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Air conditioner control method, control device and air conditioner

A technology of a control method and a control device, which is applied in the fields of air conditioners, air conditioner control methods, and control devices, can solve problems such as affecting the heating energy efficiency ratio of the system, affecting indoor temperature comfort, and poor user comfort experience, so as to improve air conditioning Frosting and defrosting capabilities, ensuring heating comfort, and preventing adverse effects

Pending Publication Date: 2022-01-04
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, the heating operation will stop during defrosting, the indoor unit will stop sending hot air, the indoor temperature will drop significantly, and the difference with the indoor comfort temperature will be large, affecting the comfort of the indoor temperature
On the other hand, in order to reduce the indoor temperature drop caused by the frequent operation of the defrosting process, the existing technology is to switch to the defrosting process after a lot of frosting, often because the frost layer is too thick and it is difficult to completely defrost or it takes a long time to defrost. Frost operation, if the defrosting is not complete, the heat exchange efficiency will be low, which will affect the heating energy efficiency ratio of the system; if the defrosting operation is long-term, the heating demand will be seriously affected, and the user comfort experience will be poor

Method used

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  • Air conditioner control method, control device and air conditioner
  • Air conditioner control method, control device and air conditioner
  • Air conditioner control method, control device and air conditioner

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Embodiment Construction

[0045] 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.

[0046] It should be noted that the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, this technology should be considered The combination of schemes does not exist, nor is it within the scope of protection claimed by the present invention.

[0047] figure 1 A schematic diagram of the system principle of an embodiment of the air conditioner of the present invention is shown.

[0048] Such as figure 1 As shown, the air conditioner in this embodiment is a multi-connected air conditioner with multiple units, including a compressor 11, an outdoor ...

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Abstract

The invention discloses an air conditioner control method, a control device and an air conditioner. The method comprises the steps of: in the heating operation process of the air conditioner, at least when the air conditioner meets a preset frosting condition, starting up a pressure regulating bypass branch; and when the pressure regulating bypass branch is started up, opening a subcooler bypass valve in a refrigerant circulating system, increasing a target high pressure of the system, and controlling a compressor according to the increased target high pressure of the system. The control device comprises corresponding structural units for implementing the control method; and the air conditioner comprises a memory, a processor and a computer program stored in the memory, and the processor executes the computer program to implement the air conditioner control method. By the adoption of the air conditioner control method, the control device and the air conditioner, frosting of an outdoor unit heat exchanger is reduced or eliminated when the heating operation is not stopped, and the operation performance of the air conditioner is improved.

Description

technical field [0001] The invention belongs to the technical field of air treatment, and in particular relates to air conditioner technology, and more specifically relates to an air conditioner control method, a control device and an air conditioner. Background technique [0002] When the air conditioner is running in heating mode, the surface of the outdoor heat exchanger is prone to frost. After frosting, the surface of the heat exchanger is blocked, resulting in a decrease in the heat transfer coefficient, an increase in air flow resistance, and a decrease in the heat transfer efficiency of the outdoor heat exchanger, which in turn affects the comfort of the indoor temperature and reduces the heating energy efficiency ratio of the system. Therefore, the existing air conditioner usually performs defrosting treatment after the outdoor unit is frosted. [0003] At present, most air conditioners use the reverse defrosting method. When it is judged that the air conditioner h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/41F24F11/54F24F11/86F24F11/84F24F120/12
CPCF24F11/41F24F11/54F24F11/86F24F11/84F24F2120/12
Inventor 张铭王海胜李召勇
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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