M305924 八、新型說明： [新型所屬之技術領域】 ' 本創作涉及一種導風罩，尤指一種用於電腦散熱系統 之組合式導風罩。 [先前技術】 由於電子產業之快速升級，已發展出許多高精密度之 電子元件，這些電子元件隨著電腦技術之發展，其運作之 速度曰益增加，其所產生之熱量亦隨之增加。CPU (中央 處理單元）等電子元件處理能力不斷升級，其散熱用之散 熱裝置也隨之多樣化，一般使用之散熱裝置係由散熱器與 風扇組合而成，散熱器其中一表面與電子元件接觸，另一 表面形成複數具有一定間距之散熱鰭片，該散熱鰭片之間 形成氣流流道，而風扇設於與該散熱器氣流流道相通之一 侧，從而加快其熱對流速度，但是如此容易產生熱氣流回 流現象，影響散熱效率，造成系統不穩定或者當機等現象。 為避免熱氣流回流現象，一般於系統内設置一導風 罩，該導風罩直接鎖固於系統外殼上，系統外殼對應該導 風罩之位置設有與外界相通之若干通孔，導風罩與散熱器 之間藉由一分別與該導風罩與散熱器連接之結構件相連 接，從而藉由鎖固於系統外殼上之風扇，使進入系統内之 新鮮空氣及系統運作產生之高溫氣體，能夠經由導風罩之 導引以抽風方式排出系統外。然而此種導風裝置係藉由結 構件分別與導風罩及散熱器連接，組裝時需經由多次扣合 才能組裝成一體，因此不僅元件較多且扣合複雜，生產及 M305924 組裝成本較高。 對於伺服器，由於其内部功能模組之增加以及模組化 -之設計，大量積體電路組合在一起，使得熱源增多，同時 ，使伺服器機箱内之散熱空間受到一定程度限制，因此散熱 問題在伺服器中尤為突出。然而上述導風裝置僅形成一中 空罩體，CPU與記憶體等散熱元件共用一個導風通路，由 於散熱元件位置不同，會使其散熱不均，影響散熱效率。 【新型内容】 * 鑒於以上内容，有必要提供一種結構簡單、成本較低 且能有效提高散熱效率之組合式導風罩。 一種組合式導風罩，其具有一第一罩體，該第一罩體 被固定於一機箱内，該第一罩體兩侧壁上分別設有一開 口，該組合式導風罩還包括一第二罩體，該第二罩體兩侧 壁上對應於該兩開口分別設有一卡固件，該第二罩體藉由 該兩卡固件與該兩開口之配合被卡合於該第一罩體内，該 Φ 第一罩體導引氣流將一第一電子元件所散發之熱量排出至 該機箱外部，該第二罩體導引氣流將一第二電子元件所散 發之熱量排出至該機箱外部。 相對於習知技術，該組合式導風罩安裝於機箱内時， 能很好控制空氣氣流之流動方向，幫助CPU與記憶體散 熱，保證伺服器正常運行，防止因過熱而死機造成服務中 斷。且若要更換散熱器、CPU或記憶體時，只需將機箱後 板上之固定件拔起，以該側壁上之鉚接部為支點，將該導 風罩一側掀開即可實現，無需拆卸該裝置，使該組合式導 M305924 風罩結構簡單、操作方便。 【實施方式】 • 請參閱圖1及圖2，本創作組合式導風罩10之較佳實 ‘施方式具有一第一罩體11及一卡合於該第一罩體11内之 第二罩體13。 該第一罩體11為一中空罩體，其具有一頂壁111，沿 該頂壁111兩側邊緣分別垂直向下延伸一侧壁113及另一 侧壁115。該頂壁ill大致呈滑梯狀，且其從前至後面積 _ 依次增大，將該第一罩體分為一入風段112、一導風段114 及一出風段116，該出風段116之高度大於該入風段112 之高度，該導風段114位於該入風段112與該出風段116 之間。位於該導風段114之部分侧壁113上設有一開口 1135,該開口 1135之正下方自該侧壁113底邊端緣垂直向 上開設一滑槽1137。位於該入風段112之部分側壁113上 凸設一鉚接部1131，該鉚接部大致呈倒“U”形。該導風 • 段114之另一侧壁115上設有一開口 1155，該開口 1135 之正下方自該侧壁115底邊端緣垂直向上開設一滑槽 1157。該出風段116之頂壁111前侧邊緣垂直向上延伸一 折邊1111。該出風段116之侧壁113前侧邊緣上部垂直向 外延伸一折邊1132，該折邊1132上設有一固定孔1133。 該出風段116之侧壁115前側邊緣上部垂直向外延伸一折 邊1151，該折邊1151上設有一固定孔1152。該折邊1111、 1132及1151連為一體。該出風段116之前端邊緣圍成一 出風口 117,該入風段112之後端邊緣圍成一入風口 119° M305924 該第二罩體13位於該第一罩體Π之導風段114内， 其具有一斜面131’且該斜面131從纟ίι至後寬度依次減小， -沿該斜面131外側邊緣垂直向下延伸一侧壁133，該侧壁 .133前部高度大於後部高度’該側壁133前部對應於該第 一罩體11側壁113上之開口 1135設有一彈性卡固件 1331，該彈性卡固件1331之正下方對應於該第一罩體11 侧壁113上之滑槽1137設有一滑軸1335，該侧壁133底 邊垂直於該滑軸1335凸設一擋止部1337,該滑軸1335與 ® 該擋止部1337形成一倒“Τ”形。該擋止部1337到該卡 固件1331之距離與該滑槽1137底部到該開口 1135之距 離相等。沿該斜面131内侧邊緣前端垂直向下延伸一侧壁 135，後端垂直向下延伸一三角壁137，該三角壁137之一 側與該側壁135相連接，該侧壁135之高度大於該三角壁 137之高度。該侧壁135上端對應於該第一罩體11側壁 115上之開口 1155設有一彈性卡固件1351，該彈性卡固 φ 件1351之正下方對應於該第一罩體11側壁115上之滑槽 1157設有一滑軸1355,該侧壁135底邊垂直於該滑軸1355 凸設一擋止部1357,該滑轴1355與該擋止部1357形成一 倒“Τ”形。該擋止部1357到該卡固件1351之距離與該 滑槽1157底部到該開口 1155之距離相等。該斜面131、 該侧壁133及該侧壁135前端圍成一出風口 139。 組裝該導風罩10時，將該第二罩體13兩侧壁133、 135上之彈性卡固件1331、1351順著該第一罩體11兩側 壁113、115上開口 1135、1155之方向，推入該第一罩體 M305924 11内，使該第二罩體13之彈性卡固件1331、1351卡止於 該第一罩體11之開口 1135、1155内，該第二罩體13之滑 -軸1335、1355分別滑入該第一罩體11兩侧壁113、115 —上之滑槽1137、1157内，該第二罩體13之擋止部1337、 1357分別擋止於該滑槽1137、1157底部，則該第二罩體 13被固定於該第一罩體11内，形成該組合式導風罩1〇。 請繼續參閱圖3及圖4,該導風罩10被安裝於一機箱 内，一主機板15上之部分電子元件被罩於該導風罩1〇内 ® 部，該主機板15上裝設有兩個風扇151，該風扇151位於 該導風罩10之入風口 119處。該導風罩10之出風段116 上之固定孔1133、1152分別藉由一固定件191將該導風 罩10固定於一後板19上，該後板19上裝設有一系統風 扇193,該導風罩1〇之出風口 117罩於該系統風扇193上。 該導風罩10之侧壁113上之鉚接部1131藉由一鉚釘171 將該導風罩10樞轉固定於一支架17上，則該導風罩1〇 φ 被固定於該機箱内。 請參閱圖5,該第一罩體11罩於一第一電子元件上， 在本實施例中，該第一電子元件為一中央處理器153及一 散熱器157，該中央處理器153及該散熱器157被罩於該 第一罩體11之入風段112内，該系統風扇193被罩於該 第一罩體11之出風段116内，該第二罩體13罩於一第二 電子元件上，在本實施例中，該第二電子元件為一記憶體 159。圖中所示箭頭方向為氣流流動方向。當主機運作時， 該導風罩10之入風口 119藉由該風扇151將機箱内冷空M305924 VIII. New description: [New technical field] 'This creation relates to an air hood, especially a combined air hood for computer cooling system. [Prior Art] Due to the rapid upgrade of the electronics industry, many high-precision electronic components have been developed. With the development of computer technology, the speed of its operation has increased, and the heat generated by it has also increased. The processing power of electronic components such as CPU (Central Processing Unit) is constantly upgrading, and the heat dissipation device for heat dissipation is also diversified. The heat sink used in general is composed of a heat sink and a fan, and one surface of the heat sink is in contact with electronic components. The other surface forms a plurality of heat dissipating fins having a certain interval, and an air flow path is formed between the heat dissipating fins, and the fan is disposed on one side of the airflow passage of the radiator to accelerate the heat convection speed, but It is easy to generate hot air reflow phenomenon, affecting heat dissipation efficiency, causing system instability or crash. In order to avoid the phenomenon of hot air flow recirculation, an air hood is generally disposed in the system, and the air hood is directly locked on the system casing, and the system casing is provided with a plurality of through holes communicating with the outside of the air hood at the position of the air hood. The cover and the heat sink are connected by a structural member respectively connected to the air hood and the heat sink, so that the fresh air entering the system and the high temperature generated by the system operation are obtained by the fan locked on the system casing. The gas can be exhausted out of the system by the guidance of the air hood. However, the air guiding device is connected to the air guiding hood and the heat sink by the structural components respectively, and can be assembled into one body through multiple fastenings during assembly, so that not only the components are large but also the fastening is complicated, and the assembly cost of the production and M305924 is relatively high. high. For the server, due to the increase of its internal functional modules and the modularization design, a large number of integrated circuits are combined to increase the heat source, and at the same time, the heat dissipation space in the server chassis is limited to a certain extent, so the heat dissipation problem Especially prominent in the server. However, the air guiding device only forms a hollow cover, and the CPU and the heat dissipating component such as the memory share a wind guiding passage. Due to the different positions of the heat dissipating components, the heat dissipating is uneven, which affects the heat dissipating efficiency. [New content] * In view of the above, it is necessary to provide a combined air hood that is simple in structure, low in cost, and can effectively improve heat dissipation efficiency. A combined air hood has a first cover, the first cover is fixed in a casing, and an opening is respectively disposed on each side wall of the first cover, the combined air hood further includes a The second cover body is respectively provided with a fastener corresponding to the two openings on the two side walls of the second cover body, and the second cover body is engaged with the first cover by the cooperation of the two fasteners and the two openings In the body, the Φ first cover guides the airflow to discharge the heat emitted by the first electronic component to the outside of the chassis, and the second cover guides the airflow to discharge the heat emitted by the second electronic component to the chassis. external. Compared with the prior art, when the combined air hood is installed in the chassis, it can well control the flow direction of the air flow, help the CPU and the memory to dissipate heat, ensure the normal operation of the server, and prevent the service interruption caused by the overheating. In order to replace the heat sink, the CPU or the memory, simply pull up the fixing member on the rear panel of the chassis, and use the riveting portion on the side wall as a fulcrum to open the side of the air guiding hood. The device is disassembled, so that the combined guide M305924 wind hood is simple in structure and convenient to operate. [Embodiment] Please refer to FIG. 1 and FIG. 2 . The preferred embodiment of the present invention has a first cover 11 and a second engagement with the first cover 11 . Cover 13 . The first cover 11 is a hollow cover having a top wall 111, and a side wall 113 and another side wall 115 extend vertically downward along the two side edges of the top wall 111. The top wall ill is substantially in the shape of a slide, and the front cover _ is sequentially increased. The first cover is divided into an air inlet section 112, a wind guide section 114 and an air outlet section 116. The height of 116 is greater than the height of the air inlet section 112, and the air guiding section 114 is located between the air inlet section 112 and the air outlet section 116. An opening 1135 is defined in a portion of the side wall 113 of the air guiding section 114. A sliding slot 1137 is vertically defined from the bottom edge of the side wall 113 directly below the opening 1135. A rivet portion 1131 is protruded from a portion of the side wall 113 of the air inlet portion 112, and the rivet portion has a substantially inverted U shape. The other side wall 115 of the air guiding section 114 is provided with an opening 1155. A sliding slot 1157 is defined vertically from the bottom edge of the side wall 115 directly below the opening 1135. The front side edge of the top wall 111 of the air outlet section 116 extends vertically upwards by a flange 1111. The upper side of the front side edge of the side wall 113 of the air outlet section 116 extends vertically outwardly with a flange 1132. The flange 1132 is provided with a fixing hole 1133. The upper side of the front side edge of the side wall 115 of the air outlet section 116 extends vertically outwardly by a flange 1151. The flange 1151 is provided with a fixing hole 1152. The flanges 1111, 1132 and 1151 are integrated. The front end edge of the air outlet section 116 is defined as an air outlet 117. The rear end edge of the air inlet section 116 is surrounded by an air inlet 119. M305924. The second cover 13 is located in the air guiding section 114 of the first cover body. It has a slope 131' and the slope 131 is sequentially reduced from 纟ίι to the rear width, - a side wall 133 extends vertically downward along the outer edge of the slope 131, and the front surface of the side wall .133 is greater than the rear height. An elastic fastener 1331 is disposed on the front surface of the side wall 133 corresponding to the opening 1135 of the side wall 113 of the first cover 11. The elastic fastener 1331 is directly below the sliding slot 1137 of the side wall 113 of the first cover 11. There is a sliding shaft 1335. A bottom portion of the side wall 133 is perpendicular to the sliding shaft 1335. A sliding portion 1337 is formed. The sliding shaft 1335 and the stopping portion 1337 form an inverted "Τ" shape. The distance from the stopper 1337 to the fastener 1331 is equal to the distance from the bottom of the chute 1137 to the opening 1135. A side wall 135 extends vertically downward along the front end of the inner edge of the inclined surface 131, and a triangular wall 137 extends vertically downward from the rear end. One side of the triangular wall 137 is connected to the side wall 135. The height of the side wall 135 is greater than the triangle. The height of the wall 137. An elastic fastener 1351 is disposed on the upper end of the side wall 135 corresponding to the opening 1155 of the side wall 115 of the first cover 11. The elastic locking member 135 is directly below the sliding groove on the side wall 115 of the first cover 11. A sliding shaft 1355 is disposed on the bottom side of the side wall 135. A sliding portion 1357 is formed perpendicular to the sliding shaft 1355. The sliding shaft 1355 forms an inverted "Τ" shape with the stopping portion 1357. The distance from the stopper 1357 to the fastener 1351 is equal to the distance from the bottom of the chute 1157 to the opening 1155. The inclined surface 131, the side wall 133 and the front end of the side wall 135 define an air outlet 139. When the air hood 10 is assembled, the elastic fasteners 1331 and 1351 on the side walls 133 and 135 of the second cover 13 follow the openings 1135 and 1155 of the side walls 113 and 115 of the first cover 11. Pushing into the first cover M305924 11, the elastic fasteners 1331, 1351 of the second cover 13 are locked in the openings 1135, 1155 of the first cover 11, and the second cover 13 is slipped - The shafts 1335 and 1355 are respectively slid into the sliding grooves 1137 and 1157 of the two side walls 113 and 115 of the first cover body 11. The blocking portions 1337 and 1357 of the second cover body 13 respectively block the sliding groove 1137. At the bottom of 1157, the second cover 13 is fixed in the first cover 11 to form the combined air hood 1 . Continuing to refer to FIG. 3 and FIG. 4 , the air hood 10 is mounted in a casing, and a part of the electronic components on the main board 15 are covered in the air hood 1 , and the main board 15 is mounted on the main board 15 . Two fans 151 are located at the air inlet 119 of the air hood 10. The fixing holes 1133 and 1152 of the air outlet portion 116 of the air hood 10 are respectively fixed to a rear plate 19 by a fixing member 191. The rear plate 19 is provided with a system fan 193. The air outlet 117 of the air hood 1 is placed on the system fan 193. The rivet portion 1131 of the side wall 113 of the air hood 10 is pivotally fixed to a bracket 17 by a rivet 171, and the air hood 1 φ φ is fixed in the casing. Referring to FIG. 5, the first cover 11 is covered on a first electronic component. In this embodiment, the first electronic component is a central processing unit 153 and a heat sink 157. The central processing unit 153 and the The heat sink 157 is disposed in the air inlet section 112 of the first cover body 11. The system fan 193 is housed in the air outlet section 116 of the first cover body 11, and the second cover body 13 is covered by a second electronic component. In the embodiment, the second electronic component is a memory 159. The direction of the arrow shown in the figure is the direction of airflow. When the host is in operation, the air inlet 119 of the air hood 10 cools the inside of the chassis by the fan 151
M3 05924 氣不斷吸人該散熱H 157内部，進而冷卻該中央處理器i53 所產生之熱量，且將熱空氣排出於該第—罩體^之内部 空間内。該記賴i59職生之熱量舰排出於該第二罩 體13之㈣空_。此時該系統風扇193不斷將該第一 罩體11與該第二罩體13内部空間之熱空氣藉由該後板以 上之散熱孔排出至機箱外部’形成冷風進熱風出之散孰效 龜。 … 本創作組合式導風罩安裝於機箱㈣，能很好控制空 氣^之流動方向’幫助CPU與記憶體散熱，保證飼服器 正系運行，防止因過熱而當機造成服務中斷。且若要更換 散熱器、CPU或記憶體時，只需將該後板19上之固定件 191拔起，以該側壁113上之鉚接部1131為支點，將該導 風罩10 -側掀開即可實現，無需拆卸該裝置，使該組合 式導風罩結構簡單、操作方便。 【圖式簡單說明】 圖1係本創作組合式導風罩較佳實施方式之立體分解圖。 圖2係圖1中第二罩體之一立體圖。 圖3係本創作組合式導風罩與一機箱之立體組裝圖。 圖4係本創作組合式導風罩與-機箱另-角度之立體組 裝圖。 圖5係本創作組合式導風罩在機箱内之剖面示意圖。 【主要元件符號說明】 導風罩 頂壁 10 第一罩體 11 111 折邊 1111 11 % M305924M3 05924 gas continuously sucks the inside of the heat dissipation H 157, thereby cooling the heat generated by the central processing unit i53, and discharging the hot air into the inner space of the first cover body ^. The heat ship of the i59 is discharged from the (four) empty _ of the second cover 13 . At this time, the system fan 193 continuously discharges the hot air of the first cover 11 and the inner space of the second cover 13 through the heat dissipation holes above the rear plate to the outside of the chassis to form a divergent effect turtle that forms a cold air into the hot air. . The creative combined air hood is installed in the chassis (4), which can well control the flow direction of the air ^ to help the CPU and the memory to dissipate heat, and ensure that the feeding device is running in a normal manner to prevent service interruption caused by overheating. If the heat sink, the CPU or the memory is to be replaced, the fixing member 191 on the rear plate 19 is simply pulled up, and the rivet portion 1131 on the side wall 113 is used as a fulcrum to open the air hood 10 side. It can be realized without disassembling the device, so that the combined air hood is simple in structure and convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a preferred embodiment of the present combined air deflector. Figure 2 is a perspective view of a second cover of Figure 1. FIG. 3 is an assembled view of the assembled air hood and a chassis of the present invention. Figure 4 is a three-dimensional assembly diagram of the combined air hood and the chassis. Figure 5 is a schematic cross-sectional view of the combined air hood of the present invention in the chassis. [Main component symbol description] Air hood Top wall 10 First cover 11 111 Folding 1111 11 % M305924
入風段 112 侧壁 113 鉚接部 1131 折邊 1132 固定子匕 1133 開口 1135 滑槽 1137 導風段 114 側壁 115 折邊 1151 固定子L 1152 開口 1155 滑槽 1157 出風段 116 出風口 117 入風口 119 第二罩體 13 斜面 131 側壁 133 卡固件 1331 滑軸 1335 擋止部 1337 侧壁 135 卡固件 1351 滑軸 1355 擋止部 1357 三角壁 137 出風口 139 主機板 15 風扇 151 中央處理器 153 散熱器 157 記憶體 159 支架 17 鉚釘 171 後板 19 固定件 191 系統風扇 193 ⑧ 12Inlet section 112 Side wall 113 Riveting part 1131 Flange 1132 Fixing pin 1133 Opening 1135 Chute 1137 Wind deflecting section 114 Side wall 115 Folding 1151 Fixing L 1152 Opening 1155 Chute 1157 Outlet section 116 Air outlet 117 Air inlet 119 Second cover 13 Bevel 131 Side wall 133 Fastener 1331 Sliding shaft 1335 Stop 1337 Side wall 135 Fastener 1351 Sliding shaft 1355 Stop 1357 Triangle wall 137 Air outlet 139 Motherboard 15 Fan 151 Central processor 153 Radiator 157 Memory 159 Bracket 17 Rivet 171 Rear panel 19 Mounting 191 System fan 193 8 12