CN117230937A - Assembly efficient stable low-cost gutter-free photovoltaic greenhouse drainage system - Google Patents

Abstract

The invention discloses an assembly efficient stable low-cost gutter-free photovoltaic shed drainage system, which relates to the field of photovoltaic building integration and is arranged below a plurality of photovoltaic modules; purline water tanks are arranged below the long-side gaps of the photovoltaic modules, and U-shaped vertical-seam water guide strips are arranged below the short-side gaps of the photovoltaic modules; rainwater in the U-shaped vertical joint water guide strip flows into the purline water tank along with the installation gradient of the photovoltaic module; the main beam water tanks are arranged below the two ends of the purlin water tank, and rainwater in the purlin water tank flows into the main beam water tanks at the two ends; one end of the main beam water tank is connected with a water falling hopper which is arranged at the low position of the installation gradient of the photovoltaic modules, and the water falling hopper is connected with a water falling pipe; compared with the prior art, the invention does not need to install a gutter, has high construction speed, good drainage performance and low construction cost, does not need to risk to install the gutter at a high-altitude position, and avoids the common water leakage phenomenon caused by gutter joints.

Description

Assemble an efficient, stable and low-cost gutter-free photovoltaic shed drainage system

Technical field

The invention relates to the field of photovoltaic building integration, and in particular to the assembly of an efficient, stable and low-cost gutter-free photovoltaic shed drainage system; it is suitable for household roof photovoltaic sheds and industrial and commercial roof BIPV photovoltaic sheds, and is also suitable for non-photovoltaic sun sheds. .

Background technique

The traditional photovoltaic shed drainage system generally requires a gutter at the eaves. The gutter is used to receive the rainfall from the main water tank. Then downpipes need to be connected to the gutter at certain intervals. The downspouts can realize precipitation drainage on the photovoltaic shed. , the drainage path currently used for the photovoltaic shed drainage system is shown in Figure 10 and Figure 11: 1. The long side of the photovoltaic module 1 is kept parallel to the slope direction, and a U-shaped vertical seam water guide strip 3 is provided under the gap on the long side; The rainwater flowing in from the vertical seam flows to the auxiliary water tank 12 through the U-shaped vertical seam water guide strip 3; 2. The rainwater flowing in from the short side gap of the photovoltaic module 1 directly flows into the auxiliary water tank 12; 3. The rainwater on the panel near the gutter 13, It flows directly into the gutter 13 or flows into the gutter 13 through the U-shaped vertical seam water guide strip 3; 4. The rainwater flowing into the auxiliary water tank 12 merges into the main water tank 14 and then flows into the gutter 13.

Therefore, the application of the gutter 13 in the photovoltaic shed drainage system is indispensable, and the above-mentioned drainage system is independent of the photovoltaic shed structural system, which is expensive and troublesome to install, especially when the gutter 13 is located When the edge of the roof even overhangs the exterior wall, construction is very inconvenient, safety is poor, and the installation quality cannot be guaranteed.

Contents of the invention

In order to overcome the above disadvantages, the present invention provides a technical solution that can solve the above problems.

Assemble an efficient, stable and low-cost gutter-free photovoltaic shed drainage system and install it under several photovoltaic modules, which are installed in a matrix arrangement with each other;

Purlin water channels are provided below the long-side gaps of several photovoltaic modules, and U-shaped vertical seam water guide strips are provided below the short-side gaps of several photovoltaic modules;

The U-shaped vertical seam water guide strip is arranged above the purlin water tank, and the rainwater in the U-shaped vertical seam water guide strip flows into the purlin water tank along with the installation slope of the photovoltaic module;

Main beam water tanks are installed below both ends of the purlin water tank, and rainwater in the purlin water tank flows to the main beam water tanks at both ends;

One end of the main beam water tank is connected to a drain bucket. The drain bucket is set at a low position on the installation slope of several photovoltaic modules. A drain pipe is connected to the drain bucket.

As a further solution of the present invention: the middle part of the purlin water tank is bent into a square or trapezoidal structure, the edges on both sides of the purlin water tank are bent outward to form first folds, and the U-shaped vertical seam water guide bars are pressed tightly and placed On the first fold on both sides of the purlin sink.

As a further solution of the present invention: the first folding edge adopts an everted flange.

As a further solution of the present invention: the middle part of the main beam water tank is bent into a square structure, and second folding edges are bent and formed on both sides of the main beam water tank. The second folding edges are fixed and installed on the purlins by bolts. The end of the sink.

As a further solution of the present invention: purlin supports are installed between the purlin water tank and the main beam water tank through bolts.

As a further solution of the present invention: both sides of the top of the drain bucket are fixed and installed on the outside of the main beam sink through bolts or self-tapping screws.

As a further solution of the present invention: both sides of the top of the drain bucket are bent and formed with a third flange, and the third flange is installed between the purlin support and the second flange through bolts.

As a further solution of the present invention: the third folding edge adopts an inverted flange.

As a further solution of the present invention: the ends of the purlin gutters, U-shaped vertical seam water guide bars and main beam water gutters are all bent and formed with drip hems, and the rainwater in the U-shaped vertical seam water guide bars flows through the drip hems. In the purlin water tank, the rainwater in the purlin water tank flows to the main beam water tank through the dripping flange, and the rainwater in the main beam water tank flows into the drain bucket through the dripping flange.

As a further solution of the present invention: the purlin water tank, U-shaped vertical seam water guide strip, main beam water tank, and downspout bucket are all made of zinc-aluminum-magnesium cold-formed thin-walled steel.

Compared with the existing technology, the beneficial effects of the present invention are: adopting a new photovoltaic shed drainage system, no need to install gutters, fast construction speed, good drainage and low construction cost. At the same time, there is no need to risk the installation of gutters at high altitudes. It avoids common water leakage caused by gutter joints, and its drainage path is more efficient and direct, further improving the cost-effectiveness of the prefabricated photovoltaic shed.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting any creative effort.

Figure 1 is a schematic top view of the structure of the present invention;

Figure 2 is a schematic side view of the structure of the present invention;

Figure 3 is a schematic structural diagram of the cross-section of two purlin sinks;

Figure 4 is a schematic structural diagram of the cross-section of two main beam water tanks;

Figure 5 is a schematic structural diagram of the U-shaped vertical seam water guide strip installed on the main beam water tank;

Figure 6 is a schematic structural diagram of drip hemming;

Figure 7 is a schematic diagram of the installation structure of two types of drain buckets;

Figure 8 is a schematic diagram of the installation structure of the two types of drain buckets from another perspective;

Figure 9 is a schematic diagram of the installation structure of the two drain buckets from another perspective;

Figure 10 is a schematic structural diagram of a gutter in the prior art;

Figure 11 is a schematic structural diagram of the gutter from another perspective in the prior art.

Shown in the picture: 1. Photovoltaic modules; 2. Purlin sink; 3. U-shaped vertical seam water guide strip; 4. Main beam sink; 5. Downspout; 6. Downspout; 7. First fold; 8. Second fold; 9. Purlin support; 10. Third fold; 11. Drip fold; 12. Auxiliary water tank; 13. Gutter; 14. Main water tank; 15. Beam.

Detailed ways

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, not all, of the embodiments of the present invention.

The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the invention provided in the appended drawings is not intended to limit the scope of the claimed invention, but rather to represent selected embodiments of the invention.

Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limitations of the invention. Furthermore, the terms “first”, “second” and “third” are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

As shown in Figures 1-9, the efficient, stable and low-cost gutter-free photovoltaic shed drainage system of the present invention is installed below several photovoltaic modules 1, and the several photovoltaic modules 1 are arranged and installed in a matrix with each other. ;

Purlin water channels 2 are provided below the long-side gaps of several photovoltaic modules 1, and U-shaped vertical seam water guide strips 3 are provided below the short-side gaps of several photovoltaic modules 1;

The U-shaped vertical seam water guide strip 3 is arranged above the purlin water channel 2, and the rainwater in the U-shaped vertical seam water conductor strip 3 flows into the purlin water channel 2 along with the installation slope of the photovoltaic module 1;

Main beam water tanks 4 are installed below both ends of the purlin water tank 2, and the rainwater in the purlin water tank 2 flows to the main beam water tanks 4 at both ends;

One end of the main beam water tank 4 is connected to a drain bucket 5. The drain bucket 5 is set at a low position on the installation slope of several photovoltaic modules 1, and a drain pipe 6 is connected to the drain bucket 5;

The principle is: several photovoltaic modules 1 are arranged and installed in a matrix. After the installation is completed, the purlin water tank 2 can receive the rainwater from the long side gaps of the photovoltaic module 1, and the U-shaped vertical seam water guide strip 3 can receive the rainwater from the short side gaps of the photovoltaic module 1. , the U-shaped vertical seam water guide strip 3 can flow to the purlin tank 2 along with the installation slope of the photovoltaic module 1. The rainwater in the purlin tank 2 will flow to the main beam tank 4. A drop bucket 5 is set at the position of the main beam tank 4, so that The rainwater can be uniformly flowed into the downspout 5 for drainage, and the downspout 5 can be directly discharged to the drainage outlet on the roof through the downspout pipe 6. The present invention can effectively drain water and prevent leakage, and at the same time, there is no need to risk gutter installation at high altitudes and avoid gutter installation. Common leaks caused by seams.

As a further solution of the present invention: the middle part of the purlin water tank 2 is bent into a square or trapezoidal structure, and the edges on both sides of the purlin water tank 2 are bent outward to form a first flange 7, and a U-shaped vertical seam water guide strip 3 is pressed tightly and placed on the first flanges 7 on both sides of the purlin tank 2; under the weight of the upper photovoltaic module 1, the U-shaped vertical seam water guide strip 3 is pressed tightly and rested on the purlin tank 2 to complete the installation and fixation. Effectively play the role of the water tank, allowing rainwater to flow into the main beam water tank 4 more quickly, thereby improving drainage efficiency.

As a further solution of the present invention: the first flange 7 adopts an everted flange, which can enhance the strength of the purlin water tank 2, ensure its load-bearing capacity, and increase its service life.

As a further solution of the present invention: the middle part of the main beam water tank 4 is bent into a square structure, and second folding edges 8 are bent and formed on both sides of the main beam water tank 4, and the second folding edges 8 are formed by bolts. Fixedly installed at the end of the purlin water tank 2; the second flange 8 can enhance the load-bearing capacity of the main beam water tank 4 and will not deform during normal use.

As a further solution of the present invention: the second flange 8 adopts an everted flange or an inverted flange, which can enhance the strength of the main beam water tank 4 and ensure the load-bearing capacity of the main beam water tank 4 .

The thickness of the main beam water tank 4 can be controlled to be more than 2 mm, which can effectively bear load, has good stress-bearing performance, can fully bear the weight of the water sink 5, and will not deform during normal use.

The gaps between several photovoltaic modules 1 can be controlled to be more than 3mm. While ensuring the installation redundancy, rainwater can flow in smoothly through the gaps, preventing rainwater from accumulating on the photovoltaic modules 1 and causing no damage to the work of the photovoltaic modules 1. Influence.

As a further solution of the present invention: a purlin bracket 9 is installed between the purlin water tank 2 and the main beam water tank 4 through bolts; this can ensure a stable assembly between the purlin water tank 2 and the main beam water tank 4.

As a further solution of the present invention: both sides of the top of the drain bucket 5 are fixed and installed on the outside of the main beam water tank 4 through bolts or self-tapping screws respectively; thus ensuring the stable installation of the drain bucket 5 .

As a further solution of the present invention: a third flange 10 is bent and formed on both sides of the top of the drain bucket 5, and the third flange 10 is installed between the purlin bracket 9 and the second flange 8 through bolts; The stable installation of the drain bucket 5 at the end of the main beam water tank 4 can be ensured.

There are two design options for the drain bucket 5. The two sides of the drain bucket 5 can be installed on the outside of the main beam water tank 4 to complete the fixation. The third folding edge 10 can also be provided on both sides of the top of the drain bucket 5. Through the third folding edge 10 is installed between the purlin bracket 9 and the second flange 8 to complete the fixation; both solutions have the characteristics of high strength and easy assembly, without the need to set up gutters, and the cost is low.

As a further solution of the present invention: the third flange 10 adopts an inverted flange, so that the drain bucket 5 can cover the end of the main beam water tank 4 to ensure its service life.

As a further solution of the present invention: the ends of the purlin water tank 2, the U-shaped vertical seam water guide strip 3 and the main beam water channel 4 are all bent and formed with dripping hems 11, and the rainwater in the U-shaped vertical seam water guide strip 3 The dripping flange 11 flows into the purlin water tank 2. The dripping flange 11 at the end of the U-shaped vertical seam water guide strip 3 can provide installation positioning for the U-shaped vertical seam water guide strip 3 and can constrain the U-shaped vertical seam water guide strip. 3 slides, the rainwater in the purlin tank 2 flows to the main beam tank 4 through the dripping flange 11, and the rainwater in the main beam tank 4 flows to the downspout 5 through the dripping flange 11; making the drainage channel of the drainage system smoother , there will be no clogging, thereby achieving effective leakage prevention.

As a further solution of the present invention: the purlin water tank 2, U-shaped vertical seam water guide strip 3, main beam water tank 4, and drop bucket 5 are all made of zinc-aluminum-magnesium cold-formed thin-walled steel; they can push zinc-aluminum-magnesium cold-formed thin-walled steel components The application on prefabricated BIPV has the characteristics of corrosion resistance and wear resistance, ensuring the service life of the photovoltaic shed.

This embodiment does not place any formal restrictions on the shape, material, structure, etc. of the present invention. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention belong to the protection of the technical solution of the present invention. scope.

Claims (10)

1. Assemble an efficient, stable and low-cost gutter-free photovoltaic shed drainage system, and install it under several photovoltaic modules (1), which are installed in a matrix arrangement with each other; It is characterized in that: purlin water channels (2) are provided below the long-side gaps of several photovoltaic modules (1), and U-shaped vertical seam water guide strips (2) are provided below the short-side gaps of several photovoltaic modules (1). 3); The U-shaped vertical seam water guide strip (3) is arranged above the purlin water tank (2), and the rainwater in the U-shaped vertical seam water guide strip (3) flows to the purlin water tank (2) along with the installation slope of the photovoltaic module (1). ) among; Main beam water tanks (4) are installed below both ends of the purlin water tank (2), and rainwater in the purlin water tank (2) flows to the main beam water tanks (4) at both ends; One end of the main beam water tank (4) is connected to a drain bucket (5). The drain bucket (5) is set at a low position on the installation slope of several photovoltaic modules (1). A drain pipe (6) is connected to the drain bucket (5). 2. The assembly of an efficient, stable and low-cost gutter-free photovoltaic shed drainage system according to claim 1, characterized in that: the middle part of the purlin water tank (2) is bent into a square or trapezoidal structure, and the purlin water tank (2) Both sides of the edge are bent outward to form a first fold (7), and the U-shaped vertical seam water guide strip (3) is placed tightly on the first fold (7) on both sides of the purlin water tank (2). . 3. The assembly of an efficient, stable and low-cost gutter-free photovoltaic shed drainage system according to claim 2, characterized in that: the first folding edge (7) adopts an everted flange. 4. The assembly of an efficient, stable and low-cost gutter-free photovoltaic shed drainage system according to claim 1, characterized in that: the middle part of the main beam water tank (4) is bent into a square structure, and the main beam water tank (4) is bent into a square structure. The edges on both sides of 4) are bent and formed with second flanges (8), and the second flanges (8) are fixed and installed on the ends of the purlin water tank (2) through bolts. 5. The assembly of an efficient, stable and low-cost gutter-free photovoltaic shed drainage system according to claim 4, characterized in that: purlin brackets are installed between the purlin water tank (2) and the main beam water tank (4) through bolts. (9). 6. The assembly of an efficient, stable and low-cost gutter-free photovoltaic shed drainage system according to claim 5, characterized in that: both sides of the top of the drain bucket (5) are fixed and installed on the drain bucket (5) by bolts or self-tapping screws respectively. The outside of the main beam sink (4). 7. The assembly of an efficient, stable and low-cost gutter-free photovoltaic shed drainage system according to claim 5, characterized in that: both sides of the top of the drain bucket (5) are bent and formed with third folds. (10), the third flange (10) is installed between the purlin support (9) and the second flange (8) through bolts. 8. The assembly of an efficient, stable and low-cost gutter-free photovoltaic shed drainage system according to claim 7, characterized in that: as a further solution of the present invention: the third folding edge (10) adopts an inverted flange. 9. The assembly of an efficient, stable and low-cost gutter-free photovoltaic shed drainage system according to claim 1, characterized in that: the purlin water tank (2), the U-shaped vertical seam water guide strip (3) and the main beam water tank The ends of (4) are bent and formed with drip hems (11). The rainwater in the U-shaped vertical seam water guide strip (3) flows to the purlin water tank (2) through the drip hem (11). The purlin water tank (2) 2) flows to the main beam water tank (4) through the dripping flange (11), and the rainwater in the main beam water tank (4) flows to the water dropper (5) through the dripping flange (11). 10. The assembly of an efficient, stable and low-cost gutter-free photovoltaic shed drainage system according to claim 1, characterized in that: the purlin water tank (2), the U-shaped vertical seam water guide strip (3), the main beam water tank (4) and the drain bucket (5) are made of zinc-aluminum-magnesium cold-formed thin-walled steel.