JP2018085869A5 - - Google Patents

Claims (7)

    An opening edge portion formed so as to penetrate the top plate of the housing forming the outer shell of the closed type device, and a bottom plate portion and a side wall portion extending upward around the bottom plate portion are formed. The periphery of the upper end portion of the side wall portion is connected along the opening edge portion to form a recess in the top plate, and a ventilation member provided with a plurality of ventilation openings in the side wall portion of the recess. A ventilator for closed type equipment.   The ventilator for a closed type device according to claim 1, wherein the ventilation member is disposed in a dead space that is not restricted by an insulation distance dimension with respect to an internal device or an outside line end size at a lower portion of the top plate.   The ventilating device for a closed type device according to claim 1 or 2, wherein the ventilation hole is formed by a louver-like cut and raised portion that suppresses the entry of foreign matter. The ventilator for a closed-type device according to any one of claims 1 to 3, wherein an area of the bottom plate portion is larger than an opening area formed by the opening edge portion. The ventilator for a closed type device according to any one of claims 1 to 4, wherein a central portion of the bottom plate portion is recessed so as to be lower than a peripheral portion of the bottom plate portion. . The said recessed part formed of the opening edge part of the said top plate and the said ventilation member is divided into the some division in the circumferential direction by the partition plate, The any one of Claims 1-5 characterized by the above-mentioned. ventilator closed type device according to. The shape of the opening edge part of the said top plate is formed in square, a rectangle, circular, or a polygon, The closed-type apparatus of any one of Claims 1-6 characterized by the above-mentioned. Ventilation device.