A water-jet coupled ultrasonic on-line detection system for continuously winding glass steel pipe

Abstract

The utility model discloses a kind of water spraying coupling ultrasonic online detection systems of continuous winding glass steel pipe, comprising: ultrasonic detection module, spray head, water pressure control system, water circulation filtering device, spray head position adjusting mechanism, electric control system, host computer and production equipment movement mechanism;The ultrasonic detection module can stimulate to generate high-voltage negative square wave signal, with ultrasonic pulse generation receiving channel, integrated pulse generator receiver, high-speed data acquisition card, for connecting the ultrasonic probe in spray head after stimulating to generate ultrasonic wave.The utility model adopts water spraying coupling high-voltage low-frequency ultrasonic wave pulse echo detection technology to combine special detection environment structure design, to the continuous winding glass steel pipeline of helical motion in production is carried out fast scanning, carries out defect imaging, real-time determination and alarm, realizes to the efficient reliable online detection of pipeline internal defect, realizes industry detection technology breakthrough.

Description

Technical Field

[0001] This utility model relates to the field of online inspection technology for fiberglass pipes, specifically a water-jet coupled ultrasonic online inspection system for continuously wound fiberglass pipes. Background Technology

[0002] Continuously wound fiberglass pipes have advantages such as being lightweight, high-strength, corrosion-resistant, and having a long service life, and are widely used in industries such as water conservancy projects, marine engineering, power / nuclear power projects, and municipal engineering.

[0003] Due to the complex stresses experienced during transportation, construction, and service, continuously wound fiberglass pipes require high strength and hardness. However, defects such as voids, delamination, and debonding are prone to occur during the manufacturing process. These defects reduce the pipe's performance and service life, potentially leading to serious production or safety accidents. Currently, non-destructive testing of composite material pipes such as continuously wound fiberglass pipes relies on offline methods such as ultrasonic testing, radiographic testing, acoustic emission, and microwave methods. These methods cannot effectively control and guarantee pipe quality during production, nor can they promptly prevent material loss. Utility Model Content

[0004] The purpose of this invention is to provide a water-jet coupled ultrasonic online detection system for continuously wound fiberglass pipes, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A water-jet coupled ultrasonic online detection system for continuously wound fiberglass pipes includes: an ultrasonic detection module, a nozzle, a water pressure control system, a water circulation filtration device, a nozzle position adjustment mechanism, an electrical control system, a host computer, and a production equipment motion mechanism;

[0007] The ultrasonic detection module is capable of generating a high-voltage negative square wave signal. It has an ultrasonic pulse generation and receiving channel and integrates a pulse generator receiver and a high-speed data acquisition card. It is used to connect to the ultrasonic probe in the nozzle to generate ultrasonic waves. After propagating through the water in the nozzle and interacting with the sample, the returned ultrasonic waves are received by the corresponding ultrasonic probe, converted into electrical signals, and transmitted to the host computer for processing and analysis after AD conversion.

[0008] As a further embodiment of this utility model: the nozzle includes an ultrasonic probe and a nozzle housing, wherein the ultrasonic probe uses a 0.2MHz-0.5MHz frequency and a 30-50mm large-size chip.

[0009] As a further aspect of this utility model: the water pressure control system provides the nozzle with a stable water flow with stable pressure and velocity.

[0010] As a further embodiment of this utility model: the water circulation filtration device is used to connect the water inlet of the water tank and the water outlet of the water storage tank.

[0011] As a further embodiment of this utility model: the nozzle position adjustment mechanism includes a three-axis adjustment mechanism to adjust the distance between the probe and the pipe surface and to adjust the ultrasonic probe axis to a position perpendicular to the bottom of the pipe.

[0012] As a further embodiment of this utility model, the electrical control system is equipped with a control circuit for a water pressure control system.

[0013] As a further improvement of this utility model, the host computer is equipped with ultrasonic testing software to control the working status of the entire system.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention employs water-jet coupled high-pressure low-frequency ultrasonic pulse echo detection technology combined with a special detection environment structure design to rapidly scan continuously wound fiberglass pipes in spiral motion during production, performing defect imaging, real-time judgment, and alarm, achieving efficient and reliable online detection of internal pipe defects, and realizing a breakthrough in industry detection technology. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a water-jet coupled ultrasonic online testing system for continuously wound fiberglass pipes. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example 1

[0019] Please see Figure 1 A water-spray coupled ultrasonic online detection system for continuously wound fiberglass pipes includes: an ultrasonic detection module, a nozzle, a water pressure control system, a water circulation filtration device, a nozzle position adjustment mechanism, an electrical control system, a host computer, and a production equipment motion mechanism.

[0020] The ultrasonic detection module is capable of generating a high-voltage negative square wave signal. It has an ultrasonic pulse generation and receiving channel and integrates a pulse generator receiver and a high-speed data acquisition card. After connecting to the ultrasonic probe in the nozzle, it generates ultrasonic waves. After propagating through the water in the nozzle and interacting with the sample, the returned ultrasonic waves are received by the corresponding ultrasonic probe, converted into electrical signals, and transmitted to the host computer for processing and analysis after AD conversion.

[0021] Preferably, the nozzle includes an ultrasonic probe and a nozzle housing, wherein the ultrasonic probe uses a 0.2MHz-0.5MHz frequency, 30-50mm large-size crystal to generate and receive ultrasonic waves, and the 0.2MHz frequency ultrasonic probe is used to detect the fiberglass pipe.

[0022] Preferably, the water pressure control system provides a stable pressure and flow rate of water to the nozzle, allowing ultrasonic signals to propagate through the water.

[0023] Preferably, the water circulation filtration device is used to connect the water inlet of the water tank and the water outlet of the water storage tank to circulate and filter the water during the testing process, thereby realizing the recycling of water.

[0024] Preferably, the nozzle position adjustment mechanism includes a three-axis adjustment mechanism to adjust the distance between the probe and the pipe surface and to adjust the ultrasonic probe axis to a position perpendicular to the bottom of the pipe.

[0025] Preferably, the electrical control system is equipped with a control circuit for the water pressure control system, which is used by the controller to operate.

[0026] Preferably, the host computer is equipped with ultrasonic testing software to control the working status of the entire system, wherein the ultrasonic testing software can perform A, B, and C scan imaging.

[0027] The specific testing steps are as follows:

[0028] 1) Based on the height and position of the bottom of the pipe, adjust the axis of the ultrasonic probe to be perpendicular to the bottom of the pipe using the nozzle position adjustment mechanism;

[0029] 2) In the host computer software, set or import preset detection parameters, including ultrasonic detection parameters such as ultrasonic frequency, sampling frequency, excitation voltage, and pulse repetition frequency, as well as A-wave display range, gate range and height (gate 1: the range covers the entire thickness of the pipe, including surface echo, defect echo and bottom echo, and the initial wave peak position inside the gate is obtained through this gate, and the amplitude of this peak will not be affected by near-surface defect echo; gate 2: defect echo gate, the starting position of this gate will follow the initial wave peak position obtained by gate 1 to eliminate the interference caused by pipe rotation eccentricity and unevenness of the pipe surface, and ensure that the detected defect wave position is at a fixed distance from the pipe surface position), scanning step, TCG compensation curve, etc.

[0030] 3) When the pipeline encounters the nozzle, the detection system is activated to perform ultrasonic spray coupling detection, and the electrical control system controls the water pressure control system and water circulation filtration device to start working.

[0031] 4) As the pipeline spirals, ultrasonic signals and encoder feedback signals are acquired through the ultrasonic detection module. The host computer software displays the A-scan, B-scan, and C-scan images in real time. If the ultrasonic defect echo exceeds the gate threshold, the software will display an alarm and record the defect location. At the same time, the defect location is displayed through the B-scan and C-scan.

[0032] 5) After a defect alarm is triggered, the host computer sends a stop command to the fiberglass pipe production unit to stop the operation of the unit.

[0033] This invention employs water-jet coupled high-pressure low-frequency ultrasonic pulse echo detection technology combined with a special detection environment structure design to rapidly scan continuously wound fiberglass pipes in spiral motion during production, performing defect imaging, real-time judgment, and alarm, achieving efficient and reliable online detection of internal pipe defects, and realizing a breakthrough in industry detection technology.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A water-jet coupled ultrasonic online testing system for continuously wound fiberglass pipes, characterized in that, include: Ultrasonic testing module, nozzle, water pressure control system, water circulation filtration device, nozzle position adjustment mechanism, electrical control system, host computer, and production equipment motion mechanism; The ultrasonic detection module is capable of generating a high-voltage negative square wave signal. It has an ultrasonic pulse generation and receiving channel and integrates a pulse generator receiver and a high-speed data acquisition card. It is used to connect to the ultrasonic probe in the nozzle to generate ultrasonic waves. After propagating through the water in the nozzle and interacting with the sample, the returned ultrasonic waves are received by the corresponding ultrasonic probe, converted into electrical signals, and transmitted to the host computer for processing and analysis after AD conversion.

2. The water-jet coupled ultrasonic online testing system for continuously wound fiberglass pipes according to claim 1, characterized in that, The nozzle includes an ultrasonic probe and a nozzle housing, wherein the ultrasonic probe uses a 0.2MHz-0.5MHz frequency and a 30-50mm large-size chip.

3. The water-jet coupled ultrasonic online detection system for continuously wound fiberglass pipes according to claim 1, characterized in that, The water pressure control system provides the nozzle with a stable water flow at a stable pressure and velocity.

4. The water-jet coupled ultrasonic online detection system for continuously wound fiberglass pipes according to claim 1, characterized in that, The water circulation filtration device is used to connect the inlet of the water tank and the outlet of the water storage tank.

5. The water-jet coupled ultrasonic online testing system for continuously wound fiberglass pipes according to claim 1, characterized in that, The nozzle position adjustment mechanism includes a three-axis adjustment mechanism, which can adjust the distance between the probe and the pipe surface and adjust the ultrasonic probe axis to a position perpendicular to the bottom of the pipe.

6. The water-jet coupled ultrasonic online detection system for continuously wound fiberglass pipes according to claim 1, characterized in that, The electrical control system is equipped with a control circuit for the water pressure control system.

7. The water-jet coupled ultrasonic online testing system for continuously wound fiberglass pipes according to claim 1, characterized in that, The host computer is equipped with ultrasonic testing software to control the working status of the entire system.

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