CN102684329A - Stator punch for alternating current (AC) asynchronous motor of air conditioning fan - Google Patents
Stator punch for alternating current (AC) asynchronous motor of air conditioning fan Download PDFInfo
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- CN102684329A CN102684329A CN2012101537490A CN201210153749A CN102684329A CN 102684329 A CN102684329 A CN 102684329A CN 2012101537490 A CN2012101537490 A CN 2012101537490A CN 201210153749 A CN201210153749 A CN 201210153749A CN 102684329 A CN102684329 A CN 102684329A
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Abstract
The invention relates to a stator punch for an alternating current (AC) asynchronous motor of an air conditioning fan. A hollow inner round hole is arranged in the middle of the stator punch, punch slots which are arranged along the radial direction of the stator punch are evenly distributed between the excircle and the hollow inner round hole of the stator punch, the diameter phi A of the excircle of the stator punch ranges from 92mm to 98mm, the punch slots consists of a first punch slot and a second punch slot, the diameter phi B of the inner circle of the hollow inner round hole ranges from 60mm to 66mm, the first punch slot is of a round bottom slot, the opening width C1 of the first punch slot ranges from 1.5 to 2.0mm, the opening height E of the first punch slot ranges from 0.45 to 0.77mm, the shoulder width D1 of the first punch slot ranges from 3.94 to 4.34mm, the shoulder height of the first punch slot ranges from 0.33 to 0.72mm. the stator punch has the characteristics of effectively improving the magnetic field distribution of iron core tooth parts and iron core running states of the motor, reducing the consumption of winding and iron core raw materials, and being high in energy efficiency and long in service life.
Description
Technical field
The present invention relates to a kind of stator punching of AC asynchronous motor, particularly a kind of stator punching that is used for the air-conditioning fan AC asynchronous motor.
Background technology
Tradition is used for the stator punching 1 of the AC asynchronous motor of air-conditioning fan; Shown in accompanying drawing 1; Circular hole 2 in the hollow has been made at the middle part of stator punching 1, is evenly distributed with the some punching grooves 3 that are provided with along the radial direction of stator punching 1, the general 92～98mm of the outside diameter of stator punching 1 in the cylindrical of stator punching 1 and the hollow between the circular hole 2; The interior circular diameter of circular hole 2 is generally 60 or 55mm in the hollow; Through magnetic circuit analysis and calculating, there is following shortcoming in this stator laminating structure: 1) punching of this kind structure is generally each stator teeth width and equates, finds through the finite element analysis of motor; Have half stator teeth to be in operation and saturation condition occurs, the efficient of motor is low; 2) punching of this kind structure is the performance that reaches certain, and the copper factor of motor is very high, is unfavorable for realizing automation.3) the traditional electromagnetic theory calculation Design of the general employing of the punching of this kind structure, material usage is many, and cost is high relatively.
Summary of the invention
The object of the invention aim to provide a kind of simple and reasonable, effectively improve iron core of electric motor tooth portion and running status unshakable in one's determination Distribution of Magnetic Field, reduce that winding and iron core raw material consumption, efficiency are high, the stator punching that is used for the air-conditioning fan AC asynchronous motor of long service life, to overcome weak point of the prior art.
A kind of stator punching that is used for the air-conditioning fan AC asynchronous motor by this purpose design; The middle part of stator punching is provided with circular hole in the hollow; Be evenly equipped with the punching groove that radially is provided with along stator punching in the cylindrical of stator punching and the hollow between the circular hole, the outside diameter φ A of stator punching is 92～98mm, and its architectural feature is that the punching groove comprises the first punching groove and the second punching groove; The interior circular diameter φ B of circular hole is 60～66mm in the hollow
Wherein, The first punching groove is a round bottomed vessel, and the slot opening C1 of the first punching groove is 1.5～2.0mm, and the high E1 of the notch of the first punching groove is 0.45～0.77mm; The groove shoulder breadth D1 of the first punching groove is 3.94～4.34mm; The groove shoulder height F1 of the first punching groove is 0.33～0.72mm, and the groove top radius R 1 of the first punching groove is 2.78～3.18mm
The second punching groove is a flat-bottom slot; The slot opening C2 of the second punching groove is 1.5～1.9mm; The high E2 of the notch of the second punching groove is 0.45～0.77mm; The groove shoulder breadth D2 of the second punching groove is 3.94～4.34mm, and the groove shoulder height F2 of the second punching groove is 0.33～0.72mm, and the groove top width G of the second punching groove is 6.5～7.1mm.
The number of the said first punching groove and the second punching groove is respectively done for oneself 12, totally 24.
The said first punching groove and the second punching groove space are provided with;
Perhaps, per two first punching grooves are first module, and per two second punching grooves are Unit second, and first module and space, Unit second are provided with;
Perhaps, per three first punching grooves are first module, and per three second punching grooves are Unit second, and first module and space, Unit second are provided with.
The present invention utilizes the finite element analysis means; Carry out the dynamic change of theory analysis and simulating electric machine magnetic circuit; Designed the first punching groove and the second punching groove with the different facewidth, different grooveds, its purpose makes close and close the tending to balance of yoke portion magnetic of tooth portion magnetic, has improved the utilance of separate unit motor material; Embody the significantly lifting of motor efficiency, improve simultaneously because of magnetic is close inhomogeneously cause vibrating, the solution of knotty problem such as noise; Secondly, reduce the magnetic leakage factor and the temperature rise of motor, under the equal performance demands, the raw material consumption of motor winding and iron core has been reduced the useful life of having improved motor greatly, reduced material cost.
Through practical proof repeatedly, separate unit 95 serial power of electric motor range of decrease 4W, the range of decrease about 6%.And the market recoverable amount of this type of motor surpasses 100,000,000, by moving calculating in 2 hours every every day, can save 2.92 hundred million degree electricity the whole year, so the energy consumption of greatly reducing has realized energy-conserving and environment-protective.
That the present invention has is simple and reasonable, effectively improve iron core of electric motor tooth portion and running status unshakable in one's determination Distribution of Magnetic Field, reduce that winding and iron core raw material consumption, efficiency are high, the characteristics of long service life.
Description of drawings
Fig. 1 is the prior art constructions sketch map.
Fig. 2 is one embodiment of the invention structural representation.
Fig. 3 is the local enlarged diagram in I place among Fig. 2.
Fig. 4 is the local enlarged diagram in P place among Fig. 2.
Among the figure: 1 is stator punching, and 2 is circular hole in the hollow, and 3 is the first punching groove, and 4 is the second punching groove.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Referring to Fig. 2-Fig. 4; Originally the stator punching that is used for the air-conditioning fan AC asynchronous motor; The middle part of stator punching 1 is provided with circular hole 2 in the hollow, is evenly equipped with the punching groove that radially is provided with along stator punching 1 in the cylindrical of stator punching 1 and the hollow between the circular hole 2, and the outside diameter φ A of stator punching 1 is 92～98mm; The punching groove comprises the first punching groove 3 and the second punching groove 4, and the interior circular diameter φ B of circular hole 2 is 60～66mm in the hollow.
Wherein, The first punching groove 3 is a round bottomed vessel, and the slot opening C1 of the first punching groove 3 is 1.5～2.0mm, and the high E1 of the notch of the first punching groove 3 is 0.45～0.77mm; The groove shoulder breadth D1 of the first punching groove 3 is 3.94～4.34mm; The groove shoulder height F1 of the first punching groove 3 is 0.33～0.72mm, and the groove top radius R 1 of the first punching groove 3 is 2.78～3.18mm
The second punching groove 4 is a flat-bottom slot; The slot opening C2 of the second punching groove 4 is 1.5～1.9mm; The high E2 of the notch of the second punching groove 4 is 0.45～0.77mm; The groove shoulder breadth D2 of the second punching groove 4 is 3.94～4.34mm, and the groove shoulder height F2 of the second punching groove 4 is 0.33～0.72mm, and the groove top width G of the second punching groove 4 is 6.5～7.1mm.
The number of the first punching groove 3 and the second punching groove 4 is respectively done for oneself 12, totally 24.
In the present embodiment, both can the first punching groove 3 and the second punching groove, 4 spaces be provided with; Also can be with per two first punching grooves 3 as first module, per two second punching grooves 4 are as Unit second, and first module and space, Unit second are provided with; Can also be with per three first punching grooves 3 as first module, per three second punching grooves 4 are as Unit second, and first module and space, Unit second are provided with.
During actual fabrication, the outside diameter φ A of stator punching 1 is 95mm, and the interior circular diameter φ B of circular hole 2 is 62mm in the hollow; The slot opening C1 of the first punching groove 3 is 1.8mm, and the high E1 of the notch of the first punching groove 3 is 0.67mm, and the groove shoulder breadth D1 of the first punching groove 3 is 4.14mm; The groove shoulder height F1 of the first punching groove 3 is 0.53mm, and the groove top radius R 1 of the first punching groove 3 is 2.98mm, and the slot opening C2 of the second punching groove 4 is 1.8mm; The high E2 of the notch of the second punching groove 4 is 0.67mm; The groove shoulder breadth D2 of the second punching groove 4 is 4.14mm, and the groove shoulder height F2 of the second punching groove 4 is 0.53mm, and the groove top width G of the second punching groove 4 is 6.8mm.The first punching groove 3 and the second punching groove, 4 spaces are provided with, and are as shown in Figure 2.
Claims (3)
1. stator punching that is used for the air-conditioning fan AC asynchronous motor; The middle part of stator punching (1) is provided with circular hole (2) in the hollow; Be evenly equipped with the punching groove that radially is provided with along stator punching (1) in the cylindrical of stator punching (1) and the hollow between the circular hole (2), the outside diameter φ A of stator punching (1) is 92～98mm, it is characterized in that the punching groove comprises the first punching groove (3) and the second punching groove (4); The interior circular diameter φ B of circular hole (2) is 60～66mm in the hollow
Wherein, The first punching groove (3) is a round bottomed vessel, and the slot opening C1 of the first punching groove (3) is 1.5～2.0mm, and the high E1 of notch of the first punching groove (3) is 0.45～0.77mm; The groove shoulder breadth D1 of the first punching groove (3) is 3.94～4.34mm; The groove shoulder height F1 of the first punching groove (3) is 0.33～0.72mm, and the groove top radius R 1 of the first punching groove (3) is 2.78～3.18mm
The second punching groove (4) is a flat-bottom slot; The slot opening C2 of the second punching groove (4) is 1.5～1.9mm; The high E2 of notch of the second punching groove (4) is 0.45～0.77mm; The groove shoulder breadth D2 of the second punching groove (4) is 3.94～4.34mm, and the groove shoulder height F2 of the second punching groove (4) is 0.33～0.72mm, and the groove top width G of the second punching groove (4) is 6.5～7.1mm.
2. the stator punching that is used for the air-conditioning fan AC asynchronous motor according to claim 1 is characterized in that the number of the said first punching groove (3) and the second punching groove (4) is respectively done for oneself 12, totally 24.
3. the stator punching that is used for the air-conditioning fan AC asynchronous motor according to claim 1 and 2 is characterized in that the said first punching groove (3) and second punching groove (4) space are provided with;
Perhaps, per two first punching grooves (3) are first module, and per two second punching grooves (4) are Unit second, and first module and space, Unit second are provided with;
Perhaps, per three first punching grooves (3) are first module, and per three second punching grooves (4) are Unit second, and first module and space, Unit second are provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101537490A CN102684329A (en) | 2012-05-17 | 2012-05-17 | Stator punch for alternating current (AC) asynchronous motor of air conditioning fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101537490A CN102684329A (en) | 2012-05-17 | 2012-05-17 | Stator punch for alternating current (AC) asynchronous motor of air conditioning fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102684329A true CN102684329A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101537490A Pending CN102684329A (en) | 2012-05-17 | 2012-05-17 | Stator punch for alternating current (AC) asynchronous motor of air conditioning fan |
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|---|---|
| CN (1) | CN102684329A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229116Y (en) * | 1995-01-17 | 1996-06-12 | 王国臣 | Stator core plate for single phase asynchronous motor |
| CN201298794Y (en) * | 2008-11-09 | 2009-08-26 | 广东威灵电机制造有限公司 | A stator punching sheet for an air conditioner fan AC asynchronous motor |
| CN201378757Y (en) * | 2008-11-14 | 2010-01-06 | 中山大洋电机股份有限公司 | Structure of motor stator iron core punching plate |
-
2012
- 2012-05-17 CN CN2012101537490A patent/CN102684329A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229116Y (en) * | 1995-01-17 | 1996-06-12 | 王国臣 | Stator core plate for single phase asynchronous motor |
| CN201298794Y (en) * | 2008-11-09 | 2009-08-26 | 广东威灵电机制造有限公司 | A stator punching sheet for an air conditioner fan AC asynchronous motor |
| CN201378757Y (en) * | 2008-11-14 | 2010-01-06 | 中山大洋电机股份有限公司 | Structure of motor stator iron core punching plate |
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Application publication date: 20120919 |