WO2020174817A1 - Stator de machine dynamo-électrique, machine dynamo-électrique, procédé de fabrication de stator de machine dynamo-électrique, et procédé de fabrication de machine dynamo-électrique - Google Patents

Stator de machine dynamo-électrique, machine dynamo-électrique, procédé de fabrication de stator de machine dynamo-électrique, et procédé de fabrication de machine dynamo-électrique Download PDF

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Publication number
WO2020174817A1
WO2020174817A1 PCT/JP2019/049126 JP2019049126W WO2020174817A1 WO 2020174817 A1 WO2020174817 A1 WO 2020174817A1 JP 2019049126 W JP2019049126 W JP 2019049126W WO 2020174817 A1 WO2020174817 A1 WO 2020174817A1
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WO
WIPO (PCT)
Prior art keywords
stator
core
electric machine
coil
teeth
Prior art date
Application number
PCT/JP2019/049126
Other languages
English (en)
Japanese (ja)
Inventor
雄哉 横手
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 JP2021501610A priority Critical patent/JP7038894B2/ja
Priority to CN201980085353.7A priority patent/CN113454880A/zh
Publication of WO2020174817A1 publication Critical patent/WO2020174817A1/fr

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    • 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
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • 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
    • 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
    • H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto

Definitions

  • the present application relates to a stator of a rotary electric machine, a rotary electric machine, a method of manufacturing a stator of a rotary electric machine, and a method of manufacturing a rotary electric machine.
  • a stator used in a rotating electric machine such as an electric motor or a generator is composed of a stator core and a coil mounted in a slot between the teeth of the stator core.
  • the coil wire forming the coil is insulated and the coil is insulated from the stator core.
  • an insulating portion is further provided at a portion where the stator core and the coil are in contact with each other.
  • the coil wire is wound around the stator core via the insulating part, and the coil is installed.
  • the above-mentioned insulating portion has a cavity capable of accommodating the pressure contact terminal. Then, in the stator, the coil wire and the pressure contact terminal are inserted and the respective teeth are connected by jumper wires (for example, refer to Patent Document 1). Further, there is another conventional stator in which a coil wire is wound continuously in three teeth in order to reduce the number of connection parts (for example, refer to Patent Document 2). Further, there is another conventional stator in which a coil wire is continuously wound around two teeth separated by two teeth (for example, refer to Patent Document 3, Patent Document 4, and Patent Document 5).
  • the present application discloses a technique for solving the above problems, interference of the crossover wire of the stator core during winding of the coil wire at the time of coil formation is prevented, the number of connection members can be reduced, and manufacturing
  • An object of the present invention is to provide a stator for a rotary electric machine, a method for manufacturing a rotary electric machine, a stator for a rotary electric machine, and a method for manufacturing a rotary electric machine, which can reduce time and improve productivity.
  • the stator of the rotary electric machine disclosed in the present application is A stator core having a yoke portion arranged in an annular shape and a plurality of teeth formed on the inner peripheral surface of the inside of the yoke portion in the radial direction and protruding inward in the radial direction at predetermined intervals in the circumferential direction. And a coil formed by winding a coil wire around each of the plurality of teeth, and a stator disposed between the stator core and an insulating portion that insulates the stator core from the stator of a rotating electric machine.
  • the insulating part has a first projecting part projecting from one side in the axial direction from the stator core, and a groove part having a plurality of steps in the axial direction on an outer peripheral surface on the outer side in the radial direction of the first projecting part. Then
  • the winding start line of the coil wire, the winding end line, and all of the connecting wires connecting the coils of the different teeth are installed in the first protruding portion of the insulating portion in the same direction in the axial direction,
  • the winding start line is continuous with the groove portion formed on the first protruding portion of the insulating portion on the side closest to the stator core in the axial direction, and has a diameter from the outer side in the radial direction of the first protruding portion.
  • the crossover wire is a continuous wire obliquely arranged from the side opposite to the stator core in the axial direction of the insulating portion toward the stator core side in the axial direction while crossing between the different teeth, and is held in the groove portion. Is done.
  • the rotating electric machine disclosed in the present application is A stator of the rotating electric machine described above, And a rotor arranged to face the stator via an air gap.
  • the manufacturing method of the stator of the rotary electric machine disclosed in the present application is The yoke portion of the stator core is linearly deformed, and the three coil wires are simultaneously wound by three winding nozzles in a track along the shape of the three teeth that are continuous in the circumferential direction, to form three coil wires. After forming the coils on the teeth, the three coil wires are respectively held as the connecting wires in the groove portions of the first protrusions of the three teeth, and the three coil wires are circumferentially separated from each other. It moves to the teeth.
  • the manufacturing method of the stator of the rotary electric machine disclosed in the present application is The yoke portion of the stator core is deformed into an inverted warp shape, and the three coil wires are simultaneously wound by three winding nozzles in a track along the shape of the three teeth that are continuous in the circumferential direction. After forming the coil on each of the teeth, the three coil wires are respectively retained as the connecting wires in the groove portions of the first protrusions of the three teeth, and are separated in the circumferential direction by three. It moves to the teeth. Further, the method for manufacturing a rotary electric machine disclosed in the present application, A rotor is arranged to face the stator manufactured by the method for manufacturing a stator of a rotating electric machine described above with an air gap in between.
  • the stator of the rotating electric machine the rotating electric machine, the method of manufacturing the stator of the rotating electric machine, and the method of manufacturing the rotating electric machine disclosed in the present application.
  • Interference of the crossover wires of the stator core during winding of the coil wire during coil formation can be prevented, the number of connection members can be reduced, and the manufacturing time can be shortened to improve productivity.
  • FIG. 3 is a rear view showing a state where the yoke portion of the stator core of the stator of the rotary electric machine according to the first embodiment is linearly deformed. It is a front perspective view which shows the structure of the stator shown in FIG. It is a perspective view which shows the structure of the one core plate which comprises the stator core of the stator shown in FIG. It is a perspective view which shows the structure of the stator core which laminated
  • FIG. 5 is a plan view of a core portion including one tooth of the stator core shown in FIG. 4 as viewed from above. It is the perspective view which showed the structure of the 1st winding frame which has the 1st protrusion part of the insulation part used for the stator shown in FIG.
  • FIG. 8 is a perspective view showing a configuration in which the first winding frame shown in FIG. 6 and the second winding frame shown in FIG. 7 are mounted on the core portion shown in FIG. 4. It is a front view which shows the structure which looked at the core part shown in FIG. 8 from the direction shown by the arrow A.
  • FIG. 9 is a rear view showing the configuration of the core portion shown in FIG. 8 viewed from the direction shown by arrow B. It is a side view which shows the structure which looked at the core part shown in FIG. 8 from the direction shown by the arrow C.
  • FIG. 8 is a perspective view showing a configuration in which the first winding frame shown in FIG. 6 and the second winding frame shown in FIG. 7 are mounted on the core portion shown in FIG. 4. It is a front view which shows the structure which looked at the core part shown in FIG. 8 from the direction shown by the arrow A.
  • FIG. 9 is a rear view showing the configuration of the core portion shown in FIG. 8 viewed from the direction shown by arrow B. It
  • FIG. 9 is a plan view showing the configuration of the core portion shown in FIG. 8 viewed from the direction shown by arrow D. It is a figure which shows the manufacturing method of the stator shown in FIG. It is a figure which shows the manufacturing method of the stator shown in FIG. It is a figure which shows the manufacturing method of the stator shown in FIG. It is a figure which shows the manufacturing method of the stator shown in FIG. It is a figure which shows the other manufacturing method of the stator shown in FIG.
  • FIG. 9 is a front perspective view showing a state in which a yoke portion of a stator core of the stator of the rotary electric machine according to the second embodiment is linearly deformed.
  • FIG. 18 is an exploded perspective view showing a state before the insulating portion is attached to the stator core shown in FIG. 17.
  • FIG. 23 is a top cross-sectional view showing the configuration of the rotary electric machine shown in FIG. 22.
  • 23 is a flowchart showing a method for manufacturing the rotary electric machine shown in FIG. 22.
  • 23 is a flowchart showing a method for manufacturing the rotary electric machine shown in FIG. 22.
  • FIG. 1 is a rear view showing a state in which a yoke portion of a stator core of a stator of a rotary electric machine according to Embodiment 1 is linearly deformed.
  • FIG. 2 is a front perspective view showing the structure of the stator shown in FIG.
  • FIG. 3 is a perspective view showing the configuration of one core plate that constitutes the stator core of the stator shown in FIG.
  • FIG. 4 is a perspective view showing a configuration of a stator core formed by laminating a plurality of the single core plates shown in FIG. 3 in the axial direction.
  • FIG. 5 is a plan view showing a configuration of the core portion including one tooth of the stator core shown in FIG. 4 as seen from the upper surface.
  • FIG. 6 is a perspective view showing a configuration of a first winding frame having a first protruding portion of an insulating portion used in the stator shown in FIG.
  • FIG. 7 is a perspective view showing a configuration of a second winding frame having a second protruding portion of an insulating portion used in the stator shown in FIG.
  • FIG. 8 is a perspective view showing a configuration in which the first winding frame shown in FIG. 6 and the second winding frame shown in FIG. 7 are mounted on the core portion shown in FIG.
  • FIG. 9 is a front view showing the configuration of the core portion shown in FIG. 8 viewed from the direction indicated by arrow A.
  • FIG. 10 is a rear view showing the configuration of the core portion shown in FIG. 8 viewed from the direction indicated by arrow B.
  • FIG. 11 is a side view showing the configuration of the core portion shown in FIG. 8 viewed from the direction indicated by arrow C.
  • FIG. 12 is a plan view showing the configuration of the core portion shown in FIG. 8 viewed from the direction indicated by arrow D.
  • 13 to 15 are views showing a method of manufacturing the stator shown in FIG.
  • FIG. 16 is a diagram showing another method for manufacturing the stator shown in FIG.
  • each direction in the stator 100 of the rotating electric machine is based on the state when the yoke portion 11 of the stator 100 is annularly arranged, and the respective directions are the circumferential direction Z, the axial direction Y, the radial direction X, and the radial direction X.
  • the outer side X1 and the inner side X2 in the radial direction X are shown.
  • the yoke portion 11 of the stator core 1 of the stator 100 is linearly deformed, or even if the yoke portion 11 of the stator 100 is deformed in a reverse warp shape in which the protruding direction of the teeth 12 is reversed, the yoke portion 11 of the stator 100 is Each direction will be described with reference to the drawings based on the direction of the state in which they are arranged annularly. In addition, also in other embodiment, the said direction is shown and demonstrated on the same basis.
  • the stator 100 includes a stator core 1, a coil 7, and an upper winding frame 2 and a lower winding frame 3 as insulating portions arranged to insulate the stator core 1 and the coil 7. ..
  • the stator core 1 includes a yoke portion 11 arranged in an annular shape (however, in each drawing, the yoke portion 11 is linearly deformed as shown above), and the yoke portion 11.
  • a plurality of teeth 12 (see FIG. 4) formed on the inner peripheral surface 112 on the inner side X2 in the radial direction X (see FIG. 5) and protruding inward on the inner side X2 in the radial direction X at predetermined intervals in the circumferential direction Z. Have and.
  • the stator core 1 is formed by stacking a plurality of core plates 6 formed by punching out thin magnetic steel plates shown in FIG. 3 in the axial direction Y as shown in FIG.
  • a portion of the yoke portion 11 where one tooth 12 is formed will be described below as the core portion 60.
  • the stator core 1 is formed by connecting the yoke portions 11 of the plurality of core portions 60 with the connecting portion 111 in the circumferential direction Z.
  • the stator core 1 is configured by connecting nine core portions 60 with a connecting portion 111.
  • the yoke portion 11 of the stator core 1 can be freely bent by the connecting portion 111, so that the yoke portion 11 can be deformed into a linear shape or a reverse warp shape in which the direction of the teeth 12 protruding in the radial direction X is reversed. To be done.
  • the core portions 60 arranged in the circumferential direction Z are arranged from the winding start side of the coil wire 70 to the first core portion 61, the second core portion 62, and the third core.
  • it is a star connection wiring structure that is composed of three phases of a U phase, a V phase, and a W phase, and different phases are arranged in the circumferential direction Z for each adjacent core portion 60.
  • the first core portion 61 has a U phase (U1)
  • the second core portion 62 has a V phase (V1)
  • the third core portion 63 has a W phase (W1)
  • the fourth core portion 64 has a U phase (U2).
  • the fifth core portion 65 is V phase (V2)
  • the sixth core portion 66 is W phase (W2)
  • the seventh core portion 67 is U phase (U3)
  • the eighth core portion 68 is V phase (V3)
  • the core portion 69 is the W phase (W3).
  • each of the core portions 61 to 69 is irrespective of the state in which the coil 7, the upper winding frame 2 and the lower winding frame 3 as an insulating portion are installed in the core portions 61 to 69, or the core parts 61 to 69 are not installed. Adopt the description.
  • a surface along the axial direction Y on the outer side X1 in the radial direction X of the yoke portion 11 is defined as an outer peripheral surface 113.
  • a first concave portion 114 extending in the axial direction Y is formed on the outer peripheral surface 113 of the yoke portion 11.
  • the first recess 114 is used for positioning when the stator core 1 is attached to the winding machine forming the coil 7.
  • the teeth 12 are provided with shoe portions 13 respectively protruding in the circumferential direction Z at the tips of the inner side X2 in the radial direction X.
  • a surface along both ends of the tooth 12 in the circumferential direction Z along the axial direction Y is defined as a first side surface 121, and a surface of the inner end X2 of the tooth 12 along the radial direction X is defined as a distal end surface 122.
  • a surface along the axial direction Y of the outer side X1 of the shoe portion 13 in the radial direction X is referred to as a second side surface 131.
  • the first side surface 121, the second side surface 131, and the tip end surface 122 are side surfaces along the axial direction Y of the tooth 12.
  • the region surrounded by the inner peripheral surface 112, the first side surface 121, and the second side surface 131 becomes the slot 14 in which the coil wire 70 is wound and the coil 7 is formed.
  • the upper reel 2 and the lower reel 3 as the insulating portion will be described with reference to FIGS. 6 to 12.
  • the upper reel 2 is composed of a first protruding portion 21 and a first leg portion 22.
  • the lower reel 3 includes a second protrusion 31 and a second leg 32.
  • FIG. 8 is a view showing a state in which the upper winding frame 2 and the lower winding frame 3 are installed on the core portion 60, and the first protruding portion 21 is formed so as to protrude from the core portion 60 from one side in the axial direction Y.
  • the second protrusion 31 is formed so as to protrude from the core portion 60 from the other side in the axial direction Y.
  • a groove portion 9 having a plurality of steps in the axial direction Y is formed on the outer peripheral surface 201 on the outer side X1 of the first projecting portion 21 of the upper reel 2 in the radial direction X.
  • the groove portion 9 is formed in four steps of a first groove portion 91, a second groove portion 92, a third groove portion 93 and a fourth groove portion 94 from the side away from the stator core 1 in the axial direction Y.
  • the respective groove portions 91, 92, 93, 94 are formed so as to be inclined in the axial direction Y. For example, referring to FIGS.
  • the groove portion 92 is formed so as to be close to the position in the axial direction Y on the side of the first core portion 61 adjacent to the circumferential direction Z of the groove portion 92.
  • the position of the second groove portion 92 of the first core portion 61 in the axial direction Y adjacent to the circumferential direction Z of the second groove portion 92 and the position of the third groove portion 93 of the second core portion 62 adjacent to the circumferential direction Z of the second core portion 62 It is formed so as to be close to the position in the axial direction Y on the first core portion 61 side. Further, it is adjacent to the position in the axial direction Y on the side of the second core portion 62 adjacent to the circumferential direction Z of the third groove portion 93 of the first core portion 61 and the circumferential direction Z of the fourth groove portion 94 of the second core portion 62. It is formed so as to be close to the position in the axial direction Y on the first core portion 61 side.
  • the first projecting portion 21 of the upper bobbin 2 is continuous with the fourth groove portion 94 on the side closest to the stator core 1 in the axial direction Y, and extends from the outer side X1 of the first projecting portion 21 in the radial direction X to the radial direction X.
  • the inner groove X2 which has an inclined surface 950 along the axial direction Y in which the width in the circumferential direction Z gradually decreases from the side opposite to the stator core 1 in the axial direction Y toward the stator core 1 side. Have 95.
  • the first projecting portion 21 of the upper bobbin 2 is continuous with the first groove portion 91 on the side farthest from the stator core 1 in the axial direction Y, and from the inner side X2 in the radial direction X of the first projecting portion 21 in the radial direction.
  • the lead-out groove portion 96 is formed continuously on the outer side X1 of X. Therefore, the introduction groove portion 95 and the lead-out groove portion 96 are continuously formed from the outer peripheral surface 201 of the first protruding portion 21 to the inner peripheral surface 202 of the inner side X2 in the radial direction X.
  • first projecting portion 21 of the upper reel 2 is arranged in the circumferential direction of the second groove portion 92, the third groove portion 93, and the fourth groove portion 94 other than the first groove portion 91 farthest from the stator core 1 in the axial direction Y.
  • a first power supply groove portion 97, a second power supply groove portion 98, and a third power supply groove portion 99 that extend from the outer side X1 in the radial direction X of the first protruding portion 21 to the inner side X2 in the radial direction X are provided. Therefore, the first power supply groove portion 97, the second power supply groove portion 98, and the third power supply groove portion 99 are formed by cutting out the inner peripheral surface 202 from the outer peripheral surface 201 of the first projecting portion 21.
  • the first groove portion 91, the second groove portion 92, the third groove portion 93, and the fourth groove portion 94 hold the connecting wire 8 that connects the coils 7 of different teeth 12 to each other.
  • the connecting wire 8 is a continuous wire connecting the coils 7 to each other.
  • the introduction groove portion 95 holds the coil wire 70 so as to be wound around the tooth 12 so as to be introduced from the outer side X1 in the radial direction X of the stator core 1 to the inner side X2 in the radial direction X. At this time, since the introduction groove 95 has the inclined surface 950, the coil wire 70 can be introduced easily and easily.
  • the lead-out groove portion 96 holds the crossover wire 8 wound around the tooth 12 to form the coil 7 so as to lead out from the inner side X2 in the radial direction X of the stator core 1 to the outer side X1 in the radial direction X, and prevents loosening.
  • the first power supply groove portion 97, the second power supply groove portion 98, and the third power supply groove portion 99 introduce the winding start portion of the coil wire 70 from the outer side X1 in the radial direction X of the stator core 1 to the inner side X2 in the radial direction X. Hold on.
  • the first leg 22 of the upper reel 2 and the second leg 32 of the lower reel 3 are configured to cover the inner peripheral surface 112, the first side surface 121, and the second side surface 131 of the core portion 60. That is, each leg 22, 32 fits into the slot 14 to insulate the coil 7 from the stator core 1.
  • the first embodiment shows an example in which the first leg portion 22 and the second leg portion 32 are formed to have substantially the same length in the axial direction Y, the present invention is not limited to this. It is sufficient that the stator core 1 and the coil 7 can be insulated from each other by the leg portions 22 and 32, and the lengths of the leg portions 22 and 32 in the axial direction Y can be appropriately changed.
  • the coil wire 70 is a wire for forming the coil 7.
  • the three coil wires 70 of the first coil wire 71, the second coil wire 72, and the third coil wire 73 are used.
  • the winding start lines of the coil 7 are a first winding start wire 711, a second winding start wire 721, and a third winding start wire 731.
  • the first winding start wire 711, the second winding start wire 721, and the third winding start wire 731 are moved from the outer side X1 in the radial direction X of the stator core 1 to the inner side X2 to be used as a power supply line,
  • the one power supply line 713, the second power supply line 723, and the third power supply line 733 are indicated by broken lines, and details will be described later.
  • the winding-finished line of the coil 7 is referred to as a first winding end line 712, a second winding end line 722, and a third winding end line 732.
  • the first winding end line 712, the second winding end line 722, and the third winding end line 732 are connected to form the neutral point 700. Note that, as described above, when description is not required using each part of the coil wire 70, the coil wire 70 will be generically described.
  • the crossover wire 8 is formed of a coil wire 70.
  • the crossover 8 includes a first crossover 81, a second crossover 82, a third crossover 83, a fourth crossover 84, a fifth crossover 85, and a sixth crossover 86.
  • the first connecting wire 81 connects the coil 7 of the first core portion 61 and the coil 7 of the fourth core portion 64, which are separated by three in the circumferential direction Z.
  • the second connecting wire 82 connects the coil 7 of the second core portion 62 and the coil 7 of the fifth core portion 65, which are separated by three in the circumferential direction Z.
  • the third connecting wire 83 connects the coil 7 of the third core portion 63 and the coil 7 of the sixth core portion 66, which are separated by three in the circumferential direction Z.
  • the fourth connecting wire 84 connects the coil 7 of the fourth core portion 64 and the coil 7 of the seventh core portion 67.
  • the fifth crossover 85 connects the coil 7 of the fifth core portion 65 and the coil 7 of the eighth core portion 68 that are separated by three in the circumferential direction Z.
  • the sixth connecting wire 86 connects the coil 7 of the sixth core portion 66 and the coil 7 of the ninth core portion 69, which are separated by three in the circumferential direction Z. As described above, when it is not necessary to describe each part of the connecting wire 8, the connecting wire 8 will be generically described.
  • the rotating electric machine 10 is arranged such that the stator 100 shown above and a rotor arranged opposite to each other with a predetermined air gap (gap) 107 provided inside X2 in the radial direction X of the stator 100. 102, and a housing 101 for fixing the rotor 102 and the stator 100.
  • the rotor 102 is rotatably held by fitting shafts 104 to inner rings of bearings 103 provided at both ends of the housing 101 in the axial direction Y.
  • a permanent magnet 105 is embedded in a V shape in a rotor core 106 fixed to the outer circumference of the shaft 104.
  • the present invention is not limited to this and may be arranged in a linear shape or another shape.
  • the permanent magnet 105 is formed by being embedded is shown, the present invention is not limited to this, and the permanent magnet 105 is attached to the outer peripheral surface of the outer side X1 in the radial direction X of the rotor core 106 so as to face the stator 100. You may. Note that the number of magnetic poles generated by the permanent magnet 105 is not limited to six as shown in FIG. 22, and may be set appropriately according to the number of teeth 12 of the stator 100.
  • the flowchart of the method of manufacturing the rotating electric machine of the first embodiment shown in FIG. 24 is used. explain. First, the pre-process of the coil forming process will be described. The magnetic steel plate is punched out to form the core plate 6 as shown in FIG. Then, a plurality of the formed core plates 6 are laminated in the axial direction Y and are connected by the connecting portion 111 of the yoke portion 11 to form the stator core 1 (step ST1 in FIG. 24). Next, the upper reel 2 and the lower reel 3 are formed by, for example, injection molding of an insulating resin.
  • the first leg portion 22 of the upper winding frame 2 and the second leg portion 32 of the lower winding frame 3 are inserted and fitted into the slots 14 from both ends of the stator core 1 in the axial direction Y, and the upper winding frame 2 and the lower winding frame 3 are attached. It is attached to the stator core 1 (step ST2 in FIG. 24).
  • step ST3 in FIG. 24 the step of forming the coil 7 (step ST3 in FIG. 24) will be described with reference to the flowchart of the method for manufacturing a rotary electric machine in FIG.
  • the first coil wire 71 is introduced from the outer side X1 to the inner side X2 in the radial direction X by using the introduction groove portion 95 of the first core portion 61.
  • the introduction groove 95 has the inclined surface 950, the coil wire 70 can be introduced easily and easily. Note that this is the same for the introduction using the introduction groove portion 95 of the coil wire 70 in other places, and therefore the description thereof will be appropriately omitted.
  • the second coil wire 72 and the third coil wire 73 are introduced from the outer side X1 in the radial direction X to the inner side X2 by using the introduction groove portions 95 of the second core portion 62 and the third core portion 63, respectively. To do. Then, as shown in FIG. 13, by using the three winding nozzles 51, 52, 53, the first core portion 61, the second core portion 62, and the third core portion 63 are provided with first teeth 12 respectively.
  • the coil wire 71, the second coil wire 72, and the third coil wire 73 are wound at the same time as arrows 511, 521, and 531 (however, FIG. 11 shows the seventh core portion 67, the eighth core portion 68, and the ninth core portion 68). An example of winding around the core portion 69 is shown).
  • the first coil wire 71, the second coil wire 72, and the third coil wire 73 are formed.
  • the lead-out groove portions 96 of the first core portion 61, the second core portion 62, and the third core portion 63 are held so as to prevent loosening, and lead out from the inner side X2 in the radial direction X to the outer side X1 (FIG. 14, Step ST31 of FIG. 25).
  • it is determined whether or not the coil wire 70 is wound around all the core portions 60 step ST32 in FIG. 25. Then, here, the answer is NO, and the process moves to the next step.
  • the first coil wire 71 is placed on the fourth core portion 64 and the second coil wire 72 is placed on the fourth core portion 64.
  • the third coil wire 73 is moved to the respective positions of the sixth core portion 66 in the fifth core portion 65 (step ST33 in FIG. 25).
  • the nozzle unit having the winding nozzles 51, 52, 53 is rotated once in the direction of arrow F shown in FIG. Form a line. That is, the winding nozzle 51 operates on the track G, the winding nozzle 52 operates on the track H, and the winding nozzle 53 operates on the track I.
  • the entire winding nozzle 51 is located outside the first protrusion 21 in the radial direction X so that the winding nozzle 51 does not interfere with all of the first core portion 61 to the ninth core portion 69. It is located at X1.
  • the winding nozzle 51 can be arranged closer to the core portion 60 than the connecting wire extending from the winding nozzle 52 and the winding nozzle 53, and the winding nozzle 52 is closer to the core portion 60 side than the connecting wire extending from the winding nozzle 53. Can be placed in Therefore, it is possible to prevent the winding nozzle 51 from interfering (crossing) with the connecting wire extending from the winding nozzle 52 and the winding nozzle 53, and the winding nozzle 52 interfering (crossing) with the connecting wire extending from the winding nozzle 53.
  • the first connecting wire 81 that connects the coil 7 of the first core portion 61 and the coil 7 of the fourth core portion 64 is held in the first groove portion 91 of the first core portion 61 from the lead-out groove portion 96, and is arranged in the circumferential direction.
  • the fourth core portions 64 are held in the four fourth groove portions 94, and are introduced from the outer side X1 to the inner side X2 of the fourth core portion 64 in the radial direction X from the introduction groove portions 95 connected to the fourth groove portions 94 (step ST31 in FIG. 25).
  • the second connecting wire 82 connecting the coil 7 of the second core portion 62 and the coil 7 of the fifth core portion 65 is held in the first groove portion 91 of the second core portion 62 from the lead-out groove portion 96,
  • the fifth core portion 65 is introduced from the outer side X1 in the radial direction X to the inner side X2.
  • the third connecting wire 83 that connects the coil 7 of the third core portion 63 and the coil 7 of the sixth core portion 66 is held in the first groove portion 91 of the third core portion 63 from the lead-out groove portion 96, and A sixth core which is held in the second groove portion 92 of the fourth core portion 64 which is connected in the direction Z, is further held in the third groove portion 93 of the fifth core portion 65 which is connected in the circumferential direction Z, and which is further connected in the circumferential direction Z. It is held in the fourth groove portion 94 of the portion 66, and is introduced from the outside X1 in the radial direction X of the sixth core portion 66 to the inside X2 from the introduction groove portion 95 connected to the fourth groove portion 94.
  • each of the fourth core portion 64, the fifth core portion 65, and the sixth core portion 66 is formed by using the three winding nozzles 51, 52, and 53.
  • the first coil wire 71, the second coil wire 72, and the third coil wire 73 are simultaneously wound around the tooth 12 as indicated by arrows 511, 521, and 531.
  • the first coil wire 71, the second coil wire 72, and the third coil wire 73 are formed.
  • the lead-out groove portions 96 of the fourth core portion 64, the fifth core portion 65, and the sixth core portion 66 are held so as to prevent loosening, and lead out from the inner side X2 in the radial direction X to the outer side X1.
  • the first coil wire 71 is placed on the seventh core portion 67
  • the second coil wire 72 is placed on the eighth core portion 67.
  • the third coil wire 73 is moved to the respective positions of the ninth core portion 69 by the core portion 68.
  • the nozzle unit having the winding nozzles 51, 52 and 53 is rotated once in the direction of arrow F shown in FIG. 14 as in the case of the first crossover process described above.
  • the crossover processing is performed while making it.
  • the fourth connecting wire 84 that connects the coil 7 of the fourth core portion 64 and the coil 7 of the seventh core portion 67 is held in the first groove portion 91 of the fourth core portion 64 from the lead-out groove portion 96, and is arranged in the circumferential direction.
  • the seventh core portion which is held in the second groove portion 92 of the fifth core portion 65 which is connected to Z, is further held in the third groove portion 93 of the sixth core portion 66 which is connected to the circumferential direction Z, and is further connected to the circumferential direction Z.
  • the groove 67 is held in the fourth groove portion 67 and is introduced from the outside groove portion 95 connected to the fourth groove portion 94 to the inside portion X2 from the outside portion X1 in the radial direction X of the seventh core portion 67.
  • the fifth connecting wire 85 connecting the coil 7 of the fifth core portion 65 and the coil 7 of the eighth core portion 68 is held in the first groove portion 91 of the fifth core portion 65 from the lead-out groove portion 96,
  • the eighth groove which is held in the second groove portion 92 of the sixth core portion 66 connected in the circumferential direction Z, is held in the third groove portion 93 of the seventh core portion 67 connected in the circumferential direction Z, and is further connected in the circumferential direction Z. It is held in the fourth groove portion 94 of the core portion 68, and is introduced from the outside X1 in the radial direction X of the eighth core portion 68 to the inside X2 from the introduction groove portion 95 connected to the fourth groove portion 94.
  • the sixth connecting wire 86 connecting the coil 7 of the sixth core portion 66 and the coil 7 of the ninth core portion 69 is held from the lead-out groove portion 96 to the first groove portion 91 of the sixth core portion 66, and
  • the fourth groove portion 94 of the portion 69 holds the fourth groove portion 94, and the introduction groove portion 95 connected to the fourth groove portion 94 introduces the ninth core portion 69 from the outer side X1 in the radial direction X to the inner side X2.
  • the first coil wire 71, the second coil wire 72, and the third coil wire 73 are simultaneously wound around the tooth 12 as indicated by arrows 511, 521, and 531.
  • the first coil wire 71, the The second coil wire 72 and the third coil wire 73 are cut to form a first winding end wire 712, a second winding end wire 722, and a third winding end wire 732 (step ST34 in FIGS. 15 and 25). Then, the winding end lines 712, 722, and 732 are collectively caulked to form the neutral point 700 of the star connection (FIG. 1).
  • wire connection processing such as brazing or soldering may be used.
  • the first coil wire 71 thus formed is a continuous wire without being cut, and the first winding start wire 711, the coil 7 of the first core portion 61, the first crossover wire 81, and the coil of the fourth core portion 64 are formed. 7, the fourth connecting wire 84, the coil 7 of the seventh core portion 67, and the first winding end wire 712.
  • the second coil wire 72 is, as a continuous wire without being cut, a second winding start wire 721, a coil 7 of the second core portion 62, a second connecting wire 82, a coil 7 of the fifth core portion 65, and a fifth connecting wire. 85, the coil 7 of the eighth core portion 68, and the second winding end line 722.
  • the third coil wire 73 is a continuous wire without being cut, and is a third winding start wire 731, the coil 7 of the third core portion 63, the third connecting wire 83, the coil 7 of the sixth core portion 66, and the sixth connecting wire. 86, the coil 7 of the ninth core portion 69, and the third winding end line 732.
  • first winding start line 711, the second winding start line 721, and the third winding start line 731 need to be arranged on the inner side X2 of the stator 100 in the radial direction X when the stator 100 is formed into an annular shape. ..
  • the fourth groove portion 94 of the core portion 63 is not used to hold the connecting wire 8.
  • the first winding start line 711 of the first core portion 61 is held in the fourth groove portion 94 of the first core portion 61, and the third power supply groove portion 99 communicating with the fourth groove portion 94 is used.
  • the second winding start line 721 of the second core portion 62 is held in the fourth groove portion 94 of the second core portion 62 and held in the third groove portion 93 of the first core portion 61 adjacent in the circumferential direction Z,
  • the second power supply groove portion 98 communicating with the third groove portion 93 is used to introduce from the outer side X1 to the inner side X2 in the radial direction X.
  • the third winding start line 731 of the third core portion 63 is held in the fourth groove portion 94 of the third core portion 63 and held in the third groove portion 93 of the second core portion 62 adjacent in the circumferential direction Z, Further, by using the first power supply groove portion 97 which is held in the second groove portion 92 of the first core portion 61 adjacent to the circumferential direction Z and communicates with the second groove portion 92, it is introduced from the outer side X1 to the inner side X2 in the radial direction X. To do.
  • Each power supply line 713, 723, 733 is covered with an insulating tube on the inner side X2 in the radial direction X to maintain insulation and perform wiring processing.
  • the stator core 1 is formed into an annular shape, and the ends of the stator core 1 are fixed by welding or the like.
  • the stator 100 is formed (step ST4 in FIG. 24).
  • the outer peripheral surface of the outer side X1 of the stator 100 in the radial direction X is fixed to the inner peripheral surface of the inner side X2 of the housing 101 in the radial direction X (step ST5 in FIG. 24).
  • the rotor 102 is rotatably supported by the housing 101 by the bearing 103, and the rotor 102 is arranged to face the stator 100 via the air gap 107 (step ST6 in FIG. 24).
  • the rotary electric machine 10 is formed by these steps.
  • the number of magnetic poles generated by the permanent magnet 105 is 6 poles as shown in FIG. 22, but the present invention is not limited to this, and the number of teeth 12 of the stator 100 is not limited to this.
  • the number may be according to the number.
  • UVWUVW In which a crossover wire is required for the teeth 12 separated by 2 teeth in the circumferential direction Z, when the number of teeth 12 is 3 ⁇ N (N is an integer of 2 or more), The number may be ((3 ⁇ 1) ⁇ N).
  • the number of teeth 12 is 9 ⁇ N (N is an integer of 1 or more)
  • the number of magnetic poles may be ((9 ⁇ 1) ⁇ N).
  • the number of the teeth 12 is 6 ⁇ N (N is an integer of 1 or more). In this case, the number of magnetic poles may be ((6 ⁇ 1) ⁇ N).
  • the method of forming the coil 7 by winding the coil wire 70 around the tooth 12 by linearly deforming the yoke portion 11 of the stator core 1 has been described, but the present invention is not limited to this.
  • a method a case will be described in which the yoke portion 11 of the stator core 1 is deformed into a reverse warp shape in which the direction in which the teeth protrude in the radial direction X is reversed using the connecting portion 111.
  • FIG. 16 is similar to the stator 100 of the first embodiment except that the stator 100 of the first embodiment has a different winding method.
  • the winding machine 400 has a hexagonal chuck mechanism 40.
  • the chuck mechanism 40 has chucks 41, 42, 43, 44, 45 and 46.
  • Winding nozzles 54, 55, 56 for winding the coil wire 70 are installed at positions of the chuck mechanism 40 facing the chucks 41, 42, 43.
  • Each winding nozzle 54, 55, 56 is rotated by the rotating shaft T, the rotating shaft M, and the rotating shaft N to wind the coil wire 70 around each tooth 12.
  • FIG. 16 shows the axial direction Y in reverse. That is, FIG. 16 is a diagram showing a state in which the lower reel 3 of the core portion 60 is visible.
  • the first core portion 61, the second core portion 62, and the third core portion 63 are fixed to the chuck 41, the chuck 42, and the chuck 43, respectively.
  • the winding nozzles 54, 55, 56 are rotated by the rotating shafts T, M, N, and the coil wire 70 is wound around each tooth 12 to form the coil 7.
  • the winding nozzles 54, 55, 56 are moved up and down and the chuck mechanism 40 is rotated, so that the crossover wire 8 has a predetermined core as in the case shown above. Part 60 is passed.
  • the chuck mechanism 40 rotates at a pitch of 60°.
  • the fourth core portion 64 moves to the position of the chuck 41 to which the first core portion 61 was fixed during the first winding by repeating the rotation of 60° pitch three times.
  • the other core portions 60 also move at the same time.
  • the stator core 1 is not fixed to the position of the chuck 45 because it is discharged from the position of the chuck 46.
  • the coil 7 by winding the coil wire 70 around the teeth 12 while ensuring a wide space between the teeth 12 adjacent to each other in the circumferential direction Z. That is, as shown in FIG. 16, the rotary shafts T, M, N of the winding nozzles 54, 55, 56 can always be wound toward the teeth 12 side. Therefore, the coil wire 70 can be wound around the tooth 12 at high speed, and the winding cycle time can be shortened.
  • the method for manufacturing the stator of the rotary electric machine shown in the first embodiment can be similarly applied to the following embodiments, and the description thereof will be omitted as appropriate.
  • a stator core having a yoke portion arranged in an annular shape and a plurality of teeth formed on the inner peripheral surface of the inside of the yoke portion in the radial direction and protruding inward in the radial direction at predetermined intervals in the circumferential direction. And a coil formed by winding a coil wire around each of the plurality of teeth, and a stator disposed between the stator core and an insulating portion that insulates the stator core from the stator of a rotating electric machine.
  • the insulating part has a first projecting part projecting from one side in the axial direction from the stator core, and a groove part having a plurality of steps in the axial direction on an outer peripheral surface on the outer side in the radial direction of the first projecting part. Then
  • the winding start line of the coil wire, the winding end line, and all of the connecting wires connecting the coils of the different teeth are installed in the first protruding portion of the insulating portion in the same direction in the axial direction,
  • the winding start line is continuous with the groove portion formed on the first protruding portion of the insulating portion on the side closest to the stator core in the axial direction, and has a diameter from the outer side in the radial direction of the first protruding portion.
  • the crossover wire is a continuous wire obliquely arranged from the side opposite to the stator core in the axial direction of the insulating portion toward the stator core side in the axial direction while crossing between the different teeth, and is held in the groove portion.
  • the stator is provided with a rotor arranged to face each other via an air gap
  • the manufacturing method of the rotating electric machine Since the rotor is arranged to face the stator manufactured by the method for manufacturing the stator of the rotating electric machine described above through the air gap, Interference of the crossovers can be prevented, the number of connecting members can be reduced, and the manufacturing time can be shortened to improve the productivity.
  • the groove portion is formed to be inclined in the axial direction, Due to the inclination of the groove, interference of the crossover wire of the stator core can be reliably prevented.
  • the groove portion of the first protruding portion of the insulating portion is formed in four steps of a first groove portion, a second groove portion, a third groove portion, a fourth groove portion from the side away from the stator core in the axial direction,
  • the crossover connects the coils of the teeth that are three apart in the circumferential direction, and the first protrusion that sequentially adjoins in the circumferential direction from the first groove portion to the teeth that are three apart in the circumferential direction.
  • the crossover wire of the other phase does not interfere with the winding start wire of the coil wire. It is possible to obtain a stator in which pulsation and vibration can be prevented and electric characteristics are stable while suppressing the above.
  • the first protruding portion of the insulating portion is continuous with the groove portion on the side closest to the stator core in the axial direction, and communicates from the outer side in the radial direction of the first protruding portion to the inner side in the radial direction. Since it has an introduction groove portion that is formed and holds the coil wire, The coil wire can be easily guided to the tooth side.
  • the first protruding portion of the insulating portion is continuous with the groove portion on the side farthest from the stator core in the axial direction, and is continuous from the inner side in the radial direction of the first protruding portion to the outer side in the radial direction. Since it has a lead-out groove portion that is formed by holding the crossover wire, The connecting wire can be easily guided to the place where the groove portion of the first protrusion is formed.
  • the first protruding portion of the insulating portion has a diameter from an outer side in the radial direction of the first protruding portion at one end in the circumferential direction of the groove portion other than the groove portion farthest from the stator core in the axial direction. Since it has a power supply groove portion that is formed continuously inside the direction and holds the coil wire, The coil wire can be easily guided inward in the radial direction of the stator core.
  • the yoke portion is formed so as to be deformable into a linear shape or a reverse warp shape in which the direction in which the teeth protrude in the radial direction is reversed, It is possible to easily wind the coil wire around the teeth of the stator core.
  • the yoke portion of the stator core is linearly deformed, and the three coil wires are simultaneously wound by three winding nozzles in a track along the shape of the three teeth that are continuous in the circumferential direction, to form three coil wires.
  • the three coil wires are respectively held as the connecting wires in the groove portions of the first protrusions of the three teeth, and the three coil wires are circumferentially separated from each other. I'll move to the teeth, A coil can be formed by winding a continuous coil wire around three teeth continuous in the circumferential direction. As a result, it is possible to reduce the number of wiring members and suppress the product cost.
  • the number of teeth which is the number of core portions, may be 3 ⁇ N (N is an integer of 2 or more).
  • the yoke portion of the stator core is deformed into an inverted warp shape, and the three coil wires are simultaneously wound by three winding nozzles in a track along the shape of the three teeth that are continuous in the circumferential direction.
  • the three coil wires are respectively retained as the connecting wires in the groove portions of the first protrusions of the three teeth, and are separated in the circumferential direction by three.
  • a coil can be formed by winding a continuous coil wire at high speed on three teeth that are continuous in the circumferential direction. As a result, it is possible to reduce the number of wiring members and suppress the product cost.
  • FIG. 17 is a perspective view showing a state in which the yoke portion 11 of the stator core 1 is linearly deformed in the stator of the rotating electric machine according to the second embodiment, and the upper winding frame 20, the lower winding frame 30, and the film portion 230 as insulating portions are mounted. is there.
  • 18 is an exploded perspective view showing a state before the upper winding frame 20, the lower winding frame 30, and the film portion 230 are attached to the stator core 1 on the stator shown in FIG.
  • FIG. 19 is a perspective view showing the structure of the film unit 230 shown in FIG. 20 is a perspective view showing the structure of the upper reel 20 shown in FIG.
  • FIG. 21 is a perspective view showing the structure of the lower reel 30 shown in FIG.
  • the same parts as those in the above-mentioned first embodiment are designated by the same reference numerals and the description thereof will be omitted.
  • the stator 100 according to the second embodiment is different in the configurations of the upper winding frame 2 and the lower winding frame 3 as insulating portions that insulate the stator core 1 and the coil 7 described in the first embodiment.
  • the insulating portion for insulating the stator core 1 and the coil 7 is composed of the upper reel 20, the lower reel 30, and the film portion 230.
  • the upper bobbin 20 and the lower bobbin 30 have the first projecting portion 21 of the upper bobbin 2 and the second projecting portion 31 of the lower bobbin 3 in the first embodiment, and have the first leg 22 and the second leg 32. It is a configuration that does not have.
  • the first projecting portion 21 is provided with claw portions 211, 212, 213 and 214 for fixing the film portion 230 described later.
  • the second protrusion 31 includes claws 311, 312, 313, and 314 for fixing the film part 230.
  • the lower reel 30 is provided with a convex portion 315.
  • the stator core 1 includes second recesses 115 formed in the teeth 12 in the axial direction Y.
  • the convex portion 315 of the lower reel 30 is fitted and installed in the second concave portion 115 of the stator core 1.
  • the film portion 230 is formed of a thin film material having an insulating property, and for example, a film material having a thickness of 0.125 mm may be used. Then, the film material is formed by making a crease in a shape as shown in FIG. Due to this fold, the film portion 230 is a first side surface 231 that covers the inner peripheral surface 112 that is a side surface in the axial direction Y of the inner side X2 of the yoke portion 11 in the radial direction X, and a side surface in the axial direction Y of the tooth 12.
  • the one side surface 121 and the second side surface 232 that covers the second side surface 131, and the third side surface 233 that is the side surface in the axial direction Y of the tooth 12 and that covers the tip end surface 122 are provided. Further, when the film portion 230 is mounted on the stator core 1, the film portion 230 is connected to the first protruding portion 21 and the second protruding portion 31 in the axial direction Y. The film portion 230 is continuously formed corresponding to all the core portions 61 to 69 of the stator core 1.
  • connection in the axial direction Y with respect to the first protruding portion 21 of the upper winding frame 20 of the film portion 230 and the second protruding portion 31 of the lower winding frame 30 is, specifically, at both ends of the film portion 230 in the axial direction Y of the stator core 1. It is formed to be longer than the length in the axial direction Y. Then, the portions of the film portion 230 that are formed longer than both ends in the axial direction Y of the stator core 1 become the claw portions 212, 212, 213, 214 of the upper reel 20 and the claw portions 311, 312, 313, 314 of the lower reel 30. Each is fixed. It should be noted that the other configurations and the method for manufacturing the stator of the rotary electric machine are the same as those in the first embodiment.
  • the stator of the rotating electric machine according to the second embodiment configured as described above is
  • the insulating portion is a second protruding portion protruding from the other side in the axial direction from the stator core, Since the first protrusion and the second protrusion are axially connected to each other, a film portion that covers the axial side surface of the tooth and the radially inner axial side surface of the yoke portion is provided.
  • the insulating portion can be configured by the thin film portion, and the same effect as that of the first embodiment can be obtained.
  • stator core 10 rotating electric machine, 11 yoke part, 12 teeth, 13 shoe part, 100 stator, 101 housing, 102 rotor, 103 bearing, 104 shaft, 105 permanent magnet, 106 rotor core, 107 air gap, 111 connecting part, 112 inside Peripheral surface, 113 outer peripheral surface, 114 first recessed portion, 115 second recessed portion, 121 first side surface, 122 tip surface, 131 second side surface, 14 slot, 2 upper reel, 20 upper reel, 201 outer peripheral surface, 202 inner peripheral surface , 21 first protruding part, 211 claw part, 212 claw part, 213 claw part, 214 claw part, 22 first leg part, 230 film part, 3 lower reel, 30 lower reel, 31 second protruding part, 311 claw part 312 claw part, 313 claw part, 314 claw part, 315 convex part, 32 second leg part, 40 chuck mechanism, 400 winding machine, 41 chuck, 42 chuck, 43 chuck, 44 chuck, 45 chuck, 46 chuck,

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Windings For Motors And Generators (AREA)

Abstract

La présente invention comprend : un noyau de stator (1) doté d'une pluralité de dents (12) ayant un espace prescrit entre elles dans la direction circonférentielle (Z) d'une partie de culasse (11) ; une bobine (7) formée par enroulement d'une bobine de fil (70) autour de chacune des dents (12) ; et un cadre d'enroulement supérieur (2) disposé entre le noyau de stator (1) et la bobine (7) et isolant ces derniers. Le cadre d'enroulement supérieur (2) a une première saillie (21) faisant saillie à partir du noyau de stator (1) d'un côté d'une direction axiale (Y) et a une rainure (9) composée de multiples étages dans la direction axiale (Y) sur une surface circonférentielle externe (201) sur l'extérieur (X1) dans une direction radiale (X) de la première saillie, un croisement (8) permettant de relier les bobines (7) de différentes dents (12) les unes aux autres étant un fil continu et étant maintenu dans la rainure (9).
PCT/JP2019/049126 2019-02-27 2019-12-16 Stator de machine dynamo-électrique, machine dynamo-électrique, procédé de fabrication de stator de machine dynamo-électrique, et procédé de fabrication de machine dynamo-électrique WO2020174817A1 (fr)

Priority Applications (2)

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JP2021501610A JP7038894B2 (ja) 2019-02-27 2019-12-16 回転電機のステータ、回転電機、回転電機のステータの製造方法、および、回転電機の製造方法
CN201980085353.7A CN113454880A (zh) 2019-02-27 2019-12-16 旋转电机的定子、旋转电机、旋转电机的定子的制造方法及旋转电机的制造方法

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US20220014063A1 (en) * 2020-07-13 2022-01-13 Minebea Mitsumi Inc. Rotary electric machine
WO2023149252A1 (fr) * 2022-02-02 2023-08-10 三菱電機株式会社 Stator de machine électrique tournante, machine électrique tournante, procédé de fabrication de stator de machine électrique tournante et procédé de fabrication de machine électrique tournante
WO2023162357A1 (fr) * 2022-02-28 2023-08-31 三菱電機株式会社 Stator d'une machine dynamo-électrique et procédé de fabrication d'un stator d'une machine dynamo-électrique

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JP2008167604A (ja) * 2006-12-28 2008-07-17 Ichinomiya Denki:Kk インナーロータ型モールドブラシレスモータのステータ
JP2010110048A (ja) * 2008-10-28 2010-05-13 Asmo Co Ltd インシュレータ、ステータ及びステータの製造方法
JP2011103705A (ja) * 2009-11-10 2011-05-26 Mitsubishi Electric Corp 回転電機のステータおよびその製造方法
JP2014128049A (ja) * 2012-12-25 2014-07-07 Mitsubishi Electric Corp 電動機用固定子及び電動機用固定子の製造方法

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Publication number Priority date Publication date Assignee Title
JP2008167604A (ja) * 2006-12-28 2008-07-17 Ichinomiya Denki:Kk インナーロータ型モールドブラシレスモータのステータ
JP2010110048A (ja) * 2008-10-28 2010-05-13 Asmo Co Ltd インシュレータ、ステータ及びステータの製造方法
JP2011103705A (ja) * 2009-11-10 2011-05-26 Mitsubishi Electric Corp 回転電機のステータおよびその製造方法
JP2014128049A (ja) * 2012-12-25 2014-07-07 Mitsubishi Electric Corp 電動機用固定子及び電動機用固定子の製造方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220014063A1 (en) * 2020-07-13 2022-01-13 Minebea Mitsumi Inc. Rotary electric machine
US11870313B2 (en) * 2020-07-13 2024-01-09 Minebea Mitsumi Inc. Rotary electric machine
WO2023149252A1 (fr) * 2022-02-02 2023-08-10 三菱電機株式会社 Stator de machine électrique tournante, machine électrique tournante, procédé de fabrication de stator de machine électrique tournante et procédé de fabrication de machine électrique tournante
WO2023162357A1 (fr) * 2022-02-28 2023-08-31 三菱電機株式会社 Stator d'une machine dynamo-électrique et procédé de fabrication d'un stator d'une machine dynamo-électrique

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