Flood early warning device in polder area
An early warning device and flood disaster technology, applied in the directions of alarms, electromagnetic audible signals, cleaning methods and utensils, etc., can solve the problems of issuing alarms, unable to take preventive measures according to specific situations, unable to comprehensively judge, etc., to increase the firmness Effect
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] see Figure 1~6 , in an embodiment of the present invention, a waterlogging early warning device for a polder area, including a base 1, an insertion rod 2 and a cylinder 3, the insertion rods 2 are provided on both sides of the bottom of the base 1, and the middle part of the upper surface of the base 1 is provided with Cylinder 3, the top of the column 3 is provided with a control box 4, the bottom of the inner cavity of the control box 4 is provided with
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