CN107579604A - Stator punching and there is its control-moment gyro framework torque motor - Google Patents
Stator punching and there is its control-moment gyro framework torque motor Download PDFInfo
- Publication number
- CN107579604A CN107579604A CN201710949926.9A CN201710949926A CN107579604A CN 107579604 A CN107579604 A CN 107579604A CN 201710949926 A CN201710949926 A CN 201710949926A CN 107579604 A CN107579604 A CN 107579604A
- Authority
- CN
- China
- Prior art keywords
- stator
- notch
- slot
- endoporus
- yoke
- 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.)
- Pending
Links
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of stator punching and there is its control-moment gyro framework torque motor, stator punching includes：Stator yoke, the stator yoke has endoporus, the stator yoke has multiple along the circumferentially spaced stator tooth of the endoporus, the stator teeth has 2 auxiliary tanks at endoporus, the profile of auxiliary tank is with the trapezoidal of filleted corner, it is stator slot between the two neighboring stator tooth, the number of the stator slot is k, the width of stator tooth is D, the notch of stator slot width at endoporus is W1, and the radius of endoporus is R, wherein k >=18 and be even number, D >=π * R*0.85/k, W1≤π * R*0.2/k.According to the stator punching of present example, torque pulsation during motor steady-state operation can be reduced, improve velocity control accuracy, reduction stator teeth magnetic is close, ensures the linear speed regulation characteristic of motor, reduces cost.The advantages that present invention reduces magnetic biasing pulling force with air gap flux density is reduced, and reduces vibration and noise, and raising torque is with rotating speed control accuracy.
Description
Technical field
The present invention relates to Spacecraft Attitude Control inertia actuator technical field, is rushed more particularly, to a kind of stator
Piece and there is its control-moment gyro framework torque motor, be available for Spacecraft Attitude Control, navigational guidance and control
The field such as system and high-end manufacture.
Background technology
Control-moment gyro is that the Large Spacecraft of the longtime runnings such as space station realizes the crucial executing agency of gesture stability.
The maneuverability of Spacecraft Attitude Control requires that control-moment gyro frame system can realize most fast 14.3 °/s of angular speed, most
Big output torque 50N.m high-precision rotary is motor-driven, and the control accuracy of its motor-driven angular speed is that control-moment gyro product most closes
One of index of key, directly affect the output torque precision of control-moment gyro complete machine, framework torque motor cogging torque arteries and veins
Dynamic is a major influence factors for influenceing the motor-driven angular speed control accuracy of frame system.Framework torque motor stator punching structure
Design is the key factor of determining at frame booster torque motor cogging torque pulsation.Control-moment gyro framework torque motor stator at present
Mostly iron-free cored structure or cored anodontia slot structure, although reducing torque pulsation, output torque is affected, leakage field etc.
Phenomenon is also more serious, need fast reserve and needing export its torque pulsation of spacecraft application scenario of high-torque still compared with
Greatly.Easily there is the close saturated conditions of magnetic in cored control-moment gyro framework torque motor stator at present so that motor control is in
Existing nonlinear characteristic, is unfavorable for the high-precision control of control-moment gyro framework torque motor.It is cored to have teeth groove and with auxiliary
The motor of slot structure is helped preferably to solve this problem from structure.Motor stator groove edge is mostly based on reduction loss at present
The angle for reducing caloric value uses round-corner transition, and its fillet size range is mostly without optimizing and be not suitable for needing torque to put down
Steady torque motor application scenario, the motor cause torque pulsation to reduce using optimized fillet size, and torque exports more
Steadily.The motor has output torque big and the steady, advantage of fast response time, and this is for control-moment gyro frame system
High precision high stability control has notable meaning；In addition the torque density of the motor is high compared with general framework torque motor, and output turns
Square is big, and this just greatly expands the application field and scope of the motor.It is cored to have teeth groove and with the framework of auxiliary slot structure
Torque motor makes it have large development prospect in fields such as Aero-Space, naval vessel submarine, precision manufactureings.
The content of the invention
Present invention seek to address that technical problem be：Overcome the deficiencies in the prior art, there is provided a kind of output torque is big, than turning
Square density is high, output torque is steady, output speed is steady, direct torque precision height, rotating speed control accuracy height, small volume, weight
Gently, long lifespan, it is low in energy consumption, stable work in work possess have teeth groove and with auxiliary slot structure stator punching control moment top
Spiral shell framework torque motor.
The present invention solves the technical scheme that above-mentioned technical problem uses：It is a kind of to have teeth groove and determine with auxiliary slot structure
Sub- punching, the stator laminating structure is simple, and cost is low, can effectively reduce torque pulsation, improves torque and rotating speed control accuracy, energy
Effectively prevent the close saturation of iron core magnetic.
The present invention also proposes a kind of control-moment gyro framework torque motor with said stator punching.
The stator punching of embodiment according to a first aspect of the present invention, including：A kind of stator punching, including：Stator yoke, institute
Stating stator yoke has an endoporus, the stator yoke have it is multiple along the circumferentially spaced stator tooth of the endoporus, it is described fixed
Sub- teeth portion has 2 auxiliary tanks at the endoporus, and the profile of auxiliary tank is two neighboring described fixed for the trapezoidal of filleted corner
It is stator slot between sub- tooth, the number of the stator slot is k, and the width of stator tooth is D, and the notch of stator slot is wide at endoporus
Spend for W1, the radius of endoporus is R, wherein k >=18 and be even number, D >=π * R*0.85/k, W1≤π * R*0.2/k.
Stator punching according to embodiments of the present invention, by reducing the width of stator slot notch, motor stable state can be reduced
Torque pulsation during operation, there is the auxiliary tank of filleted corner trapezoidal profile by optimization design, motor steady-state operation can be reduced
When torque pulsation, improve velocity control accuracy, by the width of optimization design stator tooth, can guarantee to place it is enough
In the case of multiconductor so that stator teeth magnetic it is close appropriateness reduce, ensure the linear speed regulation characteristic of motor, at the same reduce motor into
This.The present invention has increase rotor air-gap reluctance, reduces air gap flux density and reduces magnetic biasing pulling force, reduce vibration and noise, improves
The advantages that torque is with rotating speed control accuracy.
In addition, stator punching according to embodiments of the present invention, can also have technical characteristic additional as follows：
According to one embodiment of present invention, the stator groove depth of each stator slot is 0.5-7.6 times of groove shoulder breadth.
According to one embodiment of present invention, the stator yoke outline for circle, the external diameter of the stator yoke with
The ratio range of the radius of the endoporus is 2.3-4.2.
According to one embodiment of present invention, auxiliary tank the bottom land a width of t1, t1=0.9mm- of the stator teeth
1.6mm。
According to one embodiment of present invention, auxiliary tank the notch a width of t2, t2=t1+0.25mm- of the stator teeth
t1+0.9mm。
According to one embodiment of present invention, the auxiliary tank notch of the stator teeth is with bottom land radius of corner
0.16mm-0.18mm, circumference fan angle corresponding to circular arc are 50 ° -75 °.
According to one embodiment of present invention, the notch of each stator slot is with rounded corners trapezoidal.
According to one embodiment of present invention, the trapezoidal upper bottom of notch of each stator slot is opened at stator inner hole, fixed
The trapezoidal upper bottom width of pilot trench notch is 0.35mm-0.6mm.
According to one embodiment of present invention, the trapezoidal bottom width of the notch of each stator slot is 0.55mm-
0.85mm。
According to one embodiment of present invention, bottom radius of corner is 0.04mm- on the notch of each stator slot
0.08mm, corresponding circumference fan angle are 75 ° -100 °.
According to one embodiment of present invention, bottom radius of corner is 0.18mm- under the notch of each stator slot
0.26mm, circumference fan angle corresponding to circular arc are 35 ° -60 °.
According to one embodiment of present invention, in the plane perpendicular to the axis direction of the stator yoke, Duo Gesuo
The gross area for stating stator slot is the 40-113% of the area of the stator yoke.
According to one embodiment of present invention, the stator gullet radius is 0.5-1.36 times of groove shoulder breadth, circular arc
Corresponding circumference fan angle is 42 ° -180 °.
The control-moment gyro of embodiment framework torque motor according to a second aspect of the present invention, including according to above-mentioned implementation
Stator punching described in example.
The present invention compared with prior art the advantages of be：
According to the stator punching of present example, by reducing the width of rebate of stator slot, motor stable state fortune can be reduced
Torque pulsation during row, there is the auxiliary tank of filleted corner trapezoidal profile by optimization design, when can reduce motor steady-state operation
Torque pulsation, improve velocity control accuracy, by the width of optimization design stator tooth, can guarantee to place it is enough
In the case of wire so that stator teeth magnetic it is close appropriateness reduce, ensure the linear speed regulation characteristic of motor, at the same reduce motor into
This.The present invention has increase rotor air-gap reluctance, reduces air gap flux density and reduces magnetic biasing pulling force, reduce vibration and noise, improves
The advantages that torque is with rotating speed control accuracy.
The additional aspect and advantage of the present invention will be provided partly from the following description, will partly be become from the following description
Obtain substantially, or understand to obtain by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the structural representation of stator punching according to an embodiment of the invention；
Fig. 2 is the structural representation of the stator slot of stator punching according to an embodiment of the invention；
Fig. 3 is the structural representation of stator punching stator slot notch according to an embodiment of the invention；
Fig. 4 is the structural representation of the auxiliary tank of stator punching according to an embodiment of the invention；
Fig. 5 is the structural representation of stator punching in accordance with another embodiment of the present invention；
Fig. 6 is the motor torque ripple and stator rabbet upper bottom width of stator punching according to an embodiment of the invention
Graph of a relation；
Fig. 7 is the motor torque ripple and stator auxiliary tank bottom width of stator punching according to an embodiment of the invention
Graph of a relation；
Reference：
Stator punching 101；
Stator yoke 11；Stator inner hole 12；Stator tooth 13；Stator auxiliary tank 14；Stator slot 15.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Stator punching 101 according to embodiments of the present invention is specifically described with reference to accompanying drawing first below.
As shown in figure 1, stator punching 101 according to embodiments of the present invention includes stator yoke 11, stator yoke 11 has
Stator inner hole 12, stator yoke 11 are provided with multiple along the circumferentially spaced stator tooth 13 of stator inner hole 12, the stator teeth
There are 2 auxiliary tanks 14 at endoporus, the profile of auxiliary tank is with the trapezoidal of filleted corner, the two neighboring stator tooth
Between be stator slot 15, the number of the stator slot is k, and the width of stator tooth is D, the notch of the stator slot width at endoporus
For W1, the radius of endoporus is R, wherein k >=18 and be even number, D >=π * R*0.85/k, W1≤π * R*0.2/k.
In other words, stator punching 101 according to embodiments of the present invention is mainly made up of stator yoke 11, and stator yoke 11 is set
There is endoporus 12, stator yoke 11 is provided with multiple stator tooths 13, and multiple stator tooths 13 open arrangement along the circumferentially-spaced of endoporus 12, often
Individual stator tooth 13 is provided with two auxiliary tanks 14 turned on endoporus 12, the profile of auxiliary tank 14 for the trapezoidal of filleted corner,
The stator slot 15 turned on endoporus 12 is limited between any two stator tooth 13, the number of stator slot 15 is more than 18 and for occasionally
Number, the number of stator slot 15 are k, and the width of stator tooth 13 is D, and the notch of stator slot 15 width at endoporus is W1, endoporus
12 radius is R, k, D, and R, W1 meet relational expression：D >=π * R*0.85/k, W1≤π * R*0.2/k.
Thus, stator punching 101 according to embodiments of the present invention, can by suitably reducing the width of the notch of stator slot 15
To reduce torque pulsation during motor steady-state operation to a certain extent, there is the auxiliary of filleted corner trapezoidal profile by optimization design
Groove 14 is helped, torque pulsation during motor steady-state operation can be reduced, velocity control accuracy is improved, passes through optimization design stator tooth 13
Width, can be in the case where guaranteeing to place enough wires so that the close appropriateness of the magnetic of stator teeth 13 reduces, and ensures
The linear speed regulation characteristic of motor, while reduce motor cost.The present invention has increase rotor air-gap reluctance, reduces air gap flux density
Magnetic biasing pulling force is reduced, reduces vibration and noise, improves the advantages that torque is with rotating speed control accuracy.
In certain specific embodiments of the invention, the outline of stator yoke 11 is circular, outside stator yoke 11
The ratio range of footpath and the radius of endoporus 12 is 2.3-4.2, the external diameter of the present embodiment stator yoke and the radius of endoporus ratio
For 3.9.
Thus, stator punching 101 according to embodiments of the present invention, the external diameter and endoporus of reasonable selection stator yoke 15 are passed through
The ratio of 12 radius can cause the close appropriateness of the magnetic of stator yoke 15 to reduce, and ensure the linear speed regulation characteristic of motor, while excellent
Change motor stator volume, reduce motor cost.
As shown in Fig. 2 according to one embodiment of present invention, the stator groove depth of each stator slot 15 is groove shoulder breadth
0.5-7.6 times.Preferably, the groove shoulder breadth of stator slot 15 is 4.8mm-5.1mm, and the groove depth of stator slot 15 is 20mm-24mm, this reality
Apply example and use 18 grooves, stator slot shoulder breadth 5.1mm, stator groove depth 24mm.Specifically, in this application, the stator of stator slot 15
Groove depth refers to the length represented by Hs2 in Fig. 2, and the groove shoulder breadth of stator slot 15 refers to the length in Fig. 2 represented by Bs1.Wherein need
It is noted that the stator groove depth of stator slot 15 and the proportionate relationship of groove shoulder breadth refer to the stator groove depth and groove of each stator slot 15
The proportionate relationship of shoulder breadth, the stator groove depth of stator slot 15 and the definition of groove shoulder breadth are all to those skilled in the art can
With understanding, therefore it is not described in detail.In certain specific embodiments of the invention, stator gullet radius is bottom land
Wide 0.5-1.36 times, circumference fan angle corresponding to stator gullet are 42 ° -180 °, the present embodiment stator gullet radius
For wide 0.7 times of bottom land, circumference fan angle corresponding to stator gullet is 90 °.Specifically, in this application, stator slot 15
The wide length referred in Fig. 2 represented by Bs2 of bottom land, gullet radius refer to the length represented by Rs in Fig. 2, stator slot bottom circle
Circumference fan angle corresponding to arc refers to the angle represented by α in Fig. 2.In certain specific embodiments of the invention, perpendicular to
In the plane of the axis direction of the stator yoke, the gross area of multiple stator slots is the area of the stator yoke
40-113%.That is, so that the axis of stator yoke 11 vertically extends as an example, it is assumed that stator slot 15 and stator yoke
11 can project respectively in the horizontal plane, then the gross area of the projection of stator slot 15 in the horizontal plane is stator yoke 11 in level
The 40-113% of the gross area of projection on face.Wherein, what stator yoke 11 referred to stator punching 101 does not include stator tooth 13
Part.According to one embodiment of present invention, it is multiple described fixed in the plane perpendicular to the axis direction of the stator yoke
The gross area of pilot trench for the stator yoke area 40-113%, the present embodiment 107%.Thus, according to of the invention real
The stator punching 101 of example is applied, by rationally setting the ratio of stator groove depth and groove shoulder breadth, stator gullet radius is rationally set
With the value of corresponding circumference fan angle, groove area is optimized to a certain extent, and it is close to reduce the magnetic of stator tooth 13, reduces into
This, improves motor performance.
As shown in figure 3, according to one embodiment of present invention, each stator slot 15 is connected by notch and endoporus 12
Logical, notch is formed by pole shoe of the stator tooth 13 along the outline of endoporus 12, and stator slot notch is with rounded corners trapezoidal.Stator slot groove
The trapezoidal upper bottom of mouth is opened at stator inner hole, and the trapezoidal upper bottom width of stator slot notch is 0.35mm-0.6mm, and the present embodiment is
0.5mm.The trapezoidal bottom of stator slot notch is opened in the position relative with upper bottom, is joined directly together with stator slot, stator slot notch is trapezoidal
Bottom width is 0.55mm-0.85mm, the present embodiment 0.76mm.Specifically, in this application, the notch of stator slot 15 is trapezoidal
Upper bottom refers to the length represented by W2 in Fig. 3, and the trapezoidal bottom of notch of stator slot 15 refers to the length in Fig. 3 represented by W1.By
This, stator punching 101 according to embodiments of the present invention, by the length for rationally setting the trapezoidal upper bottom of the notch of stator slot 15 and bottom
Degree can reduce air gap flux density harmonic wave at teeth groove, effectively reduce cogging torque pulsation, improve torque and the speed of framework torque motor
Spend control accuracy.According to one embodiment of present invention, bottom is fillet on the notch of each stator slot 15, stator tooth
The top margin of portion's pole shoe refers to stator teeth pole shoe along stator with side by upper bottom round-corner transition, the top margin of stator teeth pole shoe
The edge of groove 15, the side of stator teeth pole shoe refer to edge of the stator teeth pole shoe along the notch of stator slot 15, stator slot 15
Notch on bottom radius of corner be 0.04mm-0.08mm, corresponding circumference fan angle is 75 ° -100 °, the present embodiment stator slot
Bottom radius of corner is 0.06mm on 15 notch, and corresponding circumference fan angle is 90 °.Specifically, in this application, stator slot
Bottom radius of corner refers to the length represented by Ra2 in Fig. 3 on 15 notch, bottom fillet pair on the notch of stator slot 15
The circumference fan angle answered refers to the angle represented by θ 2.According to one embodiment of present invention, the notch of each stator slot 15
Lower bottom is fillet, and base and the side of stator teeth pole shoe are referred to by upper bottom round-corner transition, the base of stator teeth pole shoe
Be edge of the stator teeth pole shoe along stator inner hole 12, bottom radius of corner is 0.18mm- under the notch of stator slot 15
0.26mm, circumference fan angle corresponding to circular arc are 35 ° -60 °, and bottom radius of corner is under the notch of the present embodiment stator slot 15
0.23mm, corresponding circumference fan angle are 47 °.Specifically, in this application, bottom radius of corner is under the notch of stator slot 15
Refer to the length represented by Ra1 in Fig. 3, circumference fan angle corresponding to the fillet of bottom refers to represented by θ 1 on the notch of stator slot 15
Angle.Thus, stator punching 101 according to embodiments of the present invention, by rationally set the trapezoidal upper bottom of the notch of stator slot 15 with
The half-angle of the end fillet of bottom can optimize air gap magnetic density waveform with the numerical value of corresponding circumference fan angle, reduce in waveform not
Regular burr, air gap flux density higher hamonic wave amplitude is effectively reduced, and then effectively reduce cogging torque pulsation, so as to improve framework power
The torque of torque motor and velocity control accuracy.
As shown in figure 4, according to one embodiment of present invention, stator tooth 13 is provided with two at the profile close to endoporus 12
Auxiliary tank 14, the outline of auxiliary tank 14 are formed generally as trapezoidal, and trapezoidal upper bottom is the bottom land of auxiliary tank 14, supplemented by trapezoidal bottom
The notch of groove 14 is helped, notch is connected along stator inner hole 12, auxiliary tank 14 by notch with endoporus 12.According to the reality of the present invention
Apply example, bottom land a width of t1, t1=0.9mm-1.6mm, the present embodiment 1.4mm of the auxiliary tank 14, the auxiliary tank 14
Notch a width of t2, t2=t1+0.25mm-t1+0.9mm, the present embodiment 1.8mm.Specifically, in this application, auxiliary tank 14
The wide length referred to represented by t1 of bottom land, the slot opening of auxiliary tank 14 refers to the length represented by t2.According to the one of the present invention
Individual embodiment, the trapezoidal bottom up and down of the outline of auxiliary tank 14, i.e. bottom land and notch end are fillet, the groove of auxiliary tank 14
Bottom passes through lower bottom round-corner transition with side by upper bottom round-corner transition, notch and the side of auxiliary tank 14.Auxiliary tank
14 bottom land is 0.16mm-0.18mm, the present embodiment 0.17mm, bottom land and notch end fillet with notch end radius of corner
Circumference fan angle corresponding to circular arc is 50 ° -75 °, and the present embodiment is 70 °.Specifically, in this application, the bottom land of auxiliary tank 14 with
Notch end radius of corner refers to the length represented by Rb, the bottom land circumference corresponding with notch end fillet circular arc of auxiliary tank 14
Fan angle refers to the angle represented by γ.Thus, stator punching 101 according to embodiments of the present invention, by rationally setting auxiliary tank
14 notch and bottom land numerical value, can reduce air gap flux density harmonic wave at teeth groove, effectively reduce cogging torque pulsation, improve framework power
The torque of torque motor and velocity control accuracy.Stator punching 101 according to embodiments of the present invention, by rationally setting notch trapezoidal
Upper bottom and the half-angle and the numerical value of corresponding circumference fan angle of the end fillet gone to the bottom, can further optimize air gap magnetic density waveform,
The irregular burr in waveform is reduced to a certain extent, effectively reduces air gap flux density higher hamonic wave amplitude, and then effectively reduce
Cogging torque is pulsed, so as to improve the torque of framework torque motor and velocity control accuracy.
It is an alternative embodiment of the invention as shown in Figure 5, in this embodiment, the quantity k=48 of stator slot 15, other
Each size relationship is identical with the size relationship in the embodiment described in Fig. 1, specifically, in this embodiment, stator yoke 11
External diameter is 151mm, and the radius of stator inner hole 12 is 60.8mm, and the groove depth of stator slot 15 is 0.57 times of groove shoulder breadth, and groove shoulder breadth is
6.6mm, the notch bottom of stator slot 15 be 0.74mm, and bottom is 0.52mm on notch, bottom and lower bottom on the notch of stator slot 15
Portion's fillet size is identical with lower bottom rounded corner ruler cun with bottom on the notch of embodiment described in Fig. 1 respectively, stator auxiliary tank 14
Bottom land a width of 1.2mm, slot opening 2.1mm, notch and the bottom land end fillet size and embodiment described in Fig. 1 of stator auxiliary tank 14
It is identical.Specifically, as Figure 1-5, the specific size of stator slot 15 and auxiliary tank 14 can be carried out according to needs of production
Reasonable adjusting.Thus, stator punching 100 according to embodiments of the present invention can use different knots according to the requirement of different motors
Structure, simple in construction, easily manufactured, cost is cheap, high to the control accuracy of torque and rotating speed.
Be as shown in Figure 6 the present embodiment motor torque pulsation with the width of rebate W1 of stator slot 15 in 0.35mm-0.6mm
Between the relation curve that changes, the torque pulsation of motor gradually increases with the width of rebate W1 of stator slot 15 increase, comprehensive
Consider the constraint of actual line footpath and inserting-coil process, punching wire cutting technology, it is preferable that the present embodiment width of rebate W1 is 0.5mm.
Be as shown in Figure 7 the present embodiment motor torque pulsation with the bottom width t2 of auxiliary tank 14 in 1.65mm-2.1mm
Between the relation curve that changes, the torque pulsation of motor be first gradually reduced with the bottom width t2 of auxiliary tank 14 increase after gradually
Increase, go to the bottom width t2 be 1.8mm when reach minimum value 42mN.m, it is preferable that the present embodiment auxiliary tank go to the bottom width t2 be
1.8mm。
Control-moment gyro according to embodiments of the present invention includes the stator according to above-described embodiment with framework torque motor
Punching 101, because stator punching 101 according to the above embodiment of the present invention has above-mentioned technique effect, therefore, according to the present invention
The control-moment gyro of embodiment framework torque motor also has corresponding technique effect, i.e., simple in construction, easily manufactured, into
This is cheap, high to the control accuracy of torque and rotating speed.
The control-moment gyro of embodiment is with other compositions of framework torque motor and behaviour according to a second aspect of the present invention
Work is all for those of ordinary skills known, is not detailed herein.
Claims (14)
- A kind of 1. stator punching, it is characterised in that：Including stator yoke, the stator yoke has endoporus, the stator yoke There are 2 auxiliary tanks at endoporus along the circumferentially spaced stator tooth of the endoporus, the stator teeth with multiple, The profile of auxiliary tank is with the trapezoidal of filleted corner, be stator slot between the two neighboring stator tooth, the stator slot it is individual Number is k, and the width of stator tooth is D, and the notch of the stator slot width at endoporus is W1, and the radius of endoporus is R, wherein k >=18 And be even number, D >=π * R*0.85/k, W1≤π * R*0.2/k.
- 2. stator punching according to claim 1, it is characterised in that：The stator groove depth of each stator slot is groove shoulder breadth 0.5-7.6 times.
- 3. stator punching according to claim 1, it is characterised in that：The stator yoke outline is circle, described fixed The ratio range of the external diameter in sub- yoke portion and the radius of the endoporus is 2.3-4.2.
- 4. stator punching according to claim 1, it is characterised in that：The a width of t1 of auxiliary tank bottom land of the stator teeth, T1=0.9mm-1.6mm.
- 5. stator punching according to claim 1, it is characterised in that：The a width of t2 of auxiliary tank notch of the stator teeth, T2=t1+0.25mm-t1+0.9mm.
- 6. stator punching according to claim 1, it is characterised in that：The auxiliary tank notch of the stator teeth is justified with bottom land Angular radius is 0.16mm-0.18mm, and circumference fan angle corresponding to circular arc is 50 ° -75 °.
- 7. stator punching according to claim 1, it is characterised in that：The notch of each stator slot is ladder with rounded corners Shape.
- 8. stator punching according to claim 7, it is characterised in that：The trapezoidal upper bottom of notch of each stator slot is opened in At stator inner hole, the trapezoidal upper bottom width of stator slot notch is 0.35mm-0.6mm.
- 9. stator punching according to claim 7, it is characterised in that：The trapezoidal bottom width of notch of each stator slot For 0.55mm-0.85mm.
- 10. stator punching according to claim 7, it is characterised in that：Bottom circle on the notch of each stator slot Angular radius is 0.04mm-0.08mm, and corresponding circumference fan angle is 75 ° -100 °.
- 11. stator punching according to claim 7, it is characterised in that：Bottom is justified under the notch of each stator slot Angular radius is 0.18mm-0.26mm, and circumference fan angle corresponding to circular arc is 35 ° -60 °.
- 12. according to the stator punching any one of claim 1-11, it is characterised in that：Perpendicular to the stator yoke Axis direction plane on, the gross areas of multiple stator slots for the area of the stator yoke 40%-113%.
- 13. according to the stator punching any one of claim 1-11, it is characterised in that：The stator gullet radius For 0.5-1.36 times of groove shoulder breadth, circumference fan angle corresponding to circular arc is 42 ° -180 °.
- A kind of 14. control-moment gyro framework torque motor, it is characterised in that：Including any one of claim 1-13 Stator punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949926.9A CN107579604A (en) | 2017-10-13 | 2017-10-13 | Stator punching and there is its control-moment gyro framework torque motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949926.9A CN107579604A (en) | 2017-10-13 | 2017-10-13 | Stator punching and there is its control-moment gyro framework torque motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107579604A true CN107579604A (en) | 2018-01-12 |
Family
ID=61037315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710949926.9A Pending CN107579604A (en) | 2017-10-13 | 2017-10-13 | Stator punching and there is its control-moment gyro framework torque motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107579604A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832737A (en) * | 2018-07-16 | 2018-11-16 | 珠海格力电器股份有限公司 | Motor stator punching, motor stator, motor |
| CN110336401A (en) * | 2019-07-11 | 2019-10-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator module, motor, compressor and air conditioner |
| CN111293799A (en) * | 2020-02-27 | 2020-06-16 | 南京奥特佳新能源科技有限公司 | Permanent magnet motor with optimized back electromotive force sine waveform and stator thereof |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315700A (en) * | 2011-08-25 | 2012-01-11 | 江苏上骐集团有限公司 | Stator lamination used for alternating-current (AC) permanent magnet servo motor |
| CN103944287A (en) * | 2014-04-08 | 2014-07-23 | 珠海凯邦电机制造有限公司 | Stator stamping sheet, stator iron core and motor |
| CN204465168U (en) * | 2015-04-02 | 2015-07-08 | 台州宝达机电有限公司 | Stator punching |
| CN204706966U (en) * | 2015-05-19 | 2015-10-14 | 浙江海宏电器有限公司 | A kind of stator punching for freezer compressor electric machine with aluminium winding |
| CN204732982U (en) * | 2015-06-18 | 2015-10-28 | 广东美芝制冷设备有限公司 | Stator punching and the rotary compressor with it |
-
2017
- 2017-10-13 CN CN201710949926.9A patent/CN107579604A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315700A (en) * | 2011-08-25 | 2012-01-11 | 江苏上骐集团有限公司 | Stator lamination used for alternating-current (AC) permanent magnet servo motor |
| CN103944287A (en) * | 2014-04-08 | 2014-07-23 | 珠海凯邦电机制造有限公司 | Stator stamping sheet, stator iron core and motor |
| CN204465168U (en) * | 2015-04-02 | 2015-07-08 | 台州宝达机电有限公司 | Stator punching |
| CN204706966U (en) * | 2015-05-19 | 2015-10-14 | 浙江海宏电器有限公司 | A kind of stator punching for freezer compressor electric machine with aluminium winding |
| CN204732982U (en) * | 2015-06-18 | 2015-10-28 | 广东美芝制冷设备有限公司 | Stator punching and the rotary compressor with it |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832737A (en) * | 2018-07-16 | 2018-11-16 | 珠海格力电器股份有限公司 | Motor stator punching, motor stator, motor |
| CN108832737B (en) * | 2018-07-16 | 2024-04-19 | 珠海格力电器股份有限公司 | Motor stator punching sheet, motor stator and motor |
| CN110336401A (en) * | 2019-07-11 | 2019-10-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator module, motor, compressor and air conditioner |
| CN111293799A (en) * | 2020-02-27 | 2020-06-16 | 南京奥特佳新能源科技有限公司 | Permanent magnet motor with optimized back electromotive force sine waveform and stator thereof |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107579604A (en) | Stator punching and there is its control-moment gyro framework torque motor | |
| CN103929033B (en) | A kind of permanent magnet is the permanent-magnetic synchronous motor rotor structure of arch | |
| CN104617720A (en) | Method for weakening cogging torque of permanent magnet synchronous generator | |
| Zhao et al. | Dual-stator interior permanent magnet vernier machine having torque density and power factor improvement | |
| CN105471127B (en) | Motor and motor magnetic core | |
| CN106374712A (en) | Synchronous reluctance motor and compressor | |
| CN103986261A (en) | Method for improving gap flux density waveform of permanent magnet synchronous motor | |
| Gharehseyed et al. | Pole shape design of ring winding axial flux permanent magnet used in a direct‐drive electric boat for cost‐efficient cogging torque alleviation | |
| CN107634633B (en) | The auxiliary tank setting method of fractional-slot asynchronous starting permanent magnet synchronous motor and application | |
| CN206790229U (en) | A kind of highly effective low noise stator punching | |
| CN203193413U (en) | Rotor punching sheet structure of permanent-magnet synchronous motor | |
| CN207410125U (en) | A kind of novel switched reluctance motor structure | |
| CN209593113U (en) | Double salient-pole electric machine rotor structure | |
| JP6729037B2 (en) | Variable magnetic flux type rotating electric machine and method for manufacturing permanent magnet | |
| WO2018201854A1 (en) | Stepping motor | |
| CN206323223U (en) | Permanent magnet with chamfering structure | |
| CN204290662U (en) | New structure finite angle brushless moment motor | |
| CN109391098A (en) | A kind of torque motor structure design method of low torque fluctuation | |
| CN204316300U (en) | A kind of compact high precision stepping motor | |
| CN108512329A (en) | A kind of magnetic steel built-in type rotor and the permanent magnet synchronous motor for including the magnetic steel built-in type rotor | |
| CN205453451U (en) | Three -phase step motor | |
| Xu et al. | Detent Force Analysis and Optimization for Vertical Permanent-magnet Linear Synchronous Motor with Fractional-slot Windings. | |
| CN207304177U (en) | Step motor stator and the motor with the stator | |
| CN203691091U (en) | Rotor sheet of internal rotor permanent magnetic motor | |
| Ren et al. | A novel technique of cogging torque reduction in mass-produced surface-mounted permanent magnet motor using tooth notching pairing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180112 |
|
| RJ01 | Rejection of invention patent application after publication |