown in Figure 2.
(4) in order to adapt to miniaturization requirement, stator component on the cover board assembles in design and installation hole; Mover component, with reference to pivot, is installed with end pattern.
The above; it is only preferably embodiment of the present invention; these embodiments are all the different implementations based under general idea of the present invention; and protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (3)
1. one kind is suitable for the finite angle voice coil motor that mover 360 degree rotate, it is characterized in that, comprise: stator component (1) and mover component (2), the П shape structure of described stator component (1) for falling, stator component (1) adopts two magnet steel, ambipolar axial magnetic circuit structure, described mover component (2) is arranged in stator component (1), described mover component (2) comprises aluminum alloy framework (2-1) and mover coil (2-2), mover coil (2-2) is arranged on aluminum alloy framework (2-1), described mover coil (2-2) adopts fan-shaped disc type winding construction, simplex winding form.
2. the finite angle voice coil motor that is suitable for mover 360 degree rotations according to claim 1, is characterized in that, described stator component (1) is provided with installation sheet (1-1), and installation sheet (1-1) is provided with installing hole (1-2).
3. the finite angle voice coil motor that is suitable for mover 360 degree rotations according to claim 1, is characterized in that, between described mover coil (2-2) and aluminum alloy framework (2-1), is cast with epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543865.8A CN103532334A (en) | 2013-11-06 | 2013-11-06 | Limited-angle voice coil motor capable of allowing rotor to rotate at 360 degrees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543865.8A CN103532334A (en) | 2013-11-06 | 2013-11-06 | Limited-angle voice coil motor capable of allowing rotor to rotate at 360 degrees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103532334A true CN103532334A (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310543865.8A Pending CN103532334A (en) | 2013-11-06 | 2013-11-06 | Limited-angle voice coil motor capable of allowing rotor to rotate at 360 degrees |
Country Status (1)
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| CN (1) | CN103532334A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006939A (en) * | 2014-04-16 | 2015-10-28 | 上海微电子装备有限公司 | Voice coil motor |
| CN105827096A (en) * | 2016-05-13 | 2016-08-03 | 中南大学 | Voice coil motor |
| CN106160323A (en) * | 2016-06-23 | 2016-11-23 | 北京空间机电研究所 | A kind of high-precision finite angle formula axle system device |
| WO2019109545A1 (en) * | 2017-12-05 | 2019-06-13 | 深圳市兆威机电股份有限公司 | Voice coil motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1255762A (en) * | 1998-11-27 | 2000-06-07 | 东京零件工业株式会社 | Flat coreless vibrating electricmachine with printed circuit converter |
| CN1768464A (en) * | 2003-03-31 | 2006-05-03 | Tdk株式会社 | Permanent magnet member for voice coil motor and voice coil motor |
| KR100717105B1 (en) * | 2005-03-24 | 2007-05-11 | 바스텍 인터내셔널 코포레이션 | Voice coil motor apparatus |
| CN102202600A (en) * | 2008-10-31 | 2011-09-28 | 三美电机株式会社 | Actuator and electric toothbrush using the same |
-
2013
- 2013-11-06 CN CN201310543865.8A patent/CN103532334A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1255762A (en) * | 1998-11-27 | 2000-06-07 | 东京零件工业株式会社 | Flat coreless vibrating electricmachine with printed circuit converter |
| CN1768464A (en) * | 2003-03-31 | 2006-05-03 | Tdk株式会社 | Permanent magnet member for voice coil motor and voice coil motor |
| KR100717105B1 (en) * | 2005-03-24 | 2007-05-11 | 바스텍 인터내셔널 코포레이션 | Voice coil motor apparatus |
| CN102202600A (en) * | 2008-10-31 | 2011-09-28 | 三美电机株式会社 | Actuator and electric toothbrush using the same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006939A (en) * | 2014-04-16 | 2015-10-28 | 上海微电子装备有限公司 | Voice coil motor |
| CN105006939B (en) * | 2014-04-16 | 2018-09-18 | 上海微电子装备（集团）股份有限公司 | A kind of voice coil motor |
| CN105827096A (en) * | 2016-05-13 | 2016-08-03 | 中南大学 | Voice coil motor |
| CN105827096B (en) * | 2016-05-13 | 2018-04-13 | 中南大学 | A kind of voice coil motor |
| CN106160323A (en) * | 2016-06-23 | 2016-11-23 | 北京空间机电研究所 | A kind of high-precision finite angle formula axle system device |
| CN106160323B (en) * | 2016-06-23 | 2018-06-01 | 北京空间机电研究所 | A kind of high-precision finite angle formula shafting device |
| WO2019109545A1 (en) * | 2017-12-05 | 2019-06-13 | 深圳市兆威机电股份有限公司 | Voice coil motor |
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Application publication date: 20140122 |