| 摘要 |
<p>PROBLEM TO BE SOLVED: To enhance safety of a device mounting an internal apparatus, by detecting overheat state of the internal apparatus quickly.SOLUTION: Through holes 3 are formed in a heat-sensitive plate 1 for planar thermostat so as to penetrate from one side to the other side thereof. Since radiation r from an internal apparatus reaches the inner lid 4 of a thermostat 6 and a guide pin 5 through the through holes 3, the inner lid 4 and the guide pin 5 are heated by the radiation r together with the heat-sensitive plate 1 for thermostat, and the heat escapes to the side of the inner lid 4 and guide pin 5 of lower temperature than the heat-sensitive plate 1 for thermostat, thus preventing temperature rise of the heat-sensitive plate 1 from delaying as much as possible. Consequently, overheat state of the internal apparatus is detected quickly, and safety of a device mounting the internal apparatus can be enhanced.</p> |
