WO2012026230A1 - Moteur, pompe servant de source d'entraînement pour moteur, et équipement entraîné par pompe équipé de la pompe - Google Patents

Moteur, pompe servant de source d'entraînement pour moteur, et équipement entraîné par pompe équipé de la pompe Download PDF

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Publication number
WO2012026230A1
WO2012026230A1 PCT/JP2011/065774 JP2011065774W WO2012026230A1 WO 2012026230 A1 WO2012026230 A1 WO 2012026230A1 JP 2011065774 W JP2011065774 W JP 2011065774W WO 2012026230 A1 WO2012026230 A1 WO 2012026230A1
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WO
WIPO (PCT)
Prior art keywords
pump
positioning
magnetic pole
motor
extension
Prior art date
Application number
PCT/JP2011/065774
Other languages
English (en)
Japanese (ja)
Inventor
真二 末松
真人 布村
俊治 橋本
Original Assignee
パナソニック株式会社
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Filing date
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Application filed by パナソニック株式会社 filed Critical パナソニック株式会社
Publication of WO2012026230A1 publication Critical patent/WO2012026230A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor pumps
    • F04D13/064—Details of the magnetic circuit
    • 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
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148—Sectional cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/10—Applying solid insulation to windings, stators or rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

Definitions

  • the present invention relates to a motor, a pump using the motor as a drive source, and a pump driving device equipped with the pump.
  • a motor in which a magnetic pole portion is provided at the tip of a plurality of tooth portions projecting from a yoke portion, and a coil winding portion is provided in each tooth portion (see, for example, Patent Document 1). .
  • Patent Document 1 an extension portion extending in the direction along the rotation axis of the rotor is provided in the magnetic pole portion, and the area of the magnetic pole portion facing the permanent magnet is increased, thereby improving the driving efficiency of the motor. Yes.
  • the extension is attached to the magnetic pole by welding or bonding in a state where the magnetic pole is aligned with the extension using a jig or the like. There was a problem that the work became complicated.
  • an object of the present invention is to obtain a motor capable of easily performing the attaching operation of the extension portion while improving the driving efficiency, a pump using the motor as a driving source, and a pump driving device equipped with the pump.
  • a motor according to the present invention includes a rotatable rotor in which permanent magnets are arranged in a circumferential direction, and a stator core having a magnetic pole portion arranged to face the permanent magnets, and is formed by laminating plates made of a magnetic material.
  • the magnetic pole portion extends in the axial direction of the rotor and includes an extension portion formed by laminating plate members made of a magnetic material, and between the extension portion and the magnetic pole portion.
  • the main feature is that a positioning part is provided for positioning both of them.
  • the pump according to the present invention is characterized by using the motor as a drive source.
  • the pump driving device is characterized in that the pump is mounted.
  • the magnetic pole portion is provided with the extending portion extending in the axial direction of the rotor, the area of the magnetic pole portion facing the permanent magnet can be increased, and the drive efficiency of the motor can be improved. Can do.
  • the extension part can be positioned without using a jig or the like. As a result, the attaching work of the extension part to the magnetic pole part can be easily performed.
  • a motor capable of easily mounting the extension while improving the driving efficiency of the motor, a pump using the motor as a drive source, and a pump drive equipped with the pump Equipment can be obtained.
  • FIG. 1 is a cross-sectional view schematically showing a pump using the motor according to the first embodiment of the present invention.
  • FIG. 2 is a perspective view of a main part of the stator constituting the motor shown in FIG.
  • FIG. 3 is a plan view schematically showing the main part of the motor shown in FIG. 4 is a schematic cross-sectional view taken along the line II in FIG.
  • FIG. 5 is a sectional view schematically showing the positioning state of the magnetic pole part and the extension part shown in FIG. 4 in an exploded manner.
  • FIG. 6 is a schematic plan view showing various aspects of the through holes formed in the magnetic pole portion shown in FIG. 4 from (a) to (c), respectively.
  • FIG. 1 is a cross-sectional view schematically showing a pump using the motor according to the first embodiment of the present invention.
  • FIG. 2 is a perspective view of a main part of the stator constituting the motor shown in FIG.
  • FIG. 3 is a plan view schematically showing the main part of the motor shown in
  • FIG. 7 is a cross-sectional view of the main part showing the second convex portion of the extension corresponding to the caulking portion in the case of FIG.
  • FIG. 8 is a cross-sectional view schematically showing a stator constituting the motor according to the second embodiment of the present invention.
  • FIG. 9 is an exploded sectional view schematically showing the positioning state of the magnetic pole part and the extension part shown in FIG.
  • FIG. 10 is a cross-sectional view schematically showing a stator constituting the motor according to the third embodiment of the present invention.
  • FIG. 11 is a cross-sectional view schematically showing an exploded positioning state of the magnetic pole part and the extension part shown in FIG.
  • FIG. 12 is a plan view schematically showing the main part of the motor according to the fourth embodiment of the present invention.
  • FIG. 13 is a schematic cross-sectional view along the line II-II in FIG.
  • FIG. 14 is a perspective view of the magnetic pole part and the extension part shown in FIG. 13 as viewed from the side facing the permanent magnet.
  • FIG. 15 is a cross-sectional view schematically showing a stator constituting the motor according to the fifth embodiment of the present invention.
  • FIG. 16 is a perspective view of the magnetic pole part and the extension part shown in FIG. 15 as viewed from the side facing the permanent magnet.
  • FIG. 17 is sectional drawing which shows typically the internal structure of the dishwasher concerning 6th Embodiment of this invention.
  • FIG. 18 is a system diagram schematically showing a hot water supply unit according to a first modification of the sixth embodiment of the present invention.
  • FIG. 19 is a cross-sectional view schematically showing the internal structure of the washing machine according to the second modification of the sixth embodiment of the present invention.
  • the motor P shown in FIG. 2 is used as a drive source, and the pump P shown in FIG. 1 is configured.
  • the pump P includes an impeller 110 that rotates around an output shaft 11 of the motor M (the shaft of the rotor 20), a pump chamber 120 that houses the impeller 110, and the pump chamber 120. And a pump case 121 that forms the outer shell of the pump.
  • the motor M includes a rotor 20 having a permanent magnet 21 and a stator 30 having a stator core 30 a and a coil winding portion 31, and energizes the coil winding portion 31.
  • the output shaft 11 is rotated together with the rotor 20.
  • the pump case 121 is formed with a suction port 122 that communicates with the center of the pump chamber 120 and a discharge port 123 that communicates with the outer periphery of the pump chamber 120. Then, by rotating the impeller 110, liquid such as water sucked from the suction port 122 is discharged from the discharge port 123 by centrifugal force.
  • the motor M is disposed on the side opposite to the suction port 122 with respect to the impeller 110, and the motor M and the pump chamber 120 are partitioned liquid-tightly by the separation plate 130.
  • the outer peripheral portion of the separation plate 130 is liquid-tightly coupled to the pump case 121 via a sealing material (not shown).
  • a storage chamber 131 for rotatably storing the permanent magnet 21 of the motor M is recessed in the center of the separation plate 130, and the permanent magnet 21 and the stator 30 are partitioned liquid-tightly by the storage chamber 131. It has been.
  • the impeller 110 and the rotor 20 are integrally formed.
  • the permanent magnet 21 constituting the rotor 20 is formed in a substantially cylindrical shape concentrically arranged with the output shaft 11, and the permanent magnet 21 is multipolarly magnetized in the circumferential direction.
  • the motor M is configured as an inner rotor type motor in which the stator 30 is concentrically arranged on the outer peripheral side of the permanent magnet 21.
  • the stator 30 includes a stator core 30 a having a magnetic pole portion 34 disposed to face the permanent magnet 21.
  • the stator core 30a includes an annular yoke portion 32 arranged concentrically with the rotor 20, and a plurality of teeth portions 33 projecting from an inner side surface 32a (see FIG. 2) that faces the permanent magnet 21 of the yoke portion 32. And a magnetic pole portion 34 provided at the tip of each tooth portion 33 and disposed opposite to the magnetized surface 21b (see FIG. 3) of the permanent magnet 21.
  • Each tooth portion 33 is formed with a coil winding portion 31 around which a coil is wound.
  • the outside of the yoke part 32, the teeth part 33, and the magnetic pole part 34 is covered with a protective resin 36. Note that the surface 34c of the magnetic pole portion 34 facing the permanent magnet 21 is exposed without the protective resin 36 being provided.
  • the motor M is provided with a control board 40 as shown in FIG.
  • the control board 40 receives a signal from a position detection sensor (not shown) that detects the rotational position of the rotor 20 and controls the current that flows through the coil winding portion 31, thereby controlling the magnetic field generated in the magnetic pole portion 34. Is.
  • the stator 30 and the control board 40 are arranged on the opposite side of the separation plate 130 from the pump chamber 120.
  • the stator 30 and the control substrate 40 are covered with the mold resin 41. Therefore, the entire motor unit including the stator 30 and the control board 40 can be protected by the mold resin 41 and the strength can be increased.
  • the yoke portion 32, the teeth portion 33, and the magnetic pole portion 34 constituting the stator core 30a are each integrated, and a plate material SP made of a soft magnetic material such as a plurality of (for example, 20 to 30) steel plates. It is formed by laminating. Further, the teeth 33 and the magnetic poles 34 protruding from the inner side surface 32 a of the yoke part 32 are arranged at equal intervals in the circumferential direction according to the number of poles of the permanent magnet 21.
  • the axial height h1 of the teeth portion 33 is substantially equal to the axial height h2 of the yoke portion 32.
  • the height h3 of the magnetic pole part 34 is also equal to the height h1 of the tooth part 33.
  • a plate material SPb is laminated on the magnetic pole portion 34, and an extension 35 extending in the direction of the output shaft (the axis of the rotor 20) is provided by the lamination of the plate material SPb.
  • the extension portion 35 is provided on both side surfaces 34 a and 34 b in the axial direction of the magnetic pole portion 34.
  • the plate member SPb of the extension portion 35 is also formed of a soft magnetic material such as a steel plate similar to the yoke portion 32.
  • the extension portion 35 by providing the extension portion 35, the overall height h 4 of the magnetic pole portion 34 is made larger than the height h 1 in the axial direction of the teeth portion 33, and the permanent magnet 21 of the magnetic pole portion 34 including the extension portion 35 is provided.
  • the area facing is increased. And it becomes possible to improve the driving efficiency of the motor M by increasing the facing area of the magnetic pole part 34 including the extension part 35 to the permanent magnet 21.
  • a positioning portion 50 is provided between the extension portion 35 and the magnetic pole portion 34 so as to position both of them.
  • the positioning part 50 is provided at the magnetic pole part 34 at a position facing the through hole (positioning concave part) 51 penetrating in the stacking direction (axial direction) of the plate material SP and the through hole 51 of the extension part 35.
  • the positioning convex portion 52 is provided and is fitted to the end portion of the through hole 51.
  • the magnetic pole part 34 corresponds to one of the magnetic pole part and the extension part
  • the extension part 35 corresponds to one of the magnetic pole part and the extension part
  • the plate member SPb of the extension portion 35 is caulked from the outer side to the inner side in the stacking direction of the plate material SPb to form the caulking portion 53, and the positioning convex portion 52 is formed by this caulking. .
  • the extension part 35 is fitted to both end portions of the through hole 51 so that the extension 35 is attached to the magnetic pole part 34.
  • the two side surfaces 34a and 34b are respectively positioned.
  • stator core 30a is formed by fixing the extension 35 to the magnetic pole 34 in a state where the extension 35 is positioned at the magnetic pole 34.
  • extension 35 and the magnetic pole 34 can be fixed by caulking or pin fixing, laser welding of the end face, adhesion, or the like.
  • a through hole 51 having a circular cross section may be formed at one location in the center of the magnetic pole portion 34.
  • the configuration in which one circular through hole 51 is formed is suitable when the motor M is small and the shape of the magnetic pole portion 34 is small.
  • two through holes 51 having a circular cross section may be formed on both sides of the magnetic pole part 34.
  • the configuration in which the two circular through holes 51 are formed is suitable when it is desired to reliably prevent the extension 35 from rotating.
  • a through hole 51 having a rectangular cross section may be formed at one location in the center of the magnetic pole portion 34.
  • the configuration in which the rectangular through-hole 51 is formed is suitable when it is desired to prevent the extension 35 from being rotated at one place.
  • the positioning convex portion 52 be a V-caulking portion 52a that protrudes in a V-shaped cross section.
  • the direction of the V-caulking portion 52a is the same direction as the winding direction of the winding (in this embodiment, the V-caulking portion 52a is formed so as to have a V-shaped cross section when viewed from the radial direction). Is preferred. In this way, when the coil is wound around the tooth portion 33, the extension portion 35 can be prevented from being detached from the magnetic pole portion 34 when a radial force is applied to the extension portion 35.
  • the magnetic pole part 34 of the stator core 30a is provided with the extension part 35 extending in the direction of the output shaft (the axis of the rotor 20) 11. For this reason, the opposing area with the permanent magnet 21 of the magnetic pole part 34 including the extension part 35 can be increased, and the output of the motor M can be increased.
  • the stator core 30a that is, the magnetic pole portion 34 is formed by laminating the plate material SP in the axial direction
  • the extension portion 35 is formed by laminating the plate material SPb in the axial direction. Therefore, the eddy current generated in the magnetic pole part 34 and the extension part 35 can be divided, the heat generation of the motor M due to the eddy current and the eddy current is reduced, and the driving efficiency of the motor M can be further improved.
  • the extension part 35 can be positioned without using a jig or the like. As a result, the attaching work of the extension part 35 to the magnetic pole part 34 can be easily performed.
  • the positioning portion 50 includes a through hole (positioning recess) 51 that is provided in the magnetic pole portion (one of the magnetic pole portion and the extension portion) 34 and penetrates in the stacking direction of the plate members SP. . Therefore, the through-hole 51 becomes a locking part, and the extension part 35 can be positioned easily. Furthermore, by using the through hole 51, the magnetic flux flowing in the central portion of the magnetic pole portion 34 can be easily passed through the extension portion 35, and the driving efficiency of the motor M can be further improved.
  • the positioning portion 50 is a positioning convex portion that fits into the end portion of the through hole 51 at a position facing the through hole 51 of the extension portion (one of the magnetic pole portion and the extension portion) 35. 52. Therefore, since the extension part 35 can be positioned only by fitting the positioning convex part 52 to the through-hole 51, the positioning can be performed more easily and reliably.
  • the plate member SPb of the extension portion 35 is caulked from the outer side to the inner side in the stacking direction of the plate material SPb to form the caulking portion 53, and the positioning convex portion 52 is formed by this caulking. . Therefore, the positioning convex portion 52 can be formed more easily.
  • the positioning portion 50 ⁇ / b> A includes a through hole (insertion hole) 51 formed in the magnetic pole portion 34, and an attachment hole 54 provided in the extension portion 35 and passing through the through hole (insertion hole) 51 in the coaxial direction.
  • the point which is comprised by the pin 55 inserted over this attachment hole 54 and the through-hole 51 is mainly different from the said 1st Embodiment.
  • the formation position and shape of the positioning portion 50A can be various aspects.
  • the positioning portion 50 ⁇ / b> A is provided in the through hole (insertion hole) 51 formed in the magnetic pole portion 34 and the extension portion 35, and penetrates through the through hole (insertion hole) 51 in the coaxial direction.
  • the mounting hole 54 includes a pin 55 that is inserted across the mounting hole 54 and the through hole 51. Therefore, alignment between the extension portion 35 and the magnetic pole portion 34 can be performed easily and accurately.
  • the pin 55 is press-fitted into the attachment hole 54 and the through hole 51, the extension portion 35 can be fixed to the magnetic pole portion 34 by the pin 55 at the same time.
  • the positioning portion 50B is formed in the positioning concave portion 56a and the positioning convex portion 56b formed on the both side surfaces 34a and 34b side of the magnetic pole portion 34, and the extension portion 35, respectively, and the positioning concave portion 56a and the positioning convex portion 56b.
  • the point which is comprised by the positioning convex part 57b and the positioning recessed part 57a which each fit in is mainly different from the said 1st Embodiment.
  • the positioning recess 56a, the positioning projection 56b, the positioning projection 57b, and the positioning recess 57a are formed by caulking.
  • the formation position and shape of the positioning portion 50B can be various aspects.
  • the positioning portion 50C is provided on the surface 34c of the magnetic pole portion 34 facing the permanent magnet 21, and includes the first recess 58 extending in the axial direction, that is, the stacking direction of the plate members SP. Mainly different from the one embodiment.
  • the positioning portion 50C is provided continuously with the first recess 58 on the surface 35a of the extension portion 35 facing the permanent magnet 21, and the protective resin 36 covers the outside of the magnetic pole portion 34 therebetween. Is provided with a second recess 59.
  • the central portion of the first recess 58 is an empty space where the protective resin 36 is not provided.
  • the positioning portion 50C includes the first recess 58 on the facing surface 34c of the magnetic pole portion 34.
  • the first recess 58 serves as a locking portion for the protective resin 36, so that the extension portion 35 can be easily positioned.
  • the first concave portion 58 allows the magnetic flux flowing in the central portion of the magnetic pole portion 34 to be easily caused to flow by the extension portion 35, and the driving efficiency of the motor M can be further improved. At this time, by providing an empty space in the central portion of the first recess 58, the effect of flowing the magnetic flux through the extension portion 35 can be further enhanced.
  • a second recess 59 is provided continuously to the first recess 58 on the facing surface 35 a of the extension 35, and the protective resin 36 is fitted between the first recess 58 and the second recess 59. Therefore, the extension part 35 can be positioned and fixed reliably.
  • the extension resin 35 is fitted to the first recess 58 in a state where the extension 35 is fitted to the protection resin 36, the extension 35 can be more easily aligned with the magnetic pole part 34. Can do.
  • the extension portion 35 can be positioned using the protective resin 36 effectively.
  • the configuration is basically the same as that of the fourth embodiment, and the first recess 58 is provided on the facing surface 34c of the magnetic pole portion 34.
  • this embodiment is mainly different from the fourth embodiment described above in that the positioning portion 50D includes the second convex portion 60 that is formed in the extension portion 35 and is locked to the end portion of the first concave portion 58. There is in point.
  • the second convex portion 60 is formed by protruding only one plate material SPb contacting the magnetic pole portion 34 out of the plurality of plate materials SPb forming the extension portion 35 in a V shape. Forming.
  • the positioning portion 50D includes the second convex portion 60 formed in the extension portion 35, and the second convex portion 60 is locked to the end portion of the first concave portion 58.
  • the extension portion 35 can be easily positioned.
  • the 2nd convex part 60 was made to fit in the 1st recessed part 58, the magnetic flux which flows into the magnetic pole part 34 can be made to flow into the extension part 35 more easily than the said 4th Embodiment. Therefore, the drive efficiency of the motor M can be further improved.
  • FIG. 17 shows, as an example, a dishwasher 200 as a pump drive device according to the present embodiment.
  • this dishwasher 200 water or hot water is supplied from the water supply port 201 to the water storage tank 202.
  • the water or hot water supplied to the water storage tank 202 is sent from the water storage tank 202 to the nozzle 203 by the cleaning pump P 1, and the water or hot water is ejected from the nozzle 203 so as to be arranged in the dishwasher 200.
  • the washed water or hot water falls downward and is stored in the water storage tank 202, and is sent again to the nozzle 203 by the cleaning pump P1. Then, after circulating cleaning for a predetermined time, the water in the water storage tank 202 is drained by stopping the cleaning pump P1 and operating the drain pump P2.
  • the washing pump P1 is operated for a predetermined time to perform rinsing. Thereafter, the washing pump P1 is stopped and the drainage pump P2 is operated to drain the water or hot water in the water storage tank 202.
  • the tableware 204 arranged in the dishwasher 200 is washed by rinsing by repeating the above operation several times.
  • the pump P (see FIG. 1) using the motor M exemplified in the first embodiment as a drive source is used for the washing pump P1 and the drainage pump P2 described above.
  • the washing pump P1 and the drainage pump P2 are configured by using the pump P using the motor M of the present invention as a driving source in the dishwasher 200 according to the present embodiment, thereby improving the driving output of the pump.
  • the dishwasher 200 can be easily obtained.
  • pumps P1 and P2 it is also possible to use the pump P using the motor M shown in the first to fifth embodiments as a drive source. Even in this case, similar actions and effects can be achieved.
  • FIG. 18 shows a first modification of the sixth embodiment, and illustrates a case where the pump drive device is a hot water supply unit 300 as a hot water heater.
  • This hot water supply unit 300 is Ecocute (registered trademark), which is a hot water supply system using a heat pump using CO2 as a refrigerant, which can reduce power consumption and is environmentally friendly.
  • FIG. 18 is a schematic diagram of the system.
  • the hot water supply unit 300 includes a heat pump unit 301, a hot water storage unit 302, a bath 303, a floor heating 304, a reheating heat exchanger 305, a heating heat exchanger 306, and the like.
  • the hot water supply unit 300 is provided with a hot water faucet 307 for washing the kitchen and the bathroom and an auxiliary tank 308 for accumulating hot water, and a pressure reducing valve 310 is provided downstream of the water supply port 309 and a floor heating 304 is provided. Is provided with a thermal valve 311. Further, a plurality of mixing valves 312 and safety valves 313 are provided in each pipe.
  • water and hot water are sent to hot water faucet 307 etc. for bath 303, a kitchen, or a washroom at desired temperature, It can be supplied at a flow rate.
  • the pumps P (see FIG. 1) using the motor M exemplified in the first embodiment as a drive source are used for the above-described pumps P4 to P8, respectively.
  • the hot water supply unit 300 is configured by using the pumps P4 to P8 using the pump P with the motor M of the present invention as a drive source, thereby improving the drive output of the pump.
  • the unit 300 can be easily obtained.
  • the pump P of the present invention can be used not only in the hot water supply unit 300 that is an electric water heater using the heat pump described above but also in a gas water heater or a cogeneration system. Further, as the motor used for the pump P, the motor M shown in the first to fifth embodiments can be used. Even in this case, similar actions and effects can be achieved.
  • FIG. 19 shows a second modification of the sixth embodiment, and illustrates a case where the pump drive device is the washing machine 400.
  • the washing tub 401 is rotationally controlled by a motor (not shown).
  • the washing tub 401 is rotated, and water in the washing machine 400 is circulated by the circulation pump P3 to wash clothes and the like. Like to do.
  • the pump P (see FIG. 1) using the motor M exemplified in the first embodiment as a drive source is used as the circulation pump P3.
  • the washing machine 400 which improved the drive output of the pump by comprising the circulation pump P3 using the pump P which used the motor M of this invention as the drive source to the washing machine 400 concerning this modification is used. Can be easily obtained.
  • the pump P using the motor M shown in the first to fifth embodiments as a drive source can be used as the pump P3. Even in this case, similar actions and effects can be achieved.
  • the motor M is described as being an inner rotor type.
  • the present invention is not limited to this and may be applied to an outer rotor type in which the stator is disposed on the inner peripheral side of the rotor. Can do.
  • the magnetic pole part, positioning part, and other detailed specifications can be changed as appropriate.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

La présente invention concerne un noyau de stator (30a), formé par stratification de plusieurs couches de plaques (SP) comprenant un matériau magnétique doux, et formant d'un seul tenant un étrier (32), des dents (33), et des pôles magnétiques (34). Les pôles magnétiques (34) sont pourvus d'extensions (35) formées par stratification de plusieurs couches de plaques (Spb) comprenant un matériau magnétique doux. De plus, des sections de positionnement (50), qui positionnent les extensions (35) et les pôles magnétiques (34) les uns par rapport aux autres, sont disposées entre les extensions (35) et les pôles magnétiques (34).
PCT/JP2011/065774 2010-08-25 2011-07-11 Moteur, pompe servant de source d'entraînement pour moteur, et équipement entraîné par pompe équipé de la pompe WO2012026230A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010188232A JP2012050195A (ja) 2010-08-25 2010-08-25 モータ、当該モータを駆動源とするポンプ、当該ポンプを搭載したポンプ駆動機器
JP2010-188232 2010-08-25

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WO2012026230A1 true WO2012026230A1 (fr) 2012-03-01

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PCT/JP2011/065774 WO2012026230A1 (fr) 2010-08-25 2011-07-11 Moteur, pompe servant de source d'entraînement pour moteur, et équipement entraîné par pompe équipé de la pompe

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CN104734376B (zh) * 2014-12-23 2018-12-07 广东威灵电机制造有限公司 电机定子铁芯、电机定子、电机和电机定子的制造方法
JP6616362B2 (ja) * 2017-09-04 2019-12-04 シナノケンシ株式会社 ブラシレスモータ及び固定子の巻線方法
EP3456367A1 (fr) * 2017-09-19 2019-03-20 Abiomed Europe GmbH Pompe sanguine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001025185A (ja) * 1999-07-06 2001-01-26 Toshiba Corp モータ
JP2002354718A (ja) * 2001-05-24 2002-12-06 Toshiba Corp 電動機の固定子
JP2004159476A (ja) * 2002-11-08 2004-06-03 Yaskawa Electric Corp 交流電動機
JP2009005449A (ja) * 2007-06-20 2009-01-08 Panasonic Corp モータ用の積層コアとこれを用いるモータ
JP2009177984A (ja) * 2008-01-25 2009-08-06 Panasonic Electric Works Co Ltd モータのインシュレータ構造
JP2009232538A (ja) * 2008-03-21 2009-10-08 Panasonic Corp コンデンサ電動機の固定子

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001025185A (ja) * 1999-07-06 2001-01-26 Toshiba Corp モータ
JP2002354718A (ja) * 2001-05-24 2002-12-06 Toshiba Corp 電動機の固定子
JP2004159476A (ja) * 2002-11-08 2004-06-03 Yaskawa Electric Corp 交流電動機
JP2009005449A (ja) * 2007-06-20 2009-01-08 Panasonic Corp モータ用の積層コアとこれを用いるモータ
JP2009177984A (ja) * 2008-01-25 2009-08-06 Panasonic Electric Works Co Ltd モータのインシュレータ構造
JP2009232538A (ja) * 2008-03-21 2009-10-08 Panasonic Corp コンデンサ電動機の固定子

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