Dual-source heat pump water heater and dual-source heat pump thermal energy cascade utilization hot water all-in-one machine
A technology for dual-source heat pumps and water heaters, applied in heat pumps, refrigerators, fluid heaters, etc., can solve the problems of not considering and solving the impact of waste hot water and dirt in bathing, and not proposing no dual-source heat pumps
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Embodiment 1
[0075]Embodiment 1. The dual-source heat pump water heater in Embodiment 1 of the present invention adopts the first refrigerant circuit system structure, and has two sets of refrigerant circuit systems with three four-way valves and six separate cycles. The water inlet control of the thermal system and the water inlet and drainage control of the water source heat exchange system are common.
[0076] The basic structure and working principle of the dual-source heat pump water heater of embodiment 1, by figure 1 illustrate.
[0077] figure 1 There are two sets of refrigerant circuit systems in the figure 1 The system in the middle right half is taken as an example to illustrate the structure of the refrigerant circuit system and the working principle of the whole machine. The refrigerant system includes: compressor 1, first four-way valve 2, second four-way valve 3, third four-way valve 4, hot water heat exchanger 5, water source heat exchanger 6, air source heat exchange D...
Embodiment 2
[0098] Embodiment 2. The dual-source heat pump water heater in Embodiment 2 of the present invention adopts the second refrigerant circuit system structure, and has two sets of refrigerant circuit systems. The water inlet control of the shared heat exchange system and the water source heat exchange system are shared. The water inlet and drainage control system; the hot water heating system of embodiment 2, the composition of the water source heat exchange system and the throttling device of the refrigeration circuit are all the same as those of embodiment 1.
[0099] The basic structure and working principle of the dual-source heat pump water heater of embodiment 2, by figure 2 illustrate.
[0100] For the structure and connection method of the single four-way valve air source + water source in series with two discrete circulating refrigerant circuit systems in embodiment 2, see figure 2 The right half shows: the exhaust port of compressor 1 is connected to the first port ①...
Embodiment 3
[0106] Embodiment 3. The dual-source heat pump hot water machine in Embodiment 3 of the present invention adopts the third refrigerant circuit system structure, and has two sets of refrigerant circuit systems. The water inlet control of the shared heat exchange system and the water source heat exchange system are shared. The water inlet and drainage control system; the hot water heating system of embodiment 3, the composition of the water source heat exchange system and the throttling device of the refrigeration circuit are all the same as those of embodiment 1.
[0107] The basic structure and working principle of the dual-source heat pump water heater of embodiment 3, by image 3 illustrate.
[0108] Embodiment 3 has two sets of the single four-way valve water source + air source in series with two discrete cycle refrigerant loop systems, see image 3 , the connection method is: the exhaust port of the compressor 1 is connected to the first port ① of the four-way valve 2, a...
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