Title:
WATER GATE AUTOMATIC OPENING/CLOSING CONTROL METHOD
Document Type and Number:
Japanese Patent JP2023173979
Kind Code:
A
Abstract:
To provide a water gate automatic opening/closing control method which restricts the number of times of water gate opening/closing control accompanying change in a water level difference between inside and outside when a water gate is temporarily closed, to a predetermined number of times, and thereby prevents overheat and burning of a motor for opening/closing.SOLUTION: When an outer water level rises to a temporally closing start water level H2 (step S2), a water gate opening/closing number counter 22 is set at 10 times (step S3). Simultaneously, a water gate opening/closing timer (T1) 23 is set at one hour as a unit time (step S8). Then, whenever opening/closing of a water gate 1 is performed by water gate automatic opening/closing control (steps S5 and S6), the number of water gate opening/closing number counter 22 is reduced one by one (step S7). When the number of opening/closing times of the water gate 1 reaches a predetermined number of times set by the water gate opening/closing number counter 22 before it reaches the one hour set by the water gate opening/closing timer (T1) 23 (step S9), it is determined that it exceeds an overheat and burning allowable number of a motor 6 for opening/closing, the motor 6 for opening/closing is stopped and opening/closing operation of the water gate 1 is stopped.SELECTED DRAWING: Figure 4
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Inventors:
ANAI SHOICHI
YAMADA TAKATSUGU
YAMADA TAKATSUGU
Application Number:
JP2022086560A
Publication Date:
December 07, 2023
Filing Date:
May 27, 2022
Export Citation:
Assignee:
MIZOTA CORP
International Classes:
E02B7/26
Attorney, Agent or Firm:
Motonari Tomisaki
Tomisaki Yo
Tomisaki Yo