TWI414683B - Improved structure for fan case - Google Patents
Improved structure for fan case Download PDFInfo
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- TWI414683B TWI414683B TW99123584A TW99123584A TWI414683B TW I414683 B TWI414683 B TW I414683B TW 99123584 A TW99123584 A TW 99123584A TW 99123584 A TW99123584 A TW 99123584A TW I414683 B TWI414683 B TW I414683B
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Abstract
Description
本發明係有關於一種風扇殼體結構，特別係有關於一種可降低入風處流場壓力及紊流的風扇殼體改良結構。
The present invention relates to a fan casing structure, and more particularly to an improved fan casing structure that can reduce flow field pressure and turbulence at the inlet.
如第1圖所示，習知風扇殼體結構10係至少包含一定子承座11、一圍繞該定子承座11之外環部12、至少一形成於該定子承座11及該外環部12之間的進風口13以及至少一連接肋14，該定子承座11係具有一承座表面11a，該外環部12係具有一上表面12a，該連接肋14係連接該定子承座11及該外環部12且位於該進風口13，該連接肋14係具有一連接肋表面14a，由於該定子承座11之該承座表面11a、該外環部12之該上表面12a及該連接肋14之該連接肋表面14a係為共平面，因此當該風扇殼體結構10組設於一扇輪300，且該扇輪300被驅動時，空氣係會在該連接肋14之連接肋表面14a形成流場壓力及產生紊流，使得風扇噪音大且影響風扇散熱效果。
As shown in FIG. 1 , the conventional fan casing structure 10 includes at least a certain sub-seat 11 , a ring portion 12 surrounding the stator socket 11 , at least one formed on the stator socket 11 and the outer ring portion The air inlet 13 between the 12 and the at least one connecting rib 14 have a bearing surface 11a, the outer ring portion 12 having an upper surface 12a, the connecting rib 14 is connected to the stator socket 11 And the outer ring portion 12 is located at the air inlet 13 , the connecting rib 14 has a connecting rib surface 14 a , due to the bearing surface 11 a of the stator socket 11 , the upper surface 12 a of the outer ring portion 12 and the The connecting rib surface 14a of the connecting rib 14 is coplanar, so when the fan casing structure 10 is assembled to a fan wheel 300, and the fan wheel 300 is driven, the air system is connected to the connecting rib 14 The surface 14a forms a flow field pressure and generates turbulence, which makes the fan noise large and affects the fan heat dissipation effect.
本發明之主要目的係在於提供一種風扇殼體改良結構，其係用以組設一扇輪，該風扇殼體改良結構至少包含有一第一基板、一第二基板以及至少一連接肋，該第一基板係具有一第一上表面及一對應該第一上表面之第一下表面，該第二基板係圍繞該第一基板，且在該第一基板及該第二基板之間係形成有至少一進風口，該第二基板係具有一第二上表面及一對應該第二上表面之第二下表面，該連接肋係設置於該進風口，且該連接肋之二端係分別連接該第一基板及該第二基板，該連接肋係具有一第三上表面及一對應該第三上表面之第三下表面，其中該第一下表面、該第二下表面及該第三下表面係朝向該扇輪，且該連接肋之該第三上表面係低於該第二基板之該第二上表面及該第一基板之該第一上表面。因此，當該扇輪轉動，使氣體經由該進風口被吸入時，由於該連接肋之該第三上表面係低於該第二基板之該第二上表面及該第一基板之該第一上表面，所以空氣不會在該連接肋形成流場壓力及紊流，本發明係可減少空氣在該進風口流動的阻礙，以達到降低風扇噪音之功效。
The main purpose of the present invention is to provide a fan housing improved structure for assembling a fan wheel. The fan housing improved structure includes at least a first substrate, a second substrate, and at least one connecting rib. a substrate having a first upper surface and a first lower surface corresponding to the first upper surface, the second substrate surrounding the first substrate, and between the first substrate and the second substrate At least one air inlet, the second substrate has a second upper surface and a second lower surface corresponding to the second upper surface, the connecting rib is disposed at the air inlet, and the two ends of the connecting rib are respectively connected The first substrate and the second substrate have a third upper surface and a third lower surface corresponding to the third upper surface, wherein the first lower surface, the second lower surface, and the third The lower surface is oriented toward the fan wheel, and the third upper surface of the connecting rib is lower than the second upper surface of the second substrate and the first upper surface of the first substrate. Therefore, when the fan wheel rotates to allow gas to be drawn through the air inlet, the third upper surface of the connecting rib is lower than the second upper surface of the second substrate and the first surface of the first substrate The upper surface, so the air does not form flow field pressure and turbulence at the connecting rib. The present invention can reduce the obstruction of air flow at the air inlet to achieve the effect of reducing fan noise.
請參閱第2、3、4及5圖，其係本發明之第一較佳實施例，一種風扇殼體改良結構100，其係用以組設一扇輪300，該風扇殼體改良結構100至少包含有一第一基板110、一第二基板120以及至少一連接肋130，該第一基板110係具有一第一上表面111及一對應該第一上表面111之第一下表面112，該第二基板120係圍繞該第一基板110，且該第一基板110及該第二基板120之間係形成有至少一進風口140，該第二基板120係具有一第二上表面121及一對應該第二上表面121之第二下表面122，在本實施例中，該第二基板120之該第二上表面121及該第一基板110之該第一上表面111係略為共平面，該連接肋130係設置於該進風口140，且該連接肋130之二端係分別連接該第一基板110及該第二基板120，該連接肋130係具有一第三上表面131及一對應該第三上表面131之第三下表面132，其中該第一下表面112、該第二下表面122及該第三下表面132係朝向該扇輪300，且該連接肋130之該第三上表面131係低於該第二基板120之該第二上表面121及該第一基板110之該第一上表面111，在本實施例中，該連接肋130之該第三上表面131與該第一基板110之該第一上表面111之間的高度差係在1-1.5mm之間，該連接肋130之該第三上表面131與該第二基板120之該第二上表面121之間的高度差係在1-1.5mm之間。請參閱第4及5圖，在本實施例中，該連接肋130之該第三下表面132係低於該第二基板120之該第二下表面122及該第一基板110之該第一下表面112，且該連接肋130之該第三上表面131亦低於該第二基板120之該第二下表面122及該第一基板110之該第一下表面112。Referring to Figures 2, 3, 4 and 5, which are a first preferred embodiment of the present invention, a fan housing improvement structure 100 for assembling a fan wheel 300, the fan housing improvement structure 100 The first substrate 110 has a first upper surface 111 and a first lower surface 112 corresponding to the first upper surface 111, and the first substrate 110 has at least one connecting rib 130. The second substrate 120 is surrounded by the first substrate 110, and at least one air inlet 140 is formed between the first substrate 110 and the second substrate 120. The second substrate 120 has a second upper surface 121 and a Corresponding to the second lower surface 122 of the second upper surface 121, in the embodiment, the second upper surface 121 of the second substrate 120 and the first upper surface 111 of the first substrate 110 are slightly coplanar. The connecting ribs 130 are disposed on the air inlet 140, and the two ends of the connecting ribs 130 are respectively connected to the first substrate 110 and the second substrate 120. The connecting ribs 130 have a third upper surface 131 and a pair. The third lower surface 132 of the third upper surface 131, wherein the first lower surface 112, the first The second lower surface 122 and the third lower surface 132 are opposite to the fan wheel 300 , and the third upper surface 131 of the connecting rib 130 is lower than the second upper surface 121 of the second substrate 120 and the first substrate In the present embodiment, the height difference between the third upper surface 131 of the connecting rib 130 and the first upper surface 111 of the first substrate 110 is 1-1.5 mm. The height difference between the third upper surface 131 of the connecting rib 130 and the second upper surface 121 of the second substrate 120 is between 1 and 1.5 mm. Referring to FIGS. 4 and 5 , in the embodiment, the third lower surface 132 of the connecting rib 130 is lower than the second lower surface 122 of the second substrate 120 and the first surface of the first substrate 110 . The lower surface 112, and the third upper surface 131 of the connecting rib 130 is also lower than the second lower surface 122 of the second substrate 120 and the first lower surface 112 of the first substrate 110.
請再參閱第3圖，由於該連接肋130之該第三上表面131係低於該第二基板120之該第二上表面121及該第一基板110之該第一上表面111，因此，當該扇輪300轉動，使氣體經由該進風口140被吸入時，由於該連接肋130之該第三上表面131係低於該第二基板120之該第二上表面121及該第一基板110之該第一上表面111，所以空氣不會在該連接肋130之該第三上表面131形成流場壓力及紊流，可減少空氣在該進風口140流動的阻礙，以達到降低風扇噪音之功效。Referring to FIG. 3 , the third upper surface 131 of the connecting rib 130 is lower than the second upper surface 121 of the second substrate 120 and the first upper surface 111 of the first substrate 110 . When the fan wheel 300 is rotated to allow gas to be drawn through the air inlet 140, the third upper surface 131 of the connecting rib 130 is lower than the second upper surface 121 of the second substrate 120 and the first substrate. The first upper surface 111 of the 110, so that air does not form flow field pressure and turbulence on the third upper surface 131 of the connecting rib 130, which can reduce the obstruction of air flowing in the air inlet 140, thereby reducing fan noise. The effect.
請再參閱第2圖，在本實施例中，該第一基板110係為定子承座，且該第一基板110係具有一軸孔113以組設一定子（圖未繪出），且該風扇殼體改良結構100係為一蓋體，或者，請參閱第6圖，其係本發明之第二較佳實施例，該風扇殼體改良結構100係可為一底座，且該風扇殼體改良結構100另包含有一環牆150，該第一基板110、該第二基板120及該環牆150係形成一容室160，該扇輪300係容置該容室160中，且該連接肋130亦位於該容室160中。Referring to FIG. 2 again, in the embodiment, the first substrate 110 is a stator socket, and the first substrate 110 has a shaft hole 113 to form a stator (not shown), and the fan The housing improvement structure 100 is a cover, or, referring to FIG. 6, which is a second preferred embodiment of the present invention, the fan housing improvement structure 100 can be a base, and the fan housing is improved. The structure 100 further includes a ring wall 150. The first substrate 110, the second substrate 120 and the ring wall 150 form a chamber 160. The fan wheel 300 is received in the chamber 160, and the connecting rib 130 It is also located in the chamber 160.
請參閱第7圖，其係本發明之第三較佳實施例，一種風扇殼體改良結構200，該風扇殼體改良結構200與第一較佳實施例、第二較佳實施例之該風扇殼體改良結構100相同，至少包含有一第一基板210、一第二基板220以及至少一連接肋230，該第一基板210係具有一第一上表面211及一對應該第一上表面211之第一下表面212，該第二基板220係圍繞該第一基板210，且該第一基板210及該第二基板220之間係形成有至少一進風口240，該第二基板220係具有一第二上表面221及一對應該第二上表面221之第二下表面222，該連接肋230係設置於該進風口240，該連接肋230係具有一第三上表面231及一第三下表面232，該風扇殼體改良結構200與第一較佳實施例、第二較佳實施例之該風扇殼體改良結構100之差異在於該連接肋230係另具一連接該第三上表面231之導斜面233，該導斜面233係低於該連接肋230之該第三上表面231，以減少空氣在該進風口240流動的阻礙，以達到降低風扇噪音之功效。Referring to FIG. 7, which is a third preferred embodiment of the present invention, a fan housing improvement structure 200, the fan housing improvement structure 200 and the fan of the first preferred embodiment and the second preferred embodiment The housing improvement structure 100 is identical, and includes at least a first substrate 210, a second substrate 220, and at least one connecting rib 230. The first substrate 210 has a first upper surface 211 and a pair of first upper surfaces 211. a first lower surface 212, the second substrate 220 is surrounding the first substrate 210, and at least one air inlet 240 is formed between the first substrate 210 and the second substrate 220, and the second substrate 220 has a The second upper surface 221 and the second lower surface 222 of the second upper surface 221 are disposed on the air inlet 240. The connecting rib 230 has a third upper surface 231 and a third lower surface. The difference between the fan housing modification structure 200 and the fan housing modification structure 100 of the first preferred embodiment and the second preferred embodiment is that the connecting rib 230 has a connection with the third upper surface 231. a guiding slope 233, the guiding slope 233 is lower than the connecting rib The third upper surface 231 of 230 reduces the obstruction of air flow at the air inlet 240 to achieve the effect of reducing fan noise.
請參閱第8圖，其係本發明之第四較佳實施例，一種風扇殼體改良結構100，該風扇殼體改良結構100與第一較佳實施例、第二較佳實施例之該風扇殼體改良結構100相同，其差異僅在於該連接肋130係具有至少一貫穿該連接肋130之該第三上表面131及該第三下表面132之通孔133，以減少空氣在該進風口140流動的阻礙，以達到降低風扇噪音之功效。Referring to FIG. 8, which is a fourth embodiment of the present invention, a fan housing improvement structure 100, the fan housing improvement structure 100, and the fan of the first preferred embodiment and the second preferred embodiment The housing improvement structure 100 is the same except that the connecting rib 130 has at least one through hole 133 extending through the third upper surface 131 and the third lower surface 132 of the connecting rib 130 to reduce air at the air inlet. 140 flow barriers to reduce fan noise.
本發明之保護範圍當視後附之申請專利範圍所界定者為準，任何熟知此項技藝者，在不脫離本發明之精神和範圍內所作之任何變化與修改，均屬於本發明之保護範圍。
The scope of the present invention is defined by the scope of the appended claims, and any changes and modifications made by those skilled in the art without departing from the spirit and scope of the invention are within the scope of the present invention. .
10‧‧‧風扇殼體結構10‧‧‧Fan shell structure
11‧‧‧定子承座11‧‧‧ stator holder
11a‧‧‧承座表面11a‧‧‧ Seat surface
12‧‧‧外環部12‧‧‧Outer Rings
12a‧‧‧上表面12a‧‧‧Upper surface
13‧‧‧進風口13‧‧‧Air inlet
14‧‧‧連接肋14‧‧‧ Connecting ribs
14a‧‧‧連接肋表面14a‧‧‧ Connecting rib surface
100‧‧‧風扇殼體改良結構100‧‧‧Fan shell improved structure
110‧‧‧第一基板110‧‧‧First substrate
111‧‧‧第一上表面111‧‧‧First upper surface
112‧‧‧第一下表面112‧‧‧First lower surface
113‧‧‧軸孔113‧‧‧Axis hole
120‧‧‧第二基板120‧‧‧second substrate
121‧‧‧第二上表面121‧‧‧Second upper surface
122‧‧‧第二下表面122‧‧‧Second lower surface
130‧‧‧連接肋130‧‧‧ Connecting ribs
131‧‧‧第三上表面131‧‧‧ third upper surface
132‧‧‧第三下表面132‧‧‧ Third lower surface
133‧‧‧通孔133‧‧‧through hole
140‧‧‧進風口140‧‧‧Air inlet
150‧‧‧環牆150‧‧‧ ring wall
160‧‧‧容室160‧‧ ‧ room
200‧‧‧風扇殼體改良結構200‧‧‧Fan shell improved structure
210‧‧‧第一基板210‧‧‧First substrate
211‧‧‧第一上表面211‧‧‧ first upper surface
212‧‧‧第一下表面212‧‧‧First lower surface
220‧‧‧第二基板220‧‧‧second substrate
221‧‧‧第二上表面221‧‧‧Second upper surface
222‧‧‧第二下表面222‧‧‧Second lower surface
230‧‧‧連接肋230‧‧‧ Connecting ribs
231‧‧‧第三上表面231‧‧‧ third upper surface
232‧‧‧第三下表面232‧‧‧ Third lower surface
233‧‧‧導斜面233‧‧‧Bevel
240‧‧‧進風口240‧‧‧air inlet
300‧‧‧扇輪300‧‧‧fan wheel
第1圖：習知風扇殼體結構示意圖。
第2圖：依據本發明之第一較佳實施例，一種風扇殼體改良結構組設於扇輪之立體分解圖。
第3圖：依據本發明之第一較佳實施例，該風扇殼體改良結構組設於扇輪之立體圖。
第4圖：依據本發明之第一較佳實施例，該風扇殼體改良結構之立體剖視圖。
第5圖：依據本發明之第一較佳實施例，該風扇殼體改良結構之截面示意圖。
第6圖：依據本發明之第二較佳實施例，一種風扇殼體改良結構組設於扇輪之立體分解圖。
第7圖：依據本發明之第三較佳實施例，一種風扇殼體改良結構示意圖。
第8圖：依據本發明之第四較佳實施例，一種風扇殼體改良結構示意圖。Figure 1: Schematic diagram of a conventional fan housing structure.
2 is a perspective exploded view of a modified structure of a fan casing assembled to a fan wheel according to a first preferred embodiment of the present invention.
Fig. 3 is a perspective view showing the improved structure of the fan casing in a fan wheel according to a first preferred embodiment of the present invention.
Figure 4 is a perspective, cross-sectional view showing the improved structure of the fan casing in accordance with a first preferred embodiment of the present invention.
Figure 5 is a cross-sectional view showing a modified structure of the fan casing in accordance with a first preferred embodiment of the present invention.
Figure 6 is a perspective exploded view of a modified structure of a fan casing assembled to a fan wheel in accordance with a second preferred embodiment of the present invention.
Figure 7 is a schematic view showing a modified structure of a fan casing according to a third preferred embodiment of the present invention.
Figure 8 is a schematic view showing a modified structure of a fan casing in accordance with a fourth preferred embodiment of the present invention.
100‧‧‧風扇殼體改良結構100‧‧‧Fan shell improved structure
110‧‧‧第一基板110‧‧‧First substrate
111‧‧‧第一上表面111‧‧‧First upper surface
112‧‧‧第一下表面112‧‧‧First lower surface
113‧‧‧軸孔113‧‧‧Axis hole
120‧‧‧第二基板120‧‧‧second substrate
121‧‧‧第二上表面121‧‧‧Second upper surface
122‧‧‧第二下表面122‧‧‧Second lower surface
130‧‧‧連接肋130‧‧‧ Connecting ribs
131‧‧‧第三上表面131‧‧‧ third upper surface
132‧‧‧第三下表面132‧‧‧ Third lower surface
140‧‧‧進風口140‧‧‧Air inlet
300‧‧‧扇輪300‧‧‧fan wheel
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW99123584A TWI414683B (en) | 2010-07-16 | 2010-07-16 | Improved structure for fan case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW99123584A TWI414683B (en) | 2010-07-16 | 2010-07-16 | Improved structure for fan case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201204936A TW201204936A (en) | 2012-02-01 |
| TWI414683B true TWI414683B (en) | 2013-11-11 |
Family
ID=46761430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW99123584A TWI414683B (en) | 2010-07-16 | 2010-07-16 | Improved structure for fan case |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI414683B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI234612B (en) * | 2004-02-20 | 2005-06-21 | Sunonwealth Electr Mach Ind Co | Housing for a heat dissipating fan |
| EP1619393A2 (en) * | 2004-07-21 | 2006-01-25 | Delta Electronics, Inc. | Fan assembly and fan frame thereof |
| TW200702559A (en) * | 2005-07-01 | 2007-01-16 | Foxconn Tech Co Ltd | Blower |
| US7306429B2 (en) * | 2005-01-03 | 2007-12-11 | Sunonwealth Electric Machine Industry Co., Ltd. | Axial-flow heat-dissipating fan |
| JP2009162098A (en) * | 2008-01-04 | 2009-07-23 | Nippon Densan Corp | Axial flow fan |
-
2010
- 2010-07-16 TW TW99123584A patent/TWI414683B/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI234612B (en) * | 2004-02-20 | 2005-06-21 | Sunonwealth Electr Mach Ind Co | Housing for a heat dissipating fan |
| EP1619393A2 (en) * | 2004-07-21 | 2006-01-25 | Delta Electronics, Inc. | Fan assembly and fan frame thereof |
| US7306429B2 (en) * | 2005-01-03 | 2007-12-11 | Sunonwealth Electric Machine Industry Co., Ltd. | Axial-flow heat-dissipating fan |
| TW200702559A (en) * | 2005-07-01 | 2007-01-16 | Foxconn Tech Co Ltd | Blower |
| JP2009162098A (en) * | 2008-01-04 | 2009-07-23 | Nippon Densan Corp | Axial flow fan |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201204936A (en) | 2012-02-01 |
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