CN105703485B - A kind of transformer substation protection pressure plate arranged type on-line monitoring system and its application method - Google Patents
A kind of transformer substation protection pressure plate arranged type on-line monitoring system and its application method Download PDFInfo
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- CN105703485B CN105703485B CN201610200658.6A CN201610200658A CN105703485B CN 105703485 B CN105703485 B CN 105703485B CN 201610200658 A CN201610200658 A CN 201610200658A CN 105703485 B CN105703485 B CN 105703485B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims description 11
- 238000003825 pressing Methods 0.000 claims abstract description 126
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 239000000835 fiber Substances 0.000 claims abstract description 36
- 230000010365 information processing Effects 0.000 claims abstract description 26
- 230000003287 optical effect Effects 0.000 claims description 24
- 239000013307 optical fiber Substances 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 11
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- 238000005516 engineering process Methods 0.000 abstract description 7
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- 230000002633 protecting effect Effects 0.000 description 8
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- 230000001681 protective effect Effects 0.000 description 6
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Classifications
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- H02J13/0017—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00019—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using optical means
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- H02J13/0075—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses a kind of transformer substation protection pressure plate arranged type on-line monitoring systems, including sequentially connected status monitoring mechanism, error compensation mechanism, data gather computer structure and information processing mechanism, the status monitoring mechanism includes wideband light source and several fiber-optic grating sensors for being sequentially connected end to end in turn by fibre circuit, the corresponding protection pressing plate of the fiber-optic grating sensor is arranged on protection screen, the side of the protection pressing plate is arranged in the fiber-optic grating sensor, when the connecting plate of the protection pressing plate exits, the connecting plate can rotate to be contacted with the fiber-optic grating sensor.Can be to the throwing setback row on-line real time monitoring of protection pressing plate, and novel monitoring technology is used, avoid influence of the electromagnetic environment to monitoring accuracy.
Description
Technical field
The present invention relates to substation equipment Condition Monitoring Technology fields, and in particular to a kind of transformer substation protection pressure plate arranged type
On-line monitoring system and its application method.
Background technique
Protection pressing plate is also named protection in flakes, is the bridge and tie of protective device contact external wiring, is related to protection
Function and movement outlet can normally play a role.Protect visuality of the pressing plate because forming tie point and cut-off point after its operation
And most commonly used application is obtained in domestic protective device.Currently, in the power plant to have put into operation, all pacifying on protection screen of transformer substation
Equipped with large number of protection pressing plate, since with intuitive cut-off point, operations staff may determine that protective relaying device circuit
State in which provides great convenience to overhaul, running.It, can according to the difference of access protective device secondary circuit position
Protection pressing plate is divided into defencive function pressing plate and output clamping two major classes.Defencive function pressing plate realizes certain function of protective device
Can, such as the throwing, retreating function of main protection, distance protection, zero-sequenceprotection, it can be used for the control model for changing protection.Outlet pressure
It is that plate determines protection act as a result, different according to the object of protection act outlet effect, tripping output clamping can be divided into and opened
Dynamic pressure plate.Tripping output clamping directly acts on other switches of this switch or shunt tripping, if tripping output clamping is thrown in leakage, even if guarantor
Protection unit correctly acts, also can not tripping switch to cut off failure；Starting pressing plate is opened as other protections into being used.
The safe operation of relay protection system is the most important safety guarantee of electric system, protects the correct operation of pressing plate
It is particularly important.With the automation of transformation substations, the continuous development of dispatching automation technology, schedule system information, intelligence
Level has had reached very high degree, still, protects the informationization of pressing plate management aspect, intelligent level then relatively low.It protects
Shield pressing plate operating status correctness places one's entire reliance upon technical staff's inspection.Stopped under the premise of known protection pressing plate state
When transporting the conventional electric powers work flows such as maintenance, device to test, to ensure safety, it is still necessary to that technical staff is sent to protect to corresponding
Shield pressing plate carry out operation and state verification, substation or unattended operation transformer station especially for some remotenesses, this
One process will consume a large amount of human and material resources and financial resources.
Since the general lower and quantity of the installation site of protection pressing plate is more, arrangement comparatively dense, and protect the throwing of pressing plate
Moving back must be checked on by the sense of responsibility of operations staff, actual techniques level, by manual operation so it is easy to appear inspections completely
Careless omission and operating mistake, after special Unattended substation, protection pressing plate mistake is more difficult to find in time.In actual operation,
Because protection pressing plate throwing is moved back improper, the phenomenon that causing protection system that cannot correctly act, happens occasionally, and protection pressing plate mistake is once send out
It is raw, then it can cause protective relaying maloperation or tripping, consequence is hardly imaginable.In conclusion for the power plant that put into operation at present, becoming
Protection pressing plate in power station, there is two large problems urgent need to resolve: (1) protecting investment, the state of exiting of pressing plate to cannot achieve automatic knowledge
It does not monitor and remotely；(2) it can not effectively prevent the miscarrying of protection pressing plate, accidentally move back and poor contact.In order to solve above-mentioned ask
Topic, domestic enterprise from photoelectric sense technology, have already appeared some achievements mostly.
Application No. is 201410275594.7 inventions to provide a kind of protection pressing plate status detection terminal and its monitoring system,
The protection pressing plate status monitoring terminal, in the two different states of throwing, retreating, is respectively adopted on different positions for protection pressing plate
Lid not only realizes the monitoring and signal output for throwing each protection pressing plate state of moving back, and can also play to protection pressing plate
The effect that is protected of the throwing state of moving back, while the protection pressing plate status monitoring terminal can be directly installed on it is already installed
On the insulating base for protecting pressing plate, the position to existing protection pressing plate is not needed, structure is modified or more changes the outfit, installation letter
Singly, conveniently；It is whole to each protection pressing plate status monitoring by pressing plate signal concentrated collection device in the protection pressing plate condition monitoring system
End carries out information collection and is simultaneously transmitted to monitoring computer, patrol officer can succinctly, intuitively by checking monitoring computer
State is moved back in the throwing of each monitored protection pressing plate of display, consequently facilitating real-time understanding and operation to each pressing plate state.
The invention can be realized the monitoring to protection pressing plate state, but need to improve original device, larger workload, construct
Slowly.
Application No. is 201410591762.3 inventions to provide a kind of status monitoring terminal for electic protection pressing plate
Structure can be conveniently mounted to the side of the insulating base of electic protection pressing plate, and can be by holding lever adjustment
Sliding bar slides up and down position in guide chute the working condition of status monitoring terminal is arranged, and installs and use operation side
Just, and between its guide chute and sliding bar fit structure makes status monitoring terminal works stability be greatly improved,
Additionally by various optimization designs, the working condition of status monitoring terminal and the throwing of electic protection pressing plate is allowed to move back state more
It keeps corresponding to well, the monitoring computer for avoiding distal end moves back status monitoring information to the throwing of electic protection pressing plate and mistake occurs
Accidentally, check that failure and working condition are arranged mistake and provide convenience for operator.The invention is also required to carry out original device
It improves, although effect is very well, installation transformation labor intensive financial resources are larger.
Application No. is the utility models of 200920183105.X to disclose a kind of transformer substation protection pressure plate status monitoring system,
It includes a plurality of pressing plate condition intelligent sensing points, plurality of distributed formula administrative unit, a plurality of communication servers, an information
Converter, a network switch and a monitoring industrial personal computer, each distributed management unit and at least one pressing plate shape
The connection of state intelligent detecting point, after each communication server is connect at least one distributed management unit, is then connected to institute
The network switch is stated, the network switch is then separately connected monitoring industrial personal computer and transcriber.The utility model can be real
Existing substation's pressing plate state on-line real time monitoring, while can also alarm, it reminds operations staff to correct clamp operation in time, reduces peace
Full hidden danger improves automation of transformation substations level.The utility model does not need to be transformed original protection pressing plate, but protects
Pressing plate is under an electric power environmental, and electromagnetic environment is complicated, and the transmitting of information relies on electric signal transmission, and accuracy is poor, by ring
Border is affected.
Summary of the invention
The problem to be solved by the invention is to provide a kind of transformer substation protection pressure plate arranged type on-line monitoring system and its make
, can be to the throwing setback row on-line real time monitoring of protection pressing plate with method, and novel monitoring technology is used, avoid electromagnetism
Influence of the environment to monitoring accuracy.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of transformer substation protection pressure plate arranged type on-line monitoring system, including sequentially connected status monitoring mechanism, error
Compensation mechanism, data gather computer structure and information processing mechanism；
The status monitoring mechanism includes wideband light source and several optical fiber light for being sequentially connected end to end in turn by fibre circuit
Gate sensor, the corresponding protection pressing plate of the fiber-optic grating sensor are arranged on protection screen, the fiber-optic grating sensor
The side of the protection pressing plate is set, and when the connecting plate of the protection pressing plate exits, the connecting plate can rotate to and institute
State fiber-optic grating sensor contact；
The error compensation mechanism avoids temperature from making monitoring result for compensating to the error of status monitoring mechanism
At influence；
The data gather computer structure receives the optical signal from error compensation mechanism, and it is defeated to convert optical signals to electric signal
It send to information processing mechanism；
The electric signal that the information processing mechanism sends over data collecting mechanism is handled, and judges the optical fiber light
Whether deformation occurs for gate sensor, to judge that state is moved back in corresponding protection pressing plate throwing, and carries out to the status information of protection pressing plate
Scene display is sent to remote monitoring host.
Further, the side of the protection pressing plate is arranged in by first support for the fiber-optic grating sensor, described
First support is arranged on the protection screen, and elastic base is arranged in the fiber-optic grating sensor both ends, and the fiber grating passes
Sensor is arranged in the first support by elastic base.
Further, fixed magnetic is arranged by second support in the side of the fiber-optic grating sensor on the protection screen
Iron, setting insulation snap ring on the connecting plate correspond to the fixed magnet on the insulation snap ring and moving magnet are arranged.
Further, the fixed magnet is arranged in the second support by spring seat, the spring seat packet
Include extension spring.
Further, the error compensation mechanism includes fiber grating temperature sensor.
Further, the data gather computer structure includes fiber grating Network Analyzer.
Further, the information processing mechanism includes controller, the display being connected with the controller and communication mould
Block, the controller are connect by the communication module with the remote monitoring host.
A kind of application method of transformer substation protection pressure plate arranged type on-line monitoring system, includes the following steps:
1) wideband light source is opened, information processing mechanism receives the prison for the fiber-optic grating sensor that data gather computer structure is sent
Measurement information, system starts；
2) when some protection pressing plate investment, the connecting plate of the protection pressing plate is not carried out with corresponding fiber-optic grating sensor
Contact, does not cause the deformation of fiber-optic grating sensor, and the grating on the fiber-optic grating sensor does not also generate deformation, data acquisition
Mechanism monitors that wavelength does not change, judges that the protection pressing plate is not in the state of exiting；
3) when some protection pressing plate exits, the connecting plate of the protection pressing plate contacts simultaneously with corresponding fiber-optic grating sensor
Cause fiber-optic grating sensor deformation, so that the grating on fiber-optic grating sensor generates deformation, data gather computer structure prison
It measures wavelength to change, judges that the protection pressing plate is in the state of exiting；
4) throwing of calculated each protection pressing plate is moved back state and shown at the scene by information processing mechanism, and throwing is moved back
Status information is sent to remote monitoring host and realizes remote online monitoring.
The present invention provides a kind of transformer substation protection pressure plate arranged type on-line monitoring system, principle is to pass through fiber grating
Sensor realizes, by being in investment whether the deformation of fiber-optic grating sensor come the connecting plate of monitoring and protecting pressing plate or exiting
Position, realize to protection pressing plate job information be monitored.Protection pressing plate on protection screen is matrix arrangement, light mostly
The corresponding protection pressing plate of fiber grating sensor is also in matrix arrangement on protection screen, and wideband light source passes through fibre circuit and first
Fiber-optic grating sensor connection provides optical signal to entire monitoring system, and fibre circuit successively connects light grating sensor
Get up, and the last one fiber-optic grating sensor is connect with error compensation mechanism.When connecting plate exits, rotation is to touching light
Fiber grating sensor causes the deformation of sensor, and the wavelength of optical signal will change, and data gather computer structure receives wavelength
The optical signal of variation is simultaneously converted to electric signal, can monitor that connecting plate exits, and realizes the information monitoring to protection pressing plate state,
When otherwise connecting plate does not exit, connecting plate does not cause the deformation of fiber-optic grating sensor, and the wavelength of optical signal does not change, just
Connecting plate be can determine whether out in investment state, which relies on fiber-optic grating sensor and fibre circuit, on entire protection screen
A route is only needed to realize series connection, it is few to the space hold of protection screen panel, shadow is not caused to the operation of original equipment
It rings.And monitoring information is transmitted by optical signal in status monitoring mechanism, rather than traditional electric signal transmits, and avoids surrounding
Electromagnetic environment impacts the accuracy of monitoring system.
Since the central wavelength value of fiber grating can be influenced by temperature, the main body of influence of the temperature change to fiber grating
Two aspects of present thermo-optic effect and thermal expansion effects.In expanded by heating, optical fiber bragg wavelength increases；Optical fiber cloth when to the cold
Glug wavelength reduces, therefore the last one fiber-optic grating sensor is by error compensation mechanism and data gather computer structure, warm to it
Degree compensates, and temperature is avoided to impact the result of monitoring.The effect of data gather computer structure is to convert optical signals to letter
The electric signal that breath processing mechanism is capable of handling, information processing mechanism judges the fiber-optic grating sensor, and whether deformation occurs, comes
Judge that state is moved back in corresponding protection pressing plate throwing, and live display is carried out to the status information of protection pressing plate or is sent to remote monitoring
Host, the protection pressing plate that can pass through display after operation at the scene throw the case where bounce breath is checked, prevents maloperation hair
It is raw, the accuracy of work is improved, and the throwing bounce for protecting pressing plate can be ceased and be sent to remote monitoring host, information is remembered
Record, display, quadratic search, it is ensured that the accuracy of work.
Beneficial effects of the present invention are as follows:
1, the throwing setback row on-line real time monitoring of protection pressing plate can be thrown when protection pressing plate and moves back monitoring information and needs
It can be shown in time when operating inconsistent, operation maintenance personnel is prevented to be difficult to abundant and timely grasp pressing plate state and cause relay protection
Malfunction accident；
2, whether acted by the connecting plate of fiber-optic grating sensor monitoring and protecting pressing plate, do not use and rely in the prior art
Infrared sensor protects pressing plate status information to detect, so that the signal of monitoring is optical signal, it is multiple in electric power protection control room
The accuracy that can guarantee signal transmission under miscellaneous electromagnetic environment avoids electromagnetic environment and impacts to monitoring accuracy；
3, fiber-optic grating sensor is sequentially connected in series by fibre circuit, so that the winding displacement on protection screen is simple, is avoided existing
There is more monitoring route in technology to move back on the throwing of protection pressing plate and cause operational influence, decrease the investment of route,
Simplify wiring, reduces costs；
4, remote monitoring host can be transmitted to by communication module by protecting the throwing bounce breath of pressing plate, so that control centre's technology
Personnel can carry out quadratic search to the work of on-site personnel, it is avoided maloperation situation occur.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the system construction drawing of transformer substation protection pressure plate arranged type on-line monitoring system of the present invention；
Fig. 2 is the structural schematic diagram of status monitoring mechanism of the present invention；
Fig. 3 is the structural schematic diagram of present invention protection pressing plate and fiber-optic grating sensor, fixed magnet position；
Fig. 4 is the structural schematic diagram of present invention protection pressing plate and fiber-optic grating sensor；
Fig. 5 is the structural schematic diagram of fixed magnet and moving magnet of the present invention.
Specific embodiment
Technical solution of the present invention is further shown below with reference to Fig. 1 to Fig. 5, specific embodiment is as follows:
Embodiment one
It is as shown in Figures 1 to 5: to present embodiments provide a kind of transformer substation protection pressure plate arranged type on-line monitoring system, wrap
Include sequentially connected status monitoring mechanism 1, error compensation mechanism 2, data gather computer structure 3 and information processing mechanism 4；
The status monitoring mechanism 1 includes wideband light source 5 and several optical fiber being sequentially connected end to end in turn by fibre circuit 6
Grating sensor 7, the corresponding protection pressing plate 8 of the fiber-optic grating sensor 7 are arranged on protection screen 9, the fiber grating
The side of the protection pressing plate 8 is arranged in sensor 7, when the connecting plate 10 of the protection pressing plate 8 exits, the connecting plate 10
It can rotate to and contacted with the fiber-optic grating sensor 7；
The error compensation mechanism 2 avoids temperature to monitoring result for compensating to the error of status monitoring mechanism 1
It impacts；
The data gather computer structure 3 receives the optical signal from error compensation mechanism 2, and converts optical signals to electric signal
It is delivered to information processing mechanism 4；
The electric signal that the information processing mechanism 4 sends over data collecting mechanism 3 is handled, and judges the optical fiber
Whether deformation occurs for grating sensor 7, to judge that state is moved back in the corresponding throwing of protection pressing plate 8, and to the status information of protection pressing plate 8
It carries out live display or is sent to remote monitoring host 11.
This system principle is realized by fiber-optic grating sensor, by supervising whether the deformation of fiber-optic grating sensor
The position that the connecting plate of protection pressing plate is in investment or exits is surveyed, realizes that the job information to protection pressing plate is monitored.Protection
Protection pressing plate on screen is matrix arrangement mostly, and the corresponding protection pressing plate of fiber-optic grating sensor is also in that matrix arrangement is being protected
On screen, wideband light source is connect by fibre circuit with first fiber-optic grating sensor, provides optical signal to entire monitoring system,
Light grating sensor is successively together in series by fibre circuit, and by the last one fiber-optic grating sensor and error compensation mechanism
Connection.When connecting plate exits, rotation causes the deformation of sensor to fiber-optic grating sensor is touched, and the wavelength of optical signal will
It changes, data gather computer structure receives the optical signal of wavelength change and is converted to electric signal, can monitor that connecting plate moves back
Out, the information monitoring to protection pressing plate state is realized, otherwise connecting plate does not exit, connecting plate does not cause fiber-optic grating sensor
Deformation, the wavelength of optical signal do not change, and can judge connecting plate in investment state, which relies on optical fiber light
Gate sensor and fibre circuit only need a route to realize series connection on entire protection screen, account for the space of protection screen panel
With few, the operation of original equipment is not impacted.And monitoring information is transmitted by optical signal in status monitoring mechanism, without
It is traditional electric signal transmitting, the electromagnetic environment for avoiding surrounding impacts the accuracy of monitoring system.
Since the central wavelength value of fiber grating can be influenced by temperature, the main body of influence of the temperature change to fiber grating
Two aspects of present thermo-optic effect and thermal expansion effects.In expanded by heating, optical fiber bragg wavelength increases；Optical fiber cloth when to the cold
Glug wavelength reduces, therefore the last one fiber-optic grating sensor is by error compensation mechanism and data gather computer structure, warm to it
Degree compensates, and temperature is avoided to impact the result of monitoring.The effect of data gather computer structure is to convert optical signals to letter
The electric signal that breath processing mechanism is capable of handling, information processing mechanism judges the fiber-optic grating sensor, and whether deformation occurs, comes
Judge that state is moved back in corresponding protection pressing plate throwing, and live display is carried out to the status information of protection pressing plate or is sent to remote monitoring
Host, the protection pressing plate that can pass through display after operation at the scene throw the case where bounce breath is checked, prevents maloperation hair
It is raw, the accuracy of work is improved, and the throwing bounce for protecting pressing plate can be ceased and be sent to remote monitoring host, information is remembered
Record, display, quadratic search, it is ensured that the accuracy of work.
The fiber-optic grating sensor 7 by first support 12 be arranged in it is described protection pressing plate 8 side, described first
Frame 12 is arranged on the protection screen 9, and elastic base 13 is arranged in 7 both ends of fiber-optic grating sensor, and the fiber grating passes
Sensor 7 is arranged in the first support 12 by elastic base 13.This is a kind of structure of fiber-optic grating sensor setting, is led to
It crosses first support to be supported, connecting plate can be contacted with fiber-optic grating sensor when exiting so that its deformation.Fiber grating
Sensor can be protected by elastic base, and connecting plate needs just to can be carried out the monitoring for throwing state of moving back with sensor contacts,
The two is hard contact, the time grown after easily cause the damage of equipment, can be in its contact-impact by elastic base
It realizes soft contact, the deformation of sensor can be caused and sensor is damaged, protecting effect is fine.
Fixed magnet 15 is arranged by second support 14 in the side of the fiber-optic grating sensor 7 on the protection screen 9,
Insulation snap ring 16 is set on the connecting plate 10, corresponds to the fixed magnet 15 on the insulation snap ring 16 and moving magnet is set
17.The fixed magnet of setting has magnetic effect to moving magnet, and moving magnet is arranged on connecting plate by insulation snap ring, no
The normal function of connecting plate can be impacted, and not need to be changed existing equipment, such as drilling, renewal part, if
Very just, the cooperation of both fixed magnet and moving magnet can be fixed it when connecting plate exits for standby installation, prevent small
Animal accidentally touches and causes maloperation, and the safety used is higher, reduces the probability that electric power accident occurs.
The fixed magnet 15 is arranged in the second support 14 by spring seat 18, and the spring seat 18 includes
Extension spring.Extension spring provides convergent force in spring elongation, in this way can be in connecting plate in magnetic attraction and optical fiber grating sensing
A balance is grasped between device deformation resilience power, both can guarantee that fixed magnet and moving magnet contact possessed enough the suction-combining forces
Degree, but the deformation for being able to maintain fiber-optic grating sensor will not damage equipment itself in a suitable range.
Embodiment two
It is as depicted in figs. 1 and 2: to present embodiments provide a kind of transformer substation protection pressure plate arranged type on-line monitoring system, wrap
Include sequentially connected status monitoring mechanism 1, error compensation mechanism 2, data gather computer structure 3 and information processing mechanism 4；
The status monitoring mechanism 1 includes wideband light source 5 and several optical fiber being sequentially connected end to end in turn by fibre circuit 6
Grating sensor 7, the corresponding protection pressing plate 8 of the fiber-optic grating sensor 7 are arranged on protection screen 9, the fiber grating
The side of the protection pressing plate 8 is arranged in sensor 7, when the connecting plate 10 of the protection pressing plate 8 exits, the connecting plate 10
It can rotate to and contacted with the fiber-optic grating sensor 7；
The error compensation mechanism 2 avoids temperature to monitoring result for compensating to the error of status monitoring mechanism 1
It impacts；
The data gather computer structure 3 receives the optical signal from error compensation mechanism 2, and converts optical signals to electric signal
It is delivered to information processing mechanism 4；
The electric signal that the information processing mechanism 4 sends over data collecting mechanism 3 is handled, and judges the optical fiber
Whether deformation occurs for grating sensor 7, to judge that state is moved back in the corresponding throwing of protection pressing plate 8, and to the status information of protection pressing plate 8
It carries out live display or is sent to remote monitoring host 11.
The error compensation mechanism 2 includes fiber grating temperature sensor.Using no metallization packaged technique, there is heat to pass
Characteristic and high-strength characteristic are led, compact structure is conducive to be arranged on protection screen, can be sticked on protection screen by binder, anti-electromagnetism
Interference performance is strong, is suitble to use under the environment locating for apparatus of the present invention.
The data gather computer structure 3 includes fiber grating Network Analyzer, and main function converts optical signals to electric signal,
It can be set in protection outdoor, reduce electromagnetic environment and the electric signal after conversion is impacted, it is ensured that the accuracy of monitoring.
Embodiment three
As depicted in figs. 1 and 2: the present embodiment additionally provides a kind of transformer substation protection pressure plate arranged type on-line monitoring system,
Including sequentially connected status monitoring mechanism 1, error compensation mechanism 2, data gather computer structure 3 and information processing mechanism 4；
The status monitoring mechanism 1 includes wideband light source 5 and several optical fiber being sequentially connected end to end in turn by fibre circuit 6
Grating sensor 7, the corresponding protection pressing plate 8 of the fiber-optic grating sensor 7 are arranged on protection screen 9, the fiber grating
The side of the protection pressing plate 8 is arranged in sensor 7, when the connecting plate 10 of the protection pressing plate 8 exits, the connecting plate 10
It can rotate to and contacted with the fiber-optic grating sensor 7；
The error compensation mechanism 2 avoids temperature to monitoring result for compensating to the error of status monitoring mechanism 1
It impacts；
The data gather computer structure 3 receives the optical signal from error compensation mechanism 2, and converts optical signals to electric signal
It is delivered to information processing mechanism 4；
The electric signal that the information processing mechanism 4 sends over data collecting mechanism 3 is handled, and judges the optical fiber
Whether deformation occurs for grating sensor 7, to judge that state is moved back in the corresponding throwing of protection pressing plate 8, and to the status information of protection pressing plate 8
It carries out live display or is sent to remote monitoring host 11.
The information processing mechanism 4 includes controller 19, the display 20 being connected with the controller 19 and communication module
21, the controller 19 is connect by the communication module 21 with the remote monitoring host 11.Controller can be used programmable
Logic controller handles the electric signal received, and is shown over the display, moreover it is possible to will be protected by communication module
The throwing bounce breath of shield pressing plate is sent to remote monitoring host, and wired or wireless mode can be used in communication module, wired to can be used
Fiber optic conduction can wirelessly be transmitted by way of GPRS/3G/4G, it is ensured that the accuracy of signal transmission and remote.Far
End control host includes host computer, memory, alarm, display, realizes and throws the display for moving back data, storage to protection pressing plate,
And it can alarm maloperation.
Example IV
The present embodiment additionally provides a kind of application method of transformer substation protection pressure plate arranged type on-line monitoring system, including such as
Lower step:
1) wideband light source is opened, information processing mechanism receives the prison for the fiber-optic grating sensor that data gather computer structure is sent
Measurement information, system starts；
2) when some protection pressing plate investment, the connecting plate of the protection pressing plate is not carried out with corresponding fiber-optic grating sensor
Contact, does not cause the deformation of fiber-optic grating sensor, and the grating on the fiber-optic grating sensor does not also generate deformation, data acquisition
Mechanism monitors that wavelength does not change, judges that the protection pressing plate is not in the state of exiting；
3) when some protection pressing plate exits, the connecting plate of the protection pressing plate contacts simultaneously with corresponding fiber-optic grating sensor
Cause fiber-optic grating sensor deformation, so that the grating on fiber-optic grating sensor generates deformation, data gather computer structure prison
It measures wavelength to change, judges that the protection pressing plate is in the state of exiting；
4) throwing of calculated each protection pressing plate is moved back state and shown at the scene by information processing mechanism, and throwing is moved back
Status information is sent to remote monitoring host and realizes remote online monitoring.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (7)
1. a kind of transformer substation protection pressure plate arranged type on-line monitoring system, it is characterised in that: including sequentially connected status monitoring
Mechanism, error compensation mechanism, data gather computer structure and information processing mechanism；
The status monitoring mechanism includes wideband light source and is passed by several fiber gratings that fibre circuit is sequentially connected end to end in turn
Sensor, the corresponding protection pressing plate of the fiber-optic grating sensor are arranged on protection screen, the fiber-optic grating sensor setting
In the side of the protection pressing plate, when the connecting plate of the protection pressing plate exits, the connecting plate be can rotate to and the light
Fiber grating sensor contact；
The error compensation mechanism avoids temperature from causing shadow to monitoring result for compensating to the error of status monitoring mechanism
It rings；
The data gather computer structure receives the optical signal from error compensation mechanism, and converts optical signals to electric signal and be delivered to
Information processing mechanism；
The electric signal that the information processing mechanism sends over data collecting mechanism is handled, and judges that the fiber grating passes
Whether deformation occurs for sensor, to judge that state is moved back in corresponding protection pressing plate throwing, and carries out scene to the status information of protection pressing plate
Show or be sent to remote monitoring host；
The side of the protection pressing plate is arranged in by first support for the fiber-optic grating sensor, and the first support setting exists
On the protection screen, elastic base is arranged in the fiber-optic grating sensor both ends, and the fiber-optic grating sensor passes through elastic base
Seat is arranged in the first support.
2. transformer substation protection pressure plate arranged type on-line monitoring system as described in claim 1, it is characterised in that: the optical fiber light
Fixed magnet is arranged by second support in the side of gate sensor on the protection screen, and edge insulator is arranged on the connecting plate
Ring corresponds to the fixed magnet setting moving magnet on the insulation snap ring.
3. transformer substation protection pressure plate arranged type on-line monitoring system as claimed in claim 2, it is characterised in that: the fixed magnetic
Tie Tong crosses spring seat and is arranged in the second support, and the spring seat includes extension spring.
4. transformer substation protection pressure plate arranged type on-line monitoring system as described in claim 1, it is characterised in that: the error is mended
Repaying mechanism includes fiber grating temperature sensor.
5. transformer substation protection pressure plate arranged type on-line monitoring system as described in claim 1, it is characterised in that: the data are adopted
Collecting mechanism includes fiber grating Network Analyzer.
6. transformer substation protection pressure plate arranged type on-line monitoring system as described in claim 1, it is characterised in that: at the information
Managing mechanism includes controller, the display being connected with the controller and communication module, and the controller passes through the communication mould
Block is connect with the remote monitoring host.
7. a kind of user of the transformer substation protection pressure plate arranged type on-line monitoring system based on claim 1-6 any one
Method, characterized by the following steps:
1) wideband light source is opened, information processing mechanism receives the monitoring letter for the fiber-optic grating sensor that data gather computer structure is sent
Breath, system starts；
2) when some protection pressing plate investment, the connecting plate of the protection pressing plate is not connect with corresponding fiber-optic grating sensor
Touching, does not cause the deformation of fiber-optic grating sensor, the grating on the fiber-optic grating sensor does not also generate deformation, data gather computer
Structure monitors that wavelength does not change, judges that the protection pressing plate is not in the state of exiting；
3) when some protection pressing plate exits, the connecting plate of the protection pressing plate contacts and causes with corresponding fiber-optic grating sensor
Fiber-optic grating sensor deformation, so that the grating on fiber-optic grating sensor generates deformation, data gather computer structure is monitored
Wavelength changes, and judges that the protection pressing plate is in the state of exiting；
4) throwing of calculated each protection pressing plate is moved back state and shown at the scene by information processing mechanism, and state is moved back in throwing
Information is sent to remote monitoring host and realizes remote online monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200658.6A CN105703485B (en) | 2016-04-01 | 2016-04-01 | A kind of transformer substation protection pressure plate arranged type on-line monitoring system and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610200658.6A CN105703485B (en) | 2016-04-01 | 2016-04-01 | A kind of transformer substation protection pressure plate arranged type on-line monitoring system and its application method |
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| Publication Number | Publication Date |
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| CN105703485A CN105703485A (en) | 2016-06-22 |
| CN105703485B true CN105703485B (en) | 2019-02-15 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107394895A (en) * | 2017-08-14 | 2017-11-24 | 贵州电网有限责任公司 | A kind of hard pressing plate Long-Range Surveillance Unit of transforming plant protecting |
| CN108736572A (en) * | 2018-05-31 | 2018-11-02 | 国网河南省电力公司检修公司 | Power equipment intelligence control platform |
| CN110048508B (en) * | 2019-04-10 | 2020-12-01 | 国网浙江省电力有限公司检修分公司 | Remote monitoring system for transformer substation pressure plate state |
| CN110011286A (en) * | 2019-04-28 | 2019-07-12 | 国网新疆电力有限公司 | System and corresponding acquisition method for the acquisition of relay-protection pressing plate data |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439948A (en) * | 2013-08-28 | 2013-12-11 | 国家电网公司 | Transformer substation protecting pressing plate intelligent operating and monitoring system |
| CN104022576A (en) * | 2014-06-19 | 2014-09-03 | 重庆大学 | Terminal and system for monitoring protection pressing plate states |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439948A (en) * | 2013-08-28 | 2013-12-11 | 国家电网公司 | Transformer substation protecting pressing plate intelligent operating and monitoring system |
| CN104022576A (en) * | 2014-06-19 | 2014-09-03 | 重庆大学 | Terminal and system for monitoring protection pressing plate states |
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| 《基于光电检测原理的压板状态检测及防误***》;李佳容等;《重庆大学学报》;20140531;第37卷(第5期);第29-36页 |
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