WO2023276633A1 - コイル線モジュール、はんだ一体はんだ接合部品及びコイル線モジュールの製造方法 - Google Patents

コイル線モジュール、はんだ一体はんだ接合部品及びコイル線モジュールの製造方法 Download PDF

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Publication number
WO2023276633A1
WO2023276633A1 PCT/JP2022/023614 JP2022023614W WO2023276633A1 WO 2023276633 A1 WO2023276633 A1 WO 2023276633A1 JP 2022023614 W JP2022023614 W JP 2022023614W WO 2023276633 A1 WO2023276633 A1 WO 2023276633A1
Authority
WO
WIPO (PCT)
Prior art keywords
solder
recess
coil wire
connection ends
wire module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/023614
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
智貴 阿部
大輔 橋本
正晴 末谷
健太郎 舘
康 田村
幹三 石原
慎太郎 森野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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 Sumitomo Wiring Systems Ltd, AutoNetworks Technologies Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Wiring Systems Ltd
Priority to US18/574,962 priority Critical patent/US20240348121A1/en
Priority to CN202280042144.6A priority patent/CN117480709A/zh
Publication of WO2023276633A1 publication Critical patent/WO2023276633A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/30—Manufacture of winding connections
    • H02K15/33—Connecting winding sections; Forming leads; Connecting leads to terminals
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/30—Manufacture of winding connections
    • H02K15/33—Connecting winding sections; Forming leads; Connecting leads to terminals
    • H02K15/35—Form-wound windings
    • 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
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/09—Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations

Definitions

  • the present disclosure relates to coil wire modules.
  • Patent Document 1 discloses that the busbar and the rectangular conductor are welded by TIG (Tungsten Inert Gas) while the connection end of the rectangular conductor is inserted into a notch formed in the busbar. Thereby, a plurality of rectangular conductors of the armature are connected via the busbars.
  • TIG Torsten Inert Gas
  • the connecting end of the rectangular conductor wire is inserted into the notch of the busbar, and the busbar and the rectangular conductor wire are TIG-welded, which complicates the connection work.
  • an object of the present disclosure is to facilitate connection between coil wires.
  • a coil wire module is a coil wire module for a rotating electrical machine, and includes a plurality of coil wires provided in a core of the rotating electrical machine and a solder hardening section, each of the plurality of coil wires:
  • the solder hardening part has connecting ends exposed from the ends of the core, and the solder curing part is configured such that the solder is applied while at least two of the connecting ends of the plurality of coil wires are inserted into the solder hardening space.
  • a coil wire module that is a hardened portion that melts in the solder hardening space to join at least two of the connection ends.
  • a solder-integrated solder-joint component of the present disclosure is a solder-integrated solder-joint component for joining at least two connection ends of a plurality of coil wires provided in a core in a rotating electric machine, wherein the at least two A solder-integrated solder-joint component comprising a recess into which two connecting ends can be inserted, and solder arranged in the recess.
  • a solder-integrated solder joint component having solder arranged in recesses is prepared, and at least two connection ends of a plurality of coil wires provided in a core of a rotating electric machine are connected.
  • the method of manufacturing a coil wire module includes inserting a portion into the recess, melting the solder in the recess by heating, and soldering and connecting the at least two connection ends in the recess.
  • coil wires can be easily connected to each other.
  • FIG. 1 is a schematic perspective view showing a motor according to Embodiment 1.
  • FIG. FIG. 2 is a perspective view showing a connecting portion between two connecting ends.
  • FIG. 3 is a partial cross-sectional view taken along line III--III of FIG.
  • FIG. 4 is an exploded perspective view showing a coil wire module.
  • FIG. 5 is a perspective view of the solder joint component viewed from the coil wire side.
  • FIG. 6 is a diagram showing a state in which the connection end is inserted into the recess.
  • the coil wire module of the present disclosure is as follows.
  • a coil wire module for a rotating electrical machine comprising: a plurality of coil wires provided in a core of the rotating electrical machine; and the solder hardening part has a solder hardening space in which at least two of the connection ends of the plurality of coil wires are inserted into the solder hardening space.
  • a coil wire module that is a hardened portion that melts in and joins at least two of said connection ends.
  • connection ends are connected by hardening the solder in the solder curing space to bond and harden at least two of the connection ends. Therefore, the coil wires can be easily connected to each other.
  • connection ends are joined within said recess.
  • solder joint component having a recess into which a combination of at least two of the connection ends of the plurality of coil wires can be inserted, wherein the solder hardened part is , at least two of said connecting ends may be joined within said recess.
  • a plurality of combinations of the at least two connection ends are arranged at intervals along the circumferential direction of the core, and the recess is formed in the solder joint part. may be formed corresponding to each of the plurality of combinations of the at least two connection ends.
  • the plurality of combinations of the at least two connection ends are collectively inserted into the recesses. .
  • the solder joint part may include a cap having the recess formed therein and a holder having a set recess capable of holding the cap. good.
  • the cap can be easily configured to be suitable for soldering.
  • the cap metal it is easier to form the recesses with a precision suitable for inserting and holding the at least two connection ends.
  • the solder hardened portion is positioned between the tip surfaces of the at least two connection ends and the innermost portion of the recess. It may contain a part that Thereby, the at least two connection ends can be connected by the solder hardened portion including the portion located at the innermost portion of the recess.
  • solder-integrated solder joint component of the present disclosure is as follows.
  • a solder-integrated solder joint component for joining at least two connection ends of a plurality of coil wires provided in a core in a rotating electrical machine, the recess into which the at least two connection ends can be inserted. and solder disposed within the recess.
  • solder-integrated solder-joint component at least two connection ends of the plurality of coil wires are inserted into the recesses, and in this state, the solder in the recesses is heated and melted to melt the at least two connection ends.
  • the parts can be easily joined by soldering.
  • the method for manufacturing the coil wire module of the present disclosure is as follows.
  • solder-integrated solder joint component in which solder is arranged in a recess, inserting at least two connection ends of a plurality of coil wires provided in a core of a rotating electric machine into the recess;
  • the solder in the recess is melted by heating, and the at least two connection ends are connected by soldering in the recess.
  • connection ends are easily soldered and connected in the recess.
  • a method of manufacturing a coil wire module, a solder joint component, and a coil wire module according to embodiments will be described below.
  • a coil wire module in a rotating electric machine is a portion where coil wires in the rotating electric machine are connected to each other.
  • FIG. 1 is a schematic perspective view showing a motor 10.
  • the motor 10 includes a stator 12 and a rotor 20.
  • Motor 10 is, for example, a three-phase motor.
  • the rotor 20 is configured to rotate around the rotation axis X within the stator 12 .
  • the rotating electric machine may be a generator instead of the electric motor such as the motor 10 .
  • the stator 12 is an armature and includes a stator core 14 and multiple coil wires 16 .
  • Stator core 14 includes a plurality of teeth. A plurality of teeth are provided so as to surround the rotation axis X. Around the rotation axis X, gaps are provided between the plurality of teeth.
  • a plurality of coil wires 16 are provided on the stator core 14 .
  • Coil wire 16 includes a straight portion 16 ⁇ /b>B arranged between a plurality of teeth so as to extend in a direction parallel to rotation axis X, and a connection end portion 17 exposed from an end portion of stator core 14 .
  • At least two connection end portions 17 are connected to each other outside the stator core 14 in the axial direction so as to form a coil having one or more teeth as a core.
  • FIG. 1 illustrates how a plurality of sets of two connection ends 17 are connected above the stator core 14 .
  • At least two connection ends may be connected to each other below the stator core 14 in FIG.
  • At least two coil wires 16 on both ends of the stator core 14 need not be connected by the same configuration.
  • two coil wires may be integrally formed to be directly connected.
  • the two coil wires may be connected via a bus bar or the like formed of a metal plate material or the like.
  • a coil that generates a magnetic field for rotating the rotor 20 can be formed.
  • the coil wire 16 provided in the stator 12 may be wound in the form of distributed winding or in the form of concentrated winding.
  • the rotor 20 includes permanent magnets and is rotatably provided within the stator 12 .
  • the rotor 20 rotates about the rotation axis X by the magnetic field generated by the stator 12 .
  • a main body case 22 is provided so as to surround the periphery of the stator 12 and the other end side.
  • a cover 26 is provided to cover one end side of the stator 12 .
  • Some ends of the plurality of coil wires 16 are drawn out from one end of the stator 12 and used as ends connected to an external power source. Another part of the plurality of coil wires 16 is drawn out from one end of the stator 12 and used as an end for connection at the neutral point.
  • FIG. 2 is a perspective view showing a connecting portion between two connecting ends 17.
  • FIG. 3 is a partial cross-sectional view taken along line III--III of FIG. 4 is an exploded perspective view showing the coil wire module 28.
  • a coil wire module 28 in a rotating electrical machine includes the plurality of coil wires 16 and a solder hardening portion 40 .
  • the coil wire module 28 further comprises a solder joint component 30 having a recess 38 .
  • the solder hardened portion 40 connects at least two coil wires 16 within the recess 38 . Each part will be described more specifically.
  • the coil wire 16 is formed of, for example, a rectangular conductor whose cross section (cross section on a plane perpendicular to the extending direction) is long in one direction. Corners may be rounded.
  • the coil wire 16 is made of metal such as copper or copper alloy.
  • the coil wire 16 includes straight portions 16B and connection ends 17 . Straight portions 16B are arranged in grooves between teeth in stator core 14 .
  • the linear portion 16B is formed in a linear shape extending along the rotation axis X direction.
  • connection end 17 is exposed from the end of the stator core 14 and extends toward another connection end 17 to be connected.
  • the coil wires 16 at different positions along the circumferential direction of a circle centered on the rotation axis X are connected to each other. Therefore, the connection end portion 17 of one of the two coil wires 16 connected to each other becomes a connection destination along the circumferential direction as it extends from the end portion of the stator core 14 .
  • the inclined portion 17a extends in a direction intersecting the rotation axis X. As shown in FIG.
  • a straight end portion 17b extending along the rotation axis X toward the side opposite to the stator core 14 is provided at the tip of the inclined portion 17a.
  • connection end portion 17 of the other coil wire 16 of the two coil wires 16 connected to each other extends from the end portion of the stator core 14 and becomes the connection destination along the circumferential direction.
  • a straight end portion 17b extending along the rotation axis X toward the side opposite to the stator core 14 is provided at the tip of the inclined portion 17a.
  • the distal end portion of the inclined portion 17a and the straight end portion 17b are arranged at intermediate (here, central) positions between the two coil wires 16 in the circumferential direction.
  • the distal end portion of the inclined portion 17a and the linear end portion 17b of the two coil wires 16 can overlap in the radial direction of a circle centered on the rotation axis X.
  • the longitudinal direction of the cross section of the coil wire 16 may be along the tangential direction to the circumferential direction. In this case, the tip portion of the inclined portion 17a and the linear end portion 17b can contact over a large area.
  • An insulating film made of enamel or the like may be formed on the outer circumference of the straight portion 16B. A portion of the connecting end portion 17 that contacts the mating connecting end portion 17 is in a state where the conductor is exposed.
  • an insulating film made of enamel or the like is formed on the entire coil wire 16, and the insulating film may be removed only from the surface of the connecting end portion 17 that contacts the connecting end portion 17 on the other side.
  • the insulating coating may be removed from the entire circumference of the connecting end portion 17 .
  • connection end portions 17 are arranged along the circumferential direction of the stator core 14 at intervals.
  • a plurality of combinations of at least two connection ends 17 are arranged along a plurality of circumferences in the circumferential direction of the stator core 14 .
  • a plurality of combinations of at least two connecting ends 17 are arranged along two annular lines, an inner annular line and an outer annular line. Multiple combinations of at least two connecting ends 17 may be aligned along more than two annular lines.
  • At least two connecting end portions 17 lined up along the annular line on the inner peripheral side and at least two connecting end portions 17 lined up along the annular line on the outer peripheral side are provided at the same position in the circumferential direction of the stator core 14 .
  • the at least two connection ends 17 aligned along the inner circumferential annular line and the at least two connecting ends 17 aligned along the outer circumferential annular line are aligned along the radial direction of the stator core 14 . Lined up.
  • At least two connecting end portions 17 aligned along the inner circumferential side annular line and at least two connecting end portions 17 aligned along the outer circumferential side annular line are provided at different positions in the circumferential direction of the stator core 14 . good too.
  • at least two connecting end portions 17 aligned along the inner circumferential side annular line and at least two connecting end portions 17 aligned along the outer circumferential side annular line are alternately positioned in the circumferential direction of the stator core 14. may be provided as follows.
  • the solder hardening part 40 joins the at least two connection ends 17 by melting the solder in the solder hardening space S with at least two connection ends 17 inserted in the solder hardening space S. Hardened part. Therefore, the solder hardening portion 40 has the same shape as the inner peripheral surface and the back side surface of the recess 38 defining the solder hardening space S, or has a shape smaller than the shape.
  • solder hardening space S is a space formed within the recess 38 in the solder joint component 30 .
  • the solder joint component 30 will be described.
  • FIG. 5 is a perspective view of the solder joint component 30 viewed from the coil wire 16 side. Cap 36 and solder 40B are shown removed from holder 32 in FIG.
  • the solder joint component 30 has a recess 38 into which a combination of at least two connection ends 17 to be connected together can be inserted.
  • the recess 38 may be sized such that a combination of at least two connecting ends 17 can be press-fitted or inserted without play. That is, in the overlapping direction of the combination of at least two connecting ends 17 and in the direction perpendicular to the overlapping direction, the recess 38 has the same dimensions or smaller dimensions (press fittable) with respect to the combination of at least two connecting ends 17. (slightly smaller within a certain range). This makes it easier to keep the at least two connection ends 17 in contact with each other when the at least two connection ends 17 are inserted into the recesses 38 .
  • the at least two connecting end portions 17 are finally joined by the solder hardened portion 40, the at least two connecting end portions 17 are connected to the inner periphery of the recess 38 with a gap provided therebetween. It may be inserted into the recess 38 .
  • the solder hardening portion 40 joins at least two of the connection ends within the recess 38 .
  • the solder hardened portion 40 may include a portion 40 a positioned between the tip surfaces of at least two connection ends 17 and the innermost portion of the recess 38 .
  • the solder hardened portion 40 electrically connects the at least two connection ends 17 by joining the portion 40 a to the tip surfaces of the at least two connection ends 17 .
  • the solder hardened portion 40 may include a portion 40b interposed between at least two connecting ends 17. As shown in FIG. In this case, the solder hardened portion 40 electrically connects the at least two connection ends 17 by joining the portion 40 b to the facing surfaces of the at least two connection ends 17 .
  • the gap between at least two connection ends 17 is exaggerated in FIG. Actually, the gap between the connection ends 17 may be minute, or the gap may exist only partially in the portion where the connection ends 17 face each other.
  • the solder hardening part 40 can keep the at least two connection ends 17 from separating by being joined to the surfaces of the at least two connection ends 17 .
  • the solder cure 40 is able to keep at least two connection ends 17 mechanically joined.
  • the at least two connecting ends 17 are also kept together by being inserted into the recess 38 .
  • the solder joint component 30 is annularly formed along an annular line along which a plurality of combinations of at least two connection ends 17 are aligned.
  • the width of the solder joint component 30 in the radial direction of the stator core 14 is formed to be greater than the width encompassing the two annular lines.
  • a plurality of recesses 38 are formed in the solder joint component 30 corresponding to each of a plurality of combinations of at least two connection ends 17 . More specifically, a plurality of recesses 38 are arranged along the circumferential direction of stator core 14 at intervals. Further, the plurality of recesses 38 are arranged along the annular line on the outer peripheral side and the annular line on the inner peripheral side.
  • solder joint component 30 when the solder joint component 30 is brought closer toward the connection end portion 17 of the coil wire 16, a plurality of combinations of at least two connection end portions 17 can be inserted into the corresponding plurality of recesses 38 at once. It is not essential that a plurality of recesses 38 are formed in the solder joint component 30, and one recess may be formed in the solder joint component.
  • the solder joint component 30 also includes a cap 36 having a recess 38 formed therein and a holder 32 having a set recess 34 capable of holding the cap 36 .
  • the cap 36 is formed in a bottomed tubular shape with one axial side open and the other axial side closed.
  • the recess 38 is formed in the cap 36 .
  • the holder 32 is annularly formed along an annular line along which a plurality of combinations of at least two connecting ends 17 are arranged.
  • the width of the solder joint component 30 in the radial direction of the stator core 14 is formed to be greater than the width encompassing the two annular lines.
  • Setting recesses 34 are formed in the holder 32 at positions where the recesses 38 are to be formed, that is, at positions corresponding to each of a plurality of combinations of at least two connection end portions 17 .
  • the set recess 34 is a bottomed recess that opens on one side.
  • the set recess 34 may be a hole penetrating the holder 32 .
  • the inner peripheral surface of the setting recess 34 may be formed with a positioning protrusion or a step for positioning the cap 36 in its axial direction.
  • the inner peripheral surface of the set recess 34 is formed in a shape corresponding to the outer peripheral surface of the cap 36 . At least part of the cap 36 is accommodated in the setting recess 34 with the other closed end of the cap 36 positioned on the bottom side of the setting recess 34 . Thereby, the cap 36 is supported by the holder 32 at a fixed position. In this embodiment, the opening-side end of the cap 36 protrudes from the holder 32 . The end of the cap 36 on the opening side may be continuous with the surface of the holder 32 in a flush state, or may exist at a position recessed from the surface of the holder 32 .
  • the materials of the cap 36 and the holder 32 are arbitrary.
  • the cap 36 preferably has heat resistance to withstand molten solder.
  • the cap 36 may be made of a material having a melting point higher than that of the solder hardened portion 40, such as metal such as iron.
  • the cap 36 By forming the cap 36 from metal, it is easy to improve the dimensional accuracy of the recess 38 to the extent that at least two connection ends 17 can be press-fitted into the recess 38 or inserted without play. Moreover, the shape of the concave portion 38 can be maintained by withstanding the heat of the melted solder. Therefore, it is easy to keep the shape of the melted solder constant while maintaining at least two connection ends 17 within the recess 38 .
  • the holder 32 only needs to play the role of keeping the plurality of caps 36 in a fixed positional relationship until at least two connecting ends 17 are inserted into the recesses 38 . From this point of view, the holder 32 may be made of resin.
  • the holder 32 may be a molded resin part with the cap 36 as an insert part. Further, the holder 32 may be a part molded by a mold so as to have a setting recess 34 , and may have a configuration in which the cap 36 is press-fitted into the setting recess 34 after molding.
  • the solder 40B before forming the solder hardened portion 40 is preferably arranged in the recess 38.
  • the configuration for arranging the solder 40B in the recess 38 is arbitrary.
  • the solder 40B may be a paste-like solder arranged in the recess 38 .
  • Solder 40B may be solid solder that is press fit or the like into recess 38 .
  • solder 40B The part in which the solder 40B is set on the solder joint part 30 may be grasped as the solder-integrated solder joint part 30B.
  • the solder 40B melts and hardens to form the solder hardened portion 40.
  • solder-integrated solder joint component 30B having solder 40B arranged in the recess 38 is prepared.
  • connection ends 17 of the plurality of coil wires 16 provided on the stator core 14 are inserted into the recesses 38 .
  • a plurality of combinations of at least two connection ends 17 are collectively inserted into corresponding recesses 38 .
  • at least two connecting ends 17 are kept in abutted state.
  • the solder 40B is sandwiched between the tip surfaces of at least two connection end portions 17 and the innermost portion of the recess 38.
  • solder 40B is melted. Any method can be used to melt the solder 40B.
  • a large current may be temporarily applied to the coil wire 16 to melt the solder 40B by the heat generated by the resistance of the contact portions of at least two connection ends 17 .
  • the heat of the solder 40B is transmitted to the holder 32 through the cap 36. Therefore, it is not necessary to increase the heat resistance of the holder 32, and the room for selecting the material for forming the holder 32 can be expanded.
  • the coil wire 16 and the solder-integrated solder joint component 30B may be placed in a heating furnace to temporarily heat the whole to melt the solder 40B.
  • the molten solder can fill between the at least two connection ends 17 and the recess 38 to form the portion 40a.
  • the molten solder may enter the gaps between at least two connection ends 17 to form the portion 40b.
  • the melted solder becomes the solder hardened portion 40, and at least two connection ends 17 can be connected by soldering in the recess 38. As shown in FIG.
  • the solder 40B hardens in the solder hardening space S in the concave portion 38, joins at least two connection ends 17, and hardens to form the solder hardened portion 40 and the solder hardened portion 40.
  • the connection between the coil wires 16 can be easily performed.
  • solder connection can be achieved in a position-regulated state within the recess 38. become. Therefore, the connection work can be performed while absorbing the positional tolerance between at least two connection ends 17 .
  • the coil wire module 28 also includes a solder joint part 30 having a recess 38 , and the solder hardening part 40 joins at least two connection ends 17 within the recess 38 . Therefore, if the solder 40B is stored in the recess 38 and the solder 40B is melted with at least two connection ends 17 inserted in the recess 38, the connection ends 17 can be easily connected. can do
  • a plurality of recesses 38 are formed in the solder-joint part 30, when the solder-joint part 30 is brought closer toward the coil wire 16, a plurality of combinations of at least two connection ends 17 collectively form corresponding recesses. 38 is inserted. At each recess 38 , at least two connection ends 17 can be joined by the solder hardened portion 40 , so that multiple combinations of at least two connection ends 17 can be easily joined.
  • the cap 36 having the recess 38 formed thereon can be easily configured to be suitable for soldering.
  • the cap 36 metal it is easier to form the recesses 38 with a precision suitable for inserting and holding at least two connection ends 17 .
  • the portion surrounding the concave portion 38 can be easily provided with heat resistance to withstand melting of the solder.
  • solder hardened portion 40 includes a portion 40a located at the innermost portion of the recess 38, at least two connection ends 17 can be easily and reliably connected in the depth of the recess 38.
  • solder-integrated solder joint component 30B at least two connection ends 17 are held together in the recess 38, and at least two connection ends 17 are held together by the solder 40B in the recess 38. Easy to join.
  • the cap 36 is attached to the holder 32 while the cap 36 is attached to the ends of the at least two connection ends 17 . may be removed from the In this case, it is preferable that the cap 36 is fitted in the setting recess 34 to such an extent that it can be removed and inserted.
  • the motor 10 may be used with the cap 36 fitted in the holder 32, and the holder 32 may be removed during maintenance or the like.
  • the motor 10 may be used with the holder 32 removed.
  • the entirety or the outer peripheral portion of the cap 36 is formed of an insulating member such as resin, the cap 36 can more reliably keep the combination of at least two connection ends 17 in an insulated state. can.
  • the cap 36 may be made of a material that has good solder wettability.
  • the cap 36 may be removed from the at least two connection ends 17 and the solder curing section 40 during use as the motor 10 or during maintenance.
  • the cap 36 is preferably made of a material having poor solder wettability.
  • the cap 36 may be removed with the holder 32 relative to the at least two connection ends 17 and the solder cure 40 .

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Windings For Motors And Generators (AREA)
PCT/JP2022/023614 2021-07-01 2022-06-13 コイル線モジュール、はんだ一体はんだ接合部品及びコイル線モジュールの製造方法 Ceased WO2023276633A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US18/574,962 US20240348121A1 (en) 2021-07-01 2022-06-13 Coil wire module, solder-incorporated solder jointing part, and manufacturing method for coil wire module
CN202280042144.6A CN117480709A (zh) 2021-07-01 2022-06-13 线圈线模块、软钎料一体软钎料接合部件及线圈线模块的制造方法

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Application Number Priority Date Filing Date Title
JP2021109963A JP7651984B2 (ja) 2021-07-01 2021-07-01 コイル線モジュール、はんだ一体はんだ接合部品及びコイル線モジュールの製造方法
JP2021-109963 2021-07-01

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WO2023276633A1 true WO2023276633A1 (ja) 2023-01-05

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US (1) US20240348121A1 (enExample)
JP (1) JP7651984B2 (enExample)
CN (1) CN117480709A (enExample)
WO (1) WO2023276633A1 (enExample)

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WO2025192435A1 (ja) * 2024-03-11 2025-09-18 日本発條株式会社 接続構造及びこれを用いた回転電機のステーター

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001020755A1 (en) * 1999-09-10 2001-03-22 Nikon Corporation Coil, and method and apparatus for manufacture thereof
US20140077639A1 (en) * 2011-04-27 2014-03-20 GM Global Technology Operations LLC Method and system for joining stator wires
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US20140077639A1 (en) * 2011-04-27 2014-03-20 GM Global Technology Operations LLC Method and system for joining stator wires
CN209016822U (zh) * 2018-11-02 2019-06-21 上海磁雷革传动系统有限公司 一种线圈连接件及线圈组件
JP2020202652A (ja) * 2019-06-10 2020-12-17 ダイキン工業株式会社 回転電気機械

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