CN104460493A - Oil temperature monitoring and burglary protection system for oil-immersed transformer - Google Patents

Oil temperature monitoring and burglary protection system for oil-immersed transformer Download PDF

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Publication number
CN104460493A
CN104460493A CN201410655290.3A CN201410655290A CN104460493A CN 104460493 A CN104460493 A CN 104460493A CN 201410655290 A CN201410655290 A CN 201410655290A CN 104460493 A CN104460493 A CN 104460493A
Authority
CN
China
Prior art keywords
circuit module
oil
monitoring
module
oil temperature
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.)
Pending
Application number
CN201410655290.3A
Other languages
Chinese (zh)
Inventor
王恒
王晓岩
王小健
付文波
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.)
JIANGSU BAOHENGXIN ELECTRIC CO Ltd
Original Assignee
JIANGSU BAOHENGXIN ELECTRIC CO Ltd
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 JIANGSU BAOHENGXIN ELECTRIC CO Ltd filed Critical JIANGSU BAOHENGXIN ELECTRIC CO Ltd
Priority to CN201410655290.3A priority Critical patent/CN104460493A/en
Publication of CN104460493A publication Critical patent/CN104460493A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/058Safety, monitoring
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1902Control of temperature characterised by the use of electric means characterised by the use of a variable reference value

Abstract

The invention discloses an oil temperature monitoring and burglary protection system for an oil-immersed transformer. The system comprises a temperature sensor, a conditioning circuit module, a photoelectric isolation output circuit module, a PLC, an on-site monitoring machine, a communication module, a remote computer, a photoelectric isolation input circuit module, a relay module, an executing mechanism and a camera. The system has the advantages that the wireless communication technology is adopted for remote data acquisition and monitoring, and a user can conveniently and remotely monitor the operating condition of the transformer in different places through monitoring software on an industrial personal computer for remote and on-site monitoring; when the oil temperature is too high, an instruction can be remotely sent so that effective measures can be carried out quickly in time; a friendly human-machine interface is arranged, so that the system is visual and easy and convenient to operate; the necessary burglary protection effect can be achieved for certain places.

Description

A kind of oil-filled transformer oil temperature monitoring and burglary-resisting system
Technical field
The present invention relates to a kind of online monitoring system, particularly a kind of temperature of oil in transformer monitoring and burglary-resisting system.
Background technology
Along with the development of power distribution network scale and the fast lifting of Distribution Network Equipment quality, Distribution Network Equipment prophylactic repair pattern has been not suitable with the management expectancy of electrical network and equipment, Distribution Network Equipment answers non-maintaining, the few service equipment of active adoption, strengthen equipment on-line monitoring technique, the application of continuous exploration new technology in power distribution network maintenance, positive popularization, with the equipment of on-line monitoring, improves the service quality of product.
Oil-filled transformer high oil temperature can cause the infringement of equipment, even injures whole electrical network.Therefore the oil temperature of real time and on line monitoring oil-filled transformer can make client better utilize transformer, once occur that the phenomenon of high oil temperature can selectively take measures to avoid loss in time.
Summary of the invention
Goal of the invention: for the problems referred to above, the object of this invention is to provide a kind of oil-filled transformer oil temperature supervisory system, transformer is run more reliably, can play antitheft effect simultaneously
Technical scheme: a kind of oil-filled transformer oil temperature monitoring and burglary-resisting system, comprise temperature sensor, conditioning circuit module, Phototube Coupling output circuit module, PLC, on-site supervision machine, communication module, remote computer, Phototube Coupling input circuit module, relay module, topworks, camera;
Described temperature sensor is parts oil-filled transformer being carried out to fuel temperature measurement, obtain simulating signal, successively through described conditioning circuit module, described Phototube Coupling output circuit module, to the described PLC of carrying out data processing, data reaction after process, on described on-site supervision machine, is then transferred to the described remote computer of remote monitoring by described communication module;
Described remote computer monitors the oil temperature command signal sent that exceeds standard and is transferred to described on-site supervision machine by described communication module, to the described PLC of carrying out data processing, data after process successively through described Phototube Coupling input circuit module, described relay module to described topworks, transformer is made to the action of disconnection;
Video monitoring data is sent to described on-site supervision machine and described remote computer by described camera.
Described Phototube Coupling output circuit module, Phototube Coupling input circuit module are transmitter.
Described communication module is GPRS communication module, RS485 communication module.
Beneficial effect: compared with prior art, advantage of the present invention is: 1, adopt wireless communication technique to carry out remote data acquisition and monitoring, by monitoring software on the industrial computer of long-range and on-site supervision, namely facilitate user carries out remote monitor transformer ruuning situation in different place; 2, long-range transmission instruction the enforcement of effective measures can be carried out for high oil temperature state, in time fast; 3, there is friendly man-machine interface, visual pattern, easy and simple to handle; 4, necessary anti-theft function can be played for certain areas.
Accompanying drawing explanation
Accompanying drawing is present system schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
As shown in drawings, a kind of oil-filled transformer oil temperature monitoring and burglary-resisting system, comprise temperature sensor 101, conditioning circuit module 102, Phototube Coupling output circuit module 103, PLC 104, on-site supervision machine 105, communication module 106, remote computer 107, Phototube Coupling input circuit module 108, relay module 109, topworks 110, camera 111.Phototube Coupling output circuit module 103, Phototube Coupling input circuit module 109 are transmitter.
Reserved thermometer hole on oil-filled transformer 100; temperature sensor 101 is resistant to elevated temperatures temperature sensor; oil temperature is measured; obtain simulating signal; then be transferred to conditioning circuit module 102, be then sent to the Phototube Coupling output circuit module 103 of its protective effect, then be transferred to PLC 104 and carry out A/D-D/A data processing; data after process at the scene monitoring equipment 105 are reacted, and be transferred to remote computer 107 realize remote monitoring finally by communication module 106.
When remote computer 107 reaches dangerous values once monitor oil temperature, command signal is sent by remote computer 107, on-site supervision machine 105 is transferred to by communication module 106, carry out A/D-D/A data processing to PLC 104 again, data after process arrive topworks 110 through Phototube Coupling input circuit module 108, relay module 109 successively, are made the action disconnecting transformer or reach cooling object by topworks 110.
Camera 106 can also be installed around transformer, video monitoring data be sent to on-site supervision machine 105 and remote computer 107, effectively anti-theft function be played to equipment such as transformers.
Remote computer 107 realizes remote-monitoring function, monitors oil-filled transformer oil temperature.On-site supervision machine 105 pairs of field datas process.Programmable PLC 104 gathers field data on the spot as slave computer, and is passed to on-site supervision machine 105.
On-site supervision machine 105 and remote computer 107 use upper computer software, in line with user friendly principle, adopt the mode of man-machine interaction; PLC 104 uses slave computer software, uses the technology such as pull-down menu, pop-up window, hot key for operating, error masking.
Native system has two kinds of communication modes: GPRS communication and RS485 communication.Local communication adopts RS485 communication.Local communication is the exchanges data for on-site supervision machine and PLC.PLC adopts Free-Mode communication, Free-Mode allows application program controlling serial communication port to use self-defining communication protocol and polytype smart device communication, namely under Free-Mode, user can transmission and reception instruction or transmission and reception interrupt instruction, in conjunction with self-defining communication protocol coding, control communication port operation.
Native system adopts master-slave communication, and with on-site supervision machine for main website, other on-site supervision terminal is substation, and all communication traffics carry out under the polling system of main website.Telecommunication adopts GPRS communication, adopts GPRS modulator-demodular unit to carry out long distance wireless data communication.On-site supervision machine connects terminal modulator-demodular unit, and remote computer connects main website modulator-demodular unit.Take remote computer as main website, all communication services are initiated by it.

Claims (3)

1. the monitoring of oil-filled transformer oil temperature and a burglary-resisting system, is characterized in that: comprise temperature sensor (101), conditioning circuit module (102), Phototube Coupling output circuit module (103), PLC (104), on-site supervision machine (105), communication module (106), remote computer (107), Phototube Coupling input circuit module (108), relay module (109), topworks (110), camera (111);
Described temperature sensor (101) is parts oil-filled transformer being carried out to fuel temperature measurement, obtain simulating signal, successively through described conditioning circuit module (102), described Phototube Coupling output circuit module (103), to the described PLC (104) of carrying out data processing, data reaction after process, on described on-site supervision machine (105), is then transferred to the described remote computer (107) of remote monitoring by described communication module (106);
Described remote computer (107) monitors the oil temperature command signal sent that exceeds standard and is transferred to described on-site supervision machine (105) by described communication module (106), to the described PLC (104) of carrying out data processing, data after process successively through described Phototube Coupling input circuit module (108), described relay module (109) to described topworks (110), transformer is made to the action of disconnection;
Video monitoring data is sent to described on-site supervision machine (105) and described remote computer (107) by described camera (106).
2. a kind of oil-filled transformer oil temperature monitoring according to claim 1 and burglary-resisting system, is characterized in that: described Phototube Coupling output circuit module (103), Phototube Coupling input circuit module (109) are transmitter.
3. a kind of oil-filled transformer oil temperature monitoring according to claim 1 and burglary-resisting system, is characterized in that: described communication module (106) is GPRS communication module, RS485 communication module.
CN201410655290.3A 2014-11-17 2014-11-17 Oil temperature monitoring and burglary protection system for oil-immersed transformer Pending CN104460493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410655290.3A CN104460493A (en) 2014-11-17 2014-11-17 Oil temperature monitoring and burglary protection system for oil-immersed transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410655290.3A CN104460493A (en) 2014-11-17 2014-11-17 Oil temperature monitoring and burglary protection system for oil-immersed transformer

Publications (1)

Publication Number Publication Date
CN104460493A true CN104460493A (en) 2015-03-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410655290.3A Pending CN104460493A (en) 2014-11-17 2014-11-17 Oil temperature monitoring and burglary protection system for oil-immersed transformer

Country Status (1)

Country Link
CN (1) CN104460493A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105606149A (en) * 2015-11-12 2016-05-25 国网辽宁省电力有限公司朝阳供电公司 Distribution transformer network management system based on Zigbee and RFID technology

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1484034A (en) * 2002-09-18 2004-03-24 新疆特变电工股份有限公司 On-line intelligent monitoring system for transformer and intelligent analysis diagnosis method thereof
CN101325117A (en) * 2007-06-14 2008-12-17 咸日常 Intelligent control method for transformer cooling device based on temperature control and apparatus thereof
CN102957208A (en) * 2012-09-19 2013-03-06 北开电气集团有限公司 Intelligent monitoring device of power distribution transformer and control method thereof
CN203589839U (en) * 2013-10-24 2014-05-07 沈阳工程学院 Oil-immersed power transformer monitoring device
CN203759557U (en) * 2013-12-27 2014-08-06 杭州鸿程科技有限公司 Specific humidity and temperature monitor for wind-power box-type substation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1484034A (en) * 2002-09-18 2004-03-24 新疆特变电工股份有限公司 On-line intelligent monitoring system for transformer and intelligent analysis diagnosis method thereof
CN101325117A (en) * 2007-06-14 2008-12-17 咸日常 Intelligent control method for transformer cooling device based on temperature control and apparatus thereof
CN102957208A (en) * 2012-09-19 2013-03-06 北开电气集团有限公司 Intelligent monitoring device of power distribution transformer and control method thereof
CN203589839U (en) * 2013-10-24 2014-05-07 沈阳工程学院 Oil-immersed power transformer monitoring device
CN203759557U (en) * 2013-12-27 2014-08-06 杭州鸿程科技有限公司 Specific humidity and temperature monitor for wind-power box-type substation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105606149A (en) * 2015-11-12 2016-05-25 国网辽宁省电力有限公司朝阳供电公司 Distribution transformer network management system based on Zigbee and RFID technology

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Application publication date: 20150325

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