CN105704038A - Communication fault method for temporary supply guaranteeing power grid - Google Patents
Communication fault method for temporary supply guaranteeing power grid Download PDFInfo
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- CN105704038A CN105704038A CN201610044622.3A CN201610044622A CN105704038A CN 105704038 A CN105704038 A CN 105704038A CN 201610044622 A CN201610044622 A CN 201610044622A CN 105704038 A CN105704038 A CN 105704038A
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- multiplexer
- control centre
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
Abstract
The invention relates to a communication fault method for a temporary supply guaranteeing power grid, and belongs to the technical field of communication control. According to the invention, detection equipment and a control center carry out communication according to the following steps: 1), building a communication network between the detection equipment and the control center; 2), initializing a routing table; 3), monitoring an operation state. The method employs an electric data transmission network of the supply guaranteeing power grid, is higher in communication reliability, is higher in applicability for temporary networking, and has expansibility and flexibility.
Description
Technical field
The present invention relates to a kind of communication guarantee method, belong to Communication Control Technology field。
Background technology
In power system, it is necessary to important client is comprehensively protected electricity, often it is designed planning in the early stage, it is achieved ensure supply of electric power and need for electricity。It is such as to consider to protect how electricity monitoring device is distributed certain building electrical network being done planning layout。
Above measure can meet the demand solving the client that electricity protected for a long time by needs, but needs the interim client protecting electricity for some, then want troublesome many, for instance electricity is protected in the Olympic Games, electricity is protected in World Expo, electricity is protected in the Asian Games or other occasions protect electricity。The above large-scale activity all there are some common features such as, ageing, provisional, workload is big, arduous task and needs are guaranteed both quality and quantity completes task。Therefore protecting electricity equipment for particular arrangement, to be monitored cost just relatively larger, and used device is difficult to recovery and causes the wasting of resources after activity end, it is therefore desirable to interim guarantor's electricity solves problem above。
Interim electricity of protecting is that a kind of multiplexer with collection transfer function that installs additional on detection equipment realizes, described detection equipment (sensor) including: the equipment of the multiple brands such as multifunctional electric energy meter, electrical parameter metering equipment, it is mainly used for electricity consumption data are measured, the parameter such as record current, voltage, power。And protect that electricity neither be perfect temporarily, how to ensure that interim telecommunication reliability of protecting also is the significant problem needing to solve。
First we should appreciate that router plays vital effect in communication process, and therefore we have to be understood that the operation principle of router, to be better applied in daily Working Life。In a computer network, routing table or title route select domain information storehouse (RIB) is an electrical form being stored in router or Net-connected computer (file) or class data base。Routing table stores the path pointing to particular network address and (in some cases, is also recording the route metric value having path。Metric represents distance, and they are used for determine optimum route when finding route。Each routing algorithm, when producing routing table, can be each and produce a numerical value (metric) by the path of network, and minimum value represents optimal path。Certainly there is also other decision rule, just do not enumerate here。) groundwork of router is exactly find a best transmission path for each packet through router, and these data are effectively transmitted to purpose website。As can be seen here, selecting the strategy of optimal path and routing algorithm is the key point of router。In order to complete this work, the related data routing table (RoutingTable) in store various transmission path in the router, during for Route Selection, the information comprised in table determines the strategy that data forward。The contents such as drawing an analogy, routing table, just as the map of our every day use, identifies various route, the name of the flag information of in store subnet in routing table, the number of web router and next router。Routing table can be fixedly installed by system manager, it is also possible to is revised by system dynamics, it is possible to is automatically adjusted by router, it is also possible to by host computer control (such as being realized by modes such as transmission route discovery orders)。This case just will utilize this characteristic to provide reliable guarantee for the communication network of data transmission。
Because power supply department cannot obtain the electric data message of user, just cannot well ensure supply of electric power, therefore ensure that a communication network transmitted for data reliably is to protecting the significant challenge that electricity proposes。And the communication network protecting electricity is interim structure temporarily, therefore ensure that reliability and stability is just particularly important。How guaranteeing that the real-time Transmission of information sends, the discovery in time of problem solves to become the major issue instantly solved。Only under the premise of the solution of these problems, support of could effective the operational controies such as the dispatching of power netwoks of interim guarantor's electricity, distribution planning, the quality of power supply, network line loss, power supply reliability being submitted necessary information。
Summary of the invention
The technical problem to be solved in the present invention is, not enough for prior art, it is proposed to a kind of reliability is higher, the higher communication guarantee method for protecting electricity electrical network temporarily of self-healing property。
The present invention solves that the technical scheme that above-mentioned technical problem proposes is: a kind of communication guarantee method for protecting electricity electrical network temporarily, described guarantor's electricity electrical network is provided with some for measuring the described detection equipment protecting electricity electrical network electricity data, and is provided with control centre；Described detection equipment and control centre communicate in accordance with the following steps:
1) on described detection equipment, install multiplexer respectively additional, then pass through cable network and be connected to described control centre；Install additional in described control centre and described multiplexer again for storing routing table, there is the router of radio function, all-router composition alternate wireless network；Described multiplexer is for receiving the electric data of Autonomous test equipment, and the electric data received are transferred to described control centre；
2) described control centre initializes described routing table, describes each multiplexer and transmit the transmission path of data to described control centre in described routing table；
3) in running, each multiplexer inquires about described routing table,
1. when upper level is multiplexer, then each multiplexer sends heartbeat signal to its upper level multiplexer, described upper level multiplexer is monitored the heartbeat signal received and records the time, time difference between the adjacent cardiac time relatively received, if the difference between each time difference is less than signa, then judge that the multiplexer sending heartbeat signal is in normal operating condition, does not now update routing table；If the difference between each time difference exceedes signa, then the multiplexer of this transmission heartbeat signal is likely to be at abnormal operating condition, now described upper level multiplexer sends test data to the multiplexer of this transmission heartbeat signal, and etc. the multiplexer of heartbeat signal to be sent give a response；
If described upper level multiplexer receives response in the given time, then judge that the multiplexer of this transmission heartbeat signal is in normal operating condition, the first connection line simultaneously judged between the multiplexer of this transmission heartbeat signal and described upper level multiplexer is in abnormal operating condition, described control centre updates routing table, and described first connection line is excluded described transmission path；
If described upper level multiplexer does not receive response in the given time, then judging that the multiplexer of this transmission heartbeat signal is in abnormal operating condition, described control centre updates routing table, and the multiplexer of this transmission heartbeat signal is excluded whole network；
2. when upper level is control centre, then each multiplexer sends heartbeat signal to control centre, described control centre monitors the heartbeat signal received and records the time, time difference between the adjacent cardiac time relatively received, if the difference between each time difference is less than signa, then judge that the multiplexer sending heartbeat signal is in normal operating condition, does not now update routing table；If the difference between each time difference exceedes signa, then the multiplexer of this transmission heartbeat signal is likely to be at abnormal operating condition, now described control centre sends test data to the multiplexer of this transmission heartbeat signal, and waits that the multiplexer of this transmission heartbeat signal gives a response；
If described control centre receives response in the given time, then judge that the multiplexer of this transmission heartbeat signal is in normal operating condition, the second connection line simultaneously judged between multiplexer and the described control centre of described transmission heartbeat signal is in abnormal operating condition, described control centre updates routing table, and described second connection line is excluded described transmission path；
If described control centre does not receive response in the given time, then judging that the multiplexer of this transmission heartbeat signal is in abnormal operating condition, described control centre updates routing table, and the multiplexer of this transmission heartbeat signal is excluded whole network；
Described first connection line and the second connection line include wire message way and/or wireless channel。
The present invention adopts technique scheme to provide the benefit that: the communication network reliability owing to protecting electricity temporarily is difficult to ensure, therefore the present invention at the beginning of networking just as consideration, it is designed with cable network for the thought that primary wireless network is auxiliary, when cable data normal transmission cannot be ensured, carry out data transmission making up with wireless network, wired, wireless data transmission is complementary, ensure the real-time normal transmission of data, solve transmission channel (transmission path) this problem unreliable。But this has resulted in the problem that there is many transmission paths in network, this problem is solved by the route being integrated on multiplexer, the communication protocol of route and the setting of routing table is utilized to make not interfere with each other between each path, and transmission path is formed (when wired fault with wireless replacement based on wire message way) by multiple channels, got around certain faulty channel or failed equipment provides possibility, thus when breaking down, will not cause cannot be carried out data communication because transmission path fixes, protect electricity data can not transmit in time, then make to protect electricity work and run into obstacle。Whole network is in operation, and can automatically detect, it has been found that problem points, finds out failure cause, and failture evacuation goes out the smoothness of the network guarantee network operation。
The improvement of technique scheme is: the method step 2) in initialize routing table method as follows:
1. when described control centre sends test data by wire message way to next stage multiplexer according to the transmission path in router default routing table,
A. described control centre waits that described next stage multiplexer gives a response,
If described control centre receives response within first scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X；
If described control centre does not receive response within first scheduled time, then described next stage multiplexer is likely to be at abnormal operating condition, performs step b.；
B. described control centre will send test data by the first wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described control centre receives response within second scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described control centre does not receive response within second scheduled time, then described next stage multiplexer is still likely to be at abnormal operating condition, and described first wireless channel is likely to and is in abnormal operating condition, performs step c.；
C. described control centre will send test data by the second wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described control centre receives response within the 3rd scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described control centre does not receive response within the 3rd scheduled time, if then repeating not find, after step c. repeats step c. five times, the wireless channel that test data can be sent yet, then judge that described next stage multiplexer is in abnormal operating condition, judge that the wire message way for sending test data and each wireless channel are in normal operating condition simultaneously, described control centre initializes described routing table, and described next stage multiplexer is excluded whole network；
X. final step,
When by step a. jump procedure X., it is judged that the wire message way for transmitting test data is in normal operating condition, and described routing table does not change；
When by step b. jump procedure X., it is judged that be that the wire message way for transmitting test data is in abnormal operating condition, described control centre initializes described routing table, and the described wire message way being used for transmitting test data is excluded whole network；
When by step c. jump procedure X., judge that the first wireless channel for transmitting test data and the wire message way for transmitting test data are in abnormal operating condition, control centre will initialize routing table, and the wire message way that described first wireless channel and confirmation are in abnormality is excluded whole network；
2. when described multiplexer sends test data by wire message way to next stage multiplexer according to the transmission path in router default routing table,
A. described multiplexer waits that described next stage multiplexer gives a response,
If described multiplexer receives response within first scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X；
If described multiplexer does not receive response within first scheduled time, then described next stage multiplexer is likely to be at abnormal operating condition, performs step b.；
B. described multiplexer will send test data by the first wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described multiplexer receives response within second scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described multiplexer does not receive response within second scheduled time, then described next stage multiplexer is still likely to be at abnormal operating condition, and described first wireless channel is likely to and is in abnormal operating condition, performs step c.；
C. described multiplexer will send test data by the second wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described multiplexer receives response within the 3rd scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described multiplexer does not receive response within the 3rd scheduled time, if then repeating not find, after step c. repeats step c. five times, the wireless channel that test data can be sent yet, then judge that described next stage multiplexer is in abnormal operating condition, judge that the wire message way for sending test data and each wireless channel are in normal operating condition simultaneously, described control centre initializes described routing table, and described next stage multiplexer is excluded whole network；
X. final step,
When by step a. jump procedure X., it is judged that the wire message way for transmitting test data is in normal operating condition, and described routing table does not change；
When by step b. jump procedure X., it is judged that be that the wire message way for transmitting test data is in abnormal operating condition, described control centre initializes described routing table, and the described wire message way being used for transmitting test data is excluded whole network；
When by step c. jump procedure X., judge that the first wireless channel for transmitting test data and the wire message way for transmitting test data are in abnormal operating condition, control centre will initialize routing table, and the wire message way that described first wireless channel and confirmation are in abnormality is excluded whole network；
Complete the initialization of routing table。
The improvement of technique scheme is: described first scheduled time, described second scheduled time was less than described 3rd scheduled time less than described second scheduled time。
The present invention adopts technique scheme to provide the benefit that: by repeatedly investigating, find out question classification, it is determined that the situation at the beginning of networking, in order to the guarantor's electricity communication system of power grids system temporarily built can put into operation as early as possible。Because being interim networking, it cannot be guaranteed that equipment is all normal operation, and inspection its workload of each equipment one by one is excessively huge, project progress is incured loss through delay, this technological improvement of the present invention is through checking repeatedly and fixes a breakdown a little, and routing table is being updated, with this come faster set up one can the communication network of unobstructed transmission data, the workload reduced a staff。
The improvement of technique scheme is: when there being multiplexer need to add network, this multiplexer submits, to described control centre, the application that networks by cable network to, described control centre receives after this networking application other multiplexers in network and sends route discovery order, and updates routing table。
The present invention adopts technique scheme to provide the benefit that: in above-mentioned technical scheme; trouble point is only be excluded from network; but do not mention and how equipment is added network; in technique scheme; while namely whole communication network can keep interim guarantor's electricity electric network data transmission under not stopped status; device after operation maintenance or new device are linked into again in network and use; this improvement makes the higher more flexible production application being more suitable for reality of present networks autgmentability, overcomes interim provisional the brought problem protecting electricity。
The improvement of technique scheme is: described multiplexer is to gather data and transmit data integrated device。
The present invention adopts technique scheme to provide the benefit that: also can transmit owing to multiplexer can gather, and therefore each multiplexer is collection point is also relay point。
The improvement of technique scheme is: described router selects wireless channel according to metric size, and the metric of described first wireless channel is minimum, and the metric of described second channel is more than the metric of described first wireless channel。
The present invention adopts technique scheme to provide the benefit that: utilize router its own protocol, it is judged that metric size, determines the stability of the wireless channel set up with this。That set up, stable wireless channel can largely reduce the bit error rate of data transmission, guarantee accuracy and reliability that data transmit, will not wireless channel itself owing to being used for substituting faulty channel is unstable and the situation appearance that cause transmission reliability to reduce。
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the communication network work main-process stream schematic diagram of the present invention。
The communication network that Fig. 2 is the present invention monitors schematic flow sheet in real time。
The communication network that Fig. 3 is the present invention initializes schematic flow sheet。
Detailed description of the invention
Embodiment
The multiplexer that the present embodiment uses is to be integrated with MCU module, router and the first communication module coordinated with MCU module and the second communication module, thus realizing transmission and gathering, first communication module is used for downlink data transmission, second communication module is used for transmitting uplink data, communication module is according to the work of UART communications protocol, the signal code of wire transmission mode is 4-20mA, wireless mode is with 2.4G wireless module or 470M wireless module, specifically determine, the radio band that selected interference is less according to field condition。The electrical equipment real time information that the second communication module collection of descending use is collected by on-the-spot various kinds of sensors, and transmit, to next multiplexer, the data collected by up second communication module while being stored in local big storage。Describe for convenience and understand this case and multiplexer and router are isolated multiplexer, and utilize each agreement of bridge joint and router between router to be operated。
The one of the present embodiment protects electricity communication system of power grids support method for interim, Fig. 1 is that communication network initializes and operational process schematic diagram, protect and electricity electrical network is provided with some detection equipment for measuring described guarantor's electricity electrical network electricity data, the i.e. on-the-spot all kinds of sensors for receiving collecting device real time information, and it is provided with control centre, supervisory function bit plays in control centre, and there is the address information of some necessity in control centre, the data message that each multiplexer collects from sensor will be aggregated into control centre, control centre is then management and the on-the-spot master control end run of planning guarantor's electricity, detection equipment and control centre communicate in accordance with the following steps:
1) on described detection equipment, install multiplexer respectively additional, then pass through cable network and be connected to described control centre；Install additional in described control centre and described multiplexer again for storing routing table, there is the router of radio function, all-router composition alternate wireless network；Described multiplexer is for receiving the electric data of Autonomous test equipment, and the electric data received are transferred to described control centre；
2) described control centre initializes described routing table, describes each multiplexer and transmit the transmission path of data to described control centre in described routing table；
Initialized step is as follows:
201 when described control centre sends test data by wire message way to next stage multiplexer according to the transmission path in router default routing table,
A. described control centre waits that described next stage multiplexer gives a response,
If described control centre receives response within first scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X；
If described control centre does not receive response within first scheduled time, then described next stage multiplexer is likely to be at abnormal operating condition, performs step b.；
B. described control centre will send test data by the first wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described control centre receives response within second scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described control centre does not receive response within second scheduled time, then described next stage multiplexer is still likely to be at abnormal operating condition, and described first wireless channel is likely to and is in abnormal operating condition, performs step c.；
C. described control centre will send test data by the second wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described control centre receives response within the 3rd scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described control centre does not receive response within the 3rd scheduled time, if then repeating not find, after step c. repeats step c. five times, the wireless channel that test data can be sent yet, then judge that described next stage multiplexer is in abnormal operating condition, judge that the wire message way for sending test data and each wireless channel are in normal operating condition simultaneously, described control centre initializes described routing table, and described next stage multiplexer is excluded whole network；
X. final step,
When by step a. jump procedure X., it is judged that the wire message way for transmitting test data is in normal operating condition, and described routing table does not change；
When by step b. jump procedure X., it is judged that be that the wire message way for transmitting test data is in abnormal operating condition, described control centre initializes described routing table, and the described wire message way being used for transmitting test data is excluded whole network；
When by step c. jump procedure X., judge that the first wireless channel for transmitting test data and the wire message way for transmitting test data are in abnormal operating condition, control centre will initialize routing table, and the wire message way that described first wireless channel and confirmation are in abnormality is excluded whole network；
202 when described multiplexer sends test data by wire message way to next stage multiplexer according to the transmission path in router default routing table,
A. described multiplexer waits that described next stage multiplexer gives a response,
If described multiplexer receives response within first scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X；
If described multiplexer does not receive response within first scheduled time, then described next stage multiplexer is likely to be at abnormal operating condition, performs step b.；
B. described multiplexer will send test data by the first wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described multiplexer receives response within second scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described multiplexer does not receive response within second scheduled time, then described next stage multiplexer is still likely to be at abnormal operating condition, and described first wireless channel is likely to and is in abnormal operating condition, performs step c.；
C. described multiplexer will send test data by the second wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described multiplexer receives response within the 3rd scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described multiplexer does not receive response within the 3rd scheduled time, if then repeating not find, after step c. repeats step c. five times, the wireless channel that test data can be sent yet, then judge that described next stage multiplexer is in abnormal operating condition, judge that the wire message way for sending test data and each wireless channel are in normal operating condition simultaneously, described control centre initializes described routing table, and described next stage multiplexer is excluded whole network；
X. final step,
When by step a. jump procedure X., it is judged that the wire message way for transmitting test data is in normal operating condition, and described routing table does not change；
When by step b. jump procedure X., it is judged that be that the wire message way for transmitting test data is in abnormal operating condition, described control centre initializes described routing table, and the described wire message way being used for transmitting test data is excluded whole network；
When by step c. jump procedure X., judge that the first wireless channel for transmitting test data and the wire message way for transmitting test data are in abnormal operating condition, control centre will initialize routing table, and the wire message way that described first wireless channel and confirmation are in abnormality is excluded whole network；
Complete the initialization of routing table；
3) in running, each multiplexer inquires about described routing table,
301 when upper level is multiplexer, then each multiplexer sends heartbeat signal to its upper level multiplexer, described upper level multiplexer is monitored the heartbeat signal received and records the time, time difference between the adjacent cardiac time relatively received, if the difference between each time difference is less than signa, then judge that the multiplexer sending heartbeat signal is in normal operating condition, does not now update routing table；If the difference between each time difference exceedes signa, then the multiplexer of this transmission heartbeat signal is likely to be at abnormal operating condition, now described upper level multiplexer sends test data to the multiplexer of this transmission heartbeat signal, and etc. the multiplexer of heartbeat signal to be sent give a response；
If described upper level multiplexer receives response in the given time, then judge that the multiplexer of this transmission heartbeat signal is in normal operating condition, the first connection line simultaneously judged between the multiplexer of this transmission heartbeat signal and described upper level multiplexer is in abnormal operating condition, described control centre updates routing table, and described first connection line is excluded described transmission path；
If described upper level multiplexer does not receive response in the given time, then judging that the multiplexer of this transmission heartbeat signal is in abnormal operating condition, described control centre updates routing table, and the multiplexer of this transmission heartbeat signal is excluded whole network；
302 when upper level be control centre, then each multiplexer sends heartbeat signal to control centre, described control centre monitors the heartbeat signal received and records the time, time difference between the adjacent cardiac time relatively received, if the difference between each time difference is less than signa, then judge that the multiplexer sending heartbeat signal is in normal operating condition, does not now update routing table；If the difference between each time difference exceedes signa, then the multiplexer of this transmission heartbeat signal is likely to be at abnormal operating condition, now described control centre sends test data to the multiplexer of this transmission heartbeat signal, and waits that the multiplexer of this transmission heartbeat signal gives a response；
If described control centre receives response in the given time, then judge that the multiplexer of this transmission heartbeat signal is in normal operating condition, the second connection line simultaneously judged between multiplexer and the described control centre of described transmission heartbeat signal is in abnormal operating condition, described control centre updates routing table, and described second connection line is excluded described transmission path；
If described control centre does not receive response in the given time, then judging that the multiplexer of this transmission heartbeat signal is in abnormal operating condition, described control centre updates routing table, and the multiplexer of this transmission heartbeat signal is excluded whole network；
Described first connection line and the second connection line include wire message way and/or wireless channel。
First scheduled time in the present embodiment, second scheduled time was less than the 3rd scheduled time less than second scheduled time。Interval time is stepped up, in order to avoid responding, because of equipment, the erroneous judgement caused that goes wrong。
When the present embodiment has multiplexer need to add network, this multiplexer submits, to control centre, the application that networks by cable network to, and control centre receives after this networking application other multiplexers in network and sends route discovery order, and updates routing table。The multiplexer that need to add network mentioned here refers to, the multiplexer rejoined after the new multiplexer accessing network or troubleshooting。
The multiplexer of the present embodiment is to gather data and transmit data integrated device as previously mentioned。
Router in the present embodiment selects wireless channel according to metric size, and the metric of the first wireless channel is minimum, and the metric of second channel is more than the metric of the first wireless channel。
Can be seen that from embodiments of the invention, the present invention can realize in a software form, can also realize in the form of hardware, can certainly soft or hard combine mode realize, but finally realize in which way, see the main body basis concrete condition comprehensive consideration implementing the method, take its economic form easily to be achieved, certainly in every present invention of using, the way of realization of mentioned method all should fall into the realizing in scope of the present invention, and should not be limited only to this kind of situation described in the embodiment of the present invention。
Claims (6)
1., for the interim communication guarantee method protecting electricity electrical network, described guarantor's electricity electrical network is provided with some for measuring the described detection equipment protecting electricity electrical network electricity data, and is provided with control centre；It is characterized in that, described detection equipment and control centre communicate in accordance with the following steps:
1) on described detection equipment, install multiplexer respectively additional, then pass through cable network and be connected to described control centre；Install additional in described control centre and described multiplexer again for storing routing table, there is the router of radio function, all-router composition alternate wireless network；Described multiplexer is for receiving the electric data of Autonomous test equipment, and the electric data received are transferred to described control centre；
2) described control centre initializes described routing table, describes each multiplexer and transmit the transmission path of data to described control centre in described routing table；
3) in running, each multiplexer inquires about described routing table,
1. when upper level is multiplexer, then each multiplexer sends heartbeat signal to its upper level multiplexer, described upper level multiplexer is monitored the heartbeat signal received and records the time, time difference between the adjacent cardiac time relatively received, if the difference between each time difference is less than signa, then judge that the multiplexer sending heartbeat signal is in normal operating condition, does not now update routing table；If the difference between each time difference exceedes signa, then the multiplexer of this transmission heartbeat signal is likely to be at abnormal operating condition, now described upper level multiplexer sends test data to the multiplexer of this transmission heartbeat signal, and etc. the multiplexer of heartbeat signal to be sent give a response；
If described upper level multiplexer receives response in the given time, then judge that the multiplexer of this transmission heartbeat signal is in normal operating condition, the first connection line simultaneously judged between the multiplexer of this transmission heartbeat signal and described upper level multiplexer is in abnormal operating condition, described control centre updates routing table, and described first connection line is excluded described transmission path；
If described upper level multiplexer does not receive response in the given time, then judging that the multiplexer of this transmission heartbeat signal is in abnormal operating condition, described control centre updates routing table, and the multiplexer of this transmission heartbeat signal is excluded whole network；
2. when upper level is control centre, then each multiplexer sends heartbeat signal to control centre, described control centre monitors the heartbeat signal received and records the time, time difference between the adjacent cardiac time relatively received, if the difference between each time difference is less than signa, then judge that the multiplexer sending heartbeat signal is in normal operating condition, does not now update routing table；If the difference between each time difference exceedes signa, then the multiplexer of this transmission heartbeat signal is likely to be at abnormal operating condition, now described control centre sends test data to the multiplexer of this transmission heartbeat signal, and waits that the multiplexer of this transmission heartbeat signal gives a response；
If described control centre receives response in the given time, then judge that the multiplexer of this transmission heartbeat signal is in normal operating condition, the second connection line simultaneously judged between multiplexer and the described control centre of described transmission heartbeat signal is in abnormal operating condition, described control centre updates routing table, and described second connection line is excluded described transmission path；
If described control centre does not receive response in the given time, then judging that the multiplexer of this transmission heartbeat signal is in abnormal operating condition, described control centre updates routing table, and the multiplexer of this transmission heartbeat signal is excluded whole network；
Described first connection line and the second connection line include wire message way and/or wireless channel。
2. as claimed in claim 1 a kind of for protect temporarily electricity electrical network communication guarantee method, it is characterised in that the method step 2) in initialize routing table method as follows:
1. when described control centre sends test data by wire message way to next stage multiplexer according to the transmission path in router default routing table,
A. described control centre waits that described next stage multiplexer gives a response,
If described control centre receives response within first scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X；
If described control centre does not receive response within first scheduled time, then described next stage multiplexer is likely to be at abnormal operating condition, performs step b.；
B. described control centre will send test data by the first wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described control centre receives response within second scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described control centre does not receive response within second scheduled time, then described next stage multiplexer is still likely to be at abnormal operating condition, and described first wireless channel is likely to and is in abnormal operating condition, performs step c.；
C. described control centre will send test data by the second wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described control centre receives response within the 3rd scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described control centre does not receive response within the 3rd scheduled time, if then repeating not find, after step c. repeats step c. five times, the wireless channel that test data can be sent yet, then judge that described next stage multiplexer is in abnormal operating condition, judge that the wire message way for sending test data and each wireless channel are in normal operating condition simultaneously, described control centre initializes described routing table, and described next stage multiplexer is excluded whole network；
X. final step,
When by step a. jump procedure X., it is judged that the wire message way for transmitting test data is in normal operating condition, and described routing table does not change；
When by step b. jump procedure X., it is judged that be that the wire message way for transmitting test data is in abnormal operating condition, described control centre initializes described routing table, and the described wire message way being used for transmitting test data is excluded whole network；
When by step c. jump procedure X., judge that the first wireless channel for transmitting test data and the wire message way for transmitting test data are in abnormal operating condition, control centre will initialize routing table, and the wire message way that described first wireless channel and confirmation are in abnormality is excluded whole network；
2. when described multiplexer sends test data by wire message way to next stage multiplexer according to the transmission path in router default routing table,
A. described multiplexer waits that described next stage multiplexer gives a response,
If described multiplexer receives response within first scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X；
If described multiplexer does not receive response within first scheduled time, then described next stage multiplexer is likely to be at abnormal operating condition, performs step b.；
B. described multiplexer will send test data by the first wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described multiplexer receives response within second scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described multiplexer does not receive response within second scheduled time, then described next stage multiplexer is still likely to be at abnormal operating condition, and described first wireless channel is likely to and is in abnormal operating condition, performs step c.；
C. described multiplexer will send test data by the second wireless channel to described next stage multiplexer, and wait that this next stage multiplexer gives a response,
If described multiplexer receives response within the 3rd scheduled time, then judge that described next stage multiplexer is in normal operating condition, jump to step X.；
If described multiplexer does not receive response within the 3rd scheduled time, if then repeating not find, after step c. repeats step c. five times, the wireless channel that test data can be sent yet, then judge that described next stage multiplexer is in abnormal operating condition, judge that the wire message way for sending test data and each wireless channel are in normal operating condition simultaneously, described control centre initializes described routing table, and described next stage multiplexer is excluded whole network；
X. final step,
When by step a. jump procedure X., it is judged that the wire message way for transmitting test data is in normal operating condition, and described routing table does not change；
When by step b. jump procedure X., it is judged that be that the wire message way for transmitting test data is in abnormal operating condition, described control centre initializes described routing table, and the described wire message way being used for transmitting test data is excluded whole network；
When by step c. jump procedure X., judge that the first wireless channel for transmitting test data and the wire message way for transmitting test data are in abnormal operating condition, control centre will initialize routing table, and the wire message way that described first wireless channel and confirmation are in abnormality is excluded whole network；
Complete the initialization of routing table。
3. as claimed in claim 2 a kind of for protect temporarily electricity electrical network communication guarantee method, it is characterised in that: described first scheduled time, described second scheduled time was less than described 3rd scheduled time less than described second scheduled time。
4. a kind of communication guarantee method for protecting electricity electrical network temporarily as described in claim 1,2 or 3, it is characterized in that: when there being multiplexer need to add network, this multiplexer submits, to described control centre, the application that networks by cable network to, described control centre receives after this networking application other multiplexers in network and sends route discovery order, and updates routing table。
5. a kind of communication guarantee method for protecting electricity electrical network temporarily as claimed in claim 4, it is characterised in that: described multiplexer is to gather data and the data integrated device of transmission。
6. as claimed in claim 5 a kind of for protect temporarily electricity electrical network communication guarantee method, it is characterized in that: described router selects wireless channel according to metric size, the metric of described first wireless channel is minimum, and the metric of described second channel is more than the metric of described first wireless channel。
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