CN101038003A - Fan, motor and blade thereof - Google Patents
Fan, motor and blade thereof Download PDFInfo
- Publication number
- CN101038003A CN101038003A CN 200610059188 CN200610059188A CN101038003A CN 101038003 A CN101038003 A CN 101038003A CN 200610059188 CN200610059188 CN 200610059188 CN 200610059188 A CN200610059188 A CN 200610059188A CN 101038003 A CN101038003 A CN 101038003A
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- wheel hub
- conduction shell
- air
- motor
- flow path
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Abstract
A turbine wheel and a motor driven by a stator structure, and a fan having this turbine wheel. The turbine wheel includes a conduction case, wheel hub and a plurality of flabellums. At least one side of the stator structure is covered by the conduction case, the wheel hub covers the conduction case, and at least one air gap is provided between the wheel hub and the stator structure. An opening is provided on top of the wheel hub, which exposes part of the conduction case top. At least one air current passage is formed between inner wall of the wheel hub and outer surface of the conduction case, which is provided with at least one air inlet and outlet. The air inlet communicates with the opening, and the outlet communicates with the air gap. The flabellum rings are provided on periphery of the wheel hub. An air current passage is provided between inner wall of the wheel hub and the conduction case, heat produced by operation of the stator structure is conducted to air current passing through the air current passage via the conduction case, thereby being brought out of the fan, motor and the turbine wheel by the air current, hence, self-dissipation effect and operation efficiency of the fan, motor and the turbine wheel can be improved. Because there is no opening on top of the conduction case, damage of inner elements of the fan and the motor for invasion of foreign matters can be avoided.
Description
Technical field
The present invention relates to fan, motor and impeller, relate in particular to the splendid fan of radiating effect, motor and impeller.
Background technique
Along with electronic product develops rapidly towards high-performance, high frequency, high-speed and lightening direction, make that the heating temperature of electronic product is more and more higher, thereby be easy to generate wild effect, influence product reliability, so existing electronic product often utilizes fan as sink.
Please refer to Fig. 1.As shown in Figure 1, existing a kind of fan 1 comprises impeller 11, motor 12 and fan frame 13.Impeller 11 comprises that wheel hub 111 and a plurality of ring establish and be connected in the flabellum 112 of wheel hub 111 peripheries.Motor 12 is placed in the wheel hub 111, connects and drives impeller 11 rotations.Impeller 11 and motor 12 are set in the fan frame 13.Be protection motor 12, top 1111 sealings with the wheel hub 111 of fan 1 enter wheel hub 111 inside to prevent foreign matter.Yet this heat that will cause motor 12 to be distributed is limited in the wheel hub 111, so that radiating effect is not good, and causes fan 1 long-time running back to reduce usefulness because of ambient temperature significantly improves.
Fig. 2 shows existing another kind of fan 2, and it comprises impeller 21, motor 22 and fan frame 23, and wherein, impeller 21 comprises that wheel hub 211 and a plurality of ring establish and be connected in the flabellum 212 of wheel hub 211 peripheries.Motor 22 is placed in the wheel hub 211, connects and drives impeller 21 rotations.Impeller 21 and motor 22 are set in the fan frame 23.The top 2111 of wheel hub 211 has opening 2112, make the conduction shell 221 of motor 22 expose, the exposed parts of conduction shell 221 has a plurality of holes 2211, makes air-flow a to enter motor 22 inside by these holes 2211, by means of air-flow a the heat that motor 22 distributes is taken away.But for this structure, foreign matter and dust will fall to motor 22 inside and cause motor 22 to be damaged from described hole 2211 along with air-flow a.
Therefore, provide a kind of fan, motor and impeller to improve motor oneself heat radiation and can to avoid foreign matter to enter motor usefulness inner and then that improve fan be one of current important topic.
Summary of the invention
Given this, the objective of the invention is to, provide a kind of and can improve oneself's heat radiation of motor and can avoid foreign matter to enter fan, motor and the impeller of the usefulness of motor inside and then raising fan.
For realizing described purpose, the invention provides a kind of impeller that driven by stator structure, this impeller comprises conduction shell, wheel hub and a plurality of flabellum.At least one side of conduction shell covering stator structure, wheel hub covers the conduction shell, and has at least one air gap between wheel hub and stator structure.This wheel hub top has an opening, this opening emerges part conduction shell top.Form at least one air-flow path between wheel hub inwall and the conduction shell outer surface, this air-flow path has at least one suction port and at least one air outlet.Suction port and open communication, the air outlet is communicated with air gap.Flabellum is located on the wheel hub periphery.
For realizing described purpose, according to the present invention, provide a kind of motor, it comprises rotor structure and stator structure, rotor structure comprises conduction shell and wheel hub.At least one side of conduction shell covering stator structure, wheel hub covers the conduction shell, and has at least one air gap between wheel hub and stator structure.The wheel hub top has an opening, this opening emerges part conduction shell top.Form at least one air-flow path between wheel hub inwall and the conduction shell outer surface, this air-flow path has at least one suction port and at least one air outlet.Suction port and open communication, the air outlet is communicated with air gap.
For realizing described purpose, according to the present invention, provide a kind of fan, it comprises rotor structure and stator structure, rotor structure comprises conduction shell, wheel hub and a plurality of flabellum.At least one side of conduction shell covering stator structure, wheel hub covers the conduction shell, and has at least one air gap between wheel hub and stator structure.The wheel hub top has an opening, this opening emerges part conduction shell top.Form at least one air-flow path between wheel hub inwall and the conduction shell outer surface, this air-flow path has at least one suction port and at least one air outlet.Suction port and open communication, the air outlet is communicated with air gap.Flabellum is located on the wheel hub periphery.
In sum, for fan of the present invention, motor and impeller thereof, owing to have air-flow path between its wheel hub inwall and the conduction shell, therefore stator structure moves the air-flow that the heat that is produced can be passed to the described air-flow path of flowing through by the conduction shell, and by described air-flow from the air gap band from going out fan, motor and impeller, thereby can improve the self-radiating effect and the operational efficiency of fan, motor and impeller.In addition, owing to having adopted the radiating mode that needn't form hole, therefore can avoid foreign matter to enter fan, motor inside, and then can avoid fan, motor inner member to be damaged because of the foreign matter intrusion from conducting the shell top at conduction shell top.
Description of drawings
Fig. 1 is the schematic representation of existing a kind of fan;
Fig. 2 is the schematic representation of existing another kind of fan;
Fig. 3 is the fan schematic representation of first embodiment of the invention;
Fig. 4 is the fan schematic representation of second embodiment of the invention;
The schematic representation of the flow guide structure that Fig. 5 has for fan shown in Figure 3.
Description of reference numerals
1,2,3,3 ' fan, 11,21 impellers
12,22 motors, 13,23,33 fan frames
111,211,311,311 ' wheel hub, 112,212,313 flabellums
1111,2111 tops 2112,3111,3111 ' opening
221,312 conduction shells, 2211 holes
31,31 ' rotor structure, 3112 inwalls
3113 air gaps, 3114 flow guide structures
3121 outer surfaces, 3122 rotor magnetic poles
32 stator structures, 321 bases
322 magnetic pole of the stator a air-flows
3111 ', A
InSuction port A
OutThe air outlet
A
PassageAir-flow path
Embodiment
Hereinafter with reference to relevant drawings fan, motor and the impeller thereof of preferred implementation of the present invention are described, parts identical in the accompanying drawing are represented with identical reference character.
Please refer to Fig. 3.As shown in Figure 3, the fan 3 of first embodiment of the invention comprises rotor structure 31, stator structure 32 and fan frame 33.Wherein, rotor structure 31 and stator structure 32 are set in the fan frame 33, and rotor structure 31 is driven by stator structure 32.In the present embodiment, rotor structure 31 comprises wheel hub 311, conduction shell 312 and a plurality of flabellum 313.At least one side of conduction shell 312 covering stator structures 32, wheel hub 311 is coupled to conduction shell 312, and flabellum 313 is located on wheel hub 311 peripheries.
In the present embodiment, flabellum 313 and wheel hub 311 can one-body molded or mutual combinations, and the form of flabellum 313 can be centrifugal flabellum, axial flow flabellum, flat vanes or curved flabellum, and that the shape of wheel hub 311 can be is cylindric, polygonal tubular or U-shaped.The material of conduction shell 312 can be metal, alloy, Heat Conduction Material or permeability magnetic material, and conduction shell 312 and wheel hub 311 can by engage, chimeric, sealed, welding, thermal fusion welding, ultrasonic fusing or the mode of cohering be connected.In addition, conduction shell 312 inside have rotor magnetic pole 3122, and stator structure 32 has magnetic pole of the stator 322, and rotor magnetic pole 3122 is corresponding with magnetic pole of the stator 322.
In addition, 32 of wheel hub 311 and stator structures have at least one air gap 3113, make wheel hub 311 not contact air outlet A with stator structure 32
OutBe communicated with air gap 3113.In the present embodiment, stator structure 32 also comprises base 321, and air gap 3113 is between base 321 edges and wheel hub 311 edges, and ringwise.
When stator structure 32 drives rotor structure 31 rotations, because at air outlet A
OutNear air-flow velocity greater than at suction port A
InNear air-flow velocity, i.e. suction port A
InThe air-flow static pressure at place is greater than air outlet A
OutThe air-flow static pressure at place causes air-flow a can pass through suction port A
InEnter air-flow path A
Passage, and in the mode of thermoconvection the heat that motor was distributed is taken away, and from air outlet A
OutFlow out, thereby can improve the self-heat dissipation of motor.
In addition, for making the air-flow path A that flows through
PassageAir-flow a can steady flow, and press close to conduct shell 312, to improve the self-heat dissipation of motor, as shown in Figure 4, wheel hub 311 also can comprise at least one flow guide structure 3114 with conducting between the shell 312, in order to as air-flow path A
PassageAt least one sidewall, it is set on the inwall 3112 of wheel hub 311, and flow guide structure 3114 also can be arranged on the outer surface 3121 of conduction shell 312, makes air-flow a more press close to conduct the outer surface 3121 of shell 312, and then improve the thermoconvection effect, to improve the self-heat dissipation of motor.Flow guide structure 3114 can be list structure, slab construction, half tubular structure, curved structure or polygon structure, and can or conduct shell 312 one-body molded making with wheel hub 311, or is assembled on wheel hub 311 or the conduction shell 312.
In the present embodiment, conduction shell 312 sidewalls are formed with at least one radially hole, and this hole and air-flow path A
PassageBe connected, make the hot air flow in the motor flow to the air-flow path A that conducts outside the shell 312 from this hole
Passage, further improve heat dissipation.
Please refer to Fig. 5.As shown in Figure 5, the fan 3 of second embodiment of the invention ' comprise rotor structure 31 ', stator structure 32 and fan frame 33, wherein, stator structure 32 and fan frame 33 have identical structure and function with first mode of execution, so repeat no more.The difference of the present embodiment and first mode of execution is, suction port A
InCan can't help an opening of wheel hub and the outer surface of conduction shell forms, and rotor structure 31 ' wheel hub 311 ' the top have at least one opening 3111 ' with as suction port A
In, air-flow a can be via suction port 3111 ' enter air-flow path A
Passage, and in the mode of thermoconvection the heat that motor was distributed is taken away, and from air outlet A
OutFlow out.In the present embodiment, opening 3111 ' internal diameter less than 2.5mm.
In addition, the flow guide structure 3114 of first mode of execution can also be applied to the fan 3 of second mode of execution ' in so that further improve the self-heat dissipation of motor.
In sum, for fan of the present invention, motor and impeller thereof, owing to have air-flow path between its wheel hub inwall and the conduction shell, therefore, the heat that the stator structure operation is produced can be passed to the air-flow of the air-flow path of flowing through via the conduction shell, and by air-flow from the air gap band from fan, motor and impeller, so can improve fan, motor and impeller self-radiating effect and the operation usefulness.In addition,, therefore can avoid foreign matter to enter fan, motor inside, and then can avoid fan, motor inner member to be damaged because of the foreign matter intrusion from conducting the shell top owing to having adopted the radiating mode that does not need to form hole at conduction shell top.
Obviously, the above only is an illustrative, is not be limitation of the present invention.Any equivalent modifications of being carried out under the prerequisite that does not exceed design of the present invention and protection domain or conversion all should fall into claims scope required for protection.
Claims (19)
1. impeller that drives by stator structure, this impeller comprises:
One conduction shell, it covers described stator structure;
One wheel hub, it is coupled to described conduction shell, this wheel hub has at least one opening and at least one air-flow path, described opening is formed at a surface of described wheel hub and goes up and the described conduction shell of expose portion, described air-flow path is between described wheel hub and described conduction shell, and this air-flow path and described open communication; And
A plurality of flabellums that are located on described wheel hub periphery.
2. motor comprises:
One stator structure;
One rotor structure, this rotor structure comprises: a conduction shell, it covers described stator structure; An and wheel hub, it is coupled to described conduction shell, described wheel hub has at least one opening and at least one air-flow path, described opening is formed at a surface of described wheel hub and goes up and the described conduction shell of expose portion, described air-flow path is between described wheel hub and described conduction shell, and this air-flow path and described open communication.
3. motor as claimed in claim 2 wherein, has at least one air gap between described wheel hub and described stator structure.
4. motor as claimed in claim 3, wherein, described air-flow path has at least one suction port and at least one air outlet, described suction port and described open communication, described air outlet is communicated with described air gap.
5. motor as claimed in claim 4, wherein, the internal diameter of described suction port is less than 2.5mm.
6. motor as claimed in claim 3, wherein, described stator structure also comprises a base, described air gap is described base edge and described the wheel between the hub rim.
7. motor as claimed in claim 2, wherein, the material of described conduction shell is metal, alloy, Heat Conduction Material or permeability magnetic material.
8. motor as claimed in claim 2, wherein, described conduction shell and described wheel hub are connected with engaging, chimeric, sealed, welding, thermal fusion welding, ultrasonic fusing or the mode of cohering.
9. motor as claimed in claim 2 wherein, also comprises at least one flow guide structure, and it is set on described wheel hub or the described conduction shell, in order at least one sidewall as described air-flow path.
10. motor as claimed in claim 9, wherein, described flow guide structure is shaped on described wheel hub or the described conduction shell or is assembled on described wheel hub or the described conduction shell.
11. motor as claimed in claim 9, wherein, described flow guide structure is list structure, slab construction, half tubular structure, curved structure or polygon structure.
12. motor as claimed in claim 2, wherein, described opening be shaped as polygonal, circle or oval; That described wheel hub is shaped as is cylindric, polygonal tubular or U-shaped.
13. motor as claimed in claim 2, wherein, described conduction shell side wall is formed with at least one radially hole, and this hole is connected with described air-flow path.
14. motor as claimed in claim 2, wherein, described conduction shell inside has a rotor magnetic pole, and described stator structure has a stator magnetic pole, and described rotor magnetic pole is corresponding with described magnetic pole of the stator.
15. a fan comprises:
One stator structure; And
One rotor structure, this rotor structure comprises: a conduction shell, it covers at least one side of described stator structure; One wheel hub, it is coupled to described conduction shell, this wheel hub has at least one opening and at least one air-flow path, described opening is formed at a surface of described wheel hub and goes up and the described conduction shell of expose portion, described air-flow path is between described wheel hub and described conduction shell, and described air-flow path and described open communication; A plurality of flabellums that are located on described wheel hub periphery.
16. fan as claimed in claim 15 wherein, also comprises at least one flow guide structure, it is set on described wheel hub or the described conduction shell, in order at least one sidewall as described air-flow path.
17. fan as claimed in claim 16, wherein, described flow guide structure is shaped on described wheel hub or the described conduction shell, perhaps is assembled on described wheel hub or the described conduction shell.
18. fan as claimed in claim 16, wherein, described flow guide structure is list structure, slab construction, half tubular structure, curved structure or polygon structure.
19. fan as claimed in claim 15, wherein, the form of described flabellum is centrifugal flabellum, axial flow flabellum, flat vanes or curved flabellum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100591882A CN100453822C (en) | 2006-03-15 | 2006-03-15 | Fan, motor and blade thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100591882A CN100453822C (en) | 2006-03-15 | 2006-03-15 | Fan, motor and blade thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101038003A true CN101038003A (en) | 2007-09-19 |
| CN100453822C CN100453822C (en) | 2009-01-21 |
Family
ID=38889096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100591882A Active CN100453822C (en) | 2006-03-15 | 2006-03-15 | Fan, motor and blade thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100453822C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101494401A (en) * | 2008-01-25 | 2009-07-29 | 台达电子工业股份有限公司 | Motor and fan having dustproof and dissipating heat function |
| CN101493098B (en) * | 2008-01-21 | 2011-12-21 | Lg电子株式会社 | Fan assembly |
| CN102330702A (en) * | 2011-10-04 | 2012-01-25 | 叶露微 | Low-power ventilating fan |
| CN103671157A (en) * | 2012-09-18 | 2014-03-26 | 台达电子工业股份有限公司 | Fan |
| CN104167871A (en) * | 2014-07-29 | 2014-11-26 | 河北工业大学 | Motor heat dissipation apparatus |
| CN104343740A (en) * | 2013-08-07 | 2015-02-11 | 台达电子工业股份有限公司 | Fan |
| CN110653699A (en) * | 2018-06-29 | 2020-01-07 | 南京德朔实业有限公司 | Angle grinder and electric tool |
| CN111089069A (en) * | 2018-10-23 | 2020-05-01 | 台达电子工业股份有限公司 | Fan with cooling device |
| TWI703270B (en) * | 2015-03-31 | 2020-09-01 | 日商山洋電氣股份有限公司 | Impeller and fan device |
| CN112524061A (en) * | 2019-09-19 | 2021-03-19 | 日本电产株式会社 | Air supply device and electromechanical device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2468214Y (en) * | 2000-12-25 | 2001-12-26 | 台达电子工业股份有限公司 | Radiator of motor |
| JP4456347B2 (en) * | 2003-08-28 | 2010-04-28 | 日本電産サーボ株式会社 | Fan motor |
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2006
- 2006-03-15 CN CNB2006100591882A patent/CN100453822C/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493098B (en) * | 2008-01-21 | 2011-12-21 | Lg电子株式会社 | Fan assembly |
| CN101494401A (en) * | 2008-01-25 | 2009-07-29 | 台达电子工业股份有限公司 | Motor and fan having dustproof and dissipating heat function |
| CN101494401B (en) * | 2008-01-25 | 2016-04-06 | 台达电子工业股份有限公司 | The motor of the dust-proof and heat sinking function of tool and fan |
| CN102330702A (en) * | 2011-10-04 | 2012-01-25 | 叶露微 | Low-power ventilating fan |
| CN103671157A (en) * | 2012-09-18 | 2014-03-26 | 台达电子工业股份有限公司 | Fan |
| CN104343740B (en) * | 2013-08-07 | 2016-12-28 | 台达电子工业股份有限公司 | Fan |
| CN104343740A (en) * | 2013-08-07 | 2015-02-11 | 台达电子工业股份有限公司 | Fan |
| CN104167871A (en) * | 2014-07-29 | 2014-11-26 | 河北工业大学 | Motor heat dissipation apparatus |
| CN104167871B (en) * | 2014-07-29 | 2016-09-07 | 河北工业大学 | A kind of electric machine radiator |
| TWI703270B (en) * | 2015-03-31 | 2020-09-01 | 日商山洋電氣股份有限公司 | Impeller and fan device |
| CN110653699A (en) * | 2018-06-29 | 2020-01-07 | 南京德朔实业有限公司 | Angle grinder and electric tool |
| CN110661378A (en) * | 2018-06-29 | 2020-01-07 | 南京德朔实业有限公司 | Hair-dryer and garden instrument |
| CN110661378B (en) * | 2018-06-29 | 2021-10-22 | 南京德朔实业有限公司 | Hair-dryer and garden instrument |
| CN110653699B (en) * | 2018-06-29 | 2022-08-05 | 南京泉峰科技有限公司 | Angle grinder and electric tool |
| CN111089069A (en) * | 2018-10-23 | 2020-05-01 | 台达电子工业股份有限公司 | Fan with cooling device |
| CN112524061A (en) * | 2019-09-19 | 2021-03-19 | 日本电产株式会社 | Air supply device and electromechanical device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100453822C (en) | 2009-01-21 |
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