CN205982165U - Pipeline corrosion monitoring system based on FSM - Google Patents
Pipeline corrosion monitoring system based on FSM Download PDFInfo
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- CN205982165U CN205982165U CN201621018132.8U CN201621018132U CN205982165U CN 205982165 U CN205982165 U CN 205982165U CN 201621018132 U CN201621018132 U CN 201621018132U CN 205982165 U CN205982165 U CN 205982165U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000005260 corrosion Methods 0.000 title abstract description 12
- 230000007797 corrosion Effects 0.000 title abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 24
- 239000011159 matrix material Substances 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 13
- 229910052744 lithium Inorganic materials 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to a pipeline monitoring technology field, in particular to pipeline corrosion monitoring system based on FSM, including contact module, measured module, control module, host computer, contact module is including electrode matrix, and electrode matrix includes that a plurality of locating survey the exploring electrode that is the rectangle range on buret ways, measured module is including the multichannel analog switch group, preamplification circuit, AD converting circuit, measurement singlechip, the isolated form interface circuit that connect gradually, control module includes control single chip microcomputer and the constant current source controller who is connected with power module, and control single chip microcomputer is connected with constant current source controller and host computer respectively, constant current source controller connects the exploring electrode among the electrode matrix, and multichannel analog switch group is connected to the exploring electrode, isolated form interface circuit connection control singlechip, and the sensitivity of this system monitoring is high, and job stabilization nature is strong, alone operation for a long time, through the density size of adjusting the exploring electrode, the convenience is adjusted the measurement accuracy of the pipeline of different internal diameters.
Description
Technical field
This utility model belongs to Monitoring Pinpelines technical field, particularly to a kind of corrosive pipeline monitoring system based on FSM.
Background technology
At present, during oil gas transport, because the accident caused by corrosive pipeline factor is more, to inner-walls of duct corrosion
Detection and monitoring are particularly important.The corrosion of resistance probe method and polarization sonde method on-line monitoring pipeline is typically adopted at present in industry
Situation, but indirectly homogeneous corrosion detection, the pitting corrosion no monitoring capability larger to density of infection can only be carried out at present, it is badly in need of a kind of high
The corrosive pipeline detecting system of precision and high reliability is monitored to pipeline.
FSM (Field Signature Method) is a kind of corrosion monitoring product, and Chinese name is referred to as " electric fingerprint corrosion
Monitoring system ", for the internal corrosion monitoring of gas industries feed-line, this technology is mainly used to detect various forms of corruption
Erosion, also can detect most crackle and the extension of monitoring corrosion and crackle.The method detection reliability is high, high-low temperature resistant,
, there is not the loss problem of monitoring component in life-span length, under the conditions of homogeneous corrosion, sensitivity and motility are than most non-demolition
Property test, FSM in actual applications, can obtain wall thickness reduction be less than 0.05% precise information.Therefore, supervise in corrosive pipeline
Survey field have its unique superiority and good development prospect, accuracy of detection and operational reliability be FSM system in the urgent need to
The problem of concern.
Utility model content
The purpose of this utility model is：For the relatively low problem of current corrosive pipeline system monitoring precision and reliability,
The corrosive pipeline monitoring system based on FSM of a kind of high accuracy and high reliability is provided.
The technical solution adopted in the utility model is as follows：
A kind of corrosive pipeline monitoring system based on FSM is it is characterised in that including contact module, measurement module, controlling mould
Block, main frame；Contact module includes electrode matrix, and electrode matrix includes the detection of rectangular arrangement on multiple pipelines located at measurement
Electrode；Measurement module includes the multiway analog switch group being sequentially connected, pre-amplification circuit, A/D convertor circuit, measurement monolithic
Machine, isolated form interface circuit；Control module includes the control single chip computer being connected with power module and constant-current source controller, described electricity
Source module provides working power for system, and control single chip computer is connected with constant-current source controller and main frame respectively；Constant-current source controller
Detection electrode in connection electrode matrix, detection electrode connects multiway analog switch group, and it is single that isolated form interface circuit connects control
Piece machine；Constant-current source controller includes digital regulation resistance U1, integrated transporting discharging U2A, NPN triode Q31；The vcc of digital regulation resistance U1
Pin is grounded by electric capacity C31 while connecting VCC, and its inc pin is connected with the I/O controlling monolithic, and its output port vh is even
It is connected to the positive output end of integrated transporting discharging U2A；The positive input terminal of integrated transporting discharging U2A is grounded by electric capacity C32, and its negative input end is connected
Resistance R31 and resistance R32 ground connection, its outfan is connected to the base stage of audion Q31, the transmitting of audion Q31 by resistance R33
Pole is connected to resistance R31 and the node of resistance R32 by resistance R34, and the colelctor electrode of audion Q32 is as constant-current source controller
Outfan, output constant dc flows to electrode matrix.Constant-current source controller passes through operational amplifier and the mould of audion combination
Formula, and adjusted by chip microcontroller electric current using digital regulation resistance.
Control single chip computer controls power module and constant-current source controller to provide exciting current for electrode matrix, by being arranged at
Detection electrode on measurement pipeline and measurement pipeline form feedback current to multiway analog switch group, and multiway analog switch group is processed
Changed by A/D convertor circuit again by after pre-amplification circuit processing and amplifying；Digital current signal after conversion is transferred to
Measurement single-chip microcomputer；Signal is transferred to main frame by isolation circuit through control single chip computer and carries out Data Post by measurement single-chip microcomputer.
Control single chip computer passes through the feedback signal controlling measurement single-chip microcomputer to select collection, and feedback signal is transferred to master by control single chip computer
Machine.
Further, contact module also includes and measures pipe material identical homogeneity on-gauge plate, on homogeneity on-gauge plate
Also be provided with the reference electrode that multiple matrix arrangement are connected with constant-current source controller, reference electrode also with multiway analog switch group
Connect, standard signal is gathered by homogeneity on-gauge plate be used for measuring pipeline and gather signal and contrasted, more accurately monitor pipeline
Corrosion condition.
Further, contact module also includes the temperature sensor being arranged on measurement pipeline, and temperature sensor is passed through
Temperature sensor interface is connected with isolated form interface circuit；Temperature parameter on temperature sensor collection measurement pipeline, for monitoring
Result provides effective temperature-compensating, reduces the interference to monitoring result for the ambient temperature.
Further, the constant-current source lithium battery that power module includes instrument lithium battery and connects constant-current source controller,
The output voltage of instrument lithium battery is 6.4v, and capacity is 20AH1；The output voltage of constant-current source lithium battery is 3.2V, capacity
For 80AH, it provides basis power supply for whole system, and the system major part working environment is field, carries out wired confession at a distance
Electricity, wiring difficulty is higher, and transmission losses is also larger, therefore provides independent current source to ensure system worked well, long range systems simultaneously
Rectification there is also difficulty, therefore provides instrument lithium battery to facilitate external equipment to carry out system rectification.
Further, control single chip computer is also associated with LCDs and keyboard, facilitate system work status display and
The control of system.
In sum, due to employing technique scheme, the beneficial effects of the utility model are：
1. the system monitoring sensitivity is high, and job stability is strong, can independent operating for a long time, intelligence can be carried out to gathered data
Energyization is processed.
2. pass through to adjust the density size of detection electrode, the convenient certainty of measurement to the pipeline of different inner diameters is adjusted.
Brief description
Fig. 1 is this utility model schematic diagram；
Fig. 2 is constant-current source controller circuitry figure of the present utility model.
Specific embodiment
All features disclosed in this specification, in addition to mutually exclusive feature and/or step, all can be with any
Mode combines.
Elaborate to originally new with reference to Fig. 1.
As shown in figure 1, a kind of corrosive pipeline monitoring system based on FSM, including contact module, measurement module, control mould
Block, main frame；Contact module includes electrode matrix, and electrode matrix includes the detection of rectangular arrangement on multiple pipelines located at measurement
Electrode；Measurement module includes the multiway analog switch group being sequentially connected, pre-amplification circuit, A/D convertor circuit, measurement monolithic
Machine, isolated form interface circuit；Control module includes the control single chip computer being connected with power module and constant-current source controller, described electricity
Source module provides working power for system, and control single chip computer is connected with constant-current source controller and main frame respectively；Constant-current source controller
Detection electrode in connection electrode matrix, detection electrode connects multiway analog switch group, and it is single that isolated form interface circuit connects control
Piece machine；Constant-current source controller includes digital regulation resistance U1, integrated transporting discharging U2A, NPN triode Q31；The vcc of digital regulation resistance U1
Pin is grounded by electric capacity C31 while connecting VCC, and its inc pin is connected with the I/O controlling monolithic, and its output port vh is even
It is connected to the positive output end of integrated transporting discharging U2A；The positive input terminal of integrated transporting discharging U2A is grounded by electric capacity C32, and its negative input end is connected
Resistance R31 and resistance R32 ground connection, its outfan is connected to the base stage of audion Q31, the transmitting of audion Q31 by resistance R33
Pole is connected to resistance R31 and the node of resistance R32 by resistance R34, and the colelctor electrode of audion Q32 is defeated as constant-current source controller
Go out end, output constant dc flows to electrode matrix.Digital regulation resistance U1 adopts X9C102, and operational amplifier U2A adopts
HAF17358.Main frame can use PC main frame, enters row data communication by USB with control single chip computer.
Contact module also includes and measures pipe material identical homogeneity on-gauge plate, homogeneity on-gauge plate is also equipped with many
The reference electrode that individual matrix arrangement is connected with constant-current source controller, reference electrode is also connected with multiway analog switch group.
Contact module also includes the temperature sensor being arranged on measurement pipeline, and temperature sensor is passed through in temperature sensor
Interface is connected with isolated form interface circuit.
The constant-current source lithium battery that power module includes instrument lithium battery and connects constant-current source controller, instrument lithium electricity
The output voltage in pond is 6.4v, and capacity is 20AH1；The output voltage of constant-current source lithium battery is 3.2V, and capacity is 80AH.
Control single chip computer is also associated with LCDs and keyboard.
Claims (5)
1. a kind of corrosive pipeline monitoring system based on FSM is it is characterised in that including contact module, measurement module, controlling mould
Block, main frame；Contact module includes electrode matrix, and electrode matrix includes the detection of rectangular arrangement on multiple pipelines located at measurement
Electrode；Measurement module includes the multiway analog switch group being sequentially connected, pre-amplification circuit, A/D convertor circuit, measurement monolithic
Machine, isolated form interface circuit；Control module includes the control single chip computer being connected with power module and constant-current source controller, described electricity
Source module provides working power for system, and control single chip computer is connected with constant-current source controller and main frame respectively；Constant-current source controller
Detection electrode in connection electrode matrix, detection electrode connects multiway analog switch group, and it is single that isolated form interface circuit connects control
Piece machine, constant-current source controller includes digital regulation resistance U1, integrated transporting discharging U2A, NPN triode Q31；The vcc of digital regulation resistance U1
Pin is grounded by electric capacity C31 while connecting VCC, and its inc pin is connected with the I/O controlling monolithic, and its output port vh is even
It is connected to the positive output end of integrated transporting discharging U2A；The positive input terminal of integrated transporting discharging U2A is grounded by electric capacity C32, and its negative input end is connected
Resistance R31 and resistance R32 ground connection, its outfan is connected to the base stage of audion Q31, the transmitting of audion Q31 by resistance R33
Pole is connected to resistance R31 and the node of resistance R32 by resistance R34, and the colelctor electrode of audion Q32 is defeated as constant-current source controller
Go out end, output constant dc flows to electrode matrix.
2. a kind of corrosive pipeline monitoring system based on FSM according to claim 1 is it is characterised in that described contact mould
Block also includes and measures pipe material identical homogeneity on-gauge plate, and homogeneity on-gauge plate is also equipped with multiple matrix arrangement and perseverance
The reference electrode that stream source controller connects, reference electrode is also connected with multiway analog switch group.
3. a kind of corrosive pipeline monitoring system based on FSM according to claim 1 is it is characterised in that described contact mould
Block also includes the temperature sensor being arranged on measurement pipeline, and temperature sensor is connect with isolated form by temperature sensor interface
Mouth circuit connects.
4. a kind of corrosive pipeline monitoring system based on FSM according to claim 1 is it is characterised in that described power supply mould
Block includes instrument lithium battery and the constant-current source lithium battery of connection constant-current source controller, and the output voltage of instrument lithium battery is
6.4v, capacity is 20AH1；The output voltage of constant-current source lithium battery is 3.2V, and capacity is 80AH.
5. a kind of corrosive pipeline monitoring system based on FSM according to claim 1 is it is characterised in that described control list
Piece machine is also associated with LCDs and keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018132.8U CN205982165U (en) | 2016-08-31 | 2016-08-31 | Pipeline corrosion monitoring system based on FSM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018132.8U CN205982165U (en) | 2016-08-31 | 2016-08-31 | Pipeline corrosion monitoring system based on FSM |
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| Publication Number | Publication Date |
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| CN205982165U true CN205982165U (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621018132.8U Active CN205982165U (en) | 2016-08-31 | 2016-08-31 | Pipeline corrosion monitoring system based on FSM |
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| Country | Link |
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| CN (1) | CN205982165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318529A (en) * | 2018-02-02 | 2018-07-24 | 中国石油大学(华东) | For the temperature-compensation method of voltage detecting, electric field fingerprint detection method and system |
-
2016
- 2016-08-31 CN CN201621018132.8U patent/CN205982165U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318529A (en) * | 2018-02-02 | 2018-07-24 | 中国石油大学(华东) | For the temperature-compensation method of voltage detecting, electric field fingerprint detection method and system |
| CN108318529B (en) * | 2018-02-02 | 2020-05-08 | 中国石油大学(华东) | Temperature compensation method for voltage detection, electric field fingerprint detection method and system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231030 Address after: No. 12-1/2-1, Doctor's Park, No. 29 Chuangye South Road, Science and Technology Innovation District, Mianyang City, Sichuan Province, 621000 Patentee after: Sichuan view of New Technology Co.,Ltd. Address before: No. 133 Sheng'an Street, High tech Zone, Chengdu, Sichuan, 610041 Patentee before: SICHUAN CISCO INTELLIGENT TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |