CN104179724A - Fan - Google Patents
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- CN104179724A CN104179724A CN201310195748.7A CN201310195748A CN104179724A CN 104179724 A CN104179724 A CN 104179724A CN 201310195748 A CN201310195748 A CN 201310195748A CN 104179724 A CN104179724 A CN 104179724A
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- rotor
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Abstract
The invention discloses a fan. The fan comprises a stator, a rotor and a fan frame, wherein the rotor is arranged on the stator in a sleeving way, and rotates relative to the stator; a plurality of first micro structures are molded on a first peripheral side surface of the rotor; when the rotor rotates, the first micro structures are used for dragging the air to generate circulating air current; the fan frame wrap the stator and the rotor. The fan is suitable to be applied into products needing low noise and has high flexibility in application; moreover, the influence on the reliability caused by eccentricity during rotation is avoided, and the service life of a bearing inside the fan can be prolonged.
Description
Technical field
The present invention relates to a kind of fan, particularly a kind of fan of low noise.
Background technique
With regard to current fan, it is all almost that the structure on the rotor with motor with flabellum presents.Arround the rotor with flabellum can make while rotating, air produces relative zone of high pressure and low pressure area, and air-flow can flow from zone of high pressure toward low pressure area.Again, because the principle of conservation of mass, the air being blown can cause the local low pressure area of the inner generation of fan, thereby can cause ambient air to be sucked into fan inside.
In general, the flabellum of the rotor of known fan has its special configuration design, and can accelerate air molecule.Yet the noise that known fan produces has most is the flabellum that comes from rotor.Therefore, this known fan is difficult to be applied to requiring the products of low noise.
In view of this, the object of the invention is to provide a kind of fan of low noise, it can be conducive to be used in the products that requires low noise.
Summary of the invention
The present invention adopts as detailed below feature with in order to solve the above problems substantially.
One embodiment of the invention provide a kind of fan, and this fan comprises: a stator; One rotor, this rotor is sheathed on this stator, and with respect to this stator rotation, wherein, one first circumferential flank surface of this rotor forms a plurality of the first microstructures, and when this rotor rotates, and these first microstructures are dragged and are drawn air and produce circulating air flow; And a fan frame, this coated this stator of fan frame and this rotor.
According to the above embodiments, these first microstructures comprise a plurality of projections or a plurality of groove.
According to the above embodiments, this fan also comprises a disk, be arranged among this fan frame, and be connected in this first circumferential flank surface of this rotor, wherein, one second circumferential flank surface of this disk forms a plurality of the second microstructures, and when this rotor rotates, and these first microstructures and these the second microstructures are dragged and drawn air and produce circulating air flow.
According to the above embodiments, these second microstructures comprise a plurality of projections and a plurality of groove.
Another embodiment of the present invention provides a kind of fan, and this fan comprises: one first stator; One the first rotor, this first rotor is sheathed on this first stator, and with respect to this first stator rotation, wherein, one first circumferential flank surface of this first rotor forms a plurality of the first microstructures; One second stator, this second stator is interval in this first stator side by side; One second rotor, this second rotor is sheathed on this second stator, and with respect to this second stator rotation, wherein, this bitrochanteric one second circumferential flank surface forms a plurality of the second microstructures, and when this first rotor and this second rotor rotate, these first microstructures and these the second microstructures are dragged and are drawn air and produce circulating air flow; And a fan frame, coated this first stator of this fan frame, this first rotor, this second stator and this second rotor.
According to the above embodiments, these first microstructures comprise a plurality of projections or a plurality of groove.
According to the above embodiments, these second microstructures comprise a plurality of projections or a plurality of groove.
According to the above embodiments, this fan also comprises one first disk and one second disk, be arranged among this fan frame, wherein, this first disk is connected in this first circumferential flank surface of this first rotor, this second disk is connected in this bitrochanteric this second circumferential flank surface, one the 3rd circumferential flank surface of this first disk forms a plurality of the 3rd microstructures, one 4th week of this second disk forms a plurality of the 4th microstructures to side surface, and when this first rotor and the rotation of this second rotor, these first microstructures, these second microstructures, these grade in an imperial examination three microstructures and this grade in an imperial examination four microstructures are dragged and are drawn air and produce circulating air flow.
According to the above embodiments, these grade in an imperial examination three microstructures comprise a plurality of projections or a plurality of groove.
According to the above embodiments, these grade in an imperial examination four microstructures comprise a plurality of projections or a plurality of groove.
The present invention can be applicable to being applied in the products that requires low noise, and is difficult for causing in the running because reliability impact eccentric and that cause also can make be extended the working life of the bearing of fan inside, and can in application, have preferably flexibility.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly also coordinates appended accompanying drawing to elaborate.
Accompanying drawing explanation
Figure 1A shows according to the schematic top plan view of the fan of the first embodiment of the present invention;
Figure 1B shows according to the A-A generalized section of Figure 1A;
Fig. 2 A shows the schematic top plan view of fan according to a second embodiment of the present invention;
Fig. 2 B shows according to the B-B generalized section of Fig. 2 A;
Fig. 3 A shows the schematic top plan view of the fan of a third embodiment in accordance with the invention; And
Fig. 3 B shows according to the C-C generalized section of Fig. 3 A.
Primary clustering symbol description:
101,102,103 fans
110 stators
111 first stators
112 second stators
120,120' rotor
121,151 first circumferential flank surface
121a, 151a the first microstructure
130,130', 130'' fan frame
131 air inlets
132 air outlet slits
140 disks
141,161 second circumferential flank surface
141a, 161a the second microstructure
150 the first rotors
160 second rotors
170 first disks
171 the 3rd circumferential flank surface
171a the 3rd microstructure
180 second disks
181 4th weeks are to side surface
181a the 4th microstructure
S space
Embodiment
Hereby coordinate accompanying drawing that preferred embodiment of the present invention is described.
About aforementioned and other technology contents, feature and effect of the present invention, in the detailed description in following cooperation with reference to a preferred embodiment of accompanying drawing, can clearly present.The direction term of mentioning in following examples, such as: upper and lower, left and right, front or rear etc., is only the direction with reference to attached drawings.Therefore, the direction term of use is to be not used for limiting the present invention for illustrating.
the first embodiment
Refer to Figure 1A and Figure 1B, the fan 101 of the present embodiment mainly includes a stator 110, a rotor 120 and a fan frame 130.
Rotor 120 is sheathed on stator 110, and rotor 120 rotates with respect to stator 110.At this, one first circumferential flank surface 121 of rotor 120 forms a plurality of the first microstructure 121a.Among the present embodiment, the first microstructure 121a can be projection, groove or or even the structure of rough surface.
Fan frame 130 be coated stator 110 and rotor 120, and fan frame 130 there is an air inlet 131 and an air outlet slit 132, as shown in Figure 1A.Among the present embodiment, air inlet 131 and air outlet slit 132 take shape on the limit, two opposite sides of fan frame 130.In other words, the present embodiment is disclosed is that a kind of air or air-flow side are entered the fan 101 that side goes out.
As mentioned above, when rotor 120 rotates, a plurality of first microstructure 121a of rotor 120 can drag and draw air and produce circulating air flow, and this circulating air fails to be convened for lack of a quorum and drives the air outlet slit 132 of air from the air inlet 131 of fan frame 130 toward fan frame 130 to flow.More detailed, because a plurality of first microstructure 121a of rotor 120 have projection, groove or rough surface, therefore these first microstructures 121a can produce viscous force with ambient air friction when rotating, and then can drag and draw air and produce circulating air flow.
the second embodiment
In the present embodiment, the assembly identical with the first embodiment all indicates with identical symbol.
Refer to Fig. 2 A and Fig. 2 B, the fan 102 of the present embodiment mainly includes a stator 110, a rotor 120', fan frame 130' and a disk 140.
Rotor 120' is sheathed on stator 110, and rotor 120' rotates with respect to stator 110.At this, one first circumferential flank surface 121 of rotor 120' forms a plurality of the first microstructure 121a.Among the present embodiment, the first microstructure 121a can be projection, groove or or even the structure of rough surface.
Disk 140 is connected in the first circumferential flank surface 121 of rotor 120'.At this, one second circumferential flank surface 141 of disk 140 forms a plurality of the second microstructure 141a.Among the present embodiment, the second microstructure 141a can also be projection, groove or or even the structure of rough surface.
Fan frame 130' is being coated stator 110, rotor 120 and disk 140, and fan frame 130' has an air inlet 131 and an air outlet slit 132, as shown in Figure 2 B.Among the present embodiment, air inlet 131 and air outlet slit 132 take shape in respectively on the top and side of fan frame 130.In other words, the present embodiment is disclosed is that a kind of air or air stream axle enter the fan 102 that side goes out.
As mentioned above, when rotor 120' rotates, a plurality of the first microstructure 121a of rotor 120' and a plurality of second microstructure 141a of disk 140 can drag and draw air and produce circulating air flow, and this circulating air fails to be convened for lack of a quorum and drives the air outlet slit 132 of air from the air inlet 131 of fan frame 130' toward fan frame 130 to flow.More detailed, because a plurality of first microstructure 121a of rotor 120 and a plurality of second microstructure 141a of disk 140 all have projection, groove or rough surface, therefore these the first microstructure 121a and the second microstructure 141a can produce viscous force with ambient air friction when rotating, and then can drag and draw air and produce circulating air flow.
the 3rd embodiment
Refer to Fig. 3 A and Fig. 3 B, the fan 103 of the present embodiment mainly includes one first stator 111, a first rotor 150, one second stator 112, one second rotor 160, one first disk 170, one second disk 180 and a fan frame 130''.
The second stator 112 is interval in the first stator 111 side by side.
The first rotor 150 is sheathed on the first stator 111, and the first rotor 150 rotates with respect to the first stator 111.At this, one first circumferential flank surface 151 of the first rotor 150 forms a plurality of the first microstructure 151a.Among the present embodiment, the first microstructure 151a can be projection, groove or or even the structure of rough surface.
The second rotor 160 is sheathed on the second stator 112, and the second rotor 160 rotates with respect to the second stator 112.At this, one second circumferential flank surface 161 of the second rotor 160 forms a plurality of the second microstructure 161a.Among the present embodiment, the second microstructure 161a can also be projection, groove or or even the structure of rough surface.
The first disk 170 is connected in the first circumferential flank surface 151 of the first rotor 150.At this, one the 3rd circumferential flank surface 171 of the first disk 170 forms a plurality of the 3rd microstructure 171a.Among the present embodiment, the 3rd microstructure 171a can also be projection, groove or or even the structure of rough surface.
The second disk 180 is connected in the second circumferential flank surface 161 of the second rotor 160.At this, a 4th week of the second disk 180 forms a plurality of the 4th microstructure 181a to side surface 181.Among the present embodiment, the 4th microstructure 181a can also be projection, groove or or even the structure of rough surface.
It should be noted that according to the configuration mode of the fan 103 of the present embodiment, between the first rotor 150, the second rotor 160, the first disk 170 and the second disk 180, can form a space S, as shown in Figure 3 B.
Fan frame 130'' is being coated the first stator 111, the first rotor 150, the second stator 112, the second rotor 160, the first disk 170 and the second disk 180, and fan frame 130'' has an air inlet 131 and an air outlet slit 132, as shown in Figure 3A.Among the present embodiment, air inlet 131 and air outlet slit 132 take shape in respectively on the limit, two opposite sides of fan frame 130''.In other words, the present embodiment is disclosed is that a kind of air or air-flow side are entered the fan 103 that side goes out.
As mentioned above, when the first rotor 150 and the second rotor 160 rotate according to contrary direction respectively, as shown in Fig. 3 A and Fig. 3 B, a plurality of first microstructure 151a of the first rotor 150, the second microstructure 161a of the second rotor 160, a plurality of the 3rd microstructure 171a of the first disk 170 and a plurality of the 4th microstructure 181a of the second disk 180 can drag and draw air and produce circulating air flow, and this circulating air fails to be convened for lack of a quorum and drives air the air outlet slit 132 from the air inlet 131 of fan frame 130'' toward fan frame 130 flows via space S.More detailed, due to a plurality of first microstructure 151a of the first rotor 150, a plurality of the 3rd microstructure 171a of the second microstructure 161a of the second rotor 160, the first disk 170 and a plurality of the 4th microstructure 181a of the second disk 180 all have projection, groove or rough surface, therefore these first microstructures 151a, the second microstructure 161a, the 3rd microstructure 171a and the 4th microstructure 181a can produce viscous force with ambient air friction when rotating, and then can drag and draw air and produce circulating air flow.
In sum, fan disclosed in this invention can have advantages of following.First, because fan disclosed in this invention does not have the flabellum of general complex geometric shapes, therefore it can provide lower aerodynamic noise, thereby can be applicable to being applied in the products that requires low noise.Secondly, because fan disclosed in this invention is structurally compared the known fan with flabellum and is come simply and symmetrical, the reliability impact eccentric and that cause therefore fan disclosed in this invention is difficult for causing in the running.Meanwhile, can also be extended the working life of the bearing of fan inside.In addition, fan disclosed in this invention need to be by axis direction by air intake, thereby can in application, have preferably flexibility.
Although the present invention is disclosed in preferred embodiment; yet it is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; should do a little change and retouching, so protection scope of the present invention should be as the criterion depending on the scope person of defining of appending claims.
Claims (10)
1. a fan, this fan comprises:
One stator;
One rotor, this rotor is sheathed on this stator, and with respect to this stator rotation, wherein, one first circumferential flank surface of this rotor forms a plurality of the first microstructures, and when this rotor rotates, and these first microstructures are dragged and are drawn air and produce circulating air flow; And
One fan frame, this coated this stator of fan frame and this rotor.
2. fan as claimed in claim 1, wherein, these first microstructures comprise a plurality of projections or a plurality of groove.
3. fan as claimed in claim 1, also comprise a disk, this disk is arranged among this fan frame, and be connected in this first circumferential flank surface of this rotor, wherein, one second circumferential flank surface of this disk forms a plurality of the second microstructures, and when this rotor rotates, and these first microstructures and these the second microstructures are dragged and drawn air and produce circulating air flow.
4. fan as claimed in claim 3, wherein, these second microstructures comprise a plurality of projections and a plurality of groove.
5. a fan, this fan comprises:
One first stator;
One the first rotor, this first rotor is sheathed on this first stator, and with respect to this first stator rotation, wherein, one first circumferential flank surface of this first rotor forms a plurality of the first microstructures;
One second stator, this second stator is interval in this first stator side by side;
One second rotor, this second rotor is sheathed on this second stator, and with respect to this second stator rotation, wherein, this bitrochanteric one second circumferential flank surface forms a plurality of the second microstructures, and when this first rotor and this second rotor rotate, these first microstructures and these the second microstructures are dragged and are drawn air and produce circulating air flow; And
One fan frame, coated this first stator of this fan frame, this first rotor, this second stator and this second rotor.
6. fan as claimed in claim 5, wherein, these first microstructures comprise a plurality of projections or a plurality of groove.
7. fan as claimed in claim 5, wherein, these second microstructures comprise a plurality of projections or a plurality of groove.
8. fan as claimed in claim 5, also comprise one first disk and one second disk, this first disk and this second disk are arranged among this fan frame, wherein, this first disk is connected in this first circumferential flank surface of this first rotor, this second disk is connected in this bitrochanteric this second circumferential flank surface, one the 3rd circumferential flank surface of this first disk forms a plurality of the 3rd microstructures, one 4th week of this second disk forms a plurality of the 4th microstructures to side surface, and when this first rotor and the rotation of this second rotor, these first microstructures, these second microstructures, these grade in an imperial examination three microstructures and this grade in an imperial examination four microstructures are dragged and are drawn air and produce circulating air flow.
9. fan as claimed in claim 8, wherein, these grade in an imperial examination three microstructures comprise a plurality of projections or a plurality of groove.
10. fan as claimed in claim 8, wherein, these grade in an imperial examination four microstructures comprise a plurality of projections or a plurality of groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195748.7A CN104179724A (en) | 2013-05-23 | 2013-05-23 | Fan |
| TW102122107A TWI525295B (en) | 2013-05-23 | 2013-06-21 | Fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195748.7A CN104179724A (en) | 2013-05-23 | 2013-05-23 | Fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104179724A true CN104179724A (en) | 2014-12-03 |
Family
ID=51961004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310195748.7A Pending CN104179724A (en) | 2013-05-23 | 2013-05-23 | Fan |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104179724A (en) |
| TW (1) | TWI525295B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089618A (en) * | 1974-07-02 | 1978-05-16 | Rotron Incorporated | Fan with noise reduction |
| CN1241248A (en) * | 1997-09-30 | 2000-01-12 | 大金工业株式会社 | Centrifugal blower, method of mfg. same, and air-conditioner provided with same |
| JP2002021780A (en) * | 2000-07-03 | 2002-01-23 | Seiko Epson Corp | Centrifugal fan and electronic apparatus using it |
| CN1813134A (en) * | 2003-06-23 | 2006-08-02 | 松下电器产业株式会社 | Centrifugal fan and apparatus using the same |
| CN1914424A (en) * | 2004-09-30 | 2007-02-14 | 大金工业株式会社 | Impeller for blower and air conditioner having the same |
| JP2009085046A (en) * | 2007-09-28 | 2009-04-23 | Nippon Densan Corp | Fan device |
-
2013
- 2013-05-23 CN CN201310195748.7A patent/CN104179724A/en active Pending
- 2013-06-21 TW TW102122107A patent/TWI525295B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089618A (en) * | 1974-07-02 | 1978-05-16 | Rotron Incorporated | Fan with noise reduction |
| CN1241248A (en) * | 1997-09-30 | 2000-01-12 | 大金工业株式会社 | Centrifugal blower, method of mfg. same, and air-conditioner provided with same |
| JP2002021780A (en) * | 2000-07-03 | 2002-01-23 | Seiko Epson Corp | Centrifugal fan and electronic apparatus using it |
| CN1813134A (en) * | 2003-06-23 | 2006-08-02 | 松下电器产业株式会社 | Centrifugal fan and apparatus using the same |
| CN1914424A (en) * | 2004-09-30 | 2007-02-14 | 大金工业株式会社 | Impeller for blower and air conditioner having the same |
| JP2009085046A (en) * | 2007-09-28 | 2009-04-23 | Nippon Densan Corp | Fan device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI525295B (en) | 2016-03-11 |
| TW201445091A (en) | 2014-12-01 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141203 |
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| WD01 | Invention patent application deemed withdrawn after publication |