CN206908395U - Stator punching sheet, stator core and motor - Google Patents
Stator punching sheet, stator core and motor Download PDFInfo
- Publication number
- CN206908395U CN206908395U CN201720695293.9U CN201720695293U CN206908395U CN 206908395 U CN206908395 U CN 206908395U CN 201720695293 U CN201720695293 U CN 201720695293U CN 206908395 U CN206908395 U CN 206908395U
- Authority
- CN
- China
- Prior art keywords
- groove
- stator punching
- range
- punching
- stator
- 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.)
- Active
Links
- 238000004080 punching Methods 0.000 title claims abstract description 100
- 238000004804 winding Methods 0.000 claims description 22
- 239000002356 single layer Substances 0.000 claims description 7
- 230000009467 reduction Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009510 drug design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013000 roll bending Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model provides a stator is towards piece, stator core and motor. The stator punching sheet comprises a circular body, a circular hole is formed in the center of the circular body, a plurality of punching sheet grooves are formed in the circular body and are arranged along the circumferential direction of the circular hole, each punching sheet groove comprises a notch, a groove shoulder, a groove body and a groove bottom, each notch is rectangular, the width of each notch is in a range from 1.8mm to 2.2mm, and the height of each notch is in a range from 0.7mm to 0.9 mm; the groove shoulder is in an isosceles trapezoid shape, the maximum width of the groove shoulder is in the range of 4.8mm to 5.3mm, and the height of the groove shoulder is in the range of 0.8 mm to 1 mm; the groove body is in an isosceles trapezoid shape, and the height of the groove body is within the range of 7.6mm to 8.0 mm; the groove bottom is arc-shaped, and the radius of the groove bottom is within the range of 3.4mm to 3.6 mm. The utility model provides a stator is towards the groove area reduction in the punching sheet groove of piece, is convenient for improve the total pressure efficiency 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
The stator punching for being conventionally used to AC asynchronous motor is generally comprised substantially into the punching body of annular, the punching
The middle part of body is hollow interior circular hole, and some punching grooves radially extended are dispersed between the cylindrical and hollow interior circular hole of body, warp
Cross Analysis of Magnetic Circuit calculate and test checking, traditional stator punching smoke exhaust ventilator and wind coil motor etc. add static pressure consider and total head effect
Electric efficiency is low in the high type of rate requirement；Stator punching ring width is wider, and punching groove area is larger, punching groove area using low,
Ferromagnetic material can not make full use of, and add the usage amount of the raw material such as copper, iron, aluminium, and motor material cost is high.
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 total pressure efficiency of motor in art is low.
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, and multiple punchings circumferentially along circular port are provided with circular body
Groove, punching groove include notch, groove shoulder, groove body and bottom land, wherein, the scope of the external diameter of circular body in 100mm to 105mm
Interior, the diameter of circular port is in the range of 58mm to 68mm；Notch is rectangular, the scope of the width of notch in 1.8mm to 2.2mm
Interior, the height of notch is in the range of 0.7mm to 0.9mm；Groove shoulder is in isosceles trapezoid, the Breadth Maximum of groove shoulder in 4.8mm extremely
In the range of 5.3mm, the height of groove shoulder is in the range of 0.8 to 1mm；Groove body is in isosceles trapezoid, the height of groove body in 7.6mm extremely
In the range of 8.0mm；Bottom land is in circular arc, and the radius of bottom land is in the range of 3.4mm to 3.6mm.
Further, punching groove is 24.
Further, the outer ledge of circular body is provided with least one detent.
Further, button wedge is provided with the surface of circular body.
Further, butt portion is provided with circular body.
Further, butt portion is four, and four butt portions are evenly arranged in the periphery of stator punching.
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, the circular body of the stator punching in the utility model, the groove of punching groove
It is mouthful wide, notch is high, the whole height of punching groove slightly reduces, and the groove area of punching groove reduces, while umber of turn when using
Appropriate to reduce, copper loss reduces, and punching groove area utilization rate is high, adds static pressure to consider electricity in type in smoke exhaust ventilator and wind coil motor etc.
Machine total pressure efficiency can effectively improve.
Because the circular body of stator punching and the size of punching groove reduce, it can effectively reduce iron loss, reduce iron
The raw material such as core, cast aluminium, end cap, so as to reduce the production cost of motor.And the teeth portion of stator punching, yoke portion can be weakened
Harmonic wave, improve electromotive force and the waveform of magnetoelectricity gesture, improve electric efficiency, improve motor noise, simultaneously because the tooth of stator punching
Portion, the rational design in yoke portion, the close improvement for being evenly distributed and arranging in pairs or groups of magnetic, are effectively improved the usable floor area of groove, improve electricity
The service life of machine.Further, since in the utility model stator punching design when can be appropriate reduction umber of turn, effectively
Ground reduces copper factor, improves the technological feasibility of manufacture, while saves enamel-covered wire dosage, reduces motor cost, and increase is competing
Strive advantage.
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 illustrates the front view of the second embodiment of stator punching of the present utility model；And
Fig. 3 diagrammatically illustrates the enlarged drawing of the punching groove of stator punching of the present utility model.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, circular body；11st, circular port；12nd, punching groove；121st, notch；122nd, groove shoulder；123rd, groove body；124th, bottom land；
13rd, wedge is detained；14th, butt portion；15th, detent.
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 and Fig. 3, according to first embodiment of the present utility model, there is provided a kind of stator punching, including circle
Shape body 10, the center of circular body 10 are provided with circular port 11, the circumferential cloth along circular port 11 are provided with circular body 10
The multiple punching grooves 12 put, punching groove 12 include notch 121, groove shoulder 122, groove body 123 and bottom land 124, wherein, circular body
10 external diameter is in the range of 100mm to 105mm, and the diameter of circular port 11 is in the range of 58mm to 68mm；Notch 121 is in square
Shape, the width of notch 121 is in the range of 1.8mm to 2.2mm, and the height of notch 121 is in the range of 0.7mm to 0.9mm；Groove
Shoulder 122 is in isosceles trapezoid, the Breadth Maximum of groove shoulder 122 in the range of 4.8mm to 5.3mm, the height of groove shoulder 122 0.8 to
In the range of 1mm；Groove body 123 is in isosceles trapezoid, and the height of groove body 123 is in the range of 7.6mm to 8.0mm；Bottom land 124 is in circle
Arc, the radius of bottom land 124 is in the range of 3.4mm to 3.6mm.Height in the present embodiment is with referring to along the footpath of circular body 10
It is consistent to direction.
The circular body 10 of stator punching in the present embodiment, the notch 121 of punching groove 12 is wide, notch 121 is high, punching groove
12 whole height slightly reduces, and the groove area of punching groove 12 reduces, while umber of turn suitably reduces when using, copper loss drop
Low, punching groove area utilization rate is high, and adding static pressure to consider in type motor total pressure efficiency in smoke exhaust ventilator and wind coil motor etc. can be with
Effectively improve.
Because the circular body 10 of stator punching and the size of punching groove 12 reduce, it can effectively reduce iron loss, reduce
The raw material such as iron core, cast aluminium, end cap, so as to reducing the production cost of motor.And the teeth portion of stator punching, yoke can be weakened
The harmonic wave in portion, improve electromotive force and the waveform of magnetoelectricity gesture, improve electric efficiency, improve motor noise, simultaneously because stator punching
Teeth portion, yoke portion rational design, the close improvement for being evenly distributed and arranging in pairs or groups of magnetic, be effectively improved the usable floor area of groove, improve
The service life of motor.Further, since in the present embodiment stator punching design when can be appropriate reduction umber of turn, have
Copper factor is reduced to effect, improves the technological feasibility of manufacture, while saves enamel-covered wire dosage, reduces motor cost, increase
Competitive advantage.
Preferably, the punching groove 12 in the present embodiment is 24, certainly, in other embodiment of the present utility model, also
It could be arranged to 32 or 36 etc..
The outer ledge of circular body 10 in the present embodiment is provided with least one detent 15, is easy to power line
Positioning, accelerate motor speed of production.
Button wedge 13 is provided with the surface of circular body 10 in the present embodiment, by detaining the effect of wedge 13, is easy to assemble
Form stator core.Preferably, in a kind of preferred embodiment of the present utility model, the side of circular body 10 be provided with
Detain breach (not shown) corresponding to wedge 13 so that stator laminating structure can pass through button in use when on small folded thick motor
The mode of wedge 13 laminates, and causes iron core concentricity unqualified to avoid detaining the pressure of wedge 13, in side position inscribe corresponding to button wedge 13
The breach of one fixed width, length, Stability Analysis of Structures are reliable.
With reference to shown in Fig. 2, according to second embodiment of the present utility model, there is provided a kind of stator punching, in the present embodiment
Stator punching and first embodiment in it is basically identical, except that, be provided with the circular body 10 in the present embodiment
Butt portion 14 so that the outer side edges of circular body 10 show local square structure, as shown in Fig. 2 when stator punching is in cut
Fang Shi, can set four butt portions 14 in circular body 10, four butt portions 14 along circular body 10 it is circumferentially-spaced
Even arrangement.During actual use, the stator punching of wholecircle or the stator punching of butt can according to actual performance requirement and
Structural requirement selects, and suitable for roll bending casing structure and stretching end cover structure, while also may be used at copper cash and electric machine with aluminium winding
In, 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. 3, according to another further aspect of the present utility model, there is provided a kind of motor, in the present embodiment
Motor stator punching, stator punching are 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.
It is fixed with reference to the above embodiments it is recognised that the utility model sets a kind of stator punching applied on motor
The diameter D on the extension side of the circular body 10 of sub- punching is 100mm-105mm, and the diameter d of circular port 11 is 58mm to 68mm；Tool
Body characteristicses are as follows：
The extension side of circular body 10 is annular (such as Fig. 1) or is provided with butt portion 14 (such as Fig. 2), the size of butt portion 14
D ' can be according to actual adjustment (example 100mm, D ' are 97mm)；Circular port 11 is provided among stator punching, in circular port 11 and extension
Punching groove 12 is provided between side, the punching groove 12 includes notch 121, groove shoulder 122, groove body 123 and bottom land 124, each punching groove 12
Between form punching teeth portion, punching yoke portion is formed between the bottom land of the punching groove 12 and stator punching extension side.
The notch 121 is designed as rectangle, the width 1.8-2.2mm of notch 121, such as 2.0mm, the height of notch 121
0.7-0.9mm, such as 0.8mm；
The groove shoulder 122 is designed as trapezoidal, and the width of groove shoulder 122 is 4.8-5.3mm, such as 5.0mm, the height of groove shoulder 122
Spend for 0.8-1.0mm, such as 0.9mm；
The groove body 123 is designed as trapezoidal, and the height of groove body 123 is 7.6-8.0mm, such as 7.8mm；
The bottom land 124 is designed as circular arc, and the radius of the circular arc is 3.4-3.6mm, such as 3.5mm；
The punching groove 12 is provided with altogether 24.
During actual design, the groove shoulder 122 and bottom land 124 are justified according to actual optional oblique shoulder round bottom, circle shoulder
Bottom, oblique shoulder be flat or circle shoulder is flat is arranged in pairs or groups；The punching yoke portion is provided with several button wedges 13, is made for stator core
When each stator punching between mutually button fix.
In a kind of preferred embodiment of the present utility model, punching groove 12 shares 24, and the external diameter of circular body 10 is
100mm, a diameter of 60mm of circular port 11；The width of the notch 121 of the punching groove 12 is 2mm, is highly 0.8；Groove shoulder 122
Width be 5mm, be highly 0.9mm；Groove body 123 is trapezoidal, is highly 7.8mm；Bottom land 124 is round bottom, radius 3.5mm.
The stator laminating structure can select using chain type, staggered form, concentric type according to slot number Single-layer Windings and wait element connected mode,
Lap winding connected mode may be selected in double winding, is all short distance winding, makes overhang connection shorter, can save copper cash and again may be used
Reduced harmonic, improve electromotive force and the waveform of magnetoelectricity gesture；Stator laminating structure use when on motor by detaining the mode of wedge 13
Laminate, it is securely and reliably, versatile；Detent 15 is designed with stator punching, is easy to stator power line to position, accelerates motor
Speed of production；Reasonable selection punching teeth portion and yoke portion size can be effectively improved electromotive force and the waveform of magnetoelectricity gesture, further improve
The efficiency of motor, the usage amount of silicon steel and enamel-covered wire is reduced, it is cost-effective.
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 (10)
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 (11), multiple punching grooves (12) circumferentially along the circular port (11) are provided with the circular body (10),
The punching groove (12) includes notch (121), groove shoulder (122), groove body (123) and bottom land (124), wherein,
The external diameter of the circular body (10) in the range of 100mm to 105mm, the diameter of the circular port (11) in 58mm extremely
In the range of 68mm；
The notch (121) is rectangular, and the width of the notch (121) is in the range of 1.8mm to 2.2mm, the notch
(121) height is in the range of 0.7mm to 0.9mm；
The groove shoulder (122) is in isosceles trapezoid, and the Breadth Maximum of the groove shoulder (122) is in the range of 4.8mm to 5.3mm, institute
The height of groove shoulder (122) is stated in the range of 0.8 to 1mm；
The groove body (123) is in isosceles trapezoid, and the height of the groove body (123) is in the range of 7.6mm to 8.0mm；
The bottom land (124) is in circular arc, and the radius of the bottom land (124) is in the range of 3.4mm to 3.6mm.
2. stator punching according to claim 1, it is characterised in that the punching groove (12) is 24.
3. 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 (15).
4. stator punching according to claim 1, it is characterised in that be provided with button on the surface of the circular body (10)
Wedge (13).
5. stator punching according to claim 1, it is characterised in that be provided with butt portion on the circular body (10)
(14)。
6. stator punching according to claim 5, it is characterised in that the butt portion (14) is four, is cut described in four
Square portion (14) is evenly arranged in the periphery of the stator punching.
7. a kind of stator core, including stator punching, it is characterised in that the stator punching is any one of claim 1 to 6
Described stator punching.
8. a kind of motor, including stator punching, it is characterised in that the stator punching is any one of claim 1 to 6
Stator punching.
9. motor according to claim 8, it is characterised in that the motor also includes Single-layer Windings, the Single-layer Windings
Using chain type or staggered form or concentric type or element connected mode is waited to arrange.
10. motor according to claim 8, it is characterised in that the motor also includes double winding, and the double winding uses
Lap winding connected mode is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720695293.9U CN206908395U (en) | 2017-06-14 | 2017-06-14 | Stator punching sheet, stator core and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720695293.9U CN206908395U (en) | 2017-06-14 | 2017-06-14 | Stator punching sheet, stator core and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206908395U true CN206908395U (en) | 2018-01-19 |
Family
ID=61284590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720695293.9U Active CN206908395U (en) | 2017-06-14 | 2017-06-14 | Stator punching sheet, stator core and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206908395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957873A (en) * | 2019-12-27 | 2020-04-03 | 山西电机制造有限公司 | Single-punching die structure of large and small groove-shaped stator punching sheets |
-
2017
- 2017-06-14 CN CN201720695293.9U patent/CN206908395U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957873A (en) * | 2019-12-27 | 2020-04-03 | 山西电机制造有限公司 | Single-punching die structure of large and small groove-shaped stator punching sheets |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203039445U (en) | Small-sized or mini-sized motor and stator iron core thereof | |
| CN103604348A (en) | Motor stator core inner circle detection device | |
| CN101807838B (en) | Single phase capacitor operating type motor stator and manufacture method thereof | |
| CN206908395U (en) | Stator punching sheet, stator core and motor | |
| CN103390943A (en) | Structure of internal rotor of ferrite steel magnet type motor and assembling method thereof | |
| JP5391096B2 (en) | Annular iron core and iron core for stationary induction equipment | |
| CN104034224A (en) | Motor stator core inner circle detection apparatus | |
| CN201742179U (en) | Magneto stator core used for motorcycle | |
| CN109920627B (en) | Three-phase three-dimensional lamination type iron core of three-phase reactor | |
| CN206775254U (en) | Stator punching sheet, stator core and motor | |
| CN109888955A (en) | A kind of high power density disc type motor winding construction and its winding preparation method | |
| CN102118086A (en) | Single-phase capacitor-operated motor stator | |
| CN201616748U (en) | Single-phase capacitor operation type motor stator | |
| CN210273620U (en) | Annular stator with inclined tooth poles | |
| CN201260097Y (en) | Fan motor with stator winding improved and brushless heat radiating fan | |
| CN208623402U (en) | Stator, monocyclic-start induction motor, compressor and refrigeration equipment | |
| CN209217810U (en) | A kind of stator core and motor with high stacking factor | |
| CN201533199U (en) | Electric machine stator and rotor for a refrigeration compressor | |
| CN207459846U (en) | One kind turns stator core construction | |
| CN206962574U (en) | A kind of stator and its motor of outer rotating motor | |
| CN212412857U (en) | Stator core and motor with same | |
| CN203377690U (en) | Cross sectional lamination stator | |
| CN208581095U (en) | Stator module and motor, compressor, refrigeration equipment with it | |
| CN201146408Y (en) | Array type motor iron core | |
| CN213717713U (en) | Motor rotor iron core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |