| 摘要 |
PURPOSE: An automatic fire extinguisher used as a fire sensor is provided to alarm and to put out the initial fire simultaneously with sensing it when fire occurred in buildings. CONSTITUTION: An automatic fire extinguisher used as a fire sensor comprises : a solid paraffin material(18) that is solid in the normal condition and reacts to heat sensitively ; vinyl material(17) that is easy to transform in solid condition, that has elasticity and that is weak to heat ; and uses these characteristics of the materials. It senses fire at the proper temperature so quickly and exactly that alarms and puts out the initial fire by a series opening of an automatic nitrogen pressure, and is switched the automatic nitrogen pressure switch valves opened by differences of pressure, and is switched the automatic nitrogen pressure switch valves with hand-operation at an emergency.
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