CN220203217U

CN220203217U - Drainage structures of photovoltaic roofing

Info

Publication number: CN220203217U
Application number: CN202321361756.XU
Authority: CN
Inventors: 胡伟伟; 曹源
Original assignee: Shaanxi Dijian Land Comprehensive Development Co ltd
Current assignee: Shaanxi Dijian Land Comprehensive Development Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-12-19
Anticipated expiration: 2033-05-31

Abstract

The utility model aims to provide a drainage structure of a photovoltaic roof, which comprises a drainage frame and a main drainage pipe, wherein the drainage frame comprises a side drainage groove, an inner drainage groove communicated with the side drainage groove, a photovoltaic plate lapped on the inner drainage groove, and a main drainage groove communicated with the end part of the side drainage groove, and a plurality of water collection tanks are communicated with the bottom of the main drainage groove. The utility model relates to the technical field of photovoltaic roofs, which can uniformly collect and aggregate accumulated water flowing downwards from a photovoltaic plate through the design of a drainage frame, and then flow into a water collecting pipe and a main drainage pipe through a water dividing drainage pipe. And the design of the water dividing and discharging pipes and the water collecting tank can be used for multi-point collection and discharge, and the design of the direction-changeable water collecting tank can be suitable for any roof condition and can be suitable for complex houses. And the extension part is formed at the joint of the branch pipe and the water collecting pipe, so that water liquid and sundries can be directly and completely discharged into the water collecting pipe and the main water discharging pipe, the joint can not be at the welding joint, and the smooth discharging effect is ensured.

Description

Drainage structures of photovoltaic roofing

Technical Field

The utility model relates to the technical field of photovoltaic roofs, in particular to a drainage structure of a photovoltaic roof.

Background

The installation mode of the photovoltaic module on the roof is not only to consider sunlight and shadow, but also to consider the problems of load, wind pressure resistance, earthquake resistance, drainage, water resistance, lightning protection and the like in engineering. Because the engineering mainly relates to the combination of the photovoltaic bracket and the roof, and further relates to the roof waterproof problem, the design mode relates to the service life of the building, and the production activity and the normal running of people life are directly influenced.

In photovoltaic module's drainage problem, mainly prevent that the rainwater from accumulating, guarantee that the rainwater can flow to the house roof on, drain through the drainage channel in house. This approach undoubtedly increases the drainage pressure of the house, resulting in a failure of the water accumulation to drain quickly. Therefore, a drainage system is required to be independently arranged for the photovoltaic module, and the accumulated water flowing out of the photovoltaic module is ensured to be discharged independently and rapidly.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a drainage structure of a photovoltaic roof, which solves the problem of inconvenient drainage when the existing photovoltaic assembly is installed on the roof.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme: the drainage structure of the photovoltaic roof comprises a drainage frame and a main drainage pipe, wherein the drainage frame comprises a side drainage groove, an inner drainage groove communicated with the side drainage groove, a photovoltaic plate lapped on the inner drainage groove, and a main drainage groove communicated with the end part of the side drainage groove, wherein the bottom of the main drainage groove is communicated with a plurality of water collection tanks, the bottom of the main drainage groove is provided with drainage holes communicated with the water collection tanks, and a plurality of water collection tanks are communicated with the main drainage pipe through communication pipes;

the communicating pipe fitting comprises a water collecting pipe communicated with the main water discharging pipe, and a plurality of water dividing and discharging pipes communicated with the water collecting tank are communicated with the water collecting pipe.

Preferably, the water dividing and draining pipe is connected between the water collecting tanks and the water collecting pipes in a direction-changeable manner.

Preferably, the water dividing and draining pipe comprises:

a downpipe communicated with the water collection tank;

a branch pipe communicated with the water collecting pipe;

and a composite pipe which is connected between the downpipe and the branch pipe in a bendable way.

Preferably, the compound piping comprises a connecting pipe, and two ends of the connecting pipe are communicated with the branch pipe and the downpipe through elbows.

Preferably, the connecting pipe is a straight pipe or a bent pipe.

Preferably, the branch pipe is inserted into the water collecting pipe and extends into the water collecting pipe to form an extension part.

Preferably, the outer side wall of the downpipe is provided with an exhaust component capable of exhausting gas, and the exhaust component comprises a through hole formed in the side wall of the downpipe and an overflow pipe connected to the through hole.

Preferably, one end of the overflow pipe far away from the through hole is communicated with the water collecting tank.

Advantageous effects

Through the drainage structure of the photovoltaic roof, accumulated water flowing downwards from the photovoltaic panel can be collected and converged uniformly through the design of the drainage frame, and then flows into the water collecting pipe and the main drainage pipe through the water dividing and draining pipe. And the design of the water dividing and discharging pipes and the water collecting tank can be used for multi-point collection and discharge, and the design of the direction-changeable water collecting tank can be suitable for any roof condition and can be suitable for complex houses. And the extension part is formed at the joint of the branch pipe and the water collecting pipe, so that water liquid and sundries can be directly and completely discharged into the water collecting pipe and the main water discharging pipe, the joint can not be at the welding joint, and the smooth discharging effect is ensured.

Drawings

FIG. 1 is a schematic view of a connection structure between a photovoltaic panel and a drainage structure according to the present utility model;

FIG. 2 is a schematic view of a drainage structure according to the present utility model;

FIG. 3 is a schematic diagram of the connection structure of the overflow pipe and the downpipe of the present utility model.

Description of the symbols in the drawings

1. The photovoltaic panel, 2, the inner drainage tank, 3, the side drainage tank, 4, the main drainage tank, 5, the water collecting tank, 6, the branch pipe, 7, a water collecting pipe, 8, a main water drain pipe, 9, a water drain hole, 10, a full overflow pipe, 11, a downpipe, 12 and a compound pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Various modifications can be made to the embodiments as long as the effects of the present utility model can be exerted.

The components in the present case are sequentially connected by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described.

Referring to fig. 1 to 3, the drainage structure of the photovoltaic roofing of this embodiment is described, and the drainage structure of the photovoltaic roofing includes a drainage rack and a main drainage pipe 8, wherein the drainage rack includes a side drainage groove 3, an inner drainage groove 2 connected to the side drainage groove 3, a photovoltaic panel 1 lapped on the inner drainage groove 2, and a lap joint gap between two adjacent photovoltaic panels 1 located above the inner drainage groove 2, so that water on the photovoltaic panels 1 can flow directly into the inner drainage groove 2.

The drainage rack further comprises a main drainage tank 4 communicated with the end part of the side drainage tank 3, a plurality of water collecting tanks 5 are communicated with the bottom of the main drainage tank 4, drainage holes 9 communicated with the water collecting tanks 5 are formed in the bottom surface of the main drainage tank 4, and the plurality of water collecting tanks 5 are communicated with a main drainage pipe 8 through communication pipes. The water accumulated in the inner water discharge groove 2 is converged into the side water discharge groove 3, and the water in the side water discharge groove 3 is input into the main water discharge groove 4 for converging. The water in the main drain tank 4 flows into the water collection tank 5 through the drain hole 9, and is drained into the main drain pipe 8 through the communicating pipe.

The communicating pipe fitting comprises a water collecting pipe 7 communicated with a main water discharging pipe 8, and a plurality of water dividing and discharging pipes communicated with the water collecting tank 5 are communicated with the water collecting pipe 7.

Wherein, divide the drain pipe steerable to connect between a plurality of header tanks 5 and header pipes 7.

The branch drain pipe includes:

a downpipe 11 communicated with the water collection tank 5; by adopting a direct connection mode, the accumulated water in the water collecting tank 5 is directly discharged into the downpipe 11.

A branch pipe 6 communicated with the water collecting pipe 7; is connected to the water collecting pipe 7 in advance and is connected in a hot melting mode. The branch pipe 6 is inserted into the water collecting pipe 7 and extends into the water collecting pipe 7 to form an extension part; when the accumulated water flows in, the accumulated water is directly communicated into the water collecting pipe 7, so that hot fusion knots caused by direct connection of the branch pipe 6 and the water collecting pipe 7 are reduced, and pipeline blockage caused by hooking foreign matters on the knots is avoided.

A composite pipe 12 is connected between the down pipe 11 and the branch pipe 6 in a bendable manner.

Wherein, the compound pipe 12 comprises a connecting pipe, and two ends of the connecting pipe are communicated with the branch pipe 6 and the downpipe 11 through elbows.

The connecting pipe is a straight pipe or a bent pipe.

When actually installed:

a water collection tank 5 is hermetically installed under each drain hole 9.

The water collecting pipe 7 is pre-connected to the main water discharging pipe 8.

The length and the installation angle of the return pipe 12 are selected according to the angle and the distance between the down pipe 11 and the branch pipe 6. And (5) selecting the bent pipe with the adaptive angle according to the angle for installation.

The main drain pipe 8 is a drain pipe of house, and the plurality of water collection tanks 5 can concentrate on one main drain pipe 8 for drainage. By the bendable design of the composite pipe 12, the drainage structure can be intensively discharged without being affected by the terrain.

The outer side wall of the downpipe 11 is provided with an exhaust assembly capable of exhausting gas, and the exhaust assembly comprises a through hole formed in the side wall of the downpipe 11 and an overflow pipe 10 connected to the through hole.

The end of the overflow pipe 10 far away from the through hole is communicated with the water collecting tank 5.

When the rainwater is excessively large, a large amount of accumulated water is concentrated in the water collecting tank 5, and when the rainwater is discharged into the downpipe 11, the situation of blocking by foreign matters can occur, so that the downflow speed is influenced. When the overflow pipe 10 is filled, the water in the water tank 5 rises to a certain height, and is discharged into the down-flow pipe 11 through the overflow pipe 10, so that accumulated water is discharged.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drainage structure of photovoltaic roofing, includes drainage frame and main drain pipe (8), its characterized in that: the drainage rack comprises a side drainage groove (3), an inner drainage groove (2) communicated with the side drainage groove (3), a photovoltaic panel (1) lapped on the inner drainage groove (2), a main drainage groove (4) communicated with the end part of the side drainage groove (3), a plurality of water collection tanks (5) communicated with the bottom of the main drainage groove (4), drainage holes (9) communicated with the water collection tanks (5) formed in the bottom surface of the main drainage groove (4), and a plurality of water collection tanks (5) communicated with a main drainage pipe (8) through communication pipes;

the communicating pipe fitting comprises a water collecting pipe (7) communicated with the main water discharging pipe (8), and a plurality of water dividing and discharging pipes communicated with the water collecting tank (5) are communicated with the water collecting pipe (7).

2. The drainage structure of a photovoltaic roofing according to claim 1, wherein: the water dividing and draining pipe is connected between the water collecting tanks (5) and the water collecting pipes (7) in a direction-changeable manner.

3. The drainage structure of a photovoltaic roofing according to claim 2, wherein: the water separating and draining pipe comprises:

a downpipe (11) communicated with the water collection tank (5);

a branch pipe (6) communicated with the water collecting pipe (7);

a composite pipe (12) which is connected between the downpipe (11) and the branch pipe (6) in a bendable manner.

4. A drainage structure of a photovoltaic roofing according to claim 3, characterized in that: the compound pipe (12) comprises a connecting pipe, and two ends of the connecting pipe are communicated with the branch pipe (6) and the downpipe (11) through elbows.

5. The drainage structure of a photovoltaic roofing according to claim 4, wherein: the connecting pipe is a straight pipe or a bent pipe.

6. A drainage structure of a photovoltaic roofing according to claim 3, characterized in that: the branch pipe (6) is inserted into the water collecting pipe (7) and extends into the water collecting pipe (7) to form an extension part.

7. A drainage structure of a photovoltaic roofing according to claim 3, characterized in that: the outer side wall of the downpipe (11) is provided with an exhaust component capable of exhausting gas, and the exhaust component comprises a through hole formed in the side wall of the downpipe (11) and a full overflow pipe (10) connected to the through hole.

8. The photovoltaic roofing drainage structure of claim 7, wherein: one end of the overflow pipe (10) far away from the through hole is communicated with the water collecting tank (5).