Microcomputer grid interference suppression device

Abstract

The invention provides a microcomputer grid interference suppression device, which includes an insulating shell, a grid interface installed on the insulating shell, a microcontroller installed in the insulating shell, a conductive shell made of high conductive material, and a variable frequency impedance , matcher and equalizer, the grid interface is connected to the microcontroller, the microcontroller and the input end of the variable frequency impedance are connected through input leads, the output end of the variable frequency impedance is connected to the input end of the matcher, and the input end of the matcher The output terminal is connected with the input terminal of the equalizer, and the output terminal of the equalizer is connected with an output lead, and the output lead is used to be connected to the power supply of the microcomputer. When the above-mentioned microcomputer power grid interference suppression device is working, the variable frequency impedance can identify the interference signal from the power grid, and the matcher and equalizer play a good equalizing role in the wide frequency spectrum, so the application has good suppression performance.

Description

technical field [0001] The invention relates to the field of computer control, in particular to a microcomputer grid interference suppression device. Background technique [0002] At present, when the power grid interference suppression device is used in a microcomputer system, because the power grid interference suppression device adopts a four-terminal network mode, its ability to suppress the parallel double-line interference that occurs during the operation of the microcomputer is poor, thus affecting the stability of the microcomputer system. sex and reliability. Contents of the invention [0003] In view of the defects and various deficiencies of the prior art described above, the technical problem to be solved by the present invention is to provide a microcomputer power grid interference suppression device with good suppression performance. [0004] In order to achieve the above object, the present invention provides a microcomputer grid interference suppression de...

AI Technical Summary

Problems solved by technology

[0002] At present, when the power grid interference suppression device is used in a microcomputer system, because the power grid interference suppression device adopts a four-terminal network mode, its ability to suppress the parallel double-line interference that occurs during the operation of the microcomputer is poor, thus affecting the stability of the microcomputer system. sex and reliability

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