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Liquid cooling device

Inactive Publication Date: 2011-06-30
MAN ZAI IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008]An objective of the invention is to provide a liquid cooling device that prevents the pump of the liquid device from idling and being damaged.
[0009]A liquid cooling device is mounted in a large-sized overhead projector to absorb heat generated by a light-generating device. The liquid cooling device comprises a water tank, a heat sink, a liquid block assembly and a pump. The water tank is hollow and has a middle, a side surface and an outlet hole. The outlet hole is formed on the middle of the water tank. The heat sink connects to the side surface of the water tank. The liquid block assembly contacting the light-generating device. The liquid block assembly connects to the heat sink via an inlet duct. The pump is in fluid communications with the water tank via an outlet duct that is mounted in the outlet hole of the water tank. The pump connects with the liquid block assembly via a pipe. Therefore, when the large-sized overhead projector is put upright or turned upside down, the outlet hole of the water tank is always kept in the middle of the water tank. Then, a coolant being filled in the liquid cooling device flows out of the water tank to the liquid block assembly by the pump through the outlet duct and the pump. The outlet hole of the water tank being in the middle of the housing prevents the pump from idling and being damaged.

Problems solved by technology

Consequently, the pump 94 idles and is quickly damaged.

Method used

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Embodiment Construction

[0013]With reference to FIG. 1, a liquid cooling device in accordance with the present invention is mounted in a large-sized overhead projector to absorb heat generated by a light-generating device 40. The liquid cooling device is filled with a coolant and comprises a water tank 10, a heat sink 11, a liquid block assembly 30 and a pump 20.

[0014]The water tank 10 is hollow and has a top surface, a bottom surface, a middle, a side surface and an outlet hole 14. The outlet hole 14 is formed on the middle of the housing and communicates with the chamber. The distance between the outlet hole 14 and the top surface of the housing is almost equal to the distance between the outlet hole 14 and the bottom surface of the housing.

[0015]The heat sink 11 is connected with the side surface of the water tank 10.

[0016]The liquid block assembly 30 communicates with the heat sink 11 via an inlet duct 13. In this embodiment, the liquid block assembly 30 comprises multiple liquid blocks 31. The liquid ...

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Abstract

A liquid cooling device is mounted in a large-sized overhead projector to absorb heat generated by a light-generating device. The liquid cooling device has a water tank, a heat sink, a liquid block assembly and a pump. The water tank has an outlet hole formed on the middle of the water. The heat sink communicates with the water tank. The liquid block assembly contacts the light-generating device and is filled with a coolant and communicates with the heat sink via an inlet duct. The pump is mounted in the large-sized overhead projector and is in fluid communications with the water tank via an outlet duct mounted in the outlet hole of the water tank. Therefore, when the large-sized overhead projector is put upright or turned upside down, the outlet hole is always in the middle of the water tank, preventing the pump from idling and being damaged as the amount of coolant is reduced.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The invention relates to a liquid cooling device, and more particularly to a liquid cooling device used to cool a light-generating device mounted within a large-sized overhead projector.[0003]2. Description of Related Art[0004]A large-sized overhead projector comprises a light-generating device. The light-generating device often has a high temperature while working in high performance mode. To effectively reduce the temperature, a modern approach is to install a liquid cooling device on the light-generating device. The liquid cooling device absorbs and dissipates heat generated by the light-generating device.[0005]With reference to FIG. 2, a conventional liquid cooling device comprises a water tank 90, a heat sink 91, a pump 94 and a liquid block assembly 96. The water tank 90 has a chamber, a top, a bottom and an outlet hole 911. The outlet hole 911 is near the bottom of the water tank 90, and communicates with the cha...

Claims

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Application Information

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IPC IPC(8): F28D15/00
CPCF28D15/00G03B21/16F28F2280/10F28F9/0246
Inventor WAN, CHENG-FENGLIN, HAO-HUIHU, SU-CHEN
Owner MAN ZAI IND
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