Control box of outdoor unit

Abstract

A control box of an outdoor unit includes: a housing having a side wall portion; electrical components provided in an interior of the housing; a ventilating opening provided on the side wall portion and communicating with an exterior of the housing; and a lid body provided covering the ventilating opening and having a plurality of first through holes.

1 . A control box of an outdoor unit comprising:
 a housing having a side wall portion;   electrical components provided in an interior of the housing;   a ventilating opening provided on the side wall portion and communicating with an exterior of the housing; and   a lid body provided covering the ventilating opening and having a plurality of first through holes,   wherein   a part of the side wall portion where the ventilating opening is provided has a double-wall structure made up of an outer side-wall portion and an inner side-wall portion,   a space is provided between the outer side-wall portion and the inner side-wall portion,   the ventilating opening includes
 an outer ventilating opening penetrating the outer side-wall portion, and 
 an inner ventilating opening penetrating the inner side-wall portion provided at a position where the inner ventilating opening does not overlap the outer ventilating opening in the horizontal direction and the vertical direction, 
   the space between the outer ventilating opening and the inner ventilating opening serves as an air passage connecting the exterior of the housing and the interior of the housing, and   the lid body is provided covering the inner ventilating opening.   
     
     
         2 . (canceled) 
     
     
         3 . The control box of an outdoor unit of  claim 1 , wherein
 the side wall portion is a metal plate,   the outer side-wall portion has   a slit, and   a protruding portion formed by bending a part of the metal plate adjacent to the slit to protrude toward an outside of the housing, and   the outer ventilating opening is a gap formed between the slit and a lower end of the protruding portion.   
     
     
         4 . The control box of an outdoor unit of  claim 1 , wherein
 the lid body is a metal plate, and   each of the plurality of first through holes has a circular shape with its diameter equal to or smaller than 3 mm.   
     
     
         5 . The control box of an outdoor unit of  claim 1 , wherein
 the lid body has a handle, and   the lid body is provided such that the handle protrudes toward the interior of the housing.   
     
     
         6 . The control box of an outdoor unit of  claim 1 , wherein
 the side wall portion has a screw hole,   the lid body has a second through hole, and   the lid body is screwed to the side wall portion at the screw hole with a screw inserted into the second through hole on the lid body.   
     
     
         7 . The control box of an outdoor unit of  claim 6 , wherein
 the side wall portion has a fitting hole, and   the lid body has a protrusion to be fitted into the fitting hole.   
     
     
         8 . The control box of an outdoor unit of  claim 1 , comprising a sealing material provided between the side wall portion and the lid body.