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Open channel water level gauge for detecting siltation and detection method of open channel water level gauge

A technology of water level gauge and open channel, applied in the field of channel detection, can solve problems such as difficulty in detecting the thickness of silt

Active Publication Date: 2022-07-26
北京慧图科技(集团)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above analysis, the present invention aims to provide an open channel water level gauge for detecting silt and its detection method, in order to solve the problem of difficulty in detecting the thickness of silt before the silt removal in existing channels

Method used

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  • Open channel water level gauge for detecting siltation and detection method of open channel water level gauge
  • Open channel water level gauge for detecting siltation and detection method of open channel water level gauge
  • Open channel water level gauge for detecting siltation and detection method of open channel water level gauge

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Embodiment 1

[0042] A specific embodiment of the present invention, such as figure 1 As shown, an open channel water level gauge for detecting siltation is disclosed, including: a measuring bridge 1, a driving motor 2, a detection tube 3, a sensor bracket 4, a displacement sensor 8, a water immersion sensor 9 and a contact plate 10; the measuring bridge 1 is erected Above the channel, it is used as the support of the open channel water level gauge; the driving motor 2 is used to drive the displacement of the detection tube 3; the sensor bracket 4 is arranged inside the detection tube 3, and the touch panel 10 is fixedly installed on the lower end of the sensor bracket 4; the submersion sensor 9 is installed in the On the touch panel 10; the submersion sensor 9 is used to detect the position of the water surface; the displacement sensor 8 is used to monitor the displacement of the detection tube 3.

[0043] In a specific embodiment of the present invention, as figure 2 As shown, a spring ...

Embodiment 2

[0071] A detection method for an open channel water level gauge for detecting deposition, using the open channel water level gauge of Embodiment 1 to detect the thickness of the deposition at the bottom of the channel, comprising the following steps:

[0072] Step S1: the drive motor 2 drives the detection tube 3 to move down;

[0073] Step S2: the displacement sensor 8 monitors the displacement of the detection tube 3 in real time;

[0074] Step S3: The displacement sensor 8 measures the stroke of the detection pipe 3 when the contact plate 10 is in contact with the water surface and when the contact plate 10 is in contact with the mud;

[0075] Step S4: Calculate the actual water level depth in the channel h=h2-h1; calculate the thickness of the silt at the bottom of the channel h3=H-h2.

[0076] Preferably, the driving motor 2 drives the detection tube 3 to move down through the transmission mechanism; specifically, the process of driving the detection tube 3 to move by th...

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Abstract

The invention relates to an open channel water level gauge for detecting siltation and a detection method thereof, belongs to the technical field of channel detection, and solves the problem that the siltation thickness is difficult to detect after channel siltation in the prior art. The open channel water level gauge comprises a measuring bridge, a driving motor, a detection tube, a sensor bracket, a displacement sensor, a water immersion sensor and a touch panel, the measuring bridge is erected above the channel and serves as a support of the open channel water level gauge; the driving motor is used for driving the detection tube to move; the sensor support is arranged in the detection tube, and the touch panel is fixedly mounted at the lower end of the sensor support; the water immersion sensor is mounted on the touch panel; the water immersion sensor is used for detecting the water surface position; and the displacement sensor is used for monitoring the displacement amount of the detection tube. The real water level and the sludge thickness are indirectly obtained by monitoring the stroke of the detection pipe.

Description

technical field [0001] The invention relates to the technical field of channel detection, in particular to an open channel water level gauge for detecting siltation and a detection method thereof. Background technique [0002] In my country, the backbone channels of large and medium-sized irrigation areas are mostly soil channels, and siltation is a common phenomenon in such channels. During long-term operation, soil erosion on rock slopes and deposition of sediment entrained in water transport are the main factors causing channel siltation. Sedimentation raises the channel and reduces the water-passing section. Over time, the water-passing capacity of the channel is constantly limited, and the engineering benefits cannot be fully exerted. Therefore, regular channel dredging is a common task in the management scope. Before the canal dredging, the measurement and calculation of the amount of earthwork deposited at the bottom of the canal is an indispensable technical work, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/00G01B21/08
CPCG01F23/00G01B21/08Y02A90/30
Inventor 杨国光杜富民张智
Owner 北京慧图科技(集团)股份有限公司
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