CN2558153Y - Direct driven permanent magnetic brushless dc motor for washig machine - Google Patents
Direct driven permanent magnetic brushless dc motor for washig machine Download PDFInfo
- Publication number
- CN2558153Y CN2558153Y CN 02265714 CN02265714U CN2558153Y CN 2558153 Y CN2558153 Y CN 2558153Y CN 02265714 CN02265714 CN 02265714 CN 02265714 U CN02265714 U CN 02265714U CN 2558153 Y CN2558153 Y CN 2558153Y
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- motor
- washing machine
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Abstract
Disclosed is a <direct-drive permanent-magnetic brushless DC motor 'of a washing machine. The utility model is an outer stator structure. The rotor core is provided with 24 grooves. The stator is provided with 28 double-convex-shaped permanent-magnetic magnetic poles. The direct-drive permanent-magnetic brushless DC motor adopting the utility model can directly connect a main spindle of the washing machine with a motor shaft, and completely discard a belt pullet and a gear reduction box. The utility model not only can meet the requirement of low-speed and large force moment on washing, but also meet the requirement of high-rotating-speed direct-drive. Not only the structure of the washing machine can be simple and easy to be installed, but also is favorable to realize the infinite variable speed to improve the motor efficiency and lower the noise.
Description
Technical field
The utility model relates to permanent-magnet brushless DC electric machine, relates in particular to a kind of direct driving permanent-magnet brushless DC electric machine of washing machine.
Background technology
Traditional washing machine mainly adopts single-phase capacitor running asynchronous cage type motor, different torques and rotating speed during for satisfied washing and dehydration, complicated mechanical gear and belt transmission have been disposed, make motor and the impeller can't be concentric, especially in roller washing machine, need symmetric position placement one and the cement block that motor has identical weight,, increased the weight of washing machine to guarantee the cylindric washer balance at the placement asynchronous machine.Therefore, conventional washer have that fuselage weight is big, balance is poor, mechanism noise and many defectives such as vibrations height, the low poor reliability of electric efficiency.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned defective, a kind of direct driving permanent-magnet brushless DC electric machine of washing machine being provided.
It has stator, rotor, this motor is an outer-rotor structure, the external diameter of stator core is 200～250mm, the diameter of stator core yoke is 150～190mm, core length is 20～50mm, have 24 grooves, its slot opening is 2～6mm, the parallel teeth facewidth is 5～10mm, be with concentrated winding on each tooth respectively, its umber of turn is 150～280 circles, and rotor has 28 permanent magnetism magnetic poles that are the biconvex shape, and the following protruding and internal diameter of permanent magnetism magnetic pole is 240～258mm, external diameter is that the rotor core of 248～270mm is fastening, epirelief is that the circular arc of 20～50mm constitutes with the straight line that is connected the circular arc two ends by radius, the width of each permanent magnetism magnetic pole is 8～12 ° of mechanical angles, and length is 30～50mm, highly is 8～14mm.
Washing machine adopts external rotor permanent magnet brshless DC motor of the present utility model, can abandon belt pulley and gear reduction box fully, the washing machine main shaft is consistent with electrical axis, can satisfy the requirement of when washing low-speed and large-torque, can satisfy the direct driving of high rotating speed requirement again, not only make the simple in structure of washing machine, install easily, also help the realization infinitely variable speeds, improve electric efficiency, reduce noise.
Description of drawings
Fig. 1 is the structural representation of permanent-magnet brushless DC electric machine of the present utility model, (a concentrated winding only draws among the figure);
Fig. 2 is a biconvex shape permanent magnetism magnetic pole cross-sectional view.
Embodiment
Following is instantiation of the utility model, structure is with reference to accompanying drawing, motor has stator 1, rotor 2, stator has 24 grooves 3, its notch a1 is wide to be 2.4mm, the parallel teeth b facewidth is 7mm, being with the number of turn on each tooth of stator is the concentrated winding 4 of 200 circles, the external diameter of stator core is 226mm, the diameter of phi of stator core yoke is 168mm, and core length is 26mm, and rotor has 28 biconvex shape permanent magnetism magnetic poles 5, protruding internal diameter that is fastened on is 248mm under it, external diameter is in the rotor core 6 of 258mm, epirelief is made of with the straight line c that is connected the circular arc two ends circular arc a, and the radius of the circular arc a of permanent magnetism magnetic pole epirelief 5 ' is 40mm, and the width a2 of each permanent magnetism magnetic pole is 11 ° of mechanical angles, length is 44mm, and height h is 10mm.This electric motor starting moment can reach 30 Ns more than the rice, and noise is less than 40dB, and motor speed is adjustable continuously.
Claims (2)
1. the direct driving permanent-magnet brushless DC electric machine of washing machine, has stator (1), rotor (2), it is characterized in that this motor is an outer-rotor structure, the external diameter of stator core is 200～250mm, the diameter of stator core yoke (Φ) is 150～190mm, core length is 20～50mm, have 24 grooves (3), its notch (a1) is wide to be 2～6mm, parallel teeth (b) facewidth is 5～10mm, be with concentrated winding (4) on each tooth respectively, its umber of turn is 150～280 circles, rotor has 28 permanent magnetism magnetic poles (5) that are the biconvex shape, the following protruding and internal diameter of permanent magnetism magnetic pole is 240～258mm, external diameter is that the rotor core (6) of 248～270mm is fastening, and epirelief (5 ') is that the circular arc (a) of 20～50mm constitutes with the straight line that is connected the circular arc two ends (c) by radius, and the width of each permanent magnetism magnetic pole (a2) is 8～12 ° of mechanical angles, length is 30～50mm, and highly (h) is 8～14mm.
2. press the direct driving permanent-magnet brushless DC electric machine of the described washing machine of claim 1, the external diameter that it is characterized in that said stator core is 226mm, the diameter of stator core yoke (Φ) is 168mm, core length is 26mm, notch (a1) is wide to be 2.4mm, parallel teeth (b) facewidth is 7mm, umber of turn is 200 circles, the internal diameter of rotor core (6) is 248mm, external diameter is 258mm, and the arc radius of epirelief (5 ') is 40mm, and the width of each magnetic pole (a2) is 11 ° of mechanical angles, magnetic pole length is 44mm, and highly (h) is 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265714 CN2558153Y (en) | 2002-07-22 | 2002-07-22 | Direct driven permanent magnetic brushless dc motor for washig machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265714 CN2558153Y (en) | 2002-07-22 | 2002-07-22 | Direct driven permanent magnetic brushless dc motor for washig machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2558153Y true CN2558153Y (en) | 2003-06-25 |
Family
ID=33731687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02265714 Expired - Fee Related CN2558153Y (en) | 2002-07-22 | 2002-07-22 | Direct driven permanent magnetic brushless dc motor for washig machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2558153Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100568680C (en) * | 2008-07-03 | 2009-12-09 | 浙江工业大学 | Have the adjustable speed electric rotating machine of electronic, electrification feedback and electro-magnetic braking functions concurrently |
| CN101325355B (en) * | 2007-06-14 | 2010-10-06 | 江门市洗衣机厂 | Three-phase winding Y-wiring single phase capacitance run motor for washing machine |
| CN101662200B (en) * | 2009-08-10 | 2011-06-08 | 刘明 | Dual-control double-drive permanent-magnet direct-current brushless motor |
| US8012268B2 (en) | 2004-10-21 | 2011-09-06 | Lg Electronics Inc. | Dishwasher |
| CN101018002B (en) * | 2006-12-28 | 2013-03-27 | 李平 | Small three-phase high-performance square wave permanent magnetic DC low-speed brushless motor |
| EP3091644A1 (en) * | 2015-05-08 | 2016-11-09 | Johnson Electric S.A. | Washing machine and driving apparatus thereof |
| EP3101788A1 (en) * | 2015-05-08 | 2016-12-07 | Johnson Electric S.A. | Single-phase outer-rotor motor and electric apparatus having the same |
| EP3101789A1 (en) * | 2015-05-08 | 2016-12-07 | Johnson Electric S.A. | Single-phase outer-rotor motor and stator thereof |
| EP3101790A1 (en) * | 2015-05-08 | 2016-12-07 | Johnson Electric S.A. | Single-phase outer-rotor motor and rotor thereof |
| EP3835626A1 (en) * | 2019-12-13 | 2021-06-16 | MEGA-Line RACING ELECTRONIC GmbH | Variable transmission with electric motor driven shift drum and method for changing between several gear ratios |
| WO2023040212A1 (en) * | 2021-09-18 | 2023-03-23 | 广东美芝制冷设备有限公司 | Motor, compressor, and refrigeration device |
-
2002
- 2002-07-22 CN CN 02265714 patent/CN2558153Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8012268B2 (en) | 2004-10-21 | 2011-09-06 | Lg Electronics Inc. | Dishwasher |
| CN101018002B (en) * | 2006-12-28 | 2013-03-27 | 李平 | Small three-phase high-performance square wave permanent magnetic DC low-speed brushless motor |
| CN101325355B (en) * | 2007-06-14 | 2010-10-06 | 江门市洗衣机厂 | Three-phase winding Y-wiring single phase capacitance run motor for washing machine |
| CN100568680C (en) * | 2008-07-03 | 2009-12-09 | 浙江工业大学 | Have the adjustable speed electric rotating machine of electronic, electrification feedback and electro-magnetic braking functions concurrently |
| CN101662200B (en) * | 2009-08-10 | 2011-06-08 | 刘明 | Dual-control double-drive permanent-magnet direct-current brushless motor |
| EP3101788A1 (en) * | 2015-05-08 | 2016-12-07 | Johnson Electric S.A. | Single-phase outer-rotor motor and electric apparatus having the same |
| EP3091644A1 (en) * | 2015-05-08 | 2016-11-09 | Johnson Electric S.A. | Washing machine and driving apparatus thereof |
| EP3101789A1 (en) * | 2015-05-08 | 2016-12-07 | Johnson Electric S.A. | Single-phase outer-rotor motor and stator thereof |
| EP3101790A1 (en) * | 2015-05-08 | 2016-12-07 | Johnson Electric S.A. | Single-phase outer-rotor motor and rotor thereof |
| US10243439B2 (en) | 2015-05-08 | 2019-03-26 | Johnson Electric International AG | Single-phase outer-rotor motor and stator thereof |
| US10243438B2 (en) | 2015-05-08 | 2019-03-26 | Johnson Electric International AG | Single-phase outer-rotor motor and rotor thereof |
| EP3835626A1 (en) * | 2019-12-13 | 2021-06-16 | MEGA-Line RACING ELECTRONIC GmbH | Variable transmission with electric motor driven shift drum and method for changing between several gear ratios |
| WO2023040212A1 (en) * | 2021-09-18 | 2023-03-23 | 广东美芝制冷设备有限公司 | Motor, compressor, and refrigeration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |