Control method and device for air conditioner

A control method and control device technology, which is applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc., and can solve problems such as freezing of air conditioner heat exchangers

Inactive Publication Date: 2017-09-15
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides an air conditioner control method and device, aiming to solve the freezing problem of the air conditioner heat exchanger

Method used

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  • Control method and device for air conditioner
  • Control method and device for air conditioner
  • Control method and device for air conditioner

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Embodiment Construction

[0025] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. Herein, various embodiments may be referred to individually or collectively by the term "invention", which is for convenience only and is not intended to automatically limit the scope of this application if in fact more than one invention is disclosed. A single invention or inventive concept. Herein, relational terms such...

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Abstract

The invention discloses a control method and device for an air conditioner, which belong to the technical field of the air conditioners. The control method comprises determining a frosting condition of an indoor unit when the air conditioner is operated in a refrigeration mode; and when the indoor unit is frosted under the refrigeration mode, controlling and blocking a cold medium pipeline flowing to the indoor unit. The control method for the air conditioner controls and blocks the cold medium pipeline flowing to a heat exchanger having a frosting problem, a low temperature cold medium is stopped from being continuously conveyed into the heat exchanger which has been deforested, the frosting problem is prevented from being further aggravated, and besides, the temperature of an environment where the heat exchanger is can be used to defrost and deice the heat exchanger naturally to realize a freezing protection action on the heat exchanger of the air conditioner.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and device. Background technique [0002] During the operation of the existing air conditioner products, the indoor unit and the outdoor unit of the air conditioner often have freezing problems under different working conditions. For example, when the air conditioner is running in cooling mode in summer, if the set cooling temperature and the actual indoor and outdoor ambient temperatures are too low, and the speed of the indoor fan is low, the temperature of the inner coil will be too low, causing the indoor The heat exchanger will freeze and freeze; or, when the air conditioner operates in the heating mode in winter, when the set heating temperature and the actual indoor and outdoor ambient temperature are low, the temperature of the outer coil itself It will also be too low, causing the outdoor heat exchanger of the outdoor unit to f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
CPCF24F11/43F24F11/84F24F2140/12F24F11/00
Inventor 李海军张强杨青王芳赵峰王彩平
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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