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An integrated high-reliability and high-precision long-term monitoring system

A monitoring system, high-precision technology, applied in general control systems, control/regulation systems, program control, etc., can solve problems such as low precision, insufficient long-term reliability, and complex composition of system equipment, so as to reduce system complexity and improve The continuous working time and the effect of improving the accuracy of signal acquisition

Active Publication Date: 2018-12-21
BEIJING INST OF ASTRONAUTICAL SYST ENG +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the above-mentioned defects of the prior art, and provide an integrated high-reliability and high-precision long-term monitoring system, through the improvement and innovation of traditional data collection, encoding, transmission, and demodulation processing methods, based on the serial communication interface and industrial Ethernet, which solves the problems of complex composition of system equipment, low precision and insufficient long-term reliability, and realizes the functions of high reliability, high precision and long-term monitoring of the system

Method used

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  • An integrated high-reliability and high-precision long-term monitoring system

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Embodiment 1

[0075] 1. System topology design

[0076] The long-term monitoring system is mainly composed of sensors / converters, commutation acquisition and editing units, integrated controllers, remote monitoring computers and switches, etc. figure 1 A block diagram of the technology application is given.

[0077] The sensor is responsible for converting the temperature, pressure, concentration, flow and other physical quantities of the measured environment into 0-5V analog voltage signals, and outputting them to the acquisition terminal.

[0078] The commutation acquisition and editing unit provides ±15V and +5V power supplies, responsible for the power supply of the sensor, the conversion of the analog voltage output by the acquisition sensor into a digital signal, and receiving the serial data of other field devices, and packaging all the acquired data information into a specific frame format , sent to two integrated controllers with dual redundant serial communication interfaces.

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Abstract

The invention relates to an integrated high-reliability and high-precision long-term monitoring system which comprises the components of two alternate acquiring-and-coding units, two integrated controllers, a switch, two monitoring computers, a plurality of first sensors and a plurality of second sensors. According to the integrated high-reliability and high-precision long-term monitoring system, through improvement and innovation of a traditional data acquisition, coding, transmission and demodulation processing method, based on a serial communication interface and an industrial Ethernet, problems of complicated system equipment structure, low precision and insufficient long-term reliability are settled, and advantages of high reliability, high precision and long-term monitoring are realized. According to the integrated high-reliability and high-precision long-term monitoring system, in an integration aspect, integrated design is performed on key equipment of the system, number of equipment components is reduced and system complexity is reduced; in a transmission real-time performance aspect, data transmission is finished based on a serial bus and the Ethernet, thereby ensuring no performance reduction in actual use caused by transmission delay time; and in a long-term reliability aspect, through utilizing a redundancy design and other reliability design measures on the key equipment, continuous operation time of the product is prolonged.

Description

technical field [0001] The invention relates to an integrated high-reliability and high-precision long-term monitoring system, which belongs to the technical field of monitoring and monitoring and is applied to real-time monitoring and alarming in the industrial field. Background technique [0002] The field bus provides an effective information channel for field-level equipment, environmental information and control management equipment in the production process, and is an important component of the industrial data communication network. There are dozens of commonly used fieldbus standards in the world. According to the characteristics of different application fields, each kind of bus is not suitable for all industrial field applications. However, for the industrial field (such as water conservancy, mine monitoring, etc.) that needs to realize the long-term monitoring of field equipment working conditions and environmental data, configuring a protocol chip supporting indust...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042
CPCG05B19/0428G05B2219/25314
Inventor 王锋李皓伟冯敏洁章思严万端华厉力连彦泽韩洁耿胜男张青学王晓君龙骁王颖王宁李薇李铎王丹关咏梅辛海华李亚群彭雪艳魏双成
Owner BEIJING INST OF ASTRONAUTICAL SYST ENG
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