CN201733210U - Brushless DC (direct current) motor - Google Patents
Brushless DC (direct current) motor Download PDFInfo
- Publication number
- CN201733210U CN201733210U CN 200620005466 CN200620005466U CN201733210U CN 201733210 U CN201733210 U CN 201733210U CN 200620005466 CN200620005466 CN 200620005466 CN 200620005466 U CN200620005466 U CN 200620005466U CN 201733210 U CN201733210 U CN 201733210U
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- Prior art keywords
- armature winding
- stator
- dish
- rotor
- air gap
- Prior art date
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Abstract
A brushless DC (direct current) motor comprises a stator, a rotor and a shell, wherein, the stator is formed by a disc magnetizer and an armature winding, the armature winding is wound in the radial direction from the edge of the disc magnetizer to a center hole, the rotor is formed by two disc permanent magnets the like poles of which are oppositely placed at the two ends of the armature winding and fixed on a rotating shaft, and the shell made of magnetic conductive materials is connected with the stator, and then connected with the rotor through a bearing, thereby the opposite rotating DC motor is formed. The two disc permanent magnets form a work magnetic circuit air gap at the two ends of the stator armature and a non work magnetic circuit air gap at the two ends of the magnetic conductive shell. The electrical currents of coils on the same side of the armature winding are consistently towards the edge or the center hole.
Description
Affiliated technical field
The utility model relates to a kind of micromachine, particularly a kind of brshless DC motor.
Background technology
At present, the range of application of direct current machine is very extensive, but ubiquity to be needed to commutate, complex structure, reliability is lower, cost is higher, produce the defective of strong electromagnetic, and known brshless DC motor, be a kind of cover electronic commutating device that utilizes in fact, be not real direct current machine, but alternating current machine.
Summary of the invention
At the defective and the deficiency of prior art, the purpose of this utility model is to provide a kind of and need not to commutate, brushless, good reliability, simple in structure, cost is lower, the brshless DC motor of no electromagnetic interference.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of brshless DC motor comprises stator, rotor and shell composition.Stator is made up of dish-type magnetic conductor and armature winding, armature winding be through the edge of dish-type magnetic conductor to mesopore radially coiling form, rotor is by two dish-type permanent magnet homopolarity two ends at armature winding staggered relatively, and be fixed in the rotating shaft, shell is made by permeability magnetic material and is linked to each other with stator, link to each other with rotor by bearing again, constitute direct current machine in relative rotation.Two blocks of dish-type permanent magnets form the inoperative magnetic air gap at the two ends that the two ends of stator armature form work magnetic circuit air gap and magnetic conductive shell.The same side the direction of the winding current unanimity of all armature winding is to edge or mesopore.
The beneficial effects of the utility model are, compare with traditional direct current machine, have the commutation of need not, brushless, good reliability, simple in structure, advantages such as cost is lower, " zero " electromagnetic interference.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the utility model structural representation.
Fig. 2 is the A-A cut-away view of Fig. 1.
1. shells among the figure, 2. dish-type permanent magnet, 3. dish-type magnetic conductor, 4. armature winding, 5. work magnetic circuit air gap, 6. inoperative magnetic air gap, 7. bearing, 8. rotating shaft.
Embodiment
Fig. 1, embodiment illustrated in fig. 2 in, dish-type magnetic conductor (3) and armature winding (4) are fixed in the shell (1), two blocks of dish-type permanent magnets (2) are fixing by rotating shaft (8), the homopolarity two ends in armature winding (4) staggered relatively, by being connected of rotating shaft (8) and bearing (7), be fixed on the shell (1) again.Two blocks of dish-type permanent magnets (2) form inoperative magnetic air gap (6) at the two ends that the two ends of armature winding (4) form work magnetic circuit air gap (5) and magnetic conductive shell (1).When armature winding (4) passes through direct current, because the same side the direction of the winding current unanimity of all armature winding (4) is to edge or mesopore, so all armature winding (4) are under the action of a magnetic field of work magnetic circuit air gap (5), produce electromagnetic torque direction unanimity, making dish-type permanent magnet (2) is that center drive rotating shaft (8) is rotated in bearing (7) with rotating shaft (8).In like manner, rotate when outer motive power drags rotating shaft (8), dish-type permanent magnet (2) is rotated, armature winding (4) produces induced electromotive force under the action of a magnetic field of work magnetic circuit air gap (5), can be used as generator and use.
Claims (4)
1. brshless DC motor, comprise stator, rotor and shell composition, it is characterized in that: stator is made up of dish-type magnetic conductor and armature winding, rotor is by two dish-type permanent magnet homopolarity two ends at armature winding staggered relatively, and be fixed in the rotating shaft, shell is made by permeability magnetic material and is linked to each other with stator, links to each other with rotor by bearing again, and two blocks of dish-type permanent magnets form the inoperative magnetic air gap at the two ends that the two ends of stator armature winding form work magnetic circuit air gap and magnetic conductive shell.
2. brshless DC motor according to claim 1 is characterized in that: armature winding be through the edge of dish-type magnetic conductor to mesopore radially coiling form, the same side the direction of the winding current unanimity of all armature winding is to edge or mesopore.
3. brshless DC motor according to claim 1 is characterized in that: rotor is staggered relatively at the two ends of armature winding by two dish-type permanent magnet homopolarities, and is fixed in the rotating shaft.
4. brshless DC motor according to claim 1 is characterized in that: two blocks of dish-type permanent magnets form the inoperative magnetic air gap at the two ends that the two ends of stator armature winding form work magnetic circuit air gap and magnetic conductive shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620005466 CN201733210U (en) | 2006-02-08 | 2006-02-08 | Brushless DC (direct current) motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620005466 CN201733210U (en) | 2006-02-08 | 2006-02-08 | Brushless DC (direct current) motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201733210U true CN201733210U (en) | 2011-02-02 |
Family
ID=43524366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620005466 Expired - Fee Related CN201733210U (en) | 2006-02-08 | 2006-02-08 | Brushless DC (direct current) motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201733210U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761297A (en) * | 2011-04-25 | 2012-10-31 | 许光智 | Electromagnetic device applying homopolar opposite magnetic group |
| CN107294325A (en) * | 2017-06-28 | 2017-10-24 | 华中科技大学 | A kind of subregion stator disc type double salient-pole electric machine |
| WO2018188284A1 (en) * | 2017-04-13 | 2018-10-18 | 珠海三吉士健康科技有限公司 | Brushless alternating current oscillating micro-motor |
-
2006
- 2006-02-08 CN CN 200620005466 patent/CN201733210U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761297A (en) * | 2011-04-25 | 2012-10-31 | 许光智 | Electromagnetic device applying homopolar opposite magnetic group |
| WO2018188284A1 (en) * | 2017-04-13 | 2018-10-18 | 珠海三吉士健康科技有限公司 | Brushless alternating current oscillating micro-motor |
| CN107294325A (en) * | 2017-06-28 | 2017-10-24 | 华中科技大学 | A kind of subregion stator disc type double salient-pole electric machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Wei Gang Document name: Notification of authorisation and registration |
|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Wei Gang Document name: Deemed a waiver of a patent claim |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20110208 |