WO2007045567A1 - Procede et dispositif pour enrouler des dents de stator ou d'induit - Google Patents

Procede et dispositif pour enrouler des dents de stator ou d'induit Download PDF

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Publication number
WO2007045567A1
WO2007045567A1 PCT/EP2006/067125 EP2006067125W WO2007045567A1 WO 2007045567 A1 WO2007045567 A1 WO 2007045567A1 EP 2006067125 W EP2006067125 W EP 2006067125W WO 2007045567 A1 WO2007045567 A1 WO 2007045567A1
Authority
WO
WIPO (PCT)
Prior art keywords
tooth
winding component
winding
wire
radial
Prior art date
Application number
PCT/EP2006/067125
Other languages
German (de)
English (en)
Inventor
Joachim Prokscha
Heiko Sponar
Michael Huber
Peter Hauser
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 WO2007045567A1 publication Critical patent/WO2007045567A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/08—Forming windings by laying conductors into or around core parts
    • H02K15/095—Forming windings by laying conductors into or around core parts by laying conductors around salient poles

Definitions

  • the present invention relates to a method and a device for winding teeth of a stator or an armature of an electric machine, comprising a wire by means of a winding component, which consists of at least one nozzle, wherein the stator has useful spaces between the teeth.
  • the state of the art uses direct winding by means of a needle winding technique.
  • a needle moves with a nozzle in a lifting motion on the armature or stator packs of the
  • compensation conductor arise. These obstruct the changing room between two coils additionally. In order not to damage the conductors, the available winding space is additionally restricted, whereby the groove fill factor is reduced.
  • the method according to the invention for winding a tooth of a stator or armature of an electrical machine having the features of patent claim 1, has the advantage that the slot slot or useful space between two adjacent teeth or poles can be almost completely filled with windings ,
  • the nozzle is not guided through the slot slot, so that no space for the nozzle must be kept.
  • the relative movement between the tooth and the nozzle in an axial direction of the tooth is carried out, wherein at least when passing the poles there is no overlap of the tooth and the nozzle in the radial direction of the tooth. Since the diameter of the nozzle corresponds to about three times the wire diameter, at least one additional layer can be wound per coil.
  • the copper fill factor of the motor consequently increases. Thus, with the same power, shorter motors can be produced or, for the same length, more powerful motors.
  • the method according to the invention preferably comprises, as a first step, the positioning of the winding component relative to the tooth such that the winding component is positioned in the axial direction of the tooth and laterally displaced to the tooth in a first position, the wire resting against the tooth.
  • the winding component is thus located above a useful space between two adjacent teeth.
  • a next step becomes a relative movement between the winding component and the tooth in the radial direction of the tooth, until the winding component is arranged in a second position without radial cover with the tooth.
  • a relative movement between the winding component and the tooth in the axial direction of the tooth is carried out until the winding component is positioned in a third position without axial overlap between the winding component and the tooth.
  • a relative movement between the winding component and tooth in the radial direction of the tooth is carried out until the winding component is positioned in a fourth position without overlap in the axial direction but with overlap in the radial direction.
  • a relative pivoting movement between the winding component and the tooth is performed about a center of the stator or armature in a first direction, wherein the winding component is guided past a tooth side. This pivotal movement is carried out until the winding component is positioned offset in the axial direction of the tooth and laterally to the tooth on the other tooth side. In this case, a piece of the wire is applied to a tooth side.
  • a relative movement between the winding component and the tooth is again carried out in the radial direction back until the winding component is positioned in a sixth position without radial overlap with the tooth and laterally on the tooth.
  • a relative movement between the winding component and the tooth takes place in the axial direction again to pass the wire on a tooth side, until the winding component is in a position without axial overlap with the tooth.
  • a radial relative movement takes place again between the winding component and the tooth, so that the winding component and the tooth are again in radial overlap.
  • a second relative pivotal movement between the winding component and the tooth takes place in the opposite direction to the first pivoting movement in order to bring the winding component back into the starting position.
  • the method according to the invention thus takes place during the winding during the two relative movements in the axial direction and the two pivoting movements.
  • the relative movements in the radial direction of the tooth between the winding component and the tooth serve to position the wire on the tooth.
  • the method according to the invention has the advantage that in the useful space of a motor existing equalization conductors no obstacle in the winding of the individual teeth represent more.
  • the negative influence of the equalization conductors on the fill factor can be significantly reduced.
  • the winding component preferably comprises a needle.
  • a needle is not essential.
  • the positioning of the winding component relative to the tooth in the radial direction of the tooth is changed in each case by the width of the wire. This ensures that every time the tooth is wrapped, the wire comes to rest next to the previous wrapping. Thus, an exact layer winding can be achieved.
  • the winding of the wire begins at the base of the tooth. Then, the wire moves one wire at a time towards the free end of the tooth until the wire reaches the free end. Subsequently, the offset is carried out in each case by one wire width in the direction of the root of the tooth. In this way, several layers of the winding can be performed.
  • the radial movements between the winding component and the tooth are performed by the winding component according to the inventive method. It must be ensured that, prior to the radial movement, the winding component is laterally offset from the tooth in the axial direction of the tooth
  • Tooth not overlapping with the tooth is arranged. Only in this way is a precise winding of the tooth made reliably.
  • the radial movement is particularly preferably carried out when the wiggle component is in the vicinity of the tooth to be wound.
  • the wire is largely guided in such a way that it is guided in the winding position in which it later lies on the tooth to be wound.
  • an optimal winding of the teeth can take place, since the individual wires ideally come to rest next to each other.
  • the stator Zahnbewicklung the available space to guide the winding component are fully utilized. There is only a very slight risk that the winding component will collide with other parts or components of the winding device.
  • the axial relative movement between the winding component and the tooth is carried out by a movement of the winding component. This allows a simple wire guide realized.
  • the winding component performs a lifting movement to the
  • the relative radial movement between the winding component and the tooth is executed only when a free space between two adjacent teeth has fallen below a minimum.
  • the single tooth or pole can be wound in a conventional manner. It is dispensed with the additional radial movement, so that the winding takes place very quickly and thus is cost-saving. Only when a minimum is below, so if the winding component or the nozzle of the winding component can not be performed by the existing space between wound or partially wound teeth or poles, the additional radial movement is necessary. As a result, the almost full filling of the useful space can be achieved. In this way, an optimal fill factor is achieved and the winding of the motor as a whole is accelerated, however, since the radial or longitudinal movements gene of the winding component along the depth of the tooth need not be performed at each stroke.
  • the minimum dimension which the space between two exposed teeth must have is defined according to the nozzle plus a certain tolerance.
  • the minimum size can always be easily redefined at different wire sizes or at different nozzle widths.
  • the additional tolerance will be determined depending on the speed of movement of the winding component and any deviations in the horizontal plane.
  • the present invention relates to an apparatus for carrying out the method according to the invention.
  • the device has a winding component which has a
  • the winding component not only performs a lifting movement, but is also movable in the radial direction orthogonal to the lifting movement.
  • the winding component as soon as they see just above or below the tooth to be wound or the space between two to be wound teeth, move in the longitudinal direction to the depth of the teeth to be wound, ie in the radial direction with respect to the stator.
  • the winding component or the nozzle of the winding component is not guided by the gap between two teeth.
  • the device has a detection unit, which the
  • This unit Detects the position of the winding component and evaluates it. This unit also detects the position of the tooth to be wound, so that the winding component can be moved in the radial direction before the slot slot or the gap between two teeth to be wound is achieved. This will be a possible collision of the nozzle with the teeth or in the
  • the recognition unit also recognizes when a compensating conductor obstructs the useful space. In this case, a radial movement of the winding component is also carried out.
  • Figure 1 is a plan view of a stator and a winding component with a needle and a nozzle;
  • FIGS. 2a, 2b and 2c are schematic plan views of the stator with the winding component in different process positions.
  • FIG. 3a-3e each show a longitudinal section through the stator with a stator tooth and the winding component of Figure 1 in different process positions.
  • Figure 1 shows a stator 1 of a motor with nine teeth 2 and each located between the teeth 2 Nut thoroughlybank 3. Two teeth 2 are already wound with a wire 4.
  • the rotor chamber 5 In the interior of the stator 1 is the rotor chamber 5, which is provided for receiving a motor rotor (not shown). In the rotor chamber 5, a winding component 6 is shown.
  • the winding component 6 comprises a needle 7 and a nozzle 8, which guides the wire 4.
  • the winding component 6 executes a lifting movement which extends in and out of the drawing.
  • the stator 1 In each upper and lower reversal point of the winding component 6, that is, when the winding component is above or below the stator 1, the stator 1 is about its Mit- teltician 11 pivoted in the horizontal plane.
  • the length of the pivoting movement is dependent on the number of teeth 2.
  • a pivoting movement is performed by 360 ° / 9, ie equal to 40 °.
  • the winding component 6 moves to the other reversal point.
  • the stator 1 pivots back by 40 °.
  • the wire 4 is wound around the tooth 2 of the stator 1.
  • FIG 2a shows schematically the stator 1 with the winding component 6 of Figure 1.
  • the winding component 6 performs a lifting movement.
  • the nozzle 8 of the winding component 6 is guided through the useful space 3 between two adjacent teeth 2. Since a corresponding space in the working space 3 must be maintained for the nozzle 8, the nozzle 8 can be guided only as long as through the Nut societyraum 3, as the winding wire projects beyond any of the hatched areas 9.
  • the surfaces 9 thus represent the maximum available filling space for the winding wire, if the
  • the windable surface 9 between two teeth can now be increased, since a relative movement between tooth 2 and winding component 6 is carried out outside the useful space.
  • FIGS. 2 a to 2 c the wire 4 is already partially wound around the tooth 2.
  • the winding component 6 is located in the axial direction X-X of the tooth or stator laterally offset from the tooth 2 in a position Sl (see Figures 2b and 3a).
  • This first position Sl is the starting position for the method according to the invention, as shown in FIG. 3a.
  • the wire 4 is applied to the tooth 2.
  • the winding component 6 is now moved in the direction of the arrow Rl relative to the tooth 2 in the position S2 shown in Figure 3b.
  • the winding component 6 is moved in a radial direction R-R of the tooth 2.
  • the winding component 6 is laterally offset from the tooth
  • Winding component 6 a fourth position S4, which is shown in Figure 3e.
  • the length of the radial movement in the direction R2 corresponds to the length of the radial movement in the direction Rl, so that the wire 4 is arranged perpendicular to the radial direction R-R on the tooth 2.
  • a first relative pivoting movement between the winding component 6 and the tooth 2 is performed around a center 11 of the stator 1 in the direction SRI (see FIG. As a result, the wire 4 is guided along an underside of the tooth 2. The pivoting movement takes place until the nozzle 8 of the winding component 6 is again arranged in the next useful space of the tooth 2.
  • a relative movement takes place in
  • the winding component 6 is again in the first position Sl.
  • the useful space between two adjacent teeth can be wound up to a remaining intermediate space, which only has to be minimally larger than the diameter of the wire 4.
  • the linear movements in the radial direction RR or in the axial direction XX are performed by the winding component 6 and the pivoting movements SRI and SR2 are performed by the stator 1.
  • the movements can also be carried out in reverse or that all relative movements between the winding component 6 and the stator 1 can be performed by either only the winding component 6 or either only the stator 1 or both.
  • the method according to the invention is preferably performed only around the end of the winding process in order to be able to dispense with the radial movements R 1 and R 2 during the normal winding of the tooth. This optimizes the time required for tooth wrapping.
  • the position of the winding component 6 after each wrapping is reduced by preferably a diameter of the wire 4, so that when the winding is started at the base of the tooth 2, the position Radial movements are shortened after each winding in each case by a wire diameter in the radial direction RR.
  • the copper filling factor of the motor as a whole can be significantly increased.
  • shorter or more powerful motors can be produced.

Landscapes

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

Abstract

La présente invention concerne un procédé pour enrouler une dent (2) d'un stator (1) ou d'un induit d'une machine électrique comprenant un fil (4), au moyen d'un composant d'enroulement (6) qui présente au moins une tuyère (8). Le stator (1) ou l'induit présente des espaces intermédiaires d'encoche (3) entre ses dents (2). Cette invention est caractérisée en ce qu'un mouvement relatif entre le composant d'enroulement (6) et la dent (2) a lieu dans une direction axiale (X-X) de la dent (2), sans qu'il n'y ait chevauchement dans la direction radiale (R-R) de la dent entre le composant d'enroulement (6) et la dent (2). Cette invention concerne également un dispositif permettant de mettre en oeuvre ledit procédé.
PCT/EP2006/067125 2005-10-17 2006-10-06 Procede et dispositif pour enrouler des dents de stator ou d'induit WO2007045567A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510049536 DE102005049536A1 (de) 2005-10-17 2005-10-17 Verfahren und Vorrichtung zum Bewickeln von Stator- oder Ankerzähnen
DE102005049536.2 2005-10-17

Publications (1)

Publication Number Publication Date
WO2007045567A1 true WO2007045567A1 (fr) 2007-04-26

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Application Number Title Priority Date Filing Date
PCT/EP2006/067125 WO2007045567A1 (fr) 2005-10-17 2006-10-06 Procede et dispositif pour enrouler des dents de stator ou d'induit

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DE (1) DE102005049536A1 (fr)
WO (1) WO2007045567A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010060859A1 (de) * 2010-11-29 2012-05-31 Thyssenkrupp Aufzugswerke Gmbh Aufzugsantrieb
DE102021101678B3 (de) 2021-01-26 2022-05-05 Schaeffler Technologies AG & Co. KG Verfahren zum Bewickeln einer sich in einer Längsrichtung erstreckenden Zahnkette

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3516763A1 (de) * 1984-05-09 1985-11-14 Sanyo Denki Co., Ltd., Tokio/Tokyo Vorrichtung zum wickeln einer spule
JP2001103716A (ja) * 1999-09-28 2001-04-13 Tamagawa Seiki Co Ltd コイル巻線方法
EP1158649A2 (fr) * 2000-05-25 2001-11-28 Hayashi Industrial Co., Ltd. Procédé et appareil de fabrication d'enroulements statoriques de moteur
US20020113517A1 (en) * 2001-02-21 2002-08-22 Tadashi Takano Stator coil structure for revolving-field electrical machine and method of manufacturing same
EP1282218A2 (fr) * 2001-08-03 2003-02-05 Kabushiki Kaisha Moric Procédé pour le bobinage de l'induit d'une machine à champ tournant et induit
US20030168547A1 (en) * 2002-03-07 2003-09-11 Katsurou Komuro Winding method and winding device
WO2004032311A1 (fr) * 2002-10-04 2004-04-15 Matsushita Electric Industrial Co., Ltd. Procede d'enroulement du stator dans un moteur

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3516763A1 (de) * 1984-05-09 1985-11-14 Sanyo Denki Co., Ltd., Tokio/Tokyo Vorrichtung zum wickeln einer spule
JP2001103716A (ja) * 1999-09-28 2001-04-13 Tamagawa Seiki Co Ltd コイル巻線方法
EP1158649A2 (fr) * 2000-05-25 2001-11-28 Hayashi Industrial Co., Ltd. Procédé et appareil de fabrication d'enroulements statoriques de moteur
US20020113517A1 (en) * 2001-02-21 2002-08-22 Tadashi Takano Stator coil structure for revolving-field electrical machine and method of manufacturing same
EP1282218A2 (fr) * 2001-08-03 2003-02-05 Kabushiki Kaisha Moric Procédé pour le bobinage de l'induit d'une machine à champ tournant et induit
US20030168547A1 (en) * 2002-03-07 2003-09-11 Katsurou Komuro Winding method and winding device
WO2004032311A1 (fr) * 2002-10-04 2004-04-15 Matsushita Electric Industrial Co., Ltd. Procede d'enroulement du stator dans un moteur
US20060042072A1 (en) * 2002-10-04 2006-03-02 Matsushita Electric Industrial Co., Ltd. Method of winding stator in motor

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