CN104805449A - Device and system for intelligently detecting protection potential state of underground steel pipeline - Google Patents
Device and system for intelligently detecting protection potential state of underground steel pipeline Download PDFInfo
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- CN104805449A CN104805449A CN201510215758.1A CN201510215758A CN104805449A CN 104805449 A CN104805449 A CN 104805449A CN 201510215758 A CN201510215758 A CN 201510215758A CN 104805449 A CN104805449 A CN 104805449A
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Abstract
The invention discloses a device for intelligently detecting a sacrificial anode and cathode protection potential state of an underground steel pipeline. The device comprises a low internal resistance switching circuit, a single-chip microcomputer controller and at least one detection unit, wherein the single-chip microcomputer controller controls the low internal resistance switching circuit, and allows monitoring points which are connected with the low internal resistance switching circuit in advance to be connected or disconnected with the detection units; and when the monitoring points are connected with the detection units, the detection units automatically detect electric readings of the two or more monitoring points. The device can obtain more timely, more accurate and more diversified detection data, can timely and accurately master field environments of the monitoring points by analyzing the data, has the characteristics of automatic detection, automatic analysis and automatic early warning, greatly reduces the workload of manual detection, further improves the accuracy of a detection result, and can achieve early finding and early warning for leakage, breakage, water soaking, stray current interference and the like.
Description
Technical field
The present invention relates to a kind of detection, system of supervision, particularly relate to a kind of buried steel pipeline galvanic anode protection potential state intelligent detection device and system.
Background technology
Along with the development of urbanization process, as the important component part of Urban Buried Pipeline Network--the importance of buried steel pipeline safe operation is also more and more higher.
Sacrificial anode cathodic protection devices is adopted to be one of remarkable technical way reduced of imbedded steel pipe corrosion harm.In order to ensure that cathodic protection potential meets the standard of protection potential, need the protection potential value often detecting cathodic protector.Regulation according to " buried steel pipeline sacrificial anode direct-connected method cathode protection technology specification " (DB31/T 340-2005): " for ease of checking pipe-to-soil potential, anode above earth potential, anode outward current etc.; pipeline is along the line welds a test lead mutually across a certain distance, and connect with ground test box in for measurement." " DB31T 340-2005 buried steel pipe cathode protection technology specification " regulation of issuing on March 22nd, 2005 of Shanghai City; the design service life of sacrificial anode is 15 years; and the regulation detective pole of every half a year to each sacrificial anode is measured, and safeguards every year for detective pole.
Relative to the quantity that buried steel pipeline sacrificial anode cathodic protection devices uses, the manual patrol detection method used at present seems unable to do what one wishes.This brings following two problems.
First workload is huge, and cannot ensure the accuracy of take off data.For gas line; every 2 kilometers, a detective pole is just set; the regulation of " the GBT 21246-2007 buried steel pipeline cathode protecting parameter measuring method " issued for 2007 by country, each measurement needs to detect multiple take off data such as spontaneous potential, energising current potential, switch-off potential, open circuit potential usually.The workload of manual detection is relied on to well imagine.Chen Liyi improves the structure of detective pole in " Full parameter investigating pile for underground pipe sacrificial anode " (patent No. 200420015032.0), reduce testing amount to a certain extent, but still need manual detection, manual operations error cannot be avoided to cause the problem of take off data mistake.
Second is cannot realize early warning for the hidden danger of pipe safety problem.There is seepage at pipeline, break, soak and before the problem such as stray current interference, certain change can occur the data such as current potential, electric current of the different node of pipeline.In seepage, break, soak and stray current interference etc. for problem occur after after, the potential state of pipeline just can be undergone mutation.Existing detection means can only find safety problem occur after potential state sudden change, and early warning cannot be carried out to potential safety hazard.Peng Chong, Xu Ren magnitude discloses a kind of method of automatic detection and gather data in " sacrificial anode or cathod protected automatic detecting and treating system " (patent No. 200610025195.0).Although the program can realize the automatic detection to data, but detection scheme is solidification in " automatic inspection of data module " in advance, and the collection of data gathers and still needs manual intervention (use " moving data acquisition device "), the program obviously cannot realize intelligent early-warning.Ou Li, Chen Hui etc. disclose a kind of Zone negative electrode protective intelligent monitoring systems in " Zone negative electrode protective intelligent monitoring systems " (China Patent No. 03112527); but this system can only be carried out detection and be analyzed to fixing detection scheme, cannot meet the needs of intelligent early-warning.
In addition, study discovery through contriver, the high resistance potential measurement equipment operated out of doors is vulnerable to the interference in unknown signal source, causes the situation detecting data distortion to happen occasionally.This also makes the signal of some early warnings be mistaken as to be equipment to be interfered and out in the cold.
Summary of the invention
For solving the problem, the object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of buried steel pipe galvanic anode protection potential state intelligent detecting method and system are provided.
In order to realize foregoing invention object, technical solution of the present invention is as follows:
A kind of buried steel pipeline galvanic anode protection potential state intelligent detection device; its feature is; comprise low internal resistance switch circuit, singlechip controller, at least one detecting unit; described singlechip controller controls low internal resistance switch circuit; the monitoring point and the described detecting unit that make to access in advance low internal resistance switch circuit are switched on or switched off; when monitoring point and detecting unit are connected, detecting unit detects the electrical readings obtained between two or more monitoring point automatically.
Described detecting unit comprises multiple detecting unit, in order to detect the various electrical readings comprising voltage, electric current and electricity.
Described buried steel pipeline galvanic anode protection potential state intelligent detection device, also comprises SMS data transmit-receive module, low power consuming clock module, detects data A/D converter, data-carrier store and power-supply controller of electric; Described SMS data transmit-receive module, low power consuming clock module, detection data A/D converter, data-carrier store are all connected with the control end of described singlechip controller with power-supply controller of electric;
Described monitoring point and monitoring means are sent to data-carrier store by detecting the electrical readings obtained at every turn by detecting data A/D converter, and are sent to outside according to the electrical readings that single or repeated detection obtain by the instruction of singlechip controller by SMS data transmit-receive module.
Further, the invention also discloses a kind of buried steel pipeline galvanic anode protection potential state intelligent checking system, its feature is, comprise multiple above-mentioned proofing unit be distributed on different detective pole, and draw together communication module, data processing server, generalized information system server and multiple monitoring terminal;
The SMS data transmit-receive module of described communication module and described proofing unit establishes a communications link, and transfer data to described data processing server, after data processing server Intelligent treatment, be transferred to generalized information system server pointed out to warn interface, send alarm message to monitoring terminal simultaneously.
Compared with prior art, the invention has the beneficial effects as follows:
(1) singlechip controller is adopted to be administration module, detection module and low internal resistance switch circuit are provided, by to the arbitrary combination between more than 3 monitoring points, measure its electrical readings, comprise current potential, electric current and SOC values, to obtain more in time, more accurate and more multifarious detection data so that by site environment to the analysis grasp monitoring point promptly and accurately of these data.
(2) when pipeline there is seepage, break, soak and the problem such as stray current interference time protection potential data occur abnormal; after data processing server analysis judges, upload to generalized information system server pointed out to warn interface, send alarm message simultaneously and remind managerial personnel.And distally can change for detection scheme after unusual circumstance, Real-time Collection detects data, verifies early warning information further, makes the information of early warning more reliable, avoids failing to report or reporting by mistake.Low power consuming clock module and energy supply control module are provided, guarantee that system also can realize automatic operation when prosthetic intervention.
(3) there is the feature of automatic detection, automatic analysis, automatic early-warning, significantly decrease the workload of manual detection, further increase the accuracy of detected result simultaneously, for seepage, break, to soak and the problem such as stray current interference can accomplish early to find early early warning.
(4) proofing unit volume is small and exquisite, can be arranged on original detection stake inner, can complete installation, be easy to promote the use of without the need to excavated pavement.
Accompanying drawing explanation
Fig. 1 is the Organization Chart of buried steel pipeline galvanic anode protection potential state intelligent checking system of the present invention;
Fig. 2 is the structural representation of buried steel pipeline galvanic anode protection potential state intelligent detection device of the present invention;
Fig. 3 is enforcement 2 schematic diagram of buried steel pipeline galvanic anode protection potential state intelligent detection device of the present invention;
Fig. 4 is the workflow diagram of buried steel pipeline galvanic anode protection potential state intelligent detection device of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, but should limit the scope of the invention with this.
Please first consult Fig. 1, Fig. 1 is the Organization Chart of buried steel pipeline galvanic anode protection potential state intelligent checking system of the present invention, as shown in the figure:
1, operator initiatively check the work on the spot situation of certain proofing unit 91 by monitoring terminal 95, pass under the instruction that monitor terminal 95 sends by generalized information system server 94, affairs coding to be dealt with is formed Transaction Information by data processing server 93, and the Transaction Information of data processing server 93 is sent to the proofing unit 91 of specifying by communication module 92.Proofing unit 91 is waken up and to the data analysis received, determine to perform instruction according to Transaction Information content effectively, and by the detection data that collect by communication module 92 and remote data processing service device 93 communication, the detection data gathered by proofing unit 91 send to data processing server 93, and carry out the coded treatment of position and various data by data processing server 93 pairs of proofing unit 91 data.Generalized information system server 94 is uploaded to after data processing server 93 Intelligent treatment; generalized information system server 94 is by the field data of the image data after data processing server 93 Intelligent treatment by the galvanic protection of monitor terminal 95 display pipes, and managerial personnel do corresponding process after judging field condition according to the information that monitor terminal 95 shows.
2, when there is no the instruction of monitoring terminal 95, proofing unit 91 is according to the various data of preset program timing acquiring monitoring point, comprise the status data of electrical readings and proofing unit 91, by communication module 92 and remote data processing service device 93 communication, the data that proofing unit 91 gathers are sent to data processing server 93, and the data that timing receives is carried out to the coded treatment of position and various data by data processing server 93.Generalized information system server 94 is uploaded to after data processing server 93 Intelligent treatment, data after data processing server 93 Intelligent treatment are shown site environment information residing for proofing unit 91 by monitor terminal 95 by generalized information system server 94, and the site environment information that managerial personnel show according to monitor terminal 95 does corresponding process.Meanwhile, when the existence of discovery detection data is abnormal or there is disappearance, pointed out to warn interface after systems analysis judgement, and alarm message prompting managerial personnel can be sent.
Fig. 2 is the structural representation of buried steel pipeline galvanic anode protection potential state intelligent detection device of the present invention, as shown in the figure:
1, monitoring point 401 to 4n is test port, 401 to 4n is linked into low internal resistance switch circuit 40.The circuit communication that low internal resistance switch circuit 40 realizes monitoring point and test cell 50 is controlled by singlechip controller 10.
2, singlechip controller 10 controls the combination UNICOM of low internal resistance switch circuit 40 according to the program realizing circuit of setting.Detecting unit 50 reads voltage, electric current or SOC values after 401 to 4n any 2 monitoring points combination automatically.And be converted to storable data by detecting the numerical value obtained by detecting data A/D conversion 52 under the control of singlechip controller 10, then controlled down to be saved in data-carrier store 53 by singlechip controller 10.
3, the data in data-carrier store 53 are carried out coded treatment by singlechip controller 10 control SMS data transmission blocks 30, again the information after coded treatment is sent to communication module 92, passes to by communication module 92 Intelligent treatment that data processing server 93 carries out data gathering.
The workflow of proofing unit as shown in Figure 4;
1, SMS data transmit-receive module 30 wakes singlechip controller 10 up after the instruction receiving monitoring terminal 95, and singlechip controller 10 reads director data that SMS data module 30 receives and to start detection program after information recognition and verification.
2, automatically detect.When not monitoring the instruction start detection of eventually 95, low power consuming clock module 01 wakes the micro-chip 10 of dormancy up in the time that singlechip controller 10 sets.
3, singlechip controller 10 wakes rear start detection power supply up and starts self-inspection; The UNICOM of the electricity of power supply 20, the working order of SMS transceiver module 30 and the data command received, each check point is normal.
4, singlechip controller 10 starts to organize into groups low internal resistance switch circuit 40.
5, the monitoring point of required UNICOM and detecting unit 50 are realized UNICOM respectively by low internal resistance switch circuit 40 under singlechip controller 10 organizes into groups control, read and detect data.
6, the detection data obtained by detecting unit 50 are kept in data-carrier store 53 after singlechip controller 10 controls conversion through A/D data-switching 52.
7, the detection data that data storage 53 is preserved by singlechip controller 10 control SMS wireless sending module 30 are taken out coding transmission respectively and are sent.
8, singlechip controller 10 closes detecting unit power supply, and singlechip controller 10 enters dormancy.
9, the data that data processing server 93 is uploaded according to proofing unit 91 carry out Intelligent Information Processing.
If 10 data processing servers 93 do not receive at specific time the information that proofing unit 91 uploads, send failure warning.
Preferably, after the data detection data sent needed for operation employing wait detection scheme all obtain storing, the scheme that the disposable packing of the data stored by data-carrier store 53 sends.Relative to often obtaining a scheme detecting data and just send immediately, this measure can save the working hour of SMS sending module 30, reduces current consumption.In addition, data processing server 93 needs to receive simultaneously and process the data that multiple proofing unit 91 sends, test to show to adopt and often obtain detection data can take data processing server 93 in a large number system resource with regard to the scheme sent immediately, be unfavorable for increasing work efficiency.
After SMS sending module 30 data are sent completely, and obtain the feedback information that data have accepted.Proofing unit 91 enters holding state subsequently.Data processing server 93 stores the data received, computing and process.Exist as found through computing abnormal, then send alarm message prompting and carry out manual handling.The object of alarm message is to remind manually carries out observing and processing, and the mode sending alarm message can be the forms such as SMS, e-mail, sound and light signal, no matter take which kind of form not affect beneficial effect of the present invention.Exist as do not found through computing abnormal, then perform data storage process.
In the present invention, the supply of power of proofing unit 91 and communication module 92 adopts direct supply, can be store battery, aerogenerator, solar generator, the combination that alternating current-direct current potential device is one kind of or several.
Embodiment 1, System self-test
Operator assign self-checking command by monitoring terminal 95, through data processing server 93 code conversion, send to proofing unit 91 by communication module 92.Proofing unit 91 is waken up and is represented to data processing server 93 return message by communication module 92 and is waken up, and is in holding state.
Subsequent data processing server 93 sends self-checking command by communication module 92 to the proofing unit 91 being positioned at detective pole.Proofing unit 91 performs self-check program, detect connection state and the power supply supply status of each monitoring point and each test cell, the deviation of the temporal information that comparison micro-chip onboard clock and data processing server 93 send, check whether the detection scheme performed by last detection is saved, and detects the voltage value of electrical source of power.After self-inspection completes, by communication module 92, self-checking number is reportedly delivered to data processing server 93.Data processing server 93 is to proofing unit 91 back-checking information.Proofing unit 91 Inspection information, if result conforms to, sends information to data processing server 93 and represents and enter holding state.When proofing unit 91 (such as 5 minutes) within Preset Time receives dormancy instruction that data processing server 93 sends or do not receive the instruction that data processing server 93 returns after exceeding the default time, then proofing unit 91 enters the dormant state of reduce power consumption.
Data processing server 93 stores the data received, computing and process.Exist as found through computing abnormal, then send alarm message prompting and carry out manual handling.The object of alarm message is to remind manually carries out observing and processing, and the mode sending alarm message can be the forms such as SMS, e-mail, sound and light signal, no matter take which kind of form not affect beneficial effect of the present invention.
Embodiment 2. is changed procuratorial organ's case and is detected
In the present embodiment, as shown in Figure 3, monitoring point comprises monitoring point ground connection 00, copper sulfate reference electrode 41,10 monitoring points such as magnesium anode battery 1 grade.Monitoring means 50 comprises the different detecting unit of high resistance linear voltage detecting unit 501, the linear voltage detection unit of low resistance 502, current monitoring unit 503 etc. 3 kinds.
Data processing server 93 wakes instruction by communication module 92 up to proofing unit 911 transmission being positioned at detective pole 1.Proofing unit 91 is waken up and is represented to data processing server 93 return message by communication module 92 and is waken up, and is in holding state.
Subsequent data processing server 93 wakes instruction by communication module 92 up to proofing unit 912 transmission being positioned at detective pole 2 and upgrades detection scheme instruction, and instruction information is sent in the proofing unit 912 of detective pole 2 after receiving instruction by communication module 92.Proofing unit 912 upgrades detection scheme, and carries out detection following (as shown in Figure 3) according to detection scheme.
1. copper sulfate Ginseng electrode 41 and pipe cathode current potential 49 must be connected respectively to the high resistance linear voltage detecting unit 501 of detecting unit 50, after stable reading, reading be stored into data-carrier store 53.
2. copper sulfate Ginseng electrode 41 and testing plate current potential 47 must be connected respectively to the linear voltage detection unit 502 of low resistance of detecting unit 50, after stable reading, reading be stored into data-carrier store 53.
3. cathodic protection current is detected resistance 48 and check point ground connection 00 is connected to current detecting unit 503, after stable reading, reading is stored into data-carrier store 53.
4. copper sulfate Ginseng electrode 41 and magnesium anode battery 4 45 must be connected to the current detecting unit 503 of detecting unit 50, after stable reading, reading be stored into data-carrier store 53.
5., after above-mentioned detection scheme completes, the data in data-carrier store 53 are sent by SMS sending module 30.
Communication module 92 and proofing unit 912 carry out communication, confirm that data are sent to data processing server 93 after errorless by the data of reception and acceptance.If find, data are wrong, then again send, till data are errorless.Proofing unit 912 enters holding state subsequently.Proofing unit 912 does not receive the instruction that data processing server 93 returns after exceeding the default time (such as 5 minutes), then proofing unit 912 enters the dormant state of reduce power consumption automatically.
Data processing server 93 stores the data received, computing and process.If find to exist extremely through computing, send email alerts information reminding according to default and carry out manual handling.
Embodiment 3, does not change the detection of detection scheme
Data processing server 93 to be sent to the proofing unit 911 being positioned at detective pole 1 by communication module 92 and wakes up after instruction wakes proofing unit 911 up, data processing server 93 sends the instruction by last time, detection scheme detected again, and instruction information is sent in the proofing unit 911 of detective pole 1 after receiving instruction by communication module 92.It is as follows that proofing unit 911 carries out detection according to the last detection scheme.
1. copper sulfate Ginseng electrode 41 and pipeline cathode protection current potential 49 must be connected respectively to high resistance linear voltage detecting unit 501, after stable reading, reading be stored into data-carrier store 53.
2. copper sulfate Ginseng electrode 41 and testing plate current potential 47 must be connected respectively to the linear voltage detection unit 502 of low resistance, after stable reading, reading be stored into data-carrier store 53.
3. cathodic protection current is detected resistance 48 and monitoring point ground connection 00 is connected to current detecting unit 503, after stable reading, reading is stored into data-carrier store 53.
4. copper sulfate Ginseng electrode 41 and magnesium anode battery 4 45 must be connected to current detecting unit 503, after stable reading, reading be stored into data-carrier store 53.
5., after above-mentioned detection scheme completes, the data in data-carrier store 53 are sent by SMS sending module 30.
Communication module 92 and proofing unit 91 carry out communication, confirm that data are sent to data processing server 93 after errorless by the data of reception and acceptance.If find, data are wrong, then again send, till data are errorless.Proofing unit 91 enters holding state subsequently.Proofing unit 91 does not receive the instruction that data processing server 93 returns after exceeding the default time (such as 5 minutes), then proofing unit 91 enters the dormant state of reduce power consumption automatically.
Data processing server 93 stores the data received, computing and process.If find to exist extremely through computing, send short message of mobile telephone for alarm information reminding according to default and carry out manual handling.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to the technical scheme of invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (5)
1. a buried steel pipeline galvanic anode protection potential state intelligent detection device, it is characterized in that, comprise low internal resistance switch circuit (40), singlechip controller (10), at least one detecting unit (50), described singlechip controller (10) controls low internal resistance switch circuit (40), the monitoring point and the described detecting unit (50) that make to access in advance low internal resistance switch circuit (40) are switched on or switched off, when monitoring point and monitoring means (50) are connected, monitoring means (50) detects the electrical readings obtained between two or more monitoring point automatically.
2. a kind of buried steel pipeline galvanic anode protection potential state intelligent detection device as claimed in claim 1; it is characterized in that; described detecting unit (50) comprises multiple detecting unit, in order to detect the various electrical readings comprising voltage, electric current and electricity.
3. a kind of buried steel pipeline galvanic anode protection potential state intelligent detection device as claimed in claim 2, it is characterized in that, also comprise SMS data transmit-receive module (30), low power consuming clock module (01), detect data A/D converter (53), data-carrier store (53) and power-supply controller of electric (20); Described SMS data transmit-receive module (30), low power consuming clock module (01), detection data A/D converter (53), data-carrier store (53) are all connected with the control end of described singlechip controller (10) with power-supply controller of electric (20);
Described monitoring point and detecting unit (50) are sent to data-carrier store (53) by detecting the electrical readings obtained at every turn by detecting data A/D converter (53), and are sent to outside according to the electrical readings that single or repeated detection obtain by the instruction of singlechip controller (10) by SMS data transmit-receive module (30).
4. a buried steel pipeline galvanic anode protection potential state intelligent checking system, it is characterized in that, comprise multiple proofing unit as described in any one of claim 1-3 be distributed on different detective pole, and draw together communication module (92), data processing server (93), generalized information system server (94) and multiple monitoring terminal (95);
SMS data transmit-receive module (30) in described communication module (92) and described proofing unit (91) establishes a communications link, and by the digital data transmission that receives to described data processing server (93).Operator assign instruction by monitoring terminal (95), through data processing server (93) code conversion, send to proofing unit (91) by communication module (92).
5. a kind of buried steel pipeline galvanic anode protection potential state intelligent checking system as shown in claim 4, is characterized in that data processing server 93 stores the data received, computing and process.If find to exist through computing abnormal, send alarm message according to default and remind and carry out manual handling, send alarm message mode can be the forms such as SMS, e-mail, sound and light signal.
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| CN109778195A (en) * | 2019-01-04 | 2019-05-21 | 成都市长远管道防腐有限责任公司 | Pipeline transportation cathodic protection and anti-corrosion intelligent management system |
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| CN110093610A (en) * | 2019-06-04 | 2019-08-06 | 西南石油大学 | A kind of polarization potential acquisition methods of buried pipeline |
| 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 |
| CN110954473A (en) * | 2019-11-27 | 2020-04-03 | 同济大学 | Intelligent wireless remote transmission gas pipeline potential monitoring system |
| CN112609185A (en) * | 2021-01-05 | 2021-04-06 | 济宁中石油昆仑能源有限公司 | Intelligent monitoring system for oil gas steel pipeline yin protection |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110058070A (en) * | 2018-01-19 | 2019-07-26 | 深圳信息职业技术学院 | Data acquisition equipment and online monitoring system |
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