CN217711437U

CN217711437U - BIPV waterproof system

Info

Publication number: CN217711437U
Application number: CN202221362690.1U
Authority: CN
Inventors: 郑恢康; 詹洪坚
Original assignee: Suoyisi Xiamen Technology Co ltd
Current assignee: Suoyisi Xiamen Technology Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-11-01
Anticipated expiration: 2032-06-01

Abstract

The utility model relates to a BIPV waterproof system, include: the solar panels are arranged in a matrix; the rail assembly comprises a longitudinal rail assembly and a transverse rail assembly. The longitudinal rail assembly comprises longitudinal rails and a longitudinal fastening mechanism, the longitudinal rails are erected on the lower surfaces of adjacent edges of two solar panels which are longitudinally adjacent in the matrix, and longitudinal drainage grooves with upward openings are formed in the longitudinal rails; the longitudinal fastening mechanism is connected with the longitudinal rail on one hand and the solar panel on the other hand. The transverse rail assembly comprises a transverse rail and a transverse fastening mechanism, and the transverse rail is erected on the lower surfaces of the abutting edges of two solar panels which are transversely adjacent in the matrix; the transverse rail is provided with a transverse drainage groove with an upward opening, and the transverse drainage groove is communicated with the longitudinal drainage groove; the transverse rails are connected to the longitudinal rails and/or the solar panels by transverse fastening mechanisms. Based on the utility model discloses a photovoltaic roofing has the effect of leak protection water, and the installation is firm, also does benefit to the on-the-spot assembly simultaneously.

Description

BIPV waterproof system

Technical Field

The utility model relates to a photovoltaic technology field especially relates to a BIPV waterproof system.

Background

BIPV, namely Building Integrated PV, is a photovoltaic Building integration. PV is Photovaltaic. BIPV technology is a technology that integrates solar power (photovoltaic) products into buildings. Building integrated photovoltaics is a technology for integrating photovoltaic products into buildings, such as combining a photovoltaic matrix with a roof. In the prior art, in order to improve the space utilization rate and reduce the building cost, some developers directly use the solar panel as the rain shielding structure of the roof, which puts forward a high requirement on the waterproof effect of the solar roof.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a BIPV waterproof system, it can support and fix solar panel reliably, guarantees simultaneously that the solar roof of installation formation has good leak protection water effect.

In order to achieve the above object, the utility model adopts the following technical scheme:

a BIPV waterproofing system, comprising:

the solar panels are arranged in a matrix; the bottom edge of the solar panel is a connecting frame.

The rail assembly comprises a longitudinal rail assembly and a transverse rail assembly.

The longitudinal rail assembly comprises a longitudinal rail and a longitudinal fastening mechanism, the longitudinal rail is erected on the lower surfaces of adjacent edges of two solar panels which are longitudinally adjacent in the matrix, and a longitudinal drainage groove with an upward opening is formed in the longitudinal rail; the longitudinal fastening mechanism is connected with the longitudinal rail on one hand and the connecting frame of the solar panel on the other hand.

The transverse rail assembly comprises a transverse rail and a transverse fastening mechanism, the transverse rail is erected on the lower surfaces of the abutting edges of two solar panels which are transversely adjacent in the matrix, and the transverse rail is arranged between every two adjacent longitudinal rail assemblies; a transverse drainage groove with an upward opening is formed in the transverse rail and communicated to the longitudinal drainage groove; the transverse rails are connected with the longitudinal rails and/or the connecting frame of the solar panel through a transverse fastening mechanism.

Preferably, wing plates are arranged on two sides of the bottom of the longitudinal rail, and the longitudinal drainage groove is defined by the wing plates and the outer side wall of the longitudinal rail.

Preferably, the edge of the wing plate is provided with a bending part.

Preferably, a diversion groove is formed in the top of the longitudinal rail, and a baffle plate used for limiting the solar energy is arranged in the center of the diversion groove; the splitter box and the baffle plates are arranged along the axial extension of the longitudinal rail.

Preferably, the longitudinal rail assembly further comprises a segment connecting mechanism for abutting adjacent longitudinal rails, the segment connecting mechanism comprises a connecting pipe, a first sealing element, a second sealing element, a first nut block, a first locking screw and a first pressure plate; a pipe cavity matched with the connecting pipe is formed in the longitudinal rail, and a first limiting groove matched with the first nut block is formed in the bottom of the longitudinal rail; one end of the connecting pipe is inserted into the pipe cavity of one longitudinal rail and locked through a screw, and the other end of the connecting pipe is inserted into the pipe cavity of the other longitudinal rail and locked through a screw; the first nut block is connected in the first limiting groove in a sliding mode and is limited; the first sealing element and the first pressing plate are sequentially abutted against the lower surfaces of abutting edges of the two longitudinal rails, and the first locking screw sequentially penetrates through the first pressing plate and the first sealing element and then is in threaded connection with the first nut block; the second sealing element is arranged in the first limiting groove in an expanding mode and is tightly matched with the second sealing element.

Preferably, the edge of the first pressure plate and the edge of the wing plate are locked and fixed by screws.

Preferably, the first sealing element and the second sealing element are respectively provided with at least one sealing groove for filling the sealing glue.

Preferably, the first sealing element is further provided with a protruding portion, the second sealing element is provided with a recessed portion matched with the protruding portion, and the protruding portion is expanded in the recessed portion.

Preferably, the longitudinal fastening mechanism comprises a second nut block, a second pressure plate and a second locking screw; the second nut block is provided with a pivoting shaft, two sides of the top of the longitudinal rail are provided with pivoting grooves extending along the axial direction, and the pivoting shaft is rotatably matched in the pivoting grooves; the second pressing plate comprises a first connecting part, a second connecting part and a third connecting part which are connected in sequence, the first connecting part and the third connecting part are perpendicular to the second connecting part, and the length of the first connecting part is greater than that of the third connecting part; the first connecting portion butt is on solar panel's connecting frame upper surface, the third connecting portion butt is on second nut piece, second locking screw pass behind the second connecting portion with second nut piece threaded connection.

Preferably, one side of the transverse track is provided with a hooking part, and the other side of the transverse track is provided with a second limiting groove extending along the axial direction; the transverse fastening mechanism comprises a third pressing plate, a third locking screw and a locking nut, and a clamping groove is formed in the third pressing plate; the third pressing plate is clamped on the connecting frame of any one of the two transversely adjacent solar panels through a clamping groove, and the hook-connecting part is in hook-and-loop connection with the connecting frame of the other solar panel; the end head of the third locking screw is connected in the second limiting groove in a sliding mode and is limited, and the screw rod end of the third locking screw extends out of the second limiting groove and penetrates through the third pressing plate to be connected with the locking nut in a threaded mode.

Preferably, the third pressing plate comprises a fourth connecting part, a fifth connecting part and a sixth connecting part, the fourth connecting part and the fifth connecting part are parallel to each other and vertically arranged on the sixth connecting part, the fourth connecting part is located at the top end of the sixth connecting part, and the length of the fourth connecting part is greater than that of the fifth connecting part; the fourth connecting part, the fifth connecting part and the sixth connecting part are matched to enclose the clamping groove.

Preferably, the transverse rail is hollowed from the top surface partially inwards to form the transverse drainage groove, and a discharge spout is arranged at the bottom of any end or two ends of the transverse rail; the transverse drainage groove is arranged above the longitudinal drainage groove and is communicated with the longitudinal drainage groove through the discharge spout.

After adopting above-mentioned scheme, erect vertical track through the border lower surface that borders on at vertical adjacent solar panel, erect horizontal track at the border lower surface that borders on horizontal adjacent solar panel, horizontal water drainage tank on the vertical track of horizontal water drainage tank intercommunication for the water homoenergetic that immerses from the gap between two liang of adjacent solar panels flows into in the two rows of above-mentioned basins and the water conservancy diversion is discharged, makes and is based on the utility model discloses a photovoltaic roofing has leak protection water's effect. Meanwhile, the solar panel is connected and fixed on the longitudinal rail at least through the longitudinal fastening mechanism, and the installation is firm. All the fastening mechanisms are positioned below the solar panel, so that the light receiving area of the solar panel can be maximized, and the field assembly is facilitated.

Drawings

FIG. 1 is a schematic view of the present invention;

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

FIG. 3 is a schematic view of the connection of the longitudinal rail assembly to the solar panel;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a schematic view of a segmented link mechanism;

FIG. 6 is an exploded view of the segmented link mechanism;

FIG. 7 is a schematic view of a first seal;

FIG. 8 is a schematic view of a second seal;

FIG. 9 is a schematic view of a transverse rail assembly;

FIG. 10 is an enlarged view of portion B of FIG. 7;

fig. 11 is a schematic view of the connection of the lateral rail assembly to the solar panel.

Description of the labeling:

a solar panel 10, a connection frame 11;

the structure comprises a longitudinal rail 20, a wing plate 21, a bent part 211, a longitudinal drainage groove 22, a pipe cavity 23, a first limiting groove 24, a pivoting groove 25, a diversion groove 26 and a baffle plate 27;

the segment connecting mechanism 30, the connecting pipe 31, the first abutting portion 311, the second abutting portion 312, the first seal 32, the boss 321, the first seal groove 322, the first nut block 33, the first locking screw 34, the first pressing plate 35, the second seal 36, the recess 361, and the second seal groove 362362;

the longitudinal fastening mechanism 40, the second nut block 41, the pivot shaft 411, the slope 412, the second pressing plate 42, the first connecting part 421, the second connecting part 422, the third connecting part 423 and the second locking screw 43;

a transverse rail 50, a transverse drainage groove 51, a discharge spout 52, a hooking part 53 and a second limiting groove 54;

the transverse fastening mechanism 60, the third pressing plate 61, the fourth connecting part 611, the fifth connecting part 612, the sixth connecting part 613, the third locking screw 62 and the locking nut 63.

Detailed Description

As shown in fig. 1-11, a BIPV waterproofing system is disclosed that includes a solar panel 10 and a track assembly. Solar panels 10 are fixed on the track assembly and solar panels 10 are arranged in an array on the track assembly. The bottom edge of solar panel 10 is a connecting frame 11, the connecting frame 11 does not exceed the boundary of solar panel 10, and the connecting frame 11 is parallel to the light receiving surface of solar panel 10.

The track assembly comprises longitudinal track 20 assemblies and transverse track 50 assemblies, wherein the longitudinal track 20 assemblies are arranged at equal intervals along the transverse direction of the solar panel 10 matrix, a single solar panel 10 is erected on and fixed on every two adjacent longitudinal track 20 assemblies, and the longitudinal track 20 assemblies mainly support the solar panel 10. The transverse rail 50 assemblies are disposed between two adjacent longitudinal rails 20, and all of the transverse rail 50 assemblies are arranged in an array.

Specifically, the longitudinal rail 20 assembly includes a longitudinal rail 20, a longitudinal fastening mechanism 40, and a section connecting mechanism 30, the longitudinal rail 20 being spanned under abutting edges of two solar panels 10 longitudinally adjacent in the matrix. The longitudinal rail 20 is of a symmetrical structure, two sides of the bottom of the longitudinal rail 20 are provided with wing plates 21, the wing plates 21 and the outer side wall of the longitudinal rail 20 define a longitudinal drainage groove 22 with an upward opening, two longitudinal drainage grooves 22 are symmetrically arranged on two sides of the longitudinal rail 20, and rainwater leaking from a gap between longitudinally adjacent solar panels 10 flows into the longitudinal drainage grooves 22 and is guided and drained. In order to avoid the overflow of rainwater in the longitudinal drainage grooves 22, the edge of the wing plate 21 is provided with a bent part 211, and the bent part 211 can also play a certain shaping effect on the wing plate 21. An axially extending splitter box 26 is provided at the center of the top surface of the longitudinal rail 20, a baffle 27 axially extends from the center of the splitter box 26, the baffle 27 divides the splitter box 26 into two independent troughs, and rainwater penetrating through the longitudinally adjacent seams of adjacent solar panels 10 is split into the two troughs and flows into the longitudinal drainage channel 22 on the corresponding side. The diversion channel 26 may provide some cushioning effect to more smoothly direct rainwater into the longitudinal drainage channel 22 by entering the diversion channel. Meanwhile, the baffle plate 27 is arranged to limit the solar panel 10, so that the solar panel 10 is prevented from sliding transversely, and the solar panel 10 can be better fixed.

The segment connecting mechanism 30 is used for abutting adjacent longitudinal rails 20 in the same column and segmenting the longitudinal rails 20 for transportation. The segment connecting mechanism 30 includes a connecting pipe 31, a first sealing member 32, a second sealing member 36, a first nut block 33, a first locking screw 34, and a first pressing plate 35. The tube cavity 23 matched with the connecting tube 31 is arranged in the longitudinal rail 20, two ends of the connecting tube 31 are respectively inserted into the tube cavities 23 of the adjacent longitudinal rails 20 and locked through screws, and the connecting tube 31 cannot shake in the tube cavities 23. Through the direction and the support of connecting pipe 31, two sections adjacent longitudinal rails 20 can stabilize the butt joint, and the interface can align simultaneously, does benefit to the water conservancy diversion of rainwater. The bottom of the longitudinal rail 20 is provided with a first limiting groove 24 matched with the first nut block 33, the first limiting groove 24 extends along the axial direction of the longitudinal rail 20, the first nut block 33 is connected in the first limiting groove 24 in a sliding mode, the first nut block 33 cannot rotate in the first limiting groove 24, the first nut block 33 can only be separated from openings at two ends of the first limiting groove 24, and the first limiting groove 24 limits the first nut block 33.

The first sealing element 32 and the first pressing plate 35 abut against the lower surfaces of the abutting edges of the two longitudinal rails 20 in sequence, the first sealing element 32 can cover and block the seams of the outer surfaces of the two adjacent longitudinal rails 20, the first locking screw 34 penetrates through the first pressing plate 35 and the first sealing element 32 in sequence and then is in threaded connection with the first nut block 33, and meanwhile, the edge of the first pressing plate 35 and the edge of the wing plate 21 are locked by screws, so that the first sealing element 32 can be pressed on the lower surfaces of the abutting edges of the longitudinal rails 20 by the pressing plate, and the seams of the outer surfaces of the longitudinal rails 20 are blocked. And the second sealing element 36 is arranged in the first limiting groove 24 in an expanding mode, and is limited by the first nut block 33 to avoid sliding. The first sealing element 32 is provided with a convex part 321, the second sealing element 36 is provided with a concave part 361 matched with the convex part 321, the convex part 321 can be expanded in the concave part 361, sufficient sealing performance between the first sealing element 32 and the second sealing element 36 is guaranteed, and meanwhile, the second sealing element 36 can be better attached to the first limiting groove 24 due to the tight pushing of the convex part 321. The second sealing element 36 is tightly matched with the first sealing element 32 and is pressed tightly through the first pressing plate 35, the second sealing element 36 can seal the seam at the position of the first limiting groove 24, water leakage can be avoided due to the arrangement of the first sealing element 32 and the second sealing element 36, and a better waterproof effect is achieved.

In order to further ensure the waterproof effect and facilitate the installation of the first sealing element 32 and the second sealing element 36, two first sealing grooves 322 for filling sealant are arranged on the first sealing element 32, similarly, two second sealing grooves 362 for filling sealant are also arranged on the second sealing element 36, the two first sealing grooves 322 are respectively arranged on two sides of the joint of the two butted longitudinal rails 20, and the two second sealing grooves 362 are also respectively arranged on two sides of the joint of the two butted longitudinal rails 20, so as to further enhance the waterproof sealing effect on the two sides of the joint. The sealant can be glass cement.

The longitudinal rail 20 mainly supports the solar panel 10, and the tube cavity 23 on the longitudinal rail 20 is designed to improve the supporting capability of the longitudinal rail 20, and meanwhile, in order to avoid the deformation of the first limiting groove 24 caused by compression, the structure of the first longitudinal rail 20 is defined as follows: the first limit groove 24 is formed by partially inwards sinking the bottom surface of the longitudinal rail 20, and a certain interval is formed between the groove wall of the first limit groove 24 and the side wall of the longitudinal rail 20, so that two support legs can be formed on two sides of the bottom of the longitudinal rail 20, and the support is facilitated. Meanwhile, the first limiting groove 24 is relatively independent and not easy to deform, and installation of the first nut block 33 is facilitated. In addition, be equipped with the first butt portion 311 with the tank bottom butt of first spacing groove 24 on connecting pipe 31, still be equipped with the second butt portion 312 with the butt of lumen 23 bottom at the bottom of connecting pipe 31, through setting up first butt portion 311 and second butt portion 312 for the support ability of connecting pipe 31 is further strengthened, guarantees the fastness of the connected node of longitudinal rail 20.

The longitudinal fastening mechanism 40 connects the longitudinal rails 20 on the one hand and the connection frame 11 of the solar panel 10 on the other hand. Specifically, the longitudinal fastening mechanism 40 includes a second nut block 41, a second presser plate 42, and a second locking screw 43. The second nut block 41 is provided with a pivot shaft 411, two sides of the top of the longitudinal rail 20 are provided with pivot grooves 25 extending along the axial direction, and the pivot shaft 411 is rotatably fitted in the pivot grooves 25. The second pressing plate 42 includes a first connection portion 421, a second connection portion 422, and a third connection portion 423 that are connected in sequence, the first connection portion 421 and the third connection portion 423 are perpendicular to the second connection portion 422, and a length L1 of the first connection portion 421 is greater than a length L2 of the third connection portion 423. The first connection portion 421 abuts on the upper surface of the connection frame 11 of the solar panel 10, the third connection portion 423 abuts on the second nut block 41, and the second nut block 41 is provided with a slope surface 412 that engages with the third connection portion 423. The second locking screw 43 penetrates through the second connecting part 422 and then is in threaded connection with the second nut block 41, and an avoiding groove for avoiding the second locking screw 43 is formed in one side, away from the end of the second locking screw 43, of the second nut block 41, so that the second locking screw 43 can be screwed tightly. During installation, the second nut block 41 is inserted into the pivot slot 25 and rotated, so that the second nut block 41 can abut against the side wall of the longitudinal rail 20, and at this time, the second nut block 41 is limited by the pivot slot 25 and cannot easily fall off. Afterwards, the first connecting part 421 of the second pressing plate 42 is abutted to the upper surface of the connecting frame 11 of the solar panel 10 to realize positioning, then the second pressing plate 42 is pressed to enable the second connecting part 422 to be abutted to the second nut block 41, and finally the second locking screw 43 is screwed, so that the solar panel is convenient and fast. First connecting portion 421 is longer than third connecting portion 423 for first connecting portion 421 can play the guide effect when the installation, and the quick installation of being convenient for, simultaneously, can also guarantee that first connecting portion 421 has bigger area of contact with the carriage 11, does benefit to the steadiness of connecting.

The transverse rails 50 are disposed on the lower surfaces of the adjoining edges of two solar panels 10 that are adjacent in the transverse direction, and the transverse rails 50 are disposed between two adjacent longitudinal rail 20 assemblies, and more specifically, the transverse rails 50 are disposed above the longitudinal drainage channels 22. The transverse rail 50 is partially hollowed inwards from the top surface to form a transverse drainage channel 51 with an upward opening, and two ends of the transverse drainage channel 51 are communicated with the longitudinal drainage channel 22. In addition, the bottom parts of the two ends of the transverse rail 50 are provided with the leakage nozzles 52, and by arranging the leakage nozzles 52, the transverse drainage grooves 51 can be ensured to be communicated with the longitudinal drainage grooves 22, so that rainwater flowing into the transverse drainage grooves 51 can be discharged.

The lateral tightening mechanism 60 includes a third pressing plate 61, a third locking screw 62, and a locking nut 63. The third pressing plate 61 includes a fourth connection part 611, a fifth connection part 612, and a sixth connection part 613, and the fourth connection part 611 and the fifth connection part 612 are disposed parallel to each other and vertically on the sixth connection part 613. The fourth connection portion 611 is located at a top end position of the sixth connection portion 613, and a length L4 of the fourth connection portion 611 is greater than a length L5 of the fifth connection portion 612. The fourth connecting portion 611, the fifth connecting portion 612 and the sixth connecting portion cooperate to form a slot. The transverse rail 50 is provided with a hooking portion 53 at one side thereof and a second stopper groove 54 extending in the axial direction at the other side thereof. The third pressing plate 61 is clamped on the connecting frame 11 of any one of the two solar panels 10 adjacent in the transverse direction through the clamping groove, and the hooking part 53 is hooked and connected with the connecting frame 11 of the other solar panel 10. The end of the third locking screw 62 is slidably connected in the second limiting groove 54 for limiting, and the screw end of the third locking screw 62 extends out of the second limiting groove 54 and passes through the sixth connecting portion 613 to be in threaded connection with the locking nut 63. The fourth connecting portion 611 is longer than the fifth connecting portion 612, which can also play a role in guiding, and increase the contact area with the connecting frame 11, thereby ensuring the stability of connection.

The utility model discloses a key lies in, erects vertical track 20 through the border lower surface that adjoins at vertical adjacent solar panel 10, erects horizontal track 50 at the border lower surface that adjoins of horizontal adjacent solar panel 10, and horizontal water drainage tank 51 on the horizontal track 50 communicates vertical water drainage tank 22 on the vertical track 20 for the water homoenergetic that the gap between two liang of adjacent solar panel 10 immerged flows into in the two rows of basin of the aforesaid and the water conservancy diversion discharges, makes based on the utility model discloses a photovoltaic roofing has the effect of leak protection water. Meanwhile, the solar panels 10 are fixedly connected to the longitudinal rails 20 at least through the longitudinal fastening mechanisms 40, and are firmly installed. All fastening mechanisms are located below solar panel 10 to maximize the light receiving area of solar panel 10 while also facilitating field assembly.

The above description is only an embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A BIPV waterproofing system, comprising:

the solar panels are arranged in a matrix; the bottom edge of the solar panel is provided with a connecting frame;

a track assembly comprising a longitudinal track assembly and a transverse track assembly;

the longitudinal rail assembly comprises a longitudinal rail and a longitudinal fastening mechanism, the longitudinal rail is erected on the lower surfaces of adjacent edges of two solar panels which are longitudinally adjacent in the matrix, and a longitudinal drainage groove with an upward opening is formed in the longitudinal rail; the longitudinal fastening mechanism is connected with the longitudinal rail on one hand and the connecting frame of the solar panel on the other hand;

2. The BIPV waterproofing system according to claim 1, wherein: wing plates are arranged on two sides of the bottom of the longitudinal rail, and the wing plates and the outer side wall of the longitudinal rail form the longitudinal drainage groove in an enclosing mode.

3. A BIPV waterproofing system according to claim 2, wherein: the edge of the wing plate is provided with a bending part.

4. A BIPV waterproofing system according to claim 1, wherein: the top of the longitudinal rail is provided with a diversion groove, and the center of the diversion groove is provided with a baffle plate for limiting solar energy; the splitter box and the baffle plates are arranged along the axial extension of the longitudinal rail.

5. A BIPV waterproofing system according to any of claims 1 to 4, wherein: the longitudinal rail assembly further comprises a segmented connecting mechanism for butting adjacent longitudinal rails, and the segmented connecting mechanism comprises a connecting pipe, a first sealing element, a second sealing element, a first nut block, a first locking screw and a first pressing plate; a pipe cavity matched with the connecting pipe is formed in the longitudinal rail, and a first limiting groove matched with the first nut block is formed in the bottom of the longitudinal rail; one end of the connecting pipe is inserted into the pipe cavity of one longitudinal rail and locked through a screw, and the other end of the connecting pipe is inserted into the pipe cavity of the other longitudinal rail and locked through a screw; the first nut block is connected in the first limiting groove in a sliding mode and is limited; the first sealing element and the first pressing plate are sequentially abutted against the lower surfaces of abutting edges of the two longitudinal rails, and the first locking screw sequentially penetrates through the first pressing plate and the first sealing element and then is in threaded connection with the first nut block; the second sealing element is arranged in the first limiting groove in an expanding mode and is tightly matched with the second sealing element.

6. A BIPV waterproofing system according to claim 5 wherein: the edge of the first pressing plate and the edge of the wing plate are locked and fixed through screws.

7. A BIPV waterproofing system according to claim 5 wherein: and the first sealing element and the second sealing element are both provided with at least one sealing groove for filling sealing glue.

8. A BIPV waterproofing system according to claim 5 wherein: the first sealing element is further provided with a protruding portion, the second sealing element is provided with a recessed portion matched with the protruding portion, and the protruding portion is expanded in the recessed portion.

9. A BIPV waterproofing system according to claim 1, wherein: the longitudinal fastening mechanism comprises a second nut block, a second pressure plate and a second locking screw; the second nut block is provided with a pivoting shaft, two sides of the top of the longitudinal rail are provided with pivoting grooves extending along the axial direction, and the pivoting shaft is rotatably matched in the pivoting grooves; the second pressing plate comprises a first connecting part, a second connecting part and a third connecting part which are connected in sequence, the first connecting part and the third connecting part are perpendicular to the second connecting part, and the length of the first connecting part is greater than that of the third connecting part; the first connecting portion butt is on solar panel's connecting frame upper surface, the third connecting portion butt is on second nut piece, second locking screw pass behind the second connecting portion with second nut piece threaded connection.

10. The BIPV waterproofing system according to claim 1, wherein: one side of the transverse track is provided with a hooking part, and the other side of the transverse track is provided with a second limiting groove extending along the axial direction; the transverse fastening mechanism comprises a third pressing plate, a third locking screw and a locking nut, and a clamping groove is formed in the third pressing plate; the third pressing plate is clamped on the connecting frame of any one of the two transversely adjacent solar panels through a clamping groove, and the hook-connecting part is in hook-and-loop connection with the connecting frame of the other solar panel; the end head of the third locking screw is connected in the second limiting groove in a sliding mode and is limited, and the screw rod end of the third locking screw extends out of the second limiting groove and penetrates through the third pressing plate to be connected with the locking nut in a threaded mode.

11. A BIPV waterproofing system according to claim 10, wherein: the third pressing plate comprises a fourth connecting part, a fifth connecting part and a sixth connecting part, the fourth connecting part and the fifth connecting part are parallel to each other and are vertically arranged on the sixth connecting part, the fourth connecting part is positioned at the top end of the sixth connecting part, and the length of the fourth connecting part is greater than that of the fifth connecting part; the fourth connecting part, the fifth connecting part and the sixth connecting part are matched to enclose the clamping groove.

12. A BIPV waterproofing system according to claim 1, wherein: the transverse track is hollowed from the top surface to the inside partially to form the transverse drainage groove, and a discharge spout is arranged at the bottom of any end or two ends of the transverse track; the transverse drainage groove is arranged above the longitudinal drainage groove and is communicated with the longitudinal drainage groove through the discharge spout.