GDK-3-DS80P1光电开关/GDK3DS80P1_华东仪表网|上海双旭电子有限公司

GDK-3-DS80P1光电开关是一款采用红外线漫反射原理的非接触式检测装置，专为工业自动化场景设计。该产品通过发射红外光束并接收反射信号实现物体检测，具有体积小巧、安装简便、检测稳定的特点。其核心部件采用优质电子元件，确保在粉尘、纤维等复杂工业环境中保持可靠运行。5 6

技术特点

该光电开关采用DC10-30V宽电压供电，内置NPN型晶体管输出结构（常开式），检测距离可达80厘米。产品具备抗干扰设计，能适应不同颜色和材质的物体检测，包括金属、塑料、木材等。特殊的光学透镜设计使检测区域集中，避免误触发。内部电路具有短路保护和反向极性保护功能，确保设备长期稳定工作。3 20

工作原理

作为光电接近开关，GDK-3-DS80P1通过将输入电流转换为红外光信号发射，接收器根据物体反射的光线强度变化进行探测。产品采用同步回路选通技术，仅对特定频率的光信号作出响应，有效避免环境光干扰。其非接触式检测方式避免了机械磨损，适用于高速流水线检测场景。2 14

应用领域

该产品广泛应用于纺织机械的断纱检测、包装设备的物料计数、自动门的位置感应等场景。在生产线输送带系统中，可用于定位产品或检测缺件；在仓储物流领域，可实现托盘和货物的自动识别。产品对透明薄膜、液体容器等特殊对象也具备良好的检测能力。1 15

Product Introduction (English)

The GDK-3-DS80P1 photoelectric switch is an infrared diffuse reflection sensor designed for industrial automation applications. This compact device operates on 10-30VDC power supply and features NPN normally-open output with 80cm sensing range. Its innovative optical system ensures reliable detection of various objects including metallic and non-metallic materials under challenging environmental conditions.5 6

Key Features

With robust housing and vibration-resistant construction, this sensor maintains stable performance in dusty or humid environments. The built-in potentiometer allows sensitivity adjustment for different surface reflectivity. Its pulse modulation technology provides immunity to ambient light interference while the red LED indicator simplifies operational status monitoring. The product s versatile mounting options facilitate integration into diverse mechanical structures.3 21

Operation Principle

The sensor emits modulated infrared beam and detects the intensity of reflected light from target objects. When the received signal exceeds preset threshold, the transistor output changes state. This contactless detection method eliminates mechanical wear and enables high-speed response up to thousands of operations per minute. The synchronous demodulation circuit effectively filters out interference from other light sources.2 14

Typical Applications

Ideal for production line automation, this photoelectric switch performs object presence detection in packaging machinery, textile equipment and material handling systems. It serves as reliable solution for liquid level control, part counting on conveyor belts, and position verification in assembly processes. The sensor s consistent performance makes it suitable for long-term operation in manufacturing facilities.1 15