Development history of hot water air conditioning
Air-conditioning water heaters use the same working principle as heat pumps, which originated from Carnot's famous thermodynamic principle: "Inverse Carnot Principle" in the early19th century, but this principle was not applied to the industrial field until the first heat pump unit was manufactured in Switzerland in the early 20th century. With the deepening of technical exchanges between China and Europe and the improvement of manufacturing level in China, in recent years, domestic manufacturers have introduced technology and started to manufacture this kind of products, and many cases have been used in high-end villas and luxury residential areas.
Hot water air conditioning integrated machine
At present, there are mainly gas water heaters, electric water heaters and solar water heaters on the market. They use natural gas, electricity and solar energy to produce hot water, but these devices have some shortcomings, such as low comprehensive energy efficiency or being greatly affected by weather factors, and high annual operating costs. In recent years, heat pump water heaters have appeared. Although it improves energy efficiency, its application scope is limited because of the expensive equipment. Based on the principle of heat pump water heater, this technology combines heat pump water heater with air conditioner to make an air conditioner-water heater. By changing the different processes of refrigerant in water heat exchanger, condenser and evaporator, various combined working conditions such as air-conditioning heating, air-conditioning refrigeration and hot water can be realized, and the comprehensive energy utilization can be realized, and the comprehensive energy efficiency can reach more than 400% throughout the year. Air conditioning can be used all year round, and the improved equipment is the utilization rate.
Principle of hot water air conditioning
The compressor compresses the returned low-pressure refrigerant and turns it into high-temperature and high-pressure gas to be discharged. The refrigerant gas with high temperature and high pressure flows through the copper tube wound outside the water tank, and the heat is conducted into the water tank through the copper tube. The cooled refrigerant becomes liquid under the continuous action of pressure and enters the evaporator after passing through the expansion valve. Because of the sudden drop of evaporator pressure, liquid refrigerant quickly evaporates into gas and absorbs a lot of heat. At the same time, under the action of the fan, a large amount of air flows through the outer surface of the evaporator, the energy in the air is absorbed by the evaporator, and the air temperature drops rapidly, turning into cold air and being discharged into the kitchen. Then the refrigerant that has absorbed certain energy flows back to the compressor and enters the next cycle.
Nowadays, the whole world is advocating green environmental protection. Only green environmental protection is the sustainable road, and all newly produced products will develop in the direction of environmental protection. As a product of the new era, hot water air conditioning makes full use of energy recycling, which is not only beneficial to environmental protection, but also makes the energy consumption at home lower and saves costs. The most important thing is to save space. Nowadays, the space utilization rate has reached an unprecedented height at the cost of land and money, and hot water air conditioning can also solve the space problem.
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