Acoustic online quality monitoring system for pipes
The online acoustic quality monitoring system for pipes utilizes acoustic imaging technology and sound source localization algorithms to capture sound wave signals within the pipes, identify and mark defects, and solve the problems of low efficiency and damage in traditional testing, thus achieving efficient and accurate pipe quality monitoring.
Patent Information
- Application Number
- CN202520293300.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Traditional pipe quality inspection methods are inefficient and have large errors, making it difficult to accurately detect minute structural defects in real time on high-speed production lines. Furthermore, contact inspection may damage the pipes.
An online acoustic quality monitoring system for pipes is adopted. By inputting compressed air into the pipe, sound wave signals are captured and converted into acoustic images. Defects are identified by combining acoustic imaging technology and sound source localization algorithms, and precise marking is performed using an inkjet printer.
It enables efficient, non-contact pipe defect detection, improves detection efficiency, avoids physical damage to pipes, and provides clear markings for easy maintenance.
Smart Images
Figure CN223756678U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pipeline detection tool, more exactly, it is a kind of pipe acoustic on-line quality monitoring system. BACKGROUND
[0002] In the pipe production process, it is crucial to ensure pipe quality.The traditional pipe quality detection method has many deficiencies, such as low efficiency, large error, contact detection may cause damage to the pipe, and it is difficult to detect small structural defects such as holes, cracks and the like in real time and accurately on high-speed production line.With the expansion of pipe production scale and the improvement of quality requirements, there is an urgent need for an efficient, accurate and non-contact on-line quality monitoring system. SUMMARY
[0003] Therefore, it is necessary to provide a pipe acoustic on-line quality monitoring system for the above technical problems.
[0004] To solve the above technical problems, the utility model adopts the technical scheme as follows:
[0005] A pipe acoustic on-line quality monitoring system, characterized in that the pipe acoustic on-line quality monitoring system comprises a conveying platform for conveying pipes, a compressed gas source is arranged on one side of the head of the conveying platform, an acoustic camera, a control unit, an alarm and a code marking machine are arranged on the side of the conveying platform, the control unit comprises a cabinet, an on-line acoustic camera gas leakage detection module, a sound source positioning algorithm module, an automatic code marking module, a data processing and analysis platform and a control module are arranged in the cabinet, and the control unit controls the code marking machine.
[0006] As a preferred embodiment of the utility model, the alarm is arranged on the top of the cabinet.
[0007] As a preferred embodiment of the utility model, the acoustic camera is arranged at a preset detection distance from the pipe.
[0008] As a preferred embodiment of the utility model, the code marking machine is arranged at the end of the pipe.
[0009] As a preferred embodiment of the utility model, the injection pressure of the compressed gas source is 0.1MPa-0.2MPa.
[0010] As a preferred embodiment of the utility model, the alarm is an audible and visual alarm.
[0011] As a preferred embodiment of the utility model, the acoustic camera is installed on the adjustable clamp, the adjustable clamp comprises a base, the base is provided with an adjusting screw rod, the tail end of the adjusting screw rod is provided with an adjusting motor, and the control module controls the adjusting motor.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The utility model provides a kind of pipe acoustic on-line quality monitoring system, which inputs compressed air in pipeline, captures the acoustic signal generated by gas leakage on the surface of pipeline using monitoring system, and converts it into acoustic image, identifies whether there is defect and alarms, and uses acoustic imaging technology and sound source positioning algorithm to accurately locate the defect point on the surface of pipe. At the same time, after the system detects the defect, it can automatically trigger the code spraying device to accurately mark the leakage point. The monitoring system effectively improves the detection efficiency of the pipeline, avoids physical damage to the pipeline, has obvious effect and strong practicability. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the scheme in the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating labor.
[0015] Figure 1 It is the structure distribution schematic diagram of the pipe acoustic on-line quality monitoring system of the utility model;
[0016] Figure 2 It is Figure 1 The module structure schematic diagram of control unit in it;
[0017] Figure 3 It is the structure distribution schematic diagram of another embodiment of the utility model;
[0018] The mark in the drawing is as follows: 1, acoustic camera; 2, control unit; 20, cabinet body; 21, on-line acoustic camera gas leakage detection module; 22, sound source positioning algorithm module; 23, automatic code spraying marking module; 24, data processing and analysis platform; 25, control module; 3, alarm; 5, compressed gas source; 6, conveying platform; D, detection distance; S, pipe. DETAILED DESCRIPTION
[0019] In order to make the personnel in the technical field better understand the scheme of the utility model, the following will combine the drawings in the embodiment of the utility model to clearly and completely describe the technical scheme in the embodiment of the utility model.
[0020] As Figure 1 And Figure 2 As shown in the figure, the pipe acoustic online quality monitoring system comprises a conveying platform 6 for conveying the pipe S, a compressed gas source 5 arranged at the head side of the conveying platform 6, an acoustic camera 1, a control unit 2, an alarm 3 and a code marking machine 4 arranged at the side of the conveying platform 6, the control unit 2 comprises a cabinet 20, the cabinet 20 is internally provided with an online acoustic camera gas leakage detection module 21, a sound source positioning algorithm module 22, an automatic code marking module 23, a data processing and analysis platform 24 and a control module 25, and the control unit 2 controls the code marking machine 4.
[0021] It should be noted that the alarm 3 is arranged at the top of the cabinet 20. The code marking machine 4 is arranged at the end of the pipe S.
[0022] In addition, the acoustic camera 1 is arranged at a preset detection distance D from the pipe S, and the acoustic camera 1 is kept at an optimal receiving distance from the surface of the pipe S, so as to ensure that the detected signal is clear and accurate.
[0023] It should be noted that the acoustic camera 1 is provided with a plurality of probes, and the code marking machine 4 is provided with a plurality of code marking heads.
[0024] In addition, the injection pressure of the compressed gas source 5 is 0.1-0.2 MPa.
[0025] The alarm 3 is an audible and visual alarm.
[0026] The working mode of the pipe acoustic online quality monitoring system will be described below, comprising the following steps:
[0027] Step S1, using the compressed gas source 5 to fill the pipe S with compressed air at a pressure of about 0.1-0.2 MPa;
[0028] Step S2, using the conveying platform 6 to enter the acoustic camera detection area during the running of the pipe S on the production line;
[0029] Step S3, the gas leaks from the small holes on the surface of the pipe S to generate acoustic signals;
[0030] Step S4, the acoustic camera 1 captures the acoustic signals;
[0031] Step S5, the control unit 2 analyzes the signals using the sound source positioning algorithm to determine whether it is a gas leakage and accurately locate the defect position;
[0032] Step S6, the alarm 3 emits sound and light to remind the operator to check and handle;
[0033] Step S6, the control unit 2 automatically triggers the ink-jet marking machine 4 to mark the location of the leak on the surface of the pipeline S, the marking is clear, and the maintenance personnel can easily identify the problem area.
[0034] In step S5, the online acoustic camera gas leakage detection module 21 captures the acoustic signals generated by the gas leakage on the surface of the pipeline S and converts them into acoustic images to identify whether there are defects (such as holes, cracks, etc.). The sound source positioning algorithm module 22, based on acoustic imaging technology and combined with sound source positioning algorithms (such as MUSIC, CBF, etc.), can achieve high-precision leak point positioning.
[0035] The automatic ink-jet marking module 23 will automatically trigger the ink-jet marking machine 4 for accurate marking when a gas leak is detected. The marking content includes the identification of the defect location and related information, which facilitates subsequent maintenance and quality tracking.
[0036] The data processing and analysis platform 24 integrates acoustic image analysis, data storage, and report generation. This platform supports real-time analysis of pipeline defects and generates detection reports, and provides real-time audible and visual alarm information. The data processing and analysis platform 24 automatically stores records of alarm data and abnormal data for later viewing, analysis, and optimization of the production process. In addition, the data processing and analysis platform 24 provides a friendly operating interface, allowing users to view detection results and historical data in real time, and supports remote monitoring after networking.
[0037] The control module 25 monitors the state of the pipeline in real time and processes the signals collected by the acoustic camera 1 through the control system. When an abnormal defect signal is detected, the control module 25 automatically sends a signal instruction to trigger the ink-jet marking machine 4 for marking.
[0038] The control module 25 is used to coordinate the work of the acoustic imaging monitoring terminal, ink-jet marking machine, data analysis platform, and other modules to ensure efficient operation of the system.
[0039] The pipe acoustic online quality monitoring system inputs compressed air into the pipeline, captures the acoustic signals generated by gas leakage on the surface of the pipeline, and converts them into acoustic images to identify whether there are defects and issue an alarm. It also uses acoustic imaging technology and sound source positioning algorithms to accurately locate the defect points on the surface of the pipe. At the same time, the system can automatically trigger the ink-jet marking device to accurately mark the leak point after detecting the defect. This monitoring system effectively improves the detection efficiency of the pipeline, avoids physical damage to the pipeline, has obvious effects, and is highly practical.
[0040] As Figure 3As shown, it is another embodiment of the utility model, at this time, the acoustic camera 1 is installed on the adjustable clamp 10, the adjustable clamp 10 includes base 101, is equipped with adjusting screw rod 102 on the base 101, the end of adjusting screw rod 102 is equipped with adjusting motor 103.The control module 25 controls the adjusting motor 103.
[0041] By using the adjustable clamp 10, the user can accurately adjust the detection distance D of the acoustic camera 1, further improving the ease of use of the monitoring system.
[0042] Obviously, the above-described embodiments are only part of the embodiments of the present application, not all the embodiments, the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application.
Claims
1. A pipe acoustic online quality monitoring system, characterized by, The pipe acoustic online quality monitoring system comprises a conveying platform (6) for conveying a pipe (S), a compressed gas source (5) is arranged on the head side of the conveying platform (6), an acoustic camera (1), a control unit (2), an alarm (3) and a code marking machine (4) are arranged on the side of the conveying platform (6), the control unit (2) comprises a cabinet (20), the cabinet (20) is internally provided with an online acoustic camera gas leakage detection module (21), a sound source positioning algorithm module (22), an automatic code marking module (23), a data processing and analysis platform (24) and a control module (25), and the control unit (2) controls the code marking machine (4).
2. The pipe acoustic online quality monitoring system of claim 1, wherein, The alarm (3) is arranged on the top of the cabinet (20).
3. The pipe acoustic online quality monitoring system of claim 1, wherein, The acoustic camera (1) is arranged at a preset detection distance (D) from the pipe (S).
4. The pipe acoustic online quality monitoring system of claim 1, wherein, The code marking machine (4) is arranged at the end of the pipe (S).
5. The acoustic online pipe quality monitoring system of claim 1, wherein, The injection pressure of the compressed gas source (5) is 0.1-0.2 MPa.
6. The pipe acoustic online quality monitoring system of claim 1, wherein, The alarm (3) is an audible and light alarm.
7. The pipe acoustic online quality monitoring system of claim 1, wherein, The acoustic camera (1) is mounted on an adjustable clamp (10), the adjustable clamp (10) comprises a base (101), an adjusting screw rod (102) is arranged on the base (101), an adjusting motor (103) is arranged at the end of the adjusting screw rod (102), and the control module (25) controls the adjusting motor (103).