CN219794441U - Building photovoltaic integration roof - Google Patents

Abstract

The utility model provides a building photovoltaic integrated roof, which solves the problems that when the existing photovoltaic integrated roof is used, excessive water flows on the surface of a photovoltaic panel, and too little water is discharged from a water discharge groove which is obliquely arranged, so that leakage is easy to occur from the butt joint position of adjacent photovoltaic panels in rainy days. The utility model comprises purlines transversely arranged on a herringbone building roof, wherein the purlines are arranged at intervals along the extending direction of the inclined plane of the building roof; the upper surface of the purline is fixedly provided with a drainage groove net which is a drainage structure crisscrossed and connected in a through way at a connecting node, and the section of a water groove of the drainage groove net is a U-shaped groove structure with an upper opening; a photovoltaic plate is fixedly installed in each grid gap of the drainage channel net in a sealing mode, and the photovoltaic plate and the drainage channel net are of a herringbone inclined structure on purlines of a building roof.

Description

Building photovoltaic integration roof

Technical Field

The utility model relates to the technical field of building energy conservation, in particular to a building photovoltaic integrated roof.

Background

With the continuous development of photovoltaic power generation technology, roof photovoltaic power stations are also becoming popular. Roof photovoltaic power plants have also evolved from conventional placement of photovoltaic panel sets on roof structures to photovoltaic Building Integrated (BIPV) technology. The photovoltaic building integrated technology is that when a building structure is constructed, the building is not capped, and a photovoltaic panel group is adopted as a roof structure. Therefore, the photovoltaic panel group can be arranged at the top of a building to obtain better illumination, and roof building materials can be saved.

After replacing the traditional building roof structure with the photovoltaic panel group, a corresponding waterproof structure is required to be arranged. At present, the waterproof structure commonly adopted mostly adopts sealing rubber strips to seal and seal edges at the butt joint position of the photovoltaic panel, and is waterproof in a mode of being matched with a water drainage groove with an inclined structure on the inclined plane of the roof. However, this waterproof structure also has the following drawbacks: because only set up the water drainage tank of slope and carry out the drainage on the roof inclined plane for the photovoltaic board is cut apart into the structural style of strip by the water drainage tank of slope setting, under this structural style, although some rainwater can be discharged from the water drainage tank of slope setting, still there is a large amount of rainwater along being the photovoltaic board surface downwardly flowing of strip form, through the butt joint department between one and the photovoltaic board, under long-term sunshine and rainwater corruption, will take place the seepage at the sleet weather after the sealing strip of a certain adjacent photovoltaic board butt joint department is corroded, leads to the house to leak. Therefore, there is still a need for an improvement in the structure of a photovoltaic panel integrated roof to further reduce the flow of water flowing over the surface of the photovoltaic panel after installation thereof, improve the drainage effect of the drainage channel, and reduce the maintenance frequency during use.

Disclosure of Invention

In order to solve the problems that in the prior art, when the existing photovoltaic panel integrated roof is used, water flowing through the surface of the photovoltaic panel is excessive, and water discharged from a water discharge groove which is obliquely arranged is too low, so that leakage is easy to occur from a butt joint position of adjacent photovoltaic panels in rainy days, the utility model provides a building photovoltaic integrated roof.

The technical scheme of the utility model is as follows: the building photovoltaic integrated roof comprises purlines transversely arranged on a herringbone building roof, wherein the purlines are arranged at intervals along the extending direction of an inclined plane of the building roof;

the upper surface of the purline is fixedly provided with a drainage groove net which is a drainage structure crisscrossed and connected in a through way at a connecting node, and the section of a water groove of the drainage groove net is a U-shaped groove structure with an upper opening;

a photovoltaic plate is fixedly installed in each grid gap of the drainage channel net in a sealing mode, and the photovoltaic plate and the drainage channel net are of a herringbone inclined structure on purlines of a building roof.

Preferably, the drainage tank network comprises a plurality of inclined tank beams which are arranged left and right, extend along the front-back direction and are obliquely arranged from front to back and from top to bottom, and the inclined tank beams are provided with first water guide tanks which extend along the extending direction, wherein the first water guide tanks are open at the upper part and are of a front-back penetrating structure;

the inclined groove beam is provided with converging grooves which are arranged at intervals from front to back, the converging grooves are of a left-right through structure, and the converging grooves are communicated with the first water guide groove;

a plurality of transverse groove beams are arranged between the left and right adjacent chute beams at intervals along the front-rear direction, the transverse groove beams extend along the left and right directions, the transverse groove beams are of U-shaped channel steel structures with upper openings, the end parts of the transverse groove beams are inserted into the first water guide grooves, and the end parts of the transverse groove beams are fixedly connected with the inner walls of the first water guide grooves in a sealing manner;

the left side and the right side of the photovoltaic plate are fixedly connected with the chute beams in a sealing way, and the front side and the rear side of the photovoltaic plate are fixedly connected with the transverse chute beams in a sealing way.

Preferably, the chute beam comprises a chute bottom plate which extends along the front-back direction and is obliquely arranged from front to back and from top to bottom;

the inclined beam bottom plate is provided with two vertical partition plates which are arranged at intervals left and right, extend along the front-back direction and are obliquely arranged from front to back and from top to bottom;

a first water guide groove is formed between the left vertical partition plate and the right vertical partition plate and the inclined beam bottom plate, a converging notch is formed in the vertical partition plate, and the bottom of the converging notch is higher than the bottom of the first water guide groove;

the left end and the right end of the inclined beam bottom plate extend to the left side and the right side of the two vertical partition plates to form wing plates, and the left end and the right end of the photovoltaic plate are lapped on the wing plates;

the wing plates of the left and right adjacent oblique beam bottom plates are fixedly provided with transverse supports, and the transverse beams are fixedly arranged on the transverse supports.

Preferably, the outside top of two perpendicular baffles is fixed and is equipped with the blank holder slat, and the both ends are inserted and are established between pterygoid lamina and the blank holder board that is close to about the photovoltaic board, are equipped with first joint strip between blank holder slat and the photovoltaic board.

Preferably, the gaps between the photovoltaic panel and the wing plates and between the photovoltaic panel and the transverse supports are filled with sealing rubber pads.

Preferably, the transverse support comprises a transverse support bottom plate extending along the left-right direction, and transverse support rib plates extending along the left-right direction are fixedly arranged on the transverse support bottom plate, and the transverse support bottom plate and the transverse support rib plates are of an inverted T-shaped plate structure;

the left end and the right end of the transverse supporting bottom plate are lapped on the wing plates of the chute beam, the left end and the right end of the transverse supporting bottom plate are fixedly connected with the wing plates of the chute beam, and the transverse chute beam is fixedly arranged at the top of the transverse supporting rib plate;

the sealing rubber pad is arranged at the left side and the right side of the horizontal supporting rib plate, and the end part of the sealing rubber pad, which is close to the horizontal supporting rib plate, is pressed on the horizontal supporting bottom plate.

The utility model has the advantages that: the criss-cross water drainage tank net is used as the installation skeleton of photovoltaic board for this device is when using, and a portion rainwater is direct to be discharged along criss-cross water drainage tank net, and another part falls the rainwater on the photovoltaic board when flowing down, and criss-cross water drainage tank net also can directly introduce the rainwater of flowing down to two photovoltaic board butt joints department into water drainage tank, makes the rainwater volume that falls on the photovoltaic board reduce at the in-process layer of flowing down, has reduced the water yield of flowing through on the photovoltaic board surface, will flow through the rivers of two photovoltaic board butt joints department simultaneously and directly lead out through water drainage tank net, can prevent that rivers from collecting in this department, further reduces the seepage risk of photovoltaic board butt joint department.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic plan view of a roof slope of one side in embodiment 1 in plan view;

FIG. 2 is a schematic view of a partial structure of the chute beam at the junction of the chute beam and the cross beam of FIG. 1;

FIG. 3 is a schematic view of a partial structure (left view angle) of the connection of the diagonal and transverse beams of FIG. 1;

FIG. 4 is a schematic perspective view of the cross brace of FIG. 3;

FIG. 5 is a schematic perspective view of a cross beam;

in the figure, 1, purlin, 2, chute beams, 201, chute bottom plates, 202, vertical partition plates, 203, blank pressing laths, 204, converging notch, 205, first water guiding grooves, 206, expansion bolt holes, 207, first internal screw holes, 208, first sealing rubber strips, 3, photovoltaic plates, 4, expansion bolts, 5, transverse supports, 501, transverse support bottom plates, 502, transverse support rib plates, 503, first screw holes, 504, second internal screw holes, 6, transverse groove beams, 7 and sealing rubber pads.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

Example 1: the utility model provides a building photovoltaic integration roof, includes the purlin 1 of transversely setting at chevron shape building roof, purlin 1 along the inclined plane extending direction interval arrangement of building roof, as shown in fig. 1, is the plane structure schematic diagram of the overlooking angle of the roof inclined plane of one of them side in this embodiment.

The upper surface of the purline 1 is fixedly provided with a drainage groove net, the drainage groove net is a drainage structure which is criss-cross and is in through connection at a connecting node, and the section of a water tank of the drainage groove net is a U-shaped groove structure with an upper opening.

A photovoltaic plate 3 is fixedly installed in each grid gap of the drainage channel net in a sealing mode, and the photovoltaic plate 3 and the drainage channel net are of a herringbone inclined structure on purlines 1 of a building roof.

Specifically, as shown in fig. 2 and 3, the drainage channel net includes a plurality of diagonal channel beams 2 provided in the left and right, the diagonal channel beams 2 extending in the front-rear direction and being inclined from the front to the rear, from the top to the bottom, the diagonal channel beams 2 including diagonal channel floors 201, the diagonal channel floors 201 extending in the front-rear direction and being inclined from the front to the rear, from the top to the bottom.

The oblique beam bottom plate 201 is provided with two vertical separation plates 202 which are arranged at intervals left and right, and the vertical separation plates 202 extend along the front-back direction and are obliquely arranged from front to back and from top to bottom.

A first water guide groove 205 is formed between the left and right vertical partition plates 202 and the inclined beam bottom plate 201, and the first water guide groove 205 is an upper opening and front and rear penetrating structure.

Set up a plurality of converging notch 204 that set up along fore-and-aft direction interval on erecting baffle 202, converging notch 204 is controlling penetrating structure, and converging notch 204 and first guiding gutter 205 intercommunication, and converging notch 204's bottom is higher than first guiding gutter 205's bottom (converging notch 204 in the flow little, and first guiding gutter 205 in the flow is big, prevents converging notch 204 and when first guiding gutter 205's bottom parallel and level set up, takes place the phenomenon of flowing backward, influences the drainage effect).

The top of the outer side of the two vertical separation plates 202 is fixedly provided with a blank holder plate 203, and the blank holder plate 203 is used for covering the edges of the left side and the right side of the photovoltaic panel 3.

The left and right ends of the oblique beam soleplate 201 extend to the left and right outer sides of the two vertical partition plates 202 to form wing plates, the left and right ends of the photovoltaic panel 3 are inserted between the adjacent wing plates and the edge pressing strip plates 203, and a first sealing adhesive tape 208 is arranged between the edge pressing strip plates 203 and the photovoltaic panel 3.

The wing plate is provided with an up-down through expansion bolt hole 206 and a first internal screw hole 207. As shown in fig. 3, an expansion bolt 4 for fixedly connecting with the purline 1 is inserted into the expansion bolt hole 206.

As shown in fig. 4, the cross brace 5 is fixedly arranged on the wing plates of the left and right adjacent diagonal beam bottom plates 201, the cross brace 5 comprises a cross brace bottom plate 501 extending along the left and right directions, a cross brace rib plate 502 extending along the left and right directions is fixedly arranged on the cross brace bottom plate 501, and the cross brace bottom plate 501 and the cross brace rib plate 502 are in an inverted T-shaped plate structure.

The left and right ends of the transverse supporting bottom plate 501 are lapped on the wing plates of the chute beam 2, and the left and right ends of the transverse supporting bottom plate 501 are fixedly connected with the wing plates of the chute beam 2. Specifically, as shown in fig. 2, 3 and 4, the end of the transverse supporting base plate 501 is provided with a first nail hole 503 penetrating from top to bottom, the first nail hole 503 corresponds to the first internal screw hole 207 from top to bottom, a first screw is inserted into the first nail hole 503 and the first internal screw hole 207, and the first screw is in threaded connection with the first internal screw hole 207.

The top of the cross brace rib plate 502 is fixedly provided with a cross beam 6 extending along the left-right direction, specifically, as shown in fig. 3 and 4, the top of the cross brace rib plate 502 is provided with a plurality of second internal screw holes 504 along the left-right direction at intervals, the bottom of the cross beam 6 is provided with a plurality of second screw holes penetrating up and down along the left-right direction at intervals, the second screw holes correspond to the second internal screw holes 504 up and down, second screw holes are inserted into the second internal screw holes 504, and the second screw is in threaded connection with the second internal screw holes 504.

The transverse groove beam 6 is of an upper-opening U-shaped channel steel structure, the end part of the transverse groove beam 6 is inserted into the first water guide groove 205, and sealing foam glue is filled between the end part of the transverse groove beam 6 and a gap of the inner wall of the first water guide groove 205.

As shown in fig. 3, gaps between the photovoltaic panel 3 and the wing plates and between the photovoltaic panel and the cross supports 5 are filled with sealing rubber pads 7. The sealing rubber pads 7 are provided on the left and right sides of the cross brace rib 502, and the ends of the sealing rubber pads 7 near the cross brace rib 502 are pressed against the cross brace floor 501.

The bottom of photovoltaic board 3 is pressed in sealing rubber pad 7, and the clearance between sealing rubber pad 7 and the blank holder board 203 is slightly less than photovoltaic board 3's edge thickness to make sealing rubber pad 7, first joint strip 208 all be in the concave state after the installation is accomplished, in order to improve the sealing performance of photovoltaic board 3 edge.

The front and rear side edges of the photovoltaic panel 3 are pressed on the transverse supporting base plates 501 on the front and rear sides of the transverse supporting rib plates 502, and sealing rubber pads 7 are also arranged on the transverse supporting base plates 501.

The gaps between the front side and the rear side of the photovoltaic panel 3 and the transverse groove beams 6 are filled with sealing foam glue.

Working principle: in operation, a portion of the rainwater is drained directly down the roof along the first water guide channels 205 on the chute beams 2, the first water guide channels 205 being the primary channels for drainage.

The other part of rainwater falling on the photovoltaic panels 3 falls into the U-shaped grooves of the cross beam 6 when flowing downwards to the butt joint position of the two photovoltaic panels 3, and flows leftwards and rightwards to be discharged into the first diversion trench 201 after being guided by the U-shaped grooves of the cross beam 6.

The U-shaped groove of the transverse groove beam 6 is an auxiliary branch channel for drainage, the U-shaped groove of the transverse groove beam 6 reduces the rainwater amount falling on the photovoltaic panel 3 in the downward flowing process, and the rainwater amount is discharged in the first water guide groove 205 which is taken as a main channel, so that the water amount flowing on the surface of the photovoltaic panel 3 is reduced, and meanwhile, the water flow flowing at the butt joint position of the two photovoltaic panels 3 is directly led out through the transverse groove beam 6, so that the water flow can be prevented from being collected at the butt joint position, and the leakage risk of the butt joint position of the photovoltaic panels 3 is further reduced.

The first joint strip 208, the sealing rubber pad 7 and the sealing foam glue which are installed at each gap are matched, so that the anti-seepage effect of the device is stronger. Meanwhile, the first sealing rubber strip 208 and the sealing rubber pad 7 also have the effect of increasing the friction force at the connection part of the end part of the photovoltaic panel 3 and other parts, so that the stability of the photovoltaic panel 3 is stronger.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a building photovoltaic integration roof which characterized in that: the purlins (1) are transversely arranged on the herringbone building roof, and the purlins (1) are arranged at intervals along the extending direction of the inclined plane of the building roof;

the upper surface of the purline (1) is fixedly provided with a drainage groove net, the drainage groove net is a drainage structure which is criss-cross and is connected in a through way at a connecting node, and the section of a water groove of the drainage groove net is a U-shaped groove structure with an upper opening;

a photovoltaic plate (3) is fixedly installed in each grid gap of the drainage channel net in a sealing mode, and the photovoltaic plate (3) and the drainage channel net are of a herringbone inclined structure on purlines (1) of a building roof.

2. A building photovoltaic integrated roof as claimed in claim 1, wherein: the drainage channel network comprises a plurality of chute beams (2) which are arranged left and right, wherein the chute beams (2) extend along the front-back direction and are obliquely arranged from front to back and from top to bottom, the chute beams (2) are provided with first water guide channels (205) which extend along the extending direction, and the first water guide channels (205) are open at the upper part and have a front-back penetrating structure;

the inclined groove beam (2) is provided with converging grooves (204) which are arranged at intervals from front to back, the converging grooves (204) are of a left-right through structure, and the converging grooves (204) are communicated with the first water guide groove (205);

a plurality of transverse groove beams (6) which are arranged at intervals along the front-rear direction are arranged between the left and right adjacent oblique groove beams (2), the transverse groove beams (6) extend along the left-right direction, the transverse groove beams (6) are of U-shaped channel steel structures with upper openings, the end parts of the transverse groove beams (6) are inserted into the first water guide grooves (205), and the end parts of the transverse groove beams (6) are fixedly connected with the inner walls of the first water guide grooves (205) in a sealing manner;

the left side and the right side of the photovoltaic plate (3) are fixedly connected with the inclined groove beam (2) in a sealing way, and the front side and the rear side of the photovoltaic plate (3) are fixedly connected with the transverse groove beam (6) in a sealing way.

3. A building photovoltaic integrated roof as claimed in claim 2, wherein: the inclined groove beam (2) comprises an inclined beam bottom plate (201), wherein the inclined beam bottom plate (201) extends along the front-back direction and is obliquely arranged from front to back and from top to bottom;

two vertical partition plates (202) which are arranged at intervals left and right are arranged on the inclined beam bottom plate (201), and the vertical partition plates (202) extend along the front-back direction and are obliquely arranged from front to back and from top to bottom;

a first water guide groove (205) is formed between the left vertical partition plate (202) and the right vertical partition plate and the inclined beam bottom plate (201), a converging notch (204) is formed in the vertical partition plate (202), and the bottom of the converging notch (204) is higher than the bottom of the first water guide groove (205);

the left end and the right end of the oblique beam bottom plate (201) extend to the left side and the right side of the two vertical partition plates (202) to form wing plates, and the left end and the right end of the photovoltaic panel (3) are lapped on the wing plates;

a transverse support (5) is fixedly arranged on wing plates of the left and right adjacent oblique beam bottom plates (201), and a transverse groove beam (6) is fixedly arranged on the transverse support (5).

4. A building photovoltaic integrated roof as claimed in claim 3, wherein: the top outside of two perpendicular baffles (202) is fixed to be equipped with blank holder slat (203), and the both ends are inserted and are established between pterygoid lamina and blank holder board (203) that are close to about photovoltaic board (3), are equipped with first joint strip (208) between blank holder slat (203) and photovoltaic board (3).

5. A building photovoltaic integrated roof as claimed in claim 3 or 4, wherein: and sealing rubber pads (7) are filled in gaps between the photovoltaic panel (3) and the wing plates and gaps between the photovoltaic panel and the transverse supports (5).

6. A building photovoltaic integrated roof as claimed in claim 5, wherein: the transverse support (5) comprises a transverse support bottom plate (501) extending along the left-right direction, a transverse support rib plate (502) extending along the left-right direction is fixedly arranged on the transverse support bottom plate (501), and the transverse support bottom plate (501) and the transverse support rib plate (502) are of an inverted T-shaped plate structure;

the left end and the right end of the transverse supporting bottom plate (501) are lapped on the wing plates of the chute beam (2), the left end and the right end of the transverse supporting bottom plate (501) are fixedly connected with the wing plates of the chute beam (2), and the transverse chute beam (6) is fixedly arranged at the top of the transverse supporting rib plate (502);

the sealing rubber pads (7) are arranged on the left side and the right side of the transverse supporting rib plate (502), and the end parts, close to the transverse supporting rib plate (502), of the sealing rubber pads (7) are pressed on the transverse supporting bottom plate (501).