Method and device for measuring vehicle size

Abstract

The invention discloses an automobile size measuring method. The automobile size measuring method includes the steps: S01, when a front end surface of a headstock, a back end surface of the headstock,a front end surface of a compartment and a back end surface of the compartment are located at a first preset position, measuring the vertical distance between the first preset position and a second preset position to obtain the length of the headstock and the compartment; and measuring the vertical distance between the side surface of the compartment and the first preset position and the verticaldistance between the side surface of the compartment and a third preset position to obtain the width of the compartment; and S02, obtaining the height of the compartment and a chassis, by measuring the distance between the third preset position and each connecting line among the lower end surface of the compartment and the upper end surface of the compartment and the included angle between each connecting line. The invention also discloses an automobile size measuring apparatus. The automobile size measuring apparatus includes a first range finding sensor, a second range finding sensor and athird range finding sensor, wherein the first range finding sensor, the second range finding sensor and the third range finding sensor coordinate with each other to realize measurement of the automobile size. The automobile size measuring method and apparatus have the advantages of being quick and accurate in measurement.

Description

technical field [0001] The invention mainly relates to the technical field of automobile sampling machines, in particular to a method and device for measuring automobile dimensions. Background technique [0002] During the sampling process of the automobile sampling machine, the vehicle type data information is generally input into the database of the upper computer of the sampling machine in advance. When the vehicle enters the sampling area, the vehicle type information can be queried by entering the license plate number. The vehicle type information includes the length of the car, the width of the car, and the height of the car. , chassis advanced data. The system randomly generates sampling points within the compartment according to the vehicle model information and vehicle parking position for sampling. However, in the actual implementation process, the following two problems will be encountered: [0003] 1. The driver secretly changed the car: because the sampling po...

AI Technical Summary

Problems solved by technology

[0003] 1. The driver secretly changed the car: because the sampling point is generated according to the data entered in the database for the first time, the system cannot know the size of the car after the change, and the system still samples according to the original algorithm, which may cause coal to never be collected in some places, resulting in cheating risks of;

[0004] 2. There are many and complicated cars entering the factory. If the model data of each car is manually measured, it will take too much time and the labor cost will be high

[0006] 1. The test data is inaccurate. The sensor is located on a shaky mobile stand, and there is interference in the test. The data comes from multiple sensors, which is prone to cumulative errors;

[0007] 2. The cost is high, a total of 6 laser sensors, 2 mobile brackets and counting functions are required, and the wiring process is complicated and unsightly;

[0008] 3. The test takes a long time, usually about 60 seconds, which seriously affects the sampling time of a single vehicle and the coal feeding efficiency of the vehicle; there are more actuators, more sensors, more chain actions, and the system is unstable

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