CN203911601U - Stator punching sheet, stator core and motor - Google Patents
Stator punching sheet, stator core and motor Download PDFInfo
- Publication number
- CN203911601U CN203911601U CN201420167796.5U CN201420167796U CN203911601U CN 203911601 U CN203911601 U CN 203911601U CN 201420167796 U CN201420167796 U CN 201420167796U CN 203911601 U CN203911601 U CN 203911601U
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- stator
- millimeters
- stator punching
- motor
- slot
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Abstract
The utility model provides a stator punching sheet, a stator core and a motor; the stator punching sheet comprises an annular yoke and 12 stator teeth extending in a radial periphery direction of the stator punching sheet from the yoke; the stator tooth comprises a tooth root and a tooth top; a stator slot is formed between adjacent two stator teeth; the stator punching sheet has a hollow inner round hole; the stator slot comprises a slot bottom and a slot port; the stator slot is a flat base oblique shoulder slot with a narrowed slot port or a dovetail slot; the utility model also relates to the stator core and the motor; the stator punching sheet is applied in the motor, so the magnetic field density is more uniform in motor operation; the motor is small in vibration and low in noise in operation, and is more stable and reliable in operation; a maximum torque of the motor made of the stator punching sheets is enlarged, thus preventing over high temperature of the motor in operation, and prolonging the service life of the motor.
Description
Technical field
The utility model relates to technical field of motors, relates in particular to a kind of stator punching, stator core and motor.
Background technology
80 serial plastic packaging alternating current machines in industry, are all generally 4 utmost point motors at present, and its number of stator slots is 16 grooves, and its winding is around yoke portion.Clarifier industry goes from strength to strength in recent years, 80 is that class plastic packaging AC motor application is also extensively more and more, because of the handling characteristics of clarifier, its rotating speed requires to be commonly 300-1000 rev/min, adopt 4 utmost point motors, its revolutional slip is greater than 0.5, and electric efficiency is very low in this state, and because operating in range of instability, motor there will be that torque ripple is large, noise is poor, the problems such as difficulty in starting.
Utility model content
In view of the present situation of prior art, the purpose of this utility model is to provide a kind of stator punching, stator core and motor, and stator punching is applied in motor, and while making motor operation, magnetic density is more even, noise is low, maximum moment increases.For achieving the above object, the technical solution of the utility model is as follows:
A kind of stator punching, comprise circular yoke portion and the radial circumference direction along described stator punching is extended from described yoke portion 12 stator tooths, described stator tooth has tooth root and tooth top, between two adjacent described stator tooths, form stator slot, and described stator punching has the interior circular hole of hollow, described stator slot has bottom land and notch, and described stator slot is flat oblique shoulder groove or the dovetail groove that notch place narrows.
More preferably, the outside diameter φ A of described stator punching is 80 millimeters～90 millimeters, and the diameter phi B of described interior circular hole is 40 millimeters～50 millimeters.
Further, the outside diameter φ A of described stator punching is 86 millimeters～88 millimeters, and the diameter phi B of described interior circular hole is 46 millimeters～48 millimeters.
More preferably, described stator tooth is straight-tooth, and its tooth root width T is 4 millimeters～7 millimeters.
More preferably, at described stator punching in the radial direction, the yoke portion width C of described stator punching is 4 millimeters～7 millimeters.
More preferably, described notch is parallel notch, and width of rebate D is 1.5 millimeters～2.5 millimeters.
Further, described width of rebate D is 1.8 millimeters～2.2 millimeters.
More preferably, the tooth top end face of described stator punching is provided with at least one groove.
Further, the width E of described groove is 0.1 millimeter～2 millimeters, and degree of depth F is 0.1 millimeter～2 millimeters.
Further, the width E of described groove is 1.8 millimeters～2 millimeters, and degree of depth F is 0.3 millimeter～0.5 millimeter.
Also relate to a kind of stator core, described stator core is overrided to form by multi-disc stator punching, the stator punching that described stator punching is above-mentioned arbitrary technical scheme.
Also relate to a kind of motor, comprise stator punching or the stator core of above-mentioned arbitrary technical scheme.
The beneficial effects of the utility model are:
Stator punching of the present utility model, stator core and motor, stator punching is applied in motor, and while making motor operation, magnetic density is more even.Motor when operation vibrate little, noise is low, the operation of motor is more steady, reliability is higher.Meanwhile, use the motor maximum moment that this stator punching is made to increase, excess Temperature while avoiding motor operation, the useful life of prolongation motor.Motor winding is around the stator tooth of stator punching, and with respect to rule scheme with around the scheme of stator punching yoke portion, enamelled wire utilance is high, contrasts in the situation of identical power output and efficiency, can save 20% above enamelled wire consumption.Stator punching tooth portion magnetic is close obviously reduces motor electromagnetic noise with the close balance that levels off to of yoke portion magnetic, in the stator tooth pole shoe of stator punching, groove is set, and further reduces the slot ripples of motor, improves motor noise.
Brief description of the drawings
Fig. 1 is the structural representation of motor one embodiment of the present utility model;
Fig. 2 is the structural representation of the stator punching of motor shown in Fig. 1;
Fig. 3 is the partial enlarged drawing of I part in Fig. 2;
Fig. 4 is the structural representation of another embodiment of stator punching of motor shown in Fig. 1;
Fig. 5 is the partial enlarged drawing of II part in Fig. 4.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, stator punching of the present utility model, stator core and motor are further elaborated.Should be appreciated that specific embodiment described herein is only for explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, motor one embodiment of the present utility model is 6 utmost point motors, motor has housing 1 and is positioned at the end cap 2 of housing 1 both sides, housing 1 surrounds a cavity with end cap 2, stator 3 and rotor 4 are installed in cavity, stator 3 has stator core and around the coil in stator core, rotor 4 is arranged in stator 3, and can relative stator 3 rotate.Armature spindle 5 is arranged in rotor 4, and with rotor 4 interference fit, under the drive of rotor 4, rotate, thus outside outputting power.
With reference to Fig. 2 and Fig. 3, stator core is overrided to form by multi-disc stator punching 30,12 stator tooths 32 that stator punching 30 comprises circular yoke portion 31 and the radial circumference direction along stator punching 30 is extended from yoke portion 31, stator tooth 32 has tooth root and tooth top, between two adjacent stator tooths 32, form stator slot 33, and stator punching 30 has the interior circular hole 34 of hollow, and stator slot 33 has bottom land and notch, flat oblique shoulder groove or dovetail groove that stator slot 33 narrows for notch place.Preferably, notch is parallel notch, and width of rebate D is 1.5 millimeters～2.5 millimeters, is preferably 1.8 millimeters～2.2 millimeters.
The outside diameter φ A of stator punching 30 is 80 millimeters～90 millimeters, and the diameter phi B of interior circular hole 34 is 40 millimeters～50 millimeters.Preferably, the outside diameter φ A of stator punching 30 is 86 millimeters～88 millimeters, and the diameter phi B of interior circular hole 34 is 46 millimeters～48 millimeters.
Stator tooth 32 is straight-tooth, and its tooth root width T is 4 millimeters～7 millimeters, and at stator punching 30 in the radial direction, the yoke portion width C of stator punching 30 is 4 millimeters～7 millimeters.
As a kind of embodiment, as 4 and Fig. 5 as shown in, the difference of the stator punching 30 in stator punching 30 and above-described embodiment is: the tooth top end face of stator punching 30 is provided with at least one groove 41, and the width E of groove 41 is 0.1 millimeter～2 millimeters, and degree of depth F is 0.1 millimeter～2 millimeters.Preferably, the width E of groove 41 is 1.8 millimeters～2 millimeters, and degree of depth F is 0.3 millimeter～0.5 millimeter.The tooth top end face of each stator tooth 32 can arrange 1～2 groove 41, and groove 41 regular distribution, further improve the electromagnetic noise of motor.
Stator punching, stator core and the motor of above embodiment, stator punching is applied in motor, and while making motor operation, magnetic density is more even.Motor when operation vibrate little, noise is low, the operation of motor is more steady, reliability is higher.Meanwhile, use the motor maximum moment that this stator punching is made to increase, excess Temperature while avoiding motor operation, the useful life of prolongation motor.Motor winding is around the stator tooth of stator punching, and with respect to rule scheme with around the scheme of stator punching yoke portion, enamelled wire utilance is high, contrasts in the situation of identical power output and efficiency, can save 20% above enamelled wire consumption.Under rotating speed requires as the situation of 300-1000 rev/min, through verification experimental verification, adopt 6 utmost point motors than 4 utmost point motor stabilizings, detent torque is large, overload capacity is strong and efficiency exceeds more than 5% relatively.Close and the close balance that levels off to of yoke portion magnetic of stator punching tooth portion magnetic obviously reduces motor electromagnetic noise, in the stator tooth pole shoe of stator punching, groove is set, further reduce motor slot ripples, improve motor noise.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (12)
1. a stator punching, is characterized in that:
Comprise circular yoke portion and the radial circumference direction along described stator punching is extended from described yoke portion 12 stator tooths, described stator tooth has tooth root and tooth top, between two adjacent described stator tooths, form stator slot, and described stator punching has the interior circular hole of hollow, described stator slot has bottom land and notch, and described stator slot is flat oblique shoulder groove or the dovetail groove that notch place narrows.
2. stator punching according to claim 1, is characterized in that:
The outside diameter φ A of described stator punching is 80 millimeters～90 millimeters, and the diameter phi B of described interior circular hole is 40 millimeters～50 millimeters.
3. stator punching according to claim 2, is characterized in that:
The outside diameter φ A of described stator punching is 86 millimeters～88 millimeters, and the diameter phi B of described interior circular hole is 46 millimeters～48 millimeters.
4. stator punching according to claim 1, is characterized in that:
Described stator tooth is straight-tooth, and its tooth root width T is 4 millimeters～7 millimeters.
5. according to the stator punching described in claim 1-4 any one, it is characterized in that:
At described stator punching in the radial direction, the yoke portion width C of described stator punching is 4 millimeters～7 millimeters.
6. according to the stator punching described in claim 1-4 any one, it is characterized in that:
Described notch is parallel notch, and width of rebate D is 1.5 millimeters～2.5 millimeters.
7. stator punching according to claim 6, is characterized in that:
Described width of rebate D is 1.8 millimeters～2.2 millimeters.
8. according to the stator punching described in claim 1-4 any one, it is characterized in that:
The tooth top end face of described stator punching is provided with at least one groove.
9. stator punching according to claim 8, is characterized in that:
The width E of described groove is 0.1 millimeter～2 millimeters, and degree of depth F is 0.1 millimeter～2 millimeters.
10. stator punching according to claim 9, is characterized in that:
The width E of described groove is 1.8 millimeters～2 millimeters, and degree of depth F is 0.3 millimeter～0.5 millimeter.
11. 1 kinds of stator cores, is characterized in that:
Described stator core is overrided to form by multi-disc stator punching, and described stator punching is the stator punching described in claim 1-10 any one.
12. 1 kinds of motors, is characterized in that:
Comprise stator punching or stator core as claimed in claim 11 as described in claim 1-10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167796.5U CN203911601U (en) | 2014-04-08 | 2014-04-08 | Stator punching sheet, stator core and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167796.5U CN203911601U (en) | 2014-04-08 | 2014-04-08 | Stator punching sheet, stator core and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203911601U true CN203911601U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420167796.5U Expired - Fee Related CN203911601U (en) | 2014-04-08 | 2014-04-08 | Stator punching sheet, stator core and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203911601U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110784029A (en) * | 2019-09-02 | 2020-02-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator core, motor and compressor |
| CN112737155A (en) * | 2020-12-28 | 2021-04-30 | 安徽美芝精密制造有限公司 | Stator, motor, compressor and refrigeration plant |
| CN113036956A (en) * | 2019-12-25 | 2021-06-25 | 广东美的白色家电技术创新中心有限公司 | Stator tooth punching sheet, motor stator and motor |
-
2014
- 2014-04-08 CN CN201420167796.5U patent/CN203911601U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110784029A (en) * | 2019-09-02 | 2020-02-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator core, motor and compressor |
| CN110784029B (en) * | 2019-09-02 | 2021-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator core, motor and compressor |
| CN113036956A (en) * | 2019-12-25 | 2021-06-25 | 广东美的白色家电技术创新中心有限公司 | Stator tooth punching sheet, motor stator and motor |
| CN112737155A (en) * | 2020-12-28 | 2021-04-30 | 安徽美芝精密制造有限公司 | Stator, motor, compressor and refrigeration plant |
| CN112737155B (en) * | 2020-12-28 | 2022-03-01 | 安徽美芝精密制造有限公司 | Stator, motor, compressor and refrigeration plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20210408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |