WO2015019625A1 - 磁力回転装置、電動機、および電動発電機 - Google Patents
磁力回転装置、電動機、および電動発電機 Download PDFInfo
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- WO2015019625A1 WO2015019625A1 PCT/JP2014/004158 JP2014004158W WO2015019625A1 WO 2015019625 A1 WO2015019625 A1 WO 2015019625A1 JP 2014004158 W JP2014004158 W JP 2014004158W WO 2015019625 A1 WO2015019625 A1 WO 2015019625A1
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- Prior art keywords
- rotor
- permanent magnet
- magnetic pole
- permanent magnets
- iron core
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- 238000004804 winding Methods 0.000 claims abstract description 45
- 239000000696 magnetic material Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 225
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/141—Stator cores with salient poles consisting of C-shaped cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/141—Stator cores with salient poles consisting of C-shaped cores
- H02K1/143—Stator cores with salient poles consisting of C-shaped cores of the horse-shoe type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2746—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets arranged with the same polarity, e.g. consequent pole type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K47/00—Dynamo-electric converters
- H02K47/18—AC/AC converters
- H02K47/20—Motor/generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
Definitions
- the present invention relates to a magnetic rotating device, an electric motor, and a motor generator.
- Patent Documents 1 to 3 a stator in which a plurality of iron cores having a winding wire are arranged at equal intervals along the circumferential direction, and a state in which a plurality of permanent magnets are arranged at equal intervals in the circumferential direction and face the stator.
- Patent Document 1 discloses a magnetic rotation in which various pulse currents are caused to flow in the winding when the rotating body is in various rotational positions so that a repulsive force is generated between the permanent magnet and the electromagnet using the winding.
- An apparatus is disclosed.
- Patent Document 2 includes a rotor in which a plurality of permanent magnets are arranged in the circumferential direction and a stator in which a plurality of electromagnets are arranged in the circumferential direction.
- the electromagnet is intermittently energized, and the permanent magnet and the electromagnet A magnetic rotating device that rotates a rotor by an attractive force and a repulsive force between them is disclosed.
- Patent Document 2 discloses that the detent torque (cogging torque) is reduced by making the number of permanent magnets and the number of electromagnets different from each other.
- Patent Document 3 discloses a one-way energization type brushless DC motor including an AC voltage output winding that directly generates electric power by rotating the rotating body while rotating the rotating body to function as a motor. .
- an electric motor or a generator by such a magnetic rotating device.
- a motor generator by forming a motor and a generator by a magnetic rotating device on the same axis.
- JP 2006-187080 A JP 2009-118705 A WO2009 / 060544
- the present invention has been made in view of the above-described problems, and an object thereof is to provide a highly efficient magnetic rotating device and motor generator that can further reduce detent torque.
- One of the magnetic rotating devices disclosed in the present specification includes a stator in which a plurality of iron cores having windings are arranged at equal intervals along the circumferential direction, and a plurality of permanent magnets along the circumferential direction. And a rotor that rotates in a state of being opposed to the stator, and each permanent magnet has a magnetic pole of either N pole or S pole.
- Each set of permanent magnet bodies including the two permanent magnets adjacent to each other in the circumferential direction, wherein the opposing magnetic pole surface, which is the magnetic pole surface on the side facing the iron core, is disposed so as to have an inclination angle with respect to the circumferential tangential direction.
- the two permanent magnets are arranged such that the two opposing magnetic pole surfaces are different from each other, and the inclinations with respect to the tangential direction of the circumference are opposite to each other, and the two opposing magnetic pole surfaces are So as to be the magnetic poles at both ends of the permanent magnet body It is magnetically connected by a connecting core made of magnetic material.
- a first rotor and a second rotor are provided, and the first rotor and the second rotor are included in the first rotor.
- the second phase angle that is the phase angle of the wire with respect to the iron core is arranged to be different from each other.
- the detent torque due to the attractive force between the iron core and the permanent magnet cancels each other out between the first rotor and the second rotor.
- the first phase angle and the second phase angle are set.
- one of the motor generators disclosed in the present specification is a motor generator provided with a motor and a generator, and the rotation shafts of which are provided in common, and the motor and the generator are respectively A stator in which a plurality of iron cores with a winding are arranged at equal intervals along the circumferential direction, and a plurality of permanent magnets are arranged at equal intervals in the circumferential direction and face the stator A rotor that rotates together with a shaft, and the angular interval in the circumferential arrangement of the plurality of iron cores and the angular interval in the circumferential arrangement of the plurality of permanent magnets are determined by the motor and the generator.
- Each of the permanent magnets has an N-pole or S-pole magnetic pole, and the opposing magnetic pole surface, which is the magnetic pole surface on the side facing the iron core, has an inclination angle with respect to the tangential direction of the circumference.
- Arranged to have a circumference In each set of permanent magnet bodies including two permanent magnets adjacent to each other in the direction, the two permanent magnets are inclined with respect to the tangential direction of the circumference so that the two opposing magnetic pole surfaces are different from each other.
- Two magnetic poles that are arranged opposite to each other and are magnetically connected by a connecting iron core made of a magnetic material so that the two opposing magnetic pole surfaces become magnetic poles at both ends of the permanent magnet body, and are adjacent in the circumferential direction.
- the magnetic poles of the opposing magnetic pole surfaces of the two permanent magnets on the side close to each other in the permanent magnet body are different from each other, and a center line passing through the rotation center in each set of the permanent magnet bodies included in the rotor of the electric motor
- a first phase angle that is a phase angle with respect to the iron core included in the stator of the motor and a center that passes through the center of rotation of each set of the permanent magnet bodies included in the rotor of the generator The rotor of the motor and the rotor of the generator rotate integrally with each other in a state where the second phase angle that is the phase angle with respect to the iron core included in the stator of the generator is shifted from each other. So that they are connected.
- another one of the motor generators disclosed in the present specification is that the magnetic poles of the opposed magnetic pole surfaces of the two permanent magnets on the side close to each other in the two permanent magnet bodies adjacent to each other in the circumferential direction.
- the rotor of the electric motor they are different from each other, and in the rotor of the generator, they are the same as each other.
- the rotor in the free state, is configured to stop in a state where at least a part of at least one opposed magnetic pole surface of each permanent magnet body faces an end surface of the iron core.
- the detent torque can be further reduced, and a highly efficient magnetic rotating device and motor generator can be provided.
- FIG. It is side surface sectional drawing of the motor generator of one Embodiment which concerns on this invention. It is front sectional drawing of the motor generator shown in FIG. It is a figure which expands and shows a part of FIG. It is a figure which expands and shows a part of FIG. It is the figure developed seeing from the arrow EE direction in FIG. It is a figure which shows the polarity etc. of the permanent magnet body in A motor of the 8-pole motor of 1st Example. It is a figure which shows the polarity etc. of the permanent magnet body in B motor of the 8-pole motor of 1st Example. It is a figure which shows the polarity etc. of the permanent magnet body in A generator of the 8-pole generator of 1st Example.
- FIG. 5 shows a diagram viewed from the direction of the arrow M1 in FIG. 2 corresponds to a cross-sectional view taken along the line AA-AA in FIG.
- FIG. 5 is a diagram in which the end surface of the iron core is viewed from the rotation center of the rotating shaft and is developed on a plane.
- the arrow DS indicates the circumferential direction
- the arrow DJ indicates the axial direction.
- FIGS. 1 and 2 are mainly intended to show the positional relationship of a stator, a rotor, an iron core, a permanent magnet, and a permanent magnet body, and various figures such as a stator and a rotor in the motor generator 1 are used. It does not precisely indicate the mechanical structure or connection relationship for supporting the members.
- the motor generator 1 includes an electric motor M1 and an electric generator G1, and the rotation shaft 11 is provided in common.
- the electric motor or generator of all the examples may be described as “motor M” and “generator G” as representative.
- the frame 21 is provided by a nonmagnetic material such as stainless steel so as to mechanically maintain the motor M1 and the generator G1, and forms the outer shape of the motor generator 1.
- the rotary shaft 11 is supported rotatably with respect to the frame 21 by a bearing provided on the frame 21.
- the electric motor M1 is composed of two parts, an A electric motor MA and a B electric motor MB.
- the generator G1 is composed of two parts, an A generator GA and a B generator GB.
- the basic structure of the electric motor M1 and the generator G1 is the same.
- the angular position and angular interval in the circumferential arrangement of the iron core 31 and the angular position and angular interval in the circumferential arrangement of the permanent magnet 41 are the same in the electric motor M1 and the generator G1.
- the same members are arranged at the same angular positions in the circumferential direction, that is, the rotation direction, and there is no phase difference between them.
- the electric motor M1 includes a rotating shaft 11, a stator 12, a rotor 13, a frame 21, and the like.
- the stator 12 includes a plurality of iron cores 31 each having a winding wire (coil) 32 arranged at equal intervals along the circumferential direction.
- the iron core 31 provided in the electric motor M1 may be described as “iron core MY”, and the iron core 31 provided in the generator G1 may be described as “iron core GY”.
- Each iron core 31 is formed by laminating a U-shaped or U-shaped silicon steel plate with a predetermined thickness, and has a body portion 311 at the center and leg portions 312a and 3b at both ends. .
- the front ends of the leg portions 312a and b are rectangular end surfaces 313a and b, respectively.
- the two end surfaces 313a and b are on the same plane and face the central direction of the rotating shaft 11.
- the winding wire 32 includes two winding wires 32a and 32b provided on the leg portions 312a and b of the iron core 31, respectively. By passing a current through the windings 32a and 32b, a magnetic flux and a magnetic field are generated in the iron core 31, and an electromagnet is obtained.
- the two windings 32a and 32b are connected in parallel, for example, and different current poles are formed on the end faces 313a and 313b by causing a current to flow in the iron core 31 so as to generate a magnetic flux in the same direction. That is, one of the end faces 313a, b is an N pole and the other is an S pole.
- the center lines LK passing through the centers of the iron cores 31 and passing through the center of the stator 12, that is, the rotation center of the rotor 13 (axial center of the rotation shaft 11) KC form a central angle of 30 degrees. ing.
- the interval between the end surfaces of the adjacent iron cores 31 is substantially the same as or slightly narrower than the width of the end surfaces.
- the rotor 13 includes an A rotor 13a that faces one leg 312a of the iron core 31, and a B rotor 13b that faces the other leg 312b. Since the A rotor 13a and the B rotor 13b rotate integrally and have basically the same structure, only the A rotor 13a will be described in detail, and the B rotor 13b will mainly be described as the A rotor 13a. The differences will be described.
- the A motor MA described above is constituted by the leg 312a side of the rotor 13 and the A rotor 13a
- the B motor described above is constituted by the leg 312b side of the rotor 13 and the B rotor 13b.
- An electric motor MB is configured.
- the permanent magnet 41 is a magnet (neodymium magnet) containing neodymium (or neodymium) as a component, and is formed in a rectangular parallelepiped shape, that is, a block shape as a whole.
- Two faces of the rectangular parallelepiped facing each other are magnetic pole faces 411a and 411b, and one of the magnetic pole faces 411a and 411b is an N pole and the other is an S pole.
- the side facing the iron core 31 is the magnetic pole surface 411a, and the opposite side is the magnetic pole surface 411b.
- the magnetic pole surface 411a on the side facing the iron core 31 may be referred to as “opposing magnetic pole surface” or “opposing magnetic pole surface TJ”.
- the permanent magnet 41 is arranged so that the opposing magnetic pole surface TK has an inclination angle ⁇ j with respect to the tangential direction of the circumference.
- the two permanent magnets 41 adjacent in the circumferential direction form a set of permanent magnet bodies JT. That is, when eight permanent magnets 41 are provided, four sets of permanent magnet bodies JT are formed.
- the two permanent magnets 41 are arranged such that the two opposing magnetic pole surfaces TK are different from each other. Moreover, the two opposing magnetic pole surfaces TK in the permanent magnet body JT are arranged so that the inclinations with respect to the tangential direction of the circumference are opposite to each other, that is, with an inclination angle ⁇ j in the opposite directions.
- the inclination angle ⁇ j is approximately 45 degrees.
- the permanent magnet 41 is a cube having a side of about 25 mm.
- the sizes of the end faces 313a, b of the iron core 31 are substantially the same as the length of the side of the permanent magnet 41 in both the vertical (axial direction) and horizontal (circumferential direction).
- a connecting iron core 42 made of a magnetic material is disposed between the two magnetic pole faces 411b of the two permanent magnets 41.
- the connecting iron core 42 has a trapezoidal front shape (see FIG. 4), the magnetic pole surfaces 411b of the two permanent magnets 41 are in contact with the inclined surfaces, and are attracted and integrated by the magnetic force.
- the permanent magnet body JT as a whole becomes one permanent magnet, and two magnetic pole surfaces 411a inclined toward the outer side in the radial direction, that is, opposing magnetic pole surfaces TK are formed at both ends thereof.
- the permanent magnet body JT is symmetrical with respect to a line (center line) LT passing through the center of the connecting iron core 42.
- This center line LT is a center line of the permanent magnet body JT, and is a line passing through the rotation center of the permanent magnet body JT, that is, the rotation center KC of the rotor 13.
- FIG. 4 shows a line (magnetic pole line) LU that passes through the portion of each permanent magnet 41 that is closest to the iron core 31, that is, the vertex TP that is the corner of the opposing magnetic pole surface TK, and passes through the rotation center KC. .
- the magnetic pole line LU coincides with the diagonal line of the permanent magnet 41.
- the center angle between two adjacent magnetic pole lines LU that is, the angle between the center lines passing through the apex TP, which is the corner of the two opposing magnetic pole surfaces TK in the permanent magnet body JT, is 45 degrees as described above. is there.
- each permanent magnet 41 is composed of one permanent magnet, but may be composed of a plurality of permanent magnets.
- one permanent magnet 41 may be configured by stacking a plurality of plate-shaped or rectangular parallelepiped permanent magnets.
- the connecting iron core 42 a plurality of trapezoidal connecting iron core members having the same inclination and different base lengths stacked like a jump box may be used. Further, as will be described later, the entire permanent magnet body JT may be composed of one permanent magnet.
- a side plate member 45, an intermediate member 46, and the like are provided to support the permanent magnet 41, the connecting iron core 42, and the permanent magnet body JT and to be connected to rotate integrally with the rotary shaft 11. Yes.
- the side plate member 45 is a disk-shaped member provided with a recess so as to sandwich and position each permanent magnet 41 and the connecting iron core 42 from both sides in the axial direction.
- the intermediate member 46 is a disk-like member provided with a hole so that each permanent magnet 41 and the connecting iron core 42 pass through and support the central portion in the axial direction thereof.
- the side plate member 45 and the intermediate member 46 are made of a synthetic resin that is a nonmagnetic material and is an insulator.
- the side plate member 45 and the intermediate member 46 are fixed to a cylindrical bush 47 through which the rotary shaft 11 passes.
- the bush 47 is rotated integrally with the rotary shaft 11 by a key 48.
- the material and shape of the side plate member 45 and the intermediate member 46 can be various other than those described above.
- the B rotor 13b is basically the same as the structure of the A rotor 13a described above, and the polarities of the opposed magnetic pole surfaces TK are different from each other.
- a plurality of permanent magnets 41 are arranged at equal intervals along the circumferential direction, like the A rotor 13a. It rotates with the rotating shaft 11 in a state facing the stator 12, here in a state facing the end surface 313 b of the leg portion 312 b.
- the A rotor 13a and the B rotor 13b overlap with each other in the arrangement of the permanent magnet 41 and the permanent magnet body JT when viewed from the front direction and the direction along the suspension rotation axis 11. Therefore, the respective center lines LT also coincide with each other and overlap.
- the same members are arranged at the same angular positions in the circumferential direction, that is, in the rotation direction, with respect to the arrangement of the permanent magnet 41 and the permanent magnet body JT. There is no phase difference between 13a and the B rotor 13b.
- the polarities of the magnetic poles in the permanent magnet 41 are different between the A rotor 13a and the B rotor 13b (that is, opposite).
- the magnetic poles of the end face 313a and the end face 313b of the iron core 31 have different polarities (that is, they are opposite), and therefore the polarities of the magnetic poles of the permanent magnet 41 are different between the A rotor 13a and the B rotor 13b.
- the opposing magnetic pole surface TK in the A rotor 13a has an N pole
- the opposing magnetic pole surface TK in the B rotor 13b has an S pole.
- the generator G1 is basically the same as the structure of the electric motor M1 as described above.
- the generator G1 includes the rotating shaft 11, the stator 16, the rotor 17, the frame 21, and the like.
- the rotating shaft 11 and the frame 21 are common throughout the motor generator 1.
- the twelve iron cores 31 provided with the winding wires 32 are equally spaced on the circumference, that is, the central angle between the adjacent iron cores 31 is 30 degrees. Is arranged.
- the rotor 17 includes an A rotor 17a that faces one leg 312a of the iron core 31 of the stator 16 and a B rotor 17b that faces the other leg 312b, and these are the rotor 13 of the electric motor M1. And basically the same structure.
- the A rotor 17a and the B rotor 17b rotate integrally and have basically the same structure.
- the rotational angle positions of the rotors 13 and 17 shown in FIGS. 1 to 5 show an example in a state where the rotation is stopped.
- the rotor 13 in the electric motor M1 is an example of the “first rotor” in the present invention
- the rotor 17 in the generator G1 is an example of the “second rotor” in the present invention.
- FIG. 6 shows the polarity of the magnetic pole in the A rotor 13a of the electric motor M1
- FIG. 7 shows the polarity of the magnetic pole in the B rotor 13b of the electric motor M1.
- 8 shows the polarity of the magnetic poles in the A rotor 17a of the generator G1
- FIG. 9 shows the polarity of the magnetic poles in the B rotor 17b of the generator G1.
- the A rotor 13a, the B rotor 13b, the A rotor 17a, and the B rotor 17b show the rotational angle positions at the same time, and these are relative positional relationships in the circumferential direction. Rotate simultaneously while maintaining
- the stators 12 and 16 each show a case where twelve iron cores 31 are arranged at equal intervals.
- the rotor 13 is in a free state in which no current flows through the winding 32 and no external rotational force is applied to the rotating shaft 11.
- 17 shows one possible rotation angle position.
- each vertex TP of the permanent magnet 41 is in a position very close to the edge of the end surface 313a of the iron core 31.
- the two vertices TP of the permanent magnet body JT are very close to the far ends of the two end surfaces 313a of the adjacent iron cores 31.
- the two vertices TP of the permanent magnet body JT are very close to the edges of the two end surfaces 313a of the two iron cores 31 arranged with the one iron core 31 in between, on the sides close to each other. That is, in the generator G1, the opposing magnetic pole surface TK of the permanent magnet body JT faces the end surface 313a of the iron core 31, respectively.
- This state in the generator G1 is a state in which the attractive force between the permanent magnet body JT and the iron core 31 is strong, and the attractive force between the four sets of permanent magnet bodies JT and the iron core 31 is also large. It is a strong state. As will be described later, the position where the rotors 13 and 17 actually stop in the free state is the strength of the total attractive force between the permanent magnet body JT of the rotors 13 and 17 and the iron core 31. by.
- three iron cores 31 adjacent in the circumferential direction are set as one set of iron core groups, they are divided into four iron core groups of 1 to 4. Further, for each set of iron core groups, the three iron cores 31 are designated as A phase, B phase, and C phase counterclockwise in the figure.
- the iron core 31 at the uppermost position is “YA1”, and “YB1” and “YC1” are counterclockwise.
- “YA2”, “YB2”, and “YC2” are set, and “YA3”, “YB3”, “YC3”, “YA4”, “YB4”, and “YC4” are set.
- the first “Y” of each symbol represents “iron core”.
- the permanent magnet body JT at the uppermost position is “E1”, and “E2”, “E3”, and “E4” are counterclockwise.
- the shoreline 32 provided in the A motor MA may be described as “MCA”.
- the feeder line 32 provided in the B motor MB, the A generator GA, and the B generator GB may be described as “MCB”, “GCA”, and “GCB”, respectively.
- the wire 32 wound around the iron core 31 of “YA1” may be described as “CA1”, the wire 32 wound around the iron core 31 of “YB1” as “CB1”, and the like.
- the eight permanent magnets 41 are arranged so that the N pole and the S pole appear alternately on the opposing magnetic pole surface TK.
- the A rotor 13a in FIG. 6 and the B rotor 13b in FIG. 7 and the A rotor 17a in FIG. 8 and the B rotor 17b in FIG. 9 have opposite polarities.
- the eight permanent magnets 41 are arranged in two circumferentially adjacent permanent magnet bodies JT (E1 to E4).
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets 41 on the sides close to each other are different from each other.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets E1S and E2N adjacent to each other are respectively S pole and N pole, which are different from each other.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets E1N and E4S are N and S poles, respectively, and are different from each other.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets E1N and E2S adjacent to each other are respectively N pole and S pole, which are different from each other.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets E1S and E4N are the S pole and the N pole, respectively, and are different from each other.
- the right permanent magnet 41 in the permanent magnet body JT is 7.5 degrees to the right (minus side) of the center line LK of the iron core 31, and the left permanent magnet 41 is to the left (plus side) of the center line LK. The positions are shifted by 7.5 degrees.
- the eight permanent magnets 41 include two permanent magnet bodies JT (E1 to E4) adjacent in the circumferential direction.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets 41 on the sides close to each other are different from each other.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets E1S and E2N adjacent to each other are respectively S pole and N pole, which are different from each other.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets E1N and E4S are N and S poles, respectively, and are different from each other.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets E1N and E2S on the sides close to each other are respectively N pole and S pole, which are different from each other.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets E1S and E4N are the S pole and the N pole, respectively, and are different from each other.
- the eight magnetic poles are formed at the same position by the eight permanent magnets 41, respectively, which means eight poles.
- the permanent magnet body JT facing the iron core 31 has two center cores LT opposed to the two permanent magnets 41. That is, it coincides with the center line LK of the iron core 31 between them.
- the central angles (phase angles) ⁇ 1 and ⁇ 2 in the electric motor M1 are described as central angles (phase angles) ⁇ 1M and ⁇ 2M, and the central angles (phase angles) ⁇ 1 and ⁇ 2 in the generator G1 are described as central angles (phases).
- Angle may be described as ⁇ 1G and ⁇ 2G.
- 12 and the first phase angle ⁇ 2M which is the phase angle with respect to the iron core 31 included in 12
- the generator G1 of the center line LT passing through the rotation center in each set of permanent magnet bodies JT included in the rotor 17 of the generator G1.
- the rotor 13 of the motor M1 and the rotor 17 of the generator G1 rotate integrally with the second phase angle ⁇ 2G, which is the phase angle with respect to the iron core 31 included in the stator 16, being shifted from each other. It is connected to.
- the first phase angle ⁇ 2 ( ⁇ 2M) shown in FIGS. 6 and 7 is 15 degrees
- the second phase angle ⁇ 2 ( ⁇ 2G) shown in FIGS. 8 and 9 is 30 degrees.
- the rotor 13 of the electric motor M1 and the rotor 17 of the generator G1 are connected so that the position of the permanent magnet body JT (center line LT) has a phase difference of 45 degrees, and rotate in that state. It has become.
- the rotor 13 of the electric motor M1 and the rotor 17 of the generator G1 are related to the arrangement of the permanent magnet 41 and the permanent magnet body JT.
- the magnetic pole lines LU of the permanent magnet 41 facing the iron core YA1 are symmetrical and have a line-symmetric relationship.
- the rotor 13 of the motor M1 and the rotor 17 of the generator G1 are in a mirror image relationship with the magnetic pole line LU shifted 7.5 degrees from the center line LT of the iron core YA1 as the center line. is there.
- the efficiency of the motor generator 1 is improved by reducing the detent torque.
- FIGS. 8 and 9 an attractive force acts between the opposing magnetic pole surface TK of each permanent magnet body JT and the two iron cores 31 facing each other.
- the suction force becomes the detent torque.
- the position shown in FIGS. 8 and 9 is one of the stable positions of the rotor 17 in the free state.
- the rotor 13 of the motor M1 and the rotor 17 of the generator G1 have a phase difference of 45 degrees between the permanent magnet bodies JT.
- the same state is obtained every 30 degrees, and the change in the magnitude and direction of the detent torque takes 30 degrees as one cycle. Repeated. Therefore, regarding the change in the detent torque, the phase difference between the rotor 13 of the electric motor M1 and the rotor 17 of the generator G1 is 15 degrees (45 degrees-30 degrees).
- the rotor 13 of the electric motor M1 and the rotor 17 of the generator G1 are in opposite phases with respect to changes in the detent torque by the permanent magnet 41, and the respective detent torques cancel each other,
- the combined detent torque is zero or significantly reduced. That is, in a free state, the detent torque does not act on the rotating shaft 11, and the rotating shaft 11 can be easily rotated by hand.
- the rotor 13 of the electric motor M1 and the rotor 17 of the generator G1 can be stationary at any angular position without being specified in the angular positions shown in FIGS.
- the stop position in the free state can be set as desired by appropriately selecting and designing the strength of the magnetic force of the opposing magnetic pole surface TK of the permanent magnet body JT of the rotors 13 and 17 and the size of the gap with the iron core 31. It can be a position.
- 8-pole motor and 4-pole generator In the motor generator 1 of the first embodiment described above, the generator G1 has eight magnetic poles formed by the permanent magnet body JT. In the motor generator 1B of the second embodiment described here, a generator G1B having four poles formed by the permanent magnet body JT is used.
- the motor generator 1B here includes the motor M1 and the generator G1B, and the rotation shaft 11 is provided in common.
- the electric motor M1 has the same eight poles as described above.
- the generator G1B compared with the generator G1 described above, the output frequency for the same rotational speed is halved. Therefore, when the frequency is too high in the 8-pole generator G1, the motor generator 1B using the 4-pole generator G1B is used.
- FIG. 10 and 11 show cross-sections at respective positions along the CC-CC line and the DD-DD line in FIG. 1 when the magnetic pole formed by the permanent magnet body JT of the rotor 17 of the generator G1B has four poles. An arrow view is shown.
- FIG. 10 shows the polarities of the magnetic poles in the A rotor 17Ba constituting the A generator GAB of the generator G1B of the second embodiment
- FIG. 11 shows the B constituting the B generator GBB of the generator G1B.
- the polarity of the magnetic pole in the rotor 17Bb is shown.
- the rotor 13 and the rotor 17B are offset from each other by 45 degrees in the angular position where the connecting iron core 42 is disposed. Therefore, there is a 45 degree shift in the angular position of the permanent magnet body JT.
- the angular positions of the rotor 13 and the rotor 17B at which the permanent magnet 41 is arranged coincide with each other and overlap each other.
- the rotor 13 of the electric motor M1 and the rotor 17B of the generator G1B are the first number of poles which is the number of magnetic poles formed by all the permanent magnet bodies JT included in the rotor 13 of the electric motor M1.
- a magnetic pole of the surface TK is arranged.
- the magnetic poles of the two opposing magnetic pole surfaces TK on the side close to each other in the two permanent magnet bodies JT adjacent in the circumferential direction are the same.
- a first phase angle that is a phase angle in each set of permanent magnet bodies JT included in the rotor 13 and a second phase angle that is a phase angle in each set of permanent magnet bodies JT included in the rotor 17B. are connected to each other so that the rotor 13 and the rotor 17B rotate integrally.
- 4n permanent magnet bodies JT are formed by 8n (n is an integer) permanent magnets 41 arranged on the circumference, and in the two permanent magnet bodies JT adjacent in the circumferential direction.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets 41 on the sides close to each other are different from each other, thereby forming an 8n-pole magnetic pole.
- 4m permanent magnet bodies JT are formed by 8m (m is an integer) permanent magnets 41 arranged on the circumference, and in the two permanent magnet bodies JT adjacent in the circumferential direction.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets 41 on the sides close to each other are the same, thereby forming a 4 m-pole magnetic pole.
- both n and m are 1.
- the rotor 17B includes an A rotor 17Ba and a B rotor 17Bb that rotate integrally with each other.
- the A rotor 17Ba and the B rotor 17Bb have the same basic structure although the polarities of the opposing magnetic pole surfaces TK are different from each other.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets E1S and E2S adjacent to each other are Are also S poles and are the same as each other.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets E1N and E4N are both N poles and are the same as each other.
- the S pole is formed by the permanent magnets E1S and E2S
- the N pole is formed by the permanent magnets E2N and E3N
- the S pole is formed by the permanent magnets E3S and E4S
- the N pole is formed by the permanent magnets E4N and E1N.
- the number (second pole number NP2) is 4.
- the positions of these magnetic poles are intermediate positions between adjacent permanent magnet bodies JT, and are positions shifted by 45 degrees with respect to the magnetic pole line LU of each permanent magnet body JT.
- the phase angle of the permanent magnet body JT differs between the motor M1 and the generator G1
- the detent torque due to the attractive force between the iron core 31 and the permanent magnet 41 is different between the motor M1 and the generator.
- G1 cancels each other, and the detent torque is reduced.
- a magnetic pole may be arranged.
- the following magnetic pole arrangement may be used.
- the permanent magnet body JT is arranged as shown in FIGS. 8 and 9 for the generator G1, and the polarities of the opposing magnetic pole surfaces TK are close to each other.
- the magnetic poles of the opposing magnetic pole surfaces TK of the two permanent magnets 41 on the same side are made the same. That is, in this case, the number of poles (second pole number NP2) of the rotor 17 of the generator G1 is four.
- the phase angle of the rotor 17B is shifted 45 degrees to either the left or right of the position shown in FIGS.
- phase angles (rotational angle positions) of the rotors 13, 17, 17B and the like are relative angular positions with respect to the iron core 31 of the stators 12, 16, the angular positions of the rotors 13, 17, 17B are changed. Instead of or together with this, the arrangement (phase angle) of the iron cores 31 of the stators 12 and 16 may be changed.
- the detent torque is canceled between the electric motor M1 and the generators G1 and G1B.
- a plurality of detent torques are canceled in each of the electric motor M1 and the generators G1 and G1B.
- the arrangement of the rotors 13, 17, 17B or the iron core 31, the magnetic pole, the phase angle, etc. may be set.
- 8-pole motor-8-pole generator Next, the motor generator 1C of the third embodiment will be described.
- the motor generator 1C of the third embodiment includes an electric motor M1C and a generator G1C.
- FIG. 12 shows the polarity of the magnetic pole in the A rotor 13Ca of the electric motor M1C
- FIG. 13 shows the polarity of the magnetic pole in the B rotor 13Cb of the electric motor M1C
- FIG. 14 shows the polarity of magnetic poles in the A rotor 17Ca of the generator G1C
- FIG. 15 shows the polarity of magnetic poles in the B rotor 17Cb of the generator G1C.
- the electric motor M1C of the third embodiment has the same structure as the electric motor M1 of the first embodiment.
- the rotor 13C stops in a state where at least a part of at least one opposed magnetic pole surface TK in each permanent magnet body JT faces the end surface of the iron core 31 in a free state.
- each vertex TP which is a corner near the iron core 31 in the two opposing magnetic pole surfaces TK, is the vertex TP of the opposing magnetic pole surface TK behind the rotor 13C in the rotation direction.
- the apex TP of the opposing magnetic pole surface TK that is located at the end edge on the front side in the rotation direction of the rotor 13C on the end surface of the facing iron core 31 and that rotates on the end surface of the facing iron core 31 with respect to the vertex TP of the counter magnetic pole surface TK in the front in the rotation direction of the rotor 13C. It stops in a state where it is located at the edge on the rear side in the rotational direction of the child 13C.
- twelve iron cores 31 are arranged at a central angle of 30 degrees between adjacent iron cores, and in the rotor 13 ⁇ / b> C, by eight permanent magnets 41 arranged on the circumference.
- Four permanent magnet bodies JT are formed, and the eight vertexes TP of the eight permanent magnets 41 are arranged with a center angle between the vertices of 45 degrees, and two opposing magnetic pole surfaces TK in each permanent magnet body JT. are stopped in a state of facing the end surfaces of the two iron cores 31 arranged with one iron core 31 interposed therebetween.
- FIGS. 12 and 13 show the magnetic pole lines LU passing through the respective vertices TP and passing through the rotation center KC.
- the center angle of two adjacent magnetic pole lines LU is 45 degrees as described above.
- the rotor 13C of the third embodiment is stopped at a position rotated 15 degrees to the left than the rotor 13 of the first embodiment shown in FIG.
- the vertex TP is located just at the edge of the end surface of the iron core 31 on the rear side in the rotation direction, and each counter magnetic pole surface TK of each permanent magnet body JT is It stops so as to face each end face.
- each opposing magnetic pole surface TK of each permanent magnet body JT faces the end surface of the iron core 31, it can be said that the detent torque due to the attractive force between the iron core 31 and the permanent magnet body JT is large.
- the generator G1C of the third embodiment has a rectangular shape when viewed from the axial direction, and N and S magnetic poles are formed along the circumferential tangential direction.
- the eight permanent magnets 51 are used. That is, as each permanent magnet 51, the permanent magnet 51 having a rectangular parallelepiped shape substantially the same as the permanent magnet 41 used for the permanent magnet body JT is used as it is.
- any of the permanent magnets F1 to F8 may be referred to as “permanent magnet F”.
- the permanent magnets F are arranged so that the polarities of the opposing magnetic pole faces of the permanent magnets F adjacent in the circumferential direction are the same. Further, the end edge of the magnetic pole surface of each permanent magnet 51 is in a position substantially coincident with the end edge of the iron core 31. Therefore, with respect to the rotor 17C, in this state, the detent torque due to the attractive force between the iron core 31 and the permanent magnet F is large.
- the detent torque is maximized in the state shown in FIGS. 12 to 15 in any of the rotors 13C and 17C of the motor M1C and the generator G1C.
- the combined detent torque for the rotors 13C and 17C is the largest. As a result, in the free state, it stops in the state shown in the figure.
- each permanent magnet 41 substantially coincides with the end edge of the iron core 31 and the counter magnetic pole surface TK substantially faces the end surface of the iron core 31 is described. did.
- the rotational torque at the start of the start becomes maximum and contributes to a smooth start.
- only one of the two opposing magnetic pole faces TK in each permanent magnet body JT may face the end face of the iron core 31, or a part of both or one of the opposing magnetic pole faces TK. Even in a state where the end faces the end surface of the iron core 31, smooth start-up is possible if sufficient rotational torque is obtained.
- the detent torque is as small as possible, and the start-up current is small and the start-up is easy. Therefore, it is only necessary to select various dimensions and shapes of the opposing magnetic pole surface TK of the permanent magnet body JT, the permanent magnet 51, the end surface of the iron core 31, and the like so as to obtain optimum starting characteristics.
- the 8-pole motor M1C is used, but the number of poles may be other than this, for example, 4 poles, 12 poles, or 16 poles as described below. Further, the generator G1C can be variously changed such as the number, arrangement, orientation, size, and shape of the permanent magnets 51.
- the combination of the electric motor M1C and the generator G1C can be changed in various ways, and the arrangement, magnetic poles, phase angle, etc. of the rotors 13C, 17C or the iron core 31 may be set in various ways.
- the electric motor M1C may be used as a single unit.
- 16 pole motor-8 pole generator Next, the motor generator 1D of the fourth embodiment will be described.
- the motor generator 1D of the fourth embodiment includes an electric motor M1D and a generator G1D.
- FIG. 16 shows the polarity of the magnetic poles in the A rotor 13Da of the electric motor M1D.
- FIG. 17 shows the polarity of the magnetic poles in the A rotor 17Da of the generator G1D. Note that the B rotor 13Db of the motive M1D and the B rotor 17Db of the generator G1D have the same relationship as in the other embodiments, and thus description thereof is omitted here.
- the rotor 13D of the electric motor M1D of the fourth embodiment includes eight permanent magnet bodies JTD, which are equidistant on the circumference, that is, between the adjacent permanent magnet bodies JTD.
- the central angle is 45 degrees.
- Each permanent magnet body JTD includes two permanent magnets 41D and one connecting iron core 42D.
- the two permanent magnets 41D are arranged such that the opposing magnetic pole surfaces TK are different magnetic poles.
- the two opposing magnetic pole surfaces TK are arranged so that the inclinations with respect to the tangential direction of the circumference are opposite to each other, that is, with an inclination angle ⁇ j in the opposite directions.
- the inclination angle ⁇ j is approximately 60 degrees.
- the connecting iron core 42D has a triangular front shape.
- the magnetic poles of the permanent magnet body JTD are different from each other in the opposing magnetic pole surface TK of the permanent magnet bodies JTD adjacent in the circumferential direction.
- the rotor 13D of the generator G1D of the fourth embodiment includes eight permanent magnet bodies JTD having the same structure as that of the electric motor M1D.
- the magnetic poles of the permanent magnet body JTD have the same magnetic poles on the opposing magnetic pole surfaces TK of the permanent magnet bodies JTD adjacent in the circumferential direction.
- the detent torque synthesized with respect to the rotors 13D and 17D becomes the largest in the state shown in FIGS.
- the rotor 13D in the free state, is in the state shown in FIG. 16, that is, at least a part of at least one opposed magnetic pole surface TK in each permanent magnet body JTD in the rotor 13D faces the end surface of the iron core 31. It is designed to stop in a state where
- the rotor 13D can obtain a large rotational torque and smoothly start rotating.
- the position of the rotor 13D in the free state is different from the position shown in FIG. 16 as long as at least a part of the opposed magnetic pole surface TK in the rotor 13D stops in a state of facing the end surface of the iron core 31. Also good.
- the permanent magnet body JT is composed of two permanent magnets 41 and 41D and one connecting iron core 42 and 42D. However, since the permanent magnet body JT uses its magnetism to obtain rotational torque, if the magnetic function is the same, it can be configured differently as described below. is there. The same applies to the permanent magnet body JTD.
- FIG. 18 shows an example of the configuration of the permanent magnet body JT.
- 18A is a front view
- FIG. 18B is a side view.
- the permanent magnet body JT is formed by integrally forming two permanent magnets 41 and two connecting iron cores 42 as one permanent magnet. That is, in the permanent magnet body JT, the two rectangular portions 41k whose shape (front shape) viewed from the axial direction is rectangular and the trapezoidal portion 41d disposed between the opposing surfaces of the two rectangular portions 41k are integrated. This is the shape.
- the two magnetic pole surfaces 411 a and 411 b at both ends of the permanent magnet body JT are opposed magnetic pole surfaces TJ that face the iron core 31 when they come to the front of the iron core 31.
- the “permanent magnet body” in the present invention can be configured by using a permanent magnet as one or a plurality of parts and, if necessary, a connecting iron core. [Regarding control, etc.] Next, control of the motor generators 1, 1B, 1C, 1D will be described.
- a photo interrupter 61 is provided to detect the rotational angle position of the rotary shaft 11.
- a shield disc 62 is attached to the rotating shaft 11 and rotates integrally. Depending on the rotational angle position of the shield disc 62, one or more photosensors in the photo interrupter 61 are turned on and off. Based on the on / off signal of the photo sensor of the photo interrupter 61, the rotation angle position of the rotating shaft 11, that is, the rotation angle positions of the rotors 13, 13C, 13D, 17, 17B, 17C, and 17D are detected.
- FIG. 19 shows an example of the configuration of the control device 71
- FIGS. 20 and 21 show how the control device 71 controls on / off of the current of the winding 32 of the electric motor M.
- FIG. FIG. 20 shows the control for the 8-pole motor M
- FIG. 21 shows the control for the 16-pole motor M.
- control device 71 includes a gate control unit 72 and a switching unit 73.
- Switching unit 73 includes an A-phase switching unit 73A, a B-phase switching unit 73B, and a C-phase switching unit 73C.
- the gate control unit 72 generates timing signals S2A, S2B, and S2C for turning on and off the current that flows through each winding 32 of the electric motor M based on the signal S1 output from the photo interrupter 61.
- the ON angle ⁇ 2 can be adjusted by changing the shielding angle or transmission angle in the shielding disc 62.
- the on-angle ⁇ 2 can be adjusted by expanding or narrowing a blackened portion of the shielding disc 62 so as to shield light.
- a dedicated photo interrupter 61 may be provided for each of the A phase, the B phase, and the C phase, and the rotation angle position may be detected for each phase.
- the ON angle ⁇ 2 can be adjusted by using an appropriate timer means and varying the time elapsed since the vertex TP was detected. In that case, it is possible to precisely adjust the on-angle ⁇ 2 by performing calculation using also the rotational speed signal of the electric motor M.
- the switching unit 73 for each phase receives the timing signals S2A, S2B, and S2C, and turns on and off the current that flows through the winding 32 of each phase based on this.
- the corresponding wire cores YA, YB, YC are connected in parallel to the output terminals of the switching units 73A, B, C of each phase.
- the switching unit 73 of each phase is adapted to repel the magnetic pole surface on the rear side in the rotation direction of the permanent magnet 41 and to attract the magnetic pole surface on the front side in the rotation direction of the permanent magnet 41.
- the current flowing through the winding 32 of each iron core YA, YB, YC is turned on and off.
- a DC current close to a square wave having a predetermined width and size flows through the winding 32.
- the waveform is distorted by an excessive phenomenon and an armature reaction.
- a power semiconductor switching element such as an FET or a bidirectional thyristor can be used to turn on and off the current flowing in the winding 32. These switching elements are controlled by inputting a control signal to the gate.
- the gate control unit 72 and the switching unit 73 described above are examples of the “switching unit” and the “timing control unit” in the present invention, respectively.
- the control device 71 is provided with terminals TB1 and 2 for supplying power, and a DC power supply is connected to the terminals TB1 and TB2.
- a DC power supply is connected to the terminals TB1 and TB2.
- the DC power source for example, a stabilized DC power source having a voltage of about several tens to hundreds of volts, for example, specifically about 80 V, or a battery can be used.
- the electric motor M can be driven and, for example, about 2 kW of commercial AC power can be extracted from the generator G.
- FIG. 20 shows the on / off timing of each phase corresponding to the rotational angle position of the rear vertex TP for the 8-pole motor M1C of the third embodiment.
- the current IA of the winding 32 of the iron core YA is turned on, and this current IA lasts for the on angle ⁇ 2.
- the vertex TP rotates and reaches the position of the on angle ⁇ 2 from the reference position, the current IA is turned off.
- the reference position for example, the position of the center line LK of the iron core 31 at the uppermost position can be used.
- the reference position is set to 0 degree.
- the opposing magnetic pole surface TK including the apex TP on the front side of the permanent magnet 41 on the rear side is the S pole
- the counter magnetic pole surface TK is attracted to the N pole on the end surface 313a of the iron core YA and generates a rotational torque in the left direction.
- the opposing magnetic pole surface TK including the apex TP on the rear side of the permanent magnet 41 of the B rotor 13Cb is the S pole
- the end surface 313b of the iron core YA is the S pole.
- FIG. 21 shows the on / off timing of each phase corresponding to the rotational angle position of the rear vertex TP for the 16-pole motor M1D of the fourth embodiment.
- the current IA of the winding 32 of the iron core YA is turned on, and this current IA lasts for the on angle ⁇ 2.
- the vertex TP rotates and reaches the position of the on angle ⁇ 2 from the reference position, the current IA is turned off.
- the angle ⁇ 2 is 15 degrees or less, and is turned on every 45 degrees, that is, twice, while the rotor 13D rotates 90 degrees.
- the angle ⁇ 2 can be 15 degrees or more.
- starting the motor generator 1 is basically the same as in the case of the motor generators 1C and 1D, but for starting from a state stopped at the position shown in FIGS. 6 and 7, for example,
- the iron core 31 on the front side of one of the iron cores 31 on which the front vertex TP is opposed so that a repulsive force acts between the iron core 31 on the rear side of the iron core 31 on which the side vertex TP is opposed. What is necessary is just to control as shown in FIG.
- both the north pole and the south pole of the permanent magnet 41 provided on the rotor 13 of the motor M ⁇ b> 1 are opposed magnetic pole surfaces TK, and between the iron core 13. Both repulsion and suction can be converted into rotational torque, and a large rotational torque can be generated.
- the currents IA, IB, and IC are supplied to the winding 32 at the same time as the vertex TP reaches the center position of the iron core.
- these timings can be shifted back and forth. That is, a current may be passed through the winding 32 when the vertex TP1 passes through the center position of the iron core and rotates by the angle ⁇ 1.
- This angle ⁇ 1 is a minute angle and may be a negative angle.
- the angle ⁇ 1 can be in the range of about 0 to 3 degrees, in the range of about 0 to 8 degrees, or 3 degrees, 6 degrees, 7.5 degrees, and the like.
- the rotor 17, 17, B, 17C, 17D is rotationally driven by the rotating shaft 11 of the electric motor M1, so that an induced electromotive force is generated in the winding 32 of the stator 16. This is taken out as AC power to the outside.
- a sine wave of three-phase AC power is output.
- the rotational speed unevenness is eliminated, and the output of the generator
- the waveform can be a beautiful sine wave.
- the strength of the magnetic force of the permanent magnet body JT and the permanent magnet 51 and the size of the gap between the iron core 31 and the rotor 13C of the motor M1C and the rotor 17C of the generator G1C can be set as a desired position, the start-up can be smoothed, and the output waveform of the generator G1C can be a clean sine wave without distortion. .
- control device 71 it is possible to variably adjust the period, frequency, magnitude, etc. of the currents IA, IB, IC output to the motor M, thereby controlling the rotational speed and power (output) of the motor M. can do.
- the inclination angle ⁇ j can be set variously. For example, it is possible to select from a range of 30 to 90 degrees or a range other than this.
- the polarity, the number of poles, the voltage, the power, the frequency, and the like can be appropriately changed in accordance with the gist of the present invention.
- the configurations, structures, shapes, numbers, etc. of the first to fourth embodiments may be interchanged and combined.
- the magnetic rotating device, electric motor, and motor generator of the present invention are used as electric motors, generators for electric vehicles, hybrid cars, railway vehicles, other transportation engines, and various industrial motors, hydropower, thermal power, wind power. It can be used as a generator for various types of power generation by tidal power or the like, or as a motor generator for frequency conversion or voltage conversion, or for other applications.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
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Abstract
Description
〔電動発電機の構造についての説明〕
〔電動機〕
電動機M1は、回転軸11、固定子12、回転子13、およびフレーム21などを有する。
〔固定子〕
固定子12は、捲線(コイル)32を備えた複数の鉄心31が円周方向に沿って等間隔で配置されたものである。なお、電動機M1に設けられた鉄心31を「鉄心MY」と、発電機G1に設けられた鉄心31を「鉄心GY」と、それぞれ記載することがある。
〔A回転子〕
まず、A回転子13aは、複数の永久磁石41が円周方向に沿って等間隔で配置されたものであり、固定子12と対向した状態で、ここでは脚部312aの端面313aと対向した状態で、回転軸11とともに回転する。
〔B回転子〕
次に、B回転子13bについて説明する。
〔発電機〕
次に、発電機G1について説明する。
〔永久磁石の極性などについての説明〕
〔第1実施例、8極電動機-8極発電機〕
図6、図7、図8、図9には、回転子13、17の永久磁石体JTにより形成される磁極が8極である場合の、図1のAA-AA線、BB-BB線、CC-CC線、DD-DD線の各位置における断面矢視図が、第1実施例として示されている。
γ2=(β2/2)-γ1
=(β1/2)
である。上に述べたように、β1=30度、β2=45度であるから、
γ1=7.5度
γ2=15度
となる。
γ2=β1
である。つまり、中心線LTは、1つ隣の鉄心YC4の中心線LKと一致する。上に述べたように、β1=30度であるから、
γ2=30度
となる。
〔電動機と発電機の回転子の回転位置の位相関係〕
次に、電動機M1の回転子13と発電機G1の回転子17との回転角度位置についての位相関係を説明する。
〔第2実施例、8極電動機-4極発電機〕
上に述べた第1実施例の電動発電機1において、発電機G1は、永久磁石体JTにより形成される磁極が8極であった。ここで述べる第2実施例の電動発電機1Bでは、永久磁石体JTにより形成される磁極が4極である発電機G1Bが用いられる。
(1) 電動機M1については図6、図7に示すようにし、発電機G1については、永久磁石体JTを図8、図9に示す配置とし、かつ、対向磁極面TKの極性を、互いに近接する側の2つの永久磁石41の対向磁極面TKの磁極を同じにする。つまり、この場合には、発電機G1の回転子17の極数(第2の極数NP2)が4となる。
(2) 電動機M1については図6、図7に示すようにし、発電機G1Bについては、回転子17Bの位相角を、図10、図11に示す位置よりも左右のいずれかに45度ずらせる。つまり、この場合は、回転子17Bの永久磁石体JTの配置は図8、図9に示すとおりとなり、その永久磁石体JTの互いに近接する2つの永久磁石41の対向磁極面TKの極性を同じにしたものとなる。
〔第3実施例、8極電動機-8極発電機〕
次に、第3実施例の電動発電機1Cについて説明する。第3実施例の電動発電機1Cは、電動機M1Cおよび発電機G1Cを備える。
〔第4実施例、16極電動機-8極発電機〕
次に、第4実施例の電動発電機1Dについて説明する。第4実施例の電動発電機1Dは、電動機M1Dおよび発電機G1Dを備える。
〔永久磁石体の構成について〕
上に述べた各実施例においては、2個の永久磁石41,41Dと1個のつなぎ鉄心42,42Dとによって永久磁石体JTを構成した。しかし、永久磁石体JTは、その磁気を利用して回転トルクを得るものであるから、磁気的な機能が同じであれば、次に述べるようにこれとは異なった構成とすることが可能である。永久磁石体JTDについても同様である。
〔制御などに関して〕
次に、電動発電機1,1B,1C,1Dの制御について説明する。
11 回転軸
12 固定子(第1の固定子)
13,13C,13D 回転子(第1の回転子)
16 固定子(第2の固定子)
17,17B,17C,17D 回転子(第2の回転子)
21 フレーム
31 鉄心
32 捲線
41,41D 永久磁石
42 つなぎ鉄心
71 制御装置
JT,JTD 永久磁石体
M1,M1C,M1D 電動機
G1,G1B,G1C,G1D 発電機
γ1,γ2 位相角
LU 磁極線
LT 中心線
Claims (30)
- 捲線を備えた複数の鉄心が円周方向に沿って等間隔で配置された固定子と、複数の永久磁石が円周方向に沿って等間隔で配置され前記固定子と対向した状態で回転する回転子と、を備えた磁力回転装置であって、
それぞれの前記永久磁石は、N極またはS極のいずれかの磁極を有し前記鉄心と対向する側の磁極面である対向磁極面が、円周の接線方向に対し傾斜角を有するように配置され、
円周方向に隣り合う2つの前記永久磁石を含む各組の永久磁石体において、2つの前記永久磁石は、2つの前記対向磁極面が互いに異なる磁極となるようにかつ円周の接線方向に対する傾斜が互いに逆となるように配置され、かつ、2つの前記対向磁極面が当該永久磁石体の両端の磁極となるように磁性材料からなるつなぎ鉄心によって磁気的に接続されてなる、
ことを特徴とする磁力回転装置。 - 前記回転子として、第1の回転子および第2の回転子が設けられており、
前記第1の回転子および前記第2の回転子は、前記第1の回転子に含まれる各組の前記永久磁石体における回転中心を通る中心線の前記鉄心に対する位相角である第1の位相角と、前記第2の回転子に含まれる各組の前記永久磁石体における回転中心を通る中心線の前記鉄心に対する位相角である第2の位相角とが、互いに異なるように配置されている、
請求項1記載の磁力回転装置。 - 前記第1の回転子および前記第2の回転子は、前記鉄心と前記永久磁石との吸引力によるディテントトルクが、前記第1の回転子と前記第2の回転子とで互いに打ち消し合うように、前記第1の位相角と前記第2の位相角とが設定されている、
請求項2記載の磁力回転装置。 - 前記回転子として、第1の回転子および第2の回転子が設けられており、
前記第1の回転子および前記第2の回転子は、前記第1の回転子に含まれる全部の前記永久磁石体により形成される磁極の極数である第1の極数と、前記第2の回転子に含まれる全部の前記永久磁石体により形成される磁極の極数である第2の極数とが、互いに異なるように、前記永久磁石体における前記対向磁極面の磁極が配置されている、
請求項1記載の磁力回転装置。 - 捲線を備えた複数の鉄心が円周方向に沿って等間隔で配置された第1の固定子および第2の固定子と、複数の永久磁石が円周方向に沿って等間隔で配置されて互いに一体的に回転する第1の回転子および第2の回転子と、を備えた磁力回転装置であって、
前記第1の固定子と前記第1の回転子とが対向しかつ前記第2の固定子と前記第2の回転子とが対向するよう配置され、
それぞれの前記永久磁石は、N極またはS極のいずれかの磁極を有し前記鉄心と対向する側の磁極面である対向磁極面が、円周の接線方向に対し傾斜角を有するように配置され、
円周方向に隣り合う2つの前記永久磁石を含む各組の永久磁石体において、2つの前記永久磁石は、2つの前記対向磁極面が互いに異なる磁極となるようにかつ円周の接線方向に対する傾斜が互いに逆となるように配置され、かつ、2つの前記対向磁極面が当該永久磁石体の両端の磁極となるように磁性材料からなるつなぎ鉄心によって磁気的に接続されてなる、
ことを特徴とする磁力回転装置。 - 前記第1の回転子および前記第2の回転子は、前記第1の回転子に含まれる各組の前記永久磁石体における回転中心を通る中心線の前記鉄心に対する位相角である第1の位相角と、前記第2の回転子に含まれる各組の前記永久磁石体における回転中心を通る中心線の前記鉄心に対する位相角である第2の位相角とが、互いに異なるように配置されている、
請求項5記載の磁力回転装置。 - 前記第1の回転子および前記第2の回転子は、前記鉄心と前記永久磁石との吸引力によるディテントトルクが、前記第1の回転子と前記第2の回転子とで互いに打ち消し合うように、前記第1の位相角と前記第2の位相角とが設定されている、
請求項6記載の磁力回転装置。 - 円周方向に隣り合う2つの前記永久磁石体における互いに近接する側の2つの前記永久磁石の前記鉄心と対向する側の磁極面である対向磁極面の磁極が互いに異なっており、
前記第1の回転子に含まれる各組の前記永久磁石体における回転中心を通る中心線の前記第1の固定子における前記鉄心に対する位相角である第1の位相角と、前記第2の回転子に含まれる各組の前記永久磁石体における回転中心を通る中心線の前記第2の固定子における前記鉄心に対する位相角である第2の位相角とが、互いにずれた状態で、前記第1の回転子と前記第2の回転子とが一体的に回転するように連結されている、
請求項5記載の磁力回転装置。 - 前記第1の回転子および前記第2の回転子において、それぞれ、円周上に配置された8個の前記永久磁石によって4個の前記永久磁石体が形成され、
前記第1の位相角と前記第2の位相角とのずれは45度である、
請求項8記載の磁力回転装置。 - 前記第1の回転子および前記第2の回転子は、前記第1の回転子に含まれる全部の前記永久磁石体により形成される磁極の極数である第1の極数と、前記第2の回転子に含まれる全部の前記永久磁石体により形成される磁極の極数である第2の極数とが、互いに異なるように、前記永久磁石体における前記対向磁極面の磁極が配置されている、
請求項5記載の磁力回転装置。 - 円周方向に隣り合う2つの前記永久磁石体における互いに近接する側の2つの前記永久磁石の前記鉄心と対向する側の磁極面である対向磁極面の磁極が、前記第1の回転子または前記第2の回転子のいずれか一方においては互いに異なり、いずれか他方においては互いに同じである、
請求項5記載の磁力回転装置。 - 前記第1の回転子に含まれる各組の前記永久磁石体における回転中心を通る中心線の前記鉄心に対する位相角である第1の位相角と、前記第2の回転子に含まれる各組の前記永久磁石体における回転中心を通る中心線の前記鉄心に対する位相角である第2の位相角とが、互いに同じ状態で、前記第1の回転子と前記第2の回転子とが一体的に回転するように連結されている、
請求項11記載の磁力回転装置。 - 前記第1の回転子において、円周上に配置された8n(nは整数)個の前記永久磁石によって4n個の前記永久磁石体が形成され、円周方向に隣り合う2つの前記永久磁石体における互いに近接する側の2つの前記永久磁石の前記鉄心と対向する側の磁極面である対向磁極面の磁極が互いに異なっており、これによって8n極の磁極が形成されており、
前記第2の回転子において、円周上に配置された8m(mは整数)個の前記永久磁石によって4m個の前記永久磁石体が形成され、円周方向に隣り合う2つの前記永久磁石体における互いに近接する側の2つの前記永久磁石の前記鉄心と対向する側の磁極面である対向磁極面の磁極が互いに同じとなっており、これによって4m極の磁極が形成されている、
請求項12記載の磁力回転装置。 - 前記第1の固定子および前記第2の固定子において、それぞれ、12個の前記鉄心が円周上に配置されている、
請求項4ないし13のいずれかに記載の磁力回転装置。 - 前記第1の固定子と前記第1の回転子とによって電動機が形成され、前記第2の固定子と前記第2の回転子とによって発電機が形成される、
請求項4ないし14のいずれかに記載の磁力回転装置。 - 電動機および発電機を備えそれらの回転軸が共通に設けられた電動発電機であって、
前記電動機および前記発電機は、それぞれ、
捲線を備えた複数の鉄心が円周方向に沿って等間隔で配置された固定子と、
複数の永久磁石が円周方向に沿って等間隔で配置され前記固定子と対向した状態で前記回転軸とともに回転する回転子と、を備え、
複数の前記鉄心の円周方向の配置における角度間隔、および複数の前記永久磁石の円周方向の配置における角度間隔が、前記電動機と前記発電機とで同じであり、
それぞれの前記永久磁石は、N極またはS極のいずれかの磁極を有し前記鉄心と対向する側の磁極面である対向磁極面が、円周の接線方向に対し傾斜角を有するように配置され、
円周方向に隣り合う2つの前記永久磁石を含む各組の永久磁石体において、2つの前記永久磁石は、2つの前記対向磁極面が互いに異なる磁極となるようにかつ円周の接線方向に対する傾斜が互いに逆となるように配置され、かつ、2つの前記対向磁極面が当該永久磁石体の両端の磁極となるように磁性材料からなるつなぎ鉄心によって磁気的に接続され、
円周方向に隣り合う2つの前記永久磁石体における互いに近接する側の2つの前記永久磁石の前記対向磁極面の磁極が互いに異なっており、
前記電動機の回転子に含まれる各組の前記永久磁石体における回転中心を通る中心線の当該電動機の固定子に含まれる前記鉄心に対する位相角である第1の位相角と、前記発電機の回転子に含まれる各組の前記永久磁石体における回転中心を通る中心線の当該発電機の固定子に含まれる前記鉄心に対する位相角である第2の位相角とが、互いにずれた状態で、前記電動機の回転子と前記発電機の回転子とが一体的に回転するように連結されている、
ことを特徴とする電動発電機。 - 前記電動機の回転子および前記発電機の回転子において、それぞれ、円周上に配置された8個の前記永久磁石によって4個の前記永久磁石体が形成され、
前記第1の位相角と前記第2の位相角とのずれは45度である、
請求項16記載の電動発電機。 - 電動機および発電機を備えそれらの回転軸が共通に設けられた電動発電機であって、
前記電動機および前記発電機は、それぞれ、
捲線を備えた複数の鉄心が円周方向に沿って等間隔で配置された固定子と、
複数の永久磁石が円周方向に沿って等間隔で配置され前記固定子と対向した状態で前記回転軸とともに回転する回転子と、を備え、
複数の前記鉄心の円周方向の配置における角度間隔、および複数の前記永久磁石の円周方向の配置における角度間隔が、前記電動機と前記発電機とで同じであり、
それぞれの前記永久磁石は、N極またはS極のいずれかの磁極を有し前記鉄心と対向する側の磁極面である対向磁極面が、円周の接線方向に対し傾斜角を有するように配置され、
円周方向に隣り合う2つの前記永久磁石を含む各組の永久磁石体において、2つの前記永久磁石は、2つの前記対向磁極面が互いに異なる磁極となるようにかつ円周の接線方向に対する傾斜が互いに逆となるように配置され、かつ、2つの前記対向磁極面が当該永久磁石体の両端の磁極となるように磁性材料からなるつなぎ鉄心によって磁気的に接続され、
円周方向に隣り合う2つの前記永久磁石体における互いに近接する側の2つの前記永久磁石の前記対向磁極面の磁極が、前記電動機の回転子においては互いに異なり、前記発電機の回転子においては互いに同じである、
ことを特徴とする電動発電機。 - 前記電動機の回転子に含まれる全部の前記永久磁石体により形成される磁極の極数は8であり、前記発電機の回転子に含まれる全部の前記永久磁石体により形成される磁極の極数は4である、
請求項18記載の電動発電機。 - 捲線を備えた複数の鉄心が円周方向に沿って等間隔で配置された固定子と、複数の永久磁石が円周方向に沿って等間隔で配置され前記固定子と対向した状態で回転する回転子と、を備えた電動機であって、
それぞれの前記永久磁石は、N極またはS極のいずれかの磁極を有し前記鉄心と対向する側の磁極面である対向磁極面が、円周の接線方向に対し傾斜角を有するように配置され、
円周方向に隣り合う2つの前記永久磁石を含む各組の永久磁石体において、2つの前記永久磁石は、2つの前記対向磁極面が互いに異なる磁極となるようにかつ円周の接線方向に対する傾斜が互いに逆となるように配置され、かつ、2つの前記対向磁極面が当該永久磁石体の両端の磁極となるように磁性材料からなるつなぎ鉄心によって磁気的に接続されてなり、
前記回転子は、自由状態において、それぞれの前記永久磁石体における少なくとも1つの前記対向磁極面の少なくとも一部が前記鉄心の端面とそれぞれ対面する状態で停止する、
ことを特徴とする電動機。 - それぞれの前記永久磁石体において、2つの前記対向磁極面における前記鉄心に近い側の角部であるそれぞれの頂点が、前記回転子の回転方向後方の前記対向磁極面の前記頂点については、対面する前記鉄心の端面における前記回転子の回転方向前方側の端縁部に位置し、前記回転子の回転方向前方の前記対向磁極面の前記頂点については、対面する前記鉄心の端面における前記回転子の回転方向後方側の端縁部に位置した状態で、停止する、
請求項20記載の電動機。 - 前記固定子において、12個の前記鉄心が隣り合う鉄心同士の中心角が30度で配置されており、
前記回転子において、円周上に配置された8個の前記永久磁石によって4個の前記永久磁石体が形成され、8個の前記永久磁石の8個の前記頂点は頂点同士の中心角が45度で配置されており、
前記各永久磁石体における2つの前記対向磁極面は、1つの前記鉄心を挟んで配置された2つの前記鉄心の端面とそれぞれ対面する状態で停止する、
請求項21記載の電動機。 - 請求項20ないし22のいずれかに記載の電動機と、
前記電動機の回転軸と同軸上で一体に回転する回転軸が設けられた発電機と、
を備え、
前記発電機は、
捲線を備えた複数の鉄心が円周方向に沿って等間隔で配置された第2の固定子と、複数の永久磁石が円周方向に沿って等間隔で配置され前記第2の固定子と対向した状態で回転する第2の回転子と、を備え、
前記第2の回転子において、それぞれの前記永久磁石は、軸方向から見た形状が矩形であり、円周の接線方向に沿ってN極とS極の磁極が形成されてなる、
ことを特徴とする電動発電機。 - 前記発電機において、前記永久磁石は、
円周方向に隣り合う2つの前記永久磁石において互いに対向する磁極が同じ磁極となるように配置されてなる、
請求項23記載の電動発電機。 - 前記第2の固定子において、12個の前記鉄心が隣り合う鉄心同士の中心角が30度で配置されており、
前記第2の回転子において、8個の前記永久磁石が隣り合う永久磁石同士の中心角が45度で配置されており、
前記第2の回転子は、前記回転子が自由状態において停止したときに、8個の前記永久磁石のうちの中心角が90度である4個の永久磁石が、2つの前記鉄心を挟んで配置された2つの前記鉄心の端面とそれぞれ対面する状態で停止するような位相角で、前記回転子と前記第2の回転子とが一体的に回転する、
請求項24記載の電動発電機。 - 前記固定子において、12個の前記鉄心が隣り合う鉄心同士の中心角が30度で配置されており、
前記回転子において、円周上に配置された16個の前記永久磁石によって8個の前記永久磁石体が形成され、8個の前記永久磁石体が永久磁石体同士の中心角が45度で配置されている、
請求項20記載の電動機。 - 請求項26記載の電動機と、
前記電動機の回転軸と同軸上で一体に回転する回転軸が設けられた発電機と、
を備え、
前記発電機は、
捲線を備えた複数の鉄心が円周方向に沿って等間隔で配置された第2の固定子と、複数の永久磁石が円周方向に沿って等間隔で配置され前記第2の固定子と対向した状態で回転する第2の回転子と、を備え、
前記第2の回転子において、それぞれの前記永久磁石は、円周上に配置された16個の前記永久磁石によって8個の前記永久磁石体が形成され、8個の前記永久磁石体が永久磁石体同士の中心角が45度で配置されており、
前記回転子の前記永久磁石体と前記第2の回転子の前記永久磁石体との位相角が互いに22.5度ずれた状態で、前記回転子と前記第2の回転子とが一体的に回転する、
ことを特徴とする電動発電機。 - 前記電動機の前記捲線に流れる電流を制御するための制御装置が設けられており、
前記制御装置は、
それぞれの前記永久磁石体に対し、前記回転子の回転方向後方の対向磁極面対して反発するように、かつ前記回転子の回転方向前方の前記対向磁極面に対して吸引するように、各前記鉄心の捲線に流れる電流をオンオフするスイッチング部を備える、
請求項20ないし22のいずれかに記載の電動機。 - 前記制御装置は、
前記永久磁石の回転方向後方の頂点が前記鉄心の中心にきたとき以降に前記スイッチング部がオンするように制御し、その後に当該頂点が27.5度回転するまでに前記スイッチング部がオフするように制御するタイミング制御部を備える、
請求項28記載の電動機。 - 前記永久磁石体は、2つの前記永久磁石と前記つなぎ鉄心とが1個の永久磁石として一体に形成されてなる、
請求項1ないし29のいずれかに記載の磁力回転装置、電動発電機、または電動機。
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EP14834626.5A EP3032718B1 (en) | 2013-08-09 | 2014-08-08 | Magnetic rotating device, electric motor, and electric motor generator |
JP2015530712A JP5906360B2 (ja) | 2013-08-09 | 2014-08-08 | 磁力回転装置、電動機、および電動発電機 |
EP20196641.3A EP3783774A1 (en) | 2013-08-09 | 2014-08-08 | Generator and motor generator |
CN201480043799.0A CN105453395B (zh) | 2013-08-09 | 2014-08-08 | 磁力旋转装置、电动机以及电动发电机 |
KR1020167003427A KR101781085B1 (ko) | 2013-08-09 | 2014-08-08 | 자력 회전 장치, 전동기, 및 전동 발전기 |
US15/019,798 US10148159B2 (en) | 2013-08-09 | 2016-02-09 | Magnetic rotating apparatus, electric motor, and motor generator |
HK16107685.7A HK1219814A1 (zh) | 2013-08-09 | 2016-07-02 | 磁力旋轉裝置、電動機以及電動發電機 |
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CN105453395B (zh) | 2018-06-08 |
EP3032718A4 (en) | 2017-04-05 |
CN105453395A (zh) | 2016-03-30 |
JP5906360B2 (ja) | 2016-04-20 |
US10148159B2 (en) | 2018-12-04 |
JPWO2015019625A1 (ja) | 2017-03-02 |
KR101781085B1 (ko) | 2017-09-22 |
US20160172947A1 (en) | 2016-06-16 |
EP3032718A1 (en) | 2016-06-15 |
HK1219814A1 (zh) | 2017-04-13 |
EP3783774A1 (en) | 2021-02-24 |
KR20160030286A (ko) | 2016-03-16 |
EP3032718B1 (en) | 2021-11-17 |
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