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Air conditioning system

An air-conditioning system and refrigerant technology, applied to evaporators/condensers, refrigeration components, refrigerators, etc., can solve the problems of complex calculation of refrigerant quality and achieve simple, convenient and accurate calculation

Pending Publication Date: 2021-11-30
QINGDAO HISENSE HITACHI AIR CONDITIONING SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention proposes an air-conditioning system, which solves the problem of complex calculation of the refrigerant quality in the heat exchanger in the prior art

Method used

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Embodiment Construction

[0093] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0094] In describing the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than in...

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Abstract

The invention discloses an air conditioning system. A controller is configured to calculate the average density of a refrigerant in a heat exchanger according to the enthalpy value of the refrigerant in the heat exchanger; the mass of the refrigerant in the heat exchanger is calculated according to the average density of the refrigerant in the heat exchanger and the inner volume of the heat exchanger, and the mass of the refrigerant is simply, conveniently and accurately calculated.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to an air conditioning system. Background technique [0002] The key factor for the stable, reliable and efficient operation of an air conditioning unit is its refrigerant capacity. If the amount of refrigerant in the air conditioner is too small, the energy efficiency of the air conditioner is low and the user experience is poor; Very important. [0003] The refrigerant in the air conditioner is generally distributed in the heat exchanger of the outdoor unit and the indoor unit, the connecting pipe between the outdoor unit and the indoor unit, and the pressure vessel in the outdoor unit (the pressure vessel includes a gas-liquid separator, an oil separator, a compressor, etc.) . Usually, the connecting piping between the outdoor unit and the indoor unit, and the pressure vessel inside the outdoor unit have refrigerant in a single-phase state, and it is relatively easy t...

Claims

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Application Information

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IPC IPC(8): F25B39/00
CPCF25B39/00F25B2500/19
Inventor 颜鹏高永坤孙杨韩飞
Owner QINGDAO HISENSE HITACHI AIR CONDITIONING SYST