CN206775254U - Stator punching, stator core and motor - Google Patents
Stator punching, stator core and motor Download PDFInfo
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- CN206775254U CN206775254U CN201720570212.2U CN201720570212U CN206775254U CN 206775254 U CN206775254 U CN 206775254U CN 201720570212 U CN201720570212 U CN 201720570212U CN 206775254 U CN206775254 U CN 206775254U
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Abstract
The utility model provides a kind of stator punching, stator core and motor.Stator punching includes circular body, and the center of circular body is provided with circular port, and the external diameter of circular body is in the range of 135mm to 145mm, and the aperture of circular port is in the range of 80mm to 90mm.The larger of the circular port in circular body in stator punching of the present utility model, stator core and motor, reduce the waste of silicon steel sheet and enamel-covered wire, reduce the production cost of stator punching, improve the noise of motor, and then be easy to improve the performance of motor.
Description
Technical field
Technical field of driving is the utility model is related to, in particular to a kind of stator punching, stator core and electricity
Machine.
Background technology
Stator punching on motor generally comprises is into the punching body of annular, the middle part of the punching body substantially
Hollow interior circular hole, some punching grooves radially extended are dispersed between the cylindrical and hollow interior circular hole of body.Traditional stator punching
The hollow interior circular hole of body is 74-79mm, and 36 grooves, empirical tests, this structure punching slot number is single, limits the selection of motor pole number,
Influence the utilization rate of slot number, interior circular hole is small adds motor iron loss, significant wastage silicon steel sheet and enamel-covered wire, increase motor into
This.
Utility model content
Main purpose of the present utility model is to provide a kind of stator punching, stator core and motor, to solve existing skill
The problem of production cost of stator punching in art is high.
To achieve these goals, according to one side of the present utility model, there is provided a kind of stator punching, including circle
Body, the center of circular body are provided with circular port, the external diameter of circular body in the range of 135mm to 145mm, circular port
Aperture is in the range of 80mm to 90mm.
Further, punching groove is provided with the inwall of circular port, punching groove is 32 or 36 or 40.
Further, punching groove includes notch, and notch is rectangular, the width of notch in the range of 2.2mm to 2.5mm,
The height of notch is in the range of 0.7mm to 1mm.
Further, punching groove includes groove shoulder, and groove shoulder is in isosceles trapezoid, the scope of the Breadth Maximum of groove shoulder 3.7 to 5mm
Interior, the height of groove shoulder is in the range of 0.43 to 1mm.
Further, punching groove includes groove body, and groove body is in isosceles trapezoid, and the height of groove body is in 11.05mm to 13.55mm's
In the range of.
Further, punching groove includes bottom land, and bottom land is in circular arc, the scope of the radius of bottom land in 2.85mm to 3.65mm
It is interior.
Further, punching groove includes groove shoulder and bottom land, and groove shoulder and bottom land are put down in oblique shoulder round bottom or circle shoulder round bottom or oblique shoulder
Bottom or the flat mode of circle shoulder are set.
Further, it is provided with button wedge on the surface of circular body, the side of circular body is provided with corresponding with button wedge
Breach.
Further, the outer ledge of circular body is provided with least one detent.
Further, at least one rivet hole is provided with circular body.
Further, butt portion is provided with circular body.
According to another aspect of the present utility model, there is provided a kind of stator core, including stator punching, stator punching are upper
The stator punching stated.
According to another further aspect of the present utility model, there is provided a kind of motor, including stator punching, stator punching are above-mentioned
Stator punching.
Further, motor also includes Single-layer Windings, and Single-layer Windings are using chain type or staggered form or concentric type or wait element
Connected mode is arranged.
Further, motor also includes double winding, and double winding is arranged using lap winding connected mode.
Using the technical solution of the utility model, in terms of existing technologies, in the circular body in the utility model
Circular port larger, reduce the waste of silicon steel sheet and enamel-covered wire, reduce the production cost of stator punching, improve
The noise of motor, and then it is easy to improve the performance of motor.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 diagrammatically illustrates the front view of the first embodiment of stator punching of the present utility model；
Fig. 2 diagrammatically illustrate the stator punching in Fig. 1 according to figure enlarged drawing；
Fig. 3 diagrammatically illustrates the front view of the second embodiment of stator punching of the present utility model；And
Fig. 4 diagrammatically illustrates the half sectional view of motor of the present utility model.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, circular body；11st, wedge is detained；12nd, breach；13rd, detent；14th, rivet hole；15th, butt portion；20th, it is circular
Hole；30th, punching groove；31st, notch；32nd, groove shoulder；33rd, groove body；34th, bottom land；40th, motor shaft；50th, motor casing.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except herein
Order beyond those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Referring to shown in Fig. 1 to Fig. 3, according to embodiment of the present utility model, there is provided a kind of stator punching, in the present embodiment
Stator punching include circular body 10, the center of circular body 10 is provided with circular port 20, and the outer diameter D of circular body 10 exists
In the range of 135mm to 145mm, such as 138mm, 141mm, 144mm, the scope of the aperture D1 of circular port 20 in 80mm to 90mm
It is interior, such as 83mm, 85mm, 88mm, it is provided with multiple punching grooves 30 on the inwall of circular port 20.In terms of existing technologies,
The larger of the circular port 20 in circular body 10 in the present embodiment, reduces the waste of silicon steel sheet and enamel-covered wire, subtracts
Lack the production cost of stator punching, improved the noise of motor, and then be easy to improve the performance of motor.
Punching groove 30 in the present embodiment is 32 or 36 or 40, when punching groove 30 is arranged to 32, is had
Effect adds the utilization rate (tankful) of 4P, 8P pole count machine stator slot, makes winding uniform, and magnetic is close uniformly, improves motor performance；When
When punching groove 30 is 36, it can use on the motor of 6P series；When punching groove 30 is 40, can use in 10P poles
On number motor, the efficiency of Low speed electric motor is improved.It can be seen that the slot number of circular body 10 of the present utility model is various so that electricity
The variation of machine winding connection, can optimize motor performance, reduce motor cost, and slot number number of poles is corresponding, reduce dead slot, increase
Add slot number utilization rate, while the variation of the quantity of punching groove 30 causes stator punching strong applicability.Stator punching i.e. in the present embodiment
Piece can select the quantity of punching groove 30 according to the efficiency and cost of motor, and selectivity is high, and the rational design of slot number optimizes electricity
Machine cost, improves motor performance.
Punching groove 30 in the present embodiment includes notch 31, groove shoulder 32, groove body 33 and bottom land 34.
Wherein, notch 31 is rectangle, and the width bs0 of notch 31 is in the range of 2.2mm to 2.5mm, such as 2.3mm, groove
The height hs0 of mouth 31 is in the range of 0.7mm to 1mm, such as 0.8mm, 0.9mm etc.；
Groove shoulder 32 is in isosceles trapezoid, and groove shoulder 32 is directly connected to notch 31, and the Breadth Maximum bs1 of groove shoulder 32 3.7 to
In the range of 5mm, such as 4mm, 4.3mm, 4.6mm, 4.9mm etc., the height hs1 of groove shoulder 32 is in the range of 0.43 to 1mm, example
Such as 0.6mm, 0.7mm, 0.8mm, 0.9mm；
Groove body 33 is in isosceles trapezoid, and groove body 33 is directly connected to groove shoulder 32, the height hs2 of groove body 33 in 11.05mm extremely
In the range of 13.55mm, such as 11.55mm, 12.05mm, 12.55mm, 13.05mm etc.；
Bottom land 34 is in circular arc, and the radius R of bottom land 34 is in the range of 2.85mm to 3.65mm, such as 3.25mm etc..
During actual design, groove shoulder 32 and bottom land 34 could be arranged to oblique shoulder round bottom or circle shoulder round bottom or oblique shoulder is put down
Bottom or circle shoulder are flat etc., wherein flat size carries out reasonable selection by the above-mentioned diameter of bottom land 34.Oblique shoulder refers to have in the present embodiment
There is the groove shoulder on the inclined-plane for favouring notch 31, circle shoulder refers to the groove shoulder with circular arc side, and round bottom refers to there is circular arc side
Bottom land, the flat bottom land for referring to that bottom is horizontal.
In actual design process, electromotive force and magnetoelectricity gesture can be effectively improved by reasonable selection punching teeth portion and yoke portion size
Waveform, further improve the efficiency of motor, reduce the usage amount of silicon steel and enamel-covered wire, it is cost-effective.
Button wedge 11 is provided with the side of circular body 10 in the present embodiment, the side of circular body 10 is provided with and detained
Breach 12 corresponding to wedge 11 so that stator laminating structure can be folded in use when on small folded thick motor by detaining the mode of wedge 11
Pressure, cause iron core concentricity unqualified to avoid detaining the pressure of wedge 11, in side position inscribe one fixed width, length corresponding to button wedge 11
The breach 12 of degree, Stability Analysis of Structures is reliable.
Preferably, the button wedge 11 in the present embodiment is multiple, multiple button wedges 11 along circular body 10 circumferentially.
In order to by the stator punching use in the present embodiment greatly fold thick motor on, be provided with circular body 10 to
A few rivet hole 14, by the effect of rivet hole 14, can rivet multi-layer stator punching, securely and reliably, versatile.It is preferred that
Ground, rivet hole 14 are multiple, circumferentially-spaced arrangement of multiple rivet holes 14 along stator punching, are easy to multi-layer stator punching is stable
Ground riveting is fixed together.
The outer ledge of circular body 10 is provided with least one detent 13, is easy to position stator power line, adds
Fast motor speed of production.
Stator punching in the present embodiment is circular, can also be in circle in another embodiment of the present utility model
Butt portion 15 is set on shape body 10 so that the outer side edges of circular body 10 show local square structure, as shown in figure 1,
When stator punching is in butt, four butt portions 15 can be set in circular body 10, four butt portions 15 are along circular body
10 circumferentially-spaced is evenly arranged, and the maximum gauge in butt portion 15 is in the range of 1.2mm to 1.8mm, when circular body 10
When outer diameter D is 140mm, the distance between two butt portions 15 being oppositely arranged D1 is 137mm.During actual use,
The stator punching of wholecircle or the stator punching of butt can select according to actual performance requirement and structural requirement, suitable for veneer reeling machine
Shell structure and stretching end cover structure, while also may be used in copper cash and electric machine with aluminium winding, strong applicability.
According to another aspect of the present utility model, there is provided a kind of stator core, the stator core include stator punching, fixed
Sub- punching is above-mentioned stator punching.
With reference to shown in Fig. 1 to Fig. 4, according to another further aspect of the present utility model, there is provided a kind of motor, in the present embodiment
Motor includes motor shaft 40, motor casing 50 and stator punching, and stator punching is above-mentioned stator punching.
In a kind of preferred embodiment of the present utility model, motor also includes Single-layer Windings, and the Single-layer Windings use chain
Formula or staggered form or concentric type wait element connected mode to arrange.In another preferred embodiment of the present utility model, electricity
Machine also includes double winding, and double winding is arranged using lap winding connected mode.Winding in the above embodiments is short distance winding,
Make overhang connection shorter, can save copper cash again can reduced harmonic, improve the waveform of electromotive force and magnetoelectricity gesture.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：This reality
135-145mm is designed as with the stator punching external diameter in new, stator punching has two kinds of butt and wholecircle, hollow inner circular hole chi
Very little increasing is 80-90mm, reduces cost, improves noise；Stator punching teeth portion and yoke portion size are designed, punching groove is designed as 32
Groove, 36 grooves, 40 grooves, slot number number of poles is corresponding, reduces dead slot, increases slot number utilization rate, while the variation of punching slot number to determine
Sub- punching strong applicability；Wedge is detained on stator punching and the design of rivet hole make it that stator core is safe and reliable, the button wedge joint is nearby opened
The design of groove make it that punching manufacture craft is feasible；Stator punching is provided with locating slot, and stator power line is determined when facilitating the motor to produce
Position.It can be seen that stator punching of the present utility model can realize following technique effect：
1st, the larger in the hollow circular hole of the positioning punching in the utility model, notch, groove shoulder are slightly reduced, designed
When suitably reduce umber of turn, the about relatively low 2.5%-6.8% of copper loss, electric efficiency increase 0.5%-3%；
2nd, the design of the groove of slot number 32 effectively increases the utilization rate (tankful) of 4P, 8P pole count machine stator slot, makes winding equal
Cloth, magnetic is close uniformly, improves motor performance；
3rd, the design of the groove of slot number 40 is may be used on the motor of 10P numbers of poles, improves Low speed electric motor efficiency；
4th, slot number is various so that the variation of machine winding connected mode；Optimization of groove number motor performance is rationally designed, is reduced
Motor cost；
5th, stator punching teeth portion, the design reduced harmonic of yoke portion size, improve electromotive force and the waveform of magnetoelectricity gesture, improve electricity
Engine efficiency, improve motor noise, save silicon steel and enamel-covered wire dosage, reduce motor cost, increase competitive advantage.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (15)
1. a kind of stator punching, it is characterised in that including circular body (10), the center of the circular body (10) is provided with circle
Shape hole (20), in the range of 135mm to 145mm, the aperture of the circular port (20) exists the external diameter of the circular body (10)
In the range of 80mm to 90mm.
2. stator punching according to claim 1, it is characterised in that be provided with punching on the inwall of the circular port (20)
Groove (30), the punching groove (30) are 32 or 36 or 40.
3. stator punching according to claim 2, it is characterised in that the punching groove (30) includes notch (31), described
Notch (31) is rectangular, and in the range of 2.2mm to 2.5mm, the height of the notch (31) exists the width of the notch (31)
In the range of 0.7mm to 1mm.
4. stator punching according to claim 2, it is characterised in that the punching groove (30) includes groove shoulder (32), described
Groove shoulder (32) is in isosceles trapezoid, and the Breadth Maximum of the groove shoulder (32) is in the range of 3.7 to 5mm, the height of the groove shoulder (32)
Degree is in the range of 0.43 to 1mm.
5. stator punching according to claim 2, it is characterised in that the punching groove (30) includes groove body (33), described
Groove body (33) is in isosceles trapezoid, and the height of the groove body (33) is in the range of 11.05mm to 13.55mm.
6. stator punching according to claim 2, it is characterised in that the punching groove (30) includes bottom land (34), described
Bottom land (34) is in circular arc, and the radius of the bottom land (34) is in the range of 2.85mm to 3.65mm.
7. stator punching according to claim 2, it is characterised in that the punching groove (30) includes groove shoulder (32) and bottom land
(34), the groove shoulder (32) and the bottom land (34) are in a manner of oblique shoulder round bottom or circle shoulder round bottom or oblique shoulder are flat or circle shoulder is flat
Set.
8. stator punching according to claim 1, it is characterised in that be provided with button on the surface of the circular body (10)
Wedge (11), the side of the circular body (10) are provided with breach (12) corresponding with the button wedge (11).
9. stator punching according to claim 1, it is characterised in that the outer ledge of the circular body (10) is provided with
At least one detent (13).
10. stator punching according to claim 1, it is characterised in that be provided with least one on the circular body (10)
Individual rivet hole (14).
11. stator punching according to any one of claim 1 to 10, it is characterised in that on the circular body (10)
It is provided with butt portion (15).
12. a kind of stator core, including stator punching, it is characterised in that the stator punching is any in claim 1 to 11
Stator punching described in.
13. a kind of motor, including stator punching, it is characterised in that the stator punching is any one of claim 1 to 11 institute
The stator punching stated.
14. motor according to claim 13, it is characterised in that the motor also includes Single-layer Windings, the individual layer around
Group is using chain type or staggered form or concentric type or waits element connected mode to arrange.
15. motor according to claim 13, it is characterised in that the motor also includes double winding, and the double winding is adopted
Arranged with lap winding connected mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570212.2U CN206775254U (en) | 2017-05-19 | 2017-05-19 | Stator punching, stator core and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570212.2U CN206775254U (en) | 2017-05-19 | 2017-05-19 | Stator punching, stator core and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775254U true CN206775254U (en) | 2017-12-19 |
Family
ID=60641773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720570212.2U Active CN206775254U (en) | 2017-05-19 | 2017-05-19 | Stator punching, stator core and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116231893A (en) * | 2023-05-08 | 2023-06-06 | 河北辰昊传动设备有限公司 | Permanent magnet synchronous motor with notch on stator and direct-drive driving system |
-
2017
- 2017-05-19 CN CN201720570212.2U patent/CN206775254U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116231893A (en) * | 2023-05-08 | 2023-06-06 | 河北辰昊传动设备有限公司 | Permanent magnet synchronous motor with notch on stator and direct-drive driving system |
| CN116231893B (en) * | 2023-05-08 | 2023-08-01 | 河北辰昊传动设备有限公司 | Permanent magnet synchronous motor with notch on stator and direct-drive driving system |
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