CN107676636B - A sensor fixing method for pipeline leak detection - Google Patents
A sensor fixing method for pipeline leak detection Download PDFInfo
- Publication number
- CN107676636B CN107676636B CN201711100138.9A CN201711100138A CN107676636B CN 107676636 B CN107676636 B CN 107676636B CN 201711100138 A CN201711100138 A CN 201711100138A CN 107676636 B CN107676636 B CN 107676636B
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- Prior art keywords
- sensor
- pipeline
- bandage
- installation seat
- pedestal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention provides a kind of pipeline leakage testing sensor fastening device and fixing means, wherein fixing device includes: pedestal, sensor installation seat and bandage, and the pedestal is domes, the middle part of its top surface has mounting hole, and the sensor installation seat, which runs through, to be connected in the mounting hole；Sensor is installed in the lower part of the sensor installation seat, and the pedestal is connected on pipeline by the bandage.The sensor installation seat for being equipped with sensor is connected on pedestal by apparatus of the present invention, and pedestal is close-coupled at the measured position on pipeline by bandage, realizes fitting closely for sensor and tested pipeline, and connective stability is good, convenient disassembly.
Description
Technical field
The present invention relates to Discussion on Pipe Leakage Detection Technology fields, are fixed more particularly to a kind of pipeline leakage testing with sensor
Device and fixing means.
Background technique
Pipeline transportation is a kind of emerging, economic means of transportation, especially in bulks such as conveying gas, liquid and slurries
There is inherent advantage in terms of product, increasingly important role, the safe operation of pipeline are played in national economy
Problem has received significant attention.Domestic and foreign experience shows the spontaneous corrosion due to pipeline, aging, natural calamity and artificial destruction
Etc. reasons, pipe leakage have become the accident most frequently occurred in pipeline industry, this not only result in a large amount of wasting of resources and
Serious environmental pollution, but also great casualties and property loss may be brought.Therefore, pipe leakage is found in time
And accurately determine leakage point position, for reducing loss, pipeline normal operation being kept to be of great significance.
According to the difference of measured medium, pipeline leakage detection method can be divided into direct Detection Method and indirect detection method, directly
Detection method is the liquid of direct detection leakage or the method for gas, indirect detection method be then detection due to leakage caused by flow,
The detection method of the variation of the physical parameters such as pressure or sound.The pipeline leakage detection method of early stage has radiation method, quality flat
Weighing apparatus method, microwave sounding method, magnetic induction probe method and infrared detecting method etc., current widely used method includes suction wave
Method, optical fiber leak detecting and sound emission detection method.Wherein, sound emission is as a kind of online non-destructive testing technology in pipeline leakage testing
It is widely applied etc. all conglomeraties.Compared with traditional non-destructive testing technology, letter detected by acoustic emission testing technology
Number come from material itself, be able to reflect the origin feature and defect of fault in material at any time development and change rule, be more suitable for
Dynamic monitoring adapts to wide, leak source registration height.
The effect of acoustic emission sensor is that acoustic emission wave is converted to electric signal, is the important composition of acoustic emission detection system
Part, the compactedness connected between sensor and measurand will directly determine the accuracy of detection data.In actual use,
Sensor needs to be attached at pipe surface by specifically fixing device, and to reduce acoustical signal declining at interface as far as possible
Subtract.Currently, common sensor fastening device has elastic band, adhesive tape and magnetic deck etc., the fastening performance of elastic band and adhesive tape
It is difficult to ensure, and magnetic deck is although easy for installation and coupling is also relatively uniform, but there is also certain disadvantages, first is that for one
A little pipeline materials are not available, second is that disassembly is inconvenient if magnetic force is big when magnet plane and the big contact area of tube wall.
Summary of the invention
For this purpose, connective stability is good, and disassembly side an object of the present invention is to provide a kind of sensor compactness height
Just pipeline leakage testing sensor fastening device and fixing means.
The present invention provides a kind of pipeline leakage testing sensor fastening devices, comprising: pedestal, sensor installation seat and
Bandage, the pedestal are domes, and the middle part of top surface has mounting hole, and the sensor installation seat, which runs through, is connected to the peace
It fills in hole；Sensor is installed in the lower part of the sensor installation seat, and the pedestal is connected on pipeline by the bandage.
The sensor installation seat for being equipped with sensor is connected on pedestal by apparatus of the present invention, and by bandage that pedestal is tight
The close measured position being connected on pipeline, realization sensor and tested pipeline fit closely, and connective stability is good, disassembly side
Just.
It further, is to be welded and fixed between the pedestal and sensor installation seat.
Further, the pedestal and sensor installation seat are stainless steel material.
Further, the top surface and side of the sensor installation seat are provided with the first rectangular channel of perforation, the pedestal
The corresponding position of top surface is also provided with the second rectangular channel of same widths, for placing the binding post of sensor, the output of installation side
Or the sensor of top output.
Further, there are three be mutually 120 degree of angles for connection in the lower side same level of the sensor installation seat
Sensor positioning bolt, the end of the positioning bolt is connected with the arc-shaped cushion block of inner face.
Further, the sensor is connected to the downside of the sensor installation seat, the sensor and the sensing
Balancing spring is connected between device mounting base.
Further, the middle part of the sensor installation seat has through-hole, and the lower removable of the through-hole connects the biography
Sensor assembles the balancing spring in the through-hole on the upside of the sensor.
Further, the circle that the both ends of the balancing spring are welded with the size of intermediate aperture and the through-hole matches
Stainless steel substrates.
Further, the two sides of the upper surface of the pedestal are respectively provided with a fitting groove, the fitting groove and the bandage
It matches, and the pedestal is connected on pipeline by bandage clamp device.
The present invention also provides a kind of pipeline leakage testing sensor fixing means, comprising:
Step 1, according to the diameter of the size of sensor, binding post position and tested pipeline determine balancing spring length and
Elastic force chooses balancing spring；The length of bandage is determined according to the diameter of pipeline, chooses bandage；
Step 2, balancing spring is mounted between sensor and sensor installation seat；
Step 3, three sensor positioning bolts are adjusted, sensor is navigated to the position coaxial with sensor installation seat；
Step 4, it according to pipeline leakage testing arrangement and method for construction, determines the installation site of sensor and is positioned, it is then right
Sensor mount position carries out polishing cleaning；
Step 5, the sensor fastening device for being equipped with sensor is placed in above tested pipeline, and to sensor angles
It is finely adjusted, makes itself and tested pipeline intimate surface contact, it is then using bandage that sensor fastening device is tight with tested pipeline
Close fixation；
Step 6, sensor conductor is connected, pipeline leakage checking system is opened, obtains testing result.
The sensor installation seat for being equipped with sensor is connected on pedestal by the method for the present invention, and by bandage that pedestal is tight
The close measured position being connected on pipeline, realization sensor and tested pipeline fit closely, and connective stability is good, disassembly side
Just.
Meanwhile the present invention is suitable for the pipeline of different-diameter and the sensor of sizes, sensor both can be defeated with side
It can also be exported out with top, practical, structure is simple, can preferably protect the sensor against damage, makes sensor and pipe
Road surface sufficiently couples, and effectively improves the reliability of data acquisition.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pipeline leakage testing sensor fastening device of the embodiment of the present invention；
Fig. 2 is a kind of mounting structure of the pipeline leakage testing sensor fastening device of the embodiment of the present invention on pipeline
Schematic diagram.
It is attached in the figure, it is marked as
1 pedestal
2 fitting grooves
3 sensor installation seats
4 first rectangular channels
5 second rectangular channels
6 sensors
7 top output transducer leads
8 balancing springs
9 stainless steel substrates
10 positioning bolts
11 pipelines
12 bandages
13 bandage clamp devices
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The present invention provides a kind of pipeline leakage testing sensor fastening devices, as depicted in figs. 1 and 2, comprising: pedestal
1, sensor installation seat 3 and bandage 12, the pedestal 1 are domes, and the middle part of top surface has mounting hole, the sensor
Mounting base 3, which runs through, to be connected in the mounting hole；Sensor 6 is installed in the lower part of the sensor installation seat 3, and the pedestal 1 passes through
The bandage 12 is connected on pipeline 11.Preferably, to be welded and fixed between the pedestal 1 and sensor installation seat 3, the bottom
Seat 1 and sensor installation seat 3 are stainless steel material.The sensor installation seat for being equipped with sensor is connected to by apparatus of the present invention
On pedestal, and pedestal is close-coupled at by the measured position on pipeline by bandage, realizes the close of sensor and tested pipeline
Fitting, and connective stability is good, convenient disassembly.
In the one aspect of the embodiment of the present invention, the top surface and side of the sensor installation seat 3 are provided with the first of perforation
Rectangular channel 4, the corresponding position of the top surface of the pedestal 1 is also provided with the second rectangular channel 5 of same widths, for placing sensor 6
Binding post, installation side output or top output sensor 6.Preferably, the sensor 6 is acoustic emission sensor.
It is connected in the one aspect of the embodiment of the present invention, the lower side same level of the sensor installation seat 3
There are three the sensor positioning bolts 10 for being mutually 120 degree of angles, and it is arc-shaped that the end of the positioning bolt 10 is connected with inner face
Cushion block.The cushion block of arc matches with sensor, for carrying out radial positioning, and effective protection sensor to sensor.
In the one aspect of the embodiment of the present invention, the sensor 6 is connected to the downside of the sensor installation seat 3, institute
It states and is connected with balancing spring 8 between sensor 6 and the sensor installation seat 3.Optionally, in the sensor installation seat 3
Portion has through-hole, and the lower removable of the through-hole connects the sensor 6, in the through-hole of 6 upside of sensor described in assembly
Balancing spring 8.Preferably, the circle that the both ends of the balancing spring 8 are welded with the size of intermediate aperture and the through-hole matches
Shape stainless steel substrates.The setting of balancing spring can flexibly adjust the installation site of sensor, and the both ends of balancing spring are welded with
Intermediate aperture and round stainless steel substrates parallel to each other, to guarantee force acting on transducer uniformly and from damage.The stainless steel substrates
Intermediate aperture passed through by top output transducer lead 7.
In the one aspect of the embodiment of the present invention, the two sides of the upper surface of the pedestal 1 are respectively provided with a fitting groove 2, institute
It states fitting groove 2 to match with the bandage 12, and the pedestal 1 is connected on pipeline 11 by bandage clamp device 13.Make
Sensor is connected to steadily in pipe under test with the connection of bandage, is applicable to various sizes of pipeline, guarantees inspection
Survey the accuracy of result.
The embodiment of the invention also provides a kind of pipeline leakage testing sensor fixing means, comprising:
Step 1, according to the diameter of the size of sensor, binding post position and tested pipeline determine balancing spring length and
Elastic force chooses balancing spring；The length of bandage is determined according to the diameter of pipeline, chooses bandage；
Step 2, balancing spring is mounted between sensor and sensor installation seat；
Step 3, three sensor positioning bolts are adjusted, sensor is navigated to the position coaxial with sensor installation seat；
Step 4, it according to pipeline leakage testing arrangement and method for construction, determines the installation site of sensor and is positioned, it is then right
Sensor mount position carries out polishing cleaning；
Step 5, the sensor fastening device for being equipped with sensor is placed in above tested pipeline, and to sensor angles
It is finely adjusted, makes itself and tested pipeline intimate surface contact, it is then using bandage that sensor fastening device is tight with tested pipeline
Close fixation；
Step 6, sensor conductor is connected, pipeline leakage checking system is opened, obtains testing result.
The sensor installation seat for being equipped with sensor is connected on pedestal by the method for the present invention, and by bandage that pedestal is tight
The close measured position being connected on pipeline, realization sensor and tested pipeline fit closely, and connective stability is good, disassembly side
Just.
Meanwhile the present invention is suitable for the pipeline of different-diameter and the sensor of sizes, sensor both can be defeated with side
It can also be exported out with top, practical, structure is simple, can preferably protect the sensor against damage, makes sensor and pipe
Road surface sufficiently couples, and effectively improves the reliability of data acquisition.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (1)
1. a kind of pipeline leakage testing sensor fixing means characterized by comprising
Step 1, the length and bullet of balancing spring are determined according to the diameter of the size of sensor, binding post position and tested pipeline
Power chooses balancing spring；The length of bandage is determined according to the diameter of pipeline, chooses bandage；
Step 2, balancing spring is mounted between sensor and sensor installation seat；
Step 3, three sensor positioning bolts are adjusted, sensor is navigated to the position coaxial with sensor installation seat；
Step 4, it according to pipeline leakage testing arrangement and method for construction, determines the installation site of sensor and is positioned, then to sensing
Device installation position carries out polishing cleaning；
Step 5, the sensor fastening device for being equipped with sensor is placed in above tested pipeline, and sensor angles is carried out
Fine tuning, makes itself and tested pipeline intimate surface contact, then using bandage that sensor fastening device and tested pipeline is closely solid
It is fixed；
Step 6, sensor conductor is connected, pipeline leakage checking system is opened, obtains testing result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100138.9A CN107676636B (en) | 2017-11-09 | 2017-11-09 | A sensor fixing method for pipeline leak detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100138.9A CN107676636B (en) | 2017-11-09 | 2017-11-09 | A sensor fixing method for pipeline leak detection |
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| CN107676636A CN107676636A (en) | 2018-02-09 |
| CN107676636B true CN107676636B (en) | 2019-05-10 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115886A (en) * | 2018-08-03 | 2019-01-01 | 吕梁学院 | The detection of side formula acoustic emission sensor fixed device and its installing and fixing method |
| CN109115887A (en) * | 2018-08-03 | 2019-01-01 | 吕梁学院 | The detection of tail formula acoustic emission sensor fixed device and its installing and fixing method |
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| CN204005278U (en) * | 2014-09-01 | 2014-12-10 | 张冰 | Pressure fluid pipeline leak detection instrument |
| CN204666211U (en) * | 2015-04-17 | 2015-09-23 | 华电电力科学研究院 | A kind of flow-meter probe stationary installation |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012031181A2 (en) * | 2010-09-03 | 2012-03-08 | Bp Corporation North America Inc. | Method and device for sensing corrosion under insulation (cui) |
| CN202284721U (en) * | 2011-08-25 | 2012-06-27 | 重庆煌能科技有限公司 | Nondestructive detection sensing device for leakage signals of long distance pipeline |
| CN203771040U (en) * | 2014-03-07 | 2014-08-13 | 镇江天颐装备科技有限公司 | Ultrasonic guided wave probe fixing device for pipeline detection |
| CN204005278U (en) * | 2014-09-01 | 2014-12-10 | 张冰 | Pressure fluid pipeline leak detection instrument |
| CN205426253U (en) * | 2015-03-11 | 2016-08-03 | 国家电网公司 | Big pipe diameter anchor clamps of ultrasonic wave flow measurement sensor |
| CN204666211U (en) * | 2015-04-17 | 2015-09-23 | 华电电力科学研究院 | A kind of flow-meter probe stationary installation |
| CN204925045U (en) * | 2015-07-22 | 2015-12-30 | 杭州电子科技大学 | Flexible array detection probe unit of vertical guided wave of pipeline supersound |
| CN205600551U (en) * | 2016-04-25 | 2016-09-28 | 山东天元信息技术股份有限公司 | Pipeline inspection earthquake sensor fixed device |
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| CN207486455U (en) * | 2017-11-09 | 2018-06-12 | 内蒙古科技大学 | A kind of pipeline leakage testing sensor fastening device |
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| Publication number | Publication date |
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| CN107676636A (en) | 2018-02-09 |
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