CN102882342A - Rare earth permanent magnet brushless direct current motor - Google Patents
Rare earth permanent magnet brushless direct current motor Download PDFInfo
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- CN102882342A CN102882342A CN 201110201867 CN201110201867A CN102882342A CN 102882342 A CN102882342 A CN 102882342A CN 201110201867 CN201110201867 CN 201110201867 CN 201110201867 A CN201110201867 A CN 201110201867A CN 102882342 A CN102882342 A CN 102882342A
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- rotating shaft
- bearing
- rare earth
- rotor
- earth permanent
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Abstract
The invention relates to the technical field of motors, in particular to a rare earth permanent magnet brushless direct current motor. The rare earth permanent magnet brushless direct current motor comprises a rotating shaft, a front end cover, a screw, an adjusting gasket, bearings, a stator component, a rotor component, a sensor rotor, a rear end cover and a sensor stator, wherein two ends of the rotating shaft are provided with the front end cover and the rear end cover; a bearing is arranged in the front end cover; the rotor component is arranged on the rotating shaft; the stator component is arranged on the rotor component; the sensor rotor is arranged on the rotating shaft; a bearing is arranged in the rear end cover; and the sensor stator is arranged on the bearing. The rare earth permanent magnet brushless direct current motor has a simple structure, a rotor core is optimized, the efficiency of the motor is greatly improved, the service life of the motor is prolonged, and electromagnetic interference is eliminated.
Description
Technical field
The present invention relates to a kind of DC motor, relate in particular to a kind of rare earth permanent magnetic brushless dc motor.
Background technology
The basic comprising of rare earth permanent magnetic brushless dc motor comprises motor body, controller and rotor-position sensor three parts.Motor great majority existing and that Moped Scooter is supporting are brush DC motors, comprise armature unshakable in one's determination, the types such as non iron-core Wire-wound disc type armature and printing armature winding.The common defects of brush DC motors is that the commutation of motor is to use the relative fricting movement of brush and commutator to realize, easily causes frictional noise and spark, thereby has reduced delivery efficiency and the useful life of motor, also can produce electromagnetic interference simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is: the common defects of brush DC motors is that the commutation of motor is to use the relative fricting movement of brush and commutator to realize, easily cause frictional noise and spark, thereby delivery efficiency and the useful life of motor have been reduced, also can produce electromagnetic interference simultaneously, a kind of rare earth permanent magnetic brushless dc motor is provided.
In order to overcome the defective that exists in the background technology, the technical solution adopted for the present invention to solve the technical problems is: the present invention includes rotating shaft, front end housing, screw, adjustment pad, bearing, stator module, rotor assembly, rotor sensor, rear end cap and sensor stator, described rotating shaft two ends are provided with front end housing and rear end cap, be provided with bearing in the described front end housing, described rotating shaft is provided with rotor assembly, described stator module places on the rotor assembly, described rotating shaft is provided with rotor sensor, be provided with bearing in the described rear end cap, described bearing is provided with sensor stator.
According to another embodiment of the invention, comprise that further described bearing is provided with the adjustment pad.
The invention has the beneficial effects as follows: of the present invention simple in structure, and optimized rotor core, and greatly improved the efficient of motor, prolonged the useful life of motor, side by side except electromagnetic interference.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention;
Wherein: 1, rotating shaft, 2, front end housing, 3, screw, 4, adjust pad, 5, bearing, 6, stator module, 7, rotor assembly, 8, rotor sensor, 9, rear end cap, 10, sensor stator.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Fig. 1 is structural representation of the present invention, comprise rotating shaft 1, front end housing 2, screw 3 among the figure, adjust pad 4, bearing 5, stator module 6, rotor assembly 7, rotor sensor 8, rear end cap 9 and sensor stator 10, described rotating shaft 1 two ends are provided with front end housing 2 and rear end cap 9, be provided with bearing 5 in the described front end housing 2, described rotating shaft 1 is provided with rotor assembly 7, described stator module 6 places on the rotor assembly 7, described rotating shaft 1 is provided with rotor sensor 8, be provided with bearing 5 in the described rear end cap 9, described bearing 5 is provided with sensor stator 10.
Described bearing 5 is provided with adjusts pad 4.
Of the present invention simple in structure, and optimized rotor core, greatly improved the efficient of motor, prolonged the useful life of motor, side by side except electromagnetic interference.
Claims (2)
1. rare earth permanent magnetic brushless dc motor, comprise rotating shaft (1), front end housing (2), screw (3), adjust pad (4), bearing (5), stator module (6), rotor assembly (7), rotor sensor (8), rear end cap (9) and sensor stator (10), it is characterized in that: described rotating shaft (1) two ends are provided with front end housing (2) and rear end cap (9), be provided with bearing (5) in the described front end housing (2), described rotating shaft (1) is provided with rotor assembly (7), described stator module (6) places on the rotor assembly (7), described rotating shaft (1) is provided with rotor sensor (8), be provided with bearing (5) in the described rear end cap (9), described bearing (5) is provided with sensor stator (10).
2. rare earth permanent magnetic brushless dc motor as claimed in claim 1 is characterized in that: described bearing (5) is provided with adjusts pad (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110201867 CN102882342A (en) | 2011-07-11 | 2011-07-11 | Rare earth permanent magnet brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110201867 CN102882342A (en) | 2011-07-11 | 2011-07-11 | Rare earth permanent magnet brushless direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102882342A true CN102882342A (en) | 2013-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110201867 Pending CN102882342A (en) | 2011-07-11 | 2011-07-11 | Rare earth permanent magnet brushless direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102882342A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832790A (en) * | 2018-07-17 | 2018-11-16 | 武汉麦迪嘉机电科技有限公司 | Rotor iron-free permasyn morot |
| CN112242778A (en) * | 2020-09-25 | 2021-01-19 | 中车永济电机有限公司 | High-power high-speed magnetic suspension permanent magnet motor |
-
2011
- 2011-07-11 CN CN 201110201867 patent/CN102882342A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832790A (en) * | 2018-07-17 | 2018-11-16 | 武汉麦迪嘉机电科技有限公司 | Rotor iron-free permasyn morot |
| CN112242778A (en) * | 2020-09-25 | 2021-01-19 | 中车永济电机有限公司 | High-power high-speed magnetic suspension permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130116 |