CN213580790U - Ultrasonic online monitoring host and system thereof - Google Patents

Abstract

The utility model discloses an supersound on-line monitoring host computer for measuring pipeline state data, including probe, control part to and set up the flame proof portion between probe and control part, the probe includes first shell and sets up the ultrasonic wave transducer in first shell, and flame proof portion includes the second shell and fills the explosion-proof material in the second shell, and the control part includes the third shell, and sets up the control circuit in the third shell, and the ultrasonic wave transducer passes through flame proof portion, with control circuit electric connection. The invention provides an ultrasonic online monitoring host which is provided with an explosion-proof part, so that after a probe breaks down due to overhigh temperature, the control part is prevented from being influenced, further accidents such as explosion and the like are caused, and meanwhile, the explosion-proof part separates the probe from the control part for a certain distance, so that the control part can be ensured to work under a proper working condition.

Description

Ultrasonic online monitoring host and system thereof

Technical Field

The utility model relates to a test measurement technical field especially relates to an supersound on-line monitoring host computer and system thereof.

Background

In the industrial production processing transportation process, especially under the condition that relates to the pipeline transportation, often because transport content is for having corrosive materials such as sulphide, water-soluble acid, water-soluble alkali for the pipeline wall is corroded, seriously influences device safety, causes serious economic and social influence even, consequently needs to monitor each item data of pipeline state, avoids taking place the leakage accident, goes on smoothly with the protection industrial production. In the prior art, methods such as piezoelectric ultrasound and pulse eddy current are mainly adopted for pipeline detection, but workers are usually required to regularly go to the site for operation, and the pipeline detection system can still operate on the site with normal working condition environment, but when the pipeline detection system is in severe working environments such as high temperature, not only is a manual measurement mode difficult to realize, but also the problems of damage, failure and the like easily occur to the internal structure of a monitoring host, particularly a circuit structure, and even explosion is caused by overhigh temperature and pressure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an supersound on-line monitoring host computer to solve the monitoring host computer and be difficult to adapt to high temperature or other abominable operational environment, and the complicated technical problem of control method.

An object of the utility model is to provide a system with supersound on-line monitoring host computer.

In order to realize one of the above purposes of the utility model, an embodiment of the utility model provides an supersound on-line monitoring host computer for measure pipeline state data, including probe, control part, and set up in the probe with flame proof portion between the control part, the probe include first shell and set up in ultrasonic wave transducer in the first shell, flame proof portion include the second shell and fill in explosion-proof material in the second shell, the control part include the third shell, and set up in control circuit in the third shell, ultrasonic wave transducer passes through flame proof portion, with control circuit electric connection.

As an embodiment of the utility model provides a further improvement, supersound on-line monitoring host computer still including connect in the connecting portion of flame proof portion, connecting portion with flame proof portion makes up the piece, is fixed in the probe with between the control part.

As a further improvement of an embodiment of the present invention, the probe further includes an insulating material filled in the first housing.

As a further improvement of an embodiment of the present invention, the probe further includes a circuit protection device, and when the temperature in the probe is higher than the set temperature, the circuit protection device acts and cuts off the control circuit and the electrical connection between the ultrasonic wave transducing devices.

As a further improvement of an embodiment of the present invention, the circuit protection device is a thermal fuse, and the thermal fuse is connected in series to the control circuit through two end portions.

As an embodiment of the present invention, the control unit further comprises a temperature measuring element, one end of the temperature measuring element is connected to the first housing, the other end of the temperature measuring element is connected to the control circuit.

As a further improvement of an embodiment of the present invention, the temperature measuring element is a thermocouple, the thermocouple includes a thermocouple wire and an extension wire, the thermocouple wire is connected to the first housing, the first housing is kept away from the control portion one side, the extension wire is connected to the control circuit.

As a further improvement of an embodiment of the present invention, the probe further includes a ceramic plate fixed on one side of the control portion and away from the first housing.

As an improvement of an embodiment of the present invention, the ultrasonic online monitoring host further includes one end fixed to the control unit, the other end is along keeping away from the transmission unit that the probe direction extends.

For realizing one of the above utility model purposes, an embodiment of the utility model provides a monitoring system for monitor pipe state, including terminal, server, gateway, monitoring system still includes any kind of above-mentioned technical scheme's supersound on-line monitoring host computer, supersound on-line monitoring host computer with the gateway communication is connected, the gateway with the server with the terminal is the communication connection respectively, the server with the terminal communication is connected.

Compared with the prior art, the utility model discloses be provided with flame proof portion to separate control part and probe, make it have the certain distance, thereby keep the operating mode that control part locates stable, simultaneously because flame proof portion intussuseption is filled with explosion-proof material, make its shock resistance stronger, when the probe explodes owing to contact high temperature pipeline or because of other unusual operating modes, can guarantee that parts such as control part are not damaged, and then prevent the scene explosion, reduce the accident rate.

Drawings

Fig. 1 is a block diagram of a system with an ultrasonic online monitoring host according to an embodiment of the present invention;

fig. 2 is a structural diagram of an ultrasonic online monitoring host according to an embodiment of the present invention;

fig. 3 is a partial sectional view of a probe of an ultrasonic online monitoring host machine according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In an embodiment of the present invention, the ultrasonic online monitoring host is used as a part of the monitoring system, and is configured to directly measure state data of the pipeline to be monitored, transmit the measured data, and assist the monitoring system in monitoring the state of the pipeline in real time.

As shown in fig. 1, the monitoring system further includes a terminal, a server and a gateway, wherein the ultrasonic online monitoring host is in communication connection with the gateway, the gateway is in communication connection with the server and the terminal respectively, the server is in communication connection with the terminal, in a specific operation process, the ultrasonic online monitoring host is provided with a plurality of on the surface of the pipeline to be measured, after various parameters of the pipeline are measured respectively, obtained data are transmitted to the gateway, the gateway collects the data detected by the ultrasonic online monitoring hosts and sends the data to the server for data processing, and then the server transmits the processed data to the terminal, so that a user can monitor the state data of each position of the pipeline in real time from the terminal, and the implementation of work such as maintenance, fault removal and the like is performed. Furthermore, a plurality of communication modes such as 4G, local area network or ethernet can be adopted between the server and the gateway, and a plurality of transmission protocols such as MQTT (Message Queuing Telemetry Transport) or scolet (socket protocol) can be adopted as the transmission protocol; the terminal and the server, and the terminal and the gateway can adopt any system priority or wireless transmission mode; in the embodiment, a wireless transmission mode is adopted between the gateway and the ultrasonic online monitoring host, and the same technical effect can be achieved by adopting a wired embodiment.

For a terminal, in the terminal access mode in this embodiment, a mobile device such as a mobile phone or a tablet computer or a device such as an upper computer is mainly used to access a web page corresponding to a server or a gateway, so as to obtain, monitor and analyze data, where web interfaces corresponding to the server and the gateway have the same function, and can all display data transmitted by an ultrasonic online monitoring host, where the difference is that data acquired by the gateway only covers the ultrasonic online monitoring host within the jurisdiction of the gateway, and the server calls data acquired by all gateways, so as to call all data acquired by the ultrasonic online monitoring host, so that a user can call all or part of pipeline data as needed.

For the server, in this embodiment, the server includes a core server and a transmission server, the core server communicates with the gateway through the transmission server, so as to obtain a more stable data transmission effect, further, data is transmitted to the core server through the gateway, and then is stored in the database for pipeline state analysis and prediction, that is, data acquired in each time period is calculated by using a least square method to obtain a pipeline corrosion rate after a fitting curve is calculated, and then the service life of the pipeline is predicted.

For the gateway, as compared with the server and the terminal, the gateway is closer to a working site, and in order to adapt to severe working conditions such as high temperature, humidity and the like, structures such as heat dissipation fins, RJ45 waterproof interfaces and the like are arranged outside the gateway, so that the heat dissipation area is increased, the waterproof performance is enhanced, and the normal work of the gateway is ensured.

Since in this embodiment, the terminal can call the data collected by the server and the gateway separately, the data transmission process may have multiple embodiments, and three of them will be briefly described below:

data transmission part embodiment one: the method comprises the steps that a terminal sends a command to a core server, the command is added into a core server priority message queue, the command is transmitted to a gateway through a corresponding transmission server, the gateway receives the command from the transmission server through a corresponding protocol, transmits the command to an ultrasonic online monitoring host, collects pipeline state data, and finally transmits the collected data to the terminal through the gateway, the transmission server and the core server in sequence;

data transfer part embodiment two: the method comprises the steps that a terminal sends a command to a gateway, the gateway sends the command to a core server through a transmission server, the core server receives the command and adds the command into a priority message queue according to the command priority, the command is further transmitted to the gateway through the transmission server, the gateway receives the command and transmits the command to an ultrasonic online monitoring host, so that pipeline state data are collected, and finally the collected data are transmitted to the terminal through the gateway, the transmission server and the core server in sequence;

data transmission part embodiment three: under the condition of server failure, the terminal directly sends a command to the gateway, the gateway adds the command into a message queue and then transmits the command to the ultrasonic online monitoring host, the pipeline state data is collected, and finally the collected data is transmitted to the terminal through the gateway.

The circuit part of the ultrasonic online monitoring host mainly comprises a probe and a control circuit, wherein the control circuit comprises a transceiving circuit, a master singlechip, a slave singlechip and a transmission module, the ultrasonic online monitoring host is in communication connection with the gateway through the transmission module, and the probe, the transceiving circuit, the master singlechip, the slave singlechip and the transmission module are sequentially connected.

Furthermore, for the control logic, the transmission module triggers the slave single chip microcomputer after receiving a command from the gateway, the slave single chip microcomputer powers on the master single chip microcomputer and controls the probe to acquire data through the transceiving circuit, and after data acquisition is finished, the slave single chip microcomputer powers off the master single chip microcomputer and further transmits the acquired data to the gateway through the transmission module. The receiving and transmitting circuit and the master singlechip convert and transmit data signals through an analog-to-digital converter, and the master singlechip and the slave singlechip transmit data through a universal synchronous/asynchronous serial receiving/transmitting device.

Furthermore, the slave single chip microcomputer is a low-power consumption single chip microcomputer and is in a real-time working state, and the master single chip microcomputer correspondingly and respectively wakes up and sleeps according to the action of the slave single chip microcomputer, namely power on and power off, so that the power consumption of the ultrasonic online monitoring host computer is saved.

For the external structure and the detection method of the ultrasonic online monitoring host, as shown in fig. 2.

The ultrasonic online monitoring host is arranged on the outer surface of the pipeline to be measured and used for measuring the state data of the pipeline. More specifically, considering that the state of the pipeline is mainly measured according to the thickness of the pipeline wall, so as to prevent the pipeline from being damaged and further causing accidents due to corrosive gas or liquid transported inside the pipeline, the present embodiment is mainly directed to describing the function of measuring the thickness of the object to be measured, such as the pipeline, and the present invention is not limited to such a function.

As shown in fig. 2 and fig. 3, the ultrasonic online monitoring host comprises a probe 1, a control part 3, and an explosion-proof part 2 arranged between the probe 1 and the control part 3, the probe comprises a first housing 10 and an ultrasonic energy conversion device 11 arranged in the first housing 10, the explosion-proof part 2 comprises a second housing 20 and an explosion-proof material filled in the second housing 20, the control part 3 comprises a third housing 30 and a control circuit arranged in the third housing 30, wherein the ultrasonic energy conversion device 11 is electrically connected with the control circuit through the explosion-proof part 2.

The probe 1 is used for detecting pipeline state data, and more specifically, in this embodiment, the probe 1 obtains the thickness information of the pipeline by sending and receiving ultrasonic signals, and transmits the thickness information to the control circuit located in the control part 3 through the explosion suppression part 2, and further transmits the thickness information to other parts of the monitoring system through the control circuit, so that a user can conveniently obtain and analyze data. Meanwhile, due to the explosion-proof part 2, under the condition that the probe 1 is over-high in temperature and even explodes due to direct contact with a pipeline to be detected, the explosion-proof part 2 can effectively protect the control part 3, internal control circuits of the control part 3, other on-site elements and equipment from being influenced by faults of the probe 1, and further accident rate is reduced. Specifically, the explosion-proof part 2 is arranged between the probe 1 and the control part 3, has a certain extending length, and is enough to separate the probe 1 from the control part 3 so as to ensure the stable working condition of the control circuit.

In the present embodiment, in view of the explosion-proof performance, the requirements of national standards GB3836.1-2010, GB3836.2-2010, and GB3836.8-2014 are met, the second enclosure 20 is a stuffing box, two ends of the stuffing box have a thread structure for connecting the probe 1 and the control part 3, further, a seal ring is further disposed between the control part 3 and the explosion-proof part 2, in the assembling process, the seal ring is fixed on the third enclosure 30 of the control part, and the seal ring is tightened to the third enclosure 30 and the second enclosure 20 of the explosion-proof part 2, that is, between the third enclosure 30 and the stuffing box, by rotating the thread structure. More specifically, the stuffing box is a clamping type stuffing box, and explosion-proof materials in the stuffing box are fixed by rotating a clamping piece, so that the practical assembly is facilitated. Further, the explosion-proof material filled in the second housing 20, which is a setting type explosion-proof mastic in the present embodiment, has excellent flame retardancy and impact resistance to protect the control portion 3 from high temperature or high pressure from the probe 1.

For the third casing 30 of the control part 3, in order to facilitate the arrangement of the internal control circuit thereof, the third casing 30 includes a third casing 301 and a third cover 302 disposed on one side of the third casing 301 close to the probe 1, wherein one side of the third casing 301 close to the third cover 302 has an extension portion extending to the periphery, so as to increase the contact area between the third casing 301 and the third cover 302, and to assemble the third casing through screws after the control circuit is arranged, thereby improving the overall structural strength. Further, in the present embodiment, the sealing ring between the control unit 3 and the flameproof unit 2 is fixed to the third cover 302 on the side close to the second housing 20.

As shown in fig. 2, the ultrasonic online monitoring host further includes a connecting portion 4 connected to the explosion-proof portion 2, the connecting portion 4 and the explosion-proof portion 2 form a combined member, and the combined member is fixed between the probe 1 and the control portion 3, so that the distance between the control portion 3 and the probe 1 can be further increased, high temperature at the probe 1 is prevented from being conducted to the control portion 3, and the control portion 3 is ensured to be in an optimal working state, more specifically, the connecting portion 4 is rod-shaped in the present embodiment, one end of the connecting portion is fixed to the probe 1, and the other end of the connecting portion is in threaded connection with one side of the explosion-proof portion 2 away from the control portion 3, so as to be indirectly connected to the control portion 3, and the arrangement is that the rod-shaped structure can sufficiently extend the longitudinal distance between the control portion 3 and the probe 1, and reduce occupation of a transverse space, thereby facilitating transportation and assembly, and meanwhile, due to property limitation of, the explosion-proof effect is reduced, and therefore the connecting part 4 which is low in manufacturing cost and cannot influence the function of the connecting part due to high temperature is arranged between the probe 1 and the explosion-proof part 2, and maintenance and recycling are facilitated.

Further, in order to enhance the intensity of the wireless communication signal between the ultrasonic online monitoring host and the gateway, the ultrasonic online monitoring host further comprises a transmission part 5, one end of the transmission part is fixed on the control part 3, the other end of the transmission part extends along the direction away from the probe 1, and the transmission part 5 is electrically connected with the control circuit. In the present embodiment, the transmission unit 5 is an antenna, but in other embodiments, the transmission unit 5 may have another structure having a function of enhancing signal quality.

For the assembling process of the ultrasonic online monitoring host, in the present embodiment, the control circuit is first electrically connected to the transmission part 5, after the transmission part 5 is fixed at one side of the control part 3 far away from the probe 1, the control circuit is arranged in an accommodating space formed by the third shell 301 and the third sealing cover 302, the explosion-proof part 2 and the third sealing cover 302 are continuously fixedly connected by screw threads, the connecting part 4 and one side of the explosion-proof part 2 far away from the control part 3 are fixedly connected by screw threads, and finally the probe 1 and the connecting part 4 are fixed, thus completing the assembly of the ultrasonic online monitoring host, meanwhile, in order to better fix the probe 1 on the pipeline to be measured, a fixing piece 6 is arranged on one side of the probe 1, which is far away from the control part 3, the area of the fixing piece 6 is larger than the cross-sectional area of the probe 1, therefore, the contact area between the ultrasonic online monitoring host and the pipeline to be detected is increased, and the structural strength is enhanced.

The probe 1 has a special structural arrangement in this embodiment, as shown in fig. 3.

The probe 1 comprises a first shell 10 and an ultrasonic transducer 11 arranged in the first shell 10, wherein the first shell 10 comprises a first shell 101 and a first sealing cover 102 arranged on one side, close to the control part 3, of the first shell 101, one side, close to the first sealing cover 102, of the first shell 101 is provided with an extension part extending all around, so that the contact area between the first shell 101 and the first sealing cover 102 is increased, the assembly is performed through screws after components inside the first shell 10 are assembled, and the strength of the whole structure is improved. Meanwhile, a first sealing ring 171 is further provided between the first case 101 and the first cover 102, and the first sealing ring 171 is tightened to the first case 101 and the first cover 102 by rotating a screw for fixing the first housing 10, thereby improving the sealability of the first housing 10.

As for the ultrasonic transducer 11, in the present embodiment, the ultrasonic transducer 11 is disposed in the first housing 10, which is far away from the control portion 3, and includes a coil 111 and a permanent magnet 112, such that when the coil 111 is energized by an exciting current, an induced eddy current is formed in an area surrounded by the coil 111, and the induced eddy current is acted by a lorentz force under an action of an external magnetic field generated by the permanent magnet 112 to generate electromagnetic ultrasound, and simultaneously, when the coil 111 is energized by a pulse current, a pulse magnetic field is generated, and the pulse magnetic field and the external magnetic field generated by the permanent magnet 112 are combined to generate a magnetostrictive effect, so as to generate electromagnetic ultrasound with different waveforms, and similarly, when the ultrasonic wave is reflected to the ultrasonic transducer 11 through a pipe to be tested, an oscillation generated by the ultrasonic wave correspondingly generates an induced voltage in the coil 111 under the action of the external magnetic field generated by the permanent magnet 112, therefore, the data is received by the ultrasonic transducer 11, and in the process of transmitting and receiving ultrasonic waves, corresponding data such as voltage, current and the like are obtained and processed, so as to obtain the thickness information of the inner wall of the pipeline.

Further, the first housing 10 is filled with an insulating material 12, in this embodiment, the insulating material 12 is a high temperature resistant potting adhesive, so as to protect the internal structure of the probe 1. The high temperature resistant pouring sealant material commonly used in the field is epoxy resin, and the utility model is not limited to the material. More specifically, the insulating material 12 is configured as a material sufficient to cope with normal temperature and high temperature conditions in the present embodiment.

Under the working condition that the probe 1 is at a high temperature, although the propagation of temperature and impact force can be effectively prevented through the explosion-proof part 2, the internal structure of the probe 1 is not damaged enough at the actual temperature, but the internal electric connection part, particularly the coil 111, can not be in a stable working state, so that the control circuit can still be influenced and even damaged, therefore, the probe 1 further comprises a circuit protection device 13, when the temperature in the probe 1 is higher than the set temperature, the circuit protection device 13 acts and cuts off the electric connection between the control circuit and the ultrasonic transducer 11, thereby protecting the control circuit, furthermore, the circuit protection device 13 is a thermal fuse in the embodiment, the thermal fuse is connected in series with the control circuit through two end parts, particularly connected in series with a power supply part in the control circuit, and is a battery part in the embodiment, when the coil 111 fails, the circuit where the thermal fuse is located is broken, and the electrical connection between the coil 111 and the control circuit is cut off, so that the control circuit is protected.

In the actual production process, for the working state of the pipeline, besides the thickness data of the pipeline, the temperature data of the pipeline also needs to be detected, so as to ensure that the pipeline is in a normal working state, in this embodiment, the probe 1 further includes a temperature measuring element 14, one end of the temperature measuring element 14 is connected to one side of the first shell 10 away from the control part 3, and the other end is connected to the control circuit, specifically, the temperature measuring element 14 is a thermocouple, the thermocouple includes a thermocouple wire and an extension wire, the thermocouple wire is connected to the probe 1, that is, connected to one side of the first shell 10 away from the control part 3, and the extension wire is connected to the control circuit, so that the temperature data of the pipeline can be detected by detecting the temperature of one side of the probe 1 away from the control part 3 through the thermocouple wire and transmitting the data to the control circuit along the extension wire.

Because the pipeline surface is often not smooth enough and level, when the probe 1 is fixed in the pipeline surface, often can receive wearing and tearing, in order not to influence 1 inner structure of probe and function, probe 1 still including be fixed in the potsherd 15 of first shell 10 far away from control part 3 one side, so, utilize the strong characteristics of potsherd 15 wearability, can increase the life of probe 1 and supersound on-line monitoring host computer to a certain extent.

Further, in view of the explosion-proof performance, in order to satisfy the national standard GB3836.9-2014, as shown in fig. 2 and 3, the probe 1, specifically, the first cover 102 is provided with a matching portion extending toward the control portion 3 side, in the present embodiment, the outer diameter of the matching portion is not larger than the inner diameter of the connecting portion 4 for fixing with the connecting portion 4, and in addition, the glan head 16 is fixed in the matching portion for enhancing the explosion-proof performance of the probe 1, and it is emphasized that the second sealing ring 172 and the third sealing ring 173 are respectively provided between the first cover 102 and the connecting portion 4 and between the glan head 16 and the first cover 102, thereby enhancing the sealing performance between the structures.

In the assembly process of the probe 1, in the present embodiment, the ceramic sheet 15 is first fixed to the side of the first case 101 away from the control unit 3, the ultrasonic transducer 11, the circuit protector 13 and the temperature measuring element 14 are further disposed in the first case 101, and one end of the coil 111, the circuit protector 13 and the temperature measuring element 14 connected to the control circuit are gathered to form the bus 18, then the first case 101 is filled with the insulating material 12 and cured, the glan head 16 is fixed to the first cover 102 by the third sealing ring 173, the first cover 102 is screwed to the first case 101 by the first sealing ring 171, and at this time, the bus 18 needs to be led out through the interiors of the first cover 102 and the glan head 16, and finally the connection unit 4 is fixed to the first cover 102 of the probe 1 by the second sealing ring 172, and the bus 18 is passed through the connection unit 4 in order, The explosion-proof part 2 is connected to the control circuit of the control part 3, so that the internal structure of the probe 1 and the assembly between the internal structure and other parts of the ultrasonic online monitoring host machine are completed, the design of the internal structure of the probe 1 and the arrangement of the insulating material 12 are realized, and the probe 1 can normally work under the environment of normal temperature and high temperature.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (10)

1. An ultrasonic online monitoring host machine is used for measuring pipeline state data and is characterized by comprising a probe (1), a control part (3) and an explosion-proof part (2) arranged between the probe (1) and the control part (3),

the probe (1) comprises a first shell (10) and an ultrasonic transduction device (11) arranged in the first shell (10),

the explosion-proof part (2) comprises a second shell (20) and an explosion-proof material filled in the second shell (20),

the control part (3) comprises a third shell (30) and a control circuit arranged in the third shell (30), and the ultrasonic energy conversion device (11) is electrically connected with the control circuit through the explosion-proof part (2).

2. The online ultrasonic monitoring host machine of claim 1, further comprising a connecting part (4) connected to the explosion-proof part (2), wherein the connecting part (4) and the explosion-proof part (2) form an assembly fixed between the probe (1) and the control part (3).

3. The ultrasonic online monitoring host machine according to claim 1, characterized in that the probe (1) further comprises an insulating material (12) filled in the first housing (10).

4. The ultrasonic online monitoring host machine according to claim 1, wherein the probe (1) further comprises a circuit protection device (13), and when the temperature in the probe (1) is higher than a set temperature, the circuit protection device (13) acts and cuts off the electrical connection between the control circuit and the ultrasonic transduction device (11).

5. The ultrasonic online monitoring host machine according to claim 4, wherein the circuit protection device (13) is a thermal fuse, and the thermal fuse is connected in series to the control circuit through two ends.

6. The ultrasonic online monitoring host machine according to claim 1, wherein the probe (1) further comprises a temperature measuring element (14), one end of the temperature measuring element (14) is connected to the side of the first shell (10) far away from the control part (3), and the other end is connected to the control circuit.

7. The ultrasonic online monitoring host machine according to claim 6, wherein the temperature measuring element (14) is a thermocouple, the thermocouple comprises a thermocouple wire and an extension lead, the thermocouple wire is connected to the side of the first shell (10) far away from the control part (3), and the extension lead is connected to the control circuit.

8. The ultrasonic online monitoring host machine according to claim 1, wherein the probe (1) further comprises a ceramic plate (15) fixed on one side of the first housing (10) far away from the control part (3).

9. The ultrasonic online monitoring host machine according to claim 1, further comprising a transmission part (5) having one end fixed to the control part (3) and the other end extending in a direction away from the probe (1).

10. A monitoring system for monitoring the state of a pipeline comprises a terminal, a server and a gateway, and is characterized in that the monitoring system further comprises the ultrasonic online monitoring host machine as claimed in any one of claims 1 to 9, the ultrasonic online monitoring host machine is in communication connection with the gateway, the gateway is in communication connection with the server and the terminal respectively, and the server is in communication connection with the terminal.

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