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An air conditioner and an air conditioner defrosting method

A technology for air conditioning and refrigerants, applied in heating methods, refrigeration and liquefaction, space heating and ventilation, etc., can solve problems such as the impact of user comfort, and achieve the effect of improving user experience

Active Publication Date: 2022-03-11
QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides an air conditioner to solve the technical problem in the prior art that defrosting will affect the user's comfort when the user is indoors, including:

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  • An air conditioner and an air conditioner defrosting method

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Embodiment Construction

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0050] In the description of this application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implying Refe...

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Abstract

The invention discloses an air conditioner and an air conditioner defrosting method, which are applied to an air conditioner including a refrigerant circulation loop, a compressor, an outdoor heat exchanger, an indoor heat exchanger, a four-way valve, and a controller. The controller is configured as: Determine the next defrosting time based on the previous defrosting cycle; after meeting the preset defrosting conditions, when the current time is greater than or equal to the difference between the next defrosting time and the first preset time and less than or equal to the next defrosting time When the sum of the defrosting time and the second preset time is determined, based on the indoor user information, it is determined whether to perform the defrosting operation; wherein, the last defrosting cycle is the time from when the air conditioner starts heating to when defrosting starts; the indoor The user information includes whether there are people in the room or no one in the room. Through the above-mentioned air conditioner and the defrosting method for the air conditioner, the defrosting process can be controlled according to the state of the people in the room, and user experience can be improved.

Description

technical field [0001] The present application relates to the technical field of air conditioners, and more specifically, to an air conditioner and an air conditioner defrosting method. Background technique [0002] As refrigeration or heating equipment, air conditioners have become a part of people's lives, improving the comfort of people's lives. However, the operation of the air conditioner needs to consume more electric energy. When the air conditioner is in heating operation for a long time, frosting will occur on the heat exchanger of the external unit, which seriously affects the heat exchange efficiency of the heat exchanger of the external unit, thereby seriously affecting the The heating effect of the air conditioner wastes a lot of electricity virtually. In order to remove the frost generated on the heat exchanger of the external unit when the air conditioner is heating, the heat exchanger of the external unit often starts to defrost when certain conditions are m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/42F24F11/61F24F11/64F25B13/00F24F120/10
CPCF24F11/42F24F11/61F24F11/64F25B13/00F24F2120/10
Inventor 孙铁军曹法立陈强刘清明
Owner QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
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