| 摘要 |
The present invention relates to a ventilating apparatus for ventilating a display of a hall door with clean air, and the ventilating apparatus for an elevator hall door display comprises: a rectangular monitor box (MB) fixed to the backside of an elevator hall door (D) made of metal, behind an opening (15) of the hall door (D), and protrudes from the back of the elevator hall door to accommodate a monitor (M); the monitor (M) fixed inside of the monitor box (MB); a tempered glass plate (20) provided behind the opening (15) of the elevator hall door (D) and having a size that covers the entire monitor to protect the monitor (M) from frontal impact; a plurality of inlets and outlets (52,54) formed at the side (D1) of the center of the hall door (D) and connected to the inside of the monitor box (MB); and two blower fans (F1,F2) provided between the inlets and outlets (52,54) and the monitor (M) inside of the monitor box (MB) so as to enable air ventilation, wherein when the blower fans (F1,F2) are operated, the air in a hall of a building or an elevator cage flows into the monitor box (MB) through the inlets (52) among the inlets and outlets (52,54) to cool the monitor (M) and then is discharged to the hall of the building or cage through the outlets (54) among the inlets and outlets (52,54). |
