CN113701683A - Wall thickness detection system, method and storage medium - Google Patents

Wall thickness detection system, method and storage medium Download PDF

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Publication number
CN113701683A
CN113701683A CN202110899263.0A CN202110899263A CN113701683A CN 113701683 A CN113701683 A CN 113701683A CN 202110899263 A CN202110899263 A CN 202110899263A CN 113701683 A CN113701683 A CN 113701683A
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China
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ultrasonic
wall thickness
groove
ultrasonic probe
temperature
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CN202110899263.0A
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Chinese (zh)
Inventor
陈子红
张贤
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Zhuhai Winbase International Chemical Tank Terminal Co ltd
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Zhuhai Winbase International Chemical Tank Terminal Co ltd
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Priority to CN202110899263.0A priority Critical patent/CN113701683A/en
Publication of CN113701683A publication Critical patent/CN113701683A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness

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  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The invention relates to the pipeline detection technology and discloses a wall thickness detection system and method and a storage medium. The ultrasonic temperature measuring device comprises 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, wherein a cooling channel is formed by the first groove, the second groove and the surface of a pipeline. The first clamping part and the second clamping part are detachably connected, so that the installation or the disassembly can be facilitated, and the convenience is improved; cooling liquid injected into the cooling channel can be used as a coupling agent and used for cooling the ultrasonic probe; a plurality of ultrasonic probes are distributed on the cooling channel to realize multipoint detection; the temperature measurement module monitors the working environment temperature of the ultrasonic probe, and is matched with the circulating pump, so that the flow velocity of cooling liquid in the cooling channel can be adjusted, the temperature of the cooling liquid can be adjusted, the ultrasonic probe can work within a proper temperature range, and the working stability, reliability and detection precision of the ultrasonic probe are effectively improved.

Description

Wall thickness detection system, method and storage medium
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 generally applied to the fields of petrochemical industry, coal chemical industry, nuclear power and the like, and the pipeline has failure risks such as wall thickness reduction, corrosion cracking, perforation leakage and the like due to being in a high-temperature and high-pressure working environment for a long time. Aiming at the problem of wall thickness reduction caused by local corrosion of a high-temperature pipeline, the main precaution measure at present is to regularly carry out fixed-point thickness measurement on the pipeline by using a high-temperature thickness measuring instrument. Because the number of pipelines working on the equipment site is large, the wall thickness detection generally adopts a proportional sampling mode, the full coverage of dangerous parts is difficult to ensure, the multi-point detection cannot be realized, and the detection efficiency is low; meanwhile, the ultrasonic probe and the high-temperature coupling agent applied to a high-temperature detection scene are high in cost, inconvenient to disassemble and assemble, poor in working condition and high in danger, and need to be in close contact when the wall thickness of the high-temperature pipeline is measured.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the wall thickness detection system provided by the invention is convenient to mount and dismount, can realize multi-point 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 provides a computer readable storage medium.
On the first hand, 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 measurement 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, and a cooling channel is formed between the first groove and the surface of the pipeline, the second groove and 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, and the detection ends of the ultrasonic probes are respectively and tightly abutted against the surface of the pipeline; the temperature measuring module is used for testing the temperature of the cooling liquid in the cooling channel; the ultrasonic detector is respectively electrically connected with the temperature measuring module and the plurality of ultrasonic probes; the cooling water tank is communicated with the cooling channel through a connecting pipe; the circulating pump with ultrasonic detector electric connection, the circulating pump pass through the connecting pipe respectively with coolant tank with cooling channel intercommunication, the circulating pump can control the cooling liquid velocity of flow in the cooling channel.
The wall thickness detection system provided by the embodiment of the invention has at least the following beneficial effects: the first clamping part and the second clamping part are detachably connected, so that the clamping device is convenient to mount or dismount, and the convenience is improved; meanwhile, cooling liquid can be injected into the cooling channel, and the cooling liquid can not only cool the ultrasonic probe, but also be used as a coupling agent of the ultrasonic probe, so that the working stability and reliability of the ultrasonic probe are effectively improved, and the detection precision is improved; meanwhile, a plurality of ultrasonic probes are distributed on the cooling channel, so that multi-point detection can be realized, and the detection efficiency and reliability are improved; the cooperation temperature measurement module not only can monitor ultrasonic transducer's operational environment temperature, can also cooperate the circulating pump, adjusts the velocity of flow of cooling liquid in the cooling channel to can adjust cooling liquid temperature of cooling channel, so that ultrasonic transducer can work under appropriate temperature range, promoted the reliability that thickness detected.
According to some embodiments of the invention, the ultrasonic probe further comprises a plurality of fixing pieces, 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 screwed with the corresponding positioning hole, the outer wall of the fixing member is provided with an external thread, and the positioning hole is provided with an internal thread.
According to some embodiments of the present invention, the sealing device further comprises two first sealing grooves, two second sealing grooves and two sealing rings; the two first sealing grooves are respectively arranged on the side edges of the first grooves, and 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, and when the first clamping part is fixedly connected with the second clamping part, the corresponding first sealing groove and the second sealing groove form an annular sealing groove; the two sealing rings are respectively arranged in the corresponding annular sealing grooves and are tightly abutted with the inner walls of the corresponding annular sealing grooves and the outer walls of the pipelines.
According to some embodiments of the invention, the material of the sealing ring is fluoro-rubber or high temperature resistant silicone.
According to some embodiments of the present invention, the ultrasonic inspection apparatus comprises a control module, a transmission module, a reception amplification module, and a display module; the transmitting module is electrically connected with the ultrasonic probe and the control module respectively; the receiving and amplifying module is electrically connected with the ultrasonic probe and the control module respectively; the display module is electrically connected with the control module.
According to some embodiments of the invention, the ultrasonic probe further comprises a plurality of multi-channel selection switch modules electrically connected between the transmitting module and the plurality of ultrasonic probes.
In a second aspect, a wall thickness detection method according to an embodiment of the present invention is applied to the wall thickness detection system according to the above 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.
The wall thickness detection method provided by the embodiment of the invention has at least the following beneficial effects: the cooperation temperature measurement module carries out real-time supervision to cooling channel cooling liquid, not only can monitor ultrasonic transducer's operational environment temperature, can also cooperate the circulating pump, adjusts the velocity of flow of cooling liquid in the cooling channel to can adjust cooling channel's cooling liquid temperature, so that ultrasonic transducer can work under appropriate temperature range, in order to carry out the thickness detection of pipeline, promoted thickness detection's reliability effectively.
According to some embodiments of the invention, further comprising the steps of: and when the temperature signal reaches or exceeds a set threshold value, adjusting the circulating pump to the maximum working frequency, stopping the ultrasonic probe from working, and executing an alarm mode.
In a third aspect, according to a computer-readable storage medium of an embodiment of the present invention, the storage medium stores one or more programs, the one or more programs are executable by one or more processors, and the program, when executed by the processors, implements the steps of the wall thickness detection method according to an embodiment of the first aspect.
The computer-readable storage medium of the embodiment of the present invention has the same effect as the wall thickness detection method of the embodiment of the second aspect, and details are not 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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of 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 diagrams of the wall thickness detection system shown in FIG. 1;
FIG. 3 is a second schematic view of an application state of the wall thickness detection system shown in FIG. 1;
FIG. 4 is a schematic block diagram of the electrical circuitry of an ultrasonic inspection apparatus of the wall thickness inspection system of an embodiment of the present invention;
FIG. 5 is a schematic diagram of the electrical hardware connections of the transmit module of the ultrasonic test meter shown in FIG. 4;
FIG. 6 is a schematic diagram of the electrical hardware connections of the receive amplifier module of the ultrasonic test meter shown in FIG. 4;
FIG. 7 is a schematic flow chart of wall thickness detection according to an embodiment of the present invention;
fig. 8 is a schematic flow chart of wall thickness detection according to another embodiment of the present invention.
Reference numerals: the ultrasonic probe comprises 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 part 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 part 900 and a pipeline 1000.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. The description of first, second, etc. if any, is for the purpose of distinguishing between technical features and not intended to indicate or imply relative importance or implicitly indicate a number of indicated technical features or implicitly indicate a precedence relationship of indicated technical features.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In a first aspect, referring to fig. 1 and 2, a wall thickness detection system according to an embodiment of the present invention is applied to a pipeline 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), where a first groove 110 is formed in a sidewall 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 shape 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 surfaces cover the outer wall of the pipeline 1000 and are tightly connected with the outer wall of the pipeline 1000, and the first groove 110, the second groove 210 and the surface of the pipeline 1000 form a cooling channel 300; the positioning holes 400 are distributed on the first groove 110 and the second groove 210, and the positioning holes 400 are respectively communicated with the cooling channel 300; the plurality of ultrasonic probes 500 are respectively arranged in the corresponding positioning holes 400, and the detection ends of the ultrasonic probes 500 are respectively and tightly abutted against the surface of the pipeline 1000; the temperature measuring module 600 is used for measuring the temperature of the cooling liquid in the cooling channel 300; the ultrasonic detector 700 is electrically connected with the temperature measurement module 600 and the plurality of ultrasonic probes 500 respectively; a cooling water tank (not shown) is communicated with the cooling passage 300 through a connection pipe; the circulation pump 800 is electrically connected to the ultrasonic testing apparatus 700, the circulation pump 800 is respectively communicated with the cooling water tank (not shown) and the cooling channel 300 through a connecting pipe, and the circulation pump 800 can control the flow rate of the cooling liquid in the cooling channel 300.
When the side wall thickness of the pipeline 1000 is detected, the first clamping part 100 and the second clamping part 200 are arranged on 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 fastener 900 and are respectively tightly abutted to 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 installed on the corresponding positioning hole 400, the detection end of the ultrasonic probe 500 is abutted to the surface of the pipeline 1000, and meanwhile, cooling liquid is injected into the cooling channel 300 through the circulating pump 800, so that the temperature in the area of the pipeline 1000 detected by the ultrasonic probe 500 can be rapidly reduced, and the ultrasonic probe 500 can normally and stably work; cooperation temperature measurement module 600 can real-time detection cooling channel 300's cooling liquid temperature, when the high temperature, can adjust circulating pump 800's operating frequency, improves the velocity of flow of the cooling liquid in cooling channel 300 to realize quick cooling, and then keep the stable operational environment of ultrasonic probe 500.
The temperature measuring module 600 may be a thermocouple and a thermocouple temperature collecting unit, wherein the thermocouple may be a K-type thermocouple, the temperature collecting unit may be a DAM-3 series thermocouple input type data collector produced by honest control electronics, one end of the collecting module is connected to the thermocouple, the other end of the collecting module is connected to 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 temperature measurement module 600 may also employ a thermistor and a thermistor temperature acquisition unit to achieve a temperature of the cooling liquid within the cooling channel 300.
The first clip part 100 or the second clip part 200 may be provided with a temperature measuring hole (not shown) matching the shape of the thermocouple or the thermistor to detect the temperature of the cooling liquid, and the thermocouple or the thermistor may be directly provided on any side wall of the cooling channel 300 to detect the temperature. In this embodiment, the temperature measuring module 600 employs a thermocouple and a thermocouple temperature collecting unit, and a temperature measuring hole (not shown) matching with the thermocouple is disposed on the first clamping portion 100 to detect the cooling liquid in the cooling channel 300.
Wherein, the first clip part 100 and the second clip part 200 can be tightly connected through the fastener 900, and may be fitted over the pipe 1000, the first and second grooves 110 and 210 form a cooling channel 300 with the surface of the pipe 1000, and, in particular, the fastening member 900 in this embodiment is a bolt, a first coupling through-hole provided in the first clip part 100, and a second coupling through-hole provided in the second clip part 200, the number of the bolt, the first coupling through-hole, and the second coupling through-hole being the same, and the first connecting through hole is matched with the second connecting through hole in position, when the first clamping part 100 is matched and connected with the second clamping part 200, the corresponding first connecting through hole and the second connecting through hole are overlapped, the screw rod of the bolt can pass through the corresponding first connecting through hole and the second connecting through hole, the first clip portion 100 and the second clip portion 200 can be fastened by tightening nuts of the bolts. It is conceivable that the fastening member 900 may also be a combination of a screw and a threaded seat, that is, a corresponding screw and a threaded seat are provided at corresponding positions of the first clamping portion 100 and the second clamping portion 200, and as long as the screw is screwed or unscrewed, the fastening and the detachment between the first clamping portion 100 and the second clamping portion 200 can be achieved, which improves the convenience, and in addition, the fastening member 900 may also be a ring-shaped fastening member, which is sleeved on the first clamping portion 100 and the second clamping portion 200, and can also achieve the effect of fastening and connecting.
Wherein, a water inlet (not shown) and a water outlet (not shown) are arranged on the cooling channel 300; 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 a water inlet (not shown) or a water outlet (not shown) through a connecting pipe, and the circulating pump 800 is electrically connected with the ultrasonic detector 700; the cooling water tank (not shown) is provided with a first connecting port and a second connecting port, the first connecting port is communicated with the second connecting port through a connecting pipe, and the second connecting port is communicated with a water outlet (not shown) or a water inlet (not shown).
Wherein, in this embodiment, the water inlet (not shown) or the water outlet (not shown) can be connected with the corresponding connecting pipe through the water joint, and meanwhile, the mode that the water outlet (not shown) is arranged on the first groove 110 and the water inlet (not shown) is arranged on the second groove 210, or the mode that the water outlet (not shown) is arranged on the second groove 210 and the water inlet (not shown) is arranged on the first groove 110 can be adopted, as long as the cooling liquid can circularly flow in the cooling channel 300, and the connection sequence of the water outlet (not shown), the circulating pump 800, the cooling water tank (not shown) and the water inlet (not shown) or the connection sequence of the water inlet (not shown), the circulating pump 800, the cooling water tank (not shown) and the water outlet (not shown) can be connected to realize the circular flow of the cooling liquid, in addition, the cooling liquid can be conventional water, and other cooling liquids capable of realizing temperature reduction can also be adopted.
The cooling water tank (not shown) may be configured to have a conventional heat dissipation water tank structure, and the specific structure belongs to a conventional technical means of a person skilled in the art, and will not be described in detail herein.
By adopting the heat dissipation manner of the cooling channel 300 in this embodiment, the ultrasonic probe 500 may adopt an excitation water immersion type probe, which has lower cost than a high temperature type or electromagnetic type probe, and meanwhile, the present embodiment may adopt a plurality of ultrasonic probes 500 for multi-point detection, and the excitation water immersion type probe may not only successfully fulfill 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 external shape of the ultrasonic probe 500, and the fixing members 410 are detachably coupled to the corresponding positioning holes 400. The fixing member 410 and the ultrasonic probe 500 may be fixedly coupled by glue.
The fixing member 410 may be fixedly connected to the first clip portion 100 or the second clip portion 200 by means of a screw and a screw seat, in some embodiments of the present invention, the fixing member 410 is in threaded connection with the corresponding positioning hole 400, the outer wall of the fixing member 410 is provided with an external thread, and the positioning hole 400 is provided with an internal thread. Can realize dismantling the connection equally through threaded connection's mode, and then can be convenient for realize dismantling or installing ultrasonic probe 500, the inspection personnel of also being convenient for replace or overhaul ultrasonic probe 500, the convenience has been promoted, in this embodiment, locating hole 400 is the echelonment, the size that leans on the outside part is less than the inboard size, the internal thread sets up in the part that leans on the outside, inboard size and shape and ultrasonic probe 500's appearance phase-match, through rotatory mounting 410, then can realize the installation or dismantle, the convenience has been promoted.
Referring to fig. 1, in some embodiments of the present invention, two first seal grooves 120, two second seal grooves 220, and two sealing rings (not shown) are further included; the two first sealing grooves 120 are respectively arranged on the side edges of the first groove 110, and the extending directions of the two first sealing grooves 120 are the same as the first groove 110; the two second sealing grooves 220 are respectively disposed at the sides of the second groove 210, and the extending direction of the two second sealing grooves 220 is the same as that of the first groove 110, when the first clip 100 is fixedly connected to the second clip 200, the corresponding first sealing groove 120 and second sealing groove 220 form an annular sealing groove; two sealing rings (not shown) are respectively arranged in the corresponding annular sealing grooves and tightly abut against the inner walls of the corresponding annular sealing grooves and the outer wall of the pipeline 1000. By adopting the structure of the sealing ring (not shown) and the annular sealing groove, the gap between the first clip 100 or the second clip 200 and the pipeline 1000 can be eliminated, thereby preventing the cooling liquid on the cooling channel 300 from leaking and effectively improving the reliability.
In some embodiments of the present invention, the material of the sealing ring (not shown) is fluoro-rubber or refractory silica gel. The use of high temperature resistant fluorine rubber or high temperature resistant silicone rubber can improve the service life and reliability of the seal ring (not shown) and further reduce the probability of leakage.
Referring to FIG. 4, in some embodiments of the present invention, an ultrasonic testing apparatus 700 includes a control module 710, a transmission module 720, a receive amplification module 730, and a display module 740; the transmitting module 720 is electrically connected with the ultrasonic probe 500 and the control module 710 respectively; the receiving and amplifying module 730 is electrically connected with the ultrasonic probe 500 and the control module 710 respectively; the display module 740 is electrically connected to the control module 710.
The control module 710 mainly adopts a processing chip with the 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 an 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 a circuit hardware structure diagram as shown in fig. 6, an RX port of the receiving and amplifying module 730 is electrically connected to an AD port of an STM32 chip in the control module 710, a J2 interface of the receiving and amplifying module 730 is electrically connected to the ultrasonic probe 500, and the control module 710 calculates a time corresponding to an output ultrasonic high-voltage pulse signal, a time corresponding to an upper surface reflected wave of the first high-temperature pipeline 1000, and a time corresponding to a lower surface reflected wave of the second high-temperature pipeline 1000. Under the condition that the type of the material of the pipeline 1000 to be detected is known, the sound velocity of the ultrasonic wave propagating in 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 upper surface reflected wave and the lower surface reflected wave of the high-temperature pipeline 1000, and the detected thickness data control module 710 can control the display module 740 to display the numerical value, so that a detector can visually observe a specific detection result. The specific checking thickness calculation principle belongs to the technical means conventional to those skilled in the art, and is not described in detail herein.
In some embodiments of the present invention, a plurality of multi-channel selection switch modules electrically connected between the transmission module 720 and the plurality of ultrasonic probes 500 are further included. The multi-channel selection switch module is added, manual control can be performed on the work of the ultrasonic probe 500, wherein the multi-channel selection switch module adopts a conventional button circuit structure, the working state of any ultrasonic probe 500 can be controlled and switched, namely, the working state of any ultrasonic probe 500 is started or closed, the controllability is further improved, and during detection, a detector can control the working state of the ultrasonic probe 500 according to the requirement. If the ultrasonic probes 500 can be started in sequence, the detection can be carried out along the annular direction of the pipeline 1000, and the thickness condition of the pipe wall on the concentric circle can be measured; the trouble of repeated disassembly and assembly 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) needs to be disassembled, the first clamping part 100 and the second clamping part 200 can be kept in the original position, when the next time the ultrasonic probe 500 needs to be overhauled again, only the ultrasonic probe 500 needs to be installed, the circulating pump 800 and the water path between the cooling water tank (not shown in the figure) and the cooling channel 300 need to be connected, the thickness detection can be carried out, 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 the following effects can be achieved, and the first clamping part 100 and the second clamping part 200 are detachably connected, so that the wall thickness detection system is convenient to mount or dismount, and the convenience is improved; meanwhile, the cooling liquid can be injected into the cooling channel 300, so that the temperature of the ultrasonic probe 500 can be reduced, the cooling liquid can also be used as a coupling agent, the working stability and the reliability of the ultrasonic probe 500 are effectively improved, and the detection precision is improved; meanwhile, a plurality of ultrasonic probes 500 are distributed on the cooling channel 300, so that multi-point detection can be realized, and the detection efficiency and reliability are improved; the cooperation temperature measurement module 600 not only can monitor ultrasonic probe 500's operational environment temperature, can also cooperate circulating pump 800, adjusts the velocity of flow of cooling liquid in cooling channel 300 to can adjust cooling channel 300's cooling liquid temperature, so that ultrasonic probe 500 can work under appropriate temperature range, promoted thickness detection's reliability.
In a 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 following steps:
s100, monitoring a temperature signal of cooling liquid in the cooling channel 300 in real time, and adjusting the working frequency of the circulating pump 800 according to the temperature signal; 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 may increase the operating frequency of the circulation pump 800 to increase the flow rate of the cooling liquid in the cooling channel 300, thereby avoiding the temperature of the environment of the ultrasonic probe 500 from being too high, and when the detected temperature is lower than or lower than the maximum temperature threshold, the operating frequency of the circulation pump 800 may be decreased to the conventional operating frequency, the normal frequency is maintained to control the flow rate in the cooling channel 300, and the cooling channel 300 is maintained in the normal heat dissipation state;
step S200, starting the ultrasonic probe 500 according to the temperature signal of the cooling liquid so that the ultrasonic probe 500 sends an ultrasonic signal; the temperature measuring module 600 can detect whether the temperature of the cooling liquid in the cooling channel 300 is within a normal range in real time, if the control module 710 determines that the temperature is within the normal range, the ultrasonic probe 500 can be started to work through the transmitting module 720, and if the temperature is not within the normal temperature, 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 two ultrasonic signal reflections; according to the reflected wave signal received by the ultrasonic probe 500, the wall thickness data of the pipeline 1000 to be measured can be obtained smoothly by matching with the technical means of the conventional checking thickness calculation principle of the technicians in the field.
By detecting the temperature of the cooling liquid in the cooling channel 300 in real time, the temperature of the working environment of the ultrasonic probe 500 can be monitored 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 temperature of the working environment of the ultrasonic probe 500 is kept in a proper range, and the detection precision can be effectively improved by starting the ultrasonic probe 500 for detection.
The wall thickness detection method provided by the embodiment of the invention has at least the following beneficial effects: cooperate temperature measurement module 600, carry out real-time supervision to cooling channel 300 cooling liquid, not only can monitor ultrasonic probe 500's operational environment temperature, can also cooperate circulating pump 800, adjust the velocity of flow of cooling liquid in cooling channel 300, thereby can adjust the cooling liquid temperature of cooling channel 300, so that ultrasonic probe 500 can work under appropriate temperature range, in order to carry out pipeline 1000's thickness detection, the reliability that thickness detected has been promoted effectively.
In some embodiments of the present invention, referring to fig. 8, further comprising the steps of:
step S400, when the temperature signal reaches or exceeds the set maximum temperature threshold, adjusting the circulating pump 800 to the maximum working frequency, stopping the ultrasonic probe 500 from working, and executing an alarm mode; the specific alarm mode can be that reminding is carried out through sound alarm mode or light scintillation mode, let the testing personnel can demolish ultrasonic probe 500 as early as possible to avoid ultrasonic probe 500 to appear the condition of damaging.
It should be noted that, when any one of steps S100, S200, and S300 is executed, step S400 may be always executed.
In a third aspect, according to a computer-readable storage medium storing one or more programs, the one or more programs being executable by one or more processors and the programs, when executed by the processors, implementing the steps of the wall thickness detection method according to 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 first embodiment.
The computer-readable storage medium of the embodiment of the present invention has the same effect as the wall thickness detection method of the embodiment of the second aspect, and details are not repeated here.
One 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 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 is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, R wall thickness detection system M, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (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. In addition, communication media typically embodies 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 includes any information delivery media as known to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A wall thickness detection system for use on a pipe, comprising:
the side wall of the first clamping part is provided with a first groove;
the side wall of the second clamping part is provided with a second groove, the second clamping part is detachably connected with the first clamping part, and the first groove, the second groove and the surface of the pipeline form a cooling channel;
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, and the detection ends of the ultrasonic probes are respectively and tightly abutted with the surface of the pipeline;
the temperature measuring module is used for testing the temperature of the cooling liquid in the cooling channel;
the ultrasonic detector is respectively and electrically connected with the temperature measuring module and the plurality of ultrasonic probes;
the cooling water tank is communicated with the cooling channel through a connecting pipe;
the circulating pump, with ultrasonic detector electric connection, the circulating pump pass through the connecting pipe respectively with coolant tank with cooling channel intercommunication, the circulating pump can control the cooling liquid velocity of flow in the cooling channel.
2. The wall thickness detection system according to claim 1, wherein: the ultrasonic probe fixing device is characterized by further comprising a plurality of fixing pieces, wherein the fixing pieces are provided with connecting holes matched with the ultrasonic probe in shape, and the fixing pieces are detachably connected with the corresponding positioning holes.
3. The wall thickness detection system according to claim 2, wherein: the fixing piece is in threaded connection with the corresponding positioning hole, the outer wall of the fixing piece is provided with external threads, and the positioning hole is provided with internal threads.
4. The wall thickness detection system of claim 1, further comprising:
the two first sealing grooves are respectively arranged on the side edges of the first grooves, and 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, and when the first clamping part is fixedly connected with the second clamping part, the corresponding first sealing groove and the second sealing groove form an annular sealing groove;
and the two sealing rings are respectively arranged in the corresponding annular sealing grooves and are tightly abutted with the inner walls of the corresponding annular sealing grooves and the outer walls of the pipelines.
5. The wall thickness detection system according to claim 4, wherein: the sealing ring is made of fluororubber or high-temperature-resistant silica gel.
6. The wall thickness detection system of claim 1, wherein the ultrasonic detector comprises:
the control module is electrically connected with the circulating pump;
the transmitting module is electrically connected with the ultrasonic probe and the control module respectively;
the receiving and amplifying module is electrically connected with the ultrasonic probe and the control module respectively;
and the display module is electrically connected with the control module.
7. The wall thickness detection system according to claim 6, further comprising a plurality of multi-channel selection switch modules electrically connected between said transmitter module and a plurality of ultrasonic probes.
8. A wall thickness detection method applied to the wall thickness detection system according to any one of claims 1 to 7, comprising the steps of:
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.
9. The wall thickness detection method according to claim 8, further comprising the steps of:
and when the temperature signal reaches or exceeds a set threshold value, adjusting the circulating pump to the maximum working frequency, stopping the ultrasonic probe from working, and executing an alarm mode.
10. A computer-readable storage medium, characterized in that the storage medium stores one or more programs executable by one or more processors to implement the wall thickness detection method according to any one of claims 8 or 9.
CN202110899263.0A 2021-08-06 2021-08-06 Wall thickness detection system, method and storage medium Pending CN113701683A (en)

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CN112945156A (en) * 2021-04-22 2021-06-11 北京奥蓝仕技术有限公司 Testing device and system based on ultrasonic online wall thickness monitoring
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GB1289483A (en) * 1969-12-12 1972-09-20
JP2002148005A (en) * 2000-11-13 2002-05-22 Ebara Corp Liquid-cooled displacement gage in high-temperature liquid
JP2005207795A (en) * 2004-01-21 2005-08-04 Ihi Aerospace Co Ltd Ultrasonic wall thickness measuring instrument
CN1924518A (en) * 2006-09-21 2007-03-07 上海大学 Multiple caliber conduit online real-time ultrasonic thick measuring device
CN101050953A (en) * 2007-05-23 2007-10-10 河北工业大学 Detecting device and method for pipeline wall thickness
KR20090042500A (en) * 2007-10-26 2009-04-30 조명기 Ultrasonic highi-temp tube inspection and thickness measuring apparatus
CN102980538A (en) * 2012-11-07 2013-03-20 浙江理工大学 High temperature pipeline wall thickness on-line monitoring device
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CN215909827U (en) * 2021-08-06 2022-02-25 珠海恒基达鑫国际化工仓储股份有限公司 Wall thickness detection fixing assembly and wall thickness detection device

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