CN217400131U - A drainage system for photovoltaic building materials - Google Patents

Abstract

The utility model discloses a drainage system for photovoltaic building materials, which relates to the technical field of photovoltaic building materials. ; One side of the battery pack is connected to one side of the glass plate, and the other side of the battery pack is connected to one side of the back plate, and the battery pack absorbs light to generate electricity; the back plate is an aluminum-zinc plate; the periphery of the back plate There is a folded edge, a fixed part is arranged on the folded edge, one side of the fixed part is fixedly connected to the folded edge, and the other side of the fixed part is fixedly connected to the building; the drainage system, the drainage system is arranged on one side of the back plate, and the drainage system It includes a main beam, a connecting piece and a drainage structure arranged under the photovoltaic module. The drainage structure is fixedly connected with the main beam, and the drainage structure includes a main drainage channel and a horizontal water channel arranged horizontally. When in use, the integrity and airtightness of the photovoltaic building materials are ensured, and the stability of the drainage system is ensured.

Description

A drainage system for photovoltaic building materials

technical field

The utility model relates to the technical field of photovoltaic building materials, in particular to a drainage system of photovoltaic building materials.

Background technique

BIPV photovoltaic building integration is to use the solar photovoltaic power generation array as the roof maintenance structure of industrial buildings to provide electricity. Since the combination of photovoltaic arrays and industrial buildings does not occupy additional ground space, it is the best installation method for photovoltaic power generation systems to be widely used in cities.

The integration of photovoltaic arrays and buildings is an advanced form of BIPV, which has higher requirements for photovoltaic modules. Photovoltaic modules must not only meet the functional requirements of photovoltaic power generation, but also take into account the basic functional requirements of buildings. In this design, the main solution is how to achieve reliable connection between building structure and photovoltaic modules, and at the same time to prevent rainwater leakage, prevent vibration caused by outdoor wind, cable connection and laying, component frame grounding, ventilation and heat dissipation, convenient installation and other requirements. It is a technology that integrates photovoltaic panels into buildings. One of the embodiments is a one-piece integrated roof formed by splicing a framed component and a drainage structure. The common installation structure mainly includes staggered main beams (longitudinal), secondary beams (horizontal) and purlins. The purlins not only play the role of fixing the components to the secondary beams, but also serve as a guide channel for the gap between the component frames. Function.

At present, the fixing method between the photovoltaic panels and the purlins on the market is mainly pressure installation. This installation method can be installed from the upper part of the roof, which is convenient and fast, but the pressure code and the purlin can only provide vertical pressure and The horizontal friction force on the contact surface, that is, it can only be clamped and fixed from the upper and lower sides of the photovoltaic panel, and it is difficult to resist the deformation or displacement of the photovoltaic panel in multiple directions under the actual working state. The fixing effect is not ideal and the BIPV photovoltaic building is integrated In the design of the integrated roof system, how to ensure the reliable connection of photovoltaic modules and at the same time achieve effective drainage and prevent leakage is the main research direction of the BIPV photovoltaic building integrated roof system.

Utility model content

The purpose of this utility model is to provide a drainage system for photovoltaic building materials, which is used to solve the above-mentioned technical problems.

The technical scheme adopted by the utility model is as follows:

A drainage system for photovoltaic building materials, comprising photovoltaic building materials, the photovoltaic building materials including photovoltaic panel layers, and the photovoltaic panel layers are sequentially provided with a glass plate, a cell group and a back plate from top to bottom; one side of the cell group is is connected with one side of the glass plate, and the other side of the cell group is connected with one side of the back plate, and the cell group absorbs light to generate electricity;

The back plate is a galvanized plate; the periphery of the back plate is provided with a folded edge, the folded edge is provided with a fixing part, one side of the fixing part is fixedly connected to the folded edge, and the fixing part is The other side is fixedly connected to the building;

Drainage system, the drainage system is arranged on one side of the backboard, the drainage system includes a main beam, a connecting piece and a drainage structure arranged under the photovoltaic module, the drainage structure is fixedly connected with the main beam, and the drainage system The structure includes a main drainage channel and a transverse water channel arranged laterally, and the transverse water channel is fixedly connected to each other through the connecting piece and is pressed and arranged between the photovoltaic module and the main drainage channel;

The connecting member connects two adjacent photovoltaic building materials, and the connecting member includes a first connecting portion and a second connecting portion; the side of the first connecting portion away from the second connecting portion forms a matching first connecting portion. A locking position, the first locking position is located at the corner of the side end of the connected photovoltaic building materials, and the side of the first connecting part close to the second connecting part forms a first slope; the second connecting part is far away from the One side of the first connecting portion forms a second latch that matches the corners of the side ends of the connected photovoltaic building materials, and a side of the second connecting portion close to the first connecting portion forms a second inclined plane;

A mounting piece, each adjacent two pieces of the photovoltaic building materials are fixed by the mounting piece, the mounting piece is a U-shaped structure, and a pressing piece is respectively provided on both sides of the upper part of the outer wall of the mounting piece; The relative positions of the two sides of the inner wall of the shaped structure are respectively provided with a protrusion, and the buckle of the waterproof cover and the protrusion are mutually engaged to fix and limit the waterproof cover in the mounting piece.

As a further preference, the convex inclined surface extends downward from the inner wall of the U-shaped structure, and a first engaging portion is formed at the lowermost part of the convex inclined surface; the inclined surface on the buckle extends upward, and the buckle The uppermost part of the inclined surface forms a second engaging part; the protruding oblique surface interacts with the oblique surface of the buckle so that the first engaging part and the second engaging part engage with each other.

As a further preference, the bottom of the pressing sheet is provided with serrated protrusions for increasing the frictional force between it and the photovoltaic building material.

As a further preference, an installation groove for accommodating the installation mechanism is provided between the two drainage structures of the main drainage channel, and a top of the installation groove is provided with an installation surface that is in contact with the photovoltaic module.

As a further preference, the fixing portion is a screw, and the mounting member is fixedly connected to the main beam through the screw to fix the main drainage channel on the roof structure.

As a further preference, the first card position is provided with a first support surface and a first limit surface, the first support surface is arranged in parallel with the bottom of the connecting piece, and the first limit surface is vertical The first supporting surface extends away from the bottom to abut the side surface of the first photovoltaic panel; the second clamping position is provided with a second supporting surface and a second limiting surface, the second supporting surface The supporting surface is arranged in parallel with the bottom of the connecting piece, and the second limiting surface extends perpendicular to the second supporting surface in a direction away from the bottom for abutting the side surface of the second photovoltaic panel.

As a further preference, the cross section of the drainage structure is square, and the top of the drainage structure is provided with an extension plate in contact with the photovoltaic module.

The above-mentioned technical scheme has the following advantages or beneficial effects:

(1) In the present invention, the connector can provide force in the up and down, left and right directions and fix the photovoltaic building materials, so as to ensure the stable fixation effect and strengthen the fixation effect of the photovoltaic panels.

(2) In the present utility model, the horizontal water channel is used to concentrate the rainwater in the two drainage structures of the main drainage channel, and then it is discharged. Since the horizontal water channel is pressed between the photovoltaic modules and the main drainage channel by the installation parts, the rainwater on the photovoltaic modules directly flows into the horizontal water channel, and will not flow into the gap between the horizontal channel and the photovoltaic modules. The fixing part is arranged on the outer wall of the main drainage channel, which avoids the opening of the main drainage channel due to the screw connection, and the water flow is discharged along the drainage structure, which ensures the integrity and airtightness of the main drainage channel, and prevents any leakage of water. possible.

(3) In the present utility model, there are protrusions, which cooperate with the buckles arranged on the waterproof cover and are used to clamp the waterproof cover of the inverted buckle. The method has reliable connection stability, and can also prevent the high wind from blowing the aqueous cover.

(4) In the present utility model, the engaging parts of the two are engaged with each other through the interaction of the respective inclined surfaces, so as to ensure the firmness and sealing of the connection; at the same time, the open structure at both ends of the pressing block can make the waterproof cover pulled out and avoid disassembly. When the waterproof cover is used, it will cause physical damage to itself or other parts.

Description of drawings

Fig. 1 is the structural representation of the drainage system of the photovoltaic building material of the present utility model;

Fig. 2 is the structural representation of the back plate of the photovoltaic building material of the present invention;

3 is a schematic structural diagram of the photovoltaic panel layer of the photovoltaic building material of the present invention;

4 is a cross-sectional view of the drainage system of the photovoltaic building material of the present invention;

5 is a schematic structural diagram of the connector of the photovoltaic building material of the present invention;

FIG. 6 is a schematic view of the structure of the installation part of the present invention.

In the picture: 1. Photovoltaic panel layer; 2. Glass plate; 3. Cell group; 4. Back plate; 5. Main beam; 6. Connector; 7. Drainage structure; 8. Main drainage channel; 9. Horizontal water channel ; 10. Mounting parts; 11. Tablet; 12. Protrusion.

Detailed ways

In order to make the above objects, features and advantages of the present utility model more clearly understood, the specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the purpose of It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

The terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature.

Combined with Figures 1-6, a drainage system for photovoltaic building materials.

In the utility model, photovoltaic building materials are included, and the photovoltaic building materials include photovoltaic panel layer 1. The photovoltaic panel layer 1 is provided with a glass plate 2, a cell group 3 and a back plate 4 in order from top to bottom; one side of the cell group 3 is connected to the glass plate. 2 is connected to one side, and the other side of the battery pack 3 is connected to one side of the back plate 4, and the battery pack 3 absorbs light to generate electricity; the back plate 4 is an aluminum-zinc-plated plate; , a fixed part is arranged on the folded edge, one side of the fixed part is fixedly connected to the folded edge, and the other side of the fixed part is fixedly connected to the building;

Drainage system, the drainage system is arranged on one side of the back plate 4, and the drainage system includes a main beam 5, 6 connecting pieces and a drainage structure 7 arranged under the photovoltaic module. The drainage structure 7 is fixedly connected with the main beam 5, and the drainage structure 7 It includes a main drainage channel 8 and a transverse water channel 9 arranged horizontally, and the transverse water channel 9 is fixedly connected and pressed between the photovoltaic modules and the main drainage channel 8 through 6 connecting pieces;

The connector 6 connects two adjacent photovoltaic building materials, and the connector 6 includes a first connecting part and a second connecting part; the side of the first connecting part away from the second connecting part forms a matching first clamping position, and the first clamping position is located in the At the corners of the side ends of the connected photovoltaic building materials, the side of the first connection part close to the second connection part forms a first inclined surface; the side of the second connection part far from the first connection part forms a corner matching the side end of the connected photovoltaic building materials. the second latching position, the side of the second connecting portion close to the first connecting portion forms a second inclined surface;

The mounting member 10 is fixed by the mounting member 10 between every two adjacent photovoltaic building materials. The mounting member 10 has a U-shaped structure, and a pressing piece 11 is respectively provided on both sides of the upper part of the outer wall of the mounting member 10; the inner wall of the U-shaped structure is on both sides. A protrusion 12 is respectively provided at the relative position of the waterproof cover, and the buckle of the waterproof cover and the protrusion 12 are engaged with each other to fix and limit the waterproof cover in the mounting member 10 .

Further, as a preferred embodiment, the inclined surface of the protrusion 12 extends downward from the inner wall of the U-shaped structure, and a first engaging portion is formed at the lowermost part of the inclined surface of the protrusion 12; the inclined surface on the buckle extends upward, and the inclined surface of the buckle The uppermost part forms a second engaging part; the inclined surface of the protrusion 12 interacts with the oblique surface of the buckle so that the first engaging part and the second engaging part engage each other.

Further, as a preferred embodiment, the bottom of the pressing sheet 11 is provided with serrated protrusions for increasing the frictional force between it and the photovoltaic building materials.

Further, as a preferred embodiment, between the two drainage structures of the main drainage channel 8, there is an installation groove for accommodating the mounting piece, and the top of the installation groove is provided with a mounting surface that is in contact with the photovoltaic module.

Further, as a preferred embodiment, the fixing portion is a screw, and the mounting member is fixedly connected with the main beam 5 through the screw to fix the main drainage channel 8 on the roof structure.

Further, as a preferred embodiment, the first card position is provided with a first supporting surface and a first limiting surface, the first supporting surface is arranged in parallel with the bottom of the connecting piece 6, and the first limiting surface is perpendicular to the first limiting surface. A supporting surface extends away from the bottom to abut the side of the first photovoltaic panel; the second clamping position is provided with a second supporting surface and a second limiting surface, and the second supporting surface is parallel to the bottom of the connector 6 It is arranged that the second limiting surface is perpendicular to the second supporting surface and extends in a direction away from the bottom for abutting the side surface of the second photovoltaic panel.

Further, as a preferred embodiment, the cross section of the drainage structure is square, and the top of the drainage structure is provided with an extension plate in contact with the photovoltaic module.

The first embodiment also includes a main beam 5 and a drainage structure 7 arranged under the photovoltaic module. The drainage structure 7 is fixedly connected with the main beam 5. The drainage structure 7 includes a main drainage channel 8 and a transverse water channel 9 arranged horizontally. The main drainage channel 8 is fixedly connected to and pressed against the horizontal water channel 9 arranged between the photovoltaic modules and the main drainage channel 8 through the installation parts. The channel 8 is arranged under the longitudinal gap between the adjacent photovoltaic modules, and includes two drainage structures arranged on the left and right sides. The drainage openings of the horizontal water channel 9 correspond to the drainage structures. There is a fixed part fixedly installed with the main beam 5 on the piece. Using the transverse water channel 9, the water is concentrated in the two drainage structures of the main drainage channel 8 and then discharged. Since the horizontal water channel 9 is pressed between the photovoltaic modules and the main drainage channel 8 by the mounting parts, the water on the photovoltaic modules directly flows into the horizontal water channel 9 and will not flow into the gap between the horizontal water channel 9 and the photovoltaic modules. At the same time, due to the main drainage channel 8. The fixing part with the main beam 5 is arranged on the outer wall of the main drainage channel 8, which avoids the opening of the main drainage channel 8 due to the screw connection, and the water flow is discharged along the drainage structure, ensuring the integrity of the main drainage channel 8. Airtightness eliminates any possibility of water leakage. Between the two drainage structures of the main drainage channel 8, there is an installation groove for accommodating the installation mechanism, which isolates the installation piece from the drainage structure, prevents water from infiltrating from the installation piece, and further prevents the possibility of water seepage; the top of the installation groove is provided with a photovoltaic module The contacting installation surface ensures the stability of the connection between the main drainage channel 8 and the photovoltaic modules.

In the second embodiment, the waterproof cover and the pressing sheet 11 cooperate with each other to waterproof the gap between the two adjacent solar cell panels, and the two adjacent solar cell panels are fixed by the pressing sheet 11; For the two buckles extending downward, the inclined surface on the buckles extends upward, and the uppermost part of the inclined surface of the buckles forms a second engaging portion; correspondingly, the relative positions of the two sides of the inner wall of the U-shaped structure of the pressing piece 11 are respectively provided with a beveled protrusion. From 12, the inclined surface of the beveled protrusion 12 extends downward from the inner wall of the U-shaped structure, and a first engaging portion is formed at the lowest part of the inclined surface of the beveled protrusion 12. The inclined surface of the beveled protrusion 12 interacts with the inclined surface of the buckle so that the The first engaging portion and the second engaging portion engage with each other. In addition, the pressing sheet 11 is in the shape of a strip, and the two ends of the pressing sheet 11 are open structures for the waterproof cover to be drawn out.

The above are only the preferred embodiments of the present utility model, and are not intended to limit the embodiments and protection scope of the present utility model. Those skilled in the art should be able to realize that any changes made by using the contents of the description and illustrations of the present utility model The solutions obtained from equivalent replacements and obvious changes shall all be included in the protection scope of the present invention.

Claims (7)

1. The drainage system for the photovoltaic building materials is characterized by comprising the photovoltaic building materials, wherein the photovoltaic building materials comprise a photovoltaic plate layer (1), and a glass plate (2), a cell group (3) and a back plate (4) are sequentially arranged from top to bottom on the photovoltaic plate layer (1); one side of the battery piece group (3) is connected with one side of the glass plate (2), the other side of the battery piece group (3) is connected with one side of the back plate (4), and the battery piece group (3) absorbs light to generate electric energy; the back plate (4) is an aluminum-plated zinc plate;

the periphery of the back plate (4) is provided with a folded edge, the folded edge is provided with a fixing part, one edge of the fixing part is fixedly connected to the folded edge, and the other edge of the fixing part is fixedly connected with a building;

the drainage system is arranged on one side of the back plate (4) and comprises a main beam (5), a connecting piece (6) and a drainage structure (7) arranged below the photovoltaic module, the drainage structure (7) is fixedly connected with the main beam (5), the drainage structure (7) comprises a main drainage channel (8) and a transverse drainage channel (9) which is transversely arranged, and the transverse drainage channel (9) is connected through the connecting piece (6) and is tightly pressed between the photovoltaic module and the main drainage channel (8);

the connecting piece (6) is connected with two adjacent photovoltaic building materials, and the connecting piece (6) comprises a first connecting part and a second connecting part; one surface, far away from the second connecting part, of the first connecting part forms a matched first clamping position, the first clamping position is located at a corner of the side end of the connected photovoltaic building material, and one surface, close to the second connecting part, of the first connecting part forms a first inclined surface; one surface of the second connecting part, which is far away from the first connecting part, forms a second clamping position matched with a corner of the side end of the photovoltaic building material, and one surface of the second connecting part, which is close to the first connecting part, forms a second inclined surface;

the photovoltaic building material mounting device comprises mounting pieces (10), wherein every two adjacent photovoltaic building materials are fixed through the mounting pieces (10), each mounting piece (10) is of a U-shaped structure, and two pressing sheets (11) are respectively arranged on two sides of the upper part of the outer wall of each mounting piece (10); the relative position of U-shaped structure inner wall both sides is equipped with a arch (12) respectively, waterproof cover's buckle with protruding (12) interlock each other will waterproof cover is fixed with spacing in installed part (10).

2. A photovoltaic building material drainage system as claimed in claim 1, wherein the slope of the projection (12) extends downwardly from the inner wall of the U-shaped structure, and a first engagement portion is formed at the lowermost portion of the slope of the projection (12); the inclined surface on the buckle extends upwards, and the uppermost part of the inclined surface of the buckle forms a second meshing part; the inclined surface of the bulge (12) interacts with the inclined surface of the buckle to enable the first meshing part and the second meshing part to be meshed with each other.

3. A photovoltaic building material drainage system as claimed in claim 2, wherein the bottom of the sheeting (11) is provided with serrations for increasing friction with the photovoltaic building material.

4. A photovoltaic building material drainage system as claimed in claim 2, wherein a mounting groove for receiving the mounting member (10) is provided between the two drainage grooves of the main drainage channel (8), and a mounting surface for contacting the photovoltaic module is provided at the top end of the mounting groove.

5. The photovoltaic building material drainage system of claim 4, wherein the fixing portion is a screw, and the mounting member (10) is fixed to the main beam (5) by the screw to fix the main drainage channel (8) to the roof structure.

6. The drainage system for photovoltaic building materials according to claim 3, wherein the first clip is provided with a first bearing surface and a first limiting surface, the first bearing surface is arranged in parallel with the bottom of the connecting member (6), and the first limiting surface extends perpendicular to the first bearing surface in a direction away from the bottom so as to abut against the side surface of the first photovoltaic panel; the second screens are provided with a second bearing surface and a second limiting surface, the second bearing surface is parallel to the bottom of the connecting piece (6), and the second limiting surface is perpendicular to the side face, far away from the bottom, of the second bearing surface, and the side face is extended to abut against the second photovoltaic panel.

7. A photovoltaic building material drainage system according to claim 2, wherein the drainage structure (7) has a square cross section, and an extension plate contacting the photovoltaic module is provided at the top end of the drainage structure (7).

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