ACETECH brand laser ranging sensor principle

Automated control requires precise positioning in many places, data output and PLC processing functions, and more data transmission functions. The application of laser ranging sensors is being pushed to the highest peak. Let us learn from his originals. ~
Principle and application of laser ranging sensor

Advantages of laser ranging sensors:

ACETECH laser ranging sensor LRFS-0300

Core technical indicators

1, laser ranging sensor

2, measuring distance range 0.-300 meters, 300-3000 meters, to use reflectors

3, the entire process accuracy error 2 cm in 100Hz, the maximum display 6 cm

4, laser continuous service life of more than 50,000 hours (5 years)

5, with standard RS232, RS422 communication serial port

6, with digital signal and 4-20MA analog model output. The maximum distance corresponding to the analog signal can be set by itself.

7, laser ranging sensor and Ethernet standard ASC2 code

8, simple and practical communication software to ensure the accuracy and convenience of on-site work

First, the development of transmission time laser distance sensor

The application of laser in the field of detection is very extensive, and the technical content is very rich, and the impact on social production and life is also very obvious. Laser ranging is one of the earliest applications of lasers. This is because the laser has many advantages such as strong directivity, high brightness, and good monochromaticity. Before 1965, the Soviet Union used laser to measure the distance between the Earth and the Moon (380 ́103km) with an error of only 250m. In 1969, when the Americans landed on the moon, they placed mirrors on the lunar surface. They also used lasers to measure the distance between the earth and the moon. The error was only 15 cm.

The basic principle of using laser transmission time to measure distance is to determine the target distance by measuring the time it takes for the laser to travel to and from the target. which is: .

Transmission time Laser ranging is simple in principle and simple in structure, but it was mainly used in military and scientific research, but it is rare in industrial automation. Because laser ranging sensors are too expensive, they are typically in the thousands of dollars. In fact, all industrial users are looking for a sensor that enables precise distance detection over long distances. Because in many cases the proximity of the sensor will be limited by the physical location and production environment, today's transmission time laser ranging sensor will solve the problem for engineers in such situations.

Second, the working principle

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