CN218468836U - Electronic listening rod for pipeline detection - Google Patents
Electronic listening rod for pipeline detection Download PDFInfo
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- CN218468836U CN218468836U CN202222481229.4U CN202222481229U CN218468836U CN 218468836 U CN218468836 U CN 218468836U CN 202222481229 U CN202222481229 U CN 202222481229U CN 218468836 U CN218468836 U CN 218468836U
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Abstract
The utility model relates to the technical field of auxiliary equipment for pipeline flaw detection, in particular to an electronic listening rod for pipeline flaw detection; the device comprises a shell component, a circuit board, a signal wire, a vibration sensor and a probe component; the circuit board is arranged in the shell component and is connected with the vibration sensor through a signal wire; the probe assembly is arranged at the end part of the shell assembly, extends into the shell assembly and is connected with the vibration sensor; adopt the utility model discloses, overall structure is clear succinct, and the cost is controllable, through probe subassembly cooperation vibration sensor, realizes the accurate detection to micro-vibration in the pipeline to in confirming the pipeline micro-sound source, improve pipeline detection efficiency, reduce economic loss.
Description
Technical Field
The utility model relates to a pipeline flaw detection auxiliary assembly technical field specifically is a pipeline detects electronic listening pole.
Background
At present, the situation of shortage of fresh water resources in China is more and more severe, and for a long time, water supply network equipment in cities in China all face the problems of ageing, equipment shortage, technology lag and the like, so that a water supply pipeline has a serious leakage phenomenon; not only in the aspect of water supply, the fluid pipelines have leakage risks, the leakage problems of pipelines such as petroleum, water, gas and the like increasingly cause high attention of enterprises, and the leakage of a pipe network not only causes the waste of resources, but also causes certain influence and obstruction to normal supply; the potential safety hazard is easily buried due to long-term pipeline leakage, and even the occurrence of pipe explosion accidents can be caused, so that the normal life of people is influenced; therefore, the method is particularly important for detecting the pipe network;
at present, maintenance teams are mostly equipped with mechanical listening rods for leakage detection, the principle is that noise is transmitted by using underground pipe networks and underground soil layers, one tapered end of each listening rod is placed on a pipeline exposure point (such as a fire hydrant, a valve, an exposed pipeline and the like), and the other end of each listening rod is attached to an ear to detect whether a certain section of pipeline leaks or not, so that economic loss is reduced; but because the device is purely dependent on a mechanical structure, the device has the problems of low amplification factor and undetected weak signals.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic listening rod is detected to pipeline to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a pipeline detection electronic listening rod comprises a shell component, a circuit board, a signal line, a vibration sensor and a probe component;
the circuit board is arranged in the shell component and is connected with the vibration sensor through a signal wire; the probe assembly is arranged at the end part of the shell assembly, extends into the shell assembly and is connected with the vibration sensor;
furthermore, the inner cavity of the shell component is provided with a mounting bracket and a mounting support pillar; the circuit board is installed in a suspended manner through bolts matched with the installation support columns; the vibration sensor is embedded in the mounting bracket;
furthermore, the vibration sensor comprises a metal pressing block, a positive electrode, a negative electrode, a piezoelectric ceramic piece, an outer frame, a positioning rod and a spring; the positioning rod and the outer frame are integrated, the piezoelectric ceramic piece is sleeved on the positioning rod, the spring is wound on the positioning rod, the metal pressing block is arranged above the piezoelectric ceramic piece, and the upper end of the metal pressing block extends out of the outer frame;
furthermore, the positive electrode and the negative electrode are led out from the piezoelectric ceramic sheet and connected with a circuit board.
Further, the probe assembly comprises a vibrating probe rod, a metal connecting piece and a vibrating sheet; one end of the vibration probe rod extends out of the shell component, the other end of the vibration probe rod extends into the shell component and is connected with the metal connecting piece through threads, the metal connecting piece and the vibration sheet are fixed through screws, and the other end of the vibration sheet is connected with the vibration sensor;
compared with the prior art, the beneficial effects of the utility model are as follows:
adopt the utility model discloses, overall structure is clear succinct, and the cost is controllable, through probe subassembly cooperation vibration sensor, realizes the accurate detection to micro-vibration in the pipeline to in confirm the pipeline micro sound source, improve pipeline detection efficiency, reduce economic loss.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the vibration sensor of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a circuit testing electronic listening stick comprises a housing assembly 100, a circuit board 200, a signal line 300, a vibration sensor 400 and a probe assembly 500;
the circuit board 200 is mounted inside the housing assembly 100 and connected with the vibration sensor 400 through a signal line 300; the probe assembly 500 is arranged at the end of the housing assembly 100, extends into the housing assembly 100 and is connected with the vibration sensor 400;
further, the inner cavity of the housing assembly 100 is provided with a mounting bracket 110 and a mounting brace 120; the circuit board 200 is installed in a suspended manner through bolts in cooperation with the installation support columns 120; the vibration sensor 400 is embedded in the mounting bracket 110;
in this embodiment, the circuit board 200 is a digital-to-analog conversion circuit board, and can convert the sensed noise vibration of the vibration sensor 400 into a digital signal that is easy to analyze and capture, thereby improving the detection precision.
Further, the vibration sensor 400 comprises a metal pressing block 410, a positive pole 420, a negative pole 440, a piezoelectric ceramic piece 430, an outer frame 460, a positioning rod 470 and a spring 450; the positioning rod 470 is integrated with the outer frame 460, the piezoelectric ceramic piece 430 is sleeved on the positioning rod 470, the spring 450 is wound on the positioning rod 470, the metal pressing block 410 is arranged above the piezoelectric ceramic piece 430, and the upper end of the metal pressing block 410 extends out of the outer frame 460; the positive pole 420 and the negative pole 440 are led out from the piezoelectric ceramic piece 430 and connected with the circuit board 200;
in this embodiment, the vibration sensor 400 is configured to transmit a weak vibration signal that is difficult to be sensed as an electrical signal; the external probe assembly 500 receives the vibration frequency, the vibration is transmitted to the vibration sensor 400, the outer frame 460 vibrates, the vibration frequency is transmitted to the piezoelectric ceramic sheet 430 by the vibrating outer frame 460, and the vibration signal is transmitted to the circuit board 200 through the positive electrode and the negative electrode;
further, the probe assembly 500 includes a vibrating probe 510, a metal connector 520, and a vibrating sheet 530; one end of the vibration probe 510 extends out of the housing assembly 100, the other end of the vibration probe extends into the housing assembly 100 and is connected with the metal connecting piece 520 through threads, the metal connecting piece 520 and the vibration sheet 530 are fixed through screws, and the other end of the vibration sheet 530 is connected with the vibration sensor 400;
in this embodiment, the probe assembly 500 is used for detecting noise, wherein the end of the vibration probe 510 extends into the exposed point of the pipeline, the vibration in the pipeline is transmitted to the metal connector 520 through the probe 510, the metal connector 520 transmits the vibration frequency to the vibration sheet 530, and the vibration sheet 530 is connected to the vibration sensor 400, so as to transmit the vibration to the vibration sensor 400.
Adopt the utility model discloses, overall structure is clear succinct, and the cost is controllable, through probe subassembly cooperation vibration sensor, realizes the accurate detection to micro-vibration in the pipeline to in confirming the pipeline micro-sound source, improve pipeline detection efficiency, reduce economic loss.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (5)
1. A kind of pipeline detects the electronic listening rod, characterized by that: comprises a housing assembly (100), a circuit board (200), a signal wire (300), a vibration sensor (400) and a probe assembly (500);
the circuit board (200) is installed inside the shell component (100) and is connected with the vibration sensor (400) through a signal wire (300); the probe assembly (500) is arranged at the end part of the shell assembly (100) and extends into the shell assembly (100) to be connected with the vibration sensor (400).
2. The electronic listening rod for pipeline inspection according to claim 1, wherein: the inner cavity of the shell component (100) is provided with a mounting bracket (110) and a mounting support pillar (120); the circuit board (200) is installed in a suspended manner through bolts in a matched mode and installing supporting columns (120); the vibration sensor (400) is embedded in the mounting bracket (110).
3. The electronic listening rod for pipeline inspection according to claim 2, wherein: the vibration sensor (400) comprises a metal pressing block (410), a positive electrode (420), a negative electrode (440), a piezoelectric ceramic piece (430), an outer frame (460), a positioning rod (470) and a spring (450); the positioning rod (470) and the outer frame (460) are integrated, the piezoelectric ceramic piece (430) is sleeved on the positioning rod (470), the spring (450) is wound on the positioning rod (470), the metal pressing block (410) is arranged above the piezoelectric ceramic piece (430), and the upper end of the metal pressing block (410) extends out of the outer frame (460).
4. The electronic listening rod for pipeline inspection according to claim 3, wherein: the positive electrode (420) and the negative electrode (440) are led out from the piezoelectric ceramic piece (430) and connected with the circuit board (200).
5. The electronic listening rod for pipeline inspection according to claim 1, wherein: the probe assembly (500) comprises a vibrating probe rod (510), a metal connecting piece (520) and a vibrating sheet (530); the vibration feeler lever (510) one end stretches out shell subassembly (100), and the other end stretches into shell subassembly (100) and passes through threaded connection with metal connecting piece (520), metal connecting piece (520) pass through the screw fixation with vibration lamella (530), the other end of vibration lamella (530) is connected with vibration sensor (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222481229.4U CN218468836U (en) | 2022-09-20 | 2022-09-20 | Electronic listening rod for pipeline detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222481229.4U CN218468836U (en) | 2022-09-20 | 2022-09-20 | Electronic listening rod for pipeline detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218468836U true CN218468836U (en) | 2023-02-10 |
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ID=85142273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222481229.4U Active CN218468836U (en) | 2022-09-20 | 2022-09-20 | Electronic listening rod for pipeline detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218468836U (en) |
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2022
- 2022-09-20 CN CN202222481229.4U patent/CN218468836U/en active Active
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