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Air conditioning system and filth blockage determining method thereof

An air-conditioning system, dirty blocking technology, applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc.

Pending Publication Date: 2022-08-09
QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present application provides an air-conditioning system and a method for determining dirty blockage thereof, which are used to solve the problem that frosting is mistakenly diagnosed as dirty blockage of outdoor units during fault diagnosis of the air-conditioning system

Method used

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  • Air conditioning system and filth blockage determining method thereof
  • Air conditioning system and filth blockage determining method thereof
  • Air conditioning system and filth blockage determining method thereof

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Embodiment Construction

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0035] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, ra...

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Abstract

The invention discloses an air conditioning system and a filth blockage determination method thereof, relates to the technical field of air conditioners, and aims to solve the problem that frosting is mistakenly diagnosed as filth blockage of an outdoor unit when the air conditioning system performs fault diagnosis. The filth blockage determination method can comprise the steps that when the air conditioning system is in a heating mode, M detection results within a first duration are obtained, the detection results are used for indicating whether an outdoor unit is blocked or not, and M is an integer larger than 1; n detection results related to the defrosting time are removed from the M detection results, the remaining M-N detection results are reserved, and N is an integer smaller than M and larger than or equal to 0; and if the ratio of the number of the detection results indicating that the air conditioning system is blocked in the M-N detection results to the total number of the M-N detection results is larger than a preset threshold value, it is determined that filth blockage happens to the outdoor unit.

Description

technical field [0001] The present application relates to the technical field of air conditioners, and in particular, to an air conditioner system and a method for determining fouling. Background technique [0002] With the development of economy and society, air conditioners can bring people a better experience, so they are more and more widely used in various places such as entertainment, home and work. [0003] An air conditioning system generally includes an indoor unit and an outdoor unit. Since the outdoor unit is in contact with the external environment for a long time, it is easy to inhale various impurities, such as dust and metal debris. When more impurities are sucked in, it will affect the heat exchange between the indoor unit and the room, resulting in poor cooling or heating effect of the air conditioning system. Therefore, in the related art, the dirty blockage of the air-conditioning system is detected, and the impurities in the outdoor unit are removed in t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/30F24F11/42F24F11/67F24F11/61
CPCF24F11/30F24F11/42F24F11/67F24F11/61Y02B30/70
Inventor 石靖峰孟建军盛凯夏兴祥王兴龙
Owner QINGDAO HISENSE HITACHI AIR CONDITIONING SYST