Solar PVT heat pump heat supply system

By introducing a solar tracking sensor and PLC controller into the PVT heat pump heating system, the direction adjustment of the PVT heat exchange plate is realized, and the dust problem is solved by using the spray cleaning function, which improves heating efficiency and solar energy utilization.

CN119412741APending Publication Date: 2025-02-11LANZHOU HUANENG SOLAR ENERGY
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Patent Information

Application Number
CN202411570518.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-02-11

AI Technical Summary

Technical Problem

The existing PVT heat pump heating system lacks adjustment function and cannot adjust the position according to the direction of the sun, which affects the heating effect and does not have a cleaning function, resulting in dust being easily contaminated during long-term use, affecting the conversion and utilization of solar energy.

Method used

A solar PVT heat pump heating system is designed, using a solar tracking sensor to detect the sun's position, and the motor and turntable are controlled through a PLC controller to realize the direction adjustment of the PVT heat exchange plate. At the same time, the first pump machine and the nozzle are used to realize the spray cleaning function, remove dust, and improve solar energy utilization efficiency.

Benefits of technology

By adjusting the direction of the PVT heat exchange plate, it can always be aimed at the sun, improving heating efficiency; the spray cleaning function effectively avoids the influence of dust and improves the conversion and utilization of solar energy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a solar PVT heat pump heat supply system which comprises a bottom plate, the top of the bottom plate is fixedly connected with a placement table through a support, the left end of the top of the placement table is rotatably connected with a rotary table through a rotary rod, the top of the rotary table is fixedly connected with a supporting frame, and the top of the supporting frame is fixedly connected with a PVT heat exchange plate. The right end of the top of the placing table is fixedly connected with a compressor, and the right end of the top of the placing table is fixedly connected with a box body through a support. The position of the sun can be detected through the sun tracking sensor and converted into an electric signal or a digital signal, then the motor is controlled to rotate through the PLC, and when the motor rotates, the rotary table can be driven to rotate, so that the PVT heat exchange plate can be driven to rotate, the direction of the PVT heat exchange plate can be adjusted, the PVT heat exchange plate can be aligned with the sun all the time, and the heat exchange efficiency is improved. And by means of the sliding blocks and the arc-shaped sliding grooves, the limiting effect can be achieved, and line winding in the rotating process is avoided.
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Description

Technical Field

[0001] The invention relates to the technical field of PVT heat pumps, in particular to a solar PVT heat pump heating system. Background Art

[0002] A heat pump is an efficient and energy-saving device that makes full use of low-grade thermal energy. Heat can be transferred spontaneously from a high-temperature object to a low-temperature object, but cannot be transferred spontaneously in the opposite direction. The working principle of a heat pump is a mechanical device that forces heat to flow from a low-temperature object to a high-temperature object in a reverse cycle. It consumes only a small amount of reverse cycle net work to obtain a large amount of heating, and can effectively utilize the difficult-to-apply low-grade thermal energy to achieve energy-saving purposes. The PVT heat pump thermoelectric distributed energy system and building integration technology utilize solar thermal power and domestic hot water cogeneration and supply technology. A set of solar heat pump systems can solve the year-round power supply, winter heating, and domestic hot water supply of buildings. However, the current PVT heat pump heating system does not have an adjustment function and cannot adjust its position according to the direction of the sun, thereby affecting the heating effect. It also does not have a cleaning function, which makes it easy to get dusty during long-term use, affecting the conversion and utilization of solar energy. For this reason, we propose a solar PVT heat pump heating system. Summary of the invention

[0003] The purpose of the present invention is to provide a solar PVT heat pump heating system with the advantages of adjustment function and cleaning function, so as to solve the problem that the existing PVT heat pump heating system has no adjustment function and cannot adjust its position according to the direction of the sun, thereby affecting the heating effect, and has no cleaning function, which leads to easy contamination of dust during long-term use, affecting the conversion and utilization of solar energy.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a solar PVT heat pump heating system, comprising a base plate, the top of the base plate is fixedly connected to a placing table through a bracket, the left end of the top of the placing table is rotatably connected to a turntable through a rotating rod, the top of the turntable is fixedly connected to a support frame, the top of the support frame is fixedly connected to a PVT heat exchange plate, the right end of the top of the placing table is fixedly connected to a compressor, the right end of the top of the placing table is fixedly connected to a box body through a bracket, the inner cavity of the box body is provided with a cooling groove, the right side of the inner cavity of the box body is provided with a refrigeration groove, the right side of the inner cavity of the refrigeration groove is fixedly connected to a refrigerator, the left end of the top of the base plate is fixedly connected to a motor, the output shaft of the motor is fixedly connected to the bottom of the turntable, the upper part of the left side of the PVT heat exchange plate is fixedly connected to a solar tracking sensor, the upper part of the inner cavity of the box body is provided with an installation groove, and the inner cavity of the installation groove is fixedly connected to a second pump.

[0005] Preferably, an electric slide is installed on the upper left side of the box body, a movable plate is fixedly connected to the left side of the electric slide, the bottom of the movable plate is fixedly connected to a nozzle through a bracket, the top of the bottom plate is fixedly connected to a water tank, the right end of the bottom of the inner cavity of the water tank is fixedly connected to a first pump, the other end of the first pump is fixedly connected to a second hose, the other end of the second hose is fixedly connected to the nozzle, and the left end of the bottom of the inner cavity of the water tank is fixedly connected to a liquid level sensor.

[0006] Preferably, an alarm is fixedly connected to the right side of the water tank, and a water inlet is opened at the right end of the top of the water tank.

[0007] Preferably, the heat dissipation surface of the refrigerator extends to the outside of the right side of the box body, and a radiator is provided on the refrigerator.

[0008] Preferably, a water storage structure is provided on the PVT heat exchange plate, a first hose is fixedly connected to the back side of the water storage structure, a curved tube is fixedly connected to the inner cavity of the cooling tank, the other end of the first hose is fixedly connected to one end of the curved tube, the water suction port of the second pump is fixedly connected to the other end of the curved tube through a pipeline, and the water outlet of the second pump is fixedly connected to a connecting pipe.

[0009] Preferably, a PLC controller is fixedly connected to the front of the placement table, the input end of the PLC controller is electrically connected to the output ends of the sun tracking sensor and the liquid level sensor, and the output end of the PLC controller is electrically connected to the input ends of the electric slide, the compressor, the refrigerator, the first pump, the motor and the second pump.

[0010] Preferably, an arc-shaped slide groove is opened at the left end of the top of the placing table, and a sliding block is fixedly connected to the left end of the bottom of the turntable, and the sliding block is slidably connected to the inner cavity of the arc-shaped slide groove.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The present invention can detect the position of the sun through the sun tracking sensor and convert it into an electrical signal or a digital signal, and then control the rotation of the motor through the PLC controller. When the motor rotates, it can drive the turntable to rotate, thereby driving the PVT heat exchange plate to rotate, so that the direction of the PVT heat exchange plate can be adjusted, so that the PVT heat exchange plate can always be aligned with the sun, which is convenient for people to use. The slider and the arc-shaped slide groove can play a role of limiting and avoid line entanglement during rotation.

[0013] 2. The present invention can suck out the water in the water tank through the first pump, and can send the water into the nozzle under the action of the second hose. The nozzle can spray water on the PVT heat exchange plate, thereby playing a role of spray cleaning, avoiding excessive dust on the PVT heat exchange plate affecting the conversion of solar energy. The electric slide can drive the movable plate to move back and forth, thereby driving the nozzle to move back and forth, thereby expanding the spraying area, so that the PVT heat exchange plate can be fully cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention;

[0015] Figure 2 It is a right view structural schematic diagram of the present invention;

[0016] Figure 3 It is a rear view structural schematic diagram of the present invention;

[0017] Figure 4 It is a schematic diagram of the main cross-sectional structure of the present invention;

[0018] Figure 5 It is a schematic diagram of the top view of the placement platform of the present invention.

[0019] In the figure: 1. base plate; 2. PLC controller; 3. placement table; 4. turntable; 5. support frame; 6. PVT heat exchange plate; 7. solar tracking sensor; 8. movable plate; 9. nozzle; 10. electric slide; 11. box; 12. connecting pipe; 13. compressor; 14. cooling tank; 15. refrigerator; 16. water inlet; 17. water tank; 18. first hose; 19. second hose; 20. alarm; 21. first pump; 22. liquid level sensor; 23. motor; 24. slider; 25. arc slide; 26. installation groove; 27. second pump; 28. cooling tank. 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0021] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0022] Embodiment 1:

[0023] See also Figure 1-5 As shown, the present invention provides a solar PVT heat pump heating system, including a bottom plate 1, the top of the bottom plate 1 is fixedly connected to a placing table 3 through a bracket, the left end of the top of the placing table 3 is rotatably connected to a turntable 4 through a rotating rod, the top of the turntable 4 is fixedly connected to a support frame 5, the top of the support frame 5 is fixedly connected to a PVT heat exchange plate 6, the right end of the top of the placing table 3 is fixedly connected to a compressor 13, the right end of the top of the placing table 3 is fixedly connected to a box body 11 through a bracket, the inner cavity of the box body 11 is provided with a cooling groove 14, the right side of the inner cavity of the box body 11 is provided with a refrigeration groove 28, the right side of the inner cavity of the refrigeration groove 28 is fixedly connected to a refrigerator 15, the left end of the top of the bottom plate 1 is fixedly connected to a motor 23, the output shaft of the motor 23 is fixedly connected to the bottom of the turntable 4, and the upper part of the left side of the PVT heat exchange plate 6 is fixedly connected. A sun tracking sensor 7 is connected, a mounting groove 26 is provided at the upper part of the inner cavity of the box body 11, a second pump 27 is fixedly connected to the inner cavity of the mounting groove 26, a heat dissipation surface of the refrigerator 15 extends to the outside of the right side of the box body 11, a radiator is arranged on the refrigerator 15, a PLC controller 2 is fixedly connected to the front of the placement table 3, an input end of the PLC controller 2 is electrically connected to the output end of the sun tracking sensor 7 and the liquid level sensor 22, an output end of the PLC controller 2 is electrically connected to the input end of the electric slide 10, the compressor 13, the refrigerator 15, the first pump 21, the motor 23 and the second pump 27, an arc-shaped slide groove 25 is provided at the left end of the top of the placement table 3, a slider 24 is fixedly connected to the left end of the bottom of the turntable 4, and the slider 24 is slidably connected to the inner cavity of the arc-shaped slide groove 25.

[0024] The technical solution can detect the position of the sun through the sun tracking sensor 7 and convert it into an electrical signal or a digital signal, and then control the motor 23 to rotate through the PLC controller 2. When the motor 23 rotates, it can drive the turntable 4 to rotate, thereby driving the PVT heat exchange plate 6 to rotate, so that the direction of the PVT heat exchange plate 6 can be adjusted, so that the PVT heat exchange plate 6 can always be aimed at the sun, which is convenient for people to use. The slider 24 and the arc-shaped slide groove 25 can play a limiting role to avoid line entanglement during rotation.

[0025] Embodiment 2:

[0026] Based on the first embodiment, the present invention is as follows Figure 1-5As shown, an electric slide 10 is installed on the upper left side of the box body 11, a movable plate 8 is fixedly connected to the left side of the electric slide 10, a nozzle 9 is fixedly connected to the bottom of the movable plate 8 through a bracket, a water tank 17 is fixedly connected to the top of the bottom plate 1, a first pump 21 is fixedly connected to the right end of the bottom of the inner cavity of the water tank 17, a second hose 19 is fixedly connected to the other end of the first pump 21, and the other end of the second hose 19 is fixedly connected to the nozzle 9, a liquid level sensor 22 is fixedly connected to the left end of the bottom of the inner cavity of the water tank 17, an alarm 20 is fixedly connected to the right side of the water tank 17, and a water inlet 16 is provided at the right end of the top of the water tank 17.

[0027] This technical solution can suck out the water in the water tank 17 through the first pump 21, and under the action of the second hose 19, the water can be sent into the nozzle 9. The nozzle 9 can be used to spray water on the PVT heat exchange plate 6, so as to play a role in spray cleaning, thereby preventing excessive dust on the PVT heat exchange plate 6 from affecting the conversion of solar energy. The electric slide 10 can drive the movable plate 8 to move forward and backward, thereby driving the nozzle 9 to move forward and backward, thereby expanding the spraying area, so that the PVT heat exchange plate 6 can be fully cleaned.

[0028] The working principle of the present invention is: the position of the sun can be detected by the sun tracking sensor 7 and converted into an electrical signal or a digital signal, and then the motor 23 is controlled to rotate by the PLC controller 2. When the motor 23 rotates, the turntable 4 can be driven to rotate, thereby driving the PVT heat exchange plate 6 to rotate, so that the direction of the PVT heat exchange plate 6 can be adjusted, so that the PVT heat exchange plate 6 can always be aligned with the sun, which is convenient for people to use. The slider 24 and the arc-shaped slide groove 25 can play a limiting role to avoid the line from being entangled during the rotation process. The first pump 21 can suck out the water in the water tank 17, and under the action of the second hose 19, the water can be sent into the nozzle 9. The nozzle 9 can spray water on the PVT heat exchange plate 6, so as to play a role in spraying and cleaning, and avoid excessive dust on the PVT heat exchange plate 6 affecting the conversion of solar energy. The electric slide 10 can drive the movable plate 8 to move forward and backward, thereby driving the nozzle 9 to move forward and backward, so as to expand the spraying area, so that the PVT heat exchange plate 6 can be fully cleaned.

[0029] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangement, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0030] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A solar PVT heat pump heating system, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a placing table (3) via a bracket, the left end of the top of the placing table (3) is rotatably connected to a turntable (4) via a rotating rod, the top of the turntable (4) is fixedly connected to a support frame (5), the top of the support frame (5) is fixedly connected to a PVT heat exchange plate (6), the right end of the top of the placing table (3) is fixedly connected to a compressor (13), the right end of the top of the placing table (3) is fixedly connected to a box (11) via a bracket, the inner cavity of the box (11) is provided with a cooling groove (14), and the A refrigeration groove (28) is provided on the right side of the inner cavity of the box body (11), and a refrigerator (15) is fixedly connected to the right side of the inner cavity of the refrigeration groove (28); a motor (23) is fixedly connected to the left end of the top of the base plate (1), and the output shaft of the motor (23) is fixedly connected to the bottom of the turntable (4); a solar tracking sensor (7) is fixedly connected to the upper part of the left side of the PVT heat exchange plate (6); a mounting groove (26) is provided on the upper part of the inner cavity of the box body (11), and a second pump (27) is fixedly connected to the inner cavity of the mounting groove (26).

2. The solar PVT heat pump heating system according to claim 1, characterized in that: An electric slide (10) is installed on the upper part of the left side of the box body (11), a movable plate (8) is fixedly connected to the left side of the electric slide (10), a nozzle (9) is fixedly connected to the bottom of the movable plate (8) through a bracket, a water tank (17) is fixedly connected to the top of the base plate (1), a first pump (21) is fixedly connected to the right end of the bottom of the inner cavity of the water tank (17), a second hose (19) is fixedly connected to the other end of the first pump (21), the other end of the second hose (19) is fixedly connected to the nozzle (9), and a liquid level sensor (22) is fixedly connected to the left end of the bottom of the inner cavity of the water tank (17).

3. The solar PVT heat pump heating system according to claim 2, characterized in that: An alarm (20) is fixedly connected to the right side of the water tank (17), and a water inlet (16) is provided at the right end of the top of the water tank (17).

4. The solar PVT heat pump heating system according to claim 1, characterized in that: The heat dissipation surface of the refrigerator (15) extends to the outside of the right side of the box body (11), and a radiator is arranged on the refrigerator (15).

5. The solar PVT heat pump heating system according to claim 1, characterized in that: The PVT heat exchange plate (6) is provided with a water storage structure, the back of the water storage structure is fixedly connected to a first hose (18), the inner cavity of the cooling tank (14) is fixedly connected to a curved tube, the other end of the first hose (18) is fixedly connected to one end of the curved tube, the water suction port of the second pump (27) is fixedly connected to the other end of the curved tube through a pipeline, and the water outlet of the second pump (27) is fixedly connected to a connecting pipe (12).

6. The solar PVT heat pump heating system according to claim 1, characterized in that: A PLC controller (2) is fixedly connected to the front of the placement table (3); an input end of the PLC controller (2) is electrically connected to output ends of a sun tracking sensor (7) and a liquid level sensor (22); and an output end of the PLC controller (2) is electrically connected to input ends of an electric slide (10), a compressor (13), a refrigerator (15), a first pump (21), a motor (23), and a second pump (27).

7. The solar PVT heat pump heating system according to claim 1, characterized in that: An arc-shaped slide groove (25) is provided at the left end of the top of the placement platform (3), and a slider (24) is fixedly connected to the left end of the bottom of the turntable (4), and the slider (24) is slidably connected to the inner cavity of the arc-shaped slide groove (25).

Citation Information

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