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Manufacturing method for cooling unit, cooling unit, optical device, and projector

A manufacturing method and technology of a cooling unit, applied in optics, projection devices, instruments, etc., can solve the problems of long time, uneven deformation, and difficulty in realizing cost reduction.

Inactive Publication Date: 2009-06-17
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the above-mentioned manufacturing method, it is necessary to perform cutting using a special tool when forming the above-mentioned undercut portion, and it is difficult to achieve cost reduction.
[0006] In addition, in order to make the metal pipe closely contact with the storage tank, the process of enlarging the diameter of the metal pipe must be divided into multiple repetitions, which takes a lot of time.
[0007] Furthermore, if the diameter of the metal pipe is small, it is difficult to expand the diameter of the pipe. In addition, the amount of deformation of the pipe is likely to be uneven, so there is a gap between the pipe and the storage tank, and as a result, the cooling capacity of the cooling plate is likely to be reduced. the low

Method used

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  • Manufacturing method for cooling unit, cooling unit, optical device, and projector
  • Manufacturing method for cooling unit, cooling unit, optical device, and projector
  • Manufacturing method for cooling unit, cooling unit, optical device, and projector

Examples

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no. 1 Embodiment

[0099] Next, a first embodiment of the present invention will be described with reference to the drawings. In addition, in each drawing, in order to make each constituent element a recognizable size on the drawing, the scale of reduction may be different from the actual size as necessary.

[0100] (1st cooling unit)

[0101] figure 1 (A) is a plan view showing the structure of the cooling unit 10, figure 1 (B) is figure 1 A-A sectional view shown in (A).

[0102] Such as figure 1 (A) and figure 1 As shown in (B), the cooling unit 10 is a part that holds the outer peripheral edge of the transmission optical element 11 and cools the optical element 11, and includes a pair of plate members 12, 13 for holding the optical element 11 and a pair of plate members. The cooling pipe 14 clamped by the components 12, 13.

[0103] As the optical element 11 , various optical elements such as a retardation plate and a viewing angle compensation plate can be applied besides a liquid crys...

no. 2 Embodiment

[0146] Next, a second embodiment of the present invention will be described with reference to the drawings. In addition, in each drawing, in order to make each constituent element a recognizable size on the drawing, the scale of reduction may be different from the actual size as necessary. In addition, constituent elements having the same functions as elements already described are denoted by the same reference numerals, and descriptions thereof are omitted or simplified.

[0147] (2nd cooling unit)

[0148] FIG. 12 is a cross-sectional view showing cooling unit 105 of this example. The cooling unit 105 with figure 1 The cooling unit 10 is the same as the cooling unit 10 of the optical element 11 and is used to cool the optical element 11. The cooling pipe 14.

[0149] Cooling unit 105 of this example and figure 1 The cooling unit 10 is different in that one plate-shaped member 13 is formed by insert molding.

[0150] As the plate-shaped member 13 (the first plate-shaped...

no. 3 Embodiment

[0185] Next, a third embodiment of the present invention will be described with reference to the drawings. In addition, in each drawing, in order to make each constituent element a recognizable size on the drawing, the scale of reduction may be different from the actual size as necessary. In addition, constituent elements having the same functions as elements already described are denoted by the same reference numerals, and descriptions thereof are omitted or simplified.

[0186] (3rd cooling unit)

[0187] FIG. 16 is a cross-sectional view showing cooling unit 106 of this example. The cooling unit 106 with figure 1 The cooling unit 10 is the same as the cooling unit 10 for holding the outer peripheral edge of the optical element 11 and cooling the optical element 11 . It includes a plate member 12 holding the optical element 11 and a cooling pipe 14 arranged inside the plate member 12 .

[0188] Cooling unit 106 of this example and figure 1 Unlike the cooling unit 10 of ...

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Abstract

A manufacturing method for a cooling unit that includes a cooling plate in which a cooling fluid flows, the cooling plate having a cooling pipe through which the cooling fluid flows, and a pair of tabular members arranged to be opposed to each other across the cooling pipe, the manufacturing method for a cooling unit includes: forming a groove in which the cooling pipe is housed at least in one opposed surface of the pair of tabular members; combining the pair of tabular members while housing the cooling pipe in the groove; and filling a heat conduction material in a gap between the groove and the cooling pipe.

Description

technical field [0001] The present invention relates to a manufacturing method of a cooling unit, a cooling unit, an optical device, and a projector. Background technique [0002] As a cooling unit using a cooling fluid, there is a cooling unit including a cooling plate having a structure in which a metal pipe serving as a cooling liquid flow path is arranged between the inner surfaces of a pair of metal plates assembled facing each other. This cooling plate is manufactured by forming a pipe receiving groove larger than the metal pipe on at least one of the pair of metal plates, and assembling the metal pipe and the pair of metal plates into one body. And, in this manufacturing process, after the above-mentioned assembly, a pressurized fluid is supplied into the metal tube to expand the diameter of the tube so that the metal tube comes into close contact with the tube storage groove (for example, refer to Patent Document 1). [0003] Patent Document 1: JP-A-2002-156195 [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/16G03B21/00
Inventor 藤森基行木下悟志座光寺诚
Owner SEIKO EPSON CORP