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Control method of air conditioner

A control method and technology for an air conditioner, which are applied in the directions of control input involving air characteristics, space heating and ventilation control input, heating and ventilation control systems, etc. Resolve the effect of icing

Active Publication Date: 2015-09-16
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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  • Control method of air conditioner
  • Control method of air conditioner

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Embodiment Construction

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0024] In the description of 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 pointed d...

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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, and in particular to a control method of an air conditioner. Background technique [0002] In the inverter air conditioner control system in the related technology, the operation mode of the air conditioner is based on the set temperature and the current indoor ambient temperature as the data basis to adjust the compressor frequency. If the indoor ambient temperature is very different from the set temperature, the compressor will run at high frequency. If the indoor ambient temperature is very different from the set temperature, the compressor will run at low frequency. [0003] When the outdoor environment 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 operating according to the existing control mode, which is more likely to cause the indoor unit to freeze and the compressor to return. Liquid and oth...

Claims

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Application Information

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IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/77F24F11/83F24F11/84F24F2110/10F24F2110/12Y02B30/70
Inventor 李文博
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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