| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sprinkler with a simple constitution and a simple handling operation, and a sprinkling method.SOLUTION: A sprinkler comprises: a humidity sensor detecting humidity in an atmosphere; a humidity controller setting the humidity in the atmosphere to a prescribed humidity, and opening/closing a first limit switch when the detection humidity by the humidity sensor reaches the prescribed humidity; a timer switch starting a count operation of a preliminarily set time by opening/closing operation of the first limit switch in the humidity controller; and an electromagnetic valve which is provided in a supply channel so that the valve opens only during the count operation of the timer switch.</p> |
