Simple numerical control direct current stabilized power supply device

Abstract

The invention discloses a simple numerical control direct current stabilized power supply device, which comprises a rectifying and filtering circuit, a switch adjusting circuit, a voltage sampling circuit, an A / D conversion unit, a single chip microcomputer, a key unit and a display unit. The mains supply output end is connected with the input end of the rectifying and filtering circuit, the output end of the rectifying and filtering circuit is connected with the input end of the switch adjusting circuit, the output end of the switch adjusting circuit is connected with the adjustable direct-current output end and the input end of the voltage sampling circuit, and the output end of the voltage sampling circuit is connected with the input end of the A / D conversion unit. The output end of the A / D conversion unit and the output end of the key unit are connected with the input end of the single-chip microcomputer, and the output end of the single-chip microcomputer is connected with the input end of the display unit and connected with the control end of the switch adjusting circuit through PWM. According to the invention, the problems of unreadable data, unstable voltage and the like of the analog adjustable voltage-stabilized power supply are solved.

Description

technical field [0001] The invention belongs to the field of power supply design, and in particular relates to a simple digitally controlled direct current voltage stabilized power supply device. Background technique [0002] The stabilized power supply is one of the key devices to ensure the stable operation of the numerical control technology. It can ensure the high-efficiency and low-power operation of the system, and has important application value in the production activities of various fields of human beings. [0003] Since the simple DC regulated power supply is a commonly used instrument and equipment, it is also widely used in scientific research and experiments, so its efficiency and reliability also determine the accuracy of experimental data. However, in the prior art, there are problems such as unreadable data and unstable voltage of the analog adjustable regulated power supply. Contents of the invention [0004] In order to solve the problems of unreadable d...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of unreadable data and unstable voltage of the analog adjustable regulated power supply, the present invention provides a simple digitally controlled DC regulated power supply device to improve the controllability of the power supply

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