Detection system employing laser ranging to acquire width and height of object

Abstract

The invention discloses a detection system employing laser ranging to acquire width and height of an object. The detection system comprises a micro-controller module, a laser ranging module and a display unit. The laser ranging module and the display unit are connected with the micro-controller module. The laser ranging module comprises a laser transmitter, a laser receiver, an angle sensor, a first motor and a second motor. The first motor is used for controlling the laser transmitter and the laser receiver to move vertically. The second motor is used for controlling the laser transmitter and the laser receiver to move laterally. The angle sensor is used for calculating effective angles of the laser transmitter during moving laterally. According to the effective angles, generated during vertical and lateral movements of the laser transmitter and the laser receiver, and effective light distance, the width and height of the object are calculated by the micro-controller module and displayed in the display unit.

Description

technical field [0001] The invention relates to an infrared laser ranging system, in particular to a detection system for obtaining the width and height of an object through laser ranging, and belongs to the field of laser ranging. Background technique [0002] Generally, a concept has been formed in people's consciousness, that is, vernier calipers and micrometers are generally used for precision measurement, and three coordinates are used for precise measurement; if the product is about one meter or more than one meter, people generally use meter ruler or steel ruler; these The measurement method can only measure small products, or the measurement results of large products are inaccurate; measuring tools such as meter rulers, steel rulers, vernier calipers and micrometers can only measure one value at a time at the same time, and cannot display two sets of data at the same time (width , high), in addition, the accuracy of measurement depends largely on human methods, the e...

AI Technical Summary

Problems solved by technology

[0005] Another example is a vehicle width and height detector with the application number "201320697489.3". A bracket is installed on the left side of the gantry, and the bracket is connected to a computer. One end of the computer is connected to a data acquisition card, and the other end of the computer is connected to a printer. , the beam is connected to the fiber optic transmitter, the fiber optic transmitter is installed with an LD light source, the horizontal spectral absorption sheet is connected to the ground, the front sensor is installed on the front side of the horizontal spectral absorption sheet, the rear sensor is installed on the rear side of the horizontal spectral absorption sheet, and the gantry spectral absorption sheet is embedded Installed on the inner side of the gantry; the utility model has a simple structure, can realize accurate and automatic measurement of the width and height of the car without manual labor, and the detector is automatically turned on when the car passes by, and the detector is automatically turned off when the car leaves, saving energy. Energy; the vehicle width and height detector is equipped with a printer, which can make statistics on the data of passing vehicles and print out written information, and can also print the information of a single vehicle, but the cost is high and the measurement accuracy and method need to be further improved

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