CN201159195Y - Self-luminous cooling fan - Google Patents
Self-luminous cooling fan Download PDFInfo
- Publication number
- CN201159195Y CN201159195Y CNU2008200022405U CN200820002240U CN201159195Y CN 201159195 Y CN201159195 Y CN 201159195Y CN U2008200022405 U CNU2008200022405 U CN U2008200022405U CN 200820002240 U CN200820002240 U CN 200820002240U CN 201159195 Y CN201159195 Y CN 201159195Y
- Authority
- CN
- China
- Prior art keywords
- circuit board
- magnetic pole
- impeller
- rotating shaft
- magnet ring
- 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
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- 238000001816 cooling Methods 0.000 title abstract 2
- 230000005855 radiation Effects 0.000 claims description 32
- 241000883990 Flabellum Species 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
A self-luminous cooling fan comprises a casing unit, a stator unit and a rotor unit. The casing unit comprises a fixing base, a shaft tube and a casing cover. The stator unit comprises a first circuit board, a sensing element, a first magnetic pole and a second magnet ring. The rotor unit comprises a rotating shat, a second magnetic pole, an impeller, a second circuit board and a plurality of light-emitting components. By utilizing the second magnetic pole arranged on the rotating shaft and the second magnet ring arranged on the top of the shaft tube to generate induced electromotive force, and further to provide with electric current required by the light-emitting components for emitting light, not only center-of-gravity shift of the impeller can be effectively avoided and stable rotation without swinging can be maintained, but also troubles of complicated manufacturing process and difficult assembly caused by necessarily arranging additional wiring channels can be avoided.
Description
[technical field]
The utility model relates to a kind of radiation fan, particularly relate to a kind of can self luminous radiation fan.
[background technique]
Consult Fig. 1,2, general radiation fan 1 comprises a framework 11, to be located at stator 12 on this framework 11, one and to be hubbed at the rotor 13 on this framework 11, a conductive unit 14, and an illuminating part 15 of being located on this rotor 13.
This radiation fan 1 mainly is to utilize the electric current of this first circuit board 112 to be passed to this first and second conducting block 143,144 via this two brush 145 after the energising running.This first conducting block 143 sees through this metal material rotating shaft 131, second circuit board 132, first lead, 133 delivered currents again to this illuminating part 15,144 of this second conducting blocks see through these second lead, 134 delivered currents to this illuminating part 15, and are luminous so that the both positive and negative polarity of this illuminating part 15 constitutes a current loop.
Yet, this radiation fan 1 by this conductive unit 14 cooperate this first, two leads 133,134, make this illuminating part 15 luminous, and this first, two leads 133,134 need an end to be electrically connected the illuminating part 15 that is arranged on this rotor 13, the other end then need be extended through this rotor 13 and this hollow shape rotating shaft 131 respectively, be electrically connected this second circuit board 132 and this second conducting block 144 respectively, its design must additionally on this framework 11, offer for this first, two leads 133,134 passages that place, its distribution is comparatively difficult, and still must additionally increase for example tenon seat 141, insulation base 142, first, two conducting blocks 143,144, and member such as brush 145, make this radiation fan 1 make the comparatively loaded down with trivial details inconvenience that seems in moulding and the assembling.
Consult Fig. 3, another kind of radiation fan that can be luminous, be to utilize between flabellum 16 and fan seat 17 to be provided with generator set 18, and can be when flabellum 16 rotations, driving the iron core 181 that is sheathed on this wheel hub 172 synchronously rotates, the magnet frame of being located on this central siphon 171 with corresponding fixed cover 182 is interacted, make this iron core 181 produce an inverse electromotive force, further to provide this display lamp 180 required power supply; Though the radiation fan that this can be luminous can effectively solve aforementioned another known radiation fan 1 distribution and the difficult problem of assembling, but, because this iron core 181 and this fixed block 19 that is used for fixing this magnet frame 182 must be set on this wheel hub 172 and this central siphon 171 respectively and must closely cooperate, cause this wheel hub 172 and this central siphon 171 to be squeezed and produce distortion, make the centrad skew of the rotating shaft 183 of this fan relatively, cause the flabellum 16 of the radiation fan that this can be luminous can produce jiggly beat situation when rotated; Moreover this magnet frame 182 must additionally use this fixed block 19 to be fixed again, not only increases the assembling of its part, and the reduction of fan volume also can be limited to.
[model utility content]
More steadily be difficult for taking place beat when the purpose of this utility model is to provide a kind of rotation, and need not increase extra accessory when making and make assembling more fast can self luminous radiation fan.
For achieving the above object, the utility model can self luminous radiation fan, comprises an outer cover unit, a stator unit, and a rotor unit.
This outer cover unit comprises a fixed base, a hollow shape central siphon that is convexly set on this fixed base, and the cap that can be covered on this fixed base.
This stator unit comprises that one is arranged at first circuit board on this fixed base, one and is located on this central siphon outside and first magnetic pole that is electrically connected with this first circuit board, second magnet ring that is arranged at this central siphon top, reaches a sense cell that is electrically connected with this first circuit board.
This rotor unit comprises a rotating shaft that is hubbed at rotationally in this central siphon, one be arranged in this rotating shaft and with second magnetic pole of second magnet ring top that is positioned at this stator unit, an impeller that makes up with this rotating shaft, a second circuit board that is arranged at this impeller surface and is electrically connected with this second magnetic pole, and several are arranged on this second circuit board and the light-emitting component that is electrically connected with this second circuit board, wherein, this impeller has a wheel hub, the flabellum that several extend to external radiation from the outer circumferential face of this wheel hub, and first magnet ring that is located on this wheel hub inner peripheral surface, and the sense cell of this stator unit is first magnet ring of contiguous this impeller.
Effect of the present utility model is, when rotating, this impeller produces induction electromotive force by second magnetic pole that is arranged in this rotating shaft with second magnet ring that is arranged at this central siphon top, and then provide described light-emitting component luminous required electric current, not only can effectively avoid the centrad skew of this rotating shaft, stablize rotation and make this impeller keep not beat ground, more can remove from and additionally offer the distribution passage and cause the puzzlement that manufacture process is complicated and assembling is difficult for.
[description of drawings]
Fig. 1 is a sectional view, and general radiation fan is described.
Fig. 2 is a local amplification view, the aspect of the conductive unit that aid illustration is shown in Figure 1.
Fig. 3 is a sectional view, and another kind of existing radiation fan that can be luminous is described.
Fig. 4 is a three-dimensional exploded view, and the preferred embodiment that the utility model can self luminous radiation fan is described.
Fig. 5 is a sectional view, aid illustration interelement shown in Figure 4 in conjunction with after aspect.
[embodiment]
Below by preferred embodiment and accompanying drawing the utility model can be elaborated by self luminous radiation fan.
Consult Fig. 4,5, the preferred embodiment that the utility model can self luminous radiation fan comprises an outer cover unit 2, a stator unit 3, and a rotor unit 4.
This outer cover unit 2 comprises that a fixed base 21, is convexly set in the hollow shape central siphon 22 on this fixed base 21, and a cap 23 that can be covered on this fixed base 21; Wherein, this fixed base 21 has an outer seat 211, and one with this outer seat 211 inner base frame 212 separately, and be formed with several holes 213 between this outer seat 211 and this inner base frame 212; This cap 23 has an outer cover 231, and one with this outer cover 231 interior lid 232 separately, and this outer cover 231 with should in be formed with several between the lid 232 and covered holes 233.
This stator unit 3 comprises that a first circuit board 31, that is arranged on the inner base frame 212 of this fixed base 21 is arranged at first magnetic pole 33 that the sense cell 32, on this first circuit board 31 is located on these central siphon 22 outsides and is electrically connected with this first circuit board 31, and second magnet ring 34 that is arranged at these central siphon 22 tops.
This rotor unit 4 comprises that one is hubbed at the rotating shaft 40 in this central siphon 22 rotationally, one is arranged in this rotating shaft 40 and is positioned at second magnetic pole 41 of second magnet ring, 34 tops of this stator unit 3, one impeller 42 that combines with this rotating shaft 40, one second circuit board 43 that is arranged at these impeller 42 surfaces and is electrically connected with this second magnetic pole 41, and several are arranged on this second circuit board 43 and the light-emitting component 44 that is electrically connected with this second circuit board 43, wherein, this impeller 42 has a wheel hub 421, the flabellum 422 that several extend to external radiation from the outer circumferential face of this wheel hub 421, and first magnet ring 423 that is located on these wheel hub 421 inner peripheral surfaces.
This second magnetic pole 41 has an insulating part that generally is hollow columnar and stretches through for this rotating shaft 40 411, a coil 412 that is set around on this insulating part 411, and two silicon steel plates 413 that are sheathed on these coil 412 relative both sides.
This second circuit board 43 has a portion that is provided with 431 that is arranged at the end face of this wheel hub 421, and several are provided with portion's 431 outward extending extension parts 432 from this, and described light-emitting component 44 is to be arranged on the corresponding extension part 432, in this preferred embodiment, described light-emitting component 44 is light emitting diode (Light Emitting Diode, LED), can certainly be the light-emitting component that other can be luminous, should not exceed with present embodiment.
When this can be self luminous during the radiation fan action, first magnetic pole 33 of this stator unit 3 produces alternating magnetic field after via these first circuit board 31 energization excitations, making this first magnetic pole 33 and this first magnet ring 423 drive this impeller 42 because of magnetic force repels each other rotates, and, magnetic when this sense cell 32 can be detected these first magnet ring, 423 rotations changes, and the magnetic field signal is passed to the alternating magnetic field of first circuit board 31 with this first magnetic pole 33 of conversion, continue to rotate to drive this impeller 42.
Because second magnetic pole 41 of this rotor unit 4 is arranged in this rotating shaft 40 and rotates synchronously with this rotating shaft 40, second magnet ring 34 that makes this second magnetic pole 41 and this stator unit 3 produces induction electromotive force because of the mutual variation effect of magnetic, and then the generation electric current conducts on this second circuit board 43, rotate this impeller 42 and can make the luminous purpose of described light-emitting component 44 simultaneously in order to provide the light-emitting component that is arranged on this extension part 432 44 required electric weight, to reach.
As shown in the above description, the utility model can self luminous radiation fan and general radiation fan in comparison, really have the place that following effect is promoted, as described below:
1. rotational stability is good and be difficult for beat
By this second magnetic pole 41 is directly to be sheathed in this rotating shaft 40, but not general as shown in Figure 3 radiation fan is to be sheathed on the wheel hub 172, so the utility model can replace as shown in Figure 3 iron core 181 and must fit be fixed on mode on this wheel hub 172, and can avoid wheel hub 421 of the present utility model to be subjected to these second magnetic pole, 41 extrusion-deformations to cause the situation of this rotating shaft 40 centrads skew to produce, simultaneously, utilizing this second magnet ring 34 is directly to be arranged at this central siphon 22 end faces, but not sheathed this central siphon 22 peripheries that are squeezed in, so the fixed block 19 that more can overcome as shown in Figure 3 is fixed in these central siphon 171 peripheries and pushes this central siphon 171 because of being nested with, and then cause rotating shaft 183 centrads in this central siphon 171 to be offset, the situation of beat when being rotated, takes place in this rotating shaft 183, so the utility model can more steadily be difficult for beat by self luminous radiation fan when rotating.
Accessory simple and assemble convenient
Because the utility model can not need to offer in addition the distribution passage by self luminous radiation fan again, and only need this second magnetic pole 41 is sheathed in this rotating shaft 40, and this second magnet ring 34 is arranged at these central siphon 22 end faces can finishes overall package, not only do not need general as shown in Figure 1 radiation fan to need extra tenon seat 141, insulation base 142, first and second conducting block 143,144 of increasing, and member such as brush 145, reduce the complicated property of making assembling, more can effectively reduce manufacture cost and promote packaging efficiency.
Conclude above-mentioned, the utility model can self luminous radiation fan, second magnetic pole 41 that utilization is arranged in this rotating shaft 40 produces induction electromotive force with second magnet ring 34 that is arranged at these central siphon 22 tops when this impeller 42 rotates, and then provide described light-emitting component 44 luminous required electric currents, not only can effectively avoid the centrad skew of this rotating shaft 40, stablize rotation and make this impeller 42 keep not beat ground, more can remove from and additionally offer the distribution passage and cause the puzzlement that manufacture process is complicated and assembling is difficult for, so can reach the purpose of this utility model really.
Claims (3)
- One kind can self luminous radiation fan, comprise an outer cover unit, a stator unit, and rotor unit, this outer cover unit comprises a fixed base, a hollow shape central siphon that is convexly set on this fixed base, and cap that can be covered on this fixed base, this stator unit comprises a first circuit board that is arranged on this fixed base, first magnetic pole that is located on this central siphon outside and is electrically connected with this first circuit board, and sense cell that is electrically connected with this first circuit board, this rotor unit comprises a rotating shaft that is hubbed at rotationally in this central siphon, an impeller that makes up with this rotating shaft, a second circuit board that is arranged at this impeller surface and is electrically connected with this second magnetic pole, and several are arranged on this second circuit board and the light-emitting component that is electrically connected with this second circuit board, wherein, this impeller has a wheel hub, the flabellum that several extend to external radiation from the outer circumferential face of this wheel hub, and first magnet ring that is located on this wheel hub inner peripheral surface, and the sense cell of this stator unit is first magnet ring of contiguous this impeller, it is characterized in that:This stator unit also comprises second magnet ring that is arranged at this central siphon top, and this rotor unit also comprise one be arranged in this rotating shaft and with second magnetic pole of second magnet ring top that is positioned at this stator unit.
- 2. according to claim 1 can self luminous radiation fan, it is characterized in that:This second magnetic pole has the insulating part, the coil that is set around on this insulating part that are hollow columnar and stretch through for this rotating shaft, and two silicon steel plates that are sheathed on these relative both sides of coil.
- 3. according to claim 1 can self luminous radiation fan, it is characterized in that:This second circuit board has a portion that is provided with that is arranged at the end face of this wheel hub, reach several and from this outward extending extension part of is set, and described light-emitting component is to be arranged on the corresponding extension part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200022405U CN201159195Y (en) | 2008-01-24 | 2008-01-24 | Self-luminous cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200022405U CN201159195Y (en) | 2008-01-24 | 2008-01-24 | Self-luminous cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201159195Y true CN201159195Y (en) | 2008-12-03 |
Family
ID=40109779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200022405U Expired - Fee Related CN201159195Y (en) | 2008-01-24 | 2008-01-24 | Self-luminous cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201159195Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842517A (en) * | 2017-11-10 | 2018-03-27 | 奇鋐科技股份有限公司 | Fan structure |
-
2008
- 2008-01-24 CN CNU2008200022405U patent/CN201159195Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842517A (en) * | 2017-11-10 | 2018-03-27 | 奇鋐科技股份有限公司 | Fan structure |
| CN107842517B (en) * | 2017-11-10 | 2020-01-07 | 奇鋐科技股份有限公司 | Fan structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20081203 Termination date: 20120124 |