Solar photovoltaic backboard waterproof structure

By using a combined structure of the first sealing strip, the second sealing strip, the connecting bump, the connecting hole, the connecting bolt and the sealing sleeve at the connection of the solar photovoltaic backplane, the problem of gaps in the seal after a period of use is solved, which significantly improves the The waterproof effect of the back plate avoids water residue and penetration.

CN222515488UActive Publication Date: 2025-02-21HAOCHUAN PHOTOVOLTAIC TECH (JIANGYIN) CO LTD
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Patent Information

Application Number
CN202421276623.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-02-21
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The seals at the connection of the existing solar photovoltaic back panels have gaps after being used for a period of time, resulting in water residue and penetration, reducing the waterproofing effect and affecting the use of the battery panel.

Method used

The combined structure of the first sealing strip, the second sealing strip, the connecting bump, the connecting hole, the connecting bolt and the sealing sleeve is adopted to ensure flush connection between the glass plate, the back plate and the end plate, enhance the sealing, and improve the sealing through the sealing sleeve. Sealability of connecting bumps and end plates.

Benefits of technology

Effectively prevent water from entering the interior of the backplane from the connecting structure, improve the overall waterproof effect of the backplane, avoid water residue and penetration, and extend service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222515488U_ABST
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Abstract

The utility model discloses a solar photovoltaic backboard waterproof structure, which comprises an end plate arranged on one side of the backboard, connecting holes are arranged in the two ends of the end plate, a connecting bump is arranged at one end of the backboard, and a connecting bolt is arranged on one side of the end plate; the mounting cavity is formed in the back plate, a battery plate is arranged in the mounting cavity, a first connecting groove is formed in the inner wall of the mounting cavity, an inserting groove is formed in the side wall of the end plate, a glass plate is arranged above the battery plate, and a first sealing strip is arranged between the glass plate and the back plate; according to the solar photovoltaic backboard, the connection sealing performance is guaranteed through the first sealing strip and the second sealing strip, the glass plate is flush with the upper end of the backboard and the upper end of the end plate, water flowing is facilitated, water residues are avoided, the water permeation effect is reduced, and the waterproof effect of the solar photovoltaic backboard is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of solar photovoltaic back panels, in particular to a solar photovoltaic back panel waterproof structure. Background Art

[0002] At present, with the development of the times, solar energy has become an important development goal of mankind, and solar photovoltaic modules have gradually become popular in people's lives. Solar photovoltaic modules are usually placed in an open environment, often exposed to wind, sun and rain. Seasons with more rain can easily cause damage to solar photovoltaic modules. Solar photovoltaic modules generally include glass panels, solar panels and back panels. The solar panels are wrapped by bonding the glass panels and back panels to provide waterproof protection for the solar panels.

[0003] The Chinese patent publication number is CN216958056U, and the authorization announcement date is July 12, 2022. A solar photovoltaic backplane waterproof structure is characterized in that: it includes a plate body, and a placement cavity for placing a solar panel is recessed on its upper surface, and the side walls of the placement cavity are located at the same level and are recessed with a cavity for placing a glass plate, so that the glass plate covers the solar panel, and a drainage groove is recessed on the bottom surface of the cavity along the contour of the glass plate. An opening connected to the cavity and the drainage groove is opened on one side of the plate body, and a sealing groove is recessed on the top surface of the cavity along the edge contour of the glass plate, and a sealing member for sealing against the glass plate is arranged in the sealing groove.

[0004] The seals at the joints of existing photovoltaic back panels develop gaps after a period of use. The high and low settings of the back panel and the upper ends of the glass panel are not conducive to water flow and easily lead to water residue. Water on the back panel easily penetrates from the joints, reducing the waterproof effect of the solar photovoltaic back panel, affecting the use of the battery panel, and failing to meet usage requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a solar photovoltaic back panel waterproof structure to solve the problem proposed in the above background technology that gaps appear in the seals at the connection of the existing photovoltaic back panel after a period of use, the high and low settings of the back panel and the upper ends of the glass panel are not conducive to water flow and easily lead to water residue. The water on the back panel is easy to penetrate from the connection, reducing the waterproof effect of the solar photovoltaic back panel, affecting the use of the battery panel, and failing to meet the use requirements.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a solar photovoltaic backboard waterproof structure, including a backboard, and also including:

[0007] An end plate is arranged on one side of the back plate, and connecting holes are arranged inside both ends of the end plate, and two connecting holes are arranged. A connecting protrusion is arranged at one end of the back plate, and two connecting protrusions are arranged, and the connecting protrusion is fixedly connected to the back plate, and the connecting protrusion is arranged correspondingly to the connecting hole, and one end of the two connecting protrusions is arranged with a threaded hole, and a connecting bolt is arranged on one side of the end plate, and the connecting bolt is arranged through the connecting hole, and the connecting bolt is arranged correspondingly to the threaded hole, and the connecting bolt is threadedly connected to the connecting protrusion;

[0008] An installation cavity is arranged inside the back plate, a battery panel is arranged inside the installation cavity, a first connecting groove is arranged on the inner wall of the installation cavity, a slot is arranged on the side wall of the end plate, a glass plate is arranged above the battery panel, and the glass plate is arranged corresponding to the first connecting groove and the slot, the glass plate is plugged into the back plate and the end plate, a first sealing strip is arranged between the glass plate and the back plate, and a second sealing strip is arranged between the end plate, the back plate and the glass plate.

[0009] Preferably, the cross section of the glass plate is arranged in a boss shape, and the glass plate is arranged flush with the upper ends of the back plate and the end plates.

[0010] Preferably, sealing sleeves are provided on the outside of the two connecting protrusions, and the sealing sleeves are connected to the connecting protrusions as a whole, and the cross-sections of the connecting protrusions and the connecting holes are both arranged in isosceles trapezoidal shapes.

[0011] Preferably, the bottom of the installation cavity is arranged obliquely, a drying plate is arranged at the bottom of the installation cavity, and the drying plate is fixedly connected to the back plate.

[0012] Preferably, a mounting rail is provided inside the mounting cavity, two mounting rails are provided, and the mounting rails are fixedly connected to the back plate, the two mounting rails are provided on both sides of the solar panel, a second connecting groove is provided on the side wall of the solar panel, two second connecting grooves are provided, and two second connecting grooves are provided on both sides of the solar panel, and the mounting rails and the second connecting grooves are provided correspondingly.

[0013] Preferably, a pressure plate is provided on the inner side of the end plate, and a spring rod is provided between the pressure plate and the end plate. There are four spring rods, and the four spring rods are equidistantly arranged on one side of the pressure plate, and the two ends of the spring rod are fixedly connected to the end plate and the pressure plate respectively.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model device is provided with a first sealing strip, a second sealing strip, a connecting protrusion, a connecting hole, a connecting bolt and a sealing sleeve. The connecting protrusion is aligned with the connecting hole and inserted, and the connecting bolt fixes the inserted connecting protrusion. The first sealing strip fills the connecting gap between the glass plate and the back plate, and the second sealing strip fills the connecting gap between the end plate and the back plate and the glass plate. The sealing sleeve improves the sealing performance of the connection between the connecting protrusion and the end plate, which can prevent water from entering the interior of the back plate from the connecting structure, and improve the waterproof effect of the overall structure of the back plate. The glass plate is flush with the upper ends of the back plate and the end plate to facilitate the flow of water, avoid water residue, reduce the water penetration effect, and further improve the waterproof effect.

[0016] 2. The utility model device is provided with a second connection groove, a mounting rail, a pressing plate and a spring rod. The mounting rail is aligned with the second connection groove and slides. The solar panel is connected to the mounting rail. The solar panel is suspended in the mounting cavity. The spring rod applies a thrust to the pressing plate. Under the action of the thrust, the pressing plate is in close contact with one end of the solar panel, which can not only limit the solar panel, but also play a buffering and protective role for the installed solar panel.

[0017] 3. The utility model device is provided with a drying plate, which absorbs the moisture in the installation cavity and keeps the environment in the installation cavity dry. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a front view of the glass plate, the solar panel and the back plate of the utility model;

[0020] Figure 3 This is a rear view structural diagram of the end plate of the utility model;

[0021] Figure 4 This is a connection diagram of the back plate, end plate and battery panel of the utility model;

[0022] Figure 5 For the utility model Figure 4 A partial enlarged view of area A;

[0023] Figure 6 This is a structural diagram of a glass plate of the present utility model.

[0024] In the figure: 1. back plate; 2. glass plate; 3. end plate; 4. first sealing strip; 5. second sealing strip; 6. connecting bolt; 7. first connecting groove; 8. battery plate; 9. connecting protrusion; 10. threaded hole; 11. drying plate; 12. second connecting groove; 13. mounting cavity; 14. slot; 15. connecting hole; 16. pressure plate; 17. spring rod; 18. mounting rail; 19. sealing sleeve. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-6 The utility model provides an embodiment: a solar photovoltaic backboard waterproof structure, including a backboard 1, and also including:

[0027] An end plate 3 is arranged on one side of the back plate 1. Both ends of the end plate 3 are provided with connecting holes 15. There are two connecting holes 15. One end of the back plate 1 is provided with a connecting protrusion 9. There are two connecting protrusions 9. The connecting protrusion 9 is fixedly connected to the back plate 1. The connecting protrusion 9 is arranged correspondingly to the connecting hole 15. One end of the two connecting protrusions 9 is provided with a threaded hole 10. One side of the end plate 3 is provided with a connecting bolt 6. The connecting bolt 6 is arranged through the connecting hole 15. The connecting bolt 6 is arranged correspondingly to the threaded hole 10. The connecting bolt 6 is threadedly connected to the connecting protrusion 9.

[0028] An installation cavity 13 is arranged inside the back plate 1, and a battery panel 8 is arranged inside the installation cavity 13. A first connecting groove 7 is arranged on the inner wall of the installation cavity 13, and a slot 14 is arranged on the side wall of the end plate 3. A glass plate 2 is arranged above the battery panel 8, and the glass plate 2 is arranged corresponding to the first connecting groove 7 and the slot 14. The glass plate 2 is plugged into the back plate 1 and the end plate 3. A first sealing strip 4 is arranged between the glass plate 2 and the back plate 1, and a second sealing strip 5 is arranged between the end plate 3 and the back plate 1 and the glass plate 2.

[0029] When in use: align the side edge of the glass plate 2 with the first connecting groove 7 and insert it to connect the glass plate 2 to the back plate 1, align the end edge of the glass plate 2 with the slot 14 and insert it, align the connecting protrusion 9 with the connecting hole 15 and insert it, connect the end plate 3 with the back plate 1 and the glass plate 2, fill the gap between the glass plate 2 and the back plate 1 with the first sealing strip 4, and fill the gap between the end plate 3 and the back plate 1 and the glass plate 2 with the second sealing strip 5, so as to improve the waterproof effect of the overall structure of the back plate.

[0030] See also Figure 1 , Figure 2 and Figure 6 The cross-section of the glass plate 2 is arranged in a boss shape, and the glass plate 2 is arranged flush with the upper ends of the back plate 1 and the end plate 3. The glass plate 2 is arranged flush with the upper ends of the back plate 1 and the end plate 3 to facilitate the flow of water, avoid water residue, reduce water penetration, and improve the waterproof effect.

[0031] See also Figure 2 , Figure 3 , Figure 4 and Figure 5A sealing sleeve 19 is provided on the outside of the two connecting protrusions 9, and the sealing sleeve 19 is connected to the connecting protrusion 9 as a whole. The cross-sections of the connecting protrusion 9 and the connecting hole 15 are both isosceles trapezoidal. The sealing sleeve 19 improves the sealing performance of the connection between the connecting protrusion 9 and the end plate 3, which can prevent water from entering the interior of the back plate 1 from the connecting structure, further improving the waterproof effect.

[0032] See also Figure 2 The bottom of the installation cavity 13 is tilted, a drying plate 11 is provided at the bottom of the installation cavity 13, and the drying plate 11 is fixedly connected to the back plate 1, and the moisture in the installation cavity 13 is absorbed by the drying plate 11 to keep the environment in the installation cavity 13 dry.

[0033] See also Figure 2 and Figure 4 A mounting rail 18 is provided inside the mounting cavity 13, two mounting rails 18 are provided, and the mounting rails 18 are fixedly connected to the back plate 1, the two mounting rails 18 are provided on both sides of the solar panel 8, and a second connecting groove 12 is provided on the side wall of the solar panel 8, two second connecting grooves 12 are provided, and the two second connecting grooves 12 are provided on both sides of the solar panel 8, the mounting rails 18 are provided corresponding to the second connecting grooves 12, and the solar panel 8 is installed with the mounting rails 18 by aligning the mounting rails 18 with the second connecting grooves 12 and sliding.

[0034] See also Figure 3 and Figure 4 A pressing plate 16 is arranged on the inner side of the end plate 3, and a spring rod 17 is arranged between the pressing plate 16 and the end plate 3. Four spring rods 17 are arranged, and the four spring rods 17 are equidistantly arranged on one side of the pressing plate 16. The two ends of the spring rod 17 are respectively fixedly connected to the end plate 3 and the pressing plate 16. A thrust is applied to the pressing plate 16 by the spring rod 17. Under the action of the thrust, the pressing plate 16 is in close contact with one end of the solar panel 8, which can not only limit the solar panel 8, but also play a buffering and protective role for the installed solar panel 8.

[0035] Working principle: Align the side of the glass plate 2 with the first connection groove 7 and insert it, connect the glass plate 2 with the back plate 1, align the end of the glass plate 2 with the slot 14 and insert it, align the connection protrusion 9 with the connection hole 15 and insert it, connect the end plate 3 with the back plate 1 and the glass plate 2, fill the gap between the glass plate 2 and the back plate 1 with the first sealing strip 4, fill the gap between the end plate 3 and the back plate 1 and the glass plate 2 with the second sealing strip 5, and the sealing sleeve 19 improves the sealing performance of the connection between the connection protrusion 9 and the end plate 3, which can prevent water from entering the interior of the back plate 1 from the connection structure , improving the waterproof effect of the overall structure of the back plate; the glass plate 2 is flush with the upper ends of the back plate 1 and the end plate 3 to facilitate the flow of water, avoid water residue, reduce the water penetration effect, and further improve the waterproof effect; the mounting rail 18 is aligned with the second connecting groove 12 and slides, and the battery panel 8 is installed with the mounting rail 18, and the spring rod 17 applies a thrust to the pressure plate 16. Under the action of the thrust, the pressure plate 16 is in close contact with one end of the battery panel 8, which can not only limit the battery panel 8, but also play a buffering and protective role for the installed battery panel 8.

[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A solar photovoltaic back sheet waterproof structure, comprising a back sheet (1), characterized in that: Also includes: An end plate (3) is arranged on one side of the back plate (1), and connecting holes (15) are arranged inside both ends of the end plate (3), and there are two connecting holes (15). A connecting protrusion (9) is arranged at one end of the back plate (1), and there are two connecting protrusions (9), and the connecting protrusion (9) is fixedly connected to the back plate (1), and the connecting protrusion (9) and the connecting hole (15) are arranged correspondingly, and one end of the two connecting protrusions (9) is provided with a threaded hole (10); a connecting bolt (6) is arranged on one side of the end plate (3), and the connecting bolt (6) and the connecting hole (15) are arranged through, and the connecting bolt (6) and the threaded hole (10) are arranged correspondingly, and the connecting bolt (6) and the connecting protrusion (9) are threadedly connected; An installation cavity (13) is arranged inside the back plate (1), a battery panel (8) is arranged inside the installation cavity (13), a first connection groove (7) is arranged on the inner wall of the installation cavity (13), a slot (14) is arranged on the side wall of the end plate (3), a glass plate (2) is arranged above the battery panel (8), and the glass plate (2) is arranged corresponding to the first connection groove (7) and the slot (14), the glass plate (2) is plugged with the back plate (1) and the end plate (3), a first sealing strip (4) is arranged between the glass plate (2) and the back plate (1), and a second sealing strip (5) is arranged between the end plate (3) and the back plate (1) and the glass plate (2).

2. A solar photovoltaic back sheet waterproof structure according to claim 1, characterized in that: The cross section of the glass plate (2) is arranged in a boss shape, and the glass plate (2) is arranged flush with the upper ends of the back plate (1) and the end plate (3).

3. A solar photovoltaic back sheet waterproof structure according to claim 1, characterized in that: The outsides of the two connecting protrusions (9) are both provided with sealing sleeves (19), and the sealing sleeves (19) are connected to the connecting protrusions (9) as a whole. The cross-sections of the connecting protrusions (9) and the connecting holes (15) are both arranged in isosceles trapezoidal shapes.

4. A solar photovoltaic back sheet waterproof structure according to claim 1, characterized in that: The bottom of the installation cavity (13) is arranged at an angle, a drying plate (11) is arranged at the bottom of the installation cavity (13), and the drying plate (11) is fixedly connected to the back plate (1).

5. The solar photovoltaic back sheet waterproof structure according to claim 1, characterized in that: The interior of the mounting cavity (13) is provided with a mounting rail (18), two mounting rails (18) are provided, and the mounting rails (18) are fixedly connected to the back plate (1), the two mounting rails (18) are provided on both sides of the battery panel (8), a second connecting groove (12) is provided on the side wall of the battery panel (8), two second connecting grooves (12) are provided, and the two second connecting grooves (12) are provided on both sides of the battery panel (8), and the mounting rail (18) and the second connecting groove (12) are provided correspondingly.

6. A solar photovoltaic back sheet waterproof structure according to claim 1, characterized in that: A pressure plate (16) is arranged on the inner side of the end plate (3), and a spring rod (17) is arranged between the pressure plate (16) and the end plate (3). Four spring rods (17) are arranged, and the four spring rods (17) are equidistantly arranged on one side of the pressure plate (16), and the two ends of the spring rod (17) are respectively fixedly connected to the end plate (3) and the pressure plate (16).

Citation Information

Patent Citations

  • Solar photovoltaic backboard waterproof structure

    CN216958056U