1. The utility model provides a waterproof photovoltaic glass skylight system, including bed frame (1), bed frame (1) on be fixed with fixed fan (2), fixed fan (2) normal running fit have a plurality of activity fans (3), the external fixed surface of activity fan (3) have photovoltaic glass panel (4), characterized by: the fixed fan (2) is provided with a first drainage cavity (21), a second drainage cavity (22), a third drainage cavity (23) and an evaporation cavity (24), the second drainage cavity (22), the third drainage cavity (23) and the evaporation cavity (24) are distributed in a delta shape, a first drainage hole (21a) is formed in the outer side of the bottom of the first drainage cavity (21), a second drainage hole (22a) communicated with the third drainage cavity (23) is formed in the bottom of the second drainage cavity (22), and a third drainage hole (23a) is formed in the outer side of the bottom of the third drainage cavity (23); the tip of activity fan (3) be provided with first sealing member (51), fixed fan (2) on be provided with first sealing member (51) matched with second sealing member (52), first drainage chamber (21) and second drainage chamber (22) between be provided with third sealing member (53), second drainage chamber (22) and evaporation chamber (24) between be provided with fourth sealing member (54).

2. The waterproof photovoltaic glass skylight system of claim 1, wherein: fixed fan (2) on be provided with electric start stop device, electric start stop device including electric telescopic handle (61), the one end of electric telescopic handle (61) with be fixed in fixed fan (2) on mount pad (62) articulated mutually, the other end of electric telescopic handle (61) and the end of opening of activity fan (3) articulated mutually, the articulated end and the fixed fan (2) normal running fit of activity fan (3).

3. The waterproof photovoltaic glass skylight system of claim 2, wherein: the tip of activity fan (3) outwards extend and be formed with apron (31), when activity fan (3) were closed, apron (31) lid in first drainage chamber (21) top.

4. The waterproof photovoltaic glass skylight system of claim 3, wherein: the first sealing element (51) is fixed on the cover plate (31), and the first sealing element (51) extends outwards to form a water guide part (51 a).

5. The waterproof photovoltaic glass skylight system of claim 4, wherein: the bottom surface of the third drainage chamber (23) is lower than the bottom surface of the second drainage chamber (22), and the installation height of the fourth sealing member (54) is higher than the second drainage hole (22 a).

6. The waterproof photovoltaic glass skylight system of claim 5, wherein: the second seal (52), the third seal (53) and the fourth seal (54) are mounted in different directions.

7. The waterproof photovoltaic glass skylight system of claim 6, wherein: the fixed fan (2) and the movable fan (3) are made of multi-cavity aluminum alloy heat insulation profiles.

8. The waterproof photovoltaic glass skylight system of claim 7, wherein: the fixed fan (2) is provided with a baffle (25) on the inner side of the evaporation cavity (24), and the upper end of the baffle (25) is bent inwards to form an inward bent part (25 a).

9. The waterproof photovoltaic glass skylight system of claim 8, wherein: a sealing strip (7) is arranged between the adjacent fixed fans (2) and is sealed by a sealing glue (7 a).

10. The waterproof photovoltaic glass skylight system of claim 9, wherein: an anti-falling grille (8) is fixed below the movable fan (3) on the base frame (1).

Background

With the development and application of new energy technology, photovoltaic devices are applied in many fields, and a photovoltaic glass skylight is one of the photovoltaic glass skylight, and the photovoltaic glass panel is used for converting solar energy to generate electricity under the condition that the use of the skylight is not influenced. Conventional photovoltaic glass panels, which hamper the limitations of photovoltaic cabling and system construction, basically adopt a fixed mode. Even if it can be opened, the opening angle is very limited.

Considering that a plurality of cables are arranged in the photovoltaic glass skylight, the waterproof performance of the photovoltaic glass skylight is particularly important, the traditional photovoltaic glass skylight is mostly waterproof in a 'blocking' mode, namely various sealing rubber strips are arranged at the joint to achieve the waterproof purpose, but the sealing rubber strips are aged and invalid under the action of rainwater and ultraviolet rays, once the sealing rubber strips are invalid, the skylight has a water leakage phenomenon, and in serious cases, stress components of the skylight are corroded to influence the use safety of the skylight.

The patent application of current application number CN201921984755.4 name "a waterproof skylight of high leakproofness with drainage effect" discloses a waterproof skylight, is equipped with the sealing strip between skylight fan frame and the skylight frame, the sealing strip includes first sealing strip, second sealing strip and third sealing strip, hinge outer end one side is equipped with the baffle of fixed mounting in skylight frame upper end, the wash port has been seted up between baffle and the skylight frame, the wash port side is equipped with the water drainage tank of arranging hinge outer end below in, the second sealing strip pastes with the baffle outer wall. It seals through 3 sealing strips to through the setting of wash port, water drainage tank, derive water when first sealing strip, second sealing strip are invalid, the third sealing strip is as last defence line, but when the third sealing strip is invalid, the phenomenon of leaking still can appear, therefore its structure is waited to further improve.

Disclosure of Invention

The invention aims to make up the defects, discloses a waterproof photovoltaic glass skylight system which is reasonable in structure and capable of greatly improving the waterproof performance to the society.

The technical scheme of the invention is realized as follows:

a waterproof photovoltaic glass skylight system comprises a base frame, wherein a fixed fan is fixed on the base frame, a plurality of movable fans are rotatably matched with the fixed fan, a photovoltaic glass panel is fixed on the outer surface of each movable fan, a first drainage cavity, a second drainage cavity, a third drainage cavity and an evaporation cavity are arranged on the fixed fan, the second drainage cavity, the third drainage cavity and the evaporation cavity are distributed in a shape like a Chinese character 'pin', a first drainage hole is formed in the outer side of the bottom of the first drainage cavity, a second drainage hole communicated with the third drainage cavity is formed in the bottom of the second drainage cavity, and a third drainage hole is formed in the outer side of the bottom of the third drainage cavity; the tip of activity fan be provided with first sealing member, fixed fan on be provided with first sealing member matched with second sealing member, first drainage chamber and second drainage chamber between be provided with the third sealing member, the second drainage chamber and evaporation chamber between be provided with the fourth sealing member.

The measures for further optimizing the technical scheme are as follows:

as an improvement, fixed fan on be provided with electric start stop device, electric start stop device including electric telescopic handle, electric telescopic handle's one end with be fixed in fixed fan on the mount pad articulated mutually, electric telescopic handle's the other end and the opening end of activity fan articulated mutually, the articulated end and the fixed fan normal running fit of activity fan.

As an improvement, the end part of the movable fan extends outwards to form a cover plate, and when the movable fan is closed, the cover plate covers the first drainage cavity.

As an improvement, the first sealing element is fixed on the cover plate, and the first sealing element extends outwards to form a water guide part.

As an improvement, the bottom surface of the third drainage cavity is lower than the bottom surface of the second drainage cavity, and the installation height of the fourth sealing element is higher than the second drainage hole.

In a modification, the second seal, the third seal and the fourth seal are mounted in different directions.

As an improvement, the fixed fan and the movable fan are made of multi-cavity aluminum alloy heat insulation profiles.

As an improvement, the fixed fan is provided with a baffle plate at the inner side of the evaporation cavity, and the upper end of the baffle plate is bent inwards to form an inwards bent part.

As an improvement, a sealing strip is arranged between adjacent fixed fans and is sealed by a sealing glue.

As an improvement, a falling-preventing grid is fixed below the movable fan on the base frame.

Compared with the prior art, the invention has the advantages that:

the waterproof photovoltaic glass skylight system is reasonable in structure, multiple sealing pieces are arranged in a mode of combining dredging and blocking to improve the waterproof performance, the drainage cavities are used for draining water and the evaporation cavities are arranged through the arrangement of the first drainage cavity, the second drainage cavity and the third drainage cavity when the first sealing piece, the second sealing piece and the third sealing piece fail, a small amount of water enters the evaporation cavities under the condition that most of water is drained when the fourth sealing piece fails, water leakage can be prevented under the condition that all the sealing pieces fail, and the waterproof performance of the skylight is greatly improved.

Drawings

FIG. 1 is a schematic view of the movable fan of the present invention when closed;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion A1 of FIG. 2;

FIG. 4 is a schematic view of the movable fan of the present invention in an open configuration;

FIG. 5 is an enlarged view of portion B of FIG. 4;

FIG. 6 is a schematic view of the drainage of the present invention.

The names of the reference numbers in the drawings of the invention are as follows:

the solar photovoltaic water heater comprises a base frame 1, a fixed fan 2, a first drainage cavity 21, a first drainage hole 21a, a second drainage cavity 22, a second drainage hole 22a, a third drainage cavity 23, a third drainage hole 23a, an evaporation cavity 24, a baffle 25, an inward-bending part 25a, a movable fan 3, a cover plate 31, a photovoltaic glass panel 4, a first sealing element 51, a water guide part 51a, a second sealing element 52, a third sealing element 53, a fourth sealing element 54, an electric telescopic rod 61, a mounting seat 62, a sealing strip 7, a sealing glue 7a and a falling prevention grid 8.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings:

as shown in fig. 1 to 6, a waterproof photovoltaic glass skylight system includes a base frame 1, a fixed fan 2 is fixed on the base frame 1, the fixed fan 2 is rotatably matched with a plurality of movable fans 3, a photovoltaic glass panel 4 is fixed on the outer surface of each movable fan 3, a first drainage cavity 21, a second drainage cavity 22, a third drainage cavity 23 and an evaporation cavity 24 are arranged on each fixed fan 2, the second drainage cavity 22, the third drainage cavity 23 and the evaporation cavity 24 are distributed in a delta shape, a first drainage hole 21a is arranged on the outer side of the bottom of the first drainage cavity 21, a second drainage hole 22a communicated with the third drainage cavity 23 is arranged on the bottom of the second drainage cavity 22, and a third drainage hole 23a is arranged on the outer side of the bottom of the third drainage cavity 23; the tip of activity fan 3 be provided with first sealing member 51, fixed fan 2 on be provided with first sealing member 51 matched with second sealing member 52, first drainage chamber 21 and second drainage chamber 22 between be provided with third sealing member 53, second drainage chamber 22 and evaporation chamber 24 between be provided with fourth sealing member 54.

The photovoltaic glass panel 4 is fixed on the surface of the movable fan 3 by adopting double-sided paste and silicone structural sealant.

Fixed fan 2 on be provided with electric start stop device, electric start stop device including electric telescopic handle 61, electric telescopic handle 61 one end with be fixed in fixed fan 2 on mount pad 62 articulated mutually, electric telescopic handle 61 the other end and the opening end of activity fan 3 articulated mutually, the articulated end and the fixed 2 normal running fit of fan of activity fan 3.

The wiring end of the photovoltaic glass panel 4 and the hinged end of the movable fan 3 are arranged on the same side, and the connecting wire is provided with enough movable length to meet the telescopic amount when the movable fan 3 is opened. And the outside of the connecting wire of the photovoltaic glass panel 4 is provided with a sealing strip and a sealant for sealing.

The maximum opening angle of the electric opening and closing device is at least 70 degrees, the two ends of the electric telescopic rod 61 are respectively hinged with the mounting seat 62 and the movable fan 3, the fixed fan 2, the movable fan 3 and the electric telescopic rod 61 form a triangle, the two hinged positions serve as three vertexes of the triangle, the lengths of the fixed fan 2 and the movable fan 3 are kept unchanged, and the opening and closing of the movable fan 3 can be automatically realized along with the stretching of the electric telescopic rod 61.

The tip of activity fan 3 outwards extend and be formed with apron 31, when activity fan 3 closed, apron 31 lid in first drainage chamber 21 top.

The first sealing member 51 is fixed to the cover plate 31, and the first sealing member 51 extends outward to form a water guide portion 51 a.

When the movable fan 3 is closed, the cover plate 31 can prevent water from entering the first drainage chamber 21, and the water guide part 51a of the first sealing member 51 can discharge the water outward as much as possible.

The bottom surface of the third drain chamber 23 is lower than the bottom surface of the second drain chamber 22, and the fourth sealing member 54 is installed higher than the second drain hole 22 a.

The second seal 52, the third seal 53, and the fourth seal 54 are mounted in different directions. The design that adopts the installation orientation diverse makes the atress of each sealing member different, can reduce the probability that the sealing member became invalid simultaneously like this to improve skylight system's waterproof performance.

The fixed fan 2 and the movable fan 3 are made of multi-cavity aluminum alloy heat insulation profiles.

The fixed fan 2 is provided with a baffle 25 at the inner side of the evaporation cavity 24, and the upper end of the baffle 25 is bent inwards to form an inward bending part 25 a.

A sealing strip 7 is arranged between the adjacent fixed fans 2 and is sealed by a sealing glue 7 a. The sealant 7a herein is a weather-resistant sealant.

A falling-preventing grid 8 is fixed on the base frame 1 below the movable fan 3.

The multi-cavity aluminum alloy heat insulation profile is formed by processing and synthesizing two independent aluminum profiles through PA66GF25 (polyamide 66+25 glass fiber) heat insulation strips, and the heat insulation performance of the skylight can be improved by adopting the multi-cavity aluminum alloy profile provided with the heat insulation strips. The first sealing element 51 is made of a composite material of ethylene propylene diene monomer and foamed sponge, and the second sealing element 52, the third sealing element 53 and the fourth sealing element 54 are made of ethylene propylene diene monomer. The fixed fan 2 and the movable fan 3 are respectively provided with a stainless steel inserting sheet to increase the strength, and the stainless steel inserting sheet is made of 304 stainless steel materials.

As shown in fig. 6, the working principle of the drainage structure of the present invention is as follows:

electric headstock gear passes through electric control electric telescopic handle 61's flexible to realize opening and close of activity fan 3, when activity fan 3 closed, apron 31 was located first drainage chamber 21 top, and first sealing member 51 contacts with second sealing member 52 and forms sealedly, prevents that water from getting into first drainage chamber 21.

A drainage line (i): that is, when the first sealing (the first sealing 51 and the second sealing 52) is effective, water cannot enter the skylight cavity, and the water flows down along the cover plate 31 and the water guide part 51a of the first sealing 51 and flows out from the outer side of the fixed fan 2, so as to achieve the waterproof effect.

Drainage circuit 2: when the first sealing fails, a part of water still flows out along the cover plate 31 and along the water guide part 51a of the first sealing element 51, namely, the water is discharged according to the drainage line (I), the other part of water enters the first drainage cavity 21, the second sealing element (the third sealing element 53) is effective, the water cannot enter the second drainage cavity 22, and the water in the first drainage cavity 21 is discharged from the first drainage hole 21a at the bottom, so that the waterproof effect is achieved.

Drainage line (c): when the first seal and the second seal fail simultaneously, most of water is discharged according to a drainage line I, and a small part of water enters the first drainage cavity 21 and is discharged according to a drainage line II, because the second seal (a third seal 53) fails, the rest water enters the second drainage cavity 22, and the third seal (a fourth seal 54) is effective, the water cannot enter the evaporation cavity 24; the water in the second drainage cavity 22 can be drained into the third drainage cavity 23 from the second drainage cavity 22 at the bottom, and then drained from the third drainage hole 23a at the bottom of the third drainage cavity 23, so that the waterproof effect is achieved.

A drainage line (iv): when the third seal is also failed, most of water is discharged according to the drainage line I, a small amount of water enters the first drainage cavity 21 and is discharged according to the drainage line II, a small amount of water enters the second drainage cavity 22 and is discharged according to the drainage line III, and a small amount of residual water enters the evaporation cavity 24 and is evaporated; because preceding multichannel is blocked, and second drainage chamber 22, third drainage chamber 23 and evaporation chamber 24 are the distribution of delta font, and the water that gets into evaporation chamber 24 is few, is the follow-up use in-process in skylight, and the water in the evaporation chamber 24 can evaporate naturally, can effectively avoid water to drip into indoor.

The waterproof structure of the skylight system adopts a mode of combining dredging and blocking, is provided with a plurality of seals and a plurality of drainage cavities, and the drainage cavities are provided with height drops, so that smooth drainage of water is facilitated, and the evaporating cavity 24 is arranged, so that under the condition that all sealing elements are invalid, a small part of water enters the evaporating cavity 24 to be evaporated and drained, the waterproof performance of the skylight system is greatly improved, and water can be effectively prevented from dripping into a room.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the present invention.