CN109888922A - A kind of fault wave recording device, decentralization fault recording system and method - Google Patents
A kind of fault wave recording device, decentralization fault recording system and method Download PDFInfo
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- CN109888922A CN109888922A CN201910168520.6A CN201910168520A CN109888922A CN 109888922 A CN109888922 A CN 109888922A CN 201910168520 A CN201910168520 A CN 201910168520A CN 109888922 A CN109888922 A CN 109888922A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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Abstract
The invention discloses a kind of fault wave recording device, decentralization fault recording system and methods, the program is a kind of wave recording device freely configured by analog quantity and On-off signal channel, double-network redundant connects between device, carry out Network Synchronization can be surveyed by delay, it networks and triggers between device, each device is recorded and is sent outside itself sampled data, also records the sampled data that other devices are sent, and the technic relization scheme of the decentralization of total data can be checked from any device access.The present invention is different from conventional failure recording implementation; there are following features: screen cabinet can be saved by number of channels distribution configuration; double-network redundant improves the reliability of connection; delay can survey grid network clock synchronization saved connecting line and interface; the synchronous triggering of networking realizes the capture of noisy data panorama; each device redundancey record improves data reliability, and arbitrary point access checks that total data solves the problems, such as directly access mutually between protection control cell wave recording device.
Description
Technical field
The invention belongs to power system and automation technologies, are related to electric grid relay protection technology, and in particular to one
Kind fault wave recording device, decentralization fault recording system and method.
Background technique
Power system fault recorder is the signals such as acquisition, record, analysis electric system electric current, voltage, switching value
A kind of device, main task be record electricity system large disturbances occur front and back related system electric parameter change procedure and after
The action behavior of electric protection and automatic safety device provides help for perturbation analysis, troubleshooting.Fault wave recording device is as electricity
The black box of net failure or abnormal conditions record is the important evidence of electric network fault analysis.
Failure wave-recording is light recording mode earliest.Power System Disturbances signal drives an oscillator, the light beam on oscillator
Mobile film exposure is set to leave the track of light, which just reflects the track of system signal variation substantially.By film processing
Accident analysis is carried out after out, this light formula wave recording device is frequently encountered the serious problems such as mechanical breakdown, film failure, leads
Cause can not normal recordings system disturbance, can be described as mechanical fault wave recording device.
With the development of Microcomputer Technology, the digitalized fault wave recording device based on microprocessor is developed out
Come.Analog signals are mainly converted into digital quantity by analog-to-digital conversion module by this device, carry out number by microprocessor
Change operation, analysis and storage.The wave recording device applied at present is substantially all based on this technology, can be described as digitalized fault
Wave recording device.
Digitized failure wave-recording is centralized implementation, and general every fault wave recording device acquires most 96 tunnel simulations
Amount and 192 way switch amounts, by voltage class and element configuration, such as: the dynamic recording device of 500kV substation is according to voltage etc.
Grade, which is classified, to be configured, and the part 500kV (containing route, breaker, reactor), main transformer, the part 220kV (containing route, mother, are divided
Section, bypass) dynamic recording device is respectively configured.500kV presses part relay protection control cell configuration dynamic recording device.It is main
Become part and presses one dynamic recording device of every two (group) transformer configurations.It is small that each wave recording device dispersion is mounted on each protection control
Room is managed each small as shown in Figure 1, arriving the recording background management unit of master control room by network connection centered on administrative unit
Room wave recording device.There are the following problems for this mode:
1. the fault wave recording device of centralization needs special screen cabinet, more occupied space resources.
2. each fault wave recording device constructing communication network lacks communication backup using single net connection.
3. the independent external clock synchronization of the fault wave recording device of each cell, there are multiple clock sources, and lack effective clock pipe
Reason, can not confirm whether each wave recording device really synchronizes, so as to cause asynchronous sampling.
4. the fault wave recording device asynchronous sampling of each cell, the networking triggering recording function of not synchronizing, cause each small
The respective independent operating of room recording, can not uniformly start recording in system jam, when accident analysis needs to merge multiple waves
When shape Conjoint Analysis, data are asynchronous to make troubles to accident analysis；
5. fault wave recording device recorder data lacks redundancy.When certain device damages, all amounts (96 road moulds of access
+ 192 way switch amount of analog quantity) it all will be unable to record, if breaking down during this period, it will lack crucial recorder data, to fast
It is totally unfavorable to eliminate power supply recovered from failure in time for the accurate analyzing failure cause of speed.In addition, only just from recording background management unit
Can check all wave recording device files, between each wave recording device can not data exchange visits, can not be checked entirely in any device installation point
Portion's failure wave-recording.
Summary of the invention
The technical problems to be solved by the present invention are: the fault wave recording device for centralization occupies special screen cabinet, recording
Data lack redundancy, and each cell wave recording device sampling is asynchronous with recording, and the star centered on recording background management unit
Data are exchanged visits inconvenient disadvantage between each wave recording device under type structure, propose a kind of fault wave recording device, decentralization therefore
Hinder recording system and method, by analog quantity and On-off signal channel decentralized configuration, uses Ethernet between each wave recording device
The double net connections of redundancy, using delay can survey grid network mode set time with it is synchronous, the starting of any one wave recording device can trigger it
Its wave recording device synchronous averaging can check the solution of the recorder data of all wave recording devices from any wave recording device by network insertion
Certainly scheme.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of fault wave recording device, the fault wave recording device acquire at least 8 tunnel analog quantitys, 16 way switch amount signals, peace
Mounted in the clear position of protection screen cabinet, screen cabinet is not occupied individually；Two network ports, failure record is arranged in the fault wave recording device
Wave apparatus is by the local triggering starting recording that triggers or network, and after recording starting, on the one hand the fault wave recording device records
The sampled data of itself, while the sampled data of itself being broadcast on network, it is used for other fault wave recording devices；Another party
Face records the sampled data of the other fault wave recording devices received from network simultaneously, and forms the recording for merging all channel datas
File；By Arbitrary Fault wave recording device, the recorded wave file of all fault wave recording devices in network can be checked；
The networking triggering starting recording specifically refers to: fault wave recording device is by receiving starting message starting record from network
Wave.
Further, connected between the fault wave recording device and other fault wave recording devices using the double nets of ethernet redundancy
It connects, sends identical data content respectively by two network ports, recipient extracts the 1st arrival from receiving in 2 parts of data
Data frame abandons duplicate frame.
Further, the fault wave recording device carries out network clock synchronization by external clock reference: sending net by external clock reference
Network clock synchronization message, external clock reference sends " synchronization " message to fault wave recording device, and sending time T1 is charged to deposit
Device；Fault wave recording device receives this " synchronization " message, the time T2 received in note；Clock source is sent to fault wave recording device
Time T1 is embedded into " following " message by " following " message；Fault wave recording device sends one " latency request " to clock source
Message, and it is embedded in time stamp T 3；Clock source receives " latency request " message and the T4 that keeps track of time；T4 is embedded in " delay by clock source
In response " message, it is sent to fault wave recording device；According to four times calculate delay between clock source and wave recording device and
Time migration corrects the clock of fault wave recording device according to time migration, realizes and synchronizes.
The present invention proposes a kind of decentralization fault recording system simultaneously, and the decentralization fault recording system includes
Several fault wave recording devices；
The fault wave recording device presses analog quantity and On-off signal channel decentralized configuration, and each interval configures an event
Hinder wave recording device, be mounted on the clear position of protection screen cabinet, does not occupy screen cabinet individually；Each fault wave recording device at least acquires 8
Road analog signals, 16 way switch amount signals；Two network ports are arranged in the fault wave recording device；
Using the double net connections of ethernet redundancy between each fault wave recording device, using delay can survey grid network mode set time
With synchronous, the other fault wave recording device synchronous averagings of any one fault wave recording device starting triggering；After recording starting, each event
On the one hand barrier wave recording device records the sampled data of itself, while the sampled data of itself being broadcast on network, for other events
Hinder wave recording device to use；On the other hand the sampled data of the other fault wave recording devices received from network is recorded simultaneously, and formed
Merge the recorded wave file of all channel datas；By accessing Arbitrary Fault wave recording device, all fault wave recording devices can be checked
Recorded wave file.
Further, using the double net connections of ethernet redundancy between each fault wave recording device, by two network ports
Identical data content is sent respectively, and recipient extracts the data frame of the 1st arrival from receiving, abandons duplicate in 2 parts of data
Frame.
Further, it is described using delay can survey grid network mode set time with synchronize specifically refer to: by external clock reference
Network clock synchronization message is sent, external clock reference sends " synchronization " message to fault wave recording device, and sending time T1 is remembered
Enter register；Fault wave recording device receives this " synchronization " message, the time T2 received in note；Clock source is filled to failure wave-recording
It sets transmission and " follows " message, time T1 is embedded into " following " message；Fault wave recording device sends " a delay to clock source
Request " message, and it is embedded in time stamp T 3；Clock source receives " latency request " message and the T4 that keeps track of time；T4 is embedded in by clock source
In " delayed response " message, it is sent to fault wave recording device；It is calculated between clock source and wave recording device according to four times
Delay and time migration correct the clock of fault wave recording device according to time migration, realize and synchronize.
Further, it is specific to trigger other fault wave recording device synchronous averagings for any one described fault wave recording device starting
Refer to: when the disturbance of some electrical quantity or switching value displacement, the fault wave recording device for triggering the access electrical quantity or switching value are opened
Dynamic recording, then the fault wave recording device sends starting message by network, and networking triggers other fault wave recording devices and starts recording.
The present invention proposes a kind of decentralization failure wave-recording method simultaneously, includes the following steps:
Step 1: each interval configures a fault wave recording device, is responsible for the recorder data of acquisition and recording itself；The event
Barrier wave recording device is mounted on the clear position of protection screen cabinet, does not occupy screen cabinet individually；Each fault wave recording device at least acquires 8 tunnels
Analog signals, 16 way switch amount signals；The fault wave recording device is arranged two A mouthfuls, B mouthfuls of the network port；
Step 2: using the double net connections of ethernet redundancy between each fault wave recording device, being built by independent switch device
The vertical bis- nets of A, B are respectively connected to A, B net for A mouthfuls, B mouthfuls of each device, do not have data exchange between A, B net；
Step 3: A, B net will be accessed with the synchronous clock source of network time adjustment function, provide synchronised clock for failure wave-recording
Message；
Step 4: the starting of any one fault wave recording device triggers other fault wave recording device synchronous averagings, each interval
Fault wave recording device is subscribed in the sampled data publication to local area network at place interval, often for other interval fault wave recording devices
The fault wave recording device at a interval is in addition to recording data, while the recording at the other intervals for also needing record to receive by subscription
Data；
Step 5. forms the recorded wave file for merging all channel datas；By accessing Arbitrary Fault wave recording device, Neng Goucha
See the recorded wave file of all fault wave recording devices.
Further, two network ports of fault wave recording device send identical data content respectively in the step 2,
Recipient extracts the data frame of the 1st arrival from receiving in 2 parts of data, abandon duplicate frame.
Further, the step 3 specifically includes: by external clock reference send network clock synchronization message, external clock reference to
Fault wave recording device sends " synchronization " message, and sending time T1 is charged to register；Fault wave recording device receives this
" synchronization " message, the time T2 received in note；Clock source sends " following " message to fault wave recording device, and time T1 is embedded in
Into " following " message；Fault wave recording device sends " latency request " message to clock source, and is embedded in time stamp T 3；Clock
Source receives " latency request " message and the T4 that keeps track of time；T4 is embedded in " delayed response " message by clock source, is sent to failure record
Wave apparatus；Delay and time migration between clock source and wave recording device are calculated according to four times, according to time migration school
The clock of positive fault wave recording device, realizes and synchronizes.
Further, the step 4 specifically includes: any one described fault wave recording device starting triggers other failure records
Wave apparatus synchronous averaging specifically refers to: when the disturbance of some electrical quantity or switching value displacement, triggering and accesses the electrical quantity or switch
The fault wave recording device starting recording of amount, then the fault wave recording device sends starting message, the other events of networking triggering by network
Hinder wave recording device and starts recording.
The beneficial effects of the present invention are:
It is different from traditional fault wave recording device, technical solution of the present invention has the following advantages:
1. pressing analog quantity and On-off signal channel decentralized configuration device, it is not take up since device volume is small special
Shield cabinet, more traditional centralized device saves space occupied；
2. double-network redundant improves the reliability connected between each wave recording device；
3. delay can the more traditional B code clock synchronization mode of survey grid network clock synchronization saved connecting line and interface, while effectively supervising
The synchronous regime of each device；
4. the more traditional independent triggers of the synchronous triggering of networking realize comprehensive noisy data scene capture；
5. redundant recording data improve the reliability of data record, arbitrary point access checks that total data solves control
The problem of whole recorder datas cannot be directly viewable between cell wave recording device.
Detailed description of the invention
Fig. 1 substation conventional failure recording screen cabinet configuration schematic diagram；
Fig. 2 decentralization fault wave recording device architecture
Fig. 3 fault wave recording device hardware
The connection of Fig. 4 fault wave recording device double-network redundant
Fig. 5 hinders wave recording device delay can survey grid network clock synchronization
The networking triggering of Fig. 6 fault wave recording device
Fig. 7 fault wave recording device redundant recording
Fig. 8 fault wave recording device functional block diagram
Fig. 9 recording software block diagram
Figure 10 networking triggering software flow pattern
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to drawings and examples,
The specific embodiment progress of technical solution of the present invention in further detail, is clearly illustrated.
It is illustrated in figure 3 fault wave recording device hardware schematic of the invention.Fault wave recording device of the invention acquire to
Few 8 tunnel analog quantitys, 16 way switch amount signals are mounted on the clear position of protection screen cabinet, do not occupy screen cabinet individually；The failure record
Two network ports are arranged in wave apparatus, and fault wave recording device is by the local triggering starting recording that triggers or network, when recording starts
Afterwards, on the one hand the fault wave recording device records the sampled data of itself, while the sampled data of itself being broadcast on network,
It is used for other fault wave recording devices；On the other hand the hits of the other fault wave recording devices received from network is recorded simultaneously
According to, and form the recorded wave file for merging all channel datas；By Arbitrary Fault wave recording device, all events in network can be checked
Hinder the recorded wave file of wave recording device；
Above-mentioned networking triggering starting recording specifically refers to: fault wave recording device is by receiving starting message starting record from network
Wave.
As shown in figure 4, connected between fault wave recording device and other fault wave recording devices using the double nets of ethernet redundancy, by
Two network ports send identical data content respectively, and recipient extracts the data of the 1st arrival from receiving in 2 parts of data
Frame abandons duplicate frame.
Fault wave recording device in the present embodiment carries out network clock synchronization by external clock reference: sending network by external clock reference
Clock synchronization message, external clock reference sends " synchronization " message to fault wave recording device, and sending time T1 is charged to register；
Fault wave recording device receives this " synchronization " message, the time T2 received in note；Clock source to fault wave recording device send " with
With " message, time T1 is embedded into " following " message；Fault wave recording device sends one " latency request " report to clock source
Text, and it is embedded in time stamp T 3；Clock source receives " latency request " message and the T4 that keeps track of time；Clock source by T4 insertion, " answer by delay
Answer " in message, it is sent to fault wave recording device；According to four times calculate delay between clock source and wave recording device and when
Between deviate, according to time migration correct fault wave recording device clock, realize synchronize.
19 inch of 5 slot 6U cabinet of standard is used in fault wave recording device hardware design as shown in Figure 3, design is following altogether
3 kinds of plug-in units:
CPU card: realize that analog quantity, the acquisition of switching value data, analysis, starting, storage, clock synchronization, synchronization, network connect
It connects, data publication, networking triggering, debugging function；
Analog quantity plug-in unit: voltage, the isolation of current-mode analog quantity input signal and conditioning are realized, being converted into full scale is ± 10V
Small signal；Every block of plug-in unit can support 8 road analog inputs.
Switching value and power insert: On-off signal and power supply are in same plug-in unit.Wherein, it is realized using photoelectric coupled circuit
The optical isolation of On-off signal signal；The external direct current DC110V/220V of power unit or exchange AC110V/220V power supply, isolation
Working power is provided after transformation for whole device；Every block of plug-in unit can support 32 way switch amounts to input.Functional block diagram is as shown in Figure 8.
Fault wave recording device software design is as shown in figure 9, be divided into driving layer, analytic sheaf, application layer, database, communication clothes
Totally 5 big module, each function are as shown in the figure for business.Driving layer realizes controling and useing for various hardware resources, shields bottom to upper layer
The physical details of hardware；Analytic sheaf is realized the parsing of various bottom messages and is shared, and gets out all raw data for upper layer application；
Application layer realizes the core function of recording, is analyzed initial data and is recorded, generates ripe data；Database layer realizes processing
Data afterwards sort out and management, provide ripe data for communications applications.
The present invention discloses a kind of decentralization fault recording system, the decentralization fault recording system includes
Several fault wave recording devices；
The fault wave recording device presses analog quantity and On-off signal channel decentralized configuration, and each interval configures an event
Hinder wave recording device, be mounted on the clear position of protection screen cabinet, does not occupy screen cabinet individually；Each fault wave recording device at least acquires 8
Road analog signals, 16 way switch amount signals；Two network ports are arranged in the fault wave recording device；
Using the double net connections of ethernet redundancy between each fault wave recording device, using delay can survey grid network mode set time
With synchronous, the other fault wave recording device synchronous averagings of any one fault wave recording device starting triggering；After recording starting, each event
On the one hand barrier wave recording device records the sampled data of itself, while the sampled data of itself being broadcast on network, for other events
Hinder wave recording device to use；On the other hand the sampled data of the other fault wave recording devices received from network is recorded simultaneously, and formed
Merge the recorded wave file of all channel datas；By accessing Arbitrary Fault wave recording device, all fault wave recording devices can be checked
Recorded wave file.
In the present embodiment, using the double net connections of ethernet redundancy between each fault wave recording device, by two network-sides
Mouth sends identical data content respectively, and recipient extracts the data frame of the 1st arrival from receiving, abandons and repeat in 2 parts of data
Frame.
In the present embodiment, it is described using delay can survey grid network mode set time with synchronize specifically refer to: by external clock
Source sends network clock synchronization message, and external clock reference sends " synchronization " message to fault wave recording device, and by sending time T1
Charge to register；Fault wave recording device receives this " synchronization " message, the time T2 received in note；Clock source is to failure wave-recording
Device sends " following " message, and time T1 is embedded into " following " message；Fault wave recording device sends one to clock source and " prolongs
When request " message, and be embedded in time stamp T 3；Clock source receives " latency request " message and the T4 that keeps track of time；Clock source is embedding by T4
Enter in " delayed response " message, is sent to fault wave recording device；It is calculated between clock source and wave recording device according to four times
Delay and time migration, according to time migration correct fault wave recording device clock, realize synchronize.
In the present embodiment, any one described fault wave recording device starting triggers other fault wave recording device synchronous averaging tools
Body refers to: when the disturbance of some electrical quantity or switching value displacement, triggering the fault wave recording device for accessing the electrical quantity or switching value
Start recording, then the fault wave recording device sends starting message by network, and networking triggers other fault wave recording device starting records
Wave.
A kind of another specific embodiment of decentralization fault recording system is as shown in Figure 2:
1. each fault wave recording device is by least 8 road analog sensors, at least 16 way switch quantity sensors, A/D conversion and
Sampling, signal processing, communication, storage section composition.
2. the communication technology schemes of the double nets of redundancy, by double nets (A, B net) interconnection of redundancy between each wave recording device,
Identical data content is sent respectively by two network ports of A, B, and recipient extracts the 1st arrival from receiving in 2 parts of data
Data frame abandons duplicate frame.As shown in Figure 4.
3. delay can survey grid network clock synchronization, each wave recording device by the measurable network timing mode of being delayed carry out clock it is synchronous and
Sample-synchronous sends network clock synchronization message by external clock reference.Clock source sends one " synchronization " to fault wave recording device
(Sync) message, and sending time T1 is charged into register.Fault wave recording device receives this " synchronization " message, receives in note
Time T2.Clock source sends " following " (Follow_Up) message to fault wave recording device, and time T1 is embedded into " following " report
Wen Zhong.Fault wave recording device sends " latency request " (Delay_Req) message to clock source, and is embedded in time stamp T 3.When
Zhong Yuan receives " latency request " message and the T4 that keeps track of time.T4 is embedded in " delayed response " (Delay_Resp) message by clock source
In, it is sent to fault wave recording device.The delay (Delay) between clock source and wave recording device can be calculated according to this four times
With time migration (Offset).
Average path time delay:
For fault wave recording device:
Delay+Offset=T2-T1 (2)
So, the time deviation of fault wave recording device:
Offset=T2-T1-Delay (3)
According to the Offset, that is, recoverable fault wave recording device clock, realizes and synchronize.
4. networking triggering
When the disturbance of some electrical quantity or switching value displacement, the fault wave recording device for accessing the electrical quantity or switching value is triggered
Start recording, then the wave recording device can send starting message by network, and networking triggers other fault wave recording devices and starts recording.
This invention takes following frame formats to realize networking triggering:
The domain [1. DST ADDR] should fill in target network interface card MAC Address or broadcast address (0xFF, 0xFF, 0xFF, 0xFF,
0xFF,0xFF)；
2. the domain [SRC ADDR] should fill in the MAC Address for sending network interface card；
3. the syllable sequence in the domain [TYPE] is big end syllable sequence (BIG-ENDIAN), this agreement is 0x0996.
Data field
| Offset | Data type | Symbol | Illustrate or value |
| 0~1 | Uint16 | LEN | Data field length |
| 2~3 | Uint16 | FltNum | Failure serial number |
| 4~7 | Uint32 | TrigTimeSOC | Failure triggering moment: century second |
| 8~11 | Uint32 | TrigTimeus | Failure triggering moment: microsecond |
| 10~45 | Rev | Reserved field |
Networking triggering software algorithm design
Its working condition is as follows:
A. without local triggering, triggering of not networking is without any processing；
Oneself triggering moment after waiting maximum communication delay, is written broadcasting packet and broadcasts connection by B. only local triggering
Net triggering message；
C. networking triggering message is only received, after waiting maximum communication delay, at the time of by triggering earliest in the broadcast received
Trigger recording；
D. existing local triggering, and networking triggering is received, maximum communication delay is waited, triggers and records by earliest triggering moment
Wave.
Networking triggering software flow design is as shown in Figure 10,
5. redundant recording
Each wave recording device sends itself sampled data in real time outward, after recording starting, each device synchronous recording itself
Sampled data, while the sampled data of the other wave recording devices received from network is recorded, and formed and merge all channel datas
Recorded wave file can access the record of all wave recording devices by any wave recording device of network insertion when needing to obtain recorder data
Wave file.
A kind of specific embodiment of decentralization failure wave-recording method of the invention, includes the following steps:
Step 1: each interval configures a fault wave recording device, is responsible for the recorder data of acquisition and recording itself；The event
Barrier wave recording device is mounted on the clear position of protection screen cabinet, does not occupy screen cabinet individually；Each fault wave recording device at least acquires 8 tunnels
Analog signals, 16 way switch amount signals；The fault wave recording device is arranged two A mouthfuls, B mouthfuls of the network port；
Step 2: using the double net connections of ethernet redundancy between each fault wave recording device, being built by independent switch device
The vertical bis- nets of A, B are respectively connected to A, B net for A mouthfuls, B mouthfuls of each device, do not have data exchange between A, B net；
Two network ports of fault wave recording device send identical data content respectively, and recipient is from receiving 2 parts of data
The middle data frame for extracting the 1st arrival, abandons duplicate frame.
Step 3: A, B net will be accessed with the synchronous clock source of network time adjustment function, provide synchronised clock for failure wave-recording
Message；It specifically includes: network clock synchronization message being sent by external clock reference, external clock reference sends one to fault wave recording device
" synchronization " message, and sending time T1 is charged into register；Fault wave recording device receives this " synchronization " message, receives in note
Time T2；Clock source sends " following " message to fault wave recording device, and time T1 is embedded into " following " message；Failure record
Wave apparatus sends " latency request " message to clock source, and is embedded in time stamp T 3；Clock source receives " latency request " message
And the T4 that keeps track of time；T4 is embedded in " delayed response " message by clock source, is sent to fault wave recording device；It is counted according to four times
The delay and time migration between clock source and wave recording device are calculated, the clock of fault wave recording device is corrected according to time migration,
It realizes and synchronizes.
Step 4: the starting of any one fault wave recording device triggers other fault wave recording device synchronous averagings, each interval
Fault wave recording device is subscribed in the sampled data publication to local area network at place interval, often for other interval fault wave recording devices
The fault wave recording device at a interval is in addition to recording data, while the recording at the other intervals for also needing record to receive by subscription
Data；
Any one fault wave recording device starting triggers other fault wave recording device synchronous averagings and specifically refers to: when some electricity
Tolerance disturbance or switching value displacement trigger the fault wave recording device starting recording for accessing the electrical quantity or switching value, the then event
Hinder wave recording device and starting message is sent by network, networking triggers other fault wave recording devices and starts recording.
Step 5. forms the recorded wave file for merging all channel datas；By accessing Arbitrary Fault wave recording device, Neng Goucha
See the recorded wave file of all fault wave recording devices.
Traditional failure wave-recording is centered on recording background management unit, with each centralized fault wave recording device composition
Hub-and-spoke configuration accesses the recorded wave file of other each failure fault wave recording devices centered on recording background management unit.The present invention
It is the solution of decentralization, Arbitrary Fault wave recording device can access the recorded wave file of all fault wave recording devices.
The above examples only illustrate the technical idea of the present invention, and this does not limit the scope of protection of the present invention, all
According to the technical idea provided by the invention, any changes made on the basis of the technical scheme each falls within the scope of the present invention
Within.
Claims (11)
1. a kind of fault wave recording device, which is characterized in that the fault wave recording device acquires at least 8 tunnel analog quantitys, 16 way switch
Signal is measured, the clear position of protection screen cabinet is mounted on, does not occupy screen cabinet individually；Two network-sides are arranged in the fault wave recording device
Mouthful, fault wave recording device is by local trigger or network triggering starting recording, after recording starting, the fault wave recording device one
Aspect records the sampled data of itself, while the sampled data of itself being broadcast on network, makes for other fault wave recording devices
With；On the other hand the sampled data of the other fault wave recording devices received from network is recorded simultaneously, and formed and merge all channels
The recorded wave file of data；By Arbitrary Fault wave recording device, the recorded wave file of all fault wave recording devices in network can be checked；
The networking triggering starting recording specifically refers to: fault wave recording device starts recording by receiving starting message from network.
2. a kind of fault wave recording device as described in claim 1, which is characterized in that the fault wave recording device and other failures are recorded
Using the double net connections of ethernet redundancy between wave apparatus, identical data content, recipient are sent respectively by two network ports
From the data frame for extracting the 1st arrival in 2 parts of data is received, duplicate frame is abandoned.
3. a kind of fault wave recording device as described in claim 1, which is characterized in that the fault wave recording device is by external clock reference
It carries out network clock synchronization: network clock synchronization message being sent by external clock reference, external clock reference sends one " together to fault wave recording device
Step " message, and sending time T1 is charged into register；Fault wave recording device receives this " synchronization " message, receives in note
Time T2；Clock source sends " following " message to fault wave recording device, and time T1 is embedded into " following " message；Failure wave-recording
Device sends " latency request " message to clock source, and is embedded in time stamp T 3；Clock source receives " latency request " message simultaneously
Keep track of time T4；T4 is embedded in " delayed response " message by clock source, is sent to fault wave recording device；It is calculated according to four times
Delay and time migration between clock source and wave recording device out corrects the clock of fault wave recording device according to time migration, real
Now synchronize.
4. a kind of decentralization fault recording system, which is characterized in that the decentralization fault recording system includes several events
Hinder wave recording device；
The fault wave recording device presses analog quantity and On-off signal channel decentralized configuration, and each interval configures a failure record
Wave apparatus is mounted on the clear position of protection screen cabinet, does not occupy screen cabinet individually；Each fault wave recording device at least acquires 8 road moulds
Analog quantity signal, 16 way switch amount signals；Two network ports are arranged in the fault wave recording device；
Using the double net connections of ethernet redundancy between each fault wave recording device, using delay can survey grid network mode set time and together
Step, the starting of any one fault wave recording device trigger other fault wave recording device synchronous averagings；After recording starting, each failure record
On the one hand wave apparatus records the sampled data of itself, while the sampled data of itself being broadcast on network, records for other failures
Wave apparatus uses；On the other hand the sampled data of the other fault wave recording devices received from network is recorded simultaneously, and form merging
The recorded wave file of all channel datas；By accessing Arbitrary Fault wave recording device, the record of all fault wave recording devices can be checked
Wave file.
5. a kind of decentralization fault recording system as claimed in claim 4, which is characterized in that each fault wave recording device it
Between using the double net connections of ethernet redundancy, send identical data content respectively by two network ports, recipient is from receiving 2 parts
The data frame that the 1st arrival is extracted in data, abandons duplicate frame.
6. a kind of decentralization fault recording system as claimed in claim 4, which is characterized in that described to use delay survey grid network
Mode set time with synchronize specifically refer to: network clock synchronization message is sent by external clock reference, external clock reference is to failure wave-recording
Device sends " synchronization " message, and sending time T1 is charged to register；Fault wave recording device receives this " synchronization " report
Text, the time T2 received in note；Clock source sends " following " message to fault wave recording device, and time T1 is embedded into " following "
In message；Fault wave recording device sends " latency request " message to clock source, and is embedded in time stamp T 3；Clock source receives
" latency request " message and the T4 that keeps track of time；T4 is embedded in " delayed response " message by clock source, is sent to fault wave recording device；
Delay and time migration between clock source and wave recording device are calculated according to four times, failure record is corrected according to time migration
The clock of wave apparatus is realized and is synchronized.
7. a kind of decentralization fault recording system as claimed in claim 4, which is characterized in that any one described failure wave-recording
Device starting triggers other fault wave recording device synchronous averagings and specifically refers to: when the disturbance of some electrical quantity or switching value displacement, touching
The fault wave recording device starting recording for accessing the electrical quantity or switching value is sent out, then the fault wave recording device is opened by network transmission
Dynamic message, networking trigger other fault wave recording devices and start recording.
8. a kind of decentralization failure wave-recording method, which comprises the steps of:
Step 1: each interval configures a fault wave recording device, is responsible for the recorder data of acquisition and recording itself；The failure record
Wave apparatus is mounted on the clear position of protection screen cabinet, does not occupy screen cabinet individually；Each fault wave recording device at least acquires the simulation of 8 tunnels
Measure signal, 16 way switch amount signals；The fault wave recording device is arranged two A mouthfuls, B mouthfuls of the network port；
Step 2: using the double net connections of ethernet redundancy between each fault wave recording device, by independent switch device establish A,
The bis- nets of B are respectively connected to A, B net for A mouthfuls, B mouthfuls of each device, do not have data exchange between A, B net；
Step 3: A, B net will be accessed with the synchronous clock source of network time adjustment function, provide synchronised clock message for failure wave-recording；
Step 4: the starting of any one fault wave recording device triggers other fault wave recording device synchronous averagings, the failure at each interval
Wave recording device is subscribed in the sampled data publication to local area network at place interval, between each for other interval fault wave recording devices
Every fault wave recording device in addition to recording data, while also needing record by subscribing to the recording number at other intervals received
According to；
Step 5. forms the recorded wave file for merging all channel datas；By accessing Arbitrary Fault wave recording device, institute can be checked
The recorded wave file of faulty wave recording device.
9. a kind of decentralization failure wave-recording method as claimed in claim 8, which is characterized in that failure is recorded in the step 2
Two network ports of wave apparatus send identical data content respectively, and recipient extracts the 1st arrival from receiving in 2 parts of data
Data frame, abandon duplicate frame.
10. a kind of decentralization failure wave-recording method as claimed in claim 8, which is characterized in that
The step 3 specifically includes: sending network clock synchronization message by external clock reference, external clock reference is sent out to fault wave recording device
" synchronization " message is sent, and sending time T1 is charged into register；Fault wave recording device receives this " synchronization " message, in note
The time T2 received；Clock source sends " following " message to fault wave recording device, and time T1 is embedded into " following " message；
Fault wave recording device sends " latency request " message to clock source, and is embedded in time stamp T 3；Clock source receives that " delay is asked
Ask " message and the T4 that keeps track of time；T4 is embedded in " delayed response " message by clock source, is sent to fault wave recording device；According to four
A time calculates delay and time migration between clock source and wave recording device, corrects fault wave recording device according to time migration
Clock, realize synchronize.
11. a kind of decentralization failure wave-recording method as claimed in claim 8, which is characterized in that the step 4 is specifically wrapped
Include: any one described fault wave recording device starting triggers other fault wave recording device synchronous averagings and specifically refers to: when some electricity
Tolerance disturbance or switching value displacement trigger the fault wave recording device starting recording for accessing the electrical quantity or switching value, the then event
Hinder wave recording device and starting message is sent by network, networking triggers other fault wave recording devices and starts recording.
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