WO2012175485A2 - Support de câblage pour le câblage des bobinages dentaires d'un stator d'une machine électrique et jeu d'éléments comprenant un tel support de câblage - Google Patents

Support de câblage pour le câblage des bobinages dentaires d'un stator d'une machine électrique et jeu d'éléments comprenant un tel support de câblage Download PDF

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Publication number
WO2012175485A2
WO2012175485A2 PCT/EP2012/061686 EP2012061686W WO2012175485A2 WO 2012175485 A2 WO2012175485 A2 WO 2012175485A2 EP 2012061686 W EP2012061686 W EP 2012061686W WO 2012175485 A2 WO2012175485 A2 WO 2012175485A2
Authority
WO
WIPO (PCT)
Prior art keywords
winding
circuit carrier
carrier
wiring
wire
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/EP2012/061686
Other languages
German (de)
English (en)
Other versions
WO2012175485A3 (fr
Inventor
Markus KLÖPZIG
Harald Müller
Klaus Schleicher
Marco Schramm
Andreas SCHRÖTER
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2012175485A2 publication Critical patent/WO2012175485A2/fr
Anticipated expiration legal-status Critical
Publication of WO2012175485A3 publication Critical patent/WO2012175485A3/fr
Ceased legal-status Critical Current

Links

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
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
    • 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

  • Circuit carrier for the wiring of the tooth coil windings of a stator of an electrical machine and kit, comprising such a circuit carrier
  • the invention relates to a circuit carrier for the wiring of the tooth coil windings of a stator of an electric machine.
  • the invention relates to a kit which contains such a circuit carrier and additionally includes a winding head carrier with inwardly extending teeth for tooth coil windings.
  • Electric machines eg motors or generators with tooth coil windings are for example from the DE
  • Tooth coil windings also referred to as Einstattwicklungen, are preferably used in stators of synchronous machines with permanent magnet excitation, electrical excitation or a combination of both types of excitation, as well as in stators of synchronous and switched reluctance machines.
  • the tooth coil windings have a relatively small winding head and a reduced winding resistance compared to the distributed windings and can be made with a smaller axial length compared to distributed winding stators.
  • the stator lamination packages for tooth coil windings are designed in such a way that, seen in cross-section, teeth result around which the coils are wound. Hence the term stirs "tooth coil winding.”
  • the laminated core is rectangular stator teeth available for this purpose, with the Biegera ⁇ serving the winding wire at the corners of the stator teeth very small fail. Here, therefore, creates an unfavorable thermal connection.
  • the isolation level ⁇ tion of the winding takes damage to the sharp edges of the Stato leopard.
  • the wakkelkée ie the areas of the tooth coil winding, which wind around the ends of the stator teeth, lined by winding head support.
  • the wiring of the tooth coil windings is mechanically complex and it must also be ensured that the winding wires combined to connection cables are sufficiently insulated so that there are no short circuits.
  • the object of the invention is therefore to show a way as a reliable guidance of the wiring on the winding head of the electric machine can be done.
  • the initially angege ⁇ surrounded circuit carrier wherein it consists of a supporting ring and wherein a contact surface is formed for the stator on the one end side of the supporting ring and on the side opposite the contact surface end side concentric annular combustion grooves for guiding the Cabling are provided, which are connected via through holes in the groove bottom with the other end face.
  • the annular grooves advantageously enable the combined winding wires, which form a wiring and can be connected to an external contact, reliably guided in the annular grooves. On the one hand, this reduces the assembly effort for the production of the wiring, since the annular grooves provide a defined annular space for receiving the winding wires available.
  • the through-holes in the groove bottom allow a reliable supply of the winding wires starting from the winding heads through the support ring, wherein by bending the winding wires into the grooves in a simple assembly can be done.
  • the through-holes are arranged in the support ring in an assembly of the approaching pattern, so that the respective winding wires can be assigned to the associated through-holes in a simple manner while avoiding assembly errors.
  • the associated winding wires are automatically combined in the winding slots and can then be combined to form a cabling.
  • each phase of the electrical interconnection is provided in each case two annular grooves.
  • the lead and the derivative of the winding wire of each phase can be performed in its own groove.
  • Short circuits are, as already mentioned, reliably prevented in this way.
  • the circuit carrier according to the invention is also configurable for a different number of phases. Another advantageous embodiment is obtained when an annular groove is provided for each phase of the electrical interconnection and a further annular groove is provided with a larger groove volume for the formation of a neutral point of all phases. As a result, a star connection of the tooth coil windings can be realized in the annular grooves.
  • all leads of the winding ⁇ wires for the tooth coils are combined to form a pole.
  • the other leads of each phase are individually cabled in a groove, so that for each phase an annular groove plus the enlarged ring groove for the formation of the star point erge ⁇ ben.
  • This also makes a space-saving and reliable installation with low installation costs possible.
  • the annular grooves are at least partially interrupted in a circular segment under Ausbil ⁇ tion of an interconnection window. Although the bundled winding wires are no longer guided within this circular segment, a usable space is created, namely the wiring window, in which the combined winding wires can be led out of the circuit carrier for contacting. This further simplifies the assembly.
  • the annular grooves are equipped with low-holders for the inserted winding wires.
  • the hold-down device ⁇ ter that runs in the grooves winding wires can not come out of this, which could lead to short circuits.
  • the hold-down can advantageously consist of bolts from the side can be inserted through the groove walls.
  • the groove walls have suitable holes for this purpose, in which the bolts hineinge ⁇ inserted and can be secured.
  • the circuit carrier is constructed in the manner already described, that is, that it consists of a support ring, wherein on the one end side of the support ring an on ⁇ bearing surface for the stator is formed and on the side facing away from ⁇ on face end concentric annular grooves for guiding the wiring are provided, which are connected via through holes in the groove bottom with the other end face.
  • the winding head carrier consists of an annular region and of this radially inwardly extending teeth, wherein the one end face of the winding head carrier is formed as a contact surface for the stator and the teeth on the side facing away from the plant ⁇ surface have a support surface for the winding head of the tooth coil winding.
  • cavities are provided between the winding head carrier and the circuit carrier for guiding the winding wires from the tooth coil windings to the through holes.
  • the winding head carrier can also be executed segmented.
  • the number of winding carriers corresponds to the number of teeth or an integer divisor of the number of teeth.
  • the execution of segmented winding end carriers is particularly advantageous, although the stator is executed segmented.
  • the kit advantageously allows a particularly platzspa ⁇ -saving cabling of the tooth coil windings. These are precisely guided on the winding head carrier, so that the supply and the discharge of the winding wire at a defined posi- tion can take place. In the cavities between the winding head carrier and the circuit carrier, the winding wires can be guided to the through holes in the groove bottom of the annular grooves and inserted through them. By bending the interturn wires into the grooves can be made a reli ⁇ permeable and short-circuit proof wiring subsequently.
  • winding wires is advantageously placed after successful ⁇ tem winding of the tooth coil windings and during the merging circuit support and winding support to the kit through the through-holes, wherein in compliance with the pattern of the through holes a unique Alloc ⁇ voltage of each winding wire to one of the grooves and thus leads to a fault-free interconnection.
  • bending of the winding wires may be such that this pre into this ⁇ provided cavities between the winding carrier and the
  • the kit adjacent to the tooth roots of the teeth in the inner side of the ring portion is provided in each case an axially extending Einlaufdrahtnut, seen in the winding direction of the abutment surface facing away from the end face of the Ringbe ⁇ rich in the direction of contact surface and that the The through holes for the associated wire inlets are axially aligned with the wire inlet grooves.
  • Running forming winding wires to a star point can be reliably summarized by direct axial insertion through the associated through holes in the enlarged annular groove, which can be advantageously minimized assembly costs. Also, the use of material to winding wire can be minimized, since this is ensured between the circuit carrier and the winding head carrier by a short and direct axial connection.
  • Another advantageous embodiment of the invention provides that in the abutment surface facing away from the end face of the ring area Ablageuten for the end of the winding wire are seen before ⁇ passing through the ring area, wherein the storage grooves open into an outer adjoining the contact surface annular space.
  • This annular space forms at least a portion of the property for the laying of the winding wires for Availability checked ⁇ supply, already mentioned cavities.
  • the guide through the storage grooves also leads in the annulus to a clear and clearly assignable leadership of the winding wires, so that the risk of confusion of the winding ⁇ wires in the assembly of the circuit substrate on the Wick ⁇ ment carrier is advantageously further minimized.
  • the annular space may also be open to the outside, so that assembly and deformation of the winding wires is facilitated, for example, by bending over during the assembly process.
  • the winding head is connected via Abstandhal ter with the circuit carrier. This creates a gap between the winding head carrier and the spacer, which is completely available as a cavity for laying the winding wires. Once winding wires are inserted through the through holes in the circuit carrier, the circuit carrier and the winding carrier can be easily mounted on one another using the spacers. with, wherein the winding wires automatically arrange in the remaining gap.
  • the wikkelkopfa and the circuit carrier can be screwed together via corresponding round holes in both components.
  • spacers ter can be tubular and can be plugged onto the screw ⁇ bolt the screw.
  • the spacers are designed as an integral component of the circuit substrate or the Wi ⁇ ckelkopfizis, advantageously also in this case, the round holes for receiving the screws run exactly through the spacers. This advantageously increases the rigidity of the mounted kit.
  • Figure 1 schematically from the side an embodiment of a laminated stator core, on the end sides winding head are used and also an embodiment of the circuit according to the invention tion carrier on the front side of one of the two
  • Winding head carrier is applied
  • FIG. 2 shows a perspective view of a segment of the winding head carrier
  • 3 shows another example of the winding head as a carrier on ⁇ view (detail), the latter having a view similar to Figure 2 geometry
  • Figure 4 a perspective view of an alternative embodiment of
  • Teeth of another winding head carrier the ansons ⁇ th but is constructed analogously to Figure 2 and
  • FIG. 5 is a perspective view of astrasbei ⁇ game of the kit according to the invention, consisting of the winding head carrier which is connected to an embodiment of the invention Heidelbergsträ ⁇ ger.
  • a stator 11 is shown for a synchronous machine. This consists of a laminated stator core 12, which has a winding head carrier 14 at each end face 13.
  • the winding head carriers each have a ring region 15, from the inside of which teeth 16 protrude radially inward, which each receive the winding head 17 of tooth coil windings.
  • the coil terminals (ie, the ends of Wick ⁇ ment wires) of the tooth coil winding are guided by an attached to the outer end face of a winding support 14 circuit board 19, the ring grooves 20 for receiving and guiding the wiring 18 is available, and thus form a wiring 18th
  • the exact structure of the winding carrier 14 may be 2 ⁇ ent accepted.
  • the outer ring 15, which is for example divided in this exemplary in segments of a circle and having positioning aids 21 for attachment to the laminated stator core 12 is composed of a plane of the drawing facing away from contact surface 22 with which the ring portion with which the contact surface 22 bil ⁇ Denden end face on the Statorblechb be placed can.
  • the opposite end face 23 can serve as a mounting surface ⁇ for the circuit substrate 19.
  • the annular region has an outer side 24 and an inner side 25, wherein the teeth 16 protrude radially inwards from the inner side 25.
  • a Drahteinlaufnut 26 In the end face 23 also can be seen an opening formed by a Drahteinlaufnut 26, wherein the Drahtein ⁇ running groove runs on the inside 25 26th Furthermore, a storage groove 27 can be seen, the radially-obliquely outward directed in the end face 23 extends. Exactly in the division ⁇ plane 28 of the segments extends a Formwindnut 29, which is introduced into the inner side 25, wherein each half of this Formlixnut are each formed by the adjacent, abutting in the dividing plane segments of the winding head.
  • a round hole 30 is provided with an internal thread in the end face 23, in which a screw for fastening the circuit substrate 19 via kor ⁇ responding round holes 31 in the circuit carrier (see Figure 5) can be screwed.
  • the tooth 16 extends from a tooth root 32 on the inside of the annular region 15 radially inwards to a tooth head 33, on which a pole piece 34 is provided as a boundary. Between the inside 25 and the pole piece 34, a support surface 35 extends for the tooth coil winding. Notches 37 are provided as guide elements in the area of edges (shown in phantom) 36 in the support surface, which extend radially in their entirety over the entire length of the tooth and thus provide a guide structure 38 for the winding wire.
  • the winding ⁇ wire 39 comes to lie in the notches in the manner indicated, so the bending radius of the winding wire 39 can be increased in the region of the edges 36.
  • FIG. 3 shows how the winding wire 39 can be wound around the tooth 16.
  • the winding head carrier is shown with a geometry according to FIG. 2, but as a one-piece variant without segments. Therefore, the centering pins missing 21. It can be seen at the tooth root 32 further ⁇ towards a guide key 40 relative to the inner side 25 as seen in the winding direction 41 of the winding wire 39, the height of 0 and at the end of the support surface having the height h on top of the support surface 25th The height h corresponds exactly to the winding width b of the winding wire. This is equipped in the embodiment with a round cross section, which is why its Wick ⁇ ment height of the winding width b corresponds.
  • the wire inlet 42 is located in the wire inlet groove. Furthermore, the first end of the first turn 43 a can be seen, which conforms to the guide wedge 40. The further turns 43b then nestle against the adjacent turn. The first turn is shown 43d of the two-th winding layer dash-dot lines also, which is not disrupted as illustrated by the Drahtein ⁇ running 42nd
  • FIG. 2 the alternative embodiment of one of the teeth 16 of the winding head carrier 14 is shown. It is only the tooth tip 33 shown, the ring portion 15 is formed entspre ⁇ accordingly FIG. 2
  • the tooth 16 differs from the tooth according to FIG. 2 in that, as guide elements, attachments 44 are used, which have the shape comparable to saddle roofs of a house. These lie directly against one another, so that guide channels for the winding wire result, which is not shown in FIG.
  • the towers 44 according to Figure 4 are executed as part of the guide ⁇ structure 38 which designed as a separate component leads is.
  • the guide structure can be glued into a receiving groove 45, which is introduced ⁇ in the support surface 35 of the tooth. Furthermore, it can be seen that the support surface 35 has a slightly rounded contour, whereby advantageously particularly large radii for the winding head can be realized.
  • a winding head carrier 14 is shown, which is connected via spacers 46 to a circuit carrier 19. About the spacers 46, a gap between the end faces of the winding head carrier 14 and the circuit substrate 19 is created within which the Verka ⁇ belung can be performed by the winding heads located on the winding head to through holes 47 in the groove bottom of the grooves 20 a, 20. The winding wires are through this
  • the grooves themselves are used for reliable and mutually insulated guidance of the winding wires, which can be combined to form a wiring, or a bus bar for the winding wires (not shown in detail in Figure 5).
  • the voluminous annular groove 20a is available for each one of the tooth coil winding wire winding per tooth coil winding, so that their summary is done to a star point.
  • the wire inlets 42 are summarized to the star point, wherein the
  • Through holes in the widened annular groove 20 are preferably arranged exactly in the pattern of the wire inlet grooves in order to realize shortest possible wiring paths between the respective through holes 47 and the wire inlet grooves in the intermediate space between the winding head carrier 14 and the circuit carrier 19.
  • Alternatively may be at the position of
  • the other three annular grooves are used for wiring of three phases, so that the synchronous machine, not shown, in the circuit carrier according to Figure 5 can be equipped with the usual three-phase control.
  • the outer three annular grooves 20 for the respective phases in a circular segment are impressedbro ⁇ chen, so that the groove walls are missing.
  • bolts 49 are provided, which can be inserted through lateral openings in the groove walls and thus contribute to a locking of the winding wires located in the grooves. This can reliably prevents the ⁇ that the winding wires jump out of the grooves and it can lead to short circuits.
  • the circuit carrier is made of an electrically insulating material, preferably plastic.
  • the Verschaltungsringe can be designed as massive rings or as Lit ⁇ zeleiter.
  • the rings do not have to be closed, they can have an open position, which makes assembly easier.
  • releasable Kon ⁇ clocked elements eg plug connectors

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

L'invention a pour objet un support de câblage (19) pour le câblage des bobinages dentaires d'un stator d'une machine électrique. Selon l'invention, ce support comporte des gorges annulaires (20, 20a) dont le fond présente des trous traversants (47). Selon l'invention, des câbles des bobinages peuvent être enfilés à travers ces trous traversants puis recourbés dans les gorges annulaires. Cette structure permet un montage et un câblage fiable avec un faible taux d'erreur. Avantageusement, le support de câblage peut également former un ensemble conjointement avec un support de bobinage (14), le support de bobinage (14) pouvant être monté sur un paquet de tôles statorique. Les bobinages dentaires passent alors sur les dents (16) du support de tête de bobine (14), ce qui permet d'obtenir une géométrie définie ainsi qu'un guidage défini de l'arrivée et du départ du fil de bobinage dans cette zone. Le câblage sur le support de câblage s'en trouve d'autant facilité.
PCT/EP2012/061686 2011-06-23 2012-06-19 Support de câblage pour le câblage des bobinages dentaires d'un stator d'une machine électrique et jeu d'éléments comprenant un tel support de câblage Ceased WO2012175485A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011078026.2 2011-06-23
DE201110078026 DE102011078026A1 (de) 2011-06-23 2011-06-23 Schaltungsträger für die Verkabelung der Zahnspulenwicklungen eines Stators einer elektrischen Maschine und Bausatz, enthaltend einen solchen Schaltungsträger

Publications (2)

Publication Number Publication Date
WO2012175485A2 true WO2012175485A2 (fr) 2012-12-27
WO2012175485A3 WO2012175485A3 (fr) 2013-12-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/061686 Ceased WO2012175485A2 (fr) 2011-06-23 2012-06-19 Support de câblage pour le câblage des bobinages dentaires d'un stator d'une machine électrique et jeu d'éléments comprenant un tel support de câblage

Country Status (2)

Country Link
DE (1) DE102011078026A1 (fr)
WO (1) WO2012175485A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112753154A (zh) * 2018-09-26 2021-05-04 采埃孚股份公司 用于电动机器的绝缘单元

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DE102014214909A1 (de) 2014-07-30 2016-02-04 Volkswagen Aktiengesellschaft Anordnung zum Aufnehmen einer Verdrahtung einer elektrischen Maschine, elektrische Maschine und Herstellungsverfahren für eine derartige Verdrahtung
US10862361B2 (en) 2015-09-11 2020-12-08 Hitachi Automotive Systems, Ltd. Stator and rotating electric machine
CN109245374B (zh) * 2018-08-30 2024-08-23 珠海凯邦电机制造有限公司 一种出线护夹组件和电机
DE102019200155A1 (de) * 2019-01-09 2020-07-09 Robert Bosch Gmbh Elektromotor
JP7194624B2 (ja) 2019-03-27 2022-12-22 株式会社山田製作所 インシュレータ

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DE102006003598A1 (de) 2006-01-25 2007-08-09 Siemens Ag Permanenterregte Synchronmaschine

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JP3613262B2 (ja) * 2002-04-26 2005-01-26 三菱電機株式会社 回転電機およびその製造方法
JP4783012B2 (ja) * 2004-12-28 2011-09-28 日立オートモティブシステムズ株式会社 電動パワーステアリング用モータ及びその製造方法
JP4353950B2 (ja) * 2006-03-06 2009-10-28 三菱電機株式会社 回転電機
JP4789676B2 (ja) * 2006-03-29 2011-10-12 トヨタ自動車株式会社 回転電機用端末モジュールおよび回転電機
US8450898B2 (en) * 2006-09-01 2013-05-28 Resmed Motor Technologies Inc Insulator for stator assembly of brushless DC motor

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Publication number Priority date Publication date Assignee Title
DE102006003598A1 (de) 2006-01-25 2007-08-09 Siemens Ag Permanenterregte Synchronmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112753154A (zh) * 2018-09-26 2021-05-04 采埃孚股份公司 用于电动机器的绝缘单元

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WO2012175485A3 (fr) 2013-12-27
DE102011078026A1 (de) 2012-12-27

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