CN103806005B - A kind of intelligent remote monitoring of underground utilities galvanic protection, monitoring method - Google Patents

A kind of intelligent remote monitoring of underground utilities galvanic protection, monitoring method Download PDF

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CN103806005B
CN103806005B CN201410092724.3A CN201410092724A CN103806005B CN 103806005 B CN103806005 B CN 103806005B CN 201410092724 A CN201410092724 A CN 201410092724A CN 103806005 B CN103806005 B CN 103806005B
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potentiostat
monitoring
potential
data
protection
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CN201410092724.3A
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CN103806005A (en
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黄金钊
梁宇
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上海道盾科技股份有限公司
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Abstract

A kind of intelligent remote monitoring, monitoring method of underground utilities galvanic protection, by detective pole and potentiostat, be electrically connected to form by potentiostat and steel pipeline and input the transmission path of unit for electrical property parameters protection potential, and according to selected spacing distance at the pipeline needing monitoring, according to appropriate intervals distance, detective pole is arranged on underground utilities; Utilize statllite system, by the GPS module in detective pole and potentiostat, build the accurate location of detective pole and potentiostat, time dissemination system; Become the intellectuality of measured data and control data to collect by GPRS wireless network, server and monitoring host computer system constructing, process and transmission system; GPS is used to unify power-off while that time service being carried out all detective poles on underground utilities, gather potential value simultaneously; Gather the potential data of each detective pole during power-off 0.05 ~ 0.3 second; By the display result of Surveillance center according to the data images curve obtained; instruction is assigned by monitoring host computer system; change the protection potential value of potentiostat setting, and by network, change instruction is sent to potentiostat, make the protected state that underground utilities reach best.

Description

A kind of intelligent remote monitoring of underground utilities galvanic protection, monitoring method
Technical field
The present invention relates to a kind of aseptic technic, especially a kind of intelligent remote monitoring, monitoring method of the underground utilities galvanic protection by means of GPRS network and GPS time service, station-keeping system.
Background technology
Steel petroleum pipe line is that petroleum and petrochemical sector oil product carries requisite container facility, but is in operation, and often suffers the corrosion of inside and outside surrounding medium, produces infringement, bury various potential safety hazard to underground metal tube.Cathode protection technology is a kind of technology preventing or suppress protected metal structures generation galvanic corrosion.By applying certain cathodic current to protected metal, making the current potential of protected metal be defeated by a certain potential value, the anodic reaction on it being inhibited, thus corrosion of metal is controlled.
In the corrosion accident of pipeline, because galvanic protection is not in place, the situation that corrosion is revealed is very many to cause pipeline to occur.Once revealing appears in these pipelines, serious security incident will be caused.According to the present inventor's years of researches, the domestic and international application present situation for metal pipe line galvanic protection monitoring technique aspect is as follows at present:
Most company of doing more advanced adopts galvanic protection wired monitoring in the world, data is incorporated to SCADA system (data gathering and supervisor control).But still there is following problem in this system: cannot managerial personnel be reminded when the relevant data of pipeline cathode protection occurs abnormal, also cannot realize real-time monitoring and management to the protected facility under field, mal-condition; And the management data obtained is only the data of potentiostat or station field device, does not generally have the data of detective pole, pipeline cathode protection condition completely can not be reflected.
In addition, external part takes the cathodic protection system of wireless remote monitering and monitoring, although data gathering, transmission can be realized, there is the problem lacking data logging and analysis, cause accident treatment speed slowly, the not high limitation of manual shift anticathode securing system control accuracy; And most methods is also only the energising current potential gathering pipeline.But the energising current potential of pipeline can not reflect the real conditions of galvanic protection, the galvanic protection management for pipeline is nonsensical, therefore lacks actual application value.
The cathodic protection system of more domestic companies is in unattended, system idle state at present; Cathodic protection system only did test at the installation initial stage and safeguarded, when later stage cathodic protection system lost efficacy, pipeline and storage tank owner did not know, and lacked systematize monitoring management and remedial measures.
In addition; most of companies of domestic installation cathodic protection system take artificial inspection substantially; manual record also the artificial monitoring and detection means operation such as to safeguard; according to specific time and site in cathodic protection system use procedure, the protection usefulness that can cause along with geographical environment, change such as implicit type such as the running time limit, ageing equipment etc. are declined; the phenomenons such as data falseness, disappearance both cannot Timeliness coverage, more can not correct process in time.
The true cathodic protection potential of authentic representative pipeline be the instant cut-off current potential that measuring point is in the identical material test piece of pipeline.The energising current potential of pipeline is because fall containing 1R and there is the error in measurement; The switch-off potential of pipeline itself is because can not eliminate the interference of stray current, so what record is the pipeline switch-off potential disturbed containing stray current, and neither the real current potential of galvanic protection.Therefore, the conclusion provided in the world, state's internal cathodic protection standard is: the switch-off potential of measuring channel measurement point test piece is only cathodic protection potential.
Show in sum: in the underground utilities of petrochemical complex, have employed cathode protection technology although domestic; but; because technology itself also exists numerous incomplete place; the owner of pipeline and storage tank cannot know the true present situation of galvanic protection in time; and also real-time monitoring and adjustment cannot be carried out to operating securing system in management and actual motion, there is great potential safety hazard.
Therefore; how to solve Problems existing in pipe laying cathode protection technology; seek more reliable cathode protection technology; and can either reach remote real-time monitoring to operating cathodic protection system, can realize again remote auto adjustment just becomes the large problem that those skilled in the art should make great efforts solution simultaneously.
Summary of the invention
Object of the present invention: be intended to propose a kind of brand-new remote intelligent cathode protection technology, not only seek a kind of brand-new galvanic protection means, remote monitoring and regulation and control can also be realized simultaneously.
Intelligent remote monitoring, the monitoring method of this underground utilities galvanic protection, is characterized in that: comprise the following steps:
A. galvanic protection intelligent monitor system is built
Select the detective pole being furnished with polarized probe, intelligent controller, GPRS module and GPS module and the potentiostat being furnished with intelligent controller, GPRS module and GPS module, be electrically connected to form by potentiostat and steel pipeline and input unit for electrical property parameters (protection potential) transmission path, and detective pole is arranged on underground utilities according to selected spacing distance needing the pipeline of monitoring, gather the energising current potential of test piece, switch-off potential and spontaneous potential by detective pole;
Select the server being furnished with intelligent remote monitoring and management system and the computer being arranged on Surveillance center as monitoring host computer system; Become the intellectuality of measured data and control data to collect by GPRS wireless network, server and monitoring host computer system constructing, process and transfers net system;
Utilize gps satellite system or Beidou satellite system, by the GPS module in detective pole and potentiostat, be built into realize detective pole and potentiostat accurate location, time dissemination system;
B. power down bit method of masurement is selected
Use GPS or big-dipper satellite station-keeping system to unify time service, power-off while that all detective poles on certain underground utilities being carried out, gather the operation of energising current potential, switch-off potential and spontaneous potential simultaneously, the potential data of each detective pole during collection power-off 0.05 ~ 0.3 second; And the galvanic protection intelligent monitor system passing through to have built is by the monitoring host computer system of above-mentioned data upload to Surveillance center, carries out automatic or manual identification by intelligent remote monitoring and management system in server;
C. by the managerial personnel of expert systems or Surveillance center according to the display result of the data images curve obtained; instruction is assigned by monitoring host computer system; change the protection potential value of potentiostat setting; and by GPRS network, change instruction is sent to potentiostat; make the protected state that protected underground utilities reach best; also intelligent management system software automatic analysis protection potential data can be passed through; automatically instruction is assigned; the protection potential of amendment potentiostat, makes protected underground pipeline reach normal guard mode.
It is monitoring operating steps following (see Fig. 1) specifically:
A, first send test instruction by monitoring host computer system 4, through GPRS network, each detective pole 3 and potentiostat 1 are sent in test instruction.
Energising current potential, switch-off potential and spontaneous potential value that b, each detective pole 3 detect at the same time acquisition detective pole that GPS time service is specified according to instruction, and according to the geographic position data that GPS determines; And pass through GPRS net the data that monitoring obtains back monitoring host computer system 4; Each potentiostat, according to instruction, obtains in same time that GPS time service is specified protection potential, outward current and the output voltage that detective pole detects, and according to the geographic position data that GPS determines; And pass through GPRS net the data that monitoring obtains back monitoring host computer system 4.
C, to be utilized by monitoring host computer system 4 and be arranged on that energising current potential, switch-off potential and the spontaneous potential value that expert diagnostic system in server 5 and monitoring host computer system 4 uploads the protection potential of the potentiostat obtained, outward current, output voltage and detective pole processes, image ratio pair, determine that whether normal surveyed data are.The normal then monitoring host computer system of numerical value for the correction program determination of this uploading data, otherwise enters manual correction or automatically controls to correct operation.
D, the correct protection potential numerical value being selected to revise by managerial personnel, through monitoring host computer system 4, the protection potential numerical value of manual correction is sent to potentiostat 1 by GPRS network, the unit for electrical property parameters (protection potential) of the applying of adjustment potentiostat 1 pair of pipeline 2; Or calculate correct protection potential numerical value by intelligent management system, automatically steering order is sent to potentiostat 1 by GPRS network, the unit for electrical property parameters (protection potential) of the applying of adjustment potentiostat 1 pair of pipeline 2.
E, again send test instruction by monitoring host computer system 4, through GPRS network, each detective pole 3 and potentiostat 1 are sent in test instruction; Till the test data obtaining each detective pole 3 until monitoring host computer system 4 meets the valve territory potential value of galvanic protection setting.
In practice, when being provided with the pipe inspection of multiple stage potentiostat, monitoring in a pipeline, the operation that multiple stage potentiostat carries out power-off measurement, simultaneously image data, simultaneously uploading data simultaneously can be set.
Described potentiostat long-rangely can carry out the operations such as switching on and shutting down, reserve machine switching, overproof reset.
Advantage:
According to intelligent remote monitoring, the monitoring method of this underground utilities galvanic protection that above technical scheme proposes, generally use compared with domestic and international published cathode protection technology with existing, have the following advantages:
A, there is remote monitoring and automated intelligent controlling functions; Several system can realize synchronous power-off, synchronous operation; Can the frequency of remote adjustment data gathering;
B, the power-off measurement carried out according to standard synchronisation time 0.050 ~ 0.300s, can make the data of cathodic protection potential more accurate;
C, employing B/S architecture design, can realize the login management of internet whenever and wherever possible of client;
D, can accurately search rapidly cathodic protection system obstacle and stray current interference;
E, system have automatic reminding function;
F, server platform can expand monitoring project needed for client and data.
Accompanying drawing explanation
Accompanying drawing 1 is that galvanic protection intelligent monitor system proposed by the invention forms schematic diagram;
Fig. 2 is remote monitoring, manipulation schematic diagram;
Fig. 3 is remote monitoring, manipulation schematic flow sheet.
In figure: 1 ?potentiostat 2 ?pipeline 3 ?detective pole 4 ?monitoring host computer system 5 ?the webserver 6 ?gps satellite station-keeping system 7 ?GPRS base station.
Embodiment
Set forth the present invention further below in conjunction with Figure of description, and provide embodiments of the invention.
Intelligent remote monitoring, the monitoring method of this underground utilities galvanic protection as Figure 1-3, its remote monitoring, monitoring step are as follows:
A. galvanic protection intelligent monitor system is built
Select the detective pole being furnished with polarized probe, intelligent controller, GPRS module and GPS module and the potentiostat being furnished with intelligent controller, GPRS module and GPS module; be electrically connected to form by potentiostat and steel pipeline and input unit for electrical property parameters (protection potential) transmission path; and needing the pipeline of monitoring and according to appropriate intervals distance or needing the pipeline section of monitoring to be arranged on underground utilities by detective pole according to selected spacing distance, gather the energising current potential of test piece, switch-off potential and spontaneous potential by detective pole.
Select the server being furnished with intelligent remote monitoring and management system and the computer being arranged on Surveillance center as monitoring host computer system; Become the intellectuality of measured data and control data to collect by GPRS wireless network, server and monitoring host computer system constructing, process and transfers net system.
Utilize gps satellite system or Beidou satellite system, by the GPS module in detective pole and potentiostat, be built into realize detective pole and potentiostat accurate location, time dissemination system.
B. power down bit method of masurement is selected
Use GPS to unify time service, power-off while that all detective poles on certain underground utilities being carried out, gather the operation of energising current potential, switch-off potential and spontaneous potential, the potential data of each detective pole during collection power-off 0.05 ~ 0.3 second simultaneously; And the galvanic protection intelligent monitor system passing through to have built is by the monitoring host computer system of above-mentioned data upload to Surveillance center, carries out automatic or manual identification by intelligent remote monitoring and management system in server;
C. by the managerial personnel of expert's automatic system or Surveillance center according to the display result of the data images curve obtained; instruction is assigned by monitoring host computer system; change the protection potential value of potentiostat setting; and by GPRS network, change instruction is sent to potentiostat; make the protected state that protected underground utilities reach best; also intelligent management system software automatic analysis protection potential data can be passed through; automatically instruction is assigned; the protection potential of amendment potentiostat, makes protected underground pipeline reach normal guard mode.
Fig. 3 gives concrete policer operation flow process of the present invention; Specifically monitoring operating steps is as follows for it:
A, first send test instruction by monitoring host computer system 4, through GPRS network, each detective pole 3 and potentiostat 1 are sent in test instruction.
Energising current potential, switch-off potential and spontaneous potential value that b, each detective pole 3 detect at the same time acquisition detective pole that GPS time service is specified according to instruction, and according to the geographic position data that GPS determines; And pass through GPRS net the data that monitoring obtains back monitoring host computer system 4; Each potentiostat, according to instruction, obtains in same time that GPS time service is specified protection potential, outward current and the output voltage that detective pole detects, and according to the geographic position data that GPS determines; And pass through GPRS net the data that monitoring obtains back monitoring host computer system 4.
C, to be utilized by monitoring host computer system 4 and be arranged on that energising current potential, switch-off potential and the spontaneous potential value that expert diagnostic system in server 5 and monitoring host computer system 4 uploads the protection potential of the potentiostat obtained, outward current, output voltage and detective pole processes, image ratio pair, determine that whether normal surveyed data are.The normal then monitoring host computer system of numerical value for the correction program determination of this uploading data, otherwise enters manual correction or automatically controls to correct operation.
D, the correct protection potential numerical value being selected to revise by managerial personnel, through monitoring host computer system 4, the protection potential numerical value of manual correction is sent to potentiostat 1 by GPRS network, the unit for electrical property parameters (protection potential) of the applying of adjustment potentiostat 1 pair of pipeline 2; Or calculate correct protection potential numerical value by intelligent management system, automatically steering order is sent to potentiostat 1 by GPRS network, the unit for electrical property parameters (protection potential) that adjustment potentiostat 1 pair of pipeline 2 applies.
E, again send test instruction by monitoring host computer system 4, through GPRS network, each detective pole 3 and potentiostat 1 are sent in test instruction; Till the test data obtaining each detective pole 3 until monitoring host computer system 4 meets the accurate potential value of galvanic protection setting.
In practice: the spacing that described detective pole is arranged can be determined according to the change of landform, environment, in topographic relief comparatively complex environment, distance is set can makes a choice between 1 ~ 5 kilometer of set detective pole.Described detective pole is provided with timing wake-up system, and each detective pole 3, according to set acquisition time, woke up before 1 minute of accurate acquisition time, and the various piece that participation is tested reaches best working order; When arriving correct time, gather the energising current potential of test piece, spontaneous potential and switch-off potential, and upload on the master server of Surveillance center in the time of setting; Complete gather and after uploading action, in order to save the consumption of electric energy, the electronic system of Intelligent testing test pile enters dormant state automatically.
Described potentiostat can accept the various work orders assigned by main control system at any time, the working order of amendment potentiostat.The work order that detective pole accepts amendment can only wait until that detective pole arrives after the next test duration is waken up, and just can perform new work order, change the time of sampling interval and reported data.
In practice, the pipeline being provided with multiple stage potentiostat in a pipeline detects, when monitoring, can set the operation that multiple stage potentiostat carries out power-off, simultaneously image data, simultaneously uploading data simultaneously.
Described potentiostat long-rangely can carry out the operations such as switching on and shutting down, reserve machine switching, overproof reset.
According to intelligent remote monitoring, the monitoring method of this underground utilities galvanic protection that above technical scheme proposes; the fixing monitoring host computer system 4 that both can have been arranged by whole pipeline network carries out timing monitoring to entirely descending steel pipeline; also can utilize PC, the means of communication etc. of notebook computer or movement accesses this detection, supervisory system by the IP address of setting, realize at any time, intelligent remote monitoring operation be carried out to entirely underground pipelines everywhere.
In addition, expert's automatic system or Surveillance center can carry out priority assignation by monitoring host computer system: set after some users log in and can change data parameters (the protection potential value as potentiostat) etc., control supervisory system; And other users can only the result of browsing data image and analysis after logging in, the data parameters of Surveillance center can not be changed.
Simultaneously; the function that expert's automatic system or Surveillance center have short message to remind, according to the analytical results of data images curve, the protection class of automatic discrimination pipeline conditions; and according to setting in advance, send note or mail to the mobile phone of designated person or other mobile equipment.”
Embodiment 1:
By the interval time of the data upload of send instructions under monitoring host computer setting potentiostat and detective pole.The data upload of potentiostat is shorter for interval time, is generally 5 minutes, and higher data upload frequencies can obtain as far as possible real-time data; The data upload of detective pole is longer for interval time, is generally 12 hours, carries out daily routine test data gathering.When data upload, potentiostat and detective pole independently carry out GPS time service, lock in time by its GPS module of assembling, to ensure the time precision of data upload.
Its service data and gps data are uploaded to monitoring host computer by wireless network according to the timefrequency of setting by potentiostat, its potential data and gps data are uploaded to monitoring host computer by wireless network according to setting-up time frequency by detective pole, after monitoring host computer receives the sampled signal that potentiostat or detective pole upload, sampled signal potentiostat uploading data and detective pole uploaded respectively is compared with the standard signal preset, if sampled signal is in the normal threshold values interval of standard signal, then monitoring host computer judges that sampled signal is normal; If sampled signal is not in the normal threshold values interval of standard signal; then monitoring host computer judges that sampled signal is abnormal; monitoring host computer calculates modified values automatically according to sampled signal; and modify instruction is issued to potentiostat automatically; potentiostat revises its operating potential value after receiving the modify instruction of monitoring host computer, and the pipeline cathode protection current work making it administer is normal.
Meanwhile, staff can utilize PC, notebook computer or mobile terminal by network access monitoring main frame, checks current or history monitoring information whenever and wherever possible, receives data and reports to the police, such that pipeline is patrolled, malfunction elimination work is more efficient.Repeat above-mentioned flow process, the full-automation that can realize the line service of pipeline cathode protection runs, and by shortening the data upload timed interval of potentiostat and detective pole, can obtain more accurate real time data; Or extend the data upload timed interval of potentiostat and detective pole, the network traffics that data upload consumes can be reduced, reduce cost of use.According to the routine work plan configuration data upload time, balance can be reached in data precision and network charges.
Embodiment 2:
Daily data sampling work is carried out according to embodiment 1; if sampled signal is not in the normal threshold values interval of standard signal; then monitoring host computer judges that sampled signal is abnormal; monitor staff is according to sampled signal manual calculations modified values; and modify instruction is manually issued to potentiostat; potentiostat revises its operating potential value after receiving the modify instruction of monitoring host computer, and the pipeline cathode protection current work making it administer is normal.
Meanwhile, monitor staff also manually can send test instruction, in the timed interval of amendment detective pole data upload, increase the data upload timefrequency of detective pole, or control detective pole carries out power-off test and uploading data in real time, so that carry out malfunction elimination work.
Artificial Control function is increased outside the full-automation of the line service of pipeline cathode protection runs; the experience advantage of technical specialist can be given full play to; real time status according to pipeline field adjusts testing process flexibly; to obtain the True Data the most close with field condition, high precision, the high-level efficiency of being convenient to pipeline cathode protection work are carried out.The control mode of this man-machine one makes supervisory system more intelligent.

Claims (6)

1. intelligent remote monitoring, the monitoring method of underground utilities galvanic protection, is characterized in that: comprise the following steps:
A. galvanic protection intelligent monitor system is built
Select the detective pole being furnished with polarized probe, intelligent controller, GPRS module and GPS module and the potentiostat being furnished with intelligent controller, GPRS module and GPS module, be electrically connected to form by potentiostat and steel pipeline and input the transmission path of unit for electrical property parameters protection potential, and detective pole is arranged on underground utilities according to selected spacing distance needing the pipeline section of monitoring, gather the energising current potential of test piece, switch-off potential and spontaneous potential by detective pole;
Select the server being furnished with intelligent remote monitoring and management system and the computer being arranged on Surveillance center as monitoring host computer system; Become the intellectuality of measured data and control data to collect by GPRS wireless network, server and monitoring host computer system constructing, process and transfers net system;
Utilize gps satellite system or Beidou satellite system, by the GPS module in detective pole and potentiostat, be built into realize detective pole and potentiostat accurate location, time dissemination system;
B. power down bit method of masurement is selected
Use GPS to unify time service, power-off while that all detective poles on certain underground utilities being carried out, gather the operation of energising current potential, switch-off potential and spontaneous potential, the potential data of each detective pole during collection power-off 0.05 ~ 0.3 second simultaneously; And the galvanic protection intelligent monitor system passing through to have built is by the monitoring host computer system of above-mentioned data upload to Surveillance center, carries out automatic or manual identification by intelligent remote monitoring and management system in server;
C. by the managerial personnel of expert systems or Surveillance center according to the display result of the data images curve obtained, instruction is assigned by monitoring host computer system, change the protection potential value of potentiostat setting, and by GPRS network, change instruction is sent to potentiostat, make the protected state that protected underground utilities reach best; Or by intelligent management system software automatic analysis protection potential data, automatically assign instruction, the protection potential of amendment potentiostat, makes protected underground pipeline reach normal guard mode.
2. intelligent remote monitoring, the monitoring method of a kind of underground utilities galvanic protection as claimed in claim 1, it is as follows that it specifically monitors operating steps:
A, first send test instruction by monitoring host computer system (4), through GPRS network, each detective pole (3) and potentiostat (1) are sent in test instruction;
Energising current potential, switch-off potential and spontaneous potential value that b, each detective pole (3) detect at the same time acquisition detective pole that GPS time service is specified according to instruction, and according to the geographic position data that GPS determines, and pass through GPRS net the data that monitoring obtains back monitoring host computer system (4); Each potentiostat is according to instruction, protection potential, outward current and the output voltage that detective pole detects is obtained in same time that GPS time service is specified, and according to the geographic position data that GPS determines, and pass through GPRS net the data that monitoring obtains back monitoring host computer system (4);
C, to be utilized by monitoring host computer system (4) and be arranged on that energising current potential, switch-off potential and the spontaneous potential value that expert diagnostic system in server (5) and monitoring host computer system (4) uploads the protection potential of the potentiostat of acquisition, outward current, output voltage and detective pole processes, image ratio pair, determine that whether normal surveyed data are, the normal then monitoring host computer system of numerical value for the correction program determination of this uploading data, otherwise enters manual correction or automatically controls to correct operation;
D, the correct protection potential numerical value being selected to revise by managerial personnel, through monitoring host computer system (4), the protection potential numerical value of manual correction is sent to potentiostat (1) by GPRS network, adjustment potentiostat (1) is to the unit for electrical property parameters protection potential of the applying of pipeline (2); Or calculate correct protection potential numerical value by intelligent management system, automatically steering order is sent to potentiostat (1) by GPRS network, adjustment potentiostat (1) is to the protection potential of the expression unit for electrical property parameters of the applying of pipeline (2);
E, again send test instruction by monitoring host computer system (4), through GPRS network, each detective pole (3) and potentiostat (1) are sent in test instruction; Till the test data obtaining each detective pole (3) until monitoring host computer system (4) meets the accurate potential value of galvanic protection setting.
3. intelligent remote monitoring, the monitoring method of a kind of underground utilities galvanic protection as claimed in claim 1, it is characterized in that: described detective pole is provided with timing wake-up system, each detective pole (3) woke up before 1 minute of accurate acquisition time according to the time of the collection of setting, and the various piece that participation is tested reaches best working order; When arriving correct time, gather the energising current potential of test piece, spontaneous potential and switch-off potential, and upload on the master server of Surveillance center in the time of setting; Complete gather and after uploading action, in order to save the consumption of electric energy, the electronic system of Intelligent testing test pile enters dormant state automatically.
4. intelligent remote monitoring, the monitoring method of a kind of underground utilities galvanic protection as claimed in claim 1, is characterized in that: described potentiostat can accept the various work orders assigned by main control system at any time, the working order of amendment potentiostat; The work order that detective pole accepts amendment can only wait until that detective pole arrives after the next test duration is waken up, and just can perform new work order, change the time of sampling interval and reported data.
5. intelligent remote monitoring, the monitoring method of a kind of underground utilities galvanic protection as claimed in claim 1; it is characterized in that: in practice; when being provided with the pipe inspection of multiple stage potentiostat, monitoring in a pipeline, the multiple stage potentiostat of setting is carried out simultaneously to the operation of power-off, simultaneously image data, simultaneously uploading data.
6. intelligent remote monitoring, the monitoring method of a kind of underground utilities galvanic protection as claimed in claim 1, is characterized in that: described potentiostat can carry out switching on and shutting down by Long-distance Control, reserve machine switches, overproof reset operation.
CN201410092724.3A 2014-03-13 2014-03-13 A kind of intelligent remote monitoring of underground utilities galvanic protection, monitoring method CN103806005B (en)

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CN203065576U (en) * 2013-03-06 2013-07-17 李志成 Device for remotely monitoring cathode protection of crude oil long-distance pipeline
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