CN117230937A

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

Info

Publication number: CN117230937A
Application number: CN202311370993.7A
Authority: CN
Inventors: 陈继锋; 游荣森
Original assignee: Fuzhou Fenwang Technology Co ltd
Current assignee: Fuzhou Fenwang Technology Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2023-12-15

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

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

Technical Field

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

Background

The conventional drainage system for the photovoltaic shed generally needs to be provided with a gutter at the cornice position, the gutter is used for receiving rainfall of a main water tank, then downpipes are needed to be connected to the gutter at intervals, the downpipes can realize drainage of precipitation on the photovoltaic shed, and the drainage path for the drainage system for the photovoltaic shed is shown in fig. 10 and 11 at present: 1. the long side and the gradient direction of the photovoltaic module 1 are kept parallel, and a U-shaped vertical seam water guide strip 3 is arranged below a seam of the long side; rainwater flowing in from the vertical slits flows to the auxiliary water tank 12 through the U-shaped vertical slit water guide strips 3; 2. rainwater flowing in from the gaps of the short sides of the photovoltaic module 1 directly flows into the auxiliary water tank 12; 3. the rainwater on the surface close to the gutter 13 directly flows 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 flows into the main water tank 14 and then flows into the gutter 13.

Therefore, the gutter 13 is indispensable for the drainage system of the photovoltaic shed, and in the drainage system, the construction cost is high and the installation is troublesome independently of the structural system of the photovoltaic shed, especially in the case that the gutter 13 is positioned at the edge of the roof and even the outer wall is suspended, the construction is inconvenient, the safety is poor, and the installation quality cannot be ensured.

Disclosure of Invention

The invention provides a technical scheme capable of solving the problems in order to overcome the defects of the prior art.

The gutter-free photovoltaic greenhouse drainage system which is high in efficiency, stable and low in cost is assembled and is arranged below a plurality of photovoltaic modules, and the photovoltaic modules are arranged and arranged in a mutual matrix;

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;

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

the lower parts of the two ends of the purlin water tank are respectively provided with a main girder water tank, and rainwater in the purlin water tank flows into the main girder water tanks at the two ends;

one end of the main beam water tank is connected with a water falling hopper, the water falling hopper is arranged at the low position of the installation gradient of the photovoltaic modules, and a water falling pipe is connected to the water falling hopper.

As a further scheme of the invention: the middle part of purlin basin is buckled into square or trapezium structure, and the shaping of outwards buckling of purlin basin both sides border department has first hem, and U type perpends water guide strip sticiss and is shelved on the first hem of purlin basin both sides.

As a further scheme of the invention: the first folding edge adopts an everting flange.

As a further scheme of the invention: the middle part of girder basin is buckled into square structure, the both sides border department of girder basin is all buckled into the shaping and is had the second hem, and the second hem passes through bolt fixed mounting at the tip of purlin basin.

As a further scheme of the invention: and a purlin bracket is arranged between the purlin water tank and the main beam water tank through bolts.

As a further scheme of the invention: the edges of the two sides of the top end of the water falling hopper are fixedly arranged on the outer side of the main beam water tank through bolts or self-tapping nails respectively.

As a further scheme of the invention: and the edges of two sides of the top end of the water falling hopper are bent to form third folded edges, and the third folded edges are arranged between the purlin support and the second folded edges through bolts.

As a further scheme of the invention: and the third folded edge adopts an inward-turned flange.

As a further scheme of the invention: the end parts of the purline water tank, the U-shaped vertical seam water guide strip and the main beam water tank are bent to form a drip edge, rainwater in the U-shaped vertical seam water guide strip flows into the purline water tank through the drip edge, rainwater in the purline water tank flows into the main beam water tank through the drip edge, and rainwater in the main beam water tank flows into the water falling hopper through the drip edge.

As a further scheme of the invention: the purline water tank, the U-shaped vertical seam water guide strip, the main beam water tank and the water falling hopper are all made of zinc-aluminum-magnesium cold-formed thin-wall steel.

Compared with the prior art, the invention has the beneficial effects that: the novel drainage system of the photovoltaic greenhouse is adopted, no gutter is needed to be installed, the construction speed is high, the drainage performance is good, the construction cost is low, meanwhile, no risk is needed to be required for installing the gutter at an overhead position, the common water leakage phenomenon caused by the gutter joint is avoided, the drainage path is more efficient and direct, and the cost performance of the assembled photovoltaic greenhouse is further improved.

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.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

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

FIG. 2 is a schematic side elevational view of the present invention;

FIG. 3 is a schematic view of the cross-section of two purlin tanks;

FIG. 4 is a schematic view of the cross section of two main beam troughs;

FIG. 5 is a schematic view of the installation of U-shaped vertical seam water guide strips on a main beam water tank;

FIG. 6 is a schematic view of the structure of the drip edge;

FIG. 7 is a schematic view of the mounting structure of two downspouts;

FIG. 8 is a schematic view of an installation structure of two downspouts at another view;

FIG. 9 is a schematic view of a mounting structure of two downspouts from another perspective;

FIG. 10 is a schematic view of a prior art gutter construction;

fig. 11 is a schematic diagram of a prior art structure employing an alternative view of a gutter.

The figure shows: 1. a photovoltaic module; 2. a purlin water tank; 3. u-shaped vertical seam water guide strips; 4. a main beam water tank; 5. a water falling hopper; 6. a downspout; 7. a first hem; 8. a second flanging; 9. purlin support; 10. a third flanging; 11. a drip edge is folded; 12. an auxiliary water tank; 13. a gutter; 14. a main water tank; 15. a beam.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown.

The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present 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 explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-9, the gutter-free photovoltaic shed drainage system which is efficient, stable and low in cost in assembly is arranged below a plurality of photovoltaic modules 1, and the photovoltaic modules 1 are arranged in a mutual matrix;

purline water tanks 2 are arranged below the long-side gaps of the photovoltaic modules 1, and U-shaped vertical-seam water guide strips 3 are arranged below the short-side gaps of the photovoltaic modules 1;

the U-shaped vertical seam water guide strip 3 is arranged above the purline water tank 2, and rainwater in the U-shaped vertical seam water guide strip 3 flows into the purline water tank 2 along with the installation gradient of the photovoltaic module 1;

the main beam water tanks 4 are arranged below the two ends of the purlin water tank 2, and rainwater in the purlin water tank 2 flows into the main beam water tanks 4 at the two ends;

one end of the main beam water tank 4 is connected with a water falling hopper 5, the water falling hopper 5 is arranged at a low position of the installation gradient of the photovoltaic modules 1, and a water falling pipe 6 is connected at the position of the water falling hopper 5;

the principle is as follows: after the installation is completed, the purlin water tank 2 can receive the rainwater of the long edge gap of the photovoltaic module 1, the U-shaped vertical joint water guide strip 3 can receive the rainwater of the short edge gap of the photovoltaic module 1, the U-shaped vertical joint water guide strip 3 can flow to the purlin water tank 2 along with the installation gradient of the photovoltaic module 1, the rainwater in the purlin water tank 2 can flow to the main girder water tank 4, the water falling hopper 5 is arranged at the position of the main girder water tank 4, the rainwater can flow into the water falling hopper 5 for drainage, and the water falling hopper 5 can be directly drained to the water outlet of a roof through the water falling pipe 6.

As a further scheme of the invention: the middle part of the purline water tank 2 is bent into a square or trapezoid structure, the edges of two sides of the purline water tank 2 are outwards bent to form a first folded edge 7, and the U-shaped vertical seam water guide strip 3 is tightly pressed and placed on the first folded edges 7 on two sides of the purline water tank 2; under the effect of the weight of the upper Fang Guangfu assembly 1, the U-shaped vertical seam water guide strip 3 is tightly pressed and placed on the purline water tank 2 to finish installation and fixation, the effect of the water tank can be effectively exerted, rainwater can flow into the main beam water tank 4 more rapidly, and the drainage efficiency is improved.

As a further scheme of the invention: the first folding edge 7 adopts an eversion flange; the purlin basin 2 intensity can be strengthened, its bearing capacity is ensured, life improves.

As a further scheme of the invention: the middle part of the main beam water tank 4 is bent into a square structure, second folded edges 8 are formed at the edges of two sides of the main beam water tank 4 in a bending mode, and the second folded edges 8 are fixedly arranged at the end part of the purline water tank 2 through bolts; the second flange 8 can enhance the bearing capacity of the main beam water tank 4, and can not deform during normal use.

As a further scheme of the invention: the second folded edge 8 adopts an everting flange or an everting flange; the strength of the main beam water tank 4 can be enhanced, and the bearing capacity of the main beam water tank 4 is ensured.

The thickness of the main beam water tank 4 can be controlled to be more than 2mm, the main beam water tank can effectively bear load, the stress performance is good, the weight of the water falling hopper 5 can be completely borne, and the main beam water tank is not deformed during normal use.

The plate seams between the photovoltaic modules 1 can be controlled to be more than 3mm, so that the installation redundancy is guaranteed, meanwhile, rainwater can smoothly flow in from the seams, the rainwater is prevented from accumulating on the photovoltaic modules 1, and the work of the photovoltaic modules 1 is not affected.

As a further scheme of the invention: a purlin bracket 9 is arranged between the purlin water tank 2 and the main girder water tank 4 through bolts; the stable assembly between the purlin water tank 2 and the main girder water tank 4 can be ensured.

As a further scheme of the invention: the edges of the two sides of the top end of the water falling hopper 5 are fixedly arranged on the outer side of the main beam water tank 4 through bolts or self-tapping nails respectively; the stable installation of the downpipe 5 can be ensured.

As a further scheme of the invention: the edges of two sides of the top end of the water falling hopper 5 are bent to form third folded edges 10, and the third folded edges 10 are arranged between the purlin support 9 and the second folded edges 8 through bolts; the stable installation of the downpipe 5 at the end of the main beam water tank 4 can be ensured.

The two designs of the water falling hopper 5 are adopted, so that the two sides of the water falling hopper 5 can be mounted on the outer side of the main beam water tank 4 to complete fixation, and the two sides of the top end of the water falling hopper 5 are also provided with third folded edges 10, and the water falling hopper 5 is mounted between the purlin support 9 and the second folded edges 8 through the third folded edges 10 to complete fixation; both schemes have the characteristics of high strength and convenient assembly, no gutter is needed, and the manufacturing cost is low.

As a further scheme of the invention: the third folded edge 10 adopts an inward-turned flange; the water falling hopper 5 can cover the end part of the main beam water tank 4, so that the service life of the main beam water tank is ensured.

As a further scheme of the invention: the ends of the purline water tank 2, the U-shaped vertical seam water guide strip 3 and the main beam water tank 4 are respectively bent to form a drip edge 11, rainwater in the U-shaped vertical seam water guide strip 3 flows into the purline water tank 2 through the drip edges 11, the drip edges 11 at the ends of the U-shaped vertical seam water guide strip 3 can provide installation and positioning for the U-shaped vertical seam water guide strip 3 and can restrict the U-shaped vertical seam water guide strip 3 to slide, the rainwater in the purline water tank 2 flows into the main beam water tank 4 through the drip edges 11, and the rainwater in the main beam water tank 4 flows into the water falling hopper 5 through the drip edges 11; the drainage flow channel of the drainage system is smoother, the blocking condition can not occur, and the effective leakage-proof effect is achieved.

As a further scheme of the invention: the purline water tank 2, the U-shaped vertical seam water guide strip 3, the main beam water tank 4 and the water falling bucket 5 are all made of zinc-aluminum-magnesium cold-formed thin-wall steel; the application of the zinc aluminum magnesium cold-formed thin-wall steel member on the assembled BIPV can be promoted, the characteristics of corrosion resistance, wear resistance and the like are achieved, and the service life of the photovoltaic shed is ensured.

The present embodiment is not limited in any way by the shape, material, structure, etc. of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention are all included in the scope of protection of the technical solution of the present invention.

Claims

1. The gutter-free photovoltaic greenhouse drainage system is high in efficiency, stability and low in cost, is installed below a plurality of photovoltaic modules (1), and the photovoltaic modules (1) are mutually arranged in a matrix manner;

the method is characterized in that: purline water tanks (2) are arranged below the long-side gaps of the photovoltaic modules (1), and U-shaped vertical-seam water guide strips (3) are arranged below the short-side gaps of the photovoltaic modules (1);

the U-shaped vertical seam water guide strip (3) is arranged above the purline water tank (2), and rainwater in the U-shaped vertical seam water guide strip (3) flows into the purline water tank (2) along with the installation gradient of the photovoltaic module (1);

the main beam water tanks (4) are arranged below the two ends of the purline water tank (2), and rainwater in the purline water tank (2) flows into the main beam water tanks (4) at the two ends;

one end of the main beam water tank (4) is connected with a water falling hopper (5), the water falling hopper (5) is arranged at a low position of the installation gradient of the plurality of photovoltaic modules (1), and a water falling pipe (6) is connected at the position of the water falling hopper (5).

2. The assembled high efficiency stable low cost gutter less photovoltaic shed drainage system of claim 1 wherein: the middle part of purlin basin (2) is buckled into square or trapezium structure, and the both sides border department of purlin basin (2) all outwards buckles the shaping and has first hem (7), and U-shaped vertical joint water guide strip (3) sticis and is shelved on first hem (7) of purlin basin (2) both sides.

3. The assembled high efficiency stable low cost gutter less photovoltaic shed drainage system of claim 2 wherein: the first folding edge (7) adopts an eversion flange.

4. The assembled high efficiency stable low cost gutter less photovoltaic shed drainage system of claim 1 wherein: the middle part of girder basin (4) is buckled into square structure, the both sides border department of girder basin (4) all buckles the shaping and has second flange (8), and second flange (8) pass through the tip of bolt fixed mounting at purlin basin (2).

5. The assembled high efficiency stable low cost gutter less photovoltaic shed drainage system of claim 4 wherein: purlin basin (2) and girder basin (4) are installed purlin support (9) through the bolt between.

6. The assembled high efficiency stable low cost gutter less photovoltaic shed drainage system of claim 5 wherein: the two side edges of the top end of the water falling hopper (5) are fixedly arranged on the outer side of the main beam water tank (4) through bolts or self-tapping nails respectively.

7. The assembled high efficiency stable low cost gutter less photovoltaic shed drainage system of claim 5 wherein: the edges of two sides of the top end of the water falling hopper (5) are respectively provided with a third folded edge (10), and the third folded edge (10) is arranged between the purlin support (9) and the second folded edge (8) through bolts.

8. The assembled high efficiency stable low cost gutter less photovoltaic shed drainage system of claim 7 wherein: as a further scheme of the invention: the third folded edge (10) adopts an inward-turned flange.

9. The assembled high efficiency stable low cost gutter less photovoltaic shed drainage system of claim 1 wherein: the utility model discloses a water fall bucket, including purlin basin (2), U type perps water guide strip (3) and girder basin (4), the tip of U type perps water guide strip (3) is all buckled the shaping and is had hem (11) that drips, and the rainwater in U type perps water guide strip (3) flows into purlin basin (2) through hem (11) that drips, and the rainwater in purlin basin (2) flows into girder basin (4) through hem (11) that drips, and the rainwater in girder basin (4) flows into the water bucket (5) through hem (11) that drips.

10. The assembled high efficiency stable low cost gutter less photovoltaic shed drainage system of claim 1 wherein: the purline water tank (2), the U-shaped vertical seam water guide strip (3), the main beam water tank (4) and the water falling bucket (5) are all made of zinc aluminum magnesium cold-formed thin-wall steel.