O fabricante de Sensor de temperatura de fibra óptica, Sistema de monitoramento de temperatura, Profissional OEM/ODM Fábrica, Atacadista, Fornecedor.personalizado.

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Sistema distribuído de monitoramento de segurança perimetral de fibra óptica/Fibra Óptica Distribuída/

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  4. Sistema de detecção acústica distribuída de inteligência de longa distância DAS
Sistema de detecção acústica distribuída de inteligência de longa distância DAS

Sistema de detecção acústica distribuída de inteligência de longa distância DAS

The DAS system only requires one single-mode fiber, with a maximum measurement distance of up to 100 quilômetros, a positioning accuracy of 0.4m-25m (depending on the engineering application scenario), and the ability to detect and locate multiple events simultaneously. It can reproduce the sound wave vibration signal at any one meter position of the fiber optic cable with a frequency accuracy of ± 1HZ, and the maximum measurement frequency reaches 50KHZ. The fiber optic cable is turned into an array of “fiber optic microphone vibration sensors”, and each meter of “fiber optic microphone vibration sensor” can record sound wave vibration in real time and demodulate and restore sound. It can be linked with video cameras. The video camera is equivalent to a person’s “eyes”, and the fiber optic sound wave vibration sensing system is equivalent to a person’s “ears”. Quando “eyes” e “ears” are used together, the accuracy is greatly increased, and security judgments are more accurate.

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The DAS host is the core signal acquisition and processing unit of the DAS system, which can realize the acquisition, processamento, analysis and storage of vibration signals on optical fibers. The DAS host is powered by DC24V with an average power consumption of 10W. It is externally connected to a high-performance AI artificial intelligence industrial computer; With the advantage of high-speed weak signal processing technology, it can achieve scanning frequencies above 50kHz and measure sound and vibration signals up to a maximum frequency of 25kHz, achieving industry-leading technical indicators.

Atualmente, it has been widely used in fields such as underground oil wells, long-distance oil and gas pipelines, overhead power lines, national defense line safety, gas pipeline excavation prevention, communication and power line protection. There have been numerous application cases both domestically and internationally, which have proven that DAS products have unparalleled advantages in certain application fields.

DAS Host Unit Technical Specifications
Parâmetro / Recurso IF-DAS-30KM
Lite Edition		 IF-DAS-50KM
Pro (Upgraded) Edição		 IF-DAS-70KM
Plus+ (Personalizado) Edição
Máx.. Distância de medição 30km/Channel 50km/Channel 70-100km/Channel
AI Computing Model Padrão Upgraded Personalizado
General System Specifications
Tipo de dispositivo Coherent Phase Detection
Fiber Optic Type Core Type: Single-mode fiber 9um/125um
Core Count, Outer Jacket Size & Material Characteristics: Configured based on project application scene.
Canais de Medição Opcional 1/2/4 channels with parallel, real-time synchronous acquisition (Non-optical switch polling method).
Intervalo de amostragem 0.4eu / 1eu / 2eu / 5eu (Configurável)
Precisão de posicionamento 0.4eu – 25eu (Configurável, dependent on project application scene)
Alarm Response Time ≤ 3 segundos
Phase Demodulation Accuracy 0.1 rad (Valor típico)
Acoustic Reproduction Function Disponível
Vibration Demodulation Frequency Accuracy Frequency Precision ±1Hz
Vibration Demodulation Frequency Range 1Hz – 50KHz (Dependent on fiber length)
Onboard Platform No built-in AI demodulation platform; requires external AI intelligent hardware. Please refer to “Typical Configuration of AI Intelligent Software & Hardware Platform”.
Hardware & Environmental Specifications
Tensão operacional DC24V, Average Power Consumption: Aprox.. 10C (affected by distance and channel count).
Interface de comunicação 1 x RJ45 (Gigabit Ethernet) for communication with the AI training platform.
Scanning Frequency Configurable based on fiber length (por exemplo, 30km@3.3kHz, 50km@2kHz, 70km@1.2kHz, 100km@1kHz).
Protocol Support Custom phase transmission protocol for communication with the AI platform.
Fiber Optic Connector E2000 dust-proof self-locking connector, customizable to FC/APC.
Laser Safety Class CLASS 1
Temperatura operacional -10°C a 50 °C
Temperatura de armazenamento -20°C to 70°C
Dimensões (W×D×H) 482.6mm × 328mm × 132.8mm

AI Intelligent Software & Hardware Platform (Configuração Típica)
Componente Especificação
CPU i5-14400 (10 Cores, 16 Threads)
Memory (RAM) DDR4 3200 16GB
Hard Drive 1TB Hard Drive (Recommended R/W speed not less than 300MB/s)
Platform Architecture & Sistema operacional Golang+Vue3 Cross-platform system architecture; Supports Win10, Win11, Linux (por exemplo, Ubuntu 24.04), and other domestic system architectures.
Built-in AI Algorithm Software Platform (Paired with DAS Host) Features self-learning capabilities and AI model training functions. Includes WEB server platform, FFT data processing, coherent demodulation, GIS mapping, AI intelligent scene classification and pre-warning, etc.. Supports data integration with third-party systems via various protocols.
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