CN206908394U - Step motor stator and the stepper motor with stator - Google Patents
Step motor stator and the stepper motor with stator Download PDFInfo
- Publication number
- CN206908394U CN206908394U CN201720412241.6U CN201720412241U CN206908394U CN 206908394 U CN206908394 U CN 206908394U CN 201720412241 U CN201720412241 U CN 201720412241U CN 206908394 U CN206908394 U CN 206908394U
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- CN
- China
- Prior art keywords
- stator
- motor
- pole
- step motor
- coiling
- 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.)
- Expired - Fee Related
Links
- 238000004804 winding Methods 0.000 claims abstract description 40
- 238000009413 insulation Methods 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
It the utility model is related to a kind of step motor stator and the stepper motor with stator, step motor stator, including stator core (1) and insulation frame for stator (5), described stator core (1) circumferencial direction is evenly arranged several stator main poles (2), the inner of the stator main pole (2) is provided with the small tooth of several stators (3), the small tooth of the stator (3) and stator main pole (2) are attached by stator pole shoes (4), coiling stator winding on described insulation frame for stator (5), circumferencial direction extension of the described stator pole shoes (4) along stator main pole (2) both sides, and the distance between adjacent described stator pole shoes (4) L is more than or equal to 0.5mm.Compared with prior art, the utility model can increase the coiling area and lifting motor coiling area utilization rate of motor, be advantageous to increase motor torque, reduce motor temperature rise the advantages that.
Description
Technical field
A kind of motor stator and stepper motor are the utility model is related to, more particularly, to a kind of step motor stator and tool
There is the stepper motor of the stator.
Background technology
Existing composite stepper motor core stamping, structure are illustrated in fig. 1 shown below, and the circumferencial direction of stator core 1 is uniform
Several stator main poles 2, there is the small tooth 3 of multiple stators, the small tooth 3 of stator and stator main pole 2 to pass through in the inner of stator main pole fixed
Sub- pole shoe 4 is attached.
Insulation frame for stator 5 is enclosed on stator main pole 2, on insulation frame for stator 5 coiling stator coil, the first stator around
Group occupied area 6 is limited by line mouth of winding machine boundary line 7 and insulation frame for stator 5.Two line mouth of winding machine sides in one groove
When coil winding machine coiling is in the region that boundary line 7 limits, the minimum space of line mouth disengaging, the width of small space is defined as L.Coil winding machine
The intersection point of line mouth boundary line 7 and insulation frame for stator 5 is P, and the summit of the insulation framework 5 on stator tooth boots 4 is Q, P and Q
Line be stator winding boundary line 8, it and skeleton (M, N) together define face shared by the first stator winding on stator main pole
Product 6.
First stator winding occupied area 6 is an approximate trapezoid region, and MP is upper bottom, and NQ is bottom, and MN is height.Work as NQ
When length and MP approximately equals, coiling it is maximum using area；If MP is much larger than NQ, can cause close to P point areas adjacents
Coiling causes random line, influences the utilization rate of coiling area to Q dot crawls.Serious, coiling can be slipped to notched areas, stator
Coiling fails.
Meanwhile in the case where motor angular pitch Ts and the small facewidth Bt of stator are certain, the wide B of wide stator rabbet can make
Cogging torque into motor increases, and influences the positioning precision of motor.
Utility model content
The purpose of this utility model is exactly to provide a kind of stepper motor the defects of overcoming above-mentioned prior art to exist
Stator and the stepper motor with stator.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of step motor stator, including stator core and insulation frame for stator, described stator core circumferencial direction are equal
Even several stator main poles of arrangement, the inner of the stator main pole is provided with the small tooth of several stators, the small tooth of the stator and stator main pole
It is attached by stator pole shoes, coiling stator winding on described insulation frame for stator, described stator pole shoes are along stator master
The circumferencial direction extension of pole both sides, and the distance between adjacent described stator pole shoes L is more than or equal to 0.5mm.
The extension of described stator pole shoes intersects with line mouth of winding machine boundary line, and intersection point is one.
The extension of described stator pole shoes intersects with line mouth of winding machine boundary line, and intersection point is two.
The inner of each described stator main pole is provided with the small tooth of Ns stator, and 2≤Ns≤5.
Described Ns is preferably 2.
Described Ns is preferably 3.
A kind of stepper motor with stator, including rotor, described motor also include described step motor stator.
Described rotor includes rotor core, and the rotor core is uniformly distributed the small tooth of Nr rotor, and 14≤Nr≤50.
Described Nr is preferably 18,22 or 26.
Compared with prior art, the utility model has advantages below：
1) extend the tooth boots of electrodes of motor both sides to circumferencial direction, coiling area and the lifting motor coiling of motor can be increased
Area utilization, be advantageous to increase the torque of motor, reduce motor temperature rise.
2) pole shoe of extension can improve the Distribution of Magnetic Field of motor teeth groove relative position, reduce the cogging torque of motor, lifting
The running precision of motor.
Brief description of the drawings
Fig. 1 is existing composite stepper motor core stamping structural representation；
Wherein 1 is stator core, and 2 be stator main pole, and 3 be the small tooth of stator, and 4 be stator tooth boots, and 5 be insulation frame for stator, 6
For the first stator winding occupied area, 7 be line mouth of winding machine boundary line, and 8 be stator winding boundary line, L be line mouth of winding machine around
Minimum widith is passed in and out during line, B is that stator rabbet is wide, and Bt is the small facewidth of stator, and Ts is stator angular pitch；
Fig. 2 is the structural representation of the utility model embodiment 1；
Wherein 6 be the first stator winding occupied area, and 7 be line mouth of winding machine boundary line, and 9 be face shared by the second stator winding
Product, L pass in and out minimum widith when being line mouth of winding machine coiling；
Fig. 3 passes in and out minimum widith schematic diagram when being the stator rabbet and line mouth of winding machine coiling of the utility model embodiment 1；
Wherein L passes in and out minimum widith when being line mouth of winding machine coiling, B is that stator rabbet is wide；
Fig. 4 is the structural representation of the utility model embodiment 2；
Wherein 6 be the first stator winding occupied area, and 7 be line mouth of winding machine boundary line, and 9 be face shared by the second stator winding
Product, L pass in and out minimum widith when being line mouth of winding machine coiling, and B is stator rabbet.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is part of the embodiment of the present utility model, rather than is all implemented
Example.Based on the embodiment in the utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment obtained, it should all belong to the scope of the utility model protection.
Embodiment 1
As shown in Fig. 2 stator pole shoes are extended to main pole both sides circumferencial direction, and line mouth of winding machine boundary line 7 is intersecting,
Intersection point is R and S, and so, insulation framework can also extend to from point Q and mutually give Q ' points with line mouth of winding machine boundary line 7, now
Stator winding occupied area is the first stator winding occupied area 6 and the sum of the second stator winding occupied area 9, its envelope are
The region that PMNQ ' is limited, wherein NQ ' and MP approximately equals, effectively improve the utilization rate of coiling area, while also avoid
Electric machine winding failure.Big coiling area and high coiling area utilization rate are advantageous to the operation torque of lifting motor, reduce
Motor temperature rise.
As shown in figure 3, in the case where not changing motor small facewidth Bt and stator angular pitch Ts, stator main pole and main pole it
Between minimum range minimum widith L (L >=0.5mm) is passed in and out when being changed into line mouth of winding machine coiling from the slot opening B of existing scheme,
The Distribution of Magnetic Field of motor teeth groove relative position is improved, reduces motor cogging torque, improves motor operation precision.
Embodiment 2
As shown in figure 4, stator pole shoes are extended to main pole both sides circumferencial direction, and line mouth of winding machine boundary line 7 is intersecting,
Intersection point is R, connecting stator tooth points outside T and R, forms the profile in the outside of the small tooth of stator, so, insulation framework can also be from point
Q extends to mutually gives Q ' points with line mouth of winding machine boundary line 7, and now stator winding occupied area is face shared by the first stator winding
Product 6 and the sum of the second stator winding occupied area 9, the region that its envelope is limited by PMNQ ', wherein NQ ' and MP approximation phases
Deng, effectively improve the utilization rate of coiling area, while it also avoid electric machine winding failure.Big coiling area and it is high around
Line area utilization is advantageous to the operation torque of lifting motor, reduces motor temperature rise.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in various in the technical scope that the utility model discloses
Equivalent modifications or substitutions, these modifications or substitutions should all cover within the scope of protection of the utility model.Therefore, this practicality
New protection domain should be defined by scope of the claims.
Claims (9)
1. a kind of step motor stator, including stator core (1) and insulation frame for stator (5), described stator core (1) circumference
Direction is evenly arranged several stator main poles (2), and the inner of the stator main pole (2) is provided with the small tooth of several stators (3), the stator
Small tooth (3) and stator main pole (2) are attached by stator pole shoes (4), on described insulation frame for stator (5) coiling stator around
Group, it is characterised in that circumferencial direction extension of the described stator pole shoes (4) along stator main pole (2) both sides, and adjacent described determine
The distance between sub- pole shoe (4) L is more than or equal to 0.5mm.
A kind of 2. step motor stator according to claim 1, it is characterised in that the extension of described stator pole shoes (4)
Portion intersects with line mouth of winding machine boundary line (7), and intersection point is one.
A kind of 3. step motor stator according to claim 1, it is characterised in that the extension of described stator pole shoes (4)
Portion intersects with line mouth of winding machine boundary line (7), and intersection point is two.
4. a kind of step motor stator according to claim 1, it is characterised in that each described stator main pole (2)
The inner is provided with the small tooth of Ns stator (3), and 2≤Ns≤5.
5. a kind of step motor stator according to claim 4, it is characterised in that described Ns is preferably 2.
6. a kind of step motor stator according to claim 4, it is characterised in that described Ns is preferably 3.
7. a kind of stepper motor with stator, including rotor, it is characterised in that described motor also includes claim 1-6
In any described step motor stator.
8. stepper motor according to claim 7, it is characterised in that described rotor includes rotor core, the rotor iron
Core is uniformly distributed the small tooth of Nr rotor, and 14≤Nr≤50.
9. stepper motor according to claim 8, it is characterised in that described Nr is preferably 18,22 or 26.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412241.6U CN206908394U (en) | 2017-04-19 | 2017-04-19 | Step motor stator and the stepper motor with stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412241.6U CN206908394U (en) | 2017-04-19 | 2017-04-19 | Step motor stator and the stepper motor with stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206908394U true CN206908394U (en) | 2018-01-19 |
Family
ID=61289920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720412241.6U Expired - Fee Related CN206908394U (en) | 2017-04-19 | 2017-04-19 | Step motor stator and the stepper motor with stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206908394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736598A (en) * | 2017-04-19 | 2018-11-02 | 上海鸣志电器股份有限公司 | A kind of step motor stator and the stepper motor with stator |
-
2017
- 2017-04-19 CN CN201720412241.6U patent/CN206908394U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736598A (en) * | 2017-04-19 | 2018-11-02 | 上海鸣志电器股份有限公司 | A kind of step motor stator and the stepper motor with stator |
| CN108736598B (en) * | 2017-04-19 | 2023-12-12 | 上海鸣志电器股份有限公司 | Stator of stepping motor and stepping motor with stator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 |