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Concealed wire detection circuit and visual handheld portable hunting instrument

A detection circuit and line finder technology, which is applied to radio wave measurement systems, instruments, measurement devices, etc., can solve the problems of inaccurate line maintenance and transformation, difficult detection of cable line paths, etc., and achieve miniaturization and portability , to avoid the effect of mutual interference

Pending Publication Date: 2022-03-04
JIMEI UNIV CHENGYI COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that in production and life, most of the lines are laid in the dark, it is difficult to detect the path of the cable line, and it is impossible to accurately maintain and modify the line

Method used

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  • Concealed wire detection circuit and visual handheld portable hunting instrument
  • Concealed wire detection circuit and visual handheld portable hunting instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The present invention provides a dark line detection circuit, the dark line detection circuit includes: a magnetic head coil, an induction circuit and a state display circuit; the magnetic head coil is connected to the induction circuit, and the magnetic head coil is used to induce AC current in the dark line The alternating magnetic field generated when the alternating magnetic field is converted into a voltage signal and output to the induction circuit; the induction circuit is connected to the state display circuit, and the induction circuit is used to convert the voltage signal into a binary signal A value signal, the binary signal indicates whether there is a dark line or no dark line under the magnetic head coil; the state display circuit is used to display the binary signal.

[0043] Such as figure 1 As shown, the induction circuit includes NE555 chip U6; pins 2 and 6 of NE555 chip U6 are respectively connected to the two ends of the magnetic head coil; pin 3 of ...

Embodiment 2

[0046] Combining with the dark line detection circuit in Embodiment 1, this embodiment provides a visual handheld and portable wire finding instrument.

[0047] (1) Power supply system

[0048] Powered by a 5V lithium-ion battery, it can achieve large-capacity energy storage and long-term standby. At the same time, a power module with safety protection function is added to the power supply system, so that users can use it more at ease, and can protect the lithium-ion battery when it enters low voltage, so as to protect the battery from being over-discharged due to low voltage. damage. At the same time, it has the ability of reverse charging and can charge other devices.

[0049] (2) Anti-interference structure

[0050] The shell of the whole machine is made of aluminum alloy and acrylic material, and a shielding structure is established between each unit in the bottom sensing part, so as to eliminate the interference between the units, as well as the interference of the pow...

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PUM

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Abstract

The invention relates to a dark line detection circuit. The dark line detection circuit comprises a magnetic head coil, an induction circuit and a state display circuit, the magnetic head coil is connected with the induction circuit, and the magnetic head coil is used for inducing an alternating magnetic field generated when alternating current is introduced into a dark line, converting the alternating magnetic field into a voltage signal and outputting the voltage signal to the induction circuit; the induction circuit is connected with the state display circuit, the induction circuit is used for converting the voltage signal into a binary signal, and the state display circuit is used for displaying the binary signal. According to the invention, based on the principle that when the current in the electrified cable is fixed, the closer the magnetic head coil is to the electrified wire, the stronger the induced voltage is, the magnetic head coil and the induction circuit are arranged for dark line detection, and the state display circuit is used for displaying, so that the detection and visual display of the dark line path are realized.

Description

technical field [0001] The invention relates to the technical field of line detection, in particular to a dark line detection circuit and a visual hand-held portable line finder. Background technique [0002] Nowadays, in the home decoration, the lines will be installed with concealed lines, which can ensure the beauty of the interior, and at the same time, it is convenient to use. Facing the increasingly complex decoration requirements and home requirements, the visual hand-held portable line finder can display the concealed lines and wires in the wall in the form of images. To a great extent, it helps electricians and construction workers to quickly judge whether the wires in the wall are disconnected and the direction of the wires. At the same time, it can quickly judge the direction of the wires in the wall when the circuit routing cannot be correctly judged in old residential areas, which greatly Improve the work efficiency and convenience of decoration workers. [000...

Claims

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Application Information

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IPC IPC(8): G01V3/10
CPCG01V3/10
Inventor 林雄萍谢国栋黄雅萍王一红姚煜谢丽萍
Owner JIMEI UNIV CHENGYI COLLEGE
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