ON-OFF METHOD FOR POWER SUPPLY OF INSPECTION PIG

摘要

PROBLEM TO BE SOLVED: To considerably reduce battery loss by suppressing loss of leaving a power supply on for the control, measurement and recording of an inspection pig that travels in a conduit, for three to four hours required from the insertion of the inspection pig in a launcher until taking it out of a receiver. SOLUTION: The power supply is switched on and off using the rotation start and rotation completion of wheels of a distance recorder of the inspection pig.