Seepage flow and seepage pressure monitoring device

A measuring device and seepage technology, which is applied in the direction of measuring device, measuring fluid pressure, measuring fluid pressure through electromagnetic components, etc., can solve the problem of low measurement accuracy and reliability, easy water ingress, condensation or damp, and it is difficult to popularize and use and other issues, to achieve the effect of facilitating large-scale promotion, reducing standby power consumption, and facilitating on-site installation and maintenance

Inactive Publication Date: 2010-08-18
TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

[0003] At present, there are many methods for monitoring the water level of reservoir dams at home and abroad, among which there is a floating ball measurement method, which has frequently moving mechanical parts, which is not conducive to accurate measurement of water level , poor long-term stability; the patent No. ZL94203512.7 discloses a piezometric tube water level detector, which is mainly composed of mechanical components such as stepping motors, and has low measurement accuracy and reliability; In the method of pressure measurement and water level measurement, the sensor containing the electronic device must be soaked in water for a long time, it is easy to enter water, condensation or damp, once the water enters, the sensor will completely fail; the patent No. ZL200710067265. A method of measuring water level using a distributed optical fiber temperature sensor. This method is costly. An ordinary reservoir dam needs dozens or even hundreds of piezometric tubes, which is difficult to popularize and use; using a coaxial capacitive sensor to measure water level The method is only applicable to the measurement of the water level in the water storage equipment, not applicable to the measurement of the water level of the reservoir dam; the patent No. ZL200920051119.6 discloses a wireless seepage pressure monitoring system of the reservoir dam, although the system is used Dam monitoring, but it has complex structure and high cost

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  • Seepage flow and seepage pressure monitoring device
  • Seepage flow and seepage pressure monitoring device
  • Seepage flow and seepage pressure monitoring device

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Embodiment Construction

[0027] Such as figure 1 , figure 2 , image 3 Shown: the upper end of the water level sensor 2 that is made of two cable wires 7,7' arranged side by side in parallel, the left and right ends of the outsourcing are convex circles, and the middle part has a concave groove 9. A signal acquisition unit 10 that converts water level information and ambient temperature information into digital information, a microprocessor 11 that can correct and calculate digital information, a wireless communication module 12 that can send out water level calculation information, and a battery pack unit 14 and The control box 1 composed of the voltage conversion unit 13, which can boost the voltage of the battery pack and monitor the battery power in real time, is connected to form a reservoir dam seepage pressure monitoring device of the present invention. In the piezometric tube 3 in the dam body of the dam 4, the control box 1 is placed on the upper end of the piezometric tube 3, and the wate...

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Abstract

The invention provides a seepage flow and seepage pressure monitoring device, which belongs to the technical field of the safety monitoring of the reservoir dam. The invention is characterized in that the upper end of a water level sensor is connected with a control box to form the reservoir dam seepage flow and seepage pressure monitoring device; the water level sensor consists of a twin-core cable which is externally coated with a waterproof dermic layer; the cross section of the twin-core cable is of a infinity shape; the control box consists of a signal acquisition unit, a microprocessor, a wireless communication module, a battery pack and a voltage conversion unit; the signal acquisition unit can convert water level information and environment temperature information into digital information; the microprocessor can correct and calculate the digital information; the wireless communication module can send out water level calculation information; and the voltage conversion unit can carry out boosting conversion on the voltage of the battery pack and carry out real-time monitoring on the electric quantity of the battery pack. During monitoring, the device is arranged in a piezometer tube inserted into the dam body of the reservoir dam to carry out monitoring.

Description

technical field [0001] The invention belongs to the technical field of reservoir dam safety monitoring, and in particular relates to a seepage and seepage pressure monitoring device of a reservoir dam. Background technique [0002] Safety monitoring of reservoir dams is a very important task. The seepage and seepage pressure of dams is one of the important indicators to measure the safety degree of reservoir engineering operation, which is generally realized by monitoring the water level. [0003] At present, there are many methods for monitoring the water level of reservoir dams at home and abroad, among which there is a floating ball measurement method, which has frequently moving mechanical parts, which is not conducive to accurate measurement of the water level, and has poor long-term stability; the patent No. ZL94203512.7 is disclosed A piezometric tube water level detector, mainly composed of mechanical components such as stepping motors, has low measurement accuracy a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/26G08C17/02G01L9/00
Inventor 董增寿常春波李晓芳郭一娜高文华曾建潮
Owner TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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