CN109428411A - Stator pieces group for motor - Google Patents
Stator pieces group for motor Download PDFInfo
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- CN109428411A CN109428411A CN201810995346.8A CN201810995346A CN109428411A CN 109428411 A CN109428411 A CN 109428411A CN 201810995346 A CN201810995346 A CN 201810995346A CN 109428411 A CN109428411 A CN 109428411A
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- Prior art keywords
- thin slice
- stator pieces
- pieces group
- type
- region
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to one kind to be used for motor, particularly for the stator pieces group of electric notor, with multiple single sheets, wherein, each of thin slice at peripheral edge margin there is at least one to keep protrusion, the especially four holding protrusions being distributed on periphery, wherein, each holding protrusion has for across guidance immobilising device, the especially recess of screw element, wherein, thin slice is stacked into stator pieces group and by corresponding to each other in the peripheral edge margin of stator pieces group the holding protrusion of lamination forms the holding area of at least one substantial axial extension, especially form four holding areas axially stretched being distributed on periphery.Coolant flow is enhanced in the following manner, that is, there is holding area at least one to be used for the cavity across guiding coolant.Thus holding area can be flowed by coolant.The coolant flowing on the surface of stator pieces group is not equally obstructed or turns to as a result, and additionally effectively cools down the inner peripheral of holding area.
Description
Technical field
Motor is used for the present invention relates to a kind of feature of preamble according to Patent right requirement 1
(Elektromaschine), particularly for the stator pieces group of electric notor (Elektromotor)
(Startorlamellenpaket)。
Background technique
Particularly for using the power in the hybrid drive train (Hybrid-Antriebsstrang) of motor vehicle powerful
Motor in the case where, need effectively to export heat be formed by by the operation of motor or needs cooling motor, in order to protect
Motor or its component and/or existing attachment (Anbauteile) are protected from overheat.
Cooling most different principles are become known for this in the prior art.In addition to pure gas or air cooled
Except motor, it is also known that the cooling motor of the cooling and combined gas-liquids of liquid.
Common typically for the cooling motor of all liq, they have at least in the shell of motor for cold
But the coolant inflow part and coolant outflow portion of agent.Coolant, especially cooling oil are by means of coolant pump via coolant flow
Enter and is distributed in different ways in the inside for the shell that portion is transported to motor and and then in the inside of the shell of motor.
In addition, it is known in the art that coolant is via the cooling in order to which cooling settings have cooling duct in housing wall portion
Channel reaches surface or circumferential surface until the stator pieces group being torsionally connected with the shell of motor.And then, heating
Coolant is from coolant reservoir (K ü hlmittelsumpf, otherwise referred to as cryogen tank) via coolant outflow portion from motor
Inside is extracted and especially via heat exchanger and/or coolant circulation device (the K ü of other outside
Hlmittelkreislauf it) is cooled again.
The present invention is by it in the prior art, it is known that it is a kind of for motor, it is thin particularly for the stator of electric notor
Piece group, wherein stator pieces group has multiple single sheets, and each stack of sheets is at stator pieces group.It is every in thin slice
There are four the holding protrusions being distributed on periphery for a tool at peripheral edge margin.Protrusion is kept to be respectively provided with again for across drawing
Lead the recess (Ausnehmung) of immobilising device, especially screw element.So existed by the holding protrusion for the ground lamination that corresponds to each other
The holding area substantially stretched in the axial direction is configured at the peripheral edge margin of stator pieces group, i.e., four herein in periphery
Holding protrusion structure that is upper, especially being set and being stacked with the holding area stretched in the axial direction that 90 ° of degree angular spacings are opened
It makes.
Thus, for example a kind of motor as known to 2012/0049668 A1 of file US, wherein in the housing wall portion of motor
It is configured with " distributor item (Verteilerleiste) " for coolant extended on the axial length of motor.From outside
Multiple shell breaches are led to by distributor item via the coolant flow that distributor item conveys and resolve into multiple portions
Stream.Via setting or construct channel in the inside of the housing wall portion of motor by least one portion stream guide to torsionally with
The surface for the stator pieces group that the shell of motor is connected.It the channel being arranged in the inside of the housing wall portion of motor thus can diameter
It is arranged to ground around stator pieces group.In order to improve cooling efficiency, the exposed surface of stator pieces group this be externally provided with least
Same surface structuration (Oberfl chenstrukturierung).These surface structurations can help to exist coolant flow
It is guided on the surface of stator pieces group along outer peripheral edge.
A kind of motor as known to 10 2,013 109 136 A1 of file DE is controlled via coolant distributor to motor
Inside in coolant input.Via distributor, coolant via the different channels in the shell of motor reach windings,
It the end of bearing and reaches in the surface for the stator pieces group being torsionally connected with the shell of motor along outer peripheral edge
At the slot of extension or in.Alternatively, slot is can also be provided at thus in the shell of motor.Thus slot constructs coolant guiding channel,
Between its shell that motor is set and the outer peripheral edge of stator pieces group.It different is radially stretched by slot in addition, being provided with
Thus coolant can be advanced in the inside of stator pieces group by the hole prolonged or the channel radially stretched, and then thus
Reach the coil being arranged in the inside of stator pieces group.In addition, coolant by slot or channel and can be opened with being caused by gravity
Mouth is flowed downward out and is converged in coolant reservoir, and external cooling cycle is and then transported to via coolant outflow portion
It is cooled at device and again.
A kind of oil cooled motor as known to 88,/04 857 A1 of file WO, wherein coolant flow is guided through setting
Slot in the housing.Slot widely surrounds the region extension for the stator pieces group being torsionally connected with the shell of motor and phase
The inside of motor is sealed by means of the casing at the inner wall part for the shell for being present in motor.Thus coolant flow does not have
With directly contacting for the surface of stator pieces group.
The present invention is by the stator pieces group above-mentioned known in the prior art it however not yet most preferably
Construction.Thus while coolant flow can be targetedly delivered to stator pieces group, especially from top to stator pieces group or
Person is guided downwards by the shell of motor, however not all areas, pass through especially along the periphery on the surface of stator pieces group
Therefore coolant flow does not reach.Therefore it is possible that stator pieces group be located at external peripheral region or outer peripheral edge
The holding area (the effective heat bridge of function of its shell for being also constructed to motor) stretched on axial direction is in unexpected direction
Upper export coolant flow, wherein so these holding areas itself and stator pieces group at this radially and/or extensively
The adjacent region in ground is not sufficiently cooled still.Thus it can be constructed at the shell of motor and at stator pieces group so-called
" hot spot (Hot Spots) ".Therefore, the cooling of stator pieces group does not construct most preferably yet.
Summary of the invention
Therefore, the task that the present invention is based on is, is designed in this way or improves the present invention now and mentioned by the beginning it
The stator pieces group that arrives especially also is reduced so that coolant flow is improved in a manner of simple and cost-effective with form from fixed
Sub- thin slice group to motor shell heat transmitting, and/or prevent it is at the shell of motor and so-called at stator pieces group
" hot spot ".
The task that the present invention is based on now for for the stator pieces group being initially mentioned with the spy of Patent right requirement 1
Sign is to solve.
There are multiple single sheets for motor, particularly for the stator pieces group of electric notor, especially more than 200 thin
Piece.
In addition, each of thin slice at peripheral edge margin have at least one keep protrusion, especially four on periphery
The holding protrusion of distribution.Protrusion is kept preferably respectively to arrange or be arranged with offseting each other with 90 °.Each holding protrusion
Furthermore have for the recess across guidance immobilising device, especially screw element.It is thin that the thin slice individually arranged is stacked into stator
Piece group.In addition, so by corresponding to each other in the peripheral edge margin of stator pieces group or the consistently holding protrusion cage structure of lamination
At least one holding area substantially stretched in the axial direction, especially four being distributed, in the axial direction on periphery
By keeping protrusion cage structure accordingly, they are preferably respectively offset each other with 90 ° the holding area of extension.
At least one holding area especially each has at least one for wearing now by the holding area of constructed by lamellae
Cross the cavity of guiding coolant.One or more holding areas can be flowed by coolant as a result,.In the outer peripheral edge of stator pieces group
Thus coolant flow on face is not obstructed instead of or inefficiently (uneffizient) is exported, and holding area and stator are thin
Radial and/or widely adjacent region at this of piece group is cooled efficiently.Thus also in motor and stator pieces groups
At the shell being torsionally connected/in and avoid so-called " hot spot " in stator pieces group itself.Preferably, by basis
Stator pieces group of the invention or motor application drive in system using in the combination drive for motor vehicle.Motor can also be therewith
It is correspondingly configured to the clutch of hybrid drive train or the component of transmission mechanism.Stator pieces group be arranged in the shell of motor or
Can also be directly integrated be mounted in clutch housing herein or place or transmission mechanism shell in/place.
Holding area by means of the holding protrusion cage structure of thin slice can especially pre-assembled stator pieces group or make thin
Piece is correspondingly oriented each other and/or lamination or correspondingly clamps.So, by keeping the corresponding recess of protrusion by fixator
Part, especially screw element pass through plug, so as to which each thin slice is clamped against one another at stator pieces group.
Holding area, especially each holding area especially have a plurality of cavities now.Cavity is especially configured through holding
The through channel in region, or, in other words, through channel extends through corresponding guarantor especially along the periphery of stator pieces group
Hold region.Since the construction of a plurality of cavities or multiple through channels can also correspondingly further increase cooling effect.
Through channel enter opening and/leave opening substantially arrange or be arranged in stator pieces group outside periphery
In plane, ensure that the uncrossed of coolant flows in and out from there through corresponding holding area.Thus coolant can base
The whole surface that the outer peripheral edge of stator pieces group is reached in sheet, thus can be improved cooling efficiency.
Each, especially determining thin slice has at least one open region, especially extremely in the region for keeping protrusion
A few long hole.Preferably, long hole is arranged or constructed to consistent with the periphery plane of the outside of thin slice group.The thin slice of each lamination
Long hole at least one cavity or through channel are thus constructed in holding area in the stator pieces group of lamination, the cavity or
Through channel extends through holding area.This allows to be explained in more detail below now:
In order to construct the thin slice that stator pieces group is provided with different types of thin slice, the thin slice of the especially first kind, Second Type
With the thin slice of third type.
Corresponding thin slice is basically by thin slice, especially in the moulding that keeps cavity or long hole in protrusion and fixed
It mutually distinguishes position.Thus at least one cavity can be most preferably constructed in holding area or at least one passes through guiding channel, especially
A plurality of cavities and/or through channel are constructed, and correspondingly also optimizes the trend of coolant flow.
It can also so influence to cool down with positioning by the specific moulding of cavity or long hole in holding protrusion accordingly
Stream, especially residence time (Verweilzeit) of the coolant in the holding area of the stator pieces group of lamination, so that improving logical
The heat absorption of supercooling agent.
There is the thin slice of the first kind only one be used in the region for keeping protrusion accordingly across guidance fixator
The recess of part.Preferably, the thin slice of the first kind is arranged in the stator pieces group of lamination as corresponding outmost thin slice.
The thin slice of Second Type (thin slice of such as first kind) in the region for keeping protrusion accordingly has for wearing
Cross the recess of guidance immobilising device.In addition, the thin slice of Second Type is thin in order at least partly be constructed through stator in lamination
The through channel of holding area in piece group and it is additionally separated by the region of bridge part shape respectively at least two
Open region.Open region especially with the periphery plane of the outside of the thin slice group of lamination it is substantially consistent position.Especially
Ground, at least two open regions are implemented as slot-type.Thus so also in the holding area of thin slice group realize cavity or
The entrance of through channel and/or leave opening.Open region can also construct and/or be arranged to sealing and/or slit mouth and/or
Drilling.
The thin slice (thin slice of such as first kind and the thin slice such as Second Type) of third type has for solid across guidance
Determine the recess of device.In the region of the corresponding holding protrusion of the thin slice of third type, worn least for partly construction
Cross the through channel of the holding area of the stator pieces group of lamination and be configured with additionally at least one by least two bridge joint
The open region that the region of portion's shape at least partly limits.In particular, open regional structure is at slot-type.It is same herein
It is possible that such as in the case where the thin slice of Second Type, also set up and/or be configured with as open region sealing and/or
Slit mouth and/or drilling.
The thin slice of Second Type and the thin slice of third type are in order to form the stator pieces group of lamination especially alternately mutually
Arrangement, thus the corresponding open region by the thin slice of Second Type and the open area of the thin slice by third type
Domain is formed and/or limitation through channel.Preferably, the thin slice of multiple Second Types and the thin slice of multiple third types are total respectively
With lamination or it is unified into corresponding part layer, so that it is determined that the open area coincidence of the thin slice of type and so corresponding part
Layer is arranged alternating with each otherly.This especially additionally depends on the corresponding specific thicknesses of corresponding thin slice.Pass through the corresponding thin of lamination
The quantity and thickness of piece so limit or determine the width of through channel.
In the case where having the thin slice of relatively small thickness, then the part layer and third type of the thin slice of especially Second Type
Thin slice part layer common alternately such lamination again, thus the open region of the thin slice of Second Type and third type
The open region of thin slice is overlapped respectively.Therefore, then through channel passes through the phase of the thin slice of Second Type in holding area
The corresponding open region of the thin slice in the open region and third type answered is formed.In particular, thus so in holding area
Construction is around corresponding bridge part in corresponding thin slice " through channel for extension of wriggling " in domain.It thus so can also be correspondingly
Cooling stream, especially residence time of the coolant in the holding area of the stator pieces group of lamination are influenced, is passed through in order to improve
The heat absorption of coolant and in order to avoid so-called " hot spot ".
The result is that still avoiding the shortcomings that beginning describes now and having obtained corresponding advantage.
Detailed description of the invention
Exist now it is a variety of in an advantageous manner with form design and improve the feasible of stator pieces group according to the present invention
Property scheme.To this permission with reference first to coming the subsequent Patent right requirement of Patent right requirement 1.Allow below with reference to the accompanying drawings
The preferred design scheme of of the invention one is explained in more detail with the description to this subordinate.In the accompanying drawings:
Fig. 1 shows one of the stator pieces group of lamination with the view of schematical fragmentary perspective with preferred embodiment
Point,
Fig. 2 shows a part (class of the stator pieces group of lamination with the view schematically had an X-rayed with preferred embodiment
It is similar to Fig. 1), however without other component, however with the part being respectively formed shown with the thin slice by different determinations
Layer,
Fig. 3 a partially shows the thin slice of the first kind or the first kind of thin slice, especially with schematical view with top view
Protrusion is kept,
Fig. 3 b partially shows the thin slice of Second Type or the Second Type of thin slice, especially with schematical view with top view
Protrusion is kept,
Fig. 3 c partially shows the thin slice of third type or the third type of thin slice, especially with schematical view with top view
Protrusion is kept,
Fig. 4 partially shows the stator pieces of the lamination from Fig. 1 and Fig. 2 with schematical Section View from top cutting
Group, especially holding area.
Reference signs list
1 stator pieces group
2 thin slices
The thin slice of the 2a first kind
The thin slice of 2b Second Type
The thin slice of 2c third type
3 keep protrusion
3a holding area
4 keep the recess across guidance immobilising device that is used for of protrusion
The recess of 4a holding area
5 cavitys
Through channel in 5a holding area 3a
Enter opening in 5b holding area 3a
Opening is left in 5c holding area 3a
6 bridge parts, the region of bridge part shape
Open region in 7 thin slices 2
The open region of the thin slice 2 of 7b Second Type 2b
The open region of the thin slice 2 of 7c third type 2c
First part's layer of the thin slice 2 of 8a first kind 2a
In the second part of the thin slice 2 of 8b Second Type 2b
The Part III layer of the thin slice 2 of 8c third type 2c.
Specific embodiment
Fig. 1,2 and Fig. 4 are schematically at least partly shown for motor (not shown in detail), particularly for not detailed
The stator pieces group 1 of the electric notor shown.What should be identified is a section of the stator pieces group 1 of annular laminated respectively, by
Various pieces different thin slice 2 or 2a, 2b, 2c building.
It is good by Fig. 1,2 and 4 it is seen that, be arranged to stator pieces group 1 to 2 lamination of thin slice, and in the periphery of thin slice 2
It is provided with and/or is configured at region and keep protrusion 3, wherein is so right each other by the peripheral edge margin in stator pieces group 1
Answer ground or consistently lamination holdings protrusion 3 construct at least one substantially stretch in the axial direction holding area 3a,
The especially holding area 3a that is distributed on periphery of a total of four herein.
Fig. 3 a, 3b and 3c show different types of thin slice 2, that is, the thin slice 2a of first kind 2a, Second Type 2b it is thin
The thin slice 2c of piece 2b and third type 2c, or, the thin slice 2 of the thin slice 2 of first kind 2a, Second Type 2b and third type 2c
Thin slice 2.Respective type 2a, the corresponding thin slice 2 of 2b, 2c, particular with holding protrusion are shown to cutting into 3c in Fig. 3 a
Portion 3.It is corresponding that protrusion 3 is kept to be respectively provided with the recess 4 for passing through guidance immobilising device.
Here, what can well be identified by Fig. 1 and 2 is by the stator pieces group 1 of corresponding 2 lamination of thin slice, wherein corresponding
The holding protrusion 3 of thin slice 2 so construct holding area 3a herein, and wherein, holding area 3a is corresponding by thin slice 2
Recess 4 so have formed recess 4a.
It can also well identify, holding area 3a has multiple skies for across guiding coolant or coolant flow
Chamber 5.Make stator pieces group 1 by immobilising device (not shown) or each thin slice 2 is clamped against one another or pre-assembled and/or is fixed on shell
In body.Motor can also be the component part of the unshowned transmission mechanism of the combination drive driving system for motor vehicle.Stator
Thin slice group 1 can be so installed in clutch housing or transmission mechanism shell with being directly integrated.Motor especially has such as lower case,
It is disposed with stator pieces group 1 wherein.
The shortcomings that avoiding beginning to describe in the following manner first now, that is, holding area 3a is used for at least one
Across the cavity 5 of guiding coolant.Holding area 3a especially has multiple cavitys 5 for across guiding coolant.Thus it keeps away
Exempt from the shortcomings that being initially mentioned and realizes corresponding advantage of beginning form already mentioned above.
The holding area 3a substantially stretched in the axial direction has multiple for across guiding coolant or coolant
The cavity 5 of stream.Thus holding area 3a can be flowed by coolant.Coolant or coolant flow are in the outer peripheral edge of stator pieces group 1
Surface on be not thus obstructed or turn to, and the holding area 3a furthermore flowed through by coolant is equally effectively cold
But, being adjacent to radial holding area 3a at or abutting in peripheral direction for stator pieces group 1 is especially also effectively cooled down
Region.
In addition, the preferred embodiment for stator pieces group 1 is allowed to make the scheme of being implemented as follows from now on:
Fig. 1 shows the one of the stator pieces group 1 of annular formed by each thin slice 2 or lamination with schematic perspective view
Part.That can well identify is the holding area 3a with a plurality of cavities 5.Except through the formation of corresponding recess 4 of thin slice 2
Recess 4a except, in order to pass through guidance immobilising device also partly visible cavity 5a or through channel in holding area 3a
5 enter is open 5b and/or leaves opening 5c, they are substantially arranged or be arranged in the outer peripheral edge plane of stator pieces group 1.
Therefore ensure that coolant passes through holding area 3a and flows in and out along the uncrossed of outer peripheral edge of stator pieces group 1.With
" substantially " this statement especially indicates, cavity 5 or through channel 5a are so arranged and/or constructed, i.e., " substantially " flatwise
(liegend) it constructs in external periphery plane, so that it is guaranteed that the coolant flow of the outer peripheral edge along stator pieces group 1, such as
As passing through shown by arrow substantially in Fig. 1.In other words, therefore is cavity 5 or through channel 5a, which are constructed, keeping
In the region of the inner radial of region 3a, the periphery for the outside so substantially mentioned before stator pieces group 1 herein is flat
In the height in face.
Fig. 2 shows one of the stator pieces group 1 of the annular of lamination like that similar to Fig. 1 with schematic perspective view
Divide, especially holding area 3a.It can well identify herein, holding area 3a has a plurality of cavities 5.In addition to for across drawing
(immobilising device is not shown) is led except the recess 4a of immobilising device, herein also it can be seen that being especially configured to pass through in holding area 3a
The cavity 5 of circulation passage 5a leaves opening 5c, especially arranges or constructs in the outer peripheral edge plane of stator pieces group 1.Together
Sample is it is readily apparent that by corresponding 2 formations of thin slice layering 8 or part layer 8a, 8b, 8c, they are by corresponding inhomogeneity
The thin slice 2 of type is composed, this also allows to be explained in more detail below.
Fig. 1 and 2 particularly illustrate leaves opening 5c, wherein enter opening 5b such as especially as Fig. 4 apparently structure
Make holding area 3a so with respect to and on the side set, the holding area in fig 1 and 2 herein therefore but show with being not apparent from
Out.
Part layer 8 or 8a, 8b and 8c shown in figure 2 are obtained by each thin slice 2, wherein part layer 8a is by Fig. 3 a
The formation of thin slice 2 of the first kind 2a shown, the thin slice 2 of part layer 8b Second Type 2b as shown in Fig. 3 b are formed, and
Layer 8c thin slice 2 of third type 2c as shown in Fig. 3 c in part is formed.The construction of corresponding part layer 8 depends on corresponding thin
The corresponding specific thicknesses of piece 2 (2a, 2b, 2c).It is also envisaged that corresponding thin slice 2 have it is corresponding thicker specific
Thickness, from without absolutely by identical 2 forming portion of thin slice layering 8, but especially thin slice 2b and 2c, i.e. Second Type 2b's is thin
The thin slice 2 of piece 2 and third type 2c can be alternating with each other in the internally positioned region of holding area 3a lamination each other.This point
It Qu Jueyu not the corresponding specific embodiment of stator pieces group 1 or the corresponding thickness of corresponding thin slice 2 (2a, 2b, 2c).
Fig. 3 a to Fig. 3 c shows corresponding thin slice 2, what they were constructed differently to now.
Therefore, the thin slice 2 of first kind 2a is shown in fig. 3 a, may recognize that the thin slice of Second Type 2b in fig 3b
2 and it may recognize that the thin slice 2 of third type 2c in figure 3 c.
It is solid across guidance that there is the thin slice 2 of the first kind 2a only one to be used in the region for keeping protrusion 3 accordingly
Determine the recess 4 of device (not shown).The thin slice 2 of first kind 2a is outstanding in the case where stator pieces group 1 (referring to Fig. 2) of lamination
It is arranged as corresponding outmost thin slice 2.
The thin slice 2 of Second Type 2b has in the region for keeping protrusion 3 for (not showing across guidance immobilising device
Recess 4 out).It can additionally be identified to partly construct cavity 5 in holding area 3a or through channel 5a (referring to Fig. 4)
Two open region 7b out.Open region 7b is substantially in the outer peripheral edge of the thin slice 2 of Second Type 2b or in outside
Periphery plane height on position or construct herein keep protrusion 3 corresponding marginal zone (Randzone) in.It opens wide
Region 7b pass through the region 6 of bridge part shape respectively or bridge part 6 is separated from each other.Open region 7b is especially implemented as slot-type
's.By the thin slice 2 of Second Type 2b, construction cavity 5 or perforation especially in the stator pieces group 1 of lamination (referring to Fig. 1 or 2)
Entering opening 5b and/or leaving for channel 5a (referring to Fig. 4) is open 5c (referring to Fig. 1).
The thin slice 2 of third type 2c is schematically shown with top view in figure 3 c.What be may recognize that is corresponding
It keeps in the region of protrusion 3 for the recess 4 across guidance immobilising device (not shown).In order at least partly construct cavity 5
Or through channel 5a (referring also to Fig. 4) may recognize that open region 7c.Open region 7c is substantially positioned or is constructed herein
In the centre of the holding protrusion 3 of thin slice 2c.Open region 7c passes through the region 6 of at least two bridge part shapes at least partly
It is limited towards the marginal zone of holding protrusion 3.Open region 7c is especially implemented as long hole and/or is radially positioned in outside
In the height of periphery plane.By the thin slice 2 of third type 2c, especially in the stator pieces group 1 (referring also to Fig. 1) of lamination
Construct cavity 5 or through channel 5a to holding area 3a (referring also to Fig. 2) inner part (referring also to Fig. 4).
Fig. 4 now illustrates a part of the stator pieces group 1 of lamination, such as especially it is shown in fig. 2, in holding area 3a
Sectional view in.Cavity 5 or through channel 5 in holding area 3a are particularly illustrated herein.
It can be good it is seen that through channel 5 " is wriggled around the bridge part 6 formed by corresponding thin slice 2 in Fig. 4
Ground " extension.
It also may recognize that, the thin slice 2 of first kind 2a is arranged to outmost thin slice 2 respectively herein, and/or constructs
Outmost first part's layer 8a.It adjacently may recognize that second part layer 8b with this, by 2 shape of thin slice of Second Type 2b
At.It also may recognize that, there are two open region 7b in the layer 8b of part.Open region 7b is substantially in the second class
It is positioned on the outer peripheral edge of the thin slice 2 of type 2b at the fringe region of protrusion 3 (referring to Fig. 3 b).Open region 7b difference
It is separated by the region 6 of bridge part shape or bridge part 6.By the thin slice 2 of Second Type 2b especially in the stator pieces group 1 of lamination
It is middle construction through channel 5 enter opening 5b and/or leave opening 5c.
It is adjacent at second part layer 8b, may recognize that another part layer 8c.Part layer 8c by third type 2c thin slice 2
It is formed.What also be may recognize that is unlimited region 7c.Open region 7c substantially construct third type 2c thin slice 2 it is outer
On periphery or in external periphery plane and it is positioned within the centre of protrusion 3 (referring also to Fig. 3 c).Open region 7c
Marginal zone by the region 6 of two bridge part shapes at least partly relative to holding protrusion 3 or holding area 3a is limited.
By the thin slice 2 of third type 2c constructed especially in the stator pieces group 1 of lamination in holding area 3a inner part cavity 5 or
Through channel 5a.
Can well identify, especially first kind 2a, multiple thin slices 2 of Second Type 2b and third type 2c it is thin
Piece 2 can be alternately arranged with each other or be alternately arranged with each other to form the stator pieces group 1 of lamination.
Therefore, the thin slice 2 of especially multiple first kind 2a is unified into first part layer 8a, the thin slice of multiple Second Type 2b
2 are unified into second part layer 8b, and the thin slice 2 of multiple third type 2c is unified into Part III layer 8c.Second part layer 8b and
Three parts layer 8c so and alternately lamination or joint and substantially constructs stator pieces group together with external part layer 8a
1.It is also contemplated that part layer 8a, 8b and 8c for being shown in FIG. 4 herein be respectively by the corresponding thin slice 2a of only one,
2b, 2c are formed.This depends on corresponding thin slice 2a, the corresponding specific thicknesses of 2b, 2c.
Claims (10)
1. it is a kind of for motor, particularly for the stator pieces group (1) of electric notor, have multiple single sheets (2), wherein institute
Each of thin slice (2) is stated to divide on the periphery at peripheral edge margin at least one holding protrusion (3), especially four
The holding protrusion (3) of cloth, wherein there is each holding protrusion (3) at least one to be used for across guidance immobilising device, especially
The recess (4) of screw element, wherein the thin slice (2) is stacked into the stator pieces group (1) and by thin in the stator
Correspond to each other at the peripheral edge margin of piece group (1) ground lamination holding protrusion (3) form at least one in a substantially axial direction
The holding area (3a) of extension especially forms four holding areas (3a) being distributed on the periphery, which is characterized in that described
There is holding area (3a) at least one to be used for the cavity (5) across guiding coolant.
2. stator pieces group according to claim 1, which is characterized in that the holding area (3a) has a plurality of cavities
(5)。
3. stator pieces group according to claim 1 or 2, which is characterized in that the cavity (5) is configured to especially substantially
The through channel (5a) of the holding area (3a) is passed through along outer peripheral edge extension.
4. stator pieces group according to any one of the preceding claims, which is characterized in that the cavity (5), which has, to be entered
Opening and is left opening (5c) (5b), and the cavity (5) enter be open (5b) and/or leave opening (5c) be arranged or
This construction is in the outer peripheral edge plane of the stator pieces group (1).
5. stator pieces group according to any one of the preceding claims, which is characterized in that each thin slice (2) is in the guarantor
Holding in the region of protrusion (3) has at least one open region (7,7b, 7c), especially at least partly has long hole.
6. stator pieces group according to any one of the preceding claims, which is characterized in that in order to construct the lamination
Stator pieces group (1) is provided with the thin slice (2) of the first kind (2a), the thin slice (2) of Second Type (2b) and third type (2c)
Thin slice (2).
7. stator pieces group according to any one of the preceding claims, which is characterized in that the first kind (2a)
Thin slice (2) is used for the recess (4) across guidance immobilising device with only one in the region for keeping protrusion (3) accordingly,
And as outmost thin slice (2) arrangement respectively in the case where stator pieces group (1) of lamination.
8. stator pieces group according to any one of the preceding claims, which is characterized in that the Second Type (2b)
Thin slice (2) has in the region for keeping protrusion (3) accordingly for the recess (4) across guidance immobilising device, and
In order at least partly construct cavity (5) in the corresponding region for keeping protrusion (3), additionally there is at least two, difference
Pass through the separated open region (7b) in the region (6) of bridge part shape, the open region (7b) of two outstanding slot-type.
9. stator pieces group according to any one of the preceding claims, which is characterized in that the third type (2c)
Thin slice (2) has in the corresponding region for keeping protrusion (3) for the recess (4) across guidance immobilising device, and
And additionally have at least one in the corresponding region for keeping protrusion (3) in order at least partly construct cavity (5)
A, the open region (7c) that is at least partly limited by the region (6) of at least two bridge part shapes, especially slot-type is spacious
The region (7c) opened.
10. stator pieces group according to any one of the preceding claims, which is characterized in that the Second Type (2b)
Thin slice (2) and the thin slice (2) of the third type (2c) alternate such cloth to form the stator pieces group (1) of lamination
It sets, so that the cavity (5) for being at least partly constructed to through channel (5a) passes through described second in the holding area (3a)
The corresponding open region (7b, 7c) of the thin slice (2) of the thin slice (2) and the third type (2c) of type (2b) is formed, and/
Or corresponding thin slice (2) is unified into part layer (8) and corresponding alternately lamination.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017215090.4A DE102017215090A1 (en) | 2017-08-29 | 2017-08-29 | Stator disc pack for an electric machine |
| DE102017215090.4 | 2017-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109428411A true CN109428411A (en) | 2019-03-05 |
| CN109428411B CN109428411B (en) | 2021-06-08 |
Family
ID=65321106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810995346.8A Active CN109428411B (en) | 2017-08-29 | 2018-08-29 | Stator lamination group for electric machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109428411B (en) |
| DE (1) | DE102017215090A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111799902A (en) * | 2019-04-02 | 2020-10-20 | 大众汽车有限公司 | Electric machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019204679A1 (en) * | 2019-04-02 | 2020-10-08 | Volkswagen Aktiengesellschaft | Electric machine |
| DE102021100847A1 (en) | 2021-01-18 | 2022-07-21 | Schaeffler Technologies AG & Co. KG | electrical machine |
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2017
- 2017-08-29 DE DE102017215090.4A patent/DE102017215090A1/en active Pending
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| JPS5928847A (en) * | 1982-08-09 | 1984-02-15 | Matsushita Seiko Co Ltd | Core for motor |
| EP0847125A1 (en) * | 1996-12-03 | 1998-06-10 | Minebea Co., Ltd. | An assembled structure having an enlarged heat transfer area for heat radiation therefrom |
| WO2006086816A1 (en) * | 2005-02-17 | 2006-08-24 | Traktionssysteme Austria Gmbh | Stator for an electric drive motor and drive motor with such a stator |
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| CN111799902A (en) * | 2019-04-02 | 2020-10-20 | 大众汽车有限公司 | Electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109428411B (en) | 2021-06-08 |
| DE102017215090A1 (en) | 2019-02-28 |
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