CN2839661Y - Single-stator external pole type fan - Google Patents
Single-stator external pole type fan Download PDFInfo
- Publication number
- CN2839661Y CN2839661Y CN 200520105707 CN200520105707U CN2839661Y CN 2839661 Y CN2839661 Y CN 2839661Y CN 200520105707 CN200520105707 CN 200520105707 CN 200520105707 U CN200520105707 U CN 200520105707U CN 2839661 Y CN2839661 Y CN 2839661Y
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- China
- Prior art keywords
- rotor unit
- driver element
- wall
- framework
- pole type
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- Expired - Lifetime
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- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 241000883990 Flabellum Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
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Abstract
The utility model relates to a single-stator external pole type fan, which comprises a rotor unit, and a drive unit which can be separately connected with the rotor unit, wherein the rotor unit is provided with a fan wheel seat, a fan wheel arranged in the fan wheel seat and a supporting part arranged on one side of the fan wheel seat. The drive unit is provided with a frame body, and a connecting part which is arranged on the frame body and is capable of being correspondingly connected with the supporting part. After the connecting part of the drive unit is correspondingly connected with the supporting part of the rotor unit, the drive unit can drive the fan wheel of the rotor unit to rotate through the frame body. The utility model can make out a plurality of rotor units and drive units by a manufacture mode of job distribution, connecting parts of the drive units can be conveniently, quickly and correspondingly connected with supporting parts of the rotor units, and the fan is not limited to be manufactured by a single procedure; accordingly, the production efficiency of the single-stator external pole type fan of the utility model can be effectively improved.
Description
[technical field]
The utility model relates to a kind of fan, particularly relates to a kind of single stator external pole type fan.
[background technique]
Present electrical home appliances is a main flow with compact design direction all, but general appliance and electronic tends to produce high heat after long-time use.For taking away heat immediately, meet compact requirement again simultaneously, therefore, the external pole type fan just therefrom arises at the historic moment, and forms a kind of fan design trend of new kenel.
Consult Fig. 1 and Fig. 2, general single stator external pole type fan 1 includes a housing 11, and is located at rotor 12, a stator 13 in this housing 11 and a circuit board 14.
This housing 11 has an axle 111, and this rotor 12 has the flabellum 122 that the wheel hub of being located on this axle 111 121, most sheet are located at these wheel hub 121 outer rims, and a magnet ring 123 that is located on described flabellum 122 outer rims.This stator 13 forms with circuit board 14 and is electrically connected, and both all are arranged in this housing 11.When this stator 13 behind these circuit board 14 energization excitations, just can produce the magnetic mutual repulsion effects, and then flabellum 122 rotations of this rotor 12 of interlock with the magnet ring 123 of this rotor 12.General single stator external pole type fan 1 and innerpole fan difference are do not need to be stator 13 and circuit board 14 are contained in rotor 12 inside, and the ulking thickness of this rotor 12 is significantly reduced, and meet the lightening Design trend of fan.
General single stator external pole type fan 1 has only single stator 13, has not only greatly reduced the weight of whole fan, and can reduce fabricating cost again, makes single stator external pole type fan 1 be suitable for light and thin type appliance and electronic (for example notebook computer etc.).Yet, this stator 13 all is to be fixedly arranged on this housing 11 inside with circuit board 14, just can be subject to and can only manufacture fan by single flow process, and can't prepare out assembly combination mutually again behind several members, do not have the advantage that the division of labor is made, and be difficult to improve its manufacturing efficiency.
[model utility content]
The purpose of this utility model is for a kind of rotor unit and driver element that can prepare fan respectively is provided, with the single stator external pole type fan of enhancing productivity.
For achieving the above object, single stator external pole type fan of the present utility model, include a rotor unit, an and driver element that is connected with mutually with this rotor unit, this rotor unit has an impeller seat, and is located at impeller on this impeller seat, and a magnet ring that is located on this impeller periphery, and this driver element has a framework, and is located at magnetic pole, in this framework and is located at sense cell in this framework, and a circuit board that is electrically connected with this sense cell, it is characterized in that:
This driver element is connected with this rotor unit separably, and this rotor unit also has the carrier of being located at this impeller seat one side, this driver element also have be located on this framework and with the linking department of the corresponding joint of this carrier.Behind the corresponding joint of carrier of the joint of this driver element and this rotor unit, the magnetic pole of this driver element can see through this framework the magnet ring of this rotor unit is produced a magnetic repulsion, and then drive the rotation of this impeller, and this sense cell detects the magnetic variation of this magnet ring and the magnetic field signal is passed to this circuit board, and this impeller rotation of sustainable driving.
Effect of the present utility model is, can be simple, convenient and rapidly and the corresponding joint of carrier of this rotor unit by the joint of this driver element, so that this rotor unit and this driver element are assembled mutually, form the complete construction of a single stator external pole type fan, in addition, mode by division of labor manufacturing, preparing out a plurality of rotor units engages with mutual again assembling behind the driver element, do not manufacture fan and need not limit to, effectively improve the manufacturing efficiency of the utility model single stator external pole type fan by single flow process.
[description of drawings]
Below by preferred embodiment and accompanying drawing the utility model single stator external pole type fan is elaborated, in the accompanying drawing:
Fig. 1 is a plan view, and general single stator external pole type fan is described.
Fig. 2 is a side view, auxiliary general single stator external pole type fan shown in Figure 1.
Fig. 3 is a three-dimensional exploded view, and first preferred embodiment of the utility model single stator external pole type fan is described.
Fig. 4 is a three-dimensional exploded view, and second preferred embodiment of the utility model single stator external pole type fan is described.
Fig. 5 is a vertical view cutaway drawing, and the 3rd preferred embodiment of the utility model single stator external pole type fan is described.
[embodiment]
Before the utility model is described in detail, be noted that in the following description content similar elements is to represent with identical numbering.
Consult Fig. 3, first preferred embodiment of the utility model single stator external pole type fan includes a rotor unit 2, and a driver element 3 that is connected with this rotor unit 2 separably.
This rotor unit 2 has an impeller seat 21, and is located at the magnet ring 23 that impeller 22, on this impeller seat 21 is located on these impeller 22 peripheries, and a carrier 24 of being located at these impeller seat 21 1 sides.
This impeller seat 21 has one can supply the sheathed rotationally central siphon 211 of this impeller 22, and this impeller 22 has most blades 221, and 23 of this magnet rings are located on described blade 221 outer rims.This carrier 24 has two roofs 242 that connected these two sidewalls, 241 apical margins by the at interval outward extending sidewall 241, of these impeller seat 21 1 sides, and two caulking grooves of being located at respectively on this two sidewall 241 243, and this two sidewall 241 can be accepted space 244 around defining one with roof 242.
This driver element 3 has a framework 31, to be located at magnetic poles 32, in this framework 31 and to be located at sense cell 33, a circuit board 34 that is electrically connected with this sense cell 33 in this framework 31, reaches a joint 35 of being located on this framework 31.In the present embodiment, this circuit board 34 is to see through a lead to be electrically connected with this sense cell 33.
This framework 31 has a basal wall 311, two respectively by the joined wall 312 of this basal wall equidirectional extension in 311 both sides, reach the fixed wall 313 of this basal wall 311 of a connection and this two joined wall 312, and the spacing of this two joined wall 312 is slightly less than the spacing of two sidewalls 241 of this carrier 24, so that this rotor unit 2 is when engaging in correspondence with each other with driver element 3, this framework 31 be positioned at this carrier 24 accept space 244.This magnetic pole 32, sense cell 33 all are arranged on this basal wall 311 with circuit board 34, and this joint 35 has two shackle member 351 in two caulking grooves 243 of being located on this two joined wall 312 and can correspondingly respectively being engaged in this carrier 24 respectively.In the present embodiment, each shackle member 351 is all a shell fragment.
When desiring this rotor unit 2 is engaged one another with driver element 3, be slightly less than the spacing of two sidewalls 241 of this carrier 24 because of the spacing of the joined wall 312 of this framework 31, therefore, this two joined wall 312 can touch this two sidewall 241 of top respectively, so that this framework 31 moves in accepting in the space 244 of this carrier 24, and be located at the compressing that shackle member 351 on this two joined wall 312 can be subjected to two sidewalls 241 respectively, the elastic restoring force that makes each shackle member 351 produce deformation and accumulate one anti-deformation, when this framework 31 continues to move, when this two shackle member 351 lays respectively at corresponding caulking groove 243 on this two sidewall 241, this two shackle member 351 can discharge the elastic restoring force of being accumulated automatically and reply aspect originally, and clip is engaged in the corresponding caulking groove 243, and makes this rotor unit 2 and driver element 3 corresponding joints.
When the single stator external pole type fan of present embodiment when turning round, the magnet ring 23 that the magnetic pole 32 of this driver element 3 can see through 31 pairs of these rotor units 2 of this framework produces a magnetic repulsion, and then drive 22 rotations of this impeller, and this sense cell 33 detects the magnetic variation of this magnet ring 23 and the magnetic field signal is passed to this circuit board 34, these impeller 22 rotations of sustainable driving.
Consult Fig. 4, second preferred embodiment of the utility model single stator external pole type fan is similar to this first preferred embodiment, includes a rotor unit 2 equally, and a driver element 3 that is connected with this rotor unit 2 separably.The framework 31 of this driver element 3 has a basal wall 311, two respectively by the joined wall 312 of this basal wall equidirectional extension in 311 both sides, and a fixed wall 313 that connects this basal wall 311 and two joined walls 312.Difference is to be: the carrier 24 of this rotor unit 2 has two and spaced apartly is located at lateral margin on this impeller seat 21, with two spaced apart fasten spots 245 of being located at these impeller seat 21 lower lip.This framework 31 also has the tegmental wall 314 of these two joined walls, 312 apical margins of connection.Be located on this basal wall 311 with two intervals and be located at connected member 352 on this tegmental wall 314 and the joint 35 of this driver element 3 has two intervals, and each connected member 352 respectively correspondence be sticked in this four fasten spot 245.In the present embodiment, each connected member 352 is all a trip.
Be sticked in by each connected member 352 correspondence of the joint 35 of this driver element 3 in the fasten spot 245 of carrier 24 of this rotor unit 2, just can reach the purpose that this rotor unit 2 engages one another with driver element 3.
Consult Fig. 5, the 3rd preferred embodiment of the utility model single stator external pole type fan is similar to this first preferred embodiment, includes a rotor unit 2 equally, and a driver element 3 that is connected with this rotor unit 2 separably.Difference is to be: the carrier 24 of this rotor unit 2 has two perforation of being located at respectively on this two sidewall 241 246.The joint 35 of this driver element 3 then has two and is located at respectively on this two joined wall 312 and decides hole 353 corresponding to this two perforation 246.In the present embodiment, this two perforation 246 with decide hole 353 and be all the screw aspect.
When desiring this rotor unit 2 is engaged one another with driver element 3, can be by the perforation 246 of corresponding this carrier 24 that stretched through respectively of two screw pieces 354, and be screwed together in that this joint 35 is corresponding to be decided in the hole 353, and reach the purpose that this rotor unit 2 is engaged one another with driver element 3.
Conclude above-mentioned, single stator external pole type fan of the present utility model utilizes to prepare out the rotor unit 2 and driver element 3 that can engage in correspondence with each other, and by a simple, convenient and rapid engaging process, both are combined, to form the complete construction of a single stator external pole type fan.Not only can reach and reduce fan weight and the advantage of saving fabricating cost, and manufacture process originally can be improved to this rotor unit 2 and driver element 3 are separated making again.And the mode of utilizing the division of labor to make prepares out the member that a plurality of mutual collocation are assembled, can only be and need not be confined to single fan by single production procedure manufacturing, and mode is enhanced productivity whereby, so can reach the purpose of this utility model really.
Claims (4)
1. single stator external pole type fan, include a rotor unit, an and driver element that is connected with mutually with this rotor unit, this rotor unit has an impeller seat, and is located at impeller on this impeller seat, an and magnet ring that is located on this impeller periphery, this driver element has a framework, to be located at magnetic pole, in this framework and to be located at sense cell in this framework, and a circuit board that is electrically connected with this sense cell, it is characterized in that:
This driver element is connected with this rotor unit separably, and this rotor unit also has the carrier of being located at this impeller seat one side, this driver element also have be located on this framework and with the linking department of the corresponding joint of this carrier.
2. single stator external pole type fan as claimed in claim 1 is characterized in that:
The carrier of this rotor unit also has two by this outward extending sidewall in impeller seat interval, and two caulking grooves of being located at respectively on this two sidewall, and the framework of this driver element also has a basal wall, and two respectively by the joined wall of this equidirectional extension in basal wall both sides, and this joint also has two and is located on this two joined wall respectively and the corresponding respectively shackle member that is engaged in this two caulking groove.
3. single stator external pole type fan as claimed in claim 1 is characterized in that:
The carrier of this rotor unit also has two spaced apart last lateral margin and two spaced apart fasten spots of being located at the lower lip of this impeller seat of being located at this impeller seat, and the framework of this driver element also has a basal wall, two respectively by the joined wall of this equidirectional extension in basal wall both sides, and a tegmental wall that connects this two joined wall, and this linking department also has two intervals and is located on this basal wall and is located on this tegmental wall and the corresponding respectively connected member that is sticked in this four fasten spot with two intervals.
4. single stator external pole type fan as claimed in claim 1 is characterized in that:
The carrier of this rotor unit also has two by this outward extending sidewall in impeller seat interval, and two perforation of being located at respectively on this two sidewall, the framework of this driver element also has a basal wall, and two joined walls that extend by this basal wall both sides equidirectional respectively, be located at respectively on this two joined wall and biperforately decide the hole and this linking department also has two corresponding to this, by the perforation of corresponding this carrier that stretched through respectively of two screw pieces, and the correspondence that is screwed together in this joint decides the hole, so that this rotor unit engages one another with driver element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105707 CN2839661Y (en) | 2005-10-24 | 2005-10-24 | Single-stator external pole type fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105707 CN2839661Y (en) | 2005-10-24 | 2005-10-24 | Single-stator external pole type fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2839661Y true CN2839661Y (en) | 2006-11-22 |
Family
ID=37427645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520105707 Expired - Lifetime CN2839661Y (en) | 2005-10-24 | 2005-10-24 | Single-stator external pole type fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2839661Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041693A (en) * | 2015-07-10 | 2015-11-11 | 苏州佳世达电通有限公司 | Electronic device with fan |
| CN105673530A (en) * | 2015-12-30 | 2016-06-15 | 苏州佳世达电通有限公司 | Fan and electronic device |
-
2005
- 2005-10-24 CN CN 200520105707 patent/CN2839661Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041693A (en) * | 2015-07-10 | 2015-11-11 | 苏州佳世达电通有限公司 | Electronic device with fan |
| CN105673530A (en) * | 2015-12-30 | 2016-06-15 | 苏州佳世达电通有限公司 | Fan and electronic device |
| CN105673530B (en) * | 2015-12-30 | 2018-05-25 | 苏州佳世达电通有限公司 | Fan and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061122 |
|
| EXPY | Termination of patent right or utility model |