Water tank integrated cooling and heating unit

Abstract

The application relates to a water tank integrated cooling and heating unit, which comprises a tank body; a fan is arranged in the tank body, one side of the fan is a device chamber, and a water storage tank is arranged at the top of the tank body; the device chamber comprises a four-way valve, a compressor, a fin type heat exchanger, a plate type heat exchanger and a gas-liquid separator which are arranged in connection with the four-way valve; a liquid storage tank and a water pump are connected with the plate type heat exchanger; the water pump is communicated with the water storage tank; the water storage tank is provided with a water inlet pipeline which is directly connected with the tail end, and the plate type heat exchanger is directly connected with the tail end through a copper pipe to form a water outlet. The water tank is arranged at the top of the cooling and heating unit, the integration degree is high, the problem of large plane area is solved, the unit is integrally installed at one time when leaving the factory, debugging is not needed, and the unit can be operated after being simply connected with the tail end device, so that the operation is simple, the operation speed is fast, and the labor cost is low.

Description

Technical Field

[0001] This utility model relates to the field of HVAC outdoor units, specifically to a cooling and heating unit with an integrated water tank. Background Technology

[0002] Heating, ventilation, and air conditioning (HVAC) systems are integrated systems that provide heating, ventilation, and air conditioning functions. They are widely used in residential, commercial, and industrial facilities to provide a comfortable indoor environment and suitable air quality. HVAC systems achieve heat exchange through refrigerant circulation, utilizing compressors and heat exchangers to transfer heat and regulate indoor temperature. They also utilize water circulation through underfloor heating to create natural convection with indoor air, maintaining a comfortable temperature and humidity level. Traditional HVAC units consist of a separate unit and a water tank, requiring on-site assembly, increasing costs and time. Furthermore, the large footprint of these units limits installation options. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model integrates the water tank and the heating / cooling unit into one unit, thus solving the problem of difficult on-site installation.

[0004] To achieve the above objectives, this utility model provides the following technical solution: A water tank integrated heating and cooling unit includes a housing; a fan is installed inside the housing, with an equipment room on one side and a water storage tank on the top; the equipment room includes a four-way valve, and a compressor, a finned heat exchanger, a plate heat exchanger, and a gas-liquid separator are connected to the four-way valve; a liquid storage tank and a water pump are connected to the plate heat exchanger; the water pump is connected to the water storage tank; the water storage tank is provided with an inlet pipe directly connected to the end, and the plate heat exchanger is connected directly to the end through a copper pipe forming an outlet.

[0005] Furthermore, an expansion tank is also provided between the water pump and the plate heat exchanger.

[0006] Furthermore, the enclosure also includes an electronic controller.

[0007] Furthermore, an economizer is also installed inside the housing; the economizer is connected to the finned heat exchanger, the compressor, and the liquid storage tank; an electronic expansion valve is connected between the economizer and the finned heat exchanger.

[0008] Furthermore, the gas-liquid separator is connected to the compressor.

[0009] The beneficial effects of this utility model are: the water tank is set on the top of the heating and cooling machine, which has a high degree of integration and solves the problem of large floor space; it is installed as a whole at the factory and does not require debugging. After arriving at the site, it only needs to be simply connected to the terminal equipment to start operation. It is easy to operate, fast to operate, and has low labor costs. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the internal structure of a water tank integrated heating and cooling unit.

[0011] Figure 2 for Figure 1 A structural diagram from another perspective.

[0012] 1. Housing; 2. Fan; 3. Water storage tank; 4. Four-way valve; 5. Compressor; 6. Finned heat exchanger; 7. Plate heat exchanger; 8. Gas-liquid separator; 9. Liquid storage tank; 10. Water pump; 11. Inlet pipe; 12. Outlet; 13. Expansion tank; 14. Electrical controller; 15. Economizer; 16. Electronic expansion valve. Detailed Implementation

[0013] The present invention will be further described in detail below with reference to the embodiments, so that those skilled in the art can implement it based on the description. Example

[0014] A water tank integrated heating and cooling unit includes a housing 1; a fan 2 is installed inside the housing 1, with an equipment room on one side and a water storage tank 3 on the top; the equipment room includes a four-way valve 4, and a compressor 5, a finned heat exchanger 6, a plate heat exchanger 7, and a gas-liquid separator 8 are connected to the four-way valve 4; a liquid storage tank 9 and a water pump 10 are connected to the plate heat exchanger 7; the water pump 10 is connected to the water storage tank 3; the water storage tank 3 is provided with an inlet pipe 11 directly connected to the end, and the plate heat exchanger 7 is directly connected to the end through a copper pipe forming an outlet 12.

[0015] In this embodiment, an expansion tank 13 is also provided between the water pump 10 and the plate heat exchanger 7 to stabilize the system pressure. The housing 1 also includes an electronic controller 14. An economizer 15 is also provided inside the housing 1; the economizer 15 is connected to the finned heat exchanger 6, the compressor 5, and the liquid storage tank 9. An electronic expansion valve 16 is connected between the economizer 15 and the finned heat exchanger 6. The gas-liquid separator 8 is connected to the compressor 5. The economizer 15 enhances the cooling and heating capacity in harsh environments and improves system energy efficiency.

[0016] The working principle of this embodiment is as follows: In refrigeration mode, the finned heat exchanger 6 acts as a condenser. First, the high-temperature, high-pressure gaseous refrigerant discharged from the compressor 5 enters the finned heat exchanger 6 through the four-way valve 4, where it exchanges heat fully with the outside air. Then, the refrigerant is throttled and depressurized by the electronic expansion valve 16 and flows through the liquid receiver 9 into the plate heat exchanger 7. Water from the water tank 3 is pumped into the plate heat exchanger 7 by the water pump 10. Inside the plate heat exchanger 7, the water and refrigerant exchange heat to produce low-temperature chilled water. A water outlet 12 is formed on the back of the plate heat exchanger 7 via copper pipes. The low-temperature chilled water is discharged from the outlet 12 and flows into the terminal equipment. The low-temperature, low-pressure refrigerant then re-enters the four-way valve 4 and returns to the compressor 5 via the gas-liquid separator 8. The water flowing through the equipment flows back into the water tank 3 through the inlet pipe 11, repeating the above process to achieve the refrigeration effect.

[0017] In heating mode, the finned heat exchanger 6 acts as an evaporator. The high-temperature and high-pressure gaseous refrigerant discharged from the compressor 5 flows into the plate heat exchanger 7 and fully exchanges heat with water to produce high-temperature hot water. After heat exchange, the refrigerant enters the electronic expansion valve 16 for throttling and pressure reduction, and then flows into the finned heat exchanger 6 to absorb heat from the air and vaporize. Finally, it flows back to the compressor 5 through the four-way valve 4.

[0018] In the above embodiments, this application integrates the water storage tank 3 into the heating and cooling unit casing. The water inlet pipe 11 of the water storage tank 3 is directly connected to the terminal, and the water outlet 12 is connected to the plate heat exchanger 7 via a copper pipe. The water in the water storage tank 3 is treated by the plate heat exchanger 7 before being used at the terminal. This design offers high integration, solving the problem of large floor space requirements. The entire unit is installed at the factory without the need for debugging; upon arrival at the site, it only requires simple connection to the terminal equipment for immediate operation.

[0019] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details.

Claims

1. A water tank integrated heating and cooling unit, characterized in that, The equipment includes a housing (1); a fan (2) is installed inside the housing (1), one side of which is an equipment room, and a water storage tank (3) is installed on the top; the equipment room includes a four-way valve (4), and a compressor (5), a finned heat exchanger (6), a plate heat exchanger (7), and a gas-liquid separator (8) are connected to the four-way valve (4); a liquid storage tank (9) and a water pump (10) are connected to the plate heat exchanger (7); the water pump (10) is connected to the water storage tank (3); the water storage tank (3) is provided with an inlet pipe (11) directly connected to the end, and the plate heat exchanger (7) is connected to the end through a copper pipe forming an outlet (12).

2. The integrated water tank heating and cooling unit according to claim 1, characterized in that, An expansion tank (13) is also provided between the water pump (10) and the plate heat exchanger (7).

3. The integrated water tank heating and cooling unit according to claim 1, characterized in that, The enclosure (1) also includes an electronic controller (14).

4. The integrated water tank heating and cooling unit according to claim 1, characterized in that, An economizer (15) is also provided inside the housing (1); the economizer (15) is connected to the finned heat exchanger (6), the compressor (5) and the liquid storage tank (9); an electronic expansion valve (16) is connected between the economizer (15) and the finned heat exchanger (6).

5. The integrated water tank heating and cooling unit according to claim 1, characterized in that, The gas-liquid separator (8) is connected to the compressor (5).

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