Method and system for monitoring and diagnosing large scale equipment remotely

A large-scale equipment, remote monitoring technology, applied in the direction of electrical program control, comprehensive factory control, etc., can solve the problems of low communication data transmission rate, low security, poor real-time performance, etc., achieve high encryption and decryption performance, and ensure stability The effect of running and improving the speed of encryption and decryption

Inactive Publication Date: 2012-03-28
HUADIAN HEAVY IND CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] However, in the current remote monitoring and diagnosis mode, the transmission rate of communication data is low, the real-time performance is not good, and the data is easily obtained by illegal Internet users, so the security is not high

Method used

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  • Method and system for monitoring and diagnosing large scale equipment remotely
  • Method and system for monitoring and diagnosing large scale equipment remotely
  • Method and system for monitoring and diagnosing large scale equipment remotely

Examples

Experimental program
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Embodiment Construction

[0028] Embodiments of the present invention: a method for remotely monitoring and diagnosing large-scale equipment, including the following steps: S1, the PLC controller analyzes the collected operating data of large-scale equipment on the engineering site, and transmits the data to Internet;

[0029] S2, the monitoring center platform establishes an information security channel with the PLC controller through the VPN router and the VPN firewall;

[0030] S3, the monitoring center platform analyzes and processes the data transmitted through the information security channel, and monitors and diagnoses large-scale equipment;

[0031] S4, the PLC controller controls the large-scale equipment according to the detection and diagnosis results returned by the monitoring center platform.

[0032] The information security channel encrypts the transmission data and verifies the identity of the user requesting to receive the data.

[0033] Such large equipment includes material handlin...

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Abstract

The invention discloses a method and a system for monitoring and diagnosing large scale equipment remotely. The method comprises the steps as follows: firstly, a PLC (Programmable Logic Controller) analyzes collected running data of the large scale equipment on an engineering site, and transmits the data to an internet by a 3G (the third generation telecommunication) wireless network; secondly, a monitoring center platform builds a safe information channel with the PLC by a VPN (Virtual Private Network) router and a VPN fire bulkhead; thirdly, the monitoring center platform analyzes and processes data passing by the safe information channel, and monitors and diagnoses the large scale equipment; and fourthly, the PLC controls the large scale equipment according to the detection and diagnosis results sent back by the monitoring center platform. The method and the system can enhance the data transmission rate and improves the data transmission safety.

Description

technical field [0001] The invention relates to a method and system for remote monitoring and diagnosis of large equipment, belonging to the field of remote monitoring and diagnosis. Background technique [0002] The monitoring and diagnosis mode of large-scale mechanical equipment (material handling equipment, mechanical engineering equipment, mining equipment, etc.) has experienced a development process from stand-alone monitoring and diagnosis to distributed monitoring and diagnosis, and then to network-based remote monitoring and diagnosis. In recent years, with the rapid development of Internet communication technology and wireless network, people have begun to study and practice remote fault diagnosis methods, among which how to realize the transmission and processing of various field data, remote control, and field device Remote maintenance is a matter of great concern to people. [0003] However, in the current remote monitoring and diagnosis mode, the transmission ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
Inventor 周铁梁叶阜陈超杨涛任改运李波张起伟梅迎春陈凤香
Owner HUADIAN HEAVY IND CO LTD
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