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Projecting apparatus

A technology of projection devices and catheters, applied in projection devices, optics, instruments, etc., can solve problems such as difficulties

Inactive Publication Date: 2010-02-17
CORETRONIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is difficult to arrange multiple heat pipes 200 on the back of the DMD 120 at the same time.

Method used

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Examples

Experimental program
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Embodiment Construction

[0063] image 3 is a schematic diagram of a projection device according to the present invention. Please refer to image 3 , the projection device 300 of this embodiment includes an illumination system 310 , a reflective light valve 320 , an imaging system 330 , a loop heat pipe 340 and a radiator 350 . The illumination system 310 is adapted to provide an illumination beam 312 , the reflective light valve 320 is disposed on the transmission path of the illumination beam 312 , and the reflective light valve 320 is adapted to transform the illumination beam 312 into an image 322 . The imaging system 330 is disposed on the transmission path of the image 322 to project the image 322 onto a screen (not shown). The detailed structure of the loop heat pipe 340 will be described later.

[0064] Figure 4 yes image 3 Schematic diagram of the enlarged loop heat pipe and reflective light valve in , while Figure 5 yes Figure 4 The schematic cross-section of the loop heat pipe al...

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Abstract

The invention relates to a projecting device, and consists of an illuminating system, a reflective light valve, an imaging system, a loop-typed thermotube and a radiator. The illuminating system is used for providing an illuminating beam. The reflective light valve is arranged on the transmitting path of the illuminating beam to convert the illuminating beam into an image while the imaging systemis arranged on the transmitting path of the image. The loop-typed thermotube consists of an evaporating part, a capillary structure, at least one duct and a working fluid. The evaporating part is provided with a liquid backflow end, a gas discharge end and the outer surface of the evaporating part contacts the reflective light valve. The capillary structure is positioned in the evaporating part and communicates with the liquid backflow end. The duct is connected with the liquid backflow end of the evaporating part and the gas discharge end. The working fluid is positioned in the duct and the capillary structure.

Description

technical field [0001] The present invention relates to a projection apparatus, and in particular to a projection apparatus with an optimal heat dissipation effect. Background technique [0002] Please refer to figure 1 A conventional digital light processing projection apparatus (Digital light processing projection apparatus) 100 includes an illumination system (illumination system) 110 , a digital micro-mirror device (Digital Micro-mirror Device, DMD) 120 and an imaging system (imaging system) 130 . The illumination system 110 has a light source 112 adapted to provide an illumination beam 114 . The DMD 120 is disposed on the transmission path of the illumination beam 114 and is suitable for converting the illumination beam 114 into an image beam 122 . In addition, the imaging system 130 is disposed on the transmission path of the image beam 122 to project the image beam 122 on a screen (not shown). [0003] As the required wattage of the light source 112 increases, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/16G03B21/00
Inventor 李璟柏
Owner CORETRONIC
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