HOUSING CASE OF ON-VEHICLE ELECTRONIC EQUIPMENT

PROBLEM TO BE SOLVED: To provide a housing case of on-vehicle electronic equipment capable of suppressing attachment of condensation dew drops on a surface or the like of a print board 11 arranged in an inside of a case body 1 by effectively absorbing and eliminating both of moisture and condensatio...

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Bibliographische Detailangaben
Hauptverfasser:	OBARA FUMIO, OGISO HOMARE
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HANDLING THIN OR FILAMENTARY MATERIAL MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRINTED CIRCUITS SEPARATION STORING TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a housing case of on-vehicle electronic equipment capable of suppressing attachment of condensation dew drops on a surface or the like of a print board 11 arranged in an inside of a case body 1 by effectively absorbing and eliminating both of moisture and condensation dew drops. SOLUTION: Moisture absorbents 5, 7, 8 capable of absorbing both of the moisture in the air and droplets are provided, the moisture absorbents 5, 7, 8 are arranged in a periphery of the inside of the case body 1, and both of the moisture in the periphery of the inside of the case body 1 and the droplets which are generated by dew condensation in the periphery of the inside of the case body 1. That is, the moisture absorbents are arranged in the inside of a limited vent hole 3 as the periphery of the inside of the case body 1 and a part which covers an inner wall surface 1bb of the case body 1 in a proximal position of an opening 3b or the like. Thereby both of the moisture and condensation dew drops in the periphery of the inside of the case body 1 are effectively absorbed, and the attachment of the condensation dew drops on the print board 11 housed in the inside of the case body 1 and an electronic component 10 mounted on the print board 11 is suppressed.