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A method for controlling low-frequency operation of an air conditioner and an air conditioner

A low-frequency, air-conditioning technology, applied in the control input related to air characteristics, space heating and ventilation control input, space heating and ventilation, etc., can solve the problem of high minimum operating frequency, inaccurate temperature control, low-frequency operation, etc. problem, to achieve the effect of improving comfort

Active Publication Date: 2019-09-03
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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Problems solved by technology

[0003] In view of this, in order to solve the problems in the prior art that the minimum operating frequency is high, the temperature control is inaccurate, the low-frequency operation consumes electricity, and the existing control scheme is difficult to meet the needs of users, the purpose of the present invention is to propose a low-frequency air conditioner run control method

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  • A method for controlling low-frequency operation of an air conditioner and an air conditioner
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  • A method for controlling low-frequency operation of an air conditioner and an air conditioner

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[0024] 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. These embodiments of the present invention may be referred to herein, individually or collectively, by the term "invention", which is for convenience only and is not intended to automatically limit the application if in fact more than one invention is disclosed The scope is any individual invention or inventive concept.

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Abstract

The invention provides an air-conditioner low-frequency operation control method and an air-conditioner. The air-conditioner low-frequency operation control method comprises the following steps: monitoring whether the operation condition meets the entry condition of entering the low-frequency operation state, if not, continuously monitoring; if yes, operating at low frequency and monitoring whether the operation condition meets the exit condition of exiting the low-frequency operation state in real time, if not, continuously monitoring; if yes, exiting the low-frequency operation state and repeating the operation of monitoring whether the operation condition meets the entry condition of entering the low-frequency operation state. With adoption of the control method and the air-conditioner provided by the invention, the minimum operating frequency can be lowered to 8 Hz to the maximum, the energy consumption can be reduced, and the user comfort level can be increased.

Description

technical field [0001] The invention belongs to the field of air conditioner control, and in particular relates to an air conditioner low-frequency operation control method and an air conditioner. Background technique [0002] China's domestic household inverter air conditioners have developed from AC inverters to today's mainstream DC inverters. The main principle is to achieve rapid cooling and rapid heating by adjusting the operating frequency of the compressor. In the existing technology, the minimum operating frequency of the air conditioner is around 25Hz, and the cooling capacity is relatively large at low frequency, causing the air conditioning system to start and stop frequently; even when the air conditioner is operating at the lowest operating frequency, the power consumption is relatively high. At the same time, the outdoor fan is in normal operation, further increasing the power consumption; when the compressor of the air conditioning system is in low-frequency ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/32F24F11/64F24F11/65F24F11/88F24F110/10
Inventor 孙龙张立智刘丙磊张飞宁贻江孙川川王建平李鑫李宗攀
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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