CN110778031A - BIPV waterproof system - Google Patents

Abstract

The present invention relates to a BIPV waterproofing system, which comprises several photovoltaic modules, purlins, vertical water guide troughs and waterproof cover plates. There is an accommodating cavity, the left and right sides of the accommodating cavity are respectively provided with an installation plane, and screw connection holes are arranged on the installation plane to fix the vertical water guide groove on the purlin; a T-shaped groove is arranged above the accommodating cavity, Both sides of the T-shaped slot are provided with a cavity with a triangular-like cross-section; a connecting piece is arranged in the T-shaped slot to be fixedly connected to the middle pressure block, and the photovoltaic module is arranged between the waterproof cover plate and the load-bearing bracket. The two lateral sides of the photovoltaic assembly are respectively provided with an upper connecting piece and a lower connecting piece, and the laterally adjacent photovoltaic assemblies are connected by the snapping connection of the upper connecting piece and the lower connecting piece. The present invention realizes full-structure reliable waterproofing.

Description

BIPV waterproofing system

technical field

The invention relates to the technical field of BIPV, in particular to a BIPV waterproof system.

Background technique

Photovoltaic roof installation system refers to the photovoltaic system installed on the roof, which is divided into BAPV and BIPV according to the installation method. Among them, BAPV is a solar photovoltaic power generation system installed on an existing building through a steel structure or aluminum alloy bracket, also known as an "installation type" solar photovoltaic building. The defect of this technology is that the steel structure workshop color steel tile roof is generally The service life is about 10 years, and it is easy to cause water leakage due to rust, corrosion and strength deterioration, and waterproofing is also difficult. The design life of the photovoltaic power generation system is required to be 25 years, so the color steel tile needs to be replaced during operation, and the maintenance cost high, causing a lot of waste of resources. BIPV is a solar photovoltaic power generation system that is designed, constructed and installed at the same time as the building and is perfectly integrated with the building. It is also called "construction type" and "building material type" solar photovoltaic buildings. It not only has the function of power generation, but also has the function of building components and building materials, and can even enhance the beauty of the building, forming a perfect unity with the building.

However, the BIPV in the prior art has the following defects: (1) Partial waterproofing still relies on gluing, but gluing is easy to age and has a short life; (2) The design of the connector is complex, the installation requirements are high, and the risk of water leakage is high; (3) ) The vertical guide trough bears the functions of large force and drainage at the same time, the material consumption is large, and the cost is relatively expensive.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above deficiencies, and provide a BIPV waterproof system, which adopts a separate design for waterproof and load-bearing, reduces costs, improves drainage effect, and is waterproof and reliable.

The object of the present invention is achieved in this way:

A BIPV waterproof system, which includes a plurality of photovoltaic modules, purlins, vertical guide grooves and waterproof cover plates, a plurality of vertical guide grooves are arranged side by side on a plurality of C-shaped purlins arranged horizontally side by side, and a plurality of purlins and vertical guide grooves are formed. A photovoltaic module array is arranged above the supporting frame, and a middle pressure block is arranged between the vertically adjacent photovoltaic modules for connection, and an edge pressure block is arranged on the outer side of the edge photovoltaic modules for connection;

The vertical water guide channel is fixed on the purlin by setting the load-bearing bracket, and the load-bearing bracket is provided with a accommodating cavity, the left and right sides of the accommodating cavity are each provided with an installation plane, and the installation plane is provided with a screw connection The hole fixes the vertical water guide groove on the purlin; a T-shaped groove is arranged above the accommodating cavity, and each side of the T-shaped groove is provided with a triangular-like cavity; The connecting piece is fixedly connected with the middle pressure block, and the photovoltaic assembly is arranged between the waterproof cover plate and the load-bearing support; the two lateral sides of the photovoltaic assembly are respectively provided with an upper connecting piece and a lower connecting piece. The photovoltaic modules are connected by the snap connection of the upper connecting piece and the lower connecting piece.

Further, the vertical gutter has a W-shaped section with an upward opening, the left and right sides are inclined outward, and the bottom edge is provided with an upwardly concave groove.

Further, the cross section of the accommodating cavity is M-like, the top surface of the accommodating cavity is provided with a downwardly concave curved surface corresponding to the groove on the bottom edge of the vertical gutter, and the bottom surface of the accommodating cavity is provided with Vertical guide groove bottom edge groove matching bolt groove.

Further, one end of one side of the load-bearing bracket is provided with a stopper, and the stopper is arranged on the vertical water guiding groove.

Further, the front and rear adjacent vertical water guide troughs are connected by shingles, and a plurality of clamps are arranged at the overlapping portion for fixing.

Further, the upper connecting piece includes an upper horizontal plate, one end of the upper horizontal plate is connected with the top surface of the photovoltaic module, and the other end is provided with a vertical downward side short gusset plate, and the middle of the upper horizontal plate is provided with There are short and medium gussets that are vertically downward.

Further, the lower connecting piece includes a lower transverse plate, one end of the lower transverse plate is connected with the bottom surface of the photovoltaic module, the other end is provided with a vertical downward side length gusset, and the middle of the lower transverse plate is provided with Vertically downward mid-length gusset.

Further, the length of the short and medium gussets is greater than that of the short side gussets; the length of the medium and long gussets is greater than the length of the side long gussets.

Further, the length of the side-length gusset plate is greater than that of the side-short gusset plate; the middle-length gusset plate of the former photovoltaic assembly is matched and engaged with the middle and short gusset plate of the latter photovoltaic assembly.

Further, the middle pressure block is in the shape of an inverted letter, the inner walls of the two vertical sides of the inverted letter are respectively provided with a convex rib, the waterproof cover plate cover is arranged above the middle pressure block, and the waterproof cover plate is The top surface is a curved surface, and the two ends of the top surface of the waterproof cover are provided with vertical downward barbs, which are buckled on the photovoltaic modules. There are two fixed edges under the top surface of the waterproof cover, and the bottoms of the two fixed edges are respectively There are barbs that engage with the protruding ribs of the middle pressure block.

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention adopts the waterproof system of component + structure: horizontal drainage is realized through the frame of the component, waterproof is realized by using the short side of the component with its own buckle, and vertical drainage is realized by the vertical guide groove, which reduces the cost and realizes pure mechanical waterproofing.

2. The present invention adopts the design of load-bearing and waterproof separation, adopts the load-bearing bracket to realize the load-bearing function, the drainage groove realizes the drainage function, and the drainage groove is only responsible for the drainage, the mechanical requirements are low, and the material cost is greatly saved; The material usage is reduced, and the total system cost is reduced by more than 40% compared with the existing load-bearing + drainage integrated design.

3. The vertical drainage groove of the present invention adopts a tile-type design that can be overlapped. When the length of the waterproof system is long, there is no need for connecting parts. The two adjacent drainage grooves are overlapped for a certain length and clamped with a clamp, which is very easy to install. Convenient and reliable performance.

4. The present invention adopts fully mechanical waterproof, does not need to rely on any glue to achieve waterproof, avoids the problem of easy aging of glue, reliable waterproof effect and long service life.

Description of drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a partial enlarged view of part A of FIG. 1 .

FIG. 3 is a partial enlarged view of part B of FIG. 1 .

Figure 4 is a side view of the present invention.

FIG. 5 is a partial enlarged view of C in FIG. 4 .

Figure 6 is a front view of the present invention.

Figure 7 is a top view of the present invention.

FIG. 8 is a schematic diagram of the assembly of the connector of the present invention.

FIG. 9 is a schematic structural diagram of the photovoltaic module of the present invention.

FIG. 10 is a partial enlarged view of D in FIG. 9 .

FIG. 11 is a partial enlarged view of E in FIG. 9 .

12 is a front view of the photovoltaic module of the present invention.

FIG. 13 is a partial enlarged view of F in FIG. 12 .

FIG. 14 is a partial enlarged view of part H in FIG. 12 .

15 is a top view of the photovoltaic module of the present invention.

FIG. 16 is a schematic diagram of overlapping connection of adjacent photovoltaic modules of the present invention.

in:

Photovoltaic module 1, upper connector 1.1, upper horizontal plate 1.11, short side gusset plate 1.12, middle and short gusset plate 1.13, lower connector 1.2, lower horizontal plate 1.21, side long gusset plate 1.22, medium and long gusset plate 1.23, purlin 2 , Vertical water guide 3, load-bearing bracket 4, accommodating cavity 4.1, installation plane 4.2, T-slot 4.3, waterproof cover 5, stopper 6, fixture 7.

Detailed ways

In order to better understand the technical solutions of the present invention, the following will be described in detail with reference to the relevant figures. It should be understood that the following specific embodiments are not intended to limit the specific implementation aspects of the technical solutions of the present invention, but are merely applicable implementation aspects of the technical solutions of the present invention. It should be noted that the description of the positional relationship of each component in this article, such as the fact that part A is located above part B, is based on the description of the relative position of each component in the figure, and is not intended to limit the actual positional relationship of each component.

Example 1:

Referring to Fig. 1-Fig. 15, Fig. 1 is a schematic structural diagram of a BIPV waterproofing system involved in the present invention. As shown in the figure, a BIPV waterproof system of the present invention includes several photovoltaic modules 1, purlins 2, vertical water guide troughs 3, load-bearing brackets 4 and waterproof cover plates 5; On a plurality of C-shaped purlins 2 arranged side by side, an array of photovoltaic modules 1 is arranged above a support frame formed by a plurality of purlins 2 and a vertical water guide 3 .

Vertically adjacent photovoltaic modules 1 are provided with middle pressure blocks for connection, and side pressure blocks are arranged on the outside of the photovoltaic modules 1 on the edge for connection; The inner walls of the straight sides are respectively provided with a convex rib, the waterproof cover plate 5 is covered above the middle pressure block, the top surface of the waterproof cover plate 5 is a curved surface, and the two ends of the top surface of the waterproof cover plate 5 are provided with vertical The downward barb is buckled on the photovoltaic module 1, and two fixed edges are provided below the top surface of the waterproof cover plate 5, and the bottoms of the two fixed edges are respectively provided with barbs that engage with the ribs of the middle pressure block.

The section of the vertical water guide 3 is a W-shaped open upward, the left and right sides are inclined outward, and the bottom edge is provided with an upwardly concave groove; the vertical water guide 3 is provided with a load-bearing bracket 4. Fixed on purlin 2.

The load-bearing bracket 4 is provided with an accommodating cavity 4.1. The cross-section of the accommodating cavity 4.1 is M-like. The bottom surface of the accommodating cavity 4.1 is provided with bolt grooves that match the grooves on the bottom edge of the vertical gutter 3, and the left and right sides of the accommodating cavity 4.1 are respectively provided with a mounting plane 4.2. Bolt holes are provided to fix the vertical water guide 3 on the purlin 2 by bolting; a T-slot 4.3 is arranged above the accommodating cavity 4.1, and both sides of the T-slot 4.3 are provided with a triangular-like cross-section. The top surface of the cavity is a support surface; a connecting piece is arranged in the T-shaped groove 4.3 to be fixedly connected to the middle pressure block.

The photovoltaic module 1 is arranged between the waterproof cover plate 5 and the load-bearing bracket 4 , the receiving cavity 4.1 of the load-bearing bracket 4 provides a support point, and the top surface of the cavity provides a support surface.

One end of one side of the load-bearing bracket 4 is respectively provided with a stopper 6 , and the stopper 6 is arranged on the vertical water guiding groove 3 .

The front and rear adjacent vertical water guide troughs 3 are connected by shingles, and a plurality of clamps 7 are arranged in the overlapping part to fix.

Two lateral sides of the photovoltaic assembly 1 are respectively provided with an upper connecting piece 1.1 and a lower connecting piece 1.2. The upper connecting piece 1.1 includes an upper horizontal plate 1.11, and one end of the upper horizontal plate 1.11 is connected to the top of the photovoltaic assembly 1. The other end is provided with a vertically downward side short gusset 1.12, the middle of the upper horizontal plate 1.11 is provided with a vertical downward middle and short gusset 1.13, and the length of the middle and short gusset 1.13 is greater than that of the side Short gusset plate 1.12; the lower connector 1.2 includes a lower horizontal plate 1.21, one end of the lower horizontal plate 1.21 is connected to the bottom surface of the photovoltaic module 1, and the other end is provided with a vertically downward side-length gusset plate 1.22, the said The middle part of the lower horizontal plate 1.21 is provided with a vertically downward middle and long gusset plate 1.23, the length of the middle and long gusset plate 1.23 is greater than that of the side length gusset plate 1.22; the length of the side length gusset plate 1.22 is greater than that of the side short gusset plate 1.12 .

The laterally adjacent photovoltaic modules 1 are connected by the snap connection of the upper connector 1.1 and the lower connector 1.2, and the middle and long gussets 1.23 of the former photovoltaic module 1 and the middle and short gussets 1.13 of the latter photovoltaic module 1 are matched and engaged. , forming a horizontal waterproof structure.

working principle:

The plane formed by multiple C-shaped purlins 2 represents multiple application scenarios such as steel structure workshop, carport, sun room, tile roof and so on.

When rainfall occurs, the waterproof cover plate 5 and the sealing strip will block most of the rainwater and guide the rainwater to be drained down the slope from the glass panel of the photovoltaic module; The vertical drainage groove 3 is drained away, and the horizontal rainwater will be blocked by the engaging structure of the upper connector 1.1 and the lower connector 1.2 of the component frame. Part 1.2 The lower buckle side will introduce the infiltrated rainwater into the vertical drainage groove 3 to realize drainage, and finally drain the rainwater away; realize the reliable waterproof of the whole structure.

When applied to large-area scenes, the vertical drainage channel that can be connected by shingles realizes the extension of the waterproof system in the direction of the slope, thus adapting to many applications.

The above are only specific application examples of the present invention, and do not constitute any limitation to the protection scope of the present invention. All technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims (10)

1. A BIPV waterproof system, which includes a plurality of photovoltaic modules (1), purlins (2), a vertical water guide groove (3) and a waterproof cover plate (5). On the plurality of C-shaped purlins (2), an array of photovoltaic modules (1) is arranged above the support frame composed of the plurality of purlins (2) and the vertical water guide grooves (3), and an array of photovoltaic modules (1) is arranged between the vertically adjacent photovoltaic modules (1). The middle pressure block is connected, and the outer side of the photovoltaic module (1) at the edge is provided with a side pressure block for connection; it is characterized in that: the vertical water guide groove (3) is fixed on the purlin (2) by sleeved load-bearing brackets (4). Above, the load-bearing bracket (4) is provided with an accommodating cavity (4.1), the left and right sides of the accommodating cavity (4.1) are each provided with an installation plane (4.2), and a screw is arranged on the installation plane (4.2). The connecting hole fixes the vertical water guide groove (3) on the purlin (2); a T-shaped groove (4.3) is arranged above the accommodating cavity (4.1), and both sides of the T-shaped groove (4.3) are provided with A cavity with a triangular-like cross section; a connecting piece is arranged in the T-shaped groove (4.3) to be fixedly connected with the middle pressure block, and the photovoltaic module (1) is arranged on the waterproof cover plate (5) and the load-bearing bracket (4) between; two lateral sides of the photovoltaic module (1) are respectively provided with an upper connector (1.1) and a lower connector (1.2), and the laterally adjacent photovoltaic modules (1) are connected by the upper connector (1.1 ) and the snap connection of the lower connector (1.2). 2. A BIPV waterproofing system according to claim 1, characterized in that: the vertical water guide (3) has a W-shaped section with an upward opening, the left and right sides are inclined outward, and the bottom side is provided with a upward recessed groove. 3. A BIPV waterproofing system according to claim 2, characterized in that: the cross section of the accommodating cavity (4.1) is M-like, and the top surface of the accommodating cavity (4.1) is provided with a vertical guide groove ( 3) The downwardly concave curved surface at the corresponding position of the bottom edge groove, the bottom surface of the accommodating cavity (4.1) is provided with a bolt groove matching with the bottom edge groove of the vertical water guide groove (3). 4. A BIPV waterproof system according to claim 2, characterized in that: a stopper (6) is provided on one side and two ends of the load-bearing support (4), and the stopper (6) ) on the vertical guide trough (3). 5 . The BIPV waterproofing system according to claim 1 , characterized in that the adjacent vertical water guide troughs ( 3 ) at the front and rear are connected by shingles, and a plurality of clamps ( 7 ) are arranged at the overlapping portion for fixing. 6 . 6. A BIPV waterproofing system according to claim 1, characterized in that: the upper connecting piece (1.1) comprises an upper transverse plate (1.11), and one end of the upper transverse plate (1.11) is connected to the photovoltaic module (1.11). ) is connected with the top surface of the upper horizontal plate (1.11), the other end is provided with a vertical downward short side gusset plate (1.12), and the middle part of the upper horizontal plate (1.11) is provided with a vertically downward short middle and short gusset plate (1.13). 7. A BIPV waterproofing system according to claim 1, characterized in that: the lower connector (1.2) comprises a lower transverse plate (1.21), and one end of the lower transverse plate (1.21) is connected to the photovoltaic module (1.21). ) is connected with the bottom surface of the bottom surface, the other end is provided with a vertically downward side-length gusset plate (1.22), and the middle part of the lower transverse plate (1.21) is provided with a vertical downward middle and long gusset plate (1.23). 8. A BIPV waterproofing system according to claim 6 or 7, characterized in that: the length of the middle and short gussets (1.13) is greater than the short side gussets (1.12); the middle and long gussets (1.23) is longer than the side length gusset (1.22). 9. A BIPV waterproof system according to claim 6 or 7, characterized in that: the length of the long side gusset plate (1.22) is greater than the length of the short side gusset plate (1.12); The long gusset plate (1.23) is matched with the short and medium gusset plate (1.13) of the latter photovoltaic module (1). 10. A BIPV waterproofing system according to claim 1, characterized in that: the middle pressure block is in the shape of an inverted number, and the inner walls of the two vertical sides of the inverted number are respectively provided with a convex rib, and the waterproof The cover plate (5) is covered above the middle pressure block, the top surface of the waterproof cover plate (5) is a curved surface, and both ends of the top surface of the waterproof cover plate (5) are provided with vertical downward barbs, which are fastened on On the photovoltaic module (1), two fixed edges are provided below the top surface of the waterproof cover plate (5), and the bottoms of the two fixed edges are respectively provided with barbs that engage with the ribs of the middle pressure block.

Images