Breathing type hollow BIPV photovoltaic module

By combining a photovoltaic frame with ultra-clear tempered glass, the problems of fixing and UV resistance of breathable hollow BIPV photovoltaic modules are solved, enabling convenient installation and efficient photoelectric conversion, and extending service life.

CN224138926UActive Publication Date: 2026-04-17启东市乃天光伏有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
启东市乃天光伏有限公司
Filing Date
2025-04-16
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing breathable hollow BIPV photovoltaic modules are not convenient for fixed installation, and traditional photovoltaic modules have poor UV resistance, resulting in reduced light transmittance and affecting photoelectric conversion efficiency.

Method used

The photovoltaic module adopts a combined structure of photovoltaic frame, fixing block, fixing rod, solar cell, encapsulant film and ultra-clear tempered glass. It achieves stable installation of photovoltaic module through threaded connection and uses ultra-clear tempered glass to enhance UV resistance.

Benefits of technology

It enables convenient installation of photovoltaic modules and efficient photoelectric conversion, improves photoelectric conversion efficiency, extends service life, and enhances alkali resistance, mildew resistance, and aging resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a breathing type hollow building integrated photovoltaics (BIPV) photovoltaic assembly, which comprises a building and photovoltaic assembly mechanisms, a roof is arranged at the top end of the building, and the photovoltaic assembly mechanisms are arranged on two sides of the top end of the roof. According to the breathing type hollow BIPV photovoltaic module, through the arrangement of the photovoltaic module mechanism, during installation, a photovoltaic frame in the photovoltaic module mechanism is conveniently spliced with an installation frame laid on a roof through a fixing block, then the photovoltaic frame and the installation frame are fixed through a fixing rod, fixing is convenient, and the installation efficiency is improved. In addition, radiation heat of solar energy can be absorbed to the maximum extent through the ultra-white tempered glass covering the surface of the cell panel, the photoelectric conversion efficiency of the solar cell is greatly improved, the glass can resist radiation of solar ultraviolet light, the light transmittance cannot be reduced, and therefore the service life can be effectively prolonged, and the service life of the solar cell panel is prolonged. Meanwhile, the alkali resistance, the mildew resistance and the aging resistance are higher than those of common flat ultra-white glass.
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Description

Technical Field

[0001] This utility model relates to the field of building-integrated photovoltaics (BIPV) technology, specifically to a breathable hollow BIPV photovoltaic module. Background Technology

[0002] Building-integrated photovoltaics (BIPV) is a technology that integrates solar power generation (photovoltaic) products into buildings. BIPV differs from the form of photovoltaic systems being attached to buildings. BIPV can be divided into two main categories: one is the combination of photovoltaic arrays with buildings, and the other is the integration of photovoltaic arrays with buildings, such as photovoltaic tile roofs, photovoltaic curtain walls, and photovoltaic skylights. Among these two methods, the combination of photovoltaic arrays with buildings is a common form, especially the combination with building roofs. Therefore, there is an urgent need for breathable hollow BIPV photovoltaic modules.

[0003] Currently used breathable hollow BIPV photovoltaic modules are not convenient for fixed installation, and traditional photovoltaic modules have poor resistance to ultraviolet rays in sunlight, which leads to a decrease in light transmittance and affects photoelectric conversion efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a breathable hollow BIPV photovoltaic module to solve the problems mentioned in the background art, such as the inconvenience of fixed installation of the currently used breathable hollow BIPV photovoltaic module, and the poor resistance of traditional photovoltaic modules to ultraviolet rays in sunlight, which leads to a decrease in light transmittance and affects the photoelectric conversion efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a breathable hollow BIPV photovoltaic module, comprising a building and a photovoltaic module structure. The building has a roof at its top, and the photovoltaic module structure is installed on both sides of the top of the roof. The photovoltaic module structure includes a photovoltaic frame, fixing blocks, fixing rods, solar cells, encapsulant film, and ultra-clear tempered glass. The photovoltaic frame is located at both ends of the inner wall of the roof. Fixing blocks are welded to both ends of the outer wall of the photovoltaic frame, and fixing rods are installed on the inner walls of the fixing blocks. Solar cells are installed on the inner wall of the photovoltaic frame, and encapsulant film is installed on the outer wall of the solar cells. Ultra-clear tempered glass is installed on the outer wall of the encapsulant film. A connecting wire is connected to the bottom of the outer wall of the photovoltaic frame, and a junction box is connected to the middle section of the connecting wire. An inverter is connected to the bottom of the connecting wire, and a limit rod is installed on the outer wall of the inverter.

[0006] Preferably, the photovoltaic frame is threadedly connected to the roof via a fixing rod, and both the outer wall of the fixing rod and the inner wall of the roof are threaded.

[0007] Preferably, the inner wall of the adhesive film is tightly bonded to the outer wall of the battery cell, and the size of the adhesive film is the same as the size of the battery cell.

[0008] Preferably, the inner wall of the ultra-clear tempered glass is tightly bonded to the outer wall of the adhesive film, and the ultra-clear tempered glass is solar ultra-clear rolled glass.

[0009] Preferably, the inverter is threadedly connected to the building via a limiting rod, and both the outer wall of the limiting rod and the inner wall of the building are threaded.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. This breathable hollow BIPV photovoltaic module, through its designed photovoltaic module mechanism, facilitates the splicing of the photovoltaic frame within the photovoltaic module mechanism with the installation frame laid on the roof via fixing blocks during installation. The photovoltaic frame is then fixed to the installation frame with fixing rods, making the fixing convenient. Furthermore, the ultra-clear tempered glass covering the surface of the solar panel can absorb solar radiation heat to the maximum extent, greatly improving the photoelectric conversion efficiency of the solar cells. This glass is also resistant to solar ultraviolet radiation without causing a decrease in light transmittance, thus effectively extending its service life. In addition, its alkali resistance, mildew resistance, and aging resistance are all stronger than ordinary flat ultra-clear glass.

[0012] 2. This breathing-type hollow BIPV photovoltaic module, with its junction box, inverter, and limit rod, facilitates the fixed installation of the junction box and inverter to the building wall via the limit rod. Furthermore, the low installation height of the junction box and inverter allows for convenient periodic maintenance and repair. Attached Figure Description

[0013] Figure 1 This is an installation effect diagram of the photovoltaic module of this utility model;

[0014] Figure 2 This is a top view of the roof and photovoltaic module mechanism of this utility model;

[0015] Figure 3 This is a cross-sectional view of the photovoltaic module of this utility model.

[0016] In the diagram: 1. Building; 2. Roof; 3. Photovoltaic module structure; 301. Photovoltaic frame; 302. Fixing block; 303. Fixing rod; 304. Solar cell; 305. Encapsulating film; 306. Ultra-clear tempered glass; 4. Connecting wire; 5. Junction box; 6. Inverter; 7. Limiting rod. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-3 This utility model provides a technical solution: a breathable hollow BIPV photovoltaic module, including a building 1 and a photovoltaic module structure 3. A roof 2 is provided at the top of the building 1. The photovoltaic module structure 3 is installed on both sides of the top of the roof 2. The photovoltaic module structure 3 includes a photovoltaic frame 301, fixing blocks 302, fixing rods 303, solar cells 304, encapsulant film 305, and ultra-clear tempered glass 306. The photovoltaic frame 301 is located at both ends of the inner wall of the roof 2. Fixing blocks 302 are welded to both ends of the outer wall of the photovoltaic frame 301, and fixing rods 303 are installed on the inner wall of the fixing blocks 302. Solar cells 304 are installed on the inner wall of the photovoltaic frame 301, and encapsulant film 305 is provided on the outer wall of the solar cells 304. Ultra-clear tempered glass 306 is provided on the outer wall of the encapsulant film 305. The photovoltaic frame 301 is threadedly connected to the roof 2 via the fixing rods 303, and both the outer wall of the fixing rods 303 and the inner wall of the roof 2 are threaded. The inner wall of the encapsulant film 305 is tightly fitted to the outer wall of the solar cells 304. Furthermore, the size of the film 305 is the same as that of the solar cell 304. The inner wall of the ultra-white tempered glass 306 is tightly fitted to the outer wall of the film 305. The ultra-white tempered glass 306 is a solar ultra-white rolled glass. The bottom of the outer wall of the photovoltaic frame 301 is connected to the connecting line 4. Through the photovoltaic module mechanism 3, it is convenient to splice the photovoltaic frame 301 in the photovoltaic module mechanism 3 with the installation frame laid on the roof 2 through the fixing block 302 during installation. Then, the photovoltaic frame 301 is fixed to the installation frame through the fixing rod 303. The fixing is convenient. Moreover, the ultra-white tempered glass 306 covering the surface of the solar panel can absorb the solar radiation heat to the maximum extent, which greatly improves the photoelectric conversion efficiency of the solar cell. In addition, this glass can also resist the radiation of solar ultraviolet rays without causing a decrease in light transmittance. This can more effectively extend the service life. At the same time, its alkali resistance, mildew resistance and aging resistance are stronger than ordinary flat ultra-white glass.

[0019] A junction box 5 is connected to the middle section of the connecting line 4, and an inverter 6 is connected to the bottom end of the connecting line 4. A limit rod 7 is installed on the outer wall of the inverter 6. The inverter 6 is threaded to the building 1 through the limit rod 7, and both the outer wall of the limit rod 7 and the inner wall of the building 1 are threaded. With the junction box 5, the inverter 6 and the limit rod 7, it is easy to fix the junction box 5 and the inverter 6 to the wall of the building 1 through the limit rod 7. In addition, the junction box 5 and the inverter 6 are installed at a low height, which makes it convenient to perform regular maintenance and repair on the junction box 5 and the inverter 6.

[0020] Working principle: When installing the photovoltaic module mechanism 3 to the roof 2, the photovoltaic frame 301 in the photovoltaic module mechanism 3 is first spliced ​​to the installation frame laid on the roof 2 through the fixing block 302. Then, the photovoltaic frame 301 is fixed to the installation frame through the fixing rod 303. The fixing is convenient. Furthermore, the ultra-clear tempered glass 306 covering the surface of the solar panel can absorb the solar radiation heat to the maximum extent, greatly improving the photoelectric conversion efficiency of the solar cell. In addition, this glass can also resist the radiation of ultraviolet rays from the sun without causing a decrease in light transmittance, which can more effectively extend the service life. At the same time, its alkali resistance, mildew resistance and aging resistance are stronger than ordinary flat ultra-clear glass. The connecting wire 4 on the photovoltaic module is connected to the junction box 5 installed on the wall. The function of the junction box 5 is to connect and protect the solar photovoltaic module, connect the power generated by the solar cell to the external line, conduct the current generated by the photovoltaic module, and transmit the power generated by the solar cell to the inverter 6 through the connecting wire 4 to convert the variable DC voltage generated by the photovoltaic panel into AC power at the mains frequency, which can be used as building power. In addition, the junction box 5, inverter 6 and limit rod 7 are set to facilitate the fixed installation of the junction box 5 and inverter 6 to the wall of the building 1 by the limit rod 7. The low installation height of the junction box 5 and inverter 6 makes it convenient to perform regular maintenance and repair on the junction box 5 and inverter 6.

[0021] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Breathable hollow BIPV photovoltaic module, characterized in that, The system includes a building (1) and a photovoltaic module assembly (3). The building (1) has a roof (2) at its top. The photovoltaic module assemblies (3) are installed on both sides of the top of the roof (2). The photovoltaic module assemblies (3) include a photovoltaic frame (301), fixing blocks (302), fixing rods (303), solar cells (304), encapsulant film (305), and ultra-clear tempered glass (306). The photovoltaic frame (301) is located at both ends of the inner wall of the roof (2), and fixing blocks (302) are welded to both ends of the outer wall of the photovoltaic frame (301). The inner wall of the fixing block (302) is equipped with a fixing rod (303), the inner wall of the photovoltaic frame (301) is equipped with a battery cell (304), the outer wall of the battery cell (304) is provided with an adhesive film (305), the outer wall of the adhesive film (305) is provided with ultra-white tempered glass (306), the bottom of the outer wall of the photovoltaic frame (301) is connected with a connecting line (4), the middle section of the connecting line (4) is connected with a junction box (5), the bottom of the connecting line (4) is connected with an inverter (6), and the outer wall of the inverter (6) is equipped with a limit rod (7).

2. The respiratory type hollow BIPV photovoltaic module according to claim 1, characterized by: The photovoltaic frame (301) is threadedly connected to the roof (2) via a fixing rod (303), and both the outer wall of the fixing rod (303) and the inner wall of the roof (2) are threaded.

3. The respiratory type hollow BIPV photovoltaic module according to claim 1, characterized by: The inner wall of the adhesive film (305) is tightly attached to the outer wall of the battery cell (304), and the size of the adhesive film (305) is the same as the size of the battery cell (304).

4. The respiratory type hollow BIPV photovoltaic module according to claim 1, characterized by: The inner wall of the ultra-white tempered glass (306) is tightly bonded to the outer wall of the adhesive film (305), and the ultra-white tempered glass (306) is solar ultra-white rolled glass.

5. The respiratory type hollow BIPV photovoltaic module according to claim 1, characterized by: The inverter (6) is threadedly connected to the building (1) via a limiting rod (7), and both the outer wall of the limiting rod (7) and the inner wall of the building (1) are threaded.