Integrated air conditioner and high temperature refrigeration control method

Abstract

The invention provides an integrated air conditioner and a high-temperature refrigeration control method. The integrated air conditioner comprises an air conditioner main body and an air guiding plate, wherein the air guiding plate is arranged at an air inlet of an indoor heat exchanger of the air conditioner main body and is connected with the air conditioner main body, so that a controller of the air conditioner main body can be used for changing the volume of heat exchange of the air inlet of the indoor heat exchanger through changing the openness of the air guiding plate. According to the technical scheme of the invention, the volume of inlet air of the indoor heat exchanger is controlled through controlling the openness of the air guiding plate so as to control the volume of heat exchange of the indoor heat exchanger, thus, the pressure of a system is effectively controlled, the pressure of a high-pressure side of the system is controlled to be in an allowable pressure range of a compressor, the problems that the system cannot work normally due to the fact that the compressor is shutdown due to too high system heat exchange pressure and the compressor is damaged are avoided, and the user experience is improved.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to an integrated air conditioner and a high temperature refrigeration control method. Background technique [0002] At present, the internal design temperature of the traditional air-conditioning refrigeration greenhouse is 27°C, the outdoor design temperature is 35°C, the indoor use range is 17 to 32°C, and the outdoor use range is 0 to 50°C, ignoring the user's demand for high-temperature refrigeration. Affected by global warming, or in some high-temperature operating areas, air conditioners need to perform high-temperature cooling. When the air conditioner operates under high temperature and overload conditions, it generally increases the outdoor side air volume to make the outdoor heat exchanger more fully exchange heat and reduce the system pressure. [0003] However, the existing window-type air conditioner belongs to the integrated air conditioner, and a motor drive...

AI Technical Summary

Problems solved by technology

[0003] However, the existing window-type air conditioner is an integrated air conditioner, and a motor drives the inner and outer wind wheels to exchange heat, so the inner and outer rotation speeds are the same.

When the system pressure is reduced by increasing the outdoor side air volume, since the inner and outer wind wheels are driven by the same motor, the indoor side air volume also increases, the heat transfer capacity of the indoor heat exchanger increases accordingly, and the return air temperature of the system rises. High, causing the system pressure to increase, causing the pressure on the high pressure side of the system to exceed the allowable pressure range of the compressor, resulting in compressor tripping, the system cannot work normally, and the compressor may be damaged, causing user complaints

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