WO2021205652A1 - Moteur électrique, dispositif d'enroulement de fil conducteur, et procédé de fabrication d'un moteur électrique - Google Patents

Moteur électrique, dispositif d'enroulement de fil conducteur, et procédé de fabrication d'un moteur électrique Download PDF

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Publication number
WO2021205652A1
WO2021205652A1 PCT/JP2020/016130 JP2020016130W WO2021205652A1 WO 2021205652 A1 WO2021205652 A1 WO 2021205652A1 JP 2020016130 W JP2020016130 W JP 2020016130W WO 2021205652 A1 WO2021205652 A1 WO 2021205652A1
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WO
WIPO (PCT)
Prior art keywords
lead wire
covering
electric motor
winding
manufacturing
Prior art date
Application number
PCT/JP2020/016130
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English (en)
Japanese (ja)
Inventor
信哉 高田
洋輔 藤森
加藤　丈晴
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2020/016130 priority Critical patent/WO2021205652A1/fr
Priority to JP2022514283A priority patent/JP7378590B2/ja
Publication of WO2021205652A1 publication Critical patent/WO2021205652A1/fr

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    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/08—Insulating casings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes

Definitions

  • the present disclosure relates to an electric motor having a lead wire for power supply, a lead wire winding device for winding the lead wire of the electric motor, and a manufacturing method of the electric motor.
  • Patent Document 1 discloses an electric motor having a lead wire in which a plurality of electric wires are coated with a covering material.
  • the present disclosure is to solve the above-mentioned problems, and an object of the present disclosure is to provide an electric motor, a lead wire winding device, and a method for manufacturing the electric motor, which can suppress the occurrence of disconnection of an electric wire.
  • the electric motor of the present disclosure includes a rotary drive device that converts electric power into rotational energy, and a lead wire that is connected to the outer shell of the rotary drive device and supplies the electric power to the rotary drive device. It has a plurality of coated electric wires including an electric wire that supplies electric power to the rotary drive device, and a covering body that covers the plurality of coated electric wires and is wound and laminated in a spiral shape together with the plurality of coated electric wires. ing.
  • the lead wire winding device of the present disclosure is a lead wire winding device for manufacturing the above-mentioned electric motor, and has a pedestal having a clamp for fastening the rotation driving device and a distal end of the covering body. It has a clip to be gripped and a rotating body on which the clip is arranged, and includes a turntable around which the covering body is wound around the rotating body by the rotation of the rotating body.
  • the method for manufacturing an electric motor of the present disclosure is the above-mentioned method for manufacturing an electric motor, which includes a step of fastening the rotary drive device, a step of gripping the distal end of the covering body, and a winding of the covering body. It has a step of making it.
  • the lead wire covering is wound in a spiral shape and laminated, excessive stress is not generated in a part of the lead wire. Therefore, it is possible to suppress disconnection of the covered electric wire covered with the covering body.
  • FIG. It is a perspective view which showed an example of the electric motor which concerns on Embodiment 1.
  • FIG. It is the schematic which showed an example of the lead wire winding apparatus which concerns on Embodiment 2.
  • FIG. It is the schematic which showed the winding operation of the lead wire 20 in the lead wire winding apparatus 100 which concerns on Embodiment 2.
  • FIG. It is a flowchart which shows the manufacturing process of the electric motor by the lead wire winding device which concerns on Embodiment 2.
  • FIG. 1 is a perspective view showing an example of the electric motor 1 according to the first embodiment.
  • the dimensional relationship and shape of each component may differ from the actual ones.
  • the same members or parts or members or parts having the same functions are designated by the same reference numerals or omitted.
  • the motor 1 is formed as, for example, a mold-type DC brushless motor.
  • the electric motor 1 includes a rotary drive device 10 having a stator 3 having a hollow cylindrical appearance and a rotor 5 slidably housed in a hollow portion of the stator 3.
  • the rotation drive device 10 has a cylindrical outer shell 10a formed by the stator 3 and the rotor 5.
  • the electric motor 1 includes a lead wire 20 which is connected to the outer shell 10a of the rotary drive device 10 and supplies electric power to the rotary drive device 10.
  • the electric power supplied through the lead wire 20 is converted into rotational energy.
  • a magnetic field is generated in the stator 3 by the electric power supplied through the lead wire 20, and the rotor 5 rotates due to a change in the magnetic field generated in the stator 3 with time.
  • stator 3 Although the stator 3 is not shown, a hollow cylindrical stator core, an insulator arranged on a pair of hollow disk surfaces of the stator core, and a wire such as a copper magnet wire are used as the stator core and the insulator. It has a main body portion including a coil formed by winding. In the stator 3, a magnetic field is generated on the hollow side of the stator core by the current flowing through the coil. When the current flowing through the coil is an alternating current, the magnetic field generated on the hollow side of the stator core changes with time.
  • the main body of the stator 3 is covered with a thermosetting resin such as a bulk molding compound containing an unsaturated polyester resin as a main component.
  • a thermosetting resin such as a bulk molding compound containing an unsaturated polyester resin as a main component.
  • the main body portion of the stator 3 and the tip of the lead wire 20 electrically connected to the main body portion of the stator 3 are arranged in a mold, and a thermosetting resin is injected into the mold to fill the mold. Molded by. Molding may be done by compression molding.
  • the bulk molding compound is abbreviated as BMC.
  • the rotor 5 has a resin magnet that radially generates a magnetic field in the direction of the stator 3.
  • the resin magnet is a raw material in which a powder of a rare earth magnet such as samarium iron or a ferrite powder such as neodymium-iron-boron powder is contained in a polyamide resin such as nylon or a thermoplastic resin such as polyphenylene sulfide resin, and is used as a bond magnet. It is molded. A multiple of 2 magnetic poles are formed on the resin magnet.
  • the resin magnet is arranged on the outer periphery of the rotor 5, and the magnetic poles of the resin magnet are formed so that the polarities alternate along the circumferential direction of the rotor 5.
  • the resin magnet For example, in the resin magnet, eight magnetic poles are formed, and four N poles and four S poles are formed so as to alternate in the circumferential direction.
  • the rotor 5 rotates in the circumferential direction about the axis of the rotor 5 due to the change of the magnetic field generated in the stator 3 with time.
  • the lead wire 20 connected to the outer shell 10a of the rotary drive device 10 has a plurality of covered electric wires 22.
  • One end of the plurality of covered electric wires 22 is drawn into the stator 3 from the entrance 10a1 of the outer shell 10a.
  • a first connector 24a or a second connector 24b is connected to the other end of the plurality of covered electric wires 22.
  • the first connector 24a and the second connector 24b are collectively referred to as a connector 24 when it is not necessary to distinguish them.
  • the first connector 24a is connected to, for example, an inverter circuit that supplies electric power to the motor 1 by switching control and controls the rotation speed of the motor 1.
  • the electric motor 1 is a three-phase synchronous electric motor
  • three electric wires such as a U-phase electric wire, a V-phase electric wire, and a W-phase electric wire for supplying electric power to the rotary drive device 10 are connected to the first connector 24a.
  • the number of electric wires for supplying electric power to the rotary drive device 10 differs depending on the type of the motor 1. For example, when the motor 1 is a single-phase motor, the number of electric wires for supplying electric power to the rotary drive device 10 is one.
  • the second connector 24b is connected to, for example, a control circuit that transmits a control signal to the inverter circuit and controls switching of the inverter circuit.
  • the motor 1 is a three-phase synchronous motor
  • four communication lines and one neutral line are connected to the second connector 24b.
  • the communication line includes, for example, a U-phase current sensor that detects a U-phase current built in the stator 3, a V-phase current sensor that detects a V-phase current, a W-phase current sensor that detects a W-phase current, and a rotor 5. It is connected to a magnetic sensor that detects the position of the current.
  • the neutral wire is grounded at the neutral point via the second connector 24b, and is connected to the neutral point terminal of the electrical wiring inside the stator 3.
  • the U-phase current sensor, V-phase current sensor, W-phase current sensor, magnetic sensor, and neutral point terminal are not shown in FIG.
  • the U-phase current sensor, V-phase current sensor, W-phase current sensor, and magnetic sensor are formed of, for example, Hall elements made of indium antimonide or gallium arsenic.
  • the number of communication lines varies depending on the type of the motor 1, and the communication lines can be omitted.
  • the number of connectors 24 of the lead wire 20 does not have to be two, that is, the first connector 24a and the second connector 24b.
  • the lead wire 20 may have three or more connectors 24, or may have only one connector 24.
  • the lead wire 20 has a covering body 30 that collectively covers a plurality of covered electric wires 22.
  • the covering body 30 is formed in a tubular shape by, for example, silicone rubber or the like, and is arranged so as to extend between the inlet 10a1 of the outer shell 10a of the rotation driving device 10 and the connector 24.
  • the end of the covering 30 on the connector 24 side is referred to as the distal end 30a of the covering 30, and the end of the covering 30 on the inlet 10a1 side is referred to as the proximal end 30b of the covering 30.
  • a binding band 32 for suppressing the movement of the covering body 30 is provided at the proximal end 30b of the covering body 30.
  • the covering body 30 of the lead wire 20 is wound and laminated in a spiral shape together with a plurality of covered electric wires 22.
  • the covering body 30 wound and laminated in a “spiral shape” is not limited to a circular shape, and may have another shape as long as it is wound and laminated in an O-shape.
  • the covering body 30 wound and laminated in a “spiral shape” may have an elliptical shape or an oval shape.
  • the covering body 30 of the lead wire 20 has a plurality of straight portions 34 and a plurality of bent portions alternately arranged with the plurality of straight portions 34. It can be formed to have 36 and.
  • the covering body 30 of the lead wire 20 can be laminated in the same shape.
  • the cover 30 of the lead wire 20 is wound so that the connector 24 faces the rotation drive device 10, but the connector 24 is wound so as to face the direction away from the rotation drive device 10. May be good.
  • the lead wire 20 is generally formed in a state of being extended in a straight line shape. Further, the lead wire 20 is formed into various lengths according to the use of the electric motor 1. In a state where the lead wire 20 extends in a linear shape, as the lead wire 20 becomes longer, excessive stress is generated due to, for example, the lead wire 20 being entangled with the manufacturing machine in the manufacturing process, and the lead wire 20 is disconnected or the like. Is more likely to be damaged. Further, even in a manual process such as inspection of the motor 1, excessive tension may be generated in the lead wire 20, and damage such as disconnection may occur in the lead wire 20. Further, when the electric motor 1 which is the final product is conveyed, when the lead wire 20 is extended in a linear shape, the lead wire 20 at the time of packing the electric motor 1 is manually accommodated, so that the efficiency of the packing work is improved. May decrease.
  • the lead wires 20 when bundling the lead wires 20 formed in a linear shape, the lead wires 20 have been manually bent, but depending on the bending method of the lead wires 20, excessive stress is applied to the bent portion of the lead wires 20. May occur and damage such as disconnection of the lead wire 20 may occur.
  • the covering body 30 of the lead wire 20 is wound in a spiral shape.
  • the covering body 30 of the lead wire 20 is wound in a spiral shape.
  • the lead wire 20 is wound in the same shape by winding the covering body 30 of the lead wire 20 in a spiral shape and laminating them. Therefore, even if the number of windings of the lead wire 20 is increased, the shape of the wound lead wire 20 does not expand, so that the winding shape can be stabilized. Further, by winding the lead wire 20 into the same shape, the work of bundling the lead wire 20 at the time of transporting the final product, the motor 1, becomes easy. Further, when the lead wire 20 accommodating portion is formed in the transport container of the motor 1, the lead wire 20 can be easily accommodated in the transport container by winding the lead wire 20 in the same shape. The work efficiency of packing work during transportation is improved.
  • the covering body 30 of the lead wire 20 can be wound with a constant width.
  • the lead wire 20 is formed into various lengths depending on the application of the motor 1, but by adjusting the length of the straight line portion 34, the lead wire 20 does not depend on the length of the lead wire 20.
  • the number of turns of the lead wire 20 can be the same. Therefore, at the time of manufacturing the motor 1, it is not necessary to adjust the winding start position and winding end position of the lead wire 20 in the stacking direction according to the length of the lead wire 20, so that the manufacturing efficiency of the motor 1 is improved. ..
  • the covering body 30 of the lead wire 20 so as to have a plurality of bent portions 36, it is possible to suppress the generation of excessive stress in a part of the lead wire 20.
  • the stress generated in the bent portion 36 can be adjusted by adjusting the radius of curvature of the bent portion 36. Further, by making the radius of curvature of the bent portion 36 the same, the stress generated in the bent portion 36 can be made uniform. Therefore, by forming the covering body 30 of the lead wire 20 so as to have a plurality of bent portions 36, the disconnection of the lead wire 20 can be suppressed, so that the reliability of the motor 1 can be improved.
  • the above-mentioned electric motor 1 is used, for example, as an electric motor 1 for rotationally driving a blower fan provided in an air conditioner.
  • the blower fan equipped with the motor 1 can be used, for example, in the indoor unit and the outdoor unit of the air conditioner.
  • the application of the motor 1 is not limited to the above, and it can also be used for a refrigeration cycle device having a blower fan other than an air conditioner, or an electric device having a blower fan other than the refrigeration cycle device.
  • the electric motor 1 can be applied to a rotating machine other than the blower fan, for example, a ventilation fan or the like.
  • the electric motor 1 can also be designed as a stepping motor for a decompression device of an air conditioner.
  • the electric motor 1 is a mold type DC brushless motor
  • the electric motor 1 of the present disclosure may be an electric motor 1 of a type other than the mold type DC brushless motor.
  • the stator 3 of the electric motor 1 does not have to be molded, and the main body portion of the stator 3 may be housed in a casing made of a thermoplastic resin.
  • FIG. 2 is a schematic view showing an example of the lead wire winding device 100 according to the second embodiment.
  • FIG. 3 is a schematic view showing the winding operation of the lead wire 20 in the lead wire winding device 100 according to the second embodiment. Since the structure of the motor 1 shown in FIGS. 2 and 3 is the same as that described in the first embodiment, the description thereof will be omitted.
  • the lead wire winding device 100 has a rotary table 50 that is rotatably arranged.
  • the rotary table 50 may be a mechanical type that is manually rotated by a handle or the like, or an electric drive type that is automatically rotated by using a rotary table drive motor.
  • the rotary table 50 has a rotating body 51, and the covering body 30 of the lead wire 20 is spirally wound and laminated by the rotation of the rotating body 51.
  • the rotating body 51 is formed as one column having a cylindrical shape, an elliptical column shape, or a long columnar shape, depending on the winding shape of the covering body 30, for example.
  • the rotating body 51 is provided with a clip 53.
  • the clip 53 is formed so as to grip the distal end 30a of the covering body 30.
  • the clip 53 is formed, for example, as an L-shaped hook so as to sandwich the distal end 30a of the covering body 30 between the clip 53 and the rotating body 51.
  • the rotating body 51 can be formed so as to have a plurality of pillars.
  • the rotating body 51 can be formed so as to have a first arm 51a in which the clip 53 is arranged and a second arm 51b arranged apart from the first arm 51a.
  • the rotating body 51 is formed so as to have the first arm 51a and the second arm 51b, and the winding width of the covering body 30 is adjusted by adjusting the distance between the first arm 51a and the second arm 51b. And the number of times can be determined. Therefore, if the rotating body 51 is formed so as to have the first arm 51a and the second arm 51b, and the distance between the first arm 51a and the second arm 51b can be adjusted, the winding of the covering body 30 can be wound.
  • the width and number of times can be adjusted arbitrarily. For example, the number of turns of the lead wire 20 can be adjusted to be the same regardless of the length of the lead wire 20.
  • the surfaces of the first arm 51a and the second arm 51b that come into contact with the coverings 30 are formed so as to be bent surfaces.
  • the first arm 51a and the second arm 51b may have a curved surface where the coverings 30 of the first arm 51a and the second arm 51b come into contact with each other. It can be formed as a columnar column.
  • the rotary table 50 has a base 55 on which the rotating body 51 is placed and supported. Further, the rotating body 51 has a shaft 57 which is fixed at the position of the center of gravity of the base 55, extends in the direction opposite to that of the rotating body 51, and serves as a rotation axis of the rotating body 51.
  • the base 55 can be formed so as to movably support the first arm 51a and the second arm 51b.
  • the lead wire winding device 100 has a pedestal 80 on which the rotation driving device 10 is placed and fixed.
  • a clamp 81 is provided on the pedestal 80, and the rotation driving device 10 is fastened to the pedestal 80 by the clamp 81.
  • the lead wire winding device 100 can be provided with an adjuster 83 that supports the pedestal 80 as a leg of the pedestal 80.
  • the adjuster 83 can be formed by using, for example, an adjuster bolt, but the present invention is not limited to this, and the adjuster 83 may be formed as a hydraulic cylinder.
  • the adjuster 83 can adjust the height of the pedestal 80 to determine the relative value of the height between the distal end 30a of the covering body 30 and the rotation driving device 10.
  • the optimum value of the relative height between the distal end 30a of the covering body 30 and the rotation driving device 10 is the length of the lead wire 20 and the covering body 30, the diameter of the covering body 30, and the wound lead wire 20. It depends on the tension that suppresses the relaxation of the covering body 30 and the winding time of the covering body 30 and the like. For example, when the length of the lead wire 20 is 1100 mm, the diameter of the lead wire 20 is 10 mm, and the width of the wound lead wire 20 in the longitudinal direction is 100 mm, the relative value of the height is 10 mm or more. It is necessary to make it, and it is preferably 30 mm.
  • the adjuster 83 may be formed as one adjuster 83 that supports the center of gravity of the pedestal 80, or may be formed so that the pedestal 80 is supported by a plurality of adjusters 83. Further, the adjuster 83 can be omitted when it is not necessary to adjust the relative value of the height between the distal end 30a of the covering body 30 and the rotation driving device 10.
  • the lead wire winding device 100 can be provided with a slider 85 that slidably supports the pedestal 80.
  • the slider 85 is formed so as to move the rotation driving device 10 in the direction of the distal end 30a of the covering body 30 to wind the covering body 30 of the lead wire 20 around the rotating body 51.
  • the slider 85 has, for example, a rail 85a that guides the pedestal 80 toward the rotary table 50, and a reciprocating table 85b that slides reciprocally on the rail 85a.
  • the slider 85 can be formed as an electrically driven device that moves at a constant speed in synchronization with the rotational movement of the rotary table 50. Further, the slider 85 may be formed so as to slide due to the tension of the lead wire 20 as the rotary table 50 rotates.
  • the lead wire winding device 100 By providing the lead wire winding device 100 with the slider 85, the covering body 30 of the lead wire 20 can be wound around the rotating body 51 at a constant speed, so that the covering body 30 can be wound uniformly, and the winding body 30 can be wound.
  • the shape can be stabilized. Therefore, by providing the lead wire winding device 100 with the slider 85, the same shape of the lead wire 20 in the final product motor 1 can be ensured, so that the work efficiency at the time of packing can be improved. Further, if the slider 85 is formed so as to slide by the tension of the lead wire 20, the configuration of the lead wire winding device 100 can be simplified, so that the manufacturing cost of the lead wire winding device 100 can be reduced.
  • the slider 85 can be omitted, for example, when the cover 30 of the lead wire 20 is wound while the rotary table 50 is brought close to the pedestal 80.
  • the lead wire winding device 100 can be provided with an equilibrium device 87 which is connected to the pedestal 80 and applies a constant tension to the lead wire 20.
  • an equilibrium device 87 for example, a traction device that supports the pedestal 80 with a constant force by connecting the pedestals 80 with a rope and pulling the pedestal 80 with a constant force is used.
  • the equilibrium device 87 may be a weight or a hydraulic cylinder as long as it supports the pedestal 80 with a constant force.
  • the balance device 87 in the lead wire winding device 100 By providing the balance device 87 in the lead wire winding device 100, the covering body 30 of the lead wire 20 is wound around the rotating body 51 in a state where a constant tension is applied to the lead wire 20, so that the lead wire 20 is wound. Relaxation due to its own weight can be suppressed. Therefore, by providing the balance device 87 in the lead wire winding device 100, the same shape of the lead wire 20 in the final product motor 1 can be ensured, so that the work efficiency at the time of packing can be improved.
  • the tension applied to the lead wire 20 by the equilibrium device 87 exceeds 50 N, the lead wire 20 can be relaxed due to its own weight, but the lead wire 20 is added more and the lead wire 20 is broken. there is a possibility. Therefore, the tension applied to the lead wire 20 by the equilibrium device 87 is preferably 50 N or less.
  • the equilibrium device 87 for example, when the cover 30 of the lead wire 20 is wound while the rotary table 50 is brought close to the pedestal 80, or the reciprocating table 85b of the slider 85 functions as a weight and becomes the lead wire 20. It can be omitted if it causes an applied tension.
  • the process of bundling the lead wires 20 of the electric motor 1 is performed manually, and the same shape of the lead wires 20 cannot be guaranteed, which causes a decrease in production efficiency.
  • a device for bundling power cables and the like for outdoor construction is known, but if a method of bundling power cables and the like for outdoor construction is adopted for the motor 1, the device cost becomes high, so that the lead of the motor 1 is mechanically used. The method of automatically bundling the wires 20 has not been put into practical use.
  • the lead wire winding device 100 of the second embodiment since the same shape of the lead wire 20 in the final product motor 1 can be ensured by a simple device, the work efficiency at the time of packing is improved. Can be made to. Therefore, according to the lead wire winding device 100 of the second embodiment, it is possible to suppress a decrease in the production efficiency of the electric motor 1 while reducing the manufacturing cost of the electric motor 1.
  • FIG. 4 is a flowchart showing a manufacturing process of the electric motor 1 by the lead wire winding device 100 according to the second embodiment. All or part of the steps shown below can be automated by the control device provided in the lead wire winding device 100.
  • step S1 the rotation drive device 10 is fastened to the pedestal 80 by the clamp 81.
  • step S2 the distal end 30a of the covering body 30 of the lead wire 20 is gripped by the clip 53.
  • step S2 the position of the pedestal 80 can be adjusted by the slider 85 so that the lead wire 20 is in an extended state.
  • step S3 the distance between the first arm 51a and the second arm 51b is adjusted by the first arm 51a and the second arm 51b of the rotating body 51, and the winding width and the number of windings of the covering body 30 are determined.
  • step S4 the height of the pedestal 80 is adjusted by the adjuster 83, and the relative value of the height between the distal end 30a of the covering body 30 and the rotation driving device 10 is determined.
  • step S5 the equilibrium device 87 applies a constant tension to the lead wire 20.
  • steps S3 to S5 can be omitted depending on the structure of the lead wire winding device 100 or the type of the motor 1 to be manufactured.
  • step S6 the covering body 30 of the lead wire 20 is wound by the rotation of the rotating body 51.
  • the rotation driving device 10 can be moved in the direction of the distal end 30a of the covering body 30 to wind the covering body 30.
  • the rotation driving device 10 is provided with a constant tension applied to the lead wire 20.
  • the covering body 30 can be wound by moving the covering body 30.
  • the electric motor 1 is removed from the lead wire winding device 100, the manufacturing process of the electric motor 1 is completed, and if there is another electric motor 1 to be manufactured, the steps S1 to S6 are repeated.
  • the same shape of the lead wire 20 in the final product electric motor 1 can be ensured by a simple method. Therefore, the manufacturing of the electric motor 1 is automated and the work at the time of packing is performed. Efficiency can be improved. Therefore, according to the lead wire winding device 100 of the second embodiment, it is possible to suppress a decrease in the production efficiency of the electric motor 1 while reducing the manufacturing cost of the electric motor 1.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

La présente invention concerne un moteur électrique pourvu d'un fil conducteur qui est relié à la coque externe d'un entraînement rotatif destiné à convertir l'électricité en énergie de rotation et qui fournit de l'électricité à l'entraînement rotatif. Le fil conducteur comporte un revêtement qui recouvre de multiples fils revêtus, comprenant un fil destiné à fournir l'électricité à l'entraînement rotatif et qui est enroulé en spirale et empilé avec les fils revêtus. L'invention concerne en outre le dispositif d'enroulement de fil conducteur et le procédé de fabrication du moteur électrique qui sont destinés à la fabrication du moteur électrique susmentionné.
PCT/JP2020/016130 2020-04-10 2020-04-10 Moteur électrique, dispositif d'enroulement de fil conducteur, et procédé de fabrication d'un moteur électrique WO2021205652A1 (fr)

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PCT/JP2020/016130 WO2021205652A1 (fr) 2020-04-10 2020-04-10 Moteur électrique, dispositif d'enroulement de fil conducteur, et procédé de fabrication d'un moteur électrique
JP2022514283A JP7378590B2 (ja) 2020-04-10 2020-04-10 電動機、リード線巻回装置、及び電動機の製造方法

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PCT/JP2020/016130 WO2021205652A1 (fr) 2020-04-10 2020-04-10 Moteur électrique, dispositif d'enroulement de fil conducteur, et procédé de fabrication d'un moteur électrique

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Citations (3)

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JP2008048525A (ja) * 2006-08-14 2008-02-28 Yazaki Corp ワイヤハーネスの余長吸収構造
WO2014061359A1 (fr) * 2012-10-15 2014-04-24 三菱電機株式会社 Moteur moulé et climatiseur

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JP4531283B2 (ja) 2001-03-30 2010-08-25 パナソニック株式会社 無線通信カード用収納ケース
JP2014023372A (ja) 2012-07-23 2014-02-03 Mitsubishi Electric Corp 型巻コイルの製造装置

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Publication number Priority date Publication date Assignee Title
JPH08168155A (ja) * 1994-12-15 1996-06-25 Nkk Corp 昇降体への給電装置
JP2008048525A (ja) * 2006-08-14 2008-02-28 Yazaki Corp ワイヤハーネスの余長吸収構造
WO2014061359A1 (fr) * 2012-10-15 2014-04-24 三菱電機株式会社 Moteur moulé et climatiseur

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