Quasi-distributed geothermal shallow well temperature real-time monitoring system and method

A real-time monitoring system, quasi-distributed technology, applied in thermometers, thermometers with physical/chemical changes, measuring devices, etc., can solve the problems of low precision and poor real-time monitoring, and achieve high precision, good real-time performance, and not easy to corrode Effect

Pending Publication Date: 2018-07-17
CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS
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[0005] In view of the above analysis, the present invention aims to provide a quasi-distributed temperature geothermal shallow w

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  • Quasi-distributed geothermal shallow well temperature real-time monitoring system and method
  • Quasi-distributed geothermal shallow well temperature real-time monitoring system and method

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[0051] Preferred embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the principle of the present invention.

[0052] The invention can realize the quasi-distributed temperature monitoring of geothermal shallow wells, especially shallow geothermal energy drilling, has the advantages of sensitive temperature sensing, flexible arrangement of sensor positions, anti-electromagnetic interference, and is not subject to comparisons such as complex geometric spaces (such as small-aperture boreholes). Harsh environmental restrictions and other characteristics.

[0053] Such as figure 1 As shown, this embodiment provides a quasi-distributed geothermal shallow well temperature real-time monitoring system, including a micro-control subsystem 1, an optical signal emission an...

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Abstract

The invention relates to the field of distributed geothermal shallow well temperature real-time monitoring, and provides a monitoring system and method. The system comprises a micro control subsystem,an optical signal emission and transmission subsystem, a temperature sensing network and a photoelectric signal converting and processing subsystem. The micro control subsystem controls the emissionof scanning optical signals. The optical signal emission and transmission subsystem emits scanning optical signals to the temperature sensing network. The photoelectric signal converting and processing subsystem receives the optical signals returned by all temperature sensor strings, converts the optical signals into electrical signals and transmits the electrical signals to the micro control subsystem to realize temperature monitoring. The problem that the existing monitoring equipment has poor corrosion resistance, is vulnerable to electromagnetic interference, cannot realize multi-channel real-time monitoring and has low precision is solved.

Description

technical field [0001] The invention relates to the field of real-time temperature monitoring of geothermal shallow wells, in particular to a quasi-distributed real-time temperature monitoring system and method for geothermal shallow wells. Background technique [0002] Shallow geothermal energy refers to the heat energy that is generally lower than 25°C and has development and utilization value in rock and soil, groundwater, and surface water within a certain depth (generally less than 200 meters) below the surface. [0003] At present, the research level of shallow geothermal energy in my country is relatively low, especially in terms of heat transfer efficiency and energy saving. . [0004] The existing technology uses platinum resistance thermometers or DS18B20 temperature sensors or channel switching methods to collect temperature data in geothermal shallow wells. The monitoring equipment has poor corrosion resistance and is susceptible to electromagnetic interference. ...

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Application Information

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IPC IPC(8): G01K11/32G01K11/3206
CPCG01K11/3206
Inventor 郝文杰史彦新蒿书利李胜涛贾小丰张建伟孟宪玮
Owner CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS
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