CN204598011U - A kind of OPC data acquisition and monitoring intelligent terminal based on TD-LTE - Google Patents
A kind of OPC data acquisition and monitoring intelligent terminal based on TD-LTE Download PDFInfo
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Abstract
The utility model discloses a kind of OPC data acquisition and monitoring intelligent terminal based on TD-LTE, comprise TD-LTE communication management module, OPC data, services end, OPC client and access control module.OPC data acquisition and monitoring intelligent terminal based on TD-LTE can set up reliable data acquisition and control instruction Transfer pipe between tension management information system and bottom watch-dog, adopt standardized interface and radio communication automatic network-building function, realize the integration that enterprise information management and industrial process control in real time, there is distributed monitoring, centralized data management ability, it is fast that it has data transmission bauds, portable removable, be applicable to the on-site data gathering equipment of great majority based on the opc server control of OPC-DA specification exploitation, both there is opening, efficient communication mechanism, again for supervisory control system provides the solution route of consistent access field equipment data.
Description
Technical field
The utility model relates to data collection station technical field, particularly a kind of OPC data acquisition and monitoring intelligent terminal based on TD-LTE.
Background technology
All kinds of remote intelligent monitoring technology is utilized to realize the information integerated of industrial system or production process, enterprise information system management and Automation of Manufacturing Process in conjunction with level, greatly limit can not only enhance productivity, and provide wide application for the development of intelligent monitoring technology.
Remote data acquisition and monitor terminal are the infrastructure devices of intelligent monitor system, mainly at present be applied as master with embedded system, achieve control unit, I/O input unit, data acquisition unit, GPIO unit and communication unit (Ethernet, GPRS, serial ports etc.) etc. integrated, carry out real time data processing and control.The major defect of existing terminal technology is: (1) data transferring is based on wired network communication, it is not too convenient that system is disposed, engineering construction and maintenance cost higher, and adopt the mobile access technologies such as GPRS, data transmission capabilities is lower, reliability is poor, and time delay is longer, can not meet the real-time transmission requirement of mass data; (2) opening, compatible poor of monitor data agreement, supervisory control system is very strong to the dependence of bottom collecting device, is difficult to adapt to the integrated of extensive monitoring and information management system.(3) data terminal is based on local data collection, binding data forwarding capability, and application structure is too simple, and only adapt to the monitor network of static configuration, autgmentability is poor.For the defect of prior art, the utility model moves access based on TD-LTE, sets up a kind of intelligent terminal technology of OPC data acquisition and monitoring, meets New Generation of Intelligent supervisory control system and the integrated functional requirement of information management system.
Utility model content
The purpose of this utility model is that the shortcoming overcoming prior art is with not enough, provides a kind of OPC data acquisition and monitoring intelligent terminal based on TD-LTE.
The purpose of this utility model is realized by following technical scheme:
A kind of OPC data acquisition and monitoring intelligent terminal based on TD-LTE, comprise TD-LTE communication management module, OPC data, services end, OPC client and access control module, described TD-LTE communication management module realization is configured and management the communication mode of terminal employing and parameter, data protocol etc., set up the mapping of TD-LTE broadband wireless access and TCP/IP dynamic IP, support that OPC data, services end and OPC client pass through the dynamic group net of counterfoil (Stub)/agency (Proxy); Described OPC client is set up exchanges data by remote agent with the COM/DCOM assembly of OPC data, services end and is connected, or sets up exchanges data by local COM chained library with the machine OPC service and be connected; Described OPC client sends request of data with synchronous or asynchronous system, the data structure exchanged according to OPC teledata and agreement (data type, data length, refresh cycle), setting data acquisition target, scope and parameter, refresh data, and the teledata of acquisition is write the data buffer area of local OPC service, or be forwarded to other long-range OPC data, services ends; Described OPC data, services end configuration local data cache mode, storage resources distribute and data access interface parameter, port is gathered to local data and refreshes each node data in real time by device drives, the client of management data access, sets up data acess method and the configuration of market demand model parameter of real-time data base (RTDB); Described access control module is on the basis that COM/DCOM far call controls, set up the control of authority of data access, by the data access interface setting data authority of OPC data, services end counterfoil and Client Agent, realize image data fail safe and consistency under different application.
Described teledata, it transmits and exchanges the C/S adopting TD-LTE mobile communication technology and DDNS method to realize between intelligent terminal and connects.
The transmission of described teledata and exchange, concrete steps are as follows:
S1. monitoring field communication subnet parameter server is set up, the OPC data, services end of intelligent terminal is registered to TD-LTE net by dialing sim card, by Wire Parameters such as native service title, SIM/USIM card number, dynamic IP addressing, service port number, communication subnet parameter server is sent to XML file form, and on line refreshable, realize the mobile access parameter Real-time Obtaining of control domain all data acquisition service end;
S2. the OPC client on intelligent terminal is directly with IP address and HTTP mode accessing communication subnet parameter server, the Remote Terminals for Weather Servics network connection parameter that acquisition will be accessed, thus move access by TD-LTE, realize calling and data access with the long-range COM/DCOM of destination service end.
The described OPC data acquisition and monitoring intelligent terminal based on TD-LTE, the data store organisation adopted in data transmission with exchange process comprises data page (Data Page), data block (Data Block) and data item (Data Item) three layers; Wherein, data page defines the tidal data recovering attribute of monitor node, realizes associating between the table (Table) of data group in OPC standard (Data Group) and real-time data base or view (View); Initial and termination time of definition data block data acquisition, data length and number, data page position and data sequence structure (array, single line chained list or tree structure); Definition of data item individual data type, length, physical significance, constraints and data source (corresponding acquisition terminal or data acquisition node); According to the requirement of system monitoring to data acquisition, adopt the relational data model of space-time sequence, all definition of data item comprise positional information P
d, physical significance or logical relation S
d, temporal information d (t) three part, this three part composition data item Data Structures: D (Pd, Sd, d (t)), support space, logic and time three-dimensional data inquiry and refreshing, namely at data Existence dependency relationship d (t) of time period [t0, tf] interior moment t: Pd → d (t); Sd → d (t); T → d (t); Secondly, the modeling of supported data applied business, export as target with the parameter identification of monitored object, system or industrial process dynamic model and quantity of state, set up the relational database between the locus of data acquisition node and physical logic parameter, realize the inquiry of multi-dimensional data intersection, data mining and data fusion etc. and basic data source and data model are provided.
The described OPC data acquisition and monitoring intelligent terminal based on TD-LTE, by defining data terminal networking parameter, data terminal acquisition node and real time data sequence three class relation in data page, and write corresponding data by OPC data acquisition service and retransmission process, form target data page, be sent to OPC client, realize that data collection station is distributed, self-organizing data interaction function.
Described OPC data, services end, the input of its data comprises local OPC client, based on the Terminal Server Client of TD-LTE and local data port (serial ports, ISA data card, 485 buses, wireless network sensing network etc.) three classes.Service end and client adopt OPC data structure (serve, group and data item) mutual, i.e. group, the data item complete map of service end and client, service end and local data port adopt device drives mode to realize data acquisition protocol.The data of OPC data, services end module export the data model adopting above-mentioned data page (Data Page), data block (Data Block) and data item (Data Item), mapped by data defined attribute, exchanges data can be carried out with database, XML file etc.
Compared with prior art, tool has the following advantages and beneficial effect the utility model:
1, the intelligent terminal involved by the utility model adopts 4G to move access technology (TD-LTE), there is autonomous dynamic group net function, supervisory control system installation and deployment are convenient, maintenance cost is lower, and remote data transmission ability strengthens, real-time, good reliability, meet the teletransmission requirement of extensive monitoring data collection;
2, the intelligent terminal involved by the utility model have followed data acquisition OPC agreement, can the most underlying device in compatible industrial monitoring field at present, and data integration ability is stronger;
3, the intelligent terminal involved by the utility model adopts Client/Server framework in functional module, possesses the application model of TCP/IP network, has good set expandability.
Accompanying drawing explanation
Fig. 1 is the OPC data acquisition and monitoring intelligent terminal functional structure chart based on TD-LTE described in the utility model;
Fig. 2 is the OPC data, services end dynamic group net optimum configurations of the utility model wireless access and the schematic diagram issuing flow process;
Fig. 3 is the OPC data acquisition and monitoring Intelligent terminal data page definition structure chart based on TD-LTE described in the utility model;
Fig. 4 is the OPC data, services end remote control Principle of Process figure of the utility model TD-LTE wireless access.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
As Fig. 1, a kind of OPC data acquisition and monitoring intelligent terminal based on TD-LTE, functional structure is divided into OPC service end 1, OPC client 2 and TD-LTE mobile network incoming end 15 3 parts, composition Client/Server network application structure.Wherein OPC client 2 comprises primary application program 3, realizes data read-write operation and state monitoring and management; The proxy module 4 of far call COM/DCOM; COM service management module 5; Client hardware and embedded system 6; Application safety administration module 7 functional unit such as grade or module.OPC service end 1 comprises main service routine 8, realizes data acquisition and monitoring management, the response of client data access request; The counterfoil 9 that far call COM/DCOM serves; Data acquisition and monitoring (SCADA) administration module 10; Service end hardware and embedded system 11; COM service management module 12; Service safe administration module 13; Local data gathers port driver block 14 functional unit such as grade or module.
The data acquisition and monitoring intelligent terminal that the utility model relates to, has TD-LTE telecommunication management, OPC data, services end, OPC client and access control four large functional modules according to said structure.Communication management module realization is to the communication mode of terminal employing and parameter thereof, data protocols etc. are configured and management, set up the mapping of TD-LTE broadband wireless access and TCP/IP dynamic IP, support that OPC data, services end and client pass through the dynamic group net of counterfoil (Stub)/agency (Proxy), COM service management module 5 in corresponding diagram 1, client hardware and embedded system 6, application safety administration module 7, service end hardware and embedded system 11, COM service management module 12, the network connection and date transmission function of service safe administration module 13 and the several functional unit of TD-LTE mobile network incoming end 15 or module, OPC client-side program 3 is set up exchanges data by remote agent module 4 with the COM/DCOM assembly of OPC data, services end and is connected, or sets up exchanges data by local COM chained library with the machine OPC service and be connected.Remote agent module 4 utilizes TD-LTE communication module interface and parameter to realize the communication connection of cross-terminal and service end is accessed, and the RPC service of call operation system, starts the corresponding com component of service end.Client-side program sends request of data with synchronous or asynchronous system, the data structure exchanged according to OPC teledata and agreement (data type, data length, refresh cycle), setting data acquisition target, scope and parameter, refresh data, and the teledata of acquisition is write the data buffer area of local OPC service, or be forwarded to other long-range OPC data, services ends; OPC data, services end program 8 mainly configuration local data cache mode, storage resources is distributed and data access interface parameter, port is gathered to local data and refreshes each node data in real time by device driver module 14, the client 2 of management data access, sets up data acess method and the configuration of market demand model parameter of real-time data base (RTDB); Access control module is mainly on the basis that COM/DCOM far call controls, set up the control of authority of data access, by the data access interface setting data authority of OPC data, services end counterfoil and Client Agent, realize image data fail safe and consistency under different application, the subscriber management function realized in COM service management module 5, application safety administration module 7 and COM service management module 12, service safe administration module 13 in corresponding diagram 1.
As Fig. 2, the data acquisition and monitoring intelligent terminal that the utility model relates to, the C/S that remote data transmission and exchange adopt TD-LTE mobile communication technology and DDNS method to realize between intelligent terminal connects.Set up monitoring field communication subnet parameter server, the OPC data, services end 1 of intelligent terminal is registered to TD-LTE net by dialing sim card, by Wire Parameters such as native service title, SIM/USIM card number, dynamic IP addressing, service port number, communication subnet parameter server is sent to XML file form, and on line refreshable, realize the mobile access parameter Real-time Obtaining of control domain all data acquisition service end.OPC client 2 on intelligent terminal can directly with IP address and HTTP mode accessing communication subnet parameter server, the Remote Terminals for Weather Servics network connection parameter that acquisition will be accessed, thus move access by TD-LTE, realize calling and data access with the long-range COM/DCOM of destination service end.
The data store organisation that the data acquisition and monitoring intelligent terminal that the utility model relates to adopts in data transmission with exchange process comprises data page (Data Page), data block (Data Block) and data item (DataItem) three layers.Wherein, data page defines the tidal data recovering attribute of monitor node, realizes associating between the table (Table) of data group in OPC standard (Data Group) and real-time data base or view (View); Initial and termination time of definition data block data acquisition, data length and number, data page position and data sequence structure (array, single line chained list or tree structure); Definition of data item individual data type, length, physical significance, constraints and data source (corresponding acquisition terminal or data acquisition node).According to the requirement of system monitoring to data acquisition, adopt the relational data model of space-time sequence, all definition of data item comprise positional information P
d, physical significance or logical relation S
d, temporal information d (t) three part, this three part composition data item Data Structures: D (Pd, Sd, d (t)), support space, logic and time three-dimensional data inquiry and refreshing, namely at data Existence dependency relationship d (t) of time period [t0, tf] interior moment t: Pd → d (t); Sd → d (t); T → d (t).Secondly, the modeling of supported data applied business, export as target with the parameter identification of monitored object, system or industrial process dynamic model and quantity of state, set up the relational database between the locus of data acquisition node and physical logic parameter, realize the inquiry of multi-dimensional data intersection, data mining and data fusion etc. and basic data source and data model are provided.
The data acquisition and monitoring intelligent terminal that the utility model relates to, based on above-mentioned data structure, by defining data terminal networking parameter, data terminal acquisition node and real time data sequence three class relation in data page, and write corresponding data by OPC data acquisition service and retransmission process, form target data page, be sent to OPC client, realize that data collection station is distributed, self-organizing data interaction function.The basic structure of data page as shown in Figure 3.
The data acquisition and monitoring intelligent terminal that the utility model relates to, the data input of its OPC data, services end module comprises local OPC client, based on the Terminal Server Client of TD-LTE and local data port (serial ports, ISA data card, 485 buses, wireless network sensing network etc.) three classes.Service end and client adopt OPC data structure (serve, group and data item) mutual, i.e. group, the data item complete map of service end and client, service end and local data port adopt device drives mode to realize data acquisition protocol.The data of OPC data, services end module export the data model adopting above-mentioned data page (Data Page), data block (Data Block) and data item (Data Item), mapped by data defined attribute, exchanges data can be carried out with database, XML file etc.
The data acquisition and monitoring intelligent terminal that the utility model relates to, adopts above-mentioned TD-LTE mobile communication, realizes Long-distance Control (remote control), parameter regulates the transmission of (remote regulating) operational order, audit and this locality issues function.As shown in Figure 4, operational order is encrypted as a data page according to safe class, comprise rights management, operand definition and order parameter value three class data block, by Surveillance center's control operation computer 16 and personal information, object terminal and the binding such as telemechanical node, content of operation and level of security, controlled parameter state inspection, OPC service terminal 17 is audited and protocol conversion the remote control received/remote regulating operating data page according to telemechanical agreement.After telemechanical OPC Terminal Service 18 receives remote operation instruction, extract or conversion and control instruction, be issued to bottom actuator (relay switch or servomotor etc.) by local data port, return execution result simultaneously, thus support remote control application.
The utility model is a kind of stand-alone intelligent terminal, has based on the dynamic group net of TD-LTE wireless access, data acquisition, data management and forwarding, remote control instruction transmitting function.Specific implementation mainly adopts embedded system, as Microsoft Windows CE, Android, Linux PDA etc.Wherein, because OPC standard have employed Microsoft Windows COM/DCOM technology, therefore, prioritizing selection MicrosoftWindows CE embedded system platform, if select other system, need to increase the suitable assembly of exploitation COM/DCOM function and service, technical research difficulty increases.For this reason, the utility model mainly adopts following two class implementing platforms:
(1) data collection station adopts arm processor (as Samsung Cortex-A8 S5PV210) and Microsoft Windows CE embedded system, and mainboard is with interactive operation peripheral slot, data storage and communication interfaces such as input through keyboard, display screen, internal memory, SD storage card/USB flash disk, GPRS/CDMA/4G communication, Ethernets.In addition, according to data acquisition and monitoring needs, mainboard is with data acquisition ports such as native data collection, DIO (by simplifying isa bus expansion), USB, RS485/232, Zigbee radio communications;
(2) data, services terminal adopts one of arm processor (as Samsung Cortex-A8 S5PV210) and Microsoft Windows CE, Android, Linux PDA, and mainboard is with interactive operation peripheral slot, memory and data communication interfaces such as input through keyboard, display screen, internal memory, SD storage card/USB flash disk, GPRS/CDMA/4G communication, Ethernets.
The main data communication card two kinds of modes adopting USB interface 4G communication module and be integrated on mainboard of TD-LTE radio communication access.The product that 4G communication module directly buys mobile communication equipment manufacturer is inserted into terminal, and mobile communication place in circuit is integrated on mainboard by data communication calorie requirement, plug SIM card or usim card, different data cards supports different network formats, as: GSM card, WCDMA card, LTE card etc.
The client actualizing technology scheme of the OPC intelligent terminal based on TD-LTE that the utility model relates to is: the OPC library file exploitation service routine adopting Windows COM/DCOM technology and C Plus Plus on Windows CE, set up the COM/DCOM technology application architecture being applicable to embedded system, the driving of integrated local data port and communication Protocol Conversion, according to the IP address of monitoring field communication subnet parameter server, autonomous Connecting quantity server, and upload native service reference address and operation information.
The client actualizing technology scheme of the OPC intelligent terminal based on TD-LTE that the utility model relates to is: on above-mentioned embedded system platform, adopt the OPC library file exploitation OPC client of Windows COM/DCOM technology and C Plus Plus, or adopt pure Java technology to realize OPC client, need to set up Utgard to increase income engineering, Utgard provides the OPC library file utilizing pure Java language to write, and can develop the client meeting OPC DA2.0 specification.In addition, EntireX DCOM technology or OPC XML-DA specification also can be utilized to develop OPC client, can cross-platform be applicable to.The communication of OPC client and service end adopts TD-LTE RFDC to carry out, thus achieves the object utilizing mobile terminal to carry out data acquisition and monitoring, has portability and mobility.
Client-side program function based on the OPC intelligent terminal of TD-LTE comprises: service connects/disconnection, data read/write and chart display.
Service connection/disconnection achieves and the connection of server and interrupt management, mainly configures the link information of client and creates server object, and disconnect and destroy server object.First, the IP address of server and domain name must be set with the server computer on recognition network; Then, need ProgID or CLSID that com component is set, carried out the OPC data, services that identified server computer runs thus by the information in registration table; Finally, set service access account, the configuration on its username and password and server matches.After client configuration is good, just can creates a server object according to configuration information, the connect () of server invocation object, just can realize the exact connect ion with server end.
The read/write of client mainly realizes the data (value, quality, timestamp etc.) reading server, and by the item of value write server, thus realize the Inspect and control to server.The execution of client read/write data function must after correctly connecting with server, for the needs of reality, client needs monitoring in real time, therefore, client adopts sync cap to the read/write of server data, the item constantly reading server is at a certain time interval set, and data are stored.
The data read from server show with the form of curve chart or other shape figure, to make it more directly perceived by main realization of client chart display.Chart display combines with digital independent function, the real time data read is processed from server, as asked for the mean value of data in a period of time, then by the Plotting data after process in the graph, and main support local monitor function.
Intelligent terminal can be divided into by the process of TD-LTE module or data card access network searches net, registration and dialing three step, detailed process is as follows: (1) searches net after starting automatically, TD-LTE module or data card are plugged after usim card powers on, will the automatic search network that can access; (2) TD-LTE module or data card and network connect, search network and read messaging parameter from the machine configuration file, dial in cordless communication network, namely would subscribe to wireless network cell after dial-up success and adhere in the mobile communication network, TD-LTE wireless network distributes an internet ip to TD-LTE module or data card; (3) IP is distributed to data collection station by TD-LTE module or data card, and data collection station is set up and is connected with the indirect of internet.Wherein, after TD-LTE module or data card get IP, embedded system triggers TD-LTE module or data card utilizes DHCP agreement by the IP address assignment of net side acquisition to data collection station, thus data collection station just can pass through this IP access network.
After data collection station utilizes TD-LTE wireless access to be connected to network, OPC data, services termination receives teledata request, according to image data attribute aggregated data, forms data page and sends to client; OPC client obtains the network connection parameter of destination service terminal by monitoring field communication subnet parameter server, sets up the connection with OPC data, services end, obtains data or control command is sent to this service end from this terminal remote.
OPC client and service end data exchange process as follows:
(1) OPC client's side link is on service terminal, and set up OPC group and OPC data item, wherein, in order to access process data, OPC client needs the title of configured in advance (appointment) data, services and runs the machine name of this data, services or terminal network identification number and title, the information such as the Item definition on data server.
(2) OPC client is conducted interviews by Group and the Item set up service end and realizes access to process data, the data source that client can select equipment (Device) or buffering area (Cache) to access as it, the process data access of client comprises the reading, renewal, subscription, write etc. of process data.
(3) completion notice, the process data access request of server customer in response end, row relax of going forward side by side, notifies client when complete, and during as asynchronous read/write, server will notify client when end of operation.
(4) the IP address of access services end is from website service space navigation and the acquisition of monitoring territory.When the abnormal connection disconnected with client occurs service end, give notice to client.
Intelligent terminal leading indicator
(1) real-time property index
According to the response speed of TD-LTE Radio Access Network, between data collection station, p2p transmits the time delay of data is level scope second.Under the flow of conventional operation, the Average bulk time delay of TD-LTE data communication is about 1-1.5 second.That is, the packet sent from TD-LTE OPC data terminal roughly will arrive data center at about 1.5 seconds.Otherwise, also roughly arrived data collection station at about 1.5 seconds from the packet of data center.Therefore, the real-time that TD-LTE network data transmits, can meet the requirement of most industries application.But for the extra high application system of requirement of real-time (e.g., the SCADA system of monitoring operation of power networks), if can not receive the average delay of about 2 seconds, so TD-LTE communication mode may be just unaccommodated.
(2) data communication rates index
Traffic rate due to TD-LTE network reaches that upstream peak speed is 50Mbps, downlink peak rates is 100Mbps, therefore, based on TD-LTE OPC data terminal between and data communication rates between data terminal and data center can reach about 10Mbps.From that is, the OPC data terminal based on TD-LTE can send data with the speed of 10Mbps to data center continuously, and vice versa.According to the requirement of system application reliability, when the data average traffic of application system itself is within 10Mbps, using TD-LTE network to carry out data remote transmission is than better suited.
Above-described embodiment is the utility model preferably execution mode; but execution mode of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (5)
1. the OPC data acquisition and monitoring intelligent terminal based on TD-LTE, it is characterized in that: comprise TD-LTE communication management module, OPC data, services end, OPC client and access control module, described TD-LTE communication management module realizes the communication mode that adopts terminal and parameter thereof, data protocol is configured and management, set up the mapping of TD-LTE broadband wireless access and TCP/IP dynamic IP, support that OPC data, services end and OPC client pass through the dynamic group net of counterfoil/agency; Described OPC client is set up exchanges data by remote agent with the COM/DCOM assembly of OPC data, services end and is connected, or sets up exchanges data by local COM chained library with the machine OPC service and be connected; Described OPC client sends request of data with synchronous or asynchronous system, the data structure exchanged according to OPC teledata and agreement, setting data acquisition target, scope and parameter, refresh data, and the teledata of acquisition is write the data buffer area of local OPC service, or be forwarded to other long-range OPC data, services ends; Described OPC data, services end configuration local data cache mode, storage resources distribute and data access interface parameter, port is gathered to local data and refreshes each node data in real time by device drives, the client of management data access, sets up data acess method and the configuration of market demand model parameter of real-time data base; Described access control module, on the basis that COM/DCOM far call controls, sets up the control of authority of data access, by the data access interface setting data authority of OPC data, services end counterfoil and Client Agent.
2. the OPC data acquisition and monitoring intelligent terminal based on TD-LTE according to claim 1, it is characterized in that: described teledata, it transmits and exchanges the C/S adopting TD-LTE mobile communication technology and DDNS method to realize between intelligent terminal and connects.
3. the OPC data acquisition and monitoring intelligent terminal based on TD-LTE according to claim 1, is characterized in that: the data store organisation adopted in data transmission with exchange process comprises data page, data block and data item three layers; Wherein, data page defines the tidal data recovering attribute of monitor node, realizes associating between the table of data group and real-time data base in OPC standard or view; Initial and termination time of definition data block data acquisition, data length and number, data page position and data sequence structure; Definition of data item individual data type, length, physical significance, constraints and data source; According to the requirement of system monitoring to data acquisition, adopt the relational data model of space-time sequence, all definition of data item comprise positional information, physical significance or logical relation, temporal information three part; Secondly, the modeling of supported data applied business, export as target with the parameter identification of monitored object, system or industrial process dynamic model and quantity of state, set up the relational database between the locus of data acquisition node and physical logic parameter, realize the inquiry of multi-dimensional data intersection, data mining and data fusion etc. and basic data source and data model are provided.
4. the OPC data acquisition and monitoring intelligent terminal based on TD-LTE according to claim 1, it is characterized in that: the described OPC data acquisition and monitoring intelligent terminal based on TD-LTE, by defining data terminal networking parameter, data terminal acquisition node and real time data sequence three class relation in data page, and write corresponding data by OPC data acquisition service and retransmission process, form target data page, be sent to OPC client, realize that data collection station is distributed, self-organizing data interaction function.
5. the OPC data acquisition and monitoring intelligent terminal based on TD-LTE according to claim 1, it is characterized in that: described OPC data, services end, the input of its data comprises local OPC client, based on the Terminal Server Client of TD-LTE and local data port three class.
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| CN105607957A (en) * | 2015-12-23 | 2016-05-25 | 杭州真鹏科技有限公司 | OPC DA based data collection and monitoring system and method |
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| CN110300152A (en) * | 2019-05-23 | 2019-10-01 | 南京理工大学 | Internet of Things laboratory equipment monitoring system and method based on TD-LTE |
| CN112631218A (en) * | 2020-12-14 | 2021-04-09 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Universal OPC equipment acquisition control module and method |
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2015
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| CN104660682A (en) * | 2015-01-27 | 2015-05-27 | 华南理工大学 | OPC data acquisition and monitoring intelligent terminal based on TD-LTE |
| CN104660682B (en) * | 2015-01-27 | 2018-04-27 | 华南理工大学 | A kind of OPC data collection and monitoring intelligent terminal based on TD-LTE |
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| CN105630613A (en) * | 2015-12-23 | 2016-06-01 | 杭州真鹏科技有限公司 | Integration system and method of a large quantity of actual measurement signals |
| CN105630613B (en) * | 2015-12-23 | 2019-01-01 | 杭州真鹏科技有限公司 | A kind of integrated system and method for big quantity measured signal |
| CN105607957B (en) * | 2015-12-23 | 2019-01-25 | 杭州真鹏科技有限公司 | A kind of data acquisition analysis system based on OPC DA |
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| CN106843058A (en) * | 2017-03-03 | 2017-06-13 | 南京富岛信息工程有限公司 | A kind of the secure data harvester and acquisition method of hiding control system IP address |
| CN109194528A (en) * | 2018-10-30 | 2019-01-11 | 浙江理工大学 | A kind of Knitting Machinery data gateway and control method based on OPC UA |
| CN110300152A (en) * | 2019-05-23 | 2019-10-01 | 南京理工大学 | Internet of Things laboratory equipment monitoring system and method based on TD-LTE |
| CN112631218A (en) * | 2020-12-14 | 2021-04-09 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Universal OPC equipment acquisition control module and method |
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