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Stress-strain gauge applied to hydrological lead fishway bottoming sounding system

A stress-strain and depth-finding technology, which is applied in open-air water source surveying, measuring the depth of open-air water sources, measuring devices, etc., can solve problems such as failure to work, malfunction, and affect the accuracy of hydrological measurements, and achieve the effect of avoiding signal instability.

Pending Publication Date: 2020-11-17
黄河水利委员会中游水文水资源局 +1
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The hydrological cableway can send the hydrological measurement instrument to any designated position of the test section. It is a kind of equipment for measuring the flow velocity of the river channel. However, the conventional signal detection device for the depth sounding of the river section may malfunction or not work, which affects the normal hydrological test. precision

Method used

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  • Stress-strain gauge applied to hydrological lead fishway bottoming sounding system
  • Stress-strain gauge applied to hydrological lead fishway bottoming sounding system
  • Stress-strain gauge applied to hydrological lead fishway bottoming sounding system

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Embodiment Construction

[0023] The technical solution of the present invention is further described below, but the scope of protection is not limited to the description.

[0024] Such as figure 1 As shown, a stress strain gauge is applied to a hydrological lead fish cableway bottoming sounding system; it includes a weighing module and a weighing sensor connected to the weighing module, and the weighing module includes a chip U7, and the chip U7 has a built-in excitation power supply module, an operational amplifier module, an ADC module, and a communication module, the excitation power supply and the operational amplifier are respectively connected to the power supply end and the signal end of the load cell. The system converts the pressure into an electrical signal through the sensor, that is, after the resistance strain gauge inside the sensor senses the pressure, the resistance changes slightly, and the HX711 adjusts the signal to the range that the A / D can collect, and then the A / D collects it, a...

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Abstract

The invention provides a stress-strain gauge applied to a hydrological lead fish cableway grounding sounding system. The stress-strain gauge comprises a weighing module and a weighing sensor connectedwith the weighing module, the weighing module comprises a chip U7, an excitation power supply module, an operational amplifier module, an ADC module and a communication module are arranged in the chip U7, and an excitation power supply and an operational amplifier are respectively connected with a power supply end and a signal end of the weighing sensor. A grounding signal is obtained through resistance change caused by deformation of the strain gauges before and after contacting the river bottom, and the water depth is measured through the mounted counter, so that the problem of signal instability caused by the depth of the river bottom is avoided.

Description

technical field [0001] The invention relates to a stress strain gauge applied to a hydrological plumb fish cableway bottoming sounding system. Background technique [0002] The hydrological cableway can send the hydrological measurement instrument to any designated position of the test section. It is a kind of equipment for measuring the flow velocity of the river channel. However, the conventional signal detection device for the depth sounding of the river section may malfunction or not work, which affects the normal hydrological test. precision. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the present invention provides a stress-strain gauge applied to a hydrological lead fish cableway bottoming sounding system. [0004] The present invention is achieved through the following technical solutions. [0005] A stress strain gauge provided by the present invention is applied to a hydrological lead fish cableway bottoming soun...

Claims

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Application Information

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IPC IPC(8): G01C13/00
CPCG01C13/008
Inventor 陈鸿曹江涛贾俊亮刘培锋郭成山李钦隆褚杰辉何继宏高夏晖王勇赵勇浈杨磊张保军雷文祥郭永旭温耀陈柄乾白洋洋李瑞谢秉豫刘培强杨朔刘瑞芳王雪瑶张瑶武晓梅王英杰肖礼军蒙贵荣向秋林年维鲁亚洲王玉航何宗林解华刚田前艳严蕊田茂蛟
Owner 黄河水利委员会中游水文水资源局
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