Building integrated photovoltaic assembly

Abstract

The utility model relates to a photovoltaic building integrated assembly which comprises a panel, a back plate and a photovoltaic cell layer located between the panel and the back plate, a cavity is formed in the back plate, a snakelike first heat exchange pipe is arranged in the cavity, a water inlet pipe and a water outlet pipe which are communicated with the first heat exchange pipe extend into the cavity in a sealed mode, and the water inlet pipe and the water outlet pipe are communicated with the first heat exchange pipe. A plurality of reinforcing plates for supporting the cavity are further arranged in the cavity, and penetrating holes allowing the first heat exchange pipes to penetrate through are formed in the reinforcing plates. The heat exchange effect is achieved through the arrangement of the first heat exchange tubes, meanwhile, due to the fact that the cavity is formed in the bottom plate, the supporting strength of the bottom plate is reduced, the strength of the bottom plate can be enhanced through the arrangement of the reinforcing plate, the strength loss caused by the cavity is made up, and the service life of the heat exchanger is prolonged. And meanwhile, the first heat exchange tubes and the bottom plate are connected through the reinforcing plates, the contact area is increased, and rapid heat transfer is facilitated.

Description

Technical Field

[0001] The utility model relates to the photovoltaic field, in particular to the photovoltaic building technology field, and specifically refers to a photovoltaic building integrated component. Background Art

[0002] As people's living standards improve, the energy consumption of building heating and air conditioning is increasing. It has become a consensus to vigorously develop and utilize renewable energy, gradually change the energy consumption structure, and implement a sustainable development strategy in energy supply. The concept of photovoltaic building integration has emerged. With the vigorous development of new energy applications, photovoltaic building integrated components, namely BIPV components, are gradually being used on the roofs, curtain walls, and windows of buildings. Photovoltaic building integration is a new concept of applying solar power generation. Simply put, it is to install solar photovoltaic power generation arrays on the outer surface of the building's enclosure structure (roof, curtain walls, windows, etc.) to provide electricity.

[0003] The conversion efficiency of existing photovoltaic building integrated components for sunlight is still limited, and a large amount of energy that cannot be converted into electrical energy is eventually converted into heat energy. On the one hand, this part of heat will increase the temperature of the component and thus reduce the conversion efficiency of the component, causing the component to eventually operate at a higher temperature and lower conversion efficiency. On the other hand, since existing photovoltaic building integrated components usually do not have a corresponding heat dissipation system, they cannot dissipate heat in time or have limited heat dissipation capacity. This part of heat will eventually lead to an increase in the heat of the building, thereby increasing the corresponding cooling load and possibly causing the HVAC system to deviate from the optimal operating point. At the same time, the peak of the building's own load may overlap with the peak of the heat brought by the component, making the situation even worse. Utility Model Content

[0004] The utility model aims at the deficiencies of the prior art and provides a photovoltaic building integrated component for effectively dissipating heat of a battery panel.

[0005] The utility model is realized through the following technical scheme: a photovoltaic building integrated component, including a panel and a back panel, and a photovoltaic cell layer located between the panel and the back panel, a cavity is opened in the back panel, a serpentine first heat exchange tube is arranged in the cavity, a water inlet pipe and a water outlet pipe connected to the first heat exchange tube are both sealed and extend into the cavity, a plurality of reinforcing plates supporting the cavity are also arranged in the cavity, and a through hole is opened on the reinforcing plate for the first heat exchange tube to pass through.

[0006] The utility model achieves the effect of heat exchange by arranging the first heat exchange tube. At the same time, since a cavity is opened in the bottom plate, the supporting strength of the bottom plate is reduced. Therefore, the strength of the bottom plate itself can be enhanced by arranging the reinforcing plate, thereby compensating for the strength loss caused by the cavity. At the same time, the reinforcing plate connects the first heat exchange tube and the bottom plate, and also increases the contact area, which is convenient for rapid heat transfer.

[0007] Preferably, the cavity is also filled with a heat exchange medium, and the cavity is connected with a liquid inlet and a liquid outlet extending outside the bottom plate.

[0008] This preferred solution indirectly increases the contact area between the first heat exchange tube and the bottom plate by setting the heat exchange medium, thereby achieving a better heat exchange effect. At the same time, the temperature of the bottom plate can be reduced by replacing the heat exchange medium, thereby achieving multiple ways to cool the bottom plate.

[0009] Preferably, the water outlet pipe is also connected to a second heat exchange pipe located at the air inlet of the air conditioner.

[0010] When this preferred solution is in use, in winter, the temperature of the water outlet pipe is higher than the outdoor temperature, thereby increasing the temperature of the air entering the air conditioner, thereby improving the heat exchange efficiency of the air conditioner. Similarly, in summer, in order to ensure the heat exchange effect, the water delivery volume is larger. Although the temperature of the water in the water outlet pipe undergoes heat exchange once, it will still be lower than the outdoor temperature. Therefore, the temperature of the air entering the air conditioner is reduced, thereby improving the heat exchange efficiency of the air conditioner.

[0011] Preferably, the air outlet of the air conditioner is connected to a tee, both openings of the tee are provided with valves, and the water inlet pipe is connected to a third heat exchange pipe located in one opening.

[0012] When this preferred solution is in use, through the adjustment of the valve, when the air conditioner is exhausting normally, the exhaust air is discharged from another opening without passing through the third heat exchange tube. In winter, the exhaust air of the air conditioner can heat the third heat exchange tube, thereby avoiding the occurrence of ice in the third heat exchange tube and the water inlet pipe.

[0013] Preferably, the second heat exchange tube and the third heat exchange tube are both serpentine tubes.

[0014] This preferred solution increases the heat exchange area and improves the heat exchange efficiency by disposing the serpentine tube.

[0015] Preferably, a thermometer and a liquid level gauge are also provided in the cavity. The preferred solution facilitates the temperature in the cavity to be monitored by the thermometer, and facilitates the liquid level of the heat exchange medium to be ensured by the liquid level gauge.

[0016] The beneficial effects of the utility model are as follows: through the arrangement of the first heat exchange tube, the heat exchange effect is achieved. At the same time, due to the cavity opened in the bottom plate, the supporting strength of the bottom plate is reduced. Therefore, the strength of the bottom plate itself can be enhanced by the arrangement of the reinforcing plate, thereby compensating for the strength loss caused by the cavity. At the same time, the reinforcing plate connects the first heat exchange tube and the bottom plate, and also increases the contact area, which is convenient for rapid heat transfer. In winter, the temperature of the water outlet pipe is higher than the outdoor temperature, thereby increasing the temperature of the air entering the air conditioner, thereby improving the heat exchange efficiency of the air conditioner. Similarly, in summer, in order to ensure the heat exchange effect, the water delivery volume is large. In the water outlet pipe, although the water temperature undergoes a heat exchange once, it is still lower than the outdoor temperature. Therefore, the temperature of the air entering the air conditioner is reduced, thereby improving the heat exchange efficiency of the air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic side view of the cavity;

[0019] As shown in the figure:

[0020] 1. first heat exchange tube, 2. second heat exchange tube, 3. third heat exchange tube, 4. bottom plate, 5. cavity, 6. reinforcing plate, 7. liquid inlet, 8. liquid outlet, 9. water inlet pipe, 10. water outlet pipe, 11. air inlet of air conditioner, 12. one opening of tee. DETAILED DESCRIPTION

[0021] In order to clearly illustrate the technical features of this solution, this solution is described below through a specific implementation method.

[0022] See attached Figure 1-2 The utility model discloses a photovoltaic building integrated component, including a panel and a back panel, and a photovoltaic cell layer located between the panel and the back panel. A cavity is opened in the back panel, and the cavity is filled with a heat exchange medium. The cavity is connected with a liquid inlet and a liquid outlet extending outside the bottom plate. A thermometer and a liquid level gauge are also arranged in the cavity.

[0023] A serpentine first heat exchange tube is arranged in the cavity, and a water inlet pipe and a water outlet pipe connected with the first heat exchange tube are both sealed and extend into the cavity. A plurality of reinforcing plates supporting the cavity are also arranged in the cavity, and a through hole is opened on the reinforcing plate for the first heat exchange tube to pass through.

[0024] The water outlet pipe is also connected to a second heat exchange pipe located at the air inlet of the air conditioner. The air outlet of the air conditioner is connected to a tee, both openings of the tee are provided with valves, and the water inlet pipe is connected to a third heat exchange pipe located in one opening.

[0025] The second heat exchange tube and the third heat exchange tube are both serpentine tubes, and the second heat exchange tube and the third heat exchange tube are both serpentine in a side view direction.

[0026] Water pumps are provided on the water inlet pipe and the water outlet pipe, and the medium flowing in the water inlet pipe and the water outlet pipe is water.

[0027] When the utility model is in use, the first heat exchange tube is arranged to play a role in heat exchange. At the same time, due to the cavity opened in the bottom plate, the supporting strength of the bottom plate is reduced. Therefore, the strength of the bottom plate itself can be enhanced by the arrangement of the reinforcing plate, thereby compensating for the strength loss caused by the cavity. At the same time, the reinforcing plate connects the first heat exchange tube and the bottom plate, and also increases the contact area, which is convenient for rapid heat transfer. In winter, the temperature of the water outlet pipe is higher than the outdoor temperature, thereby increasing the temperature of the air entering the air conditioner, thereby improving the heat exchange efficiency of the air conditioner. Similarly, in summer, in order to ensure the heat exchange effect, the water delivery volume is large. In the water outlet pipe, although the temperature of the water undergoes heat exchange once, it is still lower than the outdoor temperature. Therefore, the temperature of the air entering the air conditioner is reduced, thereby improving the heat exchange efficiency of the air conditioner.

[0028] Of course, the above description is not limited to the above examples. The technical features not described in the present invention can be achieved by or by adopting the existing technology, which will not be repeated here. The above embodiments and drawings are only used to illustrate the technical scheme of the present invention and are not limitations of the present invention. The present invention is described in detail with reference to the preferred implementation methods. Ordinary technicians in this field should understand that the changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention do not deviate from the purpose of the present invention and should also fall within the scope of protection of the claims of the present invention.

Claims

1. A photovoltaic building integrated assembly, comprising a panel and a back panel, and a photovoltaic cell layer located between the panel and the back panel, characterized in that: A cavity is provided in the back plate, and a serpentine first heat exchange tube is provided in the cavity. The water inlet pipe and the water outlet pipe connected to the first heat exchange tube are both sealed and extend into the cavity. A plurality of reinforcing plates supporting the cavity are also provided in the cavity, and the reinforcing plates are provided with through holes for the first heat exchange tube to pass through.

2. The photovoltaic building integrated assembly according to claim 1, characterized in that: The cavity is also filled with a heat exchange medium, and the cavity is connected with a liquid inlet and a liquid outlet extending outside the bottom plate.

3. The photovoltaic building integrated assembly according to claim 1, characterized in that: The water outlet pipe is also connected to a second heat exchange pipe located at the air inlet of the air conditioner.

4. The photovoltaic building integrated assembly according to claim 3, characterized in that: The air outlet of the air conditioner is connected with a tee, both openings of the tee are provided with valves, and the water inlet pipe is connected with a third heat exchange pipe located in one opening.

5. The photovoltaic building integrated assembly according to claim 4, characterized in that: The second heat exchange tube and the third heat exchange tube are both serpentine tubes.

6. The photovoltaic building integrated assembly according to claim 2, characterized in that: A thermometer and a liquid level gauge are also arranged in the cavity.

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