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Method and device for judging completion of refrigerant recovery and air conditioner

A refrigerant recovery and judging device technology, which is applied to control input related to air characteristics, refrigerators, heating methods, etc., can solve problems such as easy misjudgment of pressure detection, and achieve accurate and reliable judgment results

Active Publication Date: 2022-04-19
NINGBO AUX ELECTRIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The problem solved by the invention is that the existing pressure detection method is easy to misjudgment

Method used

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  • Method and device for judging completion of refrigerant recovery and air conditioner
  • Method and device for judging completion of refrigerant recovery and air conditioner
  • Method and device for judging completion of refrigerant recovery and air conditioner

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Embodiment Construction

[0051]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.

[0052] see figure 1 , figure 1 Shown is a flowchart of a method for judging the completion of refrigerant recovery provided by this embodiment. The method for judging the completion of refrigerant recovery judges the completion of refrigerant recovery through multi-condition judgment of multiple parameters before and after refrigerant recovery under different working conditions. The result is more accurate and reliable. The method for judging the completion of refrigerant recovery provided in this embodiment includes the following steps:

[0053] In step S101, the indoor environment temperature is acquired, and a first determination condition and a second determination condition are determined according to the indoor environment temperat...

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Abstract

The invention provides a method, device and air conditioner for judging completion of refrigerant recovery, and relates to the technical field of air conditioners. The judging method includes: acquiring the indoor ambient temperature, and determining the first judging condition and the second judging condition according to the indoor ambient temperature; acquiring the initial weight of the outdoor unit before refrigerant recovery starts, and determining the third judging condition according to the initial weight; acquiring the indoor unit The initial outlet air temperature at the beginning of refrigerant recovery, and the real-time outlet air temperature during refrigerant recovery; when the indoor ambient temperature, initial outlet air temperature, and real-time outlet air temperature meet the first judgment condition, control the indoor unit to reduce Wind speed; when the real-time outlet air temperature before and after the wind speed decreases meets the second judgment condition, obtain the real-time weight of the outdoor unit; when the real-time weight and the initial weight meet the third judgment condition, judge that the refrigerant recovery is completed . The judging method provided by the invention can accurately judge whether the refrigerant is completely recovered.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a method and device for judging completion of refrigerant recovery and an air conditioner. Background technique [0002] When producing air conditioners, the manufacturer will conduct a trial run test on the air conditioner on the production line. After the trial run test is completed, the refrigerant needs to be recycled into the outdoor unit of the air conditioner. At present, the production line mainly uses pressure testing to judge the air conditioner. Whether all the refrigerant in the unit has been recycled to the outdoor unit. [0003] Since there are many kinds of refrigerants on the market, such as R410A, R32, R290, R22, etc., the recovery pressures corresponding to different refrigerants are different, and the pressure detection method is easy to misjudge. Contents of the invention [0004] The problem solved by the invention is that the existing pressure de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/30F24F11/64F24F11/77F24F11/88F25B45/00F25B49/02F24F110/10
CPCF24F11/30F24F11/64F24F11/77F24F11/88F25B45/00F25B49/02F24F2110/10Y02B30/70
Inventor 赖东锋
Owner NINGBO AUX ELECTRIC
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