CN208297422U - Gas pipeline endosexine defect Air Coupling ultrasound detection array probe device - Google Patents
Gas pipeline endosexine defect Air Coupling ultrasound detection array probe device Download PDFInfo
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- CN208297422U CN208297422U CN201820834494.7U CN201820834494U CN208297422U CN 208297422 U CN208297422 U CN 208297422U CN 201820834494 U CN201820834494 U CN 201820834494U CN 208297422 U CN208297422 U CN 208297422U
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- probe
- coupling
- endosexine
- gas pipeline
- gas
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to gas pipeline endosexine technical field of nondestructive testing, and in particular to a kind of array probe device.A kind of gas pipeline endosexine defect Air Coupling ultrasound detection array probe device, it includes: thin-walled cylinder, Air Coupling ultrasonic probe group, probe mounting plate, sound insulationg board and traveling wheel；Air Coupling ultrasonic probe group includes: sky coupling incentive probe and empty coupling receiving transducer；Mounting plate pop one's head in along the circumferential equidistant installation of thin-walled cylinder；Empty coupling incentive probe and empty coupling receiving transducer are mounted on probe mounting plate, and centre is separated by sound insulationg board；Traveling wheel is mounted on thin-walled cylinder both ends.The utility model arranges empty coupling incentive probe in the form of an array, by adjusting the incidence angle and acceptance angle of empty coupling incentive probe and empty coupling receiving transducer, ultrasound is set to emit and receive by gas coupled modes, ultrasound generates in tube wall endosexine and propagates surface wave, the defects of contactless detection gas pipeline endosexine crackle, realize the detection to pipeline circumferential direction full angle.
Description
Technical field
The utility model relates to gas pipeline endosexine technical field of nondestructive testing, and in particular to a kind of array probe dress
It sets.
Background technique
The gases such as natural gas are widely used in industrial production and daily life as the important energy, for we with
It is greatly convenient to have come.Natural gas mainly passes through what pipeline was transported, with the development of economy and society, the demand of natural gas
Amount sharply increases, and the length of natural-gas transfer pipeline also sharply increases.With the increase of pipeline service time, military service pipeline is because of gas
The corrosiveness of body, environment and pressure loading effect and aging gradually occurs, easily crack and corrode etc. on pipeline surface layer and is scarce
It falls into, when extension occurs for crackle and corrosion depth is deepened, booster or cracking leakage easily occur for duct wall intensity decline, pipeline,
So as to cause catastrophic consequence.It therefore, is oil-gas pipeline for the Ultrasonic NDT of long distance gas transmission pipeline surface defect
One important engineering problem urgently to be resolved of conveying industries research.
Supercritical ultrasonics technology is crackle, stomata and comparative maturity effective method the defects of be mingled in a kind of detection gas pipeline.
For the nondestructive testing in service of the endosexine defect of gas pipeline, conventional coupled modes are less applicable in, and utilize air coupling at this time
The mode of conjunction is a kind of effective method detect, it is therefore desirable to develop the battle array of Air Coupling ultrasound detection in gas pipeline
Column probe apparatus.
Currently, the online technical field of nondestructive testing of gas pipeline by it is widely applied be Magnetic Flux Leakage Inspecting technology, the party
Method is more sensitive to pipeline corrosion default, and Technical comparing is mature, but insensitive for pipeline crack defect, and detectability needs to be mentioned
It is high.
Utility model content
The purpose of this utility model is: to make up the deficiencies in the prior art, it is empty to provide a kind of gas pipeline endosexine defect
Gas coupling ultrasonic detects array probe device.
The technical solution of the utility model is: a kind of gas pipeline endosexine defect Air Coupling ultrasound detection array probe
Device, it includes: thin-walled cylinder, Air Coupling ultrasonic probe group, probe mounting plate, sound insulationg board and traveling wheel；
Thin-walled cylinder is for installing probe mounting plate and traveling wheel, it is desirable that its material has certain intensity, not variable
Shape, outer diameter are determined according to gas pipeline internal diameter to be detected；
Air Coupling ultrasonic probe group sends out debit's formula using pair-wise combination one, comprising: empty coupling incentive probe and empty coupling
Receiving transducer；The shape of empty coupling incentive probe and empty coupling receiving transducer is generally cuboid or cylindrical body；
More than one probe mounting plate is along the circumferential equidistant installation of thin-walled cylinder；
Empty coupling incentive probe and empty coupling receiving transducer are mounted on probe mounting plate, and centre is separated by sound insulationg board；Sound insulation
Plate is used to obstruct the ultrasound that empty coupling incentive probe issues and is passed to empty coupling receiving transducer by gas, guarantees that empty coupling receiving transducer receives
To ultrasonic signal be propagated through from tube wall endosexine come；
When work, empty coupling incentive probe and empty coupling receiving transducer pass through away from gas pipeline tube wall spacing 0.1mm~20mm
Gas medium coupling is detected, and the acceptance angle of the incidence angle of empty coupling incentive probe and empty coupling receiving transducer is to be equal to or omit
Greater than the second critical angle of gas and pipe line steel medium interface；
Traveling wheel is mounted on thin-walled cylinder both ends, and the present apparatus can be axially moved by traveling wheel along gas pipeline, realizes length
Distance detection.
Further, probe mounting plate is laterally or longitudinally arranged in thin-walled cylinder circumferential direction；When lateral arrangement, for defeated
Feed channel endosexine longitudinal defect is detected；When being longitudinally arranged, for being detected to gas pipeline endosexine transverse defect.
Further, it is contemplated that the installation space of Air Coupling ultrasonic probe group, thin-walled cylinder are equipped with a circle or more
Probe mounting plate；Be staggered set angle between every circle probe mounting plate, and Air Coupling ultrasonic probe group is mounted on probe mounting plate
On, realization detects 360 ° of gas pipeline.
Further, array probe device further include: the sensor unit being mounted on thin-walled cylinder；Sensor unit packet
Include but be not limited to: gap is passed apart from detection probe, gas pressure sensor, Gas Density Sensor, gas temperature and humidity
Sensor, inclination angle and posture and odometer sensor；Sensor unit is used to record the shake when movement of Air Coupling ultrasonic probe group
Or the data such as vibration degree, the pressure of gas medium, density, temperature, humidity, the obliquity and attitude of device and mileage, to detection
Data compensate and correct, and realize and detect to the high-precision of pipeline endosexine defect.
The utility model has the advantages that the utility model arranges empty coupling incentive probe in the form of an array, by adjusting empty coupling incentive probe
And the incidence angle and acceptance angle of empty coupling receiving transducer, so that ultrasound is emitted and is received by gas coupled modes, ultrasound is in tube wall
The defects of endosexine generates and propagate surface wave, contactless detection gas pipeline endosexine crackle, realizes and lacks to pipeline
Fall into the detection of circumferential direction full angle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2.
Specific embodiment
Embodiment 1, referring to attached drawing 1, a kind of gas pipeline endosexine defect Air Coupling ultrasound detection array probe device,
It includes: thin-walled cylinder 1, Air Coupling ultrasonic probe group, probe mounting plate 3, sound insulationg board 4 and traveling wheel 6；
Thin-walled cylinder 1 is for installing probe mounting plate 3 and traveling wheel 6, it is desirable that its material has certain intensity, is not easy
Deformation；The outer diameter of thin-walled cylinder 1 is determined according to gas pipeline internal diameter to be detected, generally between 100~200mm, thickness one
As be 5~10mm, it is true that length comprehensively considers group number, spacing and traveling wheel installation site of Air Coupling ultrasonic probe group etc.
It is fixed；
The frequency of Air Coupling ultrasonic probe group sends out debit's formula between 20~1000KHz, using pair-wise combination one；It is empty
Gas coupling ultrasonic probe group includes: sky coupling incentive probe 2 and empty coupling receiving transducer 5；Empty coupling incentive probe 2 and empty coupling are received
The shape of probe 5 is generally cuboid or cylindrical body；
More than one probe mounting plate 3 is along the circumferential equidistant installation of thin-walled cylinder 1；Mounting plate 3 is popped one's head in this example along thin
Wall cylinder 1 is circumferential to be longitudinally arranged, for detecting to gas pipeline endosexine transverse defect；
Empty coupling incentive probe 2 and empty coupling receiving transducer 5 are mounted on probe mounting plate 3, and centre is separated by sound insulationg board 4；
Sound insulationg board 4 is used to obstruct the ultrasound that empty coupling incentive probe 2 issues and is passed to empty coupling receiving transducer 5 by gas, guarantees empty coupling receipts
The ultrasonic signal that probe 5 receives is to be propagated through to come from tube wall endosexine；
When work, empty coupling incentive probe 2 and empty coupling receiving transducer 5 lead to away from gas pipeline tube wall spacing 0.1mm~20mm
It crosses gas medium coupling to be detected, the acceptance angle of the incidence angle of empty coupling incentive probe 2 and empty coupling receiving transducer 5 is to be equal to
Or the second critical angle slightly larger than gas and pipe line steel medium interface；
In this example, traveling wheel 6 totally six, 1 both ends of thin-walled cylinder are separately mounted to, by traveling wheel 6, the present apparatus can be along defeated
Feed channel is axially moved, and is realized and is detected over long distances.
Further, it is contemplated that the installation space of Air Coupling ultrasonic probe group, thin-walled cylinder 1 are equipped with a circle or more
Probe mounting plate 3；Be staggered set angle between every circle probe mounting plate 3, and Air Coupling ultrasonic probe group is mounted on probe installation
On plate 3, realization detects 360 ° of gas pipeline.
Further, array probe device further include: the sensor unit 7 being mounted on thin-walled cylinder 1；Sensor unit
7 include but is not limited to: gap or apart from detection probe, gas pressure sensor, Gas Density Sensor, gas temperature and humidity
Sensor, inclination angle and posture and odometer sensor；Trembling when sensor unit 7 is used to record the movement of Air Coupling ultrasonic probe group
The data such as dynamic or vibration degree, the pressure of gas medium, density, temperature, humidity, the obliquity and attitude of device and mileage, to inspection
Measured data compensates and corrects, and realizes and detects to the high-precision of pipeline endosexine defect.Sensor unit 7 can arrange one group or more
Group.
Embodiment 2, referring to attached drawing 2, a kind of gas pipeline endosexine defect Air Coupling ultrasound detection array probe device,
It is essentially identical with scheme described in embodiment 1, the difference is that:
In this example, probe mounting plate 3 is along the circumferential lateral arrangement of thin-walled cylinder 1, for longitudinally lacking to gas pipeline endosexine
It is trapped into capable detection.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (5)
1. a kind of gas pipeline endosexine defect Air Coupling ultrasound detection array probe device, it is characterised in that: it includes: thin
Wall cylinder (1), Air Coupling ultrasonic probe group, probe mounting plate (3), sound insulationg board (4) and traveling wheel (6)；
The Air Coupling ultrasonic probe group includes: sky coupling incentive probe (2) and empty coupling receiving transducer (5)；
The more than one probe mounting plate (3) is along the circumferential equidistant installation of the thin-walled cylinder (1)；
The sky coupling incentive probe (2) and the empty coupling receiving transducer (5) are mounted on the probe mounting plate (3), intermediate
It is separated by the sound insulationg board (4)；When work, the sky coupling incentive probe (2) and the empty coupling receiving transducer (5) are away from appendix
Road tube wall spacing 0.1mm~20mm, by gas medium coupling detected, it is described sky coupling incentive probe (2) incidence angle with
And the acceptance angle of the empty coupling receiving transducer (5) is equal to or more than the second critical angle of gas and pipe line steel medium interface；
The traveling wheel (6) is mounted on the thin-walled cylinder (1) both ends.
2. a kind of gas pipeline endosexine defect Air Coupling ultrasound detection array probe device as described in claim 1,
Be characterized in that: the probe mounting plate (3) is laterally or longitudinally arranged in the thin-walled cylinder (1) circumferential direction；When lateral arrangement, use
It is detected in gas pipeline endosexine longitudinal defect；When being longitudinally arranged, for gas pipeline endosexine transverse defect into
Row detection.
3. a kind of gas pipeline endosexine defect Air Coupling ultrasound detection array probe device as claimed in claim 1 or 2,
It is characterized by: being equipped with the probe mounting plate (3) of a circle or more on the thin-walled cylinder (1)；Every circle probe peace
Be staggered set angle between loading board (3).
4. a kind of gas pipeline endosexine defect Air Coupling ultrasound detection array probe device as claimed in claim 1 or 2,
It is characterized by: the array probe device further include: the sensor unit (7) being mounted on the thin-walled cylinder (1).
5. a kind of gas pipeline endosexine defect Air Coupling ultrasound detection array probe device as claimed in claim 4,
Be characterized in that: the sensor unit (7) includes: gap or senses apart from detection probe, gas pressure sensor, gas density
Device, gas temperature and humidity sensor, inclination angle and posture and odometer sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834494.7U CN208297422U (en) | 2018-05-31 | 2018-05-31 | Gas pipeline endosexine defect Air Coupling ultrasound detection array probe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834494.7U CN208297422U (en) | 2018-05-31 | 2018-05-31 | Gas pipeline endosexine defect Air Coupling ultrasound detection array probe device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297422U true CN208297422U (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820834494.7U Expired - Fee Related CN208297422U (en) | 2018-05-31 | 2018-05-31 | Gas pipeline endosexine defect Air Coupling ultrasound detection array probe device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274958A (en) * | 2019-07-22 | 2019-09-24 | 南昌航空大学 | Non-fragment orbit board checking device based on Air Coupling ultrasound |
| CN111044611A (en) * | 2019-12-13 | 2020-04-21 | 首钢京唐钢铁联合有限责任公司 | Method and device for detecting internal quality of steel plate |
-
2018
- 2018-05-31 CN CN201820834494.7U patent/CN208297422U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274958A (en) * | 2019-07-22 | 2019-09-24 | 南昌航空大学 | Non-fragment orbit board checking device based on Air Coupling ultrasound |
| CN111044611A (en) * | 2019-12-13 | 2020-04-21 | 首钢京唐钢铁联合有限责任公司 | Method and device for detecting internal quality of steel plate |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 Termination date: 20190531 |