CN102465894B - Fan - Google Patents
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- Publication number
- CN102465894B CN102465894B CN201010536319.8A CN201010536319A CN102465894B CN 102465894 B CN102465894 B CN 102465894B CN 201010536319 A CN201010536319 A CN 201010536319A CN 102465894 B CN102465894 B CN 102465894B
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- Prior art keywords
- fan
- blade
- impeller
- wheel hub
- closure
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- Expired - Fee Related
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- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000191 radiation effect Effects 0.000 abstract 1
- 230000008676 import Effects 0.000 description 12
- 239000000758 substrate Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fan, which comprises a fan frame and a motor, wherein an accommodating space is formed inside the fan frame, in addition, the fan frame is provided with at least one side air inlet and at least one side air outlet communicated with the accommodating space, the motor is combined with the accommodating space of the fan frame and comprises a stator and a fan wheel, the fan wheel is rotatablely combined with the stator, the fan wheel is provided with a wheel hub and a plurality of blades, the wheel hub is provided with a top surface, each blade is respectively positioned on the top surface of the wheel hub, each blade respectively comprises a first end and a second end in the radial direction of the fan wheel, the first end and the second end are opposite, the first end of each blade is in outward arrangement, and a flow guide space is formed among the second ends of all blades. Therefore, the occurrence of the turbulent flow phenomenon is effectively prevented, and the heat radiation effect can also be improved.
Description
Technical field
The invention relates to a kind of fan, refer in particular to a kind of footpath at impeller upwards, the fan that can import and derive with radial direction for air-flow.
Background technique
Existing fan roughly comprises two kinds of axial flow fan and blast type fans.Wherein axial flow fan has respectively relative axial wind inlet and an Axial-running Out air port in the axial direction, to import air-flow via this axial wind inlet, then derives air-flow via this Axial-running Out air port, and then heat sinking function is provided; Again, blast type fan is to have in the axial direction an axial wind inlet, and has diametrically an exhaust outlet radially, to import air-flow via this axial wind inlet, then via this radially exhaust outlet lateral guide go out air-flow, and there is heat sinking function equally.
But, with axial flow fan, owing to only can dispelling the heat towards axial direction air-out by air-guiding, and cannot dispel the heat towards radial direction air-out by air-guiding; Therefore, in the time that axial flow fan is applied to various electronic product, must be assembled in the top (as the end face of the central processing unit (CPU) of PC) of thermal source, cause the axial height of this electronic product to reduce; Again, with blast type fan, although can via this radially exhaust outlet lateral guide go out air-flow, just still must utilize this axial wind inlet to import air-flow,, and be not suitable for the electronic product (as mobile phone or personal digital assistant etc.) that must import via side directions air-flow therefore.
For this reason, also there is on the market a kind of footpath at impeller upwards, can import and derive with radial direction the existing fan of air-flow, to be applicable to import via side directions the electronic product of air-flow.As shown in Figure 1, be No. 553323 " fan structure of advection " new patent case of TaiWan, China bulletin, this existing fan 8 comprises a shell block 81 and an impeller 82.This shell block 81 has at least one wind inlet 811 and at least one exhaust outlet 812, is provided with a horizontal gas flow passage 813 between this wind inlet 811 and exhaust outlet 812; This impeller 82 is arranged at this horizontal gas flow passage 813, and this impeller 82 has a wheel hub 821, and the outer circumferential face of this wheel hub 821 forms several blades 822; Whereby, in the time that this impeller 82 rotates, between this wind inlet 811 and exhaust outlet 812, produce gas pressure difference, so that produce convection current and dispel the heat along this horizontal gas flow passage 813 between this wind inlet 811 and exhaust outlet 812.
But, when the impeller 82 of this existing fan 8 is installed in this horizontal gas flow passage 813, when blade 822 air-guidings of this impeller 82 produce in the process of convection current along this horizontal gas flow passage 813, because the wheel hub 821 of this impeller 82 is also positioned at this horizontal gas flow passage 813, therefore, the air-flow that the blade 822 of this impeller 82 is guided will easily be subject to the obstruction of this wheel hub 821, and then produces flow-disturbing phenomenon, and reduces the integral heat sink effect of this existing fan 8.
Again, as shown in Figure 2, be No. 477492 " combined structure of blower fan " new patent case of TaiWan, China bulletin, this existing fan 9 comprises a rotator seat 91, an impeller 92 and a shell 93.This rotator seat 91 has several projections 911; This impeller 92 has several shrinkage pools 921, and this shrinkage pool 921 mutually combines with this projection 911; This shell 93 can supply accommodating this rotator seat 91 and impeller 92, and this shell 93 is provided with a wind inlet 931 and an exhaust outlet 932; Whereby, in the time that this impeller 92 rotates, can be directed into this shell 93 inside with radial direction via this wind inlet 931 by air-guiding equally, and derive air-flow to dispel the heat via this exhaust outlet 932.
But due to the air-flow path that rotator seat 91 and this impeller 92 of this existing fan 9 all form between this wind inlet 931 and exhaust outlet 932, therefore, the air-flow that this impeller 92 is guided is equally easily subject to the obstruction of this rotator seat 91, and produce flow-disturbing phenomenon; Moreover this impeller 92 must be assembled with this rotator seat 91 separately, the inconvenience that also causes assembling to use.
Summary of the invention
The invention provides a kind of fan, import and derive in the process of air-flow with radial direction at impeller, can effectively prevent that air-flow from being hindered, is its main goal of the invention.
The fan according to the present invention, comprises a fan frame and a motor.This fan frame is inner forms a containing space, and is provided with at least one side wind inlet and at least one side air-out mouth that are communicated with this containing space; This motor is incorporated into the containing space of this fan frame, this motor comprises a stator and an impeller, this impeller is rotatably in conjunction with this stator, this impeller is provided with a wheel hub and several blade, and this wheel hub has an end face, and respectively this blade lays respectively at the end face of this wheel hub, in the footpath of this impeller upwards, respectively this blade has respectively a relative first end and one second end, and respectively the first end of this blade arranges outwardly, respectively between the second end of this blade, forms a diversion space.
As mentioned above, pass in and out in the process of this fan frame via this side wind inlet and this side air-out mouth at this impeller air-guiding, extend and exceed respectively the end face of this wheel hub towards this closure by each blade of fan of the present invention, and the structural design such as this diversion space, can effectively prevent the generation of flow-disturbing phenomenon, to reach effect of improving radiating effect.
Brief description of the drawings
Fig. 1: the three-dimensional exploded view of existing the first fan.
Fig. 2: the three-dimensional exploded view of existing the second fan.
Fig. 3: the three-dimensional exploded view of the fan of first embodiment of the invention.
Fig. 4: the assembled sectional view of the fan of first embodiment of the invention.
Fig. 5: the three-dimensional exploded view of the fan of second embodiment of the invention.
Fig. 6: the assembled sectional view of the fan of second embodiment of the invention.
Primary component symbol description:
1 fan frame 1a carrier 1b closure 1c side wall portion
11 containing space 12 side wind inlet 13 side air-out mouth 2 motors
21 stator 22 impeller 221 wheel hub 221a substrates
221b ringwall 222 blade 222a first end 222b the second ends
223 end face 23 diversion spaces 3 are fanned frame 3a carrier
3b closure 3c side wall portion 31 containing space 32 side wind inlets
33 side air-out mouth 34 groove 4 motor 41 stators
42 impeller 421 wheel hub 421a substrate 421b ringwalls
422 blade 422a first end 422b the second end 423 end faces
43 diversion space 44 lateral channel 45 chassis 8 fans
81 shell block 811 wind inlet 812 exhaust outlet 813 horizontal gas flow passages
82 impeller 821 wheel hub 822 blade 9 fans
91 rotator seat 911 projection 92 impeller 921 shrinkage pools
93 shell 931 wind inlet 932 exhaust outlets
Embodiment
For above-mentioned and other object of the present invention, feature and advantage can be become apparent, preferred embodiment of the present invention cited below particularly, and coordinate accompanying drawing, be described in detail below:
Please refer to shown in Fig. 3 and 4, the fan of first embodiment of the invention comprises a fan frame 1 and a motor 2.This fan frame 1 is can be for air-flow with the mobile frame structure of radial direction; 2, this motor is incorporated into this fan frame 1 inside.
This fan frame 1 can be any can for this motor 2 accommodating and for air-flow with radial direction import and derive hollow frame structure.Wherein this fan frame 1 at least comprises a carrier 1a, a closure 1b and a 1c of side wall portion, and this carrier 1a is relative with this closure 1b interval, and the 1c of this side wall portion is between this carrier 1a and this closure 1b; Again, between this carrier 1a, closure 1b and the 1c of side wall portion, form a containing space 11, and the 1c of this side wall portion is provided with at least one side wind inlet 12 and at least one side air-out mouth 13, this at least one side wind inlet 12 and at least one side air-out mouth 13 these containing spaces 11 of connection.
In the present embodiment, this carrier 1a is a base, the 1c of this side wall portion extends axially and mutual several adjoining side wall from the lateral margin of this base, this closure 1b is a cover plate, this cover plate is incorporated into the apical margin (being main according to graphic direction) of this side wall, and between this cover plate and this base, form this containing space 11 (side wall is around this containing space 11), this side wind inlet 12 and side air-out mouth 13 are arranged at respectively this side wall and are communicated with this containing space 11; Wherein this side wind inlet 12 and side air-out mouth 13 can be arranged at respectively adjacent two side walls as shown in Figure 3, or also can be arranged at respectively relatively to two side walls.
This motor 2 is incorporated into this fan frame 1, and this motor 2 comprises a stator 21 and an impeller 22 (being rotor), and this stator 21 is in order to drive this impeller 22 to rotate start.This impeller 22 is provided with a wheel hub 221 and several blade 222, and this wheel hub 221 has an end face 223, and this end face 223 is towards this closure 1b; Respectively this blade 222 is in conjunction with this wheel hub 221, and in the axial direction of this impeller 22, respectively this blade 222 extends and exceed respectively the end face 223 of this wheel hub 221 towards this closure 1b.Again, in the footpath of this impeller 22 upwards, respectively this blade 222 has respectively a relative first end 222a and one second end 222b, wherein respectively the first end 222a of this blade 222, towards the 1c of this side wall portion, respectively forms a diversion space 23 (also respectively the second end 222b of this blade 222 is not-connected status) between the second end 222b of this blade 222.
In the present embodiment, the stator 21 of this motor 2 is the carrier 1a that are incorporated into this fan frame 1, the wheel hub 221 of this impeller 22 is rotatably in conjunction with this stator 21, wherein this wheel hub 221 is made up of a substrate 221a and a ringwall 221b, this end face 223 is positioned at this substrate 221a, and this ringwall 221b is around the outer periphery of this substrate 221a.Again, respectively this blade 222 is the end faces 223 that are incorporated into as shown in the figure this substrate 221a; Or this blade 222, except being incorporated into the end face 223 of this substrate 221a, also can partly extend to the outer circumferential face of this ringwall 221b; Moreover in the present embodiment, this blade 222 is end faces 223 that one is incorporated into this substrate 221a, to promote assembling convenience.
Fan of the present invention is in the time that reality is used, and the alternating magnetic field that the stator 21 of this motor 2 produces can be in order to drive this impeller 22 to rotate start; Whereby, when this fan can be installed in various electronic product, the blade 222 of this impeller 22 can import extraneous air-flow from this side wind inlet 12, to enter this fan frame 1 inside, export to extraneous space via this side air-out mouth 13 again, the thermal source being produced when for the running of various electronic product provides predetermined thermolysis.
The technical characteristics of fan of the present invention is: in the footpath of impeller 22 upwards, can import and derive air-flow via this side wind inlet 12 and this side air-out mouth 13 with radial direction, therefore, in the time that this fan is applied to various electronic product, need not be assembled in the top of thermal source, the axial height of this electronic product is minimized, and this fan also can provide the preferably auxiliary heat dissipation effect of thermal source being positioned at arround this side air-out mouth 13; Moreover, in the axial direction at this impeller 22, respectively this blade 222 extends and exceeds respectively the end face 223 of this wheel hub 221 towards this closure 1b, therefore, this impeller 22 smoothly air-guiding passes in and out to dispel the heat via this side wind inlet 12 and this side air-out mouth 13, to prevent that this wheel hub 221 from hindering the circulation of air-flow; The more important thing is, between the second end 222b due to each this blade 222, also form this diversion space 23, therefore, can guarantee that air-flow is difficult for producing flow-disturbing phenomenon in the process by each blade 222, to promote integral heat sink effect.
Please refer to shown in Fig. 5 and 6, is the fan that discloses second embodiment of the invention, and this fan comprises a fan frame 3 and a motor 4 equally.
The carrier 3a that the fan frame 3 of second embodiment of the invention and motor 4 disclose respectively, closure 3b, the 3c of side wall portion, containing space 31, side wind inlet 32, side air-out mouth 33, stator 41, impeller 42, wheel hub 421, substrate 421a, ringwall 421b, blade 422, first end 422a, the second end 422b, end face 423 and diversion space 43, the carrier 1a with the first embodiment, closure 1b, the 1c of side wall portion, containing space 11, side wind inlet 12, side air-out mouth 13, stator 21, impeller 22, wheel hub 221, substrate 221a, ringwall 221b, blade 222, first end 222a, the second end 222b, end face 223 and diversion space 23 are roughly the same, hold and do not repeat.
The carrier 3a that second embodiment of the invention discloses is similarly a base, the 3c of this side wall portion extends and mutual several adjoining side wall from the lateral margin of this base, this closure 3b is a cover plate, and the main difference of the fan of the present embodiment and the first embodiment's fan is only:
The central authorities of this carrier 3a are provided with a groove 34, and the wheel hub 421 of this motor 4 is placed in this groove 34; Again, between the end face 423 of this impeller 42 and this closure 3b, can separate out a lateral channel 44 in this containing space 31, respectively this blade 422 is positioned at this lateral channel 44, to guarantee that this lateral channel 44 only has blade 422, and this side wind inlet 32 and side air-out mouth 33 be arranged at respectively as shown in Figure 5 relatively to two side walls (3c of side wall portion); Wherein in the axial direction of this impeller 42, the open height h of this side wind inlet 32 and side air-out mouth 33 is between this closure 3b and the horizontal position of this end face 423, make this side wind inlet 32 and side air-out mouth 33 respectively to being positioned at blade 422 positions of this impeller 42, make this wheel hub 421 can relatively be positioned at the inner side of this two side wall (3c of side wall portion); Whereby, because this wheel hub 421 is positioned at outside this lateral channel 44, can guarantee that this lateral channel 44 only has blade 422, therefore, when this impeller 42 imports air-flow via this side wind inlet 32, this air-flow will more not be vulnerable to the obstruction of this wheel hub 421, with improving radiating effect further.
Again as shown in Figure 6, in the footpath of this impeller 42 upwards, respectively a first end 422a of this blade 422 also can radially extend and exceed this wheel hub 421 towards the 1c of this side wall portion, to increase overall wind dispelling area; Moreover in the time that respectively this blade 422 exceeds this wheel hub 421, respectively the root edge of this blade 422 (taking graphic as main) can further form a chassis 45, this chassis 45 is connected in this wheel hub 421, to increase the structural strength of blade 422, and can promote water conservancy diversion effect.
As mentioned above, in process at these impeller 22,42 air-guidings via this side wind inlet 12,32 and this side air-out mouth 13,33 these fan frames 1,3 of turnover, extend and exceed respectively the end face 223 of this wheel hub 221 towards this closure 1b, 3b by each blade 222,422 of fan of the present invention, and the structural design such as this diversion space 23,43, can effectively prevent the generation of flow-disturbing phenomenon, to reach effect of improving radiating effect.
Claims (11)
1. a fan, is characterized in that, comprises:
A fan frame, a containing space of inner formation, and be provided with at least one the side wind inlet and at least one the side air-out mouth that are communicated with this containing space; And
A motor, be incorporated into the containing space of this fan frame, this motor comprises a stator and an impeller, and this impeller is rotatably in conjunction with this stator, and this impeller is provided with a wheel hub and several blade, this wheel hub has an end face, respectively this blade lays respectively at the end face of this wheel hub, and in the footpath of this impeller upwards, respectively this blade has respectively relative a first end and second end, respectively the first end of this blade arranges outwardly, respectively between the second end of this blade, forms a diversion space;
Wherein this fan frame comprises a carrier, a closure and a side wall portion, this side wall portion is positioned between this carrier and this closure, between this carrier, closure and side wall portion, form this containing space, the end face of this wheel hub is towards this closure, respectively this blade extends axially and exceeds respectively the end face of this wheel hub towards this closure, and this closure is the flat condition without convex parts towards the surface of this diversion space, respectively the first end of this blade is towards this side wall portion; Wherein the bottom surface of this wheel hub extends axially out a ringwall, this stator be arranged on this ringwall around space in, in the footpath of this impeller upwards, respectively the first end of this blade radially extends and exceeds the ringwall of this wheel hub towards this side wall portion.
2. fan according to claim 1, is characterized in that, in the axial direction of this impeller, the open height of this side wind inlet is between this closure and the horizontal position of this end face.
3. fan according to claim 1, is characterized in that, in the axial direction of this impeller, the open height of this side air-out mouth is between this closure and the horizontal position of this end face.
4. fan according to claim 2, is characterized in that, this side wind inlet is to being positioned at the leaf position of this impeller.
5. fan according to claim 3, is characterized in that, this side air-out mouth is to being positioned at the leaf position of this impeller.
6. according to the fan described in claim 1,2,3,4 or 5, it is characterized in that, between the end face of this impeller and this closure, separate out a lateral channel in this containing space, respectively this blade is positioned at this lateral channel.
7. according to the fan described in claim 1,2,3,4 or 5, it is characterized in that, this carrier forms a groove, and this groove is positioned at this containing space, and the stator of this motor is incorporated into this groove, and the wheel hub of this impeller is placed in this groove.
8. according to the fan described in claim 1,2,3,4 or 5, it is characterized in that, this carrier is a base, this side wall portion extends axially and mutual several adjoining side wall from the lateral margin of this base, this closure is a cover plate, this cover plate is in conjunction with this side wall, and forms this containing space between this cover plate and this base, and this side wind inlet and side air-out mouth are arranged at respectively adjacent two side walls.
9. according to the fan described in claim 1,2,3,4 or 5, it is characterized in that, this carrier is a base, this side wall portion extends axially and mutual several adjoining side wall from the lateral margin of this base, this closure is a cover plate, this cover plate is in conjunction with this side wall, and forms this containing space between this cover plate and this base, this side wind inlet and side air-out mouth be arranged at respectively relatively to two side walls.
10. according to the fan described in claim 1,2,3,4 or 5, it is characterized in that, this blade one is incorporated into the end face of this wheel hub.
11. according to the fan described in claim 1,2,3,4 or 5, it is characterized in that, respectively the root edge of this blade forms a chassis, and this chassis is connected in this wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010536319.8A CN102465894B (en) | 2010-11-09 | 2010-11-09 | Fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010536319.8A CN102465894B (en) | 2010-11-09 | 2010-11-09 | Fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102465894A CN102465894A (en) | 2012-05-23 |
| CN102465894B true CN102465894B (en) | 2014-07-09 |
Family
ID=46069898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010536319.8A Expired - Fee Related CN102465894B (en) | 2010-11-09 | 2010-11-09 | Fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102465894B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI482911B (en) | 2010-11-08 | 2015-05-01 | Sunonwealth Electr Mach Ind Co | Cooling fan |
| CN102465900B (en) * | 2010-11-11 | 2014-11-12 | 建准电机工业股份有限公司 | Radiator fan |
| TWI648473B (en) * | 2017-10-20 | 2019-01-21 | 財團法人工業技術研究院 | fan |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401915A (en) * | 2001-08-23 | 2003-03-12 | Lg电子株式会社 | Turbofan and mold thereof |
| US6652223B1 (en) * | 2002-05-30 | 2003-11-25 | Sunonwealth Electric Machine Industry | Fan structure having horizontal convection |
| CN101101008A (en) * | 2007-08-01 | 2008-01-09 | 深圳市龙岗区金怡信电子厂 | Centrifugal fan and aeration device with indoor air purifying function |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003307198A (en) * | 2002-04-12 | 2003-10-31 | Mitsubishi Electric Corp | Fan |
| US20070166177A1 (en) * | 2006-01-19 | 2007-07-19 | Industrial Design Laboratories Inc. | Thin air processing device for heat ventilation air conditioning system |
-
2010
- 2010-11-09 CN CN201010536319.8A patent/CN102465894B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401915A (en) * | 2001-08-23 | 2003-03-12 | Lg电子株式会社 | Turbofan and mold thereof |
| US6652223B1 (en) * | 2002-05-30 | 2003-11-25 | Sunonwealth Electric Machine Industry | Fan structure having horizontal convection |
| CN101101008A (en) * | 2007-08-01 | 2008-01-09 | 深圳市龙岗区金怡信电子厂 | Centrifugal fan and aeration device with indoor air purifying function |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2003-307198A 2003.10.31 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102465894A (en) | 2012-05-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Patentee after: Sunonwealth Electric Machine Industry Co.,Ltd. Address before: Are China Taiwan Lingya Kaohsiung No. 120 12 floor 1 Patentee before: Sunonwealth Electric Machine Industry Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20120523 Assignee: SUNON ELECTRONICS (KUNSHAN) Co.,Ltd. Assignor: Sunonwealth Electric Machine Industry Co.,Ltd. Contract record no.: 2018990000122 Denomination of invention: Automobile water pump with automatic clutching fan Granted publication date: 20140709 License type: Common License Record date: 20180508 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 |