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Measurer for oceanic sediment thermal conductivity in-situ measuring system

A marine sediment and measuring device technology, applied in the direction of material thermal conductivity, material thermal development, special data processing applications, etc., can solve the problems of long probe length, long measurement time, complicated instrument manufacturing process, etc., to reduce the seabed The effect of reducing work time, improving measurement accuracy, and improving measurement work efficiency

Inactive Publication Date: 2006-09-27
THE FIRST INST OF OCEANOGRAPHY SOA
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Problems solved by technology

The problems of this technology include: (1) The length of the probe is too large, which is not conducive to maintenance, storage and transportation; (2) The manufacturing process of the instrument is complicated and the cost is high, which is not conducive to wide application and promotion; (3) The time for a single measurement Long, more than 5 minutes, which is not conducive to reducing the difficulty and cost of offshore detection operations

Method used

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  • Measurer for oceanic sediment thermal conductivity in-situ measuring system
  • Measurer for oceanic sediment thermal conductivity in-situ measuring system
  • Measurer for oceanic sediment thermal conductivity in-situ measuring system

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Embodiment Construction

[0024] Embodiments of the present invention are further described as follows in conjunction with accompanying drawings:

[0025] see Figure 1-2 , a kind of measuring device used in the in-situ measurement system of marine sediment thermal conductivity developed by the present invention, the in-situ measurement system includes a measurement probe, an attitude detection circuit, a thermal pulse excitation circuit, and a temperature acquisition circuit, CPU, I / O and memory (EEPROM). Described measuring device comprises:

[0026] a. storage device, used to store in the memory (EEPROM) the acceleration and inclination attitude information induced by the attitude detection circuit of the measuring probe, the temperature-time information induced after the measuring probe is inserted into the deposit, and finally calculate the thermal conductivity Data-specific computer programs;

[0027] b. The input device is used to initialize the MCU in the measuring probe, and input the initi...

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Abstract

This invention relates to a measurer for oceanic sediment thermal conductivity in-situ measuring system, which comprises: a measuring probe, an attitude detection circuit, a thermal impulse excitation circuit, a temperature collection circuit, a CPU, I / O, and a memory. Wherein, the measuring device comprises: a. a memory; b. an input device; c. a detection device; d. a calculation device to calculate the thermal conductivity by formula k=0.029275*Q / (Tmtm) and store the data in an EFPROM; e. an output device. This device improves measurement precision by filter, high-bit A / D conversion and complex algorithm, cuts time to 1~2min, and has simple structure with light weight for convenient communication.

Description

technical field [0001] The invention relates to an improvement of a marine measuring instrument, in particular to a measuring device used in an in-situ measuring system for thermal conductivity of marine sediments. It is a device for accurately measuring the thermal conductivity of marine sediments in the in-situ state of the seabed, and belongs to the technical field of marine physical measurement. Background technique [0002] In modern marine geothermal science, the thermal conductivity of marine sediments is an important parameter to characterize its thermodynamic properties. By measuring the thermal conductivity of marine sediments, and then using Fourier's law to determine the geothermal flow of the seabed, and to analyze and calculate it, it is an important means to obtain information on the thermal state of the oceanic crust and to study the structural evolution and resource status of the seabed. Of. The in-situ measurement of thermal conductivity of marine sedimen...

Claims

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Application Information

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IPC IPC(8): G01N25/20G01N25/18G06F19/00
Inventor 李官保刘保华丁忠军姜丽丽吴金龙阚光明
Owner THE FIRST INST OF OCEANOGRAPHY SOA
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