Water source heat pump air conditioner constant temperature unit special for greenhouse

Abstract

The utility model discloses a water source heat pump air conditioner constant temperature unit special for a greenhouse, which relates to the technical field of water source heat pumps and comprises a greenhouse and a water source heat pump unit, a heat preservation water tank is arranged on one side of the water source heat pump unit, and the rear end of the heat preservation water tank is connected with a water conveying pipe and a second water return pipe which extend into the greenhouse. A plurality of radiators are installed on one side in the greenhouse, a heat exchange pipe is installed in the heat preservation water tank, one end of the heat exchange pipe is connected with a fan through a guide pipe, the other end of the heat exchange pipe is connected with a ventilation pipe extending into the greenhouse, and a plurality of air outlets are formed in the bottom of the ventilation pipe. The draught fan inputs heated fresh air into the greenhouse through the guide pipe, the heat exchange pipe and the ventilation pipe, secondary heating can be conducted on the greenhouse while the fresh air is input into the greenhouse, the temperature change range during ventilation of the greenhouse is effectively reduced, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of water source heat pumps, in particular to a constant temperature unit of a water source heat pump air conditioner dedicated for greenhouses. Background Technique

[0002] A water source heat pump is a heating and air conditioning system that utilizes the water source in the shallow layer of the earth's surface for energy conversion. It uses the heat pump principle to convert low-grade heat energy into high-grade heat energy through a small amount of high-level electric energy input. The water source heat pump has the advantages of high efficiency, energy saving, stability and reliability.

[0003] At present, some greenhouse planting greenhouses use a water source heat pump air conditioner constant temperature unit for heating and planting. However, the existing water source heat pump air conditioner constant temperature unit has a low heating efficiency for greenhouse planting greenhouses, and when ventilating the greenhouse, cold air flow is directly input, resulting in a large temperature change in the greenhouse planting greenhouse. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is that the existing water source heat pump air conditioner constant temperature unit has a low heating efficiency for greenhouse planting greenhouses, and when ventilating, cold air flow is directly input, resulting in a large temperature change in the greenhouse planting greenhouse.

[0005] To solve the above problems, the technical solution of the utility model is: a constant temperature unit of a water source heat pump air conditioner dedicated for greenhouses, including a greenhouse and a water source heat pump unit arranged at one end of the greenhouse. A heat preservation water tank is arranged on one side of the water source heat pump unit. A water supply pipe and a second return pipe extending into the greenhouse are connected to the rear end of the heat preservation water tank. A second circulation water pump is installed at one end of the water supply pipe close to the heat preservation water tank. A plurality of radiators connected to the water supply pipe and the second return pipe are installed on one side inside the greenhouse. A heat exchange pipe is installed inside the heat preservation water tank. One end of the heat exchange pipe is connected to a blower through a conduit, and the other end is connected to a ventilation pipe extending into the greenhouse. A plurality of air outlets are arranged at the bottom of the ventilation pipe.

[0006] Further, a plurality of ventilation windows are opened on the side of the greenhouse, and a door panel is installed at one end far from the water source heat pump unit.

[0007] Further, a communication pipe and a first return pipe are connected between the water source heat pump units, and a first circulation water pump is installed in the middle of the communication pipe.

[0008] Further, a water replenishing pipe is arranged at the upper part of one side of the heat preservation water tank close to the water source heat pump unit.

[0009] Further, the water inlet end of the radiator is connected to the water supply pipe, and the water outlet end is connected to the second return pipe.

[0010] Further, the heat exchange pipe is an S-shaped pipe, and a filter is installed in the middle of the conduit.

[0011] The advantages of the present utility model compared with the existing technology are as follows: The fan of the present utility model inputs fresh air into the greenhouse through a conduit, a heat exchange tube and a ventilation pipe. The air flow generates heat exchange with the hot water in the heat preservation water tank through the heat exchange tube, realizing the heating of the input air flow. Furthermore, the input air flow can input fresh air into the greenhouse and can also perform secondary heating on the greenhouse, and can effectively reduce the temperature change range during the ventilation of the greenhouse, with strong practicability. Description of the Drawings

[0012] Figure 1 is the three-dimensional Figure 1 .

[0013] Figure 2 is the three-dimensional Figure 2 .

[0014] Figure 3 is the cross-sectional view of the present utility model.

[0015] Figure 4 is the cross-sectional view of the heat preservation water tank of the present utility model.

[0016] As shown in the figure: 1. Greenhouse; 2. Water source heat pump unit; 3. Ventilation window; 4. Door panel; 5. Heat preservation water tank; 6. Connecting pipe; 7. First return pipe; 8. First circulating water pump; 9. Make-up water pipe; 10. Water supply pipe; 11. Second return pipe; 12. Second circulating water pump; 13. Radiator; 14. Heat exchange tube; 15. Conduit; 16. Fan; 17. Filter; 18. Ventilation pipe; 19. Air outlet. Detailed Embodiment

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0018] As Figure 1 shown, a water source heat pump air conditioner constant temperature unit for greenhouses includes a greenhouse 1 and a water source heat pump unit 2 provided at one end of the greenhouse 1. A plurality of ventilation windows 3 are opened on the side of the greenhouse 1, and a door panel 4 is installed at one end away from the water source heat pump unit 2.

[0019] As Figure 2 and Figure 3As shown in the figure, a heat preservation water tank 5 is provided on one side of the water source heat pump unit 2. A communicating pipe 6 and a first return water pipe 7 are connected between the water source heat pump units 2. A first circulating water pump 8 is installed in the middle of the communicating pipe 6. A water replenishing pipe 9 is provided at the upper part of the side of the heat preservation water tank 5 close to the water source heat pump unit 2. The rear end of the heat preservation water tank 5 is connected with a water delivery pipe 10 and a second return water pipe 11 extending into the greenhouse 1. A second circulating water pump 12 is installed at one end of the water delivery pipe 10 close to the heat preservation water tank 5. A plurality of radiators 13 are installed inside the greenhouse 1. The water inlet end of the radiator 13 is connected to the water delivery pipe 10, and the water outlet end is connected to the second return water pipe 11.

[0020] When the first circulating water pump 8 is turned on, the water in the heat preservation water tank 5 can be continuously heated by the water source heat pump unit 2; when the second circulating water pump 12 is turned on, the hot water in the heat preservation water tank 5 can be conveyed to the radiator 13 through the water delivery pipe 10, and then flows back to the heat preservation water tank 5 through the second return water pipe 11, and the inside of the greenhouse 1 is heated through the radiator 13.

[0021] As Figure 3 and Figure 4 shown in the figure, a heat exchange pipe 14 is installed inside the heat preservation water tank 5. The heat exchange pipe 14 is an S-shaped pipe, and one end of it is connected to a blower 16 through a conduit 15, and the other end is connected to a ventilation pipe 18 extending into the greenhouse 1. A filter 17 is installed in the middle of the conduit 15, and a plurality of air outlets 19 are provided at the bottom of the ventilation pipe 18.

[0022] When the blower 16 is turned on, fresh air can be input into the greenhouse 1 through the conduit 15, the heat exchange pipe 14 and the ventilation pipe 18. The filter 17 can filter the input air flow. When the air flow enters the heat exchange pipe 14 inside the heat preservation water tank 5, it exchanges heat with the hot water in the heat preservation water tank 5, realizing the heating of the input air flow. Furthermore, the input air flow can input fresh air into the greenhouse 1 and can conduct secondary heating on the greenhouse 1 at the same time.

[0023] In specific use, the water in the heat preservation water tank 5 can be continuously heated through the cooperation of the water source heat pump unit 2 and the first circulating water pump 8, and the inside of the greenhouse 1 can be heated through the cooperation of the second circulating water pump 12 and the radiator 13; when the blower 16 is turned on, fresh air can be input into the greenhouse 1 through the conduit 15, the heat exchange pipe 14 and the ventilation pipe 18. The air flow exchanges heat with the hot water in the heat preservation water tank 5 through the heat exchange pipe 14, realizing the heating of the input air flow. Furthermore, the input air flow can input fresh air into the greenhouse 1 and can conduct secondary heating on the greenhouse 1 at the same time, and can effectively reduce the temperature change range when the greenhouse is ventilated.

[0024] In the present utility model, the parts not disclosed are all prior arts, and their specific structures and working principles will not be elaborated herein.

[0025] It should be noted that, in this text, relational terms such as first and second are only used 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 term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

[0027] The above description of the present invention and its embodiments is not restrictive. What is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In short, if those of ordinary skill in the art are inspired by it and, without departing from the purpose of the present invention, creatively design a structural mode and embodiments similar to this technical solution, they shall fall within the protection scope of the present invention.

Claims

1. A water source heat pump air conditioning constant temperature unit for a greenhouse, comprising a greenhouse (1) and a water source heat pump unit (2) arranged at one end of the greenhouse (1), characterized in that: A heat preservation water tank (5) is provided on one side of the water source heat pump unit (2); a water supply pipe (10) and a second return pipe (11) extending into the interior of the greenhouse (1) are connected to the rear end of the heat preservation water tank (5); a second circulating water pump (12) is installed at one end of the water supply pipe (10) close to the heat preservation water tank (5); a plurality of radiators (13) connected to the water supply pipe (10) and the second return pipe (11) are installed on one side of the interior of the greenhouse (1); a heat exchange pipe (14) is installed inside the heat preservation water tank (5); one end of the heat exchange pipe (14) is connected to a fan (16) via a conduit (15); and the other end is connected to a ventilation pipe (18) extending into the interior of the greenhouse (1); and a plurality of air outlets (19) are provided at the bottom of the ventilation pipe (18).

2. A greenhouse-specific water source heat pump air conditioning constant temperature unit according to claim 1, characterized in that: The greenhouse (1) is provided with a plurality of ventilation windows (3) on the side thereof, and a door panel (4) is installed at the end away from the water source heat pump unit (2).

3. A greenhouse-specific water source heat pump air conditioning constant temperature unit according to claim 1, characterized in that: A connecting pipe (6) and a return pipe (7) are connected between the water source heat pump units (2), and a circulating water pump (8) is installed in the middle of the connecting pipe (6).

4. A greenhouse-specific water source heat pump air conditioning constant temperature unit according to claim 1, characterized in that: A water supply pipe (9) is provided on the upper portion of the thermal insulation water tank (5) close to the water source heat pump unit (2).

5. A greenhouse-specific water source heat pump air conditioning constant temperature unit according to claim 1, characterized in that: The water inlet end of the radiator (13) is connected to the water delivery pipe (10), and the water outlet end is connected to the second return water pipe (11).

6. A greenhouse-specific water source heat pump air conditioning constant temperature unit according to claim 1, characterized in that: The heat exchange tube (14) is an S-shaped tube, and a filter (17) is installed in the middle of the guide tube (15).

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