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Air conditioner, control circuit thereof and control method

A technology for controlling circuits and air conditioners, applied in space heating and ventilation, heating and ventilation control systems, heating methods, etc., can solve the problems of wasting electric energy and large power consumption of the main board of the external unit of the air conditioner, and reduce power consumption. , the effect of low standby power consumption

Active Publication Date: 2013-06-19
GREE ELECTRIC APPLIANCES INC
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide an air conditioner and its control circuit and control method to solve the problem of large power consumption and waste of electric energy on the main board of the air conditioner

Method used

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  • Air conditioner, control circuit thereof and control method
  • Air conditioner, control circuit thereof and control method
  • Air conditioner, control circuit thereof and control method

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Embodiment Construction

[0024] 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.

[0025] figure 1 is a functional block diagram of the control circuit of the air conditioner according to the first embodiment of the present invention, as figure 1 As shown, the air conditioner includes: the main board of the internal unit 20; the main board of the external unit 40; the power supply 60 for supplying power to the main board of the external unit, that is, the power supply module of the main board of the external unit, which is externally connected to an external AC power supply; and a control circuit 80.

[0026] Wherein, the control circuit 80 includes: a bus communication circuit 82 ; a bus power stealing circuit 84 and a power control circuit 86 .

[0027] After the air con...

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Abstract

The invention discloses an air conditioner, a control circuit of the air conditioner and a control method. The control circuit of the air conditioner comprises a bus communication circuit and a bus stealing circuit, wherein the bus communication circuit is connected between a main board of an internal machine and a main board of an external machine of the air conditioner for transferring a start-up control command sent by the main board of the internal machine to the main board of the external machine. The bus stealing circuit which is connected with the bus communication circuit for converting differential signals on the bus communication circuit into voltage signals when the bus communication circuit transmits data, wherein the voltage signals are served as start-up voltage of the main board of the external machine, and a power supply control circuit which is connected between the main board of the external machine and the power supply of an outdoor unit for connecting the main board of the external machine and the power supply of the outdoor unit after the main board of the external machine starts up and disconnecting them when the main board of the external machine stands by. According to the air conditioner, the control circuit of the air conditioner and the control method, power consumption for starting the external machine of the air conditioner can be reduced, and the stand-by power consumption of the air conditioner is reduced.

Description

technical field [0001] The invention relates to the field of electrical appliances, in particular to an air conditioner, a control circuit and a control method thereof. Background technique [0002] At present, the indoor and outdoor units of general commercial air conditioners have control boards. In order to control the main board of the outdoor unit in real time to control the load of the outdoor unit, the main board of the outdoor unit is charged under any circumstances, which consumes a lot of energy and consumes a lot of power. , a waste of electric energy, and cannot meet the 1W standby requirement of the export. [0003] Aiming at the problems of high standby power consumption and waste of electric energy in the main board of the air conditioner's external unit in the related art, no effective solution has been proposed yet. Contents of the invention [0004] The main purpose of the present invention is to provide an air conditioner and its control circuit and con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
Inventor 吴学伟赵志刚唐政清刘锦棠王少杰
Owner GREE ELECTRIC APPLIANCES INC
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