An examination paper classified storage device for senior high school students

Abstract

The invention provides an examination paper classified storage device for senior high school students, the device comprising two small roller shafts, a big roller shaft, a laser scanning sensor, a pressing device, a 80C 51 single-chip microcomputer and electrical machines. The laser scanning sensor is arranged on the side of a back surface of a middle layer; the end, close to the front surface, of the laser scanning sensor is provided with the pressing device; one end of the pressing device is provided with a motor; the end, close to the back surface, of the laser scanning sensor is provided with the two small roller shafts which are arranged vertically; the big roller shaft is located behind the small roller shafts; the periphery of the big roller shaft is provided with guide grooves in a sleeving manner, which are connected with an upper-layer upper top plate and a lower-layer lower bottom plate; the three roller shafts mesh with transmission gears in a power and control device installing space; the transmission gears are connected with the electrical machines; the ends, close to the front surfaces, of the electrical machines are provided with the 80C 51 single-chip microcomputer which is connected with the electrical machines and the laser scanning sensor via signal lines; the front end of the 80C 51 single-chip microcomputer is provided with a storage battery. The device can effectively save examination paper classifying time for senior high school students and enables examination classifying work to be more convenient, easier and simpler.

Description

Technical field [0001] The invention relates to the technical field of school supplies for high school students, in particular to a test paper classification storage device for high school students. Background technique [0002] At present, Chinese high school students are facing the college entrance examination, and their study pressure is huge. In the daily study, consolidate your basic knowledge and improve your test-taking skills by brushing the questions. Therefore, the school will distribute a large number of test papers, and students will practice more by themselves and purchase a large number of test papers. Therefore, high school students are faced with the problem of sorting, sorting and storing a large number of test papers. The sorting of test papers wastes time and energy, which is not conducive to high school students to concentrate on studying. The existing test paper storage devices on the market are very simple and can only store test papers and have no classif...

AI Technical Summary

Problems solved by technology

Some students have to organize a large number of test papers in a period of time, which is not only boring, but also easy to mess up and damage the test papers

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