Method and system for remote automatic flow measurement of unattended hydrological cableway in natural rivers

Abstract

The invention discloses a natural river unattended operation hydrology cableway remote automatic flow measuring method and system. According to the technical scheme, a microwave emitter is installed on a hanging box, a microwave receiver is arranged on a control room on the bank, and signals monitored through a fish lead, a flow meter and an automatic weeding water surface speed measuring device are transmitted through microwaves; an illuminating lamp and a camera are installed in the hanging box, illuminating signals and signals of images taken by the camera are transmitted also through microwaves, the microwave receiver of the control room on the bank sends the received signals to a local area network through a router, and a center monitor room and a personal information terminal are in information communication with the system through the local area network. The method and system integrates measuring, arranging and calculating, the target of natural river unattended operation hydrology cableway remote automatic flow measuring is achieved, workers do not need to measure flow on site, the working efficiency is improved, an XX hydrometric station depth sounding, speed measuring recording and flow calculating table is automatically generated, submitted and saved after measuring is finished, and the requirement for intelligent river water flow management is met.

Description

Technical field: [0001] The invention relates to a natural river flow measurement method, in particular to a remote automatic flow measurement method and system for an unattended hydrological cableway of a natural river. Background technique: [0002] my country has a vast territory with a large north-south span, tropical, subtropical and temperate zones, and complex and diverse climate types. my country's water resources are seriously insufficient, only equivalent to 1 / 4 of the world's per capita possession; the distribution of water resources is extremely uneven, seriously affected by terrain and monsoons, and the distribution of precipitation is extremely uneven. There is insufficient water in the north, but there is a surplus in the south. Precipitation varies greatly in time and space, and precipitation is concentrated in a very short rainy season; soil erosion is serious. my country is one of the countries with the most serious water and soil erosion in the world. The...

AI Technical Summary

Problems solved by technology

[0004] There are problems in the existing hydrological cableway: 1. The signal transmission effect of lead fish monitoring is not good, and the wireless network transmission of dual audio signals is used, and the signal is easily interfered, especially Severe weather has a greater impact, resulting in inaccurate monitoring data

2. There is no positioning device for the traction cable, affected by the gravity of the auxiliary cable and the traction cable itself, it is not synchronized with the lead fish, which affects the monitoring effect

3. When the rivers in the north are flooded, there are too many aquatic plants and floating objects, which makes the flow meter unable to monitor, or the monitoring effect is not good, and the purpose of monitoring the change of river water volume cannot be achieved.

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