River flow velocity measuring apparatus in environmental flow determination system
A technology of environmental flow and measuring devices, which is applied in the direction of measuring fluid velocity by using thermal variables, and can solve problems affecting the accuracy of flow velocity measurement and flow sensor silt clogging, etc.
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[0044] In order to facilitate those skilled in the art to understand the technical solutions and beneficial effects of the invention, the specific implementation methods are described below in conjunction with the accompanying drawings.
[0045] Such as figure 1 As shown, the detection device of river flow velocity includes:
[0046]A first fixed rod 1, a second fixed rod 2, a fixed rope 3, a pulley 4, a transmission rope drum 5, a transmission rope 6, a weight 7, an electric resistance wire 8, a temperature sensing plate 9 , a motor 10 , a power supply 11 and a statistical unit 12 . The first fixed rod 1 and the second fixed rod 2 are respectively placed on both sides of the river bank and fixed, and the two ends of the fixed rope 3 are respectively fixed on the top of the first fixed rod 1 and the second fixed rod 2 Contiguously, the pulley 4 is located on the fixed rope 3 and can slide on the fixed rope 3 . The transmission rope 6 passes through the pulley 4 , one end go...
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