CN103032371A - Heat radiation fan - Google Patents
Heat radiation fan Download PDFInfo
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- CN103032371A CN103032371A CN2011103479014A CN201110347901A CN103032371A CN 103032371 A CN103032371 A CN 103032371A CN 2011103479014 A CN2011103479014 A CN 2011103479014A CN 201110347901 A CN201110347901 A CN 201110347901A CN 103032371 A CN103032371 A CN 103032371A
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- flabellum
- radiation fan
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- wheel hub
- flow
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- 230000005855 radiation Effects 0.000 title claims description 83
- 241000883990 Flabellum Species 0.000 claims description 193
- 230000000694 effects Effects 0.000 abstract description 21
- 239000000428 dust Substances 0.000 abstract description 14
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a cooling fan which comprises a hub and a plurality of fan blades arranged on the outer edge of the hub respectively. At least one fan blade comprises a main fan blade and a first auxiliary fan blade, one end of the main fan blade is connected with the hub and is provided with a first side surface and a second side surface which are opposite. The first auxiliary fan blade is arranged on one side edge of the main fan blade along a first direction, and the first auxiliary fan blade and the first side face form a first angle and form a first opening. Therefore, the fan blades can generate air flow through the opening formed by the first auxiliary fan blade, the heat dissipation effect is enhanced, and the dust removal effect is achieved.
Description
[technical field]
The present invention is about a kind of radiation fan, particularly about a kind of radiation fan that produces the compact spiral air-flow of a plurality of rotations.
[background technique]
Therefore the phenomenon that can generate heat and cause usefulness to reduce during owing to the running of general electronic products or electrical assembly (such as central processing unit (CPU), single-chip etc.) is used and can be utilized radiation fan that the hot gas that electronic product or electrical assembly produce is given radiating and cooling.In addition, along with the progress of science and technology, function is more and more stronger, and volume is more and more less, and heat radiation has become essential outfit, otherwise can cause heating element to be burnt.
Traditionally, the radiation fan of electronic product or electrical assembly mainly is made of a wheel hub, a plurality of flabellum and a fan frame.Wherein, a plurality of flabellums are arranged at intervals at the outer rim of wheel hub, and radiation fan then is fixed on the radiator by the fan frame.When fan running, then wheel hub rotates and causes flabellum to be produced linear flow by start, and produces the effect that air-flow reaches heat radiation in the surface of radiator.
Yet, because the air-flow that known radiation fan produces is linear, only can produce the effect that air-flow reach heat radiation in the surface of radiator, therefore, the air-flow utilization ratio of fan is not high.
Moreover, in the air of general environment, usually be mingled with the existence of dust and foreign matter (such as suspended particle or small fine, soft fur etc.), therefore when fan rotates, then the air of carry under one's arms dust and foreign matter can be brought into electronic product and the electrical assembly of wish heat radiation, cause electronic product and the long-pending full dust of electrical assembly wanting to dispel the heat.
But, because the air-flow that radiation fan produces is linear, again owing to the obstruction on radiation fan body and the radiator structure, thereby the linear flow that can cause producing flows slowly stagnant, and cause the dust that is piled up in wherein to be discharged from, and then badly influence the radiating effect of radiation fan.
[summary of the invention]
In view of this, the invention provides a kind of radiation fan, cause its radiating effect to exist only in the air-flow of spreader surface thereby solve the linear flow of commonly using the radiation fan generation, cause the not high problem of air-flow utilization ratio.In addition, radiation fan provided by the present invention more can solve obstruction owing to known radiation fan and radiator and causes linear flow to flow stagnating being unfavorable for slowly the problem that dust is got rid of.
The disclosed radiation fan of the present invention, it comprises a wheel hub and a plurality of flabellum, a plurality of flabellums are arranged at respectively the wheel hub outer rim.At least one flabellum includes a main flabellum and one first secondary flabellum.One end of main flabellum is connected in wheel hub, and has the first relative side and the second side.The first secondary flabellum is arranged at a side of main flabellum along a first direction, and the first secondary flabellum and the first side press from both sides one first angle and form one first opening.
The disclosed radiation fan of the present invention also comprises a fan frame, has a containing space in the described fan frame, and described wheel hub and described flabellum are arranged in the described containing space.
The disclosed radiation fan of the present invention, wherein at least one described flabellum also comprises one second secondary flabellum, be arranged at the described side of described main flabellum along a second direction, the described second secondary flabellum is adjacent to the described first secondary flabellum, and the described second secondary flabellum and described the second side press from both sides one second angle, and form one second opening between the described second secondary flabellum and described the second side.
The disclosed radiation fan of the present invention, wherein at least one described flabellum also comprises a plurality of the described first secondary flabellums and a plurality of the described second secondary flabellum, wherein each described first secondary flabellum and each the described second secondary flabellum are crisscross arranged.
The disclosed radiation fan of the present invention, wherein the first secondary flabellum and the described second secondary flabellum articulate and are arranged at described main flabellum.
The disclosed radiation fan of the present invention, wherein the first secondary flabellum articulates and is arranged at described main flabellum.
The disclosed radiation fan of the present invention, wherein flabellum is formed in one.
The disclosed radiation fan of the present invention, wherein a plurality of flabellums arrange with the outer rim distribution that equi-angularly space is disposed at described wheel hub.
The disclosed radiation fan of the present invention, wherein the first secondary flabellum slightly bends towards described the first side.
The disclosed radiation fan of the present invention, when radiation fan rotates, it is the compact spiral air-flow of a plurality of rotations that the opening that sees through secondary flabellum is able to the flow perturbation of linearity, and then increases the volume of radiator contact air-flow, improves the radiating effect of radiation fan.And, utilize above-mentioned compact spiral air-flow more can effectively reach the effect of dedusting.
About feature of the present invention, implementation and effect, hereby cooperate graphicly to be described in detail as follows as most preferred embodiment.
[description of drawings]
Fig. 1 is the schematic perspective view of the radiation fan of first embodiment of the invention.
Fig. 2 A is the schematic perspective view of blade structure of the radiation fan of first embodiment of the invention.
Fig. 2 B is the floor map of blade structure of the radiation fan of first embodiment of the invention.
Fig. 3 is the illustrative view that radiation fan when running of first embodiment of the invention produces air-flow.
Fig. 4 is the schematic perspective view of the radiation fan of second embodiment of the invention.
Fig. 5 A is the schematic perspective view of blade structure of the radiation fan of second embodiment of the invention.
Fig. 5 B is the floor map of blade structure of the radiation fan of second embodiment of the invention.
Fig. 6 is the schematic perspective view of blade structure of the radiation fan of third embodiment of the invention.
Fig. 7 is the schematic perspective view of blade structure of the radiation fan of fourth embodiment of the invention.
Fig. 8 is the illustrative view that radiation fan when running of second embodiment of the invention produces air-flow.
Fig. 9 is the schematic perspective view of the radiating module of application one embodiment of the invention radiation fan.
Figure 10 is the side schematic view of radiating module shown in Figure 9.
Figure 11 is the schematic representation of the dustproof running of one embodiment of the invention radiation fan.
The primary clustering symbol description:
100 radiation fans, 110 wheel hubs
111 Fan axial centers, 120 flabellums
121 main flabellums
125 second secondary flabellums
131 wind inlets
135 containing spaces
153 second sides
301 first directions
311 first openings
200 radiators
400 radiating modules
501 first air-flows
510 little axle center
601 dusts
123 first secondary flabellums
130 fan frames
133 exhaust outlets
151 first sides
155 sides
303 second directions
313 second openings
201 fins
500 main radiating airflows
503 second air-flows
550 compact spiral air-flows
[embodiment]
Please refer to Fig. 1, the schematic perspective view of the radiation fan of first embodiment of the invention, wherein, the radiation fan 100 of present embodiment is made of a wheel hub 110, a plurality of flabellum 120 and a fan frame 130.Fan frame 130 has a wind inlet 131 and an exhaust outlet 133, and forms a containing space 135 between wind inlet 131 and exhaust outlet 133, and wheel hub 110 is arranged in the containing space 135 with 120 of flabellums.
A plurality of flabellums 120 are arranged at respectively wheel hub 110 outer rims.In present embodiment, a plurality of flabellums 120 are to be disposed at the outer rim distribution setting of wheel hub 110 with equi-angularly space, but are not limited with the disclosed embodiment of the present invention.Wherein, fan frame 130 and be electrically connected at a motor (not shown), therefore, radiation fan 100 can see through 110 rotations of motor drive hub, and then drives flabellum 120 rotations and the generation radiating airflow.
Then, please refer to schematic perspective view and the floor map of flabellum 120 structures of the first embodiment of the invention radiation fan 100 shown in Fig. 2 A and Fig. 2 B.At least one flabellum 120 includes a main flabellum 121 and one first secondary flabellum 123, and wherein an end of main flabellum 121 is connected in wheel hub 110, and has the first relative side 151 and the second side 153.
The first secondary flabellum 123 is arranged at a side 155 of main flabellum 121 along a first direction 301, and the first secondary flabellum 123 and the first side 151 folder one first angle θ 1 and form one first opening 311.It should be noted that at this first angle θ 1 can determine according to user's actual demand, be not limited to specific angle at this.
In present embodiment, flabellum 120 structure that is formed in one, and cut off to form the structure of main flabellum 121 and the first secondary flabellum 123 according to required size.In an embodiment, flabellum 120 more can be formed in one with wheel hub 110, according to required size each flabellum 120 is cut off to form again the structure of main flabellum 121 and the first secondary flabellum 123.Certainly, the first secondary flabellum 123 of embodiment that the present invention discloses also can adopt the pivot joint mode to be arranged at main flabellum 121, and this first secondary flabellum 123 can slightly bend towards this first side, is not limited with the disclosed form of present embodiment.
What this must illustrate be, although in the schematic representation of the present embodiment that Fig. 2 A draws, used first a secondary flabellum 123, but usually know the knowledgeable for having in related domain, should learn easily that the quantity of the first secondary flabellum 123 among the present invention can have some change according to user's actual demand, still do not break away from category of the present invention, therefore, can not be only limit category of the present invention with the quantity of the first secondary flabellum 123 among the be exposed in embodiment.
See also Fig. 3, produce the air-flow illustrative view during 100 running of first embodiment of the invention radiation fan, and please arrange in pairs or groups with reference to Fig. 2 A and Fig. 2 B.Because the first secondary flabellum 123 is arranged on the main flabellum 121 along first direction 301, and with the first side 151 folder one first angle θ 1 of main flabellum 121 and form one first opening 311.Therefore, drive the wheel hub 110 of radiation fan 100 when motor, and then drive flabellum 120 turns round along Fan axial center 111, then radiation fan 100 can produce a main radiating airflow 500 according to the direction of motor institute drive hub 110, and the sense of rotation of this main radiating airflow 500 then sense of rotation with wheel hub 110 is consistent.
When wheel hub 110 rotates flabellum 120,311 of the first openings produce corresponding to the localities of main flabellum 121 and dig wind (shown in the direction of arrow) and as forming one first air-flow 501, the first air-flow 501 just blows along the bearing of trend of main flabellum 121, and blows to 153 places, the second side by the first opening 311 from the position of the first side 151.
Please refer to Fig. 4, the schematic perspective view of the radiation fan of second embodiment of the invention, wherein, the radiation fan 100 of present embodiment is made of a wheel hub 110, a plurality of flabellum 120 and a fan frame 130.Fan frame 130 has a wind inlet 131 and an exhaust outlet 133, and forms a containing space 135 between wind inlet 131 and exhaust outlet 133, and wheel hub 110 is arranged in the containing space 135 with 120 of flabellums.
A plurality of flabellums 120 are arranged at respectively wheel hub 110 outer rims.In present embodiment, a plurality of flabellums 120 are to be disposed at the outer rim distribution setting of wheel hub 110 with equi-angularly space, but are not limited with the disclosed embodiment of the present invention.Wherein, fan frame 130 and be electrically connected at a motor (not shown), therefore, radiation fan 100 can see through 110 rotations of motor drive hub, and then drives flabellum 120 rotations and the generation radiating airflow.
Then, please refer to schematic perspective view and the floor map of flabellum 120 structures of the second embodiment of the invention radiation fan 100 shown in Fig. 5 A and Fig. 5 B.At least one flabellum 120 includes a main flabellum 121, one first secondary flabellum 123 and one second secondary flabellum 125, and wherein an end of main flabellum 121 is connected in wheel hub 110, and has the first relative side 151 and the second side 153.
The first secondary flabellum 123 is arranged at a side 155 of main flabellum 121 along a first direction 301, and the first secondary flabellum 123 and the first side 151 folder one first angle θ 1 and form one first opening 311.The second secondary flabellum 125 is arranged at the same side 155 of main flabellum 121 along a second direction 303, and is adjacent to the first secondary flabellum 123.And the second secondary flabellum 125 and the second side 153 folder one second angle θ 2 also form one second opening 313.
It should be noted that at this first angle θ 1 and the second angle θ 2 can determine according to user's actual demand, are not limited to specific angle at this.In addition, in an embodiment, the first angle θ 1 can be identical angle with the second angle θ 2; In another embodiment, the first angle θ 1 can be not identical angle with the second angle θ 2.
In present embodiment, flabellum 120 structure that is formed in one, and cut off to form the structure of main flabellum 121, the first secondary flabellum 123 and the second secondary flabellum 125 according to required size.In an embodiment, flabellum 120 more can be formed in one with wheel hub 110, according to required size each flabellum 120 is cut off to form again the structure of main flabellum 121, the first secondary flabellum 123 and the second secondary flabellum 125.
Please then consult Fig. 6, be the schematic perspective view of flabellum 120 structures of the radiation fan 100 of third embodiment of the invention.Wherein, first of present embodiment the secondary flabellum 123 and the second secondary flabellum 125 articulate and are arranged at main flabellum 121.In this embodiment, main flabellum 121 is made into saw tooth structure, utilizes the pivot joint mode to arrange the first secondary flabellum 123 and the second secondary flabellum 125 again and is fixed on the main flabellum 121, to form flabellum 120 structures of the disclosed radiation fan 100 of the present invention.In an embodiment, main flabellum 120 can be integrated formed structure with wheel hub 110, and recycling pivot joint mode is fixedly installed the first secondary flabellum 123 and the second secondary flabellum 125.
It should be noted that, usually know for the knowledgeable for having in related domain, any production method is to reach the structure of the disclosed main flabellum 121 of the present invention, the first secondary flabellum 123 and the second secondary flabellum 125, all should be covered by in the category of the present invention, and should only not limit to disclosed embodiment in the specification.
See also Fig. 7, shown in the schematic perspective view of flabellum 120 structures of the radiation fan 100 of fourth embodiment of the invention, wherein each flabellum 120 comprises a main flabellum 121, a plurality of first secondary flabellum 123 and a plurality of second secondary flabellum 125, each first secondary flabellum 123 is to be crisscross arranged with each second secondary flabellum 125, wherein main flabellum 121, the first secondary flabellum 123 and the structure of the second secondary flabellum 125 and the structural similarity of above-mentioned exposure then repeat no more.
What this must illustrate be, although in the schematic representation of the present embodiment that Fig. 7 draws, two the first secondary flabellums 123 and second a secondary flabellum 125 have been used, but usually know the knowledgeable for having in related domain, should learn easily that the first secondary flabellum 123 among the present invention and the quantity of the second secondary flabellum 125 can have some change according to user's actual demand, still do not break away from category of the present invention, therefore, can not be only limit category of the present invention with the quantity of the first secondary flabellum 123 and the second secondary flabellum 125 among the be exposed in embodiment.
See also Fig. 8, produce the air-flow illustrative view during 100 running of second embodiment of the invention radiation fan, and please arrange in pairs or groups with reference to Fig. 5 A and Fig. 5 B.Because the first secondary flabellum 123 is arranged on the main flabellum 121 along first direction 301, and press from both sides one first angle θ 1 and form one first opening 311 with the first side 151 of main flabellum 121, and the second secondary flabellum 125 is arranged on the main flabellum 121 along second direction 303, and press from both sides one second angle θ 2 and form one second opening 313 with the second side 153 of main flabellum 121, can learn that the first opening 311 and the second opening 313 corresponding to the opening of the bi-side of main flabellum 121, are a upward opening and under shed.
Therefore, drive the wheel hub 110 of radiation fan 100 when motor, and then drive flabellum 120 turns round along Fan axial center 111, then radiation fan 100 can produce a main radiating airflow 500 according to the direction of motor institute drive hub 110, and the sense of rotation of this main radiating airflow 500 then sense of rotation with wheel hub 110 is consistent.At this, because main flabellum 121 and first secondary flabellum 123 formed the first openings 311 are upward opening, main flabellum 121 and second secondary flabellum 125 formed the second openings 313 are under shed.
When wheel hub 110 rotates flabellum 120,311 of the first openings produce corresponding to the localities of main flabellum 121 and dig wind (shown in the direction of arrow) and as forming one first air-flow 501, and the second opening 313 also can be corresponding to the locality generation plane wind (shown in the direction of arrow) of main flabellum 121 as forming one second air-flow 503, the first air-flow 501 and the second air-flow 503 be just as along a virtual little axle center 510 rotations, thereby present the compact spiral air-flow 550 of rotation and as the effect as the tornado.
Because each flabellum 120 all has the structure of main flabellum 121, the first secondary flabellum 123 and the second secondary flabellum 125, therefore, when motor drives radiation fan 100 along Fan axial center 111 rotation, then can produce the effect of a plurality of compact spiral air-flows 550 that rotate along little axle center 510.
Should be noted at this, although in present embodiment, disclose the first opening 311 and be upward opening, and the second opening 313 is under shed, but usually knows for the knowledgeable for having in related domain, should learn easily that in the present invention another implement in aspect, the first opening 311 can be set to under shed, and the second opening 313 is set to upward opening, still can reach effect of the present invention, and is covered by in the category of the present invention.
Then, see also the schematic perspective view of the radiating module 400 of application embodiment of the invention radiation fan 100 shown in Figure 9, and the side schematic view of radiating module 400 shown in Figure 10.
As shown in the figure, radiating module 400 is by radiator 200 tops radiation fan 100 of the present invention to be set to be consisted of, and wherein radiator 200 has a plurality of fins that are arranged in parallel 201.Radiating module 400 can be arranged at any electrical assembly and electronic equipment that needs heat radiation, for example central processing unit (CPU) (CPU) and display card equipment, but not as limit.Yet, radiating module 400 is arranged at electrical assembly and electronic equipment is not focus technology of the present invention, but usually knows for the knowledgeable for having in related domain, should be and can think easily and and implement according to this enumeration in addition not.
Below describing is to describe with disclosed the second embodiment of the present invention, but is familiar with the personage of technique, also can adopt the aspect of the first embodiment of the present invention to be applied on the radiating module 400.After radiation fan 100 is driven, because the structural design of main flabellum 121, the first secondary flabellum 123 and the second secondary flabellum 125 of flabellum 120, thereby form the compact spiral air-flow 550 of a plurality of rotations.Therefore, the scope that the compact spiral air-flow 550 of these rotations can make the surface area of radiator 200 touch air-flow becomes large, and then takes away more heat, effectively increases the radiating effect of radiating module 400.
And, when the compact spiral air-flow 550 of these rotations is flowed through the Vertical direction of radiator 200, more because of its spiral status and so that in the move distance lengthening of Vertical direction, therefore, air-flow no longer only maintains on the surface of radiator 200, but go deep between each fin 201, and so that radiator 200 touches the volume of air-flow and becomes large, reach better radiating effect.
Moreover, because the volume of each compact spiral air-flow 550 is little, therefore, it is tightr that the distance that the fin that is arranged in parallel is 201 can design, still can not have influence on the channel of compact spiral air-flow 550, therefore, radiating module 200 can have larger heat diffusion area, and then reaches better radiating effect.
As mentioned above, the a plurality of first secondary flabellum 123 that has when radiation fan 100 and the quantity of the second secondary flabellum 125 are the more the time, then the corresponding rotation that produces compact spiral air-flow 550 quantity just the more, therefore, the areal extent of air-flow contact radiator 200 is just larger, and then reaches better radiating effect.
In addition, in one embodiment of the invention, more the first set in each flabellum 120 secondary flabellum 123 and the position of the second secondary flabellum 125 can there be a displacement difference, so that the position of the compact spiral air-flow 550 that each flabellum 120 produces is corresponding to each position in flabellum 120 length, to increase the surface area scope of air-flow contact radiator 200, reach better radiating effect.
Please then with reference to Figure 11, the schematic representation of the dustproof running of embodiment of the invention radiation fan 100, and please arrange in pairs or groups with reference to figure 9 and Figure 10.The radiator 200 of radiating module 400 has a plurality of fins that are arranged in parallel 201, when having dust or small foreign body in the external environment, between the fin 201 that is easy to that then dust 601 is piled up in and is arranged in parallel.
Because each flabellum 120 of radiation fan 100 all has the structure of main flabellum 121, the first secondary flabellum 123 and the second secondary flabellum 125, when radiation fan 100 running, then can produce the compact spiral air-flow 550 of a plurality of rotations, because between the fin 201 that these compact spiral air-flows 550 can deeply be arranged in parallel, and the friction area between increase and the dust 601 has larger power and takes away dust 601.
Wherein, these compact spiral air-flows 550 also can constantly rotate exchange between fin 201, to reach the dust 601 on the fin 201 in the agitation air, reach the effect of dedusting so that dust 601 is taken away.
Moreover, because these compact spiral air-flows 550 have revolving ability, therefore, the main radiating airflow 500 that dust in the external environment or foreign matter were produced by radiation fan 100 is carried secretly to radiator 200 surfaces or 201 of fins, also is not easy to be piled up between the fin 201.And these compact spiral air-flows 550 more can be removed the dust 601 that is attached to radiator 200 surfaces and 201 accumulations of fin effectively by its helicity, reach the effect of dedusting.
When disclosed each embodiment's of the invention described above radiation fan 100 rotates, seeing through the first secondary flabellum 123 is the compact spiral air-flow 550 of each rotation with the flow perturbation that the second secondary flabellum 125 is able to linearity, and then increase the volume that radiator 200 contacts air-flows, improve the radiating effect of radiation fan 100.Moreover, utilize above-mentioned compact spiral air-flow 550 more can effectively reach the effect of dedusting.
Although embodiments of the invention disclose as mentioned above; so be not to limit the present invention; anyly have the knack of related art techniques person; without departing from the spirit and scope of the present invention; such as according to the described shape of the present patent application scope, structure, feature and quantity when can doing a little change, therefore scope of patent protection of the present invention must be looked the appended claim person of defining of this specification and is as the criterion.
Claims (9)
1. a radiation fan is characterized in that, described radiation fan comprises:
One wheel hub; And
A plurality of flabellums are arranged at respectively described wheel hub outer rim, and wherein at least one described flabellum includes:
One main flabellum, the one end is connected in described wheel hub, and has one first relative side and one second side; And
One first secondary flabellum is arranged at a side of described main flabellum, and the described first secondary flabellum and described the first side press from both sides one first angle, and forms one first opening between the described first secondary flabellum and described the first side.
2. radiation fan according to claim 1 is characterized in that: also comprise a fan frame, have a containing space in the described fan frame, described wheel hub and described flabellum are arranged in the described containing space.
3. radiation fan according to claim 1, it is characterized in that: at least one described flabellum also comprises one second secondary flabellum, be arranged at the described side of described main flabellum along a second direction, the described second secondary flabellum is adjacent to the described first secondary flabellum, and the described second secondary flabellum and described the second side press from both sides one second angle, and form one second opening between the described second secondary flabellum and described the second side.
4. radiation fan according to claim 3, it is characterized in that: at least one described flabellum also comprises a plurality of the described first secondary flabellums and a plurality of the described second secondary flabellum, wherein each described first secondary flabellum and each the described second secondary flabellum are crisscross arranged.
5. radiation fan according to claim 3 is characterized in that: the described first secondary flabellum and the described second secondary flabellum articulate and are arranged at described main flabellum.
6. radiation fan according to claim 1 is characterized in that: the described first secondary flabellum articulates and is arranged at described main flabellum.
7. radiation fan according to claim 1, it is characterized in that: described flabellum is formed in one.
8. radiation fan according to claim 1 is characterized in that: the outer rim that described a plurality of flabellums are disposed at described wheel hub with equi-angularly space distributes and arranges.
9. radiation fan according to claim 1, it is characterized in that: the described first secondary flabellum slightly bends towards described the first side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100135986A TWI464325B (en) | 2011-10-05 | 2011-10-05 | Fan |
| TW100135986 | 2011-10-05 |
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| CN103032371A true CN103032371A (en) | 2013-04-10 |
| CN103032371B CN103032371B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110347901.4A Active CN103032371B (en) | 2011-10-05 | 2011-11-07 | Heat radiation fan |
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| TW (1) | TWI464325B (en) |
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| CN105697412A (en) * | 2016-01-27 | 2016-06-22 | 浙江理工大学 | Blade structure of centrifugal pump |
| WO2016197377A1 (en) * | 2015-06-11 | 2016-12-15 | 北京市鑫全盛商贸有限公司 | Heat dissipation fan |
| CN106990653A (en) * | 2016-01-20 | 2017-07-28 | 精工爱普生株式会社 | Optical devices, light supply apparatus and projecting apparatus |
| CN107781215A (en) * | 2016-08-25 | 2018-03-09 | 宏碁股份有限公司 | Blade module and fan applying same |
| CN111350692A (en) * | 2018-12-24 | 2020-06-30 | 宏碁股份有限公司 | Fan blade and fan |
| US11339796B2 (en) | 2018-12-07 | 2022-05-24 | Acer Incorporated | Fan |
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| CN207122440U (en) | 2017-09-04 | 2018-03-20 | 华硕电脑股份有限公司 | Centrifugal fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016197377A1 (en) * | 2015-06-11 | 2016-12-15 | 北京市鑫全盛商贸有限公司 | Heat dissipation fan |
| US10954958B2 (en) | 2015-06-11 | 2021-03-23 | Beijing Deepcool Industries Co., Ltd. | Heat dissipation fan |
| CN106990653A (en) * | 2016-01-20 | 2017-07-28 | 精工爱普生株式会社 | Optical devices, light supply apparatus and projecting apparatus |
| CN106990653B (en) * | 2016-01-20 | 2019-03-12 | 精工爱普生株式会社 | Optical devices, light supply apparatus and projector |
| CN105697412A (en) * | 2016-01-27 | 2016-06-22 | 浙江理工大学 | Blade structure of centrifugal pump |
| CN107781215A (en) * | 2016-08-25 | 2018-03-09 | 宏碁股份有限公司 | Blade module and fan applying same |
| CN107781215B (en) * | 2016-08-25 | 2019-12-31 | 宏碁股份有限公司 | Blade module and fan applying same |
| US11339796B2 (en) | 2018-12-07 | 2022-05-24 | Acer Incorporated | Fan |
| CN111350692A (en) * | 2018-12-24 | 2020-06-30 | 宏碁股份有限公司 | Fan blade and fan |
| CN111350692B (en) * | 2018-12-24 | 2022-04-19 | 宏碁股份有限公司 | Fan blade and fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103032371B (en) | 2017-04-12 |
| TW201315901A (en) | 2013-04-16 |
| TWI464325B (en) | 2014-12-11 |
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