Choke the fire of conveyor belt! How the distributed optical fiber sensor works out?

You can't deny that conveyor belt protection is always vital which is closely related to personnel and assets safe in the mining industry. As an intelligent technology-involved company, Alpha Industrial Intelligence never stops figuring out how to improve the conveyor belt protection capability and make it a reality. Our new innovation, the optical fiber distributed sensor+adaptive fire extinguishing system, has come out and been put into practice. 

The distributed optical fiber temperature measuring system consist of distributed optical fiber thermometer, temperature sensing optical cable, measurement software, and other accessory equipment. The system uses the principles of Raman scattering and optical time domain reflection (OTDR) to obtain the spatial temperature distribution information. When a laser pulse with a certain energy and width is transmitted in the measuring fiber, it produces backscattered light, and its intensity is affected by the temperature of the scattering point of the fiber. After wavelength division multiplexing, detection and modulation, the scattered optical signal enters the signal processing system to extract the temperature information of each position on the measured optical fiber in real time. At the same time, the position of the measured temperature is located by using the propagation speed of the optical wave in the optical fiber and the time interval of the scattered signal, and then combined with the adaptive fire protection system, put out the fire by rapid response identification at the fire point at last.

Non pressure storage perfluorohexanone cooling and fire extinguishing device

Adaptive fire protection device

Non pressure storage perfluorohexanone cooling and fire extinguishing device is a new type of fire extinguishing device for fire protection in small space and specific space. The device adopts integrated, miniaturized design and modular assembly. It can be used in a single set or multiple groups. It has the advantages of small volume, easy installation, high fire extinguishing efficiency, green environmental protection, good insulation and no residue after use.

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Multiple equipment form an automatic fire extinguishing control system: in case of fire, when the smoke and temperature detector in the protection space detects abnormal signals, it sends an alarm electrical signal to the controller through the alarm bus, and the controller receives the fire part. In case of fire, the temperature sensing magnetic power generation device generates pulse current to start the non pressure storage perfluorohexanone fire extinguishing device, At the same time, after outputting the alarm signal from the optical fiber detector through the feedback interface, the alarm will be sent to the outside through the audible and visual alarm; And start the non pressure storage perfluorohexanone temperature reduction source through the corresponding input and output module to inform the outside world of the feedback signal. After spraying, the device feeds back the feedback spraying signal to the automatic fire extinguishing controller through the input and output module.

Through the extension and development of distributed optical fiber, Alpha Industrial Intelligence can predict the temperature change of distribution points in advance by monitoring the change of data, predict the possible danger of points through abnormal changes, and give an alarm, and the system can automatically identify the corresponding treatment scheme according to the intensity level of the alarm.

Contact us:

Mr. Hao Luo

Tel: +86 13408406601

Email: haoluo@alpha-technology.com.au

WeChat: sanmutian

Website: www.alpha-technology.com.au