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Structure of light illuminating unit in light illuminating type heating apparatus and light illuminating type heating apparatus
Structure of light illuminating unit in light illuminating type heating apparatus and light illuminating type heating apparatus
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机译:照明式加热装置中的照明单元的结构和照明式加热装置
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摘要
PURPOSE: To permit centralized suction and centralized exhaust of a cooling wind by making a portion which a temperature of an outer surface rises, as small as possible. CONSTITUTION: A duct portion 30 introducing a cooling wind is provided on the back of a mirror 5 so as to surround a circumference of the apparatus, the cooling wind is supplied to a lamp 4 via the duct portion 30. The cooling wind, which has become to a high temperature due to cooling the lamp 4, is gathered into a hollow portion 30a of the duct portion 30 surrounded by the back of the mirror 5 and a plate 10, then, the cooling wind is drawn through the exhaust duct 20. The duct portion 30 is located so as to surround a circumference of the apparatus. Since the cooling wind which has become to a high temperature is gathered into the hollow portion 30a of the duct 30 and is drawn out, the temperature of the circumference of the apparatus can be lowered except for a portion of the exhaust duct 20. Moreover, the structure is such that the cooling wind is supplied from a cooling-wind-introducing inlet 30b and is drawn out through an exhaust outlet 20a, therefore, a circulating-cooling system which carries out the centralized suction and centralized exhaust of cooling wind, can be formed.
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