| The air source heat pump uses air as a heat source,which can give consideration to both winter heating and summer cooling.Especially,as a heat source for heating in winter,it can absorb heat from the outdoor environment and transfer heat to the indoor area by consuming a small amount of electric energy.Compared with traditional heat sources such as coal-fired boiler and gas boiler,it is safer,energy saving and environmental protection.It is more stable than solar heating,and can achieve continuous heat supply.At present,our country advocates the use of electric energy and the use of renewable energy to reduce coal pollution and improve air quality in winter.Inexhaustible air is a renewable natural energy.The air source heat pump air conditioner has a high heating efficiency and a cooling coefficient,which is several times higher than that of direct electric heating.Air source heat pump air conditioning system is the most potential environmental protection product to reduce emissions and reduce fossil fuel usage.The energy consumption of air source heat pump air conditioning system is greatly influenced by outdoor environment.In this paper,the energy consumption of air source heat pump is taken as the research direction.The influence of outdoor temperature and humidity on system energy consumption is analyzed.According to the laboratory load,the design scheme of air source heat pump energy consumption monitoring experiment system is determined,and the experimental system is built.The experimental system consists of a cryogenic air source heat pump cold(heat)water unit and a direct current frequency conversion direct evaporating one split three split air conditioning unit.The system includes two sets of independent air source heat pump air conditioning systems,three terminal forms and three air supply modes.It can test all kinds of outdoor parameters,indoor parameters and the running data of each system at the same time,and record them in the server.This paper records the problems and solutions in the design,construction,construction and commissioning of the experimentalsystem.The experimental system can study the cooling heat and energy consumption of the system under different indoor and outdoor conditions,indoor airflow organization under different working conditions,indoor comfort degree under the influence of different factors,the influence of fog and haze on the indoor environment,and energy consumption of new air ventilator.Through measuring the data of the system operation,the energy consumption of the system is studied from two aspects: outdoor temperature and outdoor humidity.The influence of outdoor temperature and humidity on the energy consumption of air source heat pump air conditioning system is quantitatively analyzed,and the heating energy consumption of two air source heat pump air conditioning systems in winter is compared.The results show that the operation of the two sets of air source heat pump air conditioning system meets the design temperature requirements of comfort air conditioning in office buildings in winter.When the temperature is lower,the humidity is higher,while the system is running COP smaller,at the same time cooling water system energy consumption is slightly lower. |
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