CN113189652B - Welding monitoring equipment and welding monitoring method for steel-plastic composite pressure pipeline - Google Patents
Welding monitoring equipment and welding monitoring method for steel-plastic composite pressure pipeline Download PDFInfo
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- CN113189652B CN113189652B CN202110492160.2A CN202110492160A CN113189652B CN 113189652 B CN113189652 B CN 113189652B CN 202110492160 A CN202110492160 A CN 202110492160A CN 113189652 B CN113189652 B CN 113189652B
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- 238000003466 welding Methods 0.000 title claims abstract description 76
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 11
- 230000010365 information processing Effects 0.000 claims description 36
- 230000008569 process Effects 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
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- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention provides welding monitoring equipment for a steel-plastic composite pressure pipeline, which is characterized by comprising an electromagnetic welding machine clamp and a sensor, wherein the sensor is arranged in the electromagnetic welding machine clamp. According to the method, the mounting sensor is arranged in the welding clamp, the metal position of the pipe port in the steel-plastic composite pressure pipeline after socket joint is monitored, so that the socket joint position of the pipe in the pipe fitting is determined, the electromagnetic hot-melt welding operation is performed after the pipe is positioned at the correct position in the pipe fitting, and the welding quality is stable. After the invention is used, the welding failure rate of the steel-plastic composite pipeline is reduced by half, the welding quality is improved, and the steel-plastic composite pressure pipeline welding quality monitoring method is developed.
Description
Technical Field
The invention relates to the field of welding of steel-plastic composite pressure pipelines, in particular to welding monitoring equipment and a welding monitoring method for steel-plastic composite pressure pipelines.
Background
In the welding process of the steel-plastic composite pressure pipeline, the pipe and the pipe fitting are required to be connected in place in a socket manner, namely, the pipe is connected to the bottom of the socket of the pipe fitting in a socket manner, and then electromagnetic hot-melt welding is carried out on a pipeline system with complete socket connection, so that the welding quality is ensured to be reliable. However, in the prior art, whether the pipe is connected in place in a socket joint cannot be monitored, and the pipe can be judged only through experience of operators. The condition that the socket connection is not in place easily appears in the pipeline welding process, produces serious influence to welding quality, especially to the tubular product more than DN110 specification, the socket connection effect is great for the people's influence, takes place easily that the socket is not in place, if directly carry out the electromagnetic hot melt connection of steel plastic composite pressure pipeline system, the welding quality problem can appear in the pipeline that the socket is not in place, leak easily in the use, causes pipeline safety quality hidden danger, not only influences the construction cycle but also has caused a large amount of economic losses. Therefore, it is important to develop a welding detection device and a welding detection method for steel-plastic composite pressure pipelines, which can automatically identify and monitor pipes and pipe fittings in place.
Disclosure of Invention
According to the technical problem, the invention provides steel-plastic composite pressure pipeline welding monitoring equipment which is characterized by comprising an electromagnetic welding machine clamp and a sensor, wherein the sensor is arranged in the electromagnetic welding machine clamp.
And a sensor is embedded in the electromagnetic welding welder clamp.
The electromagnetic welding welder fixture is internally provided with a groove, and a sensor is inserted into the groove.
The sensor is a magnetic induction sensor.
The magnetic induction sensor is a high-frequency metal sensor.
The sensor is positioned outside the joint of the pipe fitting and the pipe.
Still install the audible-visual alarm lamp on the electromagnetic fusion welding machine anchor clamps, audible-visual alarm lamp and information processing unit connect, information processing unit and sensor connection, sensor internally mounted has the sensor chip, it has sensor circuit and power supply circuit to take out to bear on the sensor chip, power supply circuit is connected with external power supply, sensor circuit respectively. The information processing unit is arranged inside the electromagnetic welding machine clamp.
The information processing unit is internally provided with an information processing circuit which is also connected with an external communication circuit.
A power supply circuit: the power supply device is used for converting external 12V power supply into 10V for sensing and 3.3V for a controller chip;
sensor circuit: the circuit generates a high-frequency signal of 150KHZ through an oscillator and generates a magnetic field through a magnetic core. When the metal object is detected, the control tube generates a voltage change. A high-low level change amount is inputted to the outside through an amplifying circuit.
An information processing circuit: after the sensor signal is monitored by the singlechip, corresponding acousto-optic indication is generated by a program, and information is sent to an external controller host through a communication interface.
A welding monitoring method for a steel-plastic composite pressure pipeline comprises the following specific steps:
1. a sensor, an information processing unit and an acousto-optic alarm lamp are arranged on a clamp of the electromagnetic welding welder;
2. After a worker powers on the main machine of the electromagnetic welding welder, connecting the pipe with the pipe fitting;
3. Placing the pipe fitting on a welding fixture, controlling the two pipe fittings to move and butt joint by using an electromagnetic welding machine, and monitoring by using a sensor after the pipe fittings stop moving;
4. if the sensor detects that two pipe fittings are inserted in place, information is transmitted to the information processing unit, the information processing unit transmits a green light instruction to the sound-light alarm lamp, the green light of the sound-light alarm lamp is lightened, and the clamp displays the green light and can perform the next operation;
5. if the sensor detects that the two pipe fittings are not inserted in place, transmitting information to the information processing unit, transmitting a red light instruction to the sound-light alarm lamp by the information processing unit, and enabling the sound-light alarm lamp to emit light, wherein the clamp displays the red light; at the moment, the assembler can adjust the position of the pipe to become a green light, then the next electromagnetic welding operation can be performed, if the pipe is not inserted in place and the operator forcedly starts the main machine of the electromagnetic welding welder to weld, the main machine of the electromagnetic welding welder can receive the detection result of the circuit and refuses to execute the operation command.
The beneficial effects of the invention are as follows: according to the method, the mounting sensor is arranged in the welding clamp, the metal position of the pipe port in the steel-plastic composite pressure pipeline after socket joint is monitored, so that the socket joint position of the pipe in the pipe fitting is determined, the electromagnetic welding operation is performed after the pipe is positioned at the correct position in the pipe fitting, the welding quality is shifted, and the situation that the pipe socket joint is not in place is avoided. After the method is used, the pipe welding failure rate is reduced by half, the welding quality is improved, and after the method for monitoring the welding quality of the steel-plastic composite pressure pipeline is developed, the user feedback failure probability of using the steel-plastic composite pipeline is reduced from 6.97% of the average value before improvement to 2.99% after improvement.
The method adopts the principle that the magnetic flux changes after the high-frequency electromagnetic induction magnetic field is subjected to the metal action, and the equivalent voltage change is measured by the monitoring circuit, so that whether the pipe in the steel-plastic composite pressure pipeline after socket joint reaches the designated position of safe welding is judged. After the method is used, the condition that the connection is not in place can be directly indicated and reflected by the audible and visual alarm, so that the problem of welding quality is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the invention in use;
FIG. 3 is a circuit block diagram of an inventive sensor;
FIG. 4 is a process flow diagram of the present invention;
FIG. 5 is a schematic diagram of the change in failure rate before and after improvement according to the present invention.
The following figures are shown: an electromagnetic welding machine fixture 1, a sensor 2, an acousto-optic alarm lamp 3 and an information processing unit 4.
Detailed Description
Example 1
The invention provides welding monitoring equipment for a steel-plastic composite pressure pipeline, which comprises an electromagnetic welding machine clamp and a sensor, wherein the sensor is arranged in the electromagnetic welding machine clamp. The electromagnetic welding welder fixture is internally provided with a groove, and a sensor is inserted into the groove. The sensor is a magnetic induction sensor. The magnetic induction sensor is a high-frequency metal sensor. The sensor is positioned outside the joint of the pipe fitting and the pipe. And the electromagnetic welding welder clamp is also provided with an acousto-optic alarm lamp, the acousto-optic alarm lamp is connected with the information processing unit, and the information processing unit is connected with the sensor. The information processing unit is arranged inside the electromagnetic welding machine clamp. The information processing unit is also connected with an external communication circuit.
Example 2
When the invention is used, firstly, a sensor, an information processing unit and an acousto-optic alarm lamp are arranged on a welding machine clamp; after a worker electrifies a host machine of the fusion splicer, connecting the pipe with the pipe fitting; the pipe fitting is placed on a welding fixture, then the pipe fitting is inserted into the pipe fitting, and the sensor detects the pipe fitting in the process of moving and butting the pipe fitting; if the sensor detects that the pipe is inserted in place in the pipe fitting, information is transmitted to the information processing unit, the information processing unit transmits a green light instruction to the acousto-optic alarm lamp, the green light of the acousto-optic alarm lamp is lighted, the clamp displays the green light, and the next welding operation example 3 can be performed
When the invention is used, firstly, a sensor, an information processing unit and an acousto-optic alarm lamp are arranged on a welding machine clamp; after a worker electrifies a host machine of the fusion splicer, connecting the pipe with the pipe fitting; the pipe fitting is placed on a welding fixture, then the pipe fitting is inserted into the pipe fitting, and the sensor detects the pipe fitting in the process of moving and butting the pipe fitting; if the sensor detects that the pipe is inserted in place in the pipe fitting, information is transmitted to the information processing unit, the information processing unit transmits a green light instruction to the sound-light alarm lamp, the green light of the sound-light alarm lamp is lightened, and the clamp displays the green light and can perform the next welding operation; if the sensor detects that the pipe is not inserted into the pipe fitting, transmitting information to the information processing unit, transmitting a red light instruction to the sound-light alarm lamp by the information processing unit, and enabling the sound-light alarm lamp to emit light, wherein the clamp displays the red light; at the moment, the assembler can adjust the position of the pipe to become green light, then the next electromagnetic welding operation can be carried out, if the pipe is not inserted in place and the operator forcedly starts the main machine of the welding machine to weld, the main machine of the welding machine can receive the detection result of the circuit and refuses to execute the operation command.
Example 4
The high-frequency metal sensor is embedded in the electromagnetic welding machine clamp, the sensor is arranged outside the joint of the pipe fitting and the pipe, as shown in the figure, the corresponding position of the metal layer interface of the pipe is monitored through the electromagnetic induction probe, if the electromagnetic welding machine clamp is connected in place, the control circuit can transmit the monitoring result of the sensor to the host, and the host can perform the next operation. If the corresponding position of the pipe is not monitored, the control circuit can remind an operator through an audible and visual indication. And meanwhile, after receiving the information, the host computer does not carry out the next welding process until the pipe is qualified in connection with the pipe.
The working principle of the circuit is as follows: the power supply circuit converts external 12V power supply into 10V for sensing and 3.3V for a controller chip; the sensor circuit generates a high frequency signal of 150KHZ via an oscillator and a magnetic field via a magnetic core. When the metal object is detected, the control tube generates a voltage change. A high-low level change amount is inputted to the outside through an amplifying circuit. After the information processing circuit monitors the sensor signal through the singlechip, the information processing circuit generates corresponding acousto-optic indication through a program and sends the information to an external controller host through a communication interface.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. Various components mentioned in the present invention are common in the art, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications can be made in the present invention without departing from the spirit and scope of the invention, which is defined in the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A welding monitoring method for a steel-plastic composite pressure pipeline is characterized in that an electromagnetic welding machine fixture provided with a sensor, an information processing unit and an acousto-optic alarm lamp is used; the sensor is a magnetic induction sensor; the sound-light alarm lamp is connected with the information processing unit, and the information processing unit is connected with the sensor; the information processing unit is internally provided with an information processing circuit, and the information processing circuit sends information to an external controller host through a communication interface;
After a worker powers on the main machine of the electromagnetic welding welder, connecting the pipe with the pipe fitting;
Placing the pipe fitting on a clamp of an electromagnetic welding welder, inserting the pipe fitting into the pipe fitting, and monitoring by a sensor in the process of moving and butting the pipe fitting; the sensor is positioned outside the joint of the pipe fitting and the pipe, and the corresponding position of the metal layer interface of the pipe is monitored;
If the sensor detects that the pipe is inserted in place in the pipe fitting, transmitting information to the information processing unit, transmitting a green light instruction to the sound-light alarm lamp by the information processing unit, and enabling the green light of the sound-light alarm lamp to be lightened, displaying the green light by the clamp, and performing the next welding operation;
If the sensor detects that the pipe is not inserted in place in the pipe fitting, transmitting information to the information processing unit, transmitting a red light instruction to the sound-light alarm lamp by the information processing unit, and enabling the sound-light alarm lamp to emit light, wherein the clamp displays the red light;
At the moment, an installer can adjust the position of the pipe to become a green light, then the next electromagnetic welding operation can be performed, if the pipe is not inserted in place and the operator forcedly starts the electromagnetic welding machine host machine to weld, the electromagnetic welding machine host machine can receive the detection result of the circuit and refuses to execute the operation command.
2. The welding monitoring method for the steel-plastic composite pressure pipeline according to claim 1, wherein a groove is formed in the clamp of the electromagnetic welding machine, and a sensor is inserted into the groove.
3. The method for monitoring fusion of steel-plastic composite pressure pipes according to claim 1, wherein the magnetic induction sensor is a high-frequency metal sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492160.2A CN113189652B (en) | 2021-05-06 | 2021-05-06 | Welding monitoring equipment and welding monitoring method for steel-plastic composite pressure pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492160.2A CN113189652B (en) | 2021-05-06 | 2021-05-06 | Welding monitoring equipment and welding monitoring method for steel-plastic composite pressure pipeline |
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| CN113189652A CN113189652A (en) | 2021-07-30 |
| CN113189652B true CN113189652B (en) | 2024-04-19 |
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| CN113189652A (en) | 2021-07-30 |
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