Cabinet air conditioner and control method thereof
An air conditioner and cabinet-type technology, which is applied in air-conditioning systems, heating and ventilation control systems, heating methods, etc., can solve the problems of high exhaust temperature of R32, large safety risks, and small cooling capacity, so as to reduce the amount of refrigerant and improve Safety and the effect of reducing the risk of burning
An air conditioner and cabinet-type technology, which is applied in air-conditioning systems, heating and ventilation control systems, heating methods, etc., can solve the problems of high exhaust temperature of R32, large safety risks, and small cooling capacity, so as to reduce the amount of refrigerant and improve Safety and the effect of reducing the risk of burning
CN104501302AActive Publication Date: 2015-04-08HUAZHONG UNIV OF SCI & TECH
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[0016] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0017] Hereinafter, the present invention will be further described in detail by taking a system that can realize cooling and cooling as well as heat pump heating, and uses a mixed refrigerant of R32 and R290 as an example. Such as figure 1 As shown, a kind of cabinet type air conditioner provided by the present invention comprises refrigeration compressor 1, outdoor heat exchanger 3, outdoor fan 10, indoor heat exchanger 8 and indoor fan 11; Outdoor heat exchanger 3 ex...
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Abstract
The invention discloses a cabinet air conditioner and a control method thereof. A mixed refrigerant R32 / R290 with a small global warming potential (GWP) value is used by the cabinet air conditioner, and an electromagnetic valve is positioned in an indoor unit and is tightly connected with an indoor heat exchanger used for heat exchange between the refrigerant and indoor air. A small-pipe-diameter heat exchanger or micro-channel heat exchanger can be adopted, the size of the heat exchanger can be reduced effectively, and global warming can be prevented effectively. In a refrigerating circuit, the cabinet air conditioner comprises a refrigerating compressor, a four-way reversing valve, an outdoor heat exchanger used for heat exchange between the refrigerant and an environment medium, a dry filter, a throttle mechanism, the indoor heat exchanger used for heat exchange between the refrigerant and the indoor air, the electromagnetic valve on a connecting pipeline between the outdoor heat exchanger and the indoor heat exchanger, an indoor unit fan and an outdoor unit fan. The filling quantity of the mixed refrigerant is the refrigerating capacity of 60-130g / kW. The cabinet air conditioner has the advantages that combustion danger possibly caused by the filling quantity of the refrigerant is reduced, safety of a refrigerating system is improved, and the cabinet air conditioner is safe and environment friendly.
Description
technical field [0001] The invention relates to a cabinet-type air conditioner, in particular to a cabinet-type air conditioner which uses R32 / R290 mixed refrigerant to replace R22 and R410a in refrigeration, air-conditioning, heat pump and other equipment. Background technique [0002] At present, in small and medium-sized refrigeration, air-conditioning, and heat pump units (such as room air conditioners, unitary air-conditioning units, multi-connected units, etc.), HCFC- 22 is the most widely used refrigerant with the best comprehensive performance as a refrigerant, but HCFC-22 has ODP (Ozone Depletion Potential) value and high GWP (Global Warming Potential) value, which is not friendly to the environment and has been The 19th Conference of the Parties to the Montreal Protocol held in 2007 included substances that were required to be phased out in advance. [0003] For the research on the substitutes of HCFC-22, a lot of research work has been carried out at home and abr...
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Patent Timeline
08 Apr 2015
Publication
CN104501302A
- IPC
- F24F1/00; F24F11/02
- CPC
- F24F1/0003; F24F11/30
- Inventors
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