TW201014980A - Centrifugal fan - Google Patents

Centrifugal fan Download PDF

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Publication number
TW201014980A
TW201014980A TW97137736A TW97137736A TW201014980A TW 201014980 A TW201014980 A TW 201014980A TW 97137736 A TW97137736 A TW 97137736A TW 97137736 A TW97137736 A TW 97137736A TW 201014980 A TW201014980 A TW 201014980A
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Taiwan
Prior art keywords
fan
air inlet
centrifugal fan
casing
centrifugal
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TW97137736A
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Chinese (zh)
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TWI402425B (en
Inventor
Ming-Yang Hsiao
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Pegatron Corp
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Publication of TWI402425B publication Critical patent/TWI402425B/en

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Abstract

The present invention provides a centrifugal fan. The centrifugal fan includes a fan wheel, a housing, and an auxiliary inlet flow channel. The fan wheel is rotatably disposed in the housing. The housing includes a first inlet, an outlet, and a second inlet. The auxiliary inlet flow channel passes through the housing via the second inlet and is disposed that is adapted to the fan wheel to make the airflow to flow toward the outlet.

Description

201014980 九、發明說明: 【發明所屬之技術領域】 本發明係關於一種離心式風扁 風口之離心式風扇。 ’、特別是關於具有辅助入 【先前技藝】 e ❹ 一般而言,可攜式電子裝置, (notebook),為了能發揮其最大的效兀:f記型電腦 行有效的散熱。若熱量聚集在設備内 有散熱模組進 法正===個 預留出足狗的自然對流空間。由於高頻部 士已面臨相當的瓶頸’為有效排除該熱量,往往 ϊ二ί流S熱電腦的散熱模組逐漸朝向以離心 請參閱圖-。圖-係繪示-習知之離心式風扇之立體结 構圖。如圖一所示,此離心式風扇丨係適用於可攜式電子裝 置,例如筆§己型電腦,且此離心式風扇1至少包含渦型外殼 10及風扇葉片12。渦型外殼1〇具有渦型侧板1〇〇以及底板 102 ’且渦型外殼10定義出腔體104及出風口 1〇6,其中腔 體104與出風口 106係形成渦型流道105,而出風口 處 之一侧的渦型侧板100則成舌口形狀1〇〇〇。風扇葉片12係 垂直軸2設於腔體1〇4之底板1〇2之上’且風扇葉片12係平 行於垂直軸2。當風扇葉片12轉動時,風扇葉片.12所驅動 之水平方向氣流’經由渦型流道105產生動壓與靜壓而將水 5 201014980 面漸ίίίΐ習知之出風口106處係利用固定截面之曲 1002 i平行^t 1(Τ處之渦型側板_的表面 9〇。,使氣體流動而產生動壓之^為 靜壓來抵抗外部阻力,達^熱的效果撕有足夠之動㈣ ^流場受___而造朗樣位i ξ風=^離心式風扇較遠熱元件無法有效地透== 【發明内容】 ❹ 主要ΐίίΐ二範,i於提供—種離心式風扇。離心式風扇 輪殼體 ==道出 ⑽^透聽,她合扇輪 本發明之另-範缚在於提供„種離心式風扇。離心 ΐίΐ包ίί扇輪、殼體以及管體。扇輪係可轉動地設置: 包含有人風口以及出風^管體部分地從第二 口風口伸人⑨_,並配合扇輪設置使人風氣流流向出風 •^風據本U之離心式風扇,其係可在傳統之離心 式風扇原本的人風η以外的區域新增—處或—處以上的入風 201014980 置 口。並且,本發明所提出之離心式風扇 ==助入風流道’隔板自新增的入風心 ===道並可包含設置於殼體外 藉此,本發明所提出之離心式風扇 附近之主要發熱元件進行散熱之外可 於其 流道延伸至距離離心式風扇較遠的發執元入風 參 =二:流體分隔結構將熱平順地導引至:;風扇、= 附圖㈣侧f嶋及所 【實施方式】 本發明之範脅旨在提供一離心式風扇。其主 離心ί風扇原本的人風σ以外的區域新增-處或-處以 口 ’並且配合_人風流道增加對於各處之執界的 及熱此力。以下將詳述本發明之較佳具體實施例, 解說本發明之特徵、精神、優點以及實施上的簡便性Η。刀 曰參閱圖二與圖三。圖二係繪示根據本發明之第一輕# ^體只施γ狀離心式風扇3的讀組合圖。圖三示 中之離心式風扇3沿秘32之軸向A1的立齡_。^ 忒ϊ肩佳具體實施例之離心式風屬3 ^ 3 有屬輪(fan wheel) 32、殼體(h〇using) 3〇 以及 (tube) 34。扇輪32係可轉動地設置於殼體3〇令。 風扇3之殼體30主要包含有第-入風口(論)3_、出^ 口(outlet) 3002以及第二入風口 3_。殼體3〇上之第 風口 3000係形成於扇輪32之轴向A1。殼體%上之出風〇 201014980 =2係形成於扇輪32之徑向(未標 之第二入風口·係形成於扇輪32之周邊處U 〇上 上述之管體34係部分地從殼體% =作為辅助入風流道(二二: 的^)¥^^為’以最大的氣流導引力量將管體34内 ^工風抓體抽進離心式風扇3的殼體3〇 Θ,並順著殼體卯 i=^=L3GG2排出,上述之管體34插人殼體%内 動設置使入風氣流朝向出風口遞流 殼體30中之扇輪32轉動時,空氣流 ΐΐ 械之離心式風扇3皆具有的第—人風口 3000 ,風之外,更可以從於離心式風扇3之殼體3G上額外設置之 f—入風σ 憑藉著管體34的導引而進風。藉此,只要 特別針對管體34進行外型上與尺寸上的設計,即可依照需求 =上述之官體34朝向特定的方向’或於離心式風扇3之殼 -0外延伸至特定距離遠之處進行吸熱的行為。 ❹ 於第一較佳具體實施例中,根據本發明在殼體3〇上於扇 輪32之周邊處所設置之第二入風口 3〇4〇的數目為僅只一 個。然而於實際應用中,在殼體3〇上於扇輪32之周邊處設 第二入風口 3040的數目並不限於一個。換言之,可依照 設計上的需求(例如,因應至少一個發熱元件)而設置一個 以上的第二入風口 3〇4〇。 ±請參閱圖三,由圖三可以清楚地得知,離心式風扇3之 设體30可以進一步包含有基座302、侧壁304以及上蓋 306。上述之扇輪32可以進一步可轉動地設置於殼體3〇之基 座302。殼艟30之側壁304係設置於基座302之邊緣並環繞 扇輪32。並且’上述之出風口 3〇〇2係形成於侧壁3〇4。殼體 201014980 3〇之上蓋306係設置以與側壁3〇4銜接並覆蓋於扇輪32上 方。並且,上述之第一入風口 3〇〇〇可以形成於上蓋3〇6。 在此要說明的是,於第一較佳具體實施例中,根據本發 明在殼體30上於扇輪32之周邊處所設置之第二入風口 3040,,進一步形成於殼體3〇之側壁3〇4上,但並不以此為 ❹ ❹ ^。Ϊ 5之於實際應用中,在殼體30上於扇輪32之周邊 处所δ又置之第二入風口 3040,亦可以選擇性地形成於殼體3〇 之基座302上或者是上蓋3〇6上。當然,在殼體3〇上於扇輪 32之周邊處所設置之第二入風口 3〇4〇 ,還可以選擇性地形成 於側壁304與基座302之間’或者形成於上蓋遍與侧壁 304之間。亦即’第二入風口 3_的一部分係由殼體之 :壁二:形成’並且第二入風口麗的另一部分係由殼體 之土座^02形成;或者第二入風口 3〇4()的一部分係由殼 蓋306形成,並且第二入風口抑4〇的另一部分係 由忒體30之側壁304形成。 的是’於第—較佳频實施例巾,上述之殼 —^基座302、側壁3〇4以及上蓋3〇6係以組裝的方式進 ΐΐ二ΐίΐ以此為限。換言之,於實際應用中,為了在 ίίΐΐΪ精間程序、降低成本,抑或是減少因組裝件過多 成後,的維修問題’上述之殼體3G之基座搬、侧壁 3〇4以及上蓋3〇6亦可以透過一體成形的方式製造。 閱圖四與圖五。圖四係繪示根據本發明之第二較佳 ίίΪ ί之離心式風扇5的立體組合圖。圖五鱗示圖四 扇5沿扇輪52之軸向Α2的立體分解圖。如圖 勺入Ϊ扁本?明之第二較佳具體實施例之離心式風扇5 、设體50以及輔助入風流道扇輪52係可 °又置於设體50中。殼體50包含有第一入風口 5000以 9 201014980 iH5GG2。殼體5G上之第—人風口 5_ _成於靜 之徑向上(未標祕|巾)。之歧"通係形成於扇輪幻 52 Λ此^H觸是,上叙獅人顺道54係由扇輪 52之周邊處之殼體5〇向外設置。並且,上述 = 體%之畴可透過第二人風卩觸相通,如圖^ ί 當位贿體5〇中之扇輪52 _時,空氣201014980 IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to a centrifugal fan of a centrifugal wind flat air outlet. ‘In particular, it’s about assisting with the previous technology. e ❹ In general, portable electronic devices (notebooks), in order to maximize their effectiveness: f-type computers are effective in heat dissipation. If the heat is concentrated in the device, there is a heat dissipation module. Positive === A natural convection space for the dog is reserved. Since the high-frequency department has faced a considerable bottleneck, in order to effectively eliminate the heat, the heat-dissipating module of the computer is gradually oriented toward the centrifuge. Figure - is a three-dimensional block diagram of a conventional centrifugal fan. As shown in Fig. 1, the centrifugal fan system is suitable for a portable electronic device, such as a pen type computer, and the centrifugal fan 1 includes at least a volute casing 10 and fan blades 12. The volute casing 1 〇 has a vortex side plate 1 〇〇 and a bottom plate 102 ′ and the volute casing 10 defines a cavity 104 and an air outlet 1 〇 6 , wherein the cavity 104 and the air outlet 106 form a vortex flow passage 105 , The vortex side plate 100 on one side of the air outlet has a tongue shape of 1 〇〇〇. The fan blades 12 are disposed such that the vertical shaft 2 is disposed above the bottom plate 1〇2 of the cavity 1〇4 and the fan blades 12 are parallel to the vertical axis 2. When the fan blade 12 rotates, the horizontal airflow driven by the fan blade .12 generates dynamic pressure and static pressure through the vortex flow passage 105 to make the water 5 201014980 surface. The air outlet 106 is fixed by the fixed section. 1002 i parallel ^t 1 (the surface of the vortex side plate _ at the Τ 〇 9 〇 , , 使 使 使 使 , , , , , , , , , 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体 气体The field is subject to ___ and the appearance of the sample i ξ风=^ Centrifugal fan is far away from the heat element can not effectively pass through == [Inventive content] ❹ Main ΐ ίίΐ 二范, i provides a centrifugal fan. Centrifugal fan Wheel housing == 道 (10) ^ Through listening, she combined with the fan wheel Another aspect of the invention is to provide a kind of centrifugal fan. Centrifugal ΐ ΐ ί ί 扇 扇 扇 壳体 壳体 壳体 壳体 。 。 。 。 。 。 。 。 。 。 。 。 。 扇 扇 扇 扇 扇Setting: Contains some air outlets and air outlets. The tube body partially extends from the second air outlet 9_, and cooperates with the fan wheel to make the wind flow to the wind. • The wind fan according to this U can be used in the traditional The area other than the original wind η of the centrifugal fan is added - at or above The inlet fan 201014980 is in the mouth. Moreover, the centrifugal fan of the present invention == assisting the wind channel 'the partition plate from the newly added air inlet core === track and may be disposed outside the casing, thereby proposed by the present invention The main heating element near the centrifugal fan can dissipate heat in addition to the flow path extending farther from the centrifugal fan. The fluid separation structure guides the heat smoothly to: the fan, = Figure (4) Side f嶋 and [Embodiment] The present invention is intended to provide a centrifugal fan. The main centrifugal ί fan is added to the area other than the original human wind σ-- or - at the mouth' and cooperates _ Human wind tunnels are added to the dedication and heat of the various places. The preferred embodiments of the present invention will be described in detail below to explain the features, spirit, advantages and ease of implementation of the present invention. 2 and FIG. 3. FIG. 2 is a diagram showing the read combination of the first γ-shaped centrifugal fan 3 according to the first light body of the present invention. The centrifugal fan 3 shown in FIG. 3 is along the axis A1 of the secret 32. The age of the _.^ 忒ϊ 佳佳 The specific embodiment of the centrifugal wind belongs to 3 ^ 3 A fan wheel 32, a casing (3) and a tube 34. The fan wheel 32 is rotatably disposed in the casing 3. The casing 30 of the fan 3 mainly includes a first-in The tuyere (discussion) 3_, the outlet (outlet) 3002 and the second air inlet 3_. The first tuyere 3000 on the casing 3 is formed in the axial direction A1 of the fan wheel 32. The airflow on the casing % is 201014980 = 2 is formed in the radial direction of the fan wheel 32 (the second air inlet which is not marked is formed at the periphery of the fan wheel 32. The above-mentioned pipe body 34 is partially from the casing % = as the auxiliary air inlet passage ( 22: ^) ¥^^ is 'with the maximum airflow guiding force to pump the body of the pipe body 34 into the casing 3 of the centrifugal fan 3, and along the casing 卯i=^ = L3GG2 is discharged, and the above-mentioned pipe body 34 is inserted into the casing and the inner air is arranged to rotate the fan airflow toward the fan wheel 32 in the air outlet casing 30, and the centrifugal fan 3 of the air flow mechanism has the first - The human air outlet 3000, in addition to the wind, can be additionally introduced from the casing 3G of the centrifugal fan 3 by the inlet air σ by the guide of the pipe body 34. Therefore, as long as the outer shape and the size of the tubular body 34 are specifically designed, it can be extended to a specific distance according to the requirement that the above-mentioned official body 34 faces a specific direction or outside the shell-0 of the centrifugal fan 3. Where the endothermic behavior occurs. In a first preferred embodiment, the number of second air inlets 3〇4〇 provided in the housing 3〇 at the periphery of the fan 32 is only one in accordance with the present invention. However, in practical applications, the number of the second air inlets 3040 provided at the periphery of the fan wheel 32 on the casing 3 is not limited to one. In other words, more than one second air inlet 3〇4〇 can be provided in accordance with design requirements (e.g., in response to at least one heating element). Referring to FIG. 3, it can be clearly seen from FIG. 3 that the body of the centrifugal fan 3 can further include a base 302, a side wall 304, and an upper cover 306. The above-described fan wheel 32 can be further rotatably disposed on the base 302 of the housing 3. The side wall 304 of the clamshell 30 is disposed at the edge of the base 302 and surrounds the fan wheel 32. Further, the above-mentioned air outlet 3〇〇2 is formed on the side wall 3〇4. Housing 201014980 The upper cover 306 is disposed to engage the side wall 3〇4 and overlie the fan wheel 32. Further, the first air inlet 3〇〇〇 described above may be formed in the upper cover 3〇6. It is to be noted that, in the first preferred embodiment, the second air inlet 3040 disposed on the casing 30 at the periphery of the fan wheel 32 according to the present invention is further formed on the side wall of the casing 3 3〇4, but not as ❹ ❹ ^. In the actual application, the second air inlet 3040 disposed on the casing 30 at the periphery of the fan wheel 32 may also be selectively formed on the base 302 of the casing 3 or the upper cover 3. 〇6. Of course, the second air inlet 3〇4〇 disposed on the periphery of the fan wheel 32 on the casing 3 can also be selectively formed between the side wall 304 and the base 302' or formed on the upper cover and the side wall. Between 304. That is, a part of the 'second air inlet 3_ is formed by the casing: wall 2: forming 'and another part of the second air inlet is formed by the earth seat ^02 of the casing; or the second air inlet 3〇4 A portion of () is formed by the cover 306, and another portion of the second air inlet is formed by the side wall 304 of the body 30. The above-mentioned case-best base embodiment 302, the side wall 302, and the upper cover 3〇6 are assembled in such a manner as to be limited thereto. In other words, in practical applications, in order to improve the cost of the program, reduce the cost, or reduce the maintenance problems caused by the excessive number of assemblies, the above-mentioned housing 3G base moving, side wall 3〇4 and upper cover 3〇 6 can also be manufactured by integral molding. Read Figure 4 and Figure 5. Figure 4 is a perspective assembled view of a second preferred centrifugal fan 5 according to the present invention. Fig. 5 is a perspective exploded view of the fourth fan 5 along the axial direction 扇2 of the fan wheel 52. As shown in the figure? The centrifugal fan 5, the installation body 50, and the auxiliary air inlet fan wheel 52 of the second preferred embodiment of the present invention can be placed in the installation body 50 again. The housing 50 includes a first air inlet 5000 to 9 201014980 iH5GG2. The first human vent 5_ _ on the casing 5G is formed in the radial direction of the static (unmarked | towel). The difference between the "system" is formed in the fan wheel illusion 52 Λ This ^H touch is, the upper lion is on the way 54 is set by the outer casing 5 at the periphery of the fan wheel 52. Moreover, the domain of the above = body% can be communicated through the second person, as shown in Fig. ί, when the fan wheel 52 _

統之離心式風扇5皆具有的第-入風口 机置之辅肋入rf’U^於離心式風扇5之殼體50上額外 道54進風。另外要補充的是,輔助入風流 二道有延伸件540。延伸件540設置於殼體% 54 體%内部。藉此’只要特別針對輔助入風流道 之L伸件540進行外型上與尺寸上的設計,即可依照 述ΐ辅助人風流道54之延伸件54G朝向特定的方向, ^行Γ式風扇5之殼體50外延伸至特定距離遠之處進行吸 於第二較佳具體實施例中,根據本發明在殼體50上於 輪52之周邊處所設置之辅助入風流道54的數目為僅口、一 =°,於實際應用中,在殼體5〇上於扇輪52之周邊^設 =n·^"" ^助入風流道%的數目並不限於一個。換言之’可依照 δ又叶上的需求(例如,因應至少一個發熱元件)而設置一個 以上的辅助入風流道54。 友法請參閱圖五,由圖五可以清楚地得知,為了能以最大的 氣机導^力量將輔助入風流道54内的空氣流體抽進離心式風 扇5的设體50内’並順著殼體50無阻礙地從出風口 5002排 出私於第二較佳具體實施例中,根據本發明之離心式風扇5 之设體50於辅助入風流道54處向内可以設置有隔板5_。 201014980 並且,隔板5040係沿著殼體5〇朝向出風口 5〇〇2延伸。 中’離心式風扇5之殼體5〇同樣地可 二步包含基座502、侧壁504以及上蓋5〇6。扇輪52係可 ^於殼體50之_ 502。殼體%之侧壁5Q4可以設 =座5〇2之邊緣並環繞扇輪&。並且,組口纖 f 一步形成於侧壁+ 504,體50之上蓋5〇6可以設置以與侧 504銜接並覆蓋於扇輪52上方。並且,殼體% 二入 風口 5000可以形成於上蓋5〇6。 在此要說明的是’於第二触具體實施财,根 sm之周邊處之殼體5〇向外設置之辅助入風流‘ U進一Ϊ形成於殼體5〇之上蓋506,但並不以此為限。 實際應财,由扇輪52之周邊處之殼體5〇向外 入風流道54 ’亦可以選擇性地形成於殼體5〇之 ίΐο 是f壁5〇4。當然,由扇輪52之周邊處之殼 ❹ 娜置之辅獻顺道54 ’射以轉性地形成於 =50|與基座502之間,或者形成於上蓋5〇6細壁撕 即’輔助入風流道54的一部分係設置於殼體5〇之 ^ 並且輔助入風流道54的另一部分係設置於殼體50 502 ;或者辅助入風流道54的一部分係設置於殼體% 並且輔助入風流道54的㈣分係設置於殼體 、另外要補充說明的是,於第二較佳具體實施例中,上述 體5〇人之基座5〇2、侧壁5〇4以及上蓋506係以組裝的方 並不以此為限。換言之,於實際應用中,為 Ρ ί程上能夠精簡程序、降低成本’抑或是減少因組裝件 所造成後續的維修問題’上述之殼體50之基座5〇2、側 4以及上蓋506亦可以透過一體成形的方式製造。 11 201014980 同樣地,於第一較佳具體實施例中,上述之殼體50與隔 反5〇4〇係以組裝的方式進行組合,但並料此為限。換言 實際應用中’因上述同樣的理由’上述之殼體50與隔 板5040亦可以透過一體成形的方式製造。 以上對於本發明讀佳具财施敵料,可以明顯 π戶® i根據本發明讀^式風扇,其射在傳統之離心式 ,扇原本的人風口以外的區域新增—處或—處以上的辅助入 參 參 二^亚ΐ,本發明所提出之離心式風扇除了可於新增的輔 向離心式風扇的内部延伸之流體分隔結構,並 ΪΪΪ 口處朝向離心式風扇的外部延伸出之入 於,本&明所提出之離心式風扇除了可以針對位 之主要發熱元件進行散熱之外,更可藉由將外部的 二風伸至距離離心式風扇較遠㈣熱元件處進行吸 扇的=彳=流_結構_順地料至離心式風 述本;==實==述:=t楚: 施例來對本發明之齡加以限制。相 2 Ή /、體只 12 201014980 【圖式簡單說明】 圖-係繪示-習知之離心式風扇之立體結構圖。 風扇據本發明之第-較佳具體實施例之離心式The centrifugal fan 5 has a first-inlet air inlet and an auxiliary rib into the rf'U^ on the casing 50 of the centrifugal fan 5 to receive air. In addition, the auxiliary air flow has two extensions 540. The extension member 540 is disposed inside the housing % 54 body %. Therefore, as long as the outer shape and the size of the L-projection 540 for the auxiliary air flow passage are specifically designed, the extension fan 54G of the auxiliary wind flow passage 54 can be oriented in a specific direction. The housing 50 extends outwardly beyond a certain distance for suction in a second preferred embodiment. The number of auxiliary air inlet passages 54 provided on the housing 50 at the periphery of the wheel 52 in accordance with the present invention is only a port. One = °, in practical applications, the number of % of the assisted airflow passages is not limited to one in the periphery of the fan wheel 52 on the casing 5〇. In other words, more than one auxiliary air inlet passage 54 may be provided in accordance with the demand on the delta and the leaf (e.g., in response to at least one heating element). Please refer to Figure 5 for the friend method. It can be clearly seen from Figure 5 that in order to pump the air in the auxiliary air flow passage 54 into the body 50 of the centrifugal fan 5 with the maximum air force. The housing 50 is unobstructed from the air outlet 5002 and is privately disposed in the second preferred embodiment. The body 50 of the centrifugal fan 5 according to the present invention may be provided with a partition 5_ inwardly at the auxiliary air inlet passage 54. . 201014980 Also, the partition 5040 extends along the casing 5〇 toward the air outlet 5〇〇2. The housing 5 of the 'centrifugal fan 5' can likewise comprise a base 502, a side wall 504 and an upper cover 5〇6 in two steps. Fan wheel 52 can be _ 502 of housing 50. The side wall 5Q4 of the housing % can be set to the edge of the seat 5〇2 and surround the fan wheel & Also, the group port f is formed in one step on the side wall + 504, and the cover 50 〇 6 on the body 50 may be disposed to engage the side 504 and over the fan wheel 52. Also, the housing % two inlet vents 5000 may be formed in the upper cover 5 〇 6. What is to be explained here is that 'the second touch is implemented, and the auxiliary inlet airflow that is disposed outside the casing 5 at the periphery of the root sm is formed on the cover 506 of the casing 5, but not This is limited. Actually, the casing 5 〇 outwardly into the wind passage 54 ′ at the periphery of the fan wheel 52 can also be selectively formed in the casing 5 f 是 是 f 是 。 。 。 。 。 。 Of course, the cover of the fan wheel 52 at the periphery of the fan wheel is placed between the =50| and the base 502, or is formed on the upper cover 5〇6. A portion of the inlet air passage 54 is disposed in the casing 5 and another portion of the auxiliary inlet passage 54 is disposed in the casing 50 502; or a portion of the auxiliary inlet passage 54 is disposed in the casing % and assists in the flow The (four) sub-system of the track 54 is disposed in the housing. In addition, in the second preferred embodiment, the base 5 〇 2, the side wall 5 〇 4, and the upper cover 506 of the body 5 are The assembled party is not limited to this. In other words, in practical applications, it is possible to streamline the program, reduce the cost, or reduce the subsequent maintenance problems caused by the assembly. The base 5〇2, the side 4 and the upper cover 506 of the above-mentioned housing 50 are also It can be manufactured by integral molding. 11 201014980 Similarly, in the first preferred embodiment, the above-described housing 50 and the spacers 5 are assembled in an assembled manner, but are limited thereto. In other words, the above-described case 50 and the spacer 5040 can be manufactured by integral molding for the same reason. In the above, for the invention of the good fortune, it is obvious that the π household® i read the fan according to the present invention, and the shot is added to the area other than the traditional centrifugal type, the original fan mouth of the fan. The centrifugal fan proposed by the present invention has a fluid separation structure extending inside the auxiliary auxiliary centrifugal fan and extends toward the outside of the centrifugal fan at the mouth of the centrifugal fan. In addition, the centrifugal fan proposed by Ben & Ming can not only dissipate heat for the main heating element of the position, but also expand the external two winds to a distance from the centrifugal fan (4). = 彳 = stream _ structure _ shovel to the centrifugal style; = = real = = said: = t Chu: The example to limit the age of the invention. Phase 2 Ή /, body only 12 201014980 [Simple diagram of the diagram] Figure - shows the three-dimensional structure diagram of the conventional centrifugal fan. Fan according to the first preferred embodiment of the present invention

圖三係繪示圖二中之離心式風心扇輪之軸向的立體分 固四你瑨不很琢本發明之第 風扇的立體組合圖。 二較佳具體實施例之離心式 解圖圖五餅示圖四中之離心式風扇沿扇輪之軸向的立體分 【主要元件符號說明】 1、3、5 :離心式風扇 10 :渦型外殼 100 :渦型侧板 1000 :舌口形狀 1002 :表面 102 :底板 104 :腔體 105 :渦型流道 106、3002、5002 :出風口 12 :風扇葉片 2 :垂直軸 30、50 :殼體 3000、5000 :第一入風口 302、502 :基座 304、504 :側壁 3040、5042 :第二入風口 13 201014980 306、506 :上蓋 34 :管體 54 :辅助入風流道 Al、A2 :轴向 32、52 :扇輪 5040 :隔板 540 :延伸件Fig. 3 is a perspective view showing the three-dimensional combination of the axial direction of the centrifugal fan wheel of Fig. 2, which is not very close to the fan of the present invention. Centrifugal solution diagram of the second preferred embodiment FIG. 5 is a three-dimensional division of the centrifugal fan in the axial direction of the fan wheel. [Main component symbol description] 1, 3, 5: centrifugal fan 10: vortex type Case 100: vortex side plate 1000: tongue shape 1002: surface 102: bottom plate 104: cavity 105: vortex flow path 106, 3002, 5002: air outlet 12: fan blade 2: vertical axis 30, 50: housing 3000, 5000: first air inlet 302, 502: base 304, 504: side wall 3040, 5042: second air inlet 13 201014980 306, 506: upper cover 34: pipe body 54: auxiliary air flow path A1, A2: axial 32, 52: Fan wheel 5040: Partition 540: Extension

1414

Claims (1)

201014980 十、申請專利範圍: 1、 一種離心式風扇,包含: 一扇輪; 一设體,該扇輪係可轉動Λ i-第-入風口、-出風二及第=,該殼, 一辅助入風流道,從該第二人風Π穿以及 2、 口,其中該第一入風 並且該第二入風口形成於該扇輪之周邊f於該扇輪之徑尚, 3、 Si專利範圍第1項所述之離心式風肩,其中該殼體進一 一基座,該扇輪係可轉動地設置於該基座. 一,壁,設置於錄紅雜並魏’ 係形成於細H及 職该出風口 一上蓋,設置以與該側壁銜接並覆蓋該 第一入風口係形成於該上蓋。 ^輪上方,該 4、 如申請專利範圍第3項所述之離心式風扇,1中 側壁以及該上蓋係-體成形。 々基座、該 5、 如申請專利範圍第3項所述之離心式風扇,其中該第二入風 口係可選擇性地形成於該基座、該侧壁或該上蓋。 如申請專利範圍第3項所述之離心式風扇,其中該第二入風 口係可選擇性地形成於該侧壁與該基座之間孓該二蓋™該侧 壁之間。 7、如申請專利範圍第1項所述之離心式風扇,其中該輔助入風 流道為一管體,該管體部分地從該第二入風口伸入該殼體 15 201014980 内 8、利範圍第1項所述之離喊風扇,其中該辅助入風 口朝向nsr該殼體内’並且該隔板自該第二入風 9、=ΐ=第8項所述之離心式風扇,其帽殼體與該 ❹ 體外並導通該第 料 _ 助入風 入風 ❹ 16201014980 X. Patent application scope: 1. A centrifugal fan, comprising: a fan wheel; a body, the fan wheel system can be rotated Λ i-first-inlet air outlet, - air outlet two and the second, the shell, one Auxiliary air flow passage, from the second person wind and 2, wherein the first air inlet and the second air inlet are formed at the periphery of the fan wheel, the diameter of the fan wheel is still, 3, Si patent The centrifugal wind shoulder of the first aspect, wherein the casing is connected to the base, and the fan wheel is rotatably disposed on the base. The wall is disposed on the recorded red and the Wei' The upper H and the outlet are provided with a cover, and are disposed to engage with the side wall and cover the first air inlet to be formed on the upper cover. Above the wheel, the centrifugal fan according to item 3 of the patent application, the middle wall of the 1 and the upper cover are formed. A centrifugal fan according to the third aspect of the invention, wherein the second air inlet is selectively formed on the base, the side wall or the upper cover. The centrifugal fan of claim 3, wherein the second air inlet is selectively formed between the side wall and the base between the side walls of the two covers TM. 7. The centrifugal fan according to claim 1, wherein the auxiliary air inlet passage is a pipe body, and the pipe body partially extends from the second air inlet into the casing 15 201014980. The shouting fan of item 1, wherein the auxiliary air inlet faces the nsr in the casing and the partition is from the second inlet air 9, = ΐ = the centrifugal fan according to item 8, the cap The body and the body are externally connected to the material _ assisting the wind into the wind 16
TW97137736A 2008-10-01 2008-10-01 Centrifugal fan TWI402425B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103727066A (en) * 2012-10-10 2014-04-16 富瑞精密组件(昆山)有限公司 Centrifugal fan
TWI487841B (en) * 2011-05-12 2015-06-11 Adda Corp Heat dissipation fan
US9518584B2 (en) 2012-10-08 2016-12-13 Foxconn Technology Co., Ltd. Centrifugal fan with ancillary airflow opening
CN112483467A (en) * 2020-11-25 2021-03-12 奇鋐科技股份有限公司 Fan flow guiding structure
US11401946B2 (en) 2021-01-06 2022-08-02 Asia Vital Components Co., Ltd. Fan flow guide structure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI262991B (en) * 2004-08-02 2006-10-01 Sunonwealth Electr Mach Ind Co Centrifugal blower having auxiliary radial inlets

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI487841B (en) * 2011-05-12 2015-06-11 Adda Corp Heat dissipation fan
US9518584B2 (en) 2012-10-08 2016-12-13 Foxconn Technology Co., Ltd. Centrifugal fan with ancillary airflow opening
CN103727066A (en) * 2012-10-10 2014-04-16 富瑞精密组件(昆山)有限公司 Centrifugal fan
CN103727066B (en) * 2012-10-10 2017-12-22 富瑞精密组件(昆山)有限公司 Centrifugal fan
CN112483467A (en) * 2020-11-25 2021-03-12 奇鋐科技股份有限公司 Fan flow guiding structure
US11401946B2 (en) 2021-01-06 2022-08-02 Asia Vital Components Co., Ltd. Fan flow guide structure

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