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Learn how sensors work together

Release time:

Dec 26,2019

According to the working principle of sensors, they can be divided into two categories: physical sensors and chemical sensors: First, the classification of the working principle of sensors Physical sensors use physical effects, such as piezoelectric effects, magnetostrictive phenomena, ionization, polarization, thermoelectric, photoelectric, and magnetoelectric effects. Small changes in the measured signal quantity are converted into electrical signals. Second, chemi

According to the working principle of sensors, they can be divided into two categories: physical sensors and chemical sensors:

First, the classification of the working principle of sensors Physical sensors use physical effects, such as piezoelectric effects, magnetostrictive phenomena, ionization, polarization, thermoelectric, photoelectric, and magnetoelectric effects. Small changes in the measured signal quantity are converted into electrical signals.

Second, chemical sensors include those sensors that have causal relations such as chemical adsorption and electrochemical reactions. Small changes in the measured signal quantity will also be converted into electrical signals.

Laser sensors, which are increasingly favored by industrial control, are developing rapidly. Laser sensors are not only widely used, but more importantly, the use of the high directivity, high monochromaticity, and high brightness of lasers can achieve non-contact long-range measurement. Laser sensors are often used for measuring physical quantities such as length, distance, vibration, speed, and azimuth. They can also be used for flaw detection and monitoring of atmospheric pollutants.

ZLDS10X series laser displacement sensors have a digital integrated structure, high resolution of 0.01%, high linearity of 0.1%, high response of 9.4KHz, IP67 protection level and synchronization. Wide operating temperature range, especially suitable for high precision applications in industrial environments.

The basic principle is optical triangulation:

Semiconductor laser ① Focused on the measured object ⑥ by the lens ②. The reflected light is collected by the lens ③ and projected onto the CMOS array ④; the signal processor ⑤ calculates the position of the light spot on the array ④ by the trigonometric function to obtain the distance from the object.

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