CN105704038B - A kind of communication guarantee method for the electric power grid of guarantor temporarily - Google Patents
A kind of communication guarantee method for the electric power grid of guarantor temporarily Download PDFInfo
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- CN105704038B CN105704038B CN201610044622.3A CN201610044622A CN105704038B CN 105704038 B CN105704038 B CN 105704038B CN 201610044622 A CN201610044622 A CN 201610044622A CN 105704038 B CN105704038 B CN 105704038B
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000006854 communication Effects 0.000 title claims abstract description 36
- 238000004891 communication Methods 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 106
- 230000005611 electricity Effects 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000006855 networking Effects 0.000 claims abstract description 8
- 230000004044 response Effects 0.000 claims description 73
- 238000012360 testing method Methods 0.000 claims description 62
- 230000002159 abnormal effect Effects 0.000 claims description 41
- 230000005856 abnormality Effects 0.000 claims description 6
- 230000000747 cardiac effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000013439 planning Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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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
-
- 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
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a kind of for protecting the communication guarantee method of electric power grid temporarily, belong to Communication Control Technology field.This method detection device communicates in accordance with the following steps with control centre：1) communication network between the two is established；2）Initialize routing table；3）Monitor operating status.The guarantor's electricity power grid electricity data transmission network to be communicated using this method, communication reliability higher have interim networking higher applicability, have the scalability and flexibility.
Description
Technical field
The present invention relates to a kind of communication guarantee methods, belong to Communication Control Technology field.
Background technology
In electric system, need to carry out important client comprehensive guarantor's electricity, be often designed planning in the early stage, it is real
Now ensure supply of electric power and power demand.Such as arrange it is that can consider to protect electric monitoring device such as doing planning to certain building power grid
What is distributed.
More than measure can meet the demand for solving the client that needs protect electricity for a long time, however protect electricity for certain needs are interim
Client, then want troublesome more, for example, the Olympic Games protect electricity, World Expo protect electricity, the Asian Games protect electricity or other occasions protect electricity.More than
These large-scale activities all have some common features such as, timeliness, provisional, heavy workload, arduous task and needs
The completion task guaranteed both quality and quantity.Therefore electric equipment is protected for particular arrangement and is monitored cost with regard to bigger, and in activity end
Used device, which is difficult to recycle, afterwards causes the wasting of resources, it is therefore desirable to interim to protect electricity to solve problem above.
Interim electricity of protecting is that a kind of installed additional on detection device is realized with the multiplexer for acquiring transfer function, described
Detection device（Sensor）Including：The equipment of a variety of brands such as multifunctional electric energy meter, electrical parameter metering equipment, is mainly used for
Electricity consumption data is measured, the parameters such as record current, voltage, power.And electricity is protected temporarily nor perfect, how to protect
The interim telecommunication reliability of protecting of barrier is also the significant problem for needing to solve.
We should appreciate that router plays a crucial role in communication process, therefore we have to be understood that first
The operation principle of router, to be preferably applied in daily Working Life.In a computer network, routing table or road
By selecting domain information library（RIB）It is an electrical form being stored in router or Net-connected computer（File）Or class data
Library.Routing table stores the path for being directed toward particular network address（In some cases, the route metric value for having path is also recorded.
Metric represents distance, they are used for determining optimal routing when finding and routeing.Each routing algorithm when generating routing table,
Can be that each generates a numerical value by the path of network（Metric）, minimum value represents optimal path.Certainly also exist
Other decision rules, just do not enumerate here.）The groundwork of router is exactly for each data packet by router
A best transmission path is found, and the data are effectively transmitted to purpose website.It can be seen that selection optimal path
Strategy is the key point that routing algorithm is router.It works to complete this, in the router in store various transmission roads
The related data of diameter --- routing table（Routing Table）, for being used during Route Selection, the information included in table determines number
According to the strategy of forwarding.It draws an analogy, routing table identifies various routes, routing table just as the map that we usually use
In the flag information of in store subnet, the number of web router and next router the contents such as name.Routing table can be with
It is to be fixedly installed by system manager, can also be changed by system dynamic, can be by router adjust automatically, it can also be by
Host computer control（Such as it is realized by sending the modes such as route discovery order）.This case will just be passed using this characteristic for data
Defeated communication network provides reliable guarantee.
Because power supply department can not obtain the electric data information of user, supply of electric power can not be just ensured well, therefore protect
One reliable communication network for data transmission of barrier is the significant challenge proposed to protecting electricity.And the communication network of electricity is protected temporarily
It builds temporarily, therefore ensures that reliability and stability is just particularly important.How to ensure that the real-time Transmission of information is sent,
The timely of problem finds to solve to become the major issue to be solved instantly.Only under the premise of the solution of these problems, ability
The business pipes such as effective dispatching of power netwoks, distribution planning, power quality, network line loss, power supply reliability to protecting electricity temporarily
Manage support of submitting necessary information.
Invention content
The technical problem to be solved by the present invention is in view of the shortcomings of the prior art, propose a kind of reliability higher, self-healing property more
The strong communication guarantee method for the electric power grid of guarantor temporarily.
The technical solution that its is proposed to solve above-mentioned technical problem of the present invention is：It is a kind of to be protected for protecting the communication of electric power grid temporarily
Barrier method, described protect are equipped with several detection devices for being used to measure the electric power grid electricity data of the guarantor, and equipped with control in electric power grid
Center processed；The detection device communicates in accordance with the following steps with control centre：
1）It installs multiplexer additional respectively on the detection device, is then connected in the control by cable network
The heart；Install the router for storing routing table, there is radio function, institute additional in the control centre and the multiplexer again
Alternate wireless network is formed by router；The multiplexer will receive for receiving the electric data from detection device
Electric data be transferred to the control centre；
2）The control centre initializes the routing table, and each multiplexer has been recorded to the control in the routing table
The transmission path of central transmission data；
3）In the process of running, each multiplexer inquires the routing table,
1. when upper level is multiplexer, then each multiplexer sends heartbeat signal, institute to its upper level multiplexer
It states the heartbeat signal that the monitoring of upper level multiplexer receives and records the time, compare the time between the adjacent cardiac time received
Difference if the difference between each time difference is no more than signa, judges that the multiplexer for sending heartbeat signal is in normal
Operating status does not update routing table at this time；If the difference between each time difference is more than signa, the transmission heartbeat signal
Multiplexer be likely to be at abnormal operating condition, at this time multiplexing from the upper level multiplexer to the transmission heartbeat signal fill
Transmission test data is put, and the multiplexer of heartbeat signal to be sent is waited to give a response；
If the upper level multiplexer receives response in the given time, the multiplexing dress of the transmission heartbeat signal is judged
It puts in normal operating condition, while judges between the multiplexer of the transmission heartbeat signal and the upper level multiplexer
First connection circuit is in abnormal operating condition, and the control centre updates routing table, and the described first connection circuit is excluded
The transmission path；
If the upper level multiplexer does not receive response in the given time, the multiplexing of the transmission heartbeat signal is judged
Device is in abnormal operating condition, and the control centre updates routing table, the multiplexer of the transmission heartbeat signal is excluded
Whole network；
2. when upper level center in order to control, then each multiplexer sends heartbeat signal, the control centre to control centre
Monitor the heartbeat signal that receives and record the time, compare the time difference between the adjacent cardiac time received, if each time difference it
Between difference be no more than signa, then judge send heartbeat signal multiplexer be in normal operating condition, at this time not
Update routing table；If the difference between each time difference is more than signa, the multiplexer of the transmission heartbeat signal may
In abnormal operating condition, the control centre sends test data, and wait to the multiplexer of the transmission heartbeat signal at this time
Treat that the multiplexer of the transmission heartbeat signal gives a response；
If the control centre receives response in the given time, judge that the multiplexer of the transmission heartbeat signal is in
Normal operating condition, while judge the second connecting line between the multiplexer for sending heartbeat signal and the control centre
Road is in abnormal operating condition, and the control centre updates routing table, and the described second connection circuit is excluded the transmission road
Diameter；
If the control centre does not receive response in the given time, at the multiplexer for judging the transmission heartbeat signal
In abnormal operating condition, the control centre updates routing table, the multiplexer of the transmission heartbeat signal is excluded entire net
Network；
The first connection circuit and the second connection circuit include line channel and/or wireless channel.
It is of the invention to be using the advantageous effect of above-mentioned technical proposal：Since the communication network reliability for protecting electricity temporarily is difficult to protect
Barrier, thus the present invention at the beginning of networking just as consideration, be designed by the thought supplemented by primary wireless network of cable network,
In the case where that can not ensure cable data normal transmission, carry out data transmission being made up with wireless network, wired, wireless data
Transmission is complementary, ensures the real-time normal transmission of data, solves transmission channel（Transmission path）This unreliable problem.But this is resulted in
There are problems that a plurality of transmission path in network, this problem is solved by the routing being integrated on multiplexer, utilizes routing
The setting of communication protocol and routing table make not interfereing with each other between each path, and transmission path is made of multiple channels（With wired letter
In wired failure wirelessly to replace based on road）, provide possibility to certain faulty channel or failed equipment is got around, thus
When breaking down, it will not lead to not due to transmission path is fixed into row data communication, protecting electric data cannot transmit in time, then
So that protecting electricity work encounters obstacle.Whole network in operation, can detect automatically, pinpoint the problems a little, find out failure cause, and will
Troubleshooting goes out the smoothness of the network guarantee network operation.
The improvement of above-mentioned technical proposal is：The method of initialization routing table is as follows in this method step 2)：
1. when the control centre according to the transmission path in router default routing table by wire channel to next stage
When multiplexer sends test data,
A. the control centre waits for the next stage multiplexer to give a response,
If the control centre receives response within the first predetermined time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X；
If the control centre does not receive response within the first predetermined time, the next stage multiplexer is likely to be at
Abnormal operating condition performs step b.；
B. the control centre will send test data, and wait by the first wireless channel to the next stage multiplexer
Treat that the next stage multiplexer gives a response,
If the control centre receives response within second scheduled time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X.；
If the control centre does not receive response within second scheduled time, the next stage multiplexer still may at
In abnormal operating condition, first wireless channel may also be in abnormal operating condition, perform step c.；
C. the control centre will send test data, and wait by second wireless channel to the next stage multiplexer
Treat that the next stage multiplexer gives a response,
If the control centre receives response within the third predetermined time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X.；
If the control centre does not receive response within the third predetermined time, if repeatedly step c. repeats step c. five times
The wireless channel of test data can be sent by not finding yet afterwards, then judges that the next stage multiplexer is in misoperation shape
State, while judge that wire channel and each wireless channel for sending test data are in normal operating condition, in the control
The heart initializes the routing table, and the next stage multiplexer is excluded whole network；
X. final step,
When by step a. jump procedure X., the wire channel for judging to be used for transmission test data is in normal operation shape
State, the routing table do not change；
When by step b. jump procedure X., judgement is to be used for transmission the wire channel of test data to be in misoperation shape
State, the control centre initialize the routing table, the wire channel for being used for transmission test data are excluded entire net
Network；
When by step c. jump procedure X., judge to be used for transmission the first wireless channel of test data and be used for transmission survey
The wire channel of examination data is in abnormal operating condition, and control centre will initialize routing table, by first wireless channel and
Confirm that the wire channel in abnormality excludes whole network；
2. when the multiplexer according to the transmission path in router default routing table by wire channel to next stage
When multiplexer sends test data,
A. the multiplexer waits for the next stage multiplexer to give a response,
If the multiplexer receives response within the first predetermined time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X；
If the multiplexer does not receive response within the first predetermined time, the next stage multiplexer is likely to be at
Abnormal operating condition performs step b.；
B. the multiplexer will send test data, and wait by the first wireless channel to the next stage multiplexer
Treat that the next stage multiplexer gives a response,
If the multiplexer receives response within second scheduled time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X.；
If the multiplexer does not receive response within second scheduled time, the next stage multiplexer still may at
In abnormal operating condition, first wireless channel may also be in abnormal operating condition, perform step c.；
C. the multiplexer will send test data, and wait by second wireless channel to the next stage multiplexer
Treat that the next stage multiplexer gives a response,
If the multiplexer receives response within the third predetermined time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X.；
If the multiplexer does not receive response within the third predetermined time, if repeatedly step c. repeats step c. five times
The wireless channel of test data can be sent by not finding yet afterwards, then judges that the next stage multiplexer is in misoperation shape
State, while judge that wire channel and each wireless channel for sending test data are in normal operating condition, in the control
The heart initializes the routing table, and the next stage multiplexer is excluded whole network；
X. final step,
When by step a. jump procedure X., the wire channel for judging to be used for transmission test data is in normal operation shape
State, the routing table do not change；
When by step b. jump procedure X., judgement is to be used for transmission the wire channel of test data to be in misoperation shape
State, the control centre initialize the routing table, the wire channel for being used for transmission test data are excluded entire net
Network；
When by step c. jump procedure X., judge to be used for transmission the first wireless channel of test data and be used for transmission survey
The wire channel of examination data is in abnormal operating condition, and control centre will initialize routing table, by first wireless channel and
Confirm that the wire channel in abnormality excludes whole network；
Complete the initialization of routing table.
The improvement of above-mentioned technical proposal is：First predetermined time is less than second predetermined time, and described second is pre-
It fixes time less than the third predetermined time.
It is of the invention to be using the advantageous effect of above-mentioned technical proposal：By investigating repeatedly, question classification is found out, determines networking
At the beginning of situation, so that the guarantor's electricity communication system of power grids system built can put into operation as early as possible temporarily.Because it is interim networking, it is impossible to
Ensure that equipment is all normal operation, and each equipment of inspection its workload one by one is excessively huge so that project progress
It is delayed, this technological improvement of the invention is exactly to be fixed a breakdown a little, and be updated by routing table by verification repeatedly, with
This come it is faster establish one can unobstructed transmission data communication network, reduce the workload of staff.
The improvement of above-mentioned technical proposal is：When there is multiplexer that need to add in network, which passes through cable network
The application that networks is submitted to the control centre, the control centre receives other multiplexers in the backward network of networking application and sends out
Route discovery order is sent, and updates routing table.
It is of the invention to be using the advantageous effect of above-mentioned technical proposal：In above-mentioned technical solution, trouble point is only quilt
Network is excluded, but does not mention and how equipment is added in into network, in the above-mentioned technical solutions, entire communication network can be not
Keep interim while protect electric electric network data transmission under shutdown status, by the device after operation and maintenance or new device again
Be linked into network and use, this improve so that present networks autgmentability it is stronger it is more flexible be more suitable for practical production application, gram
The provisional caused problem of interim guarantor's electricity is taken.
The improvement of above-mentioned technical proposal is：The multiplexer is gathered data and transmits data integrated device.
It is of the invention to be using the advantageous effect of above-mentioned technical proposal：It can also be transmitted since multiplexer can acquire,
Each multiplexer is both collection point and relay point.
The improvement of above-mentioned technical proposal is：The router is according to metric size selection wireless channel, first nothing
The metric of line channel is minimum, and the metric of the second channel is more than the metric of first wireless channel.
It is of the invention to be using the advantageous effect of above-mentioned technical proposal：Using router own protocol, metric size is judged,
The stability for the wireless channel set up is determined with this.Wireless channel setting up, stablizing can be reduced largely
The bit error rate of data transmission, it is ensured that the accuracy and reliability of data transmission, it will not be due to being used to substitute the wireless of faulty channel
The situation that channel itself is unstable and transmission reliability is caused to reduce occurs.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
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 flow diagram in real time.
Fig. 3 is the communication network initialization flow diagram of the present invention.
Specific embodiment
Embodiment
The multiplexer that the present embodiment uses is the first communication for being integrated with MCU module, router and coordinating with MCU module
Module and the second communication module, so as to fulfill transmitting and acquiring, the first communication module is used for downlink data transmission, the second communication mould
Block is used for transmitting uplink data, and for communication module 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 modules or 470M wireless modules, depending on concrete foundation field condition, selectes interference smaller
Radio band.The electrical equipment real time information that downlink is collected with the acquisition of the second communication module by live various kinds of sensors, and
Collected data are transmitted to next multiplexer by uplink second communication module while being stored in local big storage.
For convenience of describing and understand that multiplexer and router are isolated multiplexer by this case, and utilize bridge joint and road between router
It is worked by each agreement of device.
For protecting electric communication system of power grids support method temporarily, Fig. 1 is initialized and is run for communication network one kind of the present embodiment
Flow diagram, protects and several detection devices for being used to measure the electric power grid electricity data of the guarantor is equipped in electric power grid, i.e. scene is each
Class is used to collect the sensor of electric equipment real time information, and equipped with control centre, supervisory function bit plays in control centre, and controls
There are some necessary address informations at center, and each multiplexer collected data information from sensor will be aggregated into control
Center processed, and control centre is then the master control end that the operation of electricity scene is protected in management and planning, detection device is with control centre according to such as
Lower step communicates：
1）It installs multiplexer additional respectively on the detection device, is then connected in the control by cable network
The heart；Install the router for storing routing table, there is radio function, institute additional in the control centre and the multiplexer again
Alternate wireless network is formed by router；The multiplexer will receive for receiving the electric data from detection device
Electric data be transferred to the control centre；
2）The control centre initializes the routing table, and each multiplexer has been recorded to the control in the routing table
The transmission path of central transmission data；
The step of initialization, is as follows：
201 when the control centre according to the transmission path in router default routing table by wire channel to next stage
When multiplexer sends test data,
A. the control centre waits for the next stage multiplexer to give a response,
If the control centre receives response within the first predetermined time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X；
If the control centre does not receive response within the first predetermined time, the next stage multiplexer is likely to be at
Abnormal operating condition performs step b.；
B. the control centre will send test data, and wait by the first wireless channel to the next stage multiplexer
Treat that the next stage multiplexer gives a response,
If the control centre receives response within second scheduled time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X.；
If the control centre does not receive response within second scheduled time, the next stage multiplexer still may at
In abnormal operating condition, first wireless channel may also be in abnormal operating condition, perform step c.；
C. the control centre will send test data, and wait by second wireless channel to the next stage multiplexer
Treat that the next stage multiplexer gives a response,
If the control centre receives response within the third predetermined time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X.；
If the control centre does not receive response within the third predetermined time, if repeatedly step c. repeats step c. five times
The wireless channel of test data can be sent by not finding yet afterwards, then judges that the next stage multiplexer is in misoperation shape
State, while judge that wire channel and each wireless channel for sending test data are in normal operating condition, in the control
The heart initializes the routing table, and the next stage multiplexer is excluded whole network；
X. final step,
When by step a. jump procedure X., the wire channel for judging to be used for transmission test data is in normal operation shape
State, the routing table do not change；
When by step b. jump procedure X., judgement is to be used for transmission the wire channel of test data to be in misoperation shape
State, the control centre initialize the routing table, the wire channel for being used for transmission test data are excluded entire net
Network；
When by step c. jump procedure X., judge to be used for transmission the first wireless channel of test data and be used for transmission survey
The wire channel of examination data is in abnormal operating condition, and control centre will initialize routing table, by first wireless channel and
Confirm that the wire channel in abnormality excludes whole network；
202 when the multiplexer according to the transmission path in router default routing table by wire channel to next stage
When multiplexer sends test data,
A. the multiplexer waits for the next stage multiplexer to give a response,
If the multiplexer receives response within the first predetermined time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X；
If the multiplexer does not receive response within the first predetermined time, the next stage multiplexer is likely to be at
Abnormal operating condition performs step b.；
B. the multiplexer will send test data, and wait by the first wireless channel to the next stage multiplexer
Treat that the next stage multiplexer gives a response,
If the multiplexer receives response within second scheduled time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X.；
If the multiplexer does not receive response within second scheduled time, the next stage multiplexer still may at
In abnormal operating condition, first wireless channel may also be in abnormal operating condition, perform step c.；
C. the multiplexer will send test data, and wait by second wireless channel to the next stage multiplexer
Treat that the next stage multiplexer gives a response,
If the multiplexer receives response within the third predetermined time, judge that the next stage multiplexer is in just
Normal operating status jumps to step X.；
If the multiplexer does not receive response within the third predetermined time, if repeatedly step c. repeats step c. five times
The wireless channel of test data can be sent by not finding yet afterwards, then judges that the next stage multiplexer is in misoperation shape
State, while judge that wire channel and each wireless channel for sending test data are in normal operating condition, in the control
The heart initializes the routing table, and the next stage multiplexer is excluded whole network；
X. final step,
When by step a. jump procedure X., the wire channel for judging to be used for transmission test data is in normal operation shape
State, the routing table do not change；
When by step b. jump procedure X., judgement is to be used for transmission the wire channel of test data to be in misoperation shape
State, the control centre initialize the routing table, the wire channel for being used for transmission test data are excluded entire net
Network；
When by step c. jump procedure X., judge to be used for transmission the first wireless channel of test data and be used for transmission survey
The wire channel of examination data is in abnormal operating condition, and control centre will initialize routing table, by first wireless channel and
Confirm that the wire channel in abnormality excludes whole network；
Complete the initialization of routing table；
3）In the process of running, each multiplexer inquires the routing table,
301 when upper level is multiplexer, then each multiplexer sends heartbeat signal, institute to its upper level multiplexer
It states the heartbeat signal that the monitoring of upper level multiplexer receives and records the time, compare the time between the adjacent cardiac time received
Difference if the difference between each time difference is no more than signa, judges that the multiplexer for sending heartbeat signal is in normal
Operating status does not update routing table at this time；If the difference between each time difference is more than signa, the transmission heartbeat signal
Multiplexer be likely to be at abnormal operating condition, at this time multiplexing from the upper level multiplexer to the transmission heartbeat signal fill
Transmission test data is put, and the multiplexer of heartbeat signal to be sent is waited to give a response；
If the upper level multiplexer receives response in the given time, the multiplexing dress of the transmission heartbeat signal is judged
It puts in normal operating condition, while judges between the multiplexer of the transmission heartbeat signal and the upper level multiplexer
First connection circuit is in abnormal operating condition, and the control centre updates routing table, and the described first connection circuit is excluded
The transmission path；
If the upper level multiplexer does not receive response in the given time, the multiplexing of the transmission heartbeat signal is judged
Device is in abnormal operating condition, and the control centre updates routing table, the multiplexer of the transmission heartbeat signal is excluded
Whole network；
302 work as upper level center in order to control, then each multiplexer sends heartbeat signal, the control centre to control centre
Monitor the heartbeat signal that receives and record the time, compare the time difference between the adjacent cardiac time received, if each time difference it
Between difference be no more than signa, then judge send heartbeat signal multiplexer be in normal operating condition, at this time not
Update routing table；If the difference between each time difference is more than signa, the multiplexer of the transmission heartbeat signal may
In abnormal operating condition, the control centre sends test data, and wait to the multiplexer of the transmission heartbeat signal at this time
Treat that the multiplexer of the transmission heartbeat signal gives a response；
If the control centre receives response in the given time, judge that the multiplexer of the transmission heartbeat signal is in
Normal operating condition, while judge the second connecting line between the multiplexer for sending heartbeat signal and the control centre
Road is in abnormal operating condition, and the control centre updates routing table, and the described second connection circuit is excluded the transmission road
Diameter；
If the control centre does not receive response in the given time, at the multiplexer for judging the transmission heartbeat signal
In abnormal operating condition, the control centre updates routing table, the multiplexer of the transmission heartbeat signal is excluded entire net
Network；
The first connection circuit and the second connection circuit include line channel and/or wireless channel.
The first predetermined time in the present embodiment was less than for the second predetermined time, and the second predetermined time was less than the pre- timing of third
Between.Interval time is stepped up, in order to avoid because equipment response go wrong caused by erroneous judgement.
When the present embodiment has multiplexer that need to add in network, which is submitted by cable network to control centre
Network application, and control centre receives other multiplexers transmission route discovery order into network after the networking application, and updates
Routing table.The multiplexer mentioned here that network need to be added in refers to, after the new multiplexer for accessing network or troubleshooting
The multiplexer rejoined.
The multiplexer of the present embodiment is gathered data and transmits data integrated device as previously described.
Router in the present embodiment is according to metric size selection wireless channel, and the metric of the first wireless channel is most
Small, the metric of second channel is more than the metric of the first wireless channel.
It, can also be in the form of hardware as can be seen that the present invention can realize in a software form from the embodiment of the present invention
Realize, naturally it is also possible to the mode of soft or hard combination is realized, but finally is realized in which way, to see implementation this method main body according to
According to concrete condition comprehensive consideration, its economic convenient form is taken to be achieved, it is certainly every to use method mentioned in the present invention
Way of realization should all fall into the present invention realization in the range of, without this kind of feelings that should be limited only to described in the embodiment of the present invention
Condition.
Claims (3)
1. it is a kind of for protecting the communication guarantee method of electric power grid temporarily, it is equipped in the electric power grid of guarantor several described for measuring
The detection device of electric power grid electricity data is protected, and equipped with control centre；It is characterized in that, the detection device and control centre according to
Following steps communicate：
1）It installs multiplexer additional respectively on the detection device, the control centre is then connected to by cable network；Again
Install the router for storing routing table, there is radio function, Suo Youlu additional in the control centre and the multiplexer
Alternate wireless network is formed by device；The multiplexer is used to receive the electric data from detection device, and the electricity that will be received
Data are transferred to the control centre；
2）The control centre initializes the routing table, and each multiplexer has been recorded to the control centre in the routing table
Transmit the transmission path of data；
3）In the process of running, each multiplexer inquires the routing table,
1. when upper level be multiplexer when, then each multiplexer to its upper level multiplexer send heartbeat signal, it is described on
Level-one multiplexer monitors the heartbeat signal received and records the time, compares the time difference between the adjacent cardiac time received,
If the difference between each time difference is no more than signa, the multiplexer for judging to send heartbeat signal is in normal operation
State does not update routing table at this time；If the difference between each time difference is more than signa, which answers
Abnormal operating condition is likely to be at device, the upper level multiplexer is sent out to the multiplexer of the transmission heartbeat signal at this time
Test data is sent, and the multiplexer of heartbeat signal to be sent is waited to give a response；
If the upper level multiplexer receives response in the given time, at the multiplexer for judging the transmission heartbeat signal
In normal operating condition, at the same judge between the multiplexer of the transmission heartbeat signal and the upper level multiplexer first
Connection circuit is in abnormal operating condition, and the control centre updates routing table, the described first connection circuit is excluded described
Transmission path；
If the upper level multiplexer does not receive response in the given time, the multiplexer of the transmission heartbeat signal is judged
In abnormal operating condition, the control centre updates routing table, and the multiplexer of the transmission heartbeat signal is excluded entirely
Network；
2. when upper level center in order to control, then each multiplexer sends heartbeat signal to control centre, and the control centre monitors
The heartbeat signal that receives simultaneously records the time, compares the time difference between the adjacent cardiac time received, if between each time difference
Difference is no more than signa, then the multiplexer for judging to send heartbeat signal is in normal operating condition, does not update at this time
Routing table；If the difference between each time difference is more than signa, the multiplexer of the transmission heartbeat signal is likely to be at
Abnormal operating condition, the control centre sends test data to the multiplexer of the transmission heartbeat signal at this time, and waits for and being somebody's turn to do
The multiplexer for sending heartbeat signal gives a response；
If the control centre receives response in the given time, judge that the multiplexer of the transmission heartbeat signal is in normal
Operating status, while judge at the second connection circuit between the multiplexer for sending heartbeat signal and the control centre
In abnormal operating condition, the control centre updates routing table, and the described second connection circuit is excluded the transmission path；
If the control centre does not receive response in the given time, judge that the multiplexer of the transmission heartbeat signal is in different
Normal operating status, the control centre update routing table, the multiplexer of the transmission heartbeat signal are excluded whole network；
The first connection circuit and the second connection circuit include line channel and/or wireless channel;
The process of initialization routing table is in step 2),
1. when the control centre is multiplexed according to the transmission path in router default routing table by wire channel to next stage
When device sends test data,
a1The control centre waits for the next stage multiplexer to give a response,
If the control centre receives response within the first predetermined time, judge that the next stage multiplexer is in normal fortune
Row state jumps to step X1.；
If the control centre does not receive response within the first predetermined time, the next stage multiplexer is likely to be at exception
Operating status performs step b1.；
b1The control centre will send test data, and wait for and being somebody's turn to do by the first wireless channel to the next stage multiplexer
Next stage multiplexer gives a response,
If the control centre receives response within second scheduled time, judge that the next stage multiplexer is in normal fortune
Row state jumps to step X1.；
If the control centre does not receive response within second scheduled time, the next stage multiplexer is still likely to be at different
Normal operating status, first wireless channel may also be in abnormal operating condition, perform step c1.；
c1The control centre will send test data, and wait for and being somebody's turn to do by second wireless channel to the next stage multiplexer
Next stage multiplexer gives a response,
If the control centre receives response within the third predetermined time, judge that the next stage multiplexer is in normal fortune
Row state jumps to step X1.；
If the control centre does not receive response within the third predetermined time, repeatedly step c1If repeat step c1After five times
The wireless channel of test data can be sent by not finding yet, then judges that the next stage multiplexer is in abnormal operating condition,
Judge wire channel for sending test data simultaneously and each wireless channel is in normal operating condition, at the beginning of the control centre
The next stage multiplexer is excluded whole network by the beginningization routing table；
X1Final step,
When by step a1Jump procedure X1When, the wire channel for judging to be used for transmission test data is in normal operating condition, institute
Routing table is stated not change；
When by step b1Jump procedure X1When, judgement is to be used for transmission the wire channel of test data to be in abnormal operating condition,
The control centre initializes the routing table, and the wire channel for being used for transmission test data is excluded whole network；
When by step c1Jump procedure X1When, judge to be used for transmission the first wireless channel of test data and be used for transmission test
The wire channel of data is in abnormal operating condition, and control centre will initialize routing table, by first wireless channel and really
Recognize the wire channel in abnormality and exclude whole network；
2. when the multiplexer is multiplexed according to the transmission path in router default routing table by wire channel to next stage
When device sends test data,
a2The multiplexer waits for the next stage multiplexer to give a response,
If the multiplexer receives response within the first predetermined time, judge that the next stage multiplexer is in normal fortune
Row state jumps to step X2.；
If the multiplexer does not receive response within the first predetermined time, the next stage multiplexer is likely to be at exception
Operating status performs step b2.；
b2The multiplexer will send test data, and wait for and being somebody's turn to do by the first wireless channel to the next stage multiplexer
Next stage multiplexer gives a response,
If the multiplexer receives response within second scheduled time, judge that the next stage multiplexer is in normal fortune
Row state jumps to step X2.；
If the multiplexer does not receive response within second scheduled time, the next stage multiplexer is still likely to be at different
Normal operating status, first wireless channel may also be in abnormal operating condition, perform step c2.；
c2The multiplexer will send test data, and wait for and being somebody's turn to do by second wireless channel to the next stage multiplexer
Next stage multiplexer gives a response,
If the multiplexer receives response within the third predetermined time, judge that the next stage multiplexer is in normal fortune
Row state jumps to step X2.；
If the multiplexer does not receive response within the third predetermined time, repeatedly step c2If repeat step c2After five times
The wireless channel of test data can be sent by not finding yet, then judges that the next stage multiplexer is in abnormal operating condition,
Judge wire channel for sending test data simultaneously and each wireless channel is in normal operating condition, at the beginning of the control centre
The next stage multiplexer is excluded whole network by the beginningization routing table；
X2Final step,
When by step a2Jump procedure X2When, the wire channel for judging to be used for transmission test data is in normal operating condition, institute
Routing table is stated not change；
When by step b2Jump procedure X2When, judgement is to be used for transmission the wire channel of test data to be in abnormal operating condition,
The control centre initializes the routing table, and the wire channel for being used for transmission test data is excluded whole network；
When by step c2Jump procedure X2When, judge to be used for transmission the first wireless channel of test data and be used for transmission test
The wire channel of data is in abnormal operating condition, and control centre will initialize routing table, by first wireless channel and really
Recognize the wire channel in abnormality and exclude whole network；
Complete the initialization of routing table；
When there is multiplexer that need to add in network, which submits networking Shen by cable network to the control centre
Please, the control centre receives other multiplexers transmission route discovery order into network after the networking application, and updates road
By table.
2. a kind of communication guarantee method for the electric power grid of guarantor temporarily as described in claim 1, it is characterised in that：Described first
Predetermined time is less than second predetermined time, and second predetermined time is less than the third predetermined time.
3. a kind of communication guarantee method for the electric power grid of guarantor temporarily as claimed in claim 1 or 2, it is characterised in that：It is described
Multiplexer is gathered data and transmits data integrated device.
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| CN117439866A (en) * | 2023-10-12 | 2024-01-23 | 南京麦杰软件有限公司 | Method and apparatus for ensuring network communication during maintenance work |
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| CN101924391A (en) * | 2010-08-03 | 2010-12-22 | 国网电力科学研究院武汉南瑞有限责任公司 | Electric distribution network feeder automation system based on wireless ad hoc network and networking method thereof |
| CN103116346A (en) * | 2013-02-22 | 2013-05-22 | 西安众恒科技有限公司 | Power quality online monitoring system of network topology wireless communication |
| CN105120484A (en) * | 2015-08-21 | 2015-12-02 | 华中科技大学 | Method of building communication network current differential emergency protection channel |
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| US20060039288A1 (en) * | 2004-08-17 | 2006-02-23 | National Applied Research Laboratories National Center For High-Performance Computing | Network status monitoring and warning method |
| CN102308487B (en) * | 2009-05-08 | 2014-01-08 | 华为技术有限公司 | Method, equipment and system for managing lines between access device at central office end and terminal devices |
| DE102012210126A1 (en) * | 2012-06-15 | 2013-12-19 | Siemens Aktiengesellschaft | Method for operating a network arrangement, network device and network arrangement |
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| CN101924391A (en) * | 2010-08-03 | 2010-12-22 | 国网电力科学研究院武汉南瑞有限责任公司 | Electric distribution network feeder automation system based on wireless ad hoc network and networking method thereof |
| CN103116346A (en) * | 2013-02-22 | 2013-05-22 | 西安众恒科技有限公司 | Power quality online monitoring system of network topology wireless communication |
| CN105120484A (en) * | 2015-08-21 | 2015-12-02 | 华中科技大学 | Method of building communication network current differential emergency protection channel |
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