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AIR SOURCE HEAT PUMP WHICH DOES NOT GENERATE FROST
AIR SOURCE HEAT PUMP WHICH DOES NOT GENERATE FROST
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机译:不会产生结霜的空气源热泵
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摘要
PURPOSE: An air source heat pump is provided to remove frost by heating a refrigerant expanded in a throttling device using cooling water supplied to a condenser.;CONSTITUTION: An air source heat pump comprises a compressor(11), a condenser, a throttling device, an evaporator(19), a refrigerant pipe(25), a cooling water pipe(27), a heat exchanger(21), an outside temperature sensor, an opening and shutting valve(23), a cooling water temperature sensor(35), a mixing pipe(37), and a mixing valve(39). The condenser heat-exchanges a refrigerant compressed by the compressor with cooling water. The heat exchanger heats the refrigerant expanded in the throttling device using the cooling water. The outside temperature sensor measures temperature of outer air supplied to the evaporator. The opening and shutting valve allows the refrigerant to flow into the heat exchanger and the evaporator. The cooling water temperature sensor measures temperature of the cooling water supplied to the cooling water pipe. When the temperature of the cooling water is less than the certain temperature, the mixing valve flows the cooling water through the mixing pipe.;COPYRIGHT KIPO 2010
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