CN106899108B - Bobbin for electric coil - Google Patents
Bobbin for electric coil Download PDFInfo
- Publication number
- CN106899108B CN106899108B CN201611272972.1A CN201611272972A CN106899108B CN 106899108 B CN106899108 B CN 106899108B CN 201611272972 A CN201611272972 A CN 201611272972A CN 106899108 B CN106899108 B CN 106899108B
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- Prior art keywords
- section
- bobbin
- coil
- slot
- stator
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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
Abstract
In order to also realize the advantage as possessed by rectangular conductor coiled coil for the coil being made of thinner conductor and especially for providing a kind of device, by the device can by it is simple, low in cost and accurately in a manner of manufacture distributed two layers of winding or multi-layer winding, propose a kind of bobbin (100;121,122,123,124), it is determined for the distributed coil (200 using the construction of motor as grafting coil;211,212,213,214) at least one conductor carrys out coiling and accommodates at least one conductor, the grafting coil is formed for being encased in magnetic pole, and the grafting coil has determined the stator core and/or rotor core (301) of stator (300) or rotor having through axial groove (302) stator tooth separated from each other or rotor tooth (303), wherein, bobbin (100;121;122;123;124) there are two slot section (101,102) and two volume packet header sections (107,108) for tool, two slot sections are constructed and are determined for be inserted into the non-immediately continuous slot (302) of two circumferential directions along stator (300) and/or rotor, and slot section (101,102) is connected to each other by two volume packet header sections at the axial end portion (103,104,105,106) of slot section.
Description
Technical field
The present invention relates to a kind of bobbins for electrical-coil.In addition, the present invention relates to one kind to have this bobbin
Coil.The invention further relates to the stator, rotor and the motors that have this coil.
Background technique
Coil, the stator of rotating electric machine and for manufacturing coil as known in 10 2,012 201 698 A1 of document DE
Method, wherein coil arrangement in the stator and stator have multiple slits arranged along circumferential direction.Coil has first
Winding sectors, the first winding sectors by by conductive rectangular conductor wound edgewise (Hochkantwickeln) at hexagon shape
Shape is constituted.There are two the first slit insertion pieces around section tool for the first volume, they are arranged in is spaced each other along circumferential direction
In two the first slits opened.First winding sectors also have there are two first coil end pieces, they are inserted with two the first slits
Enter part connection.First slit includes in multiple slits of stator.Coil also has the second winding sectors, and the second winding sectors are logical
The conductive rectangular conductor wound edgewise that will be connect with the first winding sectors is crossed to be formed at hexagonal shape.Here, second around
There are two the second slit insertion pieces for group section tool, they are arranged in two the second slits being separated from each other along circumferential direction
In.Second winding sectors also have there are two the second coil-end component, they connect two the second slit insertion pieces.Second slit
Including 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, then winding will not scatter at the space being unfolded between first or second slit insertion piece.
In addition, coil 30 has length very short along the axial direction of stator.
In the coil, the first and second coil-end components are respectively provided with two tilting zones, they be connected to first or
From these sloped-ends extend on the end of second slit insertion piece and respectively, and the first and second coil-end components point
The rising zone that Ju You do not construct between tilting zone and connect tilting zone.First or second slit insertion piece and line
Enclose the shape that end pieces (i.e. their tilting zone) jointly constructs go out the hexagon from the point of view of the radial direction of stator.
Each slit of stator or stator core accommodates two slit insertion pieces of two adjacent coils.In this state,
First tilting zone of one of them the first winding sectors and the first slit insertion piece are in the outer in the radial direction of stator, that is,
On that radially outer side of slit.Second tilting zone of relevant first winding sectors and the second slit insertion piece
In the inner in the radial direction of stator, that is, on that side inner positioned at the radial direction of slit.First and second tilting zones are connected
That radially outer side is connect by the rising zone connect with radial that inner side.It is connected to relevant first winding sectors
The second winding sectors shape and arrange in the corresponding way, but wherein, the slit insertion pieces of the second winding sectors relative to
The slit insertion piece of first winding sectors arranges with being staggered a slit respectively along circumferential direction in the stator, thus coil
The slit insertion piece of two winding sectors is distributed on a total of four slit.
On the coil, the first and second winding sectors are constructed in the following manner, that is, be arranged in corresponding slit
One and second the long side of cross section of rectangular lead of slit insertion piece 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 conductors
Transition department between slit insertion piece and tilting zone but the strong bending especially in tilting zone, which thereby enhance
The danger of lead damage or the danger damaged around the electric insulation part of conducting wire, such as paint portion.Here, rectangular lead is with its cross section
Long side extend on the entire width of slit in circumferential direction, and the rectangle for being respectively attached to one of winding sectors is led
Line overlies one another in the radial direction stator.Also have among other advantages with the coil that rectangular conductor is formed as a result,
Very big mechanical strength.
Summary of the invention
Technical problem to be solved of the invention is, for the conductor thinner or thinner by opposite aforementioned rectangular conducting wire
Also above-mentioned advantage is realized for the coil being wound into.Technical problem of the invention in particular, in that, a kind of device is provided, its energy is passed through
Simply, low in cost and accurately manufacture distributed two layers of winding or multi-layer winding.
Above-mentioned technical problem is solved by following bobbin, and the bobbin is determined for winding at least one
A conductor and at least one conductor is accommodated, at least one described 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 tool is there are two slot section and the packet header Liang Gejuan area
Section, two slot sections are constructed and are determined for be inserted into two and immediately connect along the circumferential direction of stator and/or rotor is non-
In continuous slot, axial end portion of two volume packet header sections by slot section in slot section is connected to each other.
Therefore, the invention proposes the bobbins of the distributed coil for motor.Bobbin quilt according to the present invention
Determine the grafting coil in the stator core and/or rotor core for being configured to be encased in the stator of motor or rotor.Therefore, electric
The stator and rotor of machine can optionally or coil in a distributed manner is constructed together with bobbin according to the present 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 slot interval, that is to say, that construct with surrounding two or more stator tooths or rotor tooth and be confirmed as being used to form in stator
Coil being stackedly inserted into each other in core and/or rotor core, being inserted by defined loading state.
Here, axial direction indicates to pass through the predetermined direction of rotation axis of motor.In addition, the rotation axis of machine
Be also for provide the circumferential direction consistent with the circumferential direction of machine reference direction and be used 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 by it is defined loading position carry out reservation, also clearly limited with reference to the generally known direction title of machine
Determine for calling the direction title of the structure of bobbin according to the present invention and construction.
Based on above-mentioned concept definition, at least almost in axial direction or with helix along the circumferential direction of machine
The slot of direction orientation is expressed as axial groove.Slot (being also called the slot of machine for short) in rotor core and/or stator core is preferably just
The good axial direction along machine extends, that is, the rotation axis of rotor is parallel to, also parallel with the axis of symmetry of stator and rotor.In
In variant schemes, the slot with helix is preferably extended around the rotation axis with the constant radial spacing with rotation axis.So
And with reference to stator and/or the axial dimension of rotor, helix, i.e. slot 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, at least one preferably small order of magnitude, especially at least ten it is primary
Power.In view of simplicity, though below in the slot for being configured with such helix, the machine-direction oriented of them also always shows as edge
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, bobbin axial end portion indicate bobbin such as lower end, these ends
Portion refers to when they are packed into 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 slot 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 fitted into position bobbin as defined
It is arranged in volume packet header.
Relative to the manufacture being sequentially introduced into single conductor in predetermined slot, the present invention be may be implemented obviously
More rapidly, simpler, less expensive at 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, that is, one or more conductors stator core and/
Or rotor core is externally mounted on bobbin, and then bobbin together with one or more conductors passes through simple grafting
Assembly is assembled in their slot to be assembled on stator core and/or rotor core.Here, the shape spatially of coil is logical
The bobbin in the region of slot and in the region in volume packet header is crossed to make a reservation for.This is fitted into position by defined in stator core
And/or it is particularly advantageous in the distributed coil being stacked each other in rotor core.These coils are in construction according to the present invention
It can also be wound in scheme with high the degree of automation machine formula, thereby save cost and improve the quality of production.Here,
Give the reliable manufacturing process of simple process.Preferably, all grafting coils of stator and/or rotor structure in the same manner thus
At, that is to say, that building is further simplified manufacture and save the cost on the bobbin of same structure to realize.With by conductor
Unlike being introduced into the slot of machine, conductor is no longer consumingly bent now, friction stree also no longer occurs.Conductor material obtains
With protection, the damage in conductor insulation portion, such as insulated paint is avoided.Manufacturing time is considerably reduced on the whole.
Advantageous design scheme of the invention is shown in the dependent claims.
According to preferred improvement project, bobbin according to the present invention have be determined for position accurately accommodates with/
Or the slot section design scheme and/or volume packet header section design side of guidance and/or support and/or the conductor that keeps at least one thin
Case.
Here, the conductor that the thin conductor of term is expressed as follows, 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 conductors can radially and/or circumferential direction side
It is contained in the receiving cross section of bobbin to each other placed side by sidely.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 at least two conductor, 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, that is, compares line in the cross section of conductor
The receiving cross section of coil is 10 times small.
Bobbin is determined for slot section that position accurately accommodates and/or guides and/or support and/or keep
Design scheme and/or the design scheme for rolling up packet header section are meant, design slot section and/or volume packet header area as follows
Section, that is, insertion, the thin conducting wire being wound up into bobbin along slot section and roll up at least several of packet header section in bobbin
Location and shape that entire extension accurately guides into restriction, being reliably fixed, wherein in an advantageous manner, conductor
Section alternately through the wall portion of bobbin and/or the section of conductor guided adjacent to each other guiding and/or support and/or
It keeps, i.e., it is fixed.High copper fill factor (Kupferf ü llfaktor) is also achieved as a result,.
For this purpose, it is preferable that slot section and/or the cross sectional dimensions for rolling up packet header section, the i.e. receiving of bobbin are horizontal
The width and height in section are set to the diameter of conductor or the integer of cross sectional dimensions (for example, especially height and/or width)
Times.
It is particularly preferred that advantageously the bobbin according to the present invention made of electrically insulating material, especially plastics is by structure
Make wide for the type with " u "-shaped, which crosses and formed at least approximate rectangular receiving cross section, wherein the open side of " U "
Circular direction about bobbin is outwardly.Here, one or more conductors accommodated in cross section for being encased in bobbin
Longitudinal extension part, that is, the electric current that is flowed in its conductor or their conductor in the case where being inserted into coil by regulation
Direction to the circular direction for being expressed as bobbin.It is consistent with the axial direction of machine in slot section around direction, it is rolling up
In the section of packet header, extend in a substantially axial direction with axial direction around direction.Correspondingly, when the open side of " U " is in slot area
It is directed toward and in volume packet header section along the circumferential direction of machine along the circumferential direction of machine and/or along the axial direction side of machine in section
To when being directed toward, the open side of " U " about bobbin circular direction outwardly.It, can be with simple side by the design scheme
Formula carries out coiling to bobbin and provides the good fixation of conductor.In addition, also having obtained enough online relative to high voltage
Circle and resistance to breakdown spacing or creepage distance between stator core and/or rotor core, or obtained the coil being stacked each other can
The electrical isolation leaned on.
Here, the wall thickness of the material of bobbin it is very thin setting and preferably bobbin in the region of slot section at least very
It is shape-ordinatedly arranged in slot in big degree, ensures that the good thermal of coil and stator core and/or rotor core.
In the other preferred embodiment of bobbin according to the present invention, the external cross section of the slot section of bobbin is set
It is set to N/mono- of the receiving cross section of slot, wherein N=2,3,4 ...;Preferably N=2.By according to the embodiment
The structural scheme of one or more bobbins advantageously achieves and very well makes full use of the receiving of the slot across bobbin horizontal
Section because slot is completely filled by the slot section that the quantity of N number of bobbin is N and in the stator assembled and/or
Slotted unused receiving cross-sectional space is not stayed in rotor.Herein preferably, N number of slot section in slot only radially
It is arranged side by side.
Each volume packet header section of the preferred improvement project of bobbin according to the present invention, bobbin is configured to have
At least approximation is centrally disposed in along circumferential direction in two angled sections and a region connecting them, in bobbin
Bending section between slot section, the first slot section therein extend along the first sagittal plane, and the second slot 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 indicated to prolong with the constant radial spacing of the rotation axis of machine around the rotation axis
The face stretched.That is, being related to the cylinder extended concentrically about with rotation axis or cover or being related to rotation axis concentrically
The cylinder of extension.
One of bending section of wherein each volume packet header section of bobbin is respectively from one of slot of bobbin
The axial end portion of section at least substantially, preferably exactly along sagittal plane (relevant slot section along the sagittal plane extend),
Mainly extend in the circumferential direction of machine, and and alternatively additionally extends on the axial direction of machine.In
This, two angled sections of volume packet header section extend 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, that is, realize in the axial direction in their extension
With the identical coordinate in circumferential direction, but realize according to the different radial coordinates of different sagittal planes.In this example,
Two tilting zones extended towards are by the connection of bending region, among the bending region, the extension tool of volume packet header section
Have across portion, from one extending direction in angled section and sagittal plane, (this angled section is prolonged along the sagittal plane
Stretch), the i.e. described ramp extension direction, towards other angled section and sagittal plane (this other angled section edge
The sagittal plane extend) inclination extending direction cross over.That is, in bending section, the circumferential direction side above-mentioned of bobbin
To experienced from one facing radially towards the leap of another sagittal plane and prolong from an inclination extending direction to another inclination
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 the same angle be guided toward each other, the bending section that these angled sections are connected is at least almost placed in the middle
Ground is located at along circumferential direction between slot section.
Therefore in other words, bobbin and coil mounted thereto in turn for example turn from the first sagittal plane in bending section
Change to the second sagittal plane.Bobbin swings to the from the first sagittal plane in bending section in the extension on the circular direction
Two sagittal planes.Here, the radius of the first sagittal plane is set to the radius than the second sagittal plane for example from the rotation axis of machine
Greatly, to be placed to the section of the bobbin of stator core and/or rotor core extended in the first sagittal plane by regulation and by rule
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.In this way, bobbin can be stacked each other along circumferential direction together with the conductor being placed in them.
In other design scheme, more than two sagittal plane also can be set, in these sagittal planes, different coils
The slot section of bobbin can with different distributions arrange that such as the first slot section of First Line coil is arranged in the first sagittal plane
In, the second slot section of First Line coil is arranged in the second sagittal plane, and the first slot section of the second bobbin is arranged in third
In sagittal plane, the second slot section of the second bobbin is arranged in the 4th sagittal plane, etc..
The scheme that is advantageously improved of bobbin according to the present invention is characterized in that the receiving cross section of bobbin is for general
At least one conductor, which is accommodated and/or guided and/or supports and/or be maintained in slot section, has the first moulding and in order near
A few conductor, which is at least accommodated and/or guided and/or supports and/or be maintained at, has second in the bending section of volume packet header section
Moulding, wherein especially the second moulding is greater than the size of the first moulding 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 be in circumferential direction less than the first moulding
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, at least partly, is for example surrounded with " u "-shaped above-mentioned by the wall portion of bobbin.The cross
Area of section has wide the first shape for forming the first moulding, especially the first width and the first height in slot section.According to this
The improvement project above-mentioned of invention, the present cross-sectional area at least also exist in the bending section of volume packet header section, advantageously
Volume packet header section in the angled section that is directly connected to of bending section with the extension of predetermined degree, so as to therefore can be more
The conductor especially guidance that is curved and therefore bending in bending section transfer is looked after well.The extension cause to make conductor guide portion and
Its bending section needed for bending section is become to mitigate.The meaning of extension especially accommodates cross section along the radial direction side of machine
To broadening, reduce the bending section above-mentioned of conductor as a result,.Herein preferably, it is widened and is held by the radial direction along machine
The axial direction that cross section may be implemented of receiving narrows, for example " U, shortening for the side of shape is arranged with following degree, that is, cross section
Area is integrally at least kept approximately constant, so as to accommodate the constant conductor of quantity.Conductor, such as coil lead pass through line
The guidance of the restriction of coil can realize line in the region in volume packet header, in the bending section of especially farthest in the axial direction protrusion
Coil is the structure type of the stator of machine and/or the volume packet header section of rotor in axial direction shortened in turn.Here, only permitting
Perhaps implement the change of receiving cross section with following degree, that is, be adjacent to, be stackedly placed in stator core and/or rotor core
Bobbin do not collided 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 holds in the bobbin especially in accordance with the thin conductor of above-mentioned concept definition
It receives and guides.Such coil can manufacture in a simple manner and can be assemblied in stator core and/or rotor core and
Have the advantages that all to have described for bobbin according to the present invention.
In the favourable improvement scheme of coil according to the present invention, at least two electrically in parallel wrapping conductors to bobbin
On, especially two-wire is wound.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 is concurrently wound, 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 in machine operation, for two windings, magnetic flux is consistent.Furthermore, it is possible to in this way
Design scheme the effect of kelvin effect is limited in operation.
Above-mentioned technical problem is also solved by the stator of motor, which has stator core, and stator core is at least
The coil of one the above-mentioned type being disposed thereon, that is, its bobbin for having the structural scheme illustrated.It is according to the present invention
Stator simple, durable and reliable for operation ground component and can have simple mode to manufacture, because being only wound up into root by being inserted into
Coiling is achieved that according to the prefabricated coil on bobbin of the invention, and therefore can be quickly and with high manufacturing quality
To execute coiling.
Above-mentioned technical problem is also solved by the rotor of motor, which is characterized by having rotor core, rotor
The coil for the above-mentioned type that core ribbon has at least one to be disposed thereon, wherein obtained identical as in above-mentioned stator
For manufacture and produce the advantages of.
Above-mentioned technical problem finally also by stator and/or rotor with the above-mentioned type and with above-mentioned feature and
The motor of advantage solves.
Detailed description of the invention
It is shown in the accompanying drawings and the embodiment of the present invention has been described below in detail, wherein is consistent in all the appended drawings
Element be equipped with identical appended drawing reference and eliminate the repeated description to these elements.In the accompanying drawings:
Fig. 1 shows the example for the coil according to the present invention being wound up on bobbin according to the present invention, the attached drawing be with
Largely close to the first perspective view of the direction of visual lines of the radial direction for the machine for having the coil by prescribed equipment;
Fig. 2 shows the examples of coil according to the present invention and bobbin according to the present invention by Fig. 1, which is with very
Close to the second perspective view of the direction of visual lines of the axial direction for the machine for having the coil by prescribed equipment in big degree;
Fig. 3 shows the exemplary local perspective view of stator core, and it is fixed to be inserted into this by the coil according to the present invention of Fig. 1 or 2
In the slot of sub- core;
Fig. 4 shows the exemplary truncation parallax stereogram of the stator core by Fig. 3, by four lines according to the present invention of Fig. 1 or 2
Circle is stackedly inserted into each other in the slot of the stator core;
Fig. 5 illustrates the example of the stator core with four coils according to Fig. 4 with the vertical view along the axial direction of machine;
Fig. 6 shows the example of bobbin according to the present invention (in the view of Fig. 1, coil is wound up on the bobbin),
The attached drawing be with than according to the direction of visual lines of the first perspective view of Fig. 1 closer to machine radial direction direction of visual lines third
Perspective view;
Fig. 7 shows showing for the stator core for motor completely equipped with coil according to the present invention, by Fig. 1 construction
Example.
Specific embodiment
In Fig. 1, the example of the bobbin for being equipped with according to the present invention is represented with appended drawing 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 indicated in Fig. 2 with A
Show 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 has rotated about 20 to 30 degree towards the axial direction and circumferential direction of machine respectively.Here, sight side
Rotation axis to A from machine is outwardly.
Bobbin 100 includes linearly extended first slot section 101 and linearly extended second slot section 102.First slot
Section 101 has first axis end 103 and the second axial end portion 104.In the same manner, the second slot section 102 has first
Axial end portion 105 and the second axial end portion 106.Here, the first axis end 103 of first or second slot section 101 or 102 or
105 be the first axis end that the stator core and/or rotor core of machine are sticked on when bobbin 100 by regulation is packed into machine
End in portion, and the second axial end portion 104 or 106 of first or second slot section 101 or 102 be by bobbin 100 by
The end on the stator core of machine and/or the second axial end portion of rotor core is sticked on when being packed into regulation machine.In the view of Fig. 1
In figure, the first axis end of machine is directed toward to the left and the second axial end portion of machine is directed toward 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 passes through in coil
Frame 100 by it is defined be fitted into position, the bobbin 100 for the arrangement that reclines in stator and/or rotor together with winding on it
The volume packet header section of coil 200 formed.Accordingly, bobbin 100 (is being located at the of machine by defined is fitted into position at it
On one axial end portion) there is on first axis end first volume packet header section 107, and defined loading position is being pressed at it
In stick on the second axial end portion on the second axial end portion of machine there is volume Two packet header section 108.
The first volume packet header section 107 of bobbin 100 includes the first angled section 109, is connected to the first slot in side
On the first axis end 103 of section 101, and including the second angled section 110, the second slot section is connected in side
On 102 first axis end 105.In the other side, the first angled section 109 of first volume packet header section 107 and the second inclination
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, on the second axial end portion 104 that side is connected to the first slot section 101, and including the second inclination
Section 113, on the second axial end portion 106 that side is connected to the second slot section 102.In the other side, volume Two packet header area
The 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 by the view described here of Fig. 2 and bobbin 100 and by being illustrated in Fig. 1 by arrow B
Direction of visual lines (it is largely close to the direction of visual lines of the axial direction for the machine for having by prescribed equipment coil 200)
It can be seen that the first slot section 101, the first angled section 109 of first volume packet header section 107 and volume Two packet header section 108
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 slot 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.
First radius, i.e. the first sagittal plane radius measured from the rotation axis of machine greater than the second radius, i.e. the second sagittal plane
Radius, thus by regulation be placed in the bobbin 100 of stator core and/or rotor core the section 101 extended in the first sagittal plane,
109,112 with the section 102 extended in the second sagittal plane of the bobbin 100 that stator core and/or rotor core are placed in by regulation,
110, it 113 compares with rotation axis at a distance of farther.Sagittal plane is illustrated below with reference to Fig. 5.
Bobbin 100 and the coil 200 being installed therein bending section 111 and 114 first and second sagittal plane it
Between convert.If the circular direction 115 of bobbin 100 is selected as clockwise in the view of Fig. 1, bobbin 100 and it is mounted on
Coil 200 therein is for example transformed into the first sagittal plane from the second sagittal plane in the first bending section 111.That is,
Bobbin 100 redirect to the from the second sagittal plane in the first bending section 111 in the extension on the circular direction
One sagittal plane.From the point of view of identical circular direction, bobbin 100 and and then be to apply the coil 200 being installed therein along them
Other extension is converted back to the second sagittal plane from the first sagittal plane in the second bending section 114.That is, bobbin
100 bend in section 114 in the extension on the circular direction second rotates back into the second radial direction from the first sagittal plane
Face.
Here, the longitudinal of one or more conductors being put into the receiving cross section of bobbin 100 extends, namely exists
Use according to regulations with one or more conductors formed coil 200 when flowed in one or more conductors sense of current,
It is expressed as the circular direction 115 of bobbin 100.
Bobbin 100 be configured to it is being made of the megohmite insulant of thin-walled, with around the vertical " u "-shaped in direction 115
Cross section, annular on surrounding 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 foring accommodating cross section.Annular of open 4th side of " U " in shell
Circular direction on from the point of view of outwardly.Via open side, one or more conductors are simply put into bobbin 100
It accommodates in cross section.In the view of Fig. 1 and 2, coil 200, which is arranged in, to be accommodated in cross section.
The receiving cross section of bobbin has the along slot section 101,102 and angled section 109,110,112,113
One moulding, the first moulding, which has, persistently keeps the identical width in the radial direction in machine along around direction 115, that is,
With the clear spacing between lateral side for keeping identical " U ", and has and remain the identical axial direction in machine
Height on direction, that is, there is the length for the lateral side for keeping identical " U ".In contrast, bending section 111,
Width increases in 114, this combines the second bending section 114 to show especially in Fig. 2, and height reduces, this is especially in Fig. 1
It is shown in conjunction with two bending sections 111,114, thus accommodates cross section and use the second moulding there.As a result, by curved
Folding area section 111,114 guides one or more conductors to become easy, and/or coil 200 may be implemented in the axial direction of 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 " is here meant that relative to the conductors cross for accommodating cross section very little, especially
It is at least 10 times small.Correspondingly, the shell of thin-walled means that the thickness several times of the wall portion of shell are less than and accommodates cross section
It is high or wide, it is preferably same at least 10 times small.
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 and then be coil by wrapping conductors
200 in the first angled section 112 of the volume Two packet header section 108 of bobbin 100 from being wherein brought out.This is for in this way
Coil 200 construct made of machine construction for especially save space because this facilitate in the axial direction by its around
Group head keeps very short.
Fig. 3 shows the exemplary truncation parallax stereogram of the stator core 301 of the stator 300 of motor, in coil according to the present invention
In slot 302 being wound on frame 100, by its stator core of the insertion of coil according to the present invention 200 of Fig. 1 or 2.The exemplary stator
Core 301, which has, amounts to 48 slots, for the number 1,3,6 and 47 that the number of slot marks on relevant slot 302 in Fig. 3
It is bright.Slot 302 has the receiving cross section of the slot section 101,102 for the bobbin 100 with coil 200, which has
Twice of the external cross section of the slot section 101,102 of bobbin 100 is so big, that is, the slot section 101,102 of bobbin 100
N/mono- that external cross section is set to the receiving cross section of slot 302 is so big, and N=2.Here, two adjacent bobbins
Lucky two slot sections 101 or 102 of 100 coils 200 in other words are inserted in wherein each slot 302.Here, bobbin 100
First slot section 101 is arranged in trench bottom along the first sagittal plane, that is, in the outside for being radially orientated stator core 301, relatively,
Second slot section 102 of bobbin 100 along the second sagittal plane and stator core 301 inside and be in turn slot 302 towards machine
The opening of the rotation axis of device is disposed adjacently, that is to say, that radial to be arranged in slot 302 innerly.Here, having coil
First slot section 101 of 200 bobbin 100 is presented in the slot 302 with number 1, the bobbin with coil 200
100 the second slot section 102 is presented in the slot 302 with number 3.That is, bobbin 100 and coil 200 are two
Extend on a separation or two stator tooths 303.Angled section 112,113 is also shown along the position of first or second sagittal plane
It sets and the leap between first and second sagittal plane in the region of the second bending section 114.It will be detailed below with reference to Fig. 5
Thin description sagittal plane.
In Fig. 4, illustrate the exemplary partial perspective view of the stator core 301 of the stator 300 by Fig. 3, that is, by with
The visual angle identical like that Fig. 3 shows the identical part of stator core 301, wherein four bobbins 121,122,123,124 are placed to
In slot 302, each one in four coils 211,212,213,214 is wound up into respectively on this four bobbins.All four lines
Coil 121,122,123,124 construct identically in relation to each other and it is consistent with the bobbin of Fig. 1 to Fig. 3 100 construct, and institute
Coil 200 that is mutually the same there are four coil 211,212,213,214 and having Fig. 1 to Fig. 3.Four bobbins 121,122,
123,124 in other words four coils 211,212,213,214 be stackedly placed in the slot 302 of stator core 301 each other.For this purpose,
First slot section of First Line coil 121 is placed in the first slot 302 with label 1 along the first sagittal plane, and first
Second slot section of bobbin 121 is placed in the third slot 302 with label 3 along the second sagittal plane.Second bobbin 122
The first slot section be placed in the second slot 302 with label 2 along the first sagittal plane, and the of the second bobbin 122
Two slot sections are placed in the 4th slot 302 with label 4 along the second sagittal plane.First slot section of tertiary coil frame 123
Be placed in the third slot 302 with label 3 along third sagittal plane, and the second slot section of tertiary coil frame 123 along
Second sagittal plane is placed in the 5th slot 302 with label 5.Finally, the first slot section of the 4th bobbin 124 is along first
Sagittal plane is placed in the 4th slot 302 with label 4, and the second slot section of the 4th bobbin 124 is radial along second
Face is placed in the 6th slot 302 with label 6.This order is around entire stator core 301 and possessive construction in stator core
Be in this example 48 302 ground of slot continue.It still will be described in sagittal plane below with reference to Fig. 5.
Due to the moulding identical with bobbin 100 of bobbin 121,122,123,124, their bending section is being packed into
To after stator core 301 from the point of view of the circumferential direction of machine, with by relevant bobbin across slot 302 relatively, i.e., in axial direction
Before these slots.Therefore, the bending section of First Line coil 121 is for example in axial direction located at the slot 302 with label 2
Before, the bending section of the second bobbin 122 for example in axial direction be located at label 3 slot 302 before, etc..Pass through
The angled section that is connected to each other of bending section is with the major part of their extension and circumferential direction along machine and described
The adjacent stator tooth 303 of slot 302 is opposite, i.e., before being axially located at these stator tooths.Thus, for example First Line coil 121
First angled section is before being located at the stator tooth 303 between the slot 302 with label 1 and 2 in first axis face, and the
Second angled section of one bobbin 121 is in the stator tooth being located between the slot 302 with label 2 and 3 in the second axial face
Before 303.In addition, in this example, the first angled section of the second bobbin 122 is located in first axis face with mark
Before stator tooth 303 between numbers 2 and 3 slot 302, and the second angled section of the second bobbin 122 is in the second axial face
In be located at label 3 and 4 slot 302 between stator tooth 303 before.The first and second bobbins 121,122 each other
In the case where being stacked, along the first sagittal plane the second bobbin 122 the first angled section with along the of the second sagittal plane
Second angled section of one bobbin 121 intersects at before the stator tooth 303 between the slot 302 with label 2 and 3.With this
Mode, one of them such intersection is all located at before one of stator tooth 303, and bent area section is located at each slot 302
Before.It is uniformly distributed by the section of the volume packet header section of bobbin 121,122 along the circumferential of machine, realizes consolidation
Structure type.
The configuration is illustrated again with the vertical view of the axial direction along machine in Fig. 5, wherein Fig. 5 is also illustrated such as Fig. 4
Such identical arrangement.In addition, the first sagittal plane is symbolically used as circle segment and is indicated with appended drawing reference 311 in Fig. 5.
It forms the cylinder with the radius 312 marked from the rotation axis of unshowned machine.In addition, in the same way symbolically
Illustrate the second sagittal plane 321 with radius 322.Half of the radius 322 of second edge grain 321 less than the first edge grain 311
Diameter 312, their difference are the width of the external cross section of the slot section of bobbin 121,122,123,124.It shows, bobbin
121, it 122,123,124 is transformed into from their extension along the first sagittal plane 311 along the second diameter in bending section
To the extension in face 321 and in the position of the bending section before slot 302 and the bending section before the 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
Attached drawing is vertical with the third than direction of visual lines closer to the direction of visual lines of the radial direction of machine according to the first perspective view of Fig. 1
Body figure.Here, first illustrating constructing with " u "-shaped type exterior feature for the bobbin 100 of one or more conductors for coil 200
, at least almost the receiving cross section of rectangle, the bobbin are crossed and are formed by the " u "-shaped type exterior feature, wherein the open side of " U "
Circular direction 115 about bobbin 100 is outwardly.Advantageously, bobbin by be electrically insulated material, especially plastics system
At.It is also shown that the " u "-shaped type exterior feature of bobbin 100 has in bending section 111,114 is different from slot section 101,102
With the moulding of rising zone 109,110,112,113, wherein shorten the side of " u "-shaped type exterior feature.
Finally, Fig. 7 is shown with stator core 301 and all 48 coils 200 or 211,212,213,214 stator 300
Full view, be configured to bobbin 100 or 121 with embodiment above-mentioned, 122,123,124 as the slotting of distribution
Wiring circle, and in the manufacture state equipped completely
List of numerals
100 bobbins
101 100 the first slot section
102 100 the second slot section
103 101 first axis end
104 101 the second axial end portion
105 102 first axis end
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
The connection end of 201 200 conductor for connecting end or forming 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
Slot in 302 301
303 301 stator tooth
311 first sagittal planes
312 311 radius
321 second sagittal planes
322 321 radius
The first direction of visual lines of A Fig. 1
The second direction of visual lines of B Fig. 2
Claims (11)
1. a kind of bobbin (100;121,122,123,124), the bobbin is determined for winding and accommodating at least one
A conductor, at least one described conductor are 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 separated stator tooth or rotor tooth (303), wherein the bobbin (100;
121;122;123;124) there are two slot section (101,102) and two volume packet header sections (107,108), the slot section quilts for tool
Construct and be determined for be inserted into two along the not direct continuous slot of the circumferential direction of the stator (300) and/or rotor
(302) in, volume packet header section by the slot section (101,102) the slot section axial end portion (103,104,
105,106) place be connected to each other,
The bobbin (100;121,122,123,124) each volume packet header section (107,108) is configured to there are two tools
Angled section (109,110,112,113) and a bending section (111,114), the bending section is by two angled section phases
Even and in the bobbin (100;121,122,123,124) in region along circumferential direction medially or it is approximate medially
It is arranged between the slot section (101,102),
The first slot section (101) in the slot section (101,102) extends along the first sagittal plane (311), and the second slot
Section (102) extends along with concentric the second sagittal plane (321) of first sagittal plane (311),
And the bobbin (100;121,122,123,124) in the region of bending section (111,114) from described
First sagittal plane (311) is transformed into second sagittal plane (321).
2. bobbin (100 according to claim 1;121,122,123,124), which is characterized in that the bobbin tool
There is the slot section for being determined for the conductor that position accurately accommodates and/or guides and/or support and/or keep at least one thin
(101,102) and/or the design scheme for rolling up packet header section (107,108).
3. bobbin (100 according to claim 1;121,122,123,124), which is characterized in that the bobbin
(100;121,122,123,124) external cross section of slot section (101,102) is set as the N of the receiving cross section of slot (302)
/ mono-, wherein N=2,3,4 ....
4. bobbin (100 according to claim 3;121,122,123,124), which is characterized in that N=2.
5. according to claim 1 to bobbin (100 described in one of 4;121,122,123,124), which is characterized in that the line
Coil (100;121,122,123,124) receiving cross section is in order to accommodate and/or guide and/or support at least one conductor
And/or it is maintained in the slot section (101,102), there is the first moulding and in order at least accommodate at least one conductor
And/or it guidance and/or support and/or is maintained in the bending section (111,114) of volume packet header section (107,108) and has
Second moulding, wherein second moulding has compared with first moulding in radial directions in the radial direction machine
There is bigger size, and wherein, additionally, size of second moulding on the axial direction of machine is less than described first
Size of the moulding in the circumferential direction of machine.
6. a kind of coil (200;211,212,213,214), the coil is determined for being encased in motor, and feature exists
In the coil has bobbin (100 according to any one of claim 1 to 5;121,122,123,124), conductor
It accommodates and guides in the bobbin.
7. coil (200 according to claim 6;211,212,213,214), which is characterized in that at least two is electrically in parallel
Wrapping conductors to bobbin (100;121,122,123,124) on.
8. coil (200 according to claim 6;211,212,213,214), which is characterized in that at least two is electrically in parallel
Conductor bobbin (100 is wound up by two-wire;121,122,123,124) on.
9. a kind of stator of motor (300), which is characterized in that the stator has stator core (301), and the stator core is with extremely
A few coil (200 according to any one of claim 6 to 8 being disposed thereon;211,212,213,214).
10. a kind of rotor of motor, which is characterized in that the rotor has rotor core, and the rotor core has at least one cloth
Set the coil (200 according to any one of claim 6 to 8 on it;211,212,213,214).
11. a kind of motor, which is characterized in that the motor have stator according to claim 9 (300) and/or according to
Rotor described in any one of claim 10.
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DE102015225586.7A DE102015225586A1 (en) | 2015-12-17 | 2015-12-17 | Bobbin for an electric coil |
DE102015225586.7 | 2015-12-17 |
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DE102018201345A1 (en) * | 2018-01-30 | 2019-08-01 | Siemens Aktiengesellschaft | Active part for an electric machine comprising a coil with prefabricated attachment elements and connecting elements, electrical machine and manufacturing method |
GB2570927B (en) * | 2018-02-12 | 2023-05-31 | Epropelled Ltd | Electromagnetic devices |
EP3547501A1 (en) * | 2018-03-27 | 2019-10-02 | Siemens Aktiengesellschaft | Stator segment |
JP6996407B2 (en) * | 2018-04-19 | 2022-01-17 | スズキ株式会社 | Stator coil and stator equipped with it |
DE102018218962A1 (en) * | 2018-11-07 | 2020-05-07 | Audi Ag | Electrical machine |
JP7067458B2 (en) * | 2018-12-25 | 2022-05-16 | トヨタ自動車株式会社 | Stator, method of manufacturing stator, coil and method of manufacturing it |
WO2021181573A1 (en) * | 2020-03-11 | 2021-09-16 | 株式会社 東芝 | Stator for rotating electrical machine, and rotating electrical machine |
Citations (3)
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CN1628405A (en) * | 2002-10-22 | 2005-06-15 | 三菱电机株式会社 | Rotor for dynamo-electric machine |
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 |
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JPH0556589A (en) * | 1991-08-22 | 1993-03-05 | Toshiba Corp | Stator of motor |
DE102006025778A1 (en) * | 2006-05-31 | 2007-12-06 | Wilo Ag | Method for producing a stator and associated stator |
DE102007037611B3 (en) * | 2007-08-09 | 2009-06-10 | Continental Automotive Gmbh | Coil carrier with special contour |
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 |
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2015
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Publication number | Priority date | Publication date | Assignee | Title |
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CN1628405A (en) * | 2002-10-22 | 2005-06-15 | 三菱电机株式会社 | Rotor for dynamo-electric machine |
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 |
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