(57) Abstract Topic In enclosure frame and glass door of cold storage and freezer storage warehouse cupThe dew that tries is not generated. Solutions In front opening of cold storage and freezer storage warehouse 1, center pillar 3The enclosure frame 3 which possesses a is installed. Enclosure frame 3In each small aperture which is divided with center pillar 3a, door frame 4aGlass 4b and the glass door 4 which consists of opening and closing possibly installationru. The enclosure frame 3 which includes center pillar 3a, door frame 4aAnd in glass 4b, the heater for prevention of dew condensation is installed. It is dense,The heater is controlled, with dew condensation sensor 7 and control mechanism 8.Dew condensation sensor 7, the electrode which opposes at the interval where the electrode of pair is narrowThe board and this electrode board the cooling body which is cooled positively with the cold air inside the warehouseWith it consists. Humidity outside the warehouse rising, in the electrode board dew condensation occurringBecause impedance of the ru and dew condensation sensor 7 decreases,Catching this change, it turns on electricity to the heater. Dew condensation on electrode boardWhen it disappears, electrification to the heater is cut off.
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