CN206595999U - Monitoring and prior-warning device available for standby channel of transformer substation - Google Patents
Monitoring and prior-warning device available for standby channel of transformer substation Download PDFInfo
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- CN206595999U CN206595999U CN201720374377.2U CN201720374377U CN206595999U CN 206595999 U CN206595999 U CN 206595999U CN 201720374377 U CN201720374377 U CN 201720374377U CN 206595999 U CN206595999 U CN 206595999U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 238000011897 real-time detection Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model can be used for monitoring and the prior-warning device of standby channel of transformer substation, including signal amplitude and phase detecting module, signal rate detection module, signal break-make detection module, main processing block, alarm module, communication module, signal amplitude and phase detecting module, signal rate detection module, signal break-make detection module are all connected with main processing block, main processing block connects alarm module and communication module, efficiently solves the problem of current transformer station's communication channel communication quality can not ensure, fault message can not be known in time in control centre.The utility model is simple in construction, be skillfully constructed, it can detect that communication port transmits the quality and break-make situation of signal in real time, and in channel failure, Intelligent Single-Chip Based controls alarm module early warning, running status is sent on the mobile phone of control centre personnel by wireless communication module in the way of short message, satellite channel can be accessed simultaneously, as standby channel of transformer substation, makes control centre to the accurate analysis of distribution system, allotment.
Description
Technical field
The utility model is related to standby channel of transformer substation technical field, more particularly to the monitoring of standby channel of transformer substation with
Prior-warning device.
Background technology
With the development of electric substation automation system, all information of transformer station are to be uploaded to by communication channel in scheduling
The heart, fiber optic communication application is especially extensive, when fiber optic communication is broken down, substation information can be caused not upload, and optical fiber leads to
When believing that technical quality is poor, distortion is extended to when substation information can be caused to upload, be unfavorable for control centre to the analysis of distribution system,
Allotment, and fault message can not be known in time in control centre.
So the utility model provides a kind of new scheme to solve this problem.
The content of the invention
For above-mentioned situation, to overcome the defect of prior art, the purpose of the utility model, which is to provide, can be used for power transformation
Stand alternate channel monitoring and prior-warning device, be skillfully constructed and human oriented design characteristic, efficiently solve current change
The problem of power station communication channel communication quality can not ensure, fault message can not be known in time in control centre.
Its technical scheme solved is, including signal amplitude and phase detecting module, signal rate detection module, signal lead to
Disconnected detection module, main processing block, alarm module, communication module, it is characterised in that signal amplitude and phase detecting module, letter
Number speed detection module, signal break-make detection module are all connected with main processing block, main processing block connection alarm module and communication
Module；
The signal amplitude and phase detecting module include network reference signal H1, network live signal H2, grid reference
Signal H1 pin 1 connects grounding resistance R1 one end, electric capacity C1 one end respectively, and electric capacity C1 other end connection chip U1's draws
Pin 2, the chip U1 connection ground capacity of pin 3 C2 one end, chip U1 pin 4 connects resistance R3 one end, ground connection respectively
Electric capacity C5 one end, resistance the R3 other end connection power supply+5V, chip U1 the connection ground capacity of pin 5 C3 one end, network
The live signal H2 concatenation operation amplifier OP1 of pin 1 in-phase input end, operational amplifier OP1 inverting input difference
Connect grounding resistance R5 one end, resistance R4 one end, resistance R4 other end difference concatenation operation amplifier OP1 output
End, grounding resistance R2 one end, electric capacity C4 one end, electric capacity C4 other end connection chip U1 pin 6, chip U1 pin 1,
The connection of pin 7 ground, the chip U1 connection ground capacity of pin 8 C6 one end, the chip U1 connection ground capacity of pin 14 C5's
One end；
The signal rate detection module includes photo-coupler U2, the photo-coupler U2 connection power supply+5V of pin 1, optocoupler
Clutch U2 pin 2, the connection of pin 3 ground, photo-coupler U2 pin 4 connects resistance R6 one end, resistance R7 one end, resistance respectively
R6 other end connection power supply+5V, resistance R7 other end connecting triode Q1 base stage, triode Q1 emitter stage connection
Ground, triode Q1 colelctor electrode connects resistance R8 one end, single-chip microcomputer U3 pin 5, resistance R8 other end connection electricity respectively
Source+5V.
The utility model is simple in construction, be skillfully constructed, the amplitude and phase, speed of the real-time detection fiber communication transmission signal of energy
Rate, break-make situation, and in channel failure, Intelligent Single-Chip Based control alarm module early warning, wireless communication module is with the side of short message
Running status is sent on the mobile phone of control centre personnel by formula, while radio satellite passage can be accessed, it is standby as transformer station
With passage, make control centre to the accurate analysis of distribution system, allotment.
Brief description of the drawings
Fig. 1 is the utility model circuit link block figure.
Fig. 2 is the utility model circuit catenation principle figure.
Embodiment
About of the present utility model foregoing and other technology contents, feature and effect, in following cooperation with reference to figures 1 through figure
In the detailed description of 2 pairs of embodiments, can clearly it present.The structure content being previously mentioned in following examples, is with explanation
Book accompanying drawing is reference.
Each exemplary embodiment of the present utility model is described below with reference to accompanying drawings.
Embodiment one, monitoring and prior-warning device available for standby channel of transformer substation, signal amplitude and phase detecting module
The amplitude and phase of real-time detection fiber communication transmission signal, the real-time detection fiber communication transmission signal of signal rate detection module
Transmission rate, signal break-make detection module be used for communication abnormality when test fiber optic communication in optical cable break-make, main processing block
For amplitude and phase, speed, the break-make of analysis channel signal, corresponding LED status is controlled, and by real-time status with short message
Mode is sent on control centre's personnel's mobile phone, and alarm module is used to be directed to different running statuses, does and indicates and send accordingly
Fiber optic communication signal running status is sent to mobile phone terminal by alarm, communication module；Signal amplitude and the phase-detection mould
It is that standard network transmits signal that block, which includes network reference signal H1, network live signal H2, network reference signal H1, through resistance
Chip U1 passage all the way is sent into after R1, electric capacity C1, even even electric capacity C2, C3, core are moved back in connection respectively for chip U1 pin 3, pin 5
Piece U1 pin 4 is power end, is provided by resistance R3 and electric capacity C5, and chip U1 pin 6 is another paths input, network
Live signal H2 through operational amplifier OP1, resistance R5, resistance R4 it is scaling after after resistance R2, electric capacity C4 access, chip U1
Pin 1, the connection of pin 7 ground, chip U1 pin 8 is phase output, external filter capacitor C6, and chip U1 pin 14 is
Phase output, external filter capacitor C5；The signal rate detection module is used for the light pulse letter for receiving fiber optic conduction device
Number, and light pulse signal is changed to the change for being converted into electric signal, single-chip microcomputer skip signal is sent to, so as to draw the biography of optical fiber
Defeated speed, including photo-coupler U2, photo-coupler the U2 connection of pin 1 power supply+5V, photo-coupler U2 pin 2 receive optical fiber
The light pulse signal of conduction device, photo-coupler U2 conducting and end, be converted into the change of electric signal, by resistance R6, resistance R7,
Feeding single-chip microcomputer U3 pin 5 after triode Q1 composition amplifying circuit amplifications.
Embodiment two, on the basis of embodiment one, the signal break-make detection module is used for test light during communication failure
The break-make of fine optical cable, start break-make detection before, should first with short-circuited conducting sleeve by all cored wire short circuits of cable one end, it is another terminate to after
On electrical equipment array, relay array is used for carrying out access switching to the cored wire of cable, and all cored wires pass through corresponding relay
Normally-closed contact be grounded through resistance R9 and R10, when detecting 1# cored wires, the first group relay in closing relay array J1 makes
The normally opened contact closure of first group relay ,+15V is added on resistance R9 and R10 by cored wire, sent after R9 and R10 partial pressures
To single-chip microcomputer, if surveyed cored wire is breaking, no voltage is sent to single-chip microcomputer, and many cored wires can be similarly detected successively.
Embodiment three, on the basis of embodiment one, the main processing block is used for the amplitude and phase of analysis channel signal
Position, speed, break-make, control corresponding LED status, and real-time status is sent into control centre's personnel's mobile phone with short message mode
On, include model AT89C52 single-chip microcomputer U3, single-chip microcomputer U3 pins 40, pin 20 are power supply and end ground, and single-chip microcomputer U3's draws
Pin 9 connects the automatic reset circuit being made up of resistance R11, electrochemical capacitor E2, and reset is provided for electricity on single-chip microcomputer, single-chip microcomputer U3's
Pin 18, pin 19 connect the clock circuit being made up of crystal oscillator X1, electric capacity C7, electric capacity C8, and work clock is provided for single-chip microcomputer, single
The piece machine U3 connection chip of pin 4 U1 pin 9, pin 10, receiving phase difference signal, the single-chip microcomputer U3 connection chip of pin 1
U1 pin 12, pin 13, receives a point ratio signals；The alarm module is used to intuitively indicate communication information state, by monolithic
Machine is controlled, when single-chip microcomputer analyzes amplitude and phase, speed in normal range (NR), the single-chip microcomputer U3 output low level letter of pin 34
Number, through resistance R12 connection green indicating lamp LED3 negative poles, because green indicating lamp LED3 positive poles connect power supply+5V, green is indicated
Lamp LED3 is bright, and when single-chip microcomputer analyzes amplitude and phase, speed exception and normal break-make, single-chip microcomputer U3 pin 33 exports low electricity
Ordinary mail number, the negative pole through resistance R13 connection yellow indicator lamps LED2 is yellow because yellow indicator lamp LED2 positive poles connect power supply+5V
Color indicator lamp LED2 is bright, resistance R14 one end connection single-chip microcomputer U3 pin 32 and triode Q3 base stage, and resistance R14's is another
One end connection red led LED1 negative pole, red led LED1 positive pole, yellow indicator lamp LED2 positive pole, green refer to
Show that lamp LED3 positive pole, triode Q3 emitter stage are all connected with power supply+5V, triode Q3 colelctor electrode connection buzzer LS1's
Positive pole, buzzer LS1 negative pole passes through resistance R21 connections ground.
Example IV, on the basis of embodiment one, the communication module is different for detecting communication quality in single-chip microcomputer
Often, during the failure such as channel interrupt, control wireless gsm module to send alarm message, and by the address prestored, be sent to corresponding
The mobile terminal that possesses of each staff.
When the utility model is specifically used, signal amplitude and phase techniques index, standard speed, communicatively are preset
Location, when green indicating lamp LED3 is bright, shows that channel signal is normal, control centre can be accurate to distribution system according to the data of transmission
Analysis, allotment；When yellow indicator lamp LED2 is bright, show that control centre can receive transmission data, but the number received
The problems such as according to having time delay, mess code, the time is defined in the data transmitted when control centre analyzes distribution system, allocated, and with
Running status is sent on the mobile phone of control centre personnel by the mode of short message；When red led LED1 is bright, and buzzer report
When alert, show fiber optic communication failure, running status is sent to by Intelligent Single-Chip Based control wireless communication module in the way of short message
On the mobile phone of control centre personnel, while satellite channel can be accessed, as standby channel of transformer substation, make control centre to distribution
System is accurately analyzed, allocated.
Described above is to combine embodiment further detailed description of the utility model, it is impossible to assert this
Utility model specific implementation is limited only to this；For belonging to the utility model and for those skilled in the technology concerned,
The expansion made under the premise of technical solutions of the utility model thinking and operating method, the replacement of data, should all fall
Within the utility model protection domain.
Claims (5)
1. monitoring and prior-warning device available for standby channel of transformer substation, including signal amplitude and phase detecting module, signal speed
Rate detection module, signal break-make detection module, main processing block, alarm module, communication module, it is characterised in that signal amplitude
And phase detecting module, signal rate detection module, signal break-make detection module are all connected with main processing block, main processing block connects
Module taking alarm and communication module；
The signal amplitude and phase detecting module include network reference signal H1, network live signal H2, network reference signal
H1 pin 1 connects grounding resistance R1 one end, electric capacity C1 one end respectively, and the electric capacity C1 other end connects chip U1 pin 2,
The chip U1 connection ground capacity of pin 3 C2 one end, chip U1 pin 4 connects resistance R3 one end, ground capacity respectively
C5 one end, resistance the R3 other end connection power supply+5V, chip U1 the connection ground capacity of pin 5 C3 one end, network is real-time
The signal H2 concatenation operation amplifier OP1 of pin 1 in-phase input end, operational amplifier OP1 inverting input is connected respectively
Grounding resistance R5 one end, resistance R4 one end, the resistance R4 other end respectively concatenation operation amplifier OP1 output end, connect
Ground resistance R2 one end, electric capacity C4 one end, electric capacity C4 other end connection chip U1 pin 6, chip U1 pin 1, pin 7
Connection ground, the chip U1 connection ground capacity of pin 8 C6 one end, the chip U1 connection ground capacity of pin 14 C5 one end；
The signal rate detection module includes photo-coupler U2, the photo-coupler U2 connection power supply+5V of pin 1, photo-coupler
The U2 connection fiber optic conduction device of pin 2 H3 pin 1, the connection of pin 3 ground, photo-coupler U2 pin 4 connects resistance respectively
R6 one end, resistance R7 one end, resistance R6 other end connection power supply+5V, resistance R7 other end connecting triode Q1 base stage,
Triode Q1 emitter stage connection ground, triode Q1 colelctor electrode connects resistance R8 one end, single-chip microcomputer U3 pin 5 respectively,
Resistance R8 other end connection power supply+5V.
2. the monitoring and prior-warning device according to claim 1 available for standby channel of transformer substation, it is characterised in that described
Signal break-make detection module includes cored wire J2, and cored wire J2 can be many cored wires, and cored wire J2 pin 1, pin 2 connect relay respectively
Device array J1 pin 1, pin 4, relay array J1 pin 2 and pin 5 connection resistance R9 one end, the resistance R9 other end
Connection grounding resistance R10 one end, single-chip microcomputer U3 pin 6 respectively, relay array J1 pin 3 and pin 6 connection power supply+
15V。
3. the monitoring and prior-warning device according to claim 1 available for standby channel of transformer substation, it is characterised in that described
Main processing block includes single-chip microcomputer U3, the connection power supply+5V of single-chip microcomputer U3 pins 40, the connection of single-chip microcomputer U3 pins 20 ground, single-chip microcomputer
U3 pin 9 connects resistance R11 one end, electrochemical capacitor E2 negative poles, the connection of electrochemical capacitor E2 positive poles power supply+5V, resistance R11 respectively
Other end connection ground, single-chip microcomputer U3 pins 18 connect crystal oscillator X1 upper ends and electric capacity C8 right-hand members respectively, and single-chip microcomputer U3 pins 19 are distinguished
Crystal oscillator X1 lower ends and electric capacity C7 right-hand members are connected, electric capacity C8 left ends and electric capacity C7 left ends are all connected with ground, and single-chip microcomputer U3 pin 4 is connected
Chip U1 pin 9, pin 10, the single-chip microcomputer U3 connection chip of pin 1 U1 pin 12, pin 13；
The alarm module includes resistance R12, resistance R13, resistance R14, resistance R12 one end connection single-chip microcomputer U3 pin
34, resistance the R12 other end connection green indicating lamp LED3 negative pole, resistance R13 one end connection single-chip microcomputer U3 pin 33,
Resistance R13 other end connection yellow indicator lamp LED2 negative pole, resistance R14 one end connection single-chip microcomputer U3 pin 32 and three
Pole pipe Q3 base stage, resistance R14 other end connection red led LED1 negative pole, red led LED1 positive pole, Huang
Color indicator lamp LED2 positive pole, green indicating lamp LED3 positive pole, triode Q3 emitter stage is all connected with power supply+5V, triode
Q3 colelctor electrode connection buzzer LS1 positive pole, buzzer LS1 negative pole passes through resistance R21 connections ground.
4. the monitoring and prior-warning device according to claim 1 available for standby channel of transformer substation, it is characterised in that described
Communication module is the wireless gsm module for being equipped with SIM card, data sending terminal, data receiver and the single-chip microcomputer U1 of wireless gsm module
Serial ports connection, the start end of wireless gsm module is connected with single-chip microcomputer U1 I/O mouths.
5. the monitoring and prior-warning device according to claim 1 available for standby channel of transformer substation, it is characterised in that described
Chip U1 is model AD8302 amplitude-phase detection chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720374377.2U CN206595999U (en) | 2017-04-11 | 2017-04-11 | Monitoring and prior-warning device available for standby channel of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720374377.2U CN206595999U (en) | 2017-04-11 | 2017-04-11 | Monitoring and prior-warning device available for standby channel of transformer substation |
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| Publication Number | Publication Date |
|---|---|
| CN206595999U true CN206595999U (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720374377.2U Active CN206595999U (en) | 2017-04-11 | 2017-04-11 | Monitoring and prior-warning device available for standby channel of transformer substation |
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| Country | Link |
|---|---|
| CN (1) | CN206595999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980928A (en) * | 2019-04-24 | 2019-07-05 | 北京无线电测量研究所 | A kind of the channel power source Fault Isolation circuit and device of high input voltage T/R component |
-
2017
- 2017-04-11 CN CN201720374377.2U patent/CN206595999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980928A (en) * | 2019-04-24 | 2019-07-05 | 北京无线电测量研究所 | A kind of the channel power source Fault Isolation circuit and device of high input voltage T/R component |
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