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Air conditioner control method

A control method and technology of an air conditioner, applied in control input related to air characteristics, space heating and ventilation control input, heating and ventilation control system, etc., can solve problems such as indoor unit icing and compressor liquid return, and achieve Solve the effect of icing

Active Publication Date: 2018-09-11
GD MIDEA AIR CONDITIONING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, the present invention proposes a control method of an air conditioner, which solves technical problems such as freezing of indoor units and liquid return of compressors in low temperature environments

Method used

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  • Air conditioner control method
  • Air conditioner control method

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Embodiment Construction

[0023] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0024] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or element Must be in a particular ...

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Abstract

The invention discloses a control method of an air conditioner. The control method comprises the following steps: S1, starting the air conditioner and enabling the air conditioner to be in refrigeration operation; S2, detecting the outdoor environmental temperature T1; S3, when T1 is within a set value range, enabling the air conditioner to be in a low-temperature refrigeration mode; S4, regulating the operating frequency of a compressor according to a sub-region to which the T1 belongs, and exiting from the low-temperature refrigeration mode when detecting an exit condition. According to the control method of the air conditioner disclosed by the embodiment of the invention, the technical problems of indoor unit freezing, compressor liquid return and the like under a low-temperature environment are solved.

Description

technical field [0001] The invention relates to the technical field of automatic control, in particular to an air conditioner control method. Background technique [0002] In the frequency conversion air conditioner control system in the related art, the operation mode of the air conditioner uses the set temperature and the current indoor ambient temperature as the data basis to adjust the frequency of the compressor. If the difference between the indoor ambient temperature and the set temperature is large, the compressor will run at high frequency, and if the indoor ambient temperature is slightly different from the set temperature, the compressor will run at low frequency. [0003] And when the outdoor ambient temperature is low, if there is still cooling demand in the room at this time, the air conditioner will be in a higher frequency state when it operates according to the existing control mode, which is more likely to cause the indoor unit to freeze and the compressor ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/64F24F11/65F24F11/86F24F110/22
CPCF24F11/30F24F11/77F24F11/83F24F11/84F24F2110/10F24F2110/12Y02B30/70
Inventor 李文博
Owner GD MIDEA AIR CONDITIONING EQUIP CO LTD
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