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One drag multiple air conditioner and its self-cleaning control method

A control method and technology for air conditioners, applied in air conditioning systems, heating and ventilation control systems, refrigerators, etc., can solve the problems of limited refrigerant volume and poor self-cleaning effect, and achieve optimal self-cleaning effect and high degree of peeling and scouring. Effect

Active Publication Date: 2020-12-29
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, the existing one-to-multi-air conditioner has a poor self-cleaning effect due to the limited amount of refrigerant, when multiple indoor units enter the self-cleaning situation at the same time, on the one hand, the present invention Provided is a self-cleaning control method for a one-drag multi-air conditioner, the one-drag multi-air conditioner includes an outdoor unit and an indoor unit, the indoor unit includes a first indoor unit and at least one second indoor unit, the control method include:

Method used

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Embodiment Construction

[0020] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention. For example, although the various steps of the method of the present invention are described in a specific order in the present application, these orders are not limiting, and those skilled in the art can perform the steps in different orders without departing from the basic principles of the present invention. Follow the steps described.

[0021] It should be noted that, in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The terms of the indicated direction or positional relationship are based on the direction or positional relationship shown in th...

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Abstract

The invention relates to the technical field of air conditioning, in particular to a one-driver-multiple air conditioner and a self-cleaning control method thereof. Specifically, the one-to-many air conditioner of the present invention includes an outdoor unit and an indoor unit, and the indoor unit includes a first indoor unit and at least one second indoor unit. The self-cleaning control method of the one-to-many air conditioner of the present invention includes: When all the indoor units of the appliance are in the cooling condition, the first indoor unit is executed in the self-cleaning mode; the electronic expansion valve corresponding to the second indoor unit is closed. The control method of the present invention closes the electronic expansion valve of the second indoor unit to ensure that there is sufficient refrigerant circulating in the pipeline system of the first indoor unit. The peeling and washing effect of dust and dirt is better, and the self-cleaning effect is improved.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a one-driver-multiple air conditioner and a self-cleaning control method thereof. Background technique [0002] During the working process of the air conditioner, the air exchanges heat with the heat exchanger of the indoor unit. Since the air contains dust, the dust in the air will also adhere to the heat exchanger. With the long-term use of the air conditioner, dust will be deposited on the indoor unit. Severe dust accumulation on the heat exchanger will affect the heat exchange effect of the heat exchanger, and will also breed a large number of bacteria, especially when the indoor air flows through the indoor unit, the air will carry dust and bacteria and blow to the indoor space, thereby causing users Health is a threat. In view of this, the air conditioner needs to be cleaned in time, and the air conditioner in the prior art often cleans the indoor unit by running...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F5/00F25B41/06F24F11/84F24F11/41F24F11/64F24F11/77F24F11/86F24F11/65F25B41/34
CPCF24F5/0003F24F11/84F24F11/41F24F11/64F24F11/77F24F11/86F24F11/65F25B41/31Y02B30/70
Inventor 王德平杨文钧王万丽朱豪徐菲菲罗祖春
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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