200907546 九、發明說明： 【發明所述之技術領域】 本發明係關於一色輪，尤其涉及一可高效散熱之 色輪。 【先前技術】200907546 IX. INSTRUCTIONS: [Technical Field] The present invention relates to a color wheel, and more particularly to a color wheel that can efficiently dissipate heat. [Prior Art]
投影系統依其原理可以區分爲液晶投影系統 (Liquid Crystal Display，LCD)，單晶矽液晶投影系統 (Liquid Crystal on Silicon，LCOS)及數位光源處理技術 投影系統（Digital Light Processing，DLP)等，其中，DLP 投影系統具有亮度高，色彩重現準確，響應時間短， 無雜訊及輕薄短小之優點，已經成爲目前主流之投影 糸統之一。 於DLP式投影系統中，係採用數位控制，並利用 反射原理’將光源集中之後藉由透鏡聚焦，再穿過具 有衫色遽光之色輪後’投射至數字微晶片（DigUai MiCr0-mirrorDevice，DMD)上，由於微晶片上具有許多 微小之可動鏡片’藉由驅動電極控制可動鏡片傾斜角 度及偏轉時間’再藉由切換光之及鼾 几 < 汉射方向經鏡頭組投 射至熒篡卜杰德。 請參閱圖1 ’ -習知之色輪！，其主要包括 -彩色濾光片12及一蓋片13。其中，彩色濟光 12 —面利用粘膠固定於馬達11上， 與盍片13相钻接。目前産業界所使用之濾光片12 由數片不同顏色之玻璃板組合而$，、，片 叫成，亚且彩色濾光 200907546 u與蓋片13設置成便於與馬達之車由心蓋相配合之環 形。由在於投影系統中’色輪設置於一光源之後，因 此於投影糸統工作時’色輪會接收到相當高之埶量並 =度,速：高。普通色輪使用之”膠之耐熱溫度 :如50度至度之間，光源發出之熱大約於Μ。 y度之間’故枯膠於該溫度下容易發生脆化現 象而造成彩色濾、光片12與馬達之間之_4下降1 時，由於色輪旋轉時之離心力之作用使得所述彩色濾 =12谷易發生易位甚至脫落之現象，進而造成産品 品备之下降。 【發明内容】 有鑒在此，有必要提供一高效散熱之色輪。 遽光片及一端蓋。所 色輪，其包括一馬達 , ·*ΤΠ? frrf Γ) 1 \ 述馬達包括-轉轴，所述渡光片套設於所述馬達之賴 ，上’並失設於馬達與端蓋之間。所述端蓋還包括一 散熱部’所述散熱部包括一底板、多埶 連接裝置。所述多個散熱縛片及所述連接裝 置於所述底板之相對兩侧。所述端蓋藉由其連接裝置 將遽光片固設於所述馬達之轉軸上。 相較於先前技術，所述色輪採用於端蓋上設置散 熱鳍片’從而將色輪運轉時之熱量加速散發，從而降 低色輪運轉時之溫度。從而提高該色輪/浙 【實施方式】 口口貝° 以下將結合附圖對本發明作進一步之詳細說明。 200907546 清麥閱圖2，本發明色輪之第/較佳實施例，所述 色輪100包括一馬達42、一濾光>；48及一端蓋10。 所述馬達42包括一轉軸乜。所述濾光片48套設於馬 達42之轉轴46上。所述端蓋1〇固設於所述馬達之轉 轴46之端部’使濾光片48夾設於馬達42及端蓋1〇 之間。 所述端蓋10包括—散熱部12及一連接板14，所 述政熱部12固設於連接板14上。所述散熱部12及連 接板14由可導熱材料如金屬、導熱高分子材料製成。 所述散熱部12及所述連接板之大小及形狀可依據應用 忒端蓋10之色輪之不同而設計相應之尺寸及形狀。本 實施中優選所述散熱部12及連接板14爲大小相同之 圓形。 所述散熱部12包括—底板ι21，該底板ι21包括 第一表面122及相對第—表面之第二表面124。該底板 121之第一表面122上形成有多個垂直於該底板ι21之 散熱鰭片126。所述散熱鰭片126可以按照規則之排列 方式排列於底板121之第一表面122上，如圖3所示 之横縱垂直交錯之矩陣排列方式，或者如圖4所示之 鄰排錯位之交叉排列方式。所述每一散熱鰭片126可 以係由導熱材料製成之具有任意截面形狀之桿狀。可 以理解，所述散熱籍片126也可以係如圖5所示之多 個相互間隔且平行排列薄板組成，該薄板狀之散熱轉 片126也可組成如目6所示之多個微型散熱鰭片陣列 200907546 128，該微塑散熱縛片陣列128相互間隔—定角度形成 於所述底板121之第一表面124上。可以理解^所述 散熱鰭片126也可以係非規則排列而構 錢 列126。所述散熱部12之第二表面124固接; 接板14上。可以理解，所述散熱鰭片126也可以係根 據空氣動力學設計之螺旋狀，以便形成風道，使散熱 鰭片126周圍之介質便於流動而提高散熱效率。 … 所述連接板14’包括一正面142及—與該正面ι42 相對之背面144。所述連接板14之正面U2與所述散 熱部12之底板121之弟一表面124相固接。所述連接 板14之负面144之中心位置形成有一軸孔146，該軸 孔14 ό用所述馬達4 2之轉軸4 6相配合從而將所述渡 光片4 8固設於所述轉軸4 6上。可以理解，所述濾光 片48也可預先藉由粘膠與馬達42相固接。 本實施例中，所述色輪1〇〇之端蓋1〇上設置有散 熱鰭片陣列126。於使用時，所述馬達42之轉轴46帶 動所述端蓋10轉動，因爲該端蓋10採用導熱材料製 成，所以由濾光片48所吸收之來自光源（圖未示）所發 出光線之熱量將傳導至壓合於蓋濾光片48上之端蓋1〇 之底板121上，並由該底板傳導至設於該底板ι21 上之散熱鰭片陣列126上，並由該散熱鰭片陣列ι26 將熱量散發於外部介質（如空氣、水、油等）中。從 而起到有效散熱及降溫之效果。降低該色輪1〇〇工作 日π之溫度’同時提高了色輪之品質及可靠性。 9 200907546 請參閱圖7，本發明色輪之第二較佳實施例，色輪 200與色輪1〇〇之結構相似，其中相同之部件採用相同 之標號，在此將不再冗述，其區別在於： 爲减輕色輪200之端蓋2〇之重量及體積，所述端 蓋20省去連接板，且採用直接於所述端蓋1〇之底板 121之第二表面124之中部開設有一軸孔123，該端蓋 20藉由設置於底板121上之轴孔123與馬達42之轉軸 46相配合將所述濾光片48固設於所述轉軸上。 該實施例中，採用將軸孔123直接開設於所述散 熱部12之底板121上，從而可使端蓋2〇之重量及體 積减小，進而减小色輪2〇〇之體積及重量，更可達到 節省材料及降低成本之功效。 參閱圖8，本發明色輪之第三較佳實施例’該色輪 300與端盍200結構相似，其中相同之部件採用相同之 才示號’在此將不再冗述，其區別在於·. 爲提高散熱效率，於端蓋30之散熱部12之底板 121之第二表面124之中心處開設有一貫穿該底板-ΐ2ι 之階梯狀轴孔123。一風扇13對應所述散熱部12之第 一表面122設置於所述散熱部12之散熱鳍片上 方，即散熱籍片126相對濾光片48之一側，與相對 熱鰭片陣列126中之每一散熱鰭片128 — 〜4間隔— 疋距離。所述風扇13包括多個葉片132及一 得柄13 4， 所述多個葉片132間隔均勻之設置於所述轉柄η* 一端，所述轉柄134與葉片132相對之一㈣4 化》插入部分 10 200907546 .所述底板121之軸孔123中，與散熱部12連接成一體。 • 該端蓋30藉由設置於底板121上之軸孔123與馬達42 ‘ 之轉軸4 6相配合將所述濾光片4 8固設於所述轉軸4 6 上0 本貫施例中，採用將一風扇13設置於所述端蓋 之散熱部12之散熱鰭片陣列126之上方，從而於該端 蓋30隨馬達42之轉軸轉動時，藉由風扇13將加速所 述端蓋30之散熱部12周圍之介質之流動速度，從而 將由散熱部12之散熱鰭片陣列126中散發出之熱量加 速散$至外部介質中，提高該端蓋3〇之散熱效率。 綜上所述，本發明符合發明專利要件，爰依法 出專利申請。惟，以上所述者僅為本發明之較佳實2 方式本發明之範圍並不以上述實施方式為限，a 熟悉本案技藝之人士援依本發明之精神所作之=凡 飾或變化，皆應涵蓋於以下申請專利範圍内。、'修 【圖式簡單說明】 圖1係習知之一色輪之側視圖； 圖2係本發明色輪第一較佳實施例之剖視圖； 圖3係圖2中色輪之左視圖1 ; 圖4係圖2中色輪之左視圖2 ; 圖5係圖2中色輪之左視圖3; 圖6係圖2中色輪之左視圖4 ; 圖係本發明色輪第二較佳實施例之側視圖，· 圖係本發明色輪第三較佳實施例之侧視圖。 11 200907546 【主要元件符號說明】 (習知） 色輪 1 馬達 11 濾光片 12 蓋片 13 (本發明） 色輪 100,200,300 馬達 42 轉軸 46 瀘、光片 48 端蓋 10,20,30 散熱部 12 連接板 14 底板 121 第一表面 122 第二表面 124 散熱鰭片 126 散熱鰭片陣列 128 連接板 14 正面 142 背面 144 轴孑L 123,146 風扇 13 葉片 132 轉柄 134 12According to the principle, the projection system can be divided into liquid crystal display (LCD), liquid crystal on silicon (LCOS) and digital light processing (DLP). The DLP projection system has the advantages of high brightness, accurate color reproduction, short response time, no noise, light and thin, and has become one of the mainstream projection systems. In the DLP projection system, the digital control is used, and the reflection principle is used to focus the light source and then focus it through the lens, then pass through the color wheel with the color of the shirt and then project it onto the digital microchip (DigUai MiCr0-mirrorDevice, In DMD), since there are many tiny movable lenses on the microchip, the tilt angle and the deflection time of the movable lens are controlled by the driving electrodes, and then the light is switched by the angle of the light. Jed. Please refer to Figure 1 ’ - the color wheel of the known! It mainly includes a color filter 12 and a cover sheet 13. Among them, the color glaude 12 is fixed on the motor 11 by adhesive, and is drilled with the cymbal 13. At present, the filter 12 used in the industry is composed of a plurality of glass plates of different colors, and the film is called a sub-color filter 200907546 u and the cover sheet 13 is arranged to facilitate the car cover from the motor. Fit the ring. Because the color wheel is placed behind a light source in the projection system, the color wheel will receive a fairly high amount of light when the projector is operating and = speed, speed: high. The ordinary color wheel uses the heat resistance temperature of the glue: if it is between 50 degrees and degrees, the heat generated by the light source is about Μ. Between the y degrees, so the glue is easy to embrittle at this temperature and cause color filter and light. When the _4 between the film 12 and the motor drops by 1, the centrifugal force of the color wheel rotates, so that the color filter = 12 valley is liable to cause translocation or even falling off, thereby causing a decline in product quality. It is necessary to provide a highly efficient heat-dissipating color wheel. A calender and an end cap. The color wheel includes a motor, *ΤΠ? frrf Γ) 1 \ motor includes a shaft, said The light-passing sheet is sleeved on the motor, and is disposed between the motor and the end cover. The end cover further includes a heat-dissipating portion. The heat-dissipating portion includes a bottom plate and a plurality of connecting devices. a plurality of heat dissipating tabs and the connecting device are disposed on opposite sides of the bottom plate. The end caps are fixed on the rotating shaft of the motor by the connecting device thereof. Compared with the prior art, The color wheel is provided with a heat sink fin on the end cover to operate the color wheel The amount is accelerated to dissipate, thereby reducing the temperature during the operation of the color wheel, thereby improving the color wheel/Zhejiang [embodiment]. The present invention will be further described in detail below with reference to the accompanying drawings. 200907546 清麦看图2, the present invention In a preferred embodiment of the color wheel, the color wheel 100 includes a motor 42, a filter > 48, and an end cap 10. The motor 42 includes a rotating shaft. The filter 48 is sleeved on The end cover 1 of the motor 42 is fixed to the end portion of the rotating shaft 46 of the motor. The filter 48 is interposed between the motor 42 and the end cover 1A. 10 includes a heat dissipating portion 12 and a connecting plate 14 fixed to the connecting plate 14. The heat dissipating portion 12 and the connecting plate 14 are made of a heat conductive material such as metal or a heat conductive polymer material. The size and shape of the heat dissipating portion 12 and the connecting plate can be correspondingly sized and shaped according to the color wheel of the end cap 10. In the present embodiment, the heat dissipating portion 12 and the connecting plate 14 are preferably the same size. The heat dissipating portion 12 includes a bottom plate ι21 including a first surface 122 And a second surface 124 opposite to the first surface. The first surface 122 of the bottom plate 121 is formed with a plurality of heat dissipation fins 126 perpendicular to the bottom plate ι21. The heat dissipation fins 126 may be arranged on the bottom plate in a regular arrangement. The first surface 122 of the 121 is arranged in a matrix of horizontally and vertically vertically staggered as shown in FIG. 3, or in a cross arrangement in which adjacent rows are arranged as shown in FIG. 4. Each of the heat dissipation fins 126 may be thermally conductive. The material is made of a rod having an arbitrary cross-sectional shape. It can be understood that the heat-dissipating sheet 126 may also be composed of a plurality of mutually spaced and parallel-arranged thin plates as shown in FIG. 5, and the thin-plate-shaped heat-dissipating fins 126 may also be A plurality of micro heat sink fin arrays 200907546 128 are formed as shown in FIG. 6 , and the micro plastic heat sink tab arrays 128 are spaced apart from each other at a first angle 124 of the bottom plate 121 . It can be understood that the heat dissipation fins 126 may also be arranged in an irregular arrangement to form a column 126. The second surface 124 of the heat dissipating portion 12 is fixed to the connecting plate 14. It can be understood that the heat dissipation fins 126 can also be spiraled according to the aerodynamic design to form a air passage, so that the medium around the heat dissipation fins 126 can be easily flowed to improve heat dissipation efficiency. The connecting plate 14' includes a front surface 142 and a back surface 144 opposite the front surface ι42. The front surface U2 of the connecting plate 14 is fixed to the surface 124 of the bottom plate 121 of the heat radiating portion 12. The center of the negative 144 of the connecting plate 14 is formed with a shaft hole 146, and the shaft hole 14 is matched with the rotating shaft 46 of the motor 42 to fix the light-receiving sheet 4 8 to the rotating shaft 4 6 on. It can be understood that the filter 48 can also be fixed to the motor 42 by glue in advance. In this embodiment, a heat dissipating fin array 126 is disposed on the end cover 1 of the color wheel 1 . In use, the rotating shaft 46 of the motor 42 drives the end cover 10 to rotate. Since the end cover 10 is made of a heat conductive material, the light emitted from the light source (not shown) is absorbed by the filter 48. The heat is conducted to the bottom plate 121 of the end cover 1 压 which is pressed onto the cover filter 48, and is conducted by the bottom plate to the heat dissipation fin array 126 provided on the bottom plate ι21, and the heat dissipation fins are Array ι26 dissipates heat to external media (such as air, water, oil, etc.). This effectively reduces heat and cools. Reducing the temperature of the color wheel 1 〇〇 working day π also improves the quality and reliability of the color wheel. 9 200907546 Referring to FIG. 7, a second preferred embodiment of the color wheel of the present invention, the structure of the color wheel 200 and the color wheel 1 is similar, wherein the same components are given the same reference numerals and will not be redundantly described herein. The difference is that: in order to reduce the weight and volume of the end cover 2 of the color wheel 200, the end cover 20 eliminates the connecting plate and is opened in the middle of the second surface 124 of the bottom plate 121 directly adjacent to the end cover 1 There is a shaft hole 123. The end cover 20 is fixed to the rotating shaft by the shaft hole 123 disposed on the bottom plate 121 and the rotating shaft 46 of the motor 42. In this embodiment, the shaft hole 123 is directly opened on the bottom plate 121 of the heat dissipating portion 12, so that the weight and volume of the end cap 2〇 can be reduced, thereby reducing the volume and weight of the color wheel 2〇〇. It can also save material and reduce cost. Referring to Figure 8, a third preferred embodiment of the color wheel of the present invention is similar in structure to the end turn 200, wherein the same components are denoted by the same reference numerals, and the description will not be repeated here, the difference being that In order to improve the heat dissipation efficiency, a stepped shaft hole 123 penetrating the bottom plate is formed at the center of the second surface 124 of the bottom plate 121 of the heat dissipating portion 12 of the end cover 30. A first surface 122 of the heat dissipating portion 12 is disposed above the heat dissipating fins of the heat dissipating portion 12, that is, one side of the heat dissipating film 126 opposite to the color filter 48, and the opposite heat fin array 126 Each heat sink fin 128 - ~ 4 interval - 疋 distance. The fan 13 includes a plurality of blades 132 and a handle 134. The plurality of blades 132 are evenly spaced at one end of the shank η*, and the shank 134 is opposite to the blade 132. Part 10 200907546. The shaft hole 123 of the bottom plate 121 is integrally connected to the heat dissipation portion 12. The end cap 30 is fixed to the rotating shaft 46 by the shaft hole 123 disposed on the bottom plate 121 and the rotating shaft 46 of the motor 42'. A fan 13 is disposed above the heat dissipation fin array 126 of the heat dissipation portion 12 of the end cover, so that the end cover 30 is accelerated by the fan 13 when the end cover 30 rotates with the rotation axis of the motor 42. The flow velocity of the medium around the heat dissipating portion 12 accelerates the heat dissipated from the heat dissipating fin array 126 of the heat dissipating portion 12 into the external medium, thereby improving the heat dissipation efficiency of the end cap 3. In summary, the present invention complies with the requirements of the invention patent, and patents are issued according to law. However, the above description is only the preferred embodiment of the present invention. The scope of the present invention is not limited to the above embodiments, and a person familiar with the art of the present invention can make any changes or changes according to the spirit of the present invention. It should be covered by the following patent application. Figure 1 is a side view of a color wheel of the present invention; Figure 2 is a cross-sectional view of the first preferred embodiment of the color wheel of the present invention; Figure 3 is a left side view 1 of the color wheel of Figure 2; 4 is a left side view 2 of the color wheel in FIG. 2; FIG. 5 is a left side view 3 of the color wheel in FIG. 2; FIG. 6 is a left side view 4 of the color wheel in FIG. Side view, Fig. is a side view of a third preferred embodiment of the color wheel of the present invention. 11 200907546 [Description of main component symbols] (conventional) Color wheel 1 Motor 11 Filter 12 Cover sheet 13 (Invention) Color wheel 100, 200, 300 Motor 42 Rotary shaft 46 泸, light sheet 48 End cover 10, 20, 30 Heat sink 12 Connecting plate 14 bottom plate 121 first surface 122 second surface 124 heat sink fin 126 heat sink fin array 128 connecting plate 14 front side 142 back side 144 axis 123 L 123, 146 fan 13 blade 132 rotating handle 134 12