201033478 六、發明說明： 【發明所屬之技術領域】 圃 本發明係關於—種風扇，特別是關於-種可改變氣 流流向及可容置外部電路或裝置的風扇及其導流結構。、 [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1_中不可或缺的配備之一，因為電、 子裝置所產生之熱能若不加以適當地散逸，輕則造成欵 φ 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（例如積體電路，】C)而言更是重要，因為隨著 積集度的增加以及封裝技掩體電路的面 積不斷地縮小，同時每單位累.積的熱能亦相對地 會更高’故高散熱政能的散熱裝皇直子產業界所 積極研發的對象。 [〇〇〇3] 在現今之散熱裝置中？二|梟冬然疼厕者係為風扇。201033478 VI. Description of the invention: [Technical field to which the invention pertains] 圃 The present invention relates to a fan, and more particularly to a fan and a flow guiding structure thereof that can change the flow direction of the airflow and can accommodate an external circuit or device. [Prior Art] _ As the performance of electronic devices continues to increase, heat sinks or heat dissipation systems have become one of the indispensable components in current electronic devices, because the thermal energy generated by electrical and sub-devices is not properly Dissipating, lightly causes 欵φ to deteriorate, and heavy causes burning of the electronic device. The heat sink is more important for microelectronic components (such as integrated circuits, C), because as the degree of integration increases and the area of the package technology is continuously reduced, the thermal energy per unit of accumulation is relatively The ground will be higher, so the high heat dissipation of the government's heat-dissipating equipment is actively researched and developed by the Huangzhizi industry. [〇〇〇3] In today's heat sink? 2|枭冬然 The toilet is a fan.
i - H t"; I i |J ί j I 根據風扇之入風與出風的方ϋϋ，ϋ可將風扇區 ® 分為軸流式風扇與離心式辱扇丨上:芦知之軸流式風扇之氣 流係由入風口流入，再由出風口流出，氣流由入風口流 入時之方向與氣流由出風口流出時之方向係大致相同。 而相對於習知之離心式風扇，其氣流由入風口流入時之 方向則與氣流由出風口流出時之方向係大致互相垂直。 [0004] 相較於軸流式風扇，離心式風扇雖可達到改變出風 方向之目的，卻具有效率不高、出風量較低、和噪音較 大等缺點；再者，若在風扇縮小化、簡單化與多功能性 的設計前提下，如何在風扇框體具有的原本功能下再提 098107835 表單編號A0101 第4頁/共16真 0982012792-0 201033478 [0005] [0006]i - H t"; I i |J ί j I According to the wind inlet and outlet of the fan, the fan area can be divided into an axial fan and a centrifugal abusive fan: the axial flow of the Luzhi The airflow of the fan flows in from the air inlet and then flows out through the air outlet. The direction in which the airflow flows in from the air inlet is substantially the same as the direction in which the airflow flows out from the air outlet. In contrast to the conventional centrifugal fan, the direction in which the airflow flows in from the air inlet is substantially perpendicular to the direction in which the airflow flows out of the air outlet. [0004] Compared with the axial flow fan, the centrifugal fan can achieve the purpose of changing the direction of the wind, but has the disadvantages of low efficiency, low air volume, and high noise. Moreover, if the fan is reduced Under the premise of simplification and versatility, how to add 098107835 under the original function of the fan frame. Form No. A0101 Page 4 / Total 16 0982012792-0 201033478 [0005] [0006]
Z多的魏，減本㈣人致力研究本發明專利之所 【發明内容】 ^本發明之目的為提供—種風扇及其導流結構，藉由 導構之形狀設計’即可改變減式風扇氣流之流向 並達至1改變出風方向之目的，亦可同時保有傳統轴流式 風扇之高效率、出風量大、與低噪音等優點。 本發明之另-目的為提供一種風扇及其導流結構， 於=流結構内且接近於底部處設有H間，使原本需又置於該風扇本體外部之電路可安裝於該第一空間内 ’以達到節省空間及透料護電路等效 果》 'Z Duo Wei, Xiao Ben (4) People are committed to researching the patent of the present invention. [Invention] The object of the present invention is to provide a fan and a flow guiding structure thereof, which can be changed by the shape design of the guiding structure. The flow of the airflow reaches the direction of changing the direction of the wind, and the advantages of the high efficiency of the conventional axial flow fan, large air volume, and low noise can be maintained at the same time. Another object of the present invention is to provide a fan and a flow guiding structure thereof, wherein an H space is disposed in the flow structure and close to the bottom portion, so that a circuit that is originally required to be placed outside the fan body can be installed in the first space. In order to achieve space saving and transparent protection circuit, etc. '
[0007][0007]
為達上述目的’本發明提出一種風扇其包括一葉 輪馬達、-導流結構和一第一電路裝置。該葉輪具 有一輪轂與複數個扇葉，該輪轂之外 環面’馬達與葉輪連結’翁—^_動；導流結構 其上承載該馬達’其下—lfi驗㈣，導流結構之 外徑係自導流結構之卿漸擴至該導流結構之底部，當 該葉輪轉動時氣流係由-人風口流人，再順著該導流結 構之外環面流動而由-出風口流出，而氣流由出風口流 出時之方向係不同於氣流由入風口流入時之方向。此外 ，導流結構内具有一第一空間，可供外部之電路或裝置 裝設於第一空間内。 [0008] 為達上述目的’本發明更提出一種風扇之導流結構 098107835 ’其係設置於一軸流式風扇之出風口下方，該軸流式風 表單編號Α0101 第5頁/共16頁 0982012792-0 201033478 [0009]To achieve the above object, the present invention provides a fan comprising a impeller motor, a flow guiding structure and a first circuit arrangement. The impeller has a hub and a plurality of blades, and the outer ring surface of the hub is connected with a motor and an impeller. The flow guiding structure carries the motor on the lower side of the motor (4), outside the flow guiding structure. The diameter of the self-guide structure is gradually expanded to the bottom of the flow guiding structure. When the impeller rotates, the airflow flows from the human air vent, and then flows along the torus outside the guiding structure to flow out from the air outlet. And the direction in which the airflow flows out of the air outlet is different from the direction in which the airflow flows in from the air inlet. In addition, the flow guiding structure has a first space therein for external circuitry or devices to be mounted in the first space. [0008] In order to achieve the above object, the present invention further provides a fan flow guiding structure 098107835' which is disposed under the air outlet of an axial flow fan, the axial flow wind form number Α0101, page 5 / total 16 pages 0982012792 -0 201033478 [0009]
[0010] ❹ 扇之入風口係位於軸流式風扇之出風口上方，該導流結 構之外徑係自導流結構之頂部漸擴至導流結構之底部， 以改變由轴流式風扇之出風口送出之氣流之流向；另， 該導流結構内具有一第一空間，以提供一外部之電路或 裝置裝設於第一空間内。 承上所述，本發明之風扇及其導流結構，由於其中 之導流結構之外徑係自導流結構之頂部漸擴至導流結構 之底部’使得氣流順著導流結構之外環面流動而被送出 時改變了其流向；且導流結構内設置有一第一空間，使 外部之電路可裝置第-空間内、，與習知技術相較，本發 明不僅能夠連到改變出風方<，也同時兼具高效率、出 風量大和噪音量小的目& ’盘具、有節省空間及透過導流 結構本身來保護電路的優點β 【實施方式】 請同時參照第1圓及第鞭示，本舞明風扇1係可 以為轴流式之風扇，包括，初一:‘達12、一導流 結構13、一第一電路裝置1電路裝置15、-導 51環16及一蓋板17。 _ 葉輪11具有—輪較111與複數個«112，該些扇 葉112似置於該輪較⑴之外環面，而馬賴與葉輪^ 連結’用以驅動葉輪U轉動。再者，輪轂lu之上表面具 有複數個平舰113 ’俾纽们之葉如發生不平衡運 轉時，可依據葉輪11晃動的狀態於上述平衡孔113内填入 適當的平衡材料’以使風扇丨之葉輪u能平衡的轉動而不 晃動。 098107835 表單編號A0101 第6頁/共16頁 0982012792-0 201033478 [0012] 又，風扇1之輪轂111中央具有一入風槽114，該入 e 風槽114之内壁面為挖空，且與輪轂111内之馬達12及第 二電路裝置15所在之空間相通，而入風槽114之底面115 與輪轂111之間以適當間距方式環設有複數個肋條116做 為連結，且藉由肋條116加強入風槽114之底面115與輪 轂111之間的結合強度外，並透過肋條116之間隔，使入 風槽114之内壁面上形成複數個入風孔117，此時，風量 除了可以通過風扇1之入風口 18外，尚可以通過入風槽 114内之内壁面的入風孔117，藉由進入該入風孔117的 風量而達到馬達12及第二電路裝置15散熱的效果。 [0013] 導流結構13設置於馬達12的下方，而導流結構13之 一頂面131係與馬達12之一轴管部121約呈垂直連結，且 導流結構13之外徑係自導流結構13之頂部132漸擴至該導 流結構13之底部133，而使得導流結構13之外環面134形 成至少一曲面（或一斜面）；於其他實施例中，馬達12之 轴管部121與導流結構13亦可為一體成型。 ❹[0014] 導引環16之内側環面係連結於扇葉112之外端緣， 導引環16之頂緣係形成風扇1之入風口 18，導引環16之底 緣與導流結構13之外環面134之間係形成風扇1之出風口 19，且導引環16之直徑係自導引環16之頂緣漸縮至導引 環16與扇葉112之連結處之頂緣，以導引更多氣流由入風 口 18流入，其中氣流由入風口 18流入時之方向與氣流由 出風口 19流出時之方向係大致互相垂直。 [0015] 當葉輪11被馬達12驅動而轉動時，導引環16係與葉 輪12 —起轉動，且氣流係由入風口 18流入，再順著該導 098107835 表單編號A0101 第7頁/共16頁 0982012792-0 201033478 [0016]❹ [0017]❿ 098107835 流結構13之外環面134流動而由出風口 19流出，使得氣流 由出風口 19流出時之方向係不同於氣流由入風口18流入 時之方向，亦即氣流由入風口 18流入時之方向與氣流由 出風口 19流出時之方向係大致互相垂直，而達到如同傳 統離心式風扇之功能；故藉由導流結構13之形狀設計， 即可達到改熱流式風純狀出風方向及氣流在改變 流向之過程中之壓損減至最低的效果。 再者，本發明的導流結構13内且接近於底部133處 設有一第一空間135 ,以供原本需設置於該風扇i外邹之 第一電路裝置14(例如：轉換器（inverter)、控制器 (Controller)或馬達驅動! 慧路可砝由一 鎖固元件 138 (例如螺絲或鉚釘或其他共有思*定功能的元件）而& 裝固定於第一空間135内的内侧壁136上，而達到節省办 間及透過導流結構13本身的結構強度來達到保護第〜電 路裝置14等效果。 ^ *I!r *:=,-' ft I I % i * ~ ·;ι：.·-^ ft又導流結構l3的頂面找味悉夕一穿孔l37，用 以供第一電路裝置14之線路通^#孔137後而與外界或 第二電路裝置15電性連接乂本實施例之蓋板17係與讀導 流結構13之内侧壁136的底部連接，俾當蓋板17蓋合於導 流結構13之底部時，使安裝於該第一空間135内的第〜 〜電 路裝置14内藏而不外露《於其他實施例中，第一電路筆 置14亦可以藉由至少一鎖固元件138固定於蓋板17上，，而 非固定於導流結構13之内侧壁13 6上。 第二電路裝置15於本實施例中可以為一電路极，談 電路板上則設有風扇1的驅動電路，該第二電路裴置15係 09铷物2、〇 表單鎢號A0101 第8頁/共16頁 [0018] 201033478 [0019] 參 [0020] [0021] 設置於馬達12與導流結構13之頂面131距離一預定^产 形成的第二空間122内，且該電路板上具有至少—穿孔 151 ’用.以與該馬達12之定子下方的卡勾部M3連接。另 於其他實施例中，第二電路裝置15亦可以藉由至少—鎖 固元件固定於馬達12上_。 綜上所述，本發明係藉由導流結構之形狀設計亦 即使導流結構之外徑自導流結構之頂部漸擴至導流钟構 之底部’即可使轴流式之風扇改變其出風方向，達到離 心式風扇之功能’並可保有轴流式風扇高效率、出風量 大、和低嗓音之優點。再者’本發明於導流結構内且接 近於底部處設有一第一空間，.使,原本需.設置於該夙扇本 體外部之電路可安裝於第一空埒杓，可以達到節省空間 及透過導流結構本身來保護電路等效果。 以上所述僅為舉例性，而非為限制性者。任何未脫 離本發明之精神與範疇，1产其^行之等效修改或變更 ，均應包含於後附之!一 【圖式簡單說明】' Uftice 第1圏係依據本發明較佳實施例的一種風扇之立趙圖； 第2圖係沿第1圖中A-A，剖面線之刳視圖；及 第3圖係第1圖的風扇與蓋板之立體分解圖。 [0022] 【主要元件符號說明】 I 風扇 II 蜜輪 m 輪轂 ]12 扇葉 098107835 表單編號A0101 第9頁/共16頁 0982012792-0 201033478 ❹ 平衡孔 入風槽 底面 肋條 入風孔 馬達 轴管部 第二空間 卡勾部 導流結構 頂面 頂部 底部 外環面 第一空間 内側壁 穿孔 鎖固元件 第一電路裝置 第二電路裝置 穿孔 導引環 蓋板 入風口 出風口 098107835 表單編號A0101 第10頁/共16頁 0982012792-0 201033478 專利案件公開書目資料 申請實體審査：有 申請案號：098107835 申請日期：中華民國98 (2009)年3月11曰 專利名稱：風扇及其導流結構[0010] 入 The inlet of the fan is located above the air outlet of the axial flow fan, and the outer diameter of the flow guiding structure is gradually extended from the top of the guiding structure to the bottom of the guiding structure to change the axial fan The flow of the airflow sent by the air outlet; in addition, the flow guiding structure has a first space therein to provide an external circuit or device installed in the first space. As described above, the fan of the present invention and the flow guiding structure thereof have an outer diameter of the flow guiding structure from the top of the guiding structure to the bottom of the flow guiding structure, so that the airflow follows the outer ring of the guiding structure. When the surface flows and is sent out, the flow direction is changed; and a first space is arranged in the flow guiding structure, so that the external circuit can be installed in the first space, and compared with the prior art, the present invention can not only connect to change the wind. The square < also has the advantages of high efficiency, large air volume and low noise volume. 'The disk has space saving and the advantage of protecting the circuit through the flow guiding structure itself. β Embodiments Please refer to the 1st circle at the same time. And the first whip, the dance fan 1 can be an axial flow fan, including: the first one: '12, a flow guiding structure 13, a first circuit device 1 circuit device 15, a guide 51 ring 16 and A cover plate 17. The impeller 11 has a wheel set 111 and a plurality of «112. The blades 112 are placed on the outer surface of the wheel (1), and the horse is coupled to the impeller to drive the impeller U to rotate. Furthermore, the upper surface of the hub lu has a plurality of flat ships 113. When the leaves of the button are in an unbalanced operation, the balance material 113 can be filled with the appropriate balance material in accordance with the state in which the impeller 11 is shaken to make the fan The impeller u can balance the rotation without shaking. 098107835 Form No. A0101 Page 6 of 16 0982012792-0 201033478 [0012] Further, the hub 111 of the fan 1 has an air inlet 114 in the center thereof, and the inner wall surface of the air inlet 114 is hollowed out, and is connected to the hub 111. The inner motor 12 and the second circuit device 15 are in communication with each other, and a plurality of ribs 116 are looped between the bottom surface 115 of the air inlet 114 and the hub 111 at an appropriate interval, and are reinforced by the ribs 116. In addition to the joint strength between the bottom surface 115 of the wind tunnel 114 and the hub 111, and through the spacing of the ribs 116, a plurality of air inlet holes 117 are formed on the inner wall surface of the air inlet groove 114. At this time, the air volume can pass through the fan 1 Outside the air inlet 18, the air inlet hole 117 of the inner wall surface of the air inlet 114 can be used to achieve the heat dissipation effect of the motor 12 and the second circuit device 15 by the amount of air entering the air inlet hole 117. [0013] The flow guiding structure 13 is disposed under the motor 12, and one of the top surfaces 131 of the flow guiding structure 13 is vertically connected to one of the shaft portions 121 of the motor 12, and the outer diameter of the guiding structure 13 is self-guided. The top portion 132 of the flow structure 13 is gradually expanded to the bottom portion 133 of the flow guiding structure 13 such that the outer annular surface 134 of the flow guiding structure 13 forms at least one curved surface (or a slope); in other embodiments, the shaft tube of the motor 12 The portion 121 and the flow guiding structure 13 may also be integrally formed.内侧[0014] The inner annular surface of the guide ring 16 is coupled to the outer edge of the fan blade 112, and the top edge of the guide ring 16 forms the air inlet 18 of the fan 1, the bottom edge of the guide ring 16 and the flow guiding structure 13 The outer annular surface 134 forms an air outlet 19 of the fan 1, and the diameter of the guiding ring 16 tapers from the top edge of the guiding ring 16 to the top edge of the joint between the guiding ring 16 and the blade 112. To guide more airflow from the air inlet 18, wherein the direction in which the airflow flows in from the air inlet 18 is substantially perpendicular to the direction in which the airflow exits the air outlet 19. [0015] When the impeller 11 is rotated by the motor 12, the guide ring 16 rotates together with the impeller 12, and the air flow flows in through the air inlet 18, and then follows the guide 098107835 Form No. A0101 Page 7 of 16 Page 0982012792-0 201033478 [0016] [0017] 098 098107835 The outer annular surface 134 of the flow structure 13 flows and flows out of the air outlet 19, so that the direction in which the airflow flows out of the air outlet 19 is different from when the airflow flows in through the air inlet 18. The direction, that is, the direction in which the airflow flows from the air inlet 18 and the direction in which the airflow flows out of the air outlet 19 are substantially perpendicular to each other, and functions as a conventional centrifugal fan; therefore, the shape of the flow guiding structure 13 is designed. It can achieve the effect of changing the direction of the hot air flow and the pressure loss of the airflow in the process of changing the flow direction. Furthermore, a first space 135 is provided in the flow guiding structure 13 of the present invention and close to the bottom portion 133 for the first circuit device 14 (for example, an inverter, which is originally required to be disposed outside the fan i). Controller or motor drive! The Huilu can be mounted on the inner side wall 136 of the first space 135 by a locking element 138 (such as a screw or rivet or other common function) The effect of protecting the first circuit device 14 and the like is achieved by saving the structure and the structural strength of the flow guiding structure 13 itself. ^ *I!r *:=, -' ft II % i * ~ ·;ι:.· -^ ft and the top surface of the flow guiding structure l3 finds a hole l37 for the first circuit device 14 to pass through the hole 137 and electrically connected to the outside or the second circuit device 15 The cover plate 17 is connected to the bottom of the inner side wall 136 of the read flow guiding structure 13, and when the cover plate 17 is covered at the bottom of the flow guiding structure 13, the first to the circuit mounted in the first space 135 The device 14 is built in and not exposed. In other embodiments, the first circuit pen 14 can also be provided by at least one locking component 13 8 is fixed on the cover plate 17, instead of being fixed on the inner side wall 13 of the flow guiding structure 13. The second circuit device 15 can be a circuit pole in the embodiment, and the fan 1 is arranged on the circuit board. Driving circuit, the second circuit device 15 is 09 铷 2, 〇 form tungsten No. A0101, page 8 / total 16 pages [0018] 201033478 [0019] [0020] [0021] set in the motor 12 and the flow guiding structure The top surface 131 of the 13 is located within a predetermined second space 122, and the circuit board has at least a perforation 151' for connection with the hook portion M3 below the stator of the motor 12. Other implementations In the example, the second circuit device 15 can also be fixed to the motor 12 by at least a locking component. In summary, the invention is designed by the shape of the flow guiding structure and even if the outer diameter of the guiding structure is self-directing. The top of the structure is gradually expanded to the bottom of the diversion clock structure', so that the axial flow fan can change its air outlet direction to achieve the function of the centrifugal fan', and the axial flow fan can maintain high efficiency, large air volume, and low The advantage of the voice. Furthermore, the invention is embodied in the flow guiding structure and close to the bottom. A first space, which is originally required. The circuit disposed outside the fan body can be installed in the first space, which can save space and protect the circuit through the flow guiding structure itself. It is intended to be illustrative, and not restrictive. Any equivalents and modifications of the invention may be included in the following: a [simplified illustration] Uftice 1圏 is a vertical diagram of a fan according to a preferred embodiment of the present invention; FIG. 2 is a cross-sectional view taken along line AA of FIG. 1; and FIG. 3 is a perspective view of the fan and the cover of FIG. Exploded map. [0021] Description of the main components: I Fan II Honey Wheel m Hub]12 Blade 098107835 Form No. A0101 Page 9 of 16 0982012792-0 201033478 平衡 Balance hole into the bottom of the wind rib into the air shaft motor shaft tube Second space hook hook flow guiding structure top surface top bottom outer ring surface first space inner side wall perforation locking element first circuit device second circuit device perforating guide ring cover air inlet air outlet 098107835 Form No. A0101 Page 10 / Total 16 pages 0982012792-0 201033478 Patent case public bibliographic data application entity review: application number: 098107835 Application date: Republic of China 98 (2009) March 11 曰 Patent name: fan and its diversion structure
FAN AND AIRFLOW GUIDING STRUCTURE THEREOF 申請人： 台達電子工業股份有限 DELTA ELECTRONICS，INC· 公司 桃園縣龜山鄕山鶯路252號FAN AND AIRFLOW GUIDING STRUCTURE THEREOF Applicant: Delta Electronics Industry Co., Ltd. DELTA ELECTRONICS, INC· Company No. 252, Shanshan Road, Guishan, Taoyuan County
發明/創作人： 許家銘 HSU, CHIA MING 張楣成 CHANG, SHUN CHEN Φ 林麗真 LIN, LI CHENInvention/Creator: Xu Jiaming HSU, CHIA MING Zhang Yucheng CHANG, SHUN CHEN Φ Lin Lizhen LIN, LI CHEN