CONTROL BOX, AND ELECTRONIC COMPONENT MOUNTING DEVICE

PROBLEM TO BE SOLVED: To prevent degradation of cooling capability of a board in a control box including a plurality of housing parts. SOLUTION: This control box includes: a lower partition plate 44 communicating with suction openings 42, 43 formed on a front face and forming a lower air passage 77; an upper partition plate 72 communicating with an outlet provided with a fan 76 and forming an upper air passage 78; and a right/left partition plate for horizontally partitioning a space between the lower partition plate and the upper partition plate into one-side space for arranging a first board housing part 51 therein, and the other-side space for arranging a second board housing part 57 therein. In the control box, air sucked from the suction openings is exhausted to the outside through the lower air passage, the first board housing part, the second board housing part, the upper air passage, the fan and the outlet. COPYRIGHT: (C)2011,JPO&INPIT