| 摘要 |
PROBLEM TO BE SOLVED: To provide a water supply device capable of detecting abnormality in a check valve.SOLUTION: A water supply device 1 is configured to include: a suction pipe 20 connected to a water supply source 100; branch pipes 22 for branching the suction pipe 20 into a plurality of pipes; pumps 41 provided at the branch pipes 22 respectively; motors 42 for driving the pumps 41 respectively; rotation sensors 44 capable of detecting the rotation directions of the motors 42 respectively; a plurality of junction pipes 24 provided at the pumps 41 respectively; check valves 34 provided at the junction pipes 24 respectively; a discharge pipe 26 connected to the plurality of joined junction pipes 24; and a control device 50 which can drive the motors 42 respectively and which detects water flow directions of the junction pipes 24 from the rotation directions of the motors 42 detected in the rotation sensors 44. |
