| 摘要 |
PURPOSE:To maintain the property of safety for a long period of time by a method wherein a means to disable the operation of the main body of an equipment when the integrated value of operation time has arrived at a predetermined value is provided in the title controller. CONSTITUTION:An operation time integrating controller 11, connected to an electric source 12, consists of a measuring unit 8, connected to a driving controller 14 driving a burner 1 and measures an operation time, an integrating unit 19 integrating the measured value of the measuring unit 18, a retention unit 20 which holds a time capable of guaranteeing the performance as well as the durability of respective parts of an equipment, a comparison unit 21 and an interrupting output unit 22 connected to an electric source controller 13 while the controller 11 is constituted so as to be integral with a microcomputer. When the equipment is operated, the driving time of the burner 1 is measured by the measuring unit 18, the operation time of the equipment is integrated to hold the accumulated operation time in the integrating unit 19 and the value in the integrating unit 19 is compared with the value in the retention unit 20 which stores the performance holding time of the burner 1 by the comparison unit 21. When the values in the integrating unit 19 and the retention unit 20 have arrived at the same value, a signal is outputted from the interrupting output unit 22 whereby the output of the electric source controller 13 for the driving controller 14 is interrupted. |
