CN203249889U - Metal pipeline corrosion detection device - Google Patents
Metal pipeline corrosion detection device Download PDFInfo
- Publication number
- CN203249889U CN203249889U CN 201320274437 CN201320274437U CN203249889U CN 203249889 U CN203249889 U CN 203249889U CN 201320274437 CN201320274437 CN 201320274437 CN 201320274437 U CN201320274437 U CN 201320274437U CN 203249889 U CN203249889 U CN 203249889U
- Authority
- CN
- China
- Prior art keywords
- controller
- module
- output end
- data
- magnetic field
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
Metal pipeline corrodes detection device. The device can solve the problems that the existing device can not continuously perform nondestructive testing on the buried metal pipeline, can not accurately position the pipeline corrosion area and can not accurately describe the pipeline corrosion change condition. Each magnetic field sensing module is connected with a filter circuit, each filter circuit is connected with an amplifying circuit, each amplifying circuit is connected with a data processing module, the data processing module is connected with a temperature acquisition module in parallel to a controller, the controller is connected with a counter, a display data output end of the controller is connected with a display, a control data input end of the controller is connected with a control input module, a storage battery and a wireless transmitting device are connected onto the controller, the wireless transmitting device is connected with a wireless receiving device of a control center in a wireless mode, and a data output end of the wireless receiving device is connected with a computer. The practicability is strong, the reliability and the accuracy are high, and the detection data is complete.
Description
Technical field
The utility model belongs to the harmless corrosion of metallic conduit detection field, relates to application of electronic technology, specifically the metal pipeline corrosion detecting device.
Background technology
In the oil field, it is extremely important that the extent of corrosion of pipeline is carried out Non-Destructive Testing, present existing buried metal pipeline lossless detection method has the pipe and cable detector RD8000 of Radiodetection Limited, RD7000, the anticorrosion detection of PCM+ etc., be the external anti-corrosion layer checkout equipment, such as the anticorrosion detection of PCM+, be characterized in by applying electric current at metallic conduit, use necessary instrument on the ground every 30 meters pipeline depth of distance detection and electric current decay situation, the software of application specific is analyzed, judge the pipeline anticorrosion coating damaged condition, thereby estimate the corrosion condition of buried metal pipeline, although can accomplish Non-Destructive Testing, but all exist and to carry out continuously the buried metal pipeline Non-Destructive Testing, accurately targeted duct corrosion area and the problem that can't accurately describe the corrosive pipeline situation of change.
Summary of the invention
The utility model can't carry out the buried metal pipeline Non-Destructive Testing continuously for solving existing apparatus, accurately targeted duct corrosion area and the problem that can't accurately describe the corrosive pipeline situation of change, and the metal pipeline corrosion detecting device that proposes, comprise detecting unit and control center, described detecting unit comprises at least one magnetic field sensing module and a temperature collect module, the data output end of each magnetic field sensing module all is connected with filtering circuit, the output terminal of each filtering circuit all is connected with amplifying circuit, the output terminal of each amplifying circuit all is connected with the data input pin of data processing module, the data output end of data processing module and the data output end of temperature collect module are connected in parallel in controller, the enumeration data input end of controller is connected with counter, the demonstration data output end of controller is connected with display, the control data input pin of controller is connected with the control inputs module, be connected with accumulator and wireless base station apparatus on the controller, wireless base station apparatus is connected with the radio receiver of control center wirelessly, and the data output end of radio receiver is connected with computing machine.
Described magnetic field sensing module mainly is made of one dimension magnetoresistive transducer HMC1001 and two-dimentional magnetoresistive transducer HMC1002.
Described controller mainly is made of PIC18F452 and C8051 single-chip microcomputer, and replaces described data processing module with the A/D converter in the C8051 single-chip microcomputer.
The quantity of described magnetic field sensing module is 4.
The beneficial effects of the utility model: utilize pipeline under the geomagnetic field effect, can form the terrestrial magnetic field magnetic line of force of horizontal distribution, when the pipeline distorted, can form " area of stress concentration ", region of stress concentration metal magnetic conducting rate reduces, stray field increases, this process is irreversible, the characteristics that finally cause the terrestrial magnetic field magnetic line of force of script horizontal distribution above pipeline to change, extent of corrosion to pipeline detects, the magnetic field sensing module detects pipeline magnetic field, and the analog electrical signal a little less than being converted into magnetic field, pass through filter amplifying processing, and by the A/D converter among the C8051 simulating signal is changed into easy-to-handle digital signal, and data are sent among the PIC18F452, data are shown at display, convenient observation, can select different functions and carry out different operations by function button, utilize wireless base station apparatus and radio receiver that data are sent in the middle of the computing machine, in order to use special analysis software to data analysis and processing, obtain corrosion condition and the corrosion tendency of metallic conduit, so that the staff in time processes and safeguards, effectively solved existing apparatus and can't carry out continuously the buried metal pipeline Non-Destructive Testing, accurately targeted duct corrosion area and the problem that can't accurately describe the corrosive pipeline situation of change.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1, the metal pipeline corrosion detecting device, comprise detecting unit and control center, described detecting unit comprises at least one magnetic field sensing module and a temperature collect module, magnetic field sensor is for detection of the pipeline magnetic field signal, temperature collect module is used for magnetic field sensor is carried out temperature compensation, the data output end of each magnetic field sensing module all is connected with filtering circuit, the output terminal of each filtering circuit all is connected with amplifying circuit, that is to say the corresponding filtering circuit of each magnetic field sensing module and an amplifying circuit, the output terminal of each amplifying circuit all is connected with the data input pin of data processing module, the data output end of data processing module and the data output end of temperature collect module are connected in parallel in controller, the enumeration data input end of controller is connected with counter, counter is used for the action frequency of this metal pipeline corrosion detecting device of record, so that record detection position, the demonstration data output end of controller is connected with display, be used for showing data, the control data input pin of controller is connected with the control inputs module, be used for the staff and carry out different runnings by this metal pipeline corrosion detecting device of different input controls as required, be connected with accumulator and wireless base station apparatus on the controller, accumulator is used for the device power supply, wireless base station apparatus is connected with the radio receiver of control center wirelessly, and the data output end of radio receiver is connected with computing machine.
The beneficial effect of present embodiment: utilize pipeline under the geomagnetic field effect, can form the terrestrial magnetic field magnetic line of force of horizontal distribution, when the pipeline distorted, can form " area of stress concentration ", region of stress concentration metal magnetic conducting rate reduces, stray field increases, this process is irreversible, finally causing originally, the terrestrial magnetic field magnetic line of force of horizontal distribution above pipeline changes, extent of corrosion to pipeline detects, the utlity model has harmless, the characteristics such as noncontact, no matter under the conduit running state, all do not affect detection when still repairing, and the energy early detection is just outside developing defective, can also further find out the actual stress of detected object, deformation state is found out and is produced damaged root, uses the utility model to move towards mobile along the oil field ground metallic conduit on the ground, per 30 microseconds of popping one's head in can gather a secondary data, and show change of magnetic field strength at display in good time, and detect data integrity, the different corrosion of pipeline block magnetic field can obviously be distinguished.
Embodiment two: the difference of present embodiment and embodiment one is: be embedded with the software program that the data that will record plot collection of illustrative plates and analyze and process in the described computing machine, this software program provides information needed also for the staff points out its development trend, so that the staff processes timely and safeguards for the staff.
Embodiment three: present embodiment and embodiment one or twos' difference is: described magnetic field sensing module mainly is made of one dimension magnetoresistive transducer HMC1001 and two-dimentional magnetoresistive transducer HMC1002, concrete, X-axis, Y-axis and Z-direction, one dimension magnetoresistive transducer HMC1001 is for detection of one of them direction, two dimension magnetoresistive transducer HMC1002 is for detection of two two outer directions that are perpendicular to one another, thereby more accurately, clearly the magnetic field of pipeline is analyzed.
Embodiment four: the difference of present embodiment and embodiment one to three is: described controller mainly is made of PIC18F452 and C8051 single-chip microcomputer, and replaces described data processing module with the A/D converter in the C8051 single-chip microcomputer.
Embodiment five: the difference of present embodiment and embodiment one to four is: the quantity of described magnetic field sensing module is 4, so that increase the data precision and the validity of measuring.
Claims (4)
1. metal pipeline corrosion detecting device, comprise detecting unit and control center, described detecting unit comprises at least one magnetic field sensing module and a temperature collect module, the data output end of each magnetic field sensing module all is connected with filtering circuit, the output terminal of each filtering circuit all is connected with amplifying circuit, the output terminal of each amplifying circuit all is connected with the data input pin of data processing module, the data output end of data processing module and the data output end of temperature collect module are connected in parallel in controller, the enumeration data input end of controller is connected with counter, the demonstration data output end of controller is connected with display, the control data input pin of controller is connected with the control inputs module, be connected with accumulator and wireless base station apparatus on the controller, wireless base station apparatus is connected with the radio receiver of control center wirelessly, and the data output end of radio receiver is connected with computing machine.
2. metal pipeline corrosion detecting device according to claim 1, it is characterized in that: described magnetic field sensing module mainly is made of one dimension magnetoresistive transducer HMC1001 and two-dimentional magnetoresistive transducer HMC1002.
3. metal pipeline corrosion detecting device according to claim 1, it is characterized in that: described controller mainly is made of PIC18F452 and C8051 single-chip microcomputer, and replaces described data processing module with the A/D converter in the C8051 single-chip microcomputer.
4. metal pipeline corrosion detecting device according to claim 1, it is characterized in that: the quantity of described magnetic field sensing module is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320274437 CN203249889U (en) | 2013-05-20 | 2013-05-20 | Metal pipeline corrosion detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320274437 CN203249889U (en) | 2013-05-20 | 2013-05-20 | Metal pipeline corrosion detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203249889U true CN203249889U (en) | 2013-10-23 |
Family
ID=49376322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320274437 Expired - Fee Related CN203249889U (en) | 2013-05-20 | 2013-05-20 | Metal pipeline corrosion detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203249889U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931898A (en) * | 2015-06-15 | 2015-09-23 | 北京航空航天大学 | Magnetic field gradient detection device |
| CN105114819A (en) * | 2015-09-17 | 2015-12-02 | 成都千易信息技术有限公司 | Oil and gas pipeline wall thickness monitoring system |
| CN105136654A (en) * | 2015-09-17 | 2015-12-09 | 成都千易信息技术有限公司 | Oil gas pipeline wall thickness online monitoring system |
| CN106104306A (en) * | 2014-03-17 | 2016-11-09 | 富士地探株式会社 | The detection method of buried metal and detection device |
| CN107396090A (en) * | 2017-07-17 | 2017-11-24 | 深圳创维－Rgb电子有限公司 | A kind of television set and its frequency spectrum detection system, control method, storage medium |
-
2013
- 2013-05-20 CN CN 201320274437 patent/CN203249889U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106104306A (en) * | 2014-03-17 | 2016-11-09 | 富士地探株式会社 | The detection method of buried metal and detection device |
| CN106104306B (en) * | 2014-03-17 | 2018-09-21 | 富士地探株式会社 | The detection method and detection device of buried metal |
| CN104931898A (en) * | 2015-06-15 | 2015-09-23 | 北京航空航天大学 | Magnetic field gradient detection device |
| CN105114819A (en) * | 2015-09-17 | 2015-12-02 | 成都千易信息技术有限公司 | Oil and gas pipeline wall thickness monitoring system |
| CN105136654A (en) * | 2015-09-17 | 2015-12-09 | 成都千易信息技术有限公司 | Oil gas pipeline wall thickness online monitoring system |
| CN107396090A (en) * | 2017-07-17 | 2017-11-24 | 深圳创维－Rgb电子有限公司 | A kind of television set and its frequency spectrum detection system, control method, storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2013227426B2 (en) | Fault detection for pipelines | |
| CN203249889U (en) | Metal pipeline corrosion detection device | |
| CA3001812A1 (en) | Fault detection for pipelines | |
| CN109799279A (en) | A kind of ferromagnetic conduit stress mornitoring and monitoring method | |
| CN201262625Y (en) | Armored rope computer flaw detector | |
| CN102621582A (en) | Method for detecting positions of underground metal pipelines by aid of space vector method and device | |
| CN106197911A (en) | A kind of Test on Bridge Loading method | |
| CN103196991A (en) | Complete-coverage transient electromagnetic detection method for continuously diagnosing corrosion and defects of pipe body metal | |
| CN110487634A (en) | The System and method for of core strain, resistivity DCO detailed checkout under a kind of stress state | |
| CN204302226U (en) | A kind of magnet sensor arrangement detected for magnetic memory two-dimensional | |
| CN201765088U (en) | Test calibrating apparatus of portable pressure transmitter | |
| Lu et al. | Location and corrosion detection of tower grounding conductors based on electromagnetic measurement | |
| CN102288812B (en) | Static dynamic potential intelligent test device with real-time testing technique | |
| CN206177288U (en) | A testing arrangement for component slant angle measuring | |
| CN118897010B (en) | Acoustic emission-based steel structure critical energy release rate detection method, apparatus, equipment, storage medium and product | |
| CN208537474U (en) | A kind of pipe welding line detecting device | |
| CN202066903U (en) | Intelligent device suitable for static dynamic potential real-time test | |
| CN207423884U (en) | Multichannel geomagnetism detector based on magnetic force chromatographic technique | |
| CN103941095B (en) | A kind of method that the resistivity of underground metallic conduit surrounding soil is tested | |
| CN101349721B (en) | Method for eliminating environment electrical level suitable for electromagnetic radiation transmitting automatic test | |
| CN103197276A (en) | Reliability automatic detecting device of intelligent energy meter | |
| CN205139080U (en) | Detect magnetism detector of metal pipeline stress | |
| CN102551711B (en) | Method for measuring magnetic field by aid of superconducting quantum interference device and positioning current source of magnetic field | |
| CN204007652U (en) | A kind of current vortex sensor Installation and Debugging device | |
| CN203164728U (en) | Cable tunnel remote automation monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20210520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |