| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure for mounting a heat sink which allows heat of a source of heat to be exhausted outside a board without applying the heat to an electronic apparatus, etc., in a control board which houses the source of heat and the electronic apparatus, etc., in it. SOLUTION: A control board consists of a chassis 5, a case, etc. Wiring apparatuses and control devices are installed on the chassis 5. A source of heat is installed in the control board. A heat sink 3 for dissipating heat from the source of heat outside the control board is installed outside the control board. Between the heat sink 3 and the control board, a space A is formed. |
