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Liquid cooling apparatus

A technology of liquid cooling and image display device, which is applied in the direction of liquid cooling, engine cooling, instruments, etc., and can solve the problem of cooling object cooling efficiency drop and so on

Inactive Publication Date: 2010-07-28
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, if air enters the piping 23 and the like, the flow rate of the cooling liquid decreases, so the cooling efficiency of the cooling object 25 decreases.

Method used

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  • Liquid cooling apparatus
  • Liquid cooling apparatus
  • Liquid cooling apparatus

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0060] (Structure of liquid cooling device)

[0061] Figure 2A and Figure 2B It is an explanatory diagram showing an example of the liquid cooling device according to the embodiment of the present invention. This liquid cooling device is configured to circulate a cooling liquid between cooling target 25 (heat generating portion generating heat) and radiator portion 21A. The radiator portion 21A has a Z-shaped radiator inner pipe 21a, and has fins 21b around the radiator inner pipe 21a. Further, coolant tanks 22A having a vertically long square tube shape, a cylindrical shape, or the like are disposed on both left and right sides of the radiator portion 21A. Each coolant tank 22A has substantially the same length (height) as the side surface of the radiator portion 21A, and a connection port (port) 22a connected to the radiator inner pipe 21a is formed at a substantially longitudinal center thereof. The dimension of the coolant tank 22A in the vertical direction is larger...

no. 2 Embodiment approach

[0064] (Structure of liquid cooling device)

[0065] Figure 3A and Figure 3B It is an explanatory diagram showing another example of the liquid cooling device according to the embodiment of the present invention. This liquid cooling device differs from the liquid cooling device shown in FIG. 2 in that it includes the radiator portion 21B, and has the same configuration as the liquid cooling device shown in FIG. 2 in other points. In the radiator portion 21B, a plurality of internal radiator pipes 21c are arranged in parallel between the upper port portion and the lower port portion. Furthermore, the heat radiation fin part 21b is provided around the said radiator internal piping 21c. In addition, the radiator inner pipe 21a drawn from the left end surface of the upper port portion of the radiator portion 21B is connected to a connection port (port) 22a located approximately in the longitudinal center of the left coolant tank 22A, and is connected to the radiator portion 2...

no. 3 Embodiment approach

[0067] (Structure of liquid cooling device)

[0068] Figure 4A and Figure 4B It is an explanatory diagram showing another example of the liquid cooling device according to the embodiment of the present invention. The difference from the liquid cooling device shown in FIG. 2 is that one of the two coolant tanks 22A is not provided, and the radiator inner pipe 21 a and the circulating coolant pipe 23 are directly connected. The liquid cooling device of this structure no matter in Figure 4A When the heat sink portion 21A is shown in the forward configuration, it is still in the Figure 4B When the radiator portion 21A is arranged upside down as shown, the portions serving as air pockets in one coolant tank 22A are all located above the connection ports (ports), so that even if the radiator portion is arranged upside down, Cold units can also be used. In addition, the directly connected radiator inner pipe 21 a may be formed straight and connected to the circulating coolan...

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PUM

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Abstract

A liquid cooling apparatus provided on an apparatus having a heat unit generating heat, and configured to cool the heat unit by coolant includes; a coolant tank configured to store the coolant; a radiator configured to cool the coolant; and a coolant pipe which is a flow path of the coolant and connecting the coolant tank and the radiator. The coolant tank is arranged adjacent to the radiator in a horizontal direction when the apparatus disposed statically. A size of the coolant tank in a vertical direction is larger than a size of the coolant tank in a horizontal direction when the apparatusis disposed statically.

Description

technical field [0001] The present invention relates to a liquid cooling device that cools a heat-generating part that generates heat with a cooling liquid. Background technique [0002] Conventionally, a projection type image display device is generally known that includes a light source such as a lamp that emits light with high luminance, and a projection lens that projects light from the light source onto a screen. In addition, in order to effectively suppress the influence of the heat generated by the light source, the projection type image display device includes a liquid cooling device that cools the light source with a cooling liquid. [0003] Specifically, the liquid cooling device has a flow path through which the cooling liquid flows, and a radiator for cooling the warm cooling liquid. In addition, the liquid cooling device has a reserve tank (hereinafter referred to as upper reserve tank) for temporarily storing coolant flowing into the radiator, and a reserve ta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P3/00G02B27/00G06F1/20
Inventor 近藤信幸三轮孝司池田贵司
Owner SANYO ELECTRIC CO LTD