CN108768459A - A kind of pressure broadband power carrier networking system suitable for power distribution automation - Google Patents
A kind of pressure broadband power carrier networking system suitable for power distribution automation Download PDFInfo
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- CN108768459A CN108768459A CN201810483684.3A CN201810483684A CN108768459A CN 108768459 A CN108768459 A CN 108768459A CN 201810483684 A CN201810483684 A CN 201810483684A CN 108768459 A CN108768459 A CN 108768459A
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- main control
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- control module
- bandwidth carrier
- power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Pressure broadband power carrier networking system that the invention discloses a kind of suitable for power distribution automation, including main control module, substation, control centre and middle pressure bandwidth carrier net group, the main control module is connected to telephone wire by telephony interface, the main control module is connected to computer by RS232 interface, is connected by optical fiber between the main control module and middle pressure bandwidth carrier net group；Medium pressure bandwidth carrier net group is connected to power line by middle pressure bandwidth carrier modem and is connected, medium pressure bandwidth carrier net group includes that the bandwidth carrier effective solution problem that optical-fiber network overlay area is narrow, network signal is unstable is pressed in power carrier transceiver module, middle pressure bandwidth carrier modem and middle pressure bandwidth carrier coupler, bandwidth carrier modem is pressed to carry out data exchange with main control module in a manner of asynchronous serial communication in LM1893, to ensure the real-time and accuracy of data exchange.
Description
Technical field
The present invention relates to technical field of electric power, specially a kind of pressure broadband power carrier wave set suitable for power distribution automation
Net system.
Background technology
With the development of national economy and the raising of living standards of the people, demand of the people to electric power is growing, to supplying
More stringent requirements are proposed for the reliability and power supply quality of electricity, and it is that electric system improves power supply to carry out automatic improving to power distribution network
One of reliability and the most directly effective technological means of quality.Power distribution automation main purpose includes：Under normal operating conditions
By monitoring distribution operating condition, optimize network running mode；When distribution is broken down or when misoperation, finds failure rapidly
Section and abnormal conditions, quickly isolate fault section, restore the power supply of non-faulting zone user in time, shorten the power failure to user
Time reduces power failure area；Control voltage level and load or burden without work according to distribution voltage reasonable, improve power supply quality, reach through
Ji operation purpose；Rationally control power load, to improve utilization rate of equipment and installations；Automatic data logging charging, ensure meter reading charging and
When and accurate, the power information service etc. for improving the economic benefit and working efficiency of enterprise, and automation being provided to the user.
It realizes distribution network automated, needs accurately to pass the control command of control centre by effective communication system
It is sent to plurality of terminal unit, while will reflect that the data information of remote device operation conditions is collected into control centre, is led to
Letter system Construction is a key link, and the rationalization selection of communication system largely determines distribution automation system
The quality of energy.In power distribution network intelligent construction, Primary communication means have fiber optic communication, wireless communication and power line carrier logical
Letter.Wherein, the unquestionable communication quality of fiber optic communication is best, in the place that can use fiber optic communication, is bound to select
Fiber optic communication, especially backbone network.But for occasions such as old town transformations, all broken road laying optical fiber is unrealistic, and
Set up high cost；Wireless communication is other than base station to be built, the high buildings and large mansions in city, the factors such as signal interference and weather reason
The covering of wireless signal will be largely effected on, at this moment so we just need power line carrier to solve these problems.For this purpose, Shen
It please be number for pressure broadband power carrier networking system and networking suitable for power distribution automation disclosed in CN201410251307.9
Method, middle pressure J-carrier system networking mode is flexible, can be transmitted with distribution network automated middle other systems network readezvous point, is seamless
Docking provides a kind of effective communication modes for realization is distribution network automated.
But still there is said program certain defect, middle pressure bandwidth carrier modem and main control module to carry out
The reliability of data exchange safety poor performance, system communication is low, has certain limitation.
Invention content
Pressure broadband power carrier networking system that the purpose of the present invention is to provide a kind of suitable for power distribution automation, with
Solve the problems mentioned above in the background art.
To achieve the above object, the present invention provides the following technical solutions：A kind of pressure broadband suitable for power distribution automation
Power carrier group network system, including main control module, substation, control centre and middle pressure bandwidth carrier net group, the main control
Module is connected to substation by communication module, and the control centre is connected to substation, the master control molding by interchanger
Block is connected to telephone wire by telephony interface, and the main control module is connected to computer, the main control by RS232 interface
It is connected by optical fiber between module and middle pressure bandwidth carrier net group；Medium pressure bandwidth carrier net group passes through middle pressure bandwidth carrier tune
Modulator-demodulator is connected to power line and is connected, and medium pressure bandwidth carrier modem uses LM1893, main control module to provide
The reset signal of piece choosing, pulse and chip, in LM1893 pressure bandwidth carrier modem in a manner of asynchronous serial communication with
Main control module carries out data exchange, to ensure the real-time and accuracy of data exchange；
Medium pressure bandwidth carrier net group includes power carrier transceiver module, middle pressure bandwidth carrier modem and middle pressure broadband
Carrier wave coupler；
The power carrier transceiver module is connected with radio frequency control module, analog quantity module for reading and writing and switching value module for reading and writing；
Medium pressure bandwidth carrier modem is connected to distribution main website, and the distribution main website includes that several match electronic station,
Described with electronic station includes controller switching equipment component；
Medium pressure bandwidth carrier coupler is connected to medium voltage power line, the distribution main website and with passing through middle pressure between electronic station
Power line connects.
As advanced optimizing for the technical program, a kind of pressure broadband power suitable for power distribution automation of the present invention carries
Wave group network system, power carrier share same using semiduplex communication modes, medium pressure bandwidth carrier modem
One transmission medium realizes main control module multimachine electric line carrier communication, and the main control chip of the main control module is using current
Widely applied 51 series monolithic, host realize wide-area control by telephony interface, are joined by RS232 interface and computer
It connects, system is configured and is controlled using computer.
As advanced optimizing for the technical program, a kind of pressure broadband power suitable for power distribution automation of the present invention carries
Wave group network system, the communication module are GPRS communication module, and the main control module is connected to change by GPRS communication module
Power station further includes master server and firewall module in the main control module, improves communication security performance, it is logical to enhance system
The reliability of letter.
As advanced optimizing for the technical program, a kind of pressure broadband power suitable for power distribution automation of the present invention carries
Wave group network system, the communication module are SMS communication modules, and the main control module is connected to power transformation by SMS communication modules
It stands, further includes master server and firewall module in the main control module, improve communication security performance, enhance system communication
Reliability.
As advanced optimizing for the technical program, a kind of pressure broadband power suitable for power distribution automation of the present invention carries
Wave group network system is realized power line carrier function using bandwidth carrier modem is pressed in LM1893, is pressed in LM1893 wide
The protocol service of data link layer and physical layer is provided with carrier modem, is responsible for digital signal modulated into spread spectrum carrier wave
Spread spectrum carrier signal is demodulated into digital signal by signal, and modulated spread spectrum carrier signal is uploaded in the 220V alternating current line of forces
It is defeated.
As advanced optimizing for the technical program, a kind of pressure broadband power suitable for power distribution automation of the present invention carries
Wave group network system, medium pressure bandwidth carrier net group further includes filter circuit, for inhibiting thunder and lightning, large capacity inductive load to draw
It is interfered caused by playing high-frequency signal.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of pressure suitable for power distribution automation of the present invention is wide
Band electric power carrier networking system, is improved on the basis of existing technology, and broadband power carrier networking system is pressed in, in
Pressure bandwidth carrier net group is connected to power line by middle pressure bandwidth carrier modem and is connected, and middle pressure bandwidth carrier effectively solves
It has determined the problem that optical-fiber network overlay area is narrow, network signal is unstable, the good communication performance of middle pressure broadband power carrier wave can be made
For the main means of supplementing out economy of fiber optic communication, main control module provides the reset signal of piece choosing, pulse and chip, is pressed in LM1893 wide
Data exchange is carried out with main control module in a manner of asynchronous serial communication with carrier modem, to ensure data exchange
Real-time and accuracy further include in main control module in addition, communication module is GPRS communication module or SMS communication modules
Master server and firewall module improve communication security performance, enhance the reliability of system communication, middle pressure bandwidth carrier net group
Further include filter circuit, interference caused by playing high-frequency signal for inhibit that thunder and lightning, large capacity inductive load draw improves system
The stability of communication has very high practicability, greatly improves a kind of pressure broadband power suitable for power distribution automation
Using for carrier networking system is functional, ensures its using effect and utilization benefit, is suitble to be widely popularized.
Description of the drawings
Fig. 1 is a kind of structural representation of the pressure broadband power carrier networking system suitable for power distribution automation of the present invention
Figure.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of pressure broadband power carrier wave set suitable for power distribution automation
Net system, including main control module, substation, control centre and middle pressure bandwidth carrier net group, the main control module pass through logical
News module is connected to substation, and the control centre is connected to substation by interchanger, and the main control module passes through phone
Interface is connected to telephone wire, and the main control module is connected to computer, the main control module and middle pressure by RS232 interface
It is connected by optical fiber between bandwidth carrier net group；Medium pressure bandwidth carrier net group is connected by middle pressure bandwidth carrier modem
Be connected to power line be connected, medium pressure bandwidth carrier modem use LM1893, main control module provide piece choosing, pulse and
The reset signal of chip, in LM1893 pressure bandwidth carrier modem in a manner of asynchronous serial communication with main control module into
Row data exchange, to ensure the real-time and accuracy of data exchange；
Medium pressure bandwidth carrier net group includes power carrier transceiver module, middle pressure bandwidth carrier modem and middle pressure broadband
Carrier wave coupler；
The power carrier transceiver module is connected with radio frequency control module, analog quantity module for reading and writing and switching value module for reading and writing；
Medium pressure bandwidth carrier modem is connected to distribution main website, and the distribution main website includes that several match electronic station,
Described with electronic station includes controller switching equipment component；
Medium pressure bandwidth carrier coupler is connected to medium voltage power line, the distribution main website and with passing through middle pressure between electronic station
Power line connects.
Specifically, power carrier, using semiduplex communication modes, medium pressure bandwidth carrier modem is total
With same transmission medium, realize that main control module multimachine electric line carrier communication, the main control chip of the main control module use
51 series monolithics being widely used at present, host realize wide-area control by telephony interface, pass through RS232 interface and computer
Connection, is configured and is controlled to system using computer.
Specifically, the communication module is GPRS communication module, the main control module is connected by GPRS communication module
Further include master server and firewall module to substation, in the main control module, improve communication security performance, enhances and be
The reliability of system communication.
Specifically, power line carrier function is realized using bandwidth carrier modem is pressed in LM1893, in LM1893
It presses bandwidth carrier modem to provide the protocol service of data link layer and physical layer, is responsible for digital signal modulated into spread spectrum
Spread spectrum carrier signal is demodulated into digital signal by carrier signal, and modulated spread spectrum carrier signal is in the 220V alternating current line of forces
Transmission.
Specifically, medium pressure bandwidth carrier net group further includes filter circuit, for inhibiting thunder and lightning, large capacity inductive load
The interference caused by playing high-frequency signal drawn.
Embodiment 2
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of pressure broadband power carrier wave set suitable for power distribution automation
Net system, including main control module, substation, control centre and middle pressure bandwidth carrier net group, the main control module pass through logical
News module is connected to substation, and the control centre is connected to substation by interchanger, and the main control module passes through phone
Interface is connected to telephone wire, and the main control module is connected to computer, the main control module and middle pressure by RS232 interface
It is connected by optical fiber between bandwidth carrier net group；Medium pressure bandwidth carrier net group is connected by middle pressure bandwidth carrier modem
Be connected to power line be connected, medium pressure bandwidth carrier modem use LM1893, main control module provide piece choosing, pulse and
The reset signal of chip, in LM1893 pressure bandwidth carrier modem in a manner of asynchronous serial communication with main control module into
Row data exchange, to ensure the real-time and accuracy of data exchange；
Medium pressure bandwidth carrier net group includes power carrier transceiver module, middle pressure bandwidth carrier modem and middle pressure broadband
Carrier wave coupler；
The power carrier transceiver module is connected with radio frequency control module, analog quantity module for reading and writing and switching value module for reading and writing；
Medium pressure bandwidth carrier modem is connected to distribution main website, and the distribution main website includes that several match electronic station,
Described with electronic station includes controller switching equipment component；
Medium pressure bandwidth carrier coupler is connected to medium voltage power line, the distribution main website and with passing through middle pressure between electronic station
Power line connects.
Specifically, power carrier, using semiduplex communication modes, medium pressure bandwidth carrier modem is total
With same transmission medium, realize that main control module multimachine electric line carrier communication, the main control chip of the main control module use
51 series monolithics being widely used at present, host realize wide-area control by telephony interface, pass through RS232 interface and computer
Connection, is configured and is controlled to system using computer.
Specifically, the communication module is SMS communication modules, the main control module is connected to by SMS communication modules
Substation further includes master server and firewall module in the main control module, improves communication security performance, enhance system
The reliability of communication.
Specifically, power line carrier function is realized using bandwidth carrier modem is pressed in LM1893, in LM1893
It presses bandwidth carrier modem to provide the protocol service of data link layer and physical layer, is responsible for digital signal modulated into spread spectrum
Spread spectrum carrier signal is demodulated into digital signal by carrier signal, and modulated spread spectrum carrier signal is in the 220V alternating current line of forces
Transmission.
Specifically, medium pressure bandwidth carrier net group further includes filter circuit, for inhibiting thunder and lightning, large capacity inductive load
The interference caused by playing high-frequency signal drawn.
Operation principle：A kind of pressure broadband power carrier networking system suitable for power distribution automation of the present invention, in use,
It is improved on the basis of existing technology, broadband power carrier networking system, middle pressure bandwidth carrier net group is pressed to pass through in
Middle pressure bandwidth carrier modem is connected to power line and is connected, middle pressure bandwidth carrier effective solution optical-fiber network overlay area
The good communication performance of problem narrow, network signal is unstable, middle pressure broadband power carrier wave can be used as the main benefit of fiber optic communication
Fill means, main control module provides the reset signal of piece choosing, pulse and chip, in LM1893 pressure bandwidth carrier modem with
The mode of asynchronous serial communication carries out data exchange with main control module, to ensure the real-time and accuracy of data exchange, this
Outside, communication module is GPRS communication module or SMS communication modules, further includes master server and fire wall mould in main control module
Block improves communication security performance, enhances the reliability of system communication, and middle pressure bandwidth carrier net group further includes filter circuit, uses
Interference caused by high-frequency signal improves the stability of system communication in inhibiting that thunder and lightning, large capacity inductive load draw.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of pressure broadband power carrier networking system suitable for power distribution automation, including main control module, substation, control
Center processed and middle pressure bandwidth carrier net group, it is characterised in that：The main control module is connected to substation by communication module, institute
It states control centre and substation is connected to by interchanger, the main control module is connected to telephone wire by telephony interface, described
Main control module is connected to computer by RS232 interface, passes through between the main control module and middle pressure bandwidth carrier net group
Optical fiber connects；Medium pressure bandwidth carrier net group is connected to power line by middle pressure bandwidth carrier modem and is connected, described
Middle pressure bandwidth carrier modem uses LM1893, main control module to provide the reset signal of piece choosing, pulse and chip,
Bandwidth carrier modem is pressed to carry out data exchange with main control module in a manner of asynchronous serial communication in LM1893, to protect
Demonstrate,prove the real-time and accuracy of data exchange；
Medium pressure bandwidth carrier net group includes power carrier transceiver module, middle pressure bandwidth carrier modem and middle pressure broadband
Carrier wave coupler；
The power carrier transceiver module is connected with radio frequency control module, analog quantity module for reading and writing and switching value module for reading and writing；
Medium pressure bandwidth carrier modem is connected to distribution main website, and the distribution main website includes that several match electronic station,
Described with electronic station includes controller switching equipment component；
Medium pressure bandwidth carrier coupler is connected to medium voltage power line, the distribution main website and with passing through middle pressure between electronic station
Power line connects.
2. a kind of pressure broadband power carrier networking system suitable for power distribution automation according to claim 1, special
Sign is：Power carrier shares same biography using semiduplex communication modes, medium pressure bandwidth carrier modem
Defeated medium realizes main control module multimachine electric line carrier communication, and the main control chip of the main control module is using extensive at present
51 series monolithics of application, host realize wide-area control by telephony interface, are coupled with computer by RS232 interface, made
System is configured and is controlled with computer.
3. a kind of pressure broadband power carrier networking system suitable for power distribution automation according to claim 1, special
Sign is：The communication module is GPRS communication module, and the main control module is connected to substation by GPRS communication module,
Further include master server and firewall module in the main control module, improves communication security performance, enhance system communication
Reliability.
4. a kind of pressure broadband power carrier networking system suitable for power distribution automation according to claim 1, special
Sign is：The communication module is SMS communication modules, and the main control module is connected to substation by SMS communication modules, institute
It further includes master server and firewall module to state in main control module, improves communication security performance, and enhance system communication can
By property.
5. a kind of pressure broadband power carrier networking system suitable for power distribution automation according to claim 1, special
Sign is：Power line carrier function is realized using bandwidth carrier modem is pressed in LM1893, presses broadband to carry in LM1893
Wave modem provides the protocol service of data link layer and physical layer, is responsible for digital signal modulated into spread spectrum carrier signal
Or spread spectrum carrier signal is demodulated into digital signal, modulated spread spectrum carrier signal uploads defeated in the 220V alternating current line of forces.
6. a kind of pressure broadband power carrier networking system suitable for power distribution automation according to claim 1, special
Sign is：Medium pressure bandwidth carrier net group further includes filter circuit, the height for inhibiting thunder and lightning, large capacity inductive load to draw
Interference caused by frequency signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810483684.3A CN108768459A (en) | 2018-05-19 | 2018-05-19 | A kind of pressure broadband power carrier networking system suitable for power distribution automation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810483684.3A CN108768459A (en) | 2018-05-19 | 2018-05-19 | A kind of pressure broadband power carrier networking system suitable for power distribution automation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108768459A true CN108768459A (en) | 2018-11-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810483684.3A Withdrawn CN108768459A (en) | 2018-05-19 | 2018-05-19 | A kind of pressure broadband power carrier networking system suitable for power distribution automation |
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| CN (1) | CN108768459A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934719A (en) * | 2020-08-10 | 2020-11-13 | 辽宁云电科技有限公司 | Broadband power carrier networking system suitable for smart power grids |
-
2018
- 2018-05-19 CN CN201810483684.3A patent/CN108768459A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934719A (en) * | 2020-08-10 | 2020-11-13 | 辽宁云电科技有限公司 | Broadband power carrier networking system suitable for smart power grids |
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Application publication date: 20181106 |