红外传感器的工作原理基于所有温度高于绝对零度的物体都会发射红外辐射这一物理原理。传感器内部包含一个光电探测器(如热电堆、热释电传感器或光电二极管),该探测器吸收红外辐射并将其转换为电信号。此信号随后被电子电路放大和处理,以提供可测量的输出。不同类型的红外传感器采用不同的检测方法,包括热检测(测量探测器材料中的温度变化)和光子检测(测量半导体材料中光子诱导的电子跃迁)。
诱因 → 失效模式 → 工程缓解
该产品在 CNFX 数据库中的搜索词、别名和技术称呼。
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The field of view varies by model but typically ranges from 15 to 90 degrees, with specific configurations available for different detection requirements in computer and optical applications.
The temperature compensation circuit maintains consistent sensitivity across the operating temperature range by adjusting for thermal drift, ensuring accurate measurements in varying environmental conditions common in industrial settings.
The detector uses semiconductor silicon, germanium, thermopile materials, or pyroelectric crystals depending on the application. These materials are chosen for their specific infrared absorption properties, response characteristics, and suitability for different spectral ranges in electronic and optical systems.
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