CN101986200A - Liquid cooling and heat dissipating system for digital light processing (DLP) projector - Google Patents

Liquid cooling and heat dissipating system for digital light processing (DLP) projector Download PDF

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Publication number
CN101986200A
CN101986200A CN 201010230772 CN201010230772A CN101986200A CN 101986200 A CN101986200 A CN 101986200A CN 201010230772 CN201010230772 CN 201010230772 CN 201010230772 A CN201010230772 A CN 201010230772A CN 101986200 A CN101986200 A CN 101986200A
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China
Prior art keywords
heat
dlp
liquid cooling
projector
radiation system
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CN 201010230772
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Chinese (zh)
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CN101986200B (en
Inventor
曾万军
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Shenzhen Acto Digital Video Technology Co Ltd
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Shenzhen Acto Digital Video Technology Co Ltd
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Priority to CN2010102307726A priority Critical patent/CN101986200B/en
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Abstract

The invention relates to a liquid cooling and heat dissipating system for a digital light processing (DLP) projector. The system comprises an optical main body and a sealing member, wherein the sealing member is used for sealing the optical main body and conducting and dissipating the heat generated by the optical main body; the sealing member comprises a shell and a heat dissipating device; the optical main body is sealed by the shell; the heat dissipating device comprises a coolant pump, a cooling pipeline, a heat conducting plate and a heat dissipater; the heat conducting plate and the heat source of the optical main body are tigtly jointed; the heat conducting plate is connected with the heat dissipater through the cooling pipeline; and the coolant pump is arranged on the cooling pipeline. The liquid cooling and heat dissipating system for the DLP projector carries out heat exchange through the sealing member to quickly discharge the heat out of the DLP projector, so that the heat of the DLP projector can be quickly dissipated in the unpolluted environment to cool the DLP projector, thereby effectively ensuring the imaging quality.

Description

DLP projector liquid cooling heat radiation system
[technical field]
The present invention relates to a kind of projection imaging equipment, especially relate to a kind of DLP projector liquid cooling heat radiation system.
[background technology]
The imaging system of projector is the core of projector, if dust, oil smoke and dust etc. occur in optical element wherein or the image-forming component, can cause the pollution of parts, thereby influence contrast, color and the serviceable life of projector.And projector also can produce a large amount of heats in when work, and the gathering of heat makes projector produce hot deterioration, has seriously reduced the image quality of projected image.
[summary of the invention]
Based on this, be necessary to provide a kind of DLP projector liquid cooling heat radiation system that can prevent dust and can reduce temperature.
A kind of DLP projector liquid cooling heat radiation system, comprise optical bodies, also comprise the described optical bodies of sealing and conduct the seal that heat that described optical bodies produces dispels the heat, described seal comprises housing and heat abstractor, the described optical bodies of described housing seal, described heat abstractor comprises coolant pump, cooling line, heat-conducting plate and heating radiator, the thermal source of described heat-conducting plate and described optical bodies is close to setting, described heat-conducting plate is connected by cooling line with described heating radiator, and described coolant pump is arranged on the described cooling line.
Preferably, described housing comprise top cover and with the suitable bottom of described top cover.
Preferably, described top cover and the corresponding respectively circular arc cutaway that is provided with of described bottom.
Preferably, described top cover and bottom are corresponding respectively is provided with square breach.
Preferably, described heat-conducting plate is square, and the centre is provided with boss, and the digital micro-mirror wafer of described boss and described optical bodies is close to setting.
Preferably, described heat-conducting plate is arranged in the described housing, and described heating radiator is arranged on outside the described housing, and described cooling line passes described housing.
Preferably, described coolant pump is arranged in the described housing.
Preferably, at least one fin-shaped heat radiator is set in the described heating radiator.
Above-mentioned DLP projector liquid cooling heat radiation system carries out heat interchange by seal, and heat is discharged rapidly outside the DLP projector, makes the cooling of being dispelled the heat rapidly in not contaminated environment of DLP projector, has guaranteed image quality effectively.
Above-mentioned DLP projector liquid cooling heat radiation system is under the effect of coolant pump, and liquid coolant circulates in cooling line, heat-conducting plate and heating radiator, thereby has realized the heat radiation cooling of DLP projector.
[description of drawings]
Fig. 1 is the structural drawing of DLP projector liquid cooling heat radiation system among the embodiment;
Fig. 2 is the structural drawing of heat abstractor in the DLP projector liquid cooling heat radiation system among the embodiment;
Fig. 3 is the one-piece construction figure of DLP projector liquid cooling heat radiation system among the embodiment.
[embodiment]
As shown in Figures 1 to 3, this DLP projector liquid cooling heat radiation system comprises optical bodies 100 and seals described optical bodies 100 and conduct the seal 200 that described optical bodies 100 heat that produces dispels the heat.
Optical bodies 100 is the DLP optical bodies, is the part that produces heat in the DLP projection machine optical system.Seal 200 comprises housing 220 and heat abstractor 240, and heat abstractor 240 is close to setting with housing 220.Among one embodiment, housing 220 comprise top cover 222 and with the suitable bottom 224 of top cover 222, inwardly form with optical bodies 100 suitable accommodate cavity, to accommodate optical bodies 100.Particularly, the breach suitable with optical bodies 100 is set in the housing 220, be that top cover 222 is provided with circular arc cutaway 2222 and square breach 2224 with bottom 224 is corresponding respectively, and top cover 222 tops are provided with screw 2220, bottom 224 correspondences are provided with fixed leg 2242, with sealing optical bodies 100.When top cover 222 passes through the screw closure with bottom 224, arc notch 2222 in top cover 222 and the bottom 224 merges, and forms annular breach, and is suitable with lens shape, make camera lens pass annular breach and place housing 220 outsides, and optical bodies 100 is connected with external unit by square breach 2224.
Heat abstractor 240 comprises coolant pump 242, cooling line 244, heat-conducting plate 246 and heating radiator 248.Heat-conducting plate 246 is close to setting with the thermal source of optical bodies 100.Heat-conducting plate 246 is connected by cooling line 244 with heating radiator 248, and coolant pump 242 is arranged on the cooling line 244.The coolant pump 242 of heat abstractor 240 by placing housing 220 constantly circulates liquid coolant at the cooling line 244 that passes housing 220 and heat brought to the heating radiator 248 that places housing 220 outsides, heat is dispersed into outside the housing 220, takes away heat by cross-ventilation.Particularly, heat-conducting plate 246 is square, and the centre is provided with a boss 2462, and this boss 2462 is suitable with the digital micro-mirror wafer in the optical bodies 100, and is close to setting, with the conduction heat.Heating radiator 248 is provided with one or more fin-shaped heat radiator, with the heat interchange of acceleration with air.
Elaborate the course of work of DLP projector liquid cooling heat radiation system below in conjunction with a specific embodiment, among this embodiment, hermetically sealed optical bodies 100 produces a large amount of heat, the heat-conducting plate of being close to optical bodies 100 246 absorbs the heat that optical bodies 100 produces in the seal 100, under the effect of coolant pump 242, liquid coolant circulates in heat-conducting plate 246, cooling line 244 and heating radiator 248, the heat conduction that heat-conducting plate 246 absorbs is dispelled the heat in heating radiator 248, with cooling DLP projector.
Above-mentioned DLP projector liquid cooling heat radiation system carries out heat interchange by seal, and heat is discharged rapidly outside the DLP projector, makes the cooling of being dispelled the heat rapidly in not contaminated environment of DLP projector, has guaranteed image quality effectively.
Above-mentioned DLP projector liquid cooling heat radiation system is under the effect of coolant pump, and liquid coolant circulates in cooling line, heat-conducting plate and heating radiator, thereby has realized the heat radiation cooling of DLP projector.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (8)

1. DLP projector liquid cooling heat radiation system, comprise optical bodies, it is characterized in that, also comprise the described optical bodies of sealing and conduct the seal that heat that described optical bodies produces dispels the heat, described seal comprises housing and heat abstractor, the described optical bodies of described housing seal, described heat abstractor comprises coolant pump, cooling line, heat-conducting plate and heating radiator, the thermal source of described heat-conducting plate and described optical bodies is close to setting, described heat-conducting plate is connected by cooling line with described heating radiator, and described coolant pump is arranged on the described cooling line.
2. DLP according to claim 1 projector liquid cooling heat radiation system is characterized in that, described housing comprise top cover and with the suitable bottom of described top cover.
3. DLP according to claim 2 projector liquid cooling heat radiation system is characterized in that described top cover and the corresponding respectively circular arc cutaway that is provided with of described bottom.
4. DLP according to claim 2 projector liquid cooling heat radiation system is characterized in that, described top cover and bottom be corresponding respectively to be provided with square breach.
5. DLP according to claim 1 projector liquid cooling heat radiation system is characterized in that described heat-conducting plate is square, and the centre is provided with boss, and the digital micro-mirror wafer of described boss and described optical bodies is close to setting.
6. DLP projector liquid cooling heat radiation system according to claim 1 or 5 is characterized in that described heat-conducting plate is arranged in the described housing, and described heating radiator is arranged on outside the described housing, and described cooling line passes described housing.
7. DLP according to claim 6 projector liquid cooling heat radiation system is characterized in that described coolant pump is arranged in the described housing.
8. DLP according to claim 1 projector liquid cooling heat radiation system is characterized in that, at least one fin-shaped heat radiator is set in the described heating radiator.
CN2010102307726A 2010-07-19 2010-07-19 Liquid cooling and heat dissipating system for digital light processing (DLP) projector Expired - Fee Related CN101986200B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102307726A CN101986200B (en) 2010-07-19 2010-07-19 Liquid cooling and heat dissipating system for digital light processing (DLP) projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102307726A CN101986200B (en) 2010-07-19 2010-07-19 Liquid cooling and heat dissipating system for digital light processing (DLP) projector

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CN101986200A true CN101986200A (en) 2011-03-16
CN101986200B CN101986200B (en) 2012-07-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106324956A (en) * 2015-06-30 2017-01-11 海信集团有限公司 Laser light source heat dissipation system and laser projection system
CN110398874A (en) * 2019-07-31 2019-11-01 佳木斯大学 A kind of projection type video display apparatus
CN114047663A (en) * 2021-11-17 2022-02-15 深圳市瑞丰时代通讯有限公司 Projector and projector apparatus

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1550869A (en) * 2003-05-06 2004-12-01 精工爱普生株式会社 Light source device and mfg. method and projection display device
CN2685932Y (en) * 2004-02-24 2005-03-16 沈根祥 Cooling device used for large computer video projector liquid crystal electronic screen
JP2005321704A (en) * 2004-05-11 2005-11-17 Seiko Epson Corp Projector
US20060268239A1 (en) * 2005-05-26 2006-11-30 Sony Corporation Projection type display unit
CN201017162Y (en) * 2007-02-25 2008-02-06 李洪斌 Dustproof heat radiating device of projector
CN101135837A (en) * 2006-08-31 2008-03-05 精工爱普生株式会社 Projector
CN101227812A (en) * 2007-01-19 2008-07-23 株式会社日立制作所 Cooling device
CN101324746A (en) * 2007-06-15 2008-12-17 精工爱普生株式会社 Projector
CN101419386A (en) * 2007-10-25 2009-04-29 鸿富锦精密工业（深圳）有限公司 LCD video projector

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1550869A (en) * 2003-05-06 2004-12-01 精工爱普生株式会社 Light source device and mfg. method and projection display device
CN2685932Y (en) * 2004-02-24 2005-03-16 沈根祥 Cooling device used for large computer video projector liquid crystal electronic screen
JP2005321704A (en) * 2004-05-11 2005-11-17 Seiko Epson Corp Projector
US20060268239A1 (en) * 2005-05-26 2006-11-30 Sony Corporation Projection type display unit
CN101135837A (en) * 2006-08-31 2008-03-05 精工爱普生株式会社 Projector
CN101227812A (en) * 2007-01-19 2008-07-23 株式会社日立制作所 Cooling device
CN201017162Y (en) * 2007-02-25 2008-02-06 李洪斌 Dustproof heat radiating device of projector
CN101324746A (en) * 2007-06-15 2008-12-17 精工爱普生株式会社 Projector
CN101419386A (en) * 2007-10-25 2009-04-29 鸿富锦精密工业（深圳）有限公司 LCD video projector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106324956A (en) * 2015-06-30 2017-01-11 海信集团有限公司 Laser light source heat dissipation system and laser projection system
CN110398874A (en) * 2019-07-31 2019-11-01 佳木斯大学 A kind of projection type video display apparatus
CN114047663A (en) * 2021-11-17 2022-02-15 深圳市瑞丰时代通讯有限公司 Projector and projector apparatus

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