Heat radiation device of display unit and DLP system

Abstract

An embodiment of the invention provides a heat radiation device of a display unit so as to solve the problem of heat radiation of a power supply / signal processing module and enable the heat generated by the power supply / signal processing module to be discharged out of a box body. The technical scheme of heat radiation device of the display unit is characterized in that the heat radiation device comprises a display unit box body and a box body back cover; the display unit box body is internally provided with the power supply / signal processing module; the power supply / signal processing module is provided with a first heat radiation structure; and the box body back cover is provided with a first outlet communicated with the first heat radiation structure. The embodiment of the invention also provides a DLP system, which comprises a plurality of display units and heat radiation devices of the display units, wherein the heat radiation devices of the display units are arranged on the back surfaces of the display units.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of heat dissipation of a DLP splicing wall, in particular to a heat dissipation device for a display unit and a DLP system. Background technique [0002] The DLP (Digital Light Procession) video wall system has optical equipment, power supply / signal processing modules and other electronic equipment inside. These equipment will generate heat and discharge it into the cabinet when it is powered on. If the heat cannot be discharged smoothly, it will lead to the temperature of the equipment. If the temperature is too high, it will easily cause thermal failure of the equipment and affect the service life of the equipment. Among them, the use of DLP display unit screens has extremely high temperature requirements. The industry generally requires that the temperature difference between the front and back of the screen be less than 3°C, and the screen will be deformed to varying degrees if it i...

AI Technical Summary

Problems solved by technology

[0004] The defect of the existing technology is that when the ambient cold air enters the power supply / signal processing module through the air inlet hole on the back cover of the cabinet, a large part of the heat generated by the power supply / signal processing module remains inside the cabinet, resulting in a large temperature difference between the inside and outside of the cabinet

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