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TWI430011B - Radiator structure of the projector - Google Patents

Radiator structure of the projector Download PDF

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Publication number
TWI430011B
TWI430011B TW100103717A TW100103717A TWI430011B TW I430011 B TWI430011 B TW I430011B TW 100103717 A TW100103717 A TW 100103717A TW 100103717 A TW100103717 A TW 100103717A TW I430011 B TWI430011 B TW I430011B
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Taiwan
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channel
fan
air inlet
projector
heat dissipation
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TW100103717A
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Chinese (zh)
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TW201232157A (en
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Tsung Mou Tsai
Kuo Liang Wen
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Asia Optical Co Inc
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Priority to TW100103717A priority Critical patent/TWI430011B/en
Priority to CN201110082243.0A priority patent/CN102621787B/en
Publication of TW201232157A publication Critical patent/TW201232157A/en
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Publication of TWI430011B publication Critical patent/TWI430011B/en

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Description

投影機之散熱結構Projector heat dissipation structure

本發明係與投影機有關,更詳而言之是指一種投影機之散熱結構。The present invention relates to a projector, and more particularly to a heat dissipation structure of a projector.

近年來,隨著影像科技的進步,利用投影機進行簡報、視訊、會議或是觀賞影片之人越來越多。然而,投影機之光源或電路板等內部構件,在運作時所產生之廢熱將會影響投影機之投影成像品質,更會造成投影機之使用壽命減短。In recent years, with the advancement of imaging technology, more and more people use projectors for briefing, video, conferences or watching movies. However, the internal heat generated by the projector's light source or circuit board, the waste heat generated during operation will affect the projection image quality of the projector, and the life of the projector will be shortened.

有鑑於此,為使投影機能有效地排除廢熱,投影機散熱結構之設計就顯得特別重要。已知的散熱結構大多是在機體上設置數個入風口以及一個出風口,藉以在機體內形成數條分別連通各入風口與出風口之散熱風道,並利用數個風扇分別裝設於該等入風口附近,而將機體外部較低溫之空氣引入各該散熱風道內,以達到對機體內部之構件散熱之目的。In view of this, in order to enable the projector to effectively eliminate waste heat, the design of the heat dissipation structure of the projector is particularly important. The known heat dissipation structure is generally provided with a plurality of air inlets and an air outlet on the body, so as to form a plurality of heat dissipation air passages respectively connecting the air inlets and the air outlets in the body, and are respectively installed by the plurality of fans. When the air inlet is near, the lower temperature air outside the air body is introduced into each of the heat dissipation air passages to achieve heat dissipation for the components inside the air body.

然而,上述之散熱設計大多是利用分流結構將各風扇抽入散熱風道上之空氣分吹至各內部構件進行散熱,但此種設計容易造成吹往各內部構件之風量不足,而無法有效降低內部構件之溫度,導致投影機因散熱效果不彰,而影響到投影機之成像品質及使用壽命。However, the heat dissipation design described above mostly uses a splitting structure to blow the air drawn by the fans into the heat dissipation air duct to the internal components for heat dissipation. However, this design is likely to cause insufficient air volume to be blown to the internal components, and the internal air volume cannot be effectively reduced. The temperature of the component causes the projector to have poor heat dissipation, which affects the imaging quality and service life of the projector.

有鑑於此,本發明之主要目的在於提供一種投影機之散熱結構,具有高散熱之效能。In view of this, the main object of the present invention is to provide a heat dissipation structure of a projector, which has high heat dissipation performance.

緣以達成上述目的,本發明所提供投影機之散熱結構包含有一機體、一光學裝置、一控制電路基板、一第一風扇、一第二風扇以及一第三風扇。其中,該機體具有一第一入風口、一第二入風口、一第三入風口以及一出風口,且該機體內部具有一第一通道、一第二通道以及一第三通道。其中,該第一通道一端與該第一入風口連通,且另一端與該出風口連通;該第二通道一端與該第二入風口連通,另一端則連接於該第一通道上之兩端間;該第三通道較該第二通道接近該出風口,且該第三通道一端與該第三入風口連通,另一端則連接於該第一通道上之兩端間;該光學裝置包含有一光源組以及一空間光調變器(Spatial Light Modulator);該光源組設於該第三通道上;該空間光調變器設於該第二通道上;該控制電路基板設於該第一通道上;該第一風扇設於該第一通道上,而位於該第一入風口與該控制電路基板之間,且接近該第一入風口;該第二風扇設於該第二通道上,而位於該第二入風口與該空間光調變器之間,且接近該第二入風口;該第三風扇設於該第三通道上,而位於該第三入風口與該光源組之間,且接近該第三入風口。To achieve the above objective, the heat dissipation structure of the projector provided by the present invention comprises a body, an optical device, a control circuit substrate, a first fan, a second fan and a third fan. The air body has a first air inlet, a second air inlet, a third air inlet and an air outlet, and the body has a first passage, a second passage and a third passage. One end of the first channel is connected to the first air inlet, and the other end is connected to the air outlet; one end of the second channel is connected to the second air inlet, and the other end is connected to the two ends of the first channel. The third channel is closer to the air outlet than the second channel, and one end of the third channel is connected to the third air inlet, and the other end is connected between the two ends of the first channel; the optical device includes a light source group and a spatial light modulator; the light source group is disposed on the third channel; the spatial light modulator is disposed on the second channel; the control circuit substrate is disposed on the first channel The first fan is disposed on the first channel, and is located between the first air inlet and the control circuit substrate, and is adjacent to the first air inlet; the second fan is disposed on the second channel, and Located between the second air inlet and the spatial light modulator and adjacent to the second air inlet; the third fan is disposed on the third air passage and located between the third air inlet and the light source group. And close to the third air inlet.

藉此,便可利用將該等通道之空氣分別對不同構件散熱,而後進行合流,以達到高散熱效能。Thereby, the air of the channels can be separately dissipated to different components, and then combined to achieve high heat dissipation performance.

為能更清楚地說明本發明,茲舉較佳實施例並配合圖示詳細說明如後。In order that the present invention may be more clearly described, the preferred embodiments are illustrated in the accompanying drawings.

請參閱圖1及圖2,為本發明第一較佳實施例投影機1之散熱結構。該投影機1包含有一機體10、一光學裝置20、一控制電路基板30、一第一風扇41、一第二風扇42、一第三風扇43以及一第四風扇44。其中:該機體10具有一第一入風口11、一第二入風口12、一第三入風口13以及一出風口15,該等入風口11~13是採用柵欄式結構,不僅可防止異物進入,且不會影響到入風之順暢性。該出風口14採用百葉窗結構設計,此設計除可防止異物進入,以及不會影響到出風之順暢性外,更具有遮光之效果,而可避免因露光而影響到投影之品質。Please refer to FIG. 1 and FIG. 2, which illustrate a heat dissipation structure of a projector 1 according to a first preferred embodiment of the present invention. The projector 1 includes a body 10, an optical device 20, a control circuit substrate 30, a first fan 41, a second fan 42, a third fan 43, and a fourth fan 44. Wherein: the body 10 has a first air inlet 11, a second air inlet 12, a third air inlet 13 and an air outlet 15, the air inlets 11 to 13 are fence-type structures, which can prevent foreign matter from entering. And will not affect the smoothness of the wind. The air outlet 14 is designed with a louver structure. This design not only prevents the entry of foreign matter, but also does not affect the smoothness of the wind, and has the effect of blocking light, thereby avoiding the quality of the projection due to the exposure of the light.

另外,該機體10內具有一第一通道15、一第二通道16以及一第三通道17。該第一通道15一端與該第一入風口11連通,且另一端與該出風口14連通。該第二通道16一端與該第二入風口12連通,另一端則連接於該第一通道15上之兩端間。該第三通道17較該第二通道16接近該出風口14,且該第三通道17一端與該第三入風口13連通,另一端則連接於該第一通道15上之兩端間。In addition, the body 10 has a first passage 15, a second passage 16, and a third passage 17. One end of the first passage 15 communicates with the first air inlet 11 and the other end communicates with the air outlet 14 . One end of the second passage 16 communicates with the second air inlet 12, and the other end is connected between the two ends of the first passage 15. The third passage 17 is closer to the air outlet 14 than the second passage 16 , and one end of the third passage 17 communicates with the third air inlet 13 , and the other end is connected between the two ends of the first passage 15 .

該光學裝置20包含有一光源組21以及一空間光調變器22(Spatial Light Modulator)。該光源組21設於該第三通道17上。該光源組21包含有一白光燈泡211以及一偏振光轉換系統鏡頭212(Polarization Conversion System Lens,PCS Lens),且該偏振光轉換系統鏡頭212較該白光燈泡211接近該第三入風口13。當然在設計上,光源組亦可依不同的設計與需求,而將該白光燈泡211改為三原色燈泡,或是將該偏振光轉換系統鏡頭212改用準直鏡或色輪代替。The optical device 20 includes a light source group 21 and a spatial light modulator (Spatial Light Modulator). The light source group 21 is disposed on the third channel 17. The light source group 21 includes a white light bulb 211 and a polarization conversion system lens 212 (PCS Lens), and the polarization conversion system lens 212 is closer to the third air inlet 13 than the white light bulb 211. Of course, in the design, the light source group can be changed to the three primary color light bulbs according to different designs and requirements, or the polarization conversion system lens 212 can be replaced by a collimating mirror or a color wheel.

該空間光調變器22設於該第二通道15上。於本實施例中,該空間光調變器22為三片式液晶(LCD Panel)光閘,但不以此為限。設計上,空間光調變器亦可為單片式液晶(LCD Panel)光閘、數位微型反射鏡裝置(Digital Micromirror Device,DMD)、矽基液晶面板(Liquid Crystal on Silicon,LCoS)或柵狀式光閥(Grating Light Valve,GLV)。另外,因該光學裝置20之運作原理屬習知技藝,於此便不再贅述。The spatial light modulator 22 is disposed on the second channel 15. In this embodiment, the spatial light modulator 22 is a three-panel liquid crystal (LCD Panel) shutter, but is not limited thereto. In design, the spatial light modulator can also be a monolithic liquid crystal (LCD Panel) shutter, a digital micromirror device (DMD), a liquid crystal on silicon (LCoS) or a grid. Grating Light Valve (GLV). In addition, since the operation principle of the optical device 20 is a well-known technique, it will not be described herein.

該控制電路基板30設於該第一通道15上,且位於該第一通道15與該第二通道16的連接處與該第一入風口11之間。該控制電路基板30與該光學裝置20以及該等電扇41~44電性連接,用以控制與啟動該光學裝置20以及該等電扇41~44作動。The control circuit substrate 30 is disposed on the first channel 15 and between the first channel 15 and the second channel 16 and the first air inlet 11 . The control circuit board 30 is electrically connected to the optical device 20 and the fans 41-44 for controlling and activating the optical device 20 and the fans 41-44.

該第一風扇41為一軸流式風扇(Axial Fan)。該第一風扇41設於該第一通道15上,而位於該第一入風口11與該控制電路基板30之間,且接近該第一入風口11。該第一風扇41用以將該機體10外之空氣吸入該第一通道15內,並吹向該控制電路基板30。The first fan 41 is an Axial Fan. The first fan 41 is disposed on the first channel 15 and located between the first air inlet 11 and the control circuit substrate 30 and adjacent to the first air inlet 11 . The first fan 41 is configured to suck the air outside the body 10 into the first passage 15 and blow it toward the control circuit substrate 30.

該第二風扇42為一多翼式風扇(Blower Fan)。該第二風扇42設於該第二通道16上,而位於該第二入風口12與該空間光調變器22之間,且接近該第二入風口12。該第二風扇42用以將該機體10外之空氣吸入該第二通道16內,並吹向該空間光調變器22。The second fan 42 is a multi-blade fan. The second fan 42 is disposed on the second passage 16 and located between the second air inlet 12 and the spatial light modulator 22 and adjacent to the second air inlet 12. The second fan 42 is configured to draw air outside the body 10 into the second passage 16 and blow it toward the spatial light modulator 22.

該第三風扇43為一多翼式風扇(Blower Fan)。該第三風扇43設於該第三通道17上,而位於該第三入風口13與該光源組21之間,且接近該第三入風口13。該第三風扇43用以將該機體10外之空氣吸入該第三通道17內,並吹向該光源組21。The third fan 43 is a multi-blade fan. The third fan 43 is disposed on the third passage 17 and located between the third air inlet 13 and the light source group 21 and adjacent to the third air inlet 13 . The third fan 43 is configured to suck the air outside the body 10 into the third passage 17 and blow it toward the light source group 21.

該第四風扇44為一多翼式風扇(Blower Fan)。該第四風扇44設於該第一通道15上,而位於該第二通道16與該第一通道15之連接處與該出風口14之間,且接近該第二通道16與該第一通道15之連接處。該第四風扇44用以將該第一通道15與該第二通道16之空氣往該出風口14之方向吹送,藉以提升該等通道15、16之空氣流動率,進而增加散熱之效果。另外,該第四風扇44所吹送出之風,亦會經過該第三通道17與該第一通道15之連接處,而可對接近該第一通道15之白光燈泡211進行二次散熱,藉以提升對該白光燈泡211之散熱效果,近而延長該白光燈泡211之使用壽命。The fourth fan 44 is a multi-blade fan. The fourth fan 44 is disposed on the first passage 15 between the second passage 16 and the first passage 15 and the air outlet 14 , and is adjacent to the second passage 16 and the first passage 15 connection. The fourth fan 44 is configured to blow the air of the first passage 15 and the second passage 16 toward the air outlet 14 to increase the air flow rate of the passages 15 and 16, thereby increasing the heat dissipation effect. In addition, the wind blown by the fourth fan 44 passes through the junction of the third passage 17 and the first passage 15, and the second light bulb 211 close to the first passage 15 can be secondarily dissipated. The heat dissipation effect on the white light bulb 211 is improved, and the service life of the white light bulb 211 is prolonged.

另外,請參閱圖3,為本發明第二較佳實施例之投影機2的散熱結構,該投影機2與上述第一較佳實施例不同之處於該投影機2之第三通道53之結構係使第三風扇63所吹送出之風,吹向光源組70後,先與第二風扇62所吹往第二通道52之風匯流,再一同流向第一通道51。藉此,利用上述設計來增加第一通道51上之總風量,使第四風扇64所吹往白光燈泡71之風量增加,進而達到提升對白光燈泡71之散熱效果。In addition, referring to FIG. 3, a heat dissipation structure of the projector 2 according to the second preferred embodiment of the present invention, the projector 2 is different from the first preferred embodiment in the structure of the third channel 53 of the projector 2. After the wind blown by the third fan 63 is blown toward the light source group 70, it is first merged with the wind blown by the second fan 62 to the second passage 52, and then flows to the first passage 51 together. Thereby, the total air volume on the first passage 51 is increased by the above design, so that the air volume blown by the fourth fan 64 to the white light bulb 71 is increased, thereby improving the heat dissipation effect on the white light bulb 71.

再者,請參閱圖4,為本發明第三較佳實施例之投影機3的散熱結構,該投影機3與上述各實施例不同之處在於該投影機3之第二通道82與第三通道83相連通,以使第二風扇92與第三風扇83抽入之空氣可先匯流,並往光源組95與空間光調變器96方向吹送,藉以增加吹往光源組95與空間光調變器96之風量,進而達到較佳之散熱效果。Furthermore, referring to FIG. 4, a heat dissipation structure of the projector 3 according to the third preferred embodiment of the present invention is different from the above embodiments in that the second channel 82 and the third channel of the projector 3 are different. The channels 83 are connected to each other such that the air drawn by the second fan 92 and the third fan 83 can be converged first, and blown toward the light source group 95 and the spatial light modulator 96, thereby increasing the blowing to the light source group 95 and the spatial light modulation. The air volume of the transformer 96, thereby achieving a better heat dissipation effect.

眾所皆知的是,投影機之光源組一直是投影機廢熱的主要來源,且投影機之空間光調變器溫度過高時,亦常會造成投射出的影像模糊或扭曲。是以,為強化對光源組與空間光調變器之散熱,請參閱圖5,係以圖2之架構為基礎,說明本發明之投影機更可依需求在第三通道17上之接近光源組21處,以及在該第二通道16上之接近空間光調變器22處分別增設一溫度感測器100,且該等溫度感測器100與控制電路基板30電性連接,用以分別偵測該光源組21與該空間光調變器22的溫度。It is well known that the light source set of the projector has always been the main source of waste heat of the projector, and when the temperature of the spatial light modulator of the projector is too high, the projected image is often blurred or distorted. Therefore, in order to enhance the heat dissipation of the light source group and the spatial light modulator, referring to FIG. 5, based on the architecture of FIG. 2, the projector of the present invention can further approach the light source on the third channel 17 according to requirements. A temperature sensor 100 is respectively disposed at the group 21 and the proximity spatial light modulator 22 on the second channel 16, and the temperature sensors 100 are electrically connected to the control circuit substrate 30 for respectively The temperature of the light source group 21 and the spatial light modulator 22 is detected.

藉此,當溫度感測器100測得光源組21(空間光調變器22)之溫度逐漸提升時,該控制電路基板30便依據溫度感測器100測得之溫度逐漸增加該第三風扇43(第二風扇42)之轉速,使吹向該光源組21(空間光調變器22)之風量提升,而達到加強散熱之效果。Therefore, when the temperature sensor 100 measures that the temperature of the light source group 21 (the spatial light modulator 22) is gradually increased, the control circuit substrate 30 gradually increases the third fan according to the temperature measured by the temperature sensor 100. The rotation speed of the 43 (second fan 42) increases the amount of air blown to the light source group 21 (the spatial light modulator 22), thereby achieving the effect of enhancing heat dissipation.

當然在設計上,本發明之投影機亦可依使用需求,而僅在該第二通道16或第三通道17上設置溫度感測器100。另外,設置於該第三通道17上之溫度感測器100可為僅感測該白光燈泡211之溫度、或是僅感測該偏振光轉換系統鏡頭212之溫度、抑或是同時感測該白光燈泡211以及該偏振光轉換系統鏡頭212之溫度,而做為調整該第三風扇43轉速之基準。再者,上述之設計係以投影機1之結構為例,但不以此為限,亦適用於投影機2或投影機3之結構,且只要是符合本發明風道匯流之精神,且在該等內部構件中增設有溫度感測器做為調整風扇轉速之依據者,亦屬本發明另一實施態樣而已。Of course, in the design, the projector of the present invention can also provide the temperature sensor 100 only on the second channel 16 or the third channel 17 according to the needs of use. In addition, the temperature sensor 100 disposed on the third channel 17 can sense only the temperature of the white light bulb 211, or only the temperature of the polarization conversion system lens 212, or simultaneously sense the white light. The temperature of the bulb 211 and the polarization conversion system lens 212 is used as a reference for adjusting the rotational speed of the third fan 43. Furthermore, the above design is based on the structure of the projector 1, but is not limited thereto, and is also applicable to the structure of the projector 2 or the projector 3, and as long as it conforms to the spirit of the airflow convergence of the present invention, and The addition of a temperature sensor to the internal components as a basis for adjusting the fan speed is also another embodiment of the present invention.

綜合以上所述可得知,投影機之光學裝置與控制電路基板所產生之廢熱,可經由機體內之風扇及通道各別進行散熱,而不會有因分吹而風量過小導致散熱不佳之疑慮。另外,出風口利用百葉窗結構之設計,可增加燈泡爆炸時之阻隔性,使用者便不會有被燈泡碎片射傷之危險,進而增加該投影機使用上之安全性。According to the above, it can be known that the waste heat generated by the optical device of the projector and the control circuit substrate can be dissipated through the fan and the channel in the body, and there is no doubt that the air volume is too small due to the partial blowing, resulting in poor heat dissipation. . In addition, the use of the louver structure of the air outlet can increase the barrier property of the explosion of the light bulb, and the user does not have the risk of being injured by the light bulb fragments, thereby increasing the safety of the use of the projector.

以上所述僅為本發明較佳可行實施例而已,舉凡應用本發明說明書及申請專利範圍所為之等效結構及製作方法變化,理應包含在本發明之專利範圍內。The above description is only for the preferred embodiments of the present invention, and the equivalent structures and manufacturing methods of the present invention and the scope of the patent application are intended to be included in the scope of the present invention.

1...投影機1. . . Projector

10...機體10. . . Body

11...第一入風口11. . . First air inlet

12...第二入風口12. . . Second air inlet

13...第三入風口13. . . Third air inlet

14...出風口14. . . Air outlet

15...第一通道15. . . First channel

16...第二通道16. . . Second channel

17...第三通道17. . . Third channel

20...光學裝置20. . . Optical device

21...光源組twenty one. . . Light source group

211...白光燈泡211. . . White light bulb

212...偏振光轉換系統鏡頭212. . . Polarized light conversion system lens

22...空間光調變器twenty two. . . Space light modulator

30...控制電路基板30. . . Control circuit substrate

41...第一風扇41. . . First fan

42...第二風扇42. . . Second fan

43...第三風扇43. . . Third fan

44...第四風扇44. . . Fourth fan

2...投影機2. . . Projector

51...第一通道51. . . First channel

52...第二通道52. . . Second channel

53...第三通道53. . . Third channel

62...第二風扇62. . . Second fan

63...第三風扇63. . . Third fan

64...第四風扇64. . . Fourth fan

70...光源組70. . . Light source group

71...白光燈泡71. . . White light bulb

3...投影機3. . . Projector

82...第二通道82. . . Second channel

83...第三通道83. . . Third channel

92...第二風扇92. . . Second fan

93...第三風扇93. . . Third fan

95...光源組95. . . Light source group

96...空間光調變器96. . . Space light modulator

100...溫度感測器100. . . Temperature sensor

圖1為本發明之外觀立體圖。Figure 1 is a perspective view showing the appearance of the present invention.

圖2為本發明第一較佳實施例之方塊圖。Figure 2 is a block diagram of a first preferred embodiment of the present invention.

圖3為本發明第二較佳實施例之方塊圖。Figure 3 is a block diagram of a second preferred embodiment of the present invention.

圖4為本發明第三較佳實施例之方塊圖。Figure 4 is a block diagram of a third preferred embodiment of the present invention.

圖5為揭示本發明可增設溫度感測器做為風扇調整之基準。FIG. 5 is a diagram showing the addition of a temperature sensor as a reference for fan adjustment according to the present invention.

1...投影機1. . . Projector

10...機體10. . . Body

11...第一入風口11. . . First air inlet

14...出風口14. . . Air outlet

15...第一通道15. . . First channel

16...第二通道16. . . Second channel

17...第三通道17. . . Third channel

20...光學裝置20. . . Optical device

21...光源組twenty one. . . Light source group

211...白光燈泡211. . . White light bulb

212...偏振光轉換系統鏡頭212. . . Polarized light conversion system lens

22...空間光調變器twenty two. . . Space light modulator

30...控制電路基板30. . . Control circuit substrate

41...第一風扇41. . . First fan

42...第二風扇42. . . Second fan

43...第三風扇43. . . Third fan

44...第四風扇44. . . Fourth fan

Claims (10)

一種投影機之散熱結構,包含有:一機體,具有一第一入風口、一第二入風口、一第三入風口以及一出風口,且該機體內部具有一第一通道、一第二通道以及一第三通道;其中,該第一通道一端與該第一入風口連通,且另一端與該出風口連通;該第二通道一端與該第二入風口連通,另一端則連接於該第一通道上之兩端間;該第三通道較該第二通道接近該出風口,且該第三通道一端與該第三入風口連通,另一端則連接於該第一通道上之兩端間;一光學裝置,包含有一光源組以及一空間光調變器(Spatial Light Modulator);該光源組設於該第三通道上;該空間光調變器設於該第二通道上;一控制電路基板,設於該第一通道上;一第一風扇,設於該第一通道上,而位於該第一入風口與該控制電路基板之間,且接近該第一入風口,用以將該機體外之空氣由該第一入風口吸入該第一通道內;一第二風扇,設於該第二通道上,而位於該第二入風口與該空間光調變器之間,且接近該第二入風口,用以將該機體外之空氣由該第二入風口吸入該第二通道內;以及一第三風扇,設於該第三通道上,而位於該第三入風口與該光源組之間,且接近該第三入風口,用以將該機體外之空氣由該第三入風口吸入該第三通道內,且該等風扇吸入之空氣匯流後由該 出風口排出。 A heat dissipation structure of a projector includes: a body having a first air inlet, a second air inlet, a third air inlet, and an air outlet, and the body has a first passage and a second passage And a third channel; wherein, one end of the first channel is in communication with the first air inlet, and the other end is in communication with the air outlet; one end of the second channel is connected to the second air inlet, and the other end is connected to the first channel Between the two ends of a channel; the third channel is closer to the air outlet than the second channel, and one end of the third channel is connected to the third air inlet, and the other end is connected between the two ends of the first channel An optical device comprising a light source group and a spatial light modulator; the light source group is disposed on the third channel; the spatial light modulator is disposed on the second channel; a control circuit a substrate disposed on the first channel; a first fan disposed on the first channel and located between the first air inlet and the control circuit substrate and adjacent to the first air inlet for The air outside the machine is made up by the first The tuyere is sucked into the first passage; a second fan is disposed on the second passage, and is located between the second air inlet and the spatial light modulator, and is adjacent to the second air inlet for The air outside the machine is sucked into the second passage by the second air inlet; and a third fan is disposed on the third passage, and is located between the third air inlet and the light source group, and is close to the third An air inlet for sucking air outside the machine from the third air inlet into the third passage, and the air sucked by the fans is merged The air outlet is discharged. 如請求項1所述投影機之散熱結構,更包含一第四風扇,設於該第一通道上,而位於該第二通道與該第一通道之連接處與該出風口之間,且接近該第二通道與該第一通道之連接處。 The heat dissipation structure of the projector of claim 1, further comprising a fourth fan disposed on the first channel and located between the junction of the second channel and the first channel and the air outlet, and close to a junction of the second channel and the first channel. 如請求項2所述投影機之散熱結構,其中該第四風扇為多翼式風扇(Blower Fan)。 The heat dissipation structure of the projector according to claim 2, wherein the fourth fan is a blower fan. 如請求項1所述投影機之散熱結構,其中該第一風扇為軸流式風扇(Axial Fan)。 The heat dissipation structure of the projector according to claim 1, wherein the first fan is an Axial Fan. 如請求項1所述投影機之散熱結構,其中該第二風扇為多翼式風扇(Blower Fan)。 The heat dissipation structure of the projector of claim 1, wherein the second fan is a blower fan. 如請求項1所述投影機之散熱結構,其中該第三風扇為多翼式風扇(Blower Fan)。 The heat dissipation structure of the projector of claim 1, wherein the third fan is a blower fan. 如請求項1所述投影機之散熱結構,更包含有一溫度感測器,用以偵測該光源組之溫度;另外,該控制電路基板同時電性連接該溫度感測器與該第三風扇,並依據該溫度感測器測得之溫度增加或減少該第三風扇之轉速。 The heat dissipation structure of the projector of claim 1 further includes a temperature sensor for detecting the temperature of the light source group; and the control circuit substrate is electrically connected to the temperature sensor and the third fan at the same time. And increasing or decreasing the rotational speed of the third fan according to the temperature measured by the temperature sensor. 如請求項1所述投影機之散熱結構,更包含有一溫度感測器,用以偵測該空間光調變器之溫度;另外,該控制電路基板同時電性連接該溫度感測器與該第二風扇,並依據該溫度感測器測得之溫度增加或減少該第二風扇之轉速。 The heat dissipation structure of the projector of claim 1 further includes a temperature sensor for detecting the temperature of the spatial light modulator; and the control circuit substrate is electrically connected to the temperature sensor and the The second fan increases or decreases the speed of the second fan according to the temperature measured by the temperature sensor. 如請求項1所述投影機之散熱結構,其中,該空間光調變器為三片式液晶(LCD Panel)光閘。 The heat dissipation structure of the projector according to claim 1, wherein the spatial light modulator is a three-panel liquid crystal (LCD Panel) shutter. 如請求項1所述投影機之散熱結構,其中該出風口為百葉窗結構。 The heat dissipation structure of the projector according to claim 1, wherein the air outlet is a louver structure.
TW100103717A 2011-01-31 2011-01-31 Radiator structure of the projector TWI430011B (en)

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CN106019782B (en) * 2016-07-07 2018-01-05 苏州佳世达电通有限公司 Projection arrangement
CN111121651A (en) * 2018-10-31 2020-05-08 财团法人工业技术研究院 Optical Measurement Stability Control System
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