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WEB information system based on PDA

An information system and WEB service technology, applied in transmission systems, wireless communications, electrical components, etc., can solve problems such as the inability to meet dynamic query requirements, and the scheduling monitoring terminal does not support mobile platform information display and query requirements.

Inactive Publication Date: 2010-12-22
SHANGHAI YUANDONG SCI & TECH
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AI Technical Summary

Problems solved by technology

[0003] However, with the development of mobile communication technology, people's query and operation of information have also shifted from fixed platforms to mobile platforms, and the traditional SCADA system scheduling and monitoring terminal does not support the information display and query requirements of mobile platforms, and cannot meet the requirements of mobile platforms. Manage the dynamic query needs of operators and supervisors

Method used

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  • WEB information system based on PDA
  • WEB information system based on PDA

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with specific examples.

[0011] PDA is the abbreviation of Personal Digital Assistant, which literally means "personal digital assistant". This handheld device integrates computing, telephony, fax, and networking functions. It can not only be used to manage personal information (such as address book, plan, etc.), more importantly, it can browse the Internet, send and receive emails, send faxes, and integrates mobile phone functions. Most importantly, these functions can be realized wirelessly.

[0012] The present invention uses the Internet browsing function of the PDA to directly access the WEB server inside the enterprise LAN through the public network, so as to realize the query of the real-time working condition information and various statistical data of the gas transmission and registration on the PDA.

[0013] The invention establishes the data connection from the PLC to the SQL Server datab...

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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 [0001] The invention relates to a WEB information system, in particular to a PDA-based WEB information system. Background technique [0002] With the rapid development of management information system (MIS) technology, the information system based on WEB has become the mainstream of the development of the industry. In the urban gas and water industry pipe network dispatching SCADA system master station from the initial stand-alone HMI based on the DOS operating system, to the networked HMI based on the Client / Server structure, to the current distributed HMI master control based on database and WEB services platform. The main monitoring platforms of all these SCADA systems are fixed platforms, that is, the access to the system can only be performed on the fixed terminal in the dispatch center or office for man-machine communication. [0003] However, with the development of mobile communication technology, people's query and operation of information have als...

Claims

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Application Information

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IPC IPC(8): H04W80/12H04L29/06
Inventor 胡介民黄明
Owner SHANGHAI YUANDONG SCI & TECH
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