| 摘要 |
PROBLEM TO BE SOLVED: To provide an automatic fire alarm which can be easily set and for freely increasing the number of temperature detecting parts. SOLUTION: The automatic fire alarm is constituted of a temperature detecting part and a power source and an alarm, and the temperature detecting part is configured of an electric terminal sealed in a container, whose connecting wiring terminal is extended to the outside, a metallic piece having a flat plane arranged in the container and a melting material for fixing the metallic piece to a position isolated from the electric terminal, and for fixing the metallic piece in order to be brought into contact with the electric terminal at the time of melting. Thus, it is possible to easily set the automatic fire alarm, and to freely increase the number of the temperature detecting parts. COPYRIGHT: (C)2006,JPO&NCIPI
|
