CN217400151U

CN217400151U - Photovoltaic building roof

Info

Publication number: CN217400151U
Application number: CN202220857744.5U
Authority: CN
Inventors: 盛昊; 王力; 周聪; 贺迪; 孔维
Original assignee: Longi Solar Technology Co Ltd
Current assignee: Longi Solar Technology Co Ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-09-09
Anticipated expiration: 2032-04-13

Abstract

The application discloses photovoltaic building roof relates to photovoltaic building technical field. The photovoltaic building roof comprises a flexible roof panel, a mounting support, a photovoltaic assembly and a fastener, wherein the mounting support comprises a flexible substrate and a protruding part, the flexible substrate is superposed on the upper surface of the flexible roof panel and is in sealing connection with the flexible roof panel, the protruding part is connected to the upper surface of the flexible substrate, and the protruding part is provided with a first connecting hole; the frame of the photovoltaic assembly is provided with a second connecting hole, and the fastener penetrates through the first connecting hole and the second connecting hole so as to connect the lug boss and the photovoltaic assembly together.

Description

Photovoltaic building roof

Technical Field

The utility model relates to a photovoltaic building technical field especially relates to a photovoltaic building roof.

Background

With the popularization of new energy strategies, more and more roofs are provided with solar photovoltaic modules.

In the prior art, a support for mounting a photovoltaic module includes an upper half portion and a lower half portion, the lower half portion has a through hole so that a fastener penetrates through the through hole and a roof panel to be connected with a purline below the roof panel, and the upper half portion is connected with the photovoltaic module.

This kind of mode need punch and pass the metal roofing, will lead to the roofing waterproof performance of the part that punches relatively poor, the seepage appears easily to the installation is comparatively wasted time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a photovoltaic building roof, which comprises a flexible roof board, a mounting bracket, a photovoltaic assembly and a fastener, wherein the mounting bracket comprises a flexible substrate and a bulge part, the flexible substrate is superposed on the upper surface of the flexible roof board and is in sealing connection with the flexible roof board, the bulge part is connected to the upper surface of the flexible substrate, and the bulge part is provided with a first connecting hole; the frame of the photovoltaic assembly is provided with a second connecting hole, and the fastener penetrates through the first connecting hole and the second connecting hole so as to connect the lug boss and the photovoltaic assembly together.

According to the technical scheme, the photovoltaic assembly is installed on the flexible roof panel through the installation support, the flexible base plate is overlapped on the flexible roof panel, and the flexible roof panel is flexible, so that damage to the flexible roof panel can be reduced, and the flexible roof panel can be hermetically connected without being damaged; the frame of bellying and photovoltaic module passes through fastener lug connection for photovoltaic module's installation is not only simple but also firm, can make the construction simpler, improves the efficiency of construction.

In one possible implementation, the projected area of the protrusion on the flexible roof panel is smaller than the projected area of the flexible base panel on the flexible roof panel. Make flexible roof boarding and flexible base plate lug connection, the connection cross section between the two is great, and the junction between the two can bear great pulling force, reduces flexible roof boarding because of the great and destroyed risk of pulling force, prolongs the life on photovoltaic building roof.

In one possible implementation, a chamfered or smooth transition connection between the boss and the flexible substrate. Under the condition of adopting this technical scheme, can reduce the stress concentration between bellying and the flexible substrate, improve installing support's structural strength, can also avoid forming the sunken condition of depositing water between bellying and the flexible substrate, improve the waterproof ability on roof.

In one possible implementation, the rigidity of the protruding portion is greater than the rigidity of the flexible substrate.

In one possible embodiment, the mounting bracket may be an integrally formed piece.

In one possible implementation, the waterproof layer on the upper surfaces of the flexible base plate and the flexible roof plate is made of the same material and is connected together by hot air welding. By adopting the technical scheme, the hot air welding between the flexible substrate and the flexible roof board can be reliable, the structure of the flexible roof board is not damaged, and the waterproof performance of the flexible roof board can be ensured.

In a possible implementation manner, the extending directions of the first connecting hole and the second connecting hole are perpendicular to the flexible roof panel, at least one photovoltaic assembly is connected to one protruding portion, and the frame of the photovoltaic assembly is located above the protruding portion.

In one example, at least two photovoltaic modules are connected to one protruding portion, and the upper surface of the protruding portion is provided with a limiting protrusion located between the at least two photovoltaic modules. The limiting protrusion can facilitate installation and positioning of the photovoltaic module, can play a role in stopping buffering, and avoids the situation that the photovoltaic module is damaged due to collision of two adjacent frames under the condition of wind blowing or other external forces.

In a possible implementation manner, the protruding portion has a limiting portion, the extending directions of the first connecting hole and the second connecting hole are both parallel to the flexible roof panel, and the first connecting hole penetrates through the limiting portion. Under the condition of adopting the technical scheme, the fastener penetrates through the first connecting hole and the second connecting hole, so that the frame is connected with the limiting part, namely the frame is connected with the boss. The freedom degree of the frame in the extending direction of the first connecting hole is limited by the limiting part.

In a possible embodiment, at least two photovoltaic modules can be connected to one limiting part.

In one possible implementation, the first connection holes may each be a stepped hole including a small diameter portion and a large diameter portion, and the fastener may include a bolt and a nut; wherein,

in one example, the number of the large diameter part is one, the screw rod of the bolt extends into the small diameter part, and the head of the bolt is positioned in the large diameter part and matched with the large diameter part in shape;

or, in another example, the number of the large diameter portions is one, and the nut is located in the large diameter portion and is matched with the large diameter portion in shape;

or, in another example, the number of the large diameter portions is two, and the large diameter portions are respectively located at two ends of the small diameter portion, and the heads of the nut and the bolt are respectively located in the two large diameter portions, wherein one of the two large diameter portions is matched with the corresponding large diameter portion in shape, and the other one of the two large diameter portions has a gap with the corresponding large diameter portion, so that the screwing tool can be conveniently stretched into the gap for screwing.

The application also provides a photovoltaic building roof, which comprises a flexible roof panel, a mounting support, a photovoltaic assembly and a fastener, wherein the mounting support comprises a flexible substrate and a protruding part, the flexible substrate is superposed on the upper surface of the flexible roof panel and is in sealing connection with the flexible roof panel, the protruding part is connected to the upper surface of the flexible substrate, the protruding part is provided with a first connecting hole, and the extending direction of the first connecting hole is perpendicular to the flexible roof panel; photovoltaic building roof still includes the briquetting, and the briquetting includes connecting plate, curb plate and clamp plate, and the curb plate is connected between connecting plate and clamp plate, and the connecting plate is located the below of clamp plate, and the clamp plate is pressed and is put on photovoltaic module's frame, and the connecting plate has the third connecting hole that corresponds with first connecting hole, and the fastener passes first connecting hole and third connecting hole in order to link together briquetting and frame. Under the condition of adopting this technical scheme, on the extending direction of first connecting hole, the frame is pressed from both sides tightly between clamp plate and bellying, and the frame can be restricted with the frictional force between clamp plate, the bellying the degree of freedom of frame in the orientation mutually perpendicular with first connecting hole, so, just can realize the installation location to photovoltaic module.

In a possible implementation manner, the projected area of the convex part on the flexible roof panel is smaller than the projected area of the flexible substrate on the flexible roof panel; the bulge part and the flexible substrate are connected in a chamfering way or a smooth transition way; the rigidity of the convex part is greater than that of the flexible substrate; the mounting bracket may be an integrally formed part.

In one possible implementation, the waterproof layers on the upper surfaces of the flexible base plate and the flexible roof plate are made of the same material and are connected together through hot air welding. By adopting the technical scheme, the hot air welding between the flexible substrate and the flexible roof board can be reliable, the structure of the flexible roof board is not damaged, and the waterproof performance of the flexible roof board can be ensured.

In one possible implementation, the first connection holes may each be a stepped hole including a small diameter portion and a large diameter portion adjacent to the flexible roof panel, and the fastener may include a bolt and a nut; wherein,

in one example, the shank of the bolt extends into the small diameter portion, and the head of the bolt is located within and form-fits with the large diameter portion;

or, in another example, the nut is located within and form-fits the large diameter portion.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a partial view of a photovoltaic building roof provided in accordance with an embodiment of the present disclosure;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a partial view of a second photovoltaic building roof provided by an embodiment of the present application;

FIG. 4 is a top view of FIG. 3;

fig. 5 is a partial view of a third photovoltaic building roof provided by an embodiment of the present application;

FIG. 6 is a top view of FIG. 8;

fig. 7 is a partial view of a fourth photovoltaic building roof provided by an embodiment of the present application;

FIG. 8 is a top view of FIG. 7;

fig. 9 is a partial view of a fifth photovoltaic building roof provided in accordance with an embodiment of the present disclosure;

FIG. 10 is a top view of FIG. 9;

fig. 11 is a partial view of a sixth photovoltaic building roof provided in accordance with an embodiment of the present disclosure;

fig. 12 is a perspective view corresponding to fig. 11.

Reference numerals:

1-flexible roof board, 2-photovoltaic component, 21-frame, 22-battery board,

3-mounting bracket, 31-boss, 311-stop block, 32-first connection hole, 33-flexible substrate, 34-limit projection,

4-fastener, 41-bolt, 42-nut and 5-pressing block.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, "above" and "below" are based on the direction of gravity.

Referring to fig. 1, the present application provides a photovoltaic building roof, including a flexible roof panel 1, a mounting bracket 3, a photovoltaic module 2 and a fastener 4, where the mounting bracket 3 includes a flexible substrate 33 and a protruding portion 31, the flexible substrate 33 is stacked on an upper surface of the flexible roof panel 1 and is hermetically connected to the flexible roof panel 1, the protruding portion 31 is connected to the upper surface of the flexible substrate 33, and the protruding portion 31 has a first connection hole 32; the frame 21 of the photovoltaic module 2 has a second coupling hole, and the fastener 4 passes through the first coupling hole 32 and the second coupling hole to couple the boss 31 and the photovoltaic module 2 together.

According to the technical scheme, the photovoltaic assembly 2 is installed on the flexible roof panel 1 through the installation support 3, and the flexible substrate 33 is overlapped on the flexible roof panel 1, so that the flexible roof panel 1 can be damaged in a reduced manner due to flexibility, and the flexible roof panel 1 can be hermetically connected without being damaged; the bulge 31 is directly connected with the frame 21 of the photovoltaic assembly 2 through the fastener 4, so that the photovoltaic assembly 2 is simple and firm to install, the construction is simpler, and the construction efficiency is improved.

In a possible implementation, the projected area of the protruding part 31 on the flexible roof panel 1 is smaller than the projected area of the flexible base plate 33 on the flexible roof panel 1. Under the condition of adopting this technical scheme, because compare in flexible base plate 33, bellying 31 is harder and the area is less, if bellying 31 directly carries out hot-blast welding with flexible roof boarding 1, the operation is more difficult, and it is less to connect the cross section, joint strength is little, consequently, make flexible roof boarding 1 and flexible base plate 33 lug connection, it is great to connect the cross section between the two, the junction between the two can bear great pulling force, reduce flexible roof boarding 1 because of the great and destroyed risk of pulling force, the life on extension photovoltaic building roof.

In one possible implementation, a chamfered or smooth transition connection is provided between the boss 31 and the flexible substrate 33. Under the condition of adopting this technical scheme, can reduce the stress concentration between bellying 31 and the flexible substrate 33, improve the structural strength of installing support 3, can also avoid forming the sunken condition that deposits water between bellying 31 and the flexible substrate 33, improve the waterproof ability on roof.

In one possible implementation, the rigidity of the convex portion 31 is greater than the rigidity of the flexible substrate 33. Under the condition of adopting this technical scheme, bellying 31 can play good connection and supporting role to photovoltaic module 2, and flexible substrate 33 then can be better carry out hot-blast welded connection with flexible roof boarding 1.

In a possible embodiment, the mounting bracket 3 may be an integrally formed part. Thus, the boss 31 and the flexible board 33 are made of the same material, and the entire structure of the mounting bracket 3 is further simplified.

In a possible implementation, the flexible substrate 33 and the flexible roof panel 1 have the same waterproof layer material on the upper surface and are connected together by hot air welding. By adopting the technical scheme, the hot air welding between the flexible base plate 33 and the flexible roof panel 1 is reliable, the structure of the flexible roof panel 1 is not damaged, and the waterproof performance of the flexible roof panel 1 can be ensured.

In one example the flexible substrate 33 and the flexible roofing panel 1 may both be of PVC, TPO or modified asphalt type material.

In a possible implementation, referring to fig. 1 to 6, the first connection hole 32 and the second connection hole extend perpendicular to the flexible roof panel 1, at least one photovoltaic module 2 is connected to one protruding portion 31, and the frame 21 of the photovoltaic module 2 is located above the protruding portion 31.

When the number of the photovoltaic modules 2 connected to one protruding portion 31 is two or more, a plurality of first connection holes 32 may be correspondingly formed in the protruding portion 31, and the frame 21 of each photovoltaic module 2 is overlapped on the upper surface of the protruding portion 31; alternatively, the protruding portion 31 may have only one first connection hole 32, and the frames 21 of the plurality of photovoltaic modules 2 are sequentially stacked on the protruding portion 31.

In one example, referring to fig. 5 and 6, at least two photovoltaic modules 2 are connected to one boss portion 31, and the upper surface of the boss portion 31 has a limiting protrusion 34 located between the at least two photovoltaic modules 2. This spacing arch 34 can be convenient for photovoltaic module 2's installation location to, can play the effect of backstop buffering, avoid two adjacent frames to bump the condition that leads to photovoltaic module to damage under the windy or other external force conditions. For example, the size of the first connecting hole 32 and the second connecting hole may be designed such that the frame 21 abuts on the position restricting protrusion 34 when the first connecting hole and the second connecting hole correspond to each other.

For example, at least one photovoltaic module 2 may be connected to both sides of one of the stopper protrusions 34, respectively.

In one example, the frame 21 may include an extension plate, the second connection hole is located on the extension plate, and the extension plate may be located directly under the battery plate 22 of the photovoltaic module 2 and have a gap with the battery plate 22, and the gap may receive an end of the fastener 4.

In a possible implementation manner, referring to fig. 7 to 10, the protruding portion 31 has a limiting portion, the extending directions of the first connecting hole 32 and the second connecting hole are both parallel to the flexible roof panel, and the first connecting hole 32 penetrates through the limiting portion. With this technical solution, the fastening member 4 passes through the first connection hole 32 and the second connection hole, thereby connecting the frame 21 and the stopper portion together, that is, connecting the frame 21 and the boss portion 31 together. The degree of freedom of the frame 21 in the extending direction of the first connection hole 32 is limited by the limiting portion.

In one example, referring to fig. 7 to 10, the position-limiting portion may be a groove, and the first connection hole 32 penetrates through the groove. Under the condition of adopting this technical scheme, frame 21 stretches into in the recess, and the diapire of recess bears frame 21, and first connecting hole 32 and second connecting hole align the back, and fastener 4 passes first connecting hole 32 and second connecting hole to be in the same place frame 21 and bellying 31 connection, the degree of freedom of frame 21 in the direction that first connecting hole 32 extends is restricted by two lateral walls of recess.

In a possible embodiment, as shown in fig. 9 and 10, at least two photovoltaic modules 2 can be connected to one of the limiting portions.

For example, the limiting portions may be grooves, and one groove may accommodate the frames 21 of two photovoltaic modules 2.

For example, the limiting portion may be a protrusion, the first connection holes 32 are located on the protrusion, and the two photovoltaic modules 2 are symmetrically located on two sides of one first connection hole 32 so as to be connected to the protrusion.

Or, the limiting part may be a groove, and one groove may accommodate the frame 21 of one photovoltaic module 2.

In one possible implementation, the first connection holes 32 may each be a stepped hole including a small diameter portion and a large diameter portion, and the fastener 4 may include a bolt 41 and a nut 42; wherein,

in one example, the number of the large diameter portion is one, the screw of the bolt 41 extends into the small diameter portion, and the head of the bolt 41 is located inside the large diameter portion and is shape-fitted to the large diameter portion. At this time, the bolt 41 may pass through the first connection hole 32 and the second connection hole in sequence, the screw of the bolt 41 extends out of the second connection hole and then is connected with the nut 42, the head of the bolt 41 is located in the large-diameter portion, so that the flexible substrate 33 can be attached to the flexible roof panel 1 conveniently, and the head of the bolt 41 is matched with the large-diameter portion in shape, so that the nut 42 can be screwed conveniently.

The mounting bracket 3 and the photovoltaic module 2 can be connected together by the fastener 4, and then the photovoltaic module 2 can be taken to the roof, so that the flexible substrate 33 and the flexible roof panel 1 are connected together. The whole installation process is simple, convenient and quick, and the construction efficiency is high. After the bolts 41 pass through the first connection holes 32, the mounting bracket 3 may be connected to the flexible roof panel 1, at this time, the heads of the bolts 41 are accommodated in the large-diameter portions in a shape-fitting manner, and then the photovoltaic module 2 and the mounting bracket 3 are connected together, and during the connection process, the bolts 41 are limited by the large-diameter portions and cannot rotate, so that the nuts 42 are conveniently screwed.

Or, in another example, the number of large diameter portions is one, and the nut 42 is located inside the large diameter portion and is shape-fitted to the large diameter portion. At this time, the nut 42 may be first placed in the large diameter portion with a form fit, the bolt 41 is sequentially passed through the second connection hole and the first connection hole 32, and the bolt 41 is rotated to connect the screw with the nut 42.

The mounting bracket 3 and the photovoltaic assembly 2 can be connected together by using the fastener 4, and then the photovoltaic assembly 2 is taken to the roof, so that the flexible substrate 33 and the flexible roof panel 1 are connected together; the whole installation process is simple, convenient and quick, and the construction efficiency is high. Or the mounting bracket 3 can be connected to the flexible roof panel 1 first, and then the photovoltaic module 2 and the mounting bracket 3 are connected together.

Or, in another example, the number of the large diameter portions is two, and the large diameter portions are respectively located at two ends of the small diameter portion, and the heads of the nut and the bolt are respectively located in the two large diameter portions, wherein one of the two large diameter portions is matched with the corresponding large diameter portion in shape, and the other one of the two large diameter portions has a gap with the corresponding large diameter portion, so that the screwing tool can be conveniently stretched into the gap for screwing. For example, the head of the bolt 41 is matched with the shape of the large diameter part, the bolt 41 cannot rotate, and the nut 42 can be rotated into the corresponding large diameter part by screwing the nut 42 by a screwing tool; alternatively, for example, the nut 42 is shape-fitted with a large diameter portion so as not to be turned, and the head of the bolt 41 may be rotated into the corresponding large diameter portion, and when the bolt 41 is to be rotated into position by a screwing tool, the head of the bolt 41 may be entered into the large diameter portion. The heads of the nut 42 and the bolt 41 are hidden in the large diameter part, so that the appearance of the roof is more attractive.

It should be noted that, when the number of the large diameter portions is one, and the extending direction of the first connection hole 32 is perpendicular to the flexible roof panel 1, the large diameter portion may be close to the flexible roof panel, and the small diameter portion may be far away from the flexible roof panel 1, at this time, the large diameter portion may accommodate the head of the nut or the bolt, and the head of the nut or the bolt may be prevented from being sandwiched between the flexible base plate 33 and the flexible roof panel 1, so that the flexible base plate 33 may be stably stacked on the flexible roof panel 1, and the connection stability between the two is ensured.

In another possible implementation, the first connection hole 32 may be an internally threaded hole, and the fastener 4 has an external thread extending into the first connection hole 32 to be threadedly coupled with the first connection hole 32.

The present application further provides a photovoltaic building roof, which is shown in fig. 11 and 12 and includes a flexible roof panel 1, a mounting bracket 3, a photovoltaic module 2, and a fastener 4, where the mounting bracket 3 includes a flexible base plate 33 and a protruding portion 31, the flexible base plate 33 is stacked on the upper surface of the flexible roof panel 1 and is hermetically connected to the flexible roof panel 1, the protruding portion 31 is connected to the upper surface of the flexible base plate 33, the protruding portion 31 has a first connection hole 32, and an extending direction of the first connection hole 32 is perpendicular to the flexible roof panel 1; photovoltaic building roof still includes briquetting 5, and briquetting 5 includes connecting plate, curb plate and clamp plate, and the curb plate is connected between connecting plate and clamp plate, and the connecting plate is located the below of clamp plate, and the clamp plate is pressed and is put on photovoltaic module 2's frame 21, and the connecting plate has the third connecting hole that corresponds with first connecting hole 32, and fastener 4 passes first connecting hole 32 and third connecting hole in order to link together briquetting 5 and frame 21. Under the condition of adopting the technical scheme, in the extending direction of the first connecting hole 32, the frame 21 is clamped between the pressing plate and the boss 31, and the degree of freedom of the frame 21 in the direction perpendicular to the first connecting hole 32 can be limited by the friction force between the frame 21 and the pressing plate and between the frame 21 and the boss 31, so that the installation and the positioning of the photovoltaic assembly 2 can be realized.

In one example, the upper surface of the protruding portion 31 has a stop block 311 spaced apart from the first connection hole, and the stop block 311 and the fastening member 4 are located on both sides of the bezel 21. With this technical solution, in a direction perpendicular to the first connection hole 32, the frame 21 is sandwiched between the stopper 311 and the pressing block 5, and the stopper 311 and the pressing block 5 perform a limiting function on the frame 21.

In an example, the protruding portions may be two, the symmetric distribution is on both sides of one first connection hole 32, the frame 21 of two photovoltaic modules 2 can be held in the interval between two protruding portions, the pressing block 5 includes a connection plate, two side plates and two pressing plates, the connection plate is connected between two side plates, form a structure with two side plates whose cross section is U-shaped, the two pressing plates are respectively connected at one ends of two side plates that deviate from the connection plate, the connection plate is located between two photovoltaic modules 2, the two pressing plates are respectively pressed on the frames 21 of two adjacent photovoltaic modules 2, the connection plate has a third connection hole corresponding to the first connection hole 32, and the fastener 4 passes through the first connection hole 32 and the third connection hole to connect the pressing block 5 and the frames 21 together. The U-shaped structure can separate the two photovoltaic modules 2, and extrusion between the photovoltaic modules 2 is avoided.

In addition, the flexible base plate 33 is stacked on the flexible roof panel 1, and is flexible, so that damage to the flexible roof panel 1 can be reduced, and sealing connection between the flexible roof panel 1 and the flexible roof panel can be realized without damaging the flexible roof panel 1; the bulge 31 is directly connected with the frame 21 of the photovoltaic module 2 through the pressing block 5 and the fastening piece 4, so that the photovoltaic module 2 is simple and firm to install, construction can be simpler, and construction efficiency is improved.

In a possible implementation, the projected area of the protruding portion 31 on the flexible roof panel 1 is smaller than the projected area of the flexible base plate 33 on the flexible roof panel 1. Under the condition of adopting this technical scheme, because compare in flexible base plate 33, bellying 31 is harder and the area is less, if bellying 31 directly carries out hot-blast welding with flexible roof boarding 1, the operation is more difficult, and it is less to connect the cross section, joint strength is little, consequently, make flexible roof boarding 1 and flexible base plate 33 lug connection, it is great to connect the cross section between the two, the junction between the two can bear great pulling force, reduce flexible roof boarding 1 because of the great and destroyed risk of pulling force, the life on extension photovoltaic building roof.

In a possible embodiment, the mounting bracket 3 may be an integrally formed part. Thus, the boss 31 and the flexible board 33 are made of the same material, and the entire structure of the mounting bracket 3 is simplified.

In one example, the flexible substrate 33 and the flexible roofing panel 1 may be both PVC, TPO, or modified asphalt-based material.

In one possible implementation, the first connection holes 32 may each be a stepped hole, including a small diameter portion and a large diameter portion adjacent to the flexible roof panel 1, and the fastener 4 may include a bolt 41 and a nut 42; wherein,

in one example, the shank of the bolt 41 extends into the small diameter portion, and the head of the bolt 41 is located within and form fits with the large diameter portion. At this time, the bolt 41 may pass through the first connection hole 32 and the third connection hole in sequence, the screw of the bolt 41 extends out of the third connection hole and then is connected with the nut 42, the head of the bolt 41 is located in the large-diameter portion, so that the flexible substrate 33 can be attached to the flexible roof panel 1 conveniently, and the head of the bolt 41 is matched with the large-diameter portion in shape, so that the nut 42 can be screwed conveniently. Wherein, both can utilize fastener 4 and briquetting 5 earlier with installing support 3 and photovoltaic module 2 connected together after, take photovoltaic module 2 to the roof again, make flexible base plate 33 and flexible roof boarding 1 link together. The whole installation process is simple, convenient and quick, the construction efficiency is high, and the time of constructors waiting on the roof is also reduced. After the bolts 41 pass through the first connection holes 32, the mounting bracket 3 may be connected to the flexible roof panel 1, at this time, the heads of the bolts 41 are accommodated in the large-diameter portions in a shape-fitting manner, and then the photovoltaic module 2 and the mounting bracket 3 are connected together, and during the connection process, the bolts 41 are limited by the large-diameter portions and cannot rotate, so that the nuts 42 are conveniently screwed.

Or, in another example, the nut 42 is located within and form-fits the large diameter portion. At this time, the nut 42 may be first placed in the large diameter portion with a form fit, the bolt 41 is sequentially passed through the third connection hole and the first connection hole 32, and the bolt 41 is rotated to connect the screw with the nut 42. The mounting bracket 3 and the photovoltaic assembly 2 can be connected together by using the fastener 4, and then the photovoltaic assembly 2 is taken to the roof, so that the flexible substrate 33 and the flexible roof panel 1 are connected together; the whole installation process is simple, convenient and quick, the construction efficiency is high, and the time of constructors waiting on the roof is also reduced. Or the mounting bracket 3 can be connected to the flexible roof panel 1 first, and then the photovoltaic module 2 and the mounting bracket 3 are connected together.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A photovoltaic building roof is characterized by comprising a flexible roof panel, a mounting bracket, a photovoltaic assembly and a fastener, wherein the mounting bracket comprises a flexible substrate and a convex part,

the flexible base plate is superposed on the upper surface of the flexible roof plate and is in sealing connection with the flexible roof plate, the bulge part is connected to the upper surface of the flexible base plate, and the bulge part is provided with a first connecting hole;

the frame of the photovoltaic assembly is provided with a second connecting hole, and the fastener penetrates through the first connecting hole and the second connecting hole so as to connect the lug boss and the photovoltaic assembly together.

2. The photovoltaic building roof according to claim 1, wherein a projected area of the raised portion on the flexible roofing panel is smaller than a projected area of the flexible substrate on the flexible roofing panel.

3. The photovoltaic building roof of claim 1, wherein the raised portion and the flexible substrate are connected by a chamfer or smooth transition.

4. The photovoltaic building roof according to claim 1, wherein the raised portion has a rigidity greater than a rigidity of the flexible substrate.

5. The photovoltaic building roof according to claim 4, wherein the mounting bracket is an integrally formed piece.

6. The photovoltaic building roof according to claim 1, wherein the flexible substrate and the flexible roof panel have the same waterproof layer material on the upper surface and are connected together by hot air welding.

7. The photovoltaic building roof according to claim 1, wherein the first connecting hole and the second connecting hole extend in a direction perpendicular to the flexible roof panel, at least one of the photovoltaic modules is connected to one of the protruding portions, and a frame of the photovoltaic module is located above the protruding portion.

8. The photovoltaic building roof according to claim 7, wherein at least two of the photovoltaic modules are connected to one of the raised portions, and a limiting protrusion is provided on an upper surface of the raised portion between the at least two of the photovoltaic modules.

9. The photovoltaic building roof according to claim 1, wherein the protruding portion has a limiting portion, the first connection hole and the second connection hole extend in a direction parallel to the flexible roof panel, and the first connection hole penetrates through the limiting portion.

10. The photovoltaic building roof according to claim 9, wherein at least two photovoltaic modules are connected to one of the retaining portions.

11. The photovoltaic building roof according to any one of claims 1-10, wherein the first connection hole is a stepped hole comprising a small diameter portion and a large diameter portion, the fastener comprises a bolt and a nut; wherein,

the number of the large diameter part is one, a screw rod of the bolt extends into the small diameter part, and the head of the bolt is positioned in the large diameter part and matched with the large diameter part in shape;

or, the number of the large diameter part is one, and the nut is positioned in the large diameter part and matched with the large diameter part in shape;

or, the number of the large diameter parts is two, the two large diameter parts are respectively positioned at two ends of the small diameter part, the heads of the nut and the bolt are respectively positioned in the two large diameter parts, one of the large diameter parts is matched with the corresponding large diameter part in shape, and a gap is formed between the other large diameter part and the corresponding large diameter part, so that a screwing tool can extend into the gap to be screwed conveniently.

12. A photovoltaic building roof is characterized by comprising a flexible roof panel, a mounting bracket, a photovoltaic assembly and a fastener, wherein the mounting bracket comprises a flexible substrate and a convex part,

the flexible base plate is superposed on the upper surface of the flexible roof plate and is in sealing connection with the flexible roof plate, the bulge part is connected to the upper surface of the flexible base plate, the bulge part is provided with a first connecting hole, and the extending direction of the first connecting hole is perpendicular to the flexible roof plate;

the photovoltaic building roof also comprises a pressing block, the pressing block comprises a connecting plate, a side plate and a pressing plate,

the side plate is connected between the connecting plate and the pressing plate, the connecting plate is positioned below the pressing plate, the pressing plate is pressed on the frame of the photovoltaic assembly,

the connecting plate is provided with a third connecting hole corresponding to the first connecting hole, and the fastener penetrates through the first connecting hole and the third connecting hole to connect the pressing block and the frame together.

13. The photovoltaic building roof according to claim 12, wherein a projected area of the raised portion on the flexible roofing panel is smaller than a projected area of the flexible substrate on the flexible roofing panel; the bulge part and the flexible substrate are connected in a chamfering mode or a smooth transition mode;

the rigidity of bellying is greater than the rigidity of flexible base plate, the installing support is integrated into one piece.

14. The photovoltaic building roof according to claim 13, wherein the flexible substrate and the flexible roof panel are made of the same material and are connected together by hot air welding.

15. The photovoltaic building roof according to any of claims 12-14, wherein the first connection hole is a stepped hole comprising a small diameter portion and a large diameter portion adjacent to the flexible roof panel, the fastener comprising a bolt and a nut; wherein,

the screw rod of the bolt extends into the small diameter part, and the head of the bolt is positioned in the large diameter part and matched with the large diameter part in shape;

or the nut is positioned in the large-diameter part and matched with the large-diameter part in shape.