CN102570734B - Method for overlaying double radial magnetic field linear rotating motor stators with high starting thrust force - Google Patents
Method for overlaying double radial magnetic field linear rotating motor stators with high starting thrust force Download PDFInfo
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- CN102570734B CN102570734B CN 201210018083 CN201210018083A CN102570734B CN 102570734 B CN102570734 B CN 102570734B CN 201210018083 CN201210018083 CN 201210018083 CN 201210018083 A CN201210018083 A CN 201210018083A CN 102570734 B CN102570734 B CN 102570734B
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- utmost point
- silicon steel
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- steel sheet
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Abstract
The invention relates to a method for overlaying double radial magnetic field linear rotating motor stators with high starting thrust force. A stator iron core of a linear rotating stepper motor is provided with P pairs of poles, and is formed by overlaying two silicon steel sheets. The method comprises the following steps of: overlaying a polar tooth on an M type silicon steel sheet to form a first magnetic pole pair; and overlaying an N type silicon steel sheet, forming a first magnetic pole tooth pair and an adjacent second magnetic pole tooth pair simultaneously, rotating by a polar distance away from a first overlaying position, and overlaying an M type silicon steel sheet for serving as a second magnetic pole tooth pair till stator magnetic pole overlaying of a Pth magnetic pole pair is completed and the length of the stator iron core is met. The method is suitable for a stator designing and molding technology of a cylindrical linear rotating stepper reluctance motor with high start linear thrust force. The stator can be taken as a stator of the conventional cylindrical linear reluctance stepper motor as well as a stator of a linear rotating reluctance stepper motor. The method is simple, and the linear starting thrust force can be enhanced greatly.
Description
Technical field
The present invention relates to a kind of stator structure design, particularly a kind of high starting radial thrust magnetic field linear rotary electric machine biplate laminates method.
Background technology
The radial magnetic field cylinder-shape linear stepping motor that the existing monolithic rotation technology that laminates forms and the magnetic structure of straight-line rotating stepper motor, there is 2P magnetic pole in each cross section of its stator, 1 pair of very tooth can only be arranged, stator tooth is apart from (P-1) times that be rotor slot-pitch, thus straight line to play dynamicthrust less.
Summary of the invention
The present invention be directed to present linear stepping motor straight line and play the little problem of dynamicthrust, proposed a kind of high starting radial thrust magnetic field linear rotary electric machine biplate and laminated method, can to produce 2 pairs be the utmost point of the utmost point tooth stator cross section of 2P magnetic pole.Stator tooth distance and rotor slot-pitch, slot pitch equate.Under the identical condition of other parameters of motor, can increase substantially straight line and play dynamicthrust like this, the application of extensive this type of motor of popularization is had extremely important meaning.
Technical scheme of the present invention is: a kind of high starting radial thrust magnetic field linear rotary electric machine biplate laminates method, specifically comprises the steps:
1) the linear stepping motor stator core has the utmost point of P, is formed by stacking by two kinds of silicon steel sheets, and a kind of M type silicon steel sheet comprises stator yoke, magnetic pole of the stator, the 1 pair of utmost point tooth and (P-1) to utmost point groove; Another kind of N-type silicon steel sheet comprises stator yoke, magnetic pole of the stator, the 2 pairs of utmost point teeth and (P-2) to utmost point groove; The utmost point tooth of M type silicon steel sheet and N-type silicon steel sheet is identical with the shape of utmost point groove, and the polar arc that internal diameter is big forms the utmost point groove of stator core, and the polar arc that internal diameter is little forms the utmost point tooth of stator core;
2) the stator poles tooth of radial magnetic field linear stepping motor stator core, utmost point groove queueing discipline are: utmost point tooth, the utmost point groove of each magnetic pole of stator are arranged in order along stator shaft orientation, and the width of utmost point groove, utmost point tooth satisfies following formula: stator shaft orientation utmost point tooth pitch is
, the stator shaft orientation utmost point facewidth
, utmost point groove width
The utmost point facewidth
3) utmost point groove silicon steel sheet sheet number of each magnetic pole of stator is
, utmost point tooth silicon steel sheet sheet number be
: the thickness of silicon steel sheet is
, the silicon steel sheet sheet number of stator poles groove
, utmost point tooth silicon steel sheet sheet number be
4) biplate is rotary shifted laminates, and P carries out according to the magnetic pole of the stator logarithm:
The first step: the first pair pole tooth that forms stator with 1 pair of utmost point tooth of M type silicon steel sheet a slice;
Second step: fold on first step M type silicon steel sheet with N-type silicon steel sheet a slice, 2 pairs of utmost point teeth of N-type silicon steel sheet continue to form the first pair pole tooth, form second pair of adjacent utmost point tooth clockwise simultaneously;
The 3rd step: turn over a pole span with M type silicon steel sheet a slice clockwise than the first step, fold on the second step N-type silicon steel sheet, 1 pair of utmost point tooth of M type silicon steel sheet, continuation forms second pair of utmost point tooth of stator;
The 4th step: turn over a pole span with N-type silicon steel sheet a slice clockwise than second step, fold on the 3rd step M type silicon steel sheet, 2 pairs of utmost point teeth of N-type silicon steel sheet continue to form second pair of utmost point tooth, form the 3rd pair of adjacent utmost point tooth clockwise simultaneously;
The 5th step: turn over a pole span with M type silicon steel sheet a slice clockwise than the 3rd step, fold on the 4th step N-type silicon steel sheet, 1 pair of utmost point tooth of M type silicon steel sheet, continuation forms the 3rd pair of utmost point tooth of stator;
The 6th step: turn over a pole span clockwise than the 4th step with N-type silicon steel sheet a slice, fold on the 5th step M type silicon steel sheet, 2 pairs of utmost point teeth of N-type silicon steel sheet continue to form the 3rd pair of utmost point tooth, and the like, get back to the position of the first step up to M type silicon steel sheet position, finish once rotation, the angle θ of each rotation is a pole span, namely
5) repeating step 4) up to the length requirement of the iron core that satisfies stator.
Beneficial effect of the present invention is: the high starting of the present invention radial thrust magnetic field linear rotary electric machine biplate laminates method, is applicable to stator design and the forming technique of the cylindrical linear rotation stepping reluctance motor of high starting linear thrust.This stator both can be used as the stator of conventional drum type brake straight-line magneto resistance stepping motor, also was applicable to the stator of straight line rotation magnetic resistance stepping motor.Can increase substantially straight line and play dynamicthrust, be that a kind of structural approach is simple, the widely applicable novel stator forming technique of height starting linear thrust.
Description of drawings
Fig. 1 is the high starting of the present invention radial thrust magnetic field linear rotary electric machine core structure figure;
Fig. 2 laminates M sections core lamination figure in the method for the high starting of the present invention radial thrust magnetic field linear rotary electric machine biplate;
Fig. 3 laminates N-type core lamination stack structure chart in the method for the high starting of the present invention radial thrust magnetic field linear rotary electric machine biplate;
Fig. 4 laminates method first step AA for the high starting of the present invention radial thrust magnetic field linear rotary electric machine biplate
,Magnetic pole is the location drawing that laminates of utmost point tooth;
Fig. 5 laminates second step of method AA for the high starting of the present invention radial thrust magnetic field linear rotary electric machine biplate
,And BB
,Magnetic pole be utmost point tooth to laminate with other magnetic poles be utmost point groove structure chart;
Fig. 6 laminates the 3rd step of method BB for the high starting of the present invention radial thrust magnetic field linear rotary electric machine biplate
,Magnetic pole be utmost point tooth to laminate with other magnetic poles be utmost point groove structure chart;
Fig. 7 laminates the 4th step of method BB for the high starting of the present invention radial thrust magnetic field linear rotary electric machine biplate
,And CC
,Magnetic pole be utmost point tooth to laminate with other magnetic poles be utmost point groove structure chart;
Fig. 8 laminates the 5th step of method CC for the high starting of the present invention radial thrust magnetic field linear rotary electric machine biplate
,Magnetic pole be utmost point tooth to laminate with other magnetic poles be utmost point groove structure chart;
Fig. 9 laminates the 6th step of method CC for the high starting of the present invention radial thrust magnetic field linear rotary electric machine biplate
,And AA
,For utmost point tooth to laminate with other magnetic poles be utmost point groove structure chart.
Embodiment
The stator core lamination of the cylinder-shape linear stepping motor of high starting linear thrust radial magnetic field or the straight-line rotating stepper motor of radial magnetic field as shown in Figure 1.This stator core is to adopt the rotary shifted technology of laminating of biplate to form by two kinds of different silicon steel sheets of planform, and its stator structure has stator yoke, magnetic pole of the stator, stator tooth to constitute, as shown in Figure 1.Two kinds of laminations that form the radial magnetic field linear stepping motor stator core of high starting linear thrust are shaped as M type such as Fig. 2, N-type is shown in Figure 3.
The axial teeth groove calculation method of parameters of stator core magnetic pole:
1) stator shaft orientation groove width
: calculating formula is
(1), in the formula,
Be the magnetic pole axial length; Z is the every utmost point number of teeth of stator.
2) the stator shaft orientation facewidth
: calculating formula is
(2), in the formula,
Be tooth pitch.
The axial teeth groove queueing discipline of stator core magnetic pole: the teeth groove queueing discipline of radial magnetic field linear stepping motor stator core is: the tooth of each magnetic pole, groove are arranged in order along an axial tooth one groove in stator pole shoes surface, and the width of groove
Satisfy formula (1), the width of tooth
Satisfy formula (2).
Adopt the rotary shifted shape that laminates the stator silicon steel sheet of method of biplate: adopt the rotary shifted manufactured radial magnetic field linear stepping motor stator core that laminates of biplate, stator lasmination must be designed to two kinds of planforms, Fig. 2, shown in Figure 3.Fig. 2, Fig. 3 are for forming two kinds of used iron core steel discs of stator, i.e. M, N-type lamination figure.
Adopt the rotary shifted lamination that laminates manufactured radial magnetic field linear stepping motor stator core stator of biplate that the utmost point of P, the lamination of two kinds of different versions are arranged.Wherein to have only 1 pair of utmost point be utmost point tooth to M type lamination, and all the other utmost points are utmost point grooves, and M type lamination as shown in Figure 2.P=3 among Fig. 2,6 magnetic poles are respectively
,
,
,
,
,
, form three extremely right, be respectively:
It is extremely right to being utmost point tooth,
,
Extremely right to being utmost point groove.It is utmost point teeth that the N-type lamination has only 2 pairs of utmost points, and all the other are utmost point grooves, as shown in Figure 3.6 magnetic poles are respectively among Fig. 3
,
,
,
,
,
, form three extremely right.Be respectively:
Extremely to
It is extremely right to being utmost point tooth,
Extremely right to being utmost point groove.Each is identical to the shape of magnetic pole, namely
The utmost point with
It is extremely identical,
The utmost point with
Extremely identical,
The utmost point with
Extremely identical.The polar arc that internal diameter is big forms the utmost point groove of stator core, as
, the polar arc that internal diameter is little forms the utmost point tooth of stator core, as
The rotary shifted method that laminates of employing biplate forms the stator shaft orientation tooth, well width is to utilize silicon steel sheet thickness by calculating, and the silicon steel sheet number that need calculate stator shaft orientation arc tooth respectively is
, the stator shaft orientation deep-slotted chip breaker the silicon steel sheet number be
Xuan Zhuan mechanical angle once
, its computational methods are as follows:
1) dead axle is to the silicon steel sheet number of arc tooth
Its calculating formula be:
(3), in the formula, D is the thickness of silicon steel sheet;
2) dead axle is to the silicon steel sheet number of deep-slotted chip breaker
Its calculating formula be:
(4), in the formula, D is the thickness of silicon steel sheet;
3) being calculated as of an anglec of rotation:
(5), in the formula,
Be the pole span of representing with mechanical angle.
Form the rotary shifted method that laminates of biplate of stator shaft orientation teeth groove: for radial magnetic field cylinder-shape linear stepping motor and straight-line rotating stepper motor, the rotary shifted method that laminates is carried out according to magnetic pole of the stator logarithm P.Its method step is for comprising:
The first step: the utmost point of motor stator P (P=3) is AA
,, BB
,, CC
,, with M type silicon steel sheet a slice
Extremely to the AA of stator
,Utmost point alignment is to stator AA
,Extremely to for utmost point tooth laminates, as shown in Figure 4;
Second step: with N-type silicon steel sheet a slice
Extremely to
Extremely to the AA of stator
,, BB
,Extremely to alignment, to the AA of stator
,, BB
,Extremely to for utmost point tooth laminates, as shown in Figure 5;
The 3rd step: with M type silicon steel sheet a slice
Extremely to the BB of stator
,Utmost point alignment is than the first step pole span that turns clockwise, to BB
,Extremely to for utmost point tooth laminates, as shown in Figure 6;
The 4th step: with the a-a of N-type silicon steel sheet a slice
,Extremely to and b-b
,Extremely to the BB of stator
,, CC
,Extremely to alignment, than the second step pole span that turns clockwise, to the BB of stator
,, CC
,Extremely to for tooth laminates, as shown in Figure 7;
The 5th step: with M type silicon steel sheet a slice
Extremely to the CC of stator
,Utmost point alignment is than the 3rd step pole span that turns clockwise, to CC
,Extremely to for utmost point tooth laminates, as shown in Figure 8;
The 6th step: with the a-a of N-type silicon steel sheet a slice
,Extremely to and b-b
,Extremely to the CC of stator
,, AA
,Extremely to alignment, than the 4th step pole span that turns clockwise, to the CC of stator
,, AA
,Extremely to laminating for utmost point tooth; Above six steps of process are finished laminating of a tooth pitch, as shown in Figure 9.
Claims (1)
1. one kind high starting radial thrust magnetic field linear rotating stepper motor stator biplate laminates method, it is characterized in that, specifically comprises the steps:
1) radial magnetic field linear rotating stepper motor stator core has the utmost point of P, is formed by stacking by two kinds of silicon steel sheets, and a kind of M type silicon steel sheet comprises stator yoke, magnetic pole of the stator, the 1 pair of utmost point tooth and (P-1) to utmost point groove; Another kind of N-type silicon steel sheet comprises stator yoke, magnetic pole of the stator, the 2 pairs of utmost point teeth and (P-2) to utmost point groove; The utmost point tooth of M type silicon steel sheet and N-type silicon steel sheet is identical with the shape of utmost point groove, and the polar arc that internal diameter is big forms the utmost point groove of stator core, and the polar arc that internal diameter is little forms the utmost point tooth of stator core;
2) the stator poles tooth of radial magnetic field linear rotating stepper motor stator core, utmost point groove queueing discipline are: utmost point tooth, the utmost point groove of each magnetic pole of stator are arranged in order along stator shaft orientation, and the width of utmost point groove, utmost point tooth satisfies following formula: stator shaft orientation utmost point tooth pitch is
, the stator shaft orientation utmost point facewidth
, stator shaft orientation utmost point groove width
The stator shaft orientation utmost point facewidth
3) utmost point groove silicon steel sheet sheet number of each magnetic pole of stator is
, utmost point tooth silicon steel sheet sheet number be
: the thickness of silicon steel sheet is
, the silicon steel sheet sheet number of stator poles groove
, utmost point tooth silicon steel sheet sheet number be
4) biplate is rotary shifted laminates, and P carries out according to the magnetic pole of the stator logarithm:
The first step: the first pair pole tooth that forms stator with 1 pair of utmost point tooth of M type silicon steel sheet a slice;
Second step: fold on first step M type silicon steel sheet with N-type silicon steel sheet a slice, 2 pairs of utmost point teeth of N-type silicon steel sheet continue to form the first pair pole tooth, form second pair of adjacent utmost point tooth clockwise simultaneously;
The 3rd step: turn over a pole span with M type silicon steel sheet a slice clockwise than the first step, fold on the second step N-type silicon steel sheet, 1 pair of utmost point tooth of M type silicon steel sheet, continuation forms second pair of utmost point tooth of stator;
The 4th step: turn over a pole span with N-type silicon steel sheet a slice clockwise than second step, fold on the 3rd step M type silicon steel sheet, 2 pairs of utmost point teeth of N-type silicon steel sheet continue to form second pair of utmost point tooth, form the 3rd pair of adjacent utmost point tooth clockwise simultaneously;
The 5th step: turn over a pole span with M type silicon steel sheet a slice clockwise than the 3rd step, fold on the 4th step N-type silicon steel sheet, 1 pair of utmost point tooth of M type silicon steel sheet, continuation forms the 3rd pair of utmost point tooth of stator;
The 6th step: turn over a pole span clockwise than the 4th step with N-type silicon steel sheet a slice, fold on the 5th step M type silicon steel sheet, 2 pairs of utmost point teeth of N-type silicon steel sheet continue to form the 3rd pair of utmost point tooth, and the like, get back to the position of the first step up to M type silicon steel sheet position, finish once rotation, the angle θ of each rotation is a pole span, namely
5) repeating step 4) up to the length requirement of the iron core that satisfies stator.
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CN 201210018083 CN102570734B (en) | 2012-01-20 | 2012-01-20 | Method for overlaying double radial magnetic field linear rotating motor stators with high starting thrust force |
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CN104935091B (en) * | 2014-03-20 | 2019-12-17 | 舍弗勒技术股份两合公司 | Annular silicon steel sheet with separation structure, iron core and installation method |
CN107332365B (en) * | 2017-07-31 | 2019-07-09 | 广东威灵电机制造有限公司 | Motor stator core and compressor |
CN107482805B (en) * | 2017-07-31 | 2019-07-30 | 广东威灵电机制造有限公司 | Motor stator core and compressor |
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US5315751A (en) * | 1990-10-24 | 1994-05-31 | International Business Machines Corporation | Method of fabricating a combined linear-rotary direct drive step motor |
CN1094869A (en) * | 1993-04-27 | 1994-11-09 | 东方电机株式会社 | Linear pulse electric motor |
CN1110024A (en) * | 1993-09-24 | 1995-10-11 | 东方电机株式会社 | Linear pulse motor |
JP3220535B2 (en) * | 1992-12-14 | 2001-10-22 | オリエンタルモーター株式会社 | Linear pulse motor |
CN101860130A (en) * | 2010-04-08 | 2010-10-13 | 上海理工大学 | Method for folding and compressing lamination of stator of radial magnetic field linear rotating motor through rotating and displacing |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08237933A (en) * | 1995-02-28 | 1996-09-13 | Oriental Motor Co Ltd | Linear motor |
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2012
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Patent Citations (5)
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---|---|---|---|---|
US5315751A (en) * | 1990-10-24 | 1994-05-31 | International Business Machines Corporation | Method of fabricating a combined linear-rotary direct drive step motor |
JP3220535B2 (en) * | 1992-12-14 | 2001-10-22 | オリエンタルモーター株式会社 | Linear pulse motor |
CN1094869A (en) * | 1993-04-27 | 1994-11-09 | 东方电机株式会社 | Linear pulse electric motor |
CN1110024A (en) * | 1993-09-24 | 1995-10-11 | 东方电机株式会社 | Linear pulse motor |
CN101860130A (en) * | 2010-04-08 | 2010-10-13 | 上海理工大学 | Method for folding and compressing lamination of stator of radial magnetic field linear rotating motor through rotating and displacing |
Non-Patent Citations (2)
Title |
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怡勇.磁阻式直线旋转步进电机的直线运动磁场分析.《微电机》.2010,第43卷(第2期),第30-34页. |
磁阻式直线旋转步进电机的直线运动磁场分析;怡勇;《微电机》;20100228;第43卷(第2期);第30-35页 * |
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