CN203326809U - Direct-current blower fan - Google Patents
Direct-current blower fan Download PDFInfo
- Publication number
- CN203326809U CN203326809U CN2013203046258U CN201320304625U CN203326809U CN 203326809 U CN203326809 U CN 203326809U CN 2013203046258 U CN2013203046258 U CN 2013203046258U CN 201320304625 U CN201320304625 U CN 201320304625U CN 203326809 U CN203326809 U CN 203326809U
- Authority
- CN
- China
- Prior art keywords
- stator
- rotor
- fan
- direct
- blower fan
- Prior art date
- 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
Links
Images
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A direct-current blower fan comprises a rotor (1), a stator (2), a driver, a Hall assembly, a circuit board assembly (5) and a housing (7). The stator (2) is arranged on the inner side of the rotor (1). Rotating blades (6) forming the rotor are arranged on the rotor (1). The driver, the stator (2), the rotor (1) and the circuit board assembly (5) are electrically connected with a power supply. The circuit board assembly (5) is meanwhile electrically connected with the Hall assembly, the stator (2) and the rotor (1). The direct-current blower fan is characterized in that stator punching sheets (3) forming the stator are arranged on the stator (2) of the direct-current blower fan; magnetic poles are arranged on the rotor (1); and N poles and S poles are alternately arranged. The direct-current blower fan prevents a starting dead point. By adopting more magnetic pole pairs, the direct-current blower fan has the rotating speed increased. Furthermore, the direct-current blower fan has the characteristics of wide application range, good market prospect and relatively great economic value and social value.
Description
Technical field
The utility model relates to structural design and the applied technical field of DC fan, and a kind of single-phase permanent brushless DC fan is provided especially.
Background technology
Therefore existing direct current machine adopts brush to carry out commutation more, has mechanical friction, has brought thus the shortcomings such as noise, spark, radio interference and life-span be short, adds the high and maintenance difficult of manufacturing cost.
People urgently wish to obtain the good DC fan of a kind of technique effect.
The utility model content
Order of the present utility model is to provide the good DC fan of a kind of technique effect.
A kind of DC fan described in the utility model comprises: power supply, rotor 1, stator 2, driver, Hall subassembly, circuit board assemblies 5, housing 7, axle 8, bearing 9, described housing 7 is brace foundations of whole DC fan, stator 2 is arranged in rotor 1 inboard, be furnished with the moving blade 6 that forms its part on rotor 1, driver, stator 2, rotor 1 and circuit board assemblies 5 are electrically connected to electric power generating composition, circuit board assemblies 5 while and Hall subassemblies, stator 2, rotor 1 forms electrical connection, describedly for the bearing 9 that carries out transition at stator 2 and 1 of rotor, be arranged on stator 2 inboards, the described axle 8 that plays the support rotor effect is parts of rotor 1, axle 8 is arranged on bearing, it is characterized in that: also be provided with the stator punching 3 that forms its part on described stator 2, stator winding 11 and winding skeleton 12, described winding is fastened on winding skeleton 12, and stator punching 3 specifically has 2, and Shang Xia 12 both sides to lay respectively at the winding skeleton, in prior art, the stator punching that stator punching is generally some laminates the formation stator core, and winding is wrapped on stator core, stator punching 3 described in the utility model, and the technique for coiling of winding is simple, can effectively reduce cost, saves time.
Be provided with magnetic pole on described rotor 1, and N level and S level alternative arrangement, the blade of described moving blade 6 is specially 5, size length * wide * height: 25mm * 25mm * 7mm.
The rated speed of described DC fan is 13000 rev/mins.
Described DC fan also is provided with fixed cover 10, and fixed cover 10 is arranged on stator 2 inboards.
The power supply that described DC fan is used is specially the power supply that output voltage is 5VDC.
Described DC fan is the single-phase permanent brushless DC fan, driver is the core components and parts in circuit board assemblies 5, its function is in the process of rotor, according to the position of rotor, the magnetic signal of permanent magnet is transformed into to the signal of telecommunication, this signal of telecommunication is controlled stator winding and is replaced positive and negative energising, the magnetic field that the generation cycle changes, produce the electromagnetic torque of constant direction under this magnetic field and rotor 1 magnetic field of permanent magnet interaction, thereby rotor 1 is rotated, rotor 1 drives moving blade 6 rotations and produces Air Flow, realizes the blower fan function.
The utility model has the advantages that: described DC fan has been avoided the startup dead point, by adopting more magnetic pole logarithm, increases the rotating speed of DC fan, applied range, and market prospects are good, have comparatively huge economic worth and social value.
The accompanying drawing explanation
Fig. 1 is the DC fan structure chart;
Fig. 2 is stator laminating structure figure;
Fig. 3 is the stator winding schematic diagram;
Fig. 4 is the moving blade structure chart;
Fig. 5 is stator winding and stator punching position view in stator punching.
Embodiment
Embodiment 1
The described a kind of DC fan of the present embodiment comprises: power supply, rotor 1, stator 2, driver, Hall subassembly, circuit board assemblies 5, housing 7, axle 8, bearing 9, described housing 7 is brace foundations of whole DC fan, stator 2 is arranged in rotor 1 inboard, be furnished with the moving blade 6 that forms its part on rotor 1, driver, stator 2, rotor 1 and circuit board assemblies 5 are electrically connected to electric power generating composition, circuit board assemblies 5 while and Hall subassemblies, stator 2, rotor 1 forms electrical connection, describedly for the bearing 9 that carries out transition at stator 2 and 1 of rotor, be arranged on stator 2 inboards, the described axle 8 that plays the support rotor effect is parts of rotor 1, axle 8 is arranged on bearing, it is characterized in that: also be provided with the stator punching 3 that forms its part on described stator 2, stator winding 11 and winding skeleton 12, described winding is fastened on winding skeleton 12, and stator punching 3 specifically has 2, and Shang Xia 12 both sides to lay respectively at the winding skeleton, in prior art, the stator punching that stator punching is generally some laminates the formation stator core, and winding is wrapped on stator core, the described stator punching 3 of the present embodiment, and the technique for coiling of winding is simple, can effectively reduce cost, saves time.
Be provided with magnetic pole on described rotor 1, and N level and S level alternative arrangement, the blade of described moving blade 6 is specially 5, size length * wide * height: 25mm * 25mm * 7mm.
The rated speed of described DC fan is 13000 rev/mins.
Described DC fan also is provided with fixed cover 10, and fixed cover 10 is arranged on stator 2 inboards.
The power supply that described DC fan is used is specially the power supply that output voltage is 5VDC.
Described DC fan is the single-phase permanent brushless DC fan, driver is the core components and parts in circuit board assemblies 5, its function is in the process of rotor, according to the position of rotor, the magnetic signal of permanent magnet is transformed into to the signal of telecommunication, this signal of telecommunication is controlled stator winding and is replaced positive and negative energising, the magnetic field that the generation cycle changes, produce the electromagnetic torque of constant direction under this magnetic field and rotor 1 magnetic field of permanent magnet interaction, thereby rotor 1 is rotated, rotor 1 drives moving blade 6 rotations and produces Air Flow, realizes the blower fan function.
The advantage of the present embodiment is: described DC fan has been avoided the startup dead point, by adopting more magnetic pole logarithm, increases the rotating speed of DC fan, applied range, and market prospects are good, have comparatively huge economic worth and social value.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and difference is:
8 magnetic poles are arranged on described rotor 1, the N utmost point and S utmost point alternative arrangement, and pass through the Heterogeneous Permutation of stator punching 3 on stator 2, also produce 8 magnetic poles when stator winding electrifying.
Claims (3)
1. a DC fan, comprising: power supply, rotor (1), stator (2), driver, Hall subassembly, circuit board assemblies (5), housing (7), axle (8), bearing (9), described housing (7) is the brace foundation of whole DC fan, stator (2) is arranged in rotor (1) inboard, be furnished with the moving blade (6) that forms its part on rotor (1), driver, stator (2), rotor (1) and circuit board assemblies (5) are electrically connected to electric power generating composition, circuit board assemblies (5) while and Hall subassembly, stator (2), rotor (1) forms electrical connection, described bearing (9) is arranged on stator (2) inboard, described axle (8) is the part of rotor (1), axle (8) is arranged on bearing, it is characterized in that: also be provided with the stator punching (3) that forms its part on described stator (2), stator winding (11) and winding skeleton (12), described winding is fastened upper at winding skeleton (12), and stator punching (3) specifically has 2, lays respectively at the upper and lower both sides of winding skeleton (12), described rotor is provided with magnetic pole on (1), and N level and S level alternative arrangement, and the blade of described moving blade (6) is specially 5, size length * wide * height: 25mm * 25mm * 7mm.
2. according to the described DC fan of claim 1, it is characterized in that: described DC fan also is provided with fixed cover (10), and fixed cover (10) is arranged on stator (2) inboard.
3. according to the described DC fan of claim 2, it is characterized in that: the power supply that described DC fan is used is specially the power supply that output voltage is 5VDC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203046258U CN203326809U (en) | 2013-05-29 | 2013-05-29 | Direct-current blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203046258U CN203326809U (en) | 2013-05-29 | 2013-05-29 | Direct-current blower fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203326809U true CN203326809U (en) | 2013-12-04 |
Family
ID=49666101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203046258U Expired - Fee Related CN203326809U (en) | 2013-05-29 | 2013-05-29 | Direct-current blower fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203326809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492631A (en) * | 2019-08-22 | 2019-11-22 | 沈阳兴华航空电器有限责任公司 | A kind of Wind Volume three-phase brushless DC fan |
-
2013
- 2013-05-29 CN CN2013203046258U patent/CN203326809U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492631A (en) * | 2019-08-22 | 2019-11-22 | 沈阳兴华航空电器有限责任公司 | A kind of Wind Volume three-phase brushless DC fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103219814B (en) | Asynchronous starting permanent magnet synchronous motor rotor based on permanent magnets with different residual magnetic densities | |
| CN101908809B (en) | Outer rotor brushless DC motor with stator magnetic circuit constructed based on modularized mode | |
| Liu et al. | A linear consequent pole stator permanent magnet vernier machine | |
| CN201608566U (en) | Stator core using elementary slot method for weakening clamping torque of permanent magnet motor | |
| CN202034833U (en) | Power generator | |
| CN203326809U (en) | Direct-current blower fan | |
| Liu et al. | Comparison of outer-rotor permanent magnet machines for in-wheel drives | |
| CN202268792U (en) | Permanent-magnetic brushless direct current motor | |
| CN203326808U (en) | Direct-current blower fan | |
| CN203180692U (en) | Full electric vehicle drive motor assembly | |
| CN202076916U (en) | Permanent magnet direct current brushless motor used for electric vehicles | |
| CN2829207Y (en) | Rare earth permanent starting generator | |
| CN103618391B (en) | A kind of permanent magnet brushless electromotor of ten pole 12 grooves | |
| CN203537181U (en) | Combination type magnetic pole permanent magnet generator for automobile | |
| CN202889152U (en) | Single-phase alternating-current permanent magnet motor | |
| CN203774911U (en) | 12-pole squirrel-cage-free full-iron-core permanent-magnet submersible motor special for screw pump | |
| CN201378759Y (en) | Stator permanent-magnet type motor of lower geared slot positioning force moment | |
| CN202565059U (en) | Permanent magnet direct-current drive motor winding applied to vehicle | |
| CN204013163U (en) | Ceiling fan DC brushless motor | |
| CN105207386A (en) | DC motor for pure electric vehicle | |
| CN203308743U (en) | Direct-current fan | |
| CN204652063U (en) | New Type of Direct-current Machine | |
| CN202679202U (en) | Energy saving shockproof permanent magnetism brushless DC motor | |
| CN102868277A (en) | Single-phase alternating-current permanent magnet motor | |
| CN101488678A (en) | Method for reducing positioning torque of stator permanent magnetic type electric machine based on rotor auxiliary slot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20150529 |
|
| EXPY | Termination of patent right or utility model |