Collecting and controlling device for date of environmental protection with multiple network interface based on two-level architecture

A network interface, data acquisition technology, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve the problems of poor mobility, short effective radius, short trouble-free working time, etc., to achieve good scalability and flexibility , the effect of expanding communication distance and eliminating communication blind spots

Inactive Publication Date: 2007-08-01
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are two methods of environmental protection data acquisition and control: one is the industrial computer method, which provides strong data processing and communication functions, but has high power consumption, high cost, short effective radius of the network, and poor mobility. The transmission device has a short trouble-free working time; the other is the modular embedded method, with weak data processing and communication functions, and most embedded systems are still in the stage of individual application. Sharing and communication, can use CAN, LONWORKS, RS-232C and RS-485 / 422 bus network
But the same network has a shorter effective radius and is isolated from the public network

Method used

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  • Collecting and controlling device for date of environmental protection with multiple network interface based on two-level architecture
  • Collecting and controlling device for date of environmental protection with multiple network interface based on two-level architecture
  • Collecting and controlling device for date of environmental protection with multiple network interface based on two-level architecture

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and examples, but the protection scope of the present invention is not limited to the range expressed in the examples.

[0029] As shown in Fig. 1, a kind of environmental protection data acquisition control device based on double-layer architecture and various network interfaces described in the present invention is made up of a host computer 13 and several sub-machines 14, and host computer 13 is configured with a group of downlink RS-232 The / 485 communication interface is used to connect the sub-machine 14. The network connection between the host machine 13 and the slave machine 14 adopts a star topology. There is a built-in data unit inside the host machine 13 for collecting and controlling local layer data, and the slave machine is used as an extended data unit for collecting and controlling remote layer data. An environmental protection data online monitoring devic...

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Abstract

This invention discloses one environment friend data collection control device based on double layer rack, which comprises one host machine and several sub machines, wherein, the host and sub machines adopt star topological structure; host inner data unit is to collect local layer data; sub machine is as extensive data unit to collect remote layer data to form the online monitor; host sets multiple upper network interfaces into public communication network.

Description

technical field [0001] The invention relates to the field of data collection and control, in particular to a substation device in an Internet / Intranet-oriented remote online collection and control system for environmental protection data. Background technique [0002] As the technical department of the national environmental protection system, the environmental monitoring department is an important basis for environmental management. With the enhancement of citizens' environmental awareness, more and more people begin to care about the quality of their environment and demand transparency in environmental protection work; higher-level authorities also need large-scale, diverse, and fast-updating information. Obviously, this raises a problem that should be paid attention to by the environmental monitoring department: how to establish an environmental protection data collection and control system with strong practicability, wide coverage and good flexibility to meet the needs o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418H04L29/06
CPCY02P90/02
Inventor 张齐朱宁西林奎齐德昱王国毅李冉冉罗承林黄锦燕
Owner SOUTH CHINA UNIV OF TECH
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