Heat storage type domestic central air-conditioning, heat supply and water heating three-purpose machine
A technology of central air conditioning and three-purpose machine, which is applied in the direction of refrigerators, compressors, mechanical equipment, etc., can solve the problem of reducing the volume flow of refrigerants, reducing the heating performance of refrigeration and air-conditioning heat pumps, and unstable water inlet and tap water temperature and heat exchange. And other issues
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Embodiment 1
[0040] Embodiment 1, by appending figure 1 , 2 , 3, and 4 are jointly explained; for the system structure of the heat storage type three-purpose machine in Embodiment 1 of the present invention, see figure 1 , including: refrigerant circulation system, heating / air conditioning water circulation system, domestic hot water heat exchanger and control and protection system; figure 1 The structural relationship between the refrigerant circulation system, the heating / air conditioning water circulation system and the domestic hot water heat exchanger is given; the refrigerant circulation system mainly includes a compressor 1, an outdoor air heat exchanger 3, and a four-way valve 2 , throttle valve 4, water heat exchanger 5, pre-stage water heat exchanger 7 of domestic hot water heat exchange heat storage, gas-liquid separator 6; described outdoor air heat exchanger 3 is accompanied by an outdoor fan 3f; The four-way valve 2 has four interfaces and two working states. The first work...
Embodiment 2
[0057] For the heat storage type three-purpose machine of embodiment 2, refer to the attached Figure 5 , and the difference from Example 1 is that the front-stage water heat exchanger and the hot water tank in Example 2 adopt a split self-circulation heat exchange method. The heat storage type three-purpose machine of embodiment 2 is still composed of three major parts: the main engine, the hot water tank 8 and the dual water tank 10, but the front-stage water heat exchanger 7 is directly installed on the body of the main engine, so that the refrigerant circulation system All the components of the host are installed on the main engine, ensuring that the refrigerant system of the main engine can be filled with accurate refrigerant amount in the factory; The lower two ports are connected with the upper and lower self-circulation interfaces of the hot water tank. The functions and control modes of Embodiment 2 are the same as those of Embodiment 1.
Embodiment 3
[0058] For the heat storage type three-purpose machine of embodiment 3, refer to the attached Image 6 , Image 6 It is the system structure of the heat storage type three-purpose machine in Embodiment 3 of the present invention, and it is also a schematic diagram of the refrigerant cycle and water cycle flow in winter mode. The difference between it and Embodiment 1 is that only the refrigerant superheated gas is placed in the hot water tank. The heat pipe does not place domestic hot water heat exchange pipes, and adopts the method of pressing out domestic hot water. Other functions and control modes are the same as in Embodiment 1.
[0059]Because a check valve is installed on the upper interface connecting pipe on the top of the hot water tank, the flow direction points to the hot water tank, and the second gate valve of the circulating water valve of the hot water tank is installed on the lower interface connecting pipe. When the second gate valve is closed, the hot water...
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