CN201774427U - Brushless motor with outer rotor for soy milk grinder - Google Patents
Brushless motor with outer rotor for soy milk grinder Download PDFInfo
- Publication number
- CN201774427U CN201774427U CN2010202690723U CN201020269072U CN201774427U CN 201774427 U CN201774427 U CN 201774427U CN 2010202690723 U CN2010202690723 U CN 2010202690723U CN 201020269072 U CN201020269072 U CN 201020269072U CN 201774427 U CN201774427 U CN 201774427U
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- fixed
- outer rotor
- stator
- bean milk
- soy bean
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- Expired - Lifetime
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Abstract
The utility model relates to a brushless motor with an outer rotor for a soy milk grinder. The brushless motor is mounted on a soy milk grinder head, and comprises a stator component, the outer rotor with a permanent magnet, a mounting plate, a seal ring, a blade and the like, wherein the outer rotor adopts a cup-shaped structure, and is fixed on a rotating shaft; the rotating shaft is fixedly mounted on a stator base through two bearings, and can be driven by the outer rotor to rotate; the rotating shaft extends into the soy milk grinder from the soy milk grinder head; the blade is fixed on the shaft head at the output end of the rotating shaft; the stator base is fixed on the mounting plate through a plurality of screws; the seal ring is arranged between the rotating shaft and the mounting plate; and a damping rubber mat is arranged between the mounting plate and the stator base. When the motor is electrified, a revolving magnetic field is generated inside a stator core to drive the outer rotor to rotate. The utility model has the advantages that the motor weight is light, the power density and the efficiency are high, the power consumption is low, the service life is long, and the size is small. During the whole using process of the soy milk grinder, no dust waste can be generated, so that the requirement on sanitary use of the soy milk grinder of families can be met.
Description
Technical field
The utility model relates to machine field, relates in particular to a kind of outer rotor brushless motor of soy bean milk making machine.
Background technology
What existing soy bean milk making machine was generally used is to exchange series excited machine, series excited machine mainly is made up of stator, rotor, end cap, brush holder, brush, stator is made up of stator core, winding, rotor is made up of rotor core, axle, armature winding and commutator, because structure compositing characteristic, this class motor Heavy Weight, the power consumption height, temperature rise, the life-span is short, seals the easy short circuit of bad motor, and in the use because the wearing and tearing of brush, can produce the dust refuse,, certain deficiency be arranged for the soy bean milk making machine in the household electrical appliance.
The utility model content
Main purpose of the present utility model is to propose a kind of in light weight, little power consumption, the life-span is long and does not produce the soy bean milk making machine outer rotor brushless motor of carbon dust.
The utility model proposes a kind of soy bean milk making machine outer rotor brushless motor, be installed on the mounting panel of soy bean milk making machine head, comprise stator module, external rotor, blade, brushless electric machine driver element, described external rotor is a cup-shaped, the cup inner chamber is cylindrical, inner surface is fixed with permanent magnet, and the pivot place of described external rotor is fixed with rotating shaft;
Described stator module comprises: center stator base with holes, be fixed on stator armature on the stator base, be fixed on the bearing in the stator base centre bore;
The dead eye of described bearing is passed in the rotating shaft of described external rotor, and by described bearing, described external rotor is fixed on the described stator module, be fixed on outside the described stator armature described external rotor is unsettled, and center rotation around the shaft;
Described stator base is fixed on the described mounting panel;
The output of described rotating shaft stretches out from the stator module center, and is fixed with described blade;
Described motor be connected be used to drive this motor carry out rotate, stop, described brushless electric machine driver element that speed governing is moved.
Preferably, described soy bean milk making machine outer rotor brushless motor also comprises the angular transducer that is used to detect the external rotor anglec of rotation, is fixed on the described stator module, and described angular transducer is connected with the brushless electric machine driver element.
Preferably, described permanent magnet is an annular permanent magnet, is fixed on external rotor cylindrical cavity surface.
Preferably, described permanent magnet is the arc thin slice, and described external rotor cylindrical cavity surface is fixed with the described permanent magnet of multi-disc.
Preferably, be provided with the damping rubber cushion between described mounting panel and the stator base.
Preferably, described mounting panel is connected by some screws with stator base.
Preferably, be provided with sealing ring between described mounting panel and the rotating shaft, described sealing ring fixes to clamp by stator base and motor mounting plate.
Preferably, also comprise nut, described blade is fixedly mounted on described roller end by nut.
This brushless external rotor motor that is installed on the soy bean milk making machine head that the utility model proposes has following advantage compared to existing technology:
1, motor is in light weight, the power density height, and the motor weight of equal-wattage is less than 1/3 of series excited machine;
2, efficient height, little power consumption is compared existing series excited machine power saving and is surpassed 50%;
3, the life-span long, compare existing series excited machine, the life-span can prolong significantly;
4, in the whole use of soy bean milk making machine, can not produce any dust refuse, improved the sanitary condition of soy bean milk making machine.
Description of drawings
Fig. 1 is the utility model soy bean milk making machine outer rotor brushless motor one example structure profile;
Fig. 2 is the utility model soy bean milk making machine outer rotor brushless motor one embodiment China and foreign countries rotor component construction profiles;
Fig. 3 is a stator module section of structure among the utility model soy bean milk making machine outer rotor brushless motor one embodiment;
Fig. 4 is that the another kind of stator base and the mounting panel of the utility model soy bean milk making machine outer rotor brushless motor one example structure installed profile;
Fig. 5 is another example structure schematic diagram of the utility model soy bean milk making machine outer rotor brushless motor;
Fig. 6 is A-A directional profile figure among another embodiment of soy bean milk making machine outer rotor brushless motor shown in Figure 5;
Fig. 7 is B-B directional profile figure among another embodiment of soy bean milk making machine outer rotor brushless motor shown in Figure 5;
Fig. 8 is motor, angular transducer and a driver element circuit connection structure schematic diagram among another embodiment of the utility model soy bean milk making machine outer rotor brushless motor.
Embodiment
In order to make the technical solution of the utility model clearer, clear, be described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, the utility model one embodiment proposes a kind of soy bean milk making machine outer rotor brushless motor, is installed on the mounting panel 5 of soy bean milk making machine head, comprises external rotor assembly 8 and is installed on the interior stator module 7 of external rotor assembly.
As shown in Figure 2, external rotor assembly 8 comprises external rotor 803, permanent magnet 802 and rotating shaft 801, and wherein, external rotor 803 is a cup-shaped, and the cup inner chamber is cylindrical, and inner surface is fixed with permanent magnet 802, and rotating shaft 803 upper ends are fixed on the pivot place of external rotor 803.
As shown in Figure 3, stator module 7 comprises: stator base 701, be set in the stator core 702 outside stator base 701 upper ends and be wrapped in armature winding 703 on the stator core 702; Stator core 702 and armature winding 703 are called stator armature.Stator base 701 is provided with centre bore.
As shown in Figure 1, stator base 701 bottoms are fixed on the mounting panel 5, and stator core 702 is provided with centre bore, and stator core 702 wears and is fixed on outside stator base 701 upper ends and with permanent magnet 802 and is oppositely arranged.Leave the gap between stator core 702 and the external rotor 803.
Be provided with bearing 6 in the centre bore of stator base 701, rotating shaft 801 is fixed on the stator base 701 by the bearing 6 at stator base 701 two ends, thereby external rotor 803 is fixed on the stator base 701, and with external rotor 803 unsettled being fixed on outside the stator armature, and the radial displacement of restriction external rotor 803, make external rotor 803 801 centers rotation around the shaft.
In the present embodiment, the rotating shaft 801 on the external rotor 803 is stretched in the soy bean milk making machine cup from the soy bean milk making machine head, and blade 2 is installed in rotating shaft 801 lower ends, and blade 2 usefulness nuts 1 are fixed on rotating shaft 801 ends (spindle nose).When electrical power, between stator core 702 and external rotor 803, produce rotating magnetic field and drive external rotor 803 rotations, external rotor 803 drives blades 2 by rotating shaft 801 and rotates.
In the present embodiment, be provided with sealing ring 3 between rotating shaft 801 and the motor mounting plate 5, and by being fixedly clamped of stator base 701 and mounting panel 5, closely cooperate between sealing ring 3 and the rotating shaft 801, confined liquid enters motor, but do not limit the slip rotation of rotating shaft 801, do not corroded when having guaranteed machine operation by soya-bean milk.
As Fig. 1 and shown in Figure 7, in the present embodiment, permanent magnet 802 is an annular permanent magnet, is fixed on external rotor 803 cylindrical cavity surfaces.Further, external rotor 803 adopts multistage magnet ring, and more reliable, dynamic balancing is also better.As shown in Figure 6, in another embodiment, permanent magnet 802 also can be the arc thin slice, thus, is fixed with the permanent magnet 802 of the above-mentioned arc thin slice of multi-disc on external rotor 803 cylindrical cavity surfaces.
In the present embodiment, be provided with damping rubber cushion 9 between mounting panel 5 and the stator base 701, in order to reduce the vibrations and the noise of soy bean milk making machine; Mounting panel 5 is connected by some screws 4 with stator base 701.The method that mounting panel 5 and stator base 701 are fixedlyed connected by screw 4 in the present embodiment can for: screw 4 is screwed on the stator base 701, as shown in Figure 1 after passing mounting panel 5, damping rubber cushion 9 successively.
As shown in Figure 4, mounting panel 5 is fixedlyed connected by screw 4 with stator base 701 can also be another installation method, and screw 4 is screwed on the motor mounting plate 5 after passing stator base 701, damping rubber cushion 9 successively.
Present embodiment soy bean milk making machine outer rotor brushless motor be connected be used for driving this motor carry out rotate, stop, (figure does not mark for brushless electric machine driver element that speed governing is moved, can be with reference to shown in Figure 8), this brushless electric machine is powered by the brushless electric machine driver element, and by the brushless electric machine drive unit drives.
In the foregoing description, the soy bean milk making machine outer rotor brushless motor that is made of external rotor assembly and stator module is a kind of non sensor brushless motor.Because brushless electric machine is positioned at soy bean milk making machine cup top, and machine shaft stretches in the soy bean milk making machine cup, and temperature is very high during work, and the brushless electric machine inside of no transducer does not have electronic component, makes that machine operation is more reliable under the hot environment.
As shown in Figure 5 and Figure 8, another embodiment of the utility model proposes a kind of soy bean milk making machine outer rotor brushless motor, on the basis of the foregoing description, present embodiment soy bean milk making machine outer rotor brushless motor also comprises the angular transducer 11 that is arranged in the motor and is connected with motor circuit plate 10, and this angular transducer is used to detect external rotor 803 anglecs of rotation.
As shown in Figure 8, in the present embodiment, motor 13 and angular transducer 11 are connected with brushless electric machine driver element 12 respectively, brushless electric machine driver element 12 be used to drive this motor 13 carry out rotate, stop, speed governing moves, motor 13 and angular transducer 11 are powered by the brushless electric machine driver element, and by the brushless electric machine drive unit drives.
The interchange series excited machine that the soy bean milk making machine of prior art is used, because its design feature makes this class motor Heavy Weight, the power consumption height, the life-span is short, and can produce the carbon dust dust in the use.This outer rotor brushless motor that the utility model proposes, the power density height is under equal-wattage, the weight of outer rotor brushless motor is less than 1/3 of series excited machine, and low noise, the efficient height, little power consumption, economize electric weight and surpass 50%, series excited machine compared to existing technology, its life-span can prolong significantly, and, in whole use, can not produce any dust refuse in the soy bean milk making machine head of installation motor, improved the sanitary condition of soy bean milk making machine.Its reasonable in design, easy installation and reliable.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (8)
1. a soy bean milk making machine outer rotor brushless motor is installed on the mounting panel of soy bean milk making machine head, comprises stator module, external rotor, blade, brushless electric machine driver element, it is characterized in that,
Described external rotor is a cup-shaped, and the cup inner chamber is cylindrical, and inner surface is fixed with permanent magnet, and the pivot place of described external rotor is fixed with rotating shaft;
Described stator module comprises: center stator base with holes, be fixed on stator armature on the stator base, be fixed on the bearing in the stator base centre bore, the dead eye of described bearing is passed in the rotating shaft of described external rotor, and by described bearing, described external rotor is fixed on the described stator module, be fixed on outside the described stator armature described external rotor is unsettled, and center rotation around the shaft;
Described stator base is fixed on the described mounting panel;
The output of described rotating shaft stretches out from the stator module center, and is fixed with described blade;
Described motor be connected be used to drive this motor carry out rotate, stop, described brushless electric machine driver element that speed governing is moved.
2. soy bean milk making machine outer rotor brushless motor according to claim 1 is characterized in that, also comprises the angular transducer that is used to detect the external rotor anglec of rotation, is fixed on the described stator module, and described angular transducer is connected with the brushless electric machine driver element.
3. soy bean milk making machine outer rotor brushless motor according to claim 1 and 2 is characterized in that described permanent magnet is an annular permanent magnet, is fixed on external rotor cylindrical cavity surface.
4. soy bean milk making machine outer rotor brushless motor according to claim 1 and 2 is characterized in that, described permanent magnet is the arc thin slice, and described external rotor cylindrical cavity surface is fixed with the described permanent magnet of multi-disc.
5. soy bean milk making machine outer rotor brushless motor according to claim 1 and 2 is characterized in that, is provided with the damping rubber cushion between described mounting panel and the stator base.
6. soy bean milk making machine outer rotor brushless motor according to claim 5 is characterized in that, described mounting panel is connected by some screws with stator base.
7. soy bean milk making machine outer rotor brushless motor according to claim 6 is characterized in that, is provided with sealing ring between described mounting panel and the rotating shaft, and described sealing ring fixes to clamp by stator base and motor mounting plate.
8. soy bean milk making machine outer rotor brushless motor according to claim 7 is characterized in that, also comprises nut, and described blade is fixedly mounted on described roller end by nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202690723U CN201774427U (en) | 2010-07-23 | 2010-07-23 | Brushless motor with outer rotor for soy milk grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202690723U CN201774427U (en) | 2010-07-23 | 2010-07-23 | Brushless motor with outer rotor for soy milk grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201774427U true CN201774427U (en) | 2011-03-23 |
Family
ID=43754265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202690723U Expired - Lifetime CN201774427U (en) | 2010-07-23 | 2010-07-23 | Brushless motor with outer rotor for soy milk grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201774427U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599811A (en) * | 2012-01-15 | 2012-07-25 | 朱幕松 | Magnetic coupling water lubrication soybean milk maker without shaft seal |
| CN106026490A (en) * | 2016-05-17 | 2016-10-12 | 中山大洋电机股份有限公司 | An external rotor motor with damping rings being arranged axially at intervals and a fan load having same |
| CN114296231A (en) * | 2021-12-28 | 2022-04-08 | 谱诉光电科技（苏州）有限公司 | Dimming device and dimming method |
-
2010
- 2010-07-23 CN CN2010202690723U patent/CN201774427U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599811A (en) * | 2012-01-15 | 2012-07-25 | 朱幕松 | Magnetic coupling water lubrication soybean milk maker without shaft seal |
| CN102599811B (en) * | 2012-01-15 | 2014-05-14 | 朱幕松 | Magnetic coupling water lubrication soybean milk maker without shaft seal |
| CN106026490A (en) * | 2016-05-17 | 2016-10-12 | 中山大洋电机股份有限公司 | An external rotor motor with damping rings being arranged axially at intervals and a fan load having same |
| WO2017197810A1 (en) * | 2016-05-17 | 2017-11-23 | 中山大洋电机股份有限公司 | Outer-rotor motor mounted using axial shock-absorbing ring, and fan load using same |
| CN106026490B (en) * | 2016-05-17 | 2018-04-06 | 中山大洋电机股份有限公司 | With the external rotor electric machine of axially spaced-apart shock absorbing ring installation and using its fans load |
| CN114296231A (en) * | 2021-12-28 | 2022-04-08 | 谱诉光电科技（苏州）有限公司 | Dimming device and dimming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN AEROSPACE MICRO-ELECTRIC MACHINE CO., LTD Free format text: FORMER OWNER: SHENZHEN HANGTIAN KEGONG MOTOR CO., LTD. Effective date: 20120203 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120203 Address after: 518057 research building of space micro motor factory building, Fifth Industrial Zone, North Ring Road, Shenzhen, Guangdong, Nanshan District Patentee after: Shenzhen Aerospace Micro-Electric Machine Co., Ltd. Address before: 518057, Baoan District, Guangdong, Gongming Province, Shenzhen new stone Wai fourth industrial zone Patentee before: Shenzhen Casic Motor Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151230 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: 518057 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 |
Granted publication date: 20110323 |
|
| CX01 | Expiry of patent term |