CN102185382A - System and method for data communication between power distribution master station system and power distribution terminal - Google Patents
System and method for data communication between power distribution master station system and power distribution terminal Download PDFInfo
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- CN102185382A CN102185382A CN2011101277234A CN201110127723A CN102185382A CN 102185382 A CN102185382 A CN 102185382A CN 2011101277234 A CN2011101277234 A CN 2011101277234A CN 201110127723 A CN201110127723 A CN 201110127723A CN 102185382 A CN102185382 A CN 102185382A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The invention discloses a system for data communication between a power distribution master station system and a power distribution terminal. The system comprises at least one wireless data collection terminal and an access point network (APN) transmission network, wherein the wireless data collection terminals are connected with the power distribution terminal one by on and used for collecting electric power information of grid primary equipment in the corresponding power distribution terminal, and transmitting the collected electric power information to a mobile communication network through a preset communication protocol, or transmitting command data received through the mobile communication network to the corresponding powder distribution terminal; and the APN transmission network is used for receiving the electric power information which is transmitted to the mobile communication network from each wireless data collection terminal according to the preset communication protocol and transmitting the electric powder information to the master station system or forwarding the command data transmitted by the master station system to the corresponding wireless data collection terminal through the mobile communication network. The invention also discloses a corresponding method for data communication between the distribution master station system and the distribution terminal. The system and method provided by the invention ensure the security and accuracy of data transmission and great reduction of communication cost.
Description
Technical field
The present invention relates to electric power system power distribution automation field, relate in particular to data communication system and method between a kind of distribution main station system and the distribution terminal.
Background technology
The basis that electrical power distribution automatization system is implemented is that the primary equipment to power distribution network monitors control operation, and that power distribution network itself has is widely distributed, number of devices is big, the characteristics of geographical position of living in communication condition complexity.The terminal data collecting work of electrical power distribution automatization system mainly realizes also having part to adopt the power line carrier, PLC mode to realize the collecting work of power distribution network primary equipment data by laying the power optical fiber private network at present.
The optical fiber communication of extensively adopting in the prior art, the characteristics that possess reliability height, safe, the high communication quality, yet, also there is the problem that investment is high, be difficult for expansion in this networking mode, especially widely distributed and transform frequent characteristics at power distribution network, make the private network communication cost up of power optical fiber.And for power line carrier, PLC, though its communications cost is low, because its communication quality is not high, fewer and feweri in actual applications.
More and more stricter in view of present electric power system to cost control, communication security and communication quality are required to come high situation more, seeks a kind of ensure communication safety and the prerequisite of communication quality under between reduction power distribution automation main station system and the distribution terminal data communication system of communications cost be trend of the times.
Summary of the invention
Technical problem to be solved by this invention is: the data communication system between a kind of distribution main station system and the distribution terminal is provided, this system can guarantee data security and accurately under the prerequisite, reduce the communications cost between power distribution automation main station system and the distribution terminal greatly, help in wide scope, realizing power distribution automation.
The further technical problem to be solved of the present invention is: the data communications method between a kind of distribution main station system and the distribution terminal is provided, this method can guarantee data security and accurately under the prerequisite, reduce the communications cost between power distribution automation main station system and the distribution terminal greatly, help in wide scope, realizing power distribution automation.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
Data communication system between a kind of distribution main station system and the distribution terminal, this system includes:
At least one wireless data acquisition terminal, link to each other one by one with distribution terminal, be used to gather the power information of electrical network primary equipment in the distribution terminal corresponding, the power information that collects sent in the mobile communications network or with its director data that receives by described mobile communications network by default communication protocol send to the distribution terminal corresponding with it with it;
Transmission network, after being used for receiving the power information that each wireless data acquisition terminal sends to described mobile communications network, described power information is sent to main station system or the director data that described main station system sends out is forwarded to corresponding wireless data acquisition terminal by described mobile communications network according to default communication protocol.
Wherein, described transmission network specifically includes GPRS routing node, electric power system routing node, be arranged on the APN special line between described GPRS routing node and the electric power system routing node and be arranged on APN special line fire compartment wall on the described APN special line, wherein:
Described GPRS routing node is arranged in the mobile communications network, establish a communications link by gre tunneling with the GGSN in the mobile communications network, be used for to the power information data of described electric power system routing node forwarding from wireless data acquisition terminal, or to the director data of described data acquisition device forwarding from described electric power system routing node;
Described electric power system routing node is arranged in power supply administration's electric power system data platform, and link to each other with described main station system, be used for to the director data of described GPRS routing node forwarding from main station system, or to the power information data of described main station system forwarding from described GPRS routing node;
Described APN special line is used to transmit the power information data that described GPRS routing node is transmitted to described electric power system routing node, perhaps transmits the director data that described electric power system routing node is transmitted to described GPRS routing node;
Described APN special line fire compartment wall is used for the data of transmitting on described APN special line are carried out security protection, IP address and ports filter.
Preferably, this system also includes a safety insulating device, be arranged between described main station system and the electric power system routing node, the director data that is used for described main station system is sent arrives described electric power system routing node or will arrive described main station system with text form unidirectional delivery from the power information data of described electric power system routing node with the binary form unidirectional delivery.
Preferably, be provided with an III district advance data server in described APN transmission network side, this III district advance data server is connected between described electric power system routing node and the described safety insulating device, be used for to its director data that receives from described safety insulating device resolve, framing and send to described electric power system routing node; Or to the power information data that it receives from described electric power system routing node resolve, framing and send to described safety insulating device;
Be provided with an I district advance data server in described main station system side, this I district advance data server links to each other with described safety insulating device, be used for to the director data that its described main station system that receives sends resolve, framing and send to described safety insulating device; Or to the power information data that it receives from described safety insulating device resolve, framing and send to described main station system.
Wherein, described safety insulating device specifically includes:
Positive physical isolation device is used for the director data from described I district advance data server is arrived described III district advance data server with the binary form unidirectional delivery;
Oppositely physical isolation apparatus is used for the power information data from described III district advance data server is arrived described I district advance data server with text form unidirectional delivery.
Correspondingly, the invention also discloses the data communications method between a kind of distribution main station system and the distribution terminal, this method includes:
The data acquisition step, each wireless data acquisition terminal is gathered the power information of electrical network primary equipment in the coupled distribution terminal, and the power information that collects sent in the mobile communications network by default communication protocol, or when it receives the director data of transmitting by described mobile communications network, described director data is sent to the distribution terminal corresponding with it;
The Network Transmission step, after receiving the power information that each wireless data acquisition terminal sends to described mobile communications network according to default communication protocol, described power information is sent to main station system or after receiving the director data that described main station system sends out, is forwarded to corresponding wireless data acquisition terminal by described mobile communications network.
Wherein, described Network Transmission step includes:
GPRS routing forwarding step, GGSN in GPRS routing node and the mobile communications network establishes a communications link by gre tunneling, when the power information data that receives from described wireless data acquisition terminal, it is forwarded to the electric power system routing node by the APN special line, or when the director data that receives from described electric power system routing node, it is forwarded to described wireless data acquisition terminal;
Electric power system routing forwarding step, described electric power system routing node is when the power information data that receives from described GPRS routing node, it is transmitted to described main station system, or when the director data that receives from described main station system, it is forwarded to described GPRS routing node by described APN special line;
Also include between described GPRS routing forwarding step and the electric power system routing forwarding step:
APN special line firewall filtering step is carried out security protection, IP address and ports filter to the data of transmitting on described APN special line.
Preferably, this method also includes:
Safe isolation step is arranged on safety insulating device between described main station system and the electric power system routing node when receiving the director data that main station system sends, with its with the binary form unidirectional delivery to described electric power system routing node; When the electric power data information that receives from described electric power system routing node, with its with text form unidirectional delivery to described main station system.
Preferably, this method also includes:
III district advance data receiving step, the III district advance data server that is arranged on APN transmission network side when the director data that receives from described safety insulating device, to its resolve, framing and send to described electric power system routing node; Or when the power information data that receives from described electric power system routing node, to its resolve, framing and send to described safety insulating device;
I district advance data receiving step, the I district advance data server that is arranged on described main station system side when receiving the director data that described main station system sends, to its resolve, framing and send to described safety insulating device; Or when the power information data that receives from described safety insulating device, to its resolve, framing and send to described main station system.
Wherein, described safe isolation step specifically includes:
Positive physical isolation step, positive physical isolation device when the director data that receives from described I district advance data server, with its with the binary form unidirectional delivery to described III district advance data server;
Reverse physical isolation step, oppositely physical isolation apparatus when the electric power data information that receives from described III district advance data server, with its with text form unidirectional delivery to described I district advance data server.
The invention has the beneficial effects as follows:
Embodiments of the invention are by being provided with the APN transmission network that is exclusively used in the transferring electric power system data in mobile communications network, utilize the communication data between this APN transmission network transmission distribution terminal and the main station system, thereby the needs of communicating by letter between distribution terminal and the power distribution automation main station system had both been satisfied, satisfied the security protection requirement of electric power system again about communication, guaranteeing data security and accurately under the prerequisite, greatly reduce communications cost, help in wide scope, realizing power distribution automation.
The present invention is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the composition structure chart of the embodiment of data communication system between distribution main station system provided by the invention and the distribution terminal;
Fig. 2 is the realization flow figure of the embodiment of data communications method between distribution main station system provided by the invention and the distribution terminal.
Embodiment
Describe an embodiment of the data communication system between distribution main station system provided by the invention and the distribution terminal in detail below with reference to Fig. 1; As shown in the figure, present embodiment mainly includes:
At least one wireless data acquisition terminal 1, link to each other one by one with distribution terminal 2, be used to gather the power information of electrical network primary equipment in the distribution terminal corresponding 2, the power information that collects sent in the mobile communications network or with its director data that receives by described mobile communications network by default communication protocol send to the distribution terminal corresponding 2 with it with it;
During specific implementation, transmission network 3 can specifically include GPRS routing node 31, electric power system routing node 32, be arranged on the APN special line between GPRS routing node 31 and the electric power system routing node 32 and be arranged on APN special line fire compartment wall 33 on the described APN special line, wherein:
The GPRS routing node is provided with 31 in mobile communications network, establish a communications link by gre tunneling with the GGSN in the mobile communications network, be used for to the power information data of electric power system routing node 32 forwardings from wireless data acquisition terminal 1, or to the director data of data acquisition device 1 forwarding from electric power system routing node 32;
Electric power system routing node 32 is arranged in power supply administration's electric power system data platform, and link to each other with main station system 4, be used for to the director data of GPRS routing node 32 forwardings from main station system 4, or to the power information data of main station system 4 forwardings from GPRS routing node 31;
Described APN special line is used to transmit the power information data that GPRS routing node 31 is transmitted to electric power system routing node 32, and perhaps transferring electric power system routing node 32 is to the director data of GPRS routing node 31 forwardings;
And APN special line fire compartment wall 33 is used for the data of transmitting on described APN special line are carried out security protection, IP address and ports filter.
In addition, present embodiment also can comprise a safety insulating device 5, it is arranged between main station system 4 and the electric power system routing node 32, and the director data that is used for main station system 4 is sent arrives electric power system routing node 32 or will arrive main station system 4 with text form unidirectional delivery from the power information data of electric power system routing node 32 with the binary form unidirectional delivery.
In addition, also be provided with an III district advance data server 34 in APN transmission network 3 sides, this III district advance data server 34 is connected between electric power system routing node 32 and the safety insulating device 5, be used for to its director data that receives from safety insulating device 5 resolve, framing and send to electric power system routing node 32; Or to the power information data that it receives from electric power system routing node 32 resolve, framing and send to safety insulating device 5;
Also be provided with an I district advance data server 41 in main station system 4 sides, this I district advance data server 41 links to each other with safety insulating device 5, be used for to the director data that its main station system that receives 4 sends resolve, framing and send to safety insulating device 5; Or to the power information data that it receives from safety insulating device 5 resolve, framing and send to main station system 4.
During specific implementation, safety insulating device 5 can specifically include:
Positive physical isolation device 51, be used for from the director data of I district advance data server 41 with the binary form unidirectional delivery to III district advance data server 34;
Reverse physical isolation apparatus 52, be used for from the power information data of III district advance data server 34 with text form unidirectional delivery to I district advance data server 41.
Describe the initialization procedure of APN transmission network 3 in the present embodiment below in detail.
Wireless data acquisition terminal 1 of each distribution terminal 2 configuration for power supply administration, and in mobile communications network, distribute special-purpose APN (Access Point NAME for power supply administration, APN), the SIM card that is used for the GPRS private network is opened this special use APN, after obtaining special-purpose APN, give the wireless data acquisition terminal 1 of all distribution terminal 2 correspondences and the internal fixation IP that power supply administration's electric power system data platform distributes the APN transmission network.The wireless data acquisition terminal 1 of distribution terminal 2 correspondences is by Gateway GPRS Support Node (the Gateway GPRS Support Node of GPRS network inside, GGSN) server and Generic Routing Encapsulation (Generic Routing Encapsulation, GRE) tunnel forwards the GPRS routing node 31 in the mobile communications network to, set up the TCP/IP link with power supply administration electric power data center service platform, the communication of setting up a transfer of data connects.
Describe the safety measure of present embodiment below in detail for guaranteeing that communication data safety adopts.
Present embodiment adopts the maltilevel security strategy, on the one hand, adopt privately owned fixed ip address to carry out wide area between GPRS routing node 31 and the electric power system routing node 32 and be connected, and employing APN special line fire compartment wall 33 carries out security protection, IP address and ports filter.On the other hand, between power distribution automation main station system 4 and APN transmission network, increase safety insulating device 5, uplink and downlink passage separate processes with network service, data feedback channel disconnects physical link by reverse isolation device 52, and adopt character file to transmit data, satisfied the security protection requirement of electric power system, realized that the safety of distribution terminal inserts in the wide scope.Again on the one hand, in main station system 4 sides that are in power automatic system safety I district I district advance data server 41 is set, and APN transmission network 3 sides between distribution terminal 2 that is in safe III district and main station system 4 are provided with III district advance data server 34, setting up network TCP/IP between the wireless data acquisition terminal 1 of III district advance data server 34 and distribution terminal 2 is connected, and all adopt the communication mode of fixed ip address, communicate according to stipulations with distribution terminal 2, carry out the parsing and the framing of normal transceive data and stipulations and handle.I district advance data server 41 then communicates by positive physical isolation device 51, reverse physical isolation apparatus 52, I district advance data server 41 passes through positive physical isolation device 51 to the 34 transfer operation orders of III district advance data server, such as to time order, always call order etc. together, after III district advance data server 34 resolve command, according to the stipulations framing and send to distribution terminal 1; After III district advance data server 34 receives the real time data of distribution terminal 2, resolve, and the result is sent to I district advance data server 41 with the form of text with data such as remote signalling, remote measurements by reverse isolation device 52 according to stipulations.Because the downlink data of power distribution automation main station system 4 is issued to distribution terminal 1 by forward spacer assembly 51, can stop APN transmission network 3 and send binary data to main station system 4 directions, and upstream data is delivered to main station system 4 by reverse isolation device 52 with text in form, also avoided sending real time data on the binary form, thereby cut off the distribution terminal that is in safe III district and be in the possibility of setting up the ascending physical signal link between the main station system 4 in safe I district.
Describe data communications method between distribution main station system provided by the invention and the distribution terminal in detail below with reference to Fig. 2, as shown in the figure, present embodiment realizes that the data communication flow process between primary power distribution main station system and the distribution terminal mainly includes:
Data acquisition step S1, each wireless data acquisition terminal is gathered the power information of electrical network primary equipment in the coupled distribution terminal, and the power information that collects sent in the mobile communications network by default communication protocol, or when it receives the director data of transmitting by described mobile communications network, described director data is sent to the distribution terminal corresponding with it;
Network Transmission step S2, after receiving the power information that each wireless data acquisition terminal sends to described mobile communications network according to default communication protocol, described power information is sent to main station system or after receiving the director data that described main station system sends out, is forwarded to corresponding wireless data acquisition terminal by described mobile communications network.
During specific implementation, described Network Transmission step S2 can include:
GPRS routing forwarding step S21, GGSN in GPRS routing node and the mobile communications network establishes a communications link by gre tunneling, when the power information data that receives from described wireless data acquisition terminal, it is forwarded to the electric power system routing node by the APN special line, or when the director data that receives from described electric power system routing node, it is forwarded to described wireless data acquisition terminal;
Electric power system routing forwarding step S22, described electric power system routing node is when the power information data that receives from described GPRS routing node, it is transmitted to described main station system, or when the director data that receives from described main station system, it is forwarded to described GPRS routing node by described APN special line;
Also include between GPRS routing forwarding step S21 and the electric power system routing forwarding step S22:
APN special line firewall filtering step (not shown) is carried out security protection, IP address and ports filter to the data of transmitting on described APN special line.
In addition, present embodiment also can include:
Safe isolation step S3 is arranged on safety insulating device between described main station system and the electric power system routing node when receiving the director data that main station system sends, with its with the binary form unidirectional delivery to described electric power system routing node; When the electric power data information that receives from described electric power system routing node, with its with text form unidirectional delivery to described main station system.
In addition, this method also includes:
III district advance data receiving step S4, the III district advance data server that is arranged on APN transmission network side when the director data that receives from described safety insulating device, to its resolve, framing and send to described electric power system routing node; Or when the power information data that receives from described electric power system routing node, to its resolve, framing and send to described safety insulating device;
I district advance data receiving step S5, the I district advance data server that is arranged on described main station system side when receiving the director data that described main station system sends, to its resolve, framing and send to described safety insulating device; Or when the power information data that receives from described safety insulating device, to its resolve, framing and send to described main station system.
During specific implementation, described safe isolation step S4 can specifically include:
Positive physical isolation step S41, positive physical isolation device when the director data that receives from described I district advance data server, with its with the binary form unidirectional delivery to described III district advance data server;
Reverse physical isolation step S42, oppositely physical isolation apparatus when the electric power data information that receives from described III district advance data server, with its with text form unidirectional delivery to described I district advance data server.
The data communications method that present embodiment provides is corresponding fully with the data communication system of previous embodiment, and something in common repeats no more.
Compared with prior art, the present invention has the following advantages:
1, only need utilize the public network of mobile communication to carry out the terminal data access, this access way technology maturation, intelligent communications terminal cost are low, its extensibility is strong, networking is convenient, satisfied the access on a large scale of distribution terminal, the compare data access of optical fiber private network can reduce investment and maintenance cost greatly;
2, set up the APN private network in mobile public network, its sound review mechanism has guaranteed safety of data transmission, and transfer of data all realizes at the APN private network, high safety; The legal audit of ID of the IP security audit of link establishment and data center server platform, dual audit has more guaranteed safety of data transmission.
3, the safety insulating device between electrical power distribution automatization system and the APN private network, when satisfying the real-time Data Transmission requirement, guarantee the disconnection of physical network links and being connected of downlink data physical network of data uplink, met the safety requirements of power automatic system.
The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (10)
1. the data communication system between distribution main station system and the distribution terminal is characterized in that this system includes:
At least one wireless data acquisition terminal, link to each other one by one with distribution terminal, be used to gather the power information of electrical network primary equipment in the distribution terminal corresponding, the power information that collects sent in the mobile communications network or with its director data that receives by described mobile communications network by default communication protocol send to the distribution terminal corresponding with it with it;
Transmission network, after being used for receiving the power information that each wireless data acquisition terminal sends to described mobile communications network, described power information is sent to main station system or the director data that described main station system sends out is forwarded to corresponding wireless data acquisition terminal by described mobile communications network according to default communication protocol.
2. the data communication system between distribution main station system as claimed in claim 1 and the distribution terminal, it is characterized in that, described transmission network specifically includes GPRS routing node, electric power system routing node, be arranged on the APN special line between described GPRS routing node and the electric power system routing node and be arranged on APN special line fire compartment wall on the described APN special line, wherein:
Described GPRS routing node is arranged in the mobile communications network, establish a communications link by gre tunneling with the GGSN in the mobile communications network, be used for to the power information data of described electric power system routing node forwarding from wireless data acquisition terminal, or to the director data of described data acquisition device forwarding from described electric power system routing node;
Described electric power system routing node is arranged in power supply administration's electric power system data platform, and link to each other with described main station system, be used for to the director data of described GPRS routing node forwarding from main station system, or to the power information data of described main station system forwarding from described GPRS routing node;
Described APN special line is used to transmit the power information data that described GPRS routing node is transmitted to described electric power system routing node, perhaps transmits the director data that described electric power system routing node is transmitted to described GPRS routing node;
Described APN special line fire compartment wall is used for the data of transmitting on described APN special line are carried out security protection, IP address and ports filter.
3. the data communication system between distribution main station system as claimed in claim 2 and the distribution terminal, it is characterized in that, this system also includes a safety insulating device, be arranged between described main station system and the electric power system routing node, the director data that is used for described main station system is sent arrives described electric power system routing node or will arrive described main station system with text form unidirectional delivery from the power information data of described electric power system routing node with the binary form unidirectional delivery.
4. the data communication system between distribution main station system as claimed in claim 3 and the distribution terminal is characterized in that:
Be provided with an III district advance data server in described APN transmission network side, this III district advance data server is connected between described electric power system routing node and the described safety insulating device, be used for to its director data that receives from described safety insulating device resolve, framing and send to described electric power system routing node; Or to the power information data that it receives from described electric power system routing node resolve, framing and send to described safety insulating device;
Be provided with an I district advance data server in described main station system side, this I district advance data server links to each other with described safety insulating device, be used for to the director data that its described main station system that receives sends resolve, framing and send to described safety insulating device; Or to the power information data that it receives from described safety insulating device resolve, framing and send to described main station system.
5. the data communication system between distribution main station system as claimed in claim 4 and the distribution terminal is characterized in that, described safety insulating device specifically includes:
Positive physical isolation device is used for the director data from described I district advance data server is arrived described III district advance data server with the binary form unidirectional delivery;
Oppositely physical isolation apparatus is used for the power information data from described III district advance data server is arrived described I district advance data server with text form unidirectional delivery.
6. the data communications method between distribution main station system and the distribution terminal is characterized in that this method includes:
The data acquisition step, each wireless data acquisition terminal is gathered the power information of electrical network primary equipment in the coupled distribution terminal, and the power information that collects sent in the mobile communications network by default communication protocol, or when it receives the director data of transmitting by described mobile communications network, described director data is sent to the distribution terminal corresponding with it;
The Network Transmission step, after receiving the power information that each wireless data acquisition terminal sends to described mobile communications network according to default communication protocol, described power information is sent to main station system or after receiving the director data that described main station system sends out, is forwarded to corresponding wireless data acquisition terminal by described mobile communications network.
7. the data communications method between distribution main station system as claimed in claim 6 and the distribution terminal is characterized in that, described Network Transmission step includes:
GPRS routing forwarding step, GGSN in GPRS routing node and the mobile communications network establishes a communications link by gre tunneling, when the power information data that receives from described wireless data acquisition terminal, it is forwarded to the electric power system routing node by the APN special line, or when the director data that receives from described electric power system routing node, it is forwarded to described wireless data acquisition terminal;
Electric power system routing forwarding step, described electric power system routing node is when the power information data that receives from described GPRS routing node, it is transmitted to described main station system, or when the director data that receives from described main station system, it is forwarded to described GPRS routing node by described APN special line;
Also include between described GPRS routing forwarding step and the electric power system routing forwarding step:
APN special line firewall filtering step is carried out security protection, IP address and ports filter to the data of transmitting on described APN special line.
8. the data communication system between distribution main station system as claimed in claim 7 and the distribution terminal is characterized in that, this method also includes:
Safe isolation step is arranged on safety insulating device between described main station system and the electric power system routing node when receiving the director data that main station system sends, with its with the binary form unidirectional delivery to described electric power system routing node; When the electric power data information that receives from described electric power system routing node, with its with text form unidirectional delivery to described main station system.
9. the data communications method between distribution main station system as claimed in claim 8 and the distribution terminal is characterized in that, this method also includes:
III district advance data receiving step, the III district advance data server that is arranged on APN transmission network side when the director data that receives from described safety insulating device, to its resolve, framing and send to described electric power system routing node; Or when the power information data that receives from described electric power system routing node, to its resolve, framing and send to described safety insulating device;
I district advance data receiving step, the I district advance data server that is arranged on described main station system side when receiving the director data that described main station system sends, to its resolve, framing and send to described safety insulating device; Or when the power information data that receives from described safety insulating device, to its resolve, framing and send to described main station system.
10. the data communication system between distribution main station system as claimed in claim 9 and the distribution terminal is characterized in that, described safe isolation step specifically includes:
Positive physical isolation step, positive physical isolation device when the director data that receives from described I district advance data server, with its with the binary form unidirectional delivery to described III district advance data server;
Reverse physical isolation step, oppositely physical isolation apparatus when the electric power data information that receives from described III district advance data server, with its with text form unidirectional delivery to described I district advance data server.
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| CN201110127723.4A CN102185382B (en) | 2011-05-16 | 2011-05-16 | System and method for data communication between power distribution master station system and power distribution terminal |
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| CN201110127723.4A CN102185382B (en) | 2011-05-16 | 2011-05-16 | System and method for data communication between power distribution master station system and power distribution terminal |
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| CN102185382B CN102185382B (en) | 2014-04-09 |
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| CN102571429A (en) * | 2012-01-05 | 2012-07-11 | 重庆市电力公司电力科学研究院 | Object-oriented intelligent power distribution communication business analyzing method and corresponding device |
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| CN111181956A (en) * | 2019-12-27 | 2020-05-19 | 南京国电南自电网自动化有限公司 | Wireless multi-service data encryption system and method applied to relay protection device |
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Effective date of registration: 20160823 Address after: Luohu District Shenzhen Shennan Road 518000 No. 4020 Guangdong provincial power dispatching center building Patentee after: Shenzhen Power Supply Bureau Co., Ltd. Address before: 518000 No. 4020 Shennan East Road, Guangdong, Shenzhen Patentee before: Shenzhen Power Supply Bureau of Guangdong Power Grid Corporation |