CN101673457B - Method of data acquisition from data acquisition terminal - Google Patents
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- CN101673457B CN101673457B CN2009103056417A CN200910305641A CN101673457B CN 101673457 B CN101673457 B CN 101673457B CN 2009103056417 A CN2009103056417 A CN 2009103056417A CN 200910305641 A CN200910305641 A CN 200910305641A CN 101673457 B CN101673457 B CN 101673457B
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Abstract
The invention relates to the field of electric power and communication, which discloses a method of data acquisition from a data acquisition terminal, and the method comprises the following steps: a concentrator collects resident electricity data through low-pressure carrier waves; a net meter collects distribution transformer electricity data through alternating collection; the concentrator is connected with the net meter through a serial port, and the net meter is connected with a front end processor through a communication module and used for sending electricity data; a collection server is used for sending collection demand data to a collection terminal through the front end processor and receiving the collection terminal data transmitted by the front end processor asynchronously, if collection fails, enter supplement collection, and if not, skip to the next step; a center server is used for analyzing and processing the data. The invention simultaneously discloses a system of data acquisition from a data acquisition terminal. The invention has the beneficial effects of high capability of permitting simultaneous access of a large number of distribution transformers and residents and ensuring the real-time performance and integrity of resident electricity data and distribution transformer electricity data by an optimized communication method and a perfect supplement collection strategy.
Description
Technical field
Electric power of the present invention and communication technical field, particularly a kind of method to the data acquisition of data acquisition terminal.
Background technology
Along with the transformation of electric system, the collection of electric power data will be gradually abandoning tradition the manual metering pattern and adopt remote terminal control meter reading method, and meter reading data is sent to main station system by modes such as GPRS, CDMA, 230M analyzes and use.In order to carry out data analysis application in the main website side and to monitor the electricity consumption situation in real time, just must guarantee the integrality of main website side electric power data.Owing to adopt the difference of electric power transfer stipulations and complicacy and the instability that the difference in the same stipulations understanding has been caused the acquisition terminal data between each manufacturer terminal, add complex environments such as network security, increased the difficulty of data acquisition, how to have guaranteed that therefore the integrality of main website side image data and the selection of filling mining method just seem very crucial all the more.Because the quantity in platform district is very huge, at one time, have a large amount of acquisition terminal (net list) need with the central server communication.Simultaneously because resident's quantity also many (supposing average 500 families) under each district, concentrator is checked meter the possibility of result because the difference of carrier wave situation produces huge difference, adding the instability of network, is very difficult so present system wants the complete electricity consumption data that collect all users.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of method to the data acquisition of data acquisition terminal, solve front end processor and acquisition system and insert a large amount of acquisition terminals and resident simultaneously, carry out the not high problem of concurrent collection success ratio.
The present invention solves the technical scheme that the prior art problem adopted: design and make a kind of method to the data acquisition of data acquisition terminal, may further comprise the steps, the S1 concentrator is gathered user data by low pressure carrier wave; Net list is adopted (AC sampling) picking platform district's electricity consumption data by friendship; The S2 concentrator connects net list by serial ports, and described net list connects front end processor and sends the electricity consumption data by its communication module; The S3 acquisition server is transmitted the acquisition data by this front end processor to acquisition terminal, and the data of the acquisition terminal transmitted of asynchronous reception front end processor, if gather failure then enter filling mining, otherwise next step is gone in redirect; S4 central server analyzing and processing data.
The present invention further improves: described electricity consumption data comprise electric flux, voltage, electric current, power, power factor, the quality of power supply, electric weight and ammeter event data; Described net list is by the order of serial mode processes data requests.
The present invention further improves: described net list sends the electricity consumption data mode and send formula for having in administrative center's calling formula and the active, is specially, and after net list receives the acquisition that acquisition server sends, obtains corresponding data to reply this acquisition server; When satisfying the net list active when acquisition server sends the predetermined condition of electricity consumption data, initiatively obtain and deliver to this acquisition server on the electricity consumption data.
The present invention further improves: it is administrative center's calling formula that described net list and concentrator send the electricity consumption data mode, is specially, and S101 system acquisition server sends acquisition by predetermined condition to the acquisition terminal with the needs monitoring;
After the S102 acquisition terminal receives described acquisition, carry out and obtain the electricity consumption data;
After the S103 front end processor receives the corresponding message of acquisition terminal, be forwarded to corresponding acquisition server;
The S104 acquisition server is resolved the electricity consumption data, if parsing is failed then carried out the task filling mining;
The S105 central server is handled and is analyzed the electricity consumption data that get access to.
The present invention further improves: described filling mining is according to certain filling mining strategy execution, and described filling mining strategy is specially,
The collecting flowchart of S201 data is designated as pointer when controlling with data, gathers this pointer time point data item pointed;
All can parse the response message of correct data S202, all are considered as normally, and acquisition server receives after this kind reply, and time indicator moves backward to the next time point gathered of needing, and continues to gather follow-up data point;
All can not parse the response message of correct data S203, it is undesired all to be considered as, acquisition server receives this kind can not the mobile collection time indicator after replying, wait for the arrival of task execution time next time and begin and carry out, till satisfying step S202, otherwise behind the pre-determined number that so circulates backward the traveling time pointer to next acquisition time point.
The present invention further improves: among the described step S3, after acquisition server receives the electricity consumption packet that the net list terminal sends over, judge whether receive packet complete, if imperfect then wait for and receive subsequent frame, and would finally extract complete packet; Link layer and application layer to data unpacks processing then, extracts application data.
The present invention provides a kind of system to the data acquisition of data acquisition terminal again, comprises
Concentrator is used to finish collection and storage to the data of various intelligence instrument, acquisition terminal or acquisition modules with carrier communication function and all kinds of carrier communication terminals, can carry out exchanges data with main website or handheld unit simultaneously;
Net list is used to obtain the electricity consumption data;
Front end processor is used for the connection of maintenance terminal to acquisition system, carries out data forwarding in communication process;
Acquisition server, the key procedure of the electricity consumption data that transmission of control acquisition and receiving terminal send; Be responsible for the scheduling of various acquisition, the circulation control of flow process, the execution of filling mining strategy;
The system centre server is used for the electricity consumption data are inquired about, analyzed and handle.
The present invention further improves: adopt Serial Port Line direct-connected between described net list and the concentrator, net list is provided with overtime restriction in waiting for the concentrator answering; If the described not normal response of concentrator that is made as in predetermined time-out time over time limit, then net list is to transmit the acknowledgement frame response acquisition server that the data field is sky.
The present invention further improves: described concentrator can insert ordinarily resident's table and prepaid card table; Transmit by described net list when gathering described concentrator data.
The present invention further improves: described net list can be platform district summary table, and its image data can be used for the computer board local bus and decreases; Described net list can be used as the forwarded upstream passage of concentrator.
The invention has the beneficial effects as follows: adopt the means of communication of optimization and perfect filling mining strategy, the great platform of acceptable number district, resident insert simultaneously, and assurance is to real-time, the integrality of platform district, residential electricity consumption data acquisition, thereby make and monitor a large amount of platforms district simultaneously, the resident becomes possibility, and can effectively reduce the construction cost of supervisory system.
Description of drawings
Fig. 1 is the schematic flow sheet of the present invention to the method data acquisition of data acquisition terminal data acquisition.
Fig. 2 is that the present invention adopts giving young employees remedial-courses in general knowledge and vocational skills to adopt the realization flow synoptic diagram that strategy is gathered.
Fig. 3 is the structured flowchart of the present invention to the system of data acquisition terminal data acquisition.
Fig. 4 is the system one embodiment synoptic diagram of the present invention to the data acquisition of data acquisition terminal.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
In embodiments of the present invention, select multiplexing audiomonitor, realize asynchronous monitoring, can solve the main website acquisition system with the concurrent acquisition problems between a large amount of net lists to a large amount of Socket connections by the multichannel of using java api nio.When gathering the concentrator data by net list, the mode that adopts the packing user to gather reduces the communication number of times, improves communication efficiency, saves flow.When carrying out filling mining, adopt two kinds of filling mining strategies to be used, promptly suspend mobile collection time indicator and filling mining failure formation, this filling mining method synthesis has considered to cause gathering the various factors of failure, thereby has guaranteed the integrality of image data to greatest extent.
As shown in Figure 1, a kind of method to the data acquisition of data acquisition terminal may further comprise the steps, and the S1 concentrator is gathered user data by low pressure carrier wave; Net list is adopted (AC sampling) picking platform district's electricity consumption data by friendship;
The S2 concentrator connects net list by serial ports, and described net list connects front end processor and sends the electricity consumption data by its communication module;
The S3 acquisition server is transmitted the acquisition data by this front end processor to acquisition terminal, and the data of this acquisition terminal of transmitting of asynchronous reception front end processor, if gather failure then enter filling mining, otherwise next step is gone in redirect.
In this step, acquisition system (acquisition server) is passed through front end processor acquisition terminal data, and judges whether the needs filling mining according to the result;
Acquisition system sends acquisition according to predetermined period to acquisition terminal;
Acquisition terminal is organized corresponding electricity consumption data and is made and replying;
Acquisition system is resolved the electricity consumption data of terminal responds, successful then mobile collection time indicator, and wait for that next collection period restarts new collection is if resolve failure then mobile collection time indicator not, the frequency of failure adds 1, and waits for that next collection period continues to begin to gather from this failed point.If the failure of same time point surpasses default number of retries, then the mobile collection time indicator is to next acquisition time point, and this failed point task is put into the formation of failed point filling mining, waits for the arrival of the default filling mining time point of another filling mining strategy and carries out filling mining.If what gather is the concentrator data, then need show quantity according to default packing resident, to gather successively, above-mentioned filling mining strategy is suitable equally.Just when gathering, need user's set of each time point collection failure of special record, so as when to carry out filling mining only at the user of failure, improve collecting efficiency.
S4 central server analyzing and processing data.In one embodiment, central server adopts J2EE+WEBSERVICE/EJB+JBOSS/WEBLOGIC to constitute, and can bear the concurrent transmission of 50 general-purpose user data.Central server provides the various interface of accessing database, has shielded the direct visit of various application programs to database, and function such as JBOSS, the WEBLOGIC etc. of a container are provided simultaneously, is used to dispose various application services such as WEBSERVICE, EJB.
Described electricity consumption data comprise electric flux, voltage, electric current, power, power factor, the quality of power supply, electric weight and ammeter event data; Described net list is by the order of serial mode processes data requests.Concentrator obtains the residential electricity consumption data, and net list obtains platform district electricity consumption data.Net list is according to on-the-spot AC sampling, obtains electricity consumption user's data such as electric flux, voltage, electric current, power, power factor, the quality of power supply.Concentrator is by to various intelligence instrument, acquisition terminal or acquisition module and all kinds of carrier communication terminals with carrier communication function, obtains resident's day electric weight, card table data etc.
Described net list sends the electricity consumption data mode and send formula for having in administrative center's calling formula and the active, is specially, and after net list receives the acquisition that acquisition server sends, obtains corresponding data to reply this acquisition server; When satisfying the net list active when acquisition server sends the predetermined condition of electricity consumption data, initiatively obtain and deliver to this acquisition server on the electricity consumption data.
Concentrator connects net list by Serial Port Lines such as RS485, RS232, according to specific baud rate, data bit, position of rest, check bit etc. and net list swap data.Net list utilizes the data forwarding function AFN=0x10 of " power load management system data transmission stipulations " to carry out the transparent transmission of concentrator data.Net list carries communication module, supports the GPRS communication, signs in to front end processor by multiple network such as power private network, mobile public network power supply administration LAN (Local Area Network) in the mode of socket.Front end processor is safeguarded all connected acquisition terminals, uses the network of asynchronous each terminal of monitoring of multiplexer to connect, and realizes concurrent processing.
It is administrative center's calling formula that described net list and concentrator send the electricity consumption data mode, is specially, and S101 system acquisition server sends acquisition by predetermined condition to the acquisition terminal with the needs monitoring;
After the S102 acquisition terminal receives described acquisition, carry out and obtain the electricity consumption data;
After the S103 front end processor receives the corresponding message of acquisition terminal, be forwarded to corresponding acquisition server;
The S104 acquisition server is resolved the electricity consumption data, if parsing is failed then carried out the task filling mining;
The S105 central server is handled and is analyzed the electricity consumption data that get access to.
As one embodiment of the present invention, acquisition terminal transmission electricity consumption data mode has acquisition system calling formula and terminal initiatively to report two kinds of formulas, before adopting during a kind of mode, described acquisition system is sent acquisition by predetermined condition to the communication module corresponding with the acquisition terminal of needs monitoring, after corresponding communication module is received described acquisition, just carry out described step S1 and S2; When adopting a kind of mode in back, the communication module of acquisition terminal correspondence initiatively sends the electricity consumption data to acquisition system by predetermined condition, and when satisfying described predetermined condition, this communication module is initiatively carried out described step S1 and S2; Wherein said predetermined condition can be preset time at interval, and its size can be 1 minute-720 hours.
Described filling mining is according to certain filling mining strategy execution, and described filling mining strategy is specially,
The collecting flowchart of S201 data is designated as pointer when controlling with data, gathers this pointer time point data item pointed;
All can parse the response message of correct data S202, all are considered as normally, and acquisition server receives after this kind reply, and time indicator moves backward to the next time point gathered of needing, and continues to gather follow-up data point.
All can not parse the response message of correct data S203, it is undesired all to be considered as, acquisition server receives this kind can not the mobile collection time indicator after replying, wait for the arrival of task execution time next time and begin and carry out, till satisfying step S202, otherwise behind the pre-determined number that so circulates backward the traveling time pointer to next acquisition time point.
Among the described step S3, after acquisition server receives the electricity consumption packet that the net list terminal sends over, judge whether receive packet complete, if imperfect then wait for and receive subsequent frame, and would finally extract complete packet; Link layer and application layer to data unpacks processing then, extracts application data.
The realization flow of the acquisition system of strategy is adopted in the employing giving young employees remedial-courses in general knowledge and vocational skills that Fig. 2 illustrates the embodiment of the invention to be provided, and details are as follows:
Filling mining strategy one suspend to be gathered, and promptly suspends the filling mining method of mobile task time of pointer.In normal collection period, allow certain point data continuous acquisition failure several times, but can not surpass pre-determined number.Continuous acquisition data pointed task time synchronization.After retry surpasses pre-determined number, this task is put into the filling mining formation, enter filling mining strategy two.
Filling mining strategy two, the formation filling mining promptly starts special filling mining thread, detects the formation of task filling mining in real time, in case the task that detected needs filling mining, enters formation filling mining flow process immediately.From the filling mining formation, this filling mining task is deleted immediately after the filling mining success,, then attempt continuing filling mining, but filling mining number of times complementary energy surpasses pre-determined number if filling mining is appointed right failure.Still the successful task of collection to do above pre-determined number and abandon processing.
In addition, the time interval between the double filling mining can not be less than predetermined collection period, because acquisition terminal collection/freezing data also needs the regular hour, thus after each collection failure, must wait for time enough before the next filling mining, so that terminal is finished the collection to ammeter data.
Fig. 3 shows a kind of system to the data acquisition of data acquisition terminal, and this system mainly comprises net list, concentrator, resident's table/multifunctional meter, front end processor, acquisition system and system centre server etc.
Concentrator is by to various intelligence instrument, acquisition terminal or acquisition module and all kinds of carrier communication terminals with carrier communication function, obtains resident's day electric weight, card table data etc.Concentrator is made into message (byte stream) with the electricity consumption data of gathering according to the stipulations standard group and sends net list to by the RS485 Serial Port Line.
Net list obtains data such as the total electric flux of platform Qu, voltage, electric current, power, power factor, the quality of power supply according to on-the-spot AC sampling.The electricity consumption data that net list is gathered with self or the concentrator data of reception are made into message according to power load management system data transmission stipulations stipulations standard group and are delivered to main station system front end processor module by its communication module that carries as the data field.
Front end processor parses corresponding terminal address and main website numbering after receiving the data that each net list sends, and finds corresponding main website (acquisition system workstation) according to the main website numbering then, gives this correspondence main website acquisition system with the terminal responds data forwarding.Terminal address is used to safeguard the corresponding relation between each net list and the socket passage.
The back that E-Packets that acquisition system receives front end processor parses the electricity consumption data that net list is gathered according to power load management system data transmission stipulations; If this collection network table is only made data and transmitted passage, then need go out the electricity consumption data that concentrator is gathered according to certain protocol analysis.
Central server is responsible for processing, the analysis of data, realizes functions such as remote station district's monitoring, running status demonstration, abnormal information warning, Power Quality Detection, line loss calculating, line loss analyzing, remote meter reading, the equilibrium analysis of circuit electric weight, customer service.
The present invention utilizes advanced mechanics of communication, computing machine and network technology, be problems such as electric power enterprise solves remote monitoring, device exception information warning, line loss analyzing, interruption maintenance, Power Quality Detection, load management, the equilibrium analysis of circuit electric weight, load prediction, examines, patrols and examines, inspection, resist various possible high line loss problems with higher informationization technology and ladder of management, and in time find measurement loop fault and multiplexing electric abnormality behavior.
The present invention is intended to improve the automatization level and the reliability of the line loss management of distribution, electricity consumption link for power supply enterprise provides a kind of efficient, objective, stable, quasi real time line loss monitoring, analysis, management, the modernization of examination, informationalized monitoring platform and ladder of management.And the high line loss of solution low pressure residential electricity consumption of attaching most importance to (comprising technology line loss and management line loss) problem, the technical support platform is provided.Realize the whole network each gather, electric energy numerical value such as total, the peak of metering, examination point, flat, paddy, sharp electric degree, and automatic, complete, accurate, safe, timely, reliable, flexible, perfect collection, transmission, storage, statistics, calculating, charging, analysis, audit, affirmation, management, backup, application, form, printing, the issue of transient datas such as electric current, voltage, meritorious, idle, maximum demand, phase failure cutout, power factor; System can to open an account, change business change such as table, full scale, CT/PT modification, the family that disappears and bypass for carry out automatically for situation, artificial treatment.Application of the present invention is mainly Utilities Electric Co.s at different levels.
As shown in Figure 4, during concrete enforcement, system of the present invention adopts from the regional branch office of the regional branch office of China Mobile or CHINAUNICOM and lays VPN (Virtual Private Network, virtual private networks) mode of special line couples together the power private network of Utilities Electric Co. and GPRS net or WCDMA net.Utilize Internet broadband public network as auxiliary alternate channel simultaneously.
The present invention (adopts wireless GPRS, CDMA2000 1x or WCDMA at system architecture (adopting the J2EE data service technology) with the network organization mode, compatible telephone dialing simultaneously, 230M passage, serial ports passage etc.) on have certain perspective, take advanced technology on the means of communication, with the advance of assurance system and the validity of investment.The not only compatible present GPRS of system design system of the present invention, and compatible later 3G communication.
Among the present invention, the transmission mode of electricity consumption data has in acquisition system calling formula and the acquisition terminal active send two kinds of formulas, before adopting during a kind of mode, electric power main website acquisition system is sent acquisition by predetermined condition to the communication module corresponding with the acquisition terminal of needs monitoring, after corresponding communication module is received described acquisition, just organize and send the electricity consumption data of its collection; When adopting a kind of mode in back, the communication module of acquisition terminal correspondence initiatively sends the electricity consumption data to the main website acquisition system by predetermined condition; Predetermined condition wherein can be preset time at interval, and its size can be 1 minute-720 hours.
The mode that adopts TCP/IP communications protocol and UDP communications protocol to combine in process of data communication shields various underlying protocols.The TCP/IP communications protocol is adopted in communication from acquisition terminal to the front end processor server, can be considered as the transmission of data in wide area network; Adopt the UDP communications protocol from the main website front end processor to the communication the acquisition system, can realize the network-like relation of multi-to-multi very easily, be convenient to the concurrent of acquisition system.Central server provides the underlying database interface operable, has shielded the direct control of each application program to database, helps the stable operation of database; Adopt data W EB method of service simultaneously based on the J2EE framework, can avoid directly utilizing the Socket communication of bottom, the relevant international standard that meets HTTP1.1 and Data Service, the data of transmission can be effectively by the various safety equipment in the wide area network, data are through digital signature simultaneously, and itself security and integrality also are guaranteed.
The concurrent transmission solution of data: the concurrent transmission of data is big bottlenecks of general distant place acquisition system, because there is the acquisition terminal (several ten thousand or hundreds of thousands) of huge amount in each big system in actual applications, guarantee that high prerequisite of adopting passband is that the communication that solves concurrent transmission is blocked.The present invention adopts NIO asynchronous transmission technology, realizes can solving the obstruction bottleneck problem of a large amount of communications to multichannel unblock data transmission.Platform of the present invention adopts the J2EE+Web service to constitute, be the data acquisition and the data, services releasing software framework based on J2EE framework basis of enterprise-level, this system can support concurrent transmission of high-intensity data and data, services, supports the mass data inquiry, has high practicality.
Reduce the solution of communication fee: though have some can carry out the terminal device of data communication on the market at present by GPRS or CDMA 2000 1x, for example encapsulate the GPRS of TCP/IP agreement or the two-way transparent data transmission terminal of CDMA 2000 1x (it has standard RS232/RS485 interface), but how to reduce in data transmission and not do any special measure aspect the communication fee, make communication fee very high, bring very big cost burden to the user.The present invention adopts packing to gather the mode of electricity consumption data, and (the net list data item is more, adopts a plurality of data item packings to gather; Resident's data item is less, but number of users is more, adopts a plurality of users collection of packing together), reduce main website with the acquisition terminal interaction times, and then reduce communication traffic, reduce rate.
Guarantee the solution of image data integrality: each electric power main website acquisition system is more satisfactory to the acquisition terminal collection effect that meets the national grid standard fully at present, does not consider the difference that variant terminal producer understands consensus standard, the different editions of standard agreement, the agreement privately between the producer etc.The present invention adopts the national standard stipulations, filters out the major gap of understanding and the special processing of all producers, only divides and gathers the two kinds of results that successfully still fail, and does not do different processing according to the reason of failure.As long as the collection failure promptly enters the filling mining strategy and begins filling mining.
From the above, the present invention is based on GPRS, CDMA2000 1x or WCDMA communication modes and come Data transmission; System realizes adopting the modular construction design, is divided into three layers: database layer, middle layer, application layer, and maintenance and expansion are convenient in modular system; And, solve mass data concurrent processing bottleneck problem based on the data, services of J2EE framework, and the data, services and the data verification of the enterprise-level of powerful Web Data Service based on J2EE are provided, the concurrent data that can bear 50 general-purpose families transmit.Adopt the present invention, the operation cost of long-distance meter-reading system, resident's centralized meter-reading system is reduced greatly, make system really have practicality, improve the management automation level of Utilities Electric Co.s at different levels, promote the orderly development of power supply, distribution, electricity consumption each side.
In sum, the invention solves existing in the prior art should each district user of overall monitor, save the contradictory problems of system's construction investment again, solve the problem that more easily causes network congestion when acquisition terminal quantity, solved the incomplete problem of existing acquisition system image data simultaneously.Adopt packing manner to gather and make and reduce, thereby make full use of limited Internet resources, avoid network congestion, make full use of the characteristics that GPRS charges by flow simultaneously, reduce communication fee, save cost by the mutual number of times of GPRS network.Wherein, main station system adopts the method for J2EE+JBOSS/WEBLOGIC+WebService+EJB, can insert 500,000 residents simultaneously, adapts to domestic all prefecture-level Utilities Electric Co.s.Adopt the present invention, can under the complete prerequisite of guarantee information, reduce the use cost of power consuming administrative system significantly, and make that system is reliable more, safety.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (5)
1. method to the data acquisition of data acquisition terminal, it is characterized in that: may further comprise the steps, (S1) concentrator is gathered user data by low pressure carrier wave; Net list is by AC sampling picking platform district's electricity consumption data;
(S2) concentrator connects net list by serial ports, and described net list connects front end processor and sends the electricity consumption data by its communication module;
(S3) acquisition server sends acquisition by this front end processor to acquisition terminal, and the data of the acquisition terminal of asynchronous reception front end processor forwarding, if collection is failed then is entered the filling mining flow process, otherwise next step is gone in redirect, wherein, described filling mining is according to certain filling mining strategy execution, and described filling mining strategy is specially
Be designated as pointer when (S201) control of the collecting flowchart of data is with data, gather this pointer time point data item pointed;
(S202) all can parse the response message of correct data, all are considered as normally, and acquisition server receives after this kind reply, and time indicator moves backward to the next time point gathered of needing, and continues to gather follow-up data point;
(S203) all can not parse the response message of correct data, it is undesired all to be considered as, acquisition server receives this kind can not the mobile collection time indicator after replying, wait for the arrival of task execution time next time and begin and carry out, till satisfying step (S202), otherwise behind the pre-determined number that so circulates backward the traveling time pointer to next acquisition time point;
(S4) central server analyzing and processing data.
2. according to the described method of claim 1 to the data acquisition of data acquisition terminal, it is characterized in that: described electricity consumption data are electric flux, voltage, electric current, power, power factor, the quality of power supply for net list, are electric weight, ammeter event data for concentrator.
3. according to the described method of claim 1 to the data acquisition of data acquisition terminal, it is characterized in that: described net list transmission electricity consumption data mode has in administrative center's calling formula and the active send formula, be specially, after net list receives the acquisition that acquisition server sends, obtain corresponding electricity consumption data to reply this acquisition server; When satisfying the net list active when acquisition server sends the predetermined condition of electricity consumption data, initiatively obtain and deliver to this acquisition server on the electricity consumption data.
4. according to the described method of claim 1 to the data acquisition of data acquisition terminal, it is characterized in that: it is administrative center's calling formula that described net list and concentrator send the electricity consumption data mode, be specially, (S101) the system acquisition server sends acquisition by predetermined condition to the acquisition terminal with the needs monitoring;
(S102) after acquisition terminal receives described acquisition, carry out and obtain the electricity consumption data;
(S103) after front end processor receives the corresponding message of acquisition terminal, be forwarded to corresponding acquisition server;
(S104) acquisition server is resolved the electricity consumption data, if parsing is failed then carried out the task filling mining; (S105) central server is handled and is analyzed the electricity consumption data that get access to.
5. according to the described method of claim 1 to the data acquisition of data acquisition terminal, it is characterized in that: in the described step (S3), after acquisition server receives the electricity consumption packet that the net list terminal sends over, judge whether the reception packet is complete, if imperfect then wait for to receive subsequent frame, and finally extract complete packet; Link layer and application layer to data unpacks processing then, extracts application data.
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| CN2009103056417A CN101673457B (en) | 2009-08-14 | 2009-08-14 | Method of data acquisition from data acquisition terminal |
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| CN2009103056417A CN101673457B (en) | 2009-08-14 | 2009-08-14 | Method of data acquisition from data acquisition terminal |
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2009
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