CN202475209U - External rotor brushless motor for roller driving of drum type washing machine and drum type washing machine - Google Patents
External rotor brushless motor for roller driving of drum type washing machine and drum type washing machine Download PDFInfo
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- CN202475209U CN202475209U CN2012200042585U CN201220004258U CN202475209U CN 202475209 U CN202475209 U CN 202475209U CN 2012200042585 U CN2012200042585 U CN 2012200042585U CN 201220004258 U CN201220004258 U CN 201220004258U CN 202475209 U CN202475209 U CN 202475209U
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- washing machine
- fixed
- motor
- brushless motor
- outer rotor
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Abstract
The present utility model discloses a drum type washing machine and an external rotor brushless motor for roller driving of the drum type washing machine. The external rotor brushless motor comprises a motor body and a motor driver connected with the motor body. The motor body comprises an external rotor, a permanent magnet is fixed on the surface of a cavity of the external rotor, a rotating shaft is fixed on a rotation center of the external rotor, and one end of the rotating shaft is fixed with a connector; a stator assembly which is composed of a stator pedestal provided with a hole in the center, a stator armature fixed on the stator pedestal, and a bearing fixed inside the central hole of the stator pedestal; an installing board, four corners of the installing board are extended outward to fix a fixing leg, the end part of the fixing leg is provided with a penetrating fixing leg, and an installing hole for arranging the motor body on the drum type washing machine; the rotating shaft passes through a bearing hole of the bearing and the central hole of the stator pedestal, and a jump ring groove of the rotating shaft is provided with a jump ring for fixing the external rotor on the stator assembly. Thus, functions of washing machines are increased, performance of the washing machines is enhanced, and the washing machines are more healthy and safer.
Description
Technical field
The utility model relates to a kind of field of household appliances, particularly a kind of outer rotor brushless motor and roller washing machine that is used for the roller washing machine drum driven.
Background technology
Along with human lives's continuous improvement, the significance level of washing machine in the human lives improves day by day, and especially since roller washing machine came out, many superior functions made it begin to be favored by people.
But because traditional roller washing machine adopts string utmost point alternating current machine more on the present market, its major defect is exactly:
1. the string utmost point alternating current machine contact with commutator to conduct electricity through carbon brush and commutates, so just contacts friction between carbon brush and the commutator, so motor noise is just bigger;
2. owing to the friction between carbon brush and the commutator, make carbon brush and commutator that wearing and tearing all arranged, thereby restricting the working life of motor widely;
3. the carbon brush powder that weares and teares out flies to each corner in motor internal and the laundry casing along with the rotation of motor, and the components and parts of washing machine are polluted and damage, very not environmental protection;
4. the design of electrical motor structure is big, and waste of material is many.
The utility model content
The main purpose of the utility model provides a kind of outer rotor brushless motor that is used for the roller washing machine drum driven, is intended to improve conventional motors deficiency in use.
The utility model provides a kind of outer rotor brushless motor that is used for the roller washing machine drum driven, comprises motor body and the motor driver that is connected with motor body;
Said motor body comprises external rotor, stator module and mounting panel;
The surface of internal cavity of said external rotor is fixed with permanent magnet, and the pivot of unofficial biography also is fixed with rotating shaft, and an end of said rotating shaft is fixed with connector;
Said stator module comprises center stator base with holes, is fixed on the stator armature on the stator base and is fixed on the bearing in the stator base centre bore;
The dead eye of bearing and the centre bore of stator base are passed in said rotating shaft, in the jump ring groove in the rotating shaft jump ring are housed, and external rotor is fixed on the stator module;
Four jiaos of Convenient tables that respectively stretch out of said mounting panel, the end of said Convenient table are provided with and run through Convenient table and the power supply machine body is installed in the installing hole on the roller washing machine.
Preferably, said motor driver is fixed on the said stator base or is incorporated in the circuit control panel of roller washing machine.
Preferably, an end of the rotating shaft of said external rotor also is provided with position transducer, and said position transducer is any of photoelectric coding, magnetic code, resolver, generator, and said motor driver is the synchronous machine sine-wave drive.
Preferably, said motor body also comprises the angular transducer that is used to detect the external rotor anglec of rotation, and said angular transducer is fixed on the said stator module, and is connected with motor driver through lead; Said motor driver is a brushless electric machine square wave drive device.
Preferably, said permanent magnet is an annular permanent magnet, is fixed on the surface of internal cavity of external rotor.
Preferably, said permanent magnet is that multi-disc arc thin slice is formed, and is fixed on the surface of internal cavity of external rotor.
Preferably, said connector is any of belt pulley, synchronizing wheel, gear, sprocket wheel; This connector is enclosed within an end of rotating shaft, and perhaps the end by rotating shaft directly processes.
Preferably, be provided with temperature protection switch in the said stator armature, the lead of this temperature protection switch is connected on the motor driver.
Preferably, be fixed with balancing weight on the said mounting panel.
The utility model also provides a kind of roller washing machine; Comprise cylinder, outer rotor brushless motor, belt and driven pulley, holder and driven pulley are set on the said cylinder, said holder is used for fixing brushless electric machine; Said belt sleeve is on outer rotor brushless motor and driven pulley; Outer rotor brushless motor rotates through the driven pulley that belt drives on the cylinder, and then drives the cylinder rotation, and said outer rotor brushless motor comprises: motor body and the motor driver that is connected with motor body;
Said motor body comprises external rotor, stator module and mounting panel;
The surface of internal cavity of said external rotor is fixed with permanent magnet, and the pivot of unofficial biography also is fixed with rotating shaft, and an end of said rotating shaft is fixed with connector;
Said stator module comprises center stator base with holes, is fixed on the stator armature on the stator base and is fixed on the bearing in the stator base centre bore;
The dead eye of bearing and the centre bore of stator base are passed in said rotating shaft, in the jump ring groove in the rotating shaft jump ring are housed, and external rotor is fixed on the stator module;
Four jiaos of Convenient tables that respectively stretch out of said mounting panel, the end of said Convenient table are provided with and run through Convenient table and the power supply machine body is installed in the installing hole on the roller washing machine.
The utility model is owing to the design that has replaced traditional series excited machine with brushless electric machine; Thereby realized low noise; Long-life, high efficiency, can forward and reversely turn round, the gamut speed change, not only strengthened the function of washing machine, also improved the performance of washing machine; Perfect quality makes in the laundry casing much cleaner, safer.
Description of drawings
Fig. 1 is the Facad structure sketch map of the utility model outer rotor brushless motor one embodiment;
Fig. 2 is the cross-sectional view of Fig. 1 in the direction of A-A;
Fig. 3 is the mounting structure sketch map of the utility model outer rotor brushless motor on roller washing machine;
Fig. 4 is the utility model outer rotor brushless motor main body structure sketch map;
Fig. 5 be the utility model with this running body of brushless electric machine square wave drive device drive motors fundamental diagram;
Fig. 6 is the fundamental diagram of the utility model with this running body of synchronous machine sine-wave drive drive motors;
Fig. 7 is that the utility model motor driver is incorporated in the schematic diagram in the washing machine integrated circuit control board;
Fig. 8 is the direction of Fig. 2 at B-B, and the permanent magnet of outer rotor brushless motor is the cross-sectional view of annular permanent magnet;
Fig. 9 is the direction of Fig. 2 at B-B, and the permanent magnet of outer rotor brushless motor is the cross-sectional view of multi-disc arc thin slice;
Figure 10 is that the connector of the utility model outer rotor brushless motor is belt pulley and is sleeved on the partial structurtes sketch map on the axle;
Figure 11 is that the connector of the utility model outer rotor brushless motor is belt pulley and the direct partial structurtes sketch map that on axle, processes;
Figure 12 is that the connector of the utility model outer rotor brushless motor is synchronous pulley and is sleeved on the partial structurtes sketch map on the axle;
Figure 13 is that the connector of the utility model outer rotor brushless motor is synchronous pulley and the direct partial structurtes sketch map that on axle, processes;
Figure 14 is that the connector of the utility model outer rotor brushless motor is gear and is sleeved on the partial structurtes sketch map on the axle;
Figure 15 is that the connector of the utility model outer rotor brushless motor is gear and the direct partial structurtes sketch map that on axle, processes;
Figure 16 is that the connector of the utility model outer rotor brushless motor is sprocket wheel and is sleeved on the partial structurtes sketch map on the axle.
The realization of the utility model purpose, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Further specify the technical scheme of the utility model below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to Fig. 1 and Fig. 2, the utility model brushless electric machine comprises motor body 1 and motor driver 60; Wherein, motor body 1 comprises:
Stator module 40 comprises center stator base with holes 21, is fixed on the stator armature 41 on the stator base 21 and is fixed on the bearing 23 in stator base 21 centre bores.Wherein, Stator armature 41 comprises iron core 26, insulating paper (not shown) and coil 25; Stator armature 41 is cascaded by a plurality of sheet iron cores 26 and is cylindrical, and in the middle of this cylinder-shaped iron core 26, is provided with the circular inner hole that is used for fixing on stator base 21, outwards is distributed with radial slot around iron core 26 endoporus; In this radial slot, be covered with insulating paper, be provided with the coil 25 that lead is formed in this insulating paper.
The dead eye of bearing 23 and the centre bore of stator base 21 are passed in the rotating shaft 11 of external rotor 20; In the jump ring groove in the rotating shaft 11 jump ring 29 is housed; External rotor 20 is fixed on the stator module 40, thereby makes external rotor 20 unsettled being fixed on outside the stator armature 41, and 11 centers rotation around the shaft.
With reference to Fig. 3 and Fig. 4, stator base 21 is passed through screw on mounting panel 22.Four jiaos of protruding Convenient tables 7 of difference of this mounting panel 22 are provided with installing hole 71 in the end of Convenient table 7.Holder 6 is arranged on the urceolus of roller washing machine, and the installing hole 71 on the mounting panel 22 is enclosed within on the holder 6 of urceolus, and through screw lock, motor body 1 is fixed on the roller washing machine outer wall.Connector 2 in the rotating shaft 11 links together through belt 4 with the driven pulley 5 on the roller washing machine inner core.
The operation principle of the utility model brushless electric machine is: give the stator armature 41 energisings through motor driver 60, produce rotating magnetic field, drive external rotor 20 rotations, be transferred on the driven pulley 5 fixing on the roller washing machine inner core through belt 4, drive the cylinder rotation.
The utility model brushless electric machine has been compared following advantage with existing motor:
Owing to replaced the design of traditional series excited machine with brushless electric machine, realized low noise, long-life, high efficiency, can forward and reversely turn round, the gamut speed change; Not only strengthened the function of washing machine; Also improved the performance of washing machine, perfect quality makes in the laundry casing much cleaner, safer.
Refer again to Fig. 2 and Fig. 5, motor body 1 also comprises the angular transducer 80 that is used to detect the external rotor anglec of rotation, and this angular transducer 80 is fixed on the said stator armature 41, and motor body 1 and angular transducer 80 are connected with brushless electric machine driver 60 respectively.Motor driver 60 can be a brushless electric machine square wave drive device, be used to drive this motor body 1 carry out rotate, stop, the speed governing action, motor body 1 and angular transducer 80 be by 60 power supplies of brushless electric machine driver, and by 60 drivings of brushless electric machine driver.
Refer again to Fig. 2 and Fig. 6, an end of the rotating shaft 11 of motor body 1 is provided with position transducer 33, and this transducer 33 comprises rotor 31 and stator 32.Wherein, rotor 31 is fixed in the rotating shaft 11, and stator 32 is fixed on the stator base 21, and is screwed.Position transducer 33 is wired on the motor driver 60; Motor driver 60 is servomotor sine-wave drives, mainly comprises: power inverter 101, controller 102, controller power controlling converter; Current lead-through in control motor body 1 interior loop; Form near sinusoidal ripple electric current, position transducer 33 can be used any in photoelectric encoder, magnetic encoder, the resolver, according to various signals; Can make suitable adjustment to motor driver, make its operate as normal.
The structure of above-mentioned motor driver 60 can also comprise following various deformation:
With reference to Fig. 4, in a kind of execution mode of the utility model, motor driver 60 can through screw on stator base 21 and motor body 1 become one.
With reference to Fig. 7, in the another kind of execution mode of the utility model, this motor driver 60 also can be incorporated in the integrated circuit control board 104 of washing machine, so can save the washing machine cost.
With reference to Fig. 8, permanent magnet 24 is an annular permanent magnet, is fixed on external rotor 20 cylindrical cavities surface.Permanent magnet 24 adopts multistage magnet ring, and more reliable, dynamic balancing is also better.
With reference to Fig. 9, permanent magnet 24 also can be the arc thin slice, thus, is fixed with the permanent magnet 24 of the above-mentioned arc thin slice of multi-disc on external rotor 20 cylindrical cavity surfaces.
The structure of above-mentioned connector 2 also can comprise following various deformation:
With reference to Figure 10, in a kind of execution mode of the utility model, this connector 2 can be a belt pulley that is enclosed within the end of rotating shaft 11.Certainly, also can be processed into belt pulley, thereby form connector 2 with the mode of machining axle 11 the end of will walking around, shown in figure 11.Accordingly, driven pulley fixing on connector 2 and the cylinder inner core 5 is linked, and drive the cylinder rotation through belt.
With reference to Figure 12, in the another kind of execution mode of the utility model, this connector 2 can be a synchronous pulley that is enclosed within the end of rotating shaft 11.Certainly, also can synchronous pulley be processed in the end of rotating shaft 11, thereby form connector 2 with the mode of machining, shown in figure 13.Accordingly, driven pulley fixing on connector 2 and the cylinder inner core 5 is linked, and drive the cylinder rotation through synchronous band.
With reference to Figure 14, in another execution mode of the utility model, this connector 2 can be a gear that is enclosed within the end of rotating shaft 11.Certainly, also can use the end machine addition gear of the mode of machining, thereby form connector 2 rotating shaft 11, shown in figure 15.Accordingly, can driven pulley 5 cylindricals fixing on the cylinder inner core be made gear graph, and be meshed, drive the cylinder rotation with gear connector 2.
With reference to Figure 16, in another execution mode of the utility model, this connector 2 can be a sprocket wheel that is enclosed within the end of rotating shaft 11.Accordingly, can driven pulley 5 cylindricals fixing on the cylinder inner core be made sprocket wheel figure, available chain links itself and sprocket wheel connector 2, drives the cylinder rotation.
Refer again to Fig. 2, in the coil 25 of motor body 1, temperature protection switch 28 is housed, the lead of temperature protection switch 28 is attached on the driver 60 with the lead of stator coil 25.Temperature protection switch 28 is used to protect motor overheated danger not occur.
Refer again to Fig. 3, be fixed with balancing weight 3 on the mounting panel 22 of motor body 1, balancing weight 3 can be screwed on mounting panel 22.Because the utility model outer rotor brushless motor is little more about 1/3 than the weight of conventional motors, for the installation occasion of compatible conventional motors balancing weight is housed, and makes it reach the weight the same with conventional motors.In the future, after existing washing machine improvement, balancing weight 3 just can be canceled.
The above is merely the preferred embodiment of the utility model; Be not so limit its claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (10)
1. an outer rotor brushless motor that is used for the roller washing machine drum driven is characterized in that, comprises motor body and the motor driver that is connected with motor body;
Said motor body comprises external rotor, stator module and mounting panel;
The surface of internal cavity of said external rotor is fixed with permanent magnet, and the pivot of unofficial biography also is fixed with rotating shaft, and an end of said rotating shaft is fixed with connector;
Said stator module comprises center stator base with holes, is fixed on the stator armature on the stator base and is fixed on the bearing in the stator base centre bore;
The dead eye of bearing and the centre bore of stator base are passed in said rotating shaft, in the jump ring groove in the rotating shaft jump ring are housed, and external rotor is fixed on the stator module;
Four jiaos of Convenient tables that stretch out respectively of said mounting panel, the end of said Convenient table are provided with and run through Convenient table and the power supply machine body is installed in the installing hole on the roller washing machine.
2. the outer rotor brushless motor that is used for the roller washing machine drum driven as claimed in claim 1 is characterized in that, said motor driver is fixed on the said stator base or is incorporated in the circuit control panel of roller washing machine.
3. the outer rotor brushless motor that is used for the roller washing machine drum driven as claimed in claim 2; It is characterized in that; One end of the rotating shaft of said external rotor also is provided with position transducer; Said position transducer is any of photoelectric coding, magnetic code, resolver, generator, and said motor driver is the servomotor sine-wave drive.
4. the outer rotor brushless motor that is used for the roller washing machine drum driven as claimed in claim 2; It is characterized in that; Said motor body also comprises the angular transducer that is used to detect the external rotor anglec of rotation; Said angular transducer is fixed on the said stator module, and is connected with motor driver through lead; Said motor driver is a brushless electric machine square wave drive device.
5. the outer rotor brushless motor that is used for the roller washing machine drum driven according to claim 1 is characterized in that said permanent magnet is an annular permanent magnet, is fixed on the surface of internal cavity of external rotor.
6. the outer rotor brushless motor that is used for the roller washing machine drum driven according to claim 1 is characterized in that, said permanent magnet is that multi-disc arc thin slice is formed, and is fixed on the surface of internal cavity of external rotor.
7. like each described outer rotor brushless motor that is used for the roller washing machine drum driven in the claim 1 to 6, it is characterized in that said connector is any of belt pulley, synchronizing wheel, gear, sprocket wheel; This connector is enclosed within an end of rotating shaft, and perhaps the end by rotating shaft directly processes.
8. like each described outer rotor brushless motor that is used for the roller washing machine drum driven in the claim 1 to 6, it is characterized in that be provided with temperature protection switch in the said stator armature, the lead of said temperature protection switch is connected on the motor driver.
9. like each described outer rotor brushless motor that is used for the roller washing machine drum driven in the claim 1 to 6, it is characterized in that, be fixed with balancing weight on the said mounting panel.
10. a roller washing machine is characterized in that, comprises cylinder, outer rotor brushless motor, belt and driven pulley; Holder and driven pulley are set on the said cylinder; Said holder is used for fixing brushless electric machine, and said belt sleeve is on outer rotor brushless motor and driven pulley, and outer rotor brushless motor rotates through the driven pulley that belt drives on the cylinder; And then driving the cylinder rotation, said outer rotor brushless motor is like each described outer rotor brushless motor in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200042585U CN202475209U (en) | 2012-01-06 | 2012-01-06 | External rotor brushless motor for roller driving of drum type washing machine and drum type washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200042585U CN202475209U (en) | 2012-01-06 | 2012-01-06 | External rotor brushless motor for roller driving of drum type washing machine and drum type washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475209U true CN202475209U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200042585U Expired - Lifetime CN202475209U (en) | 2012-01-06 | 2012-01-06 | External rotor brushless motor for roller driving of drum type washing machine and drum type washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202475209U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095003A (en) * | 2012-12-14 | 2013-05-08 | 泰信电机(苏州)有限公司 | Injection-molding magnetic round rotor device for washing machine variable frequency motor and manufacture method |
| CN105048705A (en) * | 2015-08-06 | 2015-11-11 | 佛山市威灵洗涤电机制造有限公司 | Motor and washing machine with same |
| CN105671871A (en) * | 2016-03-25 | 2016-06-15 | 深圳市锐钜科技有限公司 | Control method, control system and control device for brushless direct current permanent magnet motor of intelligent washing machine |
| CN105862338A (en) * | 2016-06-27 | 2016-08-17 | 张七龙 | Lead weight type auxiliary balance device for spin dryer of washing machine |
| CN105862337A (en) * | 2016-06-27 | 2016-08-17 | 张七龙 | Method for manufacturing lead weight type auxiliary balance device for spin dryer of washing machine |
| CN109605391A (en) * | 2018-12-28 | 2019-04-12 | 前沿驱动（北京）技术有限公司 | A kind of actuator, mechanical trunk and robot |
| CN113839538A (en) * | 2021-09-29 | 2021-12-24 | 东莞市吉铼升电机股份有限公司 | Brushless motor of rotating robot |
-
2012
- 2012-01-06 CN CN2012200042585U patent/CN202475209U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095003A (en) * | 2012-12-14 | 2013-05-08 | 泰信电机(苏州)有限公司 | Injection-molding magnetic round rotor device for washing machine variable frequency motor and manufacture method |
| CN105048705A (en) * | 2015-08-06 | 2015-11-11 | 佛山市威灵洗涤电机制造有限公司 | Motor and washing machine with same |
| CN105671871A (en) * | 2016-03-25 | 2016-06-15 | 深圳市锐钜科技有限公司 | Control method, control system and control device for brushless direct current permanent magnet motor of intelligent washing machine |
| CN105671871B (en) * | 2016-03-25 | 2019-03-19 | 深圳市锐钜科技有限公司 | Control method, system and the device of intelligent washing machine brushless direct current permanent magnet motor |
| CN105862338A (en) * | 2016-06-27 | 2016-08-17 | 张七龙 | Lead weight type auxiliary balance device for spin dryer of washing machine |
| CN105862337A (en) * | 2016-06-27 | 2016-08-17 | 张七龙 | Method for manufacturing lead weight type auxiliary balance device for spin dryer of washing machine |
| CN109605391A (en) * | 2018-12-28 | 2019-04-12 | 前沿驱动（北京）技术有限公司 | A kind of actuator, mechanical trunk and robot |
| CN113839538A (en) * | 2021-09-29 | 2021-12-24 | 东莞市吉铼升电机股份有限公司 | Brushless motor of rotating robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160106 Address after: 518000 Guangdong, Guangming District, Gongming, Shenzhen street, South Ring Road, A District, No. 51, building 1 Patentee after: SHENZHEN AEROSPACE MOTOR SYSTEM CO., LTD. Address before: 518000 research building of space micro motor factory building, Fifth Industrial Zone, North Ring Road, Shenzhen, Guangdong, Nanshan District Patentee before: Shenzhen Aerospace Micro-Electric Machine Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |