CN102723841B - Flat stepping motor - Google Patents

Flat stepping motor Download PDF

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Publication number
CN102723841B
CN102723841B CN 201210199009 CN201210199009A CN102723841B CN 102723841 B CN102723841 B CN 102723841B CN 201210199009 CN201210199009 CN 201210199009 CN 201210199009 A CN201210199009 A CN 201210199009A CN 102723841 B CN102723841 B CN 102723841B
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end cap
rotor
magnetic
rear end
magnet steel
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CN102723841A (en
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姜志凌
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Guilin Electrical Equipment Scientific Research Institute Co Ltd
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Guilin Electrical Equipment Scientific Research Institute Co Ltd
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Abstract

The invention discloses a flat stepping motor. In a motor, N same magnetic steels are uniformly fixed and embedded on a disc-shaped turntable. The magnetic fields of the magnetic steels are in the same direction. An output shaft is fixed at the center of the turntable, and n same electromagnetic seats are uniformly fixed in a front end cover shell. An electromagnetic coil is fixed on the outer edge of the electromagnetic seat, and m magnetic salient poles identical to the magnetic steels are fixed in each electromagnetic seat. The angle of the center line of m magnetic salient poles in adjacent electromagnetic seats deviating from the center line of the electromagnetic seats is 360 degrees/nN. The rear end cover is the same as the front end cover. The output shaft is rotatably mounted on the front and rear end covers. The magnetic salient poles of the two end covers are opposite in a one-to-one manner, and a rotor is clamped between the two. The opposite electromagnetic coils of the front and rear end covers are connected in parallel or series and then connected with an output pole of the controller. The electromagnetic field of the coil and the magnetic field of the magnetic steel are in the same direction. The controller outputs pulses to the coils sequentially, and the rotor is pulled by the electromagnetic force to rotate. Since the ratio of the axial length to the diameter can reach 1:3, the flat stepping motor disclosed by the invention is convenient to mount; and moreover, the flat stepping motor has the advantages of good torque property, small rotational inertia and stable operation, and is convenient to control.

Description

Flat stepping motor
(1) technical field
The present invention relates to stepping motor, particularly a kind of flat stepping motor.
(2) background technology
Stepping motor is a kind of induction machine, is the open loop control step electrical machine element with the angular displacement of electric impulse signal transformation.In non-overload situation, the rotating speed of stepping motor, the frequency that only depends on pulse signal and the umber of pulse that stop, and be not subjected to the impact of load variations.Therefore to be widely used as electroporation be the actuator of angular displacement to stepping motor.Stepping motor mainly is divided into three kinds at present: excitation type, reaction equation and hybrid.The excitation type stepping motor is generally two-phase, and torque and volume are done little, and step angle is 7.5 degree or 15 degree.Reaction stepping motor is generally three-phase, can realize large torque output, and step angle is generally 1.5 degree, but noise and vibration is very large, is progressively eliminated.Composite stepper motor is the advantage of having mixed excitation type and reaction equation, has the advantages such as efficient height, load capability be strong, be divided into two-phase with five mutually, what composite stepper motor was present is most widely used.
Its shortcoming is that axial dimension is larger, and the support shell of common stepping motor and the profile of rotor all are elongated cylinder, and namely axial dimension can only be used for rather spacious place, space greater than diameter.In the mechanism of compactnesses such as automobile electric car-window driving, computer hard drive, stepping motor is difficult to use.Along with the miniaturization of each class of electronic devices, further requirement has been proposed all for the reduction of thickness, volume, inertia and the cost of stepping motor.
(3) summary of the invention
The purpose of this invention is to provide a kind of flat stepping motor, a plurality of magnet steel evenly distribute on its rotor circumference, on the inboard disc of forward and backward end cap electromagnetism seat, solenoid and magnetic salient pole are installed then, form a plurality of electromagnetic pole groups, the solenoid of each electromagnetic pole group is switched on successively, generate an electromagnetic field, the pulling rotor rotates.Motor shaft is to size reduction, and overall volume dwindles.
The flat stepping motor of the present invention design comprises rotor, output shaft and forward and backward end cap, and rotor center fixed installation output shaft, forward and backward end cap are before and after rotor and the side-closed rotor, and output shaft forward and backward is rotatably installed on respectively forward and backward end cap.
Rotor of the present invention comprises rotating disk and magnet steel, and rotating disk is disc, is fixing setting-in N magnet steel that shape size is identical symmetrically and evenly take the center on the disc face of rotating disk, and N is 4~180 integer.Magnet steel is trapezoidal or fan-shaped.The magnetic direction of each magnet steel is all parallel with the output shaft axis, and polarity is consistent, and namely the same pole of all magnet steel is all towards same direction.Each magnet steel surface on the rotating disk the same face all is in equal with the rotating disk card or is higher than on the plane of rotating disk card.The center of rotating disk is fixedly mounted with the output shaft vertical with its card.Rotating disk thickness is 1~25mm, and magnet steel is higher than rotating disk card 0~1mm.The distance of magnet steel inner edge and center of turntable is 1/3 to 1/2 of rotating disk radius.
Front end housing comprises front end housing shell, electromagnetism seat, solenoid and the magnetic salient pole of magnetic conduction, and the front end housing shell is the disk that the annular edge edge is arranged that matches with rotor, and front end housing shell inboard take at its center as the fixing electromagnetism seat of the individual identical magnetic conduction of n symmetrically and evenly, n=3~12.The electromagnetism seat is sector disk, and the angle between the adjacent electromagnetism seat side is 8 °~12 °.The solenoid inner edge matches with electromagnetism seat outer rim, and the solenoid suit also is fixed in electromagnetism seat outer rim, and the center line of solenoid is parallel with output shaft.The interior fixedly magnetic salient pole of m magnetic conduction of each electromagnetism seat.The number N of magnet steel 〉=mn+1.The magnetic salient pole is identical with the magnet steel shape size of rotor, and magnetic salient pole inner edge equates with the distance of center of turntable with the magnet steel inner edge with the distance at front end housing shell center; And also the spacing with magnet steel is identical for the spacing of the magnetic salient pole on o'clock same electromagnetism seat of m 〉=2.The top of solenoid is lower than or is equal in the surface of magnetic salient pole.Magnetic salient pole surface on the front end housing shell is in same plane.The angle of the clockwise skew of the center line of m magnetic salient pole in the adjacent clockwise next electromagnetism seat and the centreline space of electromagnetism seat is 360 °/nN.
The structure of rear end cap is identical with the structure size of front end housing, and identical electromagnetism seat, solenoid and magnetic salient pole are also arranged on the rear end cap shell.
In the better scheme, the magnet steel number N of rotor is 20~50, and the electromagnetism seat number n of forward and backward end cap is 4~7, and the magnetic salient pole number m in each electromagnetism seat is 3~10.
Output shaft is rotatably installed on the center of front end housing shell, rear end cap shell.Front end housing shell and/or rear end cap shell have centre bore, and output shaft the past end cap shell and/or rear end cap shell centre bore stretch out.
The center of described rotating disk is provided with axle sleeve, and the centre bore of axle sleeve is enclosed within on the output shaft, is tight fit between axle sleeve and the output shaft; The place ahead and rear, output shaft cover at rotor have bearing; The inboard center of front end housing shell and rear end cap shell is bearing pedestal, and 2 forward and backward bearings of output shaft are installed on respectively in the bearing pedestal of front end housing shell and rear end cap shell.
Front end housing shell and rear end cap shell are inboard relatively, rotor is in the cavity between the two, the magnetic salient pole of front end housing and rear end cap inboard is relative one by one, rotor is clipped between the two, keep the gap between the magnetic salient pole surface of rotor magnetic steel surface and forward and backward end cap, this gap is 0.1~1mm, relative two solenoids and connect or be connected in series on front end housing and the rear end cap, 2 relative electromagnetism seats, 2 solenoids and 2m interior magnetic salient pole thereof consist of an electromagnetic pole group that works alone, and namely this motor forms n electromagnetic pole group.Forward and backward end cap shell edge fastens, enclosed rotor space of living in.Front end housing shell and rear end cap shell respectively have equally distributed at least 3 installing holes that cooperatively interact, and screw is fixedly connected with front end housing shell and rear end cap shell by installing hole.The terminals of the solenoid of n electromagnetic pole group join to output stage with the n of electric machine controller respectively, and the electromagnetic field that each solenoid produces is identical with the rotor magnetic steel magnetic direction.
The n of electric machine controller exports pulse to each electromagnetic pole group successively to the control output stage, the electromagnetic field that one group of solenoid of energising produces is identical with the magnetic direction of rotor upper magnetic steel, and the magnetic field flow of a closed loop of magnetic conduction effect formation of electromagnetism seat, magnetic salient pole and rotor magnetic steel and forward and backward end cap by this electromagnetic pole group.When magnetic field the past, when flowing through in the electromagnetic pole group of rear end cap, must and be clipped on the magnet steel of the rotor between this electromagnetic pole group the shortest path of magnetic resistance from the magnetic salient pole on this electromagnetic pole group flows through, when being clipped in epitrochanterian magnet steel between this electromagnetic pole group and the magnetic salient pole on this electromagnetic pole group not fully to timing, electromagnetic field moves to the shortest direction of magnetic circuit with regard to hauling epitrochanterian magnet steel, until the magnetic salient pole that is clipped on epitrochanterian magnet steel between this electromagnetic pole group and this electromagnetic pole group aligns fully mutually, then the solenoid of this electromagnetic pole group outage, the solenoid of the electromagnetic pole group that its clockwise direction is adjacent is connected.The angle of the clockwise skew of the center line of the magnetic salient pole of a rear electromagnetic pole group and the centreline space of electromagnetism seat is 360 °/nN, so moment of electromagnetic pole group energising after last electromagnetic pole group outage, magnetic salient pole on the rear electromagnetic pole group and the epitrochanterian magnet steel that is clipped between the rear electromagnetic pole group differ 360 °/nN, when after after the electromagnetic pole group energising, epitrochanterian magnet steel after electromagnetic field just hauls between the electromagnetic pole group moves to the shortest direction of magnetic circuit, until the epitrochanterian magnet steel between the electromagnetic pole group and the magnetic salient pole on the rear electromagnetic pole group align after being clipped in, like this, rotor has just turned over the angle of 360 °/nN.After this electric machine controller is connected each electromagnetic pole group successively, and after n electromagnetic pole group one taken turns energising, rotor had just rotated the corner of 360 °/N.Under the continuous impulse action of electric machine controller, this stepping motor continuous operation.Electric machine controller changes the order of power supply, can change the rotation direction of motor, changes the frequency of pulse, just can change the rotating speed of motor.
The advantage of the flat stepping motor of the present invention is: 1, to have overcome existing stepping motor existing in the long shortcoming of axial dimension for disk rotor, and the ratio of its axial length and diameter reaches 1 to 3 even can be less, and what bulk was narrow also can install and use; 2, the solenoid that covers of front and back ends installs excitation winding additional in the both sides of rotor, makes motor improve torque characteristics and moment of inertia is little, be swift in response, improved simultaneously the smooth running performance; 3, electric machine controller is controlled rotation direction and the rotating speed of motor easily, has improved the control performance of motor, has widened range of application; 4, simplify electric machine structure, be easy to processing, reduced cost.
(4) description of drawings
Fig. 1 is the decomposition texture schematic diagram of this flat stepping motor embodiment.
Fig. 2 is the front end housing structural representation of this flat stepping motor embodiment.
Fig. 3 is the rotor decomposition texture schematic diagram of this flat stepping motor embodiment.
Fig. 4 is the package assembly schematic diagram of this flat stepping motor embodiment.
Mark among the figure: 1, front end housing, 1-1, front end housing shell, 1-2, solenoid, 1-3, magnetic salient pole, 1-4, electromagnetism seat, 1-5, bearing pedestal, 2, output shaft, 2-1, bearing, 3. rotor, 3-1, rotating disk, 3-2, magnet steel, 4, rear end cap, 4-1, rear end cap shell, 5, screw.
(5) embodiment
This flat stepping motor embodiment such as Fig. 1, shown in Figure 4 comprise front end housing 1, rotor 3, output shaft 2 and rear end cap 4.
Rotor structure comprises rotating disk 3-1 and magnet steel 3-2 as shown in Figure 3, and rotating disk 3-1 is disc, is the fixing identical magnet steel 3-2 of 31 shape sizes of setting-in symmetrically and evenly on the disc face of rotating disk 3-1 take the center.This routine magnet steel is fan-shaped.Rotating disk 3-2 thickness is 5mm, and the thickness of magnet steel 3-2 is 6mm.Take the center as having symmetrically and evenly 31 holes identical with magnet steel 3-2 shape size, the distance at the inner edge in hole and rotating disk 3-1 center is 1/2 of rotating disk radius on the card of rotating disk 3-1.Magnet steel 3-2 is embedded in the hole securely.The magnetic direction of each magnet steel 3-2 is all parallel with the output shaft axis, and polarity is consistent.Magnet steel 3-2 surface is higher than rotating disk 3-1 card 0.5mm, and the magnet steel 3-2 surface of the same face is in the same plane.The center of rotating disk 3-1 is provided with axle sleeve, and the centre bore of axle sleeve is enclosed within on the output shaft 2, is tight fit between axle sleeve and the output shaft 2.Output shaft 2 has bearing 2-1 at the place ahead, each cover of rear of rotor 3.
The structure of front end housing 1 as shown in Figure 2, the front end housing shell 1-1, electromagnetism seat 1-4, solenoid 1-2 and the magnetic salient pole 1-3 that comprise magnetic conduction, the disk that annular edge edge arranged of front end housing shell 1-1 for matching with rotor 3, front end housing shell 1-1 inboard is take its center as being provided with symmetrically and evenly the electromagnetism seat 1-4 of 5 identical magnetic conductions.Electromagnetism seat 1-4 is sector disk, and the angle between the adjacent electromagnetism seat 1-4 side is 9.6 °.Solenoid 1-2 inner edge matches, is set with electromagnetism seat 1-4 outer rim and is fixed in electromagnetism seat 1-4 outer rim, and the center line of solenoid 1-2 is parallel with output shaft 2.Fix the magnetic salient pole 1-3 of 5 magnetic conductions in each electromagnetism seat.Magnetic salient pole 1-3 is identical with the magnet steel 3-2 shape size of rotor 3, magnetic salient pole 1-3 inner edge equates with the distance of magnet steel 3-2 inner edge with rotating disk 3-1 center that with the distance at front end housing shell 1-1 center also the spacing with magnet steel 3-2 is identical for the spacing of the magnetic salient pole 1-3 in the same electromagnetism seat 1-4.Solenoid 1-2 top is lower than the surperficial 0.1mm of magnetic salient pole 1-3.The magnetic salient pole 1-3 surface of front end housing shell 1-1 inboard is in same plane.The angle of the clockwise skew of the center line of 5 magnetic salient pole 1-3 among the adjacent clockwise next electromagnetism seat 1-4 and the centreline space of electromagnetism seat 1-4 be 360 °/(31 * 5).
The inboard center of front end housing shell 1-1 is bearing pedestal 1-5.
The structure of rear end cap 4 is identical with the structure size of front end housing 1, and identical electromagnetism seat 1-4, solenoid 1-2, magnetic salient pole 1-3 and bearing pedestal 1-5 are also arranged on the rear end cap shell 4-1.
Such as Fig. 1, shown in Figure 4, the forward and backward bearing 2-1 of output shaft 2 is installed on respectively in the bearing pedestal 1-5 of front end housing 1, rear end cap 4.This routine front end housing shell 1-1 has centre bore, and output shaft 2 in the past end cap shell 1-1 centre bore stretches out.Front end housing shell 1-1 and rear end cap shell 4-1 are inboard relatively, rotor 3 is in the cavity between the two, and the magnetic salient pole 1-3 of front end housing 1 is relative one by one with the magnetic salient pole 1-3 of rear end cap 4, and rotor 3 is clipped between the two.Gap between the magnetic salient pole 1-3 surface of the magnet steel 3-2 surface of rotor 3 and front end housing 1, rear end cap 4 is 0.3mm, relative two solenoid 1-2 and connect or be connected in series on front end housing 1 and the rear end cap 2,2 relative electromagnetism seat 1-4,2 solenoid 1-2 and 2 * 5 interior magnetic salient pole 1-3 thereof consist of an electromagnetic pole group that works alone, and namely this motor forms 5 electromagnetic pole groups.Front end housing shell 1-1, rear end cap shell 4-1 edge fasten, enclosed rotor 3 spaces of living in.It is installing hole that front end housing shell 1-1 has equally distributed 4 screws, it is installing hole that rear end cap shell 4-1 has equally distributed 4 through holes that cooperate with front end housing shell 1-1, screw 5 is fixedly connected with front end housing shell 1-1 and rear end cap shell 4-1 by the screw of the through hole screw-in front end housing shell 1-1 of rear end cap shell 4-1.The terminals of 5 electromagnetic pole groups join with 5 pairs of output stages of electric machine controller respectively.The electromagnetic field direction that produces during each solenoid 1-2 energising is consistent with magnet steel 3-2 magnetic direction.
The electromagnetic pole group that five work alone in the present embodiment is called A group, B group, C group, D group, E group.Five pairs of output stages of electric machine controller are successively to each electromagnetic pole group output pulse, as, connect first the A group, when the electromagnetic field that forms after the solenoid 1-3 energising of A group flows through from the electromagnetism seat 1-4 of front end housing 1 and rear end cap 4, must flow through from the magnetic salient pole 1-3 on the A group and the upper the shortest path of magnetic resistance of magnet steel 3-2 that is clipped on the rotor 3 between the A group, when the magnetic salient pole 1-4 that is clipped in magnet steel 3-2 and A group between the A group magnetic salient pole 1-3 less than fully to timing, the magnet steel 3-2 that electromagnetic field just hauls rotor 3 moves to the shortest direction of magnetic circuit, until be clipped in the magnet steel 3-2 of the rotor 3 between the A group and the magnetic salient pole 1-4 on the A group aligns fully.The angle that the magnet steel 3-2 that is clipped in the rotor 3 between the B group this moment and the magnetic salient pole 1-4 that B organizes have differed be 360 °/(31 * 5), afterwards A group solenoid 1-3 outage, B group solenoid 1-3 connects, the electromagnetic field of B group solenoid 1-3 just hauls the magnet steel 3-2 that is clipped in the rotor 3 between the B group and moves to the shortest direction of magnetic circuit, until be clipped in the magnet steel 3-2 of the rotor 3 between the B group and the magnetic salient pole 1-4 of B group aligns, rotor 3 has just turned over again 360 °/(31 * 5) angle.And then connect the solenoid 1-3 that C organizes, D organizes, E organizes, and identical principle, when every group of solenoid 1-3 connected, rotor 3 and output shaft 2 all rotated 360 °/(31 * 5) angle.One of each group of process is taken turns and is switched on when getting back to the A group, and rotor 3 and output shaft 2 have just rotated 360 °/31 jiaos.Under the continuous impulse action of electric machine controller, the stepping motor continuous operation.Change the order of power supply, just can change the rotation direction of motor, change the frequency of pulse, just can change the rotating speed of motor.
Above-described embodiment only is the specific case that purpose of the present invention, technical scheme and beneficial effect are further described, and the present invention is defined in this.All any modifications of within scope of disclosure of the present invention, making, be equal to replacement, improvement etc., all be included within protection scope of the present invention.

Claims (7)

1. flat stepping motor comprises rotor, output shaft and forward and backward end cap, and rotor center fixed installation output shaft, forward and backward end cap are before and after rotor and the side-closed rotor, and output shaft forward and backward is rotatably installed on respectively forward and backward end cap; It is characterized in that:
Described rotor (3) comprises rotating disk (3-1) and magnet steel (3-2), and rotating disk (3-1) is disc, is fixing setting-in N magnet steel (3-2) that shape size is identical symmetrically and evenly take the center on the disc face of rotating disk (3-1), and N is 4~180 integer; The magnetic direction of each magnet steel (3-2) is all parallel with the output shaft axis, and polarity is consistent; Each magnet steel (3-2) surface on rotating disk (3-1) the same face all is in equal with rotating disk (3-1) card or is higher than on the plane of rotating disk (3-1) card; The center of rotating disk (3-1) is fixedly mounted with the output shaft vertical with its card (2);
Front end housing (1) comprises front end housing shell (1-1), electromagnetism seat (1-4), solenoid (1-2) and the magnetic salient pole (1-3) of magnetic conduction, the disk that annular edge edge arranged of front end housing shell (1-1) for matching with rotor (3), front end housing shell (1-1) is inboard to take at its center as the fixing electromagnetism seat (1-4) of the individual identical magnetic conduction of n symmetrically and evenly, n=3~12; Electromagnetism seat (1-4) is sector disk, and the angle between adjacent electromagnetism seat (1-4) side is 8 °~12 °; Solenoid (1-2) inner edge matches with electromagnetism seat (1-4) outer rim, and solenoid (1-2) is set with and is fixed in electromagnetism seat (1-4) outer rim, and the center line of solenoid (1-2) is parallel with output shaft (2); The interior fixedly magnetic salient pole (1-3) of m magnetic conduction of each electromagnetism seat (1-4); The number N of magnet steel 〉=mn+1; Magnetic salient pole (1-3) is identical with magnet steel (3-2) shape size of rotor (3), magnetic salient pole (1-3) inner edge equates with the distance of magnet steel (3-2) inner edge with rotating disk (3-1) center that with the distance at front end housing shell (1-1) center also the spacing with magnet steel (3-2) is identical for the spacing of the magnetic salient pole (1-3) in o'clock same electromagnetism seat (1-4) of m 〉=2; The top of solenoid (1-2) is lower than or is equal in the surface of magnetic salient pole (1-3); Inboard magnetic salient pole (1-3) surface of front end housing shell (1-1) is in same plane; The angle of the clockwise skew of the center line of m the magnetic salient pole (1-3) in the adjacent clockwise next electromagnetism seat (1-4) and the centreline space of electromagnetism seat (1-4) is 360 °/nN;
The structure of rear end cap (4) is identical with the structure size of front end housing (1), and identical electromagnetism seat (1-4), solenoid (1-2) and magnetic salient pole (1-3) are also arranged on the rear end cap shell (4-1);
The center that is rotatably installed on front end housing shell (1-1), rear end cap shell (4-1) of output shaft (2); Front end housing shell (1-1) and/or rear end cap shell (4-1) have centre bore, and output shaft (2) is stretching out of end cap shell (1-1) and/or rear end cap shell (4-1) centre bore in the past; Front end housing shell (1-1) is inboard relative with rear end cap shell (4-1), rotor (3) is in the cavity between the two, the magnetic salient pole (1-3) of front end housing (1) is relative one by one with the magnetic salient pole (1-3) of rear end cap (4), rotor (3) is clipped between the two, magnet steel (3-2) surface and the front end housing (1) of rotor (3), keep the gap between magnetic salient pole (1-3) surface of rear end cap (4), front end housing (1) is gone up relative two solenoids (1-2) with rear end cap (2) and is connect or be connected in series, relative 2 electromagnetism seats (1-4), 2 solenoids (1-2) and interior 2m magnetic salient pole (1-3) thereof consist of an electromagnetic pole group that works alone, and this motor forms n electromagnetic pole group; Front end housing shell (1-1), rear end cap shell (4-1) edge fasten, enclosed rotor (3) space of living in; The rear end cap shell (4-1) of front end housing shell (1-1) respectively has equally distributed at least 3 installing holes that cooperatively interact, and screw (5) is fixedly connected with front end housing shell (1-1) and rear end cap shell (4-1) by installing hole; The terminals of n electromagnetic pole group join to output stage with the n of electric machine controller respectively; The electromagnetic field direction that produces during each solenoid (1-2) energising is consistent with magnet steel (3-2) magnetic direction.
2. flat stepping motor according to claim 1 is characterized in that:
Described magnet steel (3-2) is trapezoidal or fan-shaped.
3. flat stepping motor according to claim 1 is characterized in that:
Described rotating disk (3-1) thickness is 1~25mm, and magnet steel (3-2) is higher than rotating disk (3-1) card 0~1mm.
4. flat stepping motor according to claim 1 is characterized in that:
The distance at described magnet steel (3-2) inner edge and rotating disk (3-1) center is 1/3 to 1/2 of rotating disk (3-1) radius.
5. each described flat stepping motor in 4 according to claim 1 is characterized in that:
Magnet steel (3-2) the number N of described rotor (3) is 20~50, and electromagnetism seat (1-4) the number n of front end housing (1), rear end cap (4) is 4~7, and magnetic salient pole (1-3) the number m in each electromagnetism seat (1-4) is 3~10.
6. each described flat stepping motor in 4 according to claim 1 is characterized in that:
Gap between magnetic salient pole (1-3) surface of magnet steel (3-2) surface of described rotor (3) and front end housing (1), rear end cap (4) is 0.1~1mm.
7. each described flat stepping motor in 4 according to claim 1 is characterized in that:
The center of described rotating disk (3-1) is provided with axle sleeve, and the centre bore of axle sleeve is enclosed within on the output shaft (2), is tight fit between axle sleeve and the output shaft (2); The place ahead and rear, output shaft (2) cover at rotor (3) have bearing (2-1); The inboard center of described front end housing shell (1-1) and rear end cap shell (4-1) is bearing pedestal (1-5), and forward and backward 2 bearings (2-1) of output shaft (2) are installed on respectively in the bearing pedestal (1-5) of front end housing shell (1-1) and rear end cap shell (4-1).
CN 201210199009 2012-06-16 2012-06-16 Flat stepping motor Active CN102723841B (en)

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CN103730963B (en) * 2013-12-25 2016-04-13 佛山微海能源科技有限公司 Extreme condition apparatus for lower wind electricity generation system magnet steel dish structure
CN104053258B (en) * 2014-07-10 2015-09-16 厦门艾卓工业设计有限公司 Magnetic energy rotating disk

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1630975A (en) * 2002-02-14 2005-06-22 美蓓亚株式会社 Flat stepping motor
CN101986534A (en) * 2010-11-26 2011-03-16 杭州米格电机有限公司 Disc stepping motor
CN202652037U (en) * 2012-06-16 2013-01-02 桂林电器科学研究院 Flat-type stepping motor

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JP3811038B2 (en) * 2001-09-17 2006-08-16 株式会社日立製作所 Stepping motor
JP4283618B2 (en) * 2003-08-29 2009-06-24 セイコープレシジョン株式会社 Electromagnetic actuator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1630975A (en) * 2002-02-14 2005-06-22 美蓓亚株式会社 Flat stepping motor
CN101986534A (en) * 2010-11-26 2011-03-16 杭州米格电机有限公司 Disc stepping motor
CN202652037U (en) * 2012-06-16 2013-01-02 桂林电器科学研究院 Flat-type stepping motor

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* Cited by examiner, † Cited by third party
Title
JP特开2003-88084A 2003.03.20

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