CN106505737A - A kind of Intelligent power distribution terminal based on MANET radio communication - Google Patents
A kind of Intelligent power distribution terminal based on MANET radio communication Download PDFInfo
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- CN106505737A CN106505737A CN201611058957.7A CN201611058957A CN106505737A CN 106505737 A CN106505737 A CN 106505737A CN 201611058957 A CN201611058957 A CN 201611058957A CN 106505737 A CN106505737 A CN 106505737A
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- 238000012545 processing Methods 0.000 claims abstract description 48
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Classifications
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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
- H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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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
-
- 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
-
- 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
-
- 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
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of Intelligent power distribution terminal based on MANET radio communication, for being connected with external wireless router communication, external wireless router is coupled with distribution main station system by fiber optic Ethernet, including：Wireless communication module；Signal acquisition module；Data processing module, Secure Access Modules, Secure Access Modules include that certificate module and signature blocks, the signature blocks are coupled to data processing module and wireless communication module, and external wireless router memory contains main website private key.The Intelligent power distribution terminal based on MANET radio communication of the present invention, by the setting of signal acquisition module, data processing module and wireless communication module, the signal transmission that just can effectively gather electrical network is interior to distribution main station system, and pass through the setting of Secure Access Modules, just effective encryption effect can be carried out to the signal being wirelessly transferred effectively, effectively improve the safety of the message of application layer.
Description
Technical field
The present invention relates to Power System and its Automation field, more particularly to a kind of based on MANET channel radio
The Intelligent power distribution terminal of letter.
Background technology
Distribution power automation terminal, is to build a distribution network automated important component part, and it makes full use of distribution certainly
Dynamicization new technique, it can be ensured that safe and stable, the reliability service of power distribution network, significant, power distribution network region be directly facing user, load
Bear the vital task of electric energy distribution.Power distribution network is widely distributed, composition is complicated, impact is wide, its power supply capacity, power supply reliability
Huge on economic society impact with power supply quality, it is the important step of intelligent grid.
Power distribution communication net is the important component part of electrical power distribution automatization system, the monitoring of power distribution network Running State, control
Communication network is dependent on troubleshooting to realize, a reasonable selection is undoubtedly using Ethernet passive optical network technology,
But due to due to urban construction and power circuit are planned, there is the factors such as optical cable construction difficulty, deployment cost height, therefore examine
Considering and power distribution automation data acquisition being realized using radio communication system, current mainstream scheme is communicated using wireless public network, is matched somebody with somebody
Electric network data is carried out data transmission using GPRS/CDMA, 3G/4G, but as, the characteristics of the public network public applies, public network is
Users to share, service bandwidth and safety unsecured, therefore, data transmission applications are applied to a small amount of or paroxysmal data and pass
Defeated.Initial investment is little, instant effect, but the property that rents because of which, there is safety, controllability, long-term passes through compared with private network communication
The problems such as Ji property, be not suitable for the extensive private network demand of power automation.
On the other hand as the complexity of communication condition increases, communication security especially ask in distribution applications by the safety of remote control
Topic is also more projected.Distribution power automation terminal is in outdoor environment, and terminal unit is particularly important safely, therefore, to communication access
Security control has very strong necessity and urgency with the application layer message encryption in distribution communication.
Content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of intelligence based on MANET radio communication
Energy distribution terminal design, using MANET wireless communication technology and multihop network structure, realizes distribution terminal output signal
Encryption more preferably safer.
For achieving the above object, the invention provides following technical scheme：A kind of intelligence based on MANET radio communication
Distribution terminal, for being connected with external wireless router communication, external wireless router is by fiber optic Ethernet and distribution main website
System is coupled, including：
Wireless communication module, for external wireless router radio communication, data are reported and are received；
Signal acquisition module, is connected with external electrical network, for gathering external electrical network signal；
Data processing module, is coupled to signal acquisition module and wireless communication module, the letter that signal acquisition module is collected
After number being processed, wireless communication module is input to, by wireless communication module by the signal transmission that handles well to external wireless
Router；
Secure Access Modules, are coupled to data processing module, and the signal in order to export data processing module is defeated after being encrypted
Enter in wireless communication module；Wherein, Secure Access Modules include certificate module and signature blocks, the certificate module with wireless
Communication module is coupled, and in order to give wireless communication module additional digital certificate, and digital certificate is stored, the signature blocks
Internal memory contains main website public key, and the signature blocks are coupled to data processing module and wireless communication module, by data processing mould
The signal of block output is input to wireless communication module after main website public key signal encryption, and external wireless router memory contains master
Stand private key, the main website private key when wireless communication module transfers signals to external wireless router, in external wireless router
Signal is decrypted, wherein, signal can only be decrypted to signal using main website private key after main website public key encryption.
As a further improvement on the present invention, the wireless communication module be RF transceivers, external wireless router adopt
RF wireless routers, model CC1200 of the RF transceivers.
As a further improvement on the present invention, the signal acquisition module is secondary singal harvester, itself and external electrical network
Coupling, for gathering secondary voltage, electric current, frequency, active, idle and power factor, on-off model.
As a further improvement on the present invention, the data processing module is included at the arm processor being connected with each other and DSP
Reason device, the arm processor is connected with wireless communication module and Secure Access Modules, the dsp processor and signals collecting mould
Block connects, and wherein, signal acquisition module gathers signal input to dsp processor, inputs a signal into after dsp processor pretreatment
Arm processor, arm processor are communicated with Secure Access Modules, using main website public key to being input to radio communication after signal encryption
In module.
As a further improvement on the present invention, model AM3352 of the arm processor, the letter of the dsp processor
Number it is BF533, the arm processor and dsp processor are respectively provided with UART pins, and the arm processor and dsp processor pass through
UART pins are connected with each other.
As a further improvement on the present invention, the arm processor also has GPIO pin and RMII pins, the GPIO
Pin is coupled with LED display, and the RMII pins are coupled to external ethernet, and the arm processor also has SPI pins,
The wireless communication module is coupled with SPI pins.
As a further improvement on the present invention, the method for being communicated using above-mentioned terminal is as follows：
Step one, using signal acquisition module gather the secondary voltage of external electrical network, electric current, frequency, active, idle, power because
Number, on-off model, and the above-mentioned signal for collecting is packaged into packet output；
Step 2, packet is input in data processing module, and data processing module is communicated with Secure Access Modules, calls peace
Digital certificate and main website public key inside full AM access module, the data that will enter into by main website public key in data processing module are entered
Row encryption, and by encryption after signal output；
Step 3, by encryption after signal input in wireless communication module, wireless communication module according to wireless communication protocol will
Signal after encryption is converted into wireless signal and sends；
Step 4, receives the wireless signal that wireless communication module sends out with wireless router, using the main website private key in which
The packet that encrypts in wireless signal is decrypted, is transferred to after decryption in distribution main station system.
As a further improvement on the present invention, as follows the step of signal acquisition module collection signal in the step one：
1st, secondary singal harvester is connected with the signal output part of electric grid secondary equipment；
2nd, using output voltage data and the frequency data of the voltage detection module detection secondary device in secondary singal harvester,
The current data that secondary device is surveyed using the current detecting part go-on-go in secondary singal harvester, by the voltage and current for collecting
Active power data and reactive power data are calculated by horse-power formula, using active power data for calculating and idle
Power data calculates power factor (PF)；
3rd, voltage data, frequency data, current data, active power data, reactive power data and power will be obtained in step 2
Factor data is integrated into a packet and is input in data processing module, completes the collection of data.
As a further improvement on the present invention, switch acquisition and output step are also included, the step is by secondary singal
Harvester is connected with the panel in the chopper of electrical network, is received the switch closing and switch opening signal of chopper output, is completed switching value
The collection of signal, and data processing module output switch amount signal is in secondary singal harvester, secondary singal harvester is passed
In the defeated chopper to electrical network, the output of on-off model is completed.
Beneficial effects of the present invention, by the setting of signal acquisition module, it is possible to effectively by electric grid secondary equipment
Effectively collection comes signal data, then just effectively signal acquisition module can be adopted by the setting of data processing module
The signal data that collection comes carries out effectively process, and passes through the setting of wireless communication module, it is possible to effectively by data
The data that processing module is handled well are transferred on wireless router by way of radio communication, and due to existing wireless network
For common network, thus by the setting of Secure Access Modules, it is possible to be effectively transferred to radio communication to data processing module
Signal in module is encrypted effect, and Secure Access Modules are arranged to certificate module and signature blocks, it is possible to effectively
Realization signal is encrypted using main website public key, and by way of main website public key encryption and the decryption of main website private key, this
Sample can just realize that the information that terminal sends is merely able to allow distribution main station system to check, terminal itself and other PERCOM peripheral communication set
The standby effect that cannot be seen, greatly improves the safety of message, while by the setting of certificate module, it is possible to have
Imitated carries out authentication to wireless communication module, thus can effectively know which radio communication signal data is by
Module is sended over, and so just can effectively know the source situation of data, when data go wrong, can be with
Accurately and effectively carry out checking, thus MANET wireless communication technology is applied to Intelligent power distribution terminal design by the present invention, is given
A kind of reliability of electrical power distribution automatization system proposition and easily wireless telecommunications solution, rely on wireless network Core Solution,
Improve the vigorousness of wireless network and communicate reliability, be beneficial to system maintenance and autgmentability, so that distribution network service more may be used
By flexible, more intelligent；2nd, the mode of certificate is adopted to be authenticated identity to wireless device to realize equipment Access Control, using number
Word signature technology carries out application layer data encryption to power distribution communication agreement, strengthens the safety of distribution communication, prevents data
Distort；3rd, MANET applications of wireless technology in the Intelligent power distribution terminal system of power industry be wireless technology another innovation should
With while also making distribution terminal develop towards intelligent, modernization, efficient direction.Solve restriction electrical power distribution automatization system
The bottleneck of development, beneficial to power distribution automation spread.
Description of the drawings
Fig. 1 is distribution terminal self-organized network communication network frame schematic diagram of the present invention；
Fig. 2 is the hardware frame schematic diagram of the present invention；
Fig. 3 is Secure Access Modules digital signature deployment schematic diagram of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the embodiment given by accompanying drawing.
Referring to figs. 1 to shown in 3, a kind of Intelligent power distribution terminal based on MANET radio communication of the present embodiment, for
External wireless router communication connects, and external wireless router is coupled with distribution main station system by fiber optic Ethernet, including：
Wireless communication module 1, for external wireless router radio communication, data are reported and are received；
Signal acquisition module 2, is connected with external electrical network, for gathering external electrical network signal；
Data processing module 3, is coupled to signal acquisition module 2 and wireless communication module 1, signal acquisition module 2 is collected
Signal processed after, be input to wireless communication module 1, by wireless communication module 1 by the signal transmission that handles well to outer
Portion's wireless router；
Secure Access Modules 4, are coupled to data processing module 3, after the signal that data processing module 3 is exported to be encrypted
It is input in wireless communication module 1；Wherein, Secure Access Modules 4 include certificate module 41 and signature blocks 42, the certificate mould
Block 41 is coupled with wireless communication module 1, in order to give wireless communication module 1 additional digital certificate, and digital certificate is stored,
42 internal memory of the signature blocks contains main website public key, and the signature blocks 42 are coupled to data processing module 3 and radio communication mold
Block 1, the signal that data processing module 3 is exported are input to wireless communication module 1 after main website public key signal encryption, outside
Wireless router internal memory contains main website private key, when wireless communication module 1 transfers signals to external wireless router, outside nothing
Main website private key in line router is decrypted to signal, and wherein, signal can only use main website private key after main website public key encryption
Signal is decrypted, when needing to transfer signals to distribution main station system, signal acquisition module 2 gathers electrical network first
Secondary singal, gather secondary singal in secondary voltage, electric current, frequency, active, idle and power factor, on-off model
Collection and output, afterwards by the signal input for collecting in data processing module 3, data processing module 3 will be to collecting
Signal processed, during process, data processing module 3 will utilize Secure Access Modules 4 in certificate module
41 certificate informations for checking the wireless communication module 1 for sending, are passing through the main website public key in signature blocks 42, afterwards by public affairs
Key AES is encrypted to data, is transferred in wireless communication module 1 after encryption is completed, and wireless communication module 1 is just
The data for passing through encryption can be carried out wireless-modulated, be sent in wireless router using wireless signal, wireless router will
By reception of wireless signals and demodulate, obtain the data that encrypts, then data are decrypted using main website private key algorithm, have been decrypted
Into just can effectively obtain signal later, the transmission of terminal signaling is so completed, during transmitting before, be
It is encrypted by public key algorithm, thus is merely able to decrypt by the main website private key in wireless router, is so protected
Demonstrate,prove signal to be merely able to be received by wireless router identification, middle by the way of common radio communication compared to existing technology, peace
Quan Xing, controllability, long term economical are higher, are more applied to electrical power distribution automatization system.
Used as a kind of improved specific embodiment, the wireless communication module 1 is RF transceivers, external wireless router
Using RF wireless routers, model CC1200 of the RF transceivers, by wireless communication module 1 is used RF transceivers,
Just radio communication can be carried out using RF agreement effectively, and the RF transceivers of model CC1200, it is smart transceiver, its
Interior with certain data-handling capacity, with here can be can effectively realize the effect for carrying out radio communication by RF agreement
Fruit.
Used as a kind of improved specific embodiment, the signal acquisition module 2 is secondary singal harvester, itself and outside
Electrical network is coupled, for gathering secondary voltage, electric current, frequency, active, idle and power factor, on-off model, in the present embodiment
Signal picker can select model MT-EXX series, just effectively can be gathered using above-mentioned signal picker secondary
Voltage, electric current, frequency, active, idle, power factor, on-off model, and above-mentioned signal represents secondary in electrical network setting substantially
All parameters during received shipment row, thus by gathering above-mentioned signal, and above-mentioned signal is processed, just can be quickly effective
Realization detection operation of power networks state effect.
Used as a kind of improved specific embodiment, the data processing module 3 includes the arm processor 31 being connected with each other
With dsp processor 32, the arm processor 31 is connected with wireless communication module 1 and Secure Access Modules 4, the dsp processor
32 are connected with signal acquisition module 2, and wherein, signal acquisition module 2 gathers signal input to dsp processor 32, dsp processor 32
Arm processor 31 is input a signal into after pretreatment, and arm processor 31 is communicated with Secure Access Modules 4, using main website public key pair
It is input to after signal encryption in wireless communication module 1, is divided into arm processor 31 and dsp processor using by data processing module 3
32, after come 2 gathered data of signal acquisition module, arrange just first to come collection by dsp processor 32
Data carry out the effect of a pretreatment, are entered back in arm processor 31, by arm processor after pretreatment is completed
The data that pretreatment is completed temporarily are stored by 31, are then communicated with Secure Access Modules 4, are called out in Secure Access Modules 4
Certificate data and main website public key, then certificate of utility data and main website public key algorithm are to pretreated through dsp processor 32
Data are encrypted, and so just can effectively complete the process of data, existing by number due to now employing dsp processor 32
According to digitized processing has been carried out, the interference signal produced in transmitting procedure can be effectively removed so that arm processor 31 can
Preferably effect is encrypted to the data after processing, compare using single processor while processing the side of digitized and encryption
Formula, in hgher efficiency.
As a kind of improved specific embodiment, model AM3352 of the arm processor 31, the DSP process
The signal of device 32 is BF533, and the arm processor 31 and dsp processor 32 are respectively provided with UART pins, the arm processor 31
It is connected with each other by UART pins with dsp processor 32, the characteristics of UART pins have signaling rate fast, with here may be used
Effectively to lift the signaling rate between dsp processor 32 and arm processor 31 so that the work between two processors
Make fitness higher, in hgher efficiency.
Used as a kind of improved specific embodiment, the arm processor 31 also has GPIO pin and RMII pins, institute
State GPIO pin and be coupled with LED display, the RMII pins are coupled to external ethernet, the arm processor also has SPI
Pin, the wireless communication module 1 are coupled with SPI pins, and GPIO pin is input and output pin, and using here can be with realization
Arm processor 31 controls LED display display information to LED display output signal, and SPI pin serial communication pins are used
Serial communication can be realized here with wireless communication module 1 effectively so that the data after encryption can be faster more efficient
Be transferred to wireless communication module 1.
Used as a kind of improved specific embodiment, the method communicated using above-mentioned terminal is as follows：
Step one, using the secondary voltage of the collection external electrical network of signal acquisition module 2, electric current, frequency, active, idle and power
Factor, on-off model, and the above-mentioned signal for collecting is packaged into packet output；
Step 2, packet is input in data processing module 3, and data processing module 3 is communicated with Secure Access Modules 4, is adjusted
With the digital certificate inside Secure Access Modules 4 and main website public key, will enter in data processing module 3 by main website public key
Data are encrypted, and by encryption after signal output；
Step 3, by encryption after signal input in wireless communication module 1, wireless communication module 1 is according to wireless communication protocol
Signal after by encryption is converted into wireless signal and sends；
Step 4, receives the wireless signal that wireless communication module 1 sends out with wireless router, using the main website private key in which
The packet that encrypts in wireless signal is decrypted, is transferred to after decryption in distribution main station system, setting by step one
Put just can effective complete pair signals collection, the signal to collecting just can effectively be completed by the setting of step 2
Be digitized process and encryption, by step 3 setting just can by encryption after file wirelessly pass
Output is gone, by the setting of step 4, it is possible to be effectively decrypted using the file of main website private key pair encryption, and its other party
Formula can not be decrypted to the file that encrypts, thus greatly improve safety, it is ensured that file is merely able to allow distribution
The effect that main station system is received.
As a kind of improved specific embodiment, in the step one the step of the collection of signal acquisition module 2 signal such as
Under：
1st, secondary singal harvester is connected with the signal output part of electric grid secondary equipment；
2nd, using output voltage data and the frequency data of the voltage detection module detection secondary device in secondary singal harvester,
The current data that secondary device is surveyed using the current detecting part go-on-go in secondary singal harvester, by the voltage and current for collecting
Active power data and reactive power data are calculated by horse-power formula, using active power data for calculating and idle
Power data calculates power factor (PF)；
3rd, voltage data, frequency data, current data, active power data, reactive power data and power will be obtained in step 2
Factor data is integrated into a packet and is input in data processing module 3, completes the collection of data, by the setting of step 1
Just effectively signal acquisition module 2 can be coupled together with external electrical network secondary device, just can be with letter by the setting of step 2
Single signal for effectively obtaining secondary device, by the setting of step 3, it is possible to carry out the signal of the secondary device of acquisition whole
One packet of synthesis, is then sent in the form of packet, so just can effectively complete the collection of data.
As a kind of improved specific embodiment, also include switch acquisition and output step, the step is will be secondary
Signal picker is connected with the panel in the chopper of electrical network, is received the switch closing and switch opening signal of chopper output, is completed out
The collection of signal is measured in pass, and 3 output switch amount signal of data processing module is in secondary singal harvester, and secondary singal is gathered
Device is transferred in the chopper of electrical network, completes the output of on-off model, and on-off model is the control of electrical network internal breaker
The sub-gate signal that sends of system and switching signal, thus by by the panel phase of secondary singal harvester and the chopper of electrical network
Even, it becomes possible to realize the effect of collection on-off model well.
In sum, the Intelligent power distribution terminal based on MANET radio communication of the invention, using signal acquisition module 1
Electric grid secondary equipment can be effectively collected signal just is set, by the setting of data processing module 3, it is possible to effectively
Realize the effect for processing and encrypting being digitized to the signal that signal acquisition module 2 is collected, so achieve and employ
Public key is encrypted to signal, and safety, controllability, long term economical are higher, is more applied to electrical power distribution automatization system, because
MANET radio communication is applied to power distribution communication net by the Intelligent power distribution terminal based on MANET radio communication of this present invention
Network, using wireless communication technology and multihop network structure, realizes distribution terminal automatic network-building, network failure spontaneous recovery, plug and play
Function, for power distribution automation communication network install, management, safeguard a kind of effective solution is provided；While wireless self-networking
It is the another innovation and application of Wireless Ad Hoc Networks that technology is applied in the Intelligent power distribution terminal system of power industry, while also making
Distribution terminal develops towards intelligent, modernization, efficient direction.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of Intelligent power distribution terminal based on MANET radio communication, for being connected with external wireless router communication, outside
Wireless router is coupled with distribution main station system by fiber optic Ethernet, it is characterised in that：Including：
Wireless communication module（1）, for external wireless router radio communication, data are reported and are received；
Signal acquisition module（2）, it is connected with external electrical network, for gathering external electrical network signal；
Data processing module（3）, it is coupled to signal acquisition module（2）And wireless communication module（1）, by signal acquisition module
（2）After the signal for collecting is processed, wireless communication module is input to（1）, by wireless communication module（1）By handled well
Signal transmission is to external wireless router；
Secure Access Modules（4）, it is coupled to data processing module（3）, in order to by data processing module（3）The signal of output is carried out
Wireless communication module is input to after encryption（1）Interior；Wherein, Secure Access Modules（4）Including certificate module（41）And signature blocks
（42）, the certificate module（41）With wireless communication module（1）Coupling, in order to give wireless communication module（1）Additional digital certificate,
And digital certificate is stored, the signature blocks（42）Internal memory contains main website public key, the signature blocks（42）It is coupled to
Data processing module（3）And wireless communication module（1）, by data processing module（3）The signal of output is believed by main website public key
Number encryption after be input to wireless communication module（1）, external wireless router memory contains main website private key, works as wireless communication module
（1）When transferring signals to external wireless router, the main website private key in external wireless router is decrypted to signal, its
In, signal can only be decrypted to signal using main website private key after main website public key encryption.
2. the Intelligent power distribution terminal based on MANET radio communication according to claim 1, it is characterised in that：Described wireless
Communication module（1）For RF transceivers, external wireless router is using RF wireless routers, the model of the RF transceivers
CC1200.
3. the Intelligent power distribution terminal based on MANET radio communication according to claim 1 and 2, it is characterised in that：Described
Signal acquisition module（2）For secondary singal harvester, itself and external electrical network coupling, for gather secondary voltage, electric current, frequency,
Active, idle, power factor, on-off model.
4. the Intelligent power distribution terminal based on MANET radio communication according to claim 1 and 2, it is characterised in that：Described
Data processing module（3）Including the arm processor being connected with each other（31）And dsp processor（32）, the arm processor（31）With
Wireless communication module（1）And Secure Access Modules（4）Connection, the dsp processor（32）With signal acquisition module（2）Connection,
Wherein, signal acquisition module（2）Collection signal input is to dsp processor（32）, dsp processor（32）Signal is defeated after pretreatment
Enter to arm processor（31）, arm processor（31）With Secure Access Modules（4）Communication, using main website public key to signal encryption after
It is input to wireless communication module（1）Interior.
5. the Intelligent power distribution terminal based on MANET radio communication according to claim 4, it is characterised in that：The ARM
Processor（31）Model AM3352, the dsp processor（32）Signal be BF533, the arm processor（31）With
Dsp processor（32）It is respectively provided with UART pins, the arm processor（31）And dsp processor（32）Mutual by UART pins
Connection.
6. the Intelligent power distribution terminal based on MANET radio communication according to claim 4, it is characterised in that：The ARM
Processor（31）Also there is GPIO pin and RMII pins, the GPIO pin to be coupled with LED display, the RMII pins coupling
External ethernet is connected to, the arm processor also has SPI pins, the wireless communication module（1）Couple with SPI pins.
7. the Intelligent power distribution terminal based on MANET radio communication according to claim 3, it is characterised in that：Using above-mentioned
The method communicated by terminal is as follows：
Step one, using signal acquisition module（2）The secondary voltage of collection external electrical network, electric current, frequency, active, idle and work(
Rate factor, on-off model, and the above-mentioned signal for collecting is packaged into packet output；
Packet is input to data processing module by step 2（3）Interior, data processing module（3）With Secure Access Modules（4）Logical
Letter, calls Secure Access Modules（4）Internal digital certificate and main website public key, will enter into data processing mould by main website public key
Block（3）Interior data are encrypted, and by encryption after signal output；
Step 3, by encryption after signal input to wireless communication module（1）Interior, wireless communication module（1）According to radio communication
Agreement by encryption after signal be converted into wireless signal and send；
Step 4, receives wireless communication module with wireless router（1）The wireless signal for sending out, private using the main website in which
Key is decrypted to the packet that encrypts in wireless signal, is transferred in distribution main station system after decryption.
8. the Intelligent power distribution terminal based on MANET radio communication according to claim 7, it is characterised in that：The step
Signal acquisition module in one（2）The step of collection signal, is as follows：
1st, secondary singal harvester is connected with the signal output part of electric grid secondary equipment；
2nd, using output voltage data and the frequency data of the voltage detection module detection secondary device in secondary singal harvester,
The current data that secondary device is surveyed using the current detecting part go-on-go in secondary singal harvester, by the voltage and current for collecting
Active power data and reactive power data are calculated by horse-power formula, using active power data for calculating and idle
Power data calculates power factor (PF)；
3rd, voltage data, frequency data, current data, active power data, reactive power data and power will be obtained in step 2
Factor data is integrated into a packet and is input to data processing module（3）Interior, complete the collection of data.
9. the Intelligent power distribution terminal based on MANET radio communication according to claim 8, it is characterised in that：Also include out
Pass amount collection and output step, the step is that the panel in the chopper by secondary singal harvester with electrical network is connected, and receives
The switch closing and switch opening signal of chopper output, completes the collection of on-off model, and data processing module（3）Output switch amount
To in secondary singal harvester, secondary singal harvester is transferred in the chopper of electrical network signal, completes the defeated of on-off model
Go out.
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| CN201611058957.7A CN106505737A (en) | 2016-11-27 | 2016-11-27 | A kind of Intelligent power distribution terminal based on MANET radio communication |
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| CN201611058957.7A CN106505737A (en) | 2016-11-27 | 2016-11-27 | A kind of Intelligent power distribution terminal based on MANET radio communication |
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