CN110118820A - A kind of pipeline high-definition magnetic leakage detection device - Google Patents
A kind of pipeline high-definition magnetic leakage detection device Download PDFInfo
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- CN110118820A CN110118820A CN201910498934.5A CN201910498934A CN110118820A CN 110118820 A CN110118820 A CN 110118820A CN 201910498934 A CN201910498934 A CN 201910498934A CN 110118820 A CN110118820 A CN 110118820A
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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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- 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
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
-
- 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
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/902—Arrangements for scanning by moving the sensors
Abstract
The present invention provides a kind of pipeline high-definition magnetic leakage detection devices, successively include power section, detect section, record section, detection saves the multiple sensing detection devices of circumferential array, data collection capacity is big, sensing detection face is fitted closely with detected face, and signal is accurate, can be realized high definition detection.
Description
Technical field
The present invention relates to a kind of pipeline high-definition magnetic leakage detection devices, belong to pipeline defect detection technical field.
Background technique
Pipeline is the important way of petroleum, natural gas long-distance transportation, and pipeline is in high pressure, long range, rough ambient environmental
Lower work, due to a variety of causes such as transmission medium burn into stress, breakage in installation, natural calamity will cause generated on tube wall it is all kinds of
Defect, these defects have very big harmfulness to the safe operation of pipeline, carry out detection to defect early and refer to lead pipeline maintenance
It works, the important means of service conduit integrality.
Currently, the relatively common In-service testing method of defect of pipeline is Magnetic Flux Leakage Inspecting technology, Magnetic Flux Leakage Inspecting principle is: ferromagnetic
Property steel pipe when sufficiently magnetizing, the magnetic line of force in tube wall is obstructed by the defect at its surface or near surface, the magnetic line of force hair of fault location
Raw distortion, a part of magnetic line of force leak out the inner and outer surfaces of steel pipe, form magnetic flux leakage.Magnetic leakage signal is obtained by magnet-sensitive element
Perception, converts thereof into defect electric signal, these signals are handled through filtering, amplification, analog-to-digital conversion etc., to sentence to defect
It is fixed.However due to the non-linear relation between stray field signal and flaw size, so that according to the clear and accurate identification of magnetic leakage signal
Flaw size becomes a technological difficulties.Further, since pipeline transportation distance, condition is complicated, the series connection of different wall thickness pipe, exists
The features such as tiny flaw, it is desirable that defect detecting device has long continuation of the journey, exceeds the abilities such as curved and undergauge, high-resolution.
The present invention devises a kind of pipeline high-definition magnetic leakage detection device, successively includes power section, detection section, records section, respectively
It is flexibly connected and uses between section；High-performance, chargeable storage group are housed inside power section；Detection saves circumferentially numerous sensings
Detection device, while there is very strong radial compression ability；Record section is supported by support wheel, and is equipped with EDDY CURRENT dress
It sets.Pipeline Magnetic Flux Leakage Inspection device provided by the invention, data collection capacity is big, and sensing detection face is fitted closely with detected face, letter
Number accurate, single-unit is apart from small, and excessively curved strong with undergauge ability, cruising ability is strong, and the high definition that can be realized defect of pipeline effectively detects.
Summary of the invention
The invention proposes a kind of pipeline ultra high-definition leakage magnetic detection device, concrete scheme is as follows:
A kind of pipeline ultra high-definition leakage magnetic detection device with double detection sections, includes power section, detection section and record section, inspection
When survey, each section serial connection is an entirety, and the power is saved in the driving pipeline ultra high-definition leakage magnetic detection device
It moves in the duct, the record is saved in record mileage information, it is characterised in that: the detection section has been arranged circumferentially
Multiple leakage field sensing devices.
Further, the detection section includes cabin and multiple detection units, and the detection unit includes armature, magnetic source
With leakage field sensing device, the leakage field sensing device and magnetic source are mounted on the armature, and the armature passes through front and rear connecting rods
It is fixed in the cabin with detection unit spring.
Further, the armature circumferential the sum of sectional area should be 20-50% or more bigger than the sectional area of duct wall.
Further, the magnetic source has 2, is separately fixed at the both ends of the armature axial direction and the magnetic of 2 magnetic sources
Extremely opposite fixed, the leakage field sensing device is connected to the middle part of the armature by spring.
Further, the leakage field sensing device is three-dimensional Hall sensor.
Further, the power section is driven using power leather cup.
Further, the power section uses high-energy density battery for power source.
Further, eddy current testing device is installed on the record section.
Further, the support wheel of support cabin and the mileage wheel of record mileage are installed on the record section.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention；
Fig. 2 is the power section schematic diagram of one embodiment of the invention；
Fig. 3 is the detection section schematic diagram of one embodiment of the invention；
Fig. 4 is the record section schematic diagram of one embodiment of the invention.
Wherein: 1- power section；2- detection section；3- record section；4- Hooks coupling universal coupling；5- drive end bearing bracket；The front end 6- cover fastener；
Power leather cup before 7-；8- power section cabin；9- battery group；Power leather cup after 10-；11- rear end cap；The rear end 12- cover fastener；
13- detection section cabin；14- front rod；15- detection unit spring；The front end 16- magnet；17- sensing device；18- sensing device bullet
Spring；The rear end 19- magnet；20- armature；21- back link；22- waist-shaped hole；23- record section cabin；24- front support wheel component；25-
Recording unit；26- eddy current testing device；27- rear support wheel component；28- mileage wheel component.
Specific embodiment
With reference to the accompanying drawing to being described in further detail in the present invention:
In one embodiment of the invention:
As shown in Figure 1, a kind of pipeline ultra high-definition leakage magnetic detection device, is saved by power section, detection from front to back and record saves
Composition is respectively connected between section using Hooks coupling universal coupling.
As shown in Fig. 2, the power section (1) includes drive end bearing bracket (5), front end cover fastener (6), preceding power leather cup (7), moves
Power section cabin (8), battery group (9), rear power leather cup (10), rear end cap (11), rear end cover fastener (12)；The drive end bearing bracket
(5) and preceding power leather cup (7) is connected to power section cabin (8) by front end cover fastener (6)；The rear end cap (11) and rear end cap
Rear power leather cup (10) is connected to power section cabin (8) by fastener (12)；The battery group (9) uses rechargeable type, close
Sealing provides power source due in power section cabin (8) for the detection device.Battery uses high-energy density scheme, with
Guarantee the cruising ability of detection device；Pressure difference is jointly before and after the preceding power leather cup (7) utilizes with rear power leather cup (10)
Pipeline high-definition magnetic leakage detection device provides onward impulse, while the excessively curved ability in order to guarantee detection device, preceding power leather cup (7)
With should be in the reasonable scope at a distance from rear power leather cup (10).
As shown in figure 3, detection section (2) include detection section cabin (13), it is front rod (14), detection unit spring (15), preceding
Hold magnet (16), sensing device (17), sensing device spring (18), rear end magnet (19), armature (20), back link (21), waist
Type hole (22)；Armature (20) front and back end passes through front rod (14) respectively, back link (21) is connected with detection section cabin (13)
It connects, back link (21) one end is connected with the waist-shaped hole (22) on detection section cabin (13), and armature (20) lower part passes through detection unit
Spring (15) is connected with detection section cabin (13), and above structure ensure that detection device in the duct on the whole certain undergauge
Ability；In addition, the armature (20) should be 20-50% or more bigger than the sectional area of duct wall in circumferential the sum of sectional area, to protect
Demonstrate,prove the good magnetic efficiency of duct wall；Front end magnet (16) and rear end magnet (19) are separately mounted to the both ends of armature (20), and
Both ends magnetic pole is on the contrary, to guarantee to form magnetization cycle；The sensing device (17) is connected to rank by sensing device spring (18)
Wear-resistant coating is arranged in iron (20), outer surface, and inside arranges multiple three-dimensional Hall sensors, realizes to pipeline magnetic flux leakage signal
High definition detection.
As shown in figure 4, record section (3) further comprises record section cabin (23), front support wheel component (24), recording unit
(25), eddy current testing device (26), rear support wheel component (27), mileage wheel component (28)；The front support wheel component (24) and
Rear support wheel component (27) is connected to record section cabin (23) by bolt arrangement, common to realize that the support to record section is made
With；The eddy current testing device (26) is mounted between front support wheel component (24) and rear support wheel component (27), for identification
The inside and outside wall defect information of pipeline, meanwhile, wear-resistant coating is arranged in outer surface；The rear end of record section cabin (23) is equipped with
Mileage wheel component (28) is bolted to end flange face after record section cabin, and extension spring is arranged in mileage wheel apparatus, real
Now to the accurate record of detection device mileage information.
Claims (9)
1. a kind of pipeline ultra high-definition leakage magnetic detection device with double detection sections, includes power section, detection section and record section, detection
When, each section serial connection is an entirety, and the power is saved to exist in the driving pipeline ultra high-definition leakage magnetic detection device
It is moved in pipeline, the record is saved in record mileage information, it is characterised in that: being arranged circumferentially for the detection section is more
A leakage field sensing device.
2. pipeline high-definition magnetic leakage detection device according to claim 1, which is characterized in that detection section include cabin and
Multiple detection units, the detection unit include armature, magnetic source and leakage field sensing device, the leakage field sensing device and magnetic force
Source is mounted on the armature, and the armature is fixed in the cabin by front and rear connecting rods and detection unit spring.
3. pipeline high-definition magnetic leakage detection device according to claim 2, which is characterized in that the armature is in circumferential section
The sum of product should be 20-50% or more bigger than the sectional area of duct wall.
4. pipeline high-definition magnetic leakage detection device according to claim 2, which is characterized in that the magnetic source has 2, respectively
The magnetic pole at the both ends and 2 magnetic sources that are fixed on the armature axial direction is fixed on the contrary, and the leakage field sensing device is connected by spring
It connects at the middle part of the armature.
5. pipeline high-definition magnetic leakage detection device according to claim 4, which is characterized in that the leakage field sensing device is three
To Hall sensor.
6. pipeline high-definition magnetic leakage detection device according to claim 1, which is characterized in that the power section uses power skin
Bowl is driven.
7. pipeline high-definition magnetic leakage detection device according to claim 1, which is characterized in that the power section uses high-energy
Density battery is power source.
8. pipeline high-definition magnetic leakage detection device according to claim 1, which is characterized in that be equipped with whirlpool on the record section
Flow detection device.
9. pipeline high-definition magnetic leakage detection device according to claim 8, which is characterized in that be equipped with branch on the record section
Support the support wheel of cabin and the mileage wheel of record mileage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498934.5A CN110118820A (en) | 2019-06-11 | 2019-06-11 | A kind of pipeline high-definition magnetic leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498934.5A CN110118820A (en) | 2019-06-11 | 2019-06-11 | A kind of pipeline high-definition magnetic leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110118820A true CN110118820A (en) | 2019-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910498934.5A Pending CN110118820A (en) | 2019-06-11 | 2019-06-11 | A kind of pipeline high-definition magnetic leakage detection device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1828284A (en) * | 2006-04-06 | 2006-09-06 | 上海交通大学 | Pipe detection defect positioning system |
| CN104764801A (en) * | 2015-04-08 | 2015-07-08 | 沈阳仪表科学研究院有限公司 | Magnetic leakage corrosion track detector for inner wall of pipeline |
| CN204536267U (en) * | 2015-04-08 | 2015-08-05 | 沈阳仪表科学研究院有限公司 | Inner-walls of duct flux leakage corrosion footpath detecting device |
| CN106152931A (en) * | 2016-08-25 | 2016-11-23 | 何仕刚 | The high performance pipeline geometry deformation detector measured based on space magnetic field |
| 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 |
| CN108426943A (en) * | 2018-04-27 | 2018-08-21 | 武汉大学 | A kind of pipeline magnetic flux leakage detection device of variable-diameter |
| CN207908434U (en) * | 2018-01-19 | 2018-09-25 | 沈阳仪表科学研究院有限公司 | A kind of multifunctional combination probe for pipeline detection |
-
2019
- 2019-06-11 CN CN201910498934.5A patent/CN110118820A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1828284A (en) * | 2006-04-06 | 2006-09-06 | 上海交通大学 | Pipe detection defect positioning system |
| CN104764801A (en) * | 2015-04-08 | 2015-07-08 | 沈阳仪表科学研究院有限公司 | Magnetic leakage corrosion track detector for inner wall of pipeline |
| CN204536267U (en) * | 2015-04-08 | 2015-08-05 | 沈阳仪表科学研究院有限公司 | Inner-walls of duct flux leakage corrosion footpath detecting device |
| CN106152931A (en) * | 2016-08-25 | 2016-11-23 | 何仕刚 | The high performance pipeline geometry deformation detector measured based on space magnetic field |
| 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 |
| CN207908434U (en) * | 2018-01-19 | 2018-09-25 | 沈阳仪表科学研究院有限公司 | A kind of multifunctional combination probe for pipeline detection |
| CN108426943A (en) * | 2018-04-27 | 2018-08-21 | 武汉大学 | A kind of pipeline magnetic flux leakage detection device of variable-diameter |
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