Heat exchange device of water source heat pump

Abstract

The utility model discloses a water source heat pump heat exchange device, which relates to the technical field of air conditioners and comprises a concrete floor, a water pump is arranged on the concrete floor through fastening bolts, a water taking well is arranged on the front side of the water pump and connected with a water inlet of the water pump through a water pumping pipe, and a heat exchange device is arranged on the right side of the water pump. The heat exchange device is connected with a water outlet of the water pump through a water inlet pipe, a condenser is arranged in the heat exchange device, a refrigerant flows in the condenser, a circulating pump is arranged above the heat exchange device, and a water outlet pipe is arranged on a right panel of the heat exchange device in a penetrating mode. Well water in the water taking well is conveyed into the heat exchange device through the water pump, heat exchange is conducted between the well water and a refrigerant in the condenser according to the principle that the specific heat capacity of water is larger than that of soil, additional refrigerating and heating equipment is not needed in the mode, and therefore the purposes of environment protection and energy saving are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to a water source heat pump heat exchange device. Background Art

[0002] Water source heat pumps use the relatively constant temperature of shallow groundwater as an energy carrier, and transfer the heat in the building to the groundwater in summer and transfer the heat in the groundwater to the building in winter through a compressor system, thus achieving cooling and heating of the building. Groundwater is only used as a basic "carrier" for energy extraction and storage in the air conditioning system, and the purpose of heating and cooling is achieved with the help of a heat pump system.

[0003] Currently, most buildings rely on traditional air-conditioning systems for cooling and heating, which consumes a lot of energy. Traditional air-conditioning systems also pollute the environment. Therefore, energy-saving and environmentally friendly air-conditioning systems are needed to cool and heat buildings. Utility Model Content

[0004] The purpose of the utility model is to provide a water source heat pump heat exchange device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A water source heat pump heat exchange device, comprising a concrete floor, a water pump is arranged on the concrete floor by fastening bolts, a water intake well is arranged on the front side of the water pump, the water intake well and the water inlet of the water pump are connected by a water pumping pipe, a heat exchange device is arranged on the right side of the water pump, the heat exchange device is connected to the water outlet of the water pump by a water inlet pipe, a condenser is arranged in the heat exchange device, a refrigerant flows in the condenser, a circulating pump is arranged above the heat exchange device, and a water outlet pipe is arranged through the right panel of the heat exchange device;

[0007] A hot and cold air supply device is arranged at the rear side of the heat exchange device, an evaporator is arranged in the hot and cold air supply device, the evaporator feed port is connected to the condenser discharge port through a second pipe, a first pipe is arranged above the second pipe, the evaporator discharge port is connected to the circulating pump feed port through the first pipe, the circulating pump discharge port is connected to the condenser feed port, the front and rear panels of the hot and cold air supply device are both provided with openings, a first filter is installed at the front opening of the hot and cold air supply device, a fan coil is arranged inside the rear opening of the hot and cold air supply device, and a second filter is arranged outside the rear opening of the hot and cold air supply device.

[0008] As a further solution of the utility model: fins are provided on the condenser and the evaporator.

[0009] As a further solution of the utility model: an electromagnetic switch valve is arranged on the water outlet pipe.

[0010] As a further solution of the utility model: the circulating pump is replaced by a compressor, a four-way valve is arranged on the rear side of the compressor, the condenser and the second pipe are connected through the expansion valve, the condenser outlet is connected to the expansion valve feed port, the expansion valve outlet is connected to the evaporator feed port through the second pipe, the evaporator outlet is connected to the four-way valve feed port through the first pipe, and the compressor feed port and outlet are both connected to the four-way valve.

[0011] As a further solution of the utility model: a water pump is arranged on the right side of the heat exchange device, a return well is arranged on the front side of the water pump, the water outlet pipe is connected to the water inlet of the water pump, and a drain pipe is arranged at the water outlet of the water pump.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. Use a water pump to send the well water to the heat exchange device. In summer, the well water and the refrigerant in the condenser exchange heat based on the principle that the specific heat capacity of water is greater than that of soil. The refrigerant is cooled, which is convenient for the next step to cool the environment. In winter, the heat in the well water is exchanged to the refrigerant to achieve the purpose of heating. This method does not require additional cooling and heating equipment, thereby achieving the purpose of environmental protection and energy saving.

[0014] 2. The circulating pump provides power for the refrigerant circulation, and the refrigerant after heat exchange is used to heat or cool the room in different seasons through the fan coil;

[0015] 3. The well water in the heat exchange device is discharged into the return well through a water pump. Meanwhile, the well water is only heat exchanged in the heat exchange device without being polluted, so it can be directly discharged into the return well;

[0016] 4. The four-way valve is used to change the flow direction of the refrigerant in the pipeline when the season changes from winter to summer, so that the hot and cold air supply devices can switch between hot and cold, achieving the purpose of heating in winter and cooling in summer. At the same time, the well water in the heat exchange device forms a cycle. The main change in the groundwater during the circulation process is the water temperature, one of its physical properties, and basically no groundwater resources are consumed, thus achieving the purpose of saving water. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of Example 1 of the utility model.

[0018] Figure 2 It is a side view structural schematic diagram of embodiment 1 of the utility model.

[0019] Figure 3 This is a schematic cross-sectional axial structural diagram of Example 1 of the utility model.

[0020] Figure 4 It is a rear view structural schematic diagram of embodiment 1 of the utility model.

[0021] Figure 5 This is a schematic diagram of the local three-dimensional structure at point A in Example 1 of the utility model.

[0022] Figure 6 This is a schematic diagram of the three-dimensional structure of Example 2 of the utility model.

[0023] Figure 7 This is a schematic cross-sectional axial structural diagram of Example 2 of the utility model.

[0024] Figure 8 This is a schematic diagram of the local three-dimensional structure at point B in Example 2 of the utility model.

[0025] Notes on the accompanying drawings: 1. Water well; 2. Water pump; 3. Concrete floor; 4. Suction pipe; 5. Water inlet pipe; 6. Heat exchange device; 7. Circulation pump; 8. Solenoid switch valve; 9. Water outlet pipe; 10. First pipeline; 11. Second pipeline; 12. Hot and cold air supply device; 13. First filter; 14. Condenser; 15. Fins; 16. Evaporator; 17. Fan coil; 18. Second filter; 19. Compressor; 20. Four-way valve; 21. Drain pipe; 22. Return well; 23. Expansion valve. DETAILED DESCRIPTION

[0026] The following embodiments will be combined with the accompanying drawings to describe the utility model in detail. In the drawings or descriptions, similar or identical parts use the same reference numerals, and in actual applications, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the utility model are only used to illustrate the utility model, and are not used to limit the scope of the utility model. Any obvious modifications or changes made to the utility model do not depart from the spirit and scope of the utility model.

[0027] Example 1

[0028] See also Figures 1 to 5In the embodiment of the utility model, a water source heat pump heat exchange device includes a concrete floor 3, a water pump 2 is arranged on the concrete floor 3 by fastening bolts, a water intake well 1 is arranged on the front side of the water pump 2, the water intake well 1 and the water inlet of the water pump 2 are connected by a pumping pipe 4, a heat exchange device 6 is arranged on the right side of the water pump 2, the heat exchange device 6 is connected to the water outlet of the water pump 2 by a water inlet pipe 5, a condenser 14 is arranged in the heat exchange device 6, a fin 15 is arranged on the condenser 14, a refrigerant flows in the condenser 14, and a heat exchange device 6 is arranged above the heat exchange device 6. There is a circulation pump 7, and a water outlet pipe 9 is provided through the right panel of the heat exchange device 6. The water outlet pipe 9 is provided with an electromagnetic switch valve 8. The well water in the water well 1 is sent to the heat exchange device 6 through the water pump 2. In summer, the well water and the refrigerant in the condenser 14 are heat exchanged based on the principle that the specific heat capacity of water is greater than that of soil, so that the refrigerant is cooled, which is convenient for the next step to cool the environment. In winter, the heat in the well water is exchanged into the refrigerant, thereby achieving the purpose of heating. This method does not require additional refrigeration and heating equipment, thereby achieving the purpose of environmental protection and energy saving.

[0029] A hot and cold air supply device 12 is arranged at the rear side of the heat exchange device 6, an evaporator 16 is arranged in the hot and cold air supply device 12, fins 15 are arranged on the evaporator 16, the feed port of the evaporator 16 is connected with the discharge port of the condenser 14 through the second pipe 11, a first pipe 10 is arranged above the second pipe 11, the discharge port of the evaporator 16 is connected with the feed port of the circulation pump 7 through the first pipe 10, the discharge port of the circulation pump 7 is connected with the feed port of the condenser 14, the front and rear panels of the hot and cold air supply device 12 are both provided with openings, a first filter 13 is installed at the front opening of the hot and cold air supply device 12, a fan coil 17 is arranged inside the rear opening of the hot and cold air supply device 12, and a second filter 18 is arranged outside the rear opening of the hot and cold air supply device 12, the circulation pump 7 provides power for the refrigerant circulation, and the refrigerant after heat exchange is heated or cooled indoors through the fan coil 17 in different seasons.

[0030] Example 2

[0031] See also Figures 6 to 8 On the basis of Example 1, a water pump 2 is arranged on the right side of the heat exchange device 6, a return well 22 is arranged on the front side of the water pump 2, the water outlet pipe 9 is connected to the water inlet of the water pump 2, and a drain pipe 21 is arranged at the water outlet of the water pump 2. The well water in the heat exchange device 6 is discharged into the return well 22 through the water pump 2. At the same time, the well water only exchanges heat in the heat exchange device 6 without being polluted, and thus can be directly discharged into the return well 22.

[0032] The circulating pump 7 is replaced by a compressor 19, and a four-way valve 20 is arranged at the rear side of the compressor 19. The condenser 14 is connected to the second pipeline 11 through the expansion valve 23. The discharge port of the condenser 14 is connected to the feed port of the expansion valve 23. The discharge port of the expansion valve 23 is connected to the feed port of the evaporator 16 through the second pipeline 11. The discharge port of the evaporator 16 is connected to the feed port of the four-way valve 20 through the first pipeline 10. The feed port and the discharge port of the compressor 19 are both connected to the four-way valve 20. The flow direction of the refrigerant in the pipeline is changed by the four-way valve 20 when the season changes from winter to summer, so that the cold and hot air supply device 12 can switch between cold and hot, so as to achieve the purpose of heating in winter and cooling in summer. At the same time, the well water in the heat exchange device 6 forms a cycle. The main change of groundwater in the circulation process is the water temperature, one of its physical properties, and basically no groundwater resources are consumed, so as to achieve the purpose of saving water.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A water source heat pump heat exchange device, comprising a concrete floor (3), It is characterized in that A water pump (2) is arranged on the concrete floor (3) by fastening bolts, a water intake well (1) is arranged on the front side of the water pump (2), the water intake well (1) and the water inlet of the water pump (2) are connected by a water pumping pipe (4), a heat exchange device (6) is arranged on the right side of the water pump (2), the heat exchange device (6) is connected to the water outlet of the water pump (2) by a water inlet pipe (5), a condenser (14) is arranged in the heat exchange device (6), a refrigerant flows in the condenser (14), a circulation pump (7) is arranged above the heat exchange device (6), and a water outlet pipe (9) is arranged through the right panel of the heat exchange device (6); A hot and cold air supply device (12) is arranged at the rear side of the heat exchange device (6), an evaporator (16) is arranged in the hot and cold air supply device (12), the feed port of the evaporator (16) is connected to the discharge port of the condenser (14) through a second pipe (11), a first pipe (10) is arranged above the second pipe (11), the discharge port of the evaporator (16) is connected to the feed port of the circulation pump (7) through the first pipe (10), the discharge port of the circulation pump (7) is connected to the feed port of the condenser (14), the front and rear panels of the hot and cold air supply device (12) are both provided with openings, a first filter (13) is installed at the front opening of the hot and cold air supply device (12), a fan coil (17) is arranged inside the rear opening of the hot and cold air supply device (12), and a second filter (18) is arranged outside the rear opening of the hot and cold air supply device (12).

2. The water source heat pump heat exchange device according to claim 1, It is characterized in that The condenser (14) and the evaporator (16) are provided with fins (15).

3. The water source heat pump heat exchange device according to claim 2, It is characterized in that The water outlet pipe (9) is provided with an electromagnetic switch valve (8).

4. The water source heat pump heat exchange device according to claim 3, It is characterized in that The circulation pump (7) is replaced by a compressor (19), a four-way valve (20) is arranged at the rear side of the compressor (19), the condenser (14) and the second pipeline (11) are connected via an expansion valve (23), the discharge port of the condenser (14) is connected to the feed port of the expansion valve (23), the discharge port of the expansion valve (23) is connected to the feed port of the evaporator (16) via the second pipeline (11), the discharge port of the evaporator (16) is connected to the feed port of the four-way valve (20) via the first pipeline (10), and the feed port and the discharge port of the compressor (19) are both connected to the four-way valve (20).

5. The water source heat pump heat exchange device according to claim 4, It is characterized in that A water pump (2) is arranged on the right side of the heat exchange device (6), a return well (22) is arranged on the front side of the water pump (2), the water outlet pipe (9) is connected to the water inlet of the water pump (2), and a drainage pipe (21) is arranged at the water outlet of the water pump (2).

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