CN113701683B - Wall thickness detection system, method and storage medium - Google Patents
Wall thickness detection system, method and storage medium Download PDFInfo
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- CN113701683B CN113701683B CN202110899263.0A CN202110899263A CN113701683B CN 113701683 B CN113701683 B CN 113701683B CN 202110899263 A CN202110899263 A CN 202110899263A CN 113701683 B CN113701683 B CN 113701683B
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
本发明涉及管道检测技术，公开了一种壁厚检测系统、方法及存储介质。本发明包括设有第一凹槽的第一夹部、设有第二凹槽的第二夹部、定位孔、超声波探头、测温模块、超声波检测仪、循环泵及冷却水箱，第一、第二凹槽与管道的表面形成冷却通道。本发明利用第一、第二夹部的可拆卸连接可便于进行安装或拆卸，提升了便利性；冷却通道注入冷却液体可作为耦合剂并为超声波探头进行降温；在冷却通道上分布多个超声波探头以实现多点检测；测温模块监测超声波探头的工作环境温度，配合循环泵，可调节冷却通道内冷却液体的流速，以对冷却液体温度进行调节，以使超声波探头工作在适当的温度范围下，有效地提升了超声波探头的工作稳定性、可靠性以及检测精度。
The present invention relates to pipeline detection technology, and discloses a wall thickness detection system, method and storage medium. The present invention includes a first clamping part provided with a first groove, a second clamping part provided with a second groove, a positioning hole, an ultrasonic probe, a temperature measuring module, an ultrasonic detector, a circulating pump and a cooling water tank, and the first and second grooves form a cooling channel with the surface of the pipeline. The present invention utilizes the detachable connection of the first and second clamping parts to facilitate installation or disassembly, thereby improving convenience; the cooling liquid injected into the cooling channel can be used as a coupling agent and cool the ultrasonic probe; multiple ultrasonic probes are distributed on the cooling channel to achieve multi-point detection; the temperature measuring module monitors the working environment temperature of the ultrasonic probe, and cooperates with the circulating pump to adjust the flow rate of the cooling liquid in the cooling channel to adjust the temperature of the cooling liquid, so that the ultrasonic probe works within an appropriate temperature range, effectively improving the working stability, reliability and detection accuracy of the ultrasonic probe.
Description
Technical Field
The invention relates to a pipeline detection technology, in particular to a wall thickness detection system, a wall thickness detection method and a storage medium.
Background
The high-temperature pipeline is widely applied to the fields of petrochemical industry, coal chemical industry, nuclear power and the like, and has the failure risks of wall thickness reduction, corrosion cracking, perforation leakage and the like due to long-term high-temperature and high-pressure working environment. Aiming at the problem of wall thickness reduction caused by local corrosion of a high-temperature pipeline, the main preventive measure at present is to regularly measure the thickness of the pipeline at fixed points by using a high-temperature thickness meter. The wall thickness detection is generally carried out in a proportional sampling mode, so that full coverage of dangerous parts is difficult to ensure, multipoint detection cannot be realized, the detection efficiency is low, meanwhile, the ultrasonic probe applied to a high-temperature detection scene and the high-temperature couplant are high in cost and inconvenient to assemble and disassemble, short-distance contact is needed when the wall thickness of the high-temperature pipeline is measured, the working condition is poor, and the risk is high.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the wall thickness detection system is convenient to install and detach, can also realize multipoint detection, and improves the detection efficiency and reliability.
The invention also provides a wall thickness detection method applied to the wall thickness detection system.
The invention also proposes a computer readable storage medium.
According to the embodiment of the invention, the wall thickness detection system is applied to a pipeline and comprises a first clamping part, a second clamping part, a plurality of positioning holes, a plurality of ultrasonic probes, a temperature measuring module, an ultrasonic detector, a circulating pump and a cooling water tank, wherein a first groove is formed in the side wall of the first clamping part, a second groove is formed in the side wall of the second clamping part, the second clamping part is detachably connected with the first clamping part, the first groove and the second groove form a cooling channel with the surface of the pipeline, the positioning holes are distributed on the first groove and the second groove and are respectively communicated with the cooling channel, the ultrasonic probes are respectively arranged in the corresponding positioning holes, the detection ends of the ultrasonic probes are respectively closely abutted to the surface of the pipeline, the temperature measuring module is used for testing the temperature of cooling liquid in the cooling channel, the ultrasonic detector is respectively and electrically connected with the temperature measuring module and the ultrasonic probes, the cooling water tank is respectively and electrically connected with the cooling pump through the cooling channel, the cooling water tank is respectively communicated with the cooling pump through the circulating pump and the cooling channel, and the flow rate of the cooling pump can be respectively controlled.
The wall thickness detection system has the advantages that the detachable connection of the first clamping part and the second clamping part is utilized, the installation or the detachment of the wall thickness detection system is convenient, the convenience is improved, meanwhile, cooling liquid can be injected into the cooling channel, the cooling liquid can be used for cooling an ultrasonic probe and can also be used as a coupling agent of the ultrasonic probe, the working stability and the reliability of the ultrasonic probe are effectively improved, the detection precision is improved, meanwhile, a plurality of ultrasonic probes are distributed on the cooling channel, the multipoint detection can be realized, the detection efficiency and the reliability are improved, the temperature measurement module is matched, the working environment temperature of the ultrasonic probe can be monitored, the flow rate of the cooling liquid in the cooling channel can be regulated, the cooling liquid temperature of the cooling channel can be regulated, the ultrasonic probe can work in a proper temperature range, and the thickness detection reliability is improved.
According to some embodiments of the invention, the ultrasonic probe further comprises a plurality of fixing pieces, wherein the fixing pieces are provided with connecting holes matched with the shape of the ultrasonic probe, and the fixing pieces are detachably connected with the corresponding positioning holes.
According to some embodiments of the invention, the fixing member is in threaded connection with the corresponding positioning hole, the outer wall of the fixing member is provided with external threads, and the positioning hole is provided with internal threads.
According to some embodiments of the invention, the sealing device further comprises two first sealing grooves, two second sealing grooves and two sealing rings, wherein the two first sealing grooves are respectively arranged on the side edges of the first grooves, the extending directions of the two first sealing grooves are the same as those of the first grooves, the two second sealing grooves are respectively arranged on the side edges of the second grooves, the extending directions of the two second sealing grooves are the same as those of the first grooves, when the first clamping parts are fixedly connected with the second clamping parts, the corresponding first sealing grooves and the corresponding second sealing grooves form annular sealing grooves, and the two sealing rings are respectively arranged in the corresponding annular sealing grooves and tightly abutted against the inner walls of the corresponding annular sealing grooves and the outer walls of the pipelines.
According to some embodiments of the invention, the sealing ring is made of fluorine rubber or high temperature resistant silica gel.
According to some embodiments of the invention, the ultrasonic detector comprises a control module, a transmitting module, a receiving and amplifying module and a display module, wherein the transmitting module is respectively and electrically connected with the ultrasonic probe and the control module, the receiving and amplifying module is respectively and electrically connected with the ultrasonic probe and the control module, and the display module is electrically connected with the control module.
According to some embodiments of the invention, the ultrasound probe further comprises a plurality of multi-channel selector switch modules electrically connected between the transmitting module and the plurality of ultrasound probes.
In a second aspect, a wall thickness detection method according to an embodiment of the present invention is applied to a wall thickness detection system according to the embodiment of the first aspect of the present invention, and includes the following steps:
Monitoring a temperature signal of cooling liquid in the cooling channel in real time, and adjusting the working frequency of the circulating pump according to the temperature signal;
starting the ultrasonic probe according to the temperature signal of the cooling liquid so as to enable the ultrasonic probe to send an ultrasonic signal;
And the ultrasonic detector determines the thickness of the pipeline according to the time difference after the ultrasonic signals are reflected twice.
According to the wall thickness detection method, the temperature measurement module is matched to monitor the cooling liquid of the cooling channel in real time, the working environment temperature of the ultrasonic probe can be monitored, the flow rate of the cooling liquid in the cooling channel can be adjusted by matching with the circulating pump, and therefore the temperature of the cooling liquid of the cooling channel can be adjusted, the ultrasonic probe can work in a proper temperature range to detect the thickness of a pipeline, and the reliability of the thickness detection is effectively improved.
According to some embodiments of the invention, the method further comprises the step of adjusting the circulation pump to a maximum operating frequency and stopping the operation of the ultrasonic probe when the temperature signal reaches or exceeds a set threshold value, and executing an alarm mode.
In a third aspect, a computer readable storage medium according to an embodiment of the present invention stores one or more programs, one or more of which are executable by one or more processors, which when executed by the processors implement the steps of the wall thickness detection method according to the embodiment of the first aspect.
The computer readable storage medium of the embodiment of the present invention has the same effects as the wall thickness detection method of the embodiment of the second aspect, and a detailed description thereof will not be repeated here.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a wall thickness detection system according to an embodiment of the present invention;
FIG. 2 is one of the application state schematics of the wall thickness detection system shown in FIG. 1;
FIG. 3 is a second schematic view of the wall thickness detection system shown in FIG. 1;
FIG. 4 is a schematic circuit schematic diagram of an ultrasonic detector of a wall thickness detection system according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the circuit hardware connections of the transmit module of the ultrasonic detector shown in FIG. 4;
FIG. 6 is a schematic diagram of the circuit hardware connections of the receive amplification module of the ultrasonic detector shown in FIG. 4;
FIG. 7 is a flow chart of wall thickness detection according to an embodiment of the present invention;
FIG. 8 is a flow chart of wall thickness detection according to another embodiment of the present invention.
Reference numerals are a first clamping part 100, a first groove 110, a first sealing groove 120, a second clamping part 200, a second groove 210, a second sealing groove 220, a cooling channel 300, a positioning hole 400, a fixing piece 410, an ultrasonic probe 500, a temperature measuring module 600, an ultrasonic detector 700, a control module 710, a transmitting module 720, a receiving and amplifying module 730, a display module 740, a circulating pump 800, a fastening piece 900, and a pipeline 1000.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of first, second, etc. if provided for the purpose of distinguishing between technical features only, should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 and 2, a wall thickness detection system according to an embodiment of the present invention is applied to a pipe 1000, and includes a first clamping portion 100, a second clamping portion 200, a plurality of positioning holes 400, a plurality of ultrasonic probes 500, a temperature measurement module 600, an ultrasonic detector 700, a circulation pump 800, and a cooling water tank (not shown), wherein a first groove 110 is formed on a side wall of the first clamping portion 100; the side wall of the second clamping part 200 is provided with a second groove 210, the second clamping part 200 is detachably connected with the first clamping part 100, the first clamping part 100 and the second clamping part 200 are respectively provided with a semi-arc surface matched with the appearance of the pipeline 1000, the first groove 110 and the second groove 210 are respectively arranged on the corresponding semi-arc surfaces, when the first clamping part 100 and the second clamping part 200 are tightly connected, the semi-arc surface covers the outer wall of the pipeline 1000 and is tightly connected with the outer wall of the pipeline 1000, the first groove 110 and the second groove 210 form a cooling channel 300 with the surface of the pipeline 1000, a plurality of positioning holes 400 are distributed on the first groove 110 and the second groove 210, the plurality of positioning holes 400 are respectively communicated with the cooling channel 300, a plurality of ultrasonic probes 500 are respectively arranged in the corresponding positioning holes 400, the detection ends of the ultrasonic probes 500 are respectively tightly abutted with the surface of the pipeline 1000, a temperature measuring module 600 is used for measuring the temperature of cooling liquid in the cooling channel 300, an ultrasonic detector 700 is respectively electrically connected with the temperature measuring module 600 and the ultrasonic probes 500, a cooling water tank (not shown in the figure) is electrically connected with the cooling water tank 300 through a connecting pipe 300 and a circulating pump 800 (not shown in the figure) through the cooling channel 300, the plurality of positioning holes 400 are respectively communicated with the circulating pump 800 through the circulating pump 800, the circulation pump 800 can control the flow rate of the cooling liquid in the cooling passage 300.
When the thickness of the side wall of the pipeline 1000 is detected, the first clamping part 100 and the second clamping part 200 are arranged at the periphery of the pipeline 1000 to be detected, the first clamping part 100 and the second clamping part 200 are tightly connected through the fastening piece 900 and are respectively tightly abutted against the surface of the pipeline 1000, so that the first groove 110 and the second groove 210 form a cooling channel 300 with the outer surface of the pipeline 1000, then the corresponding ultrasonic probe 500 is arranged on the corresponding positioning hole 400, the detection end of the ultrasonic probe 500 is abutted against the surface of the pipeline 1000, meanwhile, cooling liquid is injected into the cooling channel 300 through the circulating pump 800, the temperature in the area of the pipeline 1000 detected by the ultrasonic probe 500 can be quickly reduced, so that the ultrasonic probe 500 can work normally and stably, the temperature of the cooling liquid of the cooling channel 300 can be detected in real time by matching with the temperature measuring module 600, when the temperature is too high, the working frequency of the circulating pump 800 can be regulated, the flow rate of the cooling liquid in the cooling channel 300 is increased, the rapid cooling is realized, and the stable working environment of the ultrasonic probe 500 is further maintained.
The temperature measuring module 600 may adopt a thermocouple and a thermocouple temperature collecting unit, wherein the thermocouple may adopt a K-type thermocouple, the temperature collecting unit may adopt a DAM-3 series thermocouple input data collector produced by honest and clean electronics, one end of the collecting module is connected with the thermocouple, the other end is connected with the control module 710 of the ultrasonic detector 700, and the control module 710 of the ultrasonic detector 700 collects the temperature of the cooling liquid measured by the thermocouple. It is contemplated that the thermometry module 600 may also employ a thermistor and a thermistor temperature acquisition unit to achieve a cooling liquid temperature within the cooling channel 300.
Wherein, a temperature measuring hole (not shown in the figure) matched with the shape of the thermocouple or the thermistor can be arranged on the first clamping part 100 or the second clamping part 200, so that the temperature of the cooling liquid can be detected, meanwhile, the thermocouple or the thermistor can be directly arranged on any side wall of the cooling channel 300, and the temperature can be detected. In this embodiment, the temperature measuring module 600 adopts a thermocouple and a thermocouple temperature acquisition unit, and a temperature measuring hole (not shown) matching with the thermocouple is provided on the first clamping portion 100 to realize detection of the cooling liquid in the cooling channel 300.
The first clamping portion 100 and the second clamping portion 200 can be fastened and connected by the fastener 900, and then can be sleeved on the pipe 1000, the first groove 110 and the second groove 210 form a cooling channel 300 with the surface of the pipe 1000, specifically, the fastener 900 in this embodiment is a bolt, a first connecting through hole provided in the first clamping portion 100, and a second connecting through hole provided in the second clamping portion 200, the number of the bolt, the first connecting through hole and the second connecting through hole are the same, and the positions of the first connecting through hole and the second connecting through hole are matched, when the first clamping portion 100 and the second clamping portion 200 are matched and connected, the corresponding first connecting through hole and the corresponding second connecting through hole are overlapped, and after the screw rod of the bolt can pass through the corresponding first connecting through hole and the second connecting through hole, the nut of the bolt is screwed, so that the fastening connection of the first clamping portion 100 and the second clamping portion 200 can be realized. It is conceivable that the fastener 900 may be a combination of a screw and a screw seat, that is, the corresponding screw and screw seat are disposed at the corresponding positions of the first clip part 100 and the second clip part 200, so that the fastening and the dismounting between the first clip part 100 and the second clip part 200 can be realized as long as the screw is screwed or unscrewed, the convenience is improved, in addition, the fastener 900 may also be a ring-shaped fastener, and the fastening connection effect can be realized by sleeving the fastener on the first clip part 100 and the second clip part 200.
The cooling channel 300 is provided with a water inlet (not shown) and a water outlet (not shown), specifically, the water inlet (not shown) may be disposed on the first groove 110 or the second groove 210 and is communicated with the cooling channel 300, the water outlet (not shown) may be disposed on the first groove 110 or the second groove 210 and is communicated with the cooling channel 300, the circulating pump 800 has a first interface and a second interface, the first interface is communicated with the water inlet (not shown) or the water outlet (not shown) through a connecting pipe, the circulating pump 800 is electrically connected with the ultrasonic detector 700, the cooling water tank (not shown) has a first connecting interface and a second connecting interface, the first connecting interface is communicated with the second interface through a connecting pipe, and the second connecting interface is communicated with the water outlet (not shown) or the water inlet (not shown).
In this embodiment, the water inlet (not shown) or the water outlet (not shown) may be connected through the water connector and the corresponding connecting pipe, and meanwhile, a manner that the water outlet (not shown) is disposed on the first groove 110, the water inlet (not shown) is disposed on the second groove 210, or a manner that the water outlet (not shown) is disposed on the second groove 210, the water inlet (not shown) is disposed on the first groove 110 may be adopted, so long as the cooling liquid can circulate in the cooling channel 300, and the connection sequence of the water outlet (not shown), the circulation pump 800, the cooling water tank (not shown), the water inlet (not shown) or the connection sequence of the water inlet (not shown), the circulation pump 800, the cooling water tank (not shown), and the water outlet (not shown) may be adopted, or other cooling liquids capable of realizing cooling may be adopted.
The cooling water tank (not shown) may have a conventional heat dissipating water tank structure, and the specific structure belongs to a technical means conventional to those skilled in the art, and not described in detail herein, and the cooling water tank (not shown) may be used to enable the cooling liquid with high temperature to be absorbed after entering the cooling water tank (not shown), so that the cooling liquid with low temperature is output from the cooling water tank (not shown) to realize circulating heat dissipation.
By adopting the heat dissipation mode of the cooling channel 300 in this embodiment, the ultrasonic probe 500 can adopt an excitation water immersion type probe, the excitation water immersion type probe has lower cost than a high-temperature type or electromagnetic type probe, meanwhile, the embodiment can adopt a plurality of ultrasonic probe 500 detection modes to perform multipoint detection, and the excitation water immersion type probe can not only smoothly complete the requirement of thickness detection, but also further effectively reduce the overall cost.
Referring to fig. 3, in some embodiments of the present invention, a plurality of fixing members 410 are further included, the fixing members 410 are provided with coupling holes matching the outer shape of the ultrasonic probe 500, and the fixing members 410 are detachably coupled with the corresponding positioning holes 400. The fixing member 410 and the ultrasonic probe 500 may be fixedly connected by glue.
The fixing member 410 may be fixedly connected to the first clip part 100 or the second clip part 200 by means of a screw and a screw seat, and in some embodiments of the present invention, the fixing member 410 is screwed to the corresponding positioning hole 400, the outer wall of the fixing member 410 is provided with external threads, and the positioning hole 400 is provided with internal threads. Can realize dismantling equally and connect through threaded connection's mode, and then can be convenient for realize dismantling or installation to ultrasonic probe 500, also be convenient for the inspector to replace or overhaul ultrasonic probe 500, promoted the convenience, in this embodiment, locating hole 400 is echelonment, lean on outside part's size to be less than inboard size, the internal thread setting is in the part of leaning on the outside, inboard size and shape and ultrasonic probe 500's appearance assorted, through rotatory mounting 410, then can realize installation or dismantlement, the convenience has been promoted.
Referring to fig. 1, in some embodiments of the present invention, the sealing device further includes two first sealing grooves 120, two second sealing grooves 220 and two sealing rings (not shown in the drawings), wherein the two first sealing grooves 120 are respectively disposed at sides of the first groove 110, and the extending directions of the two first sealing grooves 120 are the same as those of the first groove 110, the two second sealing grooves 220 are respectively disposed at sides of the second groove 210, and the extending directions of the two second sealing grooves 220 are the same as those of the first groove 110, when the first clamping portion 100 and the second clamping portion 200 are fixedly connected, the corresponding first sealing grooves 120 and the second sealing grooves 220 form annular sealing grooves, and the two sealing rings (not shown in the drawings) are respectively disposed in the corresponding annular sealing grooves and tightly abut against inner walls of the corresponding annular sealing grooves and outer walls of the pipeline 1000. By adopting the structure of the sealing ring (not shown) and the annular sealing groove, the gap between the first clamping part 100 or the second clamping part 200 and the pipeline 1000 can be eliminated, thereby preventing the leakage of the cooling liquid on the cooling channel 300 and effectively improving the reliability.
In some embodiments of the present invention, the sealing ring (not shown) is made of fluorine rubber or high temperature resistant silica gel. The use of high temperature resistant fluorine rubber or high temperature resistant silica gel can improve the service life and reliability of the seal ring (not shown) and further reduce the occurrence of leakage.
Referring to fig. 4, in some embodiments of the present invention, the ultrasonic detector 700 includes a control module 710, a transmitting module 720, a receiving and amplifying module 730, and a display module 740, wherein the transmitting module 720 is electrically connected with the ultrasonic probe 500 and the control module 710, the receiving and amplifying module 730 is electrically connected with the ultrasonic probe 500 and the control module 710, and the display module 740 is electrically connected with the control module 710.
The control module 710 mainly adopts a processing chip with a model number of STM32, the transmitting module 720 adopts a circuit hardware structure diagram shown in fig. 5, the transmitting module 720 is electrically connected with a GPIO port of the STM32 processing chip of the control module 710 through a PE0 port, the transmitting module 720 is electrically connected with the ultrasonic probe 500 through a J1 port, and the control module 710 controls the transmitting module 720 to output an ultrasonic high-voltage pulse signal through the port so as to control the working state of the ultrasonic probe 500.
The receiving and amplifying module 730 adopts the circuit hardware structure diagram shown in fig. 6, the RX port of the receiving and amplifying module 730 is electrically connected with the AD port of the STM32 chip in the control module 710, the J2 interface of the receiving and amplifying module 730 is electrically connected with the ultrasonic probe 500, and the control module 710 calculates the corresponding time of outputting the ultrasonic high-voltage pulse signal, the corresponding time of the reflected wave on the upper surface of the first high-temperature pipeline 1000, and the corresponding time of the reflected wave on the lower surface of the second high-temperature pipeline 1000. In the case that the material type of the detected pipeline 1000 is known, the sound velocity of the ultrasonic wave propagating inside the material is known, the thickness of the material can be calculated by multiplying the sound velocity of the material by the time difference corresponding to the reflected wave on the upper surface and the reflected wave on the lower surface of the high-temperature pipeline 1000, and the detected thickness data control module 710 can control the display module 740 to perform numerical display, so that a detection person can intuitively observe a specific detection result. The specific checking thickness calculation principle belongs to the technical means conventional to those skilled in the art, and will not be described in detail herein.
In some embodiments of the present invention, a plurality of multi-channel selector switch modules electrically connected between the transmitting module 720 and the plurality of ultrasonic probes 500 are further included. The operation of the ultrasonic probe 500 can be manually controlled by adding the multi-channel selection switch module, wherein the multi-channel selection switch module adopts a conventional button circuit structure, so that the operation state of any one ultrasonic probe 500 can be controlled and switched, namely, the operation state of any one ultrasonic probe 500 is started or closed, the controllability is further improved, and during detection, a detector can control the operation state of the ultrasonic probe 500 according to requirements. If the ultrasonic probe 500 can be started in turn, then the detection can be performed along the annular direction of the pipeline 1000, the thickness condition of the pipe wall on the concentric circle can be measured, the trouble of multiple disassembly and installation is avoided, and the detection efficiency can be effectively improved. Meanwhile, after the test is completed, only the connection of the ultrasonic probe 500, the circulating pump 800 and the cooling water tank (not shown in the figure) is required to be disassembled, the first clamping part 100 and the second clamping part 200 can be kept in place, and when the next maintenance is required, only the ultrasonic probe 500, the water path between the circulating pump 800 and the cooling water tank (not shown in the figure) and the cooling channel 300 is required to be installed, thickness detection can be performed, the installation process is simplified, and the detection efficiency is improved.
According to the wall thickness detection system provided by the embodiment of the invention, at least some effects can be achieved by means of the detachable connection of the first clamping part 100 and the second clamping part 200, the installation or the detachment of the wall thickness detection system is facilitated, convenience is improved, meanwhile, cooling liquid can be injected into the cooling channel 300 to cool the ultrasonic probe 500, the cooling liquid can be used as a coupling agent, the working stability and the reliability of the ultrasonic probe 500 are effectively improved, the detection precision is improved, meanwhile, a plurality of ultrasonic probes 500 are distributed on the cooling channel 300, the multipoint detection can be achieved, the detection efficiency and the detection reliability are improved, the temperature measurement module 600 is matched, the working environment temperature of the ultrasonic probes 500 can be monitored, the flow rate of the cooling liquid in the cooling channel 300 can be adjusted, the cooling liquid temperature of the cooling channel 300 can be adjusted, the ultrasonic probe 500 can work in a proper temperature range, and the thickness detection reliability is improved.
Second aspect referring to fig. 7, a wall thickness detection method according to an embodiment of the present invention is applied to a wall thickness detection system according to the above first aspect of the present invention, and includes the steps of:
According to the set maximum temperature threshold, when the detected temperature is equal to or higher than the maximum temperature threshold, the control module 710 of the ultrasonic detector 700 can be used for increasing the working frequency of the circulating pump 800 so as to accelerate the flow rate of the cooling liquid in the cooling channel 300, avoid the overhigh environmental temperature of the ultrasonic probe 500, and when the detected temperature is lower than or equal to the maximum temperature threshold, the working frequency of the circulating pump 800 can be reduced to the conventional working frequency, the normal frequency is maintained so as to control the flow rate in the cooling channel 300, and the cooling channel 300 is kept in the normal heat dissipation state;
step S200, according to the temperature signal of the cooling liquid, the ultrasonic probe 500 is started to enable the ultrasonic probe 500 to transmit an ultrasonic signal, whether the temperature of the cooling liquid in the cooling channel 300 is within a normal range can be detected in real time through the temperature measuring module 600, if the temperature of the cooling liquid is within the normal range, the ultrasonic probe 500 can be started to work through the transmitting module 720 if the temperature of the cooling liquid is judged to be within the normal range, and if the temperature of the cooling liquid is not within the normal range, the detection precision is easily reduced or the ultrasonic probe 500 is easily damaged;
Step S300, the ultrasonic detector 700 determines the thickness of the pipeline 1000 according to the time difference after the two ultrasonic signals are reflected, and the wall thickness data of the pipeline 1000 to be detected can be successfully obtained according to the reflected wave signals received by the ultrasonic probe 500 and by matching with the technical means of conventional checking thickness calculation principles of the person skilled in the art.
The working environment temperature of the ultrasonic probe 500 can be monitored in real time by detecting the temperature condition of the cooling liquid in the cooling channel 300 in real time, and the flow rate of the cooling liquid in the cooling channel 300 can be controlled according to the real-time temperature state, so that the working environment temperature of the ultrasonic probe 500 is ensured to be kept in a proper range, and the detection accuracy can be effectively improved by starting the ultrasonic probe 500 for detection.
The wall thickness detection method according to the embodiment of the invention has the advantages that the cooling liquid of the cooling channel 300 is monitored in real time by matching with the temperature measurement module 600, the working environment temperature of the ultrasonic probe 500 can be monitored, the flow rate of the cooling liquid in the cooling channel 300 can be regulated by matching with the circulating pump 800, and therefore the temperature of the cooling liquid of the cooling channel 300 can be regulated, so that the ultrasonic probe 500 can work in a proper temperature range to detect the thickness of the pipeline 1000, and the reliability of the thickness detection is effectively improved.
In some embodiments of the present invention, referring to fig. 8, further comprising the steps of:
In step S400, when the temperature signal reaches or exceeds the set maximum temperature threshold, the circulation pump 800 is adjusted to the maximum working frequency and the operation of the ultrasonic probe 500 is stopped, and an alarm mode is executed at the same time, wherein the specific alarm mode can be a reminding mode by means of sound alarm or light flashing, so that a inspector can remove the ultrasonic probe 500 as soon as possible, and damage to the ultrasonic probe 500 is avoided.
It is noted that, when any of step S100, step S200, and step S300 is performed, step S400 may be performed all the time.
In a third aspect, according to an embodiment of the present invention, a computer-readable storage medium stores one or more programs, which are executable by one or more processors, and when executed by the processors, implement the steps of the wall thickness detection method as in the first aspect. The processor mentioned in this embodiment is a processing chip of the control module 710 of the ultrasonic detector 700 mentioned in the embodiment of the first aspect.
The computer readable storage medium of the embodiment of the present invention has the same effects as the wall thickness detection method of the embodiment of the second aspect, and a detailed description thereof will not be repeated here.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, an R-wall thickness detection system M, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disk (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically include computer readable instructions, data structures, program modules, or other data in a modulated data signal, such as a carrier wave or other transport mechanism, and may include any information delivery media.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
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| CN114993218A (en) * | 2022-05-23 | 2022-09-02 | 苏州热工研究院有限公司 | Pipeline thickness detection device and detection method |
| CN115900605B (en) * | 2022-09-22 | 2025-06-10 | 黄石新兴管业有限公司 | Device and method for detecting wall thickness of red blood tube |
| CN119395325A (en) * | 2024-12-31 | 2025-02-07 | 杭州泽天春来科技股份有限公司 | Flue gas ultrasonic flow velocity measurement method and system, and computer readable storage medium |
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