CN108648434A - A kind of relay protection action message remote transmitting system and teletransmission method - Google Patents
A kind of relay protection action message remote transmitting system and teletransmission method Download PDFInfo
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- CN108648434A CN108648434A CN201810749242.9A CN201810749242A CN108648434A CN 108648434 A CN108648434 A CN 108648434A CN 201810749242 A CN201810749242 A CN 201810749242A CN 108648434 A CN108648434 A CN 108648434A
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- 230000009471 action Effects 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 52
- 238000004891 communication Methods 0.000 claims abstract description 22
- 230000011664 signaling Effects 0.000 claims abstract description 21
- 238000007639 printing Methods 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract description 18
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000002633 protecting effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- 229910052744 lithium Inorganic materials 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
- G06F3/1285—Remote printer device, e.g. being remote from client or server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/55—Push-based network services
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- General Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of relay protection action message remote transmitting system of present invention offer and teletransmission method; belong to Relay Protection Technology in Power System field, which includes protective relaying device, color sensor, serial port distributor, printer, Transistor-Transistor Logic level signaling module, microcontroller, GPRS communication modules, internet cloud platform and terminal device；Wherein, the output port that protective relaying device prints message connects serial port distributor; serial port distributor is separately connected printer and Transistor-Transistor Logic level signaling module, printer printing operation message data when protective relaying device acts again, and Transistor-Transistor Logic level signaling module connects microcontroller；Color sensor is arranged at the signal lamp of protective relaying device, the color signal for acquiring signal lamp, and color sensor connects microcontroller；Microcontroller connects internet cloud platform by GPRS communication modules, and internet cloud platform reconnects terminal device.The teletransmission method is based on above-mentioned remote transmitting system, to realize the remote monitoring of relay protection of power system action message.
Description
Technical field
The invention belongs to Relay Protection Technology in Power System field, more particularly to a kind of relay protection action message teletransmission system
System and teletransmission method, the remote transmitting system and teletransmission method are clouds in the emergent mould of relay protection of power system dedicated network failure
The application of Message processing is protected under formula.
Background technology
Protective relaying device is electric system important component, and effect is when electric system is broken down, in time
Monitor that failure occurs and correctly action is tripped, to cut off failure in time, whether protective relaying device correctly acts to ensureing
The safety and economic operation of electric system, excision failure play critical decisive action.Existing protective relaying device passes through power transformation
The devices such as CT, the CVT to stand acquire voltage, the current signal of power grid, carry out signal processing by its internal micro computer, and by special
The monitoring system of the complete specialized network being isolated with internet and transformer station's master control room is contacted, and protective relaying device is worked as
Message data is acted when doing protection act passes through dedicated network upload information to monitoring system.In recent years, relay protection fault
Event also happens occasionally, and especially in private network failure or monitoring device failure, relay protection action message can not just push
Substation operator on duty is given, therefore, acquires the protection act information of protective relaying device under special circumstances and by other peaces
Protection act information is pushed to substation operator on duty just by full Internet channel seems particularly important.
Currently, a kind of method for relay protection action message teletransmission that domestic each department are realized is mainly the string by protecting
Mouth or switching value contact point signal access monitoring device, and pass through the dedicated specialized network being isolated completely with internet and change
The monitoring system of power station master control room is contacted, and message is acted when protective relaying device does protection act and is passed through on dedicated network
Communication is ceased to monitoring system.And in order to ensure the safety of information, master control room monitoring system according to information significance level pair
Data carry out subregion, and safety zone boundary should take necessary safety prevention measure, forbid it is any pass through production control great Qu and
The general purpose web service on boundary between management information great Qu.The upload mode of above protection information is highly dependent on dedicated special
The action message of the monitoring system of industry network and transformer station's master control room, protective relaying device can only be carried out in master control room monitoring system
It checks, or the access of signal is carried out in the protection panels of protective device, and when specialized network breaks down, substation is on duty
Member will be unable to monitor the operating condition of protective relaying device, in addition, due to the limitation of data partition, operator on duty can not be detached from
Monitoring system of electric substation monitors the operating status of protective device.
Invention content
In view of the foregoing, it is necessary to provide a kind of relay protection action message remote transmitting system and teletransmission method effectively to solve
Certainly problem above, and utilize Internet of Things, the remote monitoring of cloud realization relay protection of power system action message.
In order to achieve the above objectives, the technical solution adopted in the present invention is：
A kind of relay protection action message remote transmitting system, including protective relaying device, color sensor, serial port distributor,
Printer, Transistor-Transistor Logic level signaling module, microcontroller, GPRS communication modules, internet cloud platform and terminal device；The relay is protected
The output port that protection unit prints message connects serial port distributor, and the serial port distributor is separately connected printer and TTL electricity again
Flat signaling module, printer printing operation message data when protective relaying device acts, the Transistor-Transistor Logic level signaling module
Connect microcontroller；The color sensor is arranged at the signal lamp of protective relaying device, refers to for acquiring the signal
Show that the color signal of lamp, the color sensor connect microcontroller；The microcontroller connects internet by GPRS communication modules
Cloud platform, the internet cloud platform reconnect terminal device.
Further, the serial port distributor is RS232 serial port distributors, has four tunnel RS232 interfaces, wherein all the way
RS232 interface connects the printer, and RS232 interface connects microcontroller by the Transistor-Transistor Logic level signaling module all the way.
Further, the ports TXD in the Transistor-Transistor Logic level signaling module connection RS232 interface.
Further, the printer is stylus printer.
Further, the microcontroller is Arduino UNO R3 microcontrollers.
Further, the color sensor is using TCS3200 type color sensors.
Further, the internet cloud platform is the OneNet cloud platforms of China Mobile.
Further, the terminal device is mobile phone.
Further, the present invention also provides a kind of relay protection action message teletransmission method, the teletransmission method is based on
Above-mentioned relay protection action message remote transmitting system comprising following steps：
Step (1), the sent out color signal of the protective relaying device signal lamp defined in the microcontroller represent
Event, wherein green represents normally, and yellow represents alarm, and red represents the protective relaying device action；
Step (2), the color signal of the color sensor acquisition signal lamp, and the color signal acquired is passed
Pass the microcontroller；Meanwhile the Transistor-Transistor Logic level signaling module acquires protective relaying device by serial port distributor and prints message
Output port level signal, and the level signal acquired is passed into microcontroller；
Step (3) after the microcontroller receives the color signal that step (2) is acquired, analyzes color signal institute's generation
The color of table, and drive the GPRS communication modules to run according to analysis result；When analysis result shows what step (2) was acquired
When color signal is yellow or is red, the MCU driving GPRS communication modules operation, the face that step (2) is acquired
Chrominance signal and the data information of level signal are uploaded to internet cloud platform by GPRS communication modules；
Step (4), the internet cloud platform is equipped with data-pushing threshold threshold values, when the internet cloud platform receives
When the data information that step (3) is transmitted reaches data-pushing threshold threshold values, the internet cloud platform push relay protection dress
In the action message to terminal device set.
Compared with prior art, the invention has the advantages that：
1, the relay protection action message remote transmitting system designed by the present invention, which aims at, utilizes singlechip technology and Internet of Things
Net cloud makes cheap, simple and effective transforming plant protecting action message teletransmission pusher, to be moved for relay protection
A practicable new road is explored in monitoring.Specifically, the remote transmitting system makes relay by the way that serial port distributor is arranged
The print signal sent out to printer when protective device does protection act is divided into multiple-channel output, so that printer printing operation
Message data, at the same can also by the action packet data transmission to microcontroller, after passed through in GPRS communication modules by microcontroller
It is transmitted to internet cloud platform, so that operator on duty checks and monitor the shape of protective relaying device by logging in internet cloud platform
State；Furthermore the data that microcontroller is uploaded to internet cloud platform further include the color letter of signal lamp on protective relaying device
Number situation, to show that situation knows that protective relaying device is in normal, alarm either acts by the color of signal lamp
State, wherein the color signal of the signal lamp is acquired by color sensor and passed to microcontroller, and microcontroller is uploaded to again
Internet cloud platform；In addition, the internet cloud platform of the present invention can also be connect with the terminal device of user, it will be on microcontroller
The data transmission of biography to terminal device so that user need not log in internet cloud platform also can by terminal device and
When know the state of protective relaying device, and then realize the remote monitoring of relay protection of power system action message.
2, the remote transmitting system designed by the present invention and teletransmission method both can be used for substation relay protection device special
Information collection under case of emergency can also realize remotely monitor protection act information, and the long-range system by terminal device
System does not need rewiring, only by that can make substation's value on GPRS communication modules Wireless transceiver to internet cloud platform
The display situation of signal lamp and the action message of printer when class's member's monitoring substation protective relaying device does protection act
Data information, at low cost, teletransmission method is simple in addition, easily realizes, therefore, application prospect is preferable.
Description of the drawings
Fig. 1 is a kind of system block diagram of relay protection action message remote transmitting system of the present invention.
Fig. 2 is the electrical wiring schematic diagram of Fig. 1.
Fig. 3 is a kind of flow chart of relay protection action message teletransmission method of the present invention.
Following specific implementation mode will be further illustrated the present invention in conjunction with above-mentioned attached drawing.
Specific implementation mode
It please refers to Fig.1 and Fig. 2, in a kind of better embodiment of the present invention, a kind of relay protection action message teletransmission
System, including protective relaying device, color sensor, serial port distributor, printer, Transistor-Transistor Logic level signaling module, microcontroller,
GPRS communication modules, internet cloud platform and terminal device.
Wherein, the output port of the protective relaying device printing message connects serial port distributor, the serial port distributor
It is separately connected printer and Transistor-Transistor Logic level signaling module, printer printing operation message when protective relaying device acts again
Data, the Transistor-Transistor Logic level signaling module connect microcontroller；The signal designation in protective relaying device is arranged in the color sensor
At lamp, the color signal for acquiring the signal lamp, the color sensor connects microcontroller；The microcontroller passes through
GPRS communication modules connect internet cloud platform, and the internet cloud platform reconnects terminal device.
What the present invention was sent out when making protective relaying device do protection act by the way that serial port distributor is arranged to printer beats
Official seal number is divided into multiple-channel output, so that printer printing operation message data, while can also be by the action message data
Be transferred to microcontroller, after by microcontroller internet cloud platform is uploaded to by GPRS communication modules, so that operator on duty is by stepping on
The state of protective relaying device is checked and monitored to record internet cloud platform；Furthermore microcontroller is uploaded to the number of internet cloud platform
According to the color signal situation for further including signal lamp on protective relaying device, to show situation by the color of signal lamp
Know that protective relaying device is in normal, alarm either action state, wherein the color signal of the signal lamp is by color
Sensor acquires and passes to microcontroller, and microcontroller is uploaded to internet cloud platform again；In addition, the internet cloud platform of the present invention
It can also be connect with the terminal device of user, the data transmission that microcontroller is uploaded is to terminal device, so that user is not
It needs login internet cloud platform also can know the state of protective relaying device in time by terminal device, and then realizes electricity
The remote monitoring of Force system relay protection action message.
Further, the serial port distributor is RS232 serial port distributors, has four tunnel RS232 interfaces, wherein all the way
RS232 interface connects the printer, and RS232 interface connects microcontroller by the Transistor-Transistor Logic level signaling module all the way.It is preferred that
Ground, the Transistor-Transistor Logic level signaling module connect the ports TXD in RS232 interface, to pass through output letter in the ports TXD in RS232 interface
The acquisition of number (voltage) make the acquisition of microcontroller selectivity to act message data, without the action report of acquisition whole
Literary data, the design of which is convenient for improving the response speed of microcontroller, this is because when protective relaying device will act message
When data are delivered to printer, the ports TXD of RS232 interface and the voltage of the ports DTR change, when microcontroller obtains simultaneously
When taking the voltage of the ports TXD and the ports DTR and processing, the response speed of microcontroller will can decrease.
In the present embodiment, the printer is stylus printer；The Transistor-Transistor Logic level signaling module can meet RS232
The voltage magnitude of mouth output is reduced to the 5V voltages of microcontroller license or less.The microcontroller is Arduino UNO R3 monolithics
Machine is coupled with single-chip simulation amount end with the specific port TXD, GND, VCC for being connected as RS232 interface of serial port distributor
Mouth A0, GND, VCC.The microcontroller is also connect with power module, and the power module uses 9V lithium batteries.
Further, color sensor of the invention is used to acquire the color signal of protective relaying device signal lamp,
And the color signal is passed into microcontroller, specifically, the LED probes of the color sensor are fixed on protective relaying device
Signal lamp before.In the present embodiment, the color sensor is using TCS3200 type color sensors, with
The specific connection type of microcontroller is：The port S0, S1, S2, S3, UT, VCC, GND of color sensor is coupled with microcontroller number
Word input/output end port 6,5,4,3,2,5V, GND.
Further, the internet cloud platform is the OneNet cloud platforms of China Mobile, and user passes through in internet cloud
Device id, access pin and data stream format are defined on platform, and microcontroller is matched with User Defined, you can make list
Piece machine connects internet cloud platform, in the present embodiment, the data stream format of internet cloud platform by GPRS communication modules
For JSON data interaction formats.
In the present invention, user can carry out data inspection by logging in internet cloud platform, can also pass through internet
Cloud platform setting information push mode, when internet cloud platform received data information reaches data-pushing threshold threshold values,
Internet cloud platform pushes in the action message to the terminal device of user of protective relaying device, so that user is not monitoring
Interior can also timely receive the state of protective relaying device, that is, realize the remote monitoring to transforming plant protecting action message.
In the present embodiment, the terminal device is mobile phone.
In summary, the relay protection action message remote transmitting system designed by the present invention can be to relay protection of power system
The remote monitoring of action message, so that substation person on duty is in the case where being detached from monitoring system of electric substation or professional net
Network can also monitor the operating status of protective relaying device in the case of breaking down.
Further, based on above-mentioned relay protection action message remote transmitting system, referring to Fig. 3, the present invention also provides
A kind of relay protection action message teletransmission method, the teletransmission method include the following steps：
Step (1), the sent out color signal of the protective relaying device signal lamp defined in the microcontroller represent
Event, wherein green represents normally, and yellow represents alarm, and red represents the protective relaying device action；
Step (2), the color signal of the color sensor acquisition signal lamp, and the color signal acquired is passed
Pass the microcontroller；Meanwhile the Transistor-Transistor Logic level signaling module acquires protective relaying device by serial port distributor and prints message
Output port level signal, and the level signal acquired is passed into microcontroller；
Step (3) after the microcontroller receives the color signal that step (2) is acquired, analyzes color signal institute's generation
The color of table, and drive the GPRS communication modules to run according to analysis result；When analysis result shows what step (2) was acquired
When color signal is yellow or is red, the MCU driving GPRS communication modules operation, the face that step (2) is acquired
Chrominance signal and the data information of level signal are uploaded to internet cloud platform by GPRS communication modules；
Step (4), the internet cloud platform is equipped with data-pushing threshold threshold values, when the internet cloud platform receives
When the data information that step (3) is transmitted reaches data-pushing threshold threshold values, the internet cloud platform push relay protection dress
In the action message to terminal device set.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the claims of the present invention.
Claims (9)
1. a kind of relay protection action message remote transmitting system, it is characterised in that：Including protective relaying device, color sensor, string
Mouth distributor, printer, Transistor-Transistor Logic level signaling module, microcontroller, GPRS communication modules, internet cloud platform and terminal device；Institute
The output port connection serial port distributor of protective relaying device printing message is stated, the serial port distributor is separately connected printer again
With Transistor-Transistor Logic level signaling module, printer printing operation message data when protective relaying device acts, the Transistor-Transistor Logic level
Signaling module connects microcontroller；The color sensor is arranged at the signal lamp of protective relaying device, for acquiring
The color signal of signal lamp is stated, the color sensor connects microcontroller；The microcontroller is connected by GPRS communication modules
Internet cloud platform is connect, the internet cloud platform reconnects terminal device.
2. relay protection action message remote transmitting system as described in claim 1, it is characterised in that：The serial port distributor is
RS232 serial port distributors have four tunnel RS232 interfaces, wherein RS232 interface connects the printer all the way, RS232 all the way
Interface connects microcontroller by the Transistor-Transistor Logic level signaling module.
3. relay protection action message remote transmitting system as claimed in claim 2, it is characterised in that：The Transistor-Transistor Logic level signal mode
Block connects the ports TXD in RS232 interface.
4. relay protection action message remote transmitting system as described in claim 1, it is characterised in that：The printer is beaten for pin type
Print machine.
5. relay protection action message remote transmitting system as described in claim 1, it is characterised in that：The microcontroller is
Arduino UNO R3 microcontrollers.
6. relay protection action message remote transmitting system as described in claim 1, it is characterised in that：The color sensor uses
Be TCS3200 type color sensors.
7. relay protection action message remote transmitting system as described in claim 1, it is characterised in that：The internet cloud platform is
The OneNet cloud platforms of China Mobile.
8. relay protection action message remote transmitting system as described in claim 1, it is characterised in that：The terminal device is hand
Machine.
9. a kind of relay protection action message teletransmission method, it is characterised in that：The teletransmission method is based on claim 1-8 such as and appoints
Relay protection action message remote transmitting system described in one comprising following steps：
Step (1), the event that the sent out color signal of the protective relaying device signal lamp defined in the microcontroller represents,
Wherein, green represents normal, and yellow represents alarm, and red represents the protective relaying device action；
Step (2), the color signal of the color sensor acquisition signal lamp, and the color signal acquired is passed to
The microcontroller；Meanwhile the Transistor-Transistor Logic level signaling module acquires protective relaying device by serial port distributor and prints the defeated of message
The level signal of exit port, and the level signal acquired is passed into microcontroller；
Step (3) is analyzed after the microcontroller receives the color signal that step (2) is acquired representated by the color signal
Color, and drive the GPRS communication modules to run according to analysis result；When analysis result shows the color that step (2) is acquired
When signal is yellow or is red, the MCU driving GPRS communication modules operation, the color that step (2) is acquired is believed
Number and the data information of level signal internet cloud platform is uploaded to by GPRS communication modules；
Step (4), the internet cloud platform is equipped with data-pushing threshold threshold values, when the internet cloud platform receives step
(3) when the data information transmitted reaches data-pushing threshold threshold values, the internet cloud platform push protective relaying device
In action message to terminal device.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109696246A (en) * | 2018-12-05 | 2019-04-30 | 中国美术学院 | Digitize color management system |
| CN110635445A (en) * | 2019-09-02 | 2019-12-31 | 苏州热工研究院有限公司 | Relay protection remote online monitoring and analyzing system and method |
| CN112543193A (en) * | 2020-12-02 | 2021-03-23 | 广东电网有限责任公司江门供电局 | Remote transmission method for synchronous acquisition of action message data of relay protection device |
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