CN112064904A - Drainage system for photovoltaic modules - Google Patents

Abstract

The invention discloses a drainage system of a photovoltaic module, which comprises: a support assembly; the first beam bodies are arranged on the support assembly and are transversely arranged at intervals, and an included angle alpha is formed between each first beam body and the horizontal plane; the photovoltaic panels are provided with a plurality of photovoltaic panels and arranged on the first beam body, a longitudinal gap is formed between every two adjacent photovoltaic panels in the transverse direction, and a transverse gap is formed between every two adjacent photovoltaic panels in the longitudinal direction; the longitudinal flow guide groove group is arranged on the first beam body and is positioned right below the longitudinal gap, and the longitudinal flow guide groove group is provided with a drainage end; the transverse diversion grooves are arranged between two adjacent first beam bodies and are positioned right below the transverse gap, and the transverse diversion grooves can divert water into the longitudinal diversion groove group; and the water drainage tank is transversely arranged below the water drainage end of the longitudinal flow guide groove group and is used for receiving and draining water drained by the longitudinal flow guide groove group. The structure is simple, and the drainage effect is good.

Description

Drainage system for photovoltaic modules

technical field

The invention relates to the field of photovoltaic building integration, in particular to a drainage system for photovoltaic components.

Background technique

With the development of solar technology, more and more buildings are installed with photovoltaic panels to generate electricity from solar energy. However, because photovoltaic panels need to work in the open air, there is a problem of surface water on the photovoltaic panels when it rains. It will cause the accumulated water to leak into the interior of the photovoltaic panel, thereby destroying the internal components of the photovoltaic panel, affecting the normal operation of the photovoltaic panel and even causing damage to the photovoltaic panel. Therefore, the drainage performance of the installation structure of the photovoltaic panel is particularly important. The existing photovoltaic panels use color steel tiles to connect the gaps between the photovoltaic panels for drainage, but the drainage effect of this drainage structure is not ideal and needs to be improved.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a drainage system for photovoltaic modules, which can enhance the drainage effect.

The drainage system of photovoltaic modules according to the first aspect of the present invention includes: a support assembly; a longitudinally arranged first beam body, the first beam body has a plurality of and is disposed on the support assembly, and the plurality of the first beam bodies are arranged on the support assembly. The first beams are arranged at intervals along the transverse direction, and there is an included angle α between the first beams and the horizontal plane; the photovoltaic panels have a plurality of photovoltaic panels and are arranged on the first beams, and two adjacent transversely adjacent beams have an angle α. A longitudinal gap is set between each of the photovoltaic panels, and a transverse gap is set between two longitudinally adjacent photovoltaic panels; a longitudinal guide groove group, the longitudinal guide groove group is set on the first beam body and located directly below the longitudinal gap, the longitudinal diversion groove group has a drain end; the transverse diversion groove has a plurality of and is arranged at intervals along the longitudinal direction, and the transverse diversion grooves are arranged Between the two adjacent first beam bodies and just below the transverse gap, the transverse diversion groove can guide water into the longitudinal diversion groove group; a drainage groove, the drainage groove It is laterally arranged below the drainage end of the longitudinal guide groove group, and the drainage groove is used for receiving and discharging the water discharged from the longitudinal guide groove group.

The drainage system of the photovoltaic module according to the embodiment of the present invention has at least the following beneficial effects: collecting the water in the longitudinal gap through the vertical guide groove group, and collecting the water in the lateral gap through the lateral guide groove and guide the water into the longitudinal guide groove group, and there is an included angle α between the first beam body and the horizontal plane, so that the water in the longitudinal guide groove group can be discharged into the drainage groove and discharged by The drainage groove is simple in structure and can enhance the drainage effect.

According to some embodiments of the present invention, the longitudinal guide groove group includes a longitudinal guide groove and auxiliary grooves disposed on both sides of the longitudinal guide groove, and the lateral guide grooves are communicated with the auxiliary grooves to The water in the lateral guide groove is discharged into the auxiliary groove, which has a simple structure and is easy to implement.

According to some embodiments of the present invention, the top of the groove wall outside the auxiliary groove is provided with a first folded edge, and the end of the lateral guide groove is overlapped with the first folded edge, which has a simple and easy structure. accomplish.

According to some embodiments of the present invention, the top of the groove wall of the longitudinal guide groove is provided with a second folded edge, the photovoltaic panel is overlapped on the second folded edge, and the photovoltaic panel is connected to the first folded edge. A waterproof adhesive layer is arranged between the two folded edges, and the photovoltaic panel is bonded to the second folded edge through the adhesive layer, which has a simple structure and good waterproof performance.

According to some embodiments of the present invention, both ends of the lateral guide groove are lower than the middle part of the lateral guide groove, so that the water in the lateral guide groove can flow to the two sides of the lateral guide groove. end, so as to guide the water in the lateral guide grooves to the longitudinal guide groove group.

According to some embodiments of the present invention, the included angle α is in the range of 3°-5°, which can not only ensure the effective area of the photovoltaic panel for absorbing solar energy, but also enable the water in the longitudinal diversion groove group to be discharged to the in the drain.

According to some embodiments of the present invention, the support assembly includes a bracket, a second beam body, and a secondary beam, the second beam body is disposed on the bracket, and the secondary beam is disposed on top of the second beam body , the secondary beam and the second beam body are arranged staggered, the first beam body is arranged on the top of the secondary beam, and the first beam body and the secondary beam are arranged staggered, which is beneficial to strengthen the support The support strength of the component.

According to some embodiments of the present invention, a connecting structure for detachably connecting the first beam body and the secondary beam is provided to facilitate installation and disassembly.

According to some embodiments of the present invention, the connection structure includes a fastening bolt, a fastening nut and a connecting piece, the connecting piece is U-shaped and is used to support the secondary beam, and the bottom of the first beam body is provided with a useful A connecting groove for accommodating the tightening nut, the bottom of the side wall of the connecting groove is provided with an overlapping portion for supporting the tightening nut, and the tightening nut is arranged in the connecting groove and overlaps Connected to the lap joint, the connector is provided with a lug, and the fastening bolt passes through the lug and is threadedly connected with the fastening nut to fix the secondary beam to the The bottom of the first beam body is simple in structure and easy to realize.

According to some embodiments of the present invention, an arc-shaped buffer structure for slowing the impact force of water flow is provided on the groove wall of the drainage groove, so as to prevent the water in the longitudinal guide groove group from being discharged into the drainage groove due to The impact overflows the gutters.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

1 is a schematic structural diagram of an embodiment of the present invention;

Fig. 2 is a partial enlarged schematic diagram at A in Fig. 1;

Fig. 3 is the side structure schematic diagram of the embodiment of the present invention;

4 is a schematic diagram of the connection structure of the secondary beam and the first beam body according to an embodiment of the present invention;

Fig. 5 is a partial enlarged schematic diagram at B in Fig. 4;

6 is a schematic structural diagram of a first beam body according to an embodiment of the present invention.

Reference number:

Included angle α, support assembly 100, bracket 110, second beam body 120, secondary beam 130, first beam body 200, longitudinal diversion groove group 210, longitudinal diversion groove 211, second folding edge 2111, auxiliary groove 212, The first folding edge 2121, the connecting groove 220, the overlapping portion 221, the convex edge 2211, the photovoltaic panel 300, the vertical gap 310, the horizontal gap 320, the horizontal guide groove 400, the drainage groove 500, the arc buffer structure 510, the connecting structure 600 , Fastening bolts 610 , connecting pieces 620 , and lugs 621 .

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that if the orientation description is involved, for example, the orientation or positional relationship indicated by up, down, front, rear, left, right, etc. is based on the orientation or positional relationship shown in the drawings, only It is to facilitate the description of the present invention and to simplify the description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, if there are words such as several, greater than, less than, more than, above, below, within, etc., where the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than etc. shall be understood as not including this number, and above, below, within, etc., shall be understood as including this number.

In the description of the present invention, if words such as first and second appear, they are only used for the purpose of distinguishing technical features, and should not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicit Indicates the order of the indicated technical features.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

1 to 3 , a drainage system for a photovoltaic module according to an embodiment of the present invention includes a support assembly 100 , a longitudinally arranged first beam body 200 , a longitudinal guide groove group 210 , a photovoltaic panel 300 , a lateral guide groove 400 and Gutter 500.

The plurality of first beams 200 are disposed on the support assembly 100 , the plurality of first beams 200 are arranged at intervals along the lateral direction, and there is an included angle α between the first beams 200 and the horizontal plane, and the photovoltaic panel 300 has a plurality of parallels. It is arranged on the first beam body 200, a longitudinal gap 310 is arranged between two horizontally adjacent photovoltaic panels 300, a horizontal gap 320 is arranged between two vertically adjacent photovoltaic panels 300, and a vertical guide groove group 210 is arranged On the first beam body 200 and located just below the longitudinal gap 310, the longitudinal diversion groove group 210 has a drain end, the transverse diversion grooves 400 have a plurality of and are arranged at intervals along the longitudinal direction, and the transverse diversion grooves 400 are disposed adjacent to each other. Between the two first beams 200 and located just below the transverse gap 320, the transverse diversion groove 400 can guide water into the longitudinal diversion groove group 210, and the drainage groove 500 is laterally arranged in the longitudinal diversion groove group 210. Below the drainage end, the drainage groove 500 is used to receive and discharge the water discharged from the longitudinal guide groove group 210 .

The water in the longitudinal gap 310 is collected by the longitudinal guide groove group 210 , the water in the lateral gap 320 is collected by the lateral guide groove 400 and guided into the longitudinal guide groove group 210 , and the first beam body 200 and the horizontal plane are separated from each other. With the included angle α, the water in the longitudinal guide groove group 210 can be discharged into the drainage groove 500 and discharged from the drainage groove 500 , the structure is simple, and the drainage effect can be enhanced.

2 , 4 and 6 , in some embodiments, the longitudinal guide groove group 210 includes a longitudinal guide groove 211 and auxiliary grooves 212 disposed on both sides of the longitudinal guide groove 211 , and the lateral guide groove 400 It is communicated with the auxiliary groove 212 to discharge the water in the lateral guide groove 400 to the auxiliary groove 212, and the structure is simple and easy to realize.

2, 4 and 6, in some of the embodiments, the top of the groove wall outside the auxiliary groove 212 is provided with a first folded edge 2121, and the end of the lateral guide groove 400 is overlapped with the first folded edge 2121, its structure is simple and easy to implement.

2 , 4 and 6 , in some of the embodiments, a second folded edge 2111 is provided on the top of the groove wall of the longitudinal guide groove 211 , and the photovoltaic panel 300 is overlapped on the second folded edge 2111 , and A waterproof adhesive layer is disposed between the photovoltaic panel 300 and the second folding edge 2111 , and the photovoltaic panel 300 is bonded to the second folding edge 2111 through the adhesive layer, which has a simple structure and good waterproof performance.

In some of the embodiments, the two ends of the lateral guide groove 400 are lower than the middle part of the lateral guide groove 400, so that the water in the lateral guide groove 400 can flow to the two ends of the lateral guide groove 400, so as to facilitate the The water in the lateral guide groove 400 is guided into the auxiliary groove 212 .

In some of the embodiments, the included angle α is in the range of 3°-5°, which can not only ensure the effective area of the photovoltaic panel 300 for absorbing solar energy, but also allow the water in the vertical diversion groove group 210 to drain into the drainage groove 500 . Specifically, the included angle α is 4°. Of course, the included angle α may also be 3° or 5°, which is not limited herein.

3 and 4 , in some embodiments, the support assembly 100 includes a bracket 110 , a second beam body 120 and a secondary beam 130 , the second beam body 120 is arranged on the bracket 110 , and the secondary beam 130 is arranged on the second beam 130 . On the top of the beam body 120 , the secondary beam 130 and the second beam body 120 are arranged staggered, the first beam body 200 is arranged on the top of the secondary beam 130 , and the first beam body 200 and the secondary beam 130 are arranged staggered, which is beneficial to enhance the support assembly 100 . Support strength. Specifically, the second beam body 120 can be connected to the bracket 110 by screws or welded to the bracket 110 , and the secondary beam 130 can be connected to the second beam body 120 by screws or welded to the second beam body 120 , which is not limited here.

In some of the embodiments, a connecting structure 600 for detachably connecting the first beam body 200 and the secondary beam 130 is provided to facilitate installation and disassembly.

4, in some of the embodiments, the connection structure 600 includes a fastening bolt 610, a fastening nut (not shown in the figure) and a connecting piece 620. The connecting piece 620 is U-shaped and is used to support the secondary beam 130, The bottom of the first beam body 200 is provided with a connecting groove 220 for accommodating the fastening nut, the bottom of the side wall of the connecting groove 220 is provided with a lap joint 221 for supporting the fastening nut, and the fastening nut is arranged in the connecting groove 220 The connecting member 620 is provided with a lug 621, and the fastening bolt 610 passes through the lug 621 and is threadedly connected with the fastening nut, so as to fix the secondary beam 130 to the first beam body 200, its structure is simple and easy to implement.

Referring to FIG. 5 , in some of the embodiments, the overlapping portion 221 is provided with an upwardly extending rib 2211 , and the bottom of the fastening nut is provided with a slot (not shown in the figure) for engaging with the rib 2211 , to enhance the stability of the joint.

It should be noted that, the first beam body may also be welded on the secondary beam, which is not limited herein.

Referring to FIG. 3 , in some of the embodiments, an arc-shaped buffer structure 510 for slowing the impact force of the water flow is provided on the groove wall of the drainage groove 500 to prevent the water in the longitudinal guide groove group 210 from being discharged into the drainage groove 500 When it overflows the drainage groove 500 due to the impact force.

In the description of this specification, if referring to the description of reference terms such as "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" and "some examples", it means A particular feature, structure, material, or characteristic described in connection with this embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. A drainage system for a photovoltaic module, comprising:

a support assembly (100);

the first beam body (200) is arranged longitudinally, the first beam body (200) is provided with a plurality of beams and is arranged on the support component (100), the first beam bodies (200) are arranged at intervals along the transverse direction, and an included angle alpha is formed between the first beam bodies (200) and the horizontal plane;

the photovoltaic panels (300) are provided with a plurality of photovoltaic panels (300) and are arranged on the first beam body (200), a longitudinal gap (310) is arranged between every two photovoltaic panels (300) which are adjacent in the transverse direction, and a transverse gap (320) is arranged between every two photovoltaic panels (300) which are adjacent in the longitudinal direction;

the longitudinal flow guide groove group (210) is arranged on the first beam body (200) and is positioned right below the longitudinal gap (310), and the longitudinal flow guide groove group (210) is provided with a drainage end;

the transverse guide grooves (400) are arranged at intervals along the longitudinal direction, the transverse guide grooves (400) are arranged between two adjacent first beam bodies (200) and are positioned right below the transverse gap (320), and the transverse guide grooves (400) can guide water into the longitudinal guide groove group (210);

the drainage groove (500) is transversely arranged below the drainage end of the longitudinal diversion groove group (210), and the drainage groove (500) is used for receiving and discharging water drained by the longitudinal diversion groove group (210).

2. The drainage system of a photovoltaic module according to claim 1, wherein the longitudinal guide grooves (210) comprise longitudinal guide grooves (211) and sub-grooves (212) disposed at both sides of the longitudinal guide grooves (211), and the transverse guide grooves (400) communicate with the sub-grooves (212).

3. The drainage system of a photovoltaic module according to claim 2, wherein the top of the tank wall outside the sub-tank (212) is provided with a first hem (2121), and the end of the lateral baffle tank (400) is overlapped on the first hem (2121).

4. The drainage system of a photovoltaic module according to claim 2, wherein a second folded edge (2111) is provided on the top of the wall of the longitudinal flow guide groove (211), the photovoltaic panel (300) is lapped on the second folded edge (2111), and a waterproof adhesive layer is provided between the photovoltaic panel (300) and the second folded edge (2111).

5. The drainage system of a photovoltaic module according to claim 1, wherein both ends of the lateral guide groove (400) are lower than a middle portion of the lateral guide groove (400) to allow water in the lateral guide groove (400) to flow toward both ends of the lateral guide groove (400).

6. The drainage system of a photovoltaic module of claim 1, wherein the included angle α is in the range of 3 ° to 5 °.

7. The drainage system of a photovoltaic module according to claim 1, wherein the support assembly (100) comprises a support (110), a second beam body (120) and a secondary beam (130), the second beam body (120) is disposed on the support (110), the secondary beam (130) is disposed on a top of the second beam body (120), the secondary beam (130) is disposed to be staggered with respect to the second beam body (120), the first beam body (200) is disposed to be staggered with respect to the secondary beam (130), and the first beam body (200) is disposed to be staggered with respect to the secondary beam (130).

8. The drainage system of a photovoltaic module according to claim 7, wherein a connection structure (600) is provided between the first beam body (200) and the secondary beam (130) for detachably connecting the two.

9. The drainage system of a photovoltaic module according to claim 8, wherein the connection structure (600) comprises a fastening bolt (610), a fastening nut, and a connector (620), the connecting piece (620) is U-shaped and used for supporting the secondary beam (130), the bottom of the first beam body (200) is provided with a connecting groove (220) used for accommodating the fastening nut, the bottom of the side wall of the connecting groove (220) is provided with a lapping part (221) for supporting the fastening nut, the fastening nut is arranged in the connecting groove (220) and is lapped on the lapping part (221), the connecting piece (620) is provided with a lug (621), the fastening bolt (610) is arranged on the lug (621) in a penetrating way and is in threaded connection with the fastening nut, so as to fix the secondary beam (130) to the bottom of the first beam body (200).

10. The drainage system of a photovoltaic module according to claim 1, wherein the wall of the drainage channel (500) is provided with an arc-shaped buffer structure (510) for buffering the impact force of water flow.

Images