CN211579908U

CN211579908U - Solar photovoltaic roof device

Info

Publication number: CN211579908U
Application number: CN202020642335.4U
Authority: CN
Inventors: 马树新
Original assignee: TSINGRUN INTERNATIONAL ARCHITECTURE DESIGN Ltd
Current assignee: TSINGRUN INTERNATIONAL ARCHITECTURE DESIGN Ltd
Priority date: 2020-04-25
Filing date: 2020-04-25
Publication date: 2020-09-25
Anticipated expiration: 2030-04-25

Abstract

The utility model provides a solar photovoltaic roof device, which comprises a solar cell array and a solar cell array mounting platform, wherein the solar cell array is provided with a plurality of solar cell panels electrically connected with each other, and an air heat dissipation channel is formed between the solar cell array mounting platform and the backlight side of the solar cell array; the solar cell array mounting platform comprises a supporting member, a transition connecting plate, a roof heat-insulating material layer and structural sealant. The utility model discloses a solar photovoltaic roof device makes and becomes two line supports of extension limit from traditional four point type support between the solar panel of the supporting member of solar cell array of the invention and solar cell array, makes the area of contact of the solar cell array mounting platform of the invention and solar module bigger, has improved the atress condition of solar cell array subassembly, has reduced the damaged hidden danger that solar cell array subassembly produced because of the atress is concentrated.

Description

Solar photovoltaic roof device

Technical Field

The utility model belongs to the technical field of solar energy, concretely relates to solar photovoltaic roof device.

Background

The solar photovoltaic power generation technology is a technology for converting sunlight into electric energy by using the photovoltaic effect of a semiconductor device. The smallest photovoltaic power generation unit is called a solar cell panel, and the solar cell panel is connected in series, in parallel, structurally packaged and electrically connected to form a solar device. The power generation efficiency of the solar panel and the working temperature thereof show a negative correlation characteristic, namely, the efficiency is lower as the temperature is higher. The solar cell panel can generate heat when being irradiated by sunlight and generating electricity, so that the working temperature of the solar cell panel is increased, and the photoelectric conversion efficiency (generating efficiency) of the solar cell panel is reduced.

The roof is an enclosure structure at the uppermost part of the house, and the requirement of corresponding use function is met, so that a proper internal space environment is provided for the building. The roof is also the bearing structure of the roof of the house and is influenced by factors such as materials, structures, construction conditions and the like. The roof is a part of the building volume, and the form of the roof has great influence on the shape of the building, so the design also needs to pay attention to the aesthetic problem of the roof. The roof suitable for various types of buildings is created while meeting other design requirements. The design of the roof is structurally safe, and structurally meets the requirements of heat preservation, heat insulation, water resistance, drainage and the like. The solar energy component is used as a building roof material to be integrated into a roof structure, and a special connecting device needs to be designed to achieve the purposes of improving the structure safety and the drainage performance and reducing the construction cost.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem solved by the present invention is to provide a solar photovoltaic roof apparatus, 1. the solar photovoltaic roof apparatus, the solar photovoltaic roof apparatus includes a solar cell array and a solar cell array mounting platform, characterized in that, the solar cell array has a plurality of electrically connected solar cell panels, an air heat dissipation channel is formed between the solar cell array mounting platform and the backlight side of the solar cell array, and the solar cell array is flatly and densely laid with a waterproof function; the solar cell array mounting platform comprises a supporting member, a transition connecting plate, a roof heat-insulating material layer and structural sealant; the heat insulation material layer is paved above purlines of a roof, the transition connecting plates are paved on the heat insulation material layer, and the transition connecting plates are transited by using the supporting members; the solar cell panel is laid between two adjacent support members, and the long side direction of the solar cell array is in parallel arrangement relation with the support members; the long side direction of the solar cell array is the same as the roof drainage direction; and one edge of each of the two adjacent solar panels is lapped on the same supporting member, and then the two adjacent solar panels are sealed and fixed through the structural sealant.

In one embodiment, the transition connecting plate is formed by pressing a hard material, and the surface of the transition connecting plate is provided with a plurality of trapezoidal bulges.

In one embodiment, the support members are formed by pressing hard materials, each support construction cross section comprises at least two isosceles trapezoids which are opened downwards, one isosceles trapezoid is higher than the other trapezoids, and each side of each two adjacent solar panels is overlapped on the upper bottom of the higher isosceles trapezoid; the lower isosceles trapezoid buckles the trapezoid protrusion of the transition connecting plate.

In one embodiment, each support construction cross section comprises three downward-opening isosceles trapezoids, the middle isosceles trapezoid is higher than the two sides of the isosceles trapezoid, and one side of each of two adjacent solar panels is lapped on the upper bottom of the middle isosceles trapezoid; and the isosceles trapezoids at the two sides buckle the trapezoidal bulges of the transition connecting plate.

In one embodiment, the hard material is a steel plate.

In one embodiment, the hard material is a profiled color sheet.

In one embodiment, the peak positions of the overlapping regions of the brace members and the transition web are fastened to the underlying roof purlin by self-drilling screws.

In one embodiment, the support members that differ in the direction of drainage of the roof are stacked together, and the support members mounted in the drainage direction are stacked to form the drainage structure.

The utility model provides a solar photovoltaic roof device makes and becomes two line support of extension limit from traditional four point type support between the solar panel of the supporting member of solar cell array of the invention and solar cell array, makes the area of contact of the solar cell array mounting platform of the invention and solar module bigger, has improved the atress condition of solar cell array subassembly, has reduced the damaged hidden danger that solar cell array subassembly produced because of the atress is concentrated. Simultaneously, because solar array's one side of being shaded sets up air heat dissipation channel can with the temperature rise heat that solar array produced is taken away and is dispelled, can prevent that the panel temperature from rising too big to the temperature of effective control panel can be favorable to promoting solar device's electric conversion efficiency, prolongs the life of panel.

Drawings

Fig. 1 is a schematic structural view of a solar photovoltaic roof apparatus according to an embodiment of the present invention;

FIG. 2 is a cross-sectional schematic view of the solar photovoltaic roofing apparatus of FIG. 1;

fig. 3 is a schematic cross-sectional view of a portion of the solar photovoltaic roof apparatus of fig. 1.

The reference numerals are represented as:

1. a solar cell array; 2-a support member; 3-a transition connecting plate; 4-roofing heat insulation material; 5-structural sealant; 6-purlin; 7-drilling a self screw; 8-air channel.

Detailed Description

With reference to fig. 1 to 3, according to an embodiment of the present invention, a solar photovoltaic roof apparatus is provided, including solar array 1 and solar array mounting platform, solar array 1 has a plurality of solar cell panels electrically connected, solar array mounting platform with form the air heat dissipation channel between one side of being shaded of solar array 1.

The solar cell array mounting platform comprises a supporting member 2, a transition connecting plate 3, a roof heat-insulating material layer 4 and structural sealant 5. And (3) paving a heat insulation material layer 4 above the purline of the roof, paving transition connecting plates 3 on the heat insulation material layer 4, and using supporting members 2 for transition between the transition connecting plates 3. A solar cell panel of the solar cell array 1 is laid between two adjacent supporting members 2, and the long edge direction of the solar cell array 1 is parallel to the supporting members 2; the longitudinal direction of the solar cell array 1 is the same as the roof drainage direction.

The support member 2 is profiled from thin-walled steel sheet and comprises three downwardly open isosceles trapezoids in cross-section for stacked mounting. The support members 2 are stacked together along the roof drainage direction to accommodate different length roof requirements while providing a relatively flat top surface without affecting the installation process of the solar array 1. The support members 2 are stacked and installed along the drainage direction, which is favorable for forming a drainage structure, draining water out of the roof and ensuring the waterproof performance of the roof.

The support members 2 are arranged in parallel to the roof drainage direction, and the width between the two support members 2 is matched with the width of one solar cell panel of the solar cell array 1. The support member 2 mainly functions to support and connect the solar cell array 1, so that the solar cell array 1 is not detached in long-term operation, and the safety of a roof is guaranteed. Meanwhile, the air passage formed by the support member 2 facilitates the circulation of air heated by the solar cell array 1, thereby facilitating the application of air heat energy.

In one embodiment, the transition web 3 is a profiled steel sheet structure having a plurality of trapezoidal protrusions on the surface thereof, which may increase the strength of the transition web 3. Simultaneously, compare in insulation material layer 4, the smooth metal surface of transition connecting plate 3 can reduce the resistance of circulation of air in the air intermediate layer, and then promotes the efficiency that the air escape or was recycled.

In one embodiment, the support member 2 is formed by two equal-height isosceles trapezoids 22 on both sides and a higher isosceles trapezoid 21 in the middle. In the application process, the short trapezoids 22 on the two sides buckle the trapezoidal bulges of the transition connecting plate 3 to complete the lap joint transition, so that the air channel 8 with a certain section is formed, and meanwhile, the lap joint transition connecting plate 3 and the supporting member 2 form the secondary guarantee of the roof waterproof system. The included angle formed by the inclined edge of the isosceles trapezoid 21 and the bottom edge thereof can be adjusted according to the height thereof and the weight of the solar cell array 1 attached above the same, so as to achieve the optimal stressed structure. At the part that supporting member 2 overlaps with transition connecting plate 3, the supporting member is a little wider than the transition connecting plate in the width direction, can provide some regulation allowance for the installation error like this, and then reduces the construction complexity.

In one embodiment, the solar cell array 1 is laid between two adjacent support members 2, and the long side direction of the solar cell array 1 is in parallel arrangement relation with the support members 2; in the long side direction of the solar cell array 1, the following support member 2 is lapped on the preceding support member 2, and the direction of the support member 2 from back to front is consistent with the drainage direction of the roof, so that the solar cell array 1 on the support member 2 is also formed into the direction from high to low, which is consistent with the drainage direction of the roof, and is beneficial to the drainage of the roof.

In one embodiment, two adjacent solar panels of the solar cell array 1 are respectively provided with one edge to be placed at two edges of a trapezoid 21 with a higher middle part of the same supporting member 2 in the width direction of the supporting member 2, and the two adjacent solar panels are fixedly sealed by using a sealant 5, so that a tight waterproof function is ensured.

In one embodiment, the wave crest position of the overlapping area of the supporting member 2 and the transition connecting plate 3 is penetrated and fixed on the roof purline 6 below the supporting member by a drill tail screw, and the drill tail screw at the wave crest position can avoid the hidden trouble of water leakage caused by water accumulation.

Compared with the traditional photovoltaic system installation mode, the solar photovoltaic roof device provided by the invention has the advantages that the traditional four-point support between the support member of the solar cell array and the solar panel of the solar cell array is changed into the two-line support with the extended side, so that the contact area between the solar cell array installation platform and the solar module is larger, the stress condition of the solar cell array module is improved, and the damage hidden danger of the solar cell array module caused by stress concentration is reduced.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The solar photovoltaic roof device comprises a solar cell array and a solar cell array mounting platform, and is characterized in that the solar cell array is provided with a plurality of solar cell panels which are electrically connected, an air heat dissipation channel is formed between the solar cell array mounting platform and the backlight side of the solar cell array, and the solar cell array is flatly and densely paved with a waterproof function;

the solar cell array mounting platform comprises a supporting member, a transition connecting plate, a roof heat-insulating material layer and structural sealant; the heat insulation material layer is paved above purlines of a roof, the transition connecting plates are paved on the heat insulation material layer, and the transition connecting plates are transited by using the supporting members;

the solar cell panel is laid between two adjacent support members, and the long side direction of the solar cell array is in parallel arrangement relation with the support members; the long side direction of the solar cell array is the same as the roof drainage direction; and one edge of each of the two adjacent solar panels is lapped on the same supporting member, and then the two adjacent solar panels are sealed and fixed through the structural sealant.

2. The solar photovoltaic roof device as claimed in claim 1, wherein the transition connecting plate is formed by pressing a hard material, and has a plurality of trapezoidal protrusions on the surface.

3. The solar photovoltaic roof device as claimed in claim 2, wherein the supporting members are formed by pressing hard materials, each supporting member has a cross section comprising at least two isosceles trapezoids opened downward, one of the isosceles trapezoids is higher than the other, and each of two adjacent solar panels is overlapped on the upper bottom of the higher isosceles trapezoid; the lower isosceles trapezoid buckles the trapezoid protrusion of the transition connecting plate.

4. The solar photovoltaic roof device as claimed in claim 3, wherein each support structure cross section comprises three downward opening isosceles trapezoids, the middle isosceles trapezoid is higher than the two isosceles trapezoids, and each side of two adjacent solar panels is overlapped on the upper bottom of the middle isosceles trapezoid; and the isosceles trapezoids at the two sides buckle the trapezoidal bulges of the transition connecting plate.

5. The solar photovoltaic roof device of claim 3, wherein the hard material is a steel plate.

6. The solar photovoltaic roof device of claim 5, wherein the hard material is a profiled color sheet.

7. The solar photovoltaic roof device as claimed in claim 3, wherein the peak positions of the overlapping regions of the support members and the transition connecting plates are fixed on the roof purlines therebelow by drilling screws.

8. The solar photovoltaic roof device as claimed in claim 3, wherein the support members different in the drainage direction of the roof are stacked together, and the support members stacked and installed in the drainage direction form a drainage structure.