Parameter data server, parameter data transmission method and data transmission system

A data transmission method and a data server technology, which are applied in the field of computer communication, can solve the problems of various and inconsistent interfaces of data acquisition equipment, the inability to realize unified access of data acquisition equipment, standardized output, and inability to meet data transmission requirements, etc., to meet the requirements of Effect of Data Transfer Requests

Active Publication Date: 2012-07-25
SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But serial communication is slower than parallel communication by byte
[0005] In the scene of emergency detection, the amount of short-term burst sensing data is large, the environment changes greatly, there are many kinds of sensing parameters, and the interfaces of data acquisition equipment are various and inconsistent (such as RS-232, RS-485, RS-422, USB , Ethernet interface, etc.), and requires fast deployment, fast startup, fast networking, etc., because conventional data transmission systems and methods cannot realize unified access and standardized output of a large number of data acquisition devices with different types of interfaces, they cannot meet the requirements of sudden Data transmission requirements for incident detection scene

Method used

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  • Parameter data server, parameter data transmission method and data transmission system
  • Parameter data server, parameter data transmission method and data transmission system
  • Parameter data server, parameter data transmission method and data transmission system

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Embodiment 1

[0053] Such as figure 1 As shown, the parameter data server includes a main control module, a data receiving module, a preprocessing module, a standard data output module, a data pool and a historical data storage module.

[0054] The main control module is used to control the start of the data receiving module and the standard data output module, and generate a daemon process to monitor the working status of these two modules;

[0055] The data receiving module is used to receive parameter data and cache it into the receiving buffer, then start the preprocessing module, and then start the preprocessing module, and can output the cached parameter data to the display;

[0056] The data receiving module may include a Socket server receiving module, and the Socket server receiving module receives parameter data through socket communication and buffers it in the receiving buffer, uses the verification check data to verify the received parameter data, and checks the received parame...

Embodiment 2

[0069] Such as figure 2 As shown, a data transmission system is constructed using the parameter data server of Embodiment 1, and the data transmission system includes one or more parameter data acquisition devices, one or more serial port-to-Ethernet interface modules, parameter data switches, parameter data servers, a Or multiple streaming data acquisition devices, streaming data switches, streaming data servers, OPC data access clients;

[0070] The parameter data acquisition device is used to output parameter data through a serial port (such as RS-232, RS-485, RS-422);

[0071] The serial port to Ethernet interface module is used to convert serial port (such as RS-232, RS-485, RS-422) parameter data into standard physical Ethernet interface parameter data, one end communicates with the serial port of the parameter data acquisition device, and the other end Communicate with the Ethernet interface of the parameter data switch, and output the parameter data output by the ser...

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Abstract

The invention discloses a parameter data server which comprises a data receiving module, a pre-processing module, a standard data output module and a data pool; the data receiving module is used for receiving parameter data and caching the same to a receiving buffer, and then the pre-processing module is started; the pre-processing module is used for analyzing the parameter data which is cached in the receiving buffer, and writing the parameter data into the data pool in a queue data structure; and the standard data output module is used for sequentially outputting the parameter data in the queue data structure in the data pool according to the standard of an object linking and embedding for process control (OPC) interface. The invention also discloses a parameter data transmission method and a data transmission system. According to the invention, multiple types of serial parameter data acquisition equipment can be accessed to a client terminal conveniently.

Description

technical field [0001] The invention relates to computer communication technology, in particular to a parameter data server, a parameter data transmission method and a data transmission system. Background technique [0002] Data acquisition equipment used to perceive field data, some output parameter data, some output text data, and some output image data (such as infrared light, visible light, X-ray, ultrasonic and tomographic imaging, etc.). [0003] As stream data, text data and image data are larger than ordinary parameter data, and are usually transmitted using multimedia data interface devices such as video, which will consume remote bandwidth resources and valuable on-site processing resources. [0004] Data acquisition equipment usually outputs parameter data through industrial physical serial ports (such as RS-232, RS-485, RS-422, etc.). The serial port communication protocol is a common communication interface for computers, instruments and meters. The concept of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L12/861
Inventor 徐正蓺魏建明童子磊田欣龚勇马皛源田朝阳徐俊章炜刘道明孔之晟
Owner SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
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