WO2019064373A1 - Moteur électrique et procédé de fabrication de moteur électrique - Google Patents

Moteur électrique et procédé de fabrication de moteur électrique Download PDF

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Publication number
WO2019064373A1
WO2019064373A1 PCT/JP2017/034937 JP2017034937W WO2019064373A1 WO 2019064373 A1 WO2019064373 A1 WO 2019064373A1 JP 2017034937 W JP2017034937 W JP 2017034937W WO 2019064373 A1 WO2019064373 A1 WO 2019064373A1
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Prior art keywords
phase
winding
teeth
voltage
winding portion
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PCT/JP2017/034937
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English (en)
Japanese (ja)
Inventor
治之 長谷川
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三菱電機株式会社
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Priority to PCT/JP2017/034937 priority Critical patent/WO2019064373A1/fr
Publication of WO2019064373A1 publication Critical patent/WO2019064373A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors

Definitions

  • the present invention relates to a motor having a slot combination of 10 poles and 12 slots or 14 poles and 12 slots and a method of manufacturing the motor.
  • the winding of the motor requires a wire connection operation, it is possible to reduce the number of wire connection operations by continuously winding a plurality of teeth with one magnet wire and performing a passing process with the magnet wire itself. It has been tried. In this method, it is necessary to wind continuously while securing insulation between windings of each phase. In the case of an 8-pole 9-slot motor, successive winding is generally performed in order to apply in-phase windings to three adjacent teeth.
  • Patent Document 1 discloses a method of wiring of a crossover of a 14 pole 12 slot series motor. Patent Document 1 discloses a method of implementing winding in an annular shape by devising a winding pattern between in-phase and enabling continuous winding in the same direction in all coils.
  • Patent No. 4112535 gazette
  • the present invention has been made in view of the above, and it is an object of the present invention to obtain a 10-pole 12-slot series or 14-pole 12-slot series electric motor in which insulation of each phase is secured and a crossover is realized by the magnet wire itself. I assume.
  • the present invention has a core back and teeth protruding from the first surface of the core back, and a core piece which is a laminated structure of a magnetic steel sheet that is a multiple of 12 It has a stator provided with a plurality of stator cores, a magnet wire wound on teeth, and a mover provided with magnets of multiples of 10 or 14 that are spaced apart from the teeth. .
  • the magnet wire includes a winding portion wound around teeth to form a coil, and a crossover portion connecting winding portions wound around different teeth. All crossovers are disposed on the second surface side of the core back.
  • the motor according to the present invention is a 10 pole 12 slot series or a 14 pole 12 slot series, and has an effect that insulation of each phase can be secured and a bridge wire can be realized by the magnet wire itself.
  • Sectional view along the rotation axis of the rotary electric machine according to Embodiment 1 of the present invention Sectional view perpendicular to the rotation axis of the rotary electric machine according to the first embodiment
  • a view of a stator core of a rotary electric machine according to Embodiment 1 as viewed from the inner peripheral side Connection diagram of the rotating electrical machine according to the first embodiment The figure which shows the wiring state of the magnet wire of the U phase of the rotary electric machine which concerns on Embodiment 1.
  • FIG. 1 A view of a stator core of a rotary electric machine according to Embodiment 2 as viewed from the inner peripheral side
  • FIG. 7 is a diagram showing transition of connection state of a rotating electrical machine according to a second embodiment;
  • a view of a stator core of a rotary electric machine according to a third embodiment as viewed from the inner peripheral side Connection diagram of the rotating electrical machine according to the third embodiment The figure which shows the wiring state of the magnet wire of the U phase of the rotary electric machine which concerns on Embodiment 3.
  • Diagram showing work contents of wire connection work of a rotating electrical machine according to a third embodiment A diagram showing a wire connection state after wire connection work of a rotary electric machine according to a third embodiment The figure which shows the state which looked at the stator core of the rotary electric machine which concerns on Embodiment 4 of this invention from the inner peripheral side.
  • Connection diagram of the rotating electrical machine according to the fourth embodiment The figure which shows the wiring state of the magnet wire which straddles U phase and V phase of the rotary electric machine which concerns on Embodiment 4.
  • FIG. 17 shows transition of connection state of a stator core of a rotary electric machine according to a fourth embodiment
  • FIG. 1 is a cross-sectional view taken along the rotation axis of the rotary electric machine according to Embodiment 1 of the present invention.
  • FIG. 2 is a cross-sectional view perpendicular to the rotation axis of the rotary electric machine according to the first embodiment.
  • the rotary electric machine 1 according to the first embodiment is an electric motor, and includes a mover 2 and a stator 3.
  • the mover 2 includes a shaft 21 and a plurality of magnets 22 1 , 22 2 , 22 3 , 22 4 , 22 5 , 22 6 , 22 7 , 22 8 , 22 9 , 22 10 installed around the shaft 21. Have.
  • the stator 3 has a frame 31 for accommodating the mover 2 and brackets 32 and 33 for rotatably supporting the shaft 21. Bearings 321 and 331 are installed on the brackets 32 and 33 to reduce the resistance caused by the rotation of the shaft 21. Inside the frame 31, a cylindrical stator core 310 is installed. The magnet 22 of the mover 2 and the stator core 310 of the stator 3 face each other with a gap.
  • the stator core 310 has a plurality of core pieces 30 1 , 30 2 , 30 3 , 30 4 , 30 5 , 30 6 , 30 7 , 30 8 , 30 9 , 30 10 , 30 11 , 30 12 .
  • the core pieces 30 1 , 30 2 , 30 3 , 30 4 , 30 5 , 30 6 , 30 7 , 30 8 , 30 9 , 30 10 , 30 11 , and 30 12 are all referred to as core pieces 30.
  • the core back 38a 1 , 38a 2 , 38a 3 , 38a 4 , 38a 5 , 38a 6 , 38a 7 , 38a 8 , 38a 9 , 38a 10 , 38a 11 , 38a 12 is referred to as the core back 38a.
  • the teeth 31a when referring to the entire tooth 31a 1, 31a 2, 31a 3 , 31a 4, 31a 5, 31a 6, 31a 7, 31a 8, 31a 9, 31a 10, 31a 11, 31a 12 is that the teeth 31a.
  • the core piece 30 is configured by laminating T-shaped electromagnetic steel plates.
  • the stacking direction of the core pieces 30 is a direction orthogonal to the arrangement direction of the teeth 31 a.
  • the stator core 310 is cylindrically disposed such that the first surface of the core back 38 a is on the inner circumferential side and the second surface is on the outer circumferential side.
  • the magnet wire 34 is wound around the teeth 31a.
  • the magnet wire 34 is a copper wire which does not have an insulation coating and has a core wire exposed.
  • the rotary electric machine 1 has a configuration of 10 poles and 12 slots, and three phase voltages of a first phase, a second phase and a third phase are applied.
  • the first phase is U phase
  • the second phase is V phase
  • the third phase is W phase.
  • FIG. 3 is a view of the stator core of the rotary electric machine according to the first embodiment as viewed from the inner peripheral side. In addition, FIG. 3 is illustrated in the state which expand
  • FIG. 4 is a connection diagram of the rotating electrical machine according to the first embodiment.
  • the magnet wire 34 wound around the teeth 31 a 1 , 31 a 2 , 31 a 7 , 31 a 8 forms winding portions 36 1 , 36 2 , 36 7 , 36 8 .
  • the winding unit 36 1, 36 2, 36 7, 36 8, the U-phase voltage is applied.
  • the magnet wire 34 wound around the teeth 31 a 3 , 31 a 4 , 31 a 9 , 31 a 10 forms winding portions 36 3 , 36 4 , 36 9 , 36 10 .
  • a voltage of V phase is applied to the windings 36 3 , 36 4 , 36 9 , 36 10 .
  • the magnet wire 34 wound around the teeth 31 a 5 , 31 a 6 , 31 a 11 , 31 a 12 forms winding portions 36 5 , 36 6 , 36 11 , 36 12 .
  • a W-phase voltage is applied to the windings 36 5 , 36 6 , 36 11 and 36 12 .
  • winding portion 36 1 , 36 2 , 36 3 , 36 4 , 36 5 , 36 6 , 36 7 , 36 8 , 36 9 , 36 10 , 36 11 , 36 12 is generally referred to as the winding portion 36. It is said.
  • the winding unit 36 1 and the winding unit 36 2 are connected by the core back 38a 1, 38a Dosen portion 37 1 which is disposed on the second surface side of the 2.
  • the winding portion 36 3 and the winding portion 36 4 are connected by the core back 38a 3, 38a Dosen portion 37 2 which is disposed on the second surface side of the 4.
  • the winding section 36 5 and the winding portion 36 6 are connected with the core back 38a 5, 38a Dosen portion 37 3 which is disposed on the second surface side of the 6.
  • the winding section 36 9 and the winding portion 36 10, are connected by Dosen 37 5 disposed on the second surface side of the core back 38a 9, 38a 10.
  • the winding unit 36 11 and the winding portion 36 12, are connected by the core back 38a 11, Dosen 37 6 disposed on the second surface side of 38a 12.
  • Dosen unit 37 1, 37 2, 37 3, 37 4, 37 5, 37 6, 37 7, 37 8, 37 9 when referring to the entire, that Dosen unit 37.
  • the core pieces 30 1 , 30 2 , 30 3 , 30 4 , 30 5 , 30 6 , 30 7 , 30 8 , 30 9 , 30 10 , 30 11 , 30 12 are provided at one end in the lamination direction of the magnetic steel sheets,
  • the insulators 31 b 1 , 31 b 2 , 31 b 3 , 31 b 4 , 31 b 5 , 31 b 6 , 31 b 7 , 31 b 8 , 31 b 9 , 31 b 10 , 31 b 11 , 31 b 12 are mounted.
  • the insulators 31 b and 31 c insulate the teeth 31 a from the magnet wire 34.
  • the core pieces 30 1 , 30 2 , 30 3 , 30 4 , 30 5 , 30 6 , 30 7 , 30 8 , 30 9 , 30 10 , 30 11 , and 30 12 are provided at the other end in the stacking direction of the magnetic steel sheets.
  • the insulators 31 c 1 , 31 c 2 , 31 c 3 , 31 c 4 , 31 c 5 , 31 c 6 , 31 c 7 , 31 c 8 , 31 c 9 , 31 c 10 , 31 c 11 , 31 c 12 are mounted.
  • the insulator 31c 1, 31c 2, 31c 3 , 31c 4, 31c 5, 31c 6, 31c 7, 31c 8, 31c 9, 31c 10, 31c 11, 31c 12 when referring to the entire referred insulator 31c.
  • the insulators 31 b 1 , 31 b 2 , 31 b 3 , 31 b 4 , 31 b 5 , 31 b 6 , 31 b 7 , 31 b 8 , 31 b 9 , 31 b 10 , 31 b 11 , 31 b 12 are notches 311 b 1, which are first notches. , 311 b 2 , 311 b 3 , 311 b 4 , 311 b 5 , 311 b 6 , 311 b 7 , 311 b 8 , 311 b 9 , 311 b 10 , 311 b 11 , 311 b 12 are formed.
  • notch 312c is first notch 1 , 312c 2, 312c 3, 312c 4, 312c 5, 312c 6, 312c 7, 312c 8, 312c 9, 312c 10, 312c 11, 312c 12 are formed.
  • the insulator 31c 1, 31c 2, 31c 3 , 31c 4, 31c 5, 31c 6, 31c 7, 31c 8, 31c 9, 31c 10, 31c 11, 31c 12, notch is lacking the second cut 313c 1, 313c 2, 313c 3 , 313c 4, 313c 5, 313c 6, 313c 7, 313c 8, 313c 9, 313c 10, 313c 11, 313c 12 are formed.
  • a notch 311 b when the whole of the notches 311 b 1 , 311 b 2 , 311 b 3 , 311 b 4 , 311 b 5 , 311 b 6 , 311 b 7 , 311 b 8 , 311 b 9 , 311 b 10 , 311 b 11 , 311 b 12 is referred to as a notch 311 b .
  • the notch 314b 1, 314b 2, 314b 3 , 314b 4, 314b 5, 314b 6, 314b 7, 314b 8, 314b 9, 314b 10, 314b 11, 314b 12 refers to whole, that notch 314b .
  • notch 312c 1, 312c 2, 312c 3 , 312c 4, 312c 5, 312c 6, 312c 7, 312c 8, 312c 9, 312c 10, 312c 11, 312c 12 refers to whole, that notches 312c .
  • notch 313c 1, 313c 2, 313c 3 , 313c 4, 313c 5, 313c 6, 313c 7, 313c 8, 313c 9, 313c 10, 313c 11, 313c 12 refers to whole, that notches 313c .
  • the length of the core piece 30 in the stacking direction is longer than the notch 314 b which is the first notch and the notch 314 b which is the second notch.
  • the length of the core piece 30 in the stacking direction is longer than that of the notch 313c, which is the first notch, than the notch 313c, which is the second notch.
  • the side on which the insulator 31 b is mounted is defined as a wire connection side
  • the side on which the insulator 31 c is mounted is defined as a reverse wire connection side
  • FIG. 5 is a diagram showing a wiring state of U-phase magnet wires of the rotary electric machine according to the first embodiment.
  • FIG. 5 shows the stator core 310 viewed from the connection side.
  • the teeth 31a 1, connection-side and wound magnet wire 34 from the side not adjacent to the teeth 31a 2 is viewed from the inner peripheral side in the counterclockwise winding portion 36 1 is formed.
  • Magnet wire 34 which has finished winding teeth 31a 1 is, passed through the outer peripheral side through the notch 311b 1 of the insulator 31b 1, it is returned to the inner peripheral side through the notch 311b 2 of the insulator 31b 2, Dosen 37 1 Is formed.
  • Magnet wire 34 is returned to the inner peripheral side, it is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and teeth 31a 1 to the teeth 31a 2, the winding unit 36 2 is formed .
  • Magnet wire 34 which has finished winding teeth 31a 2 in the counter-wire-connection-side is passed through to the outer peripheral side through the notch 312c 2 of the insulator 31c 2, it is returned to the inner peripheral side through the notch 313c 7 of the insulator 31c 7, passes line unit 37 7 are formed. Magnet wire 34 is returned to the inner peripheral side, that is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the counter-wire-connection-side and tooth 31a 8 on the teeth 31a 7, the winding unit 36 7 are formed ing.
  • Magnet wire 34 which has finished winding teeth 31a 7 is passed through the outer peripheral side through the notch 312c 7 of the insulator 31c 7, it is returned to the inner peripheral side through the notch 312c 8 of the insulator 31c 8, Dosen 37 4 Is formed. Magnet wire 34 is returned to the inner peripheral side, as viewed from the inner peripheral side from the side not adjacent to the counter-wire-connection-side and tooth 31a 7 on the teeth 31a 8 wound counterclockwise, not adjacent to the connection-side and tooth 31a 7 winding portion 36 8 is finished up at the side is formed.
  • FIG. 6 is a diagram showing a wiring state of the V-phase magnet wire of the rotary electric machine according to the first embodiment.
  • FIG. 6 shows the stator core 310 viewed from the connection side.
  • the teeth 31a 3, connection-side and wound magnet wire 34 from the side not adjacent to the tooth 31a 4 is viewed from the inner circumferential side in the counterclockwise winding portion 36 3 is formed.
  • Magnet wire 34 which has finished winding teeth 31a 3 is passed through the outer peripheral side through the notch 311b 3 of the insulator 31b 3, it is returned to the inner peripheral side through the notch 311b 4 of the insulator 31b 4, Dosen 37 2 Is formed.
  • Magnet wire 34 is returned to the inner peripheral side, it is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and the teeth 31a 3 the tooth 31a 4, the winding unit 36 4 is formed .
  • Magnet wire 34 which has finished winding teeth 31a 4 in counter-wire-connection-side is passed through to the outer peripheral side through the notch 312c 4 of the insulator 31c 4, it is returned to the inner peripheral side through the notch 313c 9 of the insulator 31c 9, passes line portion 37 8 is formed. Magnet wire 34 is returned to the inner peripheral side, that is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the counter-wire-connection-side and the tooth 31a 10 the teeth 31a 9, the winding unit 36 9 is formed ing.
  • Magnet wire 34 which has finished winding teeth 31a 9 is passed through the outer peripheral side through the notch 312c 9 of the insulator 31c 9, it is returned to the inner peripheral side through the notch 312c 10 of the insulator 31c 10, Dosen 37 5 Is formed. Magnet wire 34 is returned to the inner peripheral side, as viewed from the inner peripheral side from the side not adjacent to the counter-wire-connection-side and tooth 31a 9 teeth 31a 10 wound counterclockwise, not adjacent to the connection-side and tooth 31a 9 winding portion 36 10 is terminated up at the side is formed.
  • FIG. 7 is a diagram showing the wiring state of the W-phase magnet wire of the rotary electric machine according to the first embodiment.
  • FIG. 7 shows the stator core 310 viewed from the connection side.
  • the teeth 31a 5, connection-side and wound magnet wire 34 from the side not adjacent to the teeth 31a 6 is viewed from the inner circumferential side in the counterclockwise winding part 36 5 is formed.
  • Magnet wire 34 which has finished winding teeth 31a 5 is passed through the outer peripheral side through the notch 311b 5 of the insulator 31b 5, it is returned to the inner peripheral side through the notch 311b 6 of the insulator 31b 6, Dosen 37 3 Is formed.
  • the magnet wire 34 returned to the inner circumferential side is wound clockwise on the teeth 31 a 6 as viewed from the inner circumferential side from the wire connection side and the side not adjacent to the teeth 31 a 5 , thereby forming the winding portion 36 6 .
  • the magnet wire 34 which has finished winding the teeth 31a 6 on the non-connection side, is passed to the outer peripheral side through the notch 312c 6 of the insulator 31c 6 and returned to the inner peripheral side through the notch 313c 11 of the insulator 31c 11.
  • line unit 37 9 is formed.
  • the winding portion 36 11 is formed by the magnet wire 34 returned to the inner circumferential side being wound clockwise on the teeth 31 a 11 as viewed from the inner circumferential side from the non-connection side and the side not adjacent to the teeth 31 a 12 ing.
  • the magnet wire 34 having finished winding the teeth 31a 11 is passed to the outer peripheral side through the notch 312c 11 of the insulator 31c 11 and is returned to the inner peripheral side through the notch 312c 12 of the insulator 31c 12 so that the crossover portion 37 6 Is formed.
  • Magnet wire 34 is returned to the inner peripheral side, as viewed from the inner peripheral side from the side not adjacent to the counter-wire-connection-side and tooth 31a 11 the teeth 31a 12 wound counterclockwise, not adjacent to the connection-side and tooth 31a 11 by being wound terminated by side, the winding unit 36 12 is formed.
  • Dosen unit 37 7, 37 8, 37 9 is passed from the first notch 312c is long in the stacking direction of the core pieces 30 and magnet wires 34 to the second surface of the core back 38, the core pieces
  • the length in the stacking direction of 30 is a common pattern returned from the second notches 313c having a short length in the stacking direction to the first surface side of the core back 38, so they are parallel without overlapping each other.
  • the U-phase, the V-phase, and the W-phase have four coils connected in series and form a 1Y connection.
  • the stator 3 is provided with a crossover portion 37 that connects the winding portions 36 wound around different teeth 31 a on the second surface side of the core back 38.
  • Dosen 37 9 between the 31a 11 extends in parallel with the counter-wire-connection-side and outer peripheral side, the other Dosen portion 37, not in contact with the winding portion 36 and connection.
  • the U-phase, V-phase, and W-phase magnet wires 34 are wound around the teeth 31 a by winding the magnet wires 34 in the same winding pattern from the winding start to the winding end.
  • a cross section 37 is formed. Therefore, it is possible to arrange U-phase, V-phase and W-phase winding nozzles, and to carry out three-phase winding and parallel lines in parallel. Further, since the magnet wires 34 do not cross each other on the inner peripheral side, insulation can be ensured even if the operating voltage of the rotary electric machine 1 is a high voltage.
  • FIG. 8 is a view of a stator core of another configuration of the rotary electric machine according to the first embodiment as viewed from the inner peripheral side.
  • FIG. 8 illustrates the cylindrical stator core 310 in a developed state on a plane.
  • the insulator 31 b and the insulator 31 c have the same shape. By making the insulator 31 b and the insulator 31 c into the same shape, the manufacturing cost of the rotary electric machine 1 can be reduced by sharing parts.
  • all of the crossovers between the teeth 31a are arranged on the outer peripheral side of the stator core 310, and the windings, the crossovers and the wiring do not intersect, so the withstand voltage is increased. Can. Further, in the rotary electric machine 1 according to the first embodiment, all of the crossovers between the teeth 31a are disposed on the outer peripheral side of the stator core 310, and the windings, the crossovers, and the connections do not intersect. There is no need to perform the work of securing the insulation separately from the winding work. That is, in the rotary electric machine 1 according to the first embodiment, when securing insulation of each phase, the number of man-hours does not increase and the manufacturing cost does not increase.
  • FIG. 9 is a view of a stator core of a rotary electric machine according to a second embodiment as viewed from the inner peripheral side.
  • FIG. 10 is a diagram showing a wiring state of U-phase and V-phase magnet wires of the rotary electric machine according to the second embodiment.
  • FIG. 9 shows the stator core 310 viewed from the connection side.
  • the end of U-phase winding and the start of V-phase winding are connected by the magnet wire 34 that passes through the wire connection side and the outer peripheral side. That is, the U-phase magnet wire 34 and the V-phase magnet wire 34 are connected by one wire.
  • Magnet wire 34 are winding start from the teeth 31a 1 U-phase is wound sequentially teeth 31a 2, 31a 7, 31a 8 is similar to the rotary electric machine 1 according to the first embodiment.
  • the winding unit 36 1, 36 2, 36 7, 36 8 and Dosen unit 37 1, 37 7, 37 4 is similar to the rotary electric machine 1 according to the first embodiment.
  • the magnet wire 34 finished winding the teeth 31a 8 on the wire connection side is passed to the outer peripheral side through the notch 311b 8 of the insulator 31b 8 shown in FIG. 3 and returned to the inner peripheral side through the notch 311b 3 of the insulator 31b 3 ing.
  • the magnet wire 34 returned to the inner circumferential side is wound around the teeth 31 a 3 , 31 a 4 , 31 a 9 , 31 a 10 in order to form a V-phase magnet wire 34.
  • the V-phase magnet wire 34 is the same as the rotary electric machine 1 according to the first embodiment.
  • the winding unit 36 3, 36 4, 36 9, 36 10 and Dosen unit 37 2, 37 8, 37 5 is similar to the rotary electric machine 1 according to the first embodiment.
  • the magnet wire 34 finished winding the teeth 31a 10 on the wire connection side is passed to the outer peripheral side through the notch 311b 10 of the insulator 31b 10 shown in FIG. 3 and returned to the inner peripheral side through the notch 311b 5 of the insulator 31b 5 ing.
  • the magnet wire 34 returned to the inner circumferential side is wound around the teeth 31 a 5 , 31 a 6 , 31 a 11 and 31 a 12 in order to form a W-phase magnet wire 34.
  • the W-phase magnet wire 34 is the same as the rotary electric machine 1 according to the first embodiment. That is, the winding section 36 5, 36 6, 36 11, 36 12 and Dosen portion 37 3, 37 9, 37 6 are the same as the rotary electric machine 1 according to the first embodiment.
  • FIG. 11 is a diagram showing a state in which the magnet wire has been wound around the stator core of the rotary electric machine according to Embodiment 2. At the stage where the magnet wire 34 has been wound around the stator core 310, the U-phase, V-phase and W-phase magnet wires 34 are connected.
  • FIG. 12 is a diagram showing the work contents of the connection work of the rotary electric machine according to the second embodiment.
  • the star marks in FIG. 12 indicate places where the magnet wires 34 are connected, and crosses indicate places where the magnet wires 34 are cut.
  • the magnet wire 34 at the U-phase winding end and the magnet wire 34 at the W-phase winding end are connected by the wire 35, and the V-phase winding end
  • the part of the magnet wire 34 is cut.
  • the V-phase side of the magnet wire 34 cut at the end of V-phase winding becomes a V-phase terminal, and the W-phase side becomes a W-phase terminal.
  • FIG. 13 is a diagram showing the transition of the wire connection state of the rotary electric machine according to the second embodiment.
  • Wire connection after connecting magnet wire 34 of U-phase winding end and magnet wire 34 of W-phase winding end with wire 35 and cutting magnet wire 34 of V-phase winding end Is the same as the wire connection state of the rotary electric machine 1 according to the first embodiment shown in FIG. 4 except that the U-phase magnet wire 34 and the V-phase magnet wire 34 are connected by one wire.
  • the rotary electric machine 1 according to the second embodiment can wind the magnet wire 34 continuously for 12 teeth without dividing it into the U phase, the V phase and the W phase. Further, since the cut portion of the magnet wire 34 between the V phase and the W phase is used for the V phase terminal and the W phase terminal, waste of the magnet wire 34 can be eliminated. Further, in the rotary electric machine 1 according to the second embodiment, all of the crossovers between the teeth 31a are disposed on the outer peripheral side of the stator core 310, and the windings, the crossovers, and the connections do not intersect. There is no need to perform the work of securing the insulation separately from the winding work.
  • FIG. 14 is a view of a stator core of a rotary electric machine according to a third embodiment as viewed from the inner peripheral side.
  • FIG. 15 is a connection diagram of a rotating electrical machine according to a third embodiment.
  • Two U-phase, V-phase, and W-phase coils connected in series are connected in parallel to form a parallel Y-connection.
  • Insulator 31b 1, 31b 2, 31b 3 , 31b 4, 31b 5, 31b 6, 31b 7, 31b 8, 31b 9, 31b 10, 31b 11, 31b to 12, the notches 314b 1, 314b 2, 314b 3 , 314b 4, 314b 5, 314b 6 , 314b 7, 314b 8, 314b 9, 314b 10, 314b 11, 314b 12 are formed.
  • FIG. 16 is a diagram showing a wiring state of U-phase magnet wires of the rotary electric machine according to the third embodiment.
  • FIG. 16 shows the stator core 310 viewed from the wire connection side.
  • the teeth 31a 1, connection-side and wound magnet wire 34 from the side not adjacent to the teeth 31a 2 is viewed from the inner peripheral side in the counterclockwise winding portion 36 1 is formed.
  • Magnet wire 34 which has finished winding teeth 31a 1 is, passed through the outer peripheral side through the notch 311b 1 of the insulator 31b 1, it is returned to the inner peripheral side through the notch 311b 2 of the insulator 31b 2, Dosen 37 1 Is formed.
  • Magnet wire 34 is returned to the inner peripheral side, it is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and teeth 31a 1 to the teeth 31a 2, the winding unit 36 2 is formed .
  • Magnet wire 34 which has finished winding teeth 31a 2 in connection side is passed through to the outer peripheral side through the notch 314b 2 of the insulator 31b 2, that returned to the inner peripheral side through the notch 314b 7 of the insulator 31b 7, Dosen part 37 7 are formed. Magnet wire 34 is returned to the inner peripheral side, as viewed from the inner peripheral side from the side not adjacent to the connection-side and tooth 31a 8 the teeth 31a 7 is wound counterclockwise, the winding section 36 7 is formed There is.
  • Magnet wire 34 which has finished winding teeth 31a 7 is passed through the outer peripheral side through the notch 311b 7 of the insulator 31b 7, it is returned to the inner peripheral side through the notch 311b 8 of the insulator 31b 8, Dosen 37 4 Is formed. Magnet wire 34 is returned to the inner peripheral side, it is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and tooth 31a 7 on the teeth 31a 8, on the side adjacent to the connection-side and tooth 31a 7 It had finished winding, winding portion 36 8 is formed.
  • FIG. 17 is a diagram showing a wiring state of the V-phase magnet wire of the rotary electric machine according to the third embodiment.
  • FIG. 17 shows the stator core 310 as viewed from the connection side.
  • the teeth 31a 3, connection-side and wound magnet wire 34 from the side not adjacent to the tooth 31a 4 is viewed from the inner circumferential side in the counterclockwise winding portion 36 3 is formed.
  • Magnet wire 34 which has finished winding teeth 31a 3 is passed through the outer peripheral side through the notch 311b 3 of the insulator 31b 3, it is returned to the inner peripheral side through the notch 311b 4 of the insulator 31b 4, Dosen 37 2 Is formed.
  • Magnet wire 34 is returned to the inner peripheral side, it is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and the teeth 31a 3 the tooth 31a 4, the winding unit 36 4 is formed .
  • Magnet wire 34 which has finished winding teeth 31a 4 in connection side is passed through to the outer peripheral side through the notch 314b 4 of the insulator 31b 4, it is returned to the inner peripheral side through the notch 314b 9 of the insulator 31b 9, Dosen part 37 8 are formed. Magnet wire 34 is returned to the inner peripheral side, the teeth 31a 9 from the side not adjacent to the connection-side and tooth 31a 10 is wound counterclockwise as viewed from the inner circumferential side, the winding unit 36 9 is formed ing.
  • Magnet wire 34 which has finished winding teeth 31a 9 is passed through the outer peripheral side through the notch 311b 9 of the insulator 31b 9, it is returned to the inner peripheral side through the notch 311b 10 of the insulator 31b 10, Dosen 37 5 Is formed. Magnet wire 34 is returned to the inner peripheral side, it is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and tooth 31a 9 teeth 31a 10, on the side adjacent to the connection-side and tooth 31a 9 It had finished winding, winding unit 36 10 is formed.
  • FIG. 18 is a diagram showing the wiring state of the W-phase magnet wire of the rotary electric machine according to the third embodiment.
  • FIG. 18 shows the stator core 310 viewed from the connection side.
  • the teeth 31a 5, connection-side and wound magnet wire 34 from the side not adjacent to the teeth 31a 6 is viewed from the inner peripheral side counterclockwise, the winding unit 36 5 is formed.
  • Magnet wire 34 which has finished winding teeth 31a 5 is passed through the outer peripheral side through the notch 311b 5 of the insulator 31b 5, it is returned to the inner peripheral side through the notch 311b 6 of the insulator 31b 6, Dosen 37 3 Is formed.
  • the magnet wire 34 returned to the inner circumferential side is wound clockwise on the teeth 31 a 6 as viewed from the inner circumferential side from the wire connection side and the side not adjacent to the teeth 31 a 5 , thereby forming the winding portion 36 6 .
  • the magnet wire 34 which has finished winding the teeth 31a 6 on the wire connection side, is passed to the outer peripheral side through the notch 314b 6 of the insulator 31b 6 , and is returned to the inner peripheral side through the notch 314b 11 of the insulator 31b 11. part 37 9 are formed.
  • the magnet wire 34 returned to the inner circumferential side is wound around the teeth 31a 11 counterclockwise as viewed from the inner circumferential side from the connection side and the side not adjacent to the teeth 31a 12 , and the winding portion 36 11 is formed There is.
  • Magnet wire 34 which has finished winding teeth 31a 11 is passed through the outer peripheral side through the notch 311b 11 of the insulator 31b 11, it is returned to the inner peripheral side through the notch 311b 12 of the insulator 31b 12, Dosen 37 6 Is formed. Magnet wire 34 is returned to the inner peripheral side, it is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and tooth 31a 11 the teeth 31a 12, on the side adjacent to the connection-side and tooth 31a 11 It had finished winding, winding unit 36 12 is formed.
  • FIG. 19 is a diagram showing a state in which the magnet wire has been wound around the stator core of the rotary electric machine according to Embodiment 3. As shown in FIG. 19, U-phase, V-phase and W-phase magnet wires 34 are wound around the teeth 31a.
  • FIG. 20 is a diagram showing a wire connection state when the magnet wire has been wound around the stator core of the rotary electric machine according to the third embodiment. When the magnet wire 34 has been wound, the U-phase, V-phase and W-phase magnet wires 34 are not connected.
  • FIG. 21 is a diagram showing the work contents of the wire connection work of the rotary electric machine according to the third embodiment.
  • the star in FIG. 21 indicates a place where the magnet wire 34 is connected.
  • the winding start portion of the V-phase, and Dosen 37 7 of the U phase it is connected by wire-connection-side and outer peripheral side.
  • a portion of the winding end of the V phase, and a Dosen 37 9 of the W phase are connected by wire-connection-side and outer peripheral side.
  • a Dosen 37 9 of Dosen 37 7 and W-phase of the U phase it is connected by wire-connection-side and outer peripheral side.
  • the Dosen portion 37 8 of the V-phase placing the terminal.
  • connection state shown in FIG. 22, FIG. 15 It is the same as the connection condition.
  • the U-phase, V-phase, and W-phase magnet wires 34 are wound around the teeth 31 a by winding the magnet wires 34 in the same winding pattern from the winding start to the winding end. Is being done. Therefore, the winding nozzles for U phase, V phase and W phase can be arranged side by side, and the winding of three phases can be performed in parallel. Further, since the magnet wires 34 do not cross each other on the inner peripheral side, insulation can be ensured even if the operating voltage of the rotary electric machine 1 is a high voltage. That is, the rotary electric machine 1 according to the third embodiment does not have to perform the work of securing the insulation of each phase separately from the winding work.
  • FIG. 23 is a view showing the stator core of the rotary electric machine according to Embodiment 4 of the present invention as viewed from the inner peripheral side.
  • FIG. 24 is a connection diagram of a rotating electrical machine according to a fourth embodiment.
  • neutral points of 1Y connection by coils connected in series are connected to each other in U-phase, V-phase and W-phase, and 2Y connection is made.
  • FIG. 25 is a diagram showing a wiring state of magnet wires straddling the U phase and the V phase of the rotary electric machine according to the fourth embodiment.
  • FIG. 25 shows the stator core 310 as viewed from the connection side.
  • the teeth 31a 1, connection-side and wound magnet wire 34 from the side not adjacent to the teeth 31a 2 is viewed from the inner peripheral side in the counterclockwise winding portion 36 1 is formed.
  • Magnet wire 34 which has finished winding teeth 31a 1 is, passed through the outer peripheral side through the notch 311b 1 of the insulator 31b 1, it is returned to the inner peripheral side through the notch 311b 2 of the insulator 31b 2, Dosen 39 1 Is formed.
  • Magnet wire 34 is returned to the inner peripheral side, it is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and teeth 31a 1 to the teeth 31a 2, the winding unit 36 2 is formed .
  • Magnet wire 34 which has finished winding teeth 31a 2 in connection side is passed through to the outer peripheral side through the notch 314b 2 of the insulator 31b 2, that returned to the inner peripheral side through the notch 314b 3 of the insulator 31b 3, Dosen part 39 2 is formed.
  • Magnet wire 34 is returned to the inner peripheral side, as viewed from the inner peripheral side from the side not adjacent to the connection-side and tooth 31a 4 teeth 31a 3 is wound counterclockwise, the winding portion 36 3 is formed There is.
  • Magnet wire 34 which has finished winding teeth 31a 3 is passed through the outer peripheral side through the notch 311b 3 of the insulator 31b 3, it is returned to the inner peripheral side through the notch 311b 4 of the insulator 31b 4, Dosen 39 3 Is formed. Magnet wire 34 is returned to the inner peripheral side, it is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and the teeth 31a 3 the tooth 31a 4, on the side adjacent to the connection-side and tooth 31a 3 It had finished winding, winding unit 36 4 is formed.
  • FIG. 26 is a diagram showing a wiring state of magnet wires straddling W phase and U phase of the rotary electric machine according to the fourth embodiment.
  • FIG. 26 shows the stator core 310 as viewed from the connection side.
  • the teeth 31a 5, connection-side and wound magnet wire 34 from the side not adjacent to the teeth 31a 6 is viewed from the inner circumferential side in the counterclockwise winding part 36 5 is formed.
  • Magnet wire 34 which has finished winding teeth 31a 5 is passed through the outer peripheral side through the notch 311b 5 of the insulator 31b 5, it is returned to the inner peripheral side through the notch 311b 6 of the insulator 31b 6, Dosen 39 5 Is formed.
  • Magnet wire 34 is returned to the inner peripheral side, as viewed from the inner peripheral side from the side not adjacent to the connection-side and tooth 31a 5 teeth 31a 6 by being wound clockwise, the winding unit 36 6 is formed There is.
  • Magnet wire 34 which has finished winding teeth 31a 6 In connection side is passed through to the outer peripheral side through the notch 314b 6 of the insulator 31b 6, it is returned to the inner peripheral side through the notch 314b 7 of the insulator 31b 7, Dosen part 39 6 are formed.
  • Magnet wire 34 is returned to the inner peripheral side, as viewed from the inner peripheral side from the side not adjacent to the connection-side and tooth 31a 8 the teeth 31a 7 is wound counterclockwise, the winding section 36 7 is formed There is.
  • Magnet wire 34 which has finished winding teeth 31a 7 is passed through the outer peripheral side through the notch 311b 7 of the insulator 31b 7, it is returned to the inner peripheral side through the notch 311b 8 of the insulator 31b 8, Dosen 39 7 Is formed. Magnet wire 34 is returned to the inner circumference side is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and tooth 31a 7 on the teeth 31a 8, on the side adjacent to the connection-side and tooth 31a 7 It had finished winding, winding portion 36 8 is formed.
  • FIG. 27 is a diagram showing a wiring state of magnet wires straddling V-phase and W-phase of the rotary electric machine according to the fourth embodiment.
  • FIG. 27 shows the stator core 310 as viewed from the connection side.
  • the teeth 31a 9, connection-side and teeth 31a magnet wire 34 from the side not adjacent to the 10 is viewed from the inner circumferential side wound in a counter clockwise winding unit 36 9 is formed.
  • Magnet wire 34 which has finished winding teeth 31a 9 is passed through the outer peripheral side through the notch 311b 9 of the insulator 31b 9, it is returned to the inner peripheral side through the notch 311b 10 of the insulator 31b 10, Dosen 39 9 Is formed.
  • the magnet wire 34 returned to the inner circumferential side is wound clockwise on the teeth 31 a 10 as viewed from the inner circumferential side from the wire connection side and the side not adjacent to the teeth 31 a 9 to form a winding portion 36 10 .
  • the magnet wire 34 which has finished winding the teeth 31a 10 on the wire connection side, is passed to the outer peripheral side through the notch 314b 10 of the insulator 31b 10 , and is returned to the inner peripheral side through the notch 314b 11 of the insulator 31b 11. part 39 10 are formed.
  • the magnet wire 34 returned to the inner circumferential side is wound around the teeth 31a 11 counterclockwise as viewed from the inner circumferential side from the connection side and the side not adjacent to the teeth 31a 12 , and the winding portion 36 11 is formed There is.
  • Magnet wire 34 which has finished winding teeth 31a 11 is passed through the outer peripheral side through the notch 311b 11 of the insulator 31b 11, it is returned to the inner peripheral side through the notch 311b 12 of the insulator 31b 12, Dosen 39 11 Is formed.
  • Magnet wire 34 is returned to the inner peripheral side, it is wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and tooth 31a 11 the teeth 31a 12, on the side adjacent to the connection-side and tooth 31a 11 It had finished winding, winding unit 36 12 is formed.
  • the magnet wire 34 of the winding start portion of the teeth 31a 3, a winding magnet wire 34 of the first part of the tooth 31a 8, the magnet wire 34 of the winding start portion of the teeth 31a 11, are connected.
  • FIG. 28 is a diagram showing a state in which magnet wires are wound around a stator core of a rotary electric machine according to a fourth embodiment.
  • the teeth 31a 1, to form a winding portion 36 1 wound watches magnet wire 34 from the inner peripheral side from the side not adjacent to the connection-side and tooth 31a 2 counterclockwise.
  • the magnet wire 34 returning to the inner circumferential side to form a winding portion 36 2 wound clockwise when viewed from the inner peripheral side from the side not adjacent to the connection-side and teeth 31a 1 to the teeth 31a 2.
  • the magnet wire 34 which has finished winding teeth 31a 2 in connection side, turning to the outer peripheral side through the notch 314b 2 of the insulator 31b 2, back to the inner peripheral side through the notch 314b 3 of the insulator 31b 3, the Dosen portion 39 2 Form.
  • magnet wire 34 which has finished winding teeth 31a 4 in connection side is passed through to the outer peripheral side through the notch 314b 4 of the insulator 31b 4, the inner peripheral side through the notch 314b 5 of the insulator 31b 5 by back, Dosen portion 39 4 are formed.
  • the magnet wire 34, which has finished winding the teeth 31a 8 on the wire connection side is passed to the outer peripheral side through the notch 314b 8 of the insulator 31b 8 and is returned to the inner peripheral side through the notch 314b 9 of the insulator 31b 9 , Dosen portion 39 8 is formed.
  • FIG. 29 is a diagram showing a state in which a part of the magnet wire wound around the stator core of the rotary electric machine according to Embodiment 4 is cut.
  • the asterisks in FIG. 29 indicate places where the magnet wires 34 are connected, and crosses indicate places where the magnet wires 34 are cut.
  • FIG. 30 is a diagram showing the transition of the connection state of the stator core of the rotary electric machine according to the fourth embodiment.
  • the magnet wire 34 is cut at the winding start portion of the teeth 31 a 5 , and the magnet wire 34 at the winding start portion of the teeth 31 a 3 , the magnet wire 34 at the winding start portion of the teeth 31 a 8 , and the teeth 31 a 11
  • the wire connection state after connecting the magnet wire 34 at the winding start part is the same as the wire connection state shown in FIG.
  • the rotary electric machine 1 according to the fourth embodiment all Dosen unit 39 1, 39 2, 39 3, 39 5, 39 6, 39 7, 39 9, 39 10, 39 11 to the outer peripheral side of the core back 38a Since the magnet wires 34 are arranged so that the magnet wires 34 do not cross each other on the inner peripheral side of the core back 38 a, insulation can be ensured even if the operating voltage is high. That is, the rotary electric machine 1 according to the fourth embodiment does not have to perform the work of securing the insulation of each phase separately from the winding work.
  • stator core of the rotary electric machine that performs rotational movement has been described, but the present invention can also be applied to the stator core of a linear motor that performs linear movement.
  • the configuration shown in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and one of the configurations is possible within the scope of the present invention. Parts can be omitted or changed.

Abstract

La présente invention concerne une machine électrique tournante qui comprend : un stator comportant un noyau de stator pourvu de pièces de noyau (30) en multiples de 12 qui sont des structures stratifiées de plateaux électromagnétiques et qui ont chacune un dos de noyau (38a) et des dents (31a) qui font saillie à partir d'une première surface du dos de noyau (38a), le stator comportant des fils de bobinage (34) enroulés sur les dents (31a) ; et un rotor comportant des aimants en multiples de 10 ou en multiples de 14 et disposé de telle sorte qu'un espace est ouvert entre les aimants et les dents (31a). Les fils de bobinage (34) comportent chacun une partie de fil de bobinage (36) qui est enroulée sur chacune des dents (31a) et forme une bobine, et une partie de fil de croisement (37) qui relie les unes aux autres les parties de fil de bobinage (36) enroulées sur différentes dents (31a). Toutes les parties de fil de croisement (37) sont disposées sur le second côté de surface des dos de noyau (38a).
PCT/JP2017/034937 2017-09-27 2017-09-27 Moteur électrique et procédé de fabrication de moteur électrique WO2019064373A1 (fr)

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WO2020262246A1 (fr) * 2019-06-25 2020-12-30 株式会社デンソー Moteur

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JPH06225488A (ja) * 1993-01-28 1994-08-12 Matsushita Electric Ind Co Ltd ブラシレスモータのステータ
JP2004096838A (ja) * 2002-08-29 2004-03-25 Mitsubishi Electric Corp 電動機の固定子及びモールド電動機及び空気調和機及び電動機の固定子の製造方法
JP2005224052A (ja) * 2004-02-06 2005-08-18 Fujitsu General Ltd 電動機およびその製造方法
JP2007110848A (ja) * 2005-10-14 2007-04-26 Odawara Engineering Co Ltd ３相９極のステータ及びそのステータコイル巻線方法
JP2012125057A (ja) * 2010-12-08 2012-06-28 Mitsubishi Electric Corp 回転電機の固定子のコイルボビンおよびこのコイルボビンを使用した回転電機の固定子の巻線方法
JP2013138585A (ja) * 2011-12-28 2013-07-11 Fujitsu General Ltd 電動機
JP2016052224A (ja) * 2014-09-02 2016-04-11 アイシン精機株式会社 ステータ、そのステータを適用した回転電機及びステータの結線方法

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Publication number Priority date Publication date Assignee Title
JPH06225488A (ja) * 1993-01-28 1994-08-12 Matsushita Electric Ind Co Ltd ブラシレスモータのステータ
JP2004096838A (ja) * 2002-08-29 2004-03-25 Mitsubishi Electric Corp 電動機の固定子及びモールド電動機及び空気調和機及び電動機の固定子の製造方法
JP2005224052A (ja) * 2004-02-06 2005-08-18 Fujitsu General Ltd 電動機およびその製造方法
JP2007110848A (ja) * 2005-10-14 2007-04-26 Odawara Engineering Co Ltd ３相９極のステータ及びそのステータコイル巻線方法
JP2012125057A (ja) * 2010-12-08 2012-06-28 Mitsubishi Electric Corp 回転電機の固定子のコイルボビンおよびこのコイルボビンを使用した回転電機の固定子の巻線方法
JP2013138585A (ja) * 2011-12-28 2013-07-11 Fujitsu General Ltd 電動機
JP2016052224A (ja) * 2014-09-02 2016-04-11 アイシン精機株式会社 ステータ、そのステータを適用した回転電機及びステータの結線方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020262246A1 (fr) * 2019-06-25 2020-12-30 株式会社デンソー Moteur
JPWO2020262246A1 (ja) * 2019-06-25 2021-09-30 株式会社デンソー モータ
CN114072986A (zh) * 2019-06-25 2022-02-18 株式会社电装 电动机
JP7160198B2 (ja) 2019-06-25 2022-10-25 株式会社デンソー モータ
CN114072986B (zh) * 2019-06-25 2024-01-19 株式会社电装 电动机

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