CN106899108A - For the bobbin of electric coil - Google Patents
For the bobbin of electric coil Download PDFInfo
- Publication number
- CN106899108A CN106899108A CN201611272972.1A CN201611272972A CN106899108A CN 106899108 A CN106899108 A CN 106899108A CN 201611272972 A CN201611272972 A CN 201611272972A CN 106899108 A CN106899108 A CN 106899108A
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- China
- Prior art keywords
- section
- bobbin
- groove
- coil
- stator
- 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
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
In order to also realize that the coil wound by rectangular conductor has the advantage that and especially for a kind of device of offer for the coil being made up of thinner conductor, can be with simple, with low cost and accurately mode manufactures distributed two-layer winding or multi-layer winding by the device, it is proposed that a kind of bobbin (100;121st, 122,123,124), it is the distributed coil (200 of grafting coil that it is determined for the construction of motor;211st, 212,213, at least one conductor 214) carrys out coiling and accommodates at least one conductor, the grafting coil is formed for being encased in magnetic pole, and the grafting coil determine stator (300) or rotor with the stator tooth being separated from each other by axial groove (302) or the stator core of rotor tooth (303) and/or rotor core (301), wherein, bobbin (100;121;122;123;124) with two groove sections (101,102) and two volumes packet header section (107,108), two groove sections are constructed and are determined for being inserted into the non-immediately continuous groove (302) of two circumferential directions along stator (300) and/or rotor, and at axial end portion (103,104,105,106) place of groove section be connected to each other groove section (101,102) by two volume packet header sections.
Description
Technical field
The present invention relates to a kind of bobbin for motor coil.Additionally, carrying this bobbin the present invention relates to one kind
Coil.Stator, rotor and motor the invention further relates to carry this coil.
Background technology
Coil, the stator of electric rotating machine and for manufacturing coil as known in the A1 of document DE 10 2,012 201 698
Method, wherein, coil arrangement is in the stator and stator has the slit of multiple circumferentially directions arrangements.Coil has first
Winding sectors, the first winding sectors are by by conductive rectangular conductor wound edgewise (Hochkantwickeln) into hexagon shape
Shape is constituted.The first volume has two the first slit inserts around section, and they are arranged in circumferentially direction and are spaced
In two the first slits opened.First winding sectors also have two first coil end pieces, and they are inserted with two the first slits
Enter part connection.First slit is included in multiple slits of stator.Coil also has the second winding sectors, and the second winding sectors lead to
The conductive rectangular conductor wound edgewise that will be connected with the first winding sectors is crossed to be formed into hexagonal shape.Here, second around
Group section has two the second slit inserts, and they are arranged in two the second slits that circumferentially direction is spaced apart from each other
In.Second winding sectors also have two the second coil-end parts, and they connect two the second slit inserts.Second slit
It is included in multiple slits of stator.Two winding sectors are connected to each other and overlieing one another in the radial direction in stator.When
When coil is inserted into slit, will not then be scattered during space of the winding between the first or second slit insert is launched.
Additionally, coil 30 has very short length along the axial direction of stator.
In the coil, the first and second coil-end parts respectively have two tilting zones, they be connected to first or
Extend on the end of the second slit insert and respectively from these sloped-ends, and the first and second coil-end parts point
The rising zone that Ju You do not construct between tilting zone and connect tilting zone.First or second slit insert and line
The shape of hexagon from the point of view of the radial direction that circle end pieces (i.e. their tilting zone) jointly constructs go out along stator.
Each slit of stator or stator core accommodates two the two of adjacent coil slit inserts.In a state,
First tilting zone of one of them the first winding sectors and the first slit insert are in the outer in the radial direction of stator, i.e.
On that radially outer side of slit.Second tilting zone and the second slit insert of the first related winding sectors
In the inner in the radial direction of stator, i.e. on that inner side of the radial direction of slit.First and second tilting zones are connected
With that radially inner side be connected for that radially outer side by the rising zone for connecing.Connected to the first related winding sectors
The second winding sectors shape in the corresponding way and arrange, but wherein, the slit insert of the second winding sectors relative to
The slit insert of the first winding sectors in the stator circumferentially arrange with having staggered a slit respectively by direction, so that coil
The slit insert of two winding sectors is distributed on total of four slit.
On the coil, the first and second winding sectors are constructed as follows, i.e. be arranged in corresponding slit
One and second the side long of cross section of rectangular lead of slit insert extend in the circumferential direction of stator, and rectangular lead
Cross section short side stator extension in the radial direction, thus, it is desirable to so-called wound edgewise.Which results in rectangular conductor
Strong bending at transition part between slit insert and tilting zone but especially in tilting zone, which thereby enhances
The danger that the danger or the electric insulation part around wire, such as paint portion that lead is damaged are damaged.Here, rectangular lead is with its cross section
Side long extend on the whole width of slit in circumferential direction, and be respectively attached to the rectangle of one of winding sectors and lead
Line overlies one another in the radial direction stator.Thus, the coil for being formed with rectangular conductor also has among other advantages
Very big mechanical strength.
The content of the invention
Technical problem to be solved of the invention is, for by the thinner or thinner conductor of relative aforementioned rectangular wire
Also above-mentioned advantage is realized for the coil being wound into.Technical problem of the invention in particular, in that, there is provided a kind of device, by its energy
Simply, it is with low cost and accurately manufacture distributed two-layer winding or multi-layer winding.
Above-mentioned technical problem is solved by following bobbin, and the bobbin is determined for winding with least one
Individual conductor and at least one conductor of receiving, at least one conductor is the distributed line for being designed as grafting coil of motor
At least one conductor of circle, the grafting coil determine for installation into it is with magnetic poles, be separated from each other by axial groove
Stator tooth or rotor tooth stator core and/or rotor core in, wherein, bobbin have two groove sections and Liang Gejuan packet header area
Section, two groove sections are constructed and are determined for being inserted into that two circumferential directions along stator and/or rotor are non-immediately to be connected
In continuous groove, roll up axial end portion of the packet header section by groove section in groove section for two and be connected to each other.
Therefore, the present invention proposes the bobbin of the distributed coil for motor.Bobbin quilt of the invention
It is determined that for the grafting coil being configured to be encased in the stator core of the stator of motor or rotor and/or rotor core.Therefore, electricity
The stator and rotor of machine can alternatively or coil in a distributed manner is constructed together with bobbin of the invention simultaneously.Construction
At least two stator tooths or rotor tooth of stator core or rotor core are sufficiently achieved when being fitted into machine for the coil of grafting coil
Or groove interval, that is to say, that construct and be confirmed as being formed in stator with surrounding two or more stator tooths or rotor tooth
Coil stackedly being inserted each other in core and/or rotor core, being inserted in by the loading state of regulation.
Here, axial direction is represented by the predetermined direction of rotation axis of motor.Additionally, the rotation axis of machine
Be also reference direction for specifying the circumferential direction consistent with the circumferential direction of machine and for perpendicular to rotation axis
Machine the consistent radial direction of radial direction reference direction.By to bobbin motor stator and/or rotor
In bobbin the reservation that carries out of loading position by regulation, also clearly limited with reference to the generally known direction title of machine
The direction title of the structure and construction for calling bobbin of the invention is determined.
In the case of based on above-mentioned concept definition, at least almost in axial direction or with helix along machine circumference
The groove of direction orientation is expressed as axial groove.Groove (being also called the groove of machine for short) in rotor core and/or stator core is preferably just
The good axial direction along machine extends, i.e., parallel to the rotation axis of rotor, also parallel with stator and the axis of symmetry of rotor.
In flexible program, the groove with helix is preferably extended around the rotation axis with the constant radial direction spacing with rotation axis.So
And, with reference to stator and/or the axial dimension of rotor, helix, i.e. groove are along the circumferential direction of stator and/or rotor in stator
And/or the torsional part in the whole length of rotor is very little, preferably small at least one order of magnitude, especially at least ten once
Power.In view of simplicity, though below in the groove of such helix is configured with, the machine-direction oriented of them is also expressed as edge all the time
Axial direction extends.
Machine, stator and/or rotor or stator core and/or rotor core in axial direction, i.e. along the direction of axial rotary
End be expressed as their axial end portion.Correspondingly, the axial end portion of bobbin represent bobbin such as bottom, these ends
Portion refers to when they load motor or stator and/or rotor by regulation towards the axial direction of machine or stator and/or rotor
To.
According to the concept definition, the axial end portion of groove section is located on the axial end portion of stator core and/or rotor core, and
The volume packet header of stator and/or rotor is located at here.The volume packet header section of bobbin is in the loading position by regulation of bobbin
It is arranged in volume packet header.
Relative to the manufacture being sequentially introduced into single conductor in predetermined groove, the present invention can be realized substantially
More rapidly, it is simpler, less expensive into one's duty and more accurately manufacture.Volume packet header is constituted in which can reduce, the single phase of machine
Mutual insulation is simplified and improves.This can be realized in the following way, i.e. one or more conductors stator core and/
Or rotor core is externally mounted on bobbin, and then bobbin together with one or more conductors by simple grafting
Assemble to be assembled on stator core and/or rotor core, that is, be assembled in their groove.Here, the shape spatially of coil is led to
The bobbin in the region of groove and in the region in volume packet header is crossed to make a reservation for.This is in by the loading position of regulation in stator core
And/or in the distributed coil being stacked each other in rotor core be particularly advantageous.These coils are in construction of the invention
Can also be wound with automaticity machine formula high in scheme, thereby saving cost and improve the quality of production.Here,
Give simple process reliable manufacturing process.Preferably, it is all grafting coils structure in the same manner of this stator and/or rotor
Into, that is to say, that build on the bobbin of same configuration, manufactured and cost-effective to realize further simplifying.With by conductor
It is incorporated into unlike in the groove of machine, conductor no longer consumingly bends now, friction stree also no longer occurs.Conductor material is obtained
To protect, it is to avoid conductor insulation portion, the damage of such as insulated paint.Manufacturing time is considerably reduced on the whole.
Favourable design of the invention shows in the dependent claims.
According to preferred improvement project, bobbin of the invention have be determined for position accommodate exactly and/
Or groove section design and/or the volume packet header section design side of at least one thin conductor of guiding and/or support and/or holding
Case.
Here, the conductor that the thin conductor of term is expressed as follows, its cross section in this wise than for a conductor or it is multiple this
The receiving cross section of the bobbin of the conductor of sample is much smaller, so that multiple conductor can radially and/or circumference side
It is contained in each other placed side by sidely in the receiving cross section of bobbin.In particular, herein the size of one or more conductors and
The size of the receiving cross section of bobbin is sized as follows so that in the receiving cross section of bobbin, radially
Direction and/or circumferential direction are abreast mounted with least 2 conductors, preferably at least 5 conductors.It is particularly preferred that conductor cross-sectional
Face is set to very little relative to the receiving cross section of the bobbin for one or more conductors, i.e. compare line in the cross section of conductor
The receiving cross section of coil is small 10 times.
The position that is determined for of bobbin accommodates and/or guides and/or support and/or the groove section that keeps exactly
The design of design and/or volume packet header section means, groove section is designed as follows and/or packet header area is rolled up
Section, i.e. insertion, the thin wire being wound up into bobbin along groove section and roll up at least several of packet header section in bobbin
Whole extension accurately guides into fixed location and shape limit, reliable, wherein, in an advantageous manner, conductor
Section guided alternately through the wall portion of bobbin and/or the section for guiding adjacent to each other of conductor and/or support and/or
Keep, that is, fix.Thus, copper fill factor (Kupferf ü llfaktor) high is also achieved.
For this purpose, it is preferable that the cross sectional dimensions of groove section and/or volume packet header section, the i.e. receiving of bobbin are horizontal
The width and height in section are set to the integer of the diameter or cross sectional dimensions (e.g. particularly height and/or width) of conductor
Times.
It is particularly preferred that the bobbin of the invention being advantageously made up of electrically insulating material, especially plastics is by structure
It is the wide type with " u "-shaped to make, and the type exterior feature crosses and formed at least approximate rectangular receiving cross section, wherein, the open side of " U "
Circular direction on bobbin is outwardly.Here, one or more are encased in the conductor accommodated in cross section of bobbin
Longitudinal extension part, i.e. by regulation insert coil in the case of in its conductor or their conductor flow electric current
Direction to the circular direction for being expressed as bobbin.It is consistent around axial direction of the direction with machine in groove section, in volume
In the section of packet header, extend with axial direction in a substantially axial direction around direction.Correspondingly, when the open side of " U " is in groove area
Pointed to and the circumferential direction along machine and/or the axial direction side along machine in packet header section is rolled up along the circumferential direction of machine in section
During to pointing to, the circular direction of the open side on bobbin of " U " is outwardly.By the design, can be with simple side
Formula carries out coiling and provides the good fixation of conductor to bobbin.Additionally, also having obtained enough relative to high voltage online
Resistance between circle and stator core and/or rotor core punctures spacing or creep age distance, or the coil for having obtained being stacked each other can
The electric insulation for leaning on.
Here, the very thin setting of the wall thickness of the material of bobbin and preferably bobbin in the region of groove section at least very
Shape-ordinatedly it is arranged in groove in big degree, ensures that coil with stator core and/or the good thermal of rotor core.
In the other preferred embodiment of bobbin of the invention, the external cross section of the groove section of bobbin sets
It is set to N/mono- of the receiving cross section of groove, wherein, N=2,3,4 ...;Preferably N=2.By according to the implementation method
The structural scheme of one or more bobbins, advantageously achieves and very well makes full use of the receiving through the groove of bobbin horizontal
Section because by the quantity of N number of bobbin for the groove section of N completely fills groove and in the stator for having assembled and/or
The slotted receiving cross-sectional space not utilized is not stayed in rotor.Herein preferably, N number of groove section in groove only radially
It is arranged side by side.
The preferred improvement project of bobbin of the invention, each volume packet header section of bobbin is configured to be had
Circumferentially direction is at least approximately centrally disposed in two angled sections and a region connecting them, in bobbin
Bending section between groove section, the first groove section therein extends along the first sagittal plane, and the second groove section along with
The second concentric sagittal plane of first sagittal plane extends, and bobbin is transformed into the region of bending section from the first sagittal plane
In second sagittal plane.
Herein, concept sagittal plane is represented and prolonged around the rotation axis with the radial direction spacing constant with the rotation axis of machine
The face stretched.That is, being related to the cylinder extended concentrically about with rotation axis or cover or being related to rotation axis with one heart
The cylinder of extension.
One of bending section of wherein each volume packet header section of bobbin is respectively from one of groove of bobbin
The axial end portion of section at least substantially, preferably exactly along sagittal plane (related groove section extends along the sagittal plane),
Extend mainly in the circumferential direction of machine, and and alternatively additionally extend on the axial direction of machine.
This, two angled sections for rolling up packet header section are extended towards one another on two different sagittal planes and end at following area
Domain, in this region, they are adjacent to each other along different sagittal planes, i.e. realized in axial direction in their extension
With the identical coordinate in circumferential direction, but realize according to the different radial coordinate of different sagittal planes.In this example,
Two tilting zones for extending towards are connected by bending region, among the bending region, roll up the extension tool of packet header section
Portion is crossed over, (this angled section is prolonged along the sagittal plane from the bearing of trend of in angled section and sagittal plane for it
Stretch), i.e. described ramp extension direction, towards other angled section and sagittal plane (this other angled section edge
The sagittal plane extension) inclination bearing of trend cross over.That is, in section is bent, the foregoing circumference side of bobbin
Prolong to another inclination facing radially towards the leap of another sagittal plane and from an inclination bearing of trend from one to experienced
The steering in extending portion direction.If rolling up the angled section of packet header section at least almost symmetrically to each other with the axial direction side relative to machine
To at least almost identical angle be directed toward each other, by these angled sections connect bending section it is at least almost placed in the middle
Circumferentially direction is located between groove section on ground.
Therefore in other words, bobbin and and then coil mounted thereto bending section for example from the first sagittal plane turn
Change to the second sagittal plane.Extension of the bobbin on the circular direction swings to the in section is bent from the first sagittal plane
Two sagittal planes.Here, for example from the rotation axis of machine, the radius of the first sagittal plane is set to the radius than the second sagittal plane
Greatly, so as to be placed to the section extended in the first sagittal plane of the bobbin of stator core and/or rotor core and by rule by regulation
Surely the section extended in the second sagittal plane for being placed to the bobbin of stator core and/or rotor core is compared further from rotary shaft
Line.By this way, bobbin can circumferentially direction be stacked each other together with the conductor being placed in them.
In other design, it is also possible to which more than two sagittal plane is set, in these sagittal planes, different coils
The groove section of bobbin can arrange that the first groove section of such as First Line coil is arranged in the first sagittal plane with different distributions
In, the second groove section of First Line coil is arranged in the second sagittal plane, and the first groove section of the second bobbin is arranged in the 3rd
In sagittal plane, the second groove section of the second bobbin is arranged in the 4th sagittal plane, etc..
The scheme that is advantageously improved of bobbin of the invention is characterised by that the receiving cross section of bobbin is in order to incite somebody to action
At least one conductor accommodates and/or guiding and/or support and/or is maintained in groove section and has the first moulding and in order near
A few conductor at least accommodates and/or guides and/or support and/or be maintained in the bending section of volume packet header section has second
Moulding, wherein, especially the second moulding is more than the first moulding size in radial directions in the size in the radial direction of machine,
And wherein, additionally preferred, size of second moulding on the axial direction of machine is less than the first moulding in circumferential direction
Size.
The shape exterior feature for accommodating the cross-sectional area of cross section is denoted here as the moulding for accommodating cross section of bobbin.It is preferred that
Ground, this is the cross-sectional area of rectangle, and it is surrounded with foregoing " u "-shaped by the wall portion of bobbin at least in part, for example.The horizontal stroke
Area of section has the first shape exterior feature, especially the first width and the first height for forming the first moulding in groove section.According to this
The foregoing improvement project of invention, the present cross-sectional area is at least in the bending section of volume packet header section, advantageously also exist
Volume packet header section with the bending angled section that is directly connected to of section in extended with predetermined degree, so as to therefore can be more
The guiding that conductor is especially curved in bending section transfer and therefore bends is looked after well.It is described extension cause make conductor guide portion and
Become to relax for its bending section needed for section is bent.The meaning of extension especially accommodates radial direction side of the cross section along machine
To broadening, thus, reduce the foregoing bending section of conductor.Herein preferably, widened by the radial direction along machine and held
Receive axial direction that cross section can realize narrow, for example " U, the side of shape shortens with following degree to set, i.e. cross section
Area is integrally at least kept approximately constant, the conductor constant so as to accommodate quantity.Conductor, such as coil lead by line
The guiding of the restriction of coil can be in the region in volume packet header, especially realize line in the bending section of projection farthest in the axial direction
Coil is entered but the structure type in axial direction shortening of the volume packet header section of the stator of machine and/or rotor.Here, only permitting
Perhaps implement to accommodate the change of cross section with following degree, i.e. be adjacent to, be stackedly placed in stator core and/or rotor core
Bobbin collision is occurred without in the region being stacked.
Above-mentioned technical problem is also solved by being determined for being encased in the coil in motor, and the feature of the coil exists
In the bobbin with the above-mentioned type, conductor, the thin conductor especially in accordance with above-mentioned concept definition hold in the bobbin
Receive and guide.Such coil can manufacture in a straightforward manner and can be assemblied in stator core and/or rotor core and
Have the advantages that all to have been described for bobbin of the invention.
In the favourable improvement scheme of coil of the invention, at least two electrically in parallel wrapping conductors to bobbin
On, especially two-wire winds.The present invention is it is achieved that by the coil of each phase of motor and the line in parallel of a phase
Circle concurrently winds, and thus also reduces manufacturing time.Furthermore, it is possible to realize the simple of the winding in parallel of machine and accurately
Structure type and manufacture, wherein, when machine runs, for two windings, magnetic flux is consistent.Furthermore, it is possible to so
Design the effect of kelvin effect is limited in operation.
Above-mentioned technical problem is also solved by the stator of motor, and the stator has stator core, and stator core is with least
One coil of the above-mentioned type being disposed thereon, i.e. its bobbin for carrying the structural scheme for having illustrated.It is of the invention
Stator simple, durable and reliable ground component and can have what simple mode was manufactured, because being only wound up into root by insertion
Coiling is achieved that according to the prefabricated coil on bobbin of the invention, and therefore can be quickly and with workmanship high
To perform coiling.
Above-mentioned technical problem is also solved by the rotor of motor, and the rotor is characterized by rotor core, rotor
Core ribbon has the coil of at least one the above-mentioned type being disposed thereon, wherein, obtain identical as in above-mentioned stator
For the advantage that manufactures and produce.
Above-mentioned technical problem it is last also by the stator and/or rotor with the above-mentioned type and with above-mentioned feature and
The motor of advantage is solved.
Brief description of the drawings
Embodiments of the invention are shown in the drawings and have been described below in detail, wherein, it is consistent in all of the figs
Element be equipped with identical reference and eliminate repeated description to these elements.In the accompanying drawings:
Fig. 1 shows to be wound up into the example of the coil of the invention on bobbin of the invention, the accompanying drawing be with
Largely approach the first stereogram of the direction of visual lines of the radial direction of the machine for having the coil by prescribed equipment;
Fig. 2 shows the example of the coil of the invention and bobbin of the invention by Fig. 1, and the accompanying drawing is with very
The second stereogram of the direction of visual lines of the axial direction of the machine for having the coil by prescribed equipment is approached in big degree;
Fig. 3 shows the local stereogram of the example of stator core, inserts this by the coil of the invention of Fig. 1 or 2 and determines
In the groove of sub- core;
Fig. 4 shows to block parallax stereogram by the example of the stator core of Fig. 3, by four lines of the invention of Fig. 1 or 2
Circle is stackedly inserted in the groove of the stator core each other;
Fig. 5 illustrates the example with four stator cores according to the coil of Fig. 4 with the vertical view along the axial direction of machine;
Fig. 6 shows the example of bobbin of the invention (in the view of Fig. 1, coil is wound up on the bobbin),
The accompanying drawing is with the direction of visual lines than the first stereogram according to Fig. 1 closer to the 3rd of the direction of visual lines of the radial direction of machine
Stereogram;
Fig. 7 shows showing for the stator core for motor completely equipped with coil that is of the invention, being constructed by Fig. 1
Example.
Specific embodiment
In Fig. 1, the example for the bobbin being equipped with according to the present invention is represented with reference 100, according to the present invention
Coil 200 be wound up on the bobbin.It is three-dimensional with first of the first direction of visual lines shown in the arrow plot that is represented with A in Fig. 2
Figure shows coil 200 and bobbin 100.Direction of visual lines A is largely close to the machine for having the coil by prescribed equipment
Radial direction, but it have rotated about 20 to 30 degree respectively towards the axial direction and circumferential direction of machine.Here, sight line side
To A from the rotation axis of machine outwardly.
Bobbin 100 includes linearly extended first groove section 101 and linearly extended second groove section 102.First groove
Section 101 has the first axial end portion 103 and the second axial end portion 104.In the same manner, the second groove section 102 has first
The axial end portion 106 of axial end portion 105 and second.Here, the first axial end portion 103 of the first or second groove section 101 or 102 or
105 is the first axial end of the stator core and/or rotor core that machine is abutted in when bobbin 100 is loaded into machine by regulation
End in portion, and the second axial end portion 104 or 106 of the first or second groove section 101 or 102 be by bobbin 100 by
The end that regulation ground is abutted on the stator core of machine and/or the second axial end portion of rotor core when loading machine.In regarding for Fig. 1
In figure, the first axial end portion of machine is pointed to the left and the second axial end portion of machine is pointed to the right.
The volume packet header of stator and/or rotor is located on the first and second axial end portions of machine.Volume packet header is by coil
Frame 100 by regulation is fitted into position in, the bobbin 100 of the arrangement that reclines in stator and/or rotor is together with winding thereon
The volume packet header section of coil 200 formed.Accordingly, bobbin 100 its (by regulation is fitted into position in positioned at the of machine
On one axial end portion) there is on the first axial end portion first volume packet header section 107, and at it at the loading position by regulation
In abut on the second axial end portion of machine the second axial end portion on there is volume Two packet header section 108.
The first volume packet header section 107 of bobbin 100 includes the first angled section 109, and it is connected to the first groove in side
On first axial end portion 103 of section 101, and including the second angled section 110, it is connected to the second groove section in side
On 102 the first axial end portion 105.In opposite side, the first angled section 109 and second of first volume packet header section 107 is inclined
Section 110 is connected to each other via the first bending section 111.Correspondingly, the volume Two packet header section 108 of bobbin 100 includes the
One angled section 112, it is connected on the second axial end portion 104 of the first groove section 101 in side, and is inclined including second
Section 113, it is connected on the second axial end portion 106 of the second groove section 102 in side.In opposite side, volume Two packet header area
First angled section 112 and the second angled section 113 of section 108 are connected to each other via the second bending section 114.
As especially illustrated by arrow B by the view described here of Fig. 2 and bobbin 100 and by Fig. 1
Direction of visual lines (its be with largely close to have by prescribed equipment coil 200 machine axial direction direction of visual lines)
As can be seen that first angled section 109 and volume Two packet header section 108 of the first groove section 101, first volume packet header section 107
The first angled section 112 along the first sagittal plane extend, the first sagittal plane is in the first radius of the rotation axis around machine
Extend.The of second groove section 102, the second angled section 110 of first volume packet header section 107 and volume Two packet header section 108
Two angled sections 113 extend along the second sagittal plane, and the second sagittal plane extends in the second radius of the rotation axis around machine.
The radius of the first radius, i.e. the first sagittal plane is measured more than the second radius, i.e. the second sagittal plane from the rotation axis of machine
Radius, so as to by regulation insert stator core and/or rotor core bobbin 100 in the first sagittal plane extend section 101,
109th, 112 with by regulation insert stator core and/or rotor core bobbin 100 in the second sagittal plane extend section 102,
110th, 113 compare with rotation axis at a distance of farther.Sagittal plane is illustrated with reference to Fig. 5.
Bobbin 100 and coil 200 installed therein bending section 111 and 114 first and second sagittal plane it
Between change.If the circular direction 115 of bobbin 100 selects to be clockwise in the view of Fig. 1, bobbin 100 and it is arranged on
Coil therein 200 is for example transformed into the first sagittal plane in the first bending section 111 from the second sagittal plane.That is,
The extension on described circular direction of bobbin 100 redirect to the in the first bending section 111 from the second sagittal plane
One sagittal plane.In identical from the point of view of the direction, bobbin 100 and enter but apply the coil 200 that is installed therein along they
Other extension is converted back to the second sagittal plane in the second bending section 114 from the first sagittal plane.That is, bobbin
100 extension on described circular direction rotates back into second radially in the second bending section 114 from the first sagittal plane
Face.
Here, the Longitudinal extending of one or more conductors put into the receiving cross section of bobbin 100, namely existing
Use according to regulations with one or more conductors formed coil 200 when in one or more conductors flow sense of current,
It is expressed as the circular direction 115 of bobbin 100.
Bobbin 100 is configured to being made up of the megohmite insulant of thin-walled, with the " u "-shaped vertical with direction 115 is surround
Cross section, annular on circular direction 115 shell.Shell surrounds out the cross section of rectangle, the cross section with three sides of " U "
It is determined for accommodating one or more conductors and forms receiving cross section.Annular of the 4th unlimited side of " U " in shell
Circular direction on from the point of view of outwardly.Via unlimited side, one or more conductors are simply put into bobbin 100
In receiving cross section.In the view of Fig. 1 and 2, coil 200 is arranged in receiving cross section.
The receiving cross section of bobbin has the along groove section 101,102 and angled section 109,110,112,113
One moulding, the first moulding has and persistently keeps identical in the width in the radial direction of machine along around direction 115, i.e.
With the clear spacing between lateral side for keeping identical " U ", and with remaining identical in the axial direction of machine
Height on direction, i.e. the length with the lateral side for keeping identical " U ".In contrast, bending section 111,
Width increase in 114, this especially shows with reference to the second bending section 114 in fig. 2, and height reduces, and this is especially in Fig. 1
Shown with reference to two bending sections 111,114, thus accommodate cross section and use the second moulding there.As a result, by curved
One or more conductors of guiding of folding area section 111,114 become easy, and/or can realize axial direction of the coil 200 in machine
On height reduce.
In the example according to Fig. 1 and 2, thin winding wire, such as round wire are selected as conductor.Thin rectangle is led
Line is also feasible.Here, term " thin " here means that the conductors cross relative to receiving cross section very little, especially
It is small at least 10 times.Correspondingly, the shell of thin-walled means the thickness several times of the wall portion of shell less than receiving cross section
It is high or wide, it is preferably same small at least 10 times.
In fig 1 and 2, coil 200 is simplifiedly shown as being formed by unique wrapping conductors.With two or more conductors
Parallel coiling, such as two-wire it is equally feasible.The connection end 201 of conductor and enter but by the coil of wrapping conductors
200 are brought out therefrom in the first angled section 112 of the volume Two packet header section 108 of bobbin 100.This is for so
Coil 200 construction machine construction for especially save space because this contribute in the axial direction by its around
Group head keeps very short.
What Fig. 3 showed the example of the stator core 301 of the stator 300 of motor blocks parallax stereogram, according to coil of the present invention
In groove 302 being wound on frame 100, by its stator core of the insertion of coil of the invention 200 of Fig. 1 or 2.The stator of the example
Core 301 has and amounts to 48 grooves, and the numbering of groove is in figure 3 with for the numeral 1,3,6 and 47 that is marked on related groove 302
It is bright.Groove 302 has the receiving cross section of the groove section 101,102 for the bobbin 100 with coil 200, and the cross section has
The twice of the external cross section of the groove section 101,102 of bobbin 100 is so big, i.e. the groove section 101,102 of bobbin 100
N/mono- that external cross section is set to the receiving cross section of groove 302 is so big, and N=2.Here, two adjacent bobbins
Lucky two groove sections 101 or 102 of 100 coils 200 in other words are inserted in wherein each groove 302.Here, bobbin 100
First groove section 101 is arranged in trench bottom along the first sagittal plane, i.e. be radially orientated the outside of stator core 301, relatively,
Second groove section 102 of bobbin 100 along the second sagittal plane and stator core 301 inside and enter but groove 302 towards machine
The opening of the rotation axis of device is disposed adjacent to, that is to say, that be radially arranged in innerly in groove 302.Here, carrying coil
First groove section 101 of 200 bobbin 100 is presented in the groove 302 with numeral 1, the bobbin with coil 200
100 the second groove section 102 is presented in the groove 302 with numeral 3.That is, bobbin 100 and coil 200 are two
Extend on individual separation or two stator tooths 303.Also show position of the angled section 112,113 along the first or second sagittal plane
Put and the leap in the region of the second bending section 114 between first and second sagittal plane.Will be detailed with reference to Fig. 5
Thin description sagittal plane.
In fig. 4, illustrate the partial perspective view of the example of stator core 301 by the stator 300 of Fig. 3, that is, by with
The such identical visual angles of Fig. 3 show the identical part of stator core 301, wherein, four bobbins 121,122,123,124 are placed to
In groove 302, each one in four coils 211,212,213,214 is wound up on this four bobbins respectively.All four line
Coil 121,122,123,124 construct identically in relation to each other and it is consistent with the bobbin 100 of Fig. 1 to Fig. 3 construct, and institute
There are four coils 211,212,213,214 mutually the same and coil 200 with Fig. 1 to Fig. 3.Four bobbins 121,122,
123rd, 124 in other words four coils 211,212,213,214 be stackedly placed in the groove 302 of stator core 301 each other.Therefore,
First groove section of First Line coil 121 is placed in the first groove 302 with label 1 along the first sagittal plane, and first
Second groove section of bobbin 121 is placed in the 3rd groove 302 with label 3 along the second sagittal plane.Second bobbin 122
The first groove section be placed in the second groove 302 with label 2 along the first sagittal plane, and the second bobbin 122
Two groove sections are placed in the 4th groove 302 with label 4 along the second sagittal plane.First groove section of tertiary coil frame 123
Be placed in the 3rd groove 302 with label 3 along the 3rd sagittal plane, and tertiary coil frame 123 the second groove section along
Second sagittal plane is placed in the 5th groove 302 with label 5.Finally, the first groove section of the 4th bobbin 124 is along first
Sagittal plane is placed in the 4th groove 302 with label 4, and the 4th bobbin 124 the second groove section along second radially
Face is placed in the 6th groove 302 with label 6.This order is around whole stator core 301 and possessive construction in stator core
Be in this example 48 the ground of groove 302 continue.Sagittal plane is still will be described in reference to Fig. 5.
Due to bobbin 121,122,123,124 and the identical moulding of bobbin 100, their bending section is loading
From the point of view of circumferential direction after to stator core 301 along machine to by related bobbin across groove 302 it is relative, i.e., in axial direction
Before these grooves.Therefore, the bending section of First Line coil 121 is for example in axial direction located at the groove 302 with label 2
Before before, the bending section of the second bobbin 122 is for example in axial direction located at the groove 302 with label 3, etc..Pass through
The angled section that is connected to each other of bending section with the major part of their extension and the circumferential direction along machine with it is described
The stator tooth 303 of the adjoining of groove 302 is relative, i.e., before these stator tooths are axially located.Thus, for example First Line coil 121
Before first angled section is located at the stator tooth 303 between the groove 302 with label 1 and 2 in the first axial face, and the
Second angled section of one bobbin 121 is located at the stator tooth between the groove 302 with label 2 and 3 in the second axial face
Before 303.Additionally, in this example, the first angled section of the second bobbin 122 is located at mark in the first axial face
Before stator tooth 303 between numbers 2 and 3 groove 302, and the second bobbin 122 the second angled section in the second axial face
In be located at stator tooth 303 between the groove 302 with label 3 and 4 before.In the first and second bobbins 121,122 each other
In the case of being stacked, along the first sagittal plane the second bobbin 122 the first angled section with along the of the second sagittal plane
Before second angled section of one bobbin 121 intersects at the stator tooth 303 between the groove 302 with label 2 and 3.With this
Mode, before one of them such intersection is all located at one of stator tooth 303, and bent area section is located at each groove 302
Before.It is uniformly distributed along the circumferential of machine by the section of the volume packet header section of bobbin 121,122, realizes consolidation
Structure type.
The configuration is illustrated with the vertical view of the axial direction along machine again in Figure 5, wherein, Fig. 5 is also illustrated such as Fig. 4
Such identical arrangement.Additionally, the first sagittal plane is symbolically represented as circle segment and with reference 311 in Fig. 5.
It forms the cylinder with the radius 312 marked from the rotation axis of unshowned machine.Additionally, in the same fashion symbolically
Illustrate the second sagittal plane 321 with radius 322.Half of the radius 322 of the second edge grain 321 less than the first edge grain 311
Footpath 312, their difference is the width of the external cross section of the groove section of bobbin 121,122,123,124.It is illustrated that, bobbin
121st, 122,123,124 it is transformed into along the second footpath from their extension along the first sagittal plane 311 in section is bent
The position of the bending section to the extension in face 321 and before groove 302 and the bending section before stator tooth 303
Position.
Fig. 6 is wound up into the example of the bobbin 100 according to Fig. 1 thereon shown with the coil 200 in the view of Fig. 1, should
Accompanying drawing is stood closer to the 3rd of the direction of visual lines of the radial direction of machine with the direction of visual lines than the first stereogram according to Fig. 1
Body figure.Here, first illustrating being constructed so that " u "-shaped type is wide for the bobbin 100 for one or more conductors of coil 200
, at least almost receiving cross section of rectangle, the bobbin crosses and formed by the " u "-shaped type exterior feature, wherein, the open side of " U "
Circular direction 115 on bobbin 100 is outwardly.Advantageously, bobbin is by the material, the especially plastics system that are electrically insulated
Into.It is also shown that the " u "-shaped type of bobbin 100 is wide having different from groove section 101,102 in section 111,114 is bent
With the moulding of rising zone 109,110,112,113, wherein, the wide side of " u "-shaped type is shortened.
Finally, Fig. 7 is shown with stator core 301 and whole 48 coils 200 or 211,212,213,214 stators 300
Full view, it is configured to the bobbin 100 or 121 with foregoing embodiment, 122,123,124 as the slotting of distribution
In wiring circle, and the manufacture state in equipping completely
List of numerals
100 bobbins
101 100 the first groove section
102 100 the second groove section
103 101 the first axial end portion
104 101 the second axial end portion
105 102 the first axial end portion
106 102 the second axial end portion
107 100 first volume packet header section
108 100 volume Two packet header section
109 107 the first angled section
110 107 the second angled section
111 107 the first bending section
112 108 the first angled section
113 108 the second angled section
114 108 the second bending section
115 around direction
121 211 First Line coil
123 211 the second bobbin
123 211 tertiary coil frame
124 211 the 4th bobbin
200 coils
201 200 connection end or the connection end of the conductor of formation 200
211 121 first coil
212 122 the second coil
213 123 tertiary coil
214 124 the 4th coil
300 stators
301 300 stator core
Groove in 302 301
303 301 stator tooth
311 first sagittal planes
312 311 radius
321 second sagittal planes
322 321 radius
First direction of visual lines of A Fig. 1
Second direction of visual lines of B Fig. 2
Claims (10)
1. a kind of bobbin (100;121st, 122,123,124), the bobbin is determined for winding and accommodating at least one
Individual conductor, at least one conductor is that motor is designed as grafting coil, distributed coil (200;211、212、213、
214) at least one conductor, the grafting coil determine for installation into it is with magnetic poles, by axial groove (302) that
In the stator core and/or rotor core (301) of this separate stator tooth or rotor tooth (303), wherein, the bobbin (100;
121;122;123;124) with two groove sections (101,102) and two volumes packet header section (107,108), the groove section quilt
Construct and be determined for be inserted into the not direct continuous groove of two circumferential directions along the stator (300) and/or rotor
(302) in, volume packet header section by the groove section (101,102) the groove section axial end portion (103,104,
105th, 106) place is connected to each other.
2. bobbin according to claim 1 (100;121st, 122,123,124),
Characterized in that,
The bobbin has and is determined for position and accommodates exactly and/or guide and/or support and/or keep at least one
The groove section (101,102) of thin conductor and/or the design of volume packet header section (107,108).
3. bobbin according to claim 1 and 2 (100;121st, 122,123,124),
Characterized in that,
The bobbin (100;121st, 122,123, the external cross section of groove section (101,102) 124) is set as groove (302)
N/mono- of cross section is accommodated, wherein, N=2,3,4......;Preferably N=2.
4. the bobbin (100 according to claim 1,2 or 3;121st, 122,123,124),
Characterized in that,
- the bobbin (100;121st, 122,123, each volume packet header section (107,108) 124) is configured to have two
Angled section (109,110,112,113) and bending section (111,114), the section that bends is by two angled section phases
Even and in the bobbin (100;121st, 122,123, circumferentially direction is at least approximately medially arranged in region 124)
Between the groove section (101,102),
The first groove section (101) in-groove section (101,102) extends along the first sagittal plane (311), and the second groove
Section (102) extends along the second sagittal plane (321) concentric with first sagittal plane (311),
- and the bobbin (100;121st, 122,123,124) in the region of bending section (111,114) from described
First sagittal plane (311) is transformed into second sagittal plane (321).
5. the bobbin (100 according to claim 1,2,3 or 4;121st, 122,123,124),
Characterized in that,
The bobbin (100;121st, 122,123, receiving cross section 124) is in order to accommodate and/or drawing at least one conductor
In leading and/or support and/or being maintained at the groove section (101,102), with the first moulding and in order at least one is led
Body at least accommodate and/or guide and/or support and/or be maintained at it is described winding head sections (107,108) bending section (111,
114) there is the second moulding in, wherein, especially described second moulding is in machine in the radial direction with first moulding in footpath
There is bigger size to being compared on direction, and wherein, additionally preferred, second moulding is on the axial direction of machine
Size be less than size of first moulding in the circumferential direction of machine.
6. a kind of coil (200;211st, 212,213,214), the coil is determined for being encased in motor,
Characterized in that,
The coil has according to any one of claim 1 to 5 or multinomial described bobbin (100;121、122、123、
124), conductor, especially thinner conductor are accommodated and guided in the bobbin.
7. coil according to claim 6 (200;211st, 212,213,214),
Characterized in that,
At least two electrically in parallel wrapping conductors are to bobbin (100;121st, 122,123, on 124), especially two-wire winding.
8. a kind of stator of motor (300),
Characterized in that,
The stator has a stator core (301), the stator core with least one be disposed thereon according to claim 6 or
Coil (200 described in 7;211、212、213、214).
9. a kind of rotor of motor,
Characterized in that,
The rotor has a rotor core, the rotor core with least one be disposed thereon according to claim 6 or 7
Coil (200;211、212、213、214).
10. a kind of motor,
Characterized in that,
The motor has stator according to claim 8 (300) and/or rotor according to claim 9.
Applications Claiming Priority (2)
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DE102015225586.7 | 2015-12-17 | ||
DE102015225586.7A DE102015225586A1 (en) | 2015-12-17 | 2015-12-17 | Bobbin for an electric coil |
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CN106899108B CN106899108B (en) | 2019-11-01 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2019193354A (en) * | 2018-04-19 | 2019-10-31 | スズキ株式会社 | Stator coil and stator provided with the same |
CN111478483A (en) * | 2018-12-25 | 2020-07-31 | 丰田自动车株式会社 | Stator, method for producing a stator, coil and method for producing a coil |
CN111684692A (en) * | 2018-01-30 | 2020-09-18 | 劳斯莱斯德国有限两合公司 | Active component for an electric machine, comprising a coil with a prefabricated plug-in element and a connecting element, electric machine and production method |
CN111919357A (en) * | 2018-03-27 | 2020-11-10 | 西门子股份公司 | Stator segment |
CN113169610A (en) * | 2018-11-07 | 2021-07-23 | 奥迪股份公司 | Electric machine |
CN112075012B (en) * | 2018-02-12 | 2023-10-20 | 伊普露派尔德有限公司 | electromagnetic device |
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WO2021181573A1 (en) * | 2020-03-11 | 2021-09-16 | 株式会社 東芝 | Stator for rotating electrical machine, and rotating electrical machine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0556589A (en) * | 1991-08-22 | 1993-03-05 | Toshiba Corp | Stator of motor |
CN1628405A (en) * | 2002-10-22 | 2005-06-15 | 三菱电机株式会社 | Rotor for dynamo-electric machine |
WO2009019309A2 (en) * | 2007-08-09 | 2009-02-12 | Continental Automotive Gmbh | Spool carrier having a special contour |
EP2375550A2 (en) * | 2010-04-12 | 2011-10-12 | Wilo Se | Manufacturing stator of rotary electric machine |
CN102369651A (en) * | 2009-04-09 | 2012-03-07 | 株式会社丰田自动织机 | Stator for electric machine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006025778A1 (en) * | 2006-05-31 | 2007-12-06 | Wilo Ag | Method for producing a stator and associated stator |
EP2083505A1 (en) * | 2008-01-28 | 2009-07-29 | Siemens Aktiengesellschaft | Dynamo-electric machine with tooth-wound coils mounted on coil bodies |
JP5516562B2 (en) | 2011-02-09 | 2014-06-11 | 株式会社豊田自動織機 | Coil, stator and coil manufacturing method |
-
2015
- 2015-12-17 DE DE102015225586.7A patent/DE102015225586A1/en active Pending
-
2016
- 2016-12-16 CN CN201611272972.1A patent/CN106899108B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0556589A (en) * | 1991-08-22 | 1993-03-05 | Toshiba Corp | Stator of motor |
CN1628405A (en) * | 2002-10-22 | 2005-06-15 | 三菱电机株式会社 | Rotor for dynamo-electric machine |
WO2009019309A2 (en) * | 2007-08-09 | 2009-02-12 | Continental Automotive Gmbh | Spool carrier having a special contour |
CN102369651A (en) * | 2009-04-09 | 2012-03-07 | 株式会社丰田自动织机 | Stator for electric machine |
EP2375550A2 (en) * | 2010-04-12 | 2011-10-12 | Wilo Se | Manufacturing stator of rotary electric machine |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111684692A (en) * | 2018-01-30 | 2020-09-18 | 劳斯莱斯德国有限两合公司 | Active component for an electric machine, comprising a coil with a prefabricated plug-in element and a connecting element, electric machine and production method |
CN112075012B (en) * | 2018-02-12 | 2023-10-20 | 伊普露派尔德有限公司 | electromagnetic device |
CN111919357A (en) * | 2018-03-27 | 2020-11-10 | 西门子股份公司 | Stator segment |
CN111919357B (en) * | 2018-03-27 | 2023-06-23 | 弗兰德有限公司 | Stator segment |
JP2019193354A (en) * | 2018-04-19 | 2019-10-31 | スズキ株式会社 | Stator coil and stator provided with the same |
JP6996407B2 (en) | 2018-04-19 | 2022-01-17 | スズキ株式会社 | Stator coil and stator equipped with it |
CN113169610A (en) * | 2018-11-07 | 2021-07-23 | 奥迪股份公司 | Electric machine |
CN113169610B (en) * | 2018-11-07 | 2024-03-08 | 奥迪股份公司 | Motor with a motor housing |
CN111478483A (en) * | 2018-12-25 | 2020-07-31 | 丰田自动车株式会社 | Stator, method for producing a stator, coil and method for producing a coil |
CN111478483B (en) * | 2018-12-25 | 2022-06-17 | 丰田自动车株式会社 | Stator, method for producing a stator, coil and method for producing a coil |
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DE102015225586A1 (en) | 2017-06-22 |
CN106899108B (en) | 2019-11-01 |
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