Air energy heat pump system and equipment platform thereof

Abstract

The invention relates to the technical field of green energy conservation, and discloses an air energy heat pump system which comprises a heat pump main machine, a hot water tank, a connecting pipeline and a controller. The hot water tank is connected with the heat pump host; the direction of an air suction opening of the fan and the main air outlet direction of the external heat exchanger are orthogonally arranged or approximately orthogonally arranged, so that an airflow volute chamber between an air outlet of the external heat exchanger and the air suction opening of the fan in the negative pressure cavity is constructed; the compressor cavity and the exhaust cavity are arranged on the outer side of the same side plate of the negative pressure cavity side by side. The equipment platform is used for supporting and installing the air energy heat pump system. According to the intensive air energy heat pump water heater system constructed by the invention, the external heat exchanger is protected at a high level, the defrosting problem of the external heat exchanger is fundamentally solved, and structural coupling, wind path coupling and energy coupling of a heat pump host and a building facade are promoted.

Claims

1. An air energy heat pump system, characterized in that: It includes a heat pump main unit, a hot water tank, a connecting pipeline including a pump valve and a connecting pipe, and a controller; the hot water tank is connected to the heat pump main unit through a heat exchanger and a connecting pipeline; the controller is electrically connected to the heat pump main unit, the hot water tank and the connecting pipeline respectively; The heat pump host comprises a shell, a negative pressure chamber, an exhaust chamber, a compressor chamber, an external heat exchanger, a four-way valve and a fan; The air inlet direction of the fan is orthogonal or nearly orthogonal to the main air outlet direction of the external heat exchanger, so as to construct an air flow vortex chamber between the air outlet of the external heat exchanger and the air inlet of the fan in the negative pressure chamber; The compressor chamber and the exhaust chamber are arranged side by side on the outer side of the same side plate of the negative pressure chamber.

2. The air energy heat pump system according to claim 1, characterized in that: The exhaust port of the exhaust cavity is arranged on the third back plate of the exhaust cavity in a different direction and / or on a different side from the main air inlet of the air inlet cavity of the shell; The air outlet of the fan of the heat pump main unit is directly opposite to the air outlet of the exhaust cavity; the air outlet of the exhaust cavity is a vertical strip-shaped air outlet.

3. The air energy heat pump system according to claim 1, characterized in that: The exhaust outlet of the exhaust chamber is arranged on the second back plate of the exhaust chamber opposite to the air inlet of the exhaust chamber, and a small-area exhaust outlet is arranged; preferably, the small-area exhaust outlet is arranged at the bottom of the second back plate, and the small-area exhaust outlet is a horizontal strip exhaust outlet; preferably, the small-area exhaust outlet is arranged in the middle and upper part of the second back plate, and the small-area exhaust outlet is a rectangular or diamond-shaped exhaust outlet; preferably, the small-area exhaust outlet is arranged in the horizontal middle part of the second back plate, and the small-area exhaust outlet is a vertical strip exhaust outlet.

4. The air energy heat pump system according to claim 1, characterized in that: It also includes an air-conditioning indoor unit, which is connected to the heat pump host through a connecting pipeline.

5. The air energy heat pump system according to any one of claims 1 or 4, characterized in that: It also includes an indoor heating module, which includes a floor radiation module; the indoor heating module is connected to the heat pump host through a connecting pipeline to form an air-conditioning water heater fusion body that provides cooling, heating and hot water.

6. The air energy heat pump system according to claim 1, characterized in that: The connecting pipeline also includes a buffer tank, a circulation pump and a valve; The heat pump host is connected to a buffer box via a circulation pump to achieve heat transfer, and the buffer box is respectively connected to a floor radiation module and / or an air-conditioning indoor unit via a connecting pipe and a circulation pump.

7. The air energy heat pump system according to claim 6, characterized in that: The hot water tank is connected to the pipeline between the heat pump host and the buffer tank through a connecting pipe and a valve.

8. The air energy heat pump system according to claim 1, characterized in that: The heat exchanger is arranged inside the hot water tank and / or on the pipeline connecting the heat pump host and the hot water tank; the heat exchanger includes a sleeve heat exchanger, a shell and tube heat exchanger or a plate heat exchanger.

9. The air energy heat pump system according to claim 1, characterized in that: The heat pump host comprises at least two groups of refrigerant circulation systems arranged in a shell, and the refrigerant circulation systems comprise an external heat exchanger and a compressor; the at least two groups of refrigerant circulation systems share an external heat exchanger air path and a negative pressure chamber.

10. The air energy heat pump system according to claim 1, characterized in that: The fan is a centrifugal fan; preferably, a backward centrifugal fan is adopted; the area of ​​the exhaust surface of the outer periphery of the fan impeller is 2 to 8 times the area of ​​the air intake port of the fan.

11. The air energy heat pump system according to claim 1, characterized in that: The external heat exchanger is arranged in the air inlet cavity of the shell; The external heat exchanger is composed of a metal tube and a fin plate sleeved on the metal tube; a plurality of fin plates parallel to each other and spaced a certain distance apart form a fin group; The metal pipe is a metal pipe for carrying refrigerant and heat exchange, and is selected from any one of copper pipe, aluminum pipe, iron pipe, titanium pipe, stainless steel pipe and alloy pipe; The external heat exchanger includes a copper tube I-shaped finned tube heat exchanger, a copper tube L-shaped finned tube heat exchanger, and a copper tube M-shaped finned tube heat exchanger, a copper tube N-shaped finned tube heat exchanger, and a copper tube V-shaped finned tube heat exchanger formed by combining the copper tube I-shaped finned tube heat exchanger.

12. The air energy heat pump system according to claim 11, characterized in that: The copper tube V-shaped fin tube heat exchanger is an asymmetric V-shaped fin tube heat exchanger with unequal lengths on both sides, and comprises two copper tube I-shaped fin tube heat exchangers with different lengths; Among them, the long copper tube I-shaped fin tube heat exchanger is close to the outer side plate of the shell; the short copper tube I-shaped fin tube heat exchanger is close to the side plate of the exhaust cavity.

13. The air energy heat pump system according to claim 11, characterized in that: The external heat exchanger is provided with heat exchange tubes in a direction perpendicular to the fin plate; at least two groups of heat exchange tube groups passing through the fin plate are arranged in parallel along the short side of the fin plate; and the heat exchange tubes in the heat exchange tube groups are arranged along the long side of the fin plate.

14. The air energy heat pump system according to claim 13, characterized in that: The heat exchange tube groups are arranged in parallel and connected to the compressors of different refrigerant circulation systems; the fins between the heat exchange tube groups are continuous and complete, and fin thermal bridges are formed in the lateral and vertical directions of the fins; Preferably, the fin plate includes three groups of heat exchange tube groups for air conditioning systems, and the heat exchange tube groups of the air-energy water heater are located between adjacent heat exchange tube groups for air conditioning systems.

15. The air energy heat pump system according to claim 1, characterized in that: The air inlet cavity of the shell is also provided with an air supply slit; the air supply slit is arranged on the outer side plate of the shell close to the long copper tube I-shaped fin tube heat exchanger.

16. The air energy heat pump system according to claim 1, characterized in that: The air inlet and the air guide panel of the fan are wedged into the negative pressure cavity, and part of the space of the compressor cavity is wedged into the negative pressure cavity.

17. The air energy heat pump system according to claim 11, characterized in that: One side of the external heat exchanger is close to the main air inlet, and the metal tube I-type fin tube heat exchanger is arranged in the air inlet cavity of the shell and forms a certain angle α with the main air inlet surface of the air inlet cavity of the shell; preferably, the angle α is 15°-70°.

18. A device platform, characterized in that: The equipment platform is used to support and install the air energy heat pump system described in claims 1-17.

19. The device platform according to claim 18, characterized in that: The equipment platform has a support frame and a mounting groove, and can adjust the position of the air energy heat pump system according to the size and installation requirements of the air energy heat pump system.

20. The device platform according to claim 18, characterized in that: At least one side of the facade of the equipment platform is provided with a vertical strip exhaust port, and the facade is also provided with a main decorative structure; the vertical strip exhaust port of the exhaust cavity faces the vertical strip exhaust port on one side of the facade.

21. The device platform according to claim 20, characterized in that: The vertical strip exhaust vents of the equipment platform include a metal mesh and / or a metal column group; The main decorative structure of the equipment platform includes a metal column group, shutters, and / or a ventilation structure with a garden door, a classical entrance door, a landscape painting shape, and a ventilation structure with narrow strip decorative panels staggered front and back to leave a longitudinal gap between the panels.

22. The device platform according to claim 19, characterized in that: A small rectangular, diamond or vertical strip exhaust port is arranged in the middle or lower middle part of the facade of the equipment platform, and a main decorative structure is also arranged on the facade; the small rectangular, diamond or vertical strip exhaust port on the second back plate of the exhaust cavity faces the small rectangular, diamond or vertical strip exhaust port in the middle or lower middle part of the facade.

23. The device platform according to claim 22, characterized in that: The small-area air outlet arrangement on the facade includes a metal mesh, a metal column group and / or a hollow structure pattern; The main decorative structure includes a metal column group, shutters and / or a ventilation structure with a garden door, a classical entrance door, a landscape painting shape, and a ventilation structure with narrow strip decorative panels staggered front and back to leave a longitudinal gap between the panels.

24. The device platform according to claim 19, characterized in that: A horizontal strip exhaust port is arranged at the bottom of the facade of the equipment platform, and a main decorative structure is also arranged on the facade; the exhaust port on the second back plate of the exhaust cavity faces the horizontal strip exhaust port at the bottom of the facade.

25. The device platform according to claim 24, characterized in that: The horizontal strip exhaust vents on the facade include a metal mesh and / or a metal column group; The main decorative structure includes a metal column group, shutters and / or a ventilation structure with a garden door, a classical entrance door, a landscape painting shape, and a ventilation structure with narrow strip decorative panels staggered front and back to leave a longitudinal gap between the panels.

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