An intelligent power saver

Abstract

An intelligent power saver, including a rectification circuit connected to an AC power supply, a detection module for detecting the output voltage and output current of the rectification circuit, and an adjustment circuit connected to the detection module; the detection module includes an output terminal connected to the rectification circuit The current detection resistor connected in series also includes a current detection amplifier, a voltage detection amplifier, a current zero-crossing comparator, a voltage zero-crossing comparator and a logic circuit; the two input ends of the current detection amplifier are respectively connected to the two ends of the current detection resistor terminal, the voltage detection amplifier is a voltage follower whose input terminal is connected to the output terminal of the rectification circuit, and the adjustment circuit controls the current switch of the load circuit according to the output of the logic circuit. By adopting the intelligent power saver of the present invention, the load power supply time window is adjusted by detecting the timing synchronization of current and voltage, thereby reducing power loss.

Description

technical field [0001] The invention belongs to the field of electronic technology and relates to electric appliance energy-saving technology, in particular to an intelligent power saver. Background technique [0002] The power saver adopts high-voltage filtering and energy absorption technology to automatically absorb the energy of the reverse potential of the high-voltage power equipment, and continuously returns it to the load, saving this part of the electric energy that the electrical equipment absorbs from the high-voltage power grid. On the other hand, use the international advanced high-voltage electric parameter optimization technology, sine wave tracking technology and nanotechnology and components to suppress and reduce the inrush current, transient and high-order harmonic generation in the power supply line, purify the power supply, and improve the high-voltage power grid. Excellent power supply quality, greatly reducing line loss and copper loss and iron loss of...

AI Technical Summary

Problems solved by technology

The existing power saver adopts single-chip microcomputer control to adjust the power factor of the three-phase alternating current at the load output end, and adjusts the output according to the load. The circuit structure is complicated, and the program control is difficult to write, which is not suitable for small electrical equipment.

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