| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve the reliability of an electrical connection box and reduce the manufacturing cost of the box by making the heat generated from an electronic unit housed in the case of the box radiate efficiently. SOLUTION: An electrical connection box is constituted in such a way that electrical components, such as relays, fuses, etc., are housed in a metallic case 10 and a projecting wall section 11 and a recessed wall section 12 are formed continuously on one side of the case 10. In addition, an electronic unit 20 housed in the case 10 is accommodated in a metallic subcase 20A having high coefficient of thermal conductivity, and the external wall surface 21a of the subcase 20A is brought into contact with an internal wall surface 12a of the recessed wall section 12 for forming a dead space 13 on the outside of the wall section 12.</p> |
