Instrument for exploring fractures and cavernouse formation

A detector and stratum technology, applied in the field of shallow stratum crack and hole detector, can solve the problems of inconvenient comprehensive analysis, reduced work efficiency, inconvenient portability, etc., to improve measurement accuracy and anti-interference ability, improve accuracy and resolution, The effect of volume and weight reduction

Inactive Publication Date: 2005-10-12
中国人民解放军沈阳军区司令部工程科研设计所
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  • Application Information

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Problems solved by technology

[0003] 1. Because it adopts a centralized electrode changeover switch, not only the weight and volume of the changeover switch are huge, but also each acquisition terminal has one cable and ten electrodes. It is bulky and inconvenient to carry, and it is not easy to quickly survey under complex condit

Method used

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  • Instrument for exploring fractures and cavernouse formation
  • Instrument for exploring fractures and cavernouse formation
  • Instrument for exploring fractures and cavernouse formation

Examples

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Example Embodiment

[0021] It is composed of host, electrode, power supply and cable, and its characteristics are:

[0022] 1. It also has a distributed electrode transfer switch, which connects several switches to each other into a string through a string cable, see Figure 4 , 5 , Figure 5 The composite cable in is 9 cores, A and B are power supply line groups, M and N are measurement line groups, that is, electrodes, 1 is the inner shielding layer, 2 is the outer shielding layer, and 3 is the data communication twisted wire group. 4 is the switch power supply line group. In order to solve the problem of receiving and automatic address selection of the command signal sent by the instrument host, an interface circuit for transmitting the command is designed. The circuit adopts the serial output mode. The host computer changes the instructions serially through the interface circuit, and then through the output circuit for level elevation, the DATA data stream, CLOCK clock and ENABLE function are form...

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Abstract

A detector of crack opening or hole at shallow stratum is featured as applying distributed electrode change - over switch, using serial cable to connect those switches and to make them a string for combining switch box and cable to be an unified body, applying industrial control computer as a host, integrating the computer and collection motherboard to be unified body for not only storing data but also carrying out data processing and imaging on jobsite.

Description

technical field [0001] The invention relates to detection instruments for basic geological conditions, hidden dangers of underground buried engineering, and dangerous situations of dikes. Provide economical, rapid, accurate and reliable underground surveys for various engineering projects such as fortification engineering, civil air defense engineering, high-rise buildings, underground railways, expressways, bridge ports, airports, river embankments and dams. Background technique [0002] In the rapid development of national defense construction and national economic construction, the detection of basic geological conditions is the premise of various engineering constructions, and the discovery of hidden dangers is the key to disaster reduction and prevention. With the increasing number of various high-standard engineering projects such as fortification projects, civil air defense projects, high-rise buildings, underground railways, expressways, bridge ports, airports, emban...

Claims

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Application Information

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IPC IPC(8): G01V3/38
Inventor 龙凡宋长青韩天成杨旭升刘羽连德宗刘成伟赵宝民周强
Owner 中国人民解放军沈阳军区司令部工程科研设计所
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