| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heat radiating structure of an electrical junction box, a heat radiating device thereof, and a heat radiating method thereof, capable of restraining increase in the temperature of the electrical junction box assembled onto a reinforcement of a vehicle or the like. <P>SOLUTION: This electrical junction box comprises a reinforcement 63, a case 13 assembled onto the reinforcement 63, semiconductor switches 41<SB>3</SB>, 42<SB>3</SB>, 43<SB>3</SB>, 44<SB>3</SB>attached to the case 13. Radiating plates 41a<SB>3</SB>, 42a<SB>3</SB>, 43a<SB>3</SB>, 44a<SB>3</SB>, which release the heat generated at the bodies of the semiconductor switches 41<SB>3</SB>, 42<SB>3</SB>, 43<SB>3</SB>, 44<SB>3</SB>, are formed on the semiconductor switches 41<SB>3</SB>, 42<SB>3</SB>, 43<SB>3</SB>, 44<SB>3</SB>in a protruding manner, the semiconductor switches 41<SB>3</SB>, 42<SB>3</SB>, 43<SB>3</SB>, 44<SB>3</SB>are set adjacent to the reinforcement 63, and the fluid kept at a temperature lower than those of the semiconductor switches 41<SB>3</SB>, 42<SB>3</SB>, 43<SB>3</SB>, 44<SB>3</SB>is introduced into the reinforcement 63. Thus, the temperatures of the semiconductor switches can be maintained so as to be low. <P>COPYRIGHT: (C)2003,JPO |
