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Temperature effect based concealed wire detector

A technology of temperature effect and detection instrument, which is applied in the direction of instrumentation and geophysical measurement, etc., can solve the problems of large volume, high price and poor safety of dark line detection instrument, and achieve the effect of simple structure, small error and strong practicality

Inactive Publication Date: 2014-12-17
HENAN UNIV OF SCI & TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a dark line detector based on temperature effect to solve the problems of large volume, high price and poor safety of the current dark line detector

Method used

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  • Temperature effect based concealed wire detector
  • Temperature effect based concealed wire detector
  • Temperature effect based concealed wire detector

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Embodiment Construction

[0014] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0015] like figure 1 As shown, the dark line detector based on the temperature effect of the present invention includes a single-chip microcomputer, a temperature sensor array, an acousto-optic alarm device and a power supply module. The end control is connected with the sound and light alarm device, and the power supply port of the power supply module is connected with the power port of the single-chip microcomputer to provide power for the single-chip microcomputer. In order to be able to know the temperature in real time during the detection process, the output terminal of the single chip microcomputer is also connected with an LED display.

[0016] In this embodiment, the single-chip microcomputer can be selected 51 series single-chip microcomputer such as 89C51, which is used to collect and process the temperature sensor array signal, ...

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Abstract

The invention relates to a temperature effect based concealed wire detector and belongs to the technical field of electronic measurement. The temperature effect based concealed wire detector comprises a single-chip microcomputer, a temperature sensor array and a sound and light alarm device, the output end of the temperature sensor array is connected with the input end of the single-chip microcomputer, and the output end of the single-chip microcomputer is in control connection with the sound and light alarm device. Wall temperature changes are detected through the high-precision temperature sensor array according to the principle that concealed wires generate gentle heat in the process of energilization, and the sound and light alarm device is controlled to give an alarm when the temperature difference of sensors in the array is larger than a set value, and accordingly detection of the concealed wires in the wall is realized. The temperature effect based concealed wire detector is simple in structure, convenient to use, high in practicality, accurate in detection and positioning and small in error, and the problem that accurate positions of the concealed wires are difficult to search in building construction at present is solved.

Description

technical field [0001] The invention relates to a dark line detector based on temperature effect, which belongs to the technical field of electronic measurement. Background technique [0002] At present, there are already detection methods for objects in unknown environments at home and abroad, mainly as follows: Hall effect magnetic field detector, which uses Hall effect sensors to sense the magnetic field around the live cable. The instrument can only work normally in an environment with a strong enough magnetic field, and cannot effectively detect the micro-electromagnetic signal emitted by the wire buried in the wall; the general metal detector uses a high-frequency oscillator to detect the eddy current of the wire to determine the approximate location of the metal. The instrument has a low resolution to objects in the wall, and cannot effectively distinguish metals such as live wires and steel bars in the wall. Signal-type fault locator, by loading the transmitter into...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V9/00
Inventor 张伏王俊付三玲邱兆美王甲甲岳斌斌刘红梅王唯
Owner HENAN UNIV OF SCI & TECH
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