CN103451661A - Cathode protection wireless monitoring system based on GPRS (General Packet Radio Service) network - Google Patents
Cathode protection wireless monitoring system based on GPRS (General Packet Radio Service) network Download PDFInfo
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- CN103451661A CN103451661A CN2013101539306A CN201310153930A CN103451661A CN 103451661 A CN103451661 A CN 103451661A CN 2013101539306 A CN2013101539306 A CN 2013101539306A CN 201310153930 A CN201310153930 A CN 201310153930A CN 103451661 A CN103451661 A CN 103451661A
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Abstract
The invention discloses a cathode protection wireless monitoring system based on a GPRS (General Packet Radio Service) network. According to the cathode protection wireless monitoring system, voltage, current and potentials of a constant potential rectifier are connected with an input end of an anti-interference filtering circuit; a voltage output end of the anti-interference filtering circuit is connected with an input end of a voltage acquisition circuit; a current output end of the anti-interference filtering circuit is connected with an input end of a current acquisition circuit; a potential output end of the anti-interference filtering circuit is connected with an input end of a potential acquisition circuit; a voltage sampling circuit, a current sampling circuit and a potential sampling circuit are connected with an input end of an AD (Analogue-Digital) sampling circuit respectively; the AD sampling circuit is connected with a microprocessor; the microprocessor is connected with a wireless transmission circuit based on the GPRS network through a communication circuit. A wireless communication technology based on the GPRS network is used for replacing an existing manner of manually recording at fixed period to monitor a protective potential. The method has time-saving and labor-saving effects, the cathode protection system can monitor the protective potential in real time and an automation progress of the cathode protection system is propelled.
Description
Technical field
The present invention relates to a kind of wireless supervisory control system, especially relate to a kind of wireless supervisory control system be applied in cathodic protection system.
Background technology
Galvanic protection is widely adopted in the anticorrosive metal system, and according to the practice at home and abroad empirical evidence, the protection effect is significant.Therefore, can slow down metallic corrosion by adopting said method at metal structures such as underground communication cable, petroleum pipe line, natural gas line, boats and ships, harbour, gate, chemical industry equipments.The principle of cathodic polarization state is realized on the surface that galvanic protection makes protected metallic substance contact with surrounding medium, realizes etch-proof purpose.When using cathode protection method; must guarantee that the metal above earth potential is controlled in the scope of protection potential appointment; for this reason must can be according to given protection potential standard; automatically adjust output rating and the output voltage of potentiostat; make reference potential point constant on a certain numerical value over the ground, thereby make the full section of protected metallic object all within protection potential numerical value.
The preservative effect of galvanic protection is internationally recognized; but the normal operation of cathodic protection system depends on craft for a long time; the discovery of equipment operation failure is mainly by patrolling and examining; mensal periodic replacement operational outfit must managerial personnel be run along the line, for the tracking of system operation exception just far from.At present for distribution such as storage tank, long distance pipelines, the management of mixed and disorderly CP station can only depend on and patrols and examines, and the anticathode securing system can't be monitored in real time, and the normal operation of this anticathode securing system is a great hidden danger.Therefore, the enforcement of each cathodic protection station long distance control system is imperative.
Summary of the invention
The object of the invention be to provide a kind of based on wireless network, be applicable to the mixed and disorderly real-time monitoring system that distributes.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of galvanic protection wireless supervisory control system based on GPRS network, it comprises the anti-interference filtration circuit, signal acquisition circuit, the AD sample circuit, microcontroller circuit, communicating circuit, the output terminal of described anti-interference filtration circuit is connected with the input terminus of Acquisition Circuit, described signal acquisition circuit output is connected with the input terminus of AD sample circuit, described AD sample circuit is connected with microcontroller circuit, microcontroller circuit is connected with transmission circuit by communicating circuit, described transmission circuit is the wireless transmission circuit based on GPRS network.
Optimally, described anti-interference filtration circuit comprises voltage anti-interference filtration circuit, electric current anti-interference filtration circuit, current potential anti-interference filtration circuit, described signal acquisition circuit comprises voltage signal acquisition circuit, current signal Acquisition Circuit, electric potential signal Acquisition Circuit, the output terminal of described voltage, electric current and current potential anti-interference filtration circuit and the corresponding connection of voltage, electric current and electric potential signal Acquisition Circuit.
Optimally, described voltage, electric current, and the electric potential signal source come from potentiostat output.
Compared with prior art, the invention has the advantages that it is without cable network, based on existing GPRS network, just can realize real-time Transmission, monitoring in real time.Can realize monitoring the operation conditions of cathodic protection system by voltage, electric current, potential acquisition signal.
The accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is schematic circuit diagram of the present invention;
Wherein: 1, voltage anti-interference filtration circuit; 2, electric current anti-interference filtration circuit; 3, current potential anti-interference filtration circuit; 4, voltage signal acquisition circuit; 5, current signal Acquisition Circuit; 6, electric potential signal Acquisition Circuit; 7, AD sample circuit; 8, microcontroller circuit; 9, communicating circuit; 10, GPRS wireless transmission circuit.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
The galvanic protection wireless supervisory control system based on GPRS network as depicted in figs. 1 and 2, it comprises anti-interference filtration circuit, signal acquisition circuit, AD sample circuit 7, microcontroller circuit 8, communicating circuit 9 and transmission circuit 10.Wherein, the anti-interference filtration circuit comprises voltage anti-interference filtration circuit 1, electric current anti-interference filtration circuit 2, current potential anti-interference filtration circuit 3, signal acquisition circuit comprises voltage sampling circuit 4, current sampling circuit 5, current potential sample circuit 6, and transmission circuit is the wireless transmission circuit 10 based on GPRS network.
Voltage anti-interference filtration circuit 1 is connected with the input terminus of voltage sampling circuit 4, electric current anti-interference filtration circuit 2 is connected with the input terminus of current sampling circuit 5, current potential anti-interference filtration circuit 3 is connected with the input terminus of current potential sample circuit 6, the output terminal of voltage sampling circuit 4, current sampling circuit 5, current potential sample circuit 6 is connected with the input terminus of microcontroller circuit 8 through AD sample circuit 7 respectively, and microcontroller circuit 8 output terminals are connected with the input terminus of wireless transmission circuit 10 based on GPRS network by transmission circuit 9.
Signal flow is as follows:
The potentiostat voltage signal inputs to voltage sampling circuit 4 through superpotential anti-interference filtration circuit 1, the potentiostat current signal inputs to current sampling circuit 5 through overcurrent anti-interference filtration circuit 2, the potentiostat electric potential signal inputs to current potential sample circuit 6 through overpotential anti-interference filtration circuit 3, the output signal of voltage sampling circuit 4, current sampling circuit 5, current potential sample circuit 6 is respectively after AD sample circuit 7 and microcontroller circuit 8 are processed, be sent to GPRS wireless transmission circuit 10 by transmission circuit 9, thereby realize the transmission over radio of signal.
The present invention adopts the wireless communication technique based on GPRS network, replaces the present artificial regularly mode monitoring and protection current potential of admission.The method is save trouble and labor both, has guaranteed again cathodic protection system monitoring and protection current potential in real time, promotes the automated process of cathodic protection system.
Above-described embodiment is only explanation technical conceive of the present invention and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that spirit is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. the galvanic protection wireless supervisory control system based on GPRS network, it comprises the anti-interference filtration circuit, signal acquisition circuit, the AD sample circuit, microcontroller circuit, communicating circuit, the output terminal of described anti-interference filtration circuit is connected with the input terminus of Acquisition Circuit, described signal acquisition circuit output is connected with the input terminus of AD sample circuit, described AD sample circuit is connected with microcontroller circuit, microcontroller circuit is connected with transmission circuit by communicating circuit, it is characterized in that: described transmission circuit is the wireless transmission circuit based on GPRS network.
2. the galvanic protection wireless supervisory control system based on GPRS network according to claim 1; it is characterized in that: described anti-interference filtration circuit comprises voltage anti-interference filtration circuit, electric current anti-interference filtration circuit, current potential anti-interference filtration circuit; described signal acquisition circuit comprises voltage signal acquisition circuit, current signal Acquisition Circuit, electric potential signal Acquisition Circuit, the output terminal of described voltage, electric current and current potential anti-interference filtration circuit and the corresponding connection of voltage, electric current and electric potential signal Acquisition Circuit.
3. the galvanic protection wireless supervisory control system based on GPRS network according to claim 1 and 2 is characterized in that: described voltage, electric current, and the electric potential signal source come from potentiostat output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101539306A CN103451661A (en) | 2013-04-28 | 2013-04-28 | Cathode protection wireless monitoring system based on GPRS (General Packet Radio Service) network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101539306A CN103451661A (en) | 2013-04-28 | 2013-04-28 | Cathode protection wireless monitoring system based on GPRS (General Packet Radio Service) network |
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| CN103451661A true CN103451661A (en) | 2013-12-18 |
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| CN2013101539306A Pending CN103451661A (en) | 2013-04-28 | 2013-04-28 | Cathode protection wireless monitoring system based on GPRS (General Packet Radio Service) network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674229A (en) * | 2015-03-06 | 2015-06-03 | 中国石化管道储运有限公司 | Intelligent remote monitoring and regulating system for cathode protection of underground pipelines |
| CN107723713A (en) * | 2017-12-08 | 2018-02-23 | 江苏飞视文化发展有限公司 | The system of potentiostat in a kind of cathodic protection system of monitoring in real time |
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| US20080042860A1 (en) * | 2006-08-16 | 2008-02-21 | Ultraflex S.P.A. | Anti-corrosion cathodic protection device with sacrificial anode |
| CN201695090U (en) * | 2010-04-29 | 2011-01-05 | 郑州安然测控设备有限公司 | Cathodic protection test pile and cathodic protection monitoring system |
| CN102021584A (en) * | 2010-07-20 | 2011-04-20 | 中石油北京天然气管道有限公司 | Pipe transmission oriented cathode protection system |
| CN202102046U (en) * | 2011-04-19 | 2012-01-04 | 深圳市友邦怡电气技术有限公司 | Harmonic monitor capable of displaying harmonic flow direction |
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2013
- 2013-04-28 CN CN2013101539306A patent/CN103451661A/en active Pending
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| US20080042860A1 (en) * | 2006-08-16 | 2008-02-21 | Ultraflex S.P.A. | Anti-corrosion cathodic protection device with sacrificial anode |
| CN201695090U (en) * | 2010-04-29 | 2011-01-05 | 郑州安然测控设备有限公司 | Cathodic protection test pile and cathodic protection monitoring system |
| CN102021584A (en) * | 2010-07-20 | 2011-04-20 | 中石油北京天然气管道有限公司 | Pipe transmission oriented cathode protection system |
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| 张辉等: "基于GPRS的阴极保护电位遥测系统设计", 《齐齐哈乐尔大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674229A (en) * | 2015-03-06 | 2015-06-03 | 中国石化管道储运有限公司 | Intelligent remote monitoring and regulating system for cathode protection of underground pipelines |
| CN107723713A (en) * | 2017-12-08 | 2018-02-23 | 江苏飞视文化发展有限公司 | The system of potentiostat in a kind of cathodic protection system of monitoring in real time |
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Application publication date: 20131218 |