Double-deck ventilated atrium skylight with photovoltaic panels

Abstract

The application belongs to the field of building energy saving, and discloses a double-layer ventilation atrium skylight with a photovoltaic panel, which comprises a skylight body, a supporting dwarf wall and a photovoltaic skylight assembly; a plurality of first openable flaps are formed in the skylight body; the supporting dwarf wall is arranged around the periphery of the skylight body, and the supporting dwarf wall is provided with an adjustable ventilation opening; the photovoltaic skylight assembly is arranged on the supporting dwarf wall, and comprises a metal frame, a photovoltaic panel arranged on the south side of the metal frame and an upper skylight arranged on the north side of the metal frame; a plurality of second openable flaps are arranged on the upper skylight; a side edge sealing window is arranged between the metal frame and the supporting dwarf wall, so that a closed ventilation interlayer is formed between the photovoltaic skylight assembly and the skylight body. The application improves the thermal performance of the skylight by using passive means, the ventilation interlayer formed between the double-layer skylight is beneficial to heat dissipation of the photovoltaic panel, and meanwhile, the cold and heat load entering the lower space is reduced, so that the comfort of the physical environment of the lower space is ensured.

Description

Double-layered ventilated atrium skylight with photovoltaic panels Technical Field

[0001] This invention relates to the field of building energy conservation, and in particular to a double-layered ventilated atrium skylight with photovoltaic panels. Background Technology

[0002] Currently, traditional skylights in my country have a simple, layered structure. Most skylights only have a simple sunshade cloth, or even no sunshade at all, relying solely on the coating process of the skylight glass to reduce solar radiation. This lack of efficient heat insulation layers results in a poor indoor thermal environment in the lower space, creating additional HVAC loads. Other measures are then needed to meet the thermal comfort requirements of people in different seasons, such as increasing air conditioning power and adding fans in summer, and using electric heaters and air conditioners in winter. This not only wastes energy but also fails to fundamentally improve the indoor thermal environment, which is inconsistent with the current development concept of energy conservation and carbon reduction.

[0003] Photovoltaic power generation can fully utilize solar radiation energy, and it is flexible in installation, easy to maintain, and has a wide range of applications, making it convenient for energy-saving renovations of both new and old buildings. Currently, a common practice is to integrate photovoltaic power generation modules with the roof. These modules can block some solar radiation, improving the roof's insulation performance, while simultaneously converting solar radiation energy into electricity for the building's main structure, thus reducing building energy consumption.

[0004] Currently, the common method for installing photovoltaic (PV) panels is to add brackets to the existing roof. This installation process affects the integrity of the existing roof, and the appearance of the added PV panels is inconsistent with the existing roof surface, increasing construction costs. Installing PV panels on skylights faces the same problems as roof installations, but also requires consideration of the skylight's own lighting performance. Currently, there are few structures for installing PV on skylights, and conventional roof PV installation methods are not suitable. Furthermore, these methods fail to further address the adverse effects on the indoor physical environment of the space below. Therefore, there is an urgent need for a more efficient and comprehensive skylight PV structure to solve these problems. Summary of the Invention

[0005] The present invention aims to solve the technical problems existing in the prior art. To this end, the present invention provides a double-layered ventilated atrium skylight with photovoltaic panels.

[0006] The technical solution adopted by this invention to solve its technical problem is:

[0007] A double-layer ventilated atrium skylight with photovoltaic panels is provided, comprising a skylight body, a supporting low wall, and a photovoltaic skylight assembly; the skylight body has multiple first operable sashes; the supporting low wall surrounds the skylight body and has adjustable ventilation openings; the photovoltaic skylight assembly is mounted on the supporting low wall and includes a metal frame and photovoltaic panels respectively laid on the south-facing side of the metal frame and an upper skylight facing the north side; the upper skylight has multiple second operable sashes; a side sealing window is provided between the metal frame and the supporting low wall, so that a closed ventilation layer is formed between the photovoltaic skylight assembly and the skylight body.

[0008] In a preferred embodiment of the present invention, the first operable sash is provided at both ends of the skylight body, and the opening direction of the first operable sash is opposite to the wind direction of the local summer prevailing wind.

[0009] In a preferred embodiment of the present invention, the adjustable ventilation opening is disposed on the supporting low wall at both ends of the skylight body.

[0010] In a preferred embodiment of the present invention, the metal frame is provided with a plurality of sawtooth-shaped paving units, each paving unit including a photovoltaic panel paving surface facing south and a skylight paving surface facing north, the photovoltaic panel paving surface and the skylight paving surface being perpendicular to each other.

[0011] In a preferred embodiment of the present invention, a drainage gutter is provided between two adjacent paving units.

[0012] In a preferred embodiment of the present invention, the frame of the photovoltaic panel is provided with a sloping groove on one side and a convex edge that overlaps with the sloping groove on the other side. Adjacent photovoltaic panels are connected by the convex edge and the sloping groove, and a drainage groove is provided between the convex edge and the sloping groove. The bottom of the drainage groove is provided with waterproof adhesive.

[0013] In a preferred embodiment of the present invention, a sealing strip is provided at the connection between two adjacent photovoltaic panels.

[0014] In a preferred embodiment of the present invention, both the first and second operable windows are electrically controlled window fans, and the adjustable vent is an electrically operated louvered air vent.

[0015] In a preferred embodiment of the present invention, the method for controlling the sunroof is as follows:

[0016] During the transitional season or summer, the adjustable vents, the first openable fan, and the second openable fan are all opened. The waste heat generated by the photovoltaic panels during power generation and the solar radiation heat the air entering the ventilation layer. The thermal pressure promotes the natural ventilation effect of the lower usable space. The entire ventilation layer drives the ventilation of the lower usable space and also has a heat insulation function.

[0017] In winter, the first and second operable fans, as well as the adjustable vents, are all closed, forming a sealed cavity. The waste heat generated by the photovoltaic panels during power generation and solar radiation can heat the air in the cavity, forming an air insulation layer. This effectively reduces heat exchange between the roof and the cold air outside, improves the thermal performance of the skylight, and the heated cavity can also radiate heat to the lower space, reducing the heating demand of the lower space.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] This invention changes the traditional installation method of photovoltaic skylights, ensuring the integrity of the roof and providing a strong overall appearance and harmony. Simultaneously, it utilizes passive methods to improve the thermal performance of the skylights. The ventilation layer formed between the two layers of skylights facilitates heat dissipation from the photovoltaic panels, while also reducing the heat and cold load entering the lower space, ensuring the comfort of the lower space's physical environment, and further enhancing the skylight's waterproof performance. This invention integrates heat insulation, thermal insulation, and renewable energy utilization, offering comprehensive performance. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0021] Figure 1 is a diagram showing the closed state of the double-layer ventilated atrium skylight with photovoltaic panels provided by the present invention;

[0022] Figure 2 is a diagram showing the open state of the double-layer ventilated atrium skylight with photovoltaic panels provided by the present invention;

[0023] Figure 3 is a cross-sectional view of the double-layer ventilated atrium skylight with photovoltaic panels provided in Figure 2;

[0024] Figure 4 is an end structure diagram of the double-layer ventilated atrium skylight with photovoltaic panels provided in Figure 2;

[0025] Figure 5 is a three-dimensional structural diagram of the end of the double-layer ventilated atrium skylight with photovoltaic panels provided in Figure 4;

[0026] Figure 6 is a diagram of the overlapping structure of two adjacent photovoltaic panels provided by the present invention;

[0027] Figure 7 is a schematic diagram of the working conditions of the double-layer ventilated atrium skylight with photovoltaic panels provided by the present invention in the transition season and summer.

[0028] Figure 8 is a schematic diagram of the working condition of the double-layer ventilated atrium skylight with photovoltaic panels provided by the present invention in winter. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Example 1

[0031] This embodiment provides a double-layered ventilated atrium skylight with photovoltaic panels, as shown in Figures 1 to 5. It includes a skylight body 1, a supporting low wall 2, and a photovoltaic skylight assembly 3. The skylight body 1 is an existing conventional skylight structure. The supporting low wall 2 surrounds the skylight body 1, and the photovoltaic skylight assembly 3 is mounted on the supporting low wall 2. The photovoltaic skylight assembly 3 and the skylight body 1 form a double-layered skylight structure.

[0032] In this embodiment, multiple first operable sashes 4 are provided on the skylight body 1; preferably, first operable sashes 4 are provided at both ends of the skylight body 1; specifically, the opening direction of the first operable sashes 4 is opposite to the prevailing summer wind direction. Simultaneously, adjustable ventilation openings 5 ​​are provided on the supporting low walls 2, specifically: the adjustable ventilation openings 5 ​​are located on the supporting low walls 2 at both ends of the skylight body 1. Second operable sashes 6 are provided on the photovoltaic skylight assembly 3, thus forming a double-layered ventilation skylight structure.

[0033] Preferably, the photovoltaic skylight assembly 3 in this embodiment includes a metal frame 3.1 and photovoltaic panels 3.2 laid on the south-facing side of the metal frame 3.1 and an upper skylight 3.3 laid on the north-facing side. Preferably, the metal frame structure has multiple sawtooth-shaped paving units. Each paving unit includes a photovoltaic panel paving surface 3.1a facing south and a skylight paving surface 3.1b facing north. The photovoltaic panel paving surface 3.1a and the skylight paving surface 3.1b are perpendicular to each other. The photovoltaic panels 3.2 and the upper skylight 3.3 are laid on the photovoltaic panel paving surface 3.1a and the skylight paving surface 3.1b, respectively. The photovoltaic panel paving surface is tilted at a suitable angle according to the local sunlight, generally between 30° and 45°. Each upper skylight 3.3 of each paving unit is provided with multiple second operable sashes 6.

[0034] Preferably, a side window is provided between the metal frame 3.1 and the supporting low wall 2, so that a closed ventilation layer is formed between the photovoltaic skylight assembly and the skylight body.

[0035] Preferably, a drainage gutter 7 is provided between two adjacent paving units to drain rainwater between the paving units. Preferably, the second operable sash 6 of the upper skylight 3.3 opens outward from bottom to top, so that rainwater can be directed to the photovoltaic panels of the adjacent paving unit into the drainage gutter during rainy weather.

[0036] Preferably, both the first operable fan 4 and the second operable fan 6 are electrically controlled window fans, and the adjustable vent 5 is an electrically operated louvered air vent, which can realize automated control of the electrically controlled window fans and the electrically operated louvered air vent.

[0037] In specific implementation, during the transitional season or summer, as shown in Figure 7, the skylight controls the adjustable ventilation opening, the first openable fan, and the second openable fan to be opened. The second openable fan can be opened every other paving unit. The waste heat generated by the photovoltaic panel during power generation and the solar radiation heat the air entering the ventilation layer. The thermal pressure promotes the natural ventilation effect of the lower usable space. The entire ventilation layer drives the ventilation of the lower usable space and also has a heat insulation function.

[0038] In winter, as shown in Figure 8, the first and second operable sashes and the adjustable vents of the skylight are all closed, forming a sealed cavity. The waste heat generated by the photovoltaic panels during power generation and solar radiation can heat the air in the cavity, forming an air insulation layer. This effectively reduces heat exchange between the roof and the cold air outside, improving the thermal performance of the skylight. The heated cavity can also radiate heat to the lower space, reducing the heating demand of the lower space.

[0039] This embodiment utilizes passive methods to improve the thermal performance of the skylight. The ventilation layer formed between the two skylights facilitates the heat dissipation of the photovoltaic panels, while also reducing the heat and cold load entering the lower space, ensuring the comfort of the physical environment in the lower space, and further improving the waterproof performance of the skylight.

[0040] Example 2

[0041] Based on Embodiment 1, as shown in Figure 6, the photovoltaic panel 3.2 in this embodiment has a sloping groove 3.2.1 on one side of its frame and a protruding edge 3.2.2 on the other side that overlaps with the sloping groove 3.2.1. Adjacent photovoltaic panels 3.2 are connected by the protruding edge and the sloping groove, and a drainage groove 3.2.0 is provided between the protruding edge and the sloping groove. The bottom of the drainage groove is provided with waterproof adhesive 8. Preferably, a sealing strip 9 is provided at the connection between adjacent photovoltaic panels 3.2 to further improve the waterproof sealing effect between the photovoltaic panels.

[0042] The photovoltaic panel connection structure designed in this embodiment achieves waterproof connection of the photovoltaic panel and improves the waterproof sealing performance of the photovoltaic skylight module.

[0043] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A double-layered ventilated atrium skylight with photovoltaic panels, comprising a skylight body; characterized in that: It also includes a supporting low wall and a photovoltaic skylight assembly, wherein: the skylight body has multiple first operable sashes; the supporting low wall surrounds the skylight body and has adjustable ventilation openings; the photovoltaic skylight assembly is mounted on the supporting low wall and includes a metal frame and photovoltaic panels laid on the south-facing side of the metal frame and an upper skylight on the north-facing side; the upper skylight has multiple second operable sashes; a side sealing window is provided between the metal frame and the supporting low wall, forming a closed ventilation layer between the photovoltaic skylight assembly and the skylight body; multiple sawtooth-shaped paving units are provided within the metal frame, each paving unit includes a photovoltaic panel paving surface facing south and a skylight paving surface facing north, the photovoltaic panel paving surface and the skylight paving surface being perpendicular to each other; a drainage ditch is provided between two adjacent paving units.

2. The double-layered ventilated atrium skylight with photovoltaic panels according to claim 1, characterized in that: The first operable sash is provided at both ends of the skylight body, and the opening direction of the first operable sash is opposite to the wind direction of the local summer prevailing wind.

3. The double-layered ventilated atrium skylight with photovoltaic panels according to claim 2, characterized in that: The adjustable ventilation openings are located on the supporting low walls at both ends of the skylight body.

4. The double-layered ventilated atrium skylight with photovoltaic panels according to claim 1, characterized in that: The photovoltaic panel has a sloping groove on one side of its frame and a protruding edge on the other side that overlaps with the sloping groove. Adjacent photovoltaic panels are connected by the protruding edge and the sloping groove, and a drainage groove is provided between the protruding edge and the sloping groove. The bottom of the drainage groove is provided with waterproof adhesive.

5. The double-layered ventilated atrium skylight with photovoltaic panels according to claim 4, characterized in that: A sealing strip is provided at the connection between two adjacent photovoltaic panels.

6. The double-layered ventilated atrium skylight with photovoltaic panels according to any one of claims 1 to 5, characterized in that: Both the first and second operable windows are electrically controlled window sashes, and the adjustable vents are electrically adjustable louvered vents.

7. The double-layered ventilated atrium skylight with photovoltaic panels according to claim 6, characterized in that: The control method is as follows: During the transitional season or summer, the adjustable vents, the first openable fan, and the second openable fan are all opened. The waste heat generated by the photovoltaic panels during power generation and the solar radiation heat the air entering the ventilation layer, and the thermal pressure promotes the natural ventilation effect of the lower usable space. In winter, the first openable fan, the second openable fan, and the adjustable vents are all closed, and the ventilation layer forms a sealed cavity. The waste heat generated by the photovoltaic panels during power generation and the solar radiation can heat the air in the cavity to form an air insulation layer.

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