Emergency flow measuring instrument for realizing river flow velocity measurement by using satellite positioning technology

Abstract

The invention belongs to the technical field of electronics and information, and particularly discloses an emergency flow measuring instrument for realizing river flow velocity measurement by using a satellite positioning technology, which comprises a shell, and a core module consisting of a high-precision satellite positioning module and a 4G real-time communication module is arranged in the shell; the emergency flow measuring instruments are in data transmission connection with the monitoring system through the 4G real-time communication module, and the monitoring system comprises monitoring software which is used for displaying the drifting track, time, position, flow velocity and flow direction data of the floating ball in real time; the satellite positioning module and the 4G real-time communication module of the flow measurement buoy collect position point data of the flow measurement buoy once every one second, after the monitoring system receives the data, the data are filtered, invalid data points are removed, then the flow velocity and the flow direction are calculated according to a water flow characteristic algorithm, and the calculated result is displayed on monitoring software. And the accuracy of the obtained flow velocity and flow direction data is higher by using the optimal calculation algorithm of the flow velocity.

Description

technical field [0001] The invention relates to the fields of electronics and information technology, and further relates to the field of hydrology measurement, in particular to an emergency flow meter for realizing river flow velocity measurement by utilizing satellite positioning technology. Background technique [0002] At present, the measurement methods of flow velocity in hydrology mainly include buoy method and flow meter method. [0003] The buoy method is an easy way to roughly measure flow velocity. When measuring by the traditional buoy method, take a relatively regular section of the river bed with a length of not less than 10m, no bending, and a certain liquid surface height, measure its average width and water surface height, take a floating object, and put it in the center of the upper reaches of the flowing river. Under the influence of external force (such as wind, blockage of floating objects, etc.), the floating flow is allowed to flow through the measure...

AI Technical Summary

Problems solved by technology

[0006] (1) In the shape design of the buoy, it is not designed according to the characteristics of the river water body, which causes the deviation between the buoy and the movement of the water body;

[0007] (2) In terms of waterproof design, if the waterproof level is not enough, there may be water leakage and water seepage, which will damage the electronic equipment inside the buoy;

[0008] (3) When the buoy is floating in the river, due to the positioning deviation of the satellite positioning and the disturbance of the water body, the direct calculation will bring the deviation of the flow velocity. Currently, there is no system to deal with it

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