CN220868618U

CN220868618U - Waterproof assembly structure of BIPV photovoltaic roofing

Info

Publication number: CN220868618U
Application number: CN202322440111.1U
Authority: CN
Inventors: 李延泉; 李小龙; 黄思凯; 黄文强; 李俊文
Original assignee: Xiamen Donggang Intelligent Technology Co ltd
Current assignee: Xiamen Donggang Intelligent Technology Co ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-30
Anticipated expiration: 2033-09-08

Abstract

The utility model discloses a waterproof assembly structure of a BIPV photovoltaic roof, which comprises the following components: the purlines are arranged at least two in a transverse interval manner; the main water tanks are longitudinally arranged above the purlines at intervals; the auxiliary water tank is transversely arranged above the main water tank; the photovoltaic plate is sequentially arranged above the auxiliary water tank, the longitudinal side of the photovoltaic plate is correspondingly positioned above the main water tank, and the transverse side of the photovoltaic plate is correspondingly positioned above the auxiliary water tank; the middle fixing assembly is positioned between the longitudinal edges of two adjacent photovoltaic panels and comprises a connecting piece, a middle pressing block and two fasteners; the edge fixing assembly is positioned on the longitudinal side of the edge photovoltaic panel and used for pressing and fixing the edge photovoltaic panel on the main water tank, and the edge fixing assembly comprises a connecting piece, a fastener and an edge pressing block. The waterproof assembly structure of the BIPV photovoltaic roof is simple in structure and reasonable in design, and is convenient to assemble and good in waterproof performance through the middle fixing assembly and the edge fixing assembly; meanwhile, the structure is compact, and the installation is stable.

Description

Waterproof assembly structure of BIPV photovoltaic roofing

Technical Field

The utility model relates to the technical field of photovoltaic systems, in particular to a waterproof assembly structure of a BIPV photovoltaic roof.

Background

The integrated Photovoltaic Building (BIPV, building INTEGRATED PV, PV, photovoltaics) is a technology for integrating a solar power generation (Photovoltaic) product into a Building, is a solar Photovoltaic power generation system which is designed, constructed and installed simultaneously with the Building and forms perfect combination with the Building, is also called a 'built' and 'Building material' solar Photovoltaic Building, and is used as a part of the external structure of the Building, and has the power generation function, the functions of Building components and Building materials, and even can promote the aesthetic feeling of the Building. Existing BIPV systems suffer from the following drawbacks: some waterproof depends on glue spraying, but glue spraying is easy to age, and the service life is short; the photovoltaic board is direct to punch through bolt-up generally, so can destroy the wholeness of photovoltaic board, and the photovoltaic board needs to punch alone also troublesome, in addition, can increase more clearances, and is higher to waterproof requirement.

In view of this, the present inventors have invented a waterproof assembly structure for a BIPV photovoltaic roofing.

Disclosure of utility model

The utility model aims to provide a waterproof assembly structure of a BIPV photovoltaic roof, which has the advantages of simple and reasonable structural design, good waterproof performance and convenience in assembly.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a waterproof assembly structure for a BIPV photovoltaic roofing, comprising:

The purlines are arranged at least two in a transverse interval manner;

The main water tanks are longitudinally arranged above the purlines at intervals, the cross sections of the main water tanks are M-shaped, the grooves in the middle of the main water tanks form water guide tanks, horizontal supporting parts are arranged on the two sides of the main water tanks in an extending mode beyond the outer sides of the main water tanks, and the supporting parts are fixedly connected with the purlines;

The auxiliary water tank is transversely arranged above the main water tank, and two ends of the auxiliary water tank extend into the main water tanks of two adjacent groups respectively;

The photovoltaic plate is sequentially arranged above the auxiliary water tank, the longitudinal side of the photovoltaic plate is correspondingly positioned above the main water tank, and the transverse side of the photovoltaic plate is correspondingly positioned above the auxiliary water tank;

The middle fixing assembly is positioned between the longitudinal edges of two adjacent photovoltaic panels and is used for fixing the photovoltaic panels on the main water tank in a pressing mode, and the middle fixing assembly comprises a connecting piece, a middle pressing block and two fasteners, and is used for fixing the middle fixing assembly: the connecting pieces are clamped and fixed on two sides of the main water tank, the middle pressing blocks are fixedly connected with the middle parts of the connecting pieces, the middle pressing blocks extend towards the two outer sides to form two middle pressing buckling parts, the two fasteners are respectively positioned between the two middle pressing buckling parts and the connecting pieces, and the fasteners are provided with mounting grooves which are correspondingly clamped with the longitudinal edges of the photovoltaic panels;

The edge fixing assembly is located on the longitudinal side of the edge photovoltaic panel and is fixedly pressed on the main water tank, and comprises a connecting piece, a fastener and an edge pressing block, and the edge fixing assembly comprises: the connecting piece block is fixed in main basin both sides, and edge briquetting is fixed with the connecting piece middle part connection, and the edge briquetting extends towards the outside and is equipped with a horizontal edge and presses knot portion, and the fastener is located between edge and presses knot portion and the connecting piece, and the fastener is equipped with the mounting groove that corresponds block photovoltaic board longitudinal edge.

Further, the both ends of connecting piece are equipped with the trip that all is equipped with downwardly extending, the top of connecting piece is equipped with two protruding archs of lower, forms two draw-in grooves between two archs and the two trip respectively, two draw-in grooves correspond the block at main basin top both ends, the trip is fixed through bolted connection with the both sides of main basin.

Further, the top surface of connecting piece is equipped with boss and antiskid structure, the boss is located the connecting piece middle part, and middle briquetting or marginal briquetting pass through the bolt and are connected fixedly with the boss, antiskid structure is located the both sides of boss.

Further, the middle pressing block is inverted-V-shaped, the middle pressing buckle parts are arranged on two sides of the top end of the middle pressing block, an anti-slip structure is arranged on the bottom surface of the middle pressing buckle part, and the bottom end of the middle pressing block is fixedly connected with the connecting piece.

Further, the cross section of edge briquetting is the reverse Z style of calligraphy approximately, the top horizontal extension of edge briquetting is equipped with edge press knot portion, and the bottom of edge press knot portion is equipped with anti-skidding structure, the middle part of edge briquetting is connected fixedly through bolt and connecting piece, and the bottom surface of edge briquetting is equipped with anti-skidding structure.

Further, the mounting groove is located the top side of fastener, and fastener middle part and lower part are hollow structure, the bottom of fastener extends towards the outside and is equipped with extension, and the notch of extension and mounting groove is located the same side of fastener.

Further, the roof is an inclined roof, and the main water tank extends downwards along the inclined direction of the roof.

Further, the roof bottom edge is equipped with drainage structure, drainage structure includes the water drainage tank of horizontal setting, the drain pipe of being connected with the water drainage tank, the bottom of main basin all extends to the water drainage tank in.

Further, the cross section of water drainage tank is U type, and water drainage tank outside top upwards extends to be higher than the roof surface, and outside top inwards extends and is equipped with back hook portion.

Further, the cross section of the auxiliary water tank is U-shaped, the two ends of the auxiliary water tank are provided with downward extending guide parts, and the guide parts correspondingly extend into the main water tank.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

The waterproof assembly structure of the BIPV photovoltaic roof is simple in structure and reasonable in design, the photovoltaic panels are spliced and fixed in sequence through the middle fixing assembly and the edge fixing assembly, holes are not required to be drilled on the photovoltaic panels, glue is not required to be sprayed at the same time, water flow is directly discharged through the main water tank and the auxiliary water tank, and the waterproof assembly is convenient and fast to assemble and good in waterproof performance; the photovoltaic panel is installed and fixed through the fastener, so that the structure is compact, and meanwhile, the installation is stable; the middle fixing assembly and the edge fixing assembly are universal in multiple parts, so that the production cost is effectively reduced, and the assembly convenience is improved; the drainage structure is simple and reasonable in design, and can collect and discharge water flow in the main water tank, and meanwhile splashing is prevented.

Drawings

FIG. 1 is a schematic view of a waterproof assembly structure of a BIPV photovoltaic roofing in accordance with an embodiment of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an assembled schematic view of an intermediate fixing assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view illustrating an assembly of an edge fixing assembly according to an embodiment of the present utility model;

fig. 5 is a schematic view of a drainage structure according to an embodiment of the utility model.

Reference numerals illustrate:

10-a purlin is provided, wherein,

20-A main water tank, 21-a water guiding tank, 22-a supporting part,

30-An auxiliary water tank, 31-a diversion part,

A 40-volt-age of the photovoltaic panel,

50-Connecting piece, 51-clamping hook, 52-clamping groove, 53-boss,

60-Middle pressing block, 61-middle pressing buckle part,

70-Fasteners, 71-mounting slots, 72-extensions,

80-Edge pressing block, 81-edge pressing buckle part,

90-Drainage structure, 91-drainage tank, 92-drainage pipe, 93-back hook portion.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, in the present utility model, terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element of the present utility model must have a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

The utility model discloses a waterproof assembly structure of a BIPV photovoltaic roof, which is used for Building Integrated Photovoltaic (BIPV) and has the advantages of convenience in assembly and good waterproof effect by matching with figures 1 to 5.

With reference to fig. 1 to 4, a waterproof assembly structure of a BIPV photovoltaic roofing includes a purline 10, a main water tank 20, a sub water tank 30, a photovoltaic panel 40, a middle fixing assembly and an edge fixing assembly.

The purlines 10, at least two purlines 10 are transversely spaced apart. The purlines 10 are part of a roof frame, the extending direction of the purlines 10 is transverse, the number of the purlines 10 is at least two according to actual requirements, and a plurality of purlines 10 are arranged at intervals.

The main water tanks 20, at least two groups of main water tanks 20 are longitudinally arranged above the purline 10 at intervals, the cross section of the main water tanks 20 is M-shaped, a water guide tank 21 is formed in a middle groove of the main water tanks 20, horizontal supporting portions 22 are arranged on the two sides of the main water tanks 20 in an extending mode beyond the outer sides of the main water tanks, and the supporting portions 22 are fixedly connected with the purline 10.

The main water tanks 20 are longitudinally arranged, the number of the main water tanks is at least two according to actual demands, a plurality of groups of main water tanks 20 are arranged at intervals, and the main water tanks 20 and the purlines 10 form criss-cross grid-shaped frames. The cross section of the main water tank 20 is M-shaped, the middle part of the main water tank 20 is provided with a groove extending along the axial direction, the groove is a water guiding tank 21, water flows are converged and discharged along the water guiding tank 21, the supporting parts 22 are respectively positioned at two sides of the bottom end of the main water tank 20, are directly attached to the top end of the purline 10, and are fixedly connected with the purline 10 through bolts. In addition, the middle part of the bottom end of the main water tank 20 is also a plane, the main water tank 20 is flush with the bottom end of the supporting part 22, when the main water tank 20 is fixed on the purline 10, the plane is attached to the top surface of the purline 10, so that the bottom surface of the main water tank 20 is provided with three axial strip-shaped planes attached to the purline 10, and the connection between the main water tank 20 and the purline 10 is more stable.

The auxiliary water tank 30, the auxiliary water tank 30 is transversely arranged above the main water tank 20, and two ends of the auxiliary water tank 30 extend into the adjacent two groups of main water tanks 20 respectively.

The secondary flume 30 is disposed transversely, i.e., in the same direction as the purlin 10. At least one auxiliary water tank 30 is arranged between two adjacent groups of main water tanks 20, and a plurality of auxiliary water tanks 30 are arranged at intervals. The cross section of the auxiliary water tank 30 is U-shaped, and is used for guiding water flow into the main water tank 20, wherein, the two ends of the auxiliary water tank 30 are provided with downward extending diversion portions 31, and the diversion portions 31 correspondingly extend into the main water tank 20.

The photovoltaic panel 40, photovoltaic panel 40 sets gradually in vice basin 30 top, and the longitudinal side of photovoltaic panel 40 corresponds to be located main basin 20 top, and the transverse side of photovoltaic panel 40 corresponds to be located vice basin 30 top.

The photovoltaic panels 40 are rectangular plates, which are arranged in sequence along the longitudinal direction and the transverse direction, the longitudinal sides of the photovoltaic panels 40 are correspondingly positioned above the main water tank 20, namely, the distance between the adjacent main water tanks 20 is just equal to the length of the transverse sides of the photovoltaic panels 40, and water between the longitudinal sides of the adjacent photovoltaic panels 40 flows into the main water tank 20 and is discharged; the lateral sides of the photovoltaic panels 40 are correspondingly positioned above the auxiliary water tanks 30, namely, the distance between the adjacent auxiliary water tanks 30 is just equal to the length of the longitudinal sides of the photovoltaic panels 40, water between the lateral sides of the adjacent photovoltaic panels 40 flows into the auxiliary water tanks 30 to be discharged, and finally, the water is collected into the main water tank 20 to be discharged.

As shown in fig. 3, the middle fixing assembly is located between the longitudinal edges of two adjacent photovoltaic panels 40, and is used for pressing and fixing the photovoltaic panels 40 on the main water tank 20, and the middle fixing assembly comprises a connecting piece 50, a middle pressing block 60 and two fasteners 70, where: the connecting pieces 50 are fastened and fixed on two sides of the main water tank 20, the middle pressing block 60 is fixedly connected with the middle of the connecting pieces 50, the middle pressing block 60 extends towards two outer sides to form two middle pressing buckling parts 61, two fasteners 70 are respectively positioned between the two middle pressing buckling parts 61 and the connecting pieces 50, and the fasteners 70 are provided with mounting grooves 71 which are correspondingly fastened with the longitudinal edges of the photovoltaic panels 40.

The middle fixing component is used for connecting and fixing two adjacent photovoltaic panels 40, longitudinal edges of the two photovoltaic panels 40 are respectively clamped into the mounting grooves 71 of the two fasteners 70, and the two fasteners 70 are pressed and fixed between the connecting piece 50 and the middle pressing block 60, so that the two adjacent photovoltaic panels 40 are connected and fixed. Multiple groups of middle fixing components can be arranged between two adjacent photovoltaic panels 40 to ensure the stable installation of the photovoltaic panels 40. The intermediate fixing assembly is located above the main water tank 20, and the gap water can directly flow into the main water tank 20 to be discharged.

With reference to fig. 4, the edge fixing assembly is located on the longitudinal side of the edge photovoltaic panel 40 and is pressed and fixed on the main water tank 20, and the edge fixing assembly includes a connecting piece 50, a fastener 70 and an edge pressing block 80, where: the connecting pieces 50 are fastened and fixed on two sides of the main water tank 20, the edge pressing blocks 80 are fixedly connected with the middle of the connecting pieces 50, the top ends of the edge pressing blocks 80 extend outwards to form edge pressing buckling parts 81, the fasteners 70 are located between the edge pressing buckling parts 81 and the connecting pieces 50, and the fasteners 70 are provided with mounting grooves 71 which are correspondingly fastened with the longitudinal edges of the photovoltaic panels 40.

The edge photovoltaic panel 40 is a photovoltaic panel 40 located at the edge of the roof, and the edge fixing component is used for pressing and fixing the edge photovoltaic panel 40, and fixing the edge photovoltaic panel 40 by fixing the outer side longitudinal edge (towards the outer side of the roof and fixing the inner side longitudinal edge by the middle fixing component). The longitudinal edges of the photovoltaic panel 40 are clamped into the mounting grooves 71 of the fasteners 70, and the fasteners 70 are pressed and fixed between the connecting piece 50 and the edge pressing block 80, so that the outer longitudinal edges of the edge photovoltaic panel 40 are fixed. Multiple groups of edge fixing assemblies can be arranged on the longitudinal edge of one photovoltaic panel 40 so as to ensure the stable installation of the photovoltaic panel 40. The edge fixing assembly is located above the main water tank 20, and water can directly flow into the main water tank 20 to be discharged.

The connecting piece 50 in the middle fixing assembly and the connecting piece 50 in the edge fixing assembly, the fastener 70 in the middle fixing assembly and the fastener 70 in the edge fixing assembly are actually the same type of components and can be used instead of each other, so that the production and design of the components are more convenient, the cost can be saved, and meanwhile, the waterproof support is more convenient to assemble.

The photovoltaic panel 40 is directly clamped into the mounting groove 71 of the fastener 70 to realize connection and fixation, the photovoltaic panel 40 does not need to be perforated, the assembly is convenient and quick, and meanwhile, the gap is reduced, so that the waterproof effect is better. In addition, the photovoltaic panel 40 is connected and clamped by the fastener 70, the fastener 70 compresses and fixes the fastener 70 by the intermediate pressing block 60 or the edge pressing block 80, the photovoltaic panel 40 is not directly compressed between the intermediate pressing block 60 or the edge pressing block 80 and the connecting piece 50, so that enough space is ensured between the photovoltaic panel 40 and the main water tank 20, the space can accommodate the auxiliary water tank 30, and the vertical side water flow of the photovoltaic panel 40 can flow into the auxiliary water tank 30 and be discharged.

As shown in fig. 3 to 4, the connector 50 is designed as follows: the two ends of the connecting piece 50 are respectively provided with a hook 51 extending downwards, the top end of the connecting piece 50 is provided with two downward convex bulges, two clamping grooves 52 are respectively formed between the two bulges and the two hooks 51, the two clamping grooves 52 are correspondingly clamped at the two ends of the top of the main water tank 20, and the hooks 51 are fixedly connected with the two sides of the main water tank 20 through bolts.

The design of two draw-in grooves 52, with the corresponding block of two archs on the main basin 20 top of M type, realize the quick location installation of connecting piece 50 and main basin 20, the cooperation between the two is also more firm. Screw holes are correspondingly formed in the side face of the clamping hook 51 and the side face of the main water tank 20 respectively, and bolts penetrate through the screw holes of the clamping hook 51 and the main water tank 20 and are locked, so that the connecting piece 50 and the main water tank 20 are connected and fixed. The two protrusions at the top end of the main water tank 20 are processed in a plane so as to be convenient to be matched with the connecting piece 50 and the auxiliary water tank 30.

The top surface of the connecting piece 50 is provided with a boss 53 and an anti-slip structure, the boss 53 is positioned in the middle of the connecting piece 50, and the middle pressing block 60 or the edge pressing block 80 is fixedly connected with the boss 53 through bolts, and the anti-slip structure is positioned on two sides of the boss 53.

The connecting piece 50 is integrally of a sheet-shaped structure, and the middle part of the connecting piece is used for being matched with the middle pressing piece 60 or the edge pressing piece 80 and the fastener 70. Specifically, the top surface and the bottom surface of the middle part of the connecting piece 50 are correspondingly provided with the boss 53, so that a thickened area is formed at the central position of the connecting piece 50, the thickened area is provided with a middle pressing block 60 or an edge pressing block 80 for connecting and fixing, the strength of the thickened area is increased through thickening the area, the connection with the middle pressing block 60 or the edge pressing block 80 is ensured to be more stable, the hollow axis of the thickened area is taken as an axis, the connecting piece 50 is in an axisymmetric structure, and the connecting piece 50 is more balanced and stable in the follow-up matching stress.

The anti-slip structure is provided on both sides of the boss 53 on the top surface of the connection member 50. The anti-slip structure in this embodiment means a structure with uneven surface, so that the surface is rough and non-smooth, and the friction coefficient of the surface is increased, for example, uneven corrugation is designed on the surface, so that the assembly of the anti-slip structure with other parts can be more stable. Specifically, in the middle fixing assembly, the anti-slip structures at two sides of the boss 53 are respectively matched with the bottom surfaces of the two fasteners 70; in the edge fixing assembly, the anti-slip structure on both sides of the boss 53 is engaged with the bottom surface of the fastener 70 on one side and engaged with the bottom surface of the edge pressing block 80 on the other side.

With reference to fig. 3, the intermediate pressure block 60 has the following structure: the middle pressing block 60 is inverted-V-shaped, the middle pressing buckle parts 61 are positioned on two sides of the top end of the middle pressing block 60, an anti-slip structure is arranged on the bottom surface of the middle pressing buckle parts 61, and the bottom end of the middle pressing block 60 is fixedly connected with the connecting piece 50.

The middle part of the bottom end of the middle pressing block 60 is provided with a screw hole, and a bolt passes through the screw hole and the screw hole in the middle part of the connecting piece 50 and is locked, so that the fastener 70 and the photovoltaic panel 40 are tightly pressed and fixed. The middle pressing block 60 has a bilateral symmetry structure, when the fastener 70 is pressed, the top surface of the middle pressing block is tightly attached to the anti-slip structure of the bottom surface of the middle pressing block 61, and the bottom surface is tightly attached to the anti-slip structure of the boss 53 side of the top surface of the connecting piece 50, so that the pressed firmness of the fastener 70 can be effectively enhanced.

With reference to fig. 4, the edge press 80 is specifically configured as follows: the cross section of edge briquetting 80 is the reverse Z style of calligraphy roughly, the top horizontal extension of edge briquetting 80 is equipped with edge press knot portion 81, and the bottom of edge press knot portion 81 is equipped with anti-skidding structure, the middle part of edge briquetting 80 is connected fixedly with connecting piece 50 through the bolt, and the bottom surface of edge briquetting 80 is equipped with anti-skidding structure.

The middle part of the edge pressing block 80 is provided with a screw hole, and a bolt passes through the screw hole and the screw hole at the middle part of the connecting piece 50 and is locked, so that the fastener 70 and the photovoltaic panel 40 are tightly pressed and fixed. When the fastener 70 is pressed, the top surface thereof is tightly attached to the anti-slip structure of the bottom surface of the edge pressing portion 81, and the bottom surface is tightly attached to the anti-slip structure of the boss 53 side of the top surface of the connecting member 50, so that the firm pressed fastener 70 can be effectively enhanced. The bottom of edge briquetting 80 extends towards the week side and protrudes, so can enlarge the area of contact of edge briquetting bottom and connecting piece 50, and when edge briquetting 80 and connecting piece 50 lock fastening, edge briquetting 80's bottom anti-skidding structure and connecting piece 50 boss 53 opposite side's anti-skidding structure paste tightly, so can effectively strengthen edge briquetting 80 by the fastness of compressing tightly.

The fastener 70 is designed as follows: the mounting groove 71 is located on the top side of the fastener 70, the middle and lower parts of the fastener 70 are hollow, the bottom end of the fastener 70 extends outwards to form an extension part 72, and the extension part 72 and the notch of the mounting groove 71 are located on the same side of the fastener 70.

The mounting groove 71 is arranged at the top, so that the structure can be more compact while the space between the photovoltaic panel 40 and the main water tank 20 is ensured to be large; the middle part and the bottom are hollow, so that the self weight can be reduced while the strength of the fastener 70 is ensured; the bottom surface is provided with the extension part 72, so that the bottom surface area is ensured, the attaching area of the fastener 70 and the connecting piece 50 is ensured, and the stability of compression assembly is improved.

In cooperation with the illustration of fig. 5, the roof is an inclined roof, and the main water tank 20 extends downward along the inclined direction of the roof. The roof can be a linear type inclined roof or an inverted V-shaped inclined roof, the inclination angle of the roof is not required to be too large, and the main water tank 20 is downwards along the inclination direction of the roof so as to be beneficial to quickly discharging water in the main water tank 20.

The roof bottom edge is equipped with drainage structure 90, drainage structure 90 includes the water drainage tank 91 of horizontal setting, the drain pipe 92 of being connected with water drainage tank 91, the bottom of main basin 20 all extends to in the water drainage tank 91.

A drain structure 90 is located at the downwardly sloping bottom end of the roof for converging and collecting all of the water drained from the main flume 20 and eventually draining through a drain pipe 92. The drain tank 91 is disposed laterally, i.e., perpendicular to the main tank 20, and the obliquely downward bottom ends of the main tank 20 extend into the main tank 20, and water in the main tank 20 flows downward into the drain tank 91 through the ports. The top end of the drain pipe 92 is connected to the drain tank 91, and water in the drain tank 91 is drained through the drain pipe 92.

The drain tank 91 is designed as follows: the cross section of water drainage tank 91 is U type, and water drainage tank 91 outside top upwards extends to be higher than the lower one end top surface on roof, and outside top inwards extends and is equipped with back hook 93. The top end of the outer side of the water discharge groove 91 extends to be heightened, so that water splashing outside the water discharge groove 91 can be basically avoided.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. Waterproof assembly structure of BIPV photovoltaic roofing, its characterized in that: comprising the following steps:

The purlines are arranged at least two in a transverse interval manner;

2. The waterproof assembly structure of a BIPV photovoltaic roofing according to claim 1, wherein: two ends of the connecting piece are provided with hooks which extend downwards, the top end of the connecting piece is provided with two downward convex bulges, two clamping grooves are respectively formed between the two bulges and the two hooks, the two clamping grooves are correspondingly clamped at two ends of the top of the main water tank, and the clamping hooks are fixedly connected with two sides of the main water tank through bolts.

3. The waterproof assembly structure of a BIPV photovoltaic roofing according to claim 1, wherein: the top surface of connecting piece is equipped with boss and anti-skidding structure, the boss is located the connecting piece middle part, and middle briquetting or marginal briquetting pass through the bolt and are connected fixedly with the boss, anti-skidding structure is located the both sides of boss.

4. A waterproof assembly structure for a BIPV photovoltaic roofing according to any one of claims 1 to 3, wherein: the middle pressing block is inverted-V-shaped, the middle pressing buckle part is arranged on two sides of the top end of the middle pressing block, an anti-slip structure is arranged on the bottom surface of the middle pressing buckle part, and the bottom end of the middle pressing block is fixedly connected with the connecting piece.

5. A waterproof assembly structure for a BIPV photovoltaic roofing according to any one of claims 1 to 3, wherein: the cross section of edge briquetting is the reverse Z style of calligraphy approximately, the top horizontal extension of edge briquetting is equipped with the edge is pressed and is detained the portion, and the bottom of edge is pressed and is detained the portion and be equipped with anti-skidding structure, the middle part of edge briquetting is connected fixedly through bolt and connecting piece, and the bottom surface of edge briquetting is equipped with anti-skidding structure.

6. A waterproof assembly structure for a BIPV photovoltaic roofing according to any one of claims 1 to 3, wherein: the mounting groove is located the top side of fastener, and fastener middle part and lower part are hollow structure, the bottom of fastener extends towards the outside and is equipped with extension, and the notch of extension and mounting groove is located the same side of fastener.

7. The waterproof assembly structure of a BIPV photovoltaic roofing according to claim 1, wherein: the roof is an inclined roof, and the main water tank extends downwards along the inclined direction of the roof.

8. The waterproof assembly structure of the BIPV photovoltaic roofing according to claim 7, wherein: the roof bottom edge is equipped with drainage structures, drainage structures includes the water drainage tank of horizontal setting, the drain pipe of being connected with the water drainage tank, the bottom of main basin all extends to the water drainage tank.

9. The waterproof assembly structure of the BIPV photovoltaic roofing according to claim 8, wherein: the cross section of water drainage tank is U-shaped, and water drainage tank outside top upwards extends to be higher than the roof surface, and outside top inwards extends to be equipped with back hook portion.

10. The waterproof assembly structure of a BIPV photovoltaic roofing according to claim 1, wherein: the cross section of the auxiliary water tank is U-shaped, the two ends of the auxiliary water tank are provided with downward extending guide parts, and the guide parts correspondingly extend into the main water tank.