CN103441850A - Wireless security router, power distribution network data transmission system and operating method thereof - Google Patents
Wireless security router, power distribution network data transmission system and operating method thereof Download PDFInfo
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- CN103441850A CN103441850A CN2013103689026A CN201310368902A CN103441850A CN 103441850 A CN103441850 A CN 103441850A CN 2013103689026 A CN2013103689026 A CN 2013103689026A CN 201310368902 A CN201310368902 A CN 201310368902A CN 103441850 A CN103441850 A CN 103441850A
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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
- Y04S40/124—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- 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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Abstract
The invention provides a wireless security router, a power distribution network data transmission system and an operating method thereof. The wireless security router comprises a control mainboard, a machine shell and a GPRS / 3G wireless module, wherein the control mainboard is provided with an internal storage chip and a security SOC chip, and the wireless security router is provided with a serial port, a USB interface and an Ethernet port. The power distribution network data transmission system comprises the wireless security router, a power supply station front-end processor and a power distribution terminal. The wireless security router is connected with the power distribution terminal through the Ethernet port or the serial port and has access to a mobile internet private network through the GPRS / 3G wireless module to be connected with the power supply station front-end processor in a wireless mode. The security SOC chip with a national commercial code algorithm is adopted in the wireless GPRS / 3G router, a national commercial code algorithm co-processor of the security SOC chip is utilized to carry out data encryption and decryption processing on power distribution network data, and data security of the power distribution network is achieved at low cost.
Description
Technical field
The present invention is applicable to power distribution network and wireless industrial security fields, relates to wireless security router, power distribution network data transmission system and method for work thereof.
Background technology
Power distribution network is mainly applied 10KV transformer station, be directly connected to citizen's Electrical Safety, main transport part is deployed in distribution dispatching and monitoring and the data acquisition system of power supply administration and is deployed in the communication data between on-the-spot distribution terminal, comprises the data such as data acquisition, warning, Stateful Inspection, remote control.Described data all require to be encapsulated according to IEC60870-5-101 or IEC60870-5-104 stipulations.Power distribution network generally adopts industrial optical fiber looped network or GPRS/3G wireless private network as data transmission channel.Because building the optical fiber ring network excessive cycle, and be subject to urban geography restriction, cost to drop into the impact of the factor such as too large, power supply enterprise mostly selects to adopt the GPRS/3G wireless private network as power distribution network key data transmission network.The power distribution network data belong to critical data, if data are tampered or forge, will cause city large area blackout to occur, have a strong impact on people's life and economic development.Particularly adopt GPRS/3G wireless network transmissions data, its data are easy to be held as a hostage, distort and forge.
The safety that power distribution network need to adopt encryption technology protection transmission data is clearly proposed in Electricity Monitoring Commission's regulation in 2011.State Grid Corporation of China's clear at the power supply administration front end processor, the encrypted card with national commercial cipher algorithm is installed, move the soft algorithm of national commercial cipher at distribution terminal, the method that 101/104 stipulations are expanded has been protected the safety of power distribution network transmission data.
The power distribution network data belong to real-time monitor data, and the real-time of its data is had higher requirements.The general CPU that adopts low calculated performance of distribution terminal, national commercial cipher algorithm belongs to high-intensity high-density and calculates, and causes distribution terminal to process power supply administration's front end processor and issues the requirement that can't arrive its business itself through the real-time of the data of encryption.Need that on-the-spot distribution terminal is carried out to software upgrading simultaneously and met safe requirement, its upgrading and maintenance workload are huge.
Summary of the invention
For addressing the above problem, the invention provides a kind of wireless security router, power distribution network data transmission system and method for work thereof.
The wireless security router, comprise and control mainboard, casing, also comprise the GPRS/3G wireless module, described control mainboard is provided with memory chip and safe SOC chip, described safe SOC chip internal is integrated national commercial cipher algorithm coprocessor, 32 RISC CPU; Described GPRS/3G wireless module and memory chip are connected with safe SOC chip, and described wireless security router also is provided with serial ports and/or USB interface.Described wireless security router also is provided with Ethernet interface.Described safe SOC chip connects Ethernet interface, serial ports and/or USB interface, and described GPRS/3G wireless module connects serial ports or USB interface.
The power distribution network data transmission system, it is characterized in that, the wireless security router that comprises the above, power supply administration's front end processor, distribution terminal, described wireless security router by Ethernet interface or serial ports connect distribution terminal, by the mobile interconnected private network of GPRS/3G wireless module access with power supply administration's front end processor wireless connections.
The method of work of above-mentioned power distribution network data transmission system is:
It is as follows to the flow process of distribution terminal that power supply administration's front end processor issues downlink data:
Step 1: power supply administration's front end processor is signed after symmetric cryptography again and is sent to the wireless security router the downlink data selectivity;
Step 2: the wireless security router judges that according to the bebinning character 16H of downlink data whether this downlink data is through certifying signature symmetric cryptography processing again;
Step 3: the wireless security router is decrypted rear certifying signature processing to the downlink data of bebinning character 16H, and other data are not carried out;
Step 4: the wireless security router sends to distribution terminal to downlink data by Ethernet interface or serial ports.
Distribution terminal reporting uplink data are as follows to the flow process of power supply administration's front end processor:
Step 1: distribution terminal reporting uplink data are to the wireless security router;
Step 2: wireless security router judgement distribution terminal carries out the protocol type of transfer of data;
Step 3: as be 104 stipulations, the wireless security router carries out network address translation to the IP packet, as is 101 stipulations, and the wireless security router is set up TCP with the power supply administration front end processor and is connected, and upstream data is encapsulated as to Transmission Control Protocol load;
Step 4: as be 101 stipulations, whether the wireless security router is that remote signalling, telemetry determine whether upstream data is carried out to Reseal according to upstream data;
Step 5: whether the wireless security router is that remote signalling, telemetry determine whether to carry out the asymmetric encryption processing according to upstream data;
Step 6: as needs carry out the asymmetric encryption processing, carry out asymmetric encryption, otherwise do not carry out;
Step 7: upstream data uploads to power supply administration's front end processor by mobile interconnected private network.
Outstanding advantages of the present invention is: adopt the safe SOC chip with national commercial cipher algorithm to realize wireless GPRS/3G router, utilize the national commercial cipher algorithm coprocessor of safe S0C chip the power distribution network data to be met to the data encrypting and deciphering processing of " low and medium voltage distribution network automated system security protection supplementary provisions ", realize its data security.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is wireless security router hardware implementation and place distribution system thereof.
Fig. 2 is for adopting Ethernet interface and distribution terminal to carry out the high-level schematic functional block diagram of the wireless security router of transfer of data.
Fig. 3 adopts the high-level schematic functional block diagram of carrying out the wireless security router of transfer of data with serial ports and distribution terminal.
Fig. 4 is for adopting wireless security router of the present invention, and power supply administration's front end processor issues the flow chart of steps of downlink data to distribution terminal.
Fig. 5 is for adopting wireless security router of the present invention, and distribution terminal reporting uplink data are to the flow chart of steps of power supply administration's front end processor.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
At first wireless security router hardware structure is described.
Be illustrated in figure 1 the hardware implementation mode schematic diagram.This wireless security router, comprise and control mainboard, casing, GPRS/3G wireless module, and described control mainboard is provided with memory chip and safe SOC chip, described safe SOC chip internal is integrated national commercial cipher algorithm coprocessor, 32 RISC CPU; Described GPRS/3G wireless module and memory chip are connected with safe SOC chip, and described wireless security router also is provided with serial ports and/or USB interface.Described wireless security router also is provided with Ethernet interface.Described safe SOC chip is in inner Ethernet interface, serial ports and/or the USB interface of connecting of casing, and described GPRS/3G wireless module connects serial ports or USB interface.
The safe SoC chip of commercial cipher algorithm is realized wireless GPRS/3G router, the data encrypting and deciphering that country's commercial cipher algorithm coprocessor is met " low and medium voltage distribution network automated system security protection supplementary provisions " to the power distribution network data is processed, and realizes its data security.
Above-mentioned wireless security router can, for the data transmission procedure of power distribution network, form a power distribution network data transmission system, as shown in Figure 1.This system comprises above-mentioned wireless security router, power supply administration's front end processor and is dispersed in distribution terminal everywhere, and described wireless security router connects distribution terminal, by the mobile interconnected private network of GPRS/3G wireless module access and power supply administration's front end processor, carries out radio communication by Ethernet interface or serial ports.
Particularly, described wireless security router is connected with the distribution terminal of rear end by serial ports or ethernet link, receives the distribution terminal uploading data.By the mobile interconnected private network of GPRS/3G wireless module access, receive the data that power supply administration issues.
Below the functional module of wireless security router described.
Described wireless security router differently from the distribution terminal connected mode is divided into different functional modules according to it, as shown in Figure 2,3.
Fig. 2 is for adopting Ethernet interface and distribution terminal to carry out the high-level schematic functional block diagram of the wireless security router of transfer of data.
The 3G/GPRS dial module is responsible for the PPP dialing, makes the mobile interconnected private network of wireless security router access.
The IP message that the NAT address conversion module is responsible for that distribution terminal is uploaded is converted to the public network address of mobile interconnected private network.
The cryptographic algorithm engine modules is responsible for calling the national commercial cipher algorithm coprocessor of safe SoC chip internal, for stipulations data safe processing module provides the cryptographic algorithm service.
Stipulations data safe processing module is responsible for 101/104 stipulations data are identified and carried out corresponding data encrypting and deciphering and certifying signature is processed.
The interface route configuration module is for realizing the related hardware configuration to each interface of route.
Fig. 3 adopts the functional schematic that carries out the wireless security router of transfer of data with serial ports and distribution terminal.
TCP Connection Service module be responsible for the power supply administration front end processor between set up TCP and be connected, and 101 stipulations data carried out to the TCP encapsulation be sent to power supply administration's front end processor.
The function of all the other modules is identical with the description to Fig. 2.
Below the working method of said system is elaborated.
In use procedure, wireless security router of the present invention is located between distribution terminal and wireless network.After whether the wireless security router needs to carry out corresponding asymmetric encryption or deciphering according to half section of the characteristic of its 101/104 stipulations data, sign test is processed, and guarantees that the data at transmission in wireless network are 101/104 safe stipulations data.Below its specific works flow process is described in detail.。
Adopt wireless security router of the present invention, the steps flow chart that the downlink data that power supply administration's front end processor issues sends to distribution terminal as shown in Figure 4.
S1: power supply administration's front end processor is signed after symmetric cryptography again and is sent to the wireless security router the downlink data selectivity.
Be specially: the downlink data that power supply administration's front end processor issues requires to be handed down to and to be deployed in on-the-spot wireless security router by wireless network after the symmetric cryptography processing again through the signature of front end processor encrypting module according to " low and medium voltage distribution network automated system security protection supplementary provisions ".
S2: whether the wireless security router is that 16H determines whether this downlink data needs to be decrypted certifying signature again and process according to the bebinning character of downlink data.
Decipher certifying signature as needs again and process, S3 is:
S3: call stipulations safe handling module downlink data is decrypted to the certifying signature processing again,
Be specially: stipulations safe handling module is called symmetry algorithm that the national commercial cipher algorithm coprocessor of safe SoC chip carries out downlink data and is deciphered SM2 proof of algorithm signature again and process.Symmetry algorithm can be SM1 or SM4 algorithm.
If do not needed signature to process, do not carry out S3, directly carry out S4.
S4: data distributing to the rear end distribution terminal.
This step is specially:
If the wireless security router is connected with distribution terminal by Ethernet interface, the wireless security router only carries out can sending to distribution terminal by Ethernet after NAT address transition (network address translation) to downlink data.
If the wireless security router is connected with distribution terminal by serial ports, the wireless security router calls the TCP link block and restores original 101 stipulations data, and sends to the rear end distribution terminal by serial ports.
Adopt wireless security router of the present invention, distribution terminal reporting uplink data to the steps flow chart of the front end processor of power supply administration as shown in Figure 5.
S1: distribution terminal reporting uplink data are to the wireless security router.
S2: wireless security router judgement protocol type.
If distribution terminal carries out transfer of data by Ethernet interface, move 104 stipulations agreements; If distribution terminal carries out transfer of data by serial ports, move 101 stipulations agreements.
If distribution terminal is connected with the wireless security router by Ethernet interface, S3～S5 is:
S3: call the NAT address conversion module and carry out address transition.
S4: whether be that remote signalling, telemetry determine whether to carry out the asymmetric encryption processing according to the data of 104 stipulations.
S5: need to call stipulations safe handling module and realize the encryption to upstream data.
If distribution terminal is connected with the wireless security router by serial ports, S3～S5 is:
S3: the wireless security router calls the TCP link block and sets up TCP with the power supply administration front end processor and be connected, using the data that receive as the TCP load data.
S4: whether be that remote signalling, telemetry determine whether, according to " low and medium voltage distribution network automated system security protection supplementary provisions ", upstream data is carried out to Reseal according to the data of 101 stipulations, whether need to carry out the asymmetric encryption processing.
S5: needs carry out the asymmetric encryption processing to the upstream data of new encapsulation format.
In this step, be that the national commercial cipher algorithm coprocessor that calls safe SoC chip carries out the processing of SM2 algorithm for encryption to upstream data.
S6: upstream data uploads to the main website of power supply administration by wireless channel.
Concrete data frame format is:
Outstanding advantages of the present invention is: adopt the safe SOC chip with national commercial cipher algorithm to realize wireless GPRS/3G router, utilize the national commercial cipher algorithm coprocessor of safe S0C chip the power distribution network data to be met to the data encrypting and deciphering processing of " low and medium voltage distribution network automated system security protection supplementary provisions ", with lower cost, realize its data security.
Claims (9)
1. wireless security router, comprise and control mainboard, casing, it is characterized in that, also comprise the GPRS/3G wireless module, described control mainboard is provided with memory chip and safe SOC chip, described safe SOC chip internal is integrated national commercial cipher algorithm coprocessor, 32 RISC CPU; Described GPRS/3G wireless module and memory chip are connected with safe SOC chip, and described wireless security router also is provided with serial ports and/or USB interface.
2. wireless security router as claimed in claim 1, is characterized in that, described wireless security router also is provided with Ethernet interface.
3. the wireless security router of stating as claim 2, is characterized in that, described safe SOC chip connects Ethernet interface, serial ports and/or USB interface, and described GPRS/3G wireless module connects serial ports or USB interface.
4. power distribution network data transmission system, it is characterized in that, comprise as claim 1 or 2 or 3 described wireless security routers, power supply administration's front end processor, distribution terminal, described wireless security router by Ethernet interface or serial ports connect distribution terminal, by the mobile interconnected private network of GPRS/3G wireless module access with power supply administration's front end processor wireless connections.
5. the method for work of power distribution network data transmission system as claimed in claim 4, is characterized in that,
It is as follows to the flow process of distribution terminal that power supply administration's front end processor issues downlink data:
Step 1: power supply administration's front end processor sends downlink data to the wireless security router by mobile interconnected private network;
Step 2: the wireless security router according to the bebinning character 16H of downlink data judge this downlink data whether after signature symmetric cryptography process;
Step 3: the wireless security router is decrypted rear certifying signature processing to the downlink data of bebinning character 16H, and other downlink data does not carry out;
Step 4: downlink data sends to distribution terminal by Ethernet interface or serial ports.
Distribution terminal reporting uplink data are as follows to the flow process of power supply administration's front end processor:
Step 1: distribution terminal reporting uplink data are to the wireless security router;
Step 2: wireless security router judgement distribution terminal carries out the protocol type of transfer of data;
Step 3: as be 104 stipulations, the wireless security router carries out network address translation to the IP packet, as is 101 stipulations, and the wireless security router is set up TCP with the power supply administration front end processor and is connected, and upstream data is encapsulated as to Transmission Control Protocol load;
Step 4: as be 101 stipulations, whether the wireless security router is that remote signalling, telemetry determine whether upstream data is carried out to Reseal according to upstream data;
Step 5: whether the wireless security router is that remote signalling, telemetry determine whether to carry out the asymmetric encryption processing according to upstream data;
Step 6: as needs carry out the asymmetric encryption processing, carry out asymmetric encryption, otherwise do not carry out;
Step 7: upstream data uploads to power supply administration's front end processor by mobile interconnected private network.
6. the method for work of power distribution network data transmission system as claimed in claim 5, it is characterized in that, power supply administration's front end processor issues in the step 4 of downlink data to the flow process of distribution terminal, before downlink data sends to distribution terminal by Ethernet interface, the wireless security router carries out network address translation to downlink data; Before downlink data sends to distribution terminal by serial ports, the wireless security router restores original 101 stipulations data.
7. the method for work of power distribution network data transmission system as claimed in claim 5, is characterized in that, distribution terminal reporting uplink data, in the step 2 of the flow process of power supply administration's front end processor, if distribution terminal carries out transfer of data by serial ports, are moved 101 stipulations agreements; If distribution terminal carries out transfer of data by Ethernet interface, move 104 stipulations agreements.
8. as the method for work of power distribution network data transmission system as described in claim 5 or 6 or 7, it is characterized in that, power supply administration's front end processor issues in the step 3 of downlink data to the flow process of distribution terminal, the symmetry algorithm that utilizes the national commercial cipher algorithm coprocessor of safe SoC chip to carry out downlink data carries out SM2 proof of algorithm signature after deciphering to be processed, and symmetry algorithm is according to can be SM1 or SM4 algorithm.
9. as the method for work of power distribution network data transmission system as described in claim 5 or 6 or 7, it is characterized in that, distribution terminal reporting uplink data are in the step 6 of the flow process of power supply administration's front end processor, and the national commercial cipher algorithm coprocessor that calls safe SoC chip carries out the processing of SM2 algorithm for encryption to upstream data.
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| CN107770032A (en) * | 2017-11-10 | 2018-03-06 | 中国南方电网有限责任公司 | The communication system and its means of communication of distribution terminal |
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| CN108156164A (en) * | 2017-12-28 | 2018-06-12 | 国网信息通信产业集团有限公司 | A kind of method that electric power wireless private network terminal increases PPP services |
| CN114244417A (en) * | 2021-12-20 | 2022-03-25 | 广东电网有限责任公司 | DTU signal supplement relay device of underground power distribution room |
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| CN114244417A (en) * | 2021-12-20 | 2022-03-25 | 广东电网有限责任公司 | DTU signal supplement relay device of underground power distribution room |
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