Large Equipment Fiber Grating Sensing Security Online Monitoring System

Overview

The system uses a unique optic signal transmission technology to take advantages of fiber grating sensors and to adopt a wavelength sensing mechanism for distributed online testing of a variety of physical parameters. In combination with mechanical engineering technology, modern network communication technology and information processing technology as well as other advanced technologies, to realize real-time and remote security monitoring for large machineries, and to complete equipment stress analysis, fatigue diagnostic warning, equipment damage and alarm functions. Multiple sensors conduct multi-faceted dynamically real-time and online monitoring for each piece of equipment system. Different information of multiple sensors are effectively integrated to achieve comprehensive judgment of various parameters information. The system satisfies the technical requirements of high precision, large capacity, long distance, distributed, stability and long term of modern large equipments. It improves the overall level of monitoring and warning for equipment system, and provides scientific guidance for ‘pro active maintenance’ of equipment system and main components.

Scope

The system is suitable for large equipments, key equipments, production lines of industrial enterprises.

Specifications

The system can simultaneously measure temperature, dynamic strain, displacement, pressure, tension and vibration of main components of equipment system. The measurement positions and points satisfy the requirements of establishing temperature field, stress field, displacement field and vibration environment of equipment system main components. The main indicators include:

10 and

2.Strain measurement resolution: 1με; Maximum movement strain measurement range: ± 2000με.

3.Temperature sensor measurement range: -100~600℃; Temperature sensor measurement accuracy: ±1℃.

4.Acceleration sensors: Response frequency 5Hz ~ 1KHz; Range 1 ~ 10m/2s.

5.Displacement sensors: Measuring range 0-20mm; Resolution 0.2mm.

6.The maximum measurement frequency of high-speed wavelength demodulation system: 2KHz.

7.Non-contact light transmission of rotary components, solves puzzles of signal acquisition and transmission.

8. The establishment of appropriate expert system and integration system.

Functions

1.Through a graphical interface that displays real time data and operation trend of remote device, to automatically monitor abnormal trend for online warning, and to provide services of preventive alarm, timely fault notification and etc.

2.Establishing apparatus health expert diagnostic system to comprehensively analyze and process of equipment operation data, automatically counting critical equipment operation data, automatically aggregating all kinds of operation reports. Providing timely, accurate, intelligent analysis and management tools for enterprises, and to achieve device management automation and digitization.

3.By using a long period data accumulation and analysis, to provide basis for plant implementing equipment maintenance, and to provide valuable analytical reference opinion and suggestions on equipment maintenance.

4.Switching from passive to active, providing scientific guidance for ‘pro active maintenance’ of equipment system and main components.

Advantages

Fiber grating sensing technology not only has the advantages of nature explosion-proof, anti-corrosion, anti-electromagnetic interference, electrical insulation,  normal fiber sensing technology, wireless transmission and etc. of normal fiber sensing technology, but also has many other comparative advantages:

1.High stability, long life, long term dynamic security monitoring.

2.Be able to produce multiple, even hundreds of, fiber grating points on one optical fiber. By using wavelength division multiplexing technology, achieving long distance multi-parameter distributed measurement.

3.Quick response, high accuracy, high sensitivity, high resolution, high cost performance.

4.Adopting mature optoelectronics, compacted system, easy construction, less potential failure, excellent maintainability, and high reliability.

5.Suitable for long-term monitoring in complex and harsh environment.

6.Multi-parameter, large capacity, high density, optical transmission, suitable for multi-parameter measurement and remote distributed monitoring.

7.High information integration, high relevance, in favor of a comprehensive analysis, determination and warning of system failure.

Company Information

Company Name Wuhan Point Line Technology Co.Ltd.

Telephone Number 086-027-83669811

Fax Number 086-027-83669123

Company Address Wuhan City, Hankou No.155 Qingnian Road Changyuan Building 2903

Website www.dian-xian.com