WO2007037257A1 - Dispositif de transmission rotatif sans contact et système de génération d’énergie électrique - Google Patents

Dispositif de transmission rotatif sans contact et système de génération d’énergie électrique Download PDF

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Publication number
WO2007037257A1
WO2007037257A1 PCT/JP2006/319143 JP2006319143W WO2007037257A1 WO 2007037257 A1 WO2007037257 A1 WO 2007037257A1 JP 2006319143 W JP2006319143 W JP 2006319143W WO 2007037257 A1 WO2007037257 A1 WO 2007037257A1
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WIPO (PCT)
Prior art keywords
planetary
rotor
permanent magnets
central rotor
rotors
Prior art date
Application number
PCT/JP2006/319143
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English (en)
Japanese (ja)
Inventor
Akio Hashizume
Yasuyoshi Hashizume
Original Assignee
Shiozaki, Hiromitsu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shiozaki, Hiromitsu filed Critical Shiozaki, Hiromitsu
Publication of WO2007037257A1 publication Critical patent/WO2007037257A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
    • H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H49/00—Other gearings
    • F16H49/005—Magnetic gearings with physical contact between gears

Definitions

  • the present invention relates to a non-contact type rotation transmission device suitable for transmitting rotation in a non-contact manner using magnetic force, and a power generation system using the rotation transmission device.
  • Patent Document 1 Conventionally, as this type of non-contact type rotation transmission device, there is a magnetic coupling disclosed in Patent Document 1 below.
  • This magnetic coupling is supported coaxially on the input shaft of rotation via a copper alloy ring force bearing case. Further, the output shaft of the rotation is supported by a bearing supported in the boss portion of the bearing case at the inner end thereof, extends coaxially in the copper alloy ring, and is connected to the load.
  • the cylindrical yoke is coaxially supported on the output side shaft in the copper alloy ring, and a plurality of permanent magnets are arranged on the outer peripheral surface of the yoke along the circumferential direction. It is fixed with a gap.
  • each permanent magnet has a gap with respect to the inner peripheral surface of the copper alloy ring, and is positioned in non-contact with the copper alloy ring. For this reason, the magnetic flux of each permanent magnet passes through the inside of the copper alloy ring through the gap.
  • Patent Document 1 JP 2000-197340 A
  • the present invention has been devised in the configuration and arrangement of the permanent magnet, and appropriately transmits the rotation including the low rotation speed range that does not depend on the eddy current. It is an object of the present invention to provide a non-contact type rotation transmission device and a power generation system using the rotation transmission device.
  • the central rotor includes a central rotor body (60a) and a plurality of permanent magnets (60b to 60i) provided at intervals along the outer peripheral wall of the central rotor body.
  • Each of the plurality of planetary rotors has a predetermined distance between the planetary rotor main body (110a to 140a) and a plurality of permanent magnets of the central rotor at intervals along the outer peripheral wall of the planetary rotor main body.
  • a plurality of permanent magnets (110b to 110d, 120b to 120d, 130b to 130d, 1 black to 140d) provided so as to be able to be magnetically attracted or repelled with a gap therebetween.
  • One of the plurality of planetary rotors is set as an input shaft for rotation, and the axis of the central rotor is set as an output shaft for rotation.
  • the central rotor body is formed with V-shaped grooves (63b) formed at intervals along the outer peripheral wall,
  • Each planetary rotor is formed with V-shaped grooves (11 lb, 121b, 131b, 141b) formed at intervals along the outer peripheral wall,
  • Each permanent magnet of the central rotor is formed in a substantially rhomboid columnar shape so as to have both side inclined walls (65) and the other side inclined walls (66) parallel to the both side inclined walls.
  • the permanent magnets of each planetary rotor are arranged on both side inclined walls (113, 123, 133, 143) and on the other side inclined walls (114, 124, 134, 144) parallel to these two side inclined walls, respectively. ) So that it has a substantially rhomboid column shape,
  • the permanent magnets of the central rotor and each planetary rotor are fitted in the V-shaped grooves of the central rotor and each planetary rotor, respectively, on both side inclined walls.
  • each permanent magnet of the central rotor and the outer end of each permanent magnet of each planetary rotor are cut off from the top formed by the other inclined walls, respectively, so that the end walls (66a, 114a, 12 4a, 134a, 144a).
  • the permanent magnets of the central rotor and the planetary rotors face each other at the end walls as they rotate.
  • the end wall of the permanent magnet can increase the area density of the lines of magnetic force and can form the lines of magnetic force as perpendicular to the outer surface of the end wall as possible.
  • the present invention provides the contactless rotation transmission device according to claim 1 or 2
  • Each planetary rotor has a planetary shaft (70 to 100) that coaxially supports the corresponding planetary rotor body.
  • the connecting means is composed of timing belts (170a, 170b, 200) for connecting the planetary shafts of the planetary rotors adjacent to each other along the outer periphery of the central rotor of the planetary rotors.
  • the present invention provides the contactless rotation transmission device according to claim 3,
  • each timing belt is connected to each planetary shaft of each planetary rotor, and is characterized in that.
  • each permanent magnet is attracted by one permanent magnet of each planetary rotor located closest to each permanent magnet in the rotational direction. Under such suction, the central rotor can rotate smoothly with the rotation of each planetary rotor.
  • the power generation system according to the present invention, A rotating body (A) that rotates according to the speed based on wind power or hydraulic power,
  • Non-contact rotation transmission device (C)
  • a rotating power generation means (E) A rotating power generation means (E),
  • the central rotor includes a central rotor body (60a) and a plurality of permanent magnets (60b to 60i) provided at intervals along the outer peripheral wall of the central rotor body.
  • Each of the plurality of planetary rotors has a predetermined distance between the planetary rotor main body (110a to 140a) and a plurality of permanent magnets of the central rotor at intervals along the outer peripheral wall of the planetary rotor main body.
  • a plurality of permanent magnets (110b to 110d, 120b to 120d, 130b to 130d, 1 black to 140d) provided so as to be able to be magnetically attracted or repelled with a gap therebetween.
  • the rotation of the rotating body is input to the input shaft and transmitted to the output shaft, with one of the planetary rotors serving as the rotation input shaft and the central rotor shaft serving as the rotation output shaft.
  • the rotating power generation means rotates to generate electric power based on the rotation of the output axial force of the rotation transmission device.
  • each permanent magnet of the central rotor and each permanent magnet of each planetary rotor are attracted or repelled without contact with each other through the respective opposing end walls that do not depend on eddy currents. Since it is achieved by exerting the matching magnetic action, it is possible to generate power appropriately including the low rotation speed range.
  • the rotation power generating means can be used without changing the rotation of the rotating body as it is or by increasing the speed of the rotation. Can communicate to. As a result, it is possible to further improve power generation by effectively utilizing wind power or hydraulic power while achieving the operational effects of the rotation transmission device described above.
  • the present invention provides the power generation system according to claim 5,
  • the central rotor body is formed with V-shaped grooves (63b) formed at intervals along the outer peripheral wall,
  • Each planetary rotor is formed with V-shaped grooves (11 lb, 121b, 131b, 141b) formed at intervals along the outer peripheral wall,
  • Each permanent magnet of the central rotor is formed in a substantially rhomboid columnar shape so as to have both side inclined walls (65) and the other side inclined walls (66) parallel to the both side inclined walls.
  • the permanent magnets of each planetary rotor are arranged on both side inclined walls (113, 123, 133, 143) and on the other side inclined walls (114, 124, 134, 144) parallel to these two side inclined walls, respectively. ) So that it has a substantially rhomboid column shape,
  • the permanent magnets of the central rotor and each planetary rotor are fitted in the V-shaped grooves of the central rotor and each planetary rotor, respectively, on both side inclined walls.
  • each permanent magnet of the central rotor and the outer end of each permanent magnet of each planetary rotor are cut off from the top formed by the other inclined walls, respectively, so that the end walls (66a, 114a, 12 4a, 134a, 144a).
  • the permanent magnets of the central rotor and the planetary rotors face each other at the end walls as they rotate.
  • the end wall of the permanent magnet can increase the area density of the lines of magnetic force and can form the lines of magnetic force as perpendicular to the outer surface of the end wall as possible.
  • the present invention provides the power generation system according to claim 5 or 6. [Koo! /
  • Each planetary rotor has a planetary shaft (70 to 100) that coaxially supports each corresponding planetary rotor body,
  • the connecting means is composed of timing belts (170a, 170b, 200) for connecting the planetary shafts of the planetary rotors adjacent to each other along the outer periphery of the central rotor of the planetary rotors.
  • the present invention provides the power generation system according to claim 7,
  • the permanent magnet force of the central rotor is the rotation of the planets closest to the permanent magnets in the direction of rotation.
  • the attractive force between these opposing permanent magnets is maximized.
  • the total force of each attractive force between the remaining corresponding permanent magnets of each planetary rotor and the central rotor is set so that each timing is slightly larger than the force required to separate the opposed permanent magnets from each other.
  • a belt is characterized in that it connects each planetary shaft of each planetary rotator.
  • FIG. 1 shows a wind power generation system to which the present invention is applied.
  • This wind power generation system includes a windmill A, a gear box B, a non-contact type rotation transmission device C, a speed increaser D, and an AC generator E.
  • the left and right sides in FIG. 1 correspond to the front and rear of the wind power generation system in FIG. Therefore, in FIG. 1, the lower side and the upper side in the figure correspond to the left side and the right side of the wind power generation system.
  • the windmill A is constituted by a propeller type windmill such as a Sabotus type, a Darius type, or a paddle type.
  • the windmill A has an input shaft 20a (described later) of the gearbox B at its support A1. It is erected on this gear box B.
  • the support A1 of the windmill A is supported on a horizontal installation surface L (see FIG. 2) by a plurality of stays (not shown).
  • the gear box B is configured by providing an input side bevel gear and an output side bevel gear (not shown!) In a rectangular parallelepiped casing 10.
  • the input-side bevel gear is coaxially supported in the casing 10 on the inner end portion of the input shaft 20a that extends upward from the upper wall 11 of the casing 10 so as to rotate upward.
  • the output side bevel gear is positioned so as to be orthogonal to the axis of the input side bevel gear on its axis, and meshes with the input side bevel gear, and the output side bevel gear is
  • the casing 10 is coaxially supported by the inner end portion of the output shaft 2 Ob extending horizontally and rearwardly from the rear wall 12 of the casing 10. Note that the gear ratio of the input side bevel gear and the output side bevel gear is 1.
  • the casing 10 also has a bottom Installed on wall 13 on horizontal installation surface L.
  • the rotation transmission device C is connected to the output shaft 20b of the gear box B through the force coupling 30 at its input shaft (a planetary shaft 90 described later) as shown in FIG.
  • the rotation transmission device C includes a support body 40 as shown in FIGS. 1, 2 and 4, and this support body 40 has a bottom wall 40a and front and rear side support walls 40b and 40c.
  • the bottom wall 40a is installed on the installation surface L.
  • the both side support walls 40b, 40c are arranged in the front-rear direction (the output shaft 20b of the gear box B) so that they are parallel to each other in the left-right direction (direction perpendicular to the paper surface of FIG. 2) on the bottom wall 40a. (Axial direction) is set up at intervals.
  • the support body 40 has four sets of clamping members 40d, and these four sets of clamping members 40d are described below with respect to the upper, lower, left and right corners of the side support walls 40b, 40c. By sandwiching, both side support walls 40b and 40c are maintained in the standing state as described above.
  • the clamping member 40d is composed of a cylinder 41, a double-cut bolt 42, and double nuts 43. As a result, the clamping member 40d sandwiches the cylinder 41 between the lower right corners of the support walls 40b and 40c on both sides, and inserts the double-ended bolt 42 into the lower right corner of the support wall 40b. 41 and the support wall 40c are inserted into the lower right corner and both nuts 43 are fastened to both ends of the double-sided bolt 42, so that the lower right corner of each of the support walls 40b and 40c is supported. Pinch. Each of the remaining clamping members 40d also clamps the upper right corner, the lower left corner, and the upper left corner of the both-side support walls 40b and 40c with the same configuration as the above-described clamping member. .
  • the rotation transmission device C includes a central shaft 50 and a central rotor 60 as shown in FIGS. 1 and 2, and the central shaft 50 is parallel to the output shaft 20b of the gear box B. As shown in the figure, both bearings 40b and 40c are supported through both bearings 40e and 40f.
  • the bearing 40e is coaxially fitted in the large diameter portion of the stepped hole 45 formed in the center of the support wall 40b, while the bearing 40f is the center of the support wall 40c. It is coaxially fitted in the large diameter part of the stepped hole 46 formed in the part.
  • the central shaft 50 has both bearings 40e, 40f and stepped holes 45, 46 at each intermediate portion in the axial direction. Are supported by both side support walls 40b and 40c so as to be rotatable. Both stop rings 47 are fitted on the central shaft 50 so as to sandwich both bearings 40e and 40f, thereby restricting displacement of the central shaft 50 with respect to both side support walls 40b and 40c.
  • the central rotor 60 includes a central rotor main body 60a (hereinafter referred to as the rotor main body 6 Oa) and eight permanent magnets 60b to 60i as shown in FIG. 1, FIG. 2 or FIG. ing.
  • the rotor body 60a is formed concentrically on the annular wall 61 as shown in FIG. 3, the annular boss 62 concentrically formed on the inner peripheral portion of the annular wall 61, and the outer peripheral portion of the annular wall 61.
  • An annular outer peripheral wall 63 is provided.
  • the rotor body 60a is coaxially connected to the intermediate portion of the central shaft 50 by the annular boss 62 between the both supporting walls 40b and 40c via the key 64 (see Fig. 2).
  • the annular wall 61 and the annular outer peripheral wall 63 are maintained along the side support walls 40b and 40c.
  • the key 64 is fitted in a key groove 64a formed at an intermediate portion of the central shaft 50. 2 and 3, each reference numeral 61a indicates an opening formed in the annular wall 61 in the circumferential direction.
  • the outer peripheral surface of the outer peripheral wall 63 has eight flat portions 63a, and these flat portions 63a are formed at equal intervals along the outer peripheral surface of the outer peripheral wall 63. Further, each V-shaped groove 63b for fitting each permanent magnet 60b to 60i is formed in the corresponding flat portion 63a, and the groove direction of each V-shaped groove 63b is the outer periphery. Along the axial direction of the wall 63.
  • each of the permanent magnets 60b to 60i has the same outer shape, the configuration will be described with the permanent magnet 60b as an example.
  • the permanent magnet 60b is formed in a substantially rhombic column shape so as to have both inclined walls 65 and both inclined walls 66 parallel to the both inclined walls 65, respectively. It has been done.
  • the permanent magnet 60b is cut off at both upper and lower ends thereof to form end walls 65a and 66a parallel to each other.
  • the permanent magnet 60b is magnetized to the N pole on the end wall 65a side and magnetized to the S pole on the end wall 66a side.
  • the edge permanent walls 60a and 66a of the permanent magnet 60b are formed by increasing the area density of the magnetic lines of force of the permanent magnet 60b at the end walls 65a and 66a, and by applying the magnetic lines of force to the end walls. This is because the outer surfaces of 65a and 66a are formed as perpendicular as possible.
  • the outer diameter of the rotor body 60a is, for example, 300 mm, and the outer diameters of the rotor bodies 110a to 14 Oa (described later) are 100 mm. This is based on the assumption that the number of permanent magnets in the central rotor 60 is 8, and the number of permanent magnets in each planetary rotor 110-140 is 3, respectively, when the planetary rotor rotates once. Means one-eighth of a revolution.
  • the permanent magnet 60b configured as described above is fitted into the corresponding V-shaped groove 63b at both inclined walls 65, and both the inclined walls 66 of the permanent magnet 60b are
  • the outer peripheral wall 63 projects outwardly from the corresponding V-shaped groove 63b through the opening 67a (see FIG. 1) of the pressing plate 67 from the corresponding V-shaped groove 63b.
  • the holding plate 67 is fastened to each corresponding flat surface portion 63a of the outer peripheral wall 63 with a plurality of screws 67b.
  • the remaining permanent magnets 60c to 60i are also fitted in the corresponding V-shaped grooves 63b by the two inclined walls 65, respectively, and the two inclined walls 66 of the remaining permanent magnets 60b. Projecting outwardly from the corresponding V-shaped grooves 63b in the radial direction of the outer peripheral wall 63 through the openings 67a of the corresponding pressing plates 67, respectively. Each corresponding pressing plate 67 is fastened to the outer peripheral wall 63 to the corresponding flat surface portion 63a with a plurality of screws 67b.
  • the N pole is magnetized on the end wall 65a side
  • the S pole is magnetized on the end wall 66a side.
  • both end walls 65a, 6 of each permanent magnet 60b to 60i are used, both end walls 65a, 6 of each permanent magnet 60b to 60i
  • the rotation transmission device C includes four planetary shafts 70 to 1 as shown in FIG. 1 or FIG.
  • the four planetary shafts 70 to 100 are parallel to the central shaft 50, respectively, and, similar to the central shaft 50, out of the both side support walls 40b and 40c via the respective bearings (not shown).
  • the central rotor 60 is rotatably supported on the outer peripheral side portion.
  • the planetary axes 70 and 100 are positioned symmetrically with respect to the radial line D1 on the side of the radial line D1 relative to the radial lines D2 and D8 as shown in FIG.
  • the planetary shafts 80 and 90 are positioned symmetrically with respect to the radial line D5 on the radial line D5 side from both radial lines D4 and D6.
  • the planet axes 70 and 80 are symmetrically positioned with respect to the radial line D3, and the planetary axes 90 and 100 are symmetrically positioned with respect to the radial line D7. Furthermore, each planetary axis 70 ⁇ : The axis of the LOO is located on the same circle.
  • the planetary rotor 110 includes a central rotor body 110a (hereinafter referred to as a rotor body 110a) and three permanent magnets 110b to 110d.
  • the rotor main body 110a includes an annular wall 111 and an annular boss 112 formed concentrically on the inner peripheral portion of the annular wall 111.
  • the rotor body 110a is coaxially fitted to the intermediate portion of the planetary shaft 70 in the axial direction between the support walls 40b and 40c via the key (not shown) by the annular boss 112. Supported to maintain the annular wall 111 along the side support walls 40b, 40c
  • the outer peripheral surface of the annular wall 111 has three flat portions 11 la, and these flat portions 11 la are formed at equal intervals along the outer peripheral surface of the annular wall 111.
  • V-shaped grooves 11 lb for fitting the permanent magnets 110b to l10d are formed in the corresponding flat portions 11la, and the groove directions of the grooves 111b are annular walls. Along the 111 axial direction.
  • each of the permanent magnets 110b to 110d is formed to have the same outer shape as that of the permanent magnet 60b described above.
  • each of the permanent magnets 110b to 110d includes the two inclined walls 113, the two inclined walls 114, and the two end walls 113a respectively corresponding to the two inclined walls 65, the two inclined walls 66, and the both end walls 65a, 66a of the permanent magnet 60b. 114a.
  • each permanent magnet 110b to 110d is fitted into each V-shaped groove 111b of the annular wall 111 and both the inclined walls 113b, and the permanent magnets 110b to 110d.
  • the two inclined walls 114 protrude outwardly from the corresponding V-shaped grooves 11 lb in the radial direction of the annular wall 111 through the openings 115a (see FIG. 1) of the pressing plates 115, respectively.
  • each pressing plate 115 is fastened to the corresponding flat portion 11 la on the annular wall 111 with a plurality of screws 115b.
  • each permanent magnet 110b to 110d force is magnetized to the N pole on the end wall 114a side, and is magnetized to the S pole on the end wall 113a side.
  • the planetary rotor 120 includes a central rotor body 120a (hereinafter referred to as a rotor body 120a) and three permanent magnets 120b to 120d.
  • the rotor main body 120a includes an annular wall 121 and an annular boss 122 formed concentrically on the inner peripheral portion of the annular wall 121.
  • the rotor main body 120a is coaxially fitted and supported by the annular boss 122 at the intermediate portion of the planetary shaft 80 between both side support walls 40b and 40c via a key (not shown).
  • the annular wall 121 is maintained along the side support walls 40b and 40c.
  • the outer peripheral surface of the annular wall 121 has three flat portions 121a, and these flat portions 12la are formed at equal intervals along the outer peripheral surface of the annular wall 121. Further, V-shaped grooves 121b for fitting the respective permanent magnets 120b to 120d are formed in the corresponding flat portions 121a, respectively, and the groove direction of each V-shaped groove 121b is an annular wall 121. Along the axial direction.
  • each of the permanent magnets 120b to 120d is formed to have the same outer shape as that of the permanent magnet 60b described above.
  • each of the permanent magnets 120b to 120d includes the two inclined walls 123, the two inclined walls 124, and the two end walls 123a respectively corresponding to the two inclined walls 65, the two inclined walls 66, and the both end walls 65a, 66a of the permanent magnet 60b. , 124a.
  • the permanent magnets 120b to 120d are respectively fitted into the V-shaped grooves 12 lb of the annular wall 121 by the inclined walls 123, and the permanent magnets 120b to 120d Both inclined walls 124 protrude in the radial direction of the annular wall 121 outward from each V-shaped groove 121b through an opening (not shown) of each pressing plate 125.
  • each pressing plate 125 is fastened to each corresponding flat surface portion 121a with a plurality of screws 125b.
  • Each permanent magnet 120b to 120d is magnetized to the N pole on the end wall 124a side and magnetized to the S pole on the end wall 123a side.
  • the planetary rotor 130 includes a central rotor body 130a (hereinafter referred to as a rotor body 130a) and three permanent magnets 130b to 130d.
  • the rotor main body 130a includes an annular wall 131 and an annular boss 132 formed concentrically on the inner peripheral portion of the annular wall 131.
  • the rotor body 130a is coaxially fitted and supported by the annular boss 132 at an intermediate portion of the planetary shaft 90 between both side support walls 40b and 40c via a key (not shown).
  • the annular wall 131 is maintained along the side support walls 40b and 40c.
  • the outer peripheral surface of the annular wall 131 has three flat portions 131 a, and these flat portions 13 la are formed at equal intervals along the outer peripheral surface of the annular wall 131.
  • Each permanent magnet 1 Each V-shaped groove 13 lb for fitting 30b to 130d is formed in each corresponding flat portion 13la, and these are formed along the axial direction of the annular wall 131.
  • each of the permanent magnets 130b to 130d is formed to have the same outer shape as that of the permanent magnet 60b described above.
  • each of the permanent magnets 130b to 130d includes the two inclined walls 133, the two inclined walls 134, and the two end walls 133a respectively corresponding to the two inclined walls 65, the two inclined walls 66, and the both end walls 65a, 66a of the permanent magnet 60b. 134a.
  • the permanent magnets 130b to 130d are fitted into the V-shaped grooves 13 lb of the annular wall 131 by the inclined walls 133, respectively.
  • the inclined wall 134 protrudes outward from each V-shaped groove 131b in the radial direction of the annular wall 131 through an opening (not shown) of each pressing plate 135.
  • each pressing plate 135 is fastened to each corresponding flat surface portion 13 la by a plurality of screws 135b.
  • the permanent magnets 130b to 30d are magnetized to the N pole on the end wall 133a side and magnetized to the S pole on the end wall 134a side.
  • the planetary rotor 140 includes a central rotor body 140a (hereinafter referred to as the rotor body 140a! And three permanent magnets 140b to 140d.
  • the rotor body 140a includes an annular wall 141 and an annular boss 142 formed concentrically on the inner peripheral portion of the annular wall 141.
  • the rotor main body 140a is coaxially fitted and supported by an annular boss 142 at an intermediate portion of the planetary shaft 100 between both side support walls 40b and 40c via a key (not shown).
  • the annular wall 141 is maintained along the side support walls 40b and 40c.
  • the outer peripheral surface of the annular wall 141 has three flat portions 141a, and these flat portions 14la are formed along the outer peripheral surface of the annular wall 141 at equal intervals. Further, each V-shaped groove 141b force for fitting each permanent magnet 140b to 140d is formed in the corresponding flat portion 141a, and the groove direction of each V-shaped groove 141b is an annular wall 141. Along the axial direction.
  • each of the permanent magnets 140b to 140d is formed to have the same outer shape as that of the permanent magnet 60b described above.
  • each of the permanent magnets 140b to 140d includes the two inclined walls 143, the two inclined walls 144, and the two end walls 143a corresponding to the two inclined walls 65, the two inclined walls 66, and the both end walls 65a and 66a of the permanent magnet 60b, respectively. 144a.
  • each permanent magnet 140b to 140d is fitted in each V-shaped groove 141b of the annular wall 141 by the both inclined walls 143, and both the permanent magnets 140b to 140d are inclined to both sides.
  • Wall 144 Projecting outward from each V-shaped groove 141b in the radial direction of the annular wall 141 through the opening 145a (see FIG. 1) of each pressing plate 145.
  • each pressing plate 145 is fastened to each corresponding flat surface portion 14 la with a plurality of screws 145b.
  • the permanent magnets 140b to 140d are magnetized to the N pole on the end wall 143a side and magnetized to the S pole on the end wall 144a side.
  • the interval between the opposing end walls of the opposing permanent magnets is as described above.
  • the predetermined value for example, lmn! To 2 mm
  • This predetermined value is determined by adjusting one outer diameter dimension H (see FIGS. 5 and 6) of the permanent magnet.
  • the rotation transmission device C includes an eccentric rotor 150.
  • the eccentric rotor 150 includes a rotor body 150a and two permanent magnets 150b.
  • the rotor body 150a includes an annular wall 151, an annular boss 152 formed on the inner peripheral portion of the annular wall 151, and an outer peripheral wall 153 formed concentrically on the outer peripheral portion of the annular wall 151.
  • the rotor body 150a is coaxially fitted and supported by the annular boss 152 via the key 152a to the extended end 51 of the central shaft 50 toward the front side of the front support wall 40b.
  • the annular wall 151 and the outer peripheral wall 153 are maintained along the front support wall 40b.
  • the annular boss 152 is formed so as to be eccentric at the center by a predetermined amount G with respect to the center of the annular wall 151 (axial center of the central shaft 50). For this reason, the eccentric rotor 150 is eccentric by a predetermined amount G with respect to the center of the central shaft 50 in the direction connecting the centers of the permanent magnets 150b in the width direction.
  • the outer peripheral surface of the outer peripheral wall 153 has two flat portions 153 a, and these flat portions 153 a are formed along the outer peripheral surface of the outer peripheral wall 153 at equal intervals. However, the two flat portions 153a are located in the eccentric direction of the boss 152 at the center thereof.
  • Each permanent magnet 150b is formed in the same rectangular parallelepiped shape, and each permanent magnet 150b is accommodated in a box-shaped recess 153b formed in each flat surface portion 153a of the outer peripheral wall 153.
  • Each retaining plate 154 prevents it from coming off.
  • each pressing plate 154 is fastened to each corresponding flat surface portion 153a with a plurality of screws 154a.
  • Each permanent magnet The stone 150b faces the outside through the opening 154b of the corresponding pressing plate 154. Further, each permanent magnet 150b is magnetized to the N pole on the surface side.
  • the rotation transmission device C includes a rotation promoting body 160, and the rotation promoting body 160 is configured by a base body 160a and a permanent magnet 160b.
  • the base 160a is installed at the bottom wall 161 on the front end of the bottom wall 40a of the rotation transmission device C.
  • the inclined upper wall 162 of the base 160a is attached to each permanent magnet 150b of the eccentric rotor 150. It is located directly under the lateral side of the outer peripheral surface of the rotor body 150a so as to face each other.
  • the permanent magnet 160b is formed in a fan shape in cross section, and the permanent magnet 160b is positioned so as to face each permanent magnet 150b of the eccentric rotor 150 on the cross-section arcuate surface.
  • the permanent magnet 160b is magnetized to the N pole on the arcuate surface side of the cross section.
  • the rotation promoting body 160 promotes the counterclockwise rotation illustrated in FIG. 7 of the eccentric rotor 150 by the magnetic repulsion action between the permanent magnet 160b and each permanent magnet 150b.
  • the support 40, the rotor main body 60a, the rotor main bodies 110a, 120a, 130a, 140a, 150a and the base body 160a described above are formed of a nonmagnetic material (for example, aluminum).
  • a nonmagnetic material for example, aluminum
  • the central shaft 50 and each planetary shaft 70 ⁇ : L00 are formed of a nonmagnetic material (for example, stainless steel 316).
  • the support body 40, the rotor body 60a, the rotor bodies 110a, 120a, 130a, 140a, 150a, the base body 160a, the central shaft 50, and the planetary shafts 70 to: LOO is provided for each of the central rotor 60.
  • the magnetic action between the permanent magnet and each permanent magnet of each planetary rotor 110 to 140 is not adversely affected magnetically.
  • each of the permanent magnets 60b to 60i, 110b to 110d, 120b to 120d, 130b to 130d, 140b to 140d, 150b, 160b described above is formed of a permanent magnet material, The magnetic force of each permanent magnet is constant. In the present embodiment, since each permanent magnet is formed of neodymium, the magnetic force of each permanent magnet can be maintained very strongly.
  • the rotation transmission device C has two front timing belts 170 a and 170 b as shown in FIG. 4, and the timing belt 170 a includes both upper left and lower left sprockets. It is equipped with 180a and 180b.
  • a series of tooth portions formed in an uneven shape on the inner peripheral wall of the timing belt 170a is sequentially meshed with a series of tooth portions formed in an uneven shape on each outer peripheral wall of both sprockets 180a and 180b, so that 170a and both sprockets 180a and 180b rotate in the same direction.
  • the left upper sprocket 180a is coaxially supported by the front extension portion of the planetary shaft 100 from the left upper corner of the front support wall 40b.
  • the lower left sprocket 180b is coaxially supported by the front extension of the planetary shaft 90 from the lower left corner of the front support wall 40b.
  • the timing belt 170b is mounted on both the upper right and lower right sprockets 190a, 190b.
  • a series of teeth formed in a concavo-convex shape on the inner peripheral wall of the timing belt 170b is sequentially meshed with a series of teeth formed in a concavo-convex shape on the outer peripheral walls of both sprockets 190a, 190b, whereby the timing belt 170b And both sprockets 190a, 190b rotate in the same direction.
  • the upper right sprocket 190a is coaxially supported by the front extension portion of the planetary shaft 70 from the upper right corner of the front support wall 40b.
  • the lower right sprocket 190b is coaxially supported by the front extension portion of the planetary shaft 80 from the lower left corner of the front support wall 40b.
  • the rotation transmission device C has a rear timing belt 200 as shown in FIG. 1.
  • the rear timing belt 200 is mounted on the left and right upper sprockets 210a and 210b. ing.
  • a series of teeth formed in an uneven shape on the inner peripheral wall of the timing belt 200 is sequentially meshed with a series of teeth formed in an uneven shape on the outer peripheral walls of both sprockets 210a and 210b, whereby the timing belt 200 And both sprockets 210a and 210b rotate in the same direction.
  • the upper left sprocket 210a is coaxially supported by the rear extension portion of the planetary shaft 100 from the upper left corner of the rear support wall 40c.
  • the sprocket 21 Ob on the upper right side is coaxially supported by the rear extension portion of the planetary shaft 70 with the force on the upper right corner of the rear support wall 40c.
  • the rotation transmission device C includes the timing belt 200 as shown in FIGS.
  • a tension degree adjusting mechanism 220 is provided, and this tension degree adjusting mechanism 220 is attached to a notch 44 formed at the center of the upper end of the rear support wall 40c.
  • the tension degree adjusting mechanism 220 has an L-shaped metal plate 221.
  • the metal plate 221 is mounted on the bottom of the notch 44 at the bottom plate portion 221a, and the rising plate portion 221b. Is extended upward along the rear surface of the support wall 40c.
  • the tension degree adjusting mechanism 220 includes a metal plate 222 and a roller 223, and the metal plate 222 is also mounted with a rear force on the rising plate portion 221b of the metal plate 221.
  • the roller 223 is rotatably fitted to the lower portion of the metal plate 222 by a roller shaft 223a. The roller 223 presses the intermediate portion of the upper belt portion of the timing belt 200 downward, and Adjust the tension of the timing belt 200.
  • each timing belt 170a, 170b and 200 and each corresponding sprocket 180a, 180b, 190a, 190b, 210a and 210b is determined by the rotation of each planetary rotor 110-140. Accordingly, it is selected to satisfy the following two conditions for smoothly rotating the central rotor 60.
  • the permanent magnets of the central rotor 60 are The meshing positions are selected so that they are attracted by the permanent magnets of the planetary rotors 110 to 140 located closest to the magnet in the rotational direction.
  • the speed increaser D has a large-diameter gear 230 and a small-diameter gear 240 that meshes with the gear 230.
  • the gear 230 has a T-shaped bracket in cross section at its shaft hole portion 231.
  • the central shaft 50 is coaxially fitted and supported via the hollow shaft portion 23 2 of 230a at the intermediate portion on the rear end side of the central shaft 50.
  • the bracket 230a is fitted in the hollow shaft portion 232 via the key 232a to the intermediate portion on the rear end side of the central shaft 50, and the front flange portion 223 of the bracket 220a is a gear. It is fixed to the front wall of 230.
  • the rear end portion of the central shaft 50 is rotatably supported by a pillow type bearing member 250. Further, the bearing member 250 is placed on a box-like table 250a on the installation surface L.
  • the small-diameter gear 240 is coaxially supported on the rotating shaft 260 of the AC generator E, and the gear 240 is meshed with the large-diameter gear 230.
  • the gear ratio of the gear 240 to the gear 230 is 8.
  • the AC generator E also serves as an AC generator such as a three-phase synchronous generator. This AC generator E is driven by the speed increaser D to generate a three-phase AC power. To do.
  • the rotation of the windmill A is transmitted by the gearbox B via the input shaft 20a, the input bevel gear, the output bevel gear and the output shaft 20b, and the coupling 30 according to the wind speed.
  • the gearbox B To the input shaft (planetary axis 90).
  • the gear ratio of the input side bevel gear to the output side bevel gear in the gear box B is 1, the rotational speed of the output shaft 20b of the gear box B is equal to the rotational speed of the windmill A.
  • both planetary rotors 110 and 120 are coupled with the sprockets 190a and 190b and the two planetary shafts 70 and 80 with the attachment of the timing belt 170b.
  • the shaft 70, the timing belt 170b, the sprocket 190b, and the planetary shaft 80 all rotate counterclockwise. Therefore, the rotor bodies and the permanent magnets of the planetary rotors 110 and 120 rotate in the clockwise direction.
  • each planetary rotor 110-140 force is connected by the three timing belts 170a, 200, and 170b as described above, so each planetary rotor 110-140 force windmill A rotation Accordingly, both rotate in the counterclockwise direction. Then, the central rotor 60 rotates as follows as the planetary rotors 110 to 140 rotate!
  • the permanent magnet 60d force of the central rotor 60, two of the three permanent magnets of the planetary rotor 120, f array, and the f3 ⁇ 4 of both permanent magnets 120b and 120d Near the permanent magnet 120d.
  • the permanent magnet 60f of the central rotor 60 is located in close proximity to the permanent magnet 130b between two of the three permanent magnets of the planetary rotor 130, for example, between the permanent magnets 130b and 130c.
  • the permanent magnet 60h of the central rotor 60 is located close to the permanent magnet 140c between two of the three permanent magnets of the planetary rotor 140, for example, the permanent magnets 140c and 140d. (See Fig. 8).
  • any permanent magnet of the central rotor 60 faces the shifted permanent magnets of the planetary rotors 110 to 140, and is in a state. Then, the permanent magnet force of the central rotor 60 is attracted by the permanent magnets of the planetary rotors 110 to 140 located closest to the permanent magnets in the rotational direction as described above. Under such suction, the central rotor 60 rotates smoothly in the clockwise direction as the planetary rotors 110 to 140 rotate in the counterclockwise direction (see FIGS. 10 and 11). ). Here, the central rotor 60 makes one eighth rotation with each planetary rotor 110-140 making one rotation.
  • the eccentric rotor 150 rotates in the clockwise direction in conjunction with the central rotor 60.
  • the axial force of the central shaft 50 is also eccentric by a predetermined amount G in the direction connecting the centers in the width direction of the permanent magnets 150b.
  • the angle at which the permanent magnet 150b enters the counter-clockwise direction toward the cross-section arc-shaped surface of the permanent magnet 160b of the rotation promoting body 160 that is, the entry angle at which the two permanent magnets 150b and 160b act magnetically, It changes so as to increase by an angle corresponding to the predetermined amount G.
  • the magnetic force between the permanent magnets 150b and 160b changes so as to increase gradually.
  • the rotation of the central rotor 60 can be promoted more smoothly.
  • the AC generator E is not limited to three phases, and may be, for example, a single phase AC generator. Further, instead of the AC generator E, a DC generator may be adopted. According to this, DC power can be generated according to the wind speed.
  • the present invention may be applied to, for example, a hydroelectric power generation system instead of a wind power generation system.
  • a hydroelectric power generation system instead of the wind turbine A and the gear box B, the water turbine is coaxially connected to the input shaft of the rotation transmission device C via the coupling 30, so that the substantially same operation effect as the above embodiment is achieved.
  • AC power is generated by hydropower.
  • each permanent magnet force of the central rotor 60 may have a polarity that attracts each permanent magnet of each planetary rotor 110-140.
  • each permanent magnet of the central rotor 60 or each permanent magnet of each planetary rotor 110 to 140 may be a polarity opposite to the polarity described in the above embodiment.
  • each permanent magnet force of the central rotor 60 may have a polarity that repels each permanent magnet of each planetary rotor 110-140.
  • the timing bell ⁇ 200 may be installed via the sprockets at the rear extension ends of the planetary shafts 80 and 90 instead of the planetary shafts 70 and 100.
  • the timing belts 170a, 170b, and 200 are all configured in such a configuration that all the planetary shafts 70-: L00 rotate in the same direction without being limited to the configuration described in the above embodiment. Equip each timing belt 170a, 170b and 200!
  • the center axis 50 may be grasped as a concept included in the central rotor 60, and each planetary axis 70 ⁇ : L00 may be grasped as a concept included in each corresponding planetary rotor 110 ⁇ 140. Yes.
  • the speed increaser D may be configured with, for example, both pulleys corresponding to both gears 230 and 240 and a belt fitted to these pulleys instead of the configuration of both gears 230 and 240.
  • gearbox B (10) The gear ratio of both bevel gears in gearbox B may be set to 8, and gearbox D may be eliminated.
  • the input shaft of the rotation transmission device C may be the planetary shaft 120, not limited to the planetary shaft 90. If the gearbox B is installed higher, the input shaft of the rotation transmission device C may be the planetary shaft 70 or 100!
  • the drive motor is connected coaxially to the planetary shaft that is the input shaft of the rotation transmission device C via the force coupling 30 and replaced with the AC generator E.
  • a rotational load such as a hydraulic pump may be connected coaxially to the central shaft 50 that is the output shaft of the rotation transmission device C via the speed increaser D.
  • the rotation transmission device C can transmit the rotation of the drive motor to the rotation load, and the rotation load can be rotated.
  • Such rotation of the rotation load can be made smooth including the low rotation region under the effect of the rotation transmission device C described in the above embodiment. Therefore, the operation by the rotation of the rotation load can be stably maintained.
  • the rotation transmission device C has a function of decelerating to 1/8. Therefore, the rotational speed of the drive motor is high and the rotational load is low.
  • the rotation transmission device C is suitable as a constant speed reduction device.
  • the number of permanent magnets of the central rotor 60 and the number of permanent magnets of each of the planetary rotors 110 to 140 described in the above embodiment may be changed as appropriate.
  • the reduction ratio of rotation transmission device C ratio of input rotation speed to output rotation speed
  • FIG. 1 is a partially broken plan view showing an embodiment of a wind power generation system according to the present invention.
  • FIG. 2 is a cross-sectional side view of an essential part of the wind power generation system.
  • FIG. 3 The central rotor and each planetary rotor in the above embodiment are viewed from the front support wall. It is an enlarged front view.
  • FIG. 4 is a front view of the front support wall in the embodiment as seen together with the front timing belt.
  • FIG. 5 is a front view of the permanent magnet in the embodiment.
  • FIG. 6 is a side view of the permanent magnet in the embodiment.
  • FIG. 7 is a front view of the eccentric rotator in the embodiment described above together with the rotation promoting body and the front side force.
  • FIG. 8 is a front view showing a rotation process of the central rotor and each planetary rotor in the embodiment.
  • FIG. 9 is a front view showing a rotation process of the central rotor and each planetary rotor in the embodiment.
  • FIG. 10 is a front view showing the rotation process of the central rotor and each planetary rotor in the embodiment.
  • FIG. 11 is a front view showing a rotation process of the central rotor and each planetary rotor in the embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

La présente invention concerne un dispositif de transmission rotatif sans contact capable de transmettre correctement des rotations, y compris celles dans une plage de faible vitesse de rotation sans dépendre de courant de Foucault en améliorant la structure et l’agencement d’aimants permanents. Des rotors planétaires (110) à (140) sont disposés le long de la périphérie extérieure d’un rotor central (60). Le rotor central (60) comprend un corps de rotor (60a) et les aimants permanents (60b) à (60i) installés à des intervalles le long de la paroi périphérique extérieure du corps de rotor (60a). Chacun des rotors planétaires (110) à (140) comprend un corps de rotor et les aimants permanents installés à des intervalles le long de la paroi périphérique extérieure du corps de rotor. Les aimants permanents de chacun des rotors planétaires (110) à (140) sont positionnés afin d’être attirés de façon magnétique vers l’un des aimants permanents du rotor central (60) de manière telle qu’ils soient l’un en face de l’autre à travers un espace libre prédéterminé. Une courroie synchrone est enroulée autour de chacun des deux rotors planétaires (110, 120), (130, 140), et (140, 110).
PCT/JP2006/319143 2005-09-28 2006-09-27 Dispositif de transmission rotatif sans contact et système de génération d’énergie électrique WO2007037257A1 (fr)

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JP2005-281730 2005-09-28
JP2005281730A JP4817412B2 (ja) 2005-09-28 2005-09-28 非接触型回転伝達装置及び発電システム

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN102270918A (zh) * 2011-07-26 2011-12-07 融德（大连）机电工程设备有限公司 启动状态间隙可调的磁力偶合器
WO2012034026A1 (fr) * 2010-09-10 2012-03-15 Future Force, Llc Appareil et procédé permettant de générer de l'énergie à partir d'un courant fluide
WO2012044791A1 (fr) * 2010-09-29 2012-04-05 David Chi-Henry Su Transmission à lévitation magnétique
CN104009610A (zh) * 2014-06-12 2014-08-27 上海市东方海事工程技术有限公司 一种永磁涡流调速器

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CN104038022B (zh) * 2014-05-21 2016-08-17 煤科集团沈阳研究院有限公司 一种矿用调速型永磁传动装置
CN104333198B (zh) * 2014-11-11 2016-07-20 迈格钠磁动力股份有限公司 一种单磁转子的永磁调速装置
CN104660010B (zh) * 2015-03-12 2017-08-25 江苏南自通华电力自动化股份有限公司 一种外转子型涡流传动装置
CN112850170B (zh) * 2021-03-02 2022-06-10 王坦之 一种非接触驱动传动系统

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JP2002247833A (ja) * 2001-02-16 2002-08-30 Isel Co Ltd 遊星式伝動装置
JP2002303254A (ja) * 2001-04-05 2002-10-18 Mitsubishi Heavy Ind Ltd 風力発電装置
JP3106621U (ja) * 2003-08-08 2005-01-06 永和 劉 非接触式の輪式伝動装置
JP2005315370A (ja) * 2004-04-30 2005-11-10 Chugoku Electric Power Co Inc:The 動力伝達装置

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JPS493036A (fr) * 1972-05-02 1974-01-11
JPH0217879A (ja) * 1988-07-06 1990-01-22 Tadao Ikejiri 複合磁気歯車式モータ
JP2002247833A (ja) * 2001-02-16 2002-08-30 Isel Co Ltd 遊星式伝動装置
JP2002303254A (ja) * 2001-04-05 2002-10-18 Mitsubishi Heavy Ind Ltd 風力発電装置
JP3106621U (ja) * 2003-08-08 2005-01-06 永和 劉 非接触式の輪式伝動装置
JP2005315370A (ja) * 2004-04-30 2005-11-10 Chugoku Electric Power Co Inc:The 動力伝達装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012034026A1 (fr) * 2010-09-10 2012-03-15 Future Force, Llc Appareil et procédé permettant de générer de l'énergie à partir d'un courant fluide
WO2012044791A1 (fr) * 2010-09-29 2012-04-05 David Chi-Henry Su Transmission à lévitation magnétique
CN102270918A (zh) * 2011-07-26 2011-12-07 融德（大连）机电工程设备有限公司 启动状态间隙可调的磁力偶合器
CN104009610A (zh) * 2014-06-12 2014-08-27 上海市东方海事工程技术有限公司 一种永磁涡流调速器

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TW200721641A (en) 2007-06-01
JP2007092849A (ja) 2007-04-12
JP4817412B2 (ja) 2011-11-16
TWI347727B (en) 2011-08-21

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