Title:
WATER FEED/DRAIN CONTROLLER
Document Type and Number:
Japanese Patent JPH0232411
Kind Code:
A
Abstract:
PURPOSE:To attain the rapid and sure water exhaust or water supply corresponding to various flow-in modes to a pump place by controlling the quantity of the water supply or the water exhaust in accordance with a water level variation detected by a water level variation detecting means. CONSTITUTION:The water level of a pump #10 is detected by a water gauge 10 provided at the pump #10 and a water level ascending ratio DELTAL is detected a water # ascending ratio detecting part 1. A switch 1A, when the DELTAL is smaller than the prescribed value, selects a pump number control circuit 3 and specifies the number of the pumps to activate in accordance with respective activation water levels, to 0. On the other hand, when the DELTAL is larger than the specified value, a pump number control circuit 2 is selected and the number of the pumps driven in accordance with the DELTAL is specified. A troubled machine jumping circuit 4 activates or stops the pumps of the number specified by the circuit 2 or 3 in the prescribed sequence, and at the time of troubling, the pump of the next sequence is activated. The driving of a pump 6 and a delivery valve 7 are interlocked by a pump delivery valve interlocking circuit 5 through a switch 5A and the water exhaust is executed.
Inventors:
TADA HIROSHI
Application Number:
JP18171888A
Publication Date:
February 02, 1990
Filing Date:
July 22, 1988
Export Citation:
Assignee:
FUJI ELECTRIC CO LTD
International Classes:
E03B5/00; E03B1/00; G05D9/12; (IPC1-7): E03B1/00; E03B5/00; G05D9/12
Attorney, Agent or Firm:
Yoshikazu Tani
Next Patent: JPH0232412