CN208797695U - Conveyer belt external rotor permanent magnet brushless motor - Google Patents
Conveyer belt external rotor permanent magnet brushless motor Download PDFInfo
- Publication number
- CN208797695U CN208797695U CN201821144181.5U CN201821144181U CN208797695U CN 208797695 U CN208797695 U CN 208797695U CN 201821144181 U CN201821144181 U CN 201821144181U CN 208797695 U CN208797695 U CN 208797695U
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- China
- Prior art keywords
- rotor
- permanent magnet
- core
- conveyer belt
- fixed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model relates to motor field, especially conveyer belt external rotor permanent magnet brushless motors.The brushless motor includes rotor case, rotor core, permanent magnet, stator core, bearing, armature winding and axis, rotor core is fixed in rotor case, permanent magnet is fixed in rotor core, axis is passed through and is fixed in stator core, stator core is placed in rotor core, bearing is equipped on axis, armature winding is installed in stator core, more than two permanent magnets are uniformly fixed on the rotor core inner wall, false pole is equipped between two adjacent permanent magnets, false extremely convex soft iron, the geomery of false pole is consistent with permanent magnet, the quantity of false pole is consistent with permanent magnet.The utility model is able to use the false pole of convex magma, to substitute half permanent magnet, reduces the cost of motor.Outer rotor number of poles is few, and interelectrode magnetic leakage is small, and electric efficiency is higher.
Description
Technical field
The utility model relates to motor field, especially conveyer belt external rotor permanent magnet brushless motors.
Background technique
Brshless DC motor is made of motor body and driver, is a kind of typical electromechanical integrated product.But it is existing
The permanent magnet higher cost of some brushless motors, and the interpolar leak source of outer rotor is relatively more.
Utility model content
In order to overcome existing brushless motor higher cost, and the deficiency of interpolar leak source, the utility model provide transmission
Band external rotor permanent magnet brushless motor.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of conveyer belt external rotor permanent magnet is brushless
Motor, including rotor case, rotor core, permanent magnet, stator core, bearing, armature winding and axis, rotor case outside is directly
Outside around conveyer belt, there is a decorative pattern made of annular knurl technique in inside, fixed rotor iron core on the inside of rotor case, is fixed in rotor core
Permanent magnet, axis are passed through and are fixed in stator core, and stator core is placed in rotor core, and bearing, stator iron are equipped on axis
Armature winding is installed in the heart；
It is uniformly fixed with more than two permanent magnets on the rotor core inner wall, is equipped between two adjacent permanent magnets
False pole, false extremely convex soft iron, the geomery of false pole is consistent with permanent magnet, and the quantity of false pole is consistent with permanent magnet；
The rotor core outer circumferential walls are equipped with more than four locating slots, filled with different non-of quality in locating slot
Magnetic conduction cementitious material.
It is 8 poles, stator core that another embodiment according to the present utility model, which further comprises the rotor core number of poles,
Slot number is 27 slots.
Another embodiment according to the present utility model further comprises that the stator core is welded by several stator punchings
It forms.
Another embodiment according to the present utility model further comprises that the thickness at the false pole both ends compares intermediate thin.
The utility model has the beneficial effects that the utility model is able to use the false pole of convex magma, to substitute half
Permanent magnet reduces the cost of motor.Outer rotor number of poles is few, and interelectrode magnetic leakage is small, and electric efficiency is higher.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the rotor core of the utility model；
1. rotor case in figure, 2. rotor cores, 3. permanent magnets, 4. stator cores, 5. bearings, 6. armatures around
Group, 7. axis, 8. false poles, 9. locating slots.
Specific embodiment
If Fig. 1 is the structural schematic diagram of the utility model, Fig. 2 is the structural schematic diagram of the rotor core of the utility model,
A kind of conveyer belt external rotor permanent magnet brushless motor, including rotor case 1, rotor core 2, permanent magnet 3, stator core 4, bearing
5, armature winding 6 and axis 7, the outside of rotor case 1 is directly outer around conveyer belt, and there is a decorative pattern made of annular knurl technique in inside, outside rotor
1 inside fixed rotor iron core 2 of shell is fixed with permanent magnet 3 in rotor core 2, and axis 7 is passed through and is fixed in stator core 4, stator
Iron core is placed in rotor core 2, and bearing 5 is equipped on axis 7, armature winding 6 is equipped in stator core 4；The rotor core 2
It is uniformly fixed with more than two permanent magnets 3 on inner wall, false pole 8 is equipped between two adjacent permanent magnets 3, false pole 8 is convex
Soft iron, the geomery and permanent magnet 3 of false pole 8 are consistent, and the quantity and permanent magnet 3 of false pole 8 are consistent；2 circumference of rotor core
Outer wall is equipped with more than four locating slots 9, and the different non-magnetic cementitious material of quality is filled in locating slot 9.Described turn
Sub- 2 number of poles of iron core is 8 poles, and 4 slot number of stator core is 27 slots.The stator core 4 is welded by several stator punchings.It is described
The thickness at false 8 both ends of pole compares intermediate thin.
As shown in Figure 1 and Figure 2, vacation pole 8 and permanent magnet 3 made of convex soft iron are alternatively arranged and are bonded in rotor core
Partner pole on 2, and the magnetic direction that all permanent magnet 3 generates is consistent, both facing on the inside of rotor or both facing on the outside of rotor,
Quantity, shape and size and the permanent magnet 3 of convex soft iron are consistent.
Rotor case 1 is directly contacted with conveyer belt, can be rotated around axis 7.
2 periphery of rotor core has multiple locating slots 9, and the circumferential inner surface of generator casing also has corresponding convex
Item, the raised line can just be embedded into the locating slot 9 of rotor core 2.
Claims (4)
1. a kind of conveyer belt external rotor permanent magnet brushless motor, including it is rotor case (1), rotor core (2), permanent magnet (3), fixed
Sub- iron core (4), bearing (5), armature winding (6) and axis (7), it is characterized in that: it is directly outer around conveyer belt on the outside of rotor case (1),
There is decorative pattern made of annular knurl technique in inside, fixed rotor iron core (2) on the inside of rotor case (1), is fixed with forever in rotor core (2)
Magnet (3), axis (7) are passed through and are fixed on stator core (4), and stator core is placed in rotor core (2), and axis is worn on (7)
Have bearing (5), armature winding (6) are installed in stator core (4)；
Uniformly be fixed with more than two permanent magnets (3) on rotor core (2) inner wall, two adjacent permanent magnets (3) it
Between be equipped with false pole (8), false pole (8) is convex soft iron, the geomery of false pole (8) and permanent magnet (3) unanimously, the number of false pole (8)
Amount is consistent with permanent magnet (3)；
Rotor core (2) outer circumferential walls are equipped with more than four locating slots (9), in locating slot (9) not filled with quality
Same non-magnetic cementitious material.
2. conveyer belt according to claim 1 external rotor permanent magnet brushless motor, characterized in that the rotor core (2)
Number of poles is 8 poles, and stator core (4) slot number is 27 slots.
3. conveyer belt according to claim 1 or 2 external rotor permanent magnet brushless motor, characterized in that the stator core
(4) it is welded by several stator punchings.
4. conveyer belt according to claim 1 external rotor permanent magnet brushless motor, characterized in that described vacation pole (8) both ends
Thickness compare intermediate thin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821144181.5U CN208797695U (en) | 2018-07-19 | 2018-07-19 | Conveyer belt external rotor permanent magnet brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821144181.5U CN208797695U (en) | 2018-07-19 | 2018-07-19 | Conveyer belt external rotor permanent magnet brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208797695U true CN208797695U (en) | 2019-04-26 |
Family
ID=66202614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821144181.5U Expired - Fee Related CN208797695U (en) | 2018-07-19 | 2018-07-19 | Conveyer belt external rotor permanent magnet brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208797695U (en) |
-
2018
- 2018-07-19 CN CN201821144181.5U patent/CN208797695U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 Termination date: 20200719 |