CN112147213B - Detector core structure in gas transmission pipeline magnetic leakage - Google Patents
Detector core structure in gas transmission pipeline magnetic leakage Download PDFInfo
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- CN112147213B CN112147213B CN202011015333.3A CN202011015333A CN112147213B CN 112147213 B CN112147213 B CN 112147213B CN 202011015333 A CN202011015333 A CN 202011015333A CN 112147213 B CN112147213 B CN 112147213B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 10
- 230000004907 flux Effects 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000008358 core component Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The application discloses a movement structure of a gas pipeline magnetic flux leakage inner detector, which is provided with a base, wherein the base is provided with a flange plate, a connector is arranged on the base, and the connector is connected with one end of a cushioning support device through a link rod; the connecting rod is provided with a processor and a collecting card. According to the application, the sensor can be controlled to collect the pipeline magnetic leakage signal in real time according to the overall structural design of the pipeline gas transmission magnetic leakage inner detector, and the collected signal is stored into the processor for corresponding processing after analog-digital conversion, so that the overall circuit has good real-time performance and high accuracy. Through the various electronic components of core that set up on the link for the distribution in the detector is more reasonable, and has the guard action to each part, can guarantee that each electronic component is steady safe operation in the detector of high-speed operation. By arranging the cushioning supporting device with the outer diameter slightly larger than the inner diameter of the detector, the movement is ensured to be tightly supported in the detector.
Description
Technical Field
The invention relates to the technical field of detection in long oil and gas transmission pipelines, in particular to an inner detector core capable of walking in a long oil and gas transmission pipeline.
Background
The gas pipeline has high operating pressure, and any tiny pipeline leakage and damage faults are disastrous. The detection in the long oil and gas transmission pipeline magnetic leakage is to use the detector to walk in the pipeline, detect and record the damage conditions such as deformation, corrosion and the like of the pipeline in real time, and is currently internationally recognized as the most accurate and efficient pipeline safety maintenance means. The inner detector core of the pipeline magnetic leakage is a core system of the detector and is responsible for controlling the acquisition of pipeline magnetic leakage signals, completing the storage and processing of acquired data and providing clock data for the pipeline. The reasonable movement structure not only determines factors of the accuracy and the reliability of the detector, but also can provide safety protection for all electronic components of the movement. Therefore, according to the detection characteristics in the gas pipeline magnetic leakage, the inner detector core structure for the pipeline magnetic leakage is designed, has strong protection to equipment, can ensure the accurate acquisition of magnetic leakage signals, can correspondingly process and store acquired data, and is suitable for the use of various inner detectors for the gas pipeline magnetic leakage.
Disclosure of Invention
The invention aims to provide a movement structure of an inner detector for gas pipeline magnetic leakage, which aims to solve the problems of accurate acquisition and processing of detection signals in the detection of the inner detector for gas pipeline magnetic leakage and provide reasonable protection for each detection component.
In order to achieve the above purpose, the present invention provides the following technical solutions: the movement structure of the detector in the gas pipeline magnetic leakage is provided with a base, the base is provided with a flange, the base is provided with a connector, and the connector is connected with one end of a cushioning support device through a link rod; the connecting rod is provided with a processor and a collecting card.
Preferably, a conversion plate is arranged between the base and the connector.
Preferably, the other end of the cushioning support device is provided with a shaft rotation angle position sensor.
Preferably, the flange plate is provided with a connector device, the connector device is electrically connected with the computer and the acquisition card, and the connector device is a low-frequency circular connector.
Preferably, the flange plate is provided with an eyelet, and the plugging device is arranged on the eyelet.
Preferably, the cushioning support device includes:
the mounting seat is fixed with the link rod;
the shock-absorbing support protrusions are circumferentially arranged on the mounting base.
Preferably, a retainer ring is arranged on the flange plate.
Compared with the prior art, the application has the beneficial effects that: according to the application, the sensor can be controlled to collect the pipeline magnetic leakage signal in real time according to the overall structural design of the pipeline gas transmission magnetic leakage inner detector, and the collected signal is stored into the processor for corresponding processing after analog-digital conversion, so that the overall circuit has good real-time performance and high accuracy.
Through the various electronic components of core that set up on the link for the distribution in the detector is more reasonable, and has the guard action to each part, can guarantee that each electronic component is steady safe operation in the detector of high-speed operation.
By arranging the cushioning supporting device with the outer diameter slightly larger than the inner diameter of the detector, the movement is ensured to be tightly supported in the detector. The shock-absorbing support protrusion is made of oil-resistant rubber or polyurethane, and the material of the shock-absorbing support protrusion has certain elasticity, so that the effect of stable operation of the whole movement during high-speed operation of the detector is achieved.
Drawings
FIG. 1 is a schematic diagram of the movement structure of the detector in the gas pipeline leakage flux of the invention.
FIG. 2 is a schematic diagram of a flange plate of the movement structure of the inner detector for gas pipeline leakage flux.
FIG. 3 is a schematic diagram of a cushioning support device for a core structure of a detector in a gas pipeline leakage flux.
1. A base; 2. a flange plate; 3. a plugging device; 4. a connecting body; 5. a link rod; 6. a cushioning support device; 7. a conversion plate; 8. a processor; 9. a collection card; 10. an eyelet; 11. a shaft rotation angle position sensor; 12. a mounting base; 13. shock-absorbing support protrusions; 14. and (5) a retainer ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a detector core structure in gas transmission pipeline magnetic leakage, the core structure is equipped with base 1, and base 1 is equipped with ring flange 2, and is equipped with retaining ring 14 on the ring flange 2. The base 1 is provided with a connector 4, and a conversion plate 7 is arranged between the base 1 and the connector 4 and is responsible for connecting sensor signals and a power supply. The connecting body 4 is connected with one end of the cushioning support device 6 through the connecting rod 5, the cushioning support device 6 is used for supporting the whole device in the shell of the detector stably, and then the flange plate 2 is fixed with the flange at the detector, so that the whole installation stability of the movement structure can be ensured. When the flange is installed, a sealing gasket is firstly arranged between the two flange plates, holes are formed in the flanges, bolts and nuts can be installed, and the two flanges are tightly connected through fastening the bolts and the nuts. Because the gasket is arranged between the sealing surfaces of the two flanges, after the nut is screwed up, the gasket deforms after the specific pressure on the surface of the gasket reaches a certain value, and the uneven parts on the sealing surfaces are filled up, so that the connection is tight and is not leaked.
The link rod 5 is provided with a processor 8 and an acquisition card 9, the processor 8 system adopts an FPGA chip as a central controller, the acquisition of front-end multichannel A/D data can be completed, SPI bus transmission is realized, CPU reads and compresses in real time, and the compressed data is stored in an ATA hard disk through an IDE interface. The acquisition card 9 is used for converting analog signals acquired by the sensors into digital signals and transmitting the digital signals to a computer for data processing. In the detection process, analog signals acquired by a sensor are sampled according to a specified time interval and compared with standard digital signals, and the digital signals are converged successively until the two signals are equal. And then a binary number representing this signal is displayed. This converts the acquired analog signals into computer-recognizable digital signals. And the processor 8 and the acquisition card 9 are arranged at the position of the connecting rod 5, so that the structure is flexible, and the disassembly and the maintenance are convenient. Wiring connecting processor 8 and acquisition card 9 can be easily placed between links 5 to form a complete circuit structure.
The other end of the cushioning support device 6 is provided with a shaft rotation angle position sensor 11 for providing clock data of the circumference of the pipeline, and the shaft rotation angle position sensor 11 can be a code wheel.
The flange plate 2 is provided with a connector 3, the connector 3 is electrically connected with a computer 8 and a collection card 9, and the connector 3 is a low-frequency circular connector. The flange 2 is provided with a plurality of holes 10, and the plugging device 3 is arranged on the holes 10. Because the machine core is provided with a plurality of electric devices, a plurality of groups of the connecting and inserting devices 3 are required to be matched, the male end of the connecting and inserting device 3 is connected with a power supply, and the female end of the connecting and inserting device is connected with each machine core component, so that the normal power supply of the used components can be ensured.
The shock absorbing support device 6 includes:
The mounting seat 12 is fixed with the link rod 5;
The shock-absorbing support protrusions 13, and a plurality of shock-absorbing support protrusions 13 are circumferentially arranged on the mounting base 12. The outer diameter of the shock-absorbing support protrusion 13 is slightly larger than the inner diameter of the detector, so that the movement can be tightly supported inside the detector. And the shock-absorbing support protrusion 13 is made of oil-resistant rubber or polyurethane, and the material of the shock-absorbing support protrusion has certain elasticity, so that the whole movement can be ensured to run stably in the high-speed running of the detector.
Working principle: the flange plate 2 of the movement structure is fixed with the flange structure of the detector, and the cushioning support protrusion 13 is clamped in the inner cavity of the detector, so that the preliminary fixation of the movement and the detector can be realized. Because the material of the shock-absorbing support protrusion 13 is oil-resistant rubber or polyurethane, when the detector oscillates, the processor 8 and the acquisition card 9 arranged on the link rod 5 can be buffered. The male end of the connector 3 is connected with a power supply, and the female end is connected with each core component, so that the normal power supply of the used components is realized.
The acquisition card 9 converts the analog signals acquired by the sensors into digital signals, and transmits the digital signals to a computer for data processing. In the detection process, analog signals acquired by a sensor are sampled according to a specified time interval and compared with standard digital signals, and the digital signals are converged successively until the two signals are equal. And then a binary number representing this signal is displayed. Thus, the acquired analog signals are converted into digital signals which can be recognized by a computer; meanwhile, the shaft rotation angle position sensor 11 also transmits the acquired clock data of the circumference of the pipeline to the processor 8, so that the complete acquisition of the data is realized.
The processor 8, the acquisition card 9 and various wiring are integrally arranged between the multi-heel link rod 5, so that the overall arrangement of the device is more reasonable, and each component is protected, and each electronic component can be ensured to stably and safely run in the detector running at high speed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a detector core structure in gas transmission pipeline magnetic leakage which characterized in that: the machine core structure is provided with a base (1), the base (1) is provided with a flange plate (2), the base (1) is provided with a connecting body (4), and the connecting body (4) is connected with one end of a cushioning support device (6) through a connecting rod (5); a processor (8) and a collecting card (9) are arranged on the connecting rod (5); the flange plate (2) is provided with a connector device (3), the connector device (3) is electrically connected with the processor (8) and the acquisition card (9), and the connector device (3) is a low-frequency circular connector; the flange plate (2) is provided with an eyelet (10), and the plugging device (3) is arranged on the eyelet (10); the cushioning support device (6) comprises: the mounting seat (12) is fixed with the link rod (5); the shock-absorbing support protrusions (13) are circumferentially arranged on the mounting base (12), the outer diameter of each shock-absorbing support protrusion (13) is slightly larger than the inner diameter of the detector, and each shock-absorbing support protrusion (13) is made of oil-resistant rubber or polyurethane.
2. The gas pipeline magnetic flux leakage inner detector movement structure according to claim 1, wherein: a conversion plate (7) is arranged between the base (1) and the connector (4).
3. The gas pipeline magnetic flux leakage inner detector movement structure according to claim 1, wherein: the other end of the cushioning support device (6) is provided with a shaft rotation angle position sensor (11).
4. The gas pipeline magnetic flux leakage inner detector movement structure according to claim 1, wherein: and a retainer ring (14) is arranged on the flange plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011015333.3A CN112147213B (en) | 2020-09-24 | 2020-09-24 | Detector core structure in gas transmission pipeline magnetic leakage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011015333.3A CN112147213B (en) | 2020-09-24 | 2020-09-24 | Detector core structure in gas transmission pipeline magnetic leakage |
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| Publication Number | Publication Date |
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| CN112147213A CN112147213A (en) | 2020-12-29 |
| CN112147213B true CN112147213B (en) | 2024-04-16 |
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|---|---|---|---|---|
| GB1312229A (en) * | 1970-07-20 | 1973-04-04 | Amf Inc | Apparatus and method for pipeline inspection |
| US4675604A (en) * | 1985-08-28 | 1987-06-23 | Exxon Production Research Co. | Computerized and motorized electromagnetic flux leakage internal diameter tubular inspection device |
| CN1828219A (en) * | 2006-04-06 | 2006-09-06 | 上海交通大学 | Intelligent detector for submarine pipeline |
| CN102435669A (en) * | 2010-09-29 | 2012-05-02 | 中国石油大学(北京) | Supporting roller type pipeline inner inspection device and supporting roller type pipeline inner inspection system |
| CN103235034A (en) * | 2013-03-29 | 2013-08-07 | 中国石油集团西部管道有限责任公司 | Natural gas long-distance pipeline three-dimensional high-definition magnetic leakage internal detection apparatus |
| CN107514544A (en) * | 2017-09-21 | 2017-12-26 | 中国石油天然气集团公司管材研究所 | A kind of Pipeline Magnetic Flux Leakage Inspection system |
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2020
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|---|---|---|---|---|
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| US4675604A (en) * | 1985-08-28 | 1987-06-23 | Exxon Production Research Co. | Computerized and motorized electromagnetic flux leakage internal diameter tubular inspection device |
| CN1828219A (en) * | 2006-04-06 | 2006-09-06 | 上海交通大学 | Intelligent detector for submarine pipeline |
| CN102435669A (en) * | 2010-09-29 | 2012-05-02 | 中国石油大学(北京) | Supporting roller type pipeline inner inspection device and supporting roller type pipeline inner inspection system |
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Address after: No.99, Xiwu lane, Tianjin North Road, high tech Zone, Urumqi, Xinjiang Uygur Autonomous Region Applicant after: Pipe network group (Xinjiang) United Pipeline Co.,Ltd. Address before: No.99, West Wuxiang, Tianjin North Road, Xinshi District, Urumqi, Xinjiang Uygur Autonomous Region Applicant before: PETROCHINA NORTHWEST UNITED PIPELINE CO.,LTD. |
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