CN101925196A - WEB information system based on PDA - Google Patents
WEB information system based on PDA Download PDFInfo
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- CN101925196A CN101925196A CN2009100530647A CN200910053064A CN101925196A CN 101925196 A CN101925196 A CN 101925196A CN 2009100530647 A CN2009100530647 A CN 2009100530647A CN 200910053064 A CN200910053064 A CN 200910053064A CN 101925196 A CN101925196 A CN 101925196A
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Abstract
The invention relates to a WEB information system based on PDA, which comprises a data service layer, a WEB service layer and a client-side, wherein the data service layer is connected with the WEB service layer and the WEB service layer is connected with the client-side. Compared with the prior art, the invention has the advantages that a PDA handset realizes the SCADA system transferring from the traditional fixed platform to the movable platform by networking with an SCADA system information management database and a WEB server, and immediately and exactly transmits the state information of each remote station to the related production command personnel in the movable state, thus causing the command personnel to completely master the related production information in the full zone at any time and place, thereby providing sufficient conditions for enterprises to strive for the best services and the best economic benefits. Therefore, the monitoring platform of the previous fixed SCADA system dispatching end is unmatched.
Description
Technical field
The present invention relates to the WEB information system, relate in particular to WEB information system based on PDA.
Background technology
Along with the develop rapidly of management information system (MIS) technology, become the main flow of industry development based on the information system of WEB.In gas, main website of water supply industry pipe network SCADA dispatching system from initial standalone version HMI based on dos operating system, to networked HMI based on the Client/Server structure, distributed HMI master control platform up till now based on database and WEB service.The main monitor supervision platform of all these SCADA systems all is a fixed platform, i.e. the visit of system can only be in the control centre or the enterprising pedestrian's machine of the fixed terminal of office exchange.
But, development along with mobile communication technology, people also turn to mobile platform from fixed platform to the inquiry and the operation of information, and traditional SCADA system call monitoring client is not supported the information exhibition and the search request of mobile platform, can not satisfy the bookkeeping personnel that are in mobile status and person in charge's dynamic queries demand.Present case has solved the temperature of SCADA system call monitoring client to the mobile platform inquiry, make that relevant bookkeeping personnel and person in charge can be under mobile statuss, the health information of immediate inquiring SCADA system, become fixing operation and be move operation and inquiry, have significant utility model with inquiry.
Summary of the invention
Purpose of the present invention is exactly in order to overcome the defective that above-mentioned prior art exists, a kind of safe and reliable WEB information system based on PDA to be provided.
Purpose of the present invention can be achieved through the following technical solutions: based on the WEB information system of PDA, it is characterized in that, this information system comprises data service layer, WEB service layer, client, and described data service layer is connected with WEB service layer, and described WEB service layer is connected with client.
Described data service layer comprises database.
Described client is PDA.
Compared with prior art, advantage of the present invention be the PDA hand-held set by with the networking of SCADA SIM system information management database and WEB server, realize that the SCADA system shifts to mobile platform from traditional fixed platform, with each remote site condition information in time make, send to exactly and be in the relevant commanding of production of mobile status, make the commanding can be at any time, region-wide interior relevant production information is grasped in the place all sidedly, thereby provide sufficient condition for enterprise strives for optimal service and optimum economic benefit, this fixed in the past SCADA system call end monitor supervision platform is incomparable.
Description of drawings
Fig. 1 is the WEB structure of information system schematic diagram that the present invention is based on PDA.
Embodiment
The present invention will be further described below in conjunction with specific embodiment.
PDA is the abbreviation of Personal Digital Assistant, literally means " personal digital assistant ".This handheld device has been concentrated calculating, phone, multiple functions such as fax and network.It not only can be used to managing personal information (as address list, plan etc.), the more important thing is and can surf the web, and transmitting-receiving Email can send a fax, simultaneously integrated cell-phone function.Particularly importantly, these functions can realize by wireless mode.
The present invention utilizes the function that surfs the web of PDA just, by public network, directly visits the WEB server of intranet inside, goes up inquiry gas transmission and distribution quasi real time work information and all kinds of statistics thereby be implemented in PDA.
The present invention has set up PLC and has connected to SQL Server data of database, has made up based on data warehouse SQL Server database, the natural gas transmission and distribution management of the whole Pudong of covering, has finished constructing of data dispatching hinge.Set up the dynamic refresh storehouse of following the tracks of each remote site real-time working condition, monitor the WEB server in real time thereby set up pipe network.Adopt the WEB operation interface of AJAX technology, realize that the on-the-spot Web page of data non-jitter refreshes.
The long-range mobile platform that pda system is set up by the virtual public network of telecommunications.In enterprise uses, fail safe and privacy in order to ensure enterprises information, must be by package and encrypted transmission to network data, be implemented in the level of security that transmits private data on the public network, reaches private network, thereby utilize public network to construct virtual private networks (Virtal Private Network, i.e. VPN), VPN has two layers of meaning: 1. it is virtual net, promptly do not have fixing physical connection, just set up when the networking has only the user to need; 2. it is a private network of utilizing the public network facility to constitute, can pass through the safe and reliable access management information of public data network thereby be implemented in Anywhere.
The long-range mobile access platform of PDA of the present invention is based upon on the WEB service platform, system adopts the B/S three-decker, SQL Server deposits each website service data of SCADA system acquisition, support as the WEB data in server, the intermediate layer is the WEB server, processing is extracted deal with data from the request of client according to the service logic needs from database, front-end user interface realizes by client browser.
As shown in Figure 1, based on the WEB information system of PDA, this information system comprises data service layer, WEB service layer, client, and described data service layer is connected with WEB service layer, and described WEB service layer is connected with client.Described data service layer comprises database.Described client is PDA.
WEB server OS: Windows 2003 Server.
WEB application server: IIS6.0.
Database server operating system: Windows 2003 Advanced Sever (trooping).
Database product: Oracle.
Development environment: based on .NET Framework v2.0.
Developing instrument: Visaul Studio.Net 2003.
Development language: VC#.
.NET Framework platform has been adopted in the exploitation of WEB server core.
.NET Framework is that several development teams of Microsoft are made great efforts the achievement that develops together, main be used for producing one can be used for exploitation fast, dispose the development platform of website service and application program.This framework is the result of two projects: the purpose of first project is the program development that is used for improving on the Windows job platform, particularly improves COM (Component Object Model, component object module.The software engineering that a kind of Microsoft formulated; Allow the function of object can be allowed assembly reuse, upgrade easily and safeguard) by usefulness that other software is named; Second project then is that one of making is the development platform of target with development service (Service) software.
.Net Framework has following characteristic when design:
1. the standard that sees through the internet is done integration;
With XML (eXtensible Markup Language, extend the mark language) and SOAP (Simple ObjectAccessProtocol, simple object Access Protocol) etc. the standard communications protocol combines work with various application program and the assemblies of being made up of varying environment.
2. loose integrated assembly:
The system of most of tool extension abilities (extendible function), present stage is that framework is set up with " asynchronous message ".The framework of setting up this multilayer is very complicated, and instrument seldom..NET Framework does not need the structure of very rigorous each assembly of definition to integrate very easily, can improve the ductility of program like this.
3. support multiple program language:
.NET Framework can integrate multiple programming language, uses the distinct program language to develop the cooperative ability of solution thereby improve the developer.
4. perfect data are saved from damage:
Design an internet applications that fail safe is perfect, when design, just must consider the design of saving from damage of all component, and can not only do a part..NET Framework promptly considers this point constantly at the design safety model, and all data and program code are done perfect security protection.
5. the service of applicable operating system:
Windows provides service and the resource abundanter than other job platform, and for example numerous data access services, the integration safe mode that using system provided are done status checking and the work of saving from damage, interactively user's interface, ripe object module, transaction program monitors and the message formation is served..NET Framework also gets up the function packaging that these operating system provided out certainly, provides the programmer to use in simpler mode.The operating system of PDA adopts Windows CE.Windows CE is the embedded OS based on assembly of Microsoft's exploitation, is specifically designed to handheld device and information household appliances.This system has adopted the look ﹠ feel consistent with Windows, is familiar with the user of Windows, and it is rather easy to grasp Windows CE, and operation PDA is just as at SCADA system control room operation supervise and control platform.
The data flow of pda system requires to plan and to define according to information system management, and system data structure and data flow are planned targetedly and designed:
(1) the database data storage will be according to real-time (packing density is 5 minutes) tables of data collection and statistics table collection two class table collection packet memory.
(2) real time data table collection is formed all-the-way tracking field working conditions data by duty parameter attribute list, real-time dynamic refresh storehouse (UpDate storehouse), floor data tracking table record, dynamic analysis tables of data etc.
(3) database provides various data, services by each storing process, comprises functions such as accurate inquiry, fuzzy query and query composition.
Claims (3)
1. based on the WEB information system of PDA, it is characterized in that this information system comprises data service layer, WEB service layer, client, described data service layer is connected with WEB service layer, and described WEB service layer is connected with client.
2. the WEB information system based on PDA according to claim 1 is characterized in that described data service layer comprises database.
3. the WEB information system based on PDA according to claim 1 is characterized in that described client is PDA.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100530647A CN101925196A (en) | 2009-06-15 | 2009-06-15 | WEB information system based on PDA |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100530647A CN101925196A (en) | 2009-06-15 | 2009-06-15 | WEB information system based on PDA |
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| CN101925196A true CN101925196A (en) | 2010-12-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571025A (en) * | 2014-12-18 | 2015-04-29 | 陕西煜辉能源技术有限公司 | Heat energy management system |
| CN105988423A (en) * | 2015-01-28 | 2016-10-05 | 上海远动科技有限公司 | Data transmission system and method thereof for water supply information of water plant |
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| CN1820262A (en) * | 2003-06-09 | 2006-08-16 | 范拉诺公司 | Event monitoring and management |
| US20080103732A1 (en) * | 2006-11-01 | 2008-05-01 | Abb Research Ltd. | Electrical substation monitoring and diagnostics |
| CN101414945A (en) * | 2008-10-15 | 2009-04-22 | 上海道仑软件有限公司 | Platform system and method for building information system |
| WO2009066179A1 (en) * | 2007-11-21 | 2009-05-28 | Millipore Corporation | Verification and control device and method for at least one water purification system |
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- 2009-06-15 CN CN2009100530647A patent/CN101925196A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1820262A (en) * | 2003-06-09 | 2006-08-16 | 范拉诺公司 | Event monitoring and management |
| US20080103732A1 (en) * | 2006-11-01 | 2008-05-01 | Abb Research Ltd. | Electrical substation monitoring and diagnostics |
| WO2009066179A1 (en) * | 2007-11-21 | 2009-05-28 | Millipore Corporation | Verification and control device and method for at least one water purification system |
| CN101414945A (en) * | 2008-10-15 | 2009-04-22 | 上海道仑软件有限公司 | Platform system and method for building information system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571025A (en) * | 2014-12-18 | 2015-04-29 | 陕西煜辉能源技术有限公司 | Heat energy management system |
| CN105988423A (en) * | 2015-01-28 | 2016-10-05 | 上海远动科技有限公司 | Data transmission system and method thereof for water supply information of water plant |
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Application publication date: 20101222 |
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