CN110144592A - A kind of long distance pipeline cathodic protection distributed electrical position monitoring system - Google Patents
A kind of long distance pipeline cathodic protection distributed electrical position monitoring system Download PDFInfo
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- CN110144592A CN110144592A CN201910532966.2A CN201910532966A CN110144592A CN 110144592 A CN110144592 A CN 110144592A CN 201910532966 A CN201910532966 A CN 201910532966A CN 110144592 A CN110144592 A CN 110144592A
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- cathodic protection
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- optical fiber
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/04—Controlling or regulating desired parameters
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/22—Monitoring arrangements therefor
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
- C23F2213/10—Controlling or regulating parameters
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
- C23F2213/30—Anodic or cathodic protection specially adapted for a specific object
- C23F2213/32—Pipes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of long distance pipeline cathodic protection distributed electrical position monitoring systems; the system includes data acquisition module, optical fiber transmission module, data processor and remote computer monitor terminal, and data acquisition module includes the sensor being acquired for the information to scene that multiple distributions are embedded in along long distance pipeline at test pile；The signal output end of data acquisition module connects the signal input part of data processor by optical fiber transmission module, and the signal output end of data processor is connected to remote computer monitor terminal；Remote computer monitor terminal is analyzed by the data to data processor, and control instruction is sent in multiple cathodic protection stations, and the isochronous controller in cathodic protection station controls the suitable current potential of potentiostat output.Compared with prior art; the information that the present invention may be implemented to bury long distance pipeline scene monitors in real time; simultaneously using potentiostat potential value in each cathodic protection station of distributed control mode real-time control, the corrosion rate of long distance pipeline is effectively reduced, achievees the purpose that cathodic protection.
Description
Technical field
The present invention relates to pipeline potential monitoring fields, especially a kind of long distance pipeline cathodic protection distribution current potential monitoring system
System.
Background technique
With the development of social progress and country, the freight volume of petroleum gas etc. is also more and more.Long distance pipeline
Scale further expansion.But since the distance of the defeated long oil and gas pipeline transport of length is very long, long-distance transport pipes are embedded in field mostly,
It needs to spend a large amount of human and material resources to measure the current potential along long distance pipeline at test pile to carry out artificial line walking to judge to stand
Whether the potentiostat current potential in is arranged rationally.Since the variation of weather or season region and geology often will affect long defeated pipe
The corrosion potential in road, the current potential of potentiostat should just change with the variation of environment in yard at this time, and current constant potential
The setting of instrument current potential is all to measure the current potential that test fills by artificial hunting potentiostat current potential is arranged by experience.Using
Manual type, poor in timeliness can not be monitored round-the-clock all the period of time；As a result predominantly artificial to read, monitoring accuracy compared with
Difference；Since difference, the data of detection people member's level generate the factors such as unstable error, the accuracy of result is seriously affected.
Some enterprise developments automated monitor thus, but existing automated monitor often deposits monitoring data
It stores up in the temporary memory device being arranged on monitoring point, then has artificial importing computer.Although overcoming artificial detection low precision
The problem of, but still without poor in timeliness is solved the problems, such as, i.e. monitoring data are not realtime interpretation, can not embody real time data.And
The previous distributed data acquisition overwhelming majority is preferential configuration, is unsuitable for the installation of field equipment, is also unfavorable for manually supervising
It surveys.Therefore, it is badly in need of researching and developing a kind of real-time inspection and control equipment, related personnel is allowed arbitrarily to understand whether pipeline is in protection
State, the discontinuity for overcoming artificial detection, promote data managing capacity at the manpower and material resources for reducing daily inspection, to the timely palm
Cathodic protection system hidden danger is held and handled to prevent the adverse effects such as the perforation of oil-gas pipeline corrosion caused by corrosive pipeline.
Summary of the invention
The invention aims to solve the deficiencies in the prior art, a kind of stabilization easy to use, safe is provided, can
With the long distance pipeline cathodic protection distributed electrical position monitoring system of real time monitoring.
In order to achieve the above objectives, the present invention is implemented according to following technical scheme:
A kind of long distance pipeline cathodic protection distributed electrical position monitoring system, the system include data acquisition module, optical fiber biography
Defeated module, data processor and remote computer monitor terminal, the data acquisition module include it is multiple distribution be embedded in length it is defeated
The sensor being acquired for the information to scene along pipeline at test pile；The signal output end of data acquisition module is logical
The signal input part of optical fiber transmission module connection data processor is crossed, the signal output end of data processor is connected to remote computation
Machine monitoring terminal, the optical fiber transmission module be used for by data collecting module collected to scene information be transferred to data processing
Device, the data processor are analyzed and processed collected data, and processing result is then transmitted to remote computer prison
Control terminal；The remote computer monitor terminal is analyzed by the data to data processor, and control instruction is transmitted
In to multiple cathodic protection stations, cathodic protection station includes potentiostat and connect with potentiostat for controlling potentiostat output
The processor of current potential, processor and remote computer monitor terminal interconnect；Potentiostat and remote data monitoring terminal, long defeated pipe
The data acquisition module at road and scene constitutes closed-loop regulating system, the current potential for the point that is powered is measured by reference electrode, as sampling
Signal is compared with control signal, and realization controls and adjusts polarization current, so that an energization point current potential is maintained within processor defeated
Out on the controlling potential of current potential, potentiostat includes that four Wiring ports are connected to output cathode, output anode, cathodic protection station respectively
And reference electrode；Output cathode is the negative terminal of potentiostat output, is connected to the energization point of long distance pipeline；Output anode is permanent electricity
The plus end of position instrument, is connected to anode ground bed；Cathodic protection station is the ground terminal of equipment circuit, is connected to long distance pipeline and is powered near point；Ginseng
Than electrode, that is, sampled signal input terminal, the reference electrode being embedded near the point that is powered is connect；Remote computer monitor terminal control yin
Pole protects the potentiostat current potential in the voltage value automatic adjustment cathodic protection station for interior potentiostat of standing to reduce the corrosion of pipeline,
Achieve the purpose that cathodic protection.
Further, the sensor includes for acquiring environment temperature along long distance pipeline at test pile, soil water-containing
Rate, soil pH value, soil salt content, the temperature sensor of soil oxygen content, humidity sensor, pH sensor, salt content sensing
Device, oxygen-containing quantity sensor, temperature sensor, humidity sensor, pH sensor, saliferous quantity sensor, oxygen-containing quantity sensor difference
Collected signal source is transferred to RS-485 by RS-485 bus and turns optic fiber converter, it is defeated to turn optic fiber converter by RS-485
Signal out is transmitted to optical fiber transmission module.
Further, the optical fiber transmission module includes laser source, modulator, light path coupler, optical fiber, optical splitter, light filter
Wave device and photoreceiver, the optical fiber use single mode optical fiber, and optical fiber is close to long distance pipeline laying optical fiber and information is only used as to transmit
Medium transmits collected data, by RS-485 turn optic fiber converter output electric signal by modulators modulate to
On the laser beam that laser issues, same optical fiber is coupled to by light path coupler, then divided light wave by optical splitter
From, while photoreceiver is handled light wave and is transmitted to using optical filter, photoreceiver is converted into after receiving optical signal
Electric signal is sent to data sink, and data sink connect with data processor electric signal being sent to data processor；Swash
Light source output is connect with the input of the processor in cathodic protection station.
It further, further include man-machine interactive system, the processor interconnection of the man-machine interactive system and cathodic protection station is adopted
It is management platform, the electronic map provided by GIS application program, chart and report, with intuitive with Distribution GIS
It observes and protects situation along long distance pipeline, for control and management to be shown, monitored, operated to production process, use simultaneously
To realize centralized watch, operation and information management, and carry out system configuration and maintenance work.
Compared with prior art, the information that the present invention may be implemented to bury long distance pipeline scene monitors in real time, together
Potentiostat potential value in each cathodic protection station of Shi Liyong distributed control mode real-time control, effectively reduces long distance pipeline
Corrosion rate achievees the purpose that cathodic protection.
Detailed description of the invention
Fig. 1 is long distance pipeline cathodic protection distributed electrical position monitoring system figure.
Fig. 2 is the data acquisition module of long distance pipeline cathodic protection distributed electrical position monitoring system.
Fig. 3 is the optic module of long distance pipeline cathodic protection distributed electrical position monitoring system.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, with reference to embodiments, to the present invention into
Row is further to be described in detail.Described herein the specific embodiments are only for explaining the present invention, is not used to limit invention.
As shown in Figure 1 and Figure 2, a kind of long distance pipeline cathodic protection distributed electrical position monitoring system of the present embodiment,
The system includes data acquisition module, optical fiber transmission module, data processor and remote computer monitor terminal, institute
Stating data acquisition module includes that multiple distributions are embedded in along long distance pipeline adopting at test pile for the information to scene
The sensor of collection；The signal output end of data acquisition module is inputted by the signal that optical fiber transmission module connects data processor
End, the signal output end of data processor are connected to remote computer monitor terminal, and the optical fiber transmission module is used for data
The information at the collected scene of acquisition module is transferred to data processor, and the data processor divides collected data
Analysis processing, is then transmitted to remote computer monitor terminal for processing result；The remote computer monitor terminal by pair
The data of data processor are analyzed, and control instruction is sent in multiple cathodic protection stations, and cathodic protection station includes permanent electricity
Position and connect the processor for controlling potentiostat output current potential with potentiostat at instrument, processor and remote computation machine monitoring end
End interconnection；Potentiostat and remote data monitoring terminal, long distance pipeline and the data acquisition module at scene constitute closed loop and adjust
System measures the current potential for the point that is powered by reference electrode, is compared as sampled signal with control signal, realization controls and adjusts
Polarization current is maintained within energization point current potential on the controlling potential of processor output current potential, and potentiostat is by four cables
Composition, potentiostat anode connect anode ground bed, and cathode connects long distance pipeline, and two cables in addition connect reference electrode and ground terminal respectively
(being connected to long distance pipeline to be powered near point) is connected to output anode respectively, output cathode, cathodic protection station and reference electrode；Long-range meter
Calculate the potentiostat electricity in the voltage value automatic adjustment cathodic protection station of potentiostat in machine monitoring terminal control cathodic protection station
Position achievees the purpose that cathodic protection to reduce the corrosion of long distance pipeline.
The system includes data acquisition module, optical fiber transmission module, data processor and remote computer monitor terminal, institute
Stating data acquisition module includes that multiple distributions are embedded in along long distance pipeline adopting at test pile for the information to scene
The sensor of collection；The signal output end of data acquisition module is inputted by the signal that optical fiber transmission module connects data processor
End, the signal output end of data processor are connected to remote computer monitor terminal, and the optical fiber transmission module is used for data
The information at the collected scene of acquisition module is transferred to data processor, and the data processor divides collected data
Analysis processing, is then transmitted to remote computer monitor terminal for processing result；The remote computer monitor terminal by pair
The data of data processor are analyzed, and control instruction is sent in multiple cathodic protection stations, and cathodic protection station includes permanent electricity
Position instrument and processor, potentiostat and remote data monitoring terminal, long distance pipeline and the data acquisition module at scene constitute closed loop
Regulating system measures the current potential for the point that is powered by reference electrode, is compared as sampled signal with control signal, realizes control
And polarization current is adjusted, it is maintained within energization point current potential on the controlling potential of processor output current potential, potentiostat includes
Four Wiring ports are connected to output cathode, output anode, cathodic protection station and reference electrode respectively；Output cathode is that potentiostat is defeated
Negative terminal out is connected to the energization point of long distance pipeline；Output anode is the plus end of potentiostat, is connected to anode ground bed；Zero-bit
The ground terminal that yin is equipment circuit is connect, long distance pipeline is connected to and is powered near point；Reference electrode, that is, sampled signal input terminal, connects and is embedded in
Be powered the neighbouring reference electrode of point；The voltage value of potentiostat is adjusted automatically in remote computer monitor terminal control cathodic protection station
Potentiostat current potential in section cathodic protection station can be effectively reduced the corrosion rate of long distance pipeline, reach the mesh of cathodic protection
's.
In the present embodiment, data processor is one for flow data and batch data using Flink processor
Distributed process engines.It is mainly realized by Java code.It is main at present still to develop by the contribution of open source community.It is right
For Flink, prevailing scenario to be dealt with is exactly flow data, and batch data is a limit special case of flow data.
Again in other words, Flink can be handled all tasks as stream, this is also its maximum feature.
As shown in Fig. 2, sensor includes for acquiring environment temperature along long distance pipeline at test pile, soil water-containing
Rate, soil pH value, soil salt content, the temperature sensor of soil oxygen content, humidity sensor, pH sensor, salt content sensing
Device, oxygen-containing quantity sensor, temperature sensor, humidity sensor, pH sensor, saliferous quantity sensor, oxygen-containing quantity sensor difference
Collected signal source is transferred to RS-485 by RS-485 bus and turns optic fiber converter, it is defeated to turn optic fiber converter by RS-485
Signal out is transmitted to optical fiber transmission module.It, can be with Construction of Long-distance Pipelines due to using the framework of distributed data acquisition
Flexibly expanded and deleted, test pile electrical potential information, the salt content of soil, oxygen content, moisture content, oxygen content letter may be implemented
The acquisition of breath, and by optical fiber by the real-time data transmission of acquisition to monitoring client, suitable voltage is exported simultaneously by data module
Control the potentiostat output relevant voltage in yard.
As shown in figure 3, the optical fiber transmission module includes laser source, modulator, light path coupler, optical fiber, optical splitter, light
Filter and photoreceiver, data sink, the optical fiber use single mode optical fiber, only play transmitting effect in systems, optical fiber is tight
The medium that patch long distance pipeline laying optical fiber is only used as information to transmit, transmits collected data, turns optical fiber by RS-485
The electric signal of converter output passes through on the laser beam that modulators modulate is issued to laser, can also utilize wave multiplexer will simultaneously
Optical carrier is brought together, and is then coupled to same optical fiber by light path coupler, and send by optical fiber；?
The light wave of all kinds of wavelength is separated by optical splitter, while light wave is handled and being passed using optical filter by receiving end
It is sent to photoreceiver, photoreceiver carries out light-electroreduction (wavelength-division multiplex technique) after receiving optical signal, to obtain corresponding
Electric signal, the electric signal are sent to data sink, and data sink can use the RXD of dedicated IC chip, through application-specific integrated circuit
After serial data is changed to parallel data by chip, then to data processor transmit；Laser source output and the place in cathodic protection station
The input connection of device is managed, the processor and remote computer monitor terminal in cathodic protection station interconnect.Using wavelength-division multiplex skill
Art, the technology are to transmit a technology of multiple wavelength optical signal simultaneously on an optical fiber.It is in transmitting terminal by different waves
Long optical signal set (is multiplexed) altogether, and is transmitted in the same root optical fiber being coupled on lightguide cable link, receiving end again
The optical signal of combined wave length is separated into (demultiplexing) and is further processed, original signal is restored and is sent into different terminals.
The present embodiment uses distributed data acquisition technology, which adopts new field data by spot sensor
Collected data are transmitted to optical fiber using RS-485 bus, long distance pipeline is there along numerous test pile, so will be to length by collection
All test pile data along defeated pipeline carry out distributed capture, guarantee all information while property and real-time, collect
Data processor will handle current potential at test pile, position, moisture content, pH value, temperature, salt content, the soil resistivity of soil
Information, cathodic protection potential is not only and corrosion potential is in relation to also related with external environmental factor, thus to acquire multi-class data into
Row analysis processing guarantees that computer monitoring center exports accurate potentiostat current potential.
It further, further include man-machine interactive system, the processor interconnection of the man-machine interactive system and cathodic protection station is adopted
It is management platform, the electronic map provided by GIS application program, chart and report, with intuitive with Distribution GIS
It observes and protects situation along long distance pipeline, for control and management to be shown, monitored, operated to production process, use simultaneously
To realize centralized watch, operation and information management, and carry out system configuration and maintenance work.
Distributed AC servo system of the remote computer monitor terminal to potentiostat in cathodic protection station as shown in Figure 1, each cathode
Various data, whole system information sharing, co-ordination, to complete control system are transmitted by communication network between protection station
General function and optimization processing.Remote computer monitor terminal receives data and control instruction is sent in cathodic protection station, controls
Potentiostat current potential in the voltage value automatic adjustment cathodic protection station that constant potential moves in cathodic protection station processed, makes long distance pipeline
Negative move of current potential is at least up to -850mV or more negative (relative saturation copper sulfate reference electrode CSE), can be effectively reduced length in this way
The corrosion rate of defeated pipeline achievees the purpose that real-time cathodic protection.
Tested through actual use, the long distance pipeline cathodic protection distributed electrical position monitoring system of the present embodiment is explosion-proof, not by
Electromagnetic interference, compact-sized, high sensitivity, using convenience living, long service life, safe and reliable, monitoring point is more, facilitates realization letter
Number long distance transmission and centralized processing, can control potentiostat voltage in multiple cathodic protection stations simultaneously makes long distance pipeline edge
All pipeline sections of line all reach guard mode.
The limitation that technical solution of the present invention is not limited to the above specific embodiments, it is all to do according to the technique and scheme of the present invention
Technology deformation out, falls within the scope of protection of the present invention.
Claims (4)
1. a kind of long distance pipeline cathodic protection distributed electrical position monitoring system, it is characterised in that: the system includes data acquisition module
Block, optical fiber transmission module, data processor and remote computer monitor terminal, the data acquisition module include that multiple distributions are buried
The sensor being acquired for the information to scene being located at along long distance pipeline at test pile；The signal of data acquisition module
Output end connects the signal input part of data processor by optical fiber transmission module, and the signal output end of data processor is connected to
Remote computer monitor terminal, the optical fiber transmission module be used for by data collecting module collected to scene information be transferred to
Data processor, the data processor are analyzed and processed collected data, are then transmitted to processing result remotely
Computer monitoring terminal；The remote computer monitor terminal is analyzed by the data to data processor, will be controlled
Instruction is sent in multiple cathodic protection stations, and cathodic protection station includes potentiostat and connect with potentiostat for controlling permanent electricity
The processor of position instrument output current potential, processor and remote computer monitor terminal interconnect；Potentiostat and remote data monitoring are whole
The data acquisition module at end, long distance pipeline and scene constitutes closed-loop regulating system, and the current potential for the point that is powered is measured by reference electrode,
It is compared as sampled signal with control signal, realization controls and adjusts polarization current, is maintained within an energization point current potential
Processor export current potential controlling potential on, potentiostat include four Wiring ports be connected to respectively output cathode, output anode,
Cathodic protection station and reference electrode；Output cathode is the negative terminal of potentiostat output, is connected to the energization point of long distance pipeline；Output sun
Pole is the plus end of potentiostat, is connected to anode ground bed；Cathodic protection station is the ground terminal of equipment circuit, is connected to long distance pipeline energization point
Near；Reference electrode, that is, sampled signal input terminal connects the reference electrode being embedded near the point that is powered；Remote computer monitor terminal
The potentiostat current potential in the voltage value automatic adjustment cathodic protection station of potentiostat in cathodic protection station is controlled to reduce pipeline
Corrosion, achieve the purpose that cathodic protection.
2. long distance pipeline cathodic protection distributed electrical position monitoring system according to claim 1, it is characterised in that: the biography
Sensor includes for acquiring environment temperature along long distance pipeline at test pile, soil moisture content, soil pH value, soil saliferous
Amount, the temperature sensor of soil oxygen content, humidity sensor, pH sensor, saliferous quantity sensor, oxygen-containing quantity sensor, temperature
Sensor, humidity sensor, pH sensor, saliferous quantity sensor, oxygen-containing quantity sensor will pass through RS-485 bus respectively to be acquired
To signal source be transferred to RS-485 and turn optic fiber converter, optical fiber is transmitted to by the signal that RS-485 turns optic fiber converter output and is passed
Defeated module.
3. long distance pipeline cathodic protection distributed electrical position monitoring system according to claim 1, it is characterised in that: the light
Fine transmission module includes laser source, modulator, light path coupler, optical fiber, optical splitter, optical filter and photoreceiver, the light
Fibre use single mode optical fiber, optical fiber be close to long distance pipeline laying optical fiber be only used as information transmit medium, to collected data into
Row transmission is passed through on the laser beam that modulators modulate is issued to laser by the electric signal that RS-485 turns optic fiber converter output,
It is coupled to same optical fiber by light path coupler, then is separated light wave by optical splitter, while utilizes optical filter pair
Light wave is handled and is transmitted to photoreceiver, and photoreceiver, which receives, to be converted into electric signal after optical signal and be sent to data receiver
Device, data sink connect with data processor electric signal being sent to data processor；Laser source output and cathodic protection station
The input of interior processor connects.
4. long distance pipeline cathodic protection distributed electrical position monitoring system according to claim 1, it is characterised in that: further include
The processor of man-machine interactive system, the man-machine interactive system and cathodic protection station interconnects, and uses Distribution GIS for pipe
Platform, the electronic map provided by GIS application program, chart and report are protected along long distance pipeline with intuitively observing
Protect situation, for production process is shown, is monitored, operate control and management, while to realize centralized watch, operate and
Information management, and carry out system configuration and maintenance work.
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| CN201910532966.2A CN110144592A (en) | 2019-06-19 | 2019-06-19 | A kind of long distance pipeline cathodic protection distributed electrical position monitoring system |
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| CN201910532966.2A CN110144592A (en) | 2019-06-19 | 2019-06-19 | A kind of long distance pipeline cathodic protection distributed electrical position monitoring system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110855751A (en) * | 2019-10-21 | 2020-02-28 | 同济大学 | Segmented hidden buried pipeline cathode protection state monitoring and early warning system and method |
| CN110904460A (en) * | 2019-11-19 | 2020-03-24 | 西安石油大学 | DTU communication-based buried oil and gas pipeline cathode protection remote monitoring system |
| CN111289595A (en) * | 2020-03-11 | 2020-06-16 | 中煤航测遥感集团有限公司 | Natural gas pipeline monitoring system and method |
| CN111690938A (en) * | 2020-06-05 | 2020-09-22 | 大庆市中研技术开发有限公司 | Cathode protection intelligent control method and system |
| CN111893492A (en) * | 2020-08-04 | 2020-11-06 | 西安石油大学 | Auxiliary anode parameter optimization method for cathode protection system |
| CN112210782A (en) * | 2020-10-13 | 2021-01-12 | 西安石油大学 | Distributed station control cathode protection system |
| CN113235095A (en) * | 2021-04-19 | 2021-08-10 | 西安石油大学 | Cathode protection system for station control platform |
| CN113957445A (en) * | 2021-10-12 | 2022-01-21 | 天津哈德韦尔智慧物联科技有限公司 | Bidirectional output quick response potentiostat |
| CN114250471A (en) * | 2021-12-21 | 2022-03-29 | 西安石油大学 | Cathodic protection potential follow-up control system under oil gas wisdom pipeline framework |
| CN114672809A (en) * | 2022-04-01 | 2022-06-28 | 西安石油大学 | Intelligent pipeline cathodic protection control system |
| CN114774927A (en) * | 2022-04-01 | 2022-07-22 | 西安石油大学 | Cathode protection system for oil and gas pipeline |
| CN115852377A (en) * | 2023-02-27 | 2023-03-28 | 南京焱盛科技有限公司 | Distributed control method and system of cathode protection integrated device |
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| CN110855751A (en) * | 2019-10-21 | 2020-02-28 | 同济大学 | Segmented hidden buried pipeline cathode protection state monitoring and early warning system and method |
| CN110904460A (en) * | 2019-11-19 | 2020-03-24 | 西安石油大学 | DTU communication-based buried oil and gas pipeline cathode protection remote monitoring system |
| CN111289595A (en) * | 2020-03-11 | 2020-06-16 | 中煤航测遥感集团有限公司 | Natural gas pipeline monitoring system and method |
| CN111690938A (en) * | 2020-06-05 | 2020-09-22 | 大庆市中研技术开发有限公司 | Cathode protection intelligent control method and system |
| CN111893492A (en) * | 2020-08-04 | 2020-11-06 | 西安石油大学 | Auxiliary anode parameter optimization method for cathode protection system |
| CN112210782A (en) * | 2020-10-13 | 2021-01-12 | 西安石油大学 | Distributed station control cathode protection system |
| CN113235095A (en) * | 2021-04-19 | 2021-08-10 | 西安石油大学 | Cathode protection system for station control platform |
| CN113957445A (en) * | 2021-10-12 | 2022-01-21 | 天津哈德韦尔智慧物联科技有限公司 | Bidirectional output quick response potentiostat |
| CN114250471A (en) * | 2021-12-21 | 2022-03-29 | 西安石油大学 | Cathodic protection potential follow-up control system under oil gas wisdom pipeline framework |
| CN114250471B (en) * | 2021-12-21 | 2023-10-27 | 西安石油大学 | Cathode protection potential follow-up control system under oil gas intelligent pipeline architecture |
| CN114672809A (en) * | 2022-04-01 | 2022-06-28 | 西安石油大学 | Intelligent pipeline cathodic protection control system |
| CN114774927A (en) * | 2022-04-01 | 2022-07-22 | 西安石油大学 | Cathode protection system for oil and gas pipeline |
| CN114672809B (en) * | 2022-04-01 | 2024-01-30 | 西安石油大学 | Intelligent pipeline cathode protection control system |
| CN115852377A (en) * | 2023-02-27 | 2023-03-28 | 南京焱盛科技有限公司 | Distributed control method and system of cathode protection integrated device |
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