Air conditioner control method and air conditioner

An air conditioner and sensor technology, which is applied in the field of expansion valve control, can solve problems such as large temperature fluctuations, compressor startup and shutdown, and rapid cooling of air conditioners, so as to reduce the frequency of startup and shutdown, improve adjustment speed and accuracy, and improve control accuracy Effect

Active Publication Date: 2020-02-07
NINGBO AUX ELECTRIC
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Problems solved by technology

The target superheat does not change with the change of the indoor temperature, resulting in the following adverse effects: when the indoor ambient temperature is greatly different from the set temperature, the air conditioner cools down slowly; when the indoor ambient temperature is close to the set temperature, the air conditioner cools down too quick

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  • Air conditioner control method and air conditioner
  • Air conditioner control method and air conditioner

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[0054] The implementation mode of the present invention is illustrated by specific specific examples below, and those who are familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this description. Obviously, the described embodiments are a part of the present invention. , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

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Abstract

The invention provides an air conditioner control method and an air conditioner. When the air conditioner is in the refrigeration mode, an inner unit electronic expansion valve is subjected to proportional adjusting according to the target superheat degree of an indoor unit, and the inner unit target superheat degree is changed correspondingly along with changing of the indoor environment temperature, changing of the set temperature and changing of the outdoor temperature. Accordingly, the control precision of the indoor environment temperature is improved, and the starting frequency of a compressor is decreased.

Description

technical field [0001] The invention relates to the field of air conditioning, in particular to a control technology for an expansion valve arranged in a refrigeration device. Background technique [0002] At present, when the air conditioner is cooling, the opening of the electronic expansion valve of the internal unit is adjusted and controlled according to the target superheat. The target superheat is generally a fixed value. When the actual superheat is less than the target superheat, the electronic expansion valve is closed. When the superheat is reached, the electronic expansion valve opens up. The target superheat does not change with the change of the indoor temperature, resulting in the following adverse effects: when the indoor ambient temperature is greatly different from the set temperature, the air conditioner cools down slowly; when the indoor ambient temperature is close to the set temperature, the air conditioner cools down too quickly, causing temperature T...

Claims

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Application Information

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IPC IPC(8): F24F11/30F24F11/64F24F11/84F24F11/86F24F11/88F24F110/10F24F110/12
CPCF24F11/30F24F11/64F24F11/84F24F11/86F24F11/88F24F2110/10F24F2110/12
Inventor 张秋玉黄春刘合心刘潘
Owner NINGBO AUX ELECTRIC
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