moment auto gate with system of control time to open or close when change out side water level and fish way in the water applicated this moment auto gate At coast

摘要

According to the present invention, provided is a moment automatic water gate which comprises a moment bracket to be maintained in an open state by a moment when water levels at internal and external sides are similar with each other for water pressure not to be applied with the automatic water gate. Moreover, an automatic control device for opening and closing time of the automatic water gate is provided to enable the opening and closing time of the moment automatic water gate to be different in accordance with a change in a water level at an external side. Therefore, the closing time of the moment automatic water gate is delayed in accordance with a change in a water level at an external side in which a water level is changed according to time through the year, and the opening time thereof becomes fast to maximize a drainage effect.