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Air conditioner and its electric auxiliary heating control method and system

A control method and control system technology, applied in the field of air conditioners and their electric auxiliary heat control methods and control systems, can solve problems such as neglect of electric auxiliary heat, fire, damage to devices, etc., to achieve protection from high temperature damage, Effect of fire risk reduction

Active Publication Date: 2017-01-25
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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Problems solved by technology

[0004] The object of the present invention is to provide an air conditioner and its electric auxiliary heating control method and control system, so as to solve the problem that the existing technology does not pay attention to the operating status of the indoor fan in the control of the electric auxiliary heating, which is easy to cause when the fan fails or fails. The technical problem that the device is damaged or even caused a fire

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  • Air conditioner and its electric auxiliary heating control method and system
  • Air conditioner and its electric auxiliary heating control method and system

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] A method for controlling the electric auxiliary heat of an air conditioner, comprising the steps of turning on the electric auxiliary heat and turning off the electric auxiliary heat, wherein:

[0027] The steps used to turn on the electric auxiliary heating must meet the following six conditions at the same time: heating mode operation, indoor ambient temperature is lower than the user's set temperature, evaporator temperature is lower than the electric control set temperature, compressor is turned on, non-defrosting conditions and indoor fan Normal operation exceeds the predetermined time ...

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Abstract

The invention belongs to the field of controlling of heating and cooling air conditioners and particularly relates to an air conditioner a control method and system for electric auxiliary heating thereof. According to the air conditioner and the control method and system for electric auxiliary heating thereof, whether or not a fan normally runs is judged by detecting magnitude of detection current It of the fan; if the detection shows that the detection current It is in a normal range, a relay for electric auxiliary heating is controlled to be automatically off; if the detection current It of the fan is zero or meets a locked-rotor state, the relay for electric auxiliary heating is controlled to be automatically off, and intelligent control of electric auxiliary heating is achieved; accordingly, the internal structure, especially a sponge member and a plastic member, of the air conditioner is protected from high temperature damage, and the risk that the air conditioner is on fire is decreased.

Description

technical field [0001] The invention belongs to the control field of heating and cooling air conditioners, and in particular relates to a control method and a control system for an air conditioner and its electric auxiliary heat. Background technique [0002] Today, electric auxiliary heating is widely used in indoor units of heating and cooling air conditioners. For air conditioners where the indoor fan is an AC motor, the traditional electric auxiliary heating control method generally adopts the protection of the electric auxiliary heat self-protector, the evaporator tube temperature sensor, and the indoor ambient temperature detection sensor to realize the opening and closing of the electric auxiliary heating. control. There are also indicators such as monitoring the indoor ambient temperature and the operating frequency of the compressor to intelligently control the opening and closing of the electric auxiliary heat to achieve the purpose of reducing power consumption a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/00
Inventor 程毅左代奇
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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