CN106787282A - A kind of magneto - Google Patents
A kind of magneto Download PDFInfo
- Publication number
- CN106787282A CN106787282A CN201611252865.2A CN201611252865A CN106787282A CN 106787282 A CN106787282 A CN 106787282A CN 201611252865 A CN201611252865 A CN 201611252865A CN 106787282 A CN106787282 A CN 106787282A
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- China
- Prior art keywords
- tooth
- connecting portion
- cavity volume
- stator core
- armature
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to a kind of magneto, Exciting Windings for Transverse Differential Protection is wound with armature tooth, because stator core is in the form of multiple armature tooths and multiple assist tooth splicings, so, Exciting Windings for Transverse Differential Protection just can be easily wound on armature tooth, then it is spliced into stator core with assist tooth in the armature tooth that will be wound with Exciting Windings for Transverse Differential Protection, this makes it possible to the magnet exciting coil that Exciting Windings for Transverse Differential Protection is easily wound on armature tooth, just magnet exciting coil can be easily set to fill up winding wire slot, ensure the copper factor of stator core, so as to improve the magnetic field intensity produced by stator core, improve the output torque of motor.
Description
Technical field
The present invention relates to a kind of magneto, belong to technical field of motor manufacture.
Background technology
Why efficiently magneto is a kind of high efficiency motor, because permanent magnet machine rotor uses rare earth permanent-magnetic material
The permanent magnet pole (permanent-magnet pole) being made carrys out excitation, substituted for the mode of traditional magnet exciting coil excitation, thus larger reduction
The copper loss of motor, improves the efficiency of motor.Simultaneously magneto have power factor higher and it is easily controllable the characteristics of,
It is widely applied in fields such as electric automobile, Aero-Space, industrial equipments.
Due to permanent-magnet material costly, if the magnetic pole of rotor all uses permanent magnet pole, motor into
Originally will be high, so, due to permanent-magnet material costly, if the magnetic pole of rotor all uses permanent magnet pole,
The cost of motor will be high, and permanent-magnet pole is made up of permanent-magnet material, and soft magnetism pole is the boss on rotor core, rotor core
It is made up of ferromagnetic material, soft magnetism magnetic pole itself can not produce magnetic field, the main field that permanent-magnet pole is produced passes through its corresponding air gap
Stator core is transferred to, then enters soft magnetism pole by soft magnetic pole surfaces air gap, so soft magnetism pole surface induction intensity is less than forever
The magnetic induction intensity of magnetic pole surfaces, due to wind Exciting Windings for Transverse Differential Protection on the armature tooth of stator core, Exciting Windings for Transverse Differential Protection has magnet exciting coil
It is entwined, so, need to set notch on stator core, and in order to adapt to the width of the magnet exciting coil of Exciting Windings for Transverse Differential Protection, it is fixed
It is relatively wide that notch on sub- iron core must also do, and is passed through with the magnet exciting coil that can make Exciting Windings for Transverse Differential Protection.If on stator core
Notch is too wide to produce larger magnetic pressure to drop, and influence the torque output of motor, and (cogging torque is also to make the cogging torque of motor
The torque that the interphase interaction of permanent magnet and stator core is produced during magneto winding no power, is by permanent magnet and armature tooth
The tangential component of Interaction Force cause) pulsation increases；If the notch on stator core is too narrow and can cause in stator
Magnet exciting coil is wound on iron core extremely inconvenient, it is difficult to magnet exciting coil is filled up in the winding wire slot of stator core, and causes stator
The copper factor (copper factor refers to the ratio that space in groove is taken after coil is put into groove) of iron core is relatively low, also results in motor
Output torque reduction.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of magneto, it is possible to increase
Replace the output torque of pole motor in the present invention.
To achieve the above object, a kind of magneto that the present invention is provided is adopted the following technical scheme that：A kind of magneto,
Including stator core and rotor core, the outer peripheral face of the rotor core is provided with multiple soft magnetism poles；Two adjacent soft magnetism poles
Between be provided with a permanent-magnet pole, the stator core includes the multiple armature tooths being distributed along the circumferencial direction of stator core, adjacent
Two armature tooths between be provided with an assist tooth, adjacent armature tooth and assist tooth is stitched together, armature tooth and assist tooth
Between form winding wire slot, Exciting Windings for Transverse Differential Protection is wound with the armature tooth, Exciting Windings for Transverse Differential Protection is passed through from winding wire slot.
Preferably, the armature tooth has the first teeth portion, first connecting portion and the first tooth body portion, and the first tooth body portion is along fixed
Sub- iron core is radially extended, and the first teeth portion and first connecting portion extend along the circumferencial direction of stator core, and the two of the first tooth body portion
End is connected with the middle part in the first teeth portion and the middle part of first connecting portion respectively；The assist tooth has the second teeth portion, second
Connecting portion and the second tooth body portion, the second tooth body portion radially extend along stator core, and the second teeth portion and second connecting portion are along stator
The circumferencial direction of iron core extends, and the two ends in the second tooth body portion connect with the middle part of the middle part in the second teeth portion and second connecting portion respectively
Connect；Adjacent first connecting portion and second connecting portion is stitched together.
Preferably, the winding wire slot, the first teeth portion and the second tooth are formed between the first tooth body portion and the second tooth body portion
The teeth groove of stator core is formed between tooth portion.
Preferably, the head end of the first connecting portion is provided with clamping tooth, and the end of first connecting portion is provided with card interface；It is described
The head end of second connecting portion is provided with clamping tooth, and the end of second connecting portion is provided with card interface；The of neighbouring first connecting portion head end
Card interface on two connecting portions splices with the clamping tooth of the first connecting portion head end, the second connection of neighbouring first connecting portion end
Clamping tooth in portion splices with the card interface of the first connecting portion end.
Preferably, the first teeth portion of each armature tooth and the second teeth portion of each assist tooth surround the receiving rotor core
Cylindrical cavity volume, the permanent-magnet pole have first arc surface relative with the cavity volume inwall of cylindrical cavity volume, the soft magnetism pole
With second arc surface relative with the cavity volume inwall of cylindrical cavity volume；In the cavity volume of second arc surface and cylindrical cavity volume
Gap between wall is less than the gap between the cavity volume inwall of the first arc surface and cylindrical cavity volume.
Preferably, the gap between the cavity volume inwall of the middle part of second arc surface and cylindrical cavity volume is less than the
Gap between the cavity volume inwall of the both sides position of one arc surface and cylindrical cavity volume.
Preferably, the pitch of the Exciting Windings for Transverse Differential Protection and the ratio of the pole span of motor are 0.8~1.0.
Preferably, the pitch of the Exciting Windings for Transverse Differential Protection and the pole span of motor are equal.
Preferably, the opposite polarity of the soft magnetism pole and permanent-magnet pole.
As described above, a kind of magneto of the present invention, has the advantages that：A kind of Permanent Magnet and Electric of the invention
Machine, is wound with Exciting Windings for Transverse Differential Protection on armature tooth, because stator core is in the form of multiple armature tooths and multiple assist tooth splicings, this
Sample, it becomes possible to Exciting Windings for Transverse Differential Protection is easily wound on armature tooth, then will be wound with the armature tooth and assist tooth of Exciting Windings for Transverse Differential Protection
Stator core is spliced into, this makes it possible to the magnet exciting coil that Exciting Windings for Transverse Differential Protection is easily wound on armature tooth, it becomes possible to easily
Magnet exciting coil is set to fill up winding wire slot, it is ensured that the copper factor of stator core, so that the magnetic field intensity produced by stator core is improved,
Improve the output torque of motor.
Brief description of the drawings
Fig. 1 is shown as a kind of stator core of magneto of the invention and the scheme of installation of rotor core.
Fig. 2 is shown as the structural representation of stator core.
Fig. 3 is shown as the structural representation of rotor core.
Fig. 4 is shown as the connection diagram of armature tooth and assist tooth.
Fig. 5 is shown as the structural representation of armature tooth.
Fig. 6 is shown as the structural representation of assist tooth.
Fig. 7 is shown as the structural relation schematic diagram between the second circular arc and cavity volume inwall.
Fig. 8 is shown as the structural relation schematic diagram between the first circular arc and cavity volume inwall.
Fig. 9 is shown as the expanded schematic diagram of the armature tooth of stator core, assist tooth, and the rectangle frame where wherein N is represented encourages
N pole fields region produced by magnetic winding, the rectangle frame where S represents the S pole fields region produced by Exciting Windings for Transverse Differential Protection.
Component label instructions
The teeth portion of 1 stator core 12 second
The second connecting portion of 2 rotor core 13
The tooth body portion of 3 soft magnetism pole 14 second
The teeth groove of 4 permanent-magnet pole 15
The auxiliary tank of 5 armature tooth 16
The clamping tooth of 6 assist tooth 17
The card interface of 7 winding wire slot 18
The cylindrical cavity volume of 8 Exciting Windings for Transverse Differential Protection 19
The arc surface of 9 first teeth portion 20 first
The arc surface of 10 first connecting portion 21 second
The cavity volume inwall of 11 first tooth body portion 22
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages of the invention and effect easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., is only used to coordinate specification to be taken off
The content shown, so that those skilled in the art understands and reads, is not limited to enforceable qualifications of the invention, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influenceing the present invention
Under the effect that can be generated and the purpose to be reached, all should still fall obtain the model that can cover in disclosed technology contents
In enclosing.Meanwhile, in this specification it is cited such as " on ", D score, "left", "right", the term of " centre " and " ", be also only
It is easy to understanding for narration, and is not used to limit enforceable scope of the invention, its relativeness is altered or modified, without essence
Under change technology contents, when being also considered as enforceable category of the invention.
As shown in Figure 1 to Figure 3, the present invention provides a kind of magneto, including stator core 1 and rotor core 2, described turn
The outer peripheral face of sub- iron core 2 is provided with multiple soft magnetism poles 3；A permanent-magnet pole 4 is provided between two adjacent soft magnetism poles 3, it is described fixed
Sub- iron core 1 includes the multiple armature tooths 5 being distributed along the circumferencial direction of stator core 1, and one is provided between two adjacent armature tooths 5
Individual assist tooth 6, adjacent armature tooth 5 and assist tooth 6 is stitched together, and the armature tooth 5 and assist tooth 6 are by ferromagnetic material system
Into thin slice stacking form, between armature tooth 5 and assist tooth 6 formed winding wire slot 7, be wound with the armature tooth 5 excitation around
Group 8, Exciting Windings for Transverse Differential Protection 8 is passed through from winding wire slot 7, and Exciting Windings for Transverse Differential Protection 8 being capable of excitation after being powered.A kind of magneto of the invention,
Exciting Windings for Transverse Differential Protection 8 is wound with armature tooth 5, because stator core 1 is in the form of multiple armature tooths 5 and multiple assist tooths 6 splice,
In this way, it is possible to easily wind Exciting Windings for Transverse Differential Protection 8 on armature tooth 5, then will be wound with the armature tooth 5 of Exciting Windings for Transverse Differential Protection 8 with
The assist tooth 6 for not winding Exciting Windings for Transverse Differential Protection 8 is spliced into stator core 1.It is different from the stator core 1 using monoblock type, monoblock type
Stator core 1 can only wind the magnet exciting coil of Exciting Windings for Transverse Differential Protection 8 by the teeth groove 15 on stator core 1, and one kind of the invention is forever
Magneto can easily wind the magnet exciting coil of Exciting Windings for Transverse Differential Protection 8 on armature tooth 5, then will be wound with Exciting Windings for Transverse Differential Protection 8
Armature tooth 5 is spliced into stator core 1 with the assist tooth 6 for not winding Exciting Windings for Transverse Differential Protection 8, this makes it possible to easily make excitation wire
Circle fills up winding wire slot 7, it is ensured that the copper factor of stator core 1, so as to improve the magnetic field intensity produced by stator core 1, improves
The output torque of motor.
In a kind of technical scheme of magneto of the invention, armature tooth 5 is spliced into stator core 1 with assist tooth 6, preferably
Ground, as shown in Figures 4 to 6, the armature tooth 5 has the first teeth portion 9, the tooth body portion 11 of first connecting portion 10 and first, first
Tooth body portion 11 is radially extended along stator core 1, and the first teeth portion 9 and first connecting portion 10 are prolonged along the circumferencial direction of stator core 1
Stretch, the two ends in the first tooth body portion 11 are connected with the middle part in the first teeth portion 9 and the middle part of first connecting portion 10 respectively；The auxiliary
Tooth 6 has the second teeth portion 12, the tooth body portion 14 of second connecting portion 13 and second, and the second tooth body portion 14 prolongs along the radial direction of stator core 1
Stretch, the second teeth portion 12 and second connecting portion 13 extend along the circumferencial direction of stator core 1, the two ends difference in the second tooth body portion 14
It is connected with the middle part in the second teeth portion 12 and the middle part of second connecting portion 13；Adjacent first connecting portion 10 and second connecting portion 13
It is stitched together.First teeth portion 9 of each armature tooth 5 and the second teeth portion 12 of each assist tooth 6 surround the receiving rotor iron
The cylindrical cavity volume 19 of core 2, forms the winding wire slot 7, the first teeth portion 9 between the first tooth body portion 11 and the second tooth body portion 14
And second teeth groove 15 for forming stator core 1 between teeth portion 12.So, when the winding coil on armature tooth needs maintenance,
The coil in winding wire slot 7 can be overhauled from teeth groove 15.The armature tooth 5 for constituting stator core 1 is mutually spelled with assist tooth 6
Connect, as a preferred mode, the head end of the first connecting portion 10 is provided with clamping tooth 17, and the end of first connecting portion 10 sets
There is card interface 18；The head end of the second connecting portion 13 is provided with clamping tooth 17, and the end of second connecting portion 13 is provided with card interface 18；
The clamping tooth 17 of card interface 18 and the head end of first connecting portion 10 in the second connecting portion 13 of the neighbouring head end of first connecting portion 10
Splicing, the clamping of clamping tooth 17 and the end of first connecting portion 10 in the second connecting portion 13 of the neighbouring end of first connecting portion 10
Mouth 18 splices.Preferably, the clamping tooth 17 is in mushroom-shaped, and clamping tooth 17 has semicircular positioning head and connection handle, semicircle
The positioning head of shape can make first connecting portion 10 and the location fit of second connecting portion 13.
In a kind of magneto of the invention, the first teeth portion 9 of each armature tooth 5 and the second teeth portion of each assist tooth 6
12 surround the cylindrical cavity volume 19 for receiving the rotor core 2, and the first teeth portion 9 is towards the side of rotor core 2 and the second tooth
Tooth portion 12 is in circular arc towards the side of rotor core 2, and each first teeth portion 9 is towards the side of rotor core 2 and each second
Teeth portion 12 surrounds the cavity volume inwall 22 of the cylindrical cavity volume 19 towards the side of rotor core 2；Each soft magnetism pole 3 and each permanent magnetism
The opposite polarity of pole 4, soft magnetism magnetic pole itself can not produce magnetic field so that the magnetic field intensity at soft magnetism pole 3 and the surface of permanent-magnet pole 4
Difference, so, motor internal Distribution of Magnetic Field is asymmetric, so, the cogging torque of pulsation will be produced when rotor rotates,
Produce vibration and noise.In order to alleviate this phenomenon, as it is a kind of preferred embodiment, as shown in Figure 7 and Figure 8, it is described forever
Magnetic pole 4 has first arc surface 20 relative with the cavity volume inwall 22 of cylindrical cavity volume 19, and the soft magnetism pole 3 has and cylinder
The second relative arc surface 21 of the cavity volume inwall 22 of cavity volume 19；The cavity volume inwall of second arc surface 21 and cylindrical cavity volume 19
Gap between 22 is less than the gap between the cavity volume inwall 22 of the first arc surface 20 and cylindrical cavity volume 19.Soft magnetism can so be obtained
Magnetic induction intensity at second arc surface of pole is essentially identical with magnetic induction intensity at the first arc surface of permanent-magnet pole, so,
Motor internal magnetic field is more symmetrical, and when rotor rotates, the pulsation of cogging torque is smaller, vibration and noise produced by motor
It is just smaller.It is further preferable that as shown in fig. 7, in the cavity volume of the middle part of second arc surface 21 and cylindrical cavity volume 19
Gap between wall 22 is less than the gap between the both sides position of the first arc surface and the cavity volume inwall 22 of cylindrical cavity volume 19.For
The further pulsation phenomenon for reducing cogging torque, as shown in figure 9, can also be in the first teeth portion 9 of armature tooth 5 and assist tooth
Auxiliary tank 16 is set in 6 the second teeth portion 12, and auxiliary tank 16 is equal with the width of teeth groove 15 of stator core 1, when stator core 1
When being assembled together with rotor core 2, auxiliary tank 16 is evenly distributed in rotor core 2 weeks with the teeth groove 15 on stator core 1
Enclose, so, the teeth groove 15 of auxiliary tank 16 and stator core 1 can reduce the peak value of cogging torque, and the pulsation of cogging torque tends to
Gently, it is possible to reducing the vibration produced by motor and noise.
Fig. 9 is shown as the armature tooth 5 of stator core 1, the expanded schematic diagram of assist tooth 6, wherein, the rectangle frame where N poles
The N pole fields region produced by Exciting Windings for Transverse Differential Protection 8 is represented, the rectangle frame where S poles represents the S pole fields produced by Exciting Windings for Transverse Differential Protection 8
Region.A kind of magneto of the invention is spliced into stator core 1, Exciting Windings for Transverse Differential Protection using multiple armature tooths 5 and multiple assist tooths 6
8 are wrapped on armature tooth 5, and magnet exciting coil is not wound on assist tooth 6, and by adjusting the pitch y of Exciting Windings for Transverse Differential Protection 8, (pitch y refers to one
Span of two sides of individual coil in stator circumference), make it equal to or (pole span τ refers to electricity close to the pole span τ of stator core 1
Span shared by N poles adjacent in machine and S extremely relative teeth groove 15), it is possible to the winding coefficient of motor is improved, so as to improve electricity
The torque output of machine.Machine winding COEFFICIENT K w=Ky*Kq, Kq are the breadth coefficient of machine winding, the number of poles and groove of usual motor
After number determines, breadth coefficient Kq is definite value.Chording factor Ky=sin (90 ° of y/ τ *) in machine winding coefficient, machine winding is only
It is wrapped on armature tooth, by adjusting pitch y, makes its value equal or close to pole span τ, the chording factor Ky=1 of motor can be made
Or it is nearly equal to 1.The winding coefficient of motor can be improved in this way.Because motor torque and machine winding coefficient are into just
Than so the output torque of final motor also increases therewith.Preferably, the pitch of the Exciting Windings for Transverse Differential Protection 8 and the pole span of motor
Ratio is 0.8~1.0, the pitch of Exciting Windings for Transverse Differential Protection 8 can be made equal with the pole span of motor, in such manner, it is possible to farthest carry
Chording factor Ky in machine winding coefficient high, so as to improve the output torque of motor.
A kind of technical scheme based on above-described embodiment, magneto of the invention can improve the output torque of motor,
Alleviate the pulsation phenomenon of cogging torque, reduce the vibration produced by motor and noise.
In sum, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
The personage for knowing this technology all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should be covered by claim of the invention.
Claims (9)
1. a kind of magneto, including stator core (1) and rotor core (2), it is characterized in that：Outside the rotor core (2)
Side face is provided with multiple soft magnetism poles (3)；A permanent-magnet pole (4), the stator core are provided between two adjacent soft magnetism poles (3)
(1) including the multiple armature tooths (5) being distributed along the circumferencial direction of stator core (1), it is provided between two adjacent armature tooths (5)
One assist tooth (6), adjacent armature tooth (5) and assist tooth (6) is stitched together, shape between armature tooth (5) and assist tooth (6)
Into winding wire slot (7), Exciting Windings for Transverse Differential Protection (8) is wound with the armature tooth (5), Exciting Windings for Transverse Differential Protection (8) is worn from winding wire slot (7)
Cross.
2. magneto according to claim 1, it is characterised in that：The armature tooth (5) with the first teeth portion (9),
First connecting portion (10) and the first tooth body portion (11), the first tooth body portion (11) radially extend along stator core (1), the first teeth portion
(9) extend along the circumferencial direction of stator core (1) with first connecting portion (10), the two ends in the first tooth body portion (11) are respectively with first
The middle part connection at the middle part and first connecting portion (10) in teeth portion (9)；The assist tooth (6) is with the second teeth portion (12),
Two connecting portions (13) and the second tooth body portion (14), the second tooth body portion (14) radially extend along stator core (1), the second teeth portion
(12) extend along the circumferencial direction of stator core (1) with second connecting portion (13), the two ends in the second tooth body portion (14) are respectively with the
The middle part connection at the middle part and second connecting portion (13) in two teeth portions (12)；Adjacent first connecting portion (10) and second connecting portion
(13) it is stitched together.
3. magneto according to claim 2, it is characterised in that：First tooth body portion (11) and the second tooth body portion (14) it
Between form the winding wire slot (7), between the first teeth portion (9) and the second teeth portion (12) formed stator core (1) teeth groove
(15)。
4. magneto according to claim 2, it is characterised in that：The head end of the first connecting portion (10) is provided with clamping
Tooth (17), the end of first connecting portion (10) is provided with card interface (18)；The head end of the second connecting portion (13) is provided with clamping tooth
(17), the end of second connecting portion (13) is provided with card interface (18)；The second connecting portion of neighbouring first connecting portion (10) head end
(13) clamping tooth (17) clamping of card interface (18) and first connecting portion (10) head end on, neighbouring first connecting portion (10) end
Card interface (18) clamping of clamping tooth (17) and first connecting portion (10) end in the second connecting portion (13) at end.
5. magneto according to claim 2, it is characterised in that：First teeth portion (9) of each armature tooth (5) and each auxiliary
The second teeth portion (12) of tooth (6) is helped to surround the cylindrical cavity volume (19) for receiving the rotor core (2), the permanent-magnet pole (4)
With first arc surface (20) relative with the cavity volume inwall (22) of cylindrical cavity volume (19), the soft magnetism pole (3) with circle
Relative the second arc surface (21) of the cavity volume inwall (22) of cylindricality cavity volume (19)；Second arc surface (21) and cylindrical cavity volume
(19) the gap between cavity volume inwall (22) is less than the first arc surface (20) and the cavity volume inwall (22) of cylindrical cavity volume (19)
Between gap.
6. magneto according to claim 5, it is characterised in that：The middle part of second arc surface (21) and circle
Both sides position of the gap less than the first arc surface (21) and cylindrical cavity volume between the cavity volume inwall (22) of cylindricality cavity volume (19)
(19) the gap between cavity volume inwall (22).
7. magneto according to claim 1, it is characterised in that：The pitch of the Exciting Windings for Transverse Differential Protection (8) and the pole of motor
Away from ratio be 0.8~1.
8. magneto according to claim 1, it is characterised in that：The pitch of the Exciting Windings for Transverse Differential Protection (8) and the pole of motor
Away from equal.
9. magneto according to claim 1, it is characterised in that：The polarity phase of the soft magnetism pole (3) and permanent-magnet pole (4)
Instead.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252865.2A CN106787282A (en) | 2016-12-30 | 2016-12-30 | A kind of magneto |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252865.2A CN106787282A (en) | 2016-12-30 | 2016-12-30 | A kind of magneto |
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Cited By (7)
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|---|---|---|---|---|
| CN108880009A (en) * | 2018-05-30 | 2018-11-23 | 沈阳工业大学 | A kind of stator of not equal teeth permanent magnet torque motor |
| CN109428406A (en) * | 2017-09-04 | 2019-03-05 | 信浓绢糸株式会社 | The method for winding of brushless motor and stator |
| CN110875665A (en) * | 2018-08-30 | 2020-03-10 | 广东美芝精密制造有限公司 | Synchronous motor and compressor |
| CN112564321A (en) * | 2020-11-30 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent magnet synchronous motor, compressor and refrigeration equipment |
| CN112583148A (en) * | 2020-12-22 | 2021-03-30 | 哈尔滨理工大学 | Weaken stator structure of in-wheel motor tooth's socket torque |
| CN114157057A (en) * | 2021-12-17 | 2022-03-08 | 威灵（芜湖）电机制造有限公司 | Stator structure, motor and electrical equipment |
| EP4009492A1 (en) * | 2020-12-01 | 2022-06-08 | Techtronic Cordless GP | Stator core assembly, stator assembly, electric motor device and methods therefor |
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| CN109428406A (en) * | 2017-09-04 | 2019-03-05 | 信浓绢糸株式会社 | The method for winding of brushless motor and stator |
| CN109428406B (en) * | 2017-09-04 | 2022-06-28 | 信浓绢糸株式会社 | Brushless motor and stator winding method |
| CN108880009A (en) * | 2018-05-30 | 2018-11-23 | 沈阳工业大学 | A kind of stator of not equal teeth permanent magnet torque motor |
| CN110875665A (en) * | 2018-08-30 | 2020-03-10 | 广东美芝精密制造有限公司 | Synchronous motor and compressor |
| CN110875665B (en) * | 2018-08-30 | 2022-05-31 | 广东美芝精密制造有限公司 | Synchronous motor and compressor |
| CN112564321A (en) * | 2020-11-30 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent magnet synchronous motor, compressor and refrigeration equipment |
| EP4009492A1 (en) * | 2020-12-01 | 2022-06-08 | Techtronic Cordless GP | Stator core assembly, stator assembly, electric motor device and methods therefor |
| CN112583148A (en) * | 2020-12-22 | 2021-03-30 | 哈尔滨理工大学 | Weaken stator structure of in-wheel motor tooth's socket torque |
| CN114157057A (en) * | 2021-12-17 | 2022-03-08 | 威灵（芜湖）电机制造有限公司 | Stator structure, motor and electrical equipment |
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