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Power-saving device and production method for AC electric appliance

A technology of a power-saving device and a manufacturing method, which is applied to circuit devices, AC network circuits, output power conversion devices, etc., can solve the problems of precious energy waste, low power utilization rate, etc., and can prevent current convex waves and smooth current. , the effect of reducing power loss

Inactive Publication Date: 2010-09-22
王尺
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the prior art, due to the low utilization rate of electric energy by most commonly used AC appliances, the waste of precious energy is caused

Method used

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  • Power-saving device and production method for AC electric appliance
  • Power-saving device and production method for AC electric appliance
  • Power-saving device and production method for AC electric appliance

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Embodiment Construction

[0024] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0025] Traditional electrical appliances (such as electric light sources) use electrical appliances (such as lamp lines) to match the mains power. Due to the limitations of mains power, voltage, frequency and other factors, electrical appliances cannot achieve better conversion efficiency (such as photoelectric conversion, electrothermal conversion, etc.). The present invention uses a switching power supply circuit 1, a high-frequency chopper circuit 2, and according to the physical characteristics of the load consumer 5 itself to match the consumer (or light source), so that it can obtain better conversion efficiency. The switching power supply can not only obtain a relatively small input power from the mains, but also meet the normal operation of the load electrical appliances 5, and meet the requirements of the power grid and the mains for th...

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Abstract

The present invention discloses an energy saving device of the alternating current electric appliance, and the energy saving device comprises the following components: a switching power circuit, a high-frequency chopper circuit, an impedance matching circuit and a mains supply input switch power supply circuit. The output of the switch power circuit is provided to the high-frequency chopper circuit. The output of the high-frequency chopper circuit is electrically connected to the impedance matching circuit, and the high-frequency chopper circuit provides an energy consumption electric power source to the impedance matching circuit which is parallel-connected to the output of the high-frequency chopper circuit. The invention has the beneficial effects as follows: as the high-frequency switching circuit, the high-frequency chopper circuit and the series reactance are adopted for compensating the invention has the advantages of stabilizing the voltage, trimming the phase difference between the current and the voltage, smoothing the current, preventing the current convex wave, eliminating the wastage caused by the hybrid wave, effectively using the wattles current at the condition that the electric appliance is guaranteed to be normal working, increasing the power factor, reducing the watt loss thereby obtaining the effect of energy saving.

Description

technical field [0001] The invention relates to the technical field of energy saving, in particular to a power saving device and a manufacturing method of an AC electrical appliance. Background technique [0002] Sinusoidal alternating current Under ideal conditions, the voltage or current that changes sinusoidally over time is collectively referred to as sinusoidal alternating current. In practical applications, due to the influence of many factors such as power supply and use environment, the AC power actually used by users is not very clean. In the user's electricity circuit, there is a phase difference in the current or voltage, which is customarily called the power angle. , in the user's electricity circuit, the user's electricity [0003] Active power = voltage × current × power factor (COS ), the unit is W, (1) [0004] Electric degree = total active power × time, unit KW.h, (2) [0005] In (1), when the voltage is constant, if COS = 1, then the current is mi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/42
CPCH02J3/00Y02B70/3225Y04S20/222
Inventor 王尺
Owner 王尺
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