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Projector

A technology of projectors and optical machines, applied in the field of projectors, can solve the problems of loss, excess heat dissipation efficiency of blue LEDs, and inability to dissipate heat in time, and achieve the effect of improving heat dissipation efficiency

Inactive Publication Date: 2011-02-02
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in existing projectors, the same heat dissipation method and heat dissipation efficiency are adopted for green LEDs, red LEDs and blue LEDs, so that the heat generated by relatively high-power green LEDs and red LEDs cannot Dissipate it in time; while the heat dissipation efficiency of the relatively low-power blue LED is excessive, causing unnecessary loss

Method used

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Embodiment Construction

[0010] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0011] Please also refer to figure 1 and figure 2 , a projector 100 provided in a preferred embodiment of the present invention, which includes a casing 10, a circuit board 20, an optical engine 30, a DMD heat dissipation fin 40, a first heat dissipation fin 50, and a fan module 60 and a cooling module 70.

[0012] The casing 10 is a rectangular parallelepiped hollow structure, which is used for accommodating the circuit board 20 , the optical engine 30 , the DMD heat dissipation fin 40 , the first heat dissipation fin 50 , the fan module 60 and the heat dissipation module 70 . The housing 10 includes a first side 11, a second side 12 opposite to the first side 11, and two third and fourth sides respectively connected between the first side 11 and the second side 12. 14. A lens hole 111 is defined on the first side 11 . The second side 12 , the third si...

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Abstract

The invention discloses a projector. The projector comprises a shell, an optical machine, a first radiating fin, a fan module and a radiating module; the optical machine is fixed in the shell and comprises a light source module, the light source module comprises a green light LED, a red light LED and a blue light LED, the blue light LED and the red light LED are arranged opposite, and the green light LED is positioned between the blue light LED and the red light LED; the first radiating fin is fixed at the position close to the blue light LED; the fan module comprises a fan and a second radiating fin communicated with the fan, the air outlet of the fan faces the outer side of the shell, and the second radiating fin is fixed at the position close to the red light LED; and the radiating module comprises third and fourth radiating fins and a heat pipe for connecting the third and fourth radiating fins, the third radiating fin is fixed at the position close to the green light LED, and the fourth radiating fin is fixed at the air outlet of the fan. The heat generated by the red light LED and the green light LED is directly dissipated through the fan so as to improve the radiating efficiency.

Description

technical field [0001] The present invention relates to a projector. Background technique [0002] At present, with the increasing function and complexity of electronic products, the power consumption continues to increase, and the power loss is usually converted into a certain amount of heat energy. The miniaturization requirements of electronic products also cause the heat flux density of the product (that is, the heat transferred through the unit heat transfer area per unit time) to rise sharply, resulting in a rapid increase in the temperature of electronic products, affecting the reliability and service life of electronic products. [0003] In projectors, the problem of sharp rise in heat flux is particularly prominent. According to the imaging principle of the projector, after the trichromatic light emitted by the light source module, the DMD (Digital Micromirror Device, digital micromirror device) reflects the light to the screen according to the signal requirements ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/16G03B21/14H05K7/20
CPCH04N9/3144H04N9/3197G03B21/16H04N9/3164
Inventor 陈建富邱崇哲朱清德
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD