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Tunnel water leakage detection method and device based on temperature gradient

A technology of temperature gradient and detection method, applied in the direction of measuring device, application of thermometer, tunnel, etc., to achieve the effect of reducing loss, simple structure and saving transmission cable

Active Publication Date: 2014-12-24
TONGJI UNIV ARCHITECTURAL DESIGN INST GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a method and device for detecting water leakage in tunnels based on temperature gradients in order to overcome the defects of the above-mentioned prior art. Water leaks to solve problems with existing detection methods

Method used

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  • Tunnel water leakage detection method and device based on temperature gradient
  • Tunnel water leakage detection method and device based on temperature gradient
  • Tunnel water leakage detection method and device based on temperature gradient

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Embodiment

[0032] figure 1 and figure 2 An embodiment of the tunnel water leakage detection device based on the temperature gradient of the present invention is shown, wherein, figure 1 It is the structural representation of this embodiment, figure 2 Flowchart for the detection.

[0033] Such as figure 1 As shown, a tunnel water leakage detection device based on temperature gradient includes detection units 101 and 102 , data transmission unit 108 and management control unit 112 .

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Abstract

The invention discloses a tunnel water leakage detection method and device based on temperature gradient. A temperature sensor array is distributed on the inner wall of a tunnel, whether leakage exists in a tested area or not is judged according to the temperature of each platinum resistor measurement point on the basis of the temperature difference between water and the wall and the evaporation heat loss effect of water, and the shape of the a leakage area can be estimated according to detection information. Through the method and device, positioning can be performed and an alarm can be given in time when water leakage occurs so that management staff can find and govern the water leakage portions of the tunnel in the first time. Besides, the development of the existing water leakage portions can be monitored for a long time, and observation on the evolution tendency of structural performance of the tunnel can be facilitated.

Description

technical field [0001] The invention relates to the technical field of tunnel water leakage detection, in particular to a temperature gradient-based tunnel water leakage detection method and device. Background technique [0002] With the improvement of the modernization level of our country's cities and the acceleration of people's life rhythm, the subway is gradually becoming an important part of the public transportation system in big cities due to its convenient and fast advantages. A large number of provincial capital cities and some second-tier cities are investing huge sums of money to build new subways . At the same time, the problems facing the healthy service of subway tunnels have become increasingly prominent. Leakage is the most common and typical structural disease of subway tunnels. Many urban subways in my country are plagued by serious water leakage. [0003] Under the long-term erosion of groundwater, the concrete and steel bars in the tunnel lining are co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/40G01K13/00E21D11/38
Inventor 黄宏伟何斌程姝菲黄强文长辉
Owner TONGJI UNIV ARCHITECTURAL DESIGN INST GRP CO LTD
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