Le fabricant de Capteur de température à fibre optique, Système de surveillance de la température, Professionnel OEM/ODM Usine, Grossiste, Fournisseur.personnalisé.

Courriel: fjinnonet@gmail.com |

Détection de température distribuée/Fibre optique distribuée/

Système distribué de mesure de la température par fibre optique pour câbles

Modèle:IF-DTS-01

Mesurer la distance:0-30Km (customizable for longer distances)

Nombre de canaux:1-16 (more channels can be customized)

Intervalle d’échantillonnage :1 mètre

Précision de positionnement :± 1℃

Temperature resolution :0.1°C

Single channel measurement time :2s-15s seconds (depending on the length of the temperature sensing optical cable)

Type de fibre :Multimode fiber

Altitude maximale de travail :4000 Mètres

Interface fibre optique :FC/APC

Plage de mesure :-40 ℃~120 ℃ (fibre conventionnelle) -40 °C ~ 250 °C (Fibre spéciale)

Dimensions (W x H x D) :484 x 88 x 454 mm

Interface de communication :RS232、RS485、LAN

Source :AC220V/50Hz

Laser radiation level :1M

  • Détails du produit
  • Solution for Cable Fiber Optic Temperature Measurement System

Product Introduction of Distributed Fiber Optic Cable Temperature Measurement System:

Why do cables need to monitor temperature?

During the operation of power cables, the conductor, insulation layer, and metal shielding layer will be damaged, causing the cable to heat up and increasing the working temperature of each part. Excessive temperature can affect the insulation performance of the insulation material, cause insulation aging, shorten the service life of the cable, and in serious cases, lead to fire and power outage accidents. Based on the principle of Raman scattering effect, Fuzhou Yinuo Technology has developed a technology for installing Fibre optique distribuée temperature measurement in power cables, which can achieve full monitoring of cable temperature. It has the ability to resist electromagnetic interference, continuously measure the temperature points of the fiber optic cable along each point, timely detect local temperature anomalies, analyze insulation problems of the line, and prevent cable fires, ensuring the continuous and safe operation of the cable.

Characteristics of Distributed Fiber Optic Temperature Measurement System

Entièrement distribué: DTS distributed fiber optic temperature measurement can detect the complete distributed temperature along the entire fiber optic line in seconds without any omissions.

Surveillance longue distance: The distributed optical fiber temperature measurement system of optoelectronics can monitor a distance of up to 30KM, and can customize longer distance temperature measurements.

Strong anti-interference: The temperature measuring optical fiber is composed of quartz, isolé électriquement, and is not affected by any electromagnetic interference or emits electromagnetic waves, especially suitable for various complex and strong electrical environments.

Sécurité intrinsèque: L’élément de détection de température est une fibre optique de mesure de température, et la puissance moyenne du signal optique transmis en interne est de l’ordre du microwatt; Sécurité intrinsèque.

Positionnement précis: La précision de positionnement atteint ± 1M.

Réponse rapide: Haute sensibilité, quick response, and short single channel scanning time.

Installation facile: The analyzer is easy to install and has flexible layout.

Application de la surveillance de la température des câbles à fibres optiques distribuées

Function of distributed fiber optic cable temperature measurement system

Alarm functions: constant temperature alarm, regional differential temperature alarm, rapid temperature rise alarm, fiber breakage alarm, device abnormality alarm, etc;

Visual display function: Display the entire process zoning map, temperature distribution curve, and temperature variation curve over time at key monitoring points;

Query function: Query, display, and print historical data; Can directly query device information, operating parameters, statistical information, etc. on the system diagram;

Analysis function: Display historical trends, evaluate future trends, and provide maintenance reference information;

TCP/IP access: Multiple controller signals can be analyzed and processed on a single PC, making the system powerful and efficient;

Multi system networking function: The system adopts network interfaces for data communication and has good compatibility, which can be easily extended to multiple hosts for simultaneous monitoring;


Temperature sensing fiber optic temperature measurement laying scheme

The laying method of temperature sensing optical fibers in cable interlayer and cable body
Temperature monitoring is required for each cable. The cable is fixed using surface mounted (external) optical cables. The laying of optical cables is fixed with optical cable fixing parts (insulation ties) to tightly bond the optical cable with the outer surface of the cable.

Temperature sensing fiber optic laying diagram

Overall scheme design: Based on the actual situation of the cable, a complete fiber optic temperature monitoring system will be constructed for the monitoring cable, achieving real-time monitoring of temperature at various locations of the cable, over limit alarm, and output alarm signals.
Use one distributed fiber optic temperature sensing system to achieve online monitoring and fire alarm of the entire cable.
design scheme
The cable temperature measurement and monitoring system adopts distributed fiber optic fire detectors. Optical cables are laid on the cables, and a temperature sensing detector host is installed in the system management center. The host leads the detection optical cables to the cables. By utilizing a small portion of the diffuse scattered light reflected back along the fiber optic when the temperature changes, the signal of this backscattered light is collected and analyzed in the photoelectric device to provide information about temperature, determine the location of the rapid temperature change, and determine the point of fire occurrence. When the distributed fiber optic temperature sensing host detects a fire anomaly, the fire alarm host immediately displays an alarm.

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