CN208621565U - CNG gas storage well sleeve detection system and the comprehensive probe of CNG gas storage well sleeve detection - Google Patents
CNG gas storage well sleeve detection system and the comprehensive probe of CNG gas storage well sleeve detection Download PDFInfo
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- CN208621565U CN208621565U CN201821052427.6U CN201821052427U CN208621565U CN 208621565 U CN208621565 U CN 208621565U CN 201821052427 U CN201821052427 U CN 201821052427U CN 208621565 U CN208621565 U CN 208621565U
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Abstract
The application belongs to the comprehensive probe of special equipment detection field more particularly to CNG gas storage well sleeve detection system and the detection of CNG gas storage well sleeve.For the lower problem of accuracy in detection of the existing ultrasonic probe to the corrosion of CNG gas storage well sleeve and crackle, the application provides a kind of CNG gas storage well sleeve detection system, the CNG gas storage well sleeve detection system includes comprehensive probe, ultrasonic module, laser module, digital circuit firmware and modem are provided in the comprehensive probe, the ultrasonic module is sequentially connected with the digital circuit firmware, the modem, and the laser module is connect with the modem.The preliminary scanning of the ultrasonic probe of the application goes out the pattern and distribution situation of the defects of casing deformation, face burn into hole burn into axial direction slight crack, circumferential slight crack, laser probe further refines the specific location of confirmation drawbacks described above and the dimensional conditions of each defect, to improve the accuracy in detection to CNG gas storage well sleeve corrosion and crackle.
Description
Technical field
The application belongs to special equipment detection field more particularly to CNG gas storage well sleeve detection system and CNG gas storage well set
The comprehensive probe of pipe detection.
Background technique
CNG gas storage well is a kind of novel gas storage equipment, is a kind of special peace for the purpose of storing compressed natural gas body
Mounted in underground, pipe vertical pressure vessel, casing programme is connected using screw thread (welding), and operating pressure is up to 25MPa, is had
Have the advantages that small occupied area, high safety, operating cost be low, simple and convenient operation and maintenance.But the buried underground of gas storage well sleeve is (most deep
Up to 260m), due to stratum electrochemistry, fatigue corrosion etc., it will cause CNG gas storage well sleeve and slight change locally occur, than
Such as deform, there are great security risks for burn into slight crack, thus to gas storage well carry out regularly condition detection seem to
It closes important.
Detection means used in special equipment Inspection Unit, whole nation each province predominantly utilizes ultrasonic probe to gas storage at present
This single parameter of the wall thickness of casing is detected, and however as the continuous development of industrialized level, Development of China's Urbanization is not
Disconnected to accelerate, CNG gas storage well increases, only by the construction quality and operating status of this parameter of wall thickness reaction CNG gas storage well
It is much unsatisfactory for periodic inspection and regulatory requirements.
Chinese patent, publication number CN103134855B, publication date 2015.08.12, it discloses one kind to be used for gas storage well well
The well for storage borehole wall of wall wall thickness Corrosion monitoring and crack-detecting automates comprehensive detection system and detection method.The system packet
Include host computer, position-measurement device, cable lifter, DC power supply and the mobile detector of underground on well.The invention
Mobile detector in be equipped with wall thickness Corrosion monitoring probe group and crack detection probe group, so as to be completed at the same time to wall thickness corruption
The detection of erosion and crackle, it is not high to the accuracy of the detection of corrosion and crackle.
In conclusion existing ultrasonic probe corrodes to CNG gas storage well sleeve and the accuracy in detection of crackle is lower.
Summary of the invention
1, it to solve the problems, such as
For the lower problem of accuracy in detection of the existing ultrasonic probe to the corrosion of CNG gas storage well sleeve and crackle, this Shen
A kind of CNG gas storage well sleeve detection system please be provide, the CNG gas storage well sleeve detection system includes comprehensive probe, described
Be provided with ultrasonic module, laser module, digital circuit firmware and modem in comprehensive probe, the ultrasonic module with it is described
Digital circuit firmware, the modem are sequentially connected, and the laser module is connect with the modem.The application's
The preliminary scanning of ultrasonic probe goes out pattern and the distribution of the defects of casing deformation, face burn into hole burn into axial direction slight crack, circumferential slight crack
Situation, laser probe further refines the specific location of confirmation drawbacks described above and the dimensional conditions of each defect, thus raising pair
The accuracy in detection of CNG gas storage well sleeve corrosion and crackle.The application also provides a kind of detection of CNG gas storage well sleeve with comprehensive simultaneously
Close probe.
2, technical solution
To solve the above problems, the application adopts the following technical scheme that.
A kind of CNG gas storage well sleeve detection system, the CNG gas storage well sleeve detection system include comprehensive probe, institute
It states in comprehensive probe and is provided with ultrasonic module, laser module, digital circuit firmware and modem, the ultrasonic module and institute
State digital circuit firmware, the modem is sequentially connected, the laser module is connect with the modem.
Preferably, the comprehensive probe further includes gyroscope, and the gyroscope is connect with the modem.
Preferably, the CNG gas storage well sleeve detection system further includes the first cable, the second cable and third cable, institute
The first end for stating the first end of the first cable, the first end of second cable and the third cable connects with modem
It connects, the first signal that first cable is used for transmission the ultrasonic module acquisition and modulated demodulator processes obtain is described
First cable provides electric current transmission channel for the ultrasonic module, and second cable is used for transmission the laser module acquisition simultaneously
The second signal that modulated demodulator processes obtain, second cable provide electric current transmission channel, institute for the laser module
State the third signal that third cable is used for transmission the gyroscope acquisition and modulated demodulator processes obtain, the third cable
Electric current transmission channel is provided for the gyroscope.
Preferably, the CNG gas storage well sleeve detection system further includes hoister system, and the hoister system includes,
Winch, the motor of the winch drive slip ring rotation；
Slip ring, first cable, second cable and the third cable are wound on the slip ring, the cunning
Ring plays the role of crossover sub, and with the 4th cable connection after slip ring is converted, second cable passes through first cable
Slip ring conversion after five cable connection of Cheng Yu, the third cable after slip ring is converted with the 6th cable connection；
Local bus, the 4th cable, the 5th cable and the 6th cable three are all connected to the local
Bus.
Preferably, the hoister system further includes,
Decoder, the decoder are connected with the motor of winch；
Decoder adapter, the decoder adapter are connected with the motor of the winch.
Preferably, the hoister system, first cable, second cable, the third cable and the synthesis
Probe is all made of grounding connection.
Preferably, the CNG gas storage well sleeve detection system further includes terminal, and the local bus and the terminal connect
It connects.
Preferably, the CNG gas storage well sleeve detection system further includes crossover sub, the local bus with described turn
The connection of changing-over head, the terminal are connect with the crossover sub.
Preferably, the ultrasonic module is made of 64 groups of ultrasonic probes.
Preferably, the laser module is made of 16 groups of laser probes.
A kind of comprehensive probe of CNG gas storage well sleeve detection is provided with ultrasonic module, mode of laser in the comprehensive probe
Block, digital circuit firmware and modem, the ultrasonic module and the digital circuit firmware, the modem are successively
Connection, the laser module are connect with the modem.
3, beneficial effect
Compared with the prior art, the application has the beneficial effect that
(1) the application CNG gas storage well sleeve detection system includes comprehensive probe, is provided with ultrasonic mould in the comprehensive probe
Block, laser module, digital circuit firmware and modem, the ultrasonic module and the digital circuit firmware, the modulation
Demodulator is sequentially connected, and the laser module is connect with the modem.The preliminary scanning of the ultrasonic module of the application goes out to cover
The pattern and distribution situation, laser module of the defects of pipe deformation, face burn into hole burn into axial direction slight crack, circumferential slight crack is further thin
Change the specific location of confirmation drawbacks described above and the dimensional conditions of each defect, CNG gas storage well sleeve is corroded and split to improve
The accuracy in detection of line；
(2) the gyroscope signal collected of the application CNG gas storage well sleeve detection system is for confirming defect in casing
Four corners of the world direction, the orientation auxiliary tool as casing imperfection reparation；
(3) the application is separately transmitted three kinds of signals by setting the first cable, the second cable, third cable, is reduced dry
It disturbs, while reducing the interference of signal transmission；
(4) the application structure is simple, and design is rationally, easily fabricated.Ultrasonic module is preferably by the intensive arrangement of 64 groups of high-precisions
Ultrasonic probe composition, laser module is preferably made of 16 groups of high-precision lasers probe, further improves the recall rate of defect
And accuracy, recall rate are up to 93%.
Detailed description of the invention
Fig. 1 is comprehensive probe composition schematic diagram；
Fig. 2 is CNG gas storage well sleeve detecting system schematic diagram；
Fig. 3 is that CNG gas storage well sleeve detection system operates demonstration graph；
Fig. 4 is the measurement of coordinates principle of existing three-dimensional laser scanner.
In figure, 1, comprehensive probe；2, CNG gas storage well sleeve；11, gyroscope；12, ultrasonic module；13, laser module；14,
Digital circuit firmware；15, modem；3, hoister system；31, decoder；32, slip ring；33, local bus；34, conversion connects
Head；4, cable；5, terminal.
Specific embodiment
The application is further described below combined with specific embodiments below.
Embodiment 1
A kind of CNG gas storage well sleeve detection system, including comprehensive probe, be provided in the comprehensive probe ultrasonic module,
Laser module, digital circuit firmware and modem, the ultrasonic module and the digital circuit firmware, the modulation /demodulation
Device is sequentially connected, and the laser module is connect with the modem.
As shown in Figure 1, ultrasonic module 12 is located in comprehensive probe 1 when specific implementation, and close to comprehensive probe 1
First end, when the comprehensive probe 1 protrudes into CNG gas storage well, the first end of comprehensive probe 1 is comprehensive close to CNG gas storage well bottom side
The second end of probe 1 is closed far from CNG gas storage well bottom side.Ultrasonic module 12 connects digital circuit firmware 14 first, then counts
Word circuit firmware 14 reconnects modem 15.The laser module 13 is also connected with modem 15.
As the further preferred of the present embodiment, CNG gas storage well sleeve detection system further includes gyroscope 11, the top
Spiral shell instrument 11 is connect with the modem 15.
Ultrasonic module 12 is made of ultrasonic probe, and ultrasonic probe uses existing ultrasonic probe.Laser module 13 is by laser
Probe composition, laser probe is more preferably existing three-dimensional laser scanner.Three-dimensional laser scanner is in addition to that can measure
Except distance, the angle in different scanning direction can also be measured, to collect the three-dimensional information of CNG gas storage well sleeve.Ultrasound
Preliminary scanning of popping one's head in go out the defects of deformation of CNG gas storage well sleeve, face burn into hole burn into axial direction slight crack, circumferential slight crack pattern and
Distribution situation, laser probe further refine the specific location of confirmation drawbacks described above and the dimensional conditions of each defect, gyroscope
11 signals collected are used to confirm the four corners of the world direction of defect in CNG gas storage well sleeve, as CNG gas storage well sleeve defect
The orientation auxiliary tool of reparation.
Existing three-dimensional laser scanner is mainly made of laser range finder and reflecting prism, and the work of laser range finder is former
Reason is to judge distance by emitting and receiving laser signal.It can also be measured except three-dimensional laser scanner processing measurement distance
Then angle on different scanning direction can calculate the relative dimensional coordinate for a little arriving survey station according to three-dimensional coordinate principle.It is existing
Some Three Dimensional Ground laser scanners issue laser pulse signal by transmitter, reversed through the road testee diffusing reflection Hou Yanyuan
Receiver is transferred back to again and carries out range measurement, as shown in figure 4, there is a point P (XP, YP, ZP), by laser ranging it is known that
The distance S of three-dimensional laser scanner centre distance P point, in addition, there is a precision interval clock control to compile inside three-dimensional laser scanner
Code device, it can ensure that each laser pulse transversal scanning angle [alpha] of three-dimensional laser scanner synchro measure and longitudinal scanning angle
Spend β.
The coordinate calculation formula of P point can be obtained according to three-dimensional coordinate measurement principle are as follows:
Then after being handled using the matched pretreatment software of three-dimensional laser scanner the data of acquisition, so that it may be
Object establishes threedimensional model.
As the further preferred of the present embodiment, ultrasonic module 12 is preferably by 64 groups of ultrasonic probes for intensively arranging of high-precision
Composition issues intensive ultrasound and measures the apparent defects of concavity and convexities such as the deformation of gas storage well sleeve, the corrosion of face burn into hole.
As the further preferred of the present embodiment, laser module 13 is preferably made of 16 groups of high-precision laser probes, can essence
The surface appearance and size for the defects of really measuring axial slight crack, circumferential slight crack and the contour area of concavity and convexity obvious shortcoming.
Optical imagery can be obtained by optical signalling, acoustic picture can be obtained by acoustic signal.Laser probe and ultrasonic probe
In conjunction with defect detection rate can be made up to 93%.1 feature of comprehensive probe is as follows:
Comprehensive probe 1 is using concentration modular structure, small in size, light weight, convenient for the detection in CNG gas storage well sleeve 2
Operation and movement.Ultrasonic probe and laser probe in comprehensive probe 1 can detect the acoustic picture obtained to same wellbore casing
With optical imagery, the fixed precision of ultrasonic probe detection scanning is not less than 800 points weekly, and laser beam gets hot spot on laser probe
The area for measuring defect, two kinds of image informations are compared, and the accurate pit shaft sleeve that acquires becomes corrupted information；Comprehensive probe 1
Advanced stop-leak compound and sealing ring combination sealing, stringent waterproof can be used between cable 4.The normal work temperature of comprehensive probe 1
Degree condition is 0-40 DEG C.
Embodiment 2
The present embodiment and embodiment 1 are essentially identical, the difference is that, the CNG gas storage well sleeve detection system is also wrapped
It includes, the first cable, the second cable and third cable, the first end of first cable, the first end of second cable and institute
The first end for stating third cable is connect with modem, and first cable is used for transmission the ultrasonic module and acquires and pass through
The first signal that modem processes obtain, first cable provide electric current transmission channel for the ultrasonic module.It is described
The second signal that second cable is used for transmission the laser module acquisition and modulated demodulator processes obtain, second cable
Electric current transmission channel is provided for the laser module.The third cable is used for transmission the gyroscope acquisition and modulated demodulation
The third signal that device is handled, the third cable provide electric current transmission channel for the gyroscope.
The application is separately transmitted three kinds of signals by setting the first cable, the second cable, third cable, reduces interference,
Reduce the interference of signal transmission simultaneously.Cable 4 includes the first cable, the second cable and third cable.
As shown in Fig. 2, ultrasonic module 12 connects the connection of digital circuit firmware 14, number electricity first when specific implementation
Road firmware 14 is connect with the first input end of modem 15 again, the first cable again with the first output end of modem 15
Connection, the first data of acquisition are become the first signal after the processing of modem 15 by ultrasonic module 12, then by the
One cable transmission is gone out.Laser module 13 is connect with the second input terminal of modem 15 first, then modem 15
Second output terminal again with the second cable connection.The second data that laser module 13 acquires become after the processing of modem 15
At second signal, then gone out by the second cable transmission.
Gyroscope 11 is connect with the third input terminal of modem 15 first, then the third output of modem 15
End again with third cable connection.The second data that gyroscope 11 acquires become third signal after the processing of modem 15,
Then it is gone out by third cable transmission.
Further, the first cable can provide electric current transmission channel for ultrasonic module 12.Second cable is laser module
13 provide electric current transmission channel.Third cable is that gyroscope 11 provides electric current transmission channel.
Embodiment 3
The present embodiment and embodiment 2 are essentially identical, the difference is that, the CNG gas storage well sleeve detection system is also wrapped
Hoister system is included, the hoister system includes,
Winch, motor drives slip ring rotation on the winch；
Slip ring, first cable, second cable and the third cable are wound on the slip ring, the cunning
Ring plays the role of crossover sub, and with the 4th cable connection after slip ring is converted, second cable passes through first cable
Slip ring conversion after five cable connection of Cheng Yu, the third cable after slip ring is converted with the 6th cable connection；
Local bus, the 4th cable, the 5th cable and the 6th cable three are all connected to the local
Bus.
As shown in Fig. 2, when specific implementation, the hoister system includes that winch, decoder 31, slip ring 32, local are total
The composition such as line 33, crossover sub 34.
First cable, the second cable and third cable are wound on slip ring 32, and motor drives slip ring 32 to rotate, thus band
Dynamic first cable, the second cable and the rotation of third cable, to realize these three electricity of the first cable, the second cable and third cable
Unwrapping wire of the cable in gas storage well, take-up.Wherein slip ring 32 can also play the role of crossover sub, and first cable passes through slip ring 32
With the 4th cable connection after conversion, the 4th cable connection is connected to local bus 33.Second cable is converted by slip ring 32
Five cable connection of Cheng Yu afterwards, the 5th cable connection are connected to local bus 33.The third cable is after the conversion of slip ring 32
With the 6th cable connection, the 6th cable connection to local bus 33.Local bus 33 is connect with crossover sub 34, crossover sub 34
It is connect again with terminal 5.Local bus 33, the first cable, the second cable, third cable, the 4th cable, the 5th cable and the 6th electricity
Cable is all made of grounding connection, guarantees personal safety.First signal, second signal and third signal three pass through corresponding electricity
After cable is transferred to local bus 33, then after being transferred to crossover sub 34, access terminal 5.Terminal 5 has display device.Terminal 5 can
Think desktop computer, laptop, tablet computer or mobile phone etc..
Embodiment 4
The present embodiment and embodiment 3 are essentially identical, the difference is that, the hoister system further includes decoder, described
Decoder is connected to the motor；Decoder adapter, the decoder adapter are connected to the motor.
When specific implementation, decoder 31 is connected with the motor on winch, and the motor on winch is connect with terminal 5 again,
31 adapter of decoder is connected with the motor on winch, and the motor on winch is connect with terminal 5 again, the control of 31 adapter of decoder
Decoder 31.
Hoister system 3, which is equipped with, smart to control motor, and the depth unwrapping wire decoder of combined high precision, cable counts minimum unit can
Up to 0.01m, the accurate positioning of detection position and the reinspection of defect are realized, matched cable linear diameter is small, good toughness, decays less,
Unwrapping wire length is up to 300m, and winch, cable, comprehensive probe 1 are all made of ground plane connection, release device may can produce in time
Raw extra electrostatic sufficiently ensures operator's safety and service life of equipment.Cable drum velocity interval is 0.01-0.1m/
s。
As shown in Figure 1, Figure 2, Figure 3 shows, when specific implementation, detection CNG gas storage well sleeve inspection is carried out as follows
The recall rate and accuracy of examining system:
(1) CNG gas storage well sleeve detection system has been debugged first；
(2) it gets out sample pipe 1: different defect type (deformations, face burn into hole burn into axial direction slight crack, circumferential direction will be preset
Slight crack etc.), defective locations (inside pipe casing, jacket exterior, cannula tip, in the middle part of casing), the sample pipe 1 of flaw size, sample pipe 1 is perpendicular
Straight to place, injection proper amount of clear water is stand-by as couplant.The details of preset various defects such as table 1 in sample pipe 1:
Preset defect type, prefabricated defective locations, prefabricated flaw size, prefabricated defects count in 1 sample pipe 1 of table
(3) comprehensive 1 group of probe is loaded into matched centralizer, the ground line of CNG gas storage well sleeve detection system is correct
Ground connection, the starting releasing cable of hoister system 3, after assembling with comprehensive probe 1, it is simultaneously accurate that comprehensive probe 1 is put into sample pipe 1
Centering is opened comprehensive probe 1 and is scanned, obtains acoustic picture to detection and compare with optical imagery, complete to sample pipe 1
Detection.Obtain the testing result such as table 2 of sample pipe 1:
Testing result of the 2 CNG gas storage well sleeve detection system of table to sample pipe 1
By table 1, table 2 it is found that the CNG gas storage well sleeve detection system defect of the application is for the number 14 in table 1
Defect is not detected, remaining defect detects, recall rate: 13/14=93%；Accuracy is also higher.
Embodiment 5
As shown in Figure 1, Figure 2, Figure 3 shows, when specific implementation, to the defect of CNG gas storage well sleeve 2 as follows into
Row detection:
(1) CNG gas storage well sleeve detection system has been debugged first；
(2) it gets out sample pipe 2: different defect type (deformations, face burn into hole burn into axial direction slight crack, circumferential direction will be preset
Slight crack etc.), defective locations (inside pipe casing, jacket exterior, cannula tip, in the middle part of casing), the sample pipe 2 of flaw size, sample pipe 2 is perpendicular
Straight to place, injection proper amount of clear water is stand-by as couplant.It is preset defect type in sample pipe 2, prefabricated defective locations, prefabricated
Flaw size, prefabricated defects count such as table 3:
Preset defect type, prefabricated defective locations, prefabricated flaw size, prefabricated defects count in 3 sample pipe 2 of table
(3) comprehensive 1 group of probe is loaded into matched centralizer, the ground line of CNG gas storage well sleeve detection system is correct
Ground connection, the starting releasing cable of hoister system 3, after assembling with comprehensive probe 1, it is simultaneously accurate that comprehensive probe 1 is put into sample pipe 2
Centering is again started up hoister system 3 comprehensive probe 1 and is adjusted to initial position, by 31 adapter of decoder of hoister system 3 into
Row return-to-zero is opened comprehensive probe 1 and is scanned, and for hoister system 3 to preset rate uniform unwrapping wire, terminal 5 obtains CNG
The image that gas storage well sleeve detection system is formed obtains acoustic picture to detection and compares with optical imagery, at the beginning of testing staff
Step differentiates and timely decision, carries out scanning again to suspected defects position when necessary, after detecting complete well, saves all testing numbers
It is believed that breath, equipment is lifted out from gas storage well, completes the inspection of a well.
(4) it is combined by acoustic picture and optical imagery, well for storage casing deformation, face burn into hole burn into is axial
The specific orientation and size of the defects of slight crack, circumferential slight crack, is compared with the defect of practical sample pipe 2.Detect underground gas storage
Casing defect such as the following table 4:
Testing result of the 4 CNG gas storage well sleeve detection system of table to gas storage well sleeve
Measurement will affect if the attachment of internal surface of sleeve pipe greasy dirt is more according to gas storage well sleeve behaviour in service in actual measurement
The precision of microminiature defect should carry out fully well-flushing before measuring as far as possible, to guarantee preferable detection effect, different tube diameters rule
The gas storage well sleeve of lattice chooses adaptable different pulse widths, and the pulse width is the transmission power of ultrasonic probe.
Claims (11)
1. a kind of CNG gas storage well sleeve detection system, which is characterized in that the CNG gas storage well sleeve detection system includes comprehensive
Probe is closed, ultrasonic module, laser module, digital circuit firmware and modem are provided in the comprehensive probe, it is described super
Sound module is sequentially connected with the digital circuit firmware, the modem, the laser module and the modem
Connection.
2. CNG gas storage well sleeve detection system according to claim 1, which is characterized in that the synthesis, which is popped one's head in, further includes
Gyroscope, the gyroscope are connect with the modem.
3. CNG gas storage well sleeve detection system according to claim 2, which is characterized in that the CNG gas storage well sleeve inspection
Examining system further includes the first cable, the second cable and third cable, the first end of first cable, second cable
First end and the first end of the third cable are connect with modem, and first cable is used for transmission the ultrasonic mould
The first signal that block acquisition and modulated demodulator processes obtain, first cable provide electric current transmission for the ultrasonic module
Channel, the second signal that second cable is used for transmission the laser module acquisition and modulated demodulator processes obtain, institute
It states the second cable and provides electric current transmission channel for the laser module, the third cable is used for transmission the gyroscope acquisition simultaneously
The third signal that modulated demodulator processes obtain, the third cable provide electric current transmission channel for the gyroscope.
4. CNG gas storage well sleeve detection system according to claim 1, which is characterized in that the CNG gas storage well sleeve inspection
Examining system further includes hoister system, and the hoister system includes,
Winch, the motor of the winch drive slip ring rotation；
Slip ring, first cable, second cable and the third cable are wound on the slip ring, and the slip ring rises
It is acted on to crossover sub, first cable is with the 4th cable connection after slip ring is converted, and second cable is by slip ring
Five cable connection of Cheng Yu after conversion, the third cable after slip ring is converted with the 6th cable connection；
Local bus, the 4th cable, the 5th cable and the 6th cable three are all connected to the local bus.
5. CNG gas storage well sleeve detection system according to claim 4, which is characterized in that the hoister system further includes,
Decoder, the decoder are connected with the motor of winch；
Decoder adapter, the decoder adapter are connected with the motor of the winch.
6. CNG gas storage well sleeve detection system according to claim 4, which is characterized in that the hoister system, described
One cable, second cable, the third cable and the comprehensive probe are all made of grounding connection.
7. CNG gas storage well sleeve detection system according to claim 1, which is characterized in that the CNG gas storage well sleeve
Detection system further includes terminal, and the local bus is connect with the terminal.
8. CNG gas storage well sleeve detection system according to claim 7, which is characterized in that the CNG gas storage well sleeve
Detection system further includes crossover sub, and the local bus is connect with the crossover sub, the terminal and the crossover sub
Connection.
9. CNG gas storage well sleeve detection system according to claim 1, which is characterized in that the ultrasonic module is by 64 groups
Ultrasonic probe composition.
10. CNG gas storage well sleeve detection system according to claim 1 or 4, which is characterized in that the laser module by
16 groups of laser probe compositions.
11. a kind of comprehensive probe of CNG gas storage well sleeve detection, which is characterized in that be provided with ultrasonic mould in the comprehensive probe
Block, laser module, digital circuit firmware and modem, the ultrasonic module and the digital circuit firmware, the modulation
Demodulator is sequentially connected, and the laser module is connect with the modem.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645914A (en) * | 2018-07-04 | 2018-10-12 | 安徽省特种设备检测院 | CNG gas storage well sleeves detecting system and the comprehensive probe of CNG gas storage well sleeves detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108645914A (en) * | 2018-07-04 | 2018-10-12 | 安徽省特种设备检测院 | CNG gas storage well sleeves detecting system and the comprehensive probe of CNG gas storage well sleeves detection |
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