CN102932447A - Distribution room remote data acquisition and analysis system - Google Patents
Distribution room remote data acquisition and analysis system Download PDFInfo
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- CN102932447A CN102932447A CN2012104239718A CN201210423971A CN102932447A CN 102932447 A CN102932447 A CN 102932447A CN 2012104239718 A CN2012104239718 A CN 2012104239718A CN 201210423971 A CN201210423971 A CN 201210423971A CN 102932447 A CN102932447 A CN 102932447A
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Abstract
The invention discloses a remote distribution room data acquisition system. The system comprises data acquisition terminals, a data forwarding device and a data center. The data forwarding device hooks multiple data acquisition terminals through a CAN (controller area network) bus. The data forwarding device transfers the data information on the data acquisition terminals to the data center at the remote end through a wireless public network. The data center comprises a data acquisition server, a data storage server, a data analysis server and a data publishing server. The remote data acquisition system provided by the invention can be connected to a distribution room data analysis system. The system is mainly used for acquiring, arranging, storing and analyzing the distribution room operation data, improves the distribution room operation and maintenance management level and efficiency, and is favorable for guaranteeing the power supply safety of the distribution room.
Description
Technical field
The invention belongs to the electric power information field, be specifically related to a kind of switchgear house real time remote data acquisition and analysis system.
Background technology
Electric power is the important foundation of national economy, switchgear house is in the pyramidal bottom of whole electrical network, national big and small switchgear house is in hundreds of thousands, wherein the general independence maintenance all of the switchgear house of industrial and commercial enterprises and institutions exists the situation that the professional and technical personnel lacks, the management of technical capability finite sum is not in place more at large.
By at switchgear house installation data acquisition terminal, various electric quantity signals and the ambient signal of switchgear house carried out round-the-clock monitoring, and by the public wireless the Internet data centralization is preserved collective analysis.Each switchgear house needs to install separately a cover monitoring software before, and each scene needs to carry out Installation and Debugging work.Such complicated operation, cost is high, and is also high to technical staff's requirement.Be unfavorable for the upgrading of unified management and software.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of switchgear house remote data acquisition analytical system is provided, it is mainly used in unified compiling and preserves analysis switchgear house operation data, improves switchgear house maintenance management level and efficient.
Advantage of the present invention is: the present invention changes browser into client's monitoring software, and concrete logic realization is on Web server, and as long as the system maintenance upgrading is at server; And submit the service data report with differentiation to according to different customer demands; Can also be according to the long term monitoring result for valuable suggestion be provided to the client.Remote data acquisition system provided by the invention can access in the switchgear house data analysis system.This systematic collection arrangement is preserved and is analyzed the switchgear house operation data, helps to ensure the switchgear house Supply Security.
Description of drawings
Fig. 1 is switchgear house remote data acquisition analytical system general structure schematic diagram of the present invention.
Fig. 2 is Level 1Alarming flow chart of the present invention.
Fig. 3 is secondary alarm processing figure of the present invention.
Fig. 4 is data center of the present invention structural representation.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, system configuration of the present invention comprises: data collection station, data forwarding device and data center, the data collection station of a plurality of switchgear houses all is connected to data forwarding device by the CAN bus, is connected to data center by described data forwarding device by wireless public network again.
Described data collection station, in order to gather the electric quantity signal on each circuit of switchgear house, comprise voltage, electric current, active power, reactive power, power factor, mains frequency, voltage harmonic, current harmonics, active energy and reactive energy signal etc., and the ambient signal in the collection power distribution cabinet, comprise temperature, humidity, noise, vibration signal etc.; Described data collection station carries out out-of-limit judgement to gathering the signal that comes up, if out-of-limit, then generate out-of-limit event and directly sends to data forwarding device.Described out-of-limit event is called Level 1Alarming information, as shown in Figure 2, if trigger Level 1Alarming, then generates event information and uploads immediately, and be included into the day data message that generates every day and regularly upload.Described data collection station is furnished with the mass data storage module, and in order to statistics and the history curve data of preserving every day, the history curve data refer to the image data by the predetermined period preservation; Described data forwarding device, in order to the data message on the data collection station is sent to the data center of far-end by wireless public network, described data forwarding device articulates a plurality of data collection stations by the CAN bus.
Described data collection station adopts the high-performance 32-bit dsp processor on the hardware, be equipped with the special-purpose AD converter of 16bit electric power of high capability flash and two-forty sampling.Take the C language development as main, assembler language is adopted in a small amount of place in the software development of this device, and development scheme adopts multithreading, modularization.
Described data forwarding device, the same 32 bit DSP processors that adopt on the hardware, expansion has two CAN mouths, an Ethernet interface, two RS485 interfaces, a wireless public network module.Develop same data collection station on the software.
As shown in Figure 4, described data center has data collection server, data storage server, data analytics server, data distribution server.
Described data collection server, in order to each switchgear house in data forwarding device carry out communication, thereby collect the data message on each data collection station and be saved in the data storage server; For the out-of-limit event that collects, switch changed position event and fault trip event, described data collection server will be distributed to the associated user immediately by the data distribution server of data center.
Described data storage server, the data message of relying the system configuration information of work, collecting from data collection station in order to each server of storing the notebook data center, and the analysis result that is generated by data analytics server.
Described data analytics server in order to the data message that Treatment Analysis is collected from the data collection station of each switchgear house, generates the appraisal report of each switchgear house operation conditions, and is saved on the data storage server.
Described data distribution server, in order to immediately to issue out-of-limit event, switch changed position event and the fault trip event of switchgear house to the associated user by short message mode, issue the appraisal report of switchgear house operation conditions by E-mail mode to the associated user, the query function of data message is provided to each switchgear house user by the webpage mode.
Described data collection server is a server computer of data center, this computer is equipped with the data collection software into the special exploitation of this system, this software application VC exploitation, can concurrent processing magnanimity TCP client-requested, the software that moves on this machine also is reduced into the information that data collection station collects with the data decode that receives, and these information are saved on the data storage server.
Described data storage server is a server computer of data center, and these facility have disk array function, and hard disk is supported hot plug, has the data thermal backup function, can greatly reduce the loss of data probability.This machine is special service data library software.
Described data analytics server is a server computer of data center, this machine is equipped with the DAS into the special exploitation of this system, same applicable VC exploitation, the historical data in can the reading out data storage server is analyzed, if any unusual and alarm.The configurable a plurality of analysis task of this server bring into operation by cycle and trigger condition.
Described data distribution server is a server computer of data center, and this machine is equipped with operation IIS service routine, and IIS moves for this reason that system develops the Web program specially, for the client provides various browsing data inquiry services in browser.This server thinks that also server sends note and mail notification critical event in addition.
As shown in Figure 4, above server is all deposited in data center, is connected respectively to switch, and switch is again by router and modulator-demodulator incoming fiber optic network.Data center is the gigabit LAN that is become by some group of blade servers, and each sub-function module is finished in the division of labor in the net.The access of this data center is with the fixing high speed fibre network of IP, and is furnished with special messenger's maintenance.
Data center is connected by wireless public network with data forwarding device, wireless public network comprises 2G radio data network and 3G radio data network, comprises at present three wireless carriers China Mobile (GSM TD-SCDMA), CHINAUNICOM (GSM WCDMA) and China Telecom (CDMA CDMA2000).Can select wireless public network access module type according to signal strength signal intensity and message transmission rate.
It below is the detailed description to described data collection station, data forwarding device, data collection server, data analytics server and data distribution server.
Described data collection station comprises bootstrap module, sampling module, computing module, memory module, communication module and debugging module.
Described bootstrap module has independently project file, generates a program image after the compiling.Whether normal operation before the main program reflection starts detects each hardware effort, then lights system exception indicator light on the panel if note abnormalities; Detect in addition the updating firmware program sign, if the upgrading sign exists, then wait for receiving new firmware program, finish receiving the main program reflection of rear this terminal of upgrading.
Described sampling module, be in the main program reflection one about the interrupt routine of sampling and the buffering area of correspondence with it.Comprise a slice electric power Special 16-bit AD converter on the hardware, control the AD sampling interval with the PWM module on the DSP, sampled result is deposited in the loop data buffer on the RAM.Sampling module need to have the Large Volume Data buffering area, adopts dma mode to fill buffering area, has saved a large amount of CPU times.
Described computing module is thread module in the main program reflection, and this thread has higher priority.The data that this module is deposited in the buffering area sampling module are processed calculating, specifically comprise: the digital filtering that is used for calculating mains frequency, be used for calculating the fast Fourier transform of harmonic wave, be used for calculating the discrete data integration of real-time electric energy meter code value, the relatively calculating of the statistical value such as maximum, minimum, average, carry out out-of-limit judgement by default limit value and generate out-of-limit event, the variation that detects intake generates displacement event etc.
Described memory module is thread in the main program reflection, has lower priority.Comprise a slice FLASH chip on the hardware, this module contains the FLASH wear-leveling algorithm, can play a proportionality action to the wearing and tearing of FLASH, and can the shading ring sector.The work of this module is exactly to the statistics of every day and history curve data storage and verification.
Described communication module is a communication thread in the main program reflection, includes communication protocol and the CAN driver write especially.Comprise a slice CAN transceiver on the hardware.This module is finished between this terminal and the data forwarding device communication function with the CAN bus mode, and Content of communciation send out-of-limit event and displacement event on comprising initiatively, and the request of data to this terminal that issues by data forwarding device of response data centre for distribution.
Described debugging module is thread in the main program reflection, monitors other whole system running statuses, and can finish some funcalls according to remote instructions, and give far-end result feedback.A lot of instruction functions that this module is pre-defined, and all be registered in the instruction list, this module receiving remote instruction can be carried out concrete instruction functions according to instruction.
Described data forwarding device comprises data collection station administration module, event memory module, CAN bus communication module, wireless public network communication module and debugging module.
Described termination management module, comprise an end message registration table, when having terminal to reach the standard grade, to send the message of reaching the standard grade to data forwarding device, after data forwarding device is received, the extraction hardware encoding in the message of reaching the standard grade is encoded to this harvester according to this and distributes CAN Netcom news address, and carries out the communications protocol conversion and the address is shone upon by this registration table.
Described event memory module is set up a buffer circle at ferroelectric memory, is used for depositing the SOE logout that data acquisition unit produces on the current C AN bus.Because the CAN bus itself is many main systems, to initiatively be sent to data forwarding device after certain data acquisition unit generates the SOE logout, this data forwarding device is kept at that buffer circle set up that is based upon on the ferroelectric memory immediately.Then attempt immediately the connection data center, the event that generates is sent to data center.
Described CAN bus communication module is a separate threads in the main program reflection, and this thread is moving communication protocol and the CAN bus driver with the data acquisition unit communication.Two CAN bus interface and two CAN bus transceivers are arranged.
Described wireless public network communication module, it is a separate threads in the main program reflection, this thread is moving wireless public network communication module driver, the wireless public network module has a UART communication port, with the DSP communication of data forwarding device, this modular program adopts AT character stream mode to control this module.
Described debugging module, and the debugging module functional structure of data collection station is similar, does not repeat them here.
Described data collection server comprises TCP Communications service module, event reception and processing module, day data calling module and remote debugging service module.
Described TCP service communication module, TCP service routine of VC platform development, move at the collection server, monitor three different ports, a port connects use to data forwarding device, a port receives with processing module to event and is connected use, and last connects to the remote debugging program uses.This modular program is that the client in the different port login connects the connection that contains the identical message of reaching the standard grade and matches.After the pairing, the data with the identical message of reaching the standard grade between different port connect the realization transparent transmission.
Described event receives and processing module, and a background service program of VC platform development is moved at the collection server.This program realizes the stipulations decoding, the classification memory function.Each stipulations program of this program operates in the independent process space, when some stipulations go wrong, can not involve other stipulations together out of service.This module also is responsible for receiving Level 1Alarming information, deposits database after the decoding in, and the notification data publisher server.
Described day data calling module, a background service program of VC platform development is moved at the collection server, at set intervals searching database, checking that day data when are not called successfully just generates corresponding calling order, data forwarding device corresponding to the notice transmission data of reaching the standard grade.
Described remote debugging module, a background service program of VC platform development, move at the collection server, be connected the function that realizes the pairing communication with the data forwarding device communication for the remote debugging client, after having the remote debugging client-side program to be connected to TCP Communications service module, the data forwarding device communication connects will disconnect with the event reception and is connected with the pairing of processing module, with remote debugging client-side program pairing communication, the remote debugging client has and the preferential communication right of data forwarding device, after the remote debugging client-side program is closed, the communication immediate recovery of event reception and processing module and data forwarding device.
Described data analytics server comprises analyzes trigger module, analysis strategy module and appraisal report generation module.
Described analysis trigger module, background service program of VC platform development is moved the initial data of preserving in the analytical database at Analysis server, carry out timing and Event triggered analytic statistics according to rule prepared in advance, the analysis data that then will generate deposit database in.The secondary warning information will generate in this module, deposit first database after the generation in, then the notification data publisher server.As shown in Figure 3, after the secondary alarm triggered, will send the secondary warning information.
Described analysis strategy module, foreground client program of MFC platform development can be moved at arbitrary machine of data center, and changing program is a personal-machine interface program, establishment Commissioning Analysis policy tool software.
Described appraisal report generation module, background service program of VC platform development is moved at Analysis server, according to client's customization, automatically generates the interested exclusive data analysis report of client and deposits database in.
Described data distribution server comprises SMS transmission module, mail sending module and webpage release module.
Described SMS transmission module, background service program of VC platform development is moved at data distribution server, opens a TCP serve port, is responsible for specially to receive the request that other modules send note, then drives the note cat and sends note.
Described mail sending module, background service program of VC platform development is moved at data distribution server, opens a TCP serve port, receives specially the request that other modules send mail, sends mail by smtp protocol.
Described webpage release module is used C#, and Web program of HTML and JavaScript language development adopts the AJAX technology, moves at data distribution server, is responsible for the data record of configuration parameter and display systems.
Claims (7)
1. switchgear house remote data acquisition analytical system is characterized in that, comprising:
Data collection station, in order to gather the electric quantity signal on each circuit of switchgear house, comprise voltage, electric current, active power, reactive power, power factor, mains frequency, voltage harmonic, current harmonics, active energy and reactive energy signal, and the ambient signal in the collection power distribution cabinet, comprise temperature, humidity, noise, vibration signal; Described data collection station carries out out-of-limit judgement to gathering the signal that comes up, if out-of-limit, then generate out-of-limit event and directly sends to data forwarding device; Described data collection station is furnished with the mass data storage module, and in order to statistics and the history curve data of preserving every day, the history curve data refer to the image data by the predetermined period preservation;
Data forwarding device, in order to the data message on the data collection station is sent to the data center of far-end by wireless public network, described data forwarding device articulates a plurality of data collection stations by the CAN bus;
Described data center includes: data collection server, data storage server, data analytics server and data distribution server;
Described data collection server, in order to each switchgear house in data forwarding device carry out communication, thereby collect the data message on each data collection station and be saved in the data storage server; For the out-of-limit event that collects, switch changed position event and fault trip event, described data collection server will be distributed to the associated user immediately by the data distribution server of data center;
Described data storage server, the data message of relying the system configuration information of work, collecting from data collection station in order to each server of storing the notebook data center, and the analysis result that is generated by data analytics server;
Described data analytics server in order to the data message that Treatment Analysis is collected from the data collection station of each switchgear house, generates the appraisal report of each switchgear house operation conditions, and is saved on the data storage server;
Described data distribution server, in order to immediately to issue out-of-limit event, switch changed position event and the fault trip event of switchgear house to the associated user by short message mode, issue the appraisal report of switchgear house operation conditions by E-mail mode to the associated user, the query function of data message is provided to each switchgear house user by the webpage mode.
2. switchgear house remote data acquisition analytical system according to claim 1, it is characterized in that: described data collection station comprises bootstrap module, sampling module, computing module, memory module, communication module and debugging module;
Described bootstrap module is finished the notebook data acquisition terminal and is started rear testing to each hardware device, then lights system exception indicator light on the panel if note abnormalities; Bootstrap module also detects the updating firmware program sign, if the upgrading sign exists, then waits for receiving new firmware program, finishes receiving the firmware program of rear upgrading notebook data acquisition terminal;
Described sampling module is finished the notebook data acquisition terminal to the periodic sampling work of various electric quantity signals and ambient signal, and sampled result is deposited in the loop data buffer on the random asccess memory;
Described computing module is processed calculating to sampled result, comprise: be used for determining the digital filtering of mains frequency, the fast Fourier transform that is used for calculating harmonic wave, the calculating of statistical value, carry out out-of-limit judgement by default limit value and generate out-of-limit event, the variation that detects intake generates the displacement event;
Described memory module is finished the notebook data acquisition terminal to the preservation work of statistics and the history curve data of every day;
Described communication module is finished between notebook data acquisition terminal and the data forwarding device communication function with the CAN bus mode, Content of communciation send out-of-limit event and displacement event on comprising initiatively, and the request of data to the notebook data acquisition terminal that issues by data forwarding device of response data centre for distribution;
Described debugging module is finished the notebook data acquisition terminal to the management of the state information of expression operation details, and this state information is when needed by delivering to data center on the described communication module.
3. switchgear house remote data acquisition analytical system according to claim 1, it is characterized in that: described data forwarding device comprises data collection station administration module, event memory module, CAN bus communication module, wireless public network communication module and debugging module;
Described data collection station administration module is finished the notebook data retransmission unit to the management function of each data collection station of articulating, comprises address management and operation Clock management;
Described event memory module is finished out-of-limit event that the notebook data retransmission unit send on initiatively each data collection station of articulating and the memory function of displacement event;
Described CAN bus communication module finish the notebook data retransmission unit and each data collection station of articulating between the data communication facility with the CAN bus mode;
Described wireless public network communication module is finished the data communication facility with the wireless access interconnected network mode between notebook data retransmission unit and the data center, and the notebook data retransmission unit is as the TCP client;
Described debugging module is finished the notebook data retransmission unit to the management of the state information of expression operation details, and this state information is when needed by delivering to data center on the described wireless public network communication module.
4. switchgear house remote data acquisition analytical system according to claim 1 is characterized in that: described data collection server comprises TCP Communications service module, event reception and processing module, day data calling module and remote debugging service module;
Described TCP Communications service module is finished notebook data and is collected the data communication facility in the TCP mode between the data forwarding device in server and each switchgear house, and this TCP Communications service module is as the TCP service end;
Described event receives and processing module is finished the work that the data forwarding device of notebook data collection server from each switchgear house receives out-of-limit event and displacement event and generate the event note;
Described day data calling module finished notebook data collection server and called the statistics of every day and the work of history curve data by the data forwarding device in each switchgear house from its data collection station that articulates;
Described remote debugging service module is finished notebook data and is collected the data forwarding device from each switchgear house that server provides for the remote debugging client software or the work of data collection station calling Debugging message, and Debugging message comprises the state information of the described data forwarding device of expression or data collection station operation details.
5. switchgear house remote data acquisition analytical system according to claim 1 is characterized in that: described data analytics server comprises analyzes trigger module, analysis strategy module and appraisal report generation module;
Described analysis trigger module is finished the judgement work whether the notebook data Analysis server starts data analysis, and Starting mode has Event triggered to start and two kinds of start by set dates;
Described analysis strategy module is finished the data message that the notebook data Analysis server reads the configuration information of switchgear house and generates during by the operation of each data collection station from data storage server, the switchgear house operation conditions is carried out global analysis, immediately or per diem, the moon, season, years four kinds time cycles provide the comprehensive evaluation result of switchgear house operation conditions;
Described appraisal report generation module is converted into corresponding appraisal report with the comprehensive evaluation result that the analysis strategy module generates according to predetermined reporting format.
6. switchgear house remote data acquisition analytical system according to claim 1, it is characterized in that: described data distribution server comprises SMS transmission module, mail sending module and webpage release module.
7. described SMS transmission module out-of-limit event, switch changed position event and fault trip event that data collection server is sent sends to corresponding user immediately with short message mode;
Described mail sending module sends Email to corresponding user with the appraisal report of the switchgear house operation conditions that data analytics server generates;
Described webpage release module provides the query function of its switchgear house facility information, service data and appraisal report to each switchgear house user in the webpage mode.
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Application publication date: 20130213 |