Simple, high-efficiency and reliable cold-warm air-conditioning water heater

Abstract

The invention relates to a simple, high-efficiency and reliable cold-warm air-conditioning water heater, which comprises a refrigerant loop, a hot-water condensing heat exchanger, a hot-water storing box and a signal acquisition and circuit control system. A scheme I of the invention is characterized in that: an exhaust opening of a compressor is connected with an air inlet of a three-way valve; a first air outlet of the three-way valve is connected with a refrigerant inlet of the hot-water condensing heat exchanger, and a second air outlet is connected and communicated with a first interfaceof a four-way valve and a refrigerant outlet of the hot-water condensing heat exchanger; a second interface, a third interface and a fourth interface of the four-way valve are respectively connected with the upper ports of an outdoor-wind heat exchanger and an indoor-wind heat exchanger and an air inlet of an air-liquid separator, and a capillary is connected in series between the lower ports of the outdoor-wind heat exchanger and the indoor-wind heat exchanger; an air outlet of the air-liquid separator is connected with an air inlet of the compressor; and an electromagnetic guide-valve low-voltage air-outlet pipe of the three-way valve is communicated with an air-sucking pipe of the compressor, and an electromagnetic guide-valve high-voltage air-inlet pipe of the four-way valve is communicated with an exhaust pipe of the compressor. A scheme II of the invention is characterized in that: the hot-water condensing heat exchanger is added between the exhaust opening of the compressor of a refrigerant-circulating loop of a cold and warm air conditioner and an air inlet of the four-way valve, and the electromagnetic guide-valve high-voltage air-inlet pipe of the four-way valve is communicated with the exhaust pipe of the compressor; and the two technical schemes both have four functions of hot-water making and refrigerating, hot-water making, refrigerating and heating.

Description

technical field [0001] The invention relates to the technical fields of refrigeration air conditioners, heat pump water heaters and energy saving. Background technique [0002] Existing heating and cooling air conditioners are only useful in summer and winter, and are generally idle in spring and autumn, resulting in seasonal waste of equipment and funds. The heat pump water heater, which utilizes the condensed heat of the compressed refrigeration cycle of the air conditioner to make hot water, can replace the household electric water heater, which can save 70% of electricity, the energy saving effect is obvious, and the market potential is huge. However, currently commercially available air source heat pump water heaters only have a single function of making hot water, and cannot realize the comprehensive utilization of cold and heat. However, many existing patented technologies involving multifunctional heat pumps are equipped with multiple solenoid valves or multiple fou...

AI Technical Summary

Problems solved by technology

However, currently commercially available air source heat pump water heaters only have a single function of heating water, and cannot realize the comprehensive utilization of cold and heat.

However, many existing patented technologies involving multifunctional heat pumps are equipped with multiple solenoid valves or multiple four-way valves in their refrigeration circuits. He has been engaged in the research of heating, air-conditioning and hot water three-purpose machine for ten years, and has applied for and been authorized a number of related patent technologies, such as: a double-effect four-season energy-saving cooling, heating, air-conditioning and hot water three-purpose machine (patent number: 00264455.x), A four-season energy-saving cooling, heating, air-conditioning and hot water three-purpose machine (patent number: 02116049.X), an air source heat pump water heater with a diversion sleeve heat exchanger water storage tank (patent number: 200510053315.3), and an internal water circulation heat exchange circuit Heat pump hot water unit (patent number: 200610085913.3), etc. still think that there are too many valves in the refrigerant circuit, and the refrigerant is still stored unevenly in different heat exchangers, resulting in too much or too little refrigerant in different cycles In addition, the connection between the hot water condensation heat exchanger, the water storage tank and the refrigeration cycle circuit has always been a difficult point of installation. These reasons have hindered its marketization and prevented the three-purpose machine from being able to play a role in the era of low-carbon economy. works well

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