TW200825292A - Fan and frame thereof - Google Patents
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- TW200825292A TW200825292A TW95145986A TW95145986A TW200825292A TW 200825292 A TW200825292 A TW 200825292A TW 95145986 A TW95145986 A TW 95145986A TW 95145986 A TW95145986 A TW 95145986A TW 200825292 A TW200825292 A TW 200825292A
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200825292 九、發明說明: 【發明所屬之技術領域】 特別是關於一種高效能 本發明係關於一種風扇及其扇框, 且低噪音之風扇及其扇框。 【先前技術】 隨著電子裝置效能的不斷提昇,散熱裝置或散熱系統已成 為現行電子裝置中不可或缺的配備之―,因為電子裝置所產生 之熱能若不加以適當地散逸,輕則造成效能變差,重則會導致 電子裝置的燒毀。散熱裝置對於微電子元件(例如積體‘路, 綠咖ed Cilxuits)而言更是重要,因為隨著積集度的增加 以及封裝技術的進步’使得積體電路的面積不斷地縮小,同時 每單位面積所累積的熱能亦相對地會更高,故高散熱效能的散 熱裝置一直是電子產業界所積極研發的對象。 在現今之發熱系統中,最廣泛使用之散熱裝置係為風扇。 請同時參閱第1A圖與第_,第1A圖係為f知軸流式風扇 扇框之示意圖,第1B圖係為第1A圖氣流流經靜葉的流向圖。 習知一般所使用之風扇扇框(1)具有一本體(11)、一位於本體 (1^)之内《馬達底座(12)及一連接本體(⑴與馬達底座(⑵ 之=葉(13)。然而’習知風扇扇框⑴在搭配葉輪形成風扇運 2日守由於靜葉(13 )的整流效果有限,因此氣流經靜葉(13 )導 流至出風處之時,氣流會在靜葉(13)的曲面上產生紊流,如第 1B圖所示’導致風量無法集中於氣流流路之上而有效作功,容 易產生較大的噪音。再者,操作區之靜壓因失速區的存在而導 =整體效率下降。另外,由於傳統風扇所消耗的電流較大,故 白知風扇在耗能、噪音與操作區方面的表現不盡理想。 200825292 【發明内容】 框,藉因由此在靜為葉解二上置述/i題t發明係提出一種風扇及其扇 並有效的增加導流面積设:::的::正氣流之流動方向 體效率,改善傳统風戶到正〜的效果’進而提昇風扇整 、 ϋ得、、死風扇效率差的缺點。再者,本於明之厨戶介 可,善流場的順暢度與特性,“羽;、 風扇的整體效能得以改善。 ^生綠㈣作£,使 為達到上述目的,提出一種風扇扇框,其包括一本體、一 内=底==與複數個導流件。馬達底座設置於本體 一笛’一 ί 靜葉與本體連結。靜葉包括-第-曲面與 上,ΐ、古:二導流件分別設置於靜葉之第一曲面及第二曲面 上導&件係分別自第一曲面與第二曲面延伸而出。 愈—螢上述目的’更提出一種風扇,其包括-風扇扇框 框包括―本體'—馬達底座、複數個靜葉 ,:而:ϊ流件。馬達底座設置於本體内,且馬達底座係藉由 :葉而舁本體連結。靜葉包括-第-曲面與-第二曲面,導流 二,:別°又置於靜葉之第一曲面及第二曲面上’且導流件係分 別自第一曲面與第二曲面延伸而出。葉輪係位於本體之内並 馬達底座所承接。 ^如上述之風扇及其風扇扇框,其中每一導流件以對稱式戋 交錯式排列於每一靜葉上。每一靜葉之導流件個數係介於3至 9之間度係為靜葉寬度之十分之三至叫吾。此導流件之迎 風頂面為一傾斜面,且係配合氣流之流動方向。導流件之第一 ,面或第二曲面與氣流接觸,而導引氣流之流動方向。靜葉之 剖,可為一平板形狀、三角形形狀、梯形形狀、翼形形狀Ϊ或 者靜葉之剖面具有至少一曲面形狀、弧面形狀、曲線形狀、弧 線形狀,或是具有中心線不彎曲之曲線或弧線外形。本體概略 呈方形、圓型、橢圓型、多邊型、錐型或其它形狀。馬達底座 之側邊里徑向具一坡度,可增加氣流流出或流入的面積,而此 200825292 坡度可為一平面或一曲面。 環設於輪較周緣風:葉,且扇葉 馬達底座上,肋軸葉輪旋轉。心疋馬達,設置於 下:#乂佳實知例,並配合所附圖式,作詳細說明如 【實施方式】 請同時參考第2 ®,第2 ®料依照本發 之一種風扇之示意圖。風扇月孕乂佳貝她例 (25)盘一荦幹(26) Λ 包 扇扇框⑽、-馬達 二=(26)。其中’此風扇扇框⑽包括有一本體 m ηΐί (22)、複數個靜葉(23)與複數個導流件 L 1葉輪⑶)包括有—輪轂(28)與複數個扇葉(27),而扇葉 ),設於該輪轂(28)周緣。馬達底座(22)設置於本體(21)之 内,错由靜葉(23)與本體(21)相連結,而本體(21)之形狀概略 呈方形、圓型、橢圓型、多邊型、錐型或其它形狀。葉輪(26) 位於本體(21)之内,並由馬達底座(22)所承接,馬達(25)設置 在馬達底座(22)之上作為驅動元件,用以驅動葉輪(26)旋轉。 承上,请同時參閱第3Α圖、第3Β圖與第4圖,第3Α圖 係為第2圖之風扇扇框之示意圖,第3β圖係為第3Α圖之靜葉 及其對稱式排列導流件之示意圖。此風扇扇框(2〇)為於最佳實 施例所述的風扇扇框(20),此風扇扇框(2〇)之每一靜葉(23)具 有一第一曲面(31)與一第二曲面(32),在第一曲面(31)上設置 有導流件(24a)而在第二曲面(32)上設置有導流件(24b),且而 導流件(24a)與導流件(24b)係以對稱式之方式分別設置排列 於靜葉(23)之上,且每一靜葉(23)上之導流件(24a、24b)之個 數係介於3至9之間,寬度係為靜葉(23)寬度之十分之三至一 倍。導流件(24a、24b)的迎風頂面為傾斜面,此且傾斜面係配 200825292 口氣,動方向’因此當葉輪(26)轉動使氣流流經第一曲面 1)/、弟二曲面(32)之上的導流件(24a、24b)時,導流件 (24a 1 24b)可導引氣流的流動方向。而本發明之風扇與習知風 扇相較,,發明之風扇所搭配的導流件(24a、24b),可以幫助 導正紅轉乳流於出風處’可以有效提高出風處的風壓鱼改蓋風 扇的操作區範圍,如第4圖所示,第4圖係為習知風扇與:發 明風扇之風壓對風量的特徵曲線比較圖。另外,再搭配上對稱 式的導流件(24a、24b) ’更可以有效減少紊流與噪音的產生。 然而本發明並不限制於此,例如本發明之風扇亦可採用 =-種排列的導流件。請參閱第5圖,第5圖係為依據本發明 較佳實施例之另一種靜葉及其交錯式排列導流件之示意圖。靜 葉(23)具有一第一曲面(51)與一第二曲面(52),在第一曲面 (51)上設置有導流件(54a),而在第二曲面(52)上設置有導流 件(54b) ’而導流件(54a)與導流件(54b)以對稱式排列於靜葉 (23)之上,且導流件(54a)數量與導流件(54b)數量相同。導流 件(54a、54b)之形狀大小並無特殊限定。 & ▲再者,靜葉的形狀亦不限定於只是第3人圖所示之翼形。 5月f閱第6圖,第6圖係為各種靜葉之剖面示意圖。靜葉(23) 之剖面可為一平板形狀(如第6(a)圖)、三角形形狀(如第6(b) ,1、梯形形狀(如第6(c)圖)、翼形形狀(如第6(d)圖),或者 ^葉〃(23)之剖面具有至少一曲面形狀(如第6(〇圖)、弧面形狀 如第6(f)圖)、曲線形狀(如第6(g)圖)、弧線形狀(如第6(h) 圖),或者是具有中心線不彎曲之曲線(如第6(i)圖)或弧線外 形二^發明搭配上述之剖面形狀之靜葉(23),可以幫助導正旋 轉氣流於出風處,可以有效提高風扇(2)的風壓與改善風 的操作範圍。 此外,馬達底座(22)之側邊可設計成一具有徑向之坡 度,用以增加氣流流入或流出的面積。坡度可以為一平面狀 是一曲面狀0 〆 200825292 雖然本發明已以一較佳實施例揭露如上,然其並 限定本發明’任何熟習此技#者,在不脫離本發明之精神和 圍内’當可作各種之更動與潤飾,因此本發明之保護 已 後附之申請專利範圍所界定者為準。 田祝 【圖式簡單說明】 第1A圖係為習知軸流式風扇扇框之示意圖 第1B圖係為第1 a圖氣流流經靜葉的流向圖。 第2圖係為依照本發明較佳實施例之一種風扇之示意 第3A圖係為第2圖之風扇扇框之示意圖。 μ回。 第3Β圖係為第3Α圖之靜葉及其對稱式排列 立 圖。 l丨丁 <不思 第4圖係為習知風扇與本發明風扇之風壓對風 曲線比較圖。 里的特徵 一種靜葉及其交 弟5圖係為依據本發明較佳實施例之另 錯式排列導流件之示意圖。 第6圖係為各種靜葉之剖面示意圖。 11、21 :本體 13、23 :靜葉 導流件 26 :葉輪 28 ·輪毅 32、52 :第二曲面 【主要元件符號說明】 1、20 ··風扇扇框 12 ' 22 :馬達底座 24 、 24a 、 24b 、 54a 、 54b : 2 5 :馬達 27 :扇葉 31 、51 ·第一曲面 9200825292 IX. Description of the invention: [Technical field to which the invention pertains] In particular, the present invention relates to a fan and a fan frame thereof, and a low noise fan and a fan frame thereof. [Prior Art] With the continuous improvement of the performance of electronic devices, heat sinks or heat dissipation systems have become an indispensable device in current electronic devices, because the thermal energy generated by the electronic devices is not properly dissipated, resulting in performance. The deterioration will cause the electronic device to burn out. The heat sink is more important for microelectronic components (such as the integrated circuit, the green ed Cilxuits), because with the increase in the degree of integration and the advancement of packaging technology, the area of the integrated circuit is continuously reduced, while each The heat energy accumulated per unit area is relatively higher, so the heat dissipation device with high heat dissipation performance has been actively developed by the electronics industry. In today's heating systems, the most widely used heat sink is a fan. Please also refer to Figure 1A and Figure _. Figure 1A is a schematic diagram of the axial fan fan frame. Figure 1B is the flow diagram of the airflow through the vane in Figure 1A. The fan frame (1) generally used has a body (11), a body (1), a motor base (12) and a connecting body ((1) and a motor base ((2) = leaf (13) However, the conventional fan frame (1) is formed by the fan with the impeller. The rectification effect of the vane (13) is limited. Therefore, when the airflow is guided to the air outlet through the vane (13), the airflow will be Turbulence is generated on the curved surface of the vane (13). As shown in Fig. 1B, 'the air volume cannot be concentrated on the airflow path and the work is effective, and it is easy to generate large noise. Moreover, the static pressure of the operating area The existence of the stall zone leads to a decrease in overall efficiency. In addition, due to the large current consumed by the conventional fan, the performance of the fan is not ideal in terms of energy consumption, noise and operating area. 200825292 [Summary] Therefore, the fan and its fan are proposed to effectively increase the flow area of the fan in the static solution. The ::::: The flow direction of the positive airflow is effective, improving the traditional wind to The effect of positive ~ further enhances the fan, won, and die The shortcomings of poor fan efficiency. Moreover, this is the kitchen of the Ming Dynasty, the smoothness and characteristics of the good flow field, "feather; the overall efficiency of the fan can be improved. ^ Green (four) for £, in order to achieve the above purpose, A fan fan frame is proposed, which comprises a body, an inner=bottom== and a plurality of flow guiding members. The motor base is arranged on the body of a flute, and the vane is connected with the body. The vane includes a -surface-surface and an upper surface. ΐ, 古: The two flow guiding members are respectively disposed on the first curved surface of the stationary blade and the second curved surface. The guiding & parts are respectively extended from the first curved surface and the second curved surface. The fan frame comprises a body, a motor base, a plurality of vanes, and a choke. The motor base is disposed in the body, and the motor base is connected by a leaf and a body. The vane includes - a first surface and a second curved surface, and the second flow guide is disposed on the first curved surface and the second curved surface of the stationary blade, and the flow guiding member extends from the first curved surface and the second curved surface, respectively. The impeller is located inside the body and is supported by the motor base. ^The wind as described above And a fan fan frame, wherein each of the flow guiding members is arranged in a symmetrical manner on each of the stationary vanes. The number of the guiding members of each vane is between 3 and 9 and the vane width is The third to the top of the wind deflector is an inclined surface, and is matched with the flow direction of the airflow. The first, the surface or the second curved surface of the flow guiding member is in contact with the airflow, and the airflow is guided. The direction of flow. The section of the vane can be a flat shape, a triangular shape, a trapezoidal shape, a wing shape, or a cross section of the stationary blade having at least one curved shape, curved surface shape, curved shape, curved shape, or centered The curve of the line is not curved or the shape of the arc. The body is generally square, round, elliptical, polygonal, tapered or other shape. The side of the motor base has a slope in the radial direction to increase the area of the airflow or inflow. And this 200825292 slope can be a plane or a curved surface. The ring is arranged on the peripheral wind of the wheel: the blade, and the fan shaft is rotated on the fan base. The palpitbral motor is set as follows: #乂佳实知例, and with the accompanying drawings, a detailed description is as follows. [Embodiment] Please also refer to the 2nd, 2nd material according to the schematic diagram of a fan according to the present invention. Fan month pregnancy 乂 Jiabei her case (25) disk one dry (26) Λ package fan fan frame (10), - motor two = (26). Wherein the fan frame (10) includes a body m ηΐί (22), a plurality of vanes (23) and a plurality of deflectors L 1 impellers (3) including a hub (28) and a plurality of blades (27), The fan blade is located at the periphery of the hub (28). The motor base (22) is disposed in the body (21), and is connected to the body (21) by the vane (23), and the shape of the body (21) is generally square, round, elliptical, polygonal, and tapered. Type or other shape. The impeller (26) is located within the body (21) and is supported by a motor base (22). The motor (25) is disposed above the motor base (22) as a drive element for driving the impeller (26) to rotate. Please refer to the 3rd, 3rd and 4th drawings at the same time. The 3rd diagram is the schematic diagram of the fan frame of the 2nd figure. The 3rd figure is the 3rd diagram of the vane and its symmetrical arrangement. Schematic diagram of the flow piece. The fan fan frame (2〇) is the fan fan frame (20) according to the preferred embodiment, and each vane (23) of the fan fan frame (2〇) has a first curved surface (31) and a The second curved surface (32) is provided with a flow guiding member (24a) on the first curved surface (31) and a flow guiding member (24b) on the second curved surface (32), and the flow guiding member (24a) is The flow guiding members (24b) are arranged symmetrically on the stationary vanes (23), and the number of the flow guiding members (24a, 24b) on each vane (23) is between 3 and Between 9 and 9, the width is three to one times the width of the vane (23). The windward top surface of the deflector (24a, 24b) is an inclined surface, and the inclined surface is matched with 200825292 tones, and the moving direction is 'so when the impeller (26) rotates, the airflow flows through the first curved surface 1)/, the second curved surface ( When the flow guiding members (24a, 24b) are above 32), the flow guiding members (24a 1 24b) can guide the flow direction of the air flow. The fan of the present invention is compared with the conventional fan, and the guide member (24a, 24b) matched with the fan of the invention can help the positive red milk flow to the air outlet to effectively increase the wind pressure at the air outlet. The operating area range of the fish capping fan is shown in Fig. 4. Fig. 4 is a comparison chart of the characteristic curves of the wind pressure and the air volume of the conventional fan and the invented fan. In addition, the symmetrical flow guides (24a, 24b) can be used to reduce turbulence and noise. However, the present invention is not limited thereto, and for example, the fan of the present invention may also adopt a flow guiding member arranged in a =-type. Referring to Figure 5, there is shown a schematic view of another vane and its staggered flow guiding members in accordance with a preferred embodiment of the present invention. The vane (23) has a first curved surface (51) and a second curved surface (52), and a flow guiding member (54a) is disposed on the first curved surface (51), and a second curved surface (52) is disposed on the second curved surface (52) The flow guiding member (54b) 'and the flow guiding member (54a) and the flow guiding member (54b) are arranged symmetrically on the vane (23), and the number of the guiding member (54a) and the number of the guiding member (54b) the same. The shape and size of the flow guiding members (54a, 54b) are not particularly limited. & ▲ Furthermore, the shape of the vane is not limited to the wing shape shown in the figure of the third person. May f read Figure 6, Figure 6 is a schematic view of the various vanes. The cross section of the vane (23) may be a flat plate shape (as in Fig. 6(a)), a triangular shape (such as 6(b), 1, a trapezoidal shape (as in Fig. 6(c)), a wing shape ( As shown in Fig. 6(d), or the section of the leafhopper (23) has at least one curved shape (such as the sixth (〇图), the curved surface shape as the sixth (f) figure), the curved shape (such as the sixth (g) Figure), the shape of the arc (as in Figure 6(h)), or the curve with the centerline not curved (as in Figure 6(i)) or the shape of the arc. (23), can help to guide the rotating airflow to the air outlet, can effectively improve the wind pressure of the fan (2) and improve the operating range of the wind. In addition, the side of the motor base (22) can be designed to have a radial gradient For increasing the area of the inflow or outflow of the airflow. The slope may be a flat shape and is a curved surface. 0 〆 200825292 Although the present invention has been disclosed in a preferred embodiment as above, it also defines the present invention as any one skilled in the art. The present invention can be modified and retouched without departing from the spirit and scope of the present invention. Please refer to the definition of patent scope. Tian Zhu [Simple description of the diagram] Figure 1A is a schematic diagram of a conventional axial fan fan frame. Figure 1B is a flow diagram of the airflow through the vane in Fig. 1a. Figure 2 is a schematic view of a fan according to a preferred embodiment of the present invention. Figure 3A is a schematic view of the fan frame of Fig. 2. μ back. The third figure is the third embodiment of the vane and its symmetry. Arrange the vertical map. l 丨丁<不思第4图 is a comparison of the wind pressure versus wind curve of the conventional fan and the fan of the present invention. The feature of a static blade and its cousin 5 is based on the present invention. Schematic diagram of the other misplaced flow guides of the preferred embodiment. Fig. 6 is a schematic cross-sectional view of various vanes. 11, 21: body 13, 23: vane guide 26: impeller 28 · wheel Yi 32, 52 : Second surface [Description of main component symbols] 1, 20 · Fan frame 12 ' 22 : Motor base 24 , 24a , 24b , 54a , 54b : 2 5 : Motor 27 : Blade 31 , 51 · First curved surface 9
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TW95145986A TWI319051B (en) | 2006-12-08 | 2006-12-08 | Fan and frame thereof |
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TW95145986A TWI319051B (en) | 2006-12-08 | 2006-12-08 | Fan and frame thereof |
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TW200825292A true TW200825292A (en) | 2008-06-16 |
TWI319051B TWI319051B (en) | 2010-01-01 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI404883B (en) * | 2010-04-19 | 2013-08-11 | Foxsemicon Integrated Tech Inc | Street lamp |
CN110425164A (en) * | 2019-08-02 | 2019-11-08 | 东莞市能博旺动力科技有限公司 | A kind of brush DC special fan |
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2006
- 2006-12-08 TW TW95145986A patent/TWI319051B/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI404883B (en) * | 2010-04-19 | 2013-08-11 | Foxsemicon Integrated Tech Inc | Street lamp |
CN110425164A (en) * | 2019-08-02 | 2019-11-08 | 东莞市能博旺动力科技有限公司 | A kind of brush DC special fan |
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