CN110118818A - A kind of detection unit misplaces the pipeline ultra high-definition leakage magnetic detection device of arrangement end to end - Google Patents
A kind of detection unit misplaces the pipeline ultra high-definition leakage magnetic detection device of arrangement end to end Download PDFInfo
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- CN110118818A CN110118818A CN201910498900.6A CN201910498900A CN110118818A CN 110118818 A CN110118818 A CN 110118818A CN 201910498900 A CN201910498900 A CN 201910498900A CN 110118818 A CN110118818 A CN 110118818A
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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
- G01N27/9013—Arrangements for scanning
- G01N27/902—Arrangements for scanning by moving the sensors
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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
- G01N27/904—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 with two or more sensors
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
It misplaces end to end the pipeline ultra high-definition leakage magnetic detection device of arrangement the present invention provides a kind of detection unit, include power section, detection section and record section, power section, detection section and record section series connection use for an entirety, being equipped in the detection section circumferentially has detection unit, and the detection unit is arranged in the form of misplacing end to end.
Description
Technical field
The present invention relates to a kind of pipeline ultra high-definition leakage magnetic detection devices with double detection sections, belong to pipeline defect detection skill
Art 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 limited by pipeline structure space, defect of pipeline circumferential direction all standing measurement is not implemented in the prior art, cannot achieve super
High definition detection；Simultaneously as the non-linear relation between stray field signal and flaw size, is determined using artificial intelligence approach and is leaked
The quantitative relationship of magnetic signal and flaw size is also a technological difficulties.
The present invention devises a kind of detection unit and misplaces end to end the pipeline ultra high-definition leakage magnetic detection device of arrangement, successively includes
Power section, detection section, record section, pass through Hooks coupling universal coupling connection between everybody；Power section is driven by front and back leather cup, inside dress
There is chargeable storage group；Support wheel component and eddy current testing device in record section all have a wide range of radial compression ability.
Detection unit provided by the invention misplaces the Pipeline Magnetic Flux Leakage Inspection device of arrangement end to end, is equipped with multiple rows of three-dimensional suddenly inside detection unit
That sensor realizes pipeline circumferential direction all standing measurement, being capable of ultra high-definition detection；Sensing detection face is fitted closely with detected face,
Data collection capacity is big, carries out data analysis based on big data and intelligent algorithm, signal is accurate；Single-unit is apart from small, leakage field inspection
Survey device is excessively curved strong with undergauge ability, and cruising ability is strong.
Summary of the invention
The invention proposes a kind of pipeline ultra high-definition leakage magnetic detection device of detection unit interlaced arrangement end to end, concrete schemes
It is as follows:
A kind of pipeline ultra high-definition leakage magnetic detection device of detection unit interlaced arrangement end to end, comprising power section, detection section and
Record section, when detection, each section serial connection is an entirety, and the power is saved in driving the pipeline ultra high-definition leakage field
Detection device moves in the duct, and the record is saved in record mileage information, which is characterized in that is equipped with week in the detection section
To detection unit is disposed with, the detection unit is arranged in the form of misplacing end to end.
Further, the detection unit of the arrangement that misplaces end to end is made of magnet, sensing device and armature, the sensing
Device is connect by sensing device spring with the armature, and the magnet has 2 pieces, is fixedly connected on two axis of the armature
To end, the armature is connect by detection unit spring with detection section cabin.
Further, the sensing device is made of left-hand sensing device and dextrad sensing device, the left-hand sensing dress
It sets left side and is disposed with three-dimensional Hall sensor, intermediate arrangement has detection box, and right side is disposed with eddy current sensor；The dextrad sensing
It is disposed with three-dimensional Hall sensor on the right side of device, intermediate arrangement has detection box, and left side is disposed with eddy current sensor.
Further, the circumferential gap of the left-hand sensing device and the adjacent dextrad sensing device and adjacent magnets
Circumferential gap is identical.
Further, the left-hand sensing device is equal to the dextrad sensing device and the right side at a distance from the magnet of left part
The distance of the magnet of end.
Further, the power section is driven using power leather cup.
Further, support wheel component and mileage wheel component be installed, the support wheel component and inner on record section
Journey wheel component and record section cabin elastic connection, the mileage wheel component transmit mileage information to the device of record mileage.
Further, eddy current testing device is installed in the record section cabin.
Further, the pipeline ultra high-definition leakage magnetic detection device of detection unit interlaced arrangement end to end using battery or
Battery group is as power source.
Further, the battery or battery group are rechargeable type.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment in the present invention；
Fig. 2 is the power section structure schematic diagram of one embodiment in the present invention；
Fig. 3 is the detection section structure schematic diagram of one embodiment in the present invention；
Fig. 4 is the record section structure schematic diagram of one embodiment in the present invention；
Fig. 5 is the sectional view along A-A of the detection section of one embodiment in the present invention；
Fig. 6 be the present invention in one embodiment detection section B to expansion view；
Fig. 7 is the detection unit sensor arrangement figure of one embodiment in the present 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；1701- left-hand sensing
Device；1702- dextrad sensing device；18- sensing device spring；The rear end 19- magnet；20- armature；21- back link；22- waist type
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；29- three-dimensional Hall sensor；30- detects box；31- eddy current sensor.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing:
In one embodiment of the invention:
As shown in Figure 1, the pipeline ultra high-definition leakage magnetic detection device of interlaced arrangement includes to move to a kind of detection unit end to end
Power section (1), detection section (2), record section (3), between power section (1) and detection section (2), between detection section (2) and record section (3)
Connected by Hooks coupling universal coupling (4).
As shown in Fig. 2, power section (1) further comprise drive end bearing bracket (5), front end cover fastener (6), preceding power leather cup (7),
Power section cabin (8), battery group (9), rear power leather cup (10), rear end cap (11), rear end cover fastener (12)；The front end
It covers (5) and front end cover fastener (6) and preceding power leather cup (7) is connected to power section cabin (8)；The rear end cap (11) and rear end
Rear power leather cup (10) is connected to power section cabin (8) by cover fastener (12)；The battery group (9) uses rechargeable type,
Electric energy is provided for this detection device to be detected, is sealingly fastened in power section cabin (8), and battery is close using high-energy
Degree scheme, to guarantee the cruising ability of detection device；The preceding power leather cup (7) and rear power leather cup (10) utilize front and back pressure
It is poor to provide onward impulse, while the excessively curved ability in order to guarantee detection device, preceding power jointly for pipeline superleak magnetic detection device
Leather cup (7) should be in the reasonable scope at a distance from rear power leather cup (10).
As shown in figure 3, detection section (2) further comprises detection section cabin (13), front rod (14), detection unit spring
(15), front end magnet (16), sensing device (17), sensing device spring (18), rear end magnet (19), armature (20), back link
(21), waist-shaped hole (22)；Armature (20) front and back end passes through front rod (14), back link (21) and detection section cabin respectively
(13) it is connected, 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 has one in the duct on the whole
Fixed undergauge ability；In addition, the armature (20) the sum of circumferential sectional area should it is 20-50% bigger than the sectional area of duct wall with
On, to guarantee the good magnetic efficiency of duct wall；Front end magnet (16) and rear end magnet (19) are separately mounted to armature (20)
Both ends, and both ends magnetic pole is on the contrary, to guarantee to form magnetization cycle；The sensing device (17) is connected by sensing device spring (18)
It is connected to armature (20), outer surface sprayed wc wear-resistant coating, 0.5~1mm of thickness, inside arranges multiple three-dimensional Halls and passes
Sensor realizes the super detection to pipeline magnetic flux leakage signal.
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.
As shown in figure 5, detection section (2) each detection unit is circumferentially uniformly distributed, angle is θ between each unit, and is detected single
First quantity is even number, and under the premise of guaranteeing device undergauge ability, circumferential detection unit quantity is as more as possible, for 12 writing brush roads
Ultra high-definition leakage magnetic detection device, circumferential detection unit quantity are set as 16.
As shown in fig. 6, sensing device is using the arrangement form that misplaces end to end, left-hand sensing device (1701) and adjacent dextrad
Circumferential gap between sensing device (1702) is d2, and the circumferential gap of adjacent magnets is d1, the two values answer it is equal, i.e.,
D1=d2；The gap of front end magnet and sensing device is d3, and the gap of rear end magnet and sensing device is d4, the two values
Also equal, i.e. d3=d4 is answered.
As shown in fig. 7, further, sensing device is by three-dimensional Hall sensor (29), detection box (30), eddy current sensor
(31) it forms.Three-dimensional Hall sensor (29) are arranged in stub end, and at least 2 rows realize the signal all standing of pipeline circumferential direction；In microcephaly
At least one eddy current sensor (31) is arranged at end；The ratio between width c and the width d of small head end of stub end are about 2:1, stub end
Length a should be less than the length b of small head end, for 12 writing brush road ultra high-definition leakage magnetic detection devices, preferably, a ratio b it is small by 2~
5mm。
Claims (10)
1. a kind of pipeline ultra high-definition leakage magnetic detection device of detection unit interlaced arrangement end to end includes power section, detection section and note
Record section, when detection, each section serial connection is an entirety, and the power is saved in driving the pipeline ultra high-definition leakage field inspection
It surveys device to move in the duct, the record is saved in record mileage information, which is characterized in that be equipped in the detection section circumferential
It is disposed with detection unit, the detection unit is arranged in the form of misplacing end to end.
2. the pipeline ultra high-definition leakage magnetic detection device of detection unit according to claim 1 interlaced arrangement end to end, feature
It is, the detection unit of the arrangement that misplaces end to end is made of magnetic source, sensing device and armature, and the sensing device passes through biography
Induction device spring is connect with the armature, and the magnetic source has 2, is respectively fixedly connected with two axial ends in the armature
Portion, the armature are connect by detection unit spring with detection section cabin.
3. the pipeline ultra high-definition leakage magnetic detection device of detection unit according to claim 2 interlaced arrangement end to end, feature
It is, the sensing device is made of left-hand sensing device and dextrad sensing device, is disposed on the left of the left-hand sensing device
Three-dimensional Hall sensor, intermediate arrangement have detection box, and right side is disposed with eddy current sensor；Arrangement on the right side of the dextrad sensing device
There is three-dimensional Hall sensor, intermediate arrangement has detection box, and left side is disposed with eddy current sensor.
4. the pipeline ultra high-definition leakage magnetic detection device of detection unit according to claim 3 interlaced arrangement end to end, special
Sign is, the left-hand sensing device and the circumferential gap of the adjacent dextrad sensing device and the circumferential gap phase of adjacent magnets
Together.
5. the pipeline ultra high-definition leakage magnetic detection device of detection unit according to claim 4 interlaced arrangement end to end, special
Sign is that the left-hand sensing device is equal to the magnet of the dextrad sensing device and right part at a distance from the magnet of left part
Distance.
6. the pipeline ultra high-definition Magnetic Flux Leakage Inspecting of the interlaced arrangement end to end of detection unit described in any one of -5 according to claim 1
Device, which is characterized in that the power section is driven using power leather cup.
7. the pipeline ultra high-definition Magnetic Flux Leakage Inspecting of the interlaced arrangement end to end of detection unit described in any one of -5 according to claim 1
Device, which is characterized in that be equipped with support wheel component and mileage wheel component, the support wheel component and mileage on the record section
Wheel component and record section cabin elastic connection, the mileage wheel component transmit mileage information to the device of record mileage.
8. the pipeline ultra high-definition Magnetic Flux Leakage Inspecting of the interlaced arrangement end to end of detection unit described in any one of -5 according to claim 1
Device, which is characterized in that be equipped with eddy current testing device in the record section cabin.
9. the pipeline ultra high-definition Magnetic Flux Leakage Inspecting of the interlaced arrangement end to end of detection unit described in any one of -5 according to claim 1
Device, which is characterized in that the pipeline ultra high-definition leakage magnetic detection device of detection unit interlaced arrangement end to end using battery or
Battery group is as power source.
10. the pipeline ultra high-definition leakage magnetic detection device of detection unit according to claim 3 interlaced arrangement end to end, feature
It is, the sensor has a stub end and a small head end, and the width ratio of the stub end and the small head end is 2:
1。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498900.6A CN110118818A (en) | 2019-06-11 | 2019-06-11 | A kind of detection unit misplaces the pipeline ultra high-definition leakage magnetic detection device of arrangement end to end |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498900.6A CN110118818A (en) | 2019-06-11 | 2019-06-11 | A kind of detection unit misplaces the pipeline ultra high-definition leakage magnetic detection device of arrangement end to end |
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| CN110118818A true CN110118818A (en) | 2019-08-13 |
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| CN201910498900.6A Pending CN110118818A (en) | 2019-06-11 | 2019-06-11 | A kind of detection unit misplaces the pipeline ultra high-definition leakage magnetic detection device of arrangement end to end |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579635A (en) * | 2020-06-24 | 2020-08-25 | 智云安科技(北京)有限公司 | Floated magnetic leakage detection module |
| CN113640370A (en) * | 2021-08-09 | 2021-11-12 | 中国石油大学(北京) | Pipeline magnetic flux leakage detector capable of realizing variable-direction excitation |
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| CN1865976A (en) * | 2006-06-16 | 2006-11-22 | 清华大学 | Large-area steel plate defect flux-leakage detection method |
| 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 |
| CN107388048A (en) * | 2017-08-25 | 2017-11-24 | 上海市特种设备监督检验技术研究院 | Detection inside and outside wall defect distinguishing sensor and identification and evaluation method in pipe leakage |
| 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 |
| CN210155074U (en) * | 2019-06-11 | 2020-03-17 | 智云安科技(北京)有限公司 | Pipeline ultrahigh-definition magnetic flux leakage detection device with detection units arranged in head-tail staggered manner |
| CN111579636A (en) * | 2020-06-24 | 2020-08-25 | 智云安科技(北京)有限公司 | Odd-even staggered magnetic flux leakage detector |
-
2019
- 2019-06-11 CN CN201910498900.6A patent/CN110118818A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865976A (en) * | 2006-06-16 | 2006-11-22 | 清华大学 | Large-area steel plate defect flux-leakage detection method |
| 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 |
| CN107388048A (en) * | 2017-08-25 | 2017-11-24 | 上海市特种设备监督检验技术研究院 | Detection inside and outside wall defect distinguishing sensor and identification and evaluation method in pipe leakage |
| 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 |
| CN210155074U (en) * | 2019-06-11 | 2020-03-17 | 智云安科技(北京)有限公司 | Pipeline ultrahigh-definition magnetic flux leakage detection device with detection units arranged in head-tail staggered manner |
| CN111579636A (en) * | 2020-06-24 | 2020-08-25 | 智云安科技(北京)有限公司 | Odd-even staggered magnetic flux leakage detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579635A (en) * | 2020-06-24 | 2020-08-25 | 智云安科技(北京)有限公司 | Floated magnetic leakage detection module |
| CN113640370A (en) * | 2021-08-09 | 2021-11-12 | 中国石油大学(北京) | Pipeline magnetic flux leakage detector capable of realizing variable-direction excitation |
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