Compensation type dual-source heat pump cold and hot water unit
A cold and hot water unit, dual-source heat pump technology, applied in the direction of heating and cooling combination, refrigerator, refrigeration components, etc., can solve the problems of long heating time, ground source heat imbalance, short cooling time, etc., and achieve long service life , energy saving, full-featured effect
Inactive Publication Date: 2016-01-20
GUANGDONG SHENLING ENVIRONMENT SYST CO LTD +1
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Problems solved by technology
[0006] In view of this, the purpose of the present invention is to overcome the deficiencies of the prior art and provide a compensating dual-source heat pump chiller and hot water unit, which solves the imbalance of ground-source heat caused by the long heating time and short cooling time of traditional ground-source heat pump air conditioners The problem
Method used
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Embodiment 1
[0038] Such as figure 1 As shown, a compensation type dual-source heat pump chiller and hot water unit includes a refrigeration system, a ventilation system and a compensation water source system. The refrigeration system includes a water source heat exchanger 14, an air-cooled heat exchanger 17, and a side water heat exchange The refrigerant circulation loop composed of the device 118, the compressor 11 and the four-way valve 12 is specifically:
[0039] The exhaust port of the compressor 11 is connected to the first interface of the four-way valve 12, the second interface of the four-way valve 12 is connected to the first refrigerant inlet and outlet of the water source heat exchanger 14, and the second refrigerant inlet and outlet of the water source heat exchanger 14 passes through the water source The heat exchanger expansion valve 16 is connected to the first refrigerant inlet and outlet of the air-cooled heat exchanger 17, and the water source heat exchanger expansion v...
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The invention discloses a compensation type dual-source heat pump cold and hot water unit which comprises a refrigerating system, a ventilating system and a compensation type water source system, wherein the refrigerating system comprises a refrigerant circulating loop composed of a water source heat exchanger, an air cooling heat exchanger, an application side water heat exchanger, a compressor and a four-way valve; the compensation type water source system comprises a heat source side secondary refrigerant circulating loop; the heat source side secondary refrigerant circulating loop is formed by sequentially connecting a compensating surface air cooler, a water source heat exchanger, an underearth heat exchanging coil, a water pump, and a compensating surface air cooler electrically operated valve; a compensating surface air cooler bypass electrically operated valve is arranged on the heat source side secondary refrigerant circulating loop. Through the cooperative operation of the refrigerating system, the ventilating system and the compensation type water source system, six modes of the unit namely ground source heating, air source heating, ground source refrigeration, air source refrigeration, defrosting operation and heat compensation operation are realized, so that the defect in the prior art that sufficient heat cannot be stably provided for a long time is effectively overcome.
Description
technical field [0001] The invention relates to the technical field of heat pump air conditioners, in particular to a compensation type dual-source heat pump cold and hot water unit. Background technique [0002] At present, there are common ground source heat pump cold and hot water units, which use ground sources to provide cold and heat sources for cooling and heating operations of cold and hot water units, and provide cold or hot water for air conditioning. [0003] Generally speaking, the ground source heat pump unit mainly consists of a compressor, a condenser, an evaporator, an expansion valve, and a four-way valve to form a circulation loop. In the cooling state, the high-pressure refrigerant vapor discharged from the compressor flows into the condenser through the four-way valve, the refrigerant vapor is condensed into liquid, enters the evaporator through the expansion valve, and absorbs heat in the evaporator, and the water in the cooling room evaporates. The fin...
Claims
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IPC IPC(8): F25B29/00F25B41/04F25B49/02F25B41/20
Inventor 林创辉何卫国彭雨吴高峰吴东华李泳锋
Owner GUANGDONG SHENLING ENVIRONMENT SYST CO LTD