CN203352292U - Power distribution network monitoring automation system having encryption function - Google Patents
Power distribution network monitoring automation system having encryption function Download PDFInfo
- Publication number
- CN203352292U CN203352292U CN201320381188XU CN201320381188U CN203352292U CN 203352292 U CN203352292 U CN 203352292U CN 201320381188X U CN201320381188X U CN 201320381188XU CN 201320381188 U CN201320381188 U CN 201320381188U CN 203352292 U CN203352292 U CN 203352292U
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- CN
- China
- Prior art keywords
- control chip
- distribution network
- main control
- network monitoring
- input circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a power distribution network monitoring automation system having the encryption function. Compared with the prior art, the defect that data encryption cannot be performed and the defect that system safety cannot be ensured with power distribution network monitoring automation systems can be solved. The power distribution network monitoring automation system having the encryption function of the utility model comprises a relay (8), a circuit breaker (9), a wireless network module(6), a master station (7), a master control chip (1), and a direct-current input circuit (3) which is connected with the master control chip (1). The master control chip (1) is connected with the circuit breaker (9) through the relay (8). The wireless network module (6) is connected with the master station (7). The power distribution network monitoring automation system further comprises an encryption module (2). The master control chip (1) is connected with the wireless network module (6) through the encryption module (2). According to the utility model, the safety of remote control data can be ensured, and the safety of the power distribution network monitoring automation system can be ensured.
Description
Technical field
The utility model relates to low and medium voltage distribution network monitoring technique field, is a kind of distribution network monitoring automated system with encryption function specifically.
Background technology
In recent years, power grid construction enters high-speed development period in the whole nation, and the power distribution automation matched has with it also been applied very extensive.The distribution network monitoring automated system comprises power distribution automation main website and all kinds of distribution terminal, is the important component part of intelligent grid.But, for the low and medium voltage distribution network that does not possess the optical fiber communication condition for some, can only adopt the public network communication mode to carry out the transmission of control command as GPRS/CDMA.And the risk that this transmission means can cause systems face to be attacked from public network, the safe and reliable power supply of impact to the user; Also there is the information channel of invading main website by substation simultaneously, may cause wider security threat.While is according to the related request of State Grid Corporation of China, must support the unilateral authentication function based on the unsymmetrical key technology in the distribution network monitoring automated system, the guidance command that main website issues should be with the digital signature based on the scheduling certificate, and substation side or end side should be able to be differentiated the digital signature of main website.How to develop a kind of have encryption function, safety the distribution network monitoring automated system become urgent problem.
The utility model content
The purpose of this utility model is can't carry out data encryption in order to solve distribution network monitoring automated system in prior art, can't guarantee the defect of security of system, provides a kind of distribution network monitoring automated system with encryption function to solve the problems referred to above.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of distribution network monitoring automated system with encryption function, comprise relay, circuit breaker, wireless network module, main website, main control chip and the direct-flow input circuit be connected with main control chip, described main control chip is connected with circuit breaker by relay, described wireless network module is connected with main website, also comprise encrypting module, described main control chip is connected with wireless network module by encrypting module.
Described encrypting module is the SGC1114N encryption chip.
Also comprise three-phase current input circuit, three-phase voltage input circuit and AD chip, described three-phase current input circuit is connected with the AD chip respectively with the three-phase voltage input circuit, and described AD chip is connected with main control chip.
Also comprise the switching signal input circuit, described switching signal input circuit is connected with main control chip.
Also comprise reset circuit and memory circuit, described reset circuit is connected with main control chip respectively with memory circuit.
Also comprise RS232 interface, power supply and backup battery, described RS232 interface is connected with main control chip, and described power supply is connected with main control chip, and described backup battery is connected with power supply.
beneficial effect
A kind of distribution network monitoring automated system with encryption function of the present utility model, compared with prior art carry out the encryption and decryption processing by encrypting module to data, guaranteed the fail safe of remote-control data, guaranteed the fail safe of distribution network monitoring automated system.Owing to adopting embedded SGC1114N encryption chip to realize encipherment scheme, reduced production cost, effectively prevent the feeder line operation irregularity, improve the employing rate of power equipment.
the accompanying drawing explanation
Fig. 1 is electrical block diagram of the present utility model
Wherein, 1-main control chip, 2-encrypting module, 3-direct-flow input circuit, 4-AD chip, 5-switching signal input circuit, 6-wireless network module, 7-main website, 8-relay, 9-circuit breaker, 10-RS232 interface, 11-reset circuit, 12-memory circuit, 13-power supply, 14-backup battery, 41-three-phase current input circuit, 42-three-phase voltage input circuit.
Embodiment
For making that architectural feature of the present utility model and the effect reached are had a better understanding and awareness, coordinate detailed explanation in order to preferred embodiment and accompanying drawing, be described as follows:
As shown in Figure 1, a kind of distribution network monitoring automated system with encryption function described in the utility model, comprise relay 8, circuit breaker 9, wireless network module 6, main website 7, main control chip 1 and the direct-flow input circuit 3 be connected with main control chip 1.Direct-flow input circuit 3 is for gathering the direct current input message, main control chip 1 is connected with circuit breaker 9 by relay 8, link on city's electric control circuit the other end of circuit breaker 9, for when needs carry out data acquisition and carry out relevant treatment, can complete the open and close to city's electric control circuit by relay 8 and circuit breaker 9.Wireless network module 6 is connected with main website 7, and wireless network module 6 can be GPRS wireless network module or cdma wireless mixed-media network modules mixed-media, by GPRS wireless network module or cdma wireless mixed-media network modules mixed-media and main website 7, carries out data communication and Remote.Also comprise encrypting module 2, described main control chip 1 is connected with wireless network module 6 by encrypting module 2, and the data of 2 pairs of Remotes of encrypting module and transmission are encrypted, and has guaranteed the fail safe of system operation.Encrypting module 2 is the SGC1114N encryption chip, the close SM1 of the built-in state of SGC1114N encryption chip, SM2, SM3 algorithm, support power distribution network to encrypt tailor-made algorithm, chip internal hardware has been realized SM1 algorithm dedicated encrypted module, DES/3DES encrypting module and the SM2 public key algorithm engine that national commercial encryption product is required, can realize the related request to distribution automatic system security protection work.
Also comprise three-phase current input circuit 41, three-phase voltage input circuit 42 and AD chip 4, three-phase current input circuit 41 is for gathering the three-phase current data message, and three-phase voltage input circuit 42 is for gathering the three-phase voltage data message.Three-phase current input circuit 41 is connected with AD chip 4 respectively with three-phase voltage input circuit 42, and described AD chip 4 is connected with main control chip 1.After main control chip 1 obtains the electric current and voltage data in the AD chip, and analyze the power quality data of electric equipment by mathematical algorithm, again these communications are supplied to customer analysis to main website, thereby understand in time the electric equipment operation situation, take corresponding remote control measure to improve the utilance of power equipment, prevent electric equipment and wire overloading operation, improved service life of equipment.
Also comprise switching signal input circuit 5, for gathering switching circuit information, described switching signal input circuit 5 is connected with main control chip 1.Reset circuit 11 use that resets when crashing for system, memory circuit 12 is for the storage of data that main control chip 1 was processed and call, and described reset circuit 11 is connected with main control chip 1 respectively with memory circuit 12.Also comprise RS232 interface 10, power supply 13 and backup battery 14.RS232 interface 10 is local interface, for directly copy related data on native system, uses, and power supply 13 is for whole system provides power supply, and standby when backup battery 14 prevents electricity shortage is used.RS232 interface 10 is connected with main control chip 1, and described power supply 13 is connected with main control chip 1, and described backup battery 14 is connected with power supply 13.
During actual the use, main control chip 1 sends main website 7 to by wireless network module 6 after collecting the related data information such as direct current, three-phase current, three-phase voltage, switching circuit by each data acquisition mouth after encrypting module 2.By adopting the encrypting module 2 that SGC1114N is core to receive in real time the guidance command from main website 7, the guidance command that main website 7 sends is additional period stamp and digital signature after standard agreement is controlled message, its digital signature adopts asymmetric key algorithm to be encrypted, and cryptographic algorithm adopts and selects the ECC elliptic curve cryptosystem, 160bit is above or the above algorithm of RSA, 1024bit.After encrypting module 2 receives ciphertext, message is decrypted, if it is consistent with digital signature included in message to calculate the digital signature of gained, mean that this message is correct message, and be transferred to main control chip 1, and main control chip 1 is carried out corresponding guidance command, otherwise this message is error message, returning to main website 7 by encrypting module 2 negates message, and main control chip 1 is not carried out corresponding guidance command.
Above demonstration and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and specification, describe is principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection range that the utility model requires is defined by appending claims and equivalent thereof.
Claims (6)
1. the distribution network monitoring automated system with encryption function, comprise relay (8), circuit breaker (9), wireless network module (6), main website (7), main control chip (1) and the direct-flow input circuit (3) be connected with main control chip (1), described main control chip (1) is connected with circuit breaker (9) by relay (8), described wireless network module (6) is connected with main website (7), it is characterized in that: also comprise encrypting module (2), described main control chip (1) is connected with wireless network module (6) by encrypting module (2).
2. a kind of distribution network monitoring automated system with encryption function according to claim 1, it is characterized in that: described encrypting module (2) is the SGC1114N encryption chip.
3. a kind of distribution network monitoring automated system with encryption function according to claim 2, it is characterized in that: also comprise three-phase current input circuit (41), three-phase voltage input circuit (42) and AD chip (4), described three-phase current input circuit (41) is connected with AD chip (4) respectively with three-phase voltage input circuit (42), and described AD chip (4) is connected with main control chip (1).
4. a kind of distribution network monitoring automated system with encryption function according to claim 2, it is characterized in that: also comprise switching signal input circuit (5), described switching signal input circuit (5) is connected with main control chip (1).
5. a kind of distribution network monitoring automated system with encryption function according to claim 2, it is characterized in that: also comprise reset circuit (11) and memory circuit (12), described reset circuit (11) is connected with main control chip (1) respectively with memory circuit (12).
6. a kind of distribution network monitoring automated system with encryption function according to claim 2, it is characterized in that: also comprise RS232 interface (10), power supply (13) and backup battery (14), described RS232 interface (10) is connected with main control chip (1), described power supply (13) is connected with main control chip (1), and described backup battery (14) is connected with power supply (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320381188XU CN203352292U (en) | 2013-06-30 | 2013-06-30 | Power distribution network monitoring automation system having encryption function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320381188XU CN203352292U (en) | 2013-06-30 | 2013-06-30 | Power distribution network monitoring automation system having encryption function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203352292U true CN203352292U (en) | 2013-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320381188XU Expired - Lifetime CN203352292U (en) | 2013-06-30 | 2013-06-30 | Power distribution network monitoring automation system having encryption function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203352292U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378383A (en) * | 2014-11-28 | 2015-02-25 | 国家电网公司 | Online distribution line monitoring data terminal and safe and encrypted communication method of distribution lines |
| CN104601395A (en) * | 2014-12-05 | 2015-05-06 | 国家电网公司 | Substation digital communication based intelligent record analysis system |
| CN105763542A (en) * | 2016-02-02 | 2016-07-13 | 国家电网公司 | Device and method of encryption and authentication for distribution terminal serial port communication |
| CN105871873A (en) * | 2016-04-29 | 2016-08-17 | 国家电网公司 | Security encryption authentication module for power distribution terminal communication and method thereof |
-
2013
- 2013-06-30 CN CN201320381188XU patent/CN203352292U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378383A (en) * | 2014-11-28 | 2015-02-25 | 国家电网公司 | Online distribution line monitoring data terminal and safe and encrypted communication method of distribution lines |
| CN104601395A (en) * | 2014-12-05 | 2015-05-06 | 国家电网公司 | Substation digital communication based intelligent record analysis system |
| CN104601395B (en) * | 2014-12-05 | 2018-11-13 | 国家电网公司 | Intelligent record analysis system based on substation's digital communication |
| CN105763542A (en) * | 2016-02-02 | 2016-07-13 | 国家电网公司 | Device and method of encryption and authentication for distribution terminal serial port communication |
| CN105871873A (en) * | 2016-04-29 | 2016-08-17 | 国家电网公司 | Security encryption authentication module for power distribution terminal communication and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230031, No. 9, Bridge Road, Shushan Industrial Park, Hefei, Anhui Patentee after: ANHUI ZHONGXIN JIYUAN INFORMATION TECHNOLOGY CO.,LTD. Address before: 230031, No. 9, Bridge Road, Shushan Industrial Park, Hefei, Anhui Patentee before: Anhui Zhongxing Jiyuan Information Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |
|
| CX01 | Expiry of patent term |