Directly-heated air source heat pump controlled by single water pump

Abstract

The utility model relates to the technical field of air source heat pumps, and discloses a single water pump controlled directly-heated air source heat pump which comprises a heat preservation water tank, a fourth connecting pipe is fixedly installed on the right side of a second electric three-way valve, and a third electronic control valve is fixedly installed behind the fourth connecting pipe. The rear portion of the third electronic control valve is fixedly connected with the air source heat pump. The first electric three-way valve is fixedly installed on the right side of the first connecting pipe, and meanwhile, the temperature sensor is fixedly installed in the heat preservation water tank, so that when the water temperature in the heat preservation water tank is lower than the set stable temperature, one end of the cold water pipe can be closed through the first electric three-way valve; and a circulating pump is started to enable water in the heat preservation water tank to enter the air source heat pump through a third connecting pipe and a fourth connecting pipe to be heated, meanwhile, the water is injected into the heat preservation water tank through a hot water pipe, and therefore the timely heating effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of air source heat pumps, and more specifically, to a single water pump-controlled direct-heating air source heat pump. Background Art

[0002] Air-source heat pump hot water systems are an environmentally friendly, efficient, and energy-saving heating technology. They utilize air energy to heat water, reducing reliance on traditional energy sources while providing users with a more comfortable and economical hot water supply. Air-source heat pumps can be divided into two types: direct-heat and circulating. Direct-heat heat pump systems primarily consist of a chilled water booster pump, an air-source heat pump, a unit circulating pump, piping, and a control system.

[0003] Traditional direct heating heat pumps usually use two water pump systems (one in use and one in backup for each set) for normal operation, usually configured as follows: The chilled water booster pump is used to start the direct heating water production mode when the water tank water level detector detects that the water level is lower than the set water level. In this mode, the chilled water booster pump is turned on, and the air source heat pump is started to produce water until the water level detector detects that the water level has reached the set water level, at which point the direct heating water production is stopped. The unit circulation pump is used to start the unit circulation pump and the air source heat pump is started to heat when the difference between the water tank temperature detected by the water tank temperature sensor and the set outlet water temperature is lower than the set circulation temperature difference, until the water tank temperature reaches the set temperature and the unit is stopped. The configuration cost of this equipment is high and the equipment is relatively complex. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a single water pump controlled direct heating air source heat pump, which has the advantages of simple configuration and simple structure.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a single water pump controlled direct heating air source heat pump, comprising an insulated water tank, an electronic control valve 1 fixedly installed on the right side of the insulated water tank, a connecting pipe 1 fixedly installed on the right side of the electronic control valve 1, an electric three-way valve 1 fixedly installed on the right side of the connecting pipe 1, a cold water pipe fixedly installed in front of the electric three-way valve 1, a circulating pump fixedly installed on the right side of the circulating pump, a connecting pipe 2 fixedly installed on the right side of the connecting pipe 2, an electric three-way valve 2 fixedly installed in front of the electric three-way valve 2, an electronic control valve 2 fixedly installed on the side of the connecting pipe 3 away from the electric three-way valve 2, an air source heat pump fixedly installed behind the electronic control valve 2, a connecting pipe 4 fixedly installed on the right side of the electric three-way valve 2, an electronic control valve 3 fixedly installed behind the connecting pipe 4, and the rear of the electronic control valve 3 is fixedly connected to the air source heat pump.

[0006] As an optimal technical solution of the present invention, a ventilation groove is opened inside the air source heat pump, a heat dissipation fin is fixedly installed at the rear of the air source heat pump, a hot water pipe is fixedly installed in front of the air source heat pump, and the hot water pipe is fixedly connected to the insulated water tank.

[0007] As an optimal technical solution of the present invention, a filter plate is fixedly installed inside the cold water pipe, a butt joint is fixedly installed at the bottom of the cold water pipe, a conical bucket is fixedly installed inside the butt joint, and a collection bin is fixedly installed at the bottom of the butt joint.

[0008] As a preferred technical solution of the present invention, a water level detector and a temperature sensor are fixedly installed inside the thermal insulation water tank, and the water level detector is located behind the temperature sensor.

[0009] As an optimal technical solution of the present invention, the circulation pump is located in the middle of the electric three-way valve 1 and the electric three-way valve 2, and the connecting pipe 3 and the connecting pipe 4 are connected through the electric three-way valve 2.

[0010] As a preferred technical solution of the present invention, there are two electronic control valves 2 and 3, and the two electronic control valves 2 and 3 are both located in front of the air source heat pump.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. The utility model is configured such that an electric three-way valve 1 is fixedly installed on the right side of the connecting pipe 1, a circulating pump is fixedly installed on the right side of the electric three-way valve 1, and an electric three-way valve 2 is fixedly installed on the right side of the circulating pump. At the same time, the electric three-way valve 2 is fixedly connected to the air source heat pump through the connecting pipe 3 and the connecting pipe 4 respectively, so that the water circulation effect is achieved by controlling the electric three-way valve 1 and the electric three-way valve 2 to control different channels respectively. At the same time, since a temperature sensor is fixedly installed inside the insulated water tank, when the water temperature inside the insulated water tank is lower than the set stable temperature, the electric three-way valve 1 will close one end of the cold water pipe, start the circulating pump, and allow the water inside the insulated water tank to enter the interior of the air source heat pump through the connecting pipe 3 and the connecting pipe 4 for heating, and then be injected into the interior of the insulated water tank through the hot water pipe, thereby achieving the effect of timely heating.

[0013] 2. The utility model has a filter plate fixedly installed inside the cold water pipe, a butt-joint pipe fixedly installed at the bottom of the cold water pipe, a conical bucket fixedly installed inside the butt-joint pipe, and a collection bin fixedly installed at the bottom of the butt-joint pipe. When water is injected into the cold water pipe in the direction of the electric three-way valve, impurities in the water will be filtered by the filter plate, and the impurities will fall down along the butt-joint pipe through the conical bucket and fall into the interior of the collection bin, thereby preventing impurities from accumulating on the right side of the filter plate and causing blockage, while also ensuring the safety of the water. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a partial structural diagram of the utility model;

[0016] Figure 3 For this utility model Figure 2 A magnified schematic diagram of the structure at A;

[0017] Figure 4 For this utility model Figure 2 A magnified schematic diagram of the structure at B;

[0018] Figure 5 This is a cross-sectional view of the thermal insulation water tank structure of the utility model.

[0019] In the figure: 1. Insulated water tank; 2. Electronic control valve 1; 3. Connecting pipe 1; 4. Electric three-way valve 1; 5. Cold water pipe; 6. Filter plate; 7. Butt joint; 8. Conical bucket; 9. Collection bin; 10. Circulation pump; 11. Connecting pipe 2; 12. Electric three-way valve 2; 13. Connecting pipe 3; 14. Connecting pipe 4; 15. Electronic control valve 2; 16. Electronic control valve 3; 17. Air source heat pump; 18. Ventilation slot; 19. Radiating fin; 20. Hot water pipe; 21. Water level detector; 22. Temperature sensor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] like Figures 1 to 5As shown, the utility model provides a single water pump controlled direct heating air source heat pump, including an insulated water tank 1, an electronic control valve 2 is fixedly installed on the right side of the insulated water tank 1, a connecting pipe 3 is fixedly installed on the right side of the electronic control valve 2, an electric three-way valve 4 is fixedly installed on the right side of the connecting pipe 3, a cold water pipe 5 is fixedly installed in front of the electric three-way valve 4, a circulating pump 10 is fixedly installed on the right side of the circulating pump 10, a connecting pipe 2 11 is fixedly installed on the right side of the connecting pipe 11, An electric three-way valve 2 12 is fixedly installed on the right side, a connecting pipe 3 13 is fixedly installed in front of the electric three-way valve 2 12, an electronic control valve 2 15 is fixedly installed on the side of the connecting pipe 3 13 away from the electric three-way valve 2 12, an air source heat pump 17 is fixedly installed behind the electronic control valve 2 15, a connecting pipe 4 14 is fixedly installed on the right side of the electric three-way valve 2 12, an electronic control valve 3 16 is fixedly installed behind the connecting pipe 4 14, and the rear of the electronic control valve 3 16 is fixedly connected to the air source heat pump 17.

[0022] The main function of the air source heat pump 17 is to heat the water flowing into the connecting pipe three 13 and the connecting pipe four 14. At the same time, the direction of water inflow can be adjusted through the action of the electric three-way valve 1 4 and the electric three-way valve 2 12, so as to facilitate the injection of cold water into the interior of the air source heat pump 17 and achieve the effect of timely and circulating heating.

[0023] Among them, a ventilation slot 18 is opened inside the air source heat pump 17, a heat dissipation fin 19 is fixedly installed at the rear of the air source heat pump 17, and a hot water pipe 20 is fixedly installed in front of the air source heat pump 17. The hot water pipe 20 is fixedly connected to the insulated water tank 1.

[0024] The main function of the heat dissipation fins 19 is to dissipate heat for the air source heat pump 17 to prevent the air source heat pump 17 from generating too much heat after working for a long time, thereby reducing the service life of the air source heat pump 17.

[0025] Among them, a filter plate 6 is fixedly installed inside the cold water pipe 5, a docking pipe 7 is fixedly installed at the bottom of the cold water pipe 5, a conical bucket 8 is fixedly installed inside the docking pipe 7, and a collection bin 9 is fixedly installed at the bottom of the docking pipe 7.

[0026] The filter plate 6 is located on the left side of the docking pipe 7. Its main function is to filter impurities in the water. At the same time, the conical bucket 8 is in the shape of a cone with an opening downward. Its main function is that after the impurities are filtered by the filter plate 6, they will fall into the interior of the collection bin 9, thereby preventing the impurities from continuing to accumulate and causing blockage.

[0027] A water level detector 21 and a temperature sensor 22 are fixedly installed inside the thermal insulation water tank 1 , and the water level detector 21 is located behind the temperature sensor 22 .

[0028] The main function of the water level detector 21 is to detect the water level inside the insulated water tank 1 after the hot water is transported to the inside of the water level detector 21 by the hot water pipe 20, so as to prevent the internal pressure from being too high due to excessive water level. At the same time, the main function of the temperature sensor 22 is to detect the stability of the hot water inside the insulated water tank 1. When the water temperature is lower than the preset value, the effect of timely heating can be achieved.

[0029] Among them, the circulation pump 10 is located in the middle of the electric three-way valve 1 4 and the electric three-way valve 2 12 , and the connecting pipe 3 13 and the connecting pipe 4 14 are connected through the electric three-way valve 2 12 .

[0030] The main function of the circulation pump 10 is to effectively drive the water circulation inside the connecting pipe 3 13 and the connecting pipe 4 14 after it is started, so as to achieve the effect of timely water supply.

[0031] There are two electronic control valves 2 15 and two electronic control valves 3 16 , and both the two electronic control valves 2 15 and the two electronic control valves 3 16 are located in front of the air source heat pump 17 .

[0032] The main function of the two electronic control valves 2 15 and the two electronic control valves 3 16 is to effectively disperse the water flow by connecting the connecting pipe 3 13 and the connecting pipe 4 14 to the air source heat pump 17, thereby achieving the effect of facilitating water circulation.

[0033] The working principle and use process of this utility model:

[0034] First, draw cold water from the end of the cold water pipe 5 away from the electric three-way valve 4, so that the water enters the cold water pipe 5. At this time, since a filter plate 6 is fixedly installed inside the cold water pipe 5, a docking pipe 7 is fixedly installed at the bottom of the cold water pipe 5, a conical bucket 8 is fixedly installed inside the docking pipe 7, and a collecting bin 9 is fixedly installed at the bottom of the docking pipe 7, when the cold water pipe 5 is filled with water in the direction of the electric three-way valve 4, impurities in the water will be filtered by the filter plate 6. At this time, the impurities will fall downward along the docking pipe 7 through the conical bucket 8 and fall into the interior of the collecting bin 9, thereby preventing impurities from accumulating on the right side of the filter plate 6 and causing blockage, while also ensuring the safety of the water.

[0035] At the same time, the left side pipeline of the electric three-way valve 1 4 is closed, so that the cold water is driven by the circulation pump 10 and transferred through the electric three-way valve 2 12 into the interior of the connecting pipe 3 13 and the connecting pipe 4 14, and then enters the interior of the air source heat pump 17 and is heated by the air source heat pump 17.

[0036] Secondly, the heated hot water is transported to the inside of the insulated water tank 1 through the hot water pipe 20, thereby achieving the effect of heat preservation. At the same time, due to the ventilation and heat dissipation effect of the ventilation slots 18 and the heat dissipation fins 19, it can effectively ensure that the excess heat inside the heat dissipation fins 19 is dissipated in time when working, thereby achieving the effect of improving the service life of the air source heat pump 17;

[0037] Finally, since a temperature sensor 22 is fixedly installed inside the insulated water tank 1, when the water temperature inside the insulated water tank 1 is lower than the set stable temperature, the electric three-way valve 1 4 will close one end of the cold water pipe 5, and the circulation pump 10 will be started to allow the water inside the insulated water tank 1 to enter the air source heat pump 17 through the connecting pipe 3 13 and the connecting pipe 4 14 for heating, and at the same time be injected into the insulated water tank 1 through the hot water pipe 20, thereby achieving the effect of timely heating.

[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A single water pump controlled direct heating air source heat pump, comprising an insulated water tank (1), characterized in that: An electronic control valve (2) is fixedly installed on the right side of the thermal insulation water tank (1), a connecting pipe (3) is fixedly installed on the right side of the electronic control valve (2), an electric three-way valve (4) is fixedly installed on the right side of the connecting pipe (3), a cold water pipe (5) is fixedly installed in front of the electric three-way valve (4), a circulating pump (10) is fixedly installed on the right side of the electric three-way valve (4), a connecting pipe (11) is fixedly installed on the right side of the circulating pump (10), and an electric three-way valve (12) is fixedly installed on the right side of the connecting pipe (11). A connecting pipe 3 (13) is fixedly installed in front of the electric three-way valve 2 (12), an electronic control valve 2 (15) is fixedly installed on the side of the connecting pipe 3 (13) away from the electric three-way valve 2 (12), an air source heat pump (17) is fixedly installed behind the electronic control valve 2 (15), a connecting pipe 4 (14) is fixedly installed on the right side of the electric three-way valve 2 (12), an electronic control valve 3 (16) is fixedly installed behind the connecting pipe 4 (14), and the rear of the electronic control valve 3 (16) is fixedly connected to the air source heat pump (17).

2. A single water pump controlled direct heating air source heat pump according to claim 1, characterized in that: A ventilation slot (18) is provided inside the air source heat pump (17), a heat dissipation fin (19) is fixedly installed at the rear of the air source heat pump (17), a hot water pipe (20) is fixedly installed at the front of the air source heat pump (17), and the hot water pipe (20) is fixedly connected to the thermal insulation water tank (1).

3. The single water pump controlled direct heating air source heat pump according to claim 1, characterized in that: A filter plate (6) is fixedly installed inside the cold water pipe (5), a butt joint (7) is fixedly installed at the bottom of the cold water pipe (5), a conical bucket (8) is fixedly installed inside the butt joint (7), and a collection bin (9) is fixedly installed at the bottom of the butt joint (7).

4. The single water pump controlled direct heating air source heat pump according to claim 1, characterized in that: A water level detector (21) and a temperature sensor (22) are fixedly installed inside the thermal insulation water tank (1), and the water level detector (21) is located behind the temperature sensor (22).

5. The single water pump controlled direct heating air source heat pump according to claim 1, characterized in that: The circulation pump (10) is located in the middle of the electric three-way valve (4) and the electric three-way valve (12), and the connecting pipe (13) and the connecting pipe (14) are connected through the electric three-way valve (12).

6. The single water pump controlled direct heating air source heat pump according to claim 2, characterized in that: There are two electronic control valves 2 (15) and two electronic control valves 3 (16), and the two electronic control valves 2 (15) and the two electronic control valves 3 (16) are both located in front of the air source heat pump (17).

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