[go: up one dir, main page]

CN1294412C - Round inspection monitoring system and method for cathode protection signal of long conveying pipeline - Google Patents

Round inspection monitoring system and method for cathode protection signal of long conveying pipeline Download PDF

Info

Publication number
CN1294412C
CN1294412C CNB02121493XA CN02121493A CN1294412C CN 1294412 C CN1294412 C CN 1294412C CN B02121493X A CNB02121493X A CN B02121493XA CN 02121493 A CN02121493 A CN 02121493A CN 1294412 C CN1294412 C CN 1294412C
Authority
CN
China
Prior art keywords
cathode protection
pipeline
computing machine
circuit
monitoring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB02121493XA
Other languages
Chinese (zh)
Other versions
CN1388367A (en
Inventor
谢自力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN SHELLY INDUSTRIAL AUTOMATION ENGINEERING Co Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CNB02121493XA priority Critical patent/CN1294412C/en
Publication of CN1388367A publication Critical patent/CN1388367A/en
Application granted granted Critical
Publication of CN1294412C publication Critical patent/CN1294412C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Prevention Of Electric Corrosion (AREA)

Abstract

The present invention relates to a patrol monitoring system for a cathode protection signal of a long conveying pipeline, which comprises a plurality of wireless monitoring storage devices of the cathode protection of the pipeline, a wireless patrol sampling and collecting device of the cathode protection of the pipeline, and a computer, wherein a computer communication interface of the wireless patrol sampling and collecting device of the cathode protection of the pipeline is connected with a computer interface of the computer through an information interface cable. A monitoring method of the patrol monitoring system of a cathode protection signal of the long conveying pipeline comprises: starting the computer, clicking a monitoring software package by a mouse, and inputting a control signal to be converted into a program execution command to be stored; carrying out wireless controlled timing patrol, collecting samples, sending controlled data, generalizing, analyzing, processing and storing the input collected data of the samples by a computer processing device, and displaying measured data or figures of each monitoring point by a display. The present invention has the advantages of simple structure of the devices and the system, convenient operation, and timely and accurate measurement of the data.

Description

A kind of cathode protection signal of long conveying pipeline is patrolled and examined monitoring system and monitoring method
Technical field
The invention belongs to the measurement mechanism class, relate in particular to the monitoring device of corrosive pipeline and cathodic protection.
Background technology
At present, the pipeline transportation of fluid is industry, the most a kind of means of transportation of safe cheapness in the public life, extensively adopted by current society, as the pipeline transportation of oil, combustion gas, tap water, chemosynthesis agent etc.After the pipeline that lays uses through certain hour, corrosion phenomenon takes place in regular meeting, for a long time and length can be leaked in the skirt road, breaks and waits damage, weight person whole pipe to transport to paralyse, and generation substantial pollution, explosion accident influence normal commercial production and people's lives.To this, very necessary for monitoring the underground pipeline corrosion protection situation.The normal utilization of people preset guard electrode, adopts the method for manual measurement and manual record cathode protecting parameter, or adopts wireless transmit to measure its data to terminal.The former operating personnel need make a difficult journey, point-to-point measurement, and time-consuming, effort, the reliability standard of measurement data is low; The numerous high-power transmitters of the latter are subjected to power supply restriction and cost high, are difficult to carry out, thereby bring many difficulties to the monitoring of pipe cathode corrosion, influence the effect of pipe protection work directly or indirectly.
Summary of the invention
The purpose of this invention is to provide a kind of cathode protecting signals of pipeline monitoring system and monitoring method, solve an above-mentioned difficult problem, and be applicable to pipe cathode corrosion and routine is carried out in protection or emphasis is patrolled and examined monitoring.
The object of the present invention is achieved like this:
A kind of cathode protection signal of long conveying pipeline is patrolled and examined monitoring system, and it comprises:
1, several pipeline cathode protection wireless monitor memory storages, described pipeline cathode protection wireless monitor memory storage is imported the utmost point by signal, the A/D change-over circuit, MCU control module circuit, short-range pair of power radio station of low-power consumption modular circuit A, power supply A, the clock module circuit constitutes, the signal input utmost point is by conductor and A/D change-over circuit, MCU control module circuit, short-range pair of power radio station of low-power consumption modular circuit A is linked in sequence, MCU control module circuit also is connected with the clock module circuit by conductor, power supply A also by conductor respectively with the signal input utmost point, the A/D change-over circuit, MCU control module circuit, short-range pair of power radio station of low-power consumption modular circuit A, the clock module circuit connects;
2, a pipeline cathode protection radio patrol checking sample acquisitions device, described pipeline cathode protection radio patrol checking sample acquisitions device is by short-range pair of power radio station of low-power consumption modular circuit B, central processing unit, the computing machine communication interface, the calibration clock circuit, data capture definition and memory module, power supply B constitutes, central processing unit by conductor respectively with short-range pair of power radio station of low-power consumption modular circuit B, the calibration clock circuit, data capture definition and memory module, the first computing machine communication interface connects, power supply B also by conductor respectively with central processing unit, short-range pair of power radio station of low-power consumption modular circuit B, the calibration clock circuit, data capture definition and memory module, the first computing machine communication interface connects;
3, one computing machines, described computing machine is made of computer processor unit, the second computing machine communication interface, mouse, display, and computer processor unit is connected with the second computing machine communication interface, mouse, display respectively by conductor;
The computing machine communication interface of described pipeline cathode protection radio patrol checking sample acquisitions device also is connected with the computer interface of computing machine by the information interface cable.
A kind of cathode protection signal of long conveying pipeline is patrolled and examined the monitoring method of monitoring system, comprises the following steps:
1, open computing machine;
2, patrol and examine the control signal of monitoring of software bag and input channel protection negative electrode by the computing machine pipeline cathodic protection that is provided with in the click computer processor unit, and be converted to program execution command and storage by computer processor unit;
3, connect computer processor unit and pipeline cathode protection radio patrol checking sample acquisitions device with the information interface cable, by the execution of program instructions and the storage of pipeline cathode protection radio patrol checking sample acquisitions device receiving computer input;
4; by the antenna on the pipeline cathode protection radio patrol checking sample acquisitions device; and the wireless telecommunications between the antenna on the pipeline cathode protection wireless monitor memory storage, the monitoring execution of program instructions of pipeline cathode protection wireless monitor memory storage receiving pipeline cathodic protection radio patrol checking sample acquisitions device input and storage:
5, pipeline cathode protection wireless monitor memory storage execution of program instructions, self-timing and synchronous monitoring pipeline cathode protection data, and measurement data signals stored;
6; by antenna on the pipeline cathode protection radio patrol checking sample acquisitions device and the wireless transmission between the antenna on the pipeline cathode protection wireless monitor memory storage; to pipeline cathode protection radio patrol checking sample acquisitions device (in one or more pipeline cathode protection radio patrol checking sample acquisitions devices) mutually communication transmit signal, the operation information of measurement data and be stored in the pipeline cathode protection radio patrol checking sample acquisitions device, (display that also can on-the-spot mountain pipeline cathode protection radio patrol checking sample acquisitions dress stomach shows the measurement data or the figure of each monitoring point):
7, by the signaling interface cable pipeline cathode protection radio patrol checking sample acquisitions device is connected with the communication interface of computing machine, to whole measurement data signals of computer processor unit input channel cathodic protection wireless monitor memory storage sample acquisitions;
8, by computer processor unit the sample acquisitions data of input are concluded, analyze, handled and store, and show the measurement data or the figure of each monitoring point by display.
Because the present invention has adopted above technical scheme, thereby has following advantage:
1, realize automatic cathodic protection monitoring robotization, system design is ingenious, and is practical, can the field monitoring scheme that generate be set according to the actual needs of cathodic protection specialty.
2, utilize pipeline cathode protection wireless monitor memory storage once all to gather whole measurement data in the special time, and can set cathodic protection Information Monitoring scheme.
3, regular, timing automatic is monitored the cathodic protection measurement data and is stored in the pipeline cathode protection wireless monitor memory storage.
4, can gather high-precision cathodic protection information, as: cathodic protection data such as instant cut-off current potential, stray current.
5, adopt the low-power wireless communication device, effectively reduce cost, only need the field monitoring staff near near the collection that can realize cathodic protection information the cathodic protection test point.This is for lofty mountains and steep hills, the test job of rift provides great convenience.
6, realize cathodic protection data monitoring robotization and to the processing of electronic document data, scenting a hidden danger solves early, prevent that the long distance pipeline cathodic protection lost efficacy.
7, the apparatus system simple structure, easy to operate.
Description of drawings
Fig. 1 is the circuit theory schematic block diagram of a kind of cathode protecting signals of pipeline monitoring system of the present invention.
Among the figure
1, pipeline cathode protection wireless monitor memory storage 2, pipeline cathode protection radio patrol checking sample acquisitions dress
3, computing machine is put
5, A/D change-over circuit 4, the signal input utmost point
7, power supply A 6, MCU control module circuit
9, two power radio station modular circuit A 8, clock module circuit
11, calibration clock circuit 10, power supply B
13, the first computing machine communication interface 12, data capture definition and memory modules
15, two power radio station modular circuit B 14, central processing unit
17, mouse 16, the second computing machine communication interfaces
19, display 18, computer processor unit
20, the information interface cable
Embodiment
Below in conjunction with accompanying drawing enforcement of the present invention is done as detailed below:
In Fig. 1; cathode protection signal of long conveying pipeline is patrolled and examined monitoring system (PDA), by a plurality of pipeline cathode protection wireless monitor memory storages 1, pipeline cathode protection radio patrol checking sample acquisitions device 2, computing machine 3, and the information interface cable 20 of connecting tube cathodic protection radio patrol checking sample acquisitions device 2 and computing machine 3 form.
Wherein, pipeline cathode protection wireless monitor memory storage 1 is made of the signal input utmost point 4, A/D change-over circuit 5, MCU control module circuit 6, short-range pair of power radio station of low-power consumption modular circuit A9, power supply A7, clock module circuit 8.The signal input utmost point 4 is linked in sequence by conductor and MD change-over circuit 5, MCU control module circuit 6, short-range pair of power radio station of low-power consumption modular circuit A9, MCU control module circuit 6 also is connected with clock module circuit 8 by conductor, and power supply A7 also is connected with the signal input utmost point 4, A/D conversion tortoise road 5, MCU control module circuit 6, short-range pair of power radio station of low-power consumption modular circuit A9, clock module circuit 8 respectively by conductor.
Pipeline cathode protection radio patrol checking sample acquisitions device 2, by short-range pair of power radio station of low-power consumption modular circuit lie prone 5, central processing unit 14, the first computing machine communication interface 13, calibration clock circuit 11, data capture definition and memory module 12, power supply B10 constitute.Central processing unit 14 is connected with short-range pair of power radio station of low-power consumption modular circuit B15, calibration clock circuit 11, data capture definition and memory module 12, the first computing machine communication interface 13 respectively by conductor, and power supply B10 also is connected with central processing unit 14, short-range pair of power radio station of low-power consumption modular circuit B15, calibration clock circuit 11, data capture definition and memory module 12, the first computing machine communication interface 13 respectively by conductor.
Computing machine 3 is made of computer processor unit 18, the second computing machine communication interface 16, mouse 17, display 19.Computer processor unit 18 is connected with the second computing machine communication interface 16, mouse 17, display 19 respectively by conductor.
In foregoing circuit,
The signal input utmost point 4 is used to carry out the steering order of MCU control module circuit 6, the signal of timing acquiring signal input utmost point input, and signal amplified, sends A/D change-over circuit 5 after the Filtering Processing.The signal input utmost point 4 can be provided with one, or two, the input electrode more than two, the protection pipeline that is provided with in the connecting tube respectively and the joint of long effective reference electrode.
A/D change-over circuit 5 is used for signal is imported the signal of the utmost point 4 input, amplifies and is converted to digital signal, sends MC control module circuit 6; A/D change-over circuit 5 can adopt other models such as TLV2543.
MCU control module circuit 6 is used to receive the command information from pipeline cathode protection radio patrol checking sample acquisitions device 2, and independent execution of program instructions; And regularly start A/D change-over circuit 5, the electrode activity value signal of the pipeline cathode protection of the acquired signal input utmost point 4 inputs, and be converted to the digital signal storage.MCU control module circuit 6 can adopt the MSP430 of CPU, the model of P87LPC764 series.
Power supply A7, power supply B10 can adopt lithium electric energy battery or solar cell to make dc supply.Required direct supply when being used for the whole components and parts work of the present invention monitoring.
Clock module circuit 8 is used for regularly triggering MCU control module circuit 6, and data storage and output acquired signal are provided.Clock circuit 8 can adopt other models such as 12887,2404 of DS.
Short-range pair of power radio station of low-power consumption modular circuit A9, short-range pair of power radio station of low-power consumption modular circuit B15, be used for the output of acquired signal, or the data of the execution of program instructions of MCU control module circuit 6 or central processing unit 14 inputs, the data of setup parameter etc. are stored in storer in the MCU control module circuit 6, and in data capture definition and the memory module 12.Can adopt PTR2005 or other model.
Calibration clock circuit 11 is used for the timing definition and the calibration of sample acquisitions execution of program instructions: can be built in central processing unit 14.
Data capture definition and memory module 12 are used for the DATA REASONING signal of cpu central processing unit 14 inputs being classified and storing; Can be built in the central processing unit 14.
The first computing machine communication interface 13 is used to export the sample acquisitions signal, and the instruction of input executive program; Can be built in the central processing unit 14.
Central processing unit 14 is used for the measuring-signal to being gathered, and output execution of program instructions advance classification, amplification, clock alignment, and the director data acquisition zone to the input measurement data signals sort out, and the storage; Can adopt other models such as MIPS4000, MSP30140.
Computing machine 3; be used to export the execution of program instructions and the storage of cathode protection signal of long conveying pipeline; with the sample acquisitions signal of input is handled and is stored, and through classification, conclude, and the output measurement data signals shows in display 19 all or the measurement data signals or the figure of fixing a point.
The second computing machine communication interface 16 is used to import the sample acquisitions signal, and the instruction of output executive program; Can adopt RS232 interface, Siemens's wireless ethernet card or other model.
Mouse 17 is used for to computer processor unit 18 input control signals.
Computer processor unit 18 is provided with the monitoring of software bag of a cathode protecting signals of pipeline within it, is used for processing and instruction executive routine and storage that pipeline cathode protection is patrolled and examined the sample acquisitions data; Can adopt compatibles such as IBM.
Display 19 is used to show all or the measurement data signals or the figure of fixed point.Can adopt PHILIPS or other model.
Display 19 also can adopt printer paper spare formula output measurement data or figure.
Information interface cable 20 is used for first computing machine communication interface 13 of pipeline cathode protection radio patrol checking sample acquisitions memory storage 2 and being connected of the second computing machine communication connector 16, with input measurement data-signal or output execution of program instructions; Can adopt the information interface cable of (USB/RS-232/IR) model.
A kind of cathode protection signal of long conveying pipeline is patrolled and examined the monitoring method of monitoring, specifically comprises the following steps:
1, open computing machine 3, click the pipeline cathode protection that is provided with in it by mouse 17 and patrol and examine the monitoring of software bag.
2, import all or the pipe cathode monitoring point of selecting by mouse 17, routine or periodic monitor control signal are set, and machine 3 processing transfer execution of program instructions to as calculated, and storage.
3; connect computer processor unit 18 and pipeline cathode protection radio patrol checking sample acquisitions device 2 with information interface cable 20; with the cpu central processing unit 14 in the computing machine 3 execution of program instructions input channel cathodic protection radio patrol checking sample acquisitions devices 2, and classify, calibrate clock and storage through data capture definition storer 12.
4; by short-range pair of power radio station of the low-power consumption antenna on the pipeline cathode protection radio patrol checking sample acquisitions device 2; and the wireless transmission between short-range pair of power radio station of the low-power consumption antenna on the pipeline cathode protection wireless monitor memory storage 1, the monitoring execution of program instructions and the storage of 2 inputs of pipeline cathode protection wireless monitor memory storage 1 receiving pipeline cathodic protection radio patrol checking sample acquisitions device.
5; MCU control module circuit 6 in the pipeline cathode protection wireless monitor memory storage 1; press the execution of program instructions of computing machine 3, start timing signal is imported the utmost point 4 measuring channel cathode activity values, and is converted into MCU control module circuit 6 accessible data-signals and storage through A/D modulus circuit 5.
6; by the antenna on the pipeline cathode protection radio patrol checking sample acquisitions device 2; and the wireless transmission between the antenna on the pipeline cathode protection wireless monitor memory storage 1; data monitoring signal with pipeline cathode protection radio patrol checking sample acquisitions device 1 stored; cpu central processing unit 14 in the input channel cathodic protection radio patrol checking sample acquisitions device 2 is handled, and class definition is input to storage in data acquisition, definition and the storage block 12.
7; by signaling interface cable 20 pipeline cathode protection radio patrol checking sample acquisitions device 2 is connected with second computer interface 16 of computing machine 3; data monitoring signal with pipeline cathode protection wireless monitor memory storage 1 stored; cpu central processing unit 14 in the input channel cathodic protection radio patrol checking sample acquisitions device 2 is handled, and class definition is input to storage in data acquisition, definition and the storage block 12.
8, data storage signal with 2 collections of pipeline cathode protection radio patrol checking sample acquisitions device, computer processor unit 18 in the input computing machine 3 is analyzed, is handled and stores, and through classification, conclusion, shows in display 19 all or the measurement data signals or the figure of fixed point; Or by printer paper spare formula output measurement data, figure.Whole or the local cathode activity value and the corrosion of pipeline be can know thus, maintenance, maintenance or the replacing of pipeline and negative electrode are convenient to carry out, safe and smooth to guarantee long distance pipeline, finish the task that its pipeline liquid transports.
Pipeline cathode protection radio patrol checking sample acquisitions device also can adopt PDA+ unruled card pattern, can realize purpose of the present invention, function and effect equally.

Claims (2)

1. a cathode protection signal of long conveying pipeline is patrolled and examined monitoring system, it is characterized in that it comprises;
1) several pipeline cathode protection wireless monitor memory storages, described pipeline cathode protection wireless monitor memory storage is imported the utmost point by signal, the A/D change-over circuit, MCU control module circuit, short-range pair of power radio station of low-power consumption modular circuit A, power supply A, the clock module circuit constitutes, the signal input utmost point is by conductor and A/D change-over circuit, MCU control module circuit, short-range pair of power radio station of low-power consumption modular circuit A is linked in sequence, MCU control module circuit also is connected with the clock module circuit by conductor, power supply A also by conductor respectively with the signal input utmost point, the A/D change-over circuit, MCU control module circuit, short-range pair of power radio station of low-power consumption modular circuit A, the clock module circuit connects;
2) pipeline cathode protection radio patrol checking sample acquisitions device, described pipeline cathode protection radio patrol checking sample acquisitions device is by short-range pair of power radio station of low-power consumption modular circuit B, central processing unit, the first computing machine communication interface, the calibration clock circuit, data capture definition and memory module, power supply B constitutes, central processing unit by conductor respectively with short-range pair of power radio station of low-power consumption modular circuit B, the calibration clock circuit, data capture definition and memory module, the first computing machine communication interface connects, power supply B also by conductor respectively with central processing unit, short-range pair of power radio station of low-power consumption modular circuit B, the calibration clock circuit, data capture definition and memory module, the first computing machine communication interface connects;
3) computing machine, described computing machine is made of computer processor unit, the second computing machine communication interface, mouse, display, and computer processor unit is connected with the second computing machine communication interface, mouse, display respectively by conductor;
The first computing machine communication interface of described pipeline cathode protection radio patrol checking sample acquisitions device also is connected with the second computing machine communication interface of computing machine by the information interface cable.
2. a kind of cathode protection signal of long conveying pipeline according to claim 1 is patrolled and examined the monitoring method of monitoring system, comprises the following steps:
1) opens computing machine;
2) patrol and examine the control signal of monitoring of software bag and input channel protection negative electrode by the computing machine pipeline cathodic protection that is provided with in the click computer processor unit, and be converted to program execution command and storage by computer processor unit;
3) connect computer processor unit and pipeline cathode protection radio patrol checking sample acquisitions device with the information interface cable, by the execution of program instructions and the storage of pipeline cathode protection radio patrol checking sample acquisitions device receiving computer input;
4) by the wireless antenna that picks on the sample harvester that patrols of pipeline cathode protection, and the wireless transmission between the antenna on the pipeline cathode protection wireless monitor memory storage, the monitoring execution of program instructions of pipeline cathode protection wireless monitor memory storage receiving pipeline cathodic protection radio patrol checking sample acquisitions device input and storage;
5) pipeline cathode protection wireless monitor memory storage execution of program instructions, self-timing and synchronous monitoring pipeline cathode protection data, and measurement data signals stored;
6) by the antenna on the pipeline cathode protection radio patrol checking sample acquisitions device, and the wireless transmission between the antenna on the pipeline cathode protection wireless monitor memory storage is to signal, operation information and the storage of the mutual communication transmission of pipeline cathode protection radio patrol checking sample acquisitions device measurement data;
7) by the signaling interface cable pipeline cathode protection radio patrol checking sample acquisitions device is connected with the second computing machine communication interface of computing machine, to whole measurement data signals of computer processor unit input channel cathodic protection wireless monitor memory storage sample acquisitions;
8) by computer processor unit the sample acquisitions data of input are concluded, analyze, handled and store, and show the measurement data or the figure of each monitoring point by display.
CNB02121493XA 2002-06-26 2002-06-26 Round inspection monitoring system and method for cathode protection signal of long conveying pipeline Expired - Fee Related CN1294412C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB02121493XA CN1294412C (en) 2002-06-26 2002-06-26 Round inspection monitoring system and method for cathode protection signal of long conveying pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB02121493XA CN1294412C (en) 2002-06-26 2002-06-26 Round inspection monitoring system and method for cathode protection signal of long conveying pipeline

Publications (2)

Publication Number Publication Date
CN1388367A CN1388367A (en) 2003-01-01
CN1294412C true CN1294412C (en) 2007-01-10

Family

ID=4744996

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB02121493XA Expired - Fee Related CN1294412C (en) 2002-06-26 2002-06-26 Round inspection monitoring system and method for cathode protection signal of long conveying pipeline

Country Status (1)

Country Link
CN (1) CN1294412C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013033870A1 (en) * 2011-09-09 2013-03-14 Huang Shengfu Oil and gas pipeline cathodic protection parameter detection system
CN103806005B (en) * 2014-03-13 2015-12-30 上海道盾科技股份有限公司 A kind of intelligent remote monitoring of underground utilities galvanic protection, monitoring method
CN107313052B (en) * 2016-04-26 2023-10-31 西安电子科技大学 A pipeline cathode potential synchronous detection system and detection method
CN107345936A (en) * 2016-05-06 2017-11-14 广西电网有限责任公司桂林供电局 A high-voltage circuit breaker operating spring fatigue testing device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6130021A (en) * 1984-07-21 1986-02-12 松下電器産業株式会社 Current collector for electronic components
US5404104A (en) * 1992-03-11 1995-04-04 Agip S.P.A. - Snam S.P.A. Device and method for monitoring and locating defects in, and detachment of, the protective covering of underground or immersed metal structures or pipelines
CN2411484Y (en) * 2000-03-03 2000-12-20 中国石油天然气管道局管道技术公司 Corrosion defect detection device for underground on-service long distance pipeline
CN2453434Y (en) * 2000-12-11 2001-10-10 上海大学 Device for detecting fault on wall of thin and small pipeline
CN1347027A (en) * 2001-11-09 2002-05-01 谢自力 Memory device for detecting cathodic protection signal of pipeline
CN1352322A (en) * 2001-11-09 2002-06-05 谢自力 Multiple position signal detection and storage device for pipeline cathode protection

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6130021A (en) * 1984-07-21 1986-02-12 松下電器産業株式会社 Current collector for electronic components
US5404104A (en) * 1992-03-11 1995-04-04 Agip S.P.A. - Snam S.P.A. Device and method for monitoring and locating defects in, and detachment of, the protective covering of underground or immersed metal structures or pipelines
CN2411484Y (en) * 2000-03-03 2000-12-20 中国石油天然气管道局管道技术公司 Corrosion defect detection device for underground on-service long distance pipeline
CN2453434Y (en) * 2000-12-11 2001-10-10 上海大学 Device for detecting fault on wall of thin and small pipeline
CN1347027A (en) * 2001-11-09 2002-05-01 谢自力 Memory device for detecting cathodic protection signal of pipeline
CN1352322A (en) * 2001-11-09 2002-06-05 谢自力 Multiple position signal detection and storage device for pipeline cathode protection

Also Published As

Publication number Publication date
CN1388367A (en) 2003-01-01

Similar Documents

Publication Publication Date Title
CN111426461B (en) Intelligent monitoring sensor system and design method for residual fatigue life of key parts of mechanical parts
CN107588801A (en) A kind of long-range self-diagnosis system of electrical equipment fault
CN104929864A (en) Field programmable gate array (FPGA)-based embedded type operating state monitoring and fault diagnosis system for wind generating set
CN202171616U (en) Photovoltaic array conflux measurement and control apparatus
CN103234520A (en) Controller area network (CAN) bus-based settlement deformation monitoring system
CN201166711Y (en) System for monitoring field unattended seismographic station circumstance
CN1294412C (en) Round inspection monitoring system and method for cathode protection signal of long conveying pipeline
CN208456598U (en) Shield owner's hydraulic monitoring system
CN207730876U (en) A kind of contactless accurate range-measurement system of traveling wave distribution terminal failure
CN104038154A (en) Automatic detection system for solar photovoltaic array fault and detection method thereof
CN202974323U (en) Portable on-line detection system
CN203858290U (en) Wireless sensor for measuring end-screen current of capacitive equipment
CN108492540A (en) A kind of data acquisition device of vibrating string type sensor
CN202886466U (en) Multichannel vibratory string signal automatic collection apparatus
CN202946137U (en) Digital indicator of pumping well based on multi-sensor information fusion
CN204631960U (en) A kind of underground coal mine electromechanical equipment logging
CN2881659Y (en) Real-time monitoring system for current leakage and action frequency of lightning protector
CN211715082U (en) Data transmission system for well washing monitoring device
CN1162771C (en) System and method for detecting cathode protecting signals of pipeline
CN204904530U (en) Photoelectricity system of checking meter
CN207007506U (en) One kind is based on digital communication water turbine set system for testing stability
CN203587227U (en) Power transformation inspection PDA apparatus supporting infrared point type temperature measurement
CN2754153Y (en) Embedded comprehensive information collecting device for intelligent traffic system
CN2557946Y (en) Radio control investigating storage device for pipe line cathode protective signal
CN206292963U (en) Intelligent electric meter meter-copy collector

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: TIANJIN SHELLY INDUSTRIAL AUTOMATION ENGINEERING CO., LTD.

Assignor: Xie Zili

Contract record no.: 2010120000085

Denomination of invention: Round inspection monitoring system and method for cathode protection signal of long conveying pipeline

Granted publication date: 20070110

License type: Exclusive License

Open date: 20030101

Record date: 20100722

ASS Succession or assignment of patent right

Owner name: XIELI AUTOMATIC ENGINEERING CO., LTD., TIANJIN CIT

Free format text: FORMER OWNER: XIE ZILI

Effective date: 20101124

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 300072 32-3-102, SIJI VILLAGE, TIANJIN UNIVERSITY, NO.92, WEIJIN ROAD, NANKAI DISTRICT, TIANJIN CITY TO: 300384 801, TOWER B, BUILDING 8, NO.15, RONGYUAN ROAD, HUAYUAN INDUSTRIAL PARK, NANKAI DISTRICT, TIANJIN CITY

TR01 Transfer of patent right

Effective date of registration: 20101124

Address after: Rong Yuan Road 300384 Tianjin city Nankai District Huayuan Industrial Park No. 15, No. 8 B block 801

Patentee after: TIANJIN SHELLY INDUSTRIAL AUTOMATION ENGINEERING CO., LTD.

Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Tianjin University four village 32-3-102

Patentee before: Xie Zili

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070110

Termination date: 20150626

EXPY Termination of patent right or utility model