EP2878068A2 - Spulenträger mit integrierten haltern für ein phasenisolationspapier - Google Patents
Spulenträger mit integrierten haltern für ein phasenisolationspapierInfo
- Publication number
- EP2878068A2 EP2878068A2 EP13733271.4A EP13733271A EP2878068A2 EP 2878068 A2 EP2878068 A2 EP 2878068A2 EP 13733271 A EP13733271 A EP 13733271A EP 2878068 A2 EP2878068 A2 EP 2878068A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- end wall
- edge
- retaining
- coil
- retaining lug
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—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
- H02K2203/12—Machines characterised by the bobbins for supporting the windings
Definitions
- the invention relates to coils for electric machines or electric power machines.
- the invention relates to a bobbin for a coil of an electric machine, a stator for an electric machine and a
- Electric machines such.
- electric motors have a stator and a rotor, wherein usually at least the stator has a plurality of coils which generate a magnetic field upon application of electrical energy, which sets the rotor in rotation.
- the stator has a plurality of coils which generate a magnetic field upon application of electrical energy, which sets the rotor in rotation.
- Isolation paper or other phase insulation element between the coils are placed to prevent, for example, at
- Insulation damage to the coil wire of the coils creates an undesirable electrical contact between adjacent coils.
- stator can be impregnated with coils and phase insulation element, d. H. sprayed with a resin or dipped in a resin.
- phase insulating or phase insulating paper which is located between two coils or phases of the stator to electrically isolate them from each other, moves in position. After impregnation of the stator, however, this displaced phase insulation element is fixed in its displaced position and can no longer be moved or repositioned. Thus, it may happen that during operation of an electric machine, a rotor comes into contact with the shifted phase insulation element, whereby, for example, undesirable
- phase-insulating element fixed in a faulty position may render the corresponding stator no longer suitable for further use, ie. H. Represents rejects.
- a bobbin for a coil is a
- the bobbin has a spool core and a closure wall having a first edge and a second edge.
- the first edge is arranged opposite the second edge and the end wall is executed, one wound around the spool core
- the coil carrier is characterized characterized in that the end wall comprises a first retaining tab and a second retaining tab, the first retaining tab extending in an extension plane of the end wall from the first edge in a first spreading direction along a first center axis of the first retaining tab and the second retaining tab extending in the plane of extent of the first retaining tab End wall extends from the second edge in a second direction Abragment along a second central axis of the second retaining lug.
- the end wall may be arranged in a plane orthogonal to a longitudinal axis of the spool core and configured to hold the spool wire wound around the spool core in this wound position and not be able to slip therefrom in the longitudinal direction of the spool core.
- the end wall can be, for example, a plastic part or plastic molded part or another flat element made of electrically non-conductive material.
- End wall has an approximately T-shaped cross section, wherein the end wall is the horizontally extending portion of the cross section and extends laterally beyond the spool core at least in two directions.
- the first retaining lug may extend in a plane of the end wall and perpendicularly protrude from a first edge of the end wall, but may also include an angle other than 90 degrees to the first edge of the end wall, so that the first retaining lug obliquely or transversely to the first Edge of the end wall runs.
- the first retaining lug and the second retaining lug can be designed, in particular, to have a phase-insulating element which is connected to the electrical
- Isolating a coil from another coil is executed in one
- the first center axis has an offset distance with respect to the second center axis.
- identical bobbin carriers can be arranged adjacent to one another on a stator such that in each case the first edge of a bobbin connects to the second edge of an adjacent bobbin or vice versa, wherein the first retaining lug at the first edge to the second retaining lug at the second edge is offset, so that the retaining lugs of adjacent coil carriers do not come into contact with each other.
- the offset distance is greater than a sum of half of a first width of the first retaining lug and half of a second width of the second retaining lug.
- Central axis and the second center axis for example, be taken into account that the first width of the first retaining lug deviates from the second width of the second retaining lug.
- At least two retaining lugs are arranged on the first edge and at least two retaining lugs on the second edge, wherein a projection of the retaining lugs on the first edge on the central axis of the end wall with a projection of the retaining lugs on the second edge on the central axis End wall does not overlap.
- the retaining lugs and the retaining lugs are opposite, which do not touch at each of these edges arranged retaining lugs, since their projection on the central axis of the end wall does not overlap, which means that all retaining lugs to each other have a corresponding offset distance as described above.
- the retaining lugs and the retaining lugs are opposite, which do not touch at each of these edges arranged retaining lugs, since their projection on the central axis of the end wall does not overlap, which means that all retaining lugs to each other have a corresponding offset distance as described above.
- End wall made in one piece.
- a stator for an electric machine wherein the stator has a first coil carrier as above and in the
- the first coil carrier and the second coil carrier along a circumferential direction of the stator are arranged so that a central axis of the end wall of the first coil carrier and the second coil carrier is parallel to a central axis of the stator.
- the stator is characterized in that the first retaining lug of the first
- a width of the gap is less than a sum of the first length of the first retaining lug and the second length of the second retaining lug, so that the first retaining lug and the second retaining lance in a direction along its central axis at least partially overlap ,
- the retaining lugs of the first edge protrude in the direction of the second edge of the end wall of the adjacent coil support and vice versa accordingly. Due to the offset of the retaining lugs on the first edge and the retaining lugs on the second edge to each other, the retaining lugs do not touch, but extend in an overlapping portion in the plane of extension of the end walls side by side. It should be noted that adjacent coils can also be arranged so that the extension planes of the respective end walls not coincide and do not run parallel to each other, but intersect. In such a case, the retaining lugs of the respective
- Coil carrier transverse to each other, as they follow the course of the corresponding extension plane of the end wall.
- the lugs overlapping in a space can fix a phase insulating member in the gap, so that the phase insulating member does not protrude beyond the extension plane of the end wall.
- stator continues to engage
- phase insulation member for electrically insulating the coil wire on the first coil support from the coil wire on the second coil support, wherein the phase insulation element is disposed in the space and wherein the first retaining lug and the second retaining lance are executed, the phase insulation element with respect to a direction of movement transverse to the plane of extension to fix the first end wall and the second end wall in the space.
- the coil carrier has a T-shaped cross-section, wherein the vertically extending element of the T-shaped cross-section corresponds to the coil core and the horizontally extending element of the T-shaped cross section corresponds to the end wall.
- the coil wire is wound around the spool core and is prevented by the end wall from leaving this position.
- the phase insulation element for example in the form of a phase insulation paper, is arranged between two adjacent coil carriers so that in each case the coil wires or coil windings are electrically insulated from one another around the coil core.
- Phase insulation element in particular perform no movement in the direction of the end wall or beyond, since in this case the coil windings adjacent coil carrier can touch, so that when damaged insulation of the coil wire, a malfunction of the stator can be caused.
- an electric machine with a stator is specified as described above and below.
- Fig. 1 shows a schematic cross-sectional view of a coil with a coil carrier according to an embodiment of the invention.
- Fig. 2 shows a schematic plan view of a coil carrier according to a
- Fig. 3 shows a schematic representation of a terminal wall of a
- Spool carrier according to an embodiment of the invention.
- FIG. 4 shows a schematic representation of two adjacent coil carriers according to an exemplary embodiment of the invention.
- Fig. 5 shows a schematic representation of two adjacent coil carrier according to an embodiment of the invention.
- FIG. 6 shows a schematic isometric view of two adjacent coil carriers according to an exemplary embodiment of the invention.
- Fig. 7 shows an isometric view of a stator according to a
- Fig. 1 shows a coil 100 with a bobbin 110.
- the bobbin 110 has a bobbin 112 and an end wall 115, wherein the End wall 115 orthogonal to the spool core 112 extends.
- first surface 113 has a first surface 113 and a second surface 114, wherein the first surface 113 is configured to secure the bobbin to a stator, and wherein the end wall 115 is disposed on the second surface 114. It can be seen from the illustration that the first surface
- a coil wire 120 is wound several times.
- FIG. 2 shows an end wall 115, which spans an extension plane 117. In a non-visible, behind the end wall 115 lying
- the end wall may have an opening in which breakthrough of the spool core is arranged, whereby the end wall is not a continuous sheet-like element in this alternative embodiment.
- the end wall 115 has a first edge 118 and a second edge 119, the first edge and the second edge facing each other. At the first edge, the first retaining lug 130 and at the second edge 119, the second retaining lug 140 is arranged. The first retaining lug 130 protrudes in a Abragment 131 from the first edge
- the first retaining lug 130 extends along the central axis 132 of the first retaining lug.
- the first retaining lug 130 has a width 133.
- the second retaining lug 140 extends from the end wall of the second edge 119 in a direction of distraction 141 of the second retaining lug along the central axis 142 of the second retaining lug and in this case has a width 143.
- the central axis 132 and the center axis 142 have an offset distance 153 relative to one another.
- the center axes 132, 142 are parallel to each other and each perpendicular to the first edge or to the second edge.
- the first edge and the second edge are opposite to each other at the end wall and also run parallel to each other.
- FIG. 3 shows an end wall 115 with a first retaining lug 130 and a second retaining lug 140.
- the first retaining lug 130 and the second retaining lug 140 respectively close a first angle of inclination 136 and a second angle of inclination
- the inclination angle 136, 146 may have 90 degrees or a value deviating therefrom.
- Embodiment less than 90 degrees, in particular 75 degrees or 60 degrees.
- FIG. 3 shows the projections of the first retaining lug 130 or the second retaining lug 140 on the central axis 116 of the end wall 115.
- the vertical projection of the first retaining lug 130 is from the first position surface 134 and the vertical projection of the second
- the offset distance 154 of the projection surfaces 134, 144 shows that the first retaining lug 130 and the second retaining lug 140 are offset relative to one another in such a way that the retaining lugs of identically arranged adjacent coil supports, wherein the first edge of the end wall and the second edge of the adjacent end wall are opposite, do not overlap, but partly run depending on the length of the retaining lugs next to each other or run transversely to each other.
- the first coil 100 has two retaining lugs 130A, 130B at the first edge and two retaining lugs 140A, 140B at the second edge.
- the retaining lugs 130A, 130B have a length 135 and the retaining lugs 140A, 140B have a length 145, these lengths being the extent of the projection of the retaining lugs from the edge of the
- the end wall 215 of the second coil 200 is designed to be identical to the end wall 115 of the first coil 100. Accordingly, the comments on the first coil 100 apply analogously to the second coil 200.
- both the length 135 may differ from the length 145 as well as the retaining lugs may have different lengths on the same edge.
- the adjacent coils 100, 200 form between them a gap 180 having a width 181.
- a gap 180 having a width 181.
- In the intermediate space 180 is a
- Phase insulation element 300 shown.
- the phase insulating member 300 may form the gap 180 in a direction transverse or orthogonal to the plane of extent of the
- End wall 115 projects in the direction of the end wall 215 and the retaining lug
- Fig. 5 shows an embodiment in which the retaining lugs no
- the first retaining lug 130 has a tongue 138 which also extends in the direction of the direction of removal of the first retaining lug and the second retaining lug 140 has a recess 148, the notch opposite to the
- the notch 148 is a complementary appearance to the tongue 138 and the tongue 138 projects into the notch 148 when two coils 100, 200 are juxtaposed.
- Zipper-like protrusion of the tongue 138 of the first retaining lug 130 into the notch 148 of the second retaining lug 140 also prevents a phase insulating member 300 located in the gap 180 from moving in a direction transverse to the plane of extension of the end wall of a bobbin.
- FIG. 6 shows an isometric illustration of two coils 100, 200 arranged next to one another.
- the coils 100, 200 each have a coil carrier with a coil core 112, 212 and a terminating wall 115, 215, with a coil wire 120, 220 around each coil core 112, 212 is wound.
- the phase insulating member 300 is disposed in the space 180 between the coils 100, 200 and configured to electrically insulate the coil wires 120, 220 from each other. It can be seen from the illustration that the first edge 118 of the end wall 115 of the first coil 100 adjacent to the second edge 119 of the end wall 215 of the second coil 200, that is, that these edges are opposite each other and form the gap 180 between the first coil 100 and the second coil 200. In the course of the arrangement of the coils 100, 200 on a stator (not shown), it may happen that the phase insulation element 300 itself
- phase insulation element 300 may also be displaced during other manufacturing or assembly steps of a stator or an electric machine. Just this
- Fig. 7 shows a stator 400 for an electric machine, wherein the stator is circular and a plurality of coils along the stator
- Circumferential direction of the stator 400 are arranged so that each of the
- Stators runs.
- the end walls 115, 215 of the coils 100, 200 have in the radial direction of the stator on the central axis 410 of the stator.
- Each end wall 115, 215 of the coils 100, 200 may be of identical design and staggered retaining lugs 130, 240, with just the overlapping in a gap retaining lugs 130, 240 ensure that a befindliches in the space
- Phase isolation element can not move in the radial direction of the stator toward the central axis 410 of the stator.
- Phase insulating member 300 would move in the radial direction toward the central axis 410 of the stator, it may happen that a rotatably mounted in the stator rotor during its rotation on the projecting phase insulating element grinds or strikes, so that there are noises and / or functional impairments of the Stators or the whole
- phase insulating member 300 in the gap can be easily done by inserting the phase insulating member in the longitudinal direction of the stator along the mounting direction arrows 315A, 315B in parallel to the center axis 410 in the space.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
- Insulating Of Coils (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012211468.8A DE102012211468A1 (de) | 2012-07-03 | 2012-07-03 | Spulenträger mit integrierten Haltern für das Phasenisolationspapier |
PCT/EP2013/063465 WO2014005911A2 (de) | 2012-07-03 | 2013-06-27 | Spulenträger mit integrierten haltern für ein phasenisolationspapier |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2878068A2 true EP2878068A2 (de) | 2015-06-03 |
Family
ID=48745926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13733271.4A Ceased EP2878068A2 (de) | 2012-07-03 | 2013-06-27 | Spulenträger mit integrierten haltern für ein phasenisolationspapier |
Country Status (5)
Country | Link |
---|---|
US (1) | US9729021B2 (de) |
EP (1) | EP2878068A2 (de) |
CN (1) | CN104521112B (de) |
DE (1) | DE102012211468A1 (de) |
WO (1) | WO2014005911A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10131042B2 (en) | 2013-10-21 | 2018-11-20 | Milwaukee Electric Tool Corporation | Adapter for power tool devices |
JP6630710B2 (ja) * | 2017-10-05 | 2020-01-15 | 本田技研工業株式会社 | 回転電機のステータ及び絶縁紙 |
CN111527667B (zh) * | 2017-12-26 | 2022-10-25 | Lg伊诺特有限公司 | 定子及包括该定子的电机 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69636590T2 (de) * | 1995-06-07 | 2007-08-16 | Matsushita Electric Industrial Co., Ltd., Kadoma | Stator eines Motors und dessen Herstellung |
DE102007038848A1 (de) * | 2007-08-16 | 2009-02-19 | Dorma Gmbh + Co. Kg | Spulenkörper für einen Linearmotor-Stator für eine automatische Tür |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60144135A (ja) | 1983-12-29 | 1985-07-30 | Matsushita Electric Ind Co Ltd | 永久磁石回転子型同期モ−タ |
US20020149281A1 (en) | 2001-04-17 | 2002-10-17 | Moteurs Leroy-Somer | Stator for an electric machine |
JP3736466B2 (ja) | 2002-02-07 | 2006-01-18 | 株式会社デンソー | 磁石発電機 |
KR100595552B1 (ko) | 2004-03-31 | 2006-07-03 | 엘지전자 주식회사 | 연결형 보빈, 이를 구비한 모터의 고정자 및 그 제조방법 |
JP2006320136A (ja) * | 2005-05-13 | 2006-11-24 | Mitsubishi Electric Corp | 回転電機の固定子 |
DE102005050987A1 (de) * | 2005-10-25 | 2007-05-03 | Zf Friedrichshafen Ag | Stator für eine elektrische Maschine |
GB0817900D0 (en) * | 2008-09-30 | 2008-11-05 | Switched Reluctance Drives Ltd | Slot wedges for electrical machines |
JP5297364B2 (ja) * | 2009-12-17 | 2013-09-25 | アイチエレック株式会社 | 電動機 |
DE102010042677A1 (de) | 2010-08-17 | 2012-02-23 | Robert Bosch Gmbh | Elektrische Maschine |
DE202010014425U1 (de) | 2010-10-20 | 2011-01-20 | Robert Bosch Gmbh | Isolierendes Halteelement für Phasenpotential-Schienen |
-
2012
- 2012-07-03 DE DE102012211468.8A patent/DE102012211468A1/de not_active Withdrawn
-
2013
- 2013-06-27 EP EP13733271.4A patent/EP2878068A2/de not_active Ceased
- 2013-06-27 CN CN201380035583.5A patent/CN104521112B/zh not_active Expired - Fee Related
- 2013-06-27 US US14/412,999 patent/US9729021B2/en active Active
- 2013-06-27 WO PCT/EP2013/063465 patent/WO2014005911A2/de active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69636590T2 (de) * | 1995-06-07 | 2007-08-16 | Matsushita Electric Industrial Co., Ltd., Kadoma | Stator eines Motors und dessen Herstellung |
DE102007038848A1 (de) * | 2007-08-16 | 2009-02-19 | Dorma Gmbh + Co. Kg | Spulenkörper für einen Linearmotor-Stator für eine automatische Tür |
Non-Patent Citations (1)
Title |
---|
See also references of WO2014005911A2 * |
Also Published As
Publication number | Publication date |
---|---|
CN104521112B (zh) | 2017-06-09 |
CN104521112A (zh) | 2015-04-15 |
US9729021B2 (en) | 2017-08-08 |
WO2014005911A2 (de) | 2014-01-09 |
WO2014005911A3 (de) | 2014-10-16 |
DE102012211468A1 (de) | 2014-01-09 |
US20150171692A1 (en) | 2015-06-18 |
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