CN212572338U - Internal and external double-rotor six-suspension-pole switched reluctance motor - Google Patents
Internal and external double-rotor six-suspension-pole switched reluctance motor Download PDFInfo
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- CN212572338U CN212572338U CN202022045760.8U CN202022045760U CN212572338U CN 212572338 U CN212572338 U CN 212572338U CN 202022045760 U CN202022045760 U CN 202022045760U CN 212572338 U CN212572338 U CN 212572338U
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- 239000000725 suspension Substances 0.000 claims abstract description 130
- 238000004804 winding Methods 0.000 claims abstract description 39
- 230000005389 magnetism Effects 0.000 claims abstract description 11
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 30
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 230000004907 flux Effects 0.000 description 23
- 230000003068 static effect Effects 0.000 description 8
- 238000005339 levitation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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Abstract
The utility model relates to a reluctance machine field discloses an interior outer six suspension utmost point switched reluctance machine of birotor, including stator, inner rotor and external rotor. The stator comprises a motor stator iron core, a permanent magnet ring and a magnetism isolating aluminum ring; the motor stator iron core is divided into an outer motor stator iron core and an inner motor stator iron core by a magnetism isolating aluminum ring, six outer suspension teeth and torque teeth, six inner suspension teeth and torque teeth are uniformly distributed on the surfaces of the outer motor stator iron core and the inner motor stator iron core respectively, and the inner torque teeth and the outer torque teeth are connected with the motor stator iron core through magnetism isolating blocks; the suspension teeth and the torque teeth are wound with windings; the permanent magnet ring is connected with the left and right motor stator cores; rotor teeth are uniformly distributed on the inner side of the outer rotor core and the outer side of the inner rotor core respectively, and an outer air gap and an inner air gap are formed between the rotor teeth and the outer motor stator core and between the rotor teeth and the inner motor stator core respectively; the utility model discloses only need two three-phase inverters just can realize that inside and outside birotors stabilize the suspension, suspension control and torque control do not have the coupling, have compact structure, the cost is low, control simple advantage.
Description
Technical Field
The utility model relates to a magnetic suspension switched reluctance motor field, concretely relates to six suspension utmost point switched reluctance motors of inside and outside birotor.
Background
The magnetic suspension switched reluctance motor rotor is free of permanent magnets and windings, has the advantages of no friction and wear, simple and firm structure and high strength, is easy to realize high-speed operation, and has a wide application prospect in the field of high-speed application.
The technical characteristics of the existing magnetic suspension switched reluctance motor are focused on two aspects, 1, the magnetic suspension switched reluctance motor is of a single-rotor and single-stator structure, and the extension of the application field of the magnetic suspension switched reluctance motor is limited; 2. magnetic suspension switched reluctance motor often is on the stator tooth coiling torque winding and suspension winding simultaneously, and both circular telegrams simultaneously, and the combined action produces suspension power and torque, has strong coupling between the two, and control is complicated, is difficult to realize high-speed high-accuracy control, and chinese utility model patent a permanent magnetism biasing does not have bearing switched reluctance motor application number: CN102306995B, adopt magnetism barrier material to separate suspension tooth and torque tooth each other, realized the independent control of suspension power and torque, but the suspension number of teeth of this structure is 4, and the torque iron core is birotor tooth structure, and two required bipolar switch power amplifiers or 4 unipolar switch power amplifiers just can realize two degree of freedom suspensions, and the torque tooth of this structure occupies bigger radial space, leads to the suspension tooth area, and rotor tooth area is serious restricted, has reduced suspension power density and torque density.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to the problem that exists among the prior art, the utility model provides an inside and outside six suspension utmost point switched reluctance motor of birotor, its compact structure can produce bigger suspension power and torque, only needs a three-phase inverter just can realize that two degrees of freedom of rotor stabilize the suspension, cost and low power dissipation.
The technical scheme is as follows: the utility model provides an inner and outer double-rotor six-suspension-pole switched reluctance motor, which comprises a stator, an inner rotor and an outer rotor; the stator comprises a left motor stator core, a right motor stator core, a permanent magnet ring and two magnetism isolating aluminum rings; the left motor stator core and the right motor stator core are divided into a left outer motor stator core, a left inner motor stator core, a right outer motor stator core and a right inner motor stator core by corresponding magnetism isolating aluminum rings respectively, six outer suspension teeth, six outer torque teeth and six outer torque teeth are evenly distributed on the outer circumferences of the left outer motor stator core and the right outer motor stator core respectively and are arranged at intervals, and the six left outer suspension teeth A and the six outer torque teeth are arranged at intervals respectivelyl1、Bl1、Cl1、Dl1、El1、Fl1Six right outer suspension teeth Ar1、Br1、Cr1、Dr1、Er1、Fr1Six left outer torque teeth Xl1、Yl1、Zl1、Ul1、Vl1、Wl1Six right outer torque teeth Xr1、Yr1、Zr1、Ur1、Vr1、Wr1(ii) a Six inner side suspensions are uniformly distributed on the inner circumferences of the stator core of the left inner side motor and the stator core of the right inner side motorThe floating teeth and the six inner side torque teeth are arranged at intervals, namely six left inner side floating teeth A and six left inner side torque teeth Al2、Bl2、Cl2、Dl2、El2、Fl2Six right inner side suspension teeth Ar2、Br2、Cr2、Dr2、Er2、Fr2Six left inner torque teeth Xl2、Yl2、Zl2、Ul2、Vl2、Wl2And six right internal torque teeth Xr2、Yr2、Zr2、Ur2、Vr2、Wr2(ii) a Six left outside torque teeth Xl1、Yl1、Zl1、Ul1、Vl1、Wl1Six right outer torque teeth Xr1、Yr1、Zr1、Ur1、Vr1、Wr1Six left inner torque teeth Xl2、Yl2、Zl2、Ul2、Vl2、Wl2And six right internal torque teeth Xr2、Yr2、Zr2、Ur2、Vr2、Wr2The motor stator core is connected with the left outer side motor stator core, the right outer side motor stator core, the left inner side motor stator core and the right inner side motor stator core through the magnetic isolation blocks respectively; the permanent magnet ring is connected with the left outer side motor stator core, the left inner side motor stator core, the right outer side motor stator core and the right inner side motor stator core; the outer rotor comprises an outer rotor core, the inner rotor comprises an inner rotor core, and ten left outer rotor teeth R are uniformly distributed on the inner circumference of the outer rotor core and at the positions corresponding to the left outer motor stator core and the right outer motor stator core respectivelyl1~Rl10And ten right outer rotor teeth Rr1~Rr10(ii) a Ten left inner rotor teeth R are respectively and uniformly distributed on the outer circumference of the inner rotor core and the corresponding positions of the left inner motor stator core and the right inner motor stator corel11~Rl20And ten right inside rotor teeth Rr11~Rr20。
Furthermore, suspension windings are wound on the inner side suspension teeth and the outer side suspension teeth; and torque windings are respectively wound on the inner side torque teeth and the outer side torque teeth.
Further, the left outer rotor tooth Rl1~Rl10And right outer rotor teeth Rr1~Rr10An outer air gap is formed between the left outer motor stator iron core and the right outer motor stator iron core; the left inner rotor tooth Rl11~Rl20And right inner rotor teeth Rr11~Rr20And an inner air gap is formed between the left inner motor stator core and the right inner motor stator core respectively.
Further, the mutual difference between the axes of the suspension teeth on the stator cores of the motors is 60 ℃, and the right outer side suspension teeth Ar1Left outer suspension tooth Al1Right inner side suspension tooth Ar2Left inner side suspension tooth Al2Are all aligned with the + x direction.
Further, windings on two opposite suspension teeth of the inner suspension tooth and the outer suspension tooth are connected in series or in parallel in the same direction; the inner torque teeth and the outer torque teeth are of U-shaped structures which are arranged along the axial direction, the opening ends of the U-shaped structures face the inner rotor and the outer rotor respectively, and torque windings which are connected in series or in parallel in an opposite direction are wound on the inner torque teeth and the outer torque teeth of the U-shaped structures respectively.
Further, the right outer suspension tooth Ar1、Br1、Cr1、Dr1、Er1、Fr1Left outer suspension tooth Al1、Bl1、Cl1、Dl1、El1、Fl1Right inner side suspension tooth Ar2、Br2、Cr2、Dr2、Er2、Fr2Left inner side suspension tooth Al2、Bl2、Cl2、Dl2、El2、Fl2Arranged on the circumference, with the radian being 36 degrees; the radians of the left outer rotor tooth and the right outer rotor tooth on the inner circumference of the outer rotor core and the radians of the left inner rotor tooth and the right inner rotor tooth on the outer circumference of the inner rotor core are all 18 degrees; left outer side torque tooth Xl1、Yl1、Zl1、Ul1、Vl1、Wl1Right outer torque tooth Xr1、Yr1、Zr1、Ur1、Vr1、Wr1And the left inner side torque tooth Xl2、Yl2、Zl2、Ul2、Vl2、Wl2Right inner torque tooth Xr2、Yr2、Zr2、Ur2、Vr2、Wr2Each torque tooth arc of (a) is 18.
Further, when the right outer side rotates the moment tooth Xr1Right inner torque tooth Xr2Left outer torque tooth Xl1Left inner torque tooth Xl2Respectively with the right outer rotor teeth Rr2Right inner rotor tooth Rr12Left outer rotor tooth Rl2Left inner rotor tooth Rl12Axis aligned, right outboard torque tooth Ur1Right inner torque tooth Ur2Left outer torque tooth Ul1Left inner side torque tooth Ul2Respectively with the right outer rotor teeth Rr7Right inner rotor tooth Rr17Left outer rotor tooth Rl7Left inner rotor tooth Rl17Right outboard torque tooth Y with aligned axesr1Right inner torque tooth Yr2Left outer torque tooth Yl1Left inner torque tooth Yl2Respectively leading the right outer rotor teeth R counterclockwiser3Right inner rotor tooth Rr13Left outer rotor tooth Rl3Left inner rotor tooth Rl13Has an angle of 24, right outer torque tooth Vr1Right inner torque tooth Vr2Left outer torque tooth Vl1Left inner torque tooth Vl2Counterclockwise leading right outer rotor tooth Rr8Right inner rotor tooth Rr18Left outer rotor tooth Rl8Left inner rotor tooth Rl18Has an angle of 24, right outer torque tooth Zr1Right inner torque tooth Zr2Left outer torque tooth Zl1Left inner torque tooth Zl2Left outer rotor tooth R with counterclockwise lagr6Right inner rotor tooth Rr16Left outer rotor tooth Rl6Left inner rotor tooth Rl16Has an angle of 24, right outer torque tooth Wr1Right inner side Wr2Left outer torque tooth Wl1Left inner torque tooth Wl2Left outer rotor tooth R with counterclockwise lagr1Right inner rotor tooth Rr11Left outer rotor tooth Rl1Left inner rotor tooth Rl11Is 24 degrees.
Further, the left outer motor stator core, the left inner motor stator core, the right outer motor stator core, the right inner motor stator core, the outer rotor core and the inner rotor core are formed by laminating silicon steel sheets.
Has the advantages that:
1. the utility model discloses a six suspension utmost point switched reluctance motor of inside and outside birotor, compact structure, torque and suspension force do not have the coupling, and control is simple, and cost and consumption are all lower, and design torque tooth is U type structure, can effectively increase the area of suspension tooth, rotor tooth and torque tooth, improves torque and suspension force simultaneously, and through the continuous rotation of external control circuit and produce continuous electromagnetic torque, no torque blind spot.
2. The utility model provides an extremely inside and outside birotor magnetic suspension switched reluctance motor of six suspensions only needs two three-phase inverters just can realize that inside and outside birotors stabilize the suspension, and suspension control and torque control do not have the coupling, can be arranged in the hybrid vehicle as energy converter and electric continuously variable transmission.
Drawings
Fig. 1 is a split and suspension magnetic circuit diagram of the suspension teeth of the internal and external double-rotor six-suspension-pole switched reluctance motor of the utility model;
fig. 2 is an axial section and torque flux diagram of the internal and external double-rotor six-suspension-pole switched reluctance motor of the present invention;
fig. 3 is a right radial suspension magnetic flux diagram of the internal and external double-rotor six-suspension-pole switched reluctance motor of the present invention;
fig. 4 is a left radial suspension magnetic flux diagram of the internal and external double-rotor six-suspension-pole switched reluctance motor of the present invention;
fig. 5 is a diagram of the current-carrying positions of the torque teeth X and the U winding of the internal and external dual-rotor six-suspension-pole switched reluctance motor of the present invention;
fig. 6 is a diagram of the power-on positions of the torque teeth Y and the V windings of the internal and external double-rotor six-suspension-pole switched reluctance motor of the present invention;
fig. 7 is the utility model discloses an inside and outside six suspension utmost point switched reluctance motor torque tooth Z and W winding circular telegram position pictures of birotor.
The magnetic field generator comprises a stator core of a left outer motor, a stator core of a right outer motor, a stator core of a 3 left inner motor, a stator core of a 4 right inner motor, a permanent magnet ring 5, a magnetic isolation aluminum ring 6, a magnetic isolation block 7, an outer rotor core 8, an inner rotor core 9, an outer air gap 10, an inner air gap 11, an outer suspension winding 12, an inner suspension winding 13, an outer torque winding 14, an inner torque winding 15, a static bias flux I16, a static bias flux II 17, an outer radial suspension control flux 18, an inner radial suspension control flux 19 and a magnetic flux 20.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The specific implementation mode is as shown in fig. 1-4, a six-suspension-pole inner and outer double-rotor magnetic suspension switched reluctance motor comprises a stator, an inner rotor, an outer rotor and a rotating shaft. The stator comprises a left motor stator core, a right motor stator core, a permanent magnet ring 5 and two magnetism isolating aluminum rings 6. The left motor stator core and the right motor stator core are respectively divided into a left outer motor stator core 1, a left inner motor stator core 3, a right outer motor stator core 2 and a right inner motor stator core 4 by corresponding magnetism isolating aluminum rings 6, six outer suspension teeth and six outer torque teeth are uniformly distributed on the outer circumferences of the left outer motor stator core 1 and the right outer motor stator core 2 respectively and are arranged at intervals, and the six outer torque teeth are arranged between every two outer suspension teeth at intervals. For convenience of description, the left outer floating teeth a are respectively described as six in the present embodimentl1、Bl1、Cl1、Dl1、El1、Fl1Six right outer suspension teeth Ar1、Br1、Cr1、Dr1、Er1、Fr1Six left outer torque teeth Xl1、Yl1、Zl1、Ul1、Vl1、Wl1Six right outer torque teeth Xr1、Yr1、Zr1、Ur1、Vr1、Wr1Six left outer torque teeth Xl1、Yl1、Zl1、Ul1、Vl1、Wl1The suspension teeth A are arranged at the six left outer sides at intervalsl1、Bl1、Cl1、Dl1、El1、Fl1Between two pairs of the suspension teeth. Six right outside torque teeth Xr1、Yr1、Zr1、Ur1、Vr1、Wr1The suspension teeth A are arranged at six right outer sides at intervalsr1、Br1、Cr1、Dr1、Er1、Fr1Between two pairs of the suspension teeth. The mutual difference between the axes of the suspension teeth on the stator cores of each motor is 60 degrees, and the right outer side suspension teeth Ar1Left outer suspension tooth Al1Right inner side suspension tooth Ar2Left inner side suspension tooth Al2Are all aligned with the + x direction.
Six inner side suspension teeth and six inner side torque teeth are uniformly distributed on the inner circumferences of the left inner side motor stator core 3 and the right inner side motor stator core 4 respectively and are arranged at intervals, and the six inner side torque teeth are arranged between every two inner side suspension teeth at intervals respectively. Respectively is six left inner side suspension teeth Al2、Bl2、Cl2、Dl2、El2、Fl2Six right inner side suspension teeth Ar2、Br2、Cr2、Dr2、Er2、Fr2Six left inner torque teeth Xl2、Yl2、Zl2、Ul2、Vl2、Wl2And six right internal torque teeth Xr2、Yr2、Zr2、Ur2、Vr2、Wr2Six left inner torque teeth Xl2、Yl2、Zl2、Ul2、Vl2、Wl2Respectively arranged at intervals on the left inner side suspension teeth Al2、Bl2、Cl2、Dl2、El2、Fl2Between two pairs of the suspension teeth. Six right internal torque teeth Xr2、Yr2、Zr2、Ur2、Vr2、Wr2Are respectively arranged at intervals on six right inner side suspension teeth Ar2、Br2、Cr2、Dr2、Er2、Fr2Between two pairs of the suspension teeth. And six left outside torque teeth Xl1、Yl1、Zl1、Ul1、Vl1、Wl1Six right outer torque teeth Xr1、Yr1、Zr1、Ur1、Vr1、Wr1Six left inner torque teeth Xl2、Yl2、Zl2、Ul2、Vl2、Wl2And six right internal torque teeth Xr2、Yr2、Zr2、Ur2、Vr2、Wr2And the magnetic isolating blocks 7 are respectively connected with the left outer motor stator core 1, the right outer motor stator core 2, the left inner motor stator core 3 and the right inner motor stator core 4, so that 24 magnetic isolating blocks are formed. Inner side suspension tooth (left inner side suspension tooth A)l2、Bl2、Cl2、Dl2、El2、Fl2Right inner side suspension tooth Ar2、Br2、Cr2、Dr2、Er2、Fr2) And the outer suspension teeth (left outer suspension teeth A)l1、Bl1、Cl1、Dl1、El1、Fl1Right outer suspension tooth Ar1、Br1、Cr1、Dr1、Er1、Fr1) The upper suspension windings are wound, which are respectively marked as an inner suspension winding 13 and an outer suspension winding 12, and the windings (the inner suspension winding 13 and the outer suspension winding 12) on the two opposite suspension teeth of the inner suspension tooth and the outer suspension tooth are connected in series or in parallel in the same direction, see the winding direction of the attached drawing 1. Inner side torque teeth (left inner torque teeth, right inner torque teeth) and outer side rotationThe torque teeth (the left outer torque tooth and the right outer torque tooth) are all in a U-shaped structure arranged along the axial direction, the opening ends of the torque teeth face the inner rotor and the outer rotor respectively, and torque windings which are connected in series or in parallel in a reverse direction are wound on the inner torque tooth and the outer torque tooth of the U-shaped structure respectively and are marked as an inner torque winding 15 and an outer torque winding 14 respectively, and the winding directions are shown in the drawing 2.
The permanent magnet ring 5 is connected with the left outer motor stator core 1, the left inner motor stator core 3, the right outer motor stator core 2 and the right inner motor stator core 4, which are shown in the attached drawings 1 and 2.
The outer rotor comprises an outer rotor core 8, the inner rotor comprises an inner rotor core 9, ten left outer rotor teeth and ten right outer rotor teeth are uniformly distributed on the inner circumference of the outer rotor core 8 corresponding to the left outer motor stator core 1 and the right outer motor stator core 2 respectively and are marked as left outer rotor teeth Rl1To left outer rotor tooth Rl10And right outer rotor teeth Rr1To right outer rotor tooth Rr10And an outer air gap 10 is formed between the outer stator core 1 and the outer stator core 2. Ten left inner rotor teeth and ten right inner rotor teeth which are respectively marked as left inner rotor teeth R are respectively and uniformly distributed at the positions of the outer circumference of the inner rotor core 9 corresponding to the left inner motor stator core 3 and the right inner motor stator core 4l11To left inner rotor tooth Rl20Right inner rotor tooth Rr11To right inner rotor tooth Rr20And an inner air gap 11 is formed between the inner stator core 3 and the inner stator core 4.
In the present embodiment, the right outer floating teeth ar1、Br1、Cr1、Dr1、Er1、Fr1Left outer suspension tooth Al1、Bl1、Cl1、Dl1、El1、Fl1Right inner side suspension tooth Ar2、Br2、Cr2、Dr2、Er2、Fr2Left inner side suspension tooth Al2、Bl2、Cl2、Dl2、El2、Fl2Arranged on the circumference, with an arc of 36 degrees. The radians of the left outer rotor tooth and the right outer rotor tooth on the inner circumference of the outer rotor core 8, the left inner rotor tooth and the right inner rotor tooth on the outer circumference of the inner rotor core 9 are 18 degrees. Left outer side torque tooth Xl1、Yl1、Zl1、Ul1、Vl1、Wl1Right outer torque tooth Xr1、Yr1、Zr1、Ur1、Vr1、Wr1And the left inner side torque tooth Xl2、Yl2、Zl2、Ul2、Vl2、Wl2Right inner torque tooth Xr2、Yr2、Zr2、Ur2、Vr2、Wr2Each torque tooth arc of (a) is 18.
When the right outer side is rotated to form a torque tooth Xr1Right inner torque tooth Xr2Left outer torque tooth Xl1Left inner torque tooth Xl2Respectively with the right outer rotor teeth Rr2Right inner rotor tooth Rr12Left outer rotor tooth Rl2Left inner rotor tooth Rl12Axis aligned, right outboard torque tooth Ur1Right inner torque tooth Ur2Left outer torque tooth Ul1Left inner side torque tooth Ul2Respectively with the right outer rotor teeth Rr7Right inner rotor tooth Rr17Left outer rotor tooth Rl7Left inner rotor tooth Rl17Right outboard torque tooth Y with aligned axesr1Right inner torque tooth Yr2Left outer torque tooth Yl1Left inner torque tooth Yl2Respectively leading the right outer rotor teeth R counterclockwiser3Right inner rotor tooth Rr13Left outer rotor tooth Rl3Left inner rotor tooth Rl13Has an angle of 24, right outer torque tooth Vr1Right inner torque tooth Vr2Left outer torque tooth Vl1Left inner torque tooth Vl2Counterclockwise leading right outer rotor tooth Rr8Right inner rotor tooth Rr18Left outer rotor tooth Rl8Left inner rotor tooth Rl18Has an angle of 24, right outer torque tooth Zr1Right inner torque tooth Zr2Left outer torque tooth Zl1Left inner torque tooth Zl2Left outer rotor tooth R with counterclockwise lagr6Right inner rotor tooth Rr16Left outer rotor tooth Rl6Left inner rotor tooth Rl16Has an angle of 24, right outer torque tooth Wr1Right inner side Wr2Left outer torque tooth Wl1Left inner torque tooth Wl2Left outer rotor tooth R with counterclockwise lagr1Right inner rotor tooth Rr11Left outer rotor tooth Rl1Left inner rotor tooth Rl11Angle of (2) is 24
The left outer side motor stator iron core 1, the left inner side motor stator iron core 3, the right outer side motor stator iron core 2, the right inner side motor stator iron core 4, the outer side rotor iron core 8 and the inner side rotor iron core 9 are formed by laminating silicon steel sheets.
The permanent magnet ring 5 provides a first static bias magnetic flux 16 and a second static bias magnetic flux 17, and the magnetic circuit of the first static bias magnetic flux 16 is as follows: the magnetic flux is emitted from the N pole of the permanent magnet ring 5 and passes through the right outer suspension teeth A on the stator core 2 of the right outer motorr1、Br1、Cr1、Dr1、Er1、Fr1The outer air gap 10, the outer rotor core 8, the outer air gap 10, and the left outer motor stator core 1 return to the S pole of the permanent magnet ring 5. The magnetic circuit of the second static bias magnetic flux 17 is as follows: the magnetic flux starts from the N pole of the permanent magnet ring 5 and passes through the right inner suspension teeth A on the stator core 4 of the right inner motorr2、Br2、Cr2、Dr2、Er2、Fr2The inner air gap 11, the inner rotor core 9, the inner air gap 11, the left inner motor stator core 3 and the S pole of the permanent magnet ring 5.
The outer radial levitation control magnetic flux 18 generated by electrifying the outer levitation winding 12 wound on the outer levitation teeth (left outer levitation tooth and right outer levitation tooth) has a magnetic circuit: the suspension teeth on the outer motor stator iron cores (left and right outer motor stator iron cores), the outer air gap 10, the rotor teeth under the outer rotor iron core 8 and the outer motor stator iron cores (left and right outer motor stator iron cores) form a closed loop.
The inner radial suspension control magnetic flux 19 generated by electrifying the inner suspension winding 13 wound on the inner suspension teeth (left inner suspension teeth and right inner suspension teeth) has a magnetic circuit as follows: the suspension teeth on the inner motor stator iron cores (left and right inner motor stator iron cores), the inner air gap 11, the rotor teeth under the inner rotor iron core 9 and the inner motor stator iron cores (left and right inner motor stator iron cores) form a closed loop.
Suspension principle: the static bias magnetic flux I16 and the static bias magnetic flux II 17 interact with the outer radial levitation control magnetic flux 18 and the inner radial levitation control magnetic flux 19 in the radial direction, so that the superposition of air gap magnetic fields on the same side with the radial eccentricity direction of the rotor is weakened, the superposition of air gap magnetic fields in the opposite direction is strengthened, force opposite to the deflection direction of the rotor is generated on the rotor, and the rotor is pulled back to the radial balance position.
The rotation principle is as follows: referring to FIGS. 5 to 7, when the inner and outer rotors are in the state shown in FIG. 5, the outer torque teeth X1Inner torque gear X2And outer rotor teeth R2Inner rotor teeth R12Aligned, outboard torque teeth U1Inner side torque tooth U2And outer rotor teeth R7Inner rotor teeth R17Alignment, note: outside torque gear X1Left-pointing outside torque gear Xl1And right outboard torque tooth Xr1Inner torque gear X2Left inner torque tooth Xl2And right inner torque tooth Xr2Outer rotor teeth R2Left-pointing outer rotor tooth Rl2And right outer rotor teeth Rr2Inner rotor teeth R12Left inner rotor tooth Rl12And right inner rotor teeth Rr12. By parity of reasoning, the outside is provided with a torque tooth Y1Inner torque tooth Y2And outer torque teeth V1Inner torque teeth V2The upper winding is electrified, and the outside torque teeth Y1Inner torque tooth Y2Outer torque gear Y1Inner torque tooth Y2Lower air gap, outboard torque tooth Y1Inner torque tooth Y2Lower outer rotor tooth R3Inner rotor teeth R13A magnetic flux 20 forming a closed circuit therebetween; at the outside of the torque teeth V1Inner torque teeth V2Outer torque gear V1Inner torque teeth V2Lower air gap, outer torque tooth V1Inner torque teeth V2Lower outer rotor tooth R8Inner rotor teeth R18A magnetic flux 20 forming a closed circuit therebetween; because the outside of the torque gear Y1Inner torque tooth Y2Counterclockwise leading corresponding outer rotor tooth R3Inner rotor teeth R1324 degree, outside torque teeth V1Inner torque teeth V2Counterclockwise leading corresponding outer rotor tooth R8Inner rotor teeth R1824, closing magnetic flux generates magnetic resistance force to enable the inner rotor and/or the outer rotor to rotate counterclockwise for 24 degrees, when only the outer side winding is electrified, the outer rotor rotates counterclockwise for 24 degrees, when the inner side winding is electrified, the inner rotor rotates counterclockwise for 24 degrees, and when the inner side winding and the outer side winding are electrified, the inner rotor and the outer rotor rotate counterclockwise for 24 degrees simultaneously. Outside torque gear Y1Inner torque tooth Y2And outer rotor teeth R3Inner rotor teeth R13Aligned, outboard torque teeth V1Inner torque teeth V2And outer rotor teeth R8Inner rotor teeth R18Alignment, as shown in fig. 6; and the outside torque tooth Z at this time1Inner torque tooth Z2Rotor tooth outside rotor tooth R corresponding to counterclockwise advance4Inner rotor teeth R1424, outer torque teeth W1Inner torque tooth W2Rotor tooth outside rotor tooth R corresponding to counterclockwise advance9Inner rotor teeth R1924 deg., then giving an outside torque tooth Z1Inner torque tooth Z2Outer torque teeth W1Inner torque tooth W2The winding on the motor is electrified to ensure that the inner rotor and/or the outer rotor continuously rotate for 24 degrees and ensure that the torque teeth Z on the outer side1Inner torque tooth Z2And outer rotor teeth R4Inner rotor teeth R14Aligned, outboard torque teeth W1Inner torque tooth W2And outer rotor teeth R9Inner rotor teeth R19Aligned as shown in fig. 7. Final outside torque tooth X1Inner torque gear X2And outboard torque teeth U1Inner side torque tooth U2The winding is electrified, so that the inner rotor and/or the outer rotor continuously rotate for 24 degrees, an electrified period is formed, continuous rotation of the rotor is realized, continuous electromagnetic torque is generated, and no torque dead zone exists.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. An inner and outer double-rotor six-suspension-pole switched reluctance motor is characterized by comprising a stator, an inner rotor and an outer rotor; the stator comprises a left motor stator core, a right motor stator core, a permanent magnet ring (5) and two magnetism isolating aluminum rings (6); left side motor stator core, right motor stator core are divided into left outside motor stator core (1), left side inboard motor stator core (3) and right outside motor stator core (2), right side inboard motor stator core (4) by its magnetism isolating aluminum ring (6) that correspond respectively, the outer circumference of left side outside motor stator core (1), right side outside motor stator core (2) is six outside suspension teeth and six outside torque teeth of evenly distributed respectively and six outside suspension teeth and six outside torque teeth interval sets up, is six left outside suspension teeth A respectivelyl1、Bl1、Cl1、Dl1、El1、Fl1Six right outer suspension teeth Ar1、Br1、Cr1、Dr1、Er1、Fr1Six left outer torque teeth Xl1、Yl1、Zl1、Ul1、Vl1、Wl1Six right outer torque teeth Xr1、Yr1、Zr1、Ur1、Vr1、Wr1(ii) a The inner circumferences of the left inner side motor stator core (3) and the right inner side motor stator core (4) are uniformly distributed with six inner side suspension teeth and six inner side torque teeth, and the six inner side suspension teeth and the six inner side torque teeth are distributedThe rectangular teeth are arranged at intervals and are respectively six left inner side suspension teeth Al2、Bl2、Cl2、Dl2、El2、Fl2Six right inner side suspension teeth Ar2、Br2、Cr2、Dr2、Er2、Fr2Six left inner torque teeth Xl2、Yl2、Zl2、Ul2、Vl2、Wl2And six right internal torque teeth Xr2、Yr2、Zr2、Ur2、Vr2、Wr2(ii) a Six left outside torque teeth Xl1、Yl1、Zl1、Ul1、Vl1、Wl1Six right outer torque teeth Xr1、Yr1、Zr1、Ur1、Vr1、Wr1Six left inner torque teeth Xl2、Yl2、Zl2、Ul2、Vl2、Wl2And six right internal torque teeth Xr2、Yr2、Zr2、Ur2、Vr2、Wr2The motor stator core is connected with a left outer side motor stator core (1), a right outer side motor stator core (2), a left inner side motor stator core (3) and a right inner side motor stator core (4) through a magnetic isolation block (7) respectively; the permanent magnet ring (5) is connected with the left outer motor stator core (1), the left inner motor stator core (3), the right outer motor stator core (2) and the right inner motor stator core (4); the outer rotor comprises an outer rotor core (8), the inner rotor comprises an inner rotor core (9), and ten left outer rotor teeth R are uniformly distributed on the inner circumference of the outer rotor core (8) corresponding to the left outer motor stator core (1) and the right outer motor stator core (2) respectivelyl1~Rl10And ten right outer rotor teeth Rr1~Rr10(ii) a Ten left inner rotor teeth R are uniformly distributed on the outer circumference of the inner rotor core (9) corresponding to the left inner motor stator core (3) and the right inner motor stator core (4) respectivelyl11~Rl20And ten right inside rotor teeth Rr11~Rr20。
2. The inner and outer dual-rotor six-suspension-pole switched reluctance motor of claim 1, wherein the inner suspension teeth and the outer suspension teeth are wound with suspension windings; and torque windings are respectively wound on the inner side torque teeth and the outer side torque teeth.
3. The inner and outer dual-rotor hexa-floating-pole switched reluctance machine of claim 1, wherein the left outer rotor teeth Rl1~Rl10And right outer rotor teeth Rr1~Rr10An outer air gap (10) is formed between the left outer motor stator core (1) and the right outer motor stator core (2); the left inner rotor tooth Rl11~Rl20And right inner rotor teeth Rr11~Rr20An inner air gap (11) is formed between the left inner motor stator core (3) and the right inner motor stator core (4) respectively.
4. The inner and outer double-rotor six-suspension-pole switched reluctance motor according to claim 1, wherein the difference between the axes of the suspension teeth on the stator cores of each motor is 60 degrees, and the right outer side suspension tooth ar1Left outer suspension tooth Al1Right inner side suspension tooth Ar2Left inner side suspension tooth Al2Are all aligned with the + x direction.
5. The inner and outer dual-rotor six-suspended-pole switched reluctance motor of claim 2, wherein windings on two opposite suspended teeth of the inner suspended tooth and the outer suspended tooth are connected in series or in parallel in the same direction; the inner torque teeth and the outer torque teeth are of U-shaped structures which are arranged along the axial direction, the opening ends of the U-shaped structures face the inner rotor and the outer rotor respectively, and torque windings which are connected in series or in parallel in an opposite direction are wound on the inner torque teeth and the outer torque teeth of the U-shaped structures respectively.
6. The inner and outer dual rotor hexa-suspension pole switched reluctance machine of claim 1, whereinCharacterized in that the right outer suspension tooth Ar1、Br1、Cr1、Dr1、Er1、Fr1Left outer suspension tooth Al1、Bl1、Cl1、Dl1、El1、Fl1Right inner side suspension tooth Ar2、Br2、Cr2、Dr2、Er2、Fr2Left inner side suspension tooth Al2、Bl2、Cl2、Dl2、El2、Fl2Arranged on the circumference, with the radian being 36 degrees; the radians of a left outer rotor tooth and a right outer rotor tooth on the inner circumference of the outer rotor core (8) and the radians of a left inner rotor tooth and a right inner rotor tooth on the outer circumference of the inner rotor core (9) are all 18 degrees; left outer side torque tooth Xl1、Yl1、Zl1、Ul1、Vl1、Wl1Right outer torque tooth Xr1、Yr1、Zr1、Ur1、Vr1、Wr1And the left inner side torque tooth Xl2、Yl2、Zl2、Ul2、Vl2、Wl2Right inner torque tooth Xr2、Yr2、Zr2、Ur2、Vr2、Wr2Each torque tooth arc of (a) is 18.
7. The inner and outer dual rotor hexa-floating pole switched reluctance machine of claim 6, wherein when the right outer side torque tooth X is rotatedr1Right inner torque tooth Xr2Left outer torque tooth Xl1Left inner torque tooth Xl2Respectively with the right outer rotor teeth Rr2Right inner rotor tooth Rr12Left outer rotor tooth Rl2Left inner rotor tooth Rl12Axis aligned, right outboard torque tooth Ur1Right inner torque tooth Ur2Left outer torque tooth Ul1Left inner side torque tooth Ul2Respectively with the right outer rotor teeth Rr7Right inner rotor tooth Rr17Left outer rotor tooth Rl7Left inner rotor tooth Rl17Right outboard torque tooth Y with aligned axesr1Right inner torque tooth Yr2Left outer torque tooth Yl1Left inner torque tooth Yl2Respectively leading the right outer rotor teeth R counterclockwiser3Right inner rotor tooth Rr13Left outer rotor tooth Rl3Left inner rotor tooth Rl13Has an angle of 24, right outer torque tooth Vr1Right inner torque tooth Vr2Left outer torque tooth Vl1Left inner torque tooth Vl2Counterclockwise leading right outer rotor tooth Rr8Right inner rotor tooth Rr18Left outer rotor tooth Rl8Left inner rotor tooth Rl18Has an angle of 24, right outer torque tooth Zr1Right inner torque tooth Zr2Left outer torque tooth Zl1Left inner torque tooth Zl2Left outer rotor tooth R with counterclockwise lagr6Right inner rotor tooth Rr16Left outer rotor tooth Rl6Left inner rotor tooth Rl16Has an angle of 24, right outer torque tooth Wr1Right inner side Wr2Left outer torque tooth Wl1Left inner torque tooth Wl2Left outer rotor tooth R with counterclockwise lagr1Right inner rotor tooth Rr11Left outer rotor tooth Rl1Left inner rotor tooth Rl11Is 24 degrees.
8. The inner and outer double-rotor six-suspended-pole switched reluctance motor according to any one of claims 1 to 7, wherein the left outer motor stator core (1), the left inner motor stator core (3), the right outer motor stator core (2), the right inner motor stator core (4), the outer rotor core (8) and the inner rotor core (9) are formed by laminating silicon steel sheets.
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| CN202022045760.8U CN212572338U (en) | 2020-09-17 | 2020-09-17 | Internal and external double-rotor six-suspension-pole switched reluctance motor |
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| CN202022045760.8U CN212572338U (en) | 2020-09-17 | 2020-09-17 | Internal and external double-rotor six-suspension-pole switched reluctance motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111953164A (en) * | 2020-09-17 | 2020-11-17 | 淮阴工学院 | Six-suspension-pole internal and external double-rotor type magnetic suspension sheet switch reluctance motor |
| CN115296495A (en) * | 2022-09-26 | 2022-11-04 | 江苏杰尔仕实业有限公司 | Four-suspension-pole internal and external double-rotor type magnetic suspension switched reluctance motor |
-
2020
- 2020-09-17 CN CN202022045760.8U patent/CN212572338U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111953164A (en) * | 2020-09-17 | 2020-11-17 | 淮阴工学院 | Six-suspension-pole internal and external double-rotor type magnetic suspension sheet switch reluctance motor |
| CN115296495A (en) * | 2022-09-26 | 2022-11-04 | 江苏杰尔仕实业有限公司 | Four-suspension-pole internal and external double-rotor type magnetic suspension switched reluctance motor |
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Assignee: JIANGSU JIARUIFENG ELECTROMECHANICAL EQUIPMENT Co.,Ltd. Assignor: HUAIYIN INSTITUTE OF TECHNOLOGY Contract record no.: X2021980008104 Denomination of utility model: An internal and external double rotor six suspended pole switched reluctance motor Granted publication date: 20210219 License type: Common License Record date: 20210823 |
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