CN104471835B - For permanent magnet to be pre-fixed to the drip molding in rotor or stator, permanent magnet by means of the fixation of hardenable medium and during fixation to the Thermal protection of permanent magnet - Google Patents
For permanent magnet to be pre-fixed to the drip molding in rotor or stator, permanent magnet by means of the fixation of hardenable medium and during fixation to the Thermal protection of permanent magnet Download PDFInfo
- Publication number
- CN104471835B CN104471835B CN201380032426.9A CN201380032426A CN104471835B CN 104471835 B CN104471835 B CN 104471835B CN 201380032426 A CN201380032426 A CN 201380032426A CN 104471835 B CN104471835 B CN 104471835B
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- China
- Prior art keywords
- permanent magnet
- rotor
- stator
- drip molding
- recess
- 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.)
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Classifications
-
- 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
- H02K1/17—Stator cores with permanent magnets
-
- 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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/187—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to inner stators
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
-
- 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
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
Abstract
The present invention relates to a kind of rotor for motor or the drip molding of stator, the drip molding extends concentrically about around axis and has end plate and at least one fixed strip, the fixed strip is arranged on the end plate, and wherein the fixed strip has bearing-surface at it in face of the end of end plate.The invention further relates to a kind of rotor or stator with drip molding for motor.The invention further relates to the rotor or stator for motor, it has matrix, the matrix extends concentrically about around axis and including permanent magnet, the permanent magnet is arranged in the recess of matrix, fixture is wherein disposed with permanent magnet, the fixture has fixed strip and end plate, and fixed strip is arranged on the end plate, and the end plate is transverse to axially extending, wherein the fixture is made up of hardenable medium at least in part.The invention further relates to a kind of method for being used to be fixed on permanent magnet in this rotor or stator.
Description
Technical field
The present invention relates to a kind of drip molding for being used for rotor or stator, it extends concentrically about and had around axis
End plate and at least one fixed strip being arranged on end plate.Turn the invention further relates to a kind of for motor with drip molding
Son and stator.The invention further relates to a kind of rotor or stator for motor, it includes being arranged in the permanent magnet in recess, wherein
Fixture is arranged on permanent magnet, the fixture has fixed strip and end plate.In addition, the present invention relates to for by permanent magnet
The method being fixed in this rotor or stator.
Background technology
Motor is, for example, motor, starter, engine or auxiliary drive, such as is driven for the regulation of automobile
Device.The rotor or stator for becoming known for producing electromagnetic field in this motor are equipped with permanent magnet.Permanent magnet is in this permanent magnetism
Fixation in the motor of excitation independently of permanent magnet geometry and permanent magnet in rotor or stator in other words in rotor
Or the arrangement on stator.
It is for example known in the permanent magnet of spoke-like arrangement that pinched protrusion thing is set on the matrix of rotor or stator, with this
Permanent magnet is radially clamped in its recess by pinched protrusion thing.Majority of case is so clamped so that permanent magnet is thus
Axially simultaneously it is fixed and therefore can not be moved along axis.Here, the permanent magnet be pressed into it is in its recess and non-
Often consumingly load to point-like, this not only can motor period of assembly and also stress can be caused under the service condition in motor
Peak value and cause damage, especially magnet fracture or the scratch of magnet surface and/or its coating.The coating of damage will not be again
Protection permanent magnet prevents from corroding, and/or the damage causes uneven Distribution of Magnetic Field and increased leakage field, so as to increase
The location torque and torque ripple of motor.
In addition, the load of the higher especially point-like of permanent magnet can cause peeling and magnet fracture.It is this peeling and it is broken
Bits can unclamp from permanent magnet and decline out from recess, and then not only influence the operation characteristic of motor, Er Qiehui
Cause the damage of motor or even destroy.
By means of spring element it is also known that fixing means can also cause this higher mechanical load.
File DE 10 2,010 039 334.7 discloses a kind of rotor or stator for motor, and it is in order to by permanent magnet
It is fixed in its recess and will be being inserted with the fixture of individually elasticity, the fixture after arrangement permanent magnet in recess.
The fixture has the clamping characteristics of specific spring performance and/or machinery by its elasticity.Thus, its tensioning permanent magnet it
It is also always sufficiently resilient afterwards, it is special so as to carry out the temperature of compensation member tolerance and permanent magnet via the bandwidth of the temperature of appearance
Property.The fixture is made up of metal or plastics.
Furthermore it is known that the permanent magnet is pasted onto in its recess.But do not know in this method of attaching by permanent magnetism
Whether also enough binding agents are arranged after body insertion recess between the matrix of permanent magnet and rotor or stator.In addition, also may be used
Not paste all face coats, coating permanent magnet is painted for example for preventing from corroding with the surface.
The A1 of file EP 1 921 734 disclose a kind of method being used for by permanent magnet fixation in the rotor, wherein permanent magnetism
Insert to somatasthenia in the recess of rotor and be fixed by inserting plastics, it is dangerous so as to reduce damage.But this
In method, therefore the permanent magnet degaussing and flux loss can occur due to the thermal force during inserting plastics.
The content of the invention
The task of the present invention is to realize a kind of motor and for manufacturing the method for the motor, wherein reducing influence operation
The danger of characteristic or the damage or destruction for even reducing the motor as caused by magnetic scraps and peeling, wherein for permanent magnetism
The demagnetization danger of body is as small as possible, and it has the location torque of as small as possible torque ripple and/or very little,
It wherein can also inexpensively manufacture the motor and can simply be assembled.Another task of the present invention is to realize
It is a kind of to be used to pasting permanent magnet into reliable method of attaching in the rotor of motor or the recess of stator, particularly for by permanent magnetism
Body pastes the method in the recess of radial rotor.
The task is resolved with the drip molding of rotor or stator, the drip molding extended concentrically about around axis and
With end plate and at least one fixed strip, end plate construction circularizes and arranges that the fixed strip is in face transverse to axis
To being disposed thereon on the end of end plate, and the fixed strip has supporting along the axially extending of axis, the wherein fixed strip
Face, fixed strip is at least resisted against on permanent magnet on its end in face of end plate with the bearing-surface, wherein the fixed strip has
There are the lateral arms of two collateral arms and the connection collateral arm.
Below be referred to as first implement flexible program preferred embodiment in set by the present invention drip molding be used for will
Permanent magnet is pre-fixed in the recess of the matrix in rotor or stator.This first implement flexible program in the prefabricated drip molding simultaneously
And the drip molding is inserted in the recess before or after permanent magnet is inserted into recess.It is constructed so as to the implementation flexible program
Drip molding so that permanent magnet can be feebly connected in its recess when it is connected in matrix before drip molding.This hair
Powerless in bright design means that the permanent magnet is not clamped or compressed in assembling, but so insertion, especially insertion or
It is put into so that it does not have mechanical stress as far as possible herein.Thus it is carefully inserted in matrix so that its surface and/or its
Coating will not damage in assembling.
The drip molding has end plate, and the end plate sets transverse to axis and for arranging fixed strip.In addition, the shaping
Part has fixed strip, and the fixed strip reduces the free structure space of recess between permanent magnet and matrix.The fixed strip at least exists
It has a bearing-surface on the side of end plate, and the bearing-surface is radially namely along pre- from the radial direction that sends of axis
Position the permanent magnet.Thus permanent magnet is opposite on the side of drip molding substantially seamless unoccupied place at it and is arranged in recess
In.
By the present invention, the fixed strip also has the lateral arms of two collateral arms and the connection collateral arm.It is described
Collateral arm is preferably along the axially and radially extension of axis, wherein lateral arms also, it is preferred that axially and tangentially prolonging along axis
Stretch.Therefore, the fixed strip is preferably configured as u shapes in cross-section.
Drip molding, the fixed strip of especially drip molding of first implementation flexible program are preferably configured as elasticity.Thus, it has
There is specific spring performance and/or mechanical grip characteristic.It is particularly preferred that it can elastically and/or plastically be deformed.It is preferred that
The drip molding plastic deformation after also there is enough elasticity, by the elasticity overcome restoring force deformed and
Permanent magnet is maintained in its position with restoring force.
It is furthermore preferred that the fixed strip has the groove of the sinking axially extended relative to bearing-surface.The groove is excellent
Choosing is arranged in lateral arms.It is also preferred that the fixed strip has free end also on its side back to end plate,
The surface of subsidence to sink relative to bearing-surface is provided with the free end.The groove and surface of subsidence realize drip molding and inserted
So elastically and/or plastically deformed when entering in recess so that bearing-surface is resisted against on permanent magnet.Thus not only radially and/
Or axially by permanent magnet pre-determined bit in groove, but also the recess is sealed shut in the range of bearing-surface.
By the radial direction pre-determined bit of permanent magnet, the recess that drip molding also causes above the free end of fixed strip is formed
Container, hardenable medium can be inserted in the container, set the medium to be used for the position that permanent magnet is fixed on to its pre-determined bit
In putting.The container, which realizes, inserts specified quantitative hardenable medium in recess.Therefore, this first of the drip molding is real
Applying flexible program and realizing hardenable medium targetedly to guide on permanent magnet.Here, hardenable medium exists
Insert in intermediate space when in recess between drip molding and permanent magnet and/or rotor or the matrix of stator and produce capillary work
With.Because the drip molding reduces the free structure space of recess between permanent magnet and matrix, produced in intermediate space
Very little during the hardenable medium amount of raw capillarity.In addition, the drip molding is sealed shut in the range of bearing-surface
The recess.Thus, hardenable medium does not flow out from recess again.Therefore, " hermetically " this concept the present invention
It is interpreted as in design, prevents outflow of the selected hardenable medium when inserting in container.
In order to which drip molding is more simply inserted in recess, the bearing-surface it is also preferred that at least part ramp shaped prolong
Stretch.In one embodiment, the surface of subsidence preferably extends for this evenly along fixed strip.Here, bearing-surface and sinking
Transitional region between face is configured to oblique, so as to form slope, simplifies permanent magnet by the slope and inserts fixed strip and base
In recess between body, in other words in the recess between drip molding insertion permanent magnet and matrix.But equally there is kind of an embodiment
It is preferable, wherein surface of subsidence is configured to oblique and is consequently formed slope even with respect to bearing-surface.In addition, the collateral arm
Also, it is preferred that being at least partly constructed to ramped shaped and thereby simplify in the drip molding recess of permanent magnet insertion in other words.
It is preferred that the drip molding has multiple tangentially equally distributed fixed strips.It is also provided with this embodiment
End plate is used to be connected bar, from without multiple fixed strips are connected respectively in matrix, but only will uniquely shape
Part is connected to wherein.Being preferred for the drip molding of each permanent magnet includes fixed strip.But in principle it is also contemplated that drip molding
A kind of embodiment, wherein set when multiple permanent magnets are connected in the same recess of the matrix of rotor or stator one it is solid
Determine bar and be used for multiple permanent magnets.
It is referred to as below in the second another preferred embodiment for implementing flexible program, sets and used by the drip molding of the present invention
In permanent magnet being fixed in the recess of matrix of its rotor or stator.In the implementation flexible program, by spraying into or noting
Enter hardenable medium and form the drip molding.The second implementation flexible program equally realizes permanent magnet and is feebly connected to
In its recess.
In the second implementation flexible program, the drip molding also has end plate and fixed strip, and the end plate is transverse to axle
Line sets and is used herein to axial restraint permanent magnet, and the fixed strip axially extends.The end plate by permanent magnet vertically
It is fixed, and the motion of fixed strip limitation permanent magnet radially.This be fixed in the implementation flexible program of permanent magnet is based on shape
Shape is sealed.
The fixed strip of second implementation flexible program equally has two collateral arms and connects the lateral arms of the collateral arm,
Wherein described collateral arm is preferably along the axially and radially extension of axis, and wherein described lateral arms are also, it is preferred that along axis
It is axial and tangentially extending.Therefore, the fixed strip of the implementation flexible program is similarly configured to u shapes in cross-section.
The fixed strip of the drip molding of the second embodiment, especially drip molding is preferably configured as elasticity so that it has
There are the clamping characteristics of specific spring performance and/or machinery.It particularly preferably can equally make its change elastically and/or plastically
Shape.It is preferred that the drip molding also has enough elasticity after plastic deformation, reply is overcome by the elasticity drip molding
Force deformation and permanent magnet is maintained in its position with restoring force.
The drip molding for implementing flexible program has advantages below, i.e., especially in the rotor made of thin slice or stator pack
It is middle that all rotor or stator gather together.
The drip molding of second embodiment, which is particularly preferably this, has two end plates, and the end plate is arranged in fixed strip
Both sides.In order to reduce eddy current loss and by multiple rotors tangentially formed with respect to the rotor or stator component that slightly reverse or
In stator, the rotor of the cover for forming rotor or stator of preferably at least described outside or the drip molding of stator component have end
Face.In this embodiment, the thin slice of the rotor or stator component that are arranged in centre passes through its adjacent rotor or stator component
Axially maintain, or the drip molding of all rotors or stator component constructs integrally.
In the implementation flexible program, it is also preferred that the drip molding has multiple tangentially equally distributed fixed strips, more
Exactly, preferably each permanent magnet has fixed strip.But this drip molding one fixed strip of setting be used for it is multiple forever
The embodiment of magnet is also preferable, if setting the same recess of matrix if multiple permanent magnets.
In addition, the task is resolved with the rotor or stator of motor, the radial rotor especially with matrix, its
Extended concentrically about around axis and the permanent magnet including being arranged in matrix recess, wherein the rotor or stator also include this
Kind drip molding.The drip molding extends concentrically about preferably about same axis.The bearing-surface of the drip molding is preferably provided at fixation
Bar on the side of permanent magnet.First implement flexible program in, with drip molding by permanent magnet pre-determined bit in the base.
This, bearing-surface is preferably abutted against on permanent magnet.In second implements flexible program, it is fixed in recess to its shape sealed, its
In preferably the bearing-surface be at least resisted against in the region of motor on permanent magnet.
In the preferred embodiment of task described in otherwise address, the rotor or stator have to be extended with one heart around axis
Matrix and the permanent magnet that is arranged in matrix recess, wherein arranging fixture on permanent magnet, the fixture has solid
Determine bar, the fixed strip is axially inserted into recess and also has end plate, and fixed strip and the end plate are arranged on the end plate
Transverse to axially extending.
Here, propose the fixture at least in part by hardenable medium, especially by plastics or resin by the present invention
It is made.Thus at least partially with recess described in hardenable Filled Dielectrics.
Hardenable medium refers to be connected to base for example as particle or with forma fluens in the design of the present invention
The material or material blends then hardened in body and just.
In a preferred embodiment, first implements the drip molding for pressing the present invention of flexible program and hardenable medium
It has been collectively form fixture.
In this embodiment it is preferred that the hardenable dielectric material in locking manner with drip molding, permanent magnet and matrix
Connection.It thus ensure that the lasting connection of permanent magnet and matrix.
Because the fixture is resisted against forever with its fixed strip bearing-surface and/or hardenable medium at least part planar
On magnet, so the contact area of planar between fixture and permanent magnet be present so that the surface pressing and folder of fixture
Clamp force planar it is distributed on permanent magnet and the surface pressing of very little can be used to produce larger clamping force.The surface
Pressure is particularly preferred along permanent magnet lasting extension in the contact areas.Surface pressing particularly preferably on permanent magnet
And/or clamping force is constant vertically.
Because the clamping force at least APPROXIMATE DISTRIBUTION is applied to thereon in the length Shangdi of permanent magnet, smaller table
It is sufficient that surface pressure.Therefore preferably spring strength with the ratio for contacting surface is very little.Thus, component tolerance is not only notable
Ground has an impact to clamping force.In addition, thus very carefully clamping permanent magnet and neither in assembling nor in operation bar
Its surface and/or coating are damaged under part.Because not damaging surface and/or the coating of permanent magnet, the magnetic in rotor or stator
Field is evenly distributed.In addition, permanent magnet can also be highly desirable protected to prevent from corroding by the coating of no damage.
It is preferred that the drip molding of the embodiment be made up of plastics, especially Monopox, elastomer or thermoplastic and
Flexible and/or plasticity.Resin or bonding of the hardenable medium preferably by being hardened in ingress of air and/or contacting metal
Dosage form by the binding agent of moulded resin or anaerobism into preferably being formed.Only arrange that drip molding is just realized for pre-fixing permanent magnet
The use of this hardenable medium for fixed permanent magnet.
Permanent magnet is pre-fixed to the use for also achieving magnet surface in the base, magnetic by means of the drip molding by the present invention
Although on the one hand body surface face provides enough anti-corrosion protections to permanent magnet, but on the other hand because its characteristic can not be to machine
Tool stress plays enough protections.This permanent magnet can cost than less expensive manufactured.In the service life phase of motor
Between being fixed in this embodiment of rotor or stator eventually through hardenable medium and itself and permanent magnetism to permanent magnet
The material of body, drip molding and matrix sealed connection is realized.
In another preferred embodiment, the fixture is integratedly formed by hardenable medium.As hardenable
Medium, preferably use plastics herein.In principle it is also contemplated that being manufactured by resin especially moulded resin.But especially
It is preferred that the fixture of the embodiment is formed by thermosetting plastics or thermoplastic.Therefore can with non magnetic, non-conductively
And cost is manufactured very cheaply.
In this embodiment it is also preferred that the fixture has two end plates being parallel to each other, the end plate supports
On the opposed cover for leaning against rotor or stator, and it is connected with each other by fixed strip.Here, fixture is preferably by using can be hard
The medium of change carries out extrusion encapsulation to permanent magnet of the pre-determined bit in recess or double teeming manufactures.It is furthermore preferred that institute
State the end face that there is permanent magnet the cover relative to rotor or stator evenly to set.By end plate, hardenable Jie is being hardened
The permanent magnet is surrounded by fixture after matter.In this embodiment, fixture preferable shape surrounds permanent magnet in locking manner.
Because the end plate is preferably abutted against on the cover of rotor or stator, it is due to loosening plastics and in permanent magnetism
The permanent magnet is yet axially fixed when air gap be present between the matrix of body and rotor or stator.In operating conditions, it is also logical
Cross by permanent magnet outwardly against centrifugal force compensation plastics relaxation.
In the matrix for laminating group, the embodiment of rotor or stator has advantages below, i.e., fixture is by described in
Thin slice group gathers together, so as to after clamping element is arranged can not the thin slice axially movable again, and therefore no longer phase
Mutually rebound.
Turned in order to reduce eddy current loss by what multiple rotors tangentially slightly mutually reversed or stator component were formed
In son or stator, the rotor or stator component of the formation rotor of preferably at least described outside or the cover of stator, which have, carries end face
Fixture, in this embodiment, the thin slice of the rotor or stator component does not have to pass through on the side of end plate in fixture
Adjacent rotor or stator component is maintained vertically.Or the fixture of all rotor or stator component is formed integrally
's.
In the fixture being made into integration by hardenable medium, it is preferably in another embodiment, described solid
Determine arrangement protection component between part and permanent magnet.The protection component is preferably by with the minimum capacity of heat transmission and minimum magnetic conduction ability
Material, be especially made of plastics.Particularly preferably described protection component is made up of thermoplastic or thermosetting plastics.
It is preferred that the protection component is disposed thereon before permanent magnet is inserted into its recess.According to protection component in permanent magnetism
Fixing means on body, but protection component can also be arranged into recess, then permanent magnet is arranged in its recess.
Particularly preferably described protection component is pasted, shunk, sprayed or injected on the permanent magnet.Here, injection or injection
Particularly preferably realize before permanent magnet is arranged into its recess, and also realized before the magnetization of permanent magnet, so as to anti-
The only demagnetization of permanent magnet, because permanent magnet carries out hot loading in the method.The protection component is in injection or injection period
Protection permanent magnet prevents thermal force, especially when thermoplastic is used as into hardenable medium.
In principle as protection component it is also contemplated that anti-corrosion protection part for permanent magnet, the anti-corrosion protection part is in its face
To having enough thickness on the side of fixture bearing-surface.
The end plate preferable configuration circularizes.In a preferred embodiment, the end face of the permanent magnet is completely covered in it.By
This, the chip of permanent magnet out and will not cause operation characteristic uneven on motor or even damage from recess.
Following embodiment is applied to all embodiments described up to now of rotor or stator.
The matrix of the rotor or stator is preferably made the thin slice group being made up of large amount of thin sheets.But the present invention also include by
The complete matrix being integrally formed.In addition, the present invention also includes the matrix made of the base member of multiple arrangements front and rear vertically.
The task is same to be resolved with the motor with this rotor or stator.Motor is, for example, particularly for automobile
Motor, regulation drive device, engine or starter.The task is equally with the motor for including this rotor or stator
Especially synchronous motor is resolved.The task is also resolved with the hand tool of this motor, such as with brill
Hole machine, jigsaw or similar means are resolved.The task also drives dress with the regulation for automobile with this motor
Put, especially steer-drive or the regulation drive device for electric bicycle is resolved.
Method of the task also for permanent magnet is fixed in the rotor or stator of motor is resolved, its transfer
Son or stator have the matrix for carrying the recess for permanent magnet, and methods described has steps of：
- insert permanent magnet in recess,
- by first implement flexible program by the present invention drip molding insertion recess in so that bearing-surface radially and/or
The permanent magnet axially is pre-fixed, and
- insert hardenable medium in the recess.
By first implement flexible program drip molding by the such pre-determined bit of permanent magnet in recess, so as in recess
The matrix of permanent magnet and rotor or stator retains storage area between drip molding in other words.This is realized the hardenable of determination amount
Medium insert in recess so that although hardenable medium is at least in part between permanent magnet and drip molding in other words in base
Capillarity is played in intermediate space between body and drip molding, but will not be flowed out from recess.As hardenable medium,
Resin is preferably used herein.The positioning of permanent magnet in the base is realized by drip molding in the method, passes through hardenable Jie
Matter realizes the fixation of permanent magnet, the medium hardening when preferred material in locking manner and shape sealed with matrix, drip molding with
And permanent magnet is attached.
Methods described has advantages below, i.e. permanent magnet can be inserted feebly in recess, because drip molding is particularly preferably
Only just inserting in recess is inserted in permanent magnet.In addition, so realize the surface of the drip molding so that permanent magnet will not be by
Drip molding damages, such as scratches.In addition, only drip molding be used for seal recess using just realize this resin for will
Permanent magnet is bonded in the use in recess.
Method of the task also for permanent magnet is fixed in the rotor or stator of motor is resolved, and wherein should
Rotor or stator have the matrix for carrying the recess for permanent magnet, and methods described has steps of：
- protection component is arranged on permanent magnet,
- magnetization permanent magnet,
- insert permanent magnet in recess, and
- insert hardenable medium in recess,
Wherein described protection component is at least partially disposed between permanent magnet and hardenable medium.
The protection component is preferably formed by the plastics with the minimum capacity of heat transmission and minimum magnetic conduction ability.Its at least cloth
Put in all on the side of hardenable medium of permanent magnet.Thus, it is carrying out extrusion encapsulation with hardenable medium
Or the permanent magnet is protected to prevent the temperature loading formed herein during double teeming.Because the direction of reducing phlegm and internal heat of spray part is due to protecting component
The minimum capacity of heat transmission do not oriented towards permanent magnet towards instrument and not.Permanent magnet is thereby dramatically reduced to bear by too high temperature
Carry and in extrusion encapsulation or double teeming at least part demagnetization danger.
Particularly preferably protection component is disposed thereon before permanent magnet is inserted in recess.The protection component preferably by
The framework for the spray being positioned on magnet is formed, or is formed also preferably through the coating of permanent magnet.Particularly preferably will protection
Component is pasted, sprays, pours into a mould or is contracted on permanent magnet.Here, the permanent magnet is merely capable of portion according to extrusion encapsulation process
Point ground or on multiple sides by protecting component to be protected, such as on 3 or 4 sides of permanent magnet.Preferred real
Apply in mode, the protection component is disposed thereon before permanent magnet is magnetized so that protecting the arrangement of component will not also cause
Demagnetizing parts.
Brief description of the drawings
The present invention is described below according to accompanying drawing.It is that accompanying drawing is merely exemplary and do not limit overall inventive concept.
Fig. 1 exists（a）In illustrate in perspective view by the present invention drip molding, and（b）In show（a）Middle drip molding
Amplification interception part,
Fig. 2 illustrate in perspective view the rotor with drip molding in Fig. 1,
Fig. 3 shows section of the rotor in drip molding bearing-surface region in Fig. 2,
Fig. 4 shows the section B-B of rotor in Fig. 2,
Fig. 5 exists（a）In illustrate in perspective view by the present invention drip molding another embodiment, which form for turn
The complete fixture being made up of hardenable medium of sub- permanent magnet, and（b）In show（a）The interception portion of middle fixture
Point,
Fig. 6 exists（b）In illustrate in perspective view the complete fixation formed by hardenable medium for rotor permanent magnet
Part,（a）In show have（b）The rotor of middle fixture, and（c）In show（a）The section C-C of middle rotor,
Fig. 7 exists（a）In show another section with the rotor of fixture in Fig. 5, and（b）In show have
Another section of the rotor of fixture in Fig. 6,
Fig. 8 exists（a）In show Fig. 7（a）Rotor interception part, and（b）In show with protection component
Rotor interception part,
Fig. 9 exists（a）-（d）In respectively illustrate the permanent magnets with one or more protection components,
Figure 10 exists（a）With（b）In show two different embodiments of matrix for radial rotor,
Figure 11 shows the section of the rotor with fixture, and it is integratedly made up of hardenable medium, and
Figure 12 show with equally integratedly made of hardenable medium the rotor of fixture another embodiment party
The interception part of formula.
Embodiment
Fig. 1 drip molding 1 be concentrically surrounding axis 2 extend and with circular structure and arranged transverse to axis 2
End plate 11 and it is multiple being arranged on end plate 11 and along axis 2 axially 21 extension fixed strips 12.The fixation
Bar 12 tangentially 23 is evenly distributedly arranged around end plate 11.The drip molding 1 is set to be used for the pre-determined bit of permanent magnet 4 in motor
（It is not shown）Rotor 3 matrix 35 recess 5 in（Referring to Fig. 2）.The drip molding 1 be related to the first implementation flexible program into
Shape part 1.Here, the quantity of fixed strip 12 corresponds to the quantity that be positioned at permanent magnet 4 above.The formed body 1 is configured to
Elasticity and/or plasticity and be made of plastics.
The fixed strip 12 has the lateral arms 126 of two collateral arms 125 and connecting side support arm 125 respectively, wherein
The collateral arm 125 21 and extends relative to the radial direction 22 of axis 2 vertically, and the lateral arms 126 vertically 21
And tangential 23 extension.Therefore the fixed strip 12 is configured to substantially u shapes in cross-section.
Each fixed strip 12 has bearing-surface 122 on the end 128 in face of end plate 11, sets the bearing-surface to be used for
What placement permanent magnet 4 and the bearing-surface were arranged in fixed strip 12 under installment state of the drip molding 1 in rotor 3 faces permanent magnetism
On the side 123 of body 4.Permanent magnet 4 radially 22 and also 21 is pre-fixed recessed vertically if necessary with the bearing-surface 122
In portion 5（Referring to Fig. 2）.Thus the permanent magnet 4 is resisted against on matrix 35 under the confined state of drip molding 1 back to fixed strip 12
Side on.
Each fixed strip 12 has free end 13 on its end 129 back to end plate 11, in the free end
It is upper to be provided with the surface of subsidence 120 to sink relative to bearing-surface 122, extend along its fixed strip 12 to the surface of subsidence planar.It is described
Surface of subsidence 120 realizes the change elastically and/or plastically of the fixed strip 12 when drip molding 1 is inserted in the recess 5 of rotor 3
Shape.
The surface of subsidence 120 is connected via inclined-plane 1201 with bearing-surface 122, and the inclined-plane simplifies drip molding 1 and imports rotor 3
Recess 5 in, especially when arranging permanent magnet 4 in the recess 5.
In addition, arrange groove 121 on each fixed strip 12, the groove 21 extends and not only set herein vertically
Put in each fixed strip 12 on the side 123 of permanent magnet 4, and be also disposed at each fixed strip 12 back to permanent magnet
On 4 side 124.The groove 121 is set each fixed strip 12 on the side 123 of permanent magnet 4 relative to bearing-surface 122
It is set to sinking.Its equally realize the elastic of when drip molding 1 is inserted in the recess 5 of rotor 3 fixed strip 12 and/
Or the deformation of plasticity.In addition, the groove 121 being arranged on the side 123 of permanent magnet 4 also achieves the contact pin 3511 of matrix 35
（Referring to Fig. 2）Insert in the groove 121, set the groove to be used to collect effective flux.
Each fixed strip 12 its in face of end plate 11 end 128 on also collateral arm 125 is constructed it is ramp-like, from
And simplify drip molding 1 and insert in recess 5.In addition, the collateral arm 125 has there widens place 127 so that it is in installation shape
Tightly abutted against under state in the region on matrix 35.
The fixed strip 12 at least corresponds on its end 128 in face of end panel 11 in the region of supporting surface 122
The shape of matrix 35 is constructed so as to so that it is in the mounted state relative to hardenable medium 6（Referring to Fig. 3,4）Hermetically seal
The recess 5 is closed, the medium is inserted in recess 5 above the free end 13 of each fixed strip 12.The region is below
Referred to as sealing area 130.
Fig. 2 shows the rotor 3 with drip molding in Fig. 11.The rotor 3 has matrix 35, and it is same that the matrix surrounds axis 2
Heart extends and arranges a large amount of recesses 5 wherein, and permanent magnet 4 is provided with the recess.The permanent magnet 4 is configured to flat
Flat magnet and in this spoke-like it is arranged in matrix 35 so that it is fabricated parallel to what radially 22 and axially 21 were opened
Plane（It is not shown）Extension.Therefore, rotor 3 depicted herein is related to radial rotor.
Between the recess 5 in other words permanent magnet 4, the rotor 3 has rotor section 30.In permanent magnet 4 back to axle
On the side of line 2, the rotor section 30 is connected with each other by horizontal contact pin 33.The horizontal contact pin 33 is in the rotor made of thin slice
It is arranged in 3 at least some thin slices.
In permanent magnet 4 on the side of axis 2, the rotor section 30 passes through longitudinal contact pin 32 and the axle area of matrix 35
Domain 31 connects.There is through hole 34 to be used for the axle extended along axis 2 in the centre of matrix 3 in the axle region 31（It is not shown）.
Figure 2 illustrates the cover 351 of the end plate 11 back to drip molding 1 of rotor 3.Therefore, in permanent magnet 4 and rotor
In recess 5 between 3 matrix 35, herein it can be seen that the free end 13 of fixed strip 12.
The drip molding 1 causes permanent magnet 4 radially 22 respectively at it back to being resisted against matrix 35 on the side of drip molding 1
On.Therefore, above the free end 13 of each fixed strip 12, the recess forms container 9, the hardenable medium of specified quantitative
6 can insert in the container.Here, the fixed strip 12 is arranged such, so as to also in the side back to permanent magnet 4 of fixed strip 12
It is respectively arranged to arrange the free space of hardenable medium 6 on face 124.Therefore, hardenable medium 6 is also respectively in permanent magnetism
Intermediate space between body 4 and the fixed strip 12 comprising it of drip molding 1（Referring to Fig. 3）In and matrix 35 and fixed strip 12 it
Between intermediate space in form capillarity.This is simplified by the groove 121 of vertically 21 extensions.
Fig. 3 shows the cross section A-A of rotor 3, wherein by means of the fixed permanent magnet 4 of fixture 60, the fixture is by by Fig. 1
Drip molding and hardenable medium 6 formed.Here, Fig. 3 illustrates in general Fig. 1 b section represented with A-A.In section view
Schematically show being arranged between the fixed strip 12 of drip molding 1 and permanent magnet 4 in figure and be arranged in consolidating for drip molding 1
Determine the hardenable medium 6 between bar 12 and matrix 35.
The drip molding 1 has been collectively form fixture 60 with hardenable medium 6.Here, it is pre- to set drip molding 1 to be used for
Position permanent magnet 4 and for radially and permanent magnet 4 being fixed in its recess 5 vertically if necessary.Hardenable Jie
The preferred material of matter 6 is connected with drip molding 1, permanent magnet 4 and matrix 35 and therefore during the service life of motor in locking manner
Permanent magnet 4 is fixed in matrix 35.
Fig. 4 shows the section B-B of Fig. 2 rotor.It can be seen that container of the construction above the free end of fixed strip
9, the hardenable medium 6 of specified quantitative can be inserted in the container.
Inserted along being realized by the importing direction 7 shown in arrow.Here, hardenable medium 6 is enough when inserting
Hypersonic flow, it is middle empty between drip molding 1 and permanent magnet 4 and matrix 35 so as to which it be assigned to along importing direction 7
Between in.Here, in sealing area 130, the bearing-surface 122, the place of widening 127 and end plate 11 prevent hardenable medium 6
From rotor 3 out.The groove 121 and surface of subsidence 120 are supported and simplify the distribution, and method is that it is so carried out into cloth
Put so that hardenable medium 6 is targetedly oriented to permanent magnet 4 and matrix 35 by it.
The clamping force being applied to as caused by fixed strip 12 on permanent magnet 4 is shown by arrow 14.
Fig. 5 exists（a）In show the fixture 60 made of hardenable medium 6 of no rotor 3, and（b）In
Show in the amplifier section of the fixed strip 602 of the fixture 60 on the side of the end plate 601 of fixture 60.The fixture
60 are related to the embodiment of the drip molding 1 of the second implementation flexible program.
The fixture 60 also has a large amount of tangentially 23 equally distributed fixed strips 602, sets the fixed strip to use respectively
In permanent magnet 4.Similar to the construction of Fig. 1 drip molding 1, two are configured with to the fixed strip 602u shapes of the fixture 60 along axle
To the collateral arm 6025 of 21 and radially 22 extensions, the collateral arm passes through vertically 21 and the lateral arms of tangential 23 extension
6026 are connected with each other, and the lateral arms 6026 have the groove 6021 to sink relative to the bearing-surface 6022.
The fixture 60 has contact pin on its side in face of axis, and the contact pin is embedded in matrix 35（Referring to Fig. 6 a
And c）Groove（It is not shown）In and improve adhesion of the fixture 60 on matrix 35.
Fixture 60 is formed by the extrusion encapsulation or double teeming of permanent magnet 4 of the pre-determined bit in rotor 3.It is by plastics
It is made, is especially made up of thermosetting plastic or thermoplastic.Fig. 5 a and b show fixture 60 after the hardening, and it does not turn
Son 3 the matrix 35 being positioned around and there is no permanent magnet 4.
Fig. 6 exists（a）In show with by（b）The fixture being made into integration by hardenable medium rotor.Fig. 6 c
Show the section C-C of Fig. 6 a rotor.The fixture 60 also relates to the implementation of the drip molding 1 of the second implementation flexible program
Mode.The fixture 60 also form by the extrusion encapsulation or double teeming of permanent magnet 4 of the pre-determined bit in rotor 3.Its is same
Sample is made of plastics, and is especially made up of thermosetting plastics or thermoplastic.Fig. 6 b show fixture after the hardening
60, it does not have the matrix 35 being positioned around of rotor 3 and does not have permanent magnet 4.
The rotor 3 also has by the rotor section 30 of horizontal contact pin 33 interconnection and with being arranged in rotor 3
Between through hole 34 axle region 31.In addition, the rotor section 30 is connected with each other also by longitudinal contact pin 32 herein, but the longitudinal direction
It cannot see that in contact pin view shown here.And set in this recess 5 equally in matrix 3 and be configured to flat magnet
Permanent magnet 4, it is arranged to spoke-like.
Relative to Fig. 3 fixture 60 formed by drip molding 1 and hardenable object 6, but Fig. 5 and 6 fixture
There is end panel 601 respectively on two ends 6028,6029 of fixed strip 602.The end panel 601 is resisted against to planar respectively
On the end face 40 of permanent magnet 4 and on the cover 351 of rotor 3, arrange to the end face and the preferred flush with each other of cover.Thus, should
The fixture 60 of embodiment is along and against axially 21 keeping the rotor 3.It has the advantage that the He of permanent magnet 4
The thin slice of rotor 3 can not be mutually axially mobile again after the hardening of fixture 60.
The difference of Fig. 6 b fixture 60 and Fig. 5 a fixture is to be configured to higher end plate 601.This is in Fig. 7
In show, Fig. 7 exists（a）In show the rotor 3 with the fixture 60 in Fig. 5 a section and（b）In show and carry
The section of the rotor 3 of fixture 60 in Fig. 6 b.
More precisely, reality of height 6011 of the end plate 601 on its side 6012 in face of permanent magnet 4 in Fig. 7 b
Apply in mode and be higher than the height 401 of permanent magnet 4 relative to Fig. 7 a embodiment.Therefore, it is described in Fig. 7 b embodiment
End plate 601 covers the end face 40 of permanent magnet 4.It may be thus possible, for example, to the magnetic scraps formed in operating conditions will not be in Fig. 7 b
Embodiment rotor 3 in fallen from recess 5.
The end plate 601 can be also used for balancing rotor 3 in this embodiment of rotor 3.
For drip molding that Fig. 5-7 is integrally formed by hardenable medium 6 in other words fixture 60, or preferably
Using thermoplastic, otherwise use thermosetting plastics.
Thermoplastic at least exists as particle.The particle is melted so that molecule connects.Then with the thermoplasticity of fusing
Permanent magnet 4 of the plastics extrusion encapsulation pre-determined bit in recess 5.On the contrary, thermosetting plastics exists as sticking material, also
It is the state in flowing.For connection molecule, it is necessary to which pre-determined bit is in recess 5 described in the thermosetting plastics extrusion encapsulation of heating
In permanent magnet 4.Therefore, it is higher than heat when using thermoplastic to the thermal force of permanent magnet when using thermosetting plastics
Load.However, realize bigger forming accuracy in the fixture 60 formed by thermosetting plastics.On the contrary, moulded by thermoplasticity
The fixture 60 that material is formed is elastic.
Fig. 8 exists（a）In show the embodiment with Fig. 5 a fixture 60 rotor 3 another interception part.Show
The end plate 601 of the end face 40 of the radially 22 only parts covering permanent magnet 4 of fixture 60 is gone out.
Fig. 8 b show the interception part of the rotor 3 with protection component 8.It can here be seen that in permanent magnet 4 and fix
Protection component 8 is arranged between the fixed strip 602 of part 60.The protection component 8 has the minimum capacity of heat transmission and for example by moulding
Material is formed.The protection component is arranged on permanent magnet 4 before hardenable object 6 is inserted into recess 5, preferably also magnetized
Before permanent magnet 4, and high temperature load is protected against during extrusion encapsulation or double teeming.Thereby dramatically reduce permanent magnet
The danger of 4 demagnetization.
Fig. 9 shows the permanent magnet 4 for the protection component 8 being arranged in one or more on the 41-44 of its side.The guarantor
Shield component 8 is formed by sheet material.
Figure 10 a and b show the different embodiments of the matrix 35 for radial rotor 3.Here, in figure loa
The matrix 35 shown corresponds to the matrix 35 used in Fig. 2 and 6a.
But Figure 10 b embodiment can also be used in the fixture 60 being integrally formed by hardenable medium 6
Matrix 35.The matrix 35 does not have shaft component 31 relative to Figure 10 a matrix 35 and does not connect shaft component 31 and rotor section 30
The longitudinal contact pin 32 connect.It thus avoid the leakage field for flowing to shaft component 31 via longitudinal contact pin 32 from rotor section 30.
Therefore, unique recess 5,34 is only arranged in the centre of described matrix 35, it is not provided only for accommodating forever
Magnet 4, and be also provided with being used to accommodate axle 20.
Figure 11 shows the section of the rotor 3 of the matrix 35 of the embodiment with Figure 10 b.The fixture 60 phase herein
Answer ground that there is only one to surround the fixed strip 602 that axle 20 extends with one heart.The end plate 601 of the fixture 60 in the cross-section can not
See.
Shape sealed part 21 is provided with the axle 20, the shape sealed part improves moment of torsion transmission.
In Figure 12 rotor, shape sealed part 301 is respectively provided with rotor section 30, the shape sealed part improves
The fixed strip 12 of fixture 60 and the shape sealed of rotor section 30.In addition, set is provided between the axle 20 and fixture 60
Son 200.The cover 200 also has shape sealed part 201, and the shape sealed part improves the shape lock relative to fixture 60
Close.Moment of torsion transmission is further improved by the shape sealed part 201,301.The shape sealed part 201,301 is preferably configured as T
It is shape or swallow-tailed.
The tangentially 23 magnetization permanent magnet 4 in radial rotor 3 as shown here, so as to the structure between permanent magnet 4
Make magnetic pole N, S（Referring to Figure 11）.However, it is also suitable for having radially by the fixture 60 of the hardenable Construction integration of medium 6
22 magnetized permanent magnets 4（It is not shown）Rotor or stator, wherein causing magnetic pole N, S of useful flux to construct in the rotor
Permanent magnet 4 back on the side of axle 20, and construct in the stator in permanent magnet 4 on the side of axle 20.
Claims (17)
1. for the rotor of motor or the drip molding of stator, the drip molding extend concentrically about around axis and have end plate with
And at least one fixed strip, the end plate construction circularize and arrange that the fixed strip is in face of the end transverse to axis
The end of plate is arranged on the end plate, and the fixed strip is along the axially extending of axis, wherein the fixed strip has
Bearing-surface, the bearing-surface at least are provided for being resisted against the rotor in the fixed strip in face of the end of the end plate
Or the stator permanent magnet on,
Characterized in that,
The fixed strip has two collateral arms and the lateral arms for connecting the collateral arm, wherein the laterally branch
Arm has the groove to sink relative to the bearing-surface, and the groove is along described axially extending.
2. the drip molding as described in claim 1, it is characterised in that the fixed strip has back to the end of the end plate
Free end, the surface of subsidence to sink relative to the bearing-surface is provided with the free end.
3. the drip molding as any one of the claims, it is characterised in that bearing-surface at least part ramp shaped
Extension.
4. as the drip molding any one of claim 1-2, it is characterised in that the drip molding has two end plates, institute
State the both sides that end plate is arranged in the fixed strip.
5. for the rotor or stator of motor, it extends concentrically about around axis and including permanent magnet, the permanent magnet arrangement
In the recess of the rotor or stator, wherein the rotor or stator are also included by any one of the claims 1-4 institute
The drip molding stated.
6. the rotor or stator for motor as described in claim 5, it is characterised in that the rotor is radial rotor.
7. the rotor or stator for motor as described in claim 5, it is characterised in that it has matrix, and described matrix is enclosed
Around axially concentric extension of the axis along the axis and it is arranged in the recessed of described matrix including permanent magnet, the permanent magnet
In portion, wherein be disposed with fixture in the recess, the fixture has fixed strip and an end plate, and the fixed strip is along institute
State and axially extend in the recess, the fixed strip is arranged on the end plate, and the end plate is transverse to the axial direction
Extension,
Characterized in that,
The fixture is made up of hardenable medium at least in part.
8. the rotor or stator for motor as described in claim 7, it is characterised in that the hardenable medium is plastics
Or resin.
9. the rotor or stator for motor as described in claim 7, it is characterised in that the fixture is by by claim
Drip molding and the hardenable medium any one of 1-3 are formed.
10. the rotor or stator for motor as described in claim 7, it is characterised in that the fixture and it is described forever
Arrangement protection component between magnet.
11. the rotor or stator for motor as described in claim 7, it is characterised in that the protection component is by with low
The material of the capacity of heat transmission is made.
12. the rotor or stator for motor as described in claim 11, it is characterised in that described with the low capacity of heat transmission
Material is plastics.
13. the rotor or stator for motor as any one of claim 10-12, it is characterised in that the fixation
Part shape sealed it is resisted against on the permanent magnet or the protection component.
14. the rotor or stator for motor as any one of claim 10-12, it is characterised in that the end plate
Be resisted against the permanent magnet on the axial arranged end face.
15. the rotor or stator for motor as any one of claim 5-12, it is characterised in that the end plate is complete
The end face of permanent magnet described in all standing.
16. the method for being fixed on permanent magnet in the rotor or stator of motor, wherein the rotor or stator have matrix,
Described matrix has the recess for the permanent magnet, and methods described has steps of：
- permanent magnet is inserted into the recess,
- drip molding as any one of claim 1-3 is inserted into the recess, so that the drip molding
Bearing-surface radially pre-fix the permanent magnet, and
- hardenable medium is filled into the recess.
17. the method for being fixed on permanent magnet in the rotor or stator for motor as described in claim 10 or 11,
Wherein described rotor or stator have matrix, and described matrix has the recess for the permanent magnet, and methods described has following
Step：
- arrange protection component on the permanent magnet,
- magnetization the permanent magnet,
- permanent magnet is inserted into the recess, and
- hardenable medium is filled into the recess, so that the protection component is arranged in the permanent magnet and institute
State between hardenable medium.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012206475.3 | 2012-04-19 | ||
| DE201210206475 DE102012206475A1 (en) | 2012-04-19 | 2012-04-19 | Molding for prefixing a permanent magnet in a rotor or stator, fixing the permanent magnet by means of a curable medium, and thermal protection of the permanent magnet during fixation |
| PCT/EP2013/057021 WO2013156307A2 (en) | 2012-04-19 | 2013-04-03 | Molded part for pre-fastening a permanent magnet in a rotor or stator, fastening of the permanent magnet by means of a curable medium, and thermal protection of the permanent magnet during the fastening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104471835A CN104471835A (en) | 2015-03-25 |
| CN104471835B true CN104471835B (en) | 2018-01-19 |
Family
ID=48087559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380032426.9A Expired - Fee Related CN104471835B (en) | 2012-04-19 | 2013-04-03 | For permanent magnet to be pre-fixed to the drip molding in rotor or stator, permanent magnet by means of the fixation of hardenable medium and during fixation to the Thermal protection of permanent magnet |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104471835B (en) |
| DE (1) | DE102012206475A1 (en) |
| WO (1) | WO2013156307A2 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014216555A1 (en) * | 2014-08-20 | 2016-02-25 | BSH Hausgeräte GmbH | Rotor for an electric machine of a household appliance, household appliance and method for producing a rotor for an electrical machine of a household appliance |
| CN104377858A (en) * | 2014-12-10 | 2015-02-25 | 安徽巨一自动化装备有限公司 | Novel motor rotor structure |
| JP6464822B2 (en) | 2015-02-27 | 2019-02-06 | 日本電産株式会社 | motor |
| GB2537823B (en) * | 2015-04-21 | 2019-03-13 | Protean Electric Ltd | An arrangement for mounting a magnet to an electric machine |
| DE102016204972A1 (en) | 2016-03-24 | 2017-09-28 | Schaeffler Technologies AG & Co. KG | Rotor of an electric machine |
| CN107689696B (en) * | 2016-08-04 | 2024-03-26 | 纬湃汽车电子(芜湖)有限公司 | Brushless motor rotor and brushless motor |
| DE102017201003A1 (en) * | 2017-01-23 | 2018-07-26 | Robert Bosch Gmbh | Method for fixing a magnetic element in a receiving pocket of a rotor or a stator of an electric machine and corresponding electric machine |
| DE102017111072A1 (en) | 2017-05-22 | 2018-11-22 | Ovalo Gmbh | Rotor for an electric motor and method of manufacturing a rotor |
| DE102018126751A1 (en) * | 2018-10-26 | 2020-04-30 | Schaeffler Technologies AG & Co. KG | Electric motor for an actuator of a motor vehicle with a fastening concept for a rotor; and clutch actuator |
| CN115176400A (en) * | 2020-02-27 | 2022-10-11 | Lg伊诺特有限公司 | Motor |
| EP4293875A1 (en) * | 2022-06-15 | 2023-12-20 | Vorwerk & Co. Interholding GmbH | Electric motor, food processor and assembly method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6060799A (en) * | 1999-03-31 | 2000-05-09 | Webster Plastics | Magnet carrier for motor housing |
| JP4143631B2 (en) | 2005-09-01 | 2008-09-03 | トヨタ自動車株式会社 | Manufacturing method of rotor |
| US8141234B2 (en) * | 2009-10-19 | 2012-03-27 | General Electric Company | Optimal magnetization of non-magnetized permanent magnet segments in electrical machines |
| DE102010039334A1 (en) | 2010-08-16 | 2012-02-16 | Robert Bosch Gmbh | Attaching magnets to a rotor |
| DE202010017376U1 (en) * | 2010-08-16 | 2014-01-08 | Robert Bosch Gmbh | Attaching magnets to a rotor |
| JP2013211931A (en) * | 2010-10-04 | 2013-10-10 | Nippon Densan Corp | Rotor and motor |
-
2012
- 2012-04-19 DE DE201210206475 patent/DE102012206475A1/en not_active Withdrawn
-
2013
- 2013-04-03 WO PCT/EP2013/057021 patent/WO2013156307A2/en active Application Filing
- 2013-04-03 CN CN201380032426.9A patent/CN104471835B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013156307A2 (en) | 2013-10-24 |
| WO2013156307A3 (en) | 2014-10-09 |
| CN104471835A (en) | 2015-03-25 |
| DE102012206475A1 (en) | 2013-10-24 |
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