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Electrical appliance as well as control circuit and method thereof

A technology of electrical control and voltage detection circuits, which is applied in the direction of circuit devices, electrical components, emergency power arrangements, etc., can solve the problems of high standby energy consumption of electrical appliances, and achieve the effects of reducing energy waste, increasing use time, and reducing power consumption

Inactive Publication Date: 2013-04-03
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main purpose of the present invention is to provide an electrical appliance and its control circuit and method to solve the problem of large standby energy consumption of electrical appliances

Method used

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  • Electrical appliance as well as control circuit and method thereof
  • Electrical appliance as well as control circuit and method thereof
  • Electrical appliance as well as control circuit and method thereof

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Embodiment Construction

[0029] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0030] Firstly, the electric appliance provided by this specific embodiment is introduced.

[0031] The electric appliance includes an electric appliance control circuit. After adopting the electric appliance control circuit, the electric appliance uses an auxiliary power supply to supply power to the main chip when the electric appliance is in standby, which can reduce the power consumption of the electric appliance in standby. Wherein, the specific implementation manner of the electrical appliance control circuit is described as follows.

[0032] Next, the electrical appliance control circuit provided in this specific embodiment is introduced.

[0033] figure 1 is a schematic diagram of an...

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Abstract

The invention discloses an electric appliance as well as a control circuit and a control method thereof. The electric appliance control circuit comprises a switching circuit, a main power supply, an auxiliary power supply, a main chip and a power switching circuit, wherein the main power supply is connected with an electric supply through the switching circuit, and used for energizing when the switching circuit is turned on and de-energizing when the switching circuit is turned off; the main chip is connected with the switching circuit, and used for controlling the switching circuit to be turned off when the electric appliance is standby and controlling the switching circuit to be turned on when the electric appliance is started; and the first end of the power switching circuit is connected with the main power supply, the second end of the power switching circuit is connected with the auxiliary power supply, the third end of the power switching circuit is connected with the main chip, and the power switching circuit is used for controlling the auxiliary power supply to supply power to the main chip and disconnecting the main power supply with the main chip when the switching circuit is turned off, and controlling the main power supply to supply power to the main chip when the switching circuit is turned on. Through the invention, the power consumption of the electric appliance in a standby state is reduced to approximate zero watt, thereby curbing the energy waste of the electric appliance in a standby state.

Description

technical field [0001] The present invention relates to the field of electric appliances, in particular, to an electric appliance and its control circuit and method. Background technique [0002] Standby loss has always been a problem that cannot be ignored in electrical appliances. Most of the current air conditioners use power frequency transformers to supply power to the control board. The linear power supply using a power frequency transformer has the characteristics of high reliability and simple circuit, but the linear power supply has low efficiency and large standby power consumption, and the standby loss leads to a lot of energy waste. [0003] Other electrical appliances also have the problem of high energy consumption during standby. [0004] The State Council launched the "Energy Conservation and Emission Reduction, National Action" in 2007. After the "Energy Conservation and Emission Reduction", the winning certification center took the lead in implementing th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/06
CPCY02B70/30Y04S20/20
Inventor 李发顺陈绍林李文灿游剑波周伟
Owner GREE ELECTRIC APPLIANCES INC
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