TWI278576B - Axial-flow heat-dissipating fan for boosting air pressure - Google Patents

Abstract

An axial-flow-heat-dissipating fan comprises a housing and an impeller. The housing has an air inlet, an air outlet, a base, and a supercharging device. The impeller has a hub and a plurality of blades. At least two of the blades are arranged on an outer circumference of the hub and cover an axial direction line for disposing more number of the blades. The impeller is rotatably connected to the base of the housing. In operation, the blades of the impeller can relatively increase airflow while the supercharging device of the housing boosting air pressure that improve entire heat-dissipating efficiency of the heat-dissipating fan.

Description

1278576·1278576·

案號 93130366 五、發明說明（1) 【發明所屬之技術領域】 本發明係關於一種；^尹、π间、 於將具大驅風面積之= ”熱扇’特別是關 中，以便相對增加驅風增壓功能之-外框 造。 及出風風壓之軸流式散熱扇構 【先前技術】 導: 號「風扇增壓 提升該動葉之風壓用 t抓裝置。該承置部係用以承 該承置部上轉動。兮道、六壯职， 以使邊茶輪在 外框與該承數個靜葉’其連接於該 風處，且具有與該葉輪立於該葉輪之下 齊而呈八字形，以# άί員角❿使該靜葉與動葉對 轉換為靜塵，以供提升該風扇之風j之…將切線速度 1雖然如此，但由於受限於模造製程， 犬 不形成任何重之動葉在軸向上 而無法形成較多驅風面艮ί量的動葉， 置的靜葉進行增壓。在此情況下，即；該；裝 扇之風壓’但整體輸出風量仍該二;：：〆亥： 车杳，卺RΡ 4吻果W構造的限制。近 苹數量？作4種3用組合方式製造葉㉟，以增加葉輪的動 果数里仁该種葉輪從未應用於具有择壓Case No. 93130366 V. OBJECT DESCRIPTION OF THE INVENTION (1) Technical Field of the Invention The present invention relates to a type of "^, π, and φ with a large wind-driven area", especially a Guanzhong, so as to relatively increase the drive Wind pressure boosting function - outer frame construction and axial wind cooling fan structure [previous technology] Guide: No. "fan booster lifts the pressure of the moving blade with t-clamping device. For rotating on the bearing part, the ramp, six strong positions, so that the side tea wheel in the outer frame and the plurality of vanes are connected to the wind, and have the impeller under the impeller In a splayed shape, the 静 员 员 ❿ 该 该 静 静 静 静 静 员 员 静 静 静 静 员 员 员 员 员 静 静 员 静 员 员 员 员 员 员 员 员 员 员 员 员 员 员 员 员 员 员 员 员 员 员 员 员 员The dog does not form any heavy moving leaves in the axial direction and cannot form more wind-driven surfaces. The moving leaves are pressurized. In this case, that is, the wind pressure of the fan is The overall output air volume is still the second;:: 〆海: 杳,杳RΡ 4 kiss fruit W structure limit. 3 for producing four kinds of leaf ㉟ a combination, in order to increase the number of fruit movable wheel Liren never applied to a wheel of the kind optional pressure

C:\LOGO-5\FIYE CONTINENTS\PK9603a. ptc 亦未對應進行細部改,，以杜盖、，9£功此之外框上， ------^文良乂改口進氣流暢性或進氣效率。 1278576C:\LOGO-5\FIYE CONTINENTS\PK9603a. ptc also does not correspond to the detailed change, to Du Gai, 9 £ this outside the box, ------ ^ Wen Liang 乂 change the mouth fluency or Intake efficiency. 1278576

___索號 93130366 五、發明說明（2) 基於上述因素 扇。 確實有必要進— 步改良上述輪流式散熱 有鑑於此，本發明改良上述之缺點，其中將一葉 於具有增壓裝置之-外框中，且在縱向上該葉輪之：： 葉的一入風側端點至一輪轂之間的一葉緣同時與二動 ，部份重疊，以利增加該動葉之數量。同時，該葉輪^鈐 毂形，圓弧狀，而各動葉亦選擇延伸至該外框之入風口两 外。藉此，本發明確實能相對增加整體驅風量、進氣流 性、進氣範圍及出風風壓。 ％ 【發明内容】 _發明主要目的係提供一種增益風壓之軸流式散熱扇， 其中將一葉輪容置於具有增壓裝置之一外框，，且在縱向上 忒葉輪之任一動葉的一葉緣與二動葉形成部份重疊，使本 發明具有增加驅風量及出風風壓之功效。 本發明次要目的係提供一種增益風壓之軸流式散熱扇， 其中將高驅風效能之一葉輪容置於具有增壓裝置之一外 框，且該葉輪之輪轂係形成圓弧狀，使本發明具有增加 氣流暢性之功效。 f發，次要目的係提供一種增益風壓之軸流式散熱扇， 八中將高驅風效能之一葉輪容置於具有增壓裝置之一外 框，且該葉輪之動葉可選擇延伸至該外框之入風口外， 本發明具有增加進氣範圍之功效。 根據本發明之增益風壓之軸流式散熱扇，其包含一外框 及^輪4外框設有-人風口、—出風口、—基座及— 裝置。該葉輪設有一輪較動葉，各該動葉具有 1278576___号号 93130366 V. Invention description (2) Based on the above factors Fan. It is indeed necessary to further improve the above-described circulating heat dissipation. In view of the above, the present invention improves the above-mentioned disadvantages, in which a leaf is placed in an outer frame having a supercharging device, and in the longitudinal direction of the impeller:: an air inlet of the blade A leaf edge between the side end point and a hub simultaneously overlaps with the two movements to partially increase the number of the moving leaves. At the same time, the impeller has a hub shape and an arc shape, and each of the moving blades is also selected to extend to the outside of the air inlet of the outer frame. Thereby, the present invention can relatively increase the overall air volume, intake air flow, intake range, and outlet wind pressure. % [Invention] The main object of the invention is to provide an axial flow type cooling fan with a gain wind pressure, wherein an impeller is accommodated in an outer frame having a supercharging device, and any one of the impellers is longitudinally The partial overlap of the leaf edge and the second moving blade makes the invention have the effects of increasing the amount of air blown and the wind pressure of the wind. A secondary object of the present invention is to provide an axial flow type cooling fan with a variable wind pressure, wherein one of the impellers of high-drive performance is placed in an outer frame having a supercharging device, and the hub of the impeller is formed in an arc shape. The invention has the effect of increasing airflow. f hair, the secondary purpose is to provide an axial flow type cooling fan with gain wind pressure. In the eighth, one of the impellers with high driving efficiency is placed in the outer frame of one of the supercharging devices, and the moving blades of the impeller can be extended. The invention has the effect of increasing the intake range beyond the air inlet of the outer frame. The axial flow type cooling fan for gain wind pressure according to the present invention comprises an outer frame and an outer frame of the wheel 4 provided with a human air outlet, an air outlet, a base and a device. The impeller is provided with one wheel of moving blades, and each of the blades has 1278576

1278576 t 號 93130%fi 五、發明說明（4) 一二第1圖所不’本發明第-實施例之外框2係設有 ψ 一入風口 21、一出風口 22、一基座23及一增壓 其^入風口 21選擇形成圓弧狀，以增加進氣流暢性。該 曾壓裝置24設於該環牆2。之出風口22内側。該增 =4係呈放射狀排列之靜葉構造，其連接於該環牆2〇 i基座23之間，以供支撐該基座23及設於該基座23上之葉 :β »同&，该增壓裝置24之靜葉構造的軸向傾角係相反 ;以茱輪1之動葉12的軸向傾角，藉此該增壓裝置24有利 增加該葉輪1之出風風壓。 參照第3圖所示，當本發明之增益風壓之軸流式散熱 扇凡成組衣日^ ’該葉輪1整體大致容設於該外框2之環牆2 〇 内，該葉輪1之動葉12之入風側端點121實質切齊於該外框 2之入風口21，而該葉輪1之輪轂11則微凸出於該外框2之 入風:21外。在該葉輪丨運轉時，該葉輪1利用大驅風面積 的動葉1 2驅動軸向氣流由該入風口 2丨進入，該輪轂丨丨及入 風口 ^之圓弧形狀流暢的導入軸向氣流，位於該出風口 2 2 之增壓裝置24則用以增加軸向氣流之風壓。藉此，本發明 確貝施相對增加整體驅風量、進氣流暢性及出風風壓。 請參照第4及5圖所示，其揭示本發明第二實施例之增益 風壓之軸流式散熱扇。相較於第一實施例，第二實施例之 該葉輪1在運轉時，該動葉1 2不但可由該外框2之入風口 21 側吸入軸向氣流，同時亦可進一步由該外框2之周邊吸入 徑向氣流，以供相對增加進氣範圍。例如，該葉輪1的入 風側端點1 2 1可選擇實質上高於該輪轂11，且該葉輪11278576 t No. 93130% fi V. Invention Description (4) One or two Figure 1 is not the first embodiment of the present invention. The outer frame 2 is provided with an air inlet 21, an air outlet 22, a base 23 and A pressurization of the air inlet 21 is selected to form an arc shape to increase the fluency of the intake air. The pressure device 24 is disposed on the ring wall 2. The inside of the air outlet 22 is. The increase=4 is a radially arranged vane structure connected between the ring wall 2〇i base 23 for supporting the base 23 and the leaf provided on the base 23: β » & The axial inclination of the vane configuration of the supercharging device 24 is reversed; the axial inclination of the bucket 12 of the crucible 1 is whereby the supercharging device 24 advantageously increases the blast pressure of the impeller 1. Referring to FIG. 3, when the axial flow type heat-dissipating fan of the present invention is integrated into the ring wall 2 of the outer frame 2, the impeller 1 is The air inlet side end 121 of the bucket 12 is substantially aligned with the air inlet 21 of the outer frame 2, and the hub 11 of the impeller 1 is slightly protruded from the wind inlet 21 of the outer frame 2. When the impeller is in operation, the impeller 1 uses the blade 11 of the large wind-driven area to drive the axial airflow to enter through the air inlet 2, and the circular arc shape of the hub and the air inlet is smoothly introduced into the axial airflow. The boosting device 24 located at the air outlet 2 2 is used to increase the wind pressure of the axial airflow. Thereby, the present invention surely increases the overall air volume, the air intake fluency, and the wind pressure of the wind. Referring to Figures 4 and 5, an axial flow type cooling fan for gain and wind pressure according to a second embodiment of the present invention is disclosed. Compared with the first embodiment, when the impeller 1 of the second embodiment is in operation, the moving blade 1 2 can not only draw axial airflow from the air inlet 21 side of the outer frame 2, but also can further be used by the outer frame 2 A radial airflow is drawn around the periphery to provide a relatively increased intake range. For example, the inlet side end point 1 2 1 of the impeller 1 may be selected to be substantially higher than the hub 11 and the impeller 1

第9頁 1278576 修正 五、發明說明（5) 車又11及動葉1 2可相對延伸至該外框2之入風口 21外。藉 此’即可達到該動葉12同時吸人軸向氣流及周邊徑向氣流 之效果。 請蒼照第6及7圖所示，其揭示本發明第三實施例之增益 風壓之/軸流式散熱扇。相較於第一實施例，第三實施例之 外框2係在該出風口 22側形成一增壓裝置24，，該增壓裝置 24’選擇形成拇狀平行排列之增壓板，且具有適當之三角 形剖面。藉此，該增壓裝置24，不但能壓縮輸出氣流，以 增加出風風壓，同時該增壓裝置24，亦能使氣流平行輸出 一^導向特定方向，以便進行特定方位的散熱。 如上所述’相較於習用軸流式散熱扇之外框雖具靜葉構 以，但因葉輪僅设置有限動葉，而無法有效提升驅風風壓 等缺點，第1圖之本發明藉由將一葉輪i容置於具有增壓裝 置24之外框2中，且在縱向上該葉輪1之任一動葉Η的葉 緣同時與二動葉12可形成部份重疊，其確實可相對增加整 體驅風量、進氣流暢性、進氣範圍及出風風壓。 雖然本發明已利用前述較佳實施例詳細揭示，然其並非 用以限定本發明，任何熟習此技藝者，在不脫離：發明之 精神和範圍内，當可作各種之更動與修改，因此本發明之 保護範圍當視後附之申請專利範圍所界定者為準。Page 9 1278576 Amendment 5, invention description (5) The vehicle 11 and the moving blade 1 2 can extend relatively to the outside of the air inlet 21 of the outer frame 2. By this, the effect of the moving blade 12 and the axial airflow and the peripheral radial airflow can be achieved. Please refer to Figures 6 and 7 for revealing the gain wind pressure/axial flow type heat dissipation fan of the third embodiment of the present invention. Compared with the first embodiment, the outer frame 2 of the third embodiment forms a pressurizing device 24 on the side of the air outlet 22, and the pressurizing device 24' selects a pressurizing plate which is arranged in a parallel arrangement of the fingers, and has Appropriate triangular profile. Thereby, the supercharging device 24 can not only compress the output airflow to increase the outlet wind pressure, but also the supercharging device 24 can also guide the parallel flow of the airflow to a specific direction for heat dissipation in a specific orientation. As described above, the outer frame of the conventional axial flow type cooling fan has a static blade structure, but the impeller has only a limited number of moving blades, and cannot effectively improve the wind pressure and the like. By placing an impeller i in the frame 2 with the supercharging device 24, and in the longitudinal direction, the leaf edge of any of the impellers of the impeller 1 can simultaneously form a partial overlap with the two moving blades 12, which is indeed opposite Increase the overall air volume, intake fluency, intake range and wind pressure. While the present invention has been described in detail with reference to the preferred embodiments of the present invention, it is not intended to limit the scope of the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

案號 93130366 1278576 圖式簡單說明 【圖式簡單說明】 第1圖：本發明第一實施例之增益風壓之軸流式散熱扇 之立體分解圖。 第2圖：本發明第一實施例之增益風壓之軸流式散熱扇 之組合上視圖。 第3圖：本發明第一實施例之增益風壓之軸流式散熱扇 之組合剖視圖。 第4圖：本發明第二實施例之增益風壓之軸流式散熱扇 之立體分解圖。 第5圖：本發明第二實施例之增益風壓之軸流式散熱扇 之組合剖視圖。 _第6圖：本發明第三實施例之增益風壓之軸流式散熱扇 之立體分解圖。 第7圖：本發明第三實施例之增益風壓之軸流式散熱.扇 之組合剖視圖。 【主要元件符號說明】 1 葉輪 11 輪轂 12 動葉 121 入風側端點 13 軸桿 2 外框 20 環牆 21 入風口 22 出風口 23 基座 24 增壓裝置 24, 增壓裝置 X 縱向線Case No. 93130366 1278576 Brief description of the drawings [Simplified description of the drawings] Fig. 1 is an exploded perspective view showing the axial flow type cooling fan of the gain wind pressure according to the first embodiment of the present invention. Fig. 2 is a top view showing the combination of the axial flow type cooling fan of the gain wind pressure according to the first embodiment of the present invention. Fig. 3 is a sectional view showing the combination of the axial flow type cooling fan of the gain wind pressure according to the first embodiment of the present invention. Fig. 4 is an exploded perspective view showing the axial flow type cooling fan of the gain wind pressure according to the second embodiment of the present invention. Fig. 5 is a sectional view showing the combination of the axial flow type cooling fan of the gain wind pressure according to the second embodiment of the present invention. Fig. 6 is an exploded perspective view showing the axial flow type cooling fan of the gain wind pressure according to the third embodiment of the present invention. Fig. 7 is a sectional view showing the combination of the axial flow heat dissipation of the gain wind pressure according to the third embodiment of the present invention. [Main component symbol description] 1 Impeller 11 Hub 12 Moving blade 121 Inlet side end point 13 Shaft 2 Outer frame 20 Ring wall 21 Air inlet 22 Air outlet 23 Base 24 Supercharger 24, Supercharger X Longitudinal line

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Claims (1)

Ϊ278576 修正 ^ J號 93130366_ '、、申請專利範圍 ~種増益風壓之軸流式散熱扇，其包含： —外框，其設有一入風口、一出風口、一基座及一增 壓裝置，該基座及增壓裝置設於該外框之出風口位· 及 ， 一葉輪，其設有一輪轂及數個動葉，各該動葉具有_ =風側端點，在縱向上任一動葉之入風侧端點至該輪 ，之間的一葉緣同時與二動葉形成部份重疊，以二 力口該動葉之驅風面積； 曰 輪可轉•的設於該外框t基座上，藉由該荦 C對增加驅風量，及利 增1 ;力:出風風塵，藉此提升整體散熱效率。 衣置 其中該輪較之剖面係呈_二\之轴：式散熱扇’ 形成圓弧狀。 v以輪車又在近入風側 依申請專利範圍第1項 其中該葉輪之動荦&λ 之軸流式散熱扇， 入風口入風側端點實質切齊於該外框之 依申請專利範圍第1 J§ + 2 π ^ 其中該葉輪之輪浐八山f证風壓之軸流式散熱扇， 依申請於該外框之入風口外。 其中該荦輪之動筆η員之堉盈風壓之軸流式散熱扇， 氣流，風口側吸入軸向 加進氣範圍。 σ邊吸入彳二向氣流，以供相對增 、依申請專利範圍篦$ ㈤弟5項之增益風壓之軸流式散熱扇， 1 :\L0G0-5\FIVE CONTINENTS\PK9603a. ptc 第12頁 1278576 i 號 931Rn%R 六、申請專利範圍 其中該葉輪之輪轂及動葉同時相對延伸至該外框之入 風口外。 依申請專利範圍第1項之增益風壓之軸流式散熱扇， 其中該葉輪的入風侧端點實質上係高於該輪轂。 依申請專利範圍第1項之增益風壓之軸流式散熱扇， 其中該外框之入風口係形成圓弧狀，以增加進氣流暢 性。 10 11 12 依申請專利範圍第1項之增益風壓之軸流式散熱扇， 其中該增壓裝置係呈放射狀排列之靜葉構造。 2申請專利範圍第9項之增益風壓之轴流式散熱扇， 二、中該增壓裝置之靜葉構造的軸向傾角係相反於該葉 輪之動葉的軸向傾角。 2請專利範圍第i項之增益風壓之耗流式散熱扇， ，、中$增壓裝置係呈柵狀平行排列之増壓板。 ΪΙ請專利範圍第11項之增益風壓之軸流式散熱扇， 八中該増壓裝置之增壓板係具有適當之三角形剖面。Ϊ 278576 Correction ^ J No. 93130366_ ',, the scope of application of the patent-type axial flow type cooling fan, which comprises: - an outer frame, which is provided with an air inlet, an air outlet, a base and a supercharging device, The base and the supercharging device are disposed at an air outlet of the outer frame, and an impeller is provided with a hub and a plurality of moving blades, each of the moving blades having a _=wind side end point, and any moving blade in the longitudinal direction a leaf edge between the end of the wind inlet side and the wheel, and a leaf edge at the same time partially overlaps with the two moving blades, and the wind driving area of the moving blade is used to make the driving area of the moving blade; In the above, the air volume is increased by the 荦C pair, and the force is increased by 1; the force: the wind and dust are generated, thereby improving the overall heat dissipation efficiency. The clothing is placed in an arc shape like the axis of the _2. v The wheeled vehicle is on the near wind side according to the first application of the patent scope, the axial flow type cooling fan of the impeller and the λ of the impeller, and the air inlet side end of the air inlet is substantially aligned with the outer frame. Patent scope 1 J § + 2 π ^ The axial flow type cooling fan of the rim of the impeller is applied outside the air inlet of the outer frame. The axial flow type cooling fan of the 笔 之 之 η 堉 堉 , , , , , , , , , , , , , , , , 轴 轴 轴 轴 轴 轴σ side inhalation 彳 two-way airflow for relative increase, according to the patent application scope ( $ (five) brother 5 gain wind pressure axial flow cooling fan, 1 : \ L0G0-5 \ FIVE CONTINENTS \ PK9603a. ptc page 12 1278576 i No. 931Rn%R VI. Patent application scope, wherein the wheel hub and the moving blade of the impeller are relatively extended to the outside of the air inlet of the outer frame. The axial flow type cooling fan of the gain wind pressure according to the first aspect of the patent application, wherein the inlet end side of the impeller is substantially higher than the hub. According to the axial flow type cooling fan of the gain wind pressure according to the first item of the patent application scope, the air inlet of the outer frame is formed in an arc shape to increase the fluency of the intake air. 10 11 12 The axial flow type cooling fan according to the first aspect of the patent application scope, wherein the supercharging device is a radially arranged vane structure. (2) The axial flow type cooling fan of the gain wind pressure of claim 9 of the patent scope, wherein the axial inclination angle of the vane structure of the supercharging device is opposite to the axial inclination angle of the vane of the impeller. 2 Please pay for the flow-type cooling fan of the gain wind pressure in the i-th patent range. The middle-supercharger is a grid-like parallel plate. The axial flow type cooling fan of the gain wind pressure of item 11 of the patent scope is provided, and the supercharged plate of the pressure device of the eighth part has an appropriate triangular cross section. C:\L0G0-5\F1VE CONTINENTS\PK9603a. 第13頁 1278576·案號93130366 fT年Γ月日 修正C:\L0G0-5\F1VE CONTINENTS\PK9603a. Page 13 1278576·Case No. 93130366 fT Year Month Day Correction C:\LOGO-5\FIVE CONTINENTS\PK9603a.ptc 第4頁C:\LOGO-5\FIVE CONTINENTS\PK9603a.ptc Page 4