CN103671157A - Fan - Google Patents
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- CN103671157A CN103671157A CN201210345642.6A CN201210345642A CN103671157A CN 103671157 A CN103671157 A CN 103671157A CN 201210345642 A CN201210345642 A CN 201210345642A CN 103671157 A CN103671157 A CN 103671157A
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- heat conduction
- conduction shell
- impeller
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Abstract
The invention provides a fan comprising a fan frame, a motor and an impeller. The motor is accommodated in the fan frame, and the impeller is connected with the motor and driven by the same. The impeller comprises a hub, an inner fan blade and an outer fan blade. The hub is provided with a first surface and a second surface, the first surface faces to the motor, and the second surface is back to the motor. The inner fan blade is arranged on the first surface, and the outer fan blade is arranged on the second surface. Since the inner fan blade faces to the motor, the inner fan blade can be used for increasing air flow inside the fan, further the motor is cooled and the airflow is discharged so as to lower the temperature of the motor and internal electronic components.
Description
Technical field
The present invention is relevant for a kind of fan, particularly about a kind of fan of tool water-proof function.
Background technique
Conventional fan encapsulates greatly the parts of wish protection mainly with glue material filling mode now, and then reaches the function of waterproof, please refer to Fig. 1, and it is a kind of known fan cross sectional side view of tool water-proof function.Fan 1 comprises colloid 11, a housing 12, a plurality of outer flabellum 13, fan frame 14, a circuit board 15 and a stator structure 16.Wherein, colloid 11 is filled and coating circuit plate 15 and stator structure 16, and these outer flabellums 13 are connected with outside housing 12 and are positioned at fan frame 14.
Because fan 1 must be usingd the colloid 11 of a large amount of glue materials as filling protection watchcase element, this processing procedure not only increases cost of production and expends outside man-hour, and the glue material using also has the doubt of environmental pollution.In addition because colloid 11 seals coating circuit plate 15 completely, thus can cause circuit board 15 to be difficult for heat radiation, and then make the overheated operational paradigm that burns or significantly reduce fan of circuit board 15.Moreover in filler process, also may, because of the temperature in glue material process of setting, internal stress etc., damage the electronic component on circuit board 15.
Therefore, how to provide a kind of fan, there is the function of waterproof, more can improve heat dissipating capacity, and then promote the usefulness of fan and motor, become one of important topic simultaneously.
Summary of the invention
Because above-mentioned problem, object of the present invention, for a kind of fan is provided, can improve the gas flow of fan inside, to reduce the temperature of motor and electronic component, and then the heat radiation function of lifting fan inside.
Another object of the present invention, for a kind of fan is provided, has waterproof and dustproof effect, can avoid extraneous aqueous vapor and dust to enter in motor, and affects the usefulness of fan.
For reaching above-mentioned purpose, a kind of fan of the present invention comprises a fan frame, a motor and an impeller.Motor is placed in fan frame, and impeller is connected with motor, and by motor driving.Impeller comprises a wheel hub, an interior flabellum and an outer flabellum.Wheel hub has a first surface and a second surface.First surface is towards motor, and second surface is motor dorsad.Interior flabellum is arranged at first surface, and outer flabellum is arranged at second surface.
According to above-mentioned design, wherein motor is upside-down mounting or formal dress.
According to above-mentioned design, wherein wheel hub has more at least one perforation, balance intermediate plate or fluting.
According to above-mentioned design, more comprise: a heat conduction shell and at least one radiating fin.This fan frame of heat conduction shell combines.Radiating fin and this heat conduction shell joint touch, and between this heat conduction shell and this impeller.
For reaching above-mentioned purpose, the present invention still provides a kind of fan to comprise a fan frame, a heat conduction shell, a motor, an impeller and a plurality of radiating fin.Heat conduction shell mutually combines with fan frame, and motor is installed in heat conduction shell, and it is outer and is connected with motor that vane rings is located at heat conduction shell, and by motor driving, and these radiating fin and heat conduction shell joint are tactile and between heat conduction shell and impeller.
According to above-mentioned design, wherein impeller comprises: a wheel hub and a flabellum.Wheel hub has at least one perforation, balance intermediate plate or fluting.This flabellum is arranged at this wheel hub.
For reaching above-mentioned purpose, the present invention more provides a kind of fan to comprise a fan frame, a heat conduction shell, a motor and an impeller.Heat conduction shell combines with fan frame, and motor is arranged in heat conduction shell, and vane rings is located at outside heat conduction shell.One surface of heat conduction shell has one first structure, and the first structure has at least one the first protuberance.Impeller at least comprises a wheel hub, and wheel hub has one second structure, and the second structure has at least one the second protuberance, and wherein the first protuberance and the second protuberance are crisscross arranged on first direction, and part overlaps in second direction.
According to above-mentioned design, wherein the material of this heat conduction shell is the metal with high thermal conductivity coefficient.
According to above-mentioned design, the wherein sealed or interlocking of this heat conduction shell and this fan frame.
The present invention has following useful effect: fan of the present invention has interior flabellum and outer flabellum, wherein interior flabellum is arranged at the first surface of wheel hub surface to motor, outer flabellum is arranged at the wheel hub second surface of motor dorsad, because interior wing blade face is to motor setting, can be in order to promote the gas flow momentum of fan inside, and then motor is dispelled the heat and air-flow is discharged, to reduce the temperature of motor and internal electronic element.In addition, fan of the present invention also contacts a plurality of radiating fin with heat conduction shell, can dispel the heat to motor inside with convection effect Come by conduction.In addition, the second structure of one lip-deep the first structure of heat conduction shell and the first surface of wheel hub is oppositely arranged, both are crisscross arranged and go up in axial the design that part overlaps on radially, comparatively difficult so that aqueous vapor and dust flow in motor, and then reach the effect of water proof and dust proof.
Accompanying drawing explanation
Fig. 1 is the cross sectional side view of known fan;
Fig. 2 A is the cross sectional side view of a kind of fan of a preferred embodiment of the present invention;
Fig. 2 B is the schematic perspective view according to the fan of Fig. 2 A;
Fig. 3 is that Fig. 2 A dotted line circle is around the enlarged diagram of part; And
Fig. 4 A to Fig. 4 D is the variation pattern schematic diagram according to the first structure and second structure of fan of the present invention.
Wherein, description of reference numerals is as follows:
1,2: fan
11: colloid
12: housing
13,233: outer flabellum
14,21: fan frame
15,25: circuit board
16,222: stator structure
22: motor
221: rotor structure
23: impeller
231: wheel hub
231a: first surface
231b: second surface
231c: perforation
231d: fluting
231e: balance intermediate plate
232: interior flabellum
24: heat conduction shell
241: surface
26: radiating fin
A: the first protuberance
A ': the second protuberance
B: the first recess
B ': the second recess
C: dotted line circle is around part
S1a, S1b, S1c, S1d, S1e: the first structure
S2a, S2b, S2c, S2d, S2e: the second structure
Embodiment
Hereinafter with reference to correlative type, a preferred embodiment of a kind of fan of the present invention is described, and different embodiments' different modes is described respectively with relevant paragraph, wherein identical element is illustrated the reference marks with identical.
Please refer to Fig. 2 A, it is the cross sectional side view according to a kind of fan of a preferred embodiment of the present invention.Fan 2 comprises a fan frame 21, a motor 22 and an impeller 23.Wherein motor 22 is placed in fan frame 21, and impeller 23 is connected with motor 22, and is driven by motor 22.Fan 2 of the present invention is for example a drip-proof fan, and it is applicable to be rich in the environment of aqueous vapor.Wherein, motor 22 can be formal dress form or upside-down mounting form, and in the present embodiment, because circuit board 25 is the tops that are for example arranged at motor 22, so the motor 22 of the present embodiment is to take upside-down mounting mode as example, so non-limiting the use of in the present invention.
In more detail, motor 22 more can comprise a rotor structure 221 and a stator structure 222.Rotor structure 221 setting corresponding to stator structure 222, rotor structure 221 arranges around stator structure 222.Wherein, rotor structure 221 and stator structure 222 are arranged in heat conduction shell 24.
In addition, fan 2 also can further arrange one or more radiating fin 26 in the surface of heat conduction shell 24, with the radiating effect of heat radiation heat conduction shell 24.In this mode of execution, these radiating fin 26 contact with heat conduction shell 24, and are uniformly-spaced arranged at the surface of heat conduction shell 24, and between heat conduction shell 24 and impeller 23.Now, heat conduction shell 24 can significantly promote its heat dissipation potential by these radiating fin 26, by conduction and convection effect, motor 22 and heat conduction shell 24 inside are dispelled the heat, and then improves working life and the efficiency of motor 22 and fan 2.
Shown in Fig. 2 B, wherein Fig. 2 B is the schematic perspective view of the fan of Fig. 2 A.In addition, wheel hub 231 can have according to demand at least one perforation 231c, and perforation 231c is arranged in wheel hub 231, to be communicated with inside extraneous and wheel hub 231.So, extraneous gas can be via perforation 231c to flow to the inside of wheel hub 231, and discharge from fan 2, with to motor 22 or 24 heat radiations of heat conduction shell, and reduce the temperature of wheel hub 231 inside or heat conduction shell 24, to improve working life and the efficiency of motor 22 and fan 2.
In addition, when wheel hub 231 have perforation 231c and and impeller 23 while thering is interior flabellum 232, flow to perforation 231c and the gas flow rate of discharging from fan 2 can be further improved, and then can further improve the efficiency of motor 22 and fan 2.
In addition, wheel hub 231 can have according to demand at least one balance intermediate plate 231e, and balance intermediate plate 231e is arranged at first surface 231a.The influence of vibration that the setting of the fan 2 of the present embodiment by balance intermediate plate 231e caused significantly to lower impeller 23 whole amount of unbalance, and then improve working life and the efficiency of motor 22 and fan 2.
In addition, wheel hub 231 can have according to demand at least one fluting 231d, and fluting 231d is arranged at first surface 231a, and aforementioned balance intermediate plate 231e can be located at fluting 231d, to save inner space.The embodiment of Fig. 2 A is for ease of explanation, therefore take, a plurality of balance intermediate plate 231e are arranged to first surface 231a and/or are filled in a plurality of fluting 231d is example, right non-limiting the use of in the present invention.Wherein, these flutings 231d is preferably to be uniformly-spaced and arranges.
In addition, referring again to Fig. 2 A, fan 2 also can be according to demand, on a surface 241 of heat conduction shell 24, be provided with one first structure S1a, and be provided with one second structure S2a in the first surface 231a of wheel hub 231, wherein the second structure S2a and the first structure S1a are oppositely arranged, and the second structure S2a and the first structure S1a are crisscross arranged on radially, and partly overlap in axially upper.Thereby fan 2 can obtain stronger water proof and dust proof effect, enter to make fan 2 can be more suitable for various rugged environment, and there is longer working life and usefulness.
In addition, shown in Fig. 3, Fig. 3 is that Fig. 2 A dotted line circle is around the enlarged diagram of part C.The first structure S1a has at least one the first protuberance A and the second structure S2a has at least one the second protuberance A ', the first protuberance A and the second protuberance A ' are crisscross arranged on first direction (as radially), and overlap in the upper part of second direction (as axially), to form a gap that has ventilation, waterproof and dustproof concurrently.In addition, length, width or the shape of the first protuberance A and the second protuberance A ' is can phase XOR identical, and the first protuberance A and the second protuberance A ' quantity can be more than 1 or 1 positive integer.
In addition, according to actual demand, the first structure S1a also can have at least one the first protuberance A and at least one the first recess B, and the second structure S2a has at least one the second recess B ' and at least one the second protuberance A '.Wherein, the first recess B and the second protuberance A ' are configuration face-to-face, the first protuberance A and the second recess B ' are also configuration face-to-face simultaneously, make the first structure S1a and the second structure S2a present interlaced configuration, outside this particular design can be further isolates from aqueous vapor and dust, reach the effect of water proof and dust proof.Again, the first protuberance A and the first recess B(or the second recess B ' and the second protuberance A ') also can there is on demand different width, height or shape.
Shown in Fig. 4 A to Fig. 4 D, it is the variation pattern schematic diagram of the first structure of fan of the present invention and the second structure.It is that continuous annular structure and the second structure S2b are discontinuous ring structure that the first structure of the present invention and the second structure can form according to the actual requirements and respectively as the first structure S1b shown in Fig. 4 A.The first structure S1c is as shown in Figure 4 B that discontinuous ring structure and the second structure S2c are continuous annular structure, the gap portion that the first structure S1d as shown in Figure 4 C and the second structure S2d are all discontinuous ring structure and the first structure S1d in the footpath of fan 2 upwards with the corresponding setting of entity part of the second structure S2d, the corresponding setting of gap portion with the second structure S2d that makes progress in the footpath of fan 2 of the entity part of the first structure S1d.And as shown in Figure 4 D, the first structure S1e and the second structure S2e are all continuous annular structure.
In addition, though the present invention be take the first structure in outer ring and the second structure at inner ring as example describes, so also can on demand the first structure be changed and be located at inner ring and the second structure and change and be located at outer ring.
It is worth mentioning that, though preferred embodiment of the present invention describes individually in above-mentioned mode, so this is not in order to limit the present invention, in other embodiments, also the user demand of visual fan reality and environment of operation, do the combination collocation of different modes, to obtain corresponding effect, this is only for giving an example not as restriction.
In sum, fan of the present invention has interior flabellum and outer flabellum, wherein interior flabellum is arranged at the first surface of wheel hub surface to motor, outer flabellum is arranged at the wheel hub second surface of motor dorsad, because interior wing blade face is to motor setting, can be in order to promote the gas flow momentum of fan inside, and then motor is dispelled the heat and air-flow is discharged, to reduce the temperature of motor and internal electronic element, and improve working life and the efficiency of motor and fan.
In addition, fan of the present invention also can be by heat conduction shell, the even setting of radiating fin of boring a hole, to reach the temperature that reduces wheel hub inside or heat conduction shell, to improve working life and the efficiency of motor and fan.
In addition, the second structure of one lip-deep the first structure of heat conduction shell and the first surface of wheel hub is oppositely arranged, both are crisscross arranged on radially and are the designs that partly overlaps and arrange on axially, it is comparatively difficult so that aqueous vapor and dust flow in motor, and then prevent that aqueous vapor and dust from entering, so that fan is more suitable for various rugged environment, and there is longer working life and usefulness.Moreover, because the material of heat conduction shell is the metal with high thermal conductivity coefficient, the heat energy of motor can be discharged by conduction.
Also have fan of the present invention can significantly reduce the influence of vibration that flabellum amount of unbalance causes by arranging of balance intermediate plate, and then improve working life and the efficiency of motor and fan.
The foregoing is only illustrative, but not as restriction.Anyly do not depart from spirit of the present invention and category, and the equivalent modifications that it is carried out or change all should be contained in claim scope.
Claims (9)
1. a fan, is characterized in that, comprising:
One fan frame;
One motor, is placed in this fan frame; And
One impeller, is connected with this motor, and by this motor driving, this impeller comprises:
One wheel hub, has a first surface and a second surface, and this first surface is towards this motor, and this second surface is this motor dorsad;
One interior flabellum, is arranged at this first surface; And
One outer flabellum, is arranged at this second surface.
2. fan as claimed in claim 1, is characterized in that: this motor is upside-down mounting or formal dress.
3. fan as claimed in claim 1, is characterized in that: this wheel hub has more at least one perforation, balance intermediate plate or fluting.
4. fan as claimed in claim 1, is characterized in that: more comprise:
One heat conduction shell, combines with this fan frame; And
At least one radiating fin, touches with this heat conduction shell joint, and between this heat conduction shell and this impeller.
5. a fan, is characterized in that, comprising:
One fan frame;
One heat conduction shell, mutually combines with this fan frame;
One motor, is installed in this heat conduction shell;
One impeller, is located on outside this heat conduction shell, is connected with this motor, and by this motor driving; And
A plurality of radiating fin, touch with this heat conduction shell joint, and between this heat conduction shell and this impeller.
6. fan as claimed in claim 5, is characterized in that, this impeller comprises:
One wheel hub, has at least one perforation, balance intermediate plate or fluting; And
One flabellum, this flabellum is arranged at this wheel hub.
7. a fan, is characterized in that, comprising:
One fan frame;
One heat conduction shell, combines with this fan frame, and a surface of this heat conduction shell has one first structure, and this first structure has at least one the first protuberance;
One motor, is arranged in this heat conduction shell; And
One impeller, is located on outside this heat conduction shell, and this impeller at least comprises a wheel hub, this wheel hub has one second structure, this second structure has at least one the second protuberance, and wherein this first protuberance and this second protuberance are crisscross arranged on first direction, and part overlaps in second direction.
8. the fan as described in claim 4,5 or 7, is characterized in that: the material of this heat conduction shell is the metal with high thermal conductivity coefficient.
9. the fan as described in claim 4,5 or 7, is characterized in that: this heat conduction shell and this fan frame is sealed or interlocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210345642.6A CN103671157B (en) | 2012-09-18 | 2012-09-18 | Fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210345642.6A CN103671157B (en) | 2012-09-18 | 2012-09-18 | Fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103671157A true CN103671157A (en) | 2014-03-26 |
| CN103671157B CN103671157B (en) | 2017-05-03 |
Family
ID=50309696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210345642.6A Active CN103671157B (en) | 2012-09-18 | 2012-09-18 | Fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103671157B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973428A (en) * | 2017-12-28 | 2019-07-05 | 日本电产株式会社 | Fan |
| CN110277877A (en) * | 2018-03-16 | 2019-09-24 | 日本电产株式会社 | Driving device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0937516A (en) * | 1995-07-20 | 1997-02-07 | Matsushita Electric Ind Co Ltd | Cooling fan motor |
| CN2332835Y (en) * | 1997-11-28 | 1999-08-11 | 蔡金福 | Improved radiatin fan |
| CN101029649A (en) * | 2007-03-20 | 2007-09-05 | 台达电子零组件(东莞)有限公司 | Balancer for fan device |
| CN101038003A (en) * | 2006-03-15 | 2007-09-19 | 台达电子工业股份有限公司 | Fan, motor and blade thereof |
| CN200993123Y (en) * | 2006-12-11 | 2007-12-19 | 陈正钢 | Radiating fan |
| CN201391489Y (en) * | 2009-03-09 | 2010-01-27 | 鑫贺精密电子(东莞)有限公司 | Dustproof heat radiating fan |
-
2012
- 2012-09-18 CN CN201210345642.6A patent/CN103671157B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0937516A (en) * | 1995-07-20 | 1997-02-07 | Matsushita Electric Ind Co Ltd | Cooling fan motor |
| CN2332835Y (en) * | 1997-11-28 | 1999-08-11 | 蔡金福 | Improved radiatin fan |
| CN101038003A (en) * | 2006-03-15 | 2007-09-19 | 台达电子工业股份有限公司 | Fan, motor and blade thereof |
| CN200993123Y (en) * | 2006-12-11 | 2007-12-19 | 陈正钢 | Radiating fan |
| CN101029649A (en) * | 2007-03-20 | 2007-09-05 | 台达电子零组件(东莞)有限公司 | Balancer for fan device |
| CN201391489Y (en) * | 2009-03-09 | 2010-01-27 | 鑫贺精密电子(东莞)有限公司 | Dustproof heat radiating fan |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973428A (en) * | 2017-12-28 | 2019-07-05 | 日本电产株式会社 | Fan |
| CN110277877A (en) * | 2018-03-16 | 2019-09-24 | 日本电产株式会社 | Driving device |
| CN110277877B (en) * | 2018-03-16 | 2023-07-28 | 日本电产株式会社 | Driving device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103671157B (en) | 2017-05-03 |
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