Automatic gear shifting system of paper chipper

Abstract

The present invention provides an automatic gear shifting system of paper chipper, pertaining to the office equipment field, which resolves the problem that the existing gear shifting system of paper chipper can only switch from low level to high level at one paper chipping process. The automatic gear shifting system of paper chipper is connected to the motor working circuit, which includes an electric power, a motor gear shifting circuit M3 and a control circuit M0 connected to the motor M, wherein, the motor gear shifting circuit M3 is used to regulate the power consumption of the motor M, the electric power supplies for the motor gear shifting circuit M3 and the control circuit M0, a revolution speed sensing circuit M1 for testing the revolution speed of the motor M is connected at thecontrol circuit M0, and the control circuit M0 regulate the power consumption of the motor M through the motor gear shifting circuit M3 based on the tested revolution speed. The present system uses the revolution speed of the motor to judge whether it is needed to regulate the power consumption of the motor, and can at will between the high level and the low level, can intelligently regulate the power consumption of the motor, thereby reaching the object of energy-saving.

Description

technical field [0001] The invention belongs to the technical field of office equipment, and relates to an automatic shifting system of a paper shredder. Background technique [0002] Paper shredders are one of the commonly used office equipment. At present, paper shredders have more and more functions, and consumers have higher and higher requirements for the functions of paper shredders. Consumers are particularly concerned about the power consumption of paper shredders. How to reduce energy consumption is also the goal pursued by paper shredder manufacturers. [0003] The working principle of the paper shredder is relatively simple, but it brings some problems: as we all know, the output power required by the motor when shredding paper is different depending on the number of papers at the paper inlet of the paper shredder. But in the actual paper shredding, the motor is basically maintained at a nearly constant power for shredding. This will easily cause the motor to st...

AI Technical Summary

Problems solved by technology

[0003] The working principle of the paper shredder is relatively simple, but it brings some problems: as we all know, the output power required by the motor when shredding paper is different depending on the number of papers at the paper inlet of the paper shredder.

[0005] Although the above-mentioned patent can switch the output power of the paper shredder from low gear to high gear step by step, in a series of paper shredding processes, the output power of the paper shredder can only be switched from low gear to high gear, and lacks the function of switching from high gear to low gear , so it is still impossible to completely solve the problem of making the motor fully utilized

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