Air conditioner heat pump system

Abstract

The utility model relates to an air conditioner heat pump system which comprises a compressor, a water source heat exchanger, a throttling device, an evaporator, a circulating pump, cooling filler, a fan and a water collecting tank. An exhaust port of the compressor is connected with an inlet of the water source heat exchanger through a pipeline; an outlet of the water source heat exchanger is connected with an inlet of the throttling device through a pipeline; an outlet of the throttling device is connected with an inlet of the evaporator through a pipeline; an outlet of the evaporator is connected with an air inlet of the compressor through a pipeline; a water inlet of the circulating pump is connected with a water outlet of the water collecting tank through a pipeline; a water outlet of the circulating pump is connected with a water inlet of the water source heat exchanger through a pipeline; the water source is used for refrigerating and heating, the cost performance and the comprehensive energy efficiency ratio of the air conditioner heat pump system are improved, energy is saved, and carbon emission is reduced.

Description

Technical Field

[0001] The utility model relates to an air-conditioning heat pump system, in particular to an air-conditioning heat pump system that exchanges heat with water and air and is used as a cold and heat source for refrigeration and heating, belonging to the technical field of heating, ventilation and energy conservation. Background Art

[0002] Currently, household air conditioners generally adopt air-cooled finned heat exchange condensers, with relatively low energy efficiency ratios and high manufacturing costs; most current small commercial air conditioners are air-cooled, with relatively low energy efficiency ratios and high manufacturing costs; current small water-cooled commercial air conditioners are commonly used in areas where heating is not required in winter. Although they have relatively high energy efficiency ratios, they are generally split single-cooling types, and the outdoor units are often located at high altitudes outdoors, making installation, maintenance and repair inconvenient, and they cannot be used to produce hot water, so the application scenarios are limited; current household and commercial air-conditioning and heating air conditioners often adopt air-cooled modular types, with relatively low energy efficiency ratios for summer refrigeration and winter heating, and high energy consumption and operating costs; current evaporative condensing air conditioners have relatively high refrigeration coefficients, but relatively low heating energy efficiency ratios. The finned heat exchanger is prone to scaling and corrosion damage under atomized water spraying, and the service life is greatly reduced; current dual cold-source air-conditioning and heating air conditioners have relatively high refrigeration coefficients, but relatively low heating energy efficiency ratios. The cooling towers are separately arranged, occupying a large area and being inconvenient for installation and use; current multi-source air-conditioning and heating air conditioners are integrally arranged, with relatively high energy efficiency ratios, but the finned heat exchanger needs to be treated against corrosion, the manufacturing process is complex, the cost is high, the requirements for the spray water quality are high, and the operation and maintenance are inconvenient. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the utility model provides an air-conditioning heat pump system with relatively low manufacturing costs, relatively high comprehensive energy efficiency, relatively small floor area, convenient manufacturing, installation, maintenance and repair, and wide applicable areas.

[0004] The air-conditioning heat pump system of the utility model includes a compressor, a water-source heat exchanger, a throttling device, an evaporator, a circulation pump, a cooling filler, a fan and a water collecting tank; the exhaust port of the compressor is connected to the inlet of the water-source heat exchanger through a pipeline; the outlet of the water-source heat exchanger is connected to the inlet of the throttling device through a pipeline; the outlet of the throttling device is connected to the inlet of the evaporator through a pipeline; the outlet of the evaporator is connected to the inlet of the compressor through a pipeline; the inlet of the circulation pump is connected to the outlet of the water collecting tank through a pipeline; the outlet of the circulation pump is connected to the inlet of the water-source heat exchanger through a pipeline; the outlet of the water-source heat exchanger is connected to a water distribution device at the upper part of the cooling filler through a pipeline; the cooling filler is arranged above the water collecting tank; the fan is arranged above or on the side of the cooling filler.

[0005] Further, the air-conditioning heat pump system of the present utility model further includes a four-way valve; the a and b interfaces of the four-way valve are connected by a pipeline between the exhaust port of the compressor and the inlet of the water source heat exchanger; the c and d interfaces of the four-way valve are connected by a pipeline between the outlet of the evaporator and the inlet of the compressor.

[0006] Further, the air-conditioning heat pump system of the present utility model further includes a finned heat exchanger; the finned heat exchanger is arranged on the upwind side of the cooling filler; the inlet and outlet of the finned heat exchanger are connected by a pipeline between the b interface of the four-way valve and the inlet of the water source heat exchanger.

[0007] Further, the air-conditioning heat pump system of the present utility model further includes a first switching valve and a second switching valve; the inlet of the first switching valve is connected to the cooling water in the water collecting tank through a pipeline, and the outlet is connected to the outlet of the second switching valve and the inlet of the circulation pump through a pipeline; the inlet of the second switching valve is connected to an external water source through a pipeline.

[0008] Further, for the air-conditioning heat pump system of the present utility model, the compressor, the four-way valve, the water source heat exchanger, the throttling device, the evaporator, the circulation pump, the first switching valve and the second switching valve are arranged inside the cavity surrounded by the finned heat exchanger, the cooling filler and the fan above the water collecting tank, or on the side of the cavity surrounded by the water collecting tank, the finned heat exchanger, the cooling filler and the fan.

[0009] Further, the fan of the air-conditioning heat pump system of the present utility model is a top-blowing type or a side-blowing type.

[0010] Further, for the evaporator of the air-conditioning heat pump system of the present utility model, it is integrally arranged or separately arranged with other components.

[0011] The beneficial effects of the present utility model are as follows: (1) Compared with current household air conditioners, the air-conditioning heat pump system of the present utility model has a relatively high energy efficiency ratio and a relatively low manufacturing cost; (2) Compared with current small air-cooled commercial air conditioners, the air-conditioning heat pump system of the present utility model has a relatively high energy efficiency ratio, a relatively low manufacturing cost, and more functions and application scenarios; (3) Compared with current small water-cooled commercial air conditioners, the air-conditioning heat pump system of the present utility model is integrally arranged, convenient for installation, maintenance and repair, and has more functions and application scenarios; (4) Compared with current air-cooled modular household and commercial heating and cooling air conditioners, the air-conditioning heat pump system of the present utility model has a relatively high energy efficiency ratio for summer cooling and winter heating, and relatively low energy consumption and operating cost; (5) Compared with current evaporative condenser air conditioners, the air-conditioning heat pump system of the present utility model has a relatively high refrigeration and heating energy efficiency and a long service life; (6) Compared with current dual-source heating and cooling air conditioners, the air-conditioning heat pump system of the present utility model has a relatively high heating energy efficiency ratio, is integrally arranged with a relatively small floor area, and is convenient for installation and use; (7) Compared with current multi-source heating and cooling air conditioners, the fin heat exchanger of the air-conditioning heat pump system of the present utility model does not require anti-corrosion, has a simple manufacturing process, a relatively low cost, a relatively low requirement for water quality, and is convenient for operation and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of Embodiment 1 of the present utility model;

[0013] Figure 2 is a schematic structural diagram of Embodiment 2 of the present utility model;

[0014] Figure 3 is a schematic structural diagram of Embodiments 3 and 4 of the present utility model;

[0015] Figure 4 is a schematic structural diagram of Embodiments 5 and 6 of the present utility model;

[0016] Figure 5 is Figure 4 the A-A sectional view of.

[0017] In the figure: 1, fin heat exchanger; 2, throttling device; 3, evaporator; 4, fan; 5, four-way valve; 6, cooling filler; 7, water source heat exchanger; 8, circulation pump; 9, first switching valve; 10, second switching valve; 11, compressor; 12, water collecting tank. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] As Figure 1As shown in the figure, the air-conditioning heat pump system of the present utility model includes a compressor 11, a water-source heat exchanger 7, a throttling device 2, an evaporator 3, a circulation pump 8, a cooling filler 6, a blower 4, and a water collection tank 12; the exhaust port of the compressor 11 is connected to the inlet of the water-source heat exchanger 7 through a pipeline; the outlet of the water-source heat exchanger 7 is connected to the inlet of the throttling device 2 through a pipeline; the outlet of the throttling device 2 is connected to the inlet of the evaporator 3 through a pipeline; the outlet of the evaporator 3 is connected to the intake port of the compressor 11 through a pipeline; the inlet of the circulation pump 8 is connected to the outlet of the water collection tank 12 through a pipeline; the outlet of the circulation pump 8 is connected to the inlet of the water-source heat exchanger 7 through a pipeline; the outlet of the water-source heat exchanger 7 is connected to the water distribution device above the cooling filler 6 through a pipeline; the cooling filler 6 is arranged above the water collection tank 12; the blower 4 is arranged above or on the side of the cooling filler 6.

[0019] As Figure 2 shown, further, the air-conditioning heat pump system of the present utility model further includes a four-way valve 5; the a and b ports of the four-way valve 5 are connected between the exhaust port of the compressor 11 and the inlet of the water-source heat exchanger 7 through a pipeline; the c and d ports of the four-way valve 5 are connected between the outlet of the evaporator 3 and the intake port of the compressor 11 through a pipeline.

[0020] As Figure 3 shown, further, the air-conditioning heat pump system of the present utility model further includes a finned heat exchanger 1; the finned heat exchanger 1 is arranged on the upwind side of the cooling filler 6; the inlet and outlet of the finned heat exchanger 1 are connected between the b port of the four-way valve 5 and the inlet of the water-source heat exchanger 7 through a pipeline.

[0021] As Figure 4 shown, further, the air-conditioning heat pump system of the present utility model further includes a first switching valve 9 and a second switching valve 10; the inlet of the first switching valve 9 is connected to the cooling water in the water collection tank 12 through a pipeline, and the outlet is connected to the outlet of the second switching valve 10 and the inlet of the circulation pump 8 through a pipeline; the inlet of the second switching valve 10 is connected to an external water source through a pipeline.

[0022] As Figure 4 and 5 shown, further, for the air-conditioning heat pump system of the present utility model, the compressor 11, the four-way valve 5, the water-source heat exchanger 7, the throttling device 2, the evaporator 3, the circulation pump 8, the first switching valve 9, and the second switching valve 10 are arranged inside the cavity surrounded by the finned heat exchanger 1, the cooling filler 6, and the blower 4 above the water collection tank 12, or on the side of the cavity surrounded by the water collection tank 12, the finned heat exchanger 1, the cooling filler 6, and the blower 4.

[0023] Further, the blower 4 of the air-conditioning heat pump system of the present utility model is a top-blowing type or a side-blowing type.

[0024] Furthermore, the evaporator 3 of the air-conditioning heat pump system of the present utility model is integrally or separately arranged with other components.

[0025] The air-source refrigeration steps of the air-conditioning heat pump system of the present utility model are as follows: Inject an appropriate amount of tap water into the water collection tank 12, start the fan 4 and the circulation pump 8, start the compressor 11, the refrigerant is compressed and enters the water-source heat exchanger 7 to condense and release heat, then passes through the throttling device 2 and enters the evaporator 3 to evaporate and absorb heat and then enters the compressor 11; the cooling water in the water collection tank 12 is sucked into the water-source heat exchanger 7 by the circulation pump 8, exchanges heat with the compressed high-temperature refrigerant to increase the temperature, and is then transported to the water distribution device of the cooling filler 6 and dispersed back into the water collection tank 12, and exchanges heat and cools with the air sucked by the fan 4 on the surface of the cooling filler 6; the above process is cycled to realize the water-source refrigeration operation of the system.

[0026] The air-source hot water heating steps of the air-conditioning heat pump system of the present utility model are as follows: Inject an appropriate amount of tap water into the water collection tank 12, start the fan 4 and the circulation pump 8, connect the a and d interfaces of the four-way valve 5, start the compressor 11, the refrigerant is compressed through the a and d interfaces of the four-way valve 5 and enters the evaporator 3 to condense and release heat to produce hot water, then passes through the throttling device 2 and enters the water-source heat exchanger 7 to evaporate and absorb heat, and then enters the compressor 11 through the b and c interfaces of the four-way valve 5; the heat medium water in the water collection tank 12 is sucked into the water-source heat exchanger 7 by the circulation pump 8, exchanges heat with the low-temperature refrigerant to decrease the temperature, and is then transported to the water distribution device of the cooling filler 6 and dispersed back into the water collection tank 12, and exchanges heat and warms up with the air sucked by the fan 4 on the surface of the cooling filler 6; the above process is cycled to realize the air-source hot water heating operation of the system.

[0027] The dual-cooling-source refrigeration steps of the air-conditioning heat pump system of the present utility model are as follows: Inject an appropriate amount of tap water into the water collection tank 12, start the fan 4 and the circulation pump 8, connect the a and b interfaces of the four-way valve 5, start the compressor 11, the refrigerant is compressed through the a and b interfaces of the four-way valve 5 and sequentially enters the fin heat exchanger 1 and the water-source heat exchanger 7 to condense and release heat, then passes through the throttling device 2 and enters the evaporator 3 to evaporate and absorb heat, and then enters the compressor 11 through the d and c interfaces of the four-way valve 5; the cooling water in the water collection tank 12 is sucked into the water-source heat exchanger 7 by the circulation pump 8, exchanges heat with the compressed high-temperature refrigerant to increase the temperature, and is then transported to the water distribution device of the cooling filler 6 and dispersed back into the water collection tank 12; the air sucked by the fan 4 sequentially exchanges heat and mass with the high-temperature cooling water on the surface of the fin heat exchanger 1 on the upper wind side and the cooling filler 6 on the lower wind side; the above process is cycled to realize the dual-cooling-source refrigeration operation of the system.

[0028] The air source heating steps of the air-conditioning heat pump system of the present utility model are as follows: Drain the water in the water collection tank 12 and the water source heat exchanger 7, start the fan 4, connect the a and d interfaces of the four-way valve 5, start the compressor 11, and the refrigerant is compressed through the a and d interfaces of the four-way valve 5 and enters the evaporator 3 to condense and release heat. Then, it enters the throttling device 2 and enters the fin heat exchanger 1 through the refrigerant channel of the water source heat exchanger 7 to absorb heat by evaporation, and then enters the compressor 11 through the b and c interfaces of the four-way valve 5; The air sucked by the fan 4 exchanges heat with the low-temperature refrigerant in the fin heat exchanger 1; The above process is cycled to achieve the air source heating operation of the system.

[0029] The dual-source heating steps of the air-conditioning heat pump system of the present utility model are as follows: Drain the water in the water collection tank 12 and the water source heat exchanger 7, close the first switching valve 9, open the second switching valve 10 to connect the external low-temperature heat source water, start the fan 4 and the circulation pump 8, connect the a and d interfaces of the four-way valve 5, start the compressor 11, and the refrigerant is compressed through the a and d interfaces of the four-way valve 5 and enters the evaporator 3 to condense and release heat. Then, it enters the throttling device 2 and then enters the water source heat exchanger 7 and the fin heat exchanger 1 in sequence to absorb heat by evaporation, and then enters the compressor 11 through the b and c interfaces of the four-way valve 5; The air sucked by the fan 4 exchanges heat with the fin heat exchanger 1 on the upper wind side; The low-temperature heat source water is directly discharged without entering the water distribution device of the cooling filler 6; The above process is cycled to achieve the dual-source heating operation of the system.

[0030] The low-temperature water source heating steps of the air-conditioning heat pump system of the present utility model are as follows: Drain the water in the water collection tank 12 and the water source heat exchanger 7, close the first switching valve 9, open the second switching valve 10 to connect the external low-temperature heat source water, start the circulation pump 8, connect the a and d interfaces of the four-way valve 5, start the compressor 11, and the refrigerant is compressed through the a and d interfaces of the four-way valve 5 and enters the evaporator 3 to condense and release heat. Then, it enters the throttling device 2 and enters the water source heat exchanger 7 to absorb heat by evaporation, and then enters the compressor 11 through the refrigerant channel of the fin heat exchanger 1 and the b and c interfaces of the four-way valve 5; The low-temperature heat source water is directly discharged without entering the water distribution device of the cooling filler 6; The above process is cycled to achieve the low-temperature water source heating operation of the system.

[0031] The above is only the preferred feasible implementation scheme of the present utility model, and is not intended to limit the patent scope of the present utility model. Therefore, all method steps and equivalent changes made by using the content of this specification and the drawings are within the protection scope of the present utility model.

Claims

1. An air conditioning heat pump system, characterized in that: It includes a compressor, a water source heat exchanger, a throttling device, an evaporator, a circulating pump, a cooling filler, a fan and a water collecting tank; the exhaust port of the compressor is connected to the inlet of the water source heat exchanger through a pipeline; the outlet of the water source heat exchanger is connected to the inlet of the throttling device through a pipeline; the outlet of the throttling device is connected to the inlet of the evaporator through a pipeline; the outlet of the evaporator is connected to the air inlet of the compressor through a pipeline; the water inlet of the circulating pump is connected to the water outlet of the water collecting tank through a pipeline; the water outlet of the circulating pump is connected to the water inlet of the water source heat exchanger through a pipeline; the water outlet of the water source heat exchanger is connected to the water distribution device on the upper part of the cooling filler through a pipeline; the cooling filler is arranged above the water collecting tank; the fan is arranged above or on the side of the cooling filler.

2. The air conditioning heat pump system according to claim 1, characterized in that: It also includes a four-way valve; the a and b interfaces of the four-way valve are connected between the exhaust port of the compressor and the inlet of the water source heat exchanger through a pipeline; the c and d interfaces of the four-way valve are connected between the outlet of the evaporator and the air inlet of the compressor through a pipeline.

3. The air conditioning heat pump system according to claim 2, characterized in that: It also includes a fin heat exchanger; the fin heat exchanger is arranged on the upwind side of the cooling filler; the inlet and outlet of the fin heat exchanger are connected between the b interface of the four-way valve and the inlet of the water source heat exchanger through a pipeline.

4. The air conditioning heat pump system according to claim 1, characterized in that: It also includes a first switching valve and a second switching valve; the inlet of the first switching valve is connected to the cooling water in the sump through a pipeline, and the outlet is connected to the outlet of the second switching valve and the inlet of the circulating pump through a pipeline; the inlet of the second switching valve is connected to an external water source through a pipeline.

5. The air conditioning heat pump system according to claim 3, characterized in that: The compressor, four-way valve, water source heat exchanger, throttling device, evaporator, circulation pump, first switching valve and second switching valve are arranged inside the cavity surrounded by the fin heat exchanger, cooling filler and fan above the water collecting tank, or are arranged on the side of the cavity surrounded by the water collecting tank, fin heat exchanger, cooling filler and fan.

6. The air conditioning heat pump system according to claim 1, characterized in that: The fan is a top-blowing type or a side-blowing type.

7. The air conditioning heat pump system according to claim 1, characterized in that: The evaporator and other components are arranged in an integral manner or in a separate manner.

Images