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WO2015001670A1 - Ventilateur électrique et aspirateur électrique - Google Patents

Ventilateur électrique et aspirateur électrique Download PDF

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Publication number
WO2015001670A1
WO2015001670A1 PCT/JP2013/068538 JP2013068538W WO2015001670A1 WO 2015001670 A1 WO2015001670 A1 WO 2015001670A1 JP 2013068538 W JP2013068538 W JP 2013068538W WO 2015001670 A1 WO2015001670 A1 WO 2015001670A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator core
core
winding
rotor
stator
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2013/068538
Other languages
English (en)
Japanese (ja)
Inventor
直弘 桶谷
馬場　和彦
守 早津
武彦 安島
秀一 尾高
光将 浜崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Home Appliance Co Ltd
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Home Appliance Co Ltd
Mitsubishi Electric Corp
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 Mitsubishi Electric Home Appliance Co Ltd, Mitsubishi Electric Corp filed Critical Mitsubishi Electric Home Appliance Co Ltd
Priority to PCT/JP2013/068538 priority Critical patent/WO2015001670A1/fr
Priority to JP2015525123A priority patent/JP5976218B2/ja
Priority to CN201480033841.0A priority patent/CN105324579B/zh
Priority to PCT/JP2014/065877 priority patent/WO2015001945A1/fr
Priority to TW103122024A priority patent/TWI506923B/zh
Priority to CN201420372195.8U priority patent/CN204030739U/zh
Publication of WO2015001670A1 publication Critical patent/WO2015001670A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/08—Forming windings by laying conductors into or around core parts
    • H02K15/095—Forming windings by laying conductors into or around core parts by laying conductors around salient poles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • 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
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/40—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the arrangement of the magnet circuits

Definitions

  • the present invention relates to an electric blower and a vacuum cleaner.
  • An electric blower that is integrated in a blower unit and a motor and is mounted on a vacuum cleaner or the like is generally used at a high rotational speed of 30000-45000 r / min. Therefore, in the electric blower, a commutator motor including a stator having two magnetic poles and having a field winding, and a rotor having an armature winding and a commutator inside the stator is used.
  • the magnetic pole protrudes inward from a yoke whose outer shape is substantially square, and the magnetic pole angle (the angle formed by two straight lines connecting both ends of the arc of the magnetic pole tip and the axis center) is 120 ° to 140 °.
  • the field winding is wound around this magnetic pole, and if the coil ends that cross between the left and right sides of the magnetic pole are connected by a straight line of the shortest path, it interferes with the rotor. Yes.
  • the left and right side surfaces of the magnetic pole around which the field winding is wound are not parallel but slopes extending toward the inner diameter side, and the outside is surrounded by a yoke.
  • the wire when winding the winding around the magnetic pole, the wire is slid from the opening between the magnetic pole tip and the yoke and wound around the base of the magnetic pole using the tension of the wire.
  • the arrangement of the windings is determined by the course, and it is difficult to arrange the windings (ordering the windings in a regular and orderly manner), and the winding space factor (in the space prepared for arranging the windings)
  • the ratio of the windings actually wound is low, and the winding length is long, which hinders the efficiency improvement and weight reduction of the electric blower.
  • the stator core is divided into cores divided at the base of the magnetic poles, and is wound in high density by die winding or bobbin winding in advance outside the stator core.
  • a technique is disclosed in which a winding space factor is improved by dividing a winding (one component state) into a single magnetic pole.
  • the field winding is still wound around the magnetic pole having a large magnetic pole angle, and the coil end that crosses between the left and right sides of the magnetic pole is curved to the outer diameter side to bypass it.
  • the coil end that crosses between the left and right sides of the magnetic pole is curved to the outer diameter side to bypass it.
  • the aligned winding it is necessary to first perform the aligned winding without bending the coil end and then deform only the coil end into a predetermined curved shape. Therefore, when the coil ends are deformed, the arrangement of the windings may be broken, and the insulating film may be damaged.
  • the varnish and self-bonding wire (resin for heat-sealing are applied to the surface in advance)
  • the core division position is the base of the magnetic pole, all the magnetic flux lines cross the division plane, and the efficiency is reduced due to the core division.
  • the stator core has an axial height that is generally about one-third to one-half that of the inner diameter of the magnetic pole, and the coil end length is short or long. Has a great influence on the efficiency of electric blowers. Therefore, from the viewpoint of improving the efficiency of the electric blower, it is desirable to avoid circumventing the coil end by bending it toward the outer diameter side.
  • the present invention has been made in view of the above, and an object of the present invention is to obtain an electric blower in which the field windings can be easily aligned and the efficiency can be improved and the weight can be reduced.
  • the present invention is an electric blower including a stator including a stator core and field windings, and a rotor disposed inside the stator,
  • the stator core is divided into two C-shaped first and second stator cores at two core division positions shifted from the magnetic pole center line to the rear side in the rotation direction.
  • the second stator core has a shape in which the outermost core portion is straight and bulges outward in a U shape at a position substantially perpendicular to the magnetic pole center line, and the rotor bulges due to the bulge outward.
  • the field winding is formed using a first region formed between the outer periphery of the first region and a second region that is symmetrical to the first region across the straight core portion.
  • a region for instrumentation characterized in that.
  • the electric blower according to the present invention is advantageous in that the field windings can be easily aligned and the efficiency can be improved and the weight can be reduced.
  • FIG. 1 is a longitudinal sectional view showing a schematic structure inside the electric blower.
  • FIG. 2 is a view of the main part of the commutator motor as viewed from the axial direction on the blower part side.
  • FIG. 3 is a diagram illustrating the shape of the stator core according to the first embodiment.
  • FIG. 4 is a diagram illustrating a state in which the windings are aligned.
  • FIG. 5 is a diagram showing a state of aligned winding by a flyer winding machine.
  • FIG. 6 is a diagram illustrating the shape of the stator core according to the second embodiment.
  • FIG. 7 is a diagram illustrating the shape of the stator core according to the second embodiment.
  • FIG. 1 is a longitudinal sectional view showing a schematic structure inside the electric blower.
  • FIG. 2 is a view of the main part of the commutator motor as viewed from the axial direction on the blower part side.
  • FIG. 3 is a diagram illustrating the shape of the
  • FIG. 8 is a diagram showing an example of a magnetic flux diagram when the stator core of FIG. 7 obtained by electromagnetic field analysis is used.
  • FIG. 9 is a diagram showing an example in which one corner of the spaces 30 and 32 is about 120 °.
  • FIG. 10 is a cross-sectional view showing a vacuum cleaner provided with an electric blower.
  • FIG. 1 is a longitudinal sectional view showing a schematic structure inside the electric blower according to the present embodiment.
  • the electric blower 1 is roughly divided into two units: a blower unit 2 that generates suction force and a commutator motor 3 that drives the blower unit 2.
  • the electric blower 1 can be applied to a vacuum cleaner, for example.
  • the blower unit 2 includes a fan 4 having a plurality of blades, and a fan guide 5 that covers the fan 4 and guides air that flows along with the rotation of the fan 4 to the inside of the commutator motor 3.
  • the flowing air is discharged from an opening (not shown) provided in the frame 6 while cooling the commutator motor 3 that has generated heat during operation.
  • the commutator motor 3 is fixed to the inside of a cup (cylinder) -shaped frame 6 and serves as a field, and is arranged to face the inside of the stator 7 with a gap 20 therebetween, and is rotatably supported. And a rotor 8 acting as an armature. Note that a part of the frame 6 that does not fit inside is provided with an opening, a notch or the like (not shown) in the frame 6 and protrudes outward.
  • the stator 7 includes a stator core 9 formed by laminating and fixing a plurality of electromagnetic steel plates, and a field winding 10 wound around the stator core 9 via an insulating member. In the stator 7, a magnetic field is generated inside the stator 7 by passing a current through the field winding 10.
  • the rotor 8 includes a shaft 11 disposed at the center, an annular rotor core 12 formed by laminating and fixing a plurality of electromagnetic steel plates fixed around the shaft 11, and an armature wound around the rotor core 12 via an insulating member.
  • a winding 17 and a commutator 13 which is disposed apart from the rotor core 12 and fixed around the shaft 11 are provided.
  • the rotor 8 is rotatably supported by the frame 6 via the shaft 11 and the bearings 14 and 15.
  • the bearing 14 on the blower unit 2 side is accommodated in a bracket 21 provided in a shape that crosses the opening of the frame 6 and bridges.
  • the other bearing 15 (the side opposite to the blower portion 2 side) is housed in the bottom of the frame 6.
  • the fan 4 is fixed to the shaft end portion 16 of the shaft 11 on the blower portion 2 side, and the fan 4 is rotationally driven as the rotor 8 rotates.
  • the starting end (end of winding start) and the end (end of winding end) of a plurality of coils constituting the armature winding 17 are electrically connected to the segment 18 of the commutator 13 by a method such as fusing (heat caulking). Is done.
  • a pair of brushes 19 held by the frame 6 and pressed against the commutator 13 by a spring and brought into sliding contact are connected to a power source (not shown), and an electric current is supplied to the armature winding 17 via the commutator 13. (Armature current) is supplied.
  • Rotational torque is generated in the rotor 8 by the magnetic field generated by the stator 7 and the armature current.
  • the armature winding 17 and the segment 18 are connected so that the coil through which the armature current flows is switched in accordance with the phase of the rotor 8 in order to make the rotation direction constant.
  • FIG. 2 is a view of the main part of the commutator motor 3 viewed from the axial direction on the blower part 2 side.
  • the frame 6 and the rotor 8 are sectional views, the right half of the field winding 10 is viewed from the axial direction, and the left half is a sectional view.
  • FIG. 3 is a diagram showing only the stator core 9 extracted from FIG. 2 and showing the shape of the stator core 9 of the present embodiment.
  • the rotor 8 has a shaft 11 at the center, and an armature winding 17 is wound around the rotor core 12 via an insulating member 22 and is prevented from being detached by a wedge 23.
  • the rotation direction 36 of the rotor 8 is determined from the direction of the blades of the blower unit 2, and is assumed to be counterclockwise (counterclockwise) in a view seen from the axial direction on the blower unit 2 side.
  • the stator core 9 is divided into two C-shaped portions 9A and 9B (referred to as a first stator core and a second stator core) at two core division positions 25a and 25b.
  • 26b is configured. Inside the magnetic poles 26a, 26b, the rotor 8 is disposed so as to face each other with a predetermined gap 20 interposed therebetween.
  • the two core division positions 25a and 25b are at positions of interest with respect to the rotor 8, and are shifted from the magnetic pole center line 35 to the rear side in the rotation direction of the rotor 8. Specifically, it is in the vicinity of the electrical neutral axis.
  • the magnetic flux generated by the field winding 10 is in the direction along the magnetic pole center line 35 between the magnetic poles 26a and 26b.
  • the electric neutral axis Is shifted from the magnetic pole center line 35 to the rear side in the rotation direction. Therefore, the angle shifted from the magnetic pole center line 35 at the two core division positions 25a and 25b is set by the balance of magnetic flux generated by the field winding 10 and the armature winding 17, respectively.
  • the cross-sectional shapes perpendicular to the axis of the rotor 8 in the two C-shaped portions 9A and 9B are substantially the same shape that is substantially point-symmetric with respect to the center of the rotor 8.
  • the central portions located in a direction substantially perpendicular to the magnetic pole center line 35 are respectively a shoulder portion 9Ab, an arm portion 9Ac, a shoulder portion 9Ad, and a shoulder portion 9Bb and an arm portion.
  • 9Bc and shoulders 9Bd each form a U-shape and swell outward from both ends of the magnetic poles 26a, 26b to form substantially rectangular spaces 30, 32 (first 1 region) is provided.
  • the field winding 10 is toroidally wound around the arm portions 9Ac and 9Bc in the substantially rectangular spaces 30 and 32 and the symmetrical spaces 31 and 33 (second region) across the arm portions 9Ac and 9Bc. It is wound.
  • the direction of the current flowing through the field windings 10 on the left and right sides with respect to the magnetic pole center line 35 is connected so as to flow asymmetrically with respect to the magnetic pole center line 35 when viewed from the axial direction of the rotor 8.
  • a dot in the circle and a cross symbol in the circle indicate the winding direction. Note that the direction of the current flowing in the field winding 10 is not limited to the direction of FIG. 2, but may be a combination of opposite directions.
  • FIG. 4 is a diagram illustrating a state in which the windings are aligned.
  • the number of turns and the arrangement shown in FIG. 4 are different from the winding and the arrangement shown in FIG.
  • the aligned winding when the arrangement of a certain layer is finished and the layer is shifted to the upper layer, it is necessary to control to change the direction of the wire while crossing the wire one turn before, but the insulating member 24 has a wall surface 24a. 24b makes it easier to control the wire.
  • the direction of the wire of the last turn shown in FIG. 4 and the portion of the direction of the wire when moving to the second layer are applicable.
  • the wires are placed so as to follow the recesses between the wires of the layer one step below, thereby preventing misalignment and making the aligned winding easier (so-called “coiling”). Therefore, it is suitable for the aligned winding that the surface on which the first layer is placed is linear along the direction in which the wires are arranged.
  • FIG. 5 is a diagram showing a state of aligned winding by a flyer winding machine.
  • the flyer winding machine the C-shaped portion 9A or 9B is fixed by the core fixing jig 27, and the flyer arm 28 provided with the nozzle 29 for guiding the wire 34 at the tip is rotated around the arm portion 9Ac or 9Bc. Wind with.
  • the position of the wire 34 is controlled by controlling the rotation 37 and the back-and-forth movement 38 of the flyer arm 28 in synchronization.
  • the introduction wire 34a is an introduction portion when the wire 34 is wound around the C-shaped portion 9A or 9B by a flyer winding machine.
  • the wire 34 usually uses a copper wire or aluminum wire having a diameter of 2 or less, the rigidity is small, and a bend due to the deformation history until it is inserted into the nozzle 29 remains. 34 may not be straight, and the position where the wire 34 is placed may deviate from the target position, and the aligned winding may collapse. In order to reduce this phenomenon, the nozzle 29 should be closer to the surface on which the wire 34 is placed. Therefore, it is suitable for the aligned winding that the left and right spaces of the field winding 10 are opened and the nozzle 29 can be brought closer. The same applies to the case where a spindle winding method is adopted in which the nozzle 29 is fixed and the C-shaped portion 9A or 9B is rotated.
  • the core dividing positions 25a and 25b are in the vicinity of the electrical neutral axis, the magnetic flux density is low, and the number of magnetic flux lines crossing the core dividing surface is small, it is possible to suppress the efficiency reduction due to the core division.
  • Embodiment 2 FIG. In the present embodiment, the portions of the two C-shaped portions 9A and 9B constituting the stator core 9 will be described with respect to portions different from the first embodiment.
  • FIGS. 6 and 7 are views in which the stator core 9 is viewed from the axial direction in the same manner as in FIG. 3, and are diagrams showing the shape of the stator core 9 of the present embodiment.
  • the C-shaped portions 9 ⁇ / b> A and 9 ⁇ / b> B are configured as described above, so that weight reduction can be achieved while suppressing a decrease in efficiency. The reason will be described in more detail as follows.
  • FIG. 8 is a diagram showing an example of a magnetic flux diagram when the stator core 9 of FIG. 7 is used, which is obtained by electromagnetic field analysis.
  • the magnetic flux diagram at the time of using the stator core 9 of FIG. 6 is the same as that of FIG. That is, since the magnetic flux density is low in the vicinity of the core division positions 25a and 25b, the degree of freedom in shape is large, and the desired shape can be designed.
  • the electrical neutral axis is a straight line that substantially connects the core division position 25a and the core division position 25b, the magnetic flux lines pass through the rotor core 12 and the 9Aa, 9Ab, 9Ac, 9Ad, 9Ae, and the rotor core 12 of the C-shaped portion 9A.
  • loops There are two types of loops: a left loop that connects in order and a right loop that connects the rotor core 12 and 9Be of the C-shaped portion 9B, 9Bd, 9Bc, 9Bb, 9Ba, and the rotor core 12 in order.
  • the magnetic flux lines passing through a position close to the core dividing position 25a pass through a position close to the core dividing position 25b (outward), and the magnetic flux lines passing through a position far from the core dividing position 25a pass through a position far from the core dividing position 25b (inward). That is, in the left end portion 9Aa, the right end portion 9Be, the right end portion 9Ae, and the left end portion 9Ba, the closer to the core division positions 25a and 25b, the smaller the number of magnetic flux lines, and the farther away the number.
  • the magnetic path width is made smaller as it is closer to the core division positions 25a and 25b, the magnetic flux density is not saturated and the efficiency reduction can be suppressed, and the weight can be reduced to the extent that the magnetic path width can be reduced.
  • the radial widths of the portions facing the rotor 8 are smaller as they are closer to the core division positions 25a and 25b, respectively. I did it. Thereby, further weight reduction can be achieved while suppressing a decrease in efficiency.
  • Embodiment 3 FIG. In the present embodiment, the field winding 10 winding method will be described with respect to differences from the first and second embodiments.
  • the cross-sectional areas of the spaces 30 and 32 are substantially the product of the lengths of the arms (9Ac, 9Bc) and the lengths of the shoulders (9Ab, 9Ad, 9Bb, 9Bd). Since the length of the arm portion (9Ac, 9Bc) is determined by the outer diameter and the magnetic pole angle of the rotor 8, the length of the shoulder portion (9Ab, 9Ad, 9Bb, 9Bd) is used as a means for improving the efficiency and reducing the weight. It will be as short as possible.
  • the required cross-sectional area of the spaces 30 and 32 is obtained by dividing the cross-sectional area of the field winding 10 by the winding space factor of the spaces 30 and 32.
  • the winding space factor of the spaces 30 and 32 is increased, The length of the shoulders (9Ab, 9Ad, 9Bb, 9Bd) can be shortened. Therefore, the field windings 10 may be arranged in a stacked manner in the spaces 30 and 32. However, in the cross section where the upper and lower layers of wires cross each other, the winding space factor is lower than that of the piled-up portion, but the spaces 30 and 32 inside the stator core 9 and the outside of the stator core 9 It is necessary to provide a cross point at at least one of the four locations of the spaces 31 and 33, the axially upper coil end portion, and the axially lower coil end portion. Therefore, since the winding region expands in the layer direction on the side where the cross point is present, the cross point may be disposed in the outer space 31 and 33 of the stator core 9 and the coil end portions on the upper and lower sides in the axial direction.
  • the cross point at the time of aligned winding is arranged in a space other than the spaces 30 and 32 inside the stator core 9.
  • the core external shape of the stator core 9 can be made small, and efficiency improvement and weight reduction can be achieved.
  • Embodiment 4 the angle of each of the two corners outside the substantially rectangular spaces 30 and 32 has been described as being about 90 °, but the present invention is not limited to this.
  • one or both corners may be about 120 °, and in this case, it is easy to arrange the field windings 10 in a stacked manner, as in the case where the corner is about 90 °.
  • FIG. 9 is a diagram showing an example in which one corner of the spaces 30 and 32 is about 120 °. In this case, also in the spaces 31 and 33, one corner is about 120 °. In this way, even when one corner is set to about 120 °, it can be easily arranged in a stacking manner during the aligned winding.
  • FIG. 10 is a cross-sectional view showing a vacuum cleaner provided with an electric blower.
  • the vacuum cleaner has a suction port 42 for sucking outside air into the vacuum cleaner body 41, a dust collecting part 43 for collecting dust in the sucked outside air, a discharge port 44 for discharging the sucked outside air, and sucking outside air from the suction port 42.
  • the electric blower 1 that generates an air flow discharged from the discharge port 44 is provided, and the air sucked from the suction port 42 passes through the dust collecting portion 43, the electric blower 1, and the discharge port 44, and then flows into the cleaner body 41. It is discharged outside.
  • the efficiency of the vacuum cleaner can be improved and the weight can be reduced.
  • the electric blower 1 can also be incorporated in another product.
  • the electric blower according to the present invention is useful for blowing air, and is particularly suitable for a vacuum cleaner or the like.

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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)

Abstract

L'invention concerne un ventilateur électrique comprenant un stator doté d'un noyau statorique et d'un enroulement de champ et un rotor disposé sur le côté interne du stator, selon lequel : le noyau statorique est divisé en deux sections en forme de C composées d'une section en forme de C (9A) et d'une section en forme de C (9B) au niveau de deux positions de division de noyau (25a, 25b) décalées d'un axe de pôle magnétique à l'inverse de la direction de rotation ; la section en forme de C (9A) et la section en forme de C (9B) sont formées de sorte qu'une partie de noyau sur le côté le plus externe dans une position dans une direction plus ou moins perpendiculaire à l'axe de pôle magnétique (35) soit formée de manière à faire saillie vers l'extérieur dans une forme de U droit ; et une région d'enroulement de l'enroulement de champ est créée au moyen d'espaces (30, 32) formés entre la forme faisant saillie vers l'extérieur et la périphérie externe du rotor et d'espaces (31, 33) formés dans des positions qui sont symétriques aux espaces (30, 32) et qui intercalent des sections de bras droit (9Ac, 9Bc).
PCT/JP2013/068538 2013-07-05 2013-07-05 Ventilateur électrique et aspirateur électrique Ceased WO2015001670A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PCT/JP2013/068538 WO2015001670A1 (fr) 2013-07-05 2013-07-05 Ventilateur électrique et aspirateur électrique
JP2015525123A JP5976218B2 (ja) 2013-07-05 2014-06-16 電動送風機および電気掃除機
CN201480033841.0A CN105324579B (zh) 2013-07-05 2014-06-16 电动鼓风机和电吸尘器
PCT/JP2014/065877 WO2015001945A1 (fr) 2013-07-05 2014-06-16 Ventilateur électrique et aspirateur électrique
TW103122024A TWI506923B (zh) 2013-07-05 2014-06-26 Electric blowers and electric vacuum cleaners
CN201420372195.8U CN204030739U (zh) 2013-07-05 2014-07-04 电动鼓风机和电吸尘器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/068538 WO2015001670A1 (fr) 2013-07-05 2013-07-05 Ventilateur électrique et aspirateur électrique

Publications (1)

Publication Number Publication Date
WO2015001670A1 true WO2015001670A1 (fr) 2015-01-08

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PCT/JP2014/065877 Ceased WO2015001945A1 (fr) 2013-07-05 2014-06-16 Ventilateur électrique et aspirateur électrique

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JP (1) JP5976218B2 (fr)
CN (1) CN105324579B (fr)
TW (1) TWI506923B (fr)
WO (2) WO2015001670A1 (fr)

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CN109586426A (zh) * 2017-09-29 2019-04-05 广东朗科智能电气有限公司 吸尘器电机及其电机定子

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JP6428447B2 (ja) * 2015-04-01 2018-11-28 三菱電機株式会社 電気掃除機
KR101660749B1 (ko) 2015-07-28 2016-10-10 엘지전자 주식회사 로봇 청소기
ES2951462T3 (es) * 2016-03-31 2023-10-23 Lg Electronics Inc Aparato de limpieza
KR102626405B1 (ko) * 2016-05-09 2024-01-18 엘지전자 주식회사 청소기 충전대
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CN105324579B (zh) 2017-05-03
TWI506923B (zh) 2015-11-01

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