330104-00-07-10-01-05 接近式探头 电感式

330104-00-07-10-01-05 接近式探头，也称为接近传感器或接近开关，是一种电子装置，用于检测物体（通常是金属物体）的接近而不需要物理接触。当目标物体进入其检测范围时，接近式探头会输出一个信号，通常是一个开关信号，用于触发其他设备或系统的动作。
接近式探头广泛应用于工业自动化、机器人技术、安全系统、交通控制、医疗设备以及许多其他领域。它们可以用于检测物体的位置、运动、计数、排序、定位等，是实现自动化和智能化控制的关键组件。
接近式探头的工作原理可以基于不同的技术，包括：
电感式：利用电磁感应原理，当金属物体接近探头时，会改变探头周围的磁场，从而引发电信号的变化。
电容式：利用电容原理，当物体接近探头时，会改变探头与物体之间的电容值，导致电路状态变化。
霍尔效应：利用霍尔效应原理，当磁性物体接近探头时，会改变探头内部的磁场，导致输出信号变化。
光电式：利用光电传感器，当物体遮挡或反射光线时，触发开关。
超声波：利用超声波的发射和接收，检测物体的距离和位置。
磁性：利用磁性原理，当磁性物体接近探头时，会引发电信号的变化。

330104-00-07-10-01-05

An proximity probe, also known as an proximity sensor or proximity switch, is an electronic device used to detect the proximity of an object (usually a metal object) without the need for physical contact. When a target object enters its detection range, the proximity probe outputs a signal, usually a switching signal, that is used to trigger the action of other devices or systems.
Proximity probes are widely used in industrial automation, robotics, security systems, traffic control, medical devices, and many other fields. They can be used to detect the position, movement, counting, sorting, positioning, etc., and are key components for automation and intelligent control.
The working principle of the proximity probe can be based on different technologies, including:
Inductive: Using the principle of electromagnetic induction, when the metal object is close to the probe, it will change the magnetic field around the probe, which will cause changes in the electrical signal.
Capacitive: Using the principle of capacitance, when the object is close to the probe, the capacitance value between the probe and the object will be changed, resulting in a change in the circuit state.
Hall effect: Using the Hall effect principle, when a magnetic object approaches the probe, it will change the magnetic field inside the probe, resulting in a change in the output signal.
Photoelectric: The use of photoelectric sensors, when the object blocks or reflects light, trigger the switch.
Ultrasonic: Using the transmission and reception of ultrasonic waves to detect the distance and position of objects.
Magnetism: Using the principle of magnetism, when a magnetic object approaches the probe, it will cause a change in the electrical signal.

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