Distributed tandem fine formation temperature measurement and wireless transmission collection system

Abstract

The invention discloses a distributed tandem fine formation temperature measurement and wireless transmission collection system. A plurality of temperature sensors are connected in parallel on a signal transmission line arranged underground, wherein data-transfer relay transmit modules are connected in series on the signal transmission line at regular intervals formed by n temperature sensors connected in parallel, the aboveground part of the signal transmission line is provided with wireless data-transfer relay transmit modules at intervals of 50 meters, a wireless data collecting module and a computer are arranged in a monitoring room, each data-transfer relay transmit module sends temperature values received from the temperature sensors to the wireless data-transfer relay transmit modules, the wireless data-transfer relay transmit modules wirelessly send the received signals to the wireless digital collecting module, and the wireless data collecting module transfers the collected data to the computer through a serial port. The system has the advantages of few test leads, easy debugging, low cost and low requirement on construction technology, and shallow geothermal energy resources can be accurately and finely measured and characterized by adopting the wireless transmission collection system.

Description

technical field [0001] The invention relates to a formation temperature measurement and transmission acquisition system. In particular, it relates to a distributed tandem fine temperature measurement and wireless transmission acquisition system capable of accurately and finely measuring and characterizing shallow geothermal energy resources. Background technique [0002] As an environmentally friendly, clean and renewable new type of energy, shallow geothermal energy resources are being developed and utilized at an annual growth rate of more than 20% in the world. The momentum of large-scale development and utilization of shallow geothermal energy resources in my country is also very rapid. The development of shallow geothermal energy resources is an inevitable trend in the development of green economy, low-carbon economy and circular economy. Scientific, digital, rational and quantitative planning, management and development of shallow geothermal energy resources are the k...

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Problems solved by technology

[0006] 2. The sensor network formed is large in size and not smooth. Therefore, after the cable is lowered, gaps will be formed due to the difficulty of filling the soil, which cannot truly reflect the temperature of the soil layer.

[0007] 3. Because the signal for collecting and sensing temperature is an analog signal, and requires secondary instrument conversion and high-end remote transmission module, the sensor network has high cost and high construction technology requirements, which cannot meet the national geothermal resource census and monitoring design items Require

[0008] 4. At the same time, a wired transmission acquisition system is used. Since the road environment in the monitoring area has been built, it is impossible to dig a wiring trench, so a wireless transmission acquisition method must be used

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