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WO1992006527A1 - Stator pour moteur electrique et son procede de fabrication - Google Patents

Stator pour moteur electrique et son procede de fabrication

Info

Publication number
WO1992006527A1
WO1992006527A1 PCT/DE1991/000738 DE9100738W WO9206527A1 WO 1992006527 A1 WO1992006527 A1 WO 1992006527A1 DE 9100738 W DE9100738 W DE 9100738W WO 9206527 A1 WO9206527 A1 WO 9206527A1
Authority
WO
WIPO (PCT)
Prior art keywords
winding
rods
laminated core
bent
rod
Prior art date
Application number
PCT/DE1991/000738
Other languages
German (de)
English (en)
Inventor
Helmut Kreuzer
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO1992006527A1 publication Critical patent/WO1992006527A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/06—Embedding prefabricated windings in the machines
    • H02K15/062—Windings in slots; Salient pole windings
    • H02K15/064—Windings consisting of separate segments
    • 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
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • 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

Definitions

  • the invention relates to a stand for electrical machines with a bar winding according to the preamble of claim 1 and a method for producing such a stand.
  • the stator of the machine is provided with a multi-pole three-phase shaft or loop winding which is formed from individual conductor bars in the grooves in the stator core.
  • the conductor bars according to DE 37 04 780 AI "are initially bent in a hairpin shape and the legs are interlaced in the upper part, so that they can be inserted in one of the end faces of the laminated core into its grooves in a spreading step by means of a pole division of the laminated stator core.
  • the stand according to the invention with the characterizing features of patent claim 1 has the advantage that the series and / or reverse connections for the individual trains of the loop or wave winding are now prebented as well as the hairpin-shaped other conductor bars and then together as a unit can be crossed over a pole pitch before they are inserted into the grooves of the laminated core.
  • all the conductor bars of the upper and lower layers protruding there can again be moved by one each half the pole pitch interlaced and their ends lying one above the other are welded or soldered in pairs. Since all the soldered or welded connections lie on an end face of the machine in an annular plane, they can be mechanically connected to one another in pairs, without additional connecting rails or cranking of conductor bars.
  • the stand of an electrical machine it is also expedient to accommodate the reversing connecting rods which are bent in a U-shape in a U-shaped manner in the assembly device in such a way that the two legs are each folded in the same direction in the outer layer of the grooves assigned to them are inserted.
  • the intermediate connecting rods are advantageously bent to a half groove width and bent in a U-shape and received in the mounting device in such a way that the front sections of the two legs are initially folded in opposite directions, so that one leg is in the outer position of one groove and the other leg can be inserted into the inner layer of a second groove offset by a pole pitch.
  • connection ends for each phase of the stator rod winding to be straight conductor rods together with the heads of the other predetermined conductor rods in this way in the assembly device record that they protrude axially freely after entanglement and insertion into the grooves of the stator core over the heads of the pre-bent conductor bars.
  • FIG. 1 shows a stator laminated core with a bar winding mounted according to the invention in a spatial representation
  • FIG. 2 shows the winding scheme of the stator according to FIG. 1
  • FIG. 3 shows the various winding bars for the bar winding
  • FIGS. 4, 5 and 6 show the different stations at the Inclusion and entanglement of the winding, reverse connecting and intermediate connecting rods in the assembly device.
  • the stator of a 12-pole three-phase generator for motor vehicles is designated 10 in a spatial representation.
  • the stand 10 consists of a grooved laminated core 11, in the 36 slots 12 a rod winding 13 is housed. Hairpin-shaped pre-bent winding bars 14 of the bar winding 13 are interleaved on their winding heads 14b lying on the rear end of the stator by a pole pitch in the circumferential direction and inserted into the grooves 12 of the laminated core 11 with their legs in an outer and an inner position.
  • the protruding ends of the legs of the outer and inner layers of the winding rods 14 are also interlaced by a pole pitch, so that the rod ends 14a of the outer and inner layers lie one above the other in pairs and are galvanically interconnected to form a wave winding 16 connected, ie welded or soldered.
  • a wave winding a loop winding can also be implemented in a corresponding manner with all rod connections 18 on one end face.
  • FIG. 2 shows the winding diagram for a phase of the shaft winding in the stator 11 of the three-phase generator with one winding step, of four slots 12 of the shaft winding 16 designed as a bar winding.
  • two conductors 17 in an outer layer and two further conductors in an inner layer are arranged side by side in each groove 12 of the stator laminated core 11.
  • the connection ends of the three phases of the wave winding 16, of which the ends U and X of one phase are shown in FIG. 2 lie, as in FIG. 1, on the rear end of the sheet metal package 11 facing away from the galvanic rod connections 18. 2, a wave winding 16 results, according to FIG.
  • this winding train U2 now lies in the upper position of the thirty-third slot 12 and is switched via a reversing connection 20 to a third winding train U3, which begins by one pole division in the opposite direction of rotation in the upper layer of the thirtieth slot 12, in the lower one
  • the position of the thirty-third slot ends and is connected via a further intermediate connection 19 to a fourth winding U4, which begins with the second conductor of the upper layer in the thirtieth slot 12, ends in the lower layer of the thirty-third slot and finally leads out again at terminal X there becomes.
  • Such a wave winding with four winding trains results in the same way for the two other phases of the three-phase generator in the remaining slots 12 not occupied by the first phase.
  • the reversing connections 20 with the beginning and end of the three winding phases can also be interchanged and / or the entanglements on the end faces of the laminated core can be reversed.
  • the winding rods 14 are hairpin-shaped or U-shaped, so that one of the two legs 14c is to be used for the upper and one for the lower layer in the grooves 12 of the laminated core 11.
  • the connection ends of each phase of the rod winding 13 are not pre-bent as straight conductor rods 21.
  • the intermediate connecting rods 19, on the other hand, are pre-bent in a U-shaped manner similar to the winding rods 14, but are also cranked laterally by half a slot width, so that their legs 19c each have space next to a further conductor of the upper or lower layer of a slot 12.
  • the reversing connecting rods 20 are pre-bent in a U-shaped manner via a pole pitch T.
  • FIGS. 4 to 7 a partial circumferential development is used to show how the stator 11 shown in FIG. 1 of an electrical machine with a rod winding 13 inserted into the grooves 12 of the laminated core 11 can be produced mechanically with the aid of a mounting device 24.
  • the differently pre-bent winding rods 14, intermediate connecting rods 19, reverse connecting rods 20 and connecting conductor rods 21 are received in the correct order according to FIG. 2 on their heads 14b, 19b, 20b or at the end 21b in a retaining ring 25.
  • the legs 14c of the winding bars 14 lie one below the other.
  • the legs 20c of the reversing connecting rod 20 required for each phase of the bar winding are in each case at the top for the outer slot position.
  • the two legs 20c of the two intermediate connecting rods 19 required for each phase lie laterally offset next to one another, one being in the upper position and the other below one leg 20c of the reversing connecting rod 20 in the lower position.
  • each interconnection rod 19 there is also one Connection conductor rod 21 is received in the retaining ring 25, the connection end 21b of which protrudes outwards.
  • the outer interlocking ring 26 takes on the outer legs and the inner interlocking ring 27 on the inner legs of these rods.
  • the two interlocking rings 26, 27 are now rotated relative to one another in the direction of the arrow by half a pole pitch T / 2, as a result of which the front sections of the legs 14c, 19c, 20c and 21c are respectively intertwined by half a pole pitch of the stator 10.
  • the interlocking rings 26, 27 are now removed and in the subsequent assembly step, the rods received in the retaining ring 25 are inserted into the grooves 12 of the laminated core 11 according to FIG. 6, with two conductors in the upper and two in the lower in all grooves 12 Layer are arranged side by side.
  • the ends 14a, 19a, 20a and 21a of the winding rods 14, intermediate connections 19, reversing connections 20 and connecting conductor rods 21 are received in the two interlocking rings 26 and 27 and again according to FIG. 7 by half a pole pitch T / 2 twisted in opposite directions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Windings For Motors And Generators (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

Stator (10) pour moteur électrique et son procédé de fabrication, ledit stator présentant un enroulement à barres (13) composés de diverses barres (14) préalablement cintrées en forme d'épingles à cheveux, lesquelles sont insérées, en prévoyant un pas d'écartement polaire, dans des encoches (12), leurs extrémités étant entrecroisées mutuellement sur l'autre côté du paquet de tôles (11) et étant ainsi liées entre elles par paires. Pour pouvoir incorporer les liaisons intermédiaires et d'inversion requises (19, 20) le plus simplement possible et automatiquement dans l'enroulement à barres (13), celles-ci sont, de même, en tant que barres conductrices, préalablement cintrées séparément en forme de 'U' et insérées dans les encoches (12) du paquet de tôles (11) tout en étant entrecroisées avec les autres barres d'enroulement (14), de façon que leurs extrémités soient entrecroisées de nouveau ensemble et avec les extrémités des barres d'enroulement (14) et soient finalement reliées à celles-ci par liaison galvanique.
PCT/DE1991/000738 1990-10-04 1991-09-18 Stator pour moteur electrique et son procede de fabrication WO1992006527A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4031276.3 1990-10-04
DE19904031276 DE4031276A1 (de) 1990-10-04 1990-10-04 Staender fuer elektrische maschinen und verfahren zu seiner herstellung

Publications (1)

Publication Number Publication Date
WO1992006527A1 true WO1992006527A1 (fr) 1992-04-16

Family

ID=6415506

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1991/000738 WO1992006527A1 (fr) 1990-10-04 1991-09-18 Stator pour moteur electrique et son procede de fabrication

Country Status (2)

Country Link
DE (2) DE4031276A1 (fr)
WO (1) WO1992006527A1 (fr)

Cited By (81)

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EP0881751A3 (fr) * 1997-05-26 1999-01-13 Denso Corporation Système de refroidissement pour stator d'alternateur pour véhicule
EP0881745A3 (fr) * 1997-05-26 1999-01-20 Denso Corporation Machine électrique rotative
EP0881750A3 (fr) * 1997-05-26 1999-01-20 Denso Corporation Alternateur pour véhicule automobile
EP0881748A3 (fr) * 1997-05-26 1999-01-20 Denso Corporation Alternateur de véhicule automobile
EP0881746A3 (fr) * 1997-05-26 1999-01-20 Denso Corporation Assemblage de stator pour alternateur de véhicule
EP0881747A3 (fr) * 1997-05-26 1999-01-20 Denso Corporation Alternateur de véhicule automobile
EP0881749A3 (fr) * 1997-05-26 1999-01-20 Denso Corporation Disposition d'enroulement de stator d'un alternateur pour véhicule
US5952749A (en) * 1997-05-26 1999-09-14 Denso Corporation Cooling arrangement of alternator
US5965965A (en) * 1997-05-26 1999-10-12 Denso Corporation Stator winding arrangement of alternator for vehicle
EP0881744A3 (fr) * 1997-05-26 1999-10-20 Denso Corporation Alternateur de véhicule automobile
EP0923187A3 (fr) * 1997-12-10 1999-10-20 Denso Corporation Alternateur de véhicule automobile
US5973434A (en) * 1997-04-25 1999-10-26 Denso Corporation Armature for rotary electric machine having welded joint between upper and lower coil conductors
US5982068A (en) * 1997-05-26 1999-11-09 Denso Corporation Stator arrangement of alternator for vehicle
US5986375A (en) * 1997-09-26 1999-11-16 Denso Corporation Alternator for vehicle
US5994813A (en) * 1997-05-26 1999-11-30 Denso Corporation Rotary electric machine
EP0961386A1 (fr) * 1998-05-25 1999-12-01 Denso Corporation Stator d' un alternateur pour véhicule
EP0961384A1 (fr) * 1998-05-25 1999-12-01 Denso Corporation Alternateur pour véhicule et procédé de sa fabrication
EP0961385A1 (fr) * 1998-05-25 1999-12-01 Denso Corporation Alternateur de véhicule et procedé de sa fabrication
US6011332A (en) * 1997-05-26 2000-01-04 Denso Corporation Stator cooling arrangement of alternator for vehicle
US6124660A (en) * 1997-05-26 2000-09-26 Denso Corporation AC generator for vehicles
FR2791827A1 (fr) * 1999-04-02 2000-10-06 Denso Corp Procede de fabrication de stator de machine tournante
US6137201A (en) * 1997-05-26 2000-10-24 Denso Corporation AC generator for vehicles
JP2000299969A (ja) * 1999-04-12 2000-10-24 Denso Corp 車両用交流発電機
JP2000299950A (ja) * 1999-04-12 2000-10-24 Denso Corp 車両用交流発電機
US6147432A (en) * 1998-08-06 2000-11-14 Denso Corporation AC generator stator for vehicle
US6181043B1 (en) 1997-12-10 2001-01-30 Denso Corporation Alternator for vehicle
US6181044B1 (en) 1998-11-26 2001-01-30 Denso Corporation Vehicle AC generator stator
US6198190B1 (en) 1997-05-26 2001-03-06 Denso Corporation Alternator for an automotive vehicle
US6201332B1 (en) 1998-09-07 2001-03-13 Denso Corporation AC generator stator for vehicle
US6204586B1 (en) 1998-11-25 2001-03-20 Denso Corporation Stator arrangement of vehicle AC generator
US6211594B1 (en) 1998-11-26 2001-04-03 Denso Corporation Vehicle AC generator's stator
US6222295B1 (en) 1998-10-09 2001-04-24 Denso Corporation Stator winding of vehicle AC generator
US6242836B1 (en) 1998-06-26 2001-06-05 Denso Corporation Vehicle AC generators stator and method of manufacturing the same
FR2802361A1 (fr) * 1999-12-13 2001-06-15 Valeo Equip Electr Moteur Perfectionnement aux dispositifs et procedes pour la commande de l'alimentation d'un bobinage de rotor d'une machine electrique telle qu'un alternateur-demareur de vehicule, notamment automobile
FR2802365A1 (fr) * 1999-12-13 2001-06-15 Valeo Equip Electr Moteur Procede et dispositif pour la commande de l'alimentation d'un bobinage de rotor d'une machine electrique telle qu'un alternateur-demarreur de vehicule, notamment automobile
WO2001045250A1 (fr) * 1999-12-13 2001-06-21 Valeo Equipements Electriques Moteur Procede et dispositif pour la commande de l'alimentation d'un bobinage de rotor d'une machine electrique telle qu'un alternateur-demarreur de vehicule
US6252326B1 (en) 1998-11-26 2001-06-26 Denso Corporation Stator of vehicle AC generator with circumferentially offset coil ends
US6249956B1 (en) 1997-10-16 2001-06-26 Denso Corporation Method and apparatus for manufacturing AC-generator's stator for vehicle
US6326715B1 (en) * 1999-12-01 2001-12-04 Mitsubishi Denki Kabushiki Kaisha Stator for an automotive alternator
DE10028380A1 (de) * 2000-06-08 2001-12-20 Isad Electronic Sys Gmbh & Co Wicklung für eine elektrische Maschine sowie Verfahren und Formteilsatz zur Herstellung einer solchen Wicklung
DE10038234A1 (de) * 2000-08-04 2002-02-21 Isad Electronic Sys Gmbh & Co Verfahren und Satz zur Herstellung eines Ständers einer Elektrischen Maschine sowie Ständer für eine Elektrische Maschine
KR100304767B1 (ko) * 1997-05-26 2002-03-13 오카베 히로무 수송수단용 교류발전기의 고정자 장치
KR100320121B1 (ko) * 1997-05-26 2002-04-22 오카베 히로무 회전식 전기장치
EP1109290A3 (fr) * 1999-12-14 2002-04-24 Mitsubishi Denki Kabushiki Kaisha Enroulements du stator d'un alternateur
US6388358B1 (en) 1998-11-25 2002-05-14 Denso Corporation Stator of AC-generator and method of manufacturing the same
US6403921B1 (en) 1999-03-30 2002-06-11 Denso Corporation Method and apparatus for welding a plurality of windings of rotary electric machine
US6404091B1 (en) 1999-06-01 2002-06-11 Denso Corporation Automotive ac generator
EP1117172A3 (fr) * 2000-01-12 2002-06-19 Denso Corporation Procédé et dispositif pour la fabrication du stator d'un moteur électrique
US6417592B2 (en) * 1999-12-09 2002-07-09 Denso Corporation Rotary electric machine for vehicle
US6425175B1 (en) 1999-03-31 2002-07-30 Denso Corporation Method of manufacturing a stator
US6459177B1 (en) 1999-08-06 2002-10-01 Denso Corporation Electric rotary machine having a plurality of conductor segments and method of manufacturing the same
US6490779B1 (en) 1999-03-30 2002-12-10 Denso Corporation Method for manufacturing rotary electric system
US6501204B1 (en) 1999-12-24 2002-12-31 Mitsubishi Denki Kabushiki Kaisha Stator for an alternator
US6504283B1 (en) 2000-01-12 2003-01-07 Mitsubishi Denki Kabushiki Kaisha Alternator
JP3419721B2 (ja) 1999-12-06 2003-06-23 三菱電機株式会社 車両用交流発電機
US6617723B1 (en) 1999-02-05 2003-09-09 Denso Corporation Lead-wire arrangement of vehicle AC generator
FR2841402A1 (fr) * 2002-06-25 2003-12-26 Valeo Equip Electr Moteur Dispositif de prehension et de transfert d'une couronne de conducteurs electriques, destinee a la realisation d'un bobinage, et systeme de realisation d'un bobinage utilisant un tel dispositif
US6703750B2 (en) 2000-04-27 2004-03-09 Denso Corporation Stator of rotary electric machine and method for making the same
KR100442540B1 (ko) * 2001-04-06 2004-07-30 미쓰비시덴키 가부시키가이샤 회전전기의 고정자
US6943477B1 (en) 2000-04-27 2005-09-13 Denso Corporation Stator of rotary electric machine and method for making the same
FR2868620A1 (fr) * 2004-03-31 2005-10-07 Valeo Equip Electr Moteur Induit polyphase pour machine electrique tournante, notamment un alternateur pour vehicule automobile, et son procede de fabrication
US7005773B2 (en) 2001-10-05 2006-02-28 Denso Corporation Stator arrangement of vehicle AC generator
US7088026B2 (en) 2004-06-02 2006-08-08 Denso Corporation Stator arrangement of rotary electric machine
US7140098B2 (en) 1998-09-11 2006-11-28 Denso Corporation Apparatus for manufacturing rotary-electric-machine stator
JP2006528879A (ja) * 2003-05-26 2006-12-21 ヴァレオ エキプマン エレクトリク モトゥール 自動車用のオルタネータなどの回転電気機械
US7402916B2 (en) 2003-05-07 2008-07-22 Valeo Equipements Electriques Moteur Method of controlling a reversible, polyphase rotary electrical machine for a motor vehicle having a heat engine
FR2918815A1 (fr) * 2007-07-11 2009-01-16 Valeo Equip Electr Moteur Stator polyphase pour machine electrique tournante a ventilation interne et machine electrique tournante comportant un tel stator.
WO2009081047A2 (fr) 2007-12-19 2009-07-02 Valeo Equipements Electriques Moteur Agencement d'un porte-cible sur un ventilateur de machine electrique tournante
US7564159B2 (en) 2005-04-18 2009-07-21 Denso Corporation Structure of automotive alternator
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US7941910B2 (en) 2007-03-22 2011-05-17 Tecnomatic S.P.A. Method for removing winding conductors from a twisting machine and placing them in a rotor stator stack
WO2012007972A1 (fr) * 2010-07-16 2012-01-19 Tecnomatic S.P.A Système de serrage de conducteurs spéciaux pour enroulement de barre de stator ou de rotor d'une machine électrique
US8215000B2 (en) 2007-07-20 2012-07-10 Tecnomatic, S.P.A. Methods for twisting rotor and stator ends
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EP0881753B1 (fr) * 1997-05-26 2002-02-13 Denso Corporation Système de refroidissement pour alternateur
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FR2820896B1 (fr) * 2000-12-21 2003-06-20 Valeo Equip Electr Moteur Alternateur pour vehicule automobile
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FR2818821B1 (fr) * 2000-12-21 2003-05-16 Valeo Equip Electr Moteur Alternateur pour vehicule automobile
JP3551376B2 (ja) 2001-12-27 2004-08-04 株式会社デンソー 回転電機のステータコイルの製造方法
JP4046270B2 (ja) * 2002-05-24 2008-02-13 三菱電機株式会社 回転電機の固定子
JP3829769B2 (ja) 2002-07-18 2006-10-04 株式会社デンソー 回転電機の固定子巻線の製造方法
DE10301272A1 (de) * 2003-01-15 2004-08-05 Siemens Ag Elektrische Maschine für den Propulsionsantrieb eines U-Boots mit einer permanentmagnetisch erregten Synchronmaschine
DE10315361A1 (de) * 2003-04-03 2004-10-14 Robert Bosch Gmbh Verfahren zur Herstellung von Wicklungen und Wicklungsverschaltungen
DE102006019312A1 (de) 2006-04-26 2007-10-31 Robert Bosch Gmbh Verfahren zur Herstellung einer Stabwicklung für den Stator einer elektrischen Maschine
DE102010003127A1 (de) 2010-03-22 2011-09-22 Robert Bosch Gmbh Elektrische Maschine
KR102024972B1 (ko) 2012-06-22 2019-09-24 브루사 일렉트로닉 아게 고정자
DE102014208077B4 (de) 2014-04-29 2021-01-21 Vitesco Technologies GmbH Wicklungsträger und elektrische Maschine
CN104767343A (zh) * 2015-04-01 2015-07-08 王东立 两种新型无刷直流电机
DE102015217922A1 (de) * 2015-09-18 2017-03-23 Continental Automotive Gmbh Verfahren und zweiteilige Werkzeuganordnung zum Herstellen eines Stators für eine elektrische Maschine
DE102018200035A1 (de) * 2018-01-03 2019-07-04 Volkswagen Aktiengesellschaft Verfahren zum elektrischen Verbinden von Hairpin-Enden bei der Herstellung eines Rotors oder Stators mit Hairpin-Wicklung
TWI697175B (zh) * 2018-12-28 2020-06-21 台達電子工業股份有限公司 馬達定子
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