CN114244440A - Method, device and storage medium for information interaction of stations in self-healing system - Google Patents
Method, device and storage medium for information interaction of stations in self-healing system Download PDFInfo
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- 230000003993 interaction Effects 0.000 title claims abstract description 19
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- 238000007599 discharging Methods 0.000 claims description 16
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- 239000000835 fiber Substances 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 9
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- 230000004044 response Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
- H04B10/275—Ring-type networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
- H02J13/00017—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus using optical fiber
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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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- Small-Scale Networks (AREA)
Abstract
The invention discloses a method, a device and a storage medium for information interaction of stations in a self-healing system, wherein the method comprises the following steps: the first self-healing terminal is positioned at the head end of the optical fiber ring network, detects the self state and sends a state signal to the self-healing terminal adjacent to the first self-healing terminal, and the self-healing terminal adjacent to the first self-healing terminal is positioned at the middle section of the optical fiber ring network; the self-healing terminals in the second self-healing terminal group positioned in the middle section of the optical fiber ring network detect the self states, carry out logic judgment on the states sent by the self-healing terminals adjacent to the upper side, and send state signals to the self-healing terminals adjacent to the lower side; and the third self-healing terminal which is positioned at the tail end of the optical fiber ring network detects the self state and carries out logic judgment on the state sent by the self-healing terminal adjacent to the third self-healing terminal to determine the running state of the system, and the self-healing terminal adjacent to the second self-healing terminal is positioned in the middle section of the optical fiber ring network. When one side of the optical fiber is abnormal, the signal sends information to the designated self-healing terminal through the other side of the ring network, so that accurate and timely response can be ensured when the abnormality occurs, and the reliability is high.
Description
Technical Field
The invention relates to the technical field of power distribution networks of power systems, in particular to a method, a device and a storage medium for information interaction of stations in a self-healing system.
Background
The power distribution network is used as a link for distributing power in the power system and is directly oriented to users, and the power supply reliability of the power distribution network is very important for the users. In order to improve the power supply reliability, the conventional method is to configure an automatic standby power supply switching device in a station, and when one section of bus loses power, the other section of bus is used for supplying power, but the switching time interval of the standby power supply is longer. At present, a plurality of places begin to use the power distribution network self-healing system, the stations are mutually used as standby power supplies, the interval for recovering power supply is greatly shortened, and the self-healing system can correctly and quickly act on the premise that a quick and stable information interaction means is required to provide support.
In the related art, the invention patent application with the patent application number of 201910179537.1 discloses a multi-stage power grid collaborative self-healing system and a multi-stage power grid collaborative self-healing method, wherein the system comprises two groups of first transformer substations, a plurality of groups of switching stations and a plurality of groups of second transformer substations, the plurality of groups of second transformer substations are sequentially connected by hands, and the two groups of first transformer substations are respectively connected with the first group of second transformer substations and the last group of second transformer substations; and the first and last groups of switching stations are respectively and electrically connected with the two groups of second transformer substations. The electric quantity, the switching state information and the action signals of the bus where the power grid is located and the adjacent bus are obtained through the open-loop point switch among all levels of power grids, and whether the power grid meets the charging, discharging or action conditions or not is judged through the signals. When the system has a short-circuit fault, each level of self-healing system carries out logic judgment according to the collected signals, so that the open-loop point switch is closed to restore power supply to the fault power-loss area; the method for realizing the cooperative self-healing through semaphore interaction instead of the cooperation of time level difference can shorten the power supply recovery time and reduce the workload of fixed value setting.
However, in the scheme, the open-loop points only see the electrical quantities of the bus and the adjacent bus, if a plurality of open-loop points exist and are not adjacent, the open-loop points cannot be processed, the multiple groups of sequential hand-pulling connections are open-loop connections, and after any section in the middle is disconnected, the whole bus cannot be communicated.
Disclosure of Invention
The invention aims to solve the technical problem of how to quickly and reliably receive the running condition of the whole system.
The invention solves the technical problems through the following technical means:
in a first aspect, an embodiment of the present invention employs a method for information interaction among stations in a self-healing system, where self-healing terminals in different switching stations in the self-healing system are connected by an optical cable and a hand-pulling device to form an optical fiber ring network, and the method includes:
the first self-healing terminal is positioned at the head end of the optical fiber ring network, detects the self state and sends a state signal to the self-healing terminal adjacent to the first self-healing terminal, and the self-healing terminal adjacent to the first self-healing terminal is positioned at the middle section of the optical fiber ring network;
the self-healing terminals in the second self-healing terminal group positioned in the middle section of the optical fiber ring network detect the self states, logically judge the states sent by the self-healing terminals adjacent to the upper side and send state signals to the self-healing terminals adjacent to the lower side;
and the third self-healing terminal at the tail end of the optical fiber ring network detects the self state and performs logic judgment on the state sent by the self-healing terminal adjacent to the third self-healing terminal, so that the running state of the system is determined, and the self-healing terminal adjacent to the second self-healing terminal is located in the middle section of the optical fiber ring network.
The self-healing terminals in different switch stations in the whole self-healing system are connected in a hand-in-hand mode through optical cables to form an optical fiber ring network, the self-healing terminals sort the information of the station where the self-healing terminals are located and the received information of two adjacent switch stations and then send the information to the two adjacent switch stations, when one side of the optical fiber is abnormal, the signal sends the information to the designated self-healing terminal through the other side of the ring network, accurate and timely response is ensured when the abnormality occurs, the fault is correctly isolated, power supply is recovered, when the abnormality occurs in one optical fiber in the system, the operation of the whole system is not influenced, the on-site implementation is easy, the reliability is high, and the optical fiber ring network self-healing system has a good application prospect.
Further, the method further comprises:
allocating IDs to the respective healed terminals in the optical fiber ring network in advance;
and judging the self-healing terminal adjacent to the current self-healing terminal according to the ID of the self-healing terminal.
Further, the allocating IDs to respective healed terminals in the optical fiber ring network in advance includes:
and regarding the optical cable between the self-healing terminals, regarding the self-healing terminals connected on the same cable as adjacent terminals and distributing the ID.
Further, the state signal is a common signal for distinguishing read-write permission, and includes:
the signal can be charged, and the read-write authority is that each station can read and write;
the discharge signal exists, and the read-write authority is that each station can read and write;
the operation mode signal, the read-write authority is that only the open loop point can be written, and the other stations can only read;
the open-loop point position signals have the read-write permission that only the open-loop point can be written and the other stations can only read;
the number of open-loop points is the signal, the read-write authority is that only the open-loop points can be written, and the other stations can only read;
the charging completion signal indicates that the read-write permission is that only the tail end can be written and the rest stations can only read;
the system operation mode signal, the read-write authority is that only the tail end can be written, and the other stations can only read;
the system opens the loop point position signal, the read-write authority is that only the tail end can be written, and the other stations can only read.
Further, be located the first self-healing terminal of optic fibre looped netowrk head end detects self state and sends the state signal to the self-healing terminal rather than adjacent, include:
the first self-healing terminal detects the self-discharge state and sends a state signal to the self-healing terminal adjacent to the first self-healing terminal in the middle section of the optical fiber ring network;
if the first self-healing terminal is an open-loop point, the state signal comprises the operation mode signal, an open-loop point position signal and an open-loop point quantity signal.
Further, the second self-healing terminal group includes at least one self-healing terminal, the self-healing terminal detects self state and carries out logic judgement with the state that the adjacent self-healing terminal of upside sent, and the self-healing terminal that sends the state signal to the downside is adjacent includes:
the self-healing terminal analyzes the self state and the state sent by the self-healing terminal adjacent to the upper side, and if both the self-healing terminal and the self-healing terminal can be charged, the self-healing terminal sends the self-station chargeable signal to the self-healing terminal adjacent to the lower side;
if any one of the two terminals is the discharging signal, the self-healing terminal sends the discharging signal to the self-healing terminal adjacent to the lower side;
if the self-healing terminal is the ring-opening point, then the self-healing terminal writes the state signal extremely the adjacent self-healing terminal of downside, this department state signal include the running mode signal ring-opening point position signal with ring-opening point number signal, wherein ring-opening point number signal equals the ring-opening point number that the adjacent self-healing terminal of upside sent comes adds 1.
Further, the third self-healing terminal located at the tail end of the optical fiber ring network detects the self state and performs logic judgment on the state sent by the self-healing terminal adjacent to the self state, and determines the running state of the system, including:
if the third self-healing terminal is an open-loop point, the third self-healing terminal determines that the running state comprises the running mode signal, the open-loop point position signal and the open-loop point quantity signal, wherein the open-loop point quantity signal is equal to the sum of 1 and the number of open-loop points sent by the self-healing terminal adjacent to the third self-healing terminal;
if the third self-healing terminal and the self-healing terminal of the third self-healing terminal vector can be charged and do not have the discharge signal and the number of the open loop points read by the third self-healing terminal is 1, the third self-healing terminal determines that the running state comprises the charging completion, the system running mode and the open loop point position of the system.
Further, the method further comprises:
and the third self-healing terminal sequentially sends the determined running states to the first self-healing terminal.
In a second aspect, an embodiment of the present invention employs a device for information interaction among stations in a self-healing system, where self-healing terminals in different switching stations in the self-healing system are connected by an optical cable and a hand-pulling device to form an optical fiber ring network, and the device includes:
the first sending module is used for detecting the self state and sending a state signal to a self-healing terminal adjacent to the first self-healing terminal, and the self-healing terminal adjacent to the first self-healing terminal is positioned at the middle section of the optical fiber ring network;
the second sending module is used for detecting the self state of each self-healing terminal in a second self-healing terminal group positioned in the middle section of the optical fiber ring network, carrying out logic judgment on the state sent by the self-healing terminal adjacent to the upper side, and sending a state signal to the self-healing terminal adjacent to the lower side;
and the determining module is used for detecting the self state and carrying out logic judgment on the state sent by the self-healing terminal adjacent to the self state by the third self-healing terminal at the tail end of the optical fiber ring network, determining the running state of the system, and the self-healing terminal adjacent to the second self-healing terminal is located in the middle section of the optical fiber ring network.
In a third aspect, the present invention is directed to a computer-readable storage medium, on which a computer program is stored, the computer program, when executed by a processor, implementing the method as described above.
The invention has the advantages that:
(1) the self-healing terminals in different switch stations in the whole self-healing system are connected by optical cables in a hand-in-hand mode to form an optical fiber ring network, the self-healing terminals sort information of the stations and information of two adjacent switch stations and then send the information to the two adjacent switch stations, when one side of the optical fiber is abnormal, signals send the information to the designated self-healing terminal through the other side of the ring network, accurate and timely response is ensured when the abnormality occurs, the fault is correctly isolated, the power supply is recovered, when the abnormality occurs in one optical fiber in the system, the operation of the whole system is not influenced, the field is easy to realize, the reliability is high, and the application prospect is good.
(2) For one station, some signals can only be read, some signals can be read and written, the whole system can conveniently carry out information arrangement by distinguishing the read-write permission of the public signals, and the self-healing terminal with the tail end determines the operation mode.
(3) The invention collects the information of the whole system and sends the information to the self-healing terminal at the tail end of the optical fiber ring network for processing, and can process the condition that a plurality of ring opening points exist.
(4) For detecting the charging and discharging conditions, the self-healing terminal at the head end of the optical fiber ring network initiates the detection to gradually detect the charging and discharging conditions of each station, and the self-healing terminal at the tail end of the optical fiber ring network performs unified processing.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a flowchart of a method for information interaction among stations in a self-healing system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an optical fiber ring network structure according to an embodiment of the present invention;
FIG. 3 is a communication flow chart of information interaction between respective terminals according to one embodiment of the present invention;
fig. 4 is a structural diagram of a device for information interaction between stations in the self-healing system according to the second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a first embodiment of the present invention discloses a method for information interaction among stations in a self-healing system, wherein self-healing terminals in different switching stations in the self-healing system are connected by an optical cable hand-pulling hand to form an optical fiber ring network, and the method includes the following steps:
s10, a first self-healing terminal at the head end of the optical fiber ring network detects the self state and sends a state signal to the self-healing terminal adjacent to the self state, and the self-healing terminal adjacent to the first self-healing terminal is located in the middle section of the optical fiber ring network.
S20, detecting the self state by each self-healing terminal in the second self-healing terminal group positioned in the middle section of the optical fiber ring network, carrying out logic judgment on the state sent by the upper adjacent self-healing terminal, and sending a state signal to the lower adjacent self-healing terminal.
S30, a third self-healing terminal at the tail end of the optical fiber ring network detects the self state and carries out logic judgment on the state sent by the self-healing terminal adjacent to the self state, the running state of the system is determined, and the self-healing terminal adjacent to the second self-healing terminal is located in the middle section of the optical fiber ring network.
In the embodiment, the self-healing terminals in different switch stations in the whole self-healing system are connected by optical cables in a hand-in-hand mode to form an optical fiber ring network, the self-healing terminals sort the information of the station where the self-healing terminals are located and the received information of two adjacent switch stations and then send the information to the two adjacent switch stations, due to the adoption of a serial communication mode, when one side of the optical fiber is abnormal, a signal is sent to a designated self-healing terminal through the other side of the ring network, so that the accurate and timely response can be ensured when the abnormality occurs, the fault is correctly isolated, the power supply is recovered, when one optical fiber in the system is abnormal, the operation of the whole system is not influenced, the field is easy to realize, the reliability is high,
in some embodiments, the method further comprises:
allocating IDs to the respective healed terminals in the optical fiber ring network in advance;
and judging the self-healing terminal adjacent to the current self-healing terminal according to the ID of the self-healing terminal.
In some embodiments, said pre-assigning IDs to respective end terminals in the optical ring network comprises:
and regarding the optical cable between the self-healing terminals, regarding the self-healing terminals connected on the same cable as adjacent terminals and distributing the ID.
Specifically, as shown in fig. 2, taking a self-healing system composed of 4 stations as an example, taking the self-healing terminal connected to the same cable as an adjacent terminal, assigning an ID number to the self-healing terminal is: equipment 0, equipment 1, equipment 2, equipment 3 think equipment 0 is the head end, and equipment 3 sets up to the tail end, the self-healing terminal of 2 optical ring net interlude of equipment 1 and equipment. Such as: the self-healing system guarantees entire system 'S power supply by the dual supply, and when one side broke down, the open loop point combined floodgate, by the opposite side power supply, entire system' S head end is power S1 again up, and the tail end is power S4 down again, so pass through the cable with the power and directly link to each other be head end and tail end, the order can be changed, the ID order that fig. 2 shows is 0, 1, 2, 3, also can be 3, 2, 1, 0.
Particularly, in a general switchyard including two self-healing terminals, as shown in fig. 2, the self-healing terminals on the outer sides in different switchyards are connected by cables, the self-healing terminals in the memory are connected by cables, and the ID numbers assigned to the self-healing terminals in the same switchyard are the same.
It should be noted that, in this embodiment, the adjacent self-healing terminals are determined by the ID numbers assigned in advance, rather than by whether the optical fibers are directly connected, and when an optical fiber on one side is abnormal, a signal may send information to the self-healing terminal with the specified ID through the other side of the ring network. Such as: as shown in fig. 2, when the device 0 sends a signal to the device 1, if an optical fiber between the device 0 and the device 1 is abnormal, the device 1 can send a signal to the device 0 through the device 3 and the device 2, so as to ensure that the operation of the whole system is not affected.
In some embodiments, the status signal is a common signal for distinguishing read and write authorities, and includes:
the signal can be charged, and the read-write authority is that each station can read and write;
the discharge signal exists, and the read-write authority is that each station can read and write;
the operation mode signal, the read-write authority is that only the open loop point can be written, and the other stations can only read;
the open-loop point position signals have the read-write permission that only the open-loop point can be written and the other stations can only read;
the number of open-loop points is the signal, the read-write authority is that only the open-loop points can be written, and the other stations can only read;
the charging completion signal indicates that the read-write permission is that only the tail end can be written and the rest stations can only read;
the system operation mode signal, the read-write authority is that only the tail end can be written, and the other stations can only read;
the system opens the loop point position signal, the read-write authority is that only the tail end can be written, and the other stations can only read.
It should be noted that, for one station, some signals are only readable and some signals are readable and writable, in this embodiment, the readable and writable authority of the common signal is defined by configuring a message, so that the whole system can conveniently perform signal sorting, and the self-healing terminal at the tail end can quickly receive the operation condition of the whole system to process and determine the operation state of the system.
In some embodiments, in the step S10, the first self-healing terminal located at the head end of the optical fiber ring network detects a self-healing state and sends a state signal to a self-healing terminal adjacent to the first self-healing terminal, including the following steps:
the first self-healing terminal detects the self-discharge state and sends a state signal to the self-healing terminal adjacent to the first self-healing terminal in the middle section of the optical fiber ring network;
if the first self-healing terminal is an open-loop point, the state signal comprises the operation mode signal, an open-loop point position signal and an open-loop point quantity signal.
In some embodiments, in step S20, the second self-healing terminal group includes at least one self-healing terminal, and the self-healing terminal detects its own state, makes a logical judgment on the state sent by the upper-side neighboring self-healing terminal, and sends a state signal to the lower-side neighboring self-healing terminal, including the following steps:
the self-healing terminal analyzes the self state and the state sent by the self-healing terminal adjacent to the upper side, and if both the self-healing terminal and the self-healing terminal can be charged, the self-healing terminal sends the self-station chargeable signal to the self-healing terminal adjacent to the lower side;
if any one of the two terminals is the discharging signal, the self-healing terminal sends the discharging signal to the self-healing terminal adjacent to the lower side;
if the self-healing terminal is the ring-opening point, then the self-healing terminal writes the state signal extremely the adjacent self-healing terminal of downside, this department state signal include the running mode signal ring-opening point position signal with ring-opening point number signal, wherein ring-opening point number signal equals the ring-opening point number that the adjacent self-healing terminal of upside sent comes adds 1.
In some embodiments, in the step S30, the third self-healing terminal located at the tail end of the optical fiber ring network detects a self-healing state and performs a logic judgment on a state sent by the self-healing terminal adjacent to the self-healing terminal, and determines an operation state of the system, including the following steps:
if the third self-healing terminal is an open-loop point, the third self-healing terminal determines that the running state comprises the running mode signal, the open-loop point position signal and the open-loop point quantity signal, wherein the open-loop point quantity signal is equal to the sum of 1 and the number of open-loop points sent by the self-healing terminal adjacent to the third self-healing terminal;
if the third self-healing terminal and the self-healing terminal of the third self-healing terminal vector can be charged and do not have the discharge signal and the number of the open loop points read by the third self-healing terminal is 1, the third self-healing terminal determines that the running state comprises the charging completion, the system running mode and the open loop point position of the system.
As shown in fig. 2 to 3, the whole self-healing system composed of 4 stations is charged and discharged as an example:
(1) the device 0 detects the self charge-discharge state and automatically sends a signal to the device 1; if the device 0 is an open-loop point, the device 0 can write signals of a running mode, an open-loop point position and an open-loop point quantity to be sent to the device 1;
(2) the device 1 analyzes the signals of the device 0 and the device 1, and if the device 0 and the device 1 can be charged, the device 1 sends a 'local station charging' signal to the device 2; if any one of the equipment 0 and the equipment 1 has a discharging signal, the equipment 1 sends a discharging signal to the equipment 2; if the device 1 is an open-loop point, the device 1 can write a running mode, an open-loop point position and an open-loop point quantity, wherein the open-loop point quantity is equal to the quantity sent by the device 0 plus 1 and is sent to the device 2;
(3) after the device 1 finishes processing, the device 1 automatically sends a signal to the device 2, the device 2 analyzes the signals of the device 1 and the device 2, and if the device 1 and the device 2 can be charged, the device 2 sends a 'local station charging' signal to the device 3; if any one of the equipment 1 and the equipment 2 has a discharging signal, the equipment 2 sends a discharging signal to the equipment 3; if the device 2 is an open-loop point, the device 2 can write a running mode, an open-loop point position and an open-loop point quantity, wherein the open-loop point quantity is equal to the quantity sent by the device 2 plus 1 and is sent to the device 3;
(3) after the device 2 finishes processing, the device 3 automatically sends a signal to the device 3, the device 3 analyzes the signal of the device 2 and the signal of the device 3, if the device 3 is an open-loop point, the device 3 can write a running mode, an open-loop point position and an open-loop point quantity, wherein the open-loop point quantity is equal to the quantity added by 1, which is sent by the device 2; if both the device 2 and the device 3 can be charged and both the device 2 and the device 3 do not have a discharging signal, and meanwhile the device 3 reads that the number of the open-loop points is equal to 1, the device 3 writes that the charging is completed, the system operation mode and the system open-loop point position are sent to the device 2, the device 2 sends to the device 1, and the device 1 sends to the device 0.
Therefore, in this embodiment, all the self-healing terminals operate according to the signal indication of "charging completion", "system operation mode", and "system open-loop point position", and can be charged together and operate in a unified state.
In some embodiments, the method further comprises:
and the third self-healing terminal sequentially sends the determined running states to the first self-healing terminal.
It should be noted that, as shown in fig. 3, after determining the operating state of the system, the third self-healing terminal, for example, the device 3, writes the operating state of the system and sends information to the self-healing terminal, for example, the device 2, in the middle section of the optical fiber ring network, the device 2 adjusts according to the operating state of the system sent by the device 3 and sends operating state information to the device 1, and the device 1 adjusts according to the operating state sent by the device 2 and sends the operating state to the device 0, that is, the head-end device, so that the device 0 adjusts according to the operating state of the system sent by the device 1.
In some embodiments, the self-healing terminal is internally provided with the FPGA, and performs point-to-point data transmission through the FPGA, so that compared with a conventional goose network, the speed is high, and a network storm cannot be generated.
As shown in fig. 4, a second embodiment of the present invention discloses a device for information interaction among stations in a self-healing system, wherein self-healing terminals in different switching stations in the self-healing system are connected by an optical cable hand-pulling hand to form an optical fiber ring network, and the device includes:
the first sending module 10 is configured to detect a self-healing state and send a state signal to a self-healing terminal adjacent to the first self-healing terminal, where the first self-healing terminal adjacent to the first self-healing terminal is located in the middle section of the optical fiber ring network;
the second sending module 20 is configured to detect a self-healing terminal in a second self-healing terminal group located in the middle section of the optical fiber ring network, perform logical judgment on a state sent by an upper-side adjacent self-healing terminal, and send a state signal to a lower-side adjacent self-healing terminal;
the determining module 30 is configured to detect a self state and perform logic judgment on a state sent by the self-healing terminal adjacent to the self state, and determine an operating state of the system, where the self-healing terminal adjacent to the second self-healing terminal is located in the middle section of the optical fiber ring network.
In the embodiment, the self-healing terminals in different switch stations in the whole self-healing system are connected by optical cables in a hand-in-hand mode to form an optical fiber ring network, the self-healing terminals sort the information of the station where the self-healing terminals are located and the received information of two adjacent switch stations and then send the information to the two adjacent switch stations, due to the adoption of a serial communication mode, when one side of the optical fiber is abnormal, a signal is sent to a designated self-healing terminal through the other side of the ring network, so that the accurate and timely response can be ensured when the abnormality occurs, the fault is correctly isolated, the power supply is recovered, when one optical fiber in the system is abnormal, the operation of the whole system is not influenced, the field is easy to realize, the reliability is high,
in some embodiments, the apparatus further comprises an ID assignment module to:
allocating IDs to the respective healed terminals in the optical fiber ring network in advance;
and judging the self-healing terminal adjacent to the current self-healing terminal according to the ID of the self-healing terminal.
Specifically, for the optical cable between the self-healing terminals, the self-healing terminals connected on the same cable are regarded as adjacent terminals and the ID is assigned.
In some embodiments, the apparatus further includes an authority determining module, configured to determine a read-write authority of the common signal, specifically:
the signal can be charged, and the read-write authority is that each station can read and write;
the discharge signal exists, and the read-write authority is that each station can read and write;
the operation mode signal, the read-write authority is that only the open loop point can be written, and the other stations can only read;
the open-loop point position signals have the read-write permission that only the open-loop point can be written and the other stations can only read;
the number of open-loop points is the signal, the read-write authority is that only the open-loop points can be written, and the other stations can only read;
the charging completion signal indicates that the read-write permission is that only the tail end can be written and the rest stations can only read;
the system operation mode signal, the read-write authority is that only the tail end can be written, and the other stations can only read;
the system opens the loop point position signal, the read-write authority is that only the tail end can be written, and the other stations can only read.
In some embodiments, the first sending module 10 is specifically configured to:
the first self-healing terminal detects the self-discharge state and sends a state signal to the self-healing terminal adjacent to the first self-healing terminal in the middle section of the optical fiber ring network;
if the first self-healing terminal is an open-loop point, the state signal comprises the operation mode signal, an open-loop point position signal and an open-loop point quantity signal.
In some embodiments, the second sending module 20 is specifically configured to:
the self-healing terminal analyzes the self state and the state sent by the self-healing terminal adjacent to the upper side, and if both the self-healing terminal and the self-healing terminal can be charged, the self-healing terminal sends the self-station chargeable signal to the self-healing terminal adjacent to the lower side;
if any one of the two terminals is the discharging signal, the self-healing terminal sends the discharging signal to the self-healing terminal adjacent to the lower side;
if the self-healing terminal is the ring-opening point, then the self-healing terminal writes the state signal extremely the adjacent self-healing terminal of downside, this department state signal include the running mode signal ring-opening point position signal with ring-opening point number signal, wherein ring-opening point number signal equals the ring-opening point number that the adjacent self-healing terminal of upside sent comes adds 1.
In some embodiments, the determining module 30 is specifically configured to:
if the third self-healing terminal is an open-loop point, the third self-healing terminal determines that the running state comprises the running mode signal, the open-loop point position signal and the open-loop point quantity signal, wherein the open-loop point quantity signal is equal to the sum of 1 and the number of open-loop points sent by the self-healing terminal adjacent to the third self-healing terminal;
if the third self-healing terminal and the self-healing terminal of the third self-healing terminal vector can be charged and do not have the discharge signal and the number of the open loop points read by the third self-healing terminal is 1, the third self-healing terminal determines that the running state comprises the charging completion, the system running mode and the open loop point position of the system.
In some embodiments, the apparatus further includes a state synchronization module, specifically configured to:
and the third self-healing terminal sequentially sends the determined running states to the first self-healing terminal.
It should be noted that the device for information interaction between stations in the self-healing system disclosed in this embodiment corresponds to the method for information interaction between stations in the self-healing system disclosed in the first embodiment, and has corresponding technical features and effects, which are not described herein again.
The third embodiment of the present invention also discloses a computer readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the method as described above
It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A method for information interaction among stations in a self-healing system is characterized in that self-healing terminals in different switch stations in the self-healing system are connected through an optical cable hand-pulling hand to form an optical fiber ring network, and the method comprises the following steps:
the first self-healing terminal is positioned at the head end of the optical fiber ring network, detects the self state and sends a state signal to the self-healing terminal adjacent to the first self-healing terminal, and the self-healing terminal adjacent to the first self-healing terminal is positioned at the middle section of the optical fiber ring network;
the self-healing terminals in the second self-healing terminal group positioned in the middle section of the optical fiber ring network detect the self states, logically judge the states sent by the self-healing terminals adjacent to the upper side and send state signals to the self-healing terminals adjacent to the lower side;
and the third self-healing terminal at the tail end of the optical fiber ring network detects the self state and performs logic judgment on the state sent by the self-healing terminal adjacent to the third self-healing terminal, so that the running state of the system is determined, and the self-healing terminal adjacent to the second self-healing terminal is located in the middle section of the optical fiber ring network.
2. The method for information interaction among stations in a self-healing system according to claim 1, wherein the method further comprises:
allocating IDs to the respective healed terminals in the optical fiber ring network in advance;
and judging the self-healing terminal adjacent to the current self-healing terminal according to the ID of the self-healing terminal.
3. The method according to claim 2, wherein the pre-assigning IDs to the respective healed terminals in the optical fiber ring network comprises:
and regarding the optical cable between the self-healing terminals, regarding the self-healing terminals connected on the same cable as adjacent terminals and distributing the ID.
4. The method according to claim 1, wherein the status signal is a common signal for distinguishing read/write rights, and comprises:
the signal can be charged, and the read-write authority is that each station can read and write;
the discharge signal exists, and the read-write authority is that each station can read and write;
the operation mode signal, the read-write authority is that only the open loop point can be written, and the other stations can only read;
the open-loop point position signals have the read-write permission that only the open-loop point can be written and the other stations can only read;
the number of open-loop points is the signal, the read-write authority is that only the open-loop points can be written, and the other stations can only read;
the charging completion signal indicates that the read-write permission is that only the tail end can be written and the rest stations can only read;
the system operation mode signal, the read-write authority is that only the tail end can be written, and the other stations can only read;
the system opens the loop point position signal, the read-write authority is that only the tail end can be written, and the other stations can only read.
5. The method according to claim 4, wherein the step of detecting the self-healing state and sending the state signal to the self-healing terminal adjacent to the first self-healing terminal at the head end of the optical fiber ring network comprises:
the first self-healing terminal detects the self-discharge state and sends a state signal to the self-healing terminal adjacent to the first self-healing terminal in the middle section of the optical fiber ring network;
if the first self-healing terminal is an open-loop point, the state signal comprises the operation mode signal, an open-loop point position signal and an open-loop point quantity signal.
6. The method according to claim 1, wherein the second group of self-healing terminals includes at least one self-healing terminal, the self-healing terminal detects a self-healing state and makes a logical decision on a state sent by an upper-side neighboring self-healing terminal, and sending a state signal to a lower-side neighboring self-healing terminal includes:
the self-healing terminal analyzes the self state and the state sent by the self-healing terminal adjacent to the upper side, and if both the self-healing terminal and the self-healing terminal can be charged, the self-healing terminal sends the self-station chargeable signal to the self-healing terminal adjacent to the lower side;
if any one of the two terminals is the discharging signal, the self-healing terminal sends the discharging signal to the self-healing terminal adjacent to the lower side;
if the self-healing terminal is the ring-opening point, then the self-healing terminal writes the state signal extremely the adjacent self-healing terminal of downside, this department state signal include the running mode signal ring-opening point position signal with ring-opening point number signal, wherein ring-opening point number signal equals the ring-opening point number that the adjacent self-healing terminal of upside sent comes adds 1.
7. The method according to claim 1, wherein the step of the third self-healing terminal located at the tail end of the optical fiber ring network detecting the self-healing terminal and performing logic judgment on the state sent by the self-healing terminal adjacent to the third self-healing terminal to determine the operating state of the system includes:
if the third self-healing terminal is an open-loop point, the third self-healing terminal determines that the running state comprises the running mode signal, the open-loop point position signal and the open-loop point quantity signal, wherein the open-loop point quantity signal is equal to the sum of 1 and the number of open-loop points sent by the self-healing terminal adjacent to the third self-healing terminal;
if the third self-healing terminal and the self-healing terminal of the third self-healing terminal vector can be charged and do not have the discharge signal and the number of the open loop points read by the third self-healing terminal is 1, the third self-healing terminal determines that the running state comprises the charging completion, the system running mode and the open loop point position of the system.
8. The method for information interaction among stations in a self-healing system according to claim 7, wherein the method further comprises:
and the third self-healing terminal sequentially sends the determined running states to the first self-healing terminal.
9. The utility model provides an each station information interaction's device among self-healing system, a serial communication port, connect through optical cable hand in the self-healing system between the self-healing terminal in the different switchyard and constitute the optic fibre looped netowrk, the device includes:
the first sending module is used for detecting the self state and sending a state signal to a self-healing terminal adjacent to the first self-healing terminal, and the self-healing terminal adjacent to the first self-healing terminal is positioned at the middle section of the optical fiber ring network;
the second sending module is used for detecting the self state of each self-healing terminal in a second self-healing terminal group positioned in the middle section of the optical fiber ring network, carrying out logic judgment on the state sent by the self-healing terminal adjacent to the upper side, and sending a state signal to the self-healing terminal adjacent to the lower side;
and the determining module is used for detecting the self state and carrying out logic judgment on the state sent by the self-healing terminal adjacent to the self state by the third self-healing terminal at the tail end of the optical fiber ring network, determining the running state of the system, and the self-healing terminal adjacent to the second self-healing terminal is located in the middle section of the optical fiber ring network.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1-8.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5901137A (en) * | 1995-05-10 | 1999-05-04 | Nec Corporation | Control signal transferring system |
| CN204425051U (en) * | 2015-02-13 | 2015-06-24 | 南京大全自动化科技有限公司 | Power distribution network Intelligent feeder line self-healing system |
| CN108736476A (en) * | 2018-07-04 | 2018-11-02 | 国电南瑞科技股份有限公司 | Power grid self-healing system and method based on match cognization Yu multiple agent hybrid algorithm |
| CN111682508A (en) * | 2020-04-10 | 2020-09-18 | 南京智汇电力技术有限公司 | Differential protection and rapid self-healing method suitable for regional power distribution network |
| CN113013851A (en) * | 2021-01-21 | 2021-06-22 | 上海施耐德电气电力自动化有限公司 | Distributed intelligent power distribution automation system |
-
2021
- 2021-12-09 CN CN202111500129.5A patent/CN114244440B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5901137A (en) * | 1995-05-10 | 1999-05-04 | Nec Corporation | Control signal transferring system |
| CN204425051U (en) * | 2015-02-13 | 2015-06-24 | 南京大全自动化科技有限公司 | Power distribution network Intelligent feeder line self-healing system |
| CN108736476A (en) * | 2018-07-04 | 2018-11-02 | 国电南瑞科技股份有限公司 | Power grid self-healing system and method based on match cognization Yu multiple agent hybrid algorithm |
| CN111682508A (en) * | 2020-04-10 | 2020-09-18 | 南京智汇电力技术有限公司 | Differential protection and rapid self-healing method suitable for regional power distribution network |
| CN113013851A (en) * | 2021-01-21 | 2021-06-22 | 上海施耐德电气电力自动化有限公司 | Distributed intelligent power distribution automation system |
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