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Air conditioner defrosting control method and device

A control method and control device technology, applied in the direction of mechanical equipment, etc., can solve the problems of poor heat transfer effect of the external heat exchanger, inability to heat the internal machine, and thicker and thicker frosting layers, so as to prevent the frosting layer The effects of accumulation, prevention of accumulation, and avoiding the risk of pipe explosion

Active Publication Date: 2020-09-04
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in extreme climates, this method will still cause the frost layer to thicken from bottom to top, resulting in poor heat transfer effect of the external heat exchanger and failure of the internal unit to heat

Method used

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  • Air conditioner defrosting control method and device
  • Air conditioner defrosting control method and device
  • Air conditioner defrosting control method and device

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Embodiment Construction

[0046] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. 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.

[0047] The air conditioner defrosting control method and device thereof according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0048] figure 1 It is a flow chart of an air conditioner defrosting control method proposed by an embodiment of the present invention.

[0049] Such as figure 1 As shown, the air-conditioning defrosting control method includes the following steps:

[0050] S101, enter the defrosting mode, and detect the number of consecutive defrosti...

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Abstract

The invention discloses an air-conditioning defrosting control method and its device, wherein the air-conditioning defrosting control method includes: entering the defrosting mode, and detecting the number of continuous defrosting times that reach the maximum frosting time; Defrost times and initial maximum frost time, set the maximum defrost time of this defrost; record the defrost time of this defrost; when the defrost time of this defrost reaches the maximum frost time of this defrost , then update the number of consecutive defrosting times to reach the maximum frosting time; based on the updated number of consecutive defrosting times to reach the maximum frosting time and the initial maximum frosting time, set the maximum frosting time for the next defrosting. The air conditioner defrosting control method and device of the embodiments of the present invention can adaptively adjust and maximize the frosting time without affecting the user's use, prevent the accumulation of frosting layers, and avoid the risk of pipe bursting.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner defrosting control method and device thereof. Background technique [0002] Multi-connected central air conditioners have been widely used in small and medium-sized buildings and some public buildings. With the diversity of working conditions, the individual needs of users are becoming more and more complex, and the requirements for the reliability of multi-connected central air conditioners are also getting higher and higher. During heating work in winter, the surface temperature of the external heat exchanger will reach below zero, and frost may occur. The frost layer will block the air flow, affect the heating capacity of the air conditioner, and lead to poor user experience. In addition, there may be dangerous hidden dangers such as copper tube bursting due to frosting. At present, the air conditioning system has increased the limit of the maximu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/42F24F11/61
CPCF24F11/42F24F11/61
Inventor 李骏姜国明
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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