| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric connection box with the heat radiation structure, which can perform the heat radiation and with waterproofing of an electric connection box where a joint box and a relay box are united. SOLUTION: The lower cover 18 of a joint box 12 is provided with a drawing port 20 as an intake port, and the second cover 22 being the upper cover of a relay box 14 is provided with an exhaust port 27. Moreover, the bulkhead 23 between the joint box 12 and the relay box 14 is provided with a ventilation port 24. Furthermore, the relay box 14 is provided with a guide plate 62 for leading the moisture having penetrated from the exhaust port 27 to the drain port 61. Hereby, the fuse 11 within the joint box 12 and the relay 13 within the relay box 14 can be cooled surely by air flowing in from the drawing port 20 by the running of an automobile. |
