High-efficiency silicon heterojunction photovoltaic sheet

Abstract

The utility model relates to the technical field of photovoltaic power generation, in particular to a high-efficiency silicon heterojunction photovoltaic sheet, which comprises a stabilizing seat, a supporting plate, a mounting plate and a silicon heterojunction photovoltaic sheet, a damping shock absorber is mounted at the corner of the top of the stabilizing seat through a screw, and the supporting plate is mounted at the movable end of the damping shock absorber through a screw; a mounting plate is mounted at the top of the supporting plate through bolts, a mounting groove is formed in the top of the mounting plate, and a silicon heterojunction photovoltaic sheet is arranged in the mounting groove in a sleeving manner; a large-opening light gathering cover is installed on the outer edge of the top of the installation plate through bolts, and connecting pieces are installed at the corners of the two sides of the stabilizing base through bolts. The silicon heterojunction photovoltaic piece gathers light rays irradiated on the inner side of the large-opening light gathering cover to the surface of the silicon heterojunction photovoltaic piece, the photoelectric conversion efficiency is further improved, when the whole installation support shakes, a certain anti-vibration effect is achieved, and damage to the silicon heterojunction photovoltaic piece is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power generation, in particular to a high-efficiency silicon heterojunction photovoltaic sheet. Background Art

[0002] Heterojunction photovoltaic cells operate based on the photovoltaic effect, which converts light energy into electrical energy using the photoelectric effect of semiconductor materials. In a heterojunction structure, the heterojunction interface formed between the amorphous silicon thin film layer and the crystalline silicon substrate effectively promotes the separation and transmission of photogenerated carriers, thereby improving photoelectric conversion efficiency.

[0003] Existing silicon heterojunction photovoltaic panels do not have the function of concentrating light to further improve the photoelectric conversion efficiency. When the overall mounting bracket shakes, it does not have a certain anti-vibration effect, causing the silicon heterojunction photovoltaic panel to be damaged to a certain extent. Utility Model Content

[0004] In response to the problems in the existing technology, the utility model provides a high-efficiency silicon heterojunction photovoltaic panel. The silicon heterojunction photovoltaic panel has the function of focusing the light irradiated on the inside of the large-opening focusing cover to the surface of the silicon heterojunction photovoltaic panel, further improving the photoelectric conversion efficiency. When the overall mounting bracket shakes, it has a certain anti-vibration effect, reducing damage to the silicon heterojunction photovoltaic panel.

[0005] The technical solution adopted by the utility model to solve the technical problem is a high-efficiency silicon heterojunction photovoltaic panel, which includes a stabilizing seat, a support plate, a mounting plate and a silicon heterojunction photovoltaic panel. A damping shock absorber is mounted on the top corner of the stabilizing seat by screws, and the movable end of the damping shock absorber is mounted on the support plate by screws. The top of the support plate is mounted on the mounting plate by bolts. The top of the mounting plate is provided with a mounting groove, and the silicon heterojunction photovoltaic panel is sleeved in the mounting groove.

[0006] A large-opening condenser is installed on the top outer edge of the mounting plate by bolts, and connecting pieces are installed at the corners on both sides of the stabilizing seat by bolts. A sliding hole is opened at the upper end of the connecting piece, and a sliding rod slides in the sliding hole.

[0007] By adopting the above technical solution, the silicon heterojunction photovoltaic panel has the ability to focus the light irradiated on the inside of the large-opening concentrator onto the surface of the silicon heterojunction photovoltaic panel, further improving the photoelectric conversion efficiency. When the overall mounting bracket shakes, it has a certain anti-seismic effect, reducing damage to the silicon heterojunction photovoltaic panel.

[0008] Specifically, a circular fixing plate is welded to the bottom of the stabilizing seat, and a fixing screw hole is opened at the bottom of the circular fixing plate.

[0009] By adopting the above technical solution, the fixing screw holes and the matching bolts on the circular fixing plate are used to facilitate the installation of the entire device on the mounting bracket at a certain angle.

[0010] Specifically, one end of the sliding rod is connected to the support plate through a mounting hole and the other end of the sliding rod is sleeved with a limiting sleeve.

[0011] Specifically, an elastic rubber ring is provided between the outer side wall of the silicon heterojunction photovoltaic sheet and the inner side wall of the installation groove, and the elastic rubber ring is specifically made of PP material.

[0012] Specifically, positioning screws are provided at the outer corners of the mounting plate, and one end of the positioning screw passes through the elastic rubber ring and is screwed into the corresponding screw hole on the silicon heterojunction photovoltaic panel.

[0013] By adopting the above technical solution, the silicon heterojunction photovoltaic panel is directly sleeved in the mounting groove of the mounting plate and fixed by positioning screws, which is convenient for installation and disassembly, maintenance and replacement.

[0014] Beneficial effects of the utility model:

[0015] (1) The utility model discloses a high-efficiency silicon heterojunction photovoltaic cell, which is directly mounted in the mounting groove of the mounting plate and fixed by positioning screws, so as to facilitate installation and disassembly, maintenance and replacement. The elastic rubber ring is made of PP material, which has high elasticity, good adhesion effect, anti-aging, improved connection precision, and significant dustproof and waterproof effects. The silicon heterojunction photovoltaic cell is used to enhance the absorption capacity of each band of the solar spectrum by optimizing the material structure and process flow, spanning a wider absorption range and improving the photoelectric conversion efficiency.

[0016] (2) The utility model discloses a high-efficiency silicon heterojunction photovoltaic cell, and utilizes a large-opening focusing shield on the top periphery of the silicon heterojunction photovoltaic cell to focus the light irradiated on the inner side of the large-opening focusing shield onto the surface of the silicon heterojunction photovoltaic cell, thereby further improving the photoelectric conversion efficiency. When the overall mounting bracket shakes, the damping shock absorber is utilized to achieve an anti-seismic effect, which has a certain buffering effect and reduces damage to the silicon heterojunction photovoltaic cell. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

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

[0019] Figure 2 This is a schematic diagram of the structure of a silicon heterojunction photovoltaic cell of the present invention;

[0020] Figure 3 This is an exploded view of the utility model;

[0021] Figure 4 For this utility model Figure 1 Schematic diagram of the structure at point A.

[0022] In the figure: 1. Large opening concentrator; 2. Positioning screw; 3. Support plate; 4. Mounting plate; 5. Connecting plate; 6. Stabilizing seat; 7. Fixing screw hole; 8. Circular fixing plate; 9. Damping shock absorber; 10. Silicon heterojunction photovoltaic cell; 11. Elastic rubber ring; 12. Limiting sleeve; 13. Sliding rod; 14. Sliding hole; 15. Mounting slot. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] In order to make the silicon heterojunction photovoltaic panel have the function of focusing the light irradiated on the inside of the large opening concentrator 1 to the surface of the silicon heterojunction photovoltaic panel 10, further improving the photoelectric conversion efficiency, when the overall mounting bracket shakes, it has a certain anti-vibration effect, reducing the damage to the silicon heterojunction photovoltaic panel 10, such as Figure 1-4 As shown, the high-efficiency silicon heterojunction photovoltaic cell described in the present invention includes a stabilizing base 6, a support plate 3, a mounting plate 4, and a silicon heterojunction photovoltaic cell 10. A damping shock absorber 9 is mounted on the top corner of the stabilizing base 6 by screws, and the movable end of the damping shock absorber 9 is mounted on the support plate 3 by screws. The top of the support plate 3 is mounted on the mounting plate 4 by bolts. The top of the mounting plate 4 is provided with a mounting groove 15, and the silicon heterojunction photovoltaic cell 10 is sleeved in the mounting groove 15.

[0025] A large-opening condenser 1 is mounted on the top outer edge of the mounting plate 4 by bolts, and connecting pieces 5 are mounted on the two side corners of the stabilizing seat 6 by bolts. A sliding hole 14 is opened on the upper end of the connecting piece 5, and a sliding rod 13 slides in the sliding hole 14.

[0026] When in use, the silicon heterojunction photovoltaic cell has the function of focusing the light irradiated on the inside of the large-opening focusing cover 1 onto the surface of the silicon heterojunction photovoltaic cell 10, further improving the photoelectric conversion efficiency. When the overall mounting bracket shakes, it has a certain anti-vibration effect, reducing damage to the silicon heterojunction photovoltaic cell 10.

[0027] For example, Figure 1 As shown, the present invention further includes that a circular fixing plate 8 is welded to the bottom of the stabilizing seat 6 , and a fixing screw hole 7 is opened at the bottom of the circular fixing plate 8 .

[0028] When in use, the fixing screw holes 7 on the circular fixing plate 8 and the matching bolts are used to facilitate the installation of the entire device on the mounting bracket at a certain angle.

[0029] For example, Figure 4 As shown, the present invention further includes that one end of the slide rod 13 is connected to the support plate 3 through a mounting hole and the other end of the slide rod 13 is sleeved with a limiting sleeve 12 .

[0030] When in use, the limiting sleeve 12 limits the horizontal position of the sliding rod 13 so that the sliding rod 13 can slide stably in the sliding hole 14 .

[0031] For example, Figure 1 、 3 As shown, the present invention further includes an elastic rubber ring 11 provided between the outer wall of the silicon heterojunction photovoltaic panel 10 and the inner wall of the mounting groove 15 , and the elastic rubber ring 11 is specifically made of PP material.

[0032] When in use, it has high elasticity, good adhesion effect, anti-aging, improves the precision of connection, and has significant dust and waterproof effects.

[0033] For example, Figure 1 、 3 As shown, the present invention also includes that positioning screws 2 are provided at the outer corners of the mounting plate 4 and one end of the positioning screw 2 passes through the elastic rubber ring 11 and is screwed into the corresponding screw hole on the silicon heterojunction photovoltaic panel 10.

[0034] When in use, the silicon heterojunction photovoltaic panel 10 is directly sleeved into the mounting groove 15 of the mounting plate 4 and fixed by the positioning screws 2, which is convenient for installation and disassembly, maintenance and replacement.

[0035] When the utility model is in use, the fixing screw holes 7 on the circular fixing plate 8 and the matching bolts are used to facilitate the installation of the entire device on the mounting bracket at a certain angle. The silicon heterojunction photovoltaic panel 10 is directly placed in the mounting groove 15 of the mounting plate 4 and fixed by the positioning screws 2, which is convenient for installation and disassembly, and is convenient for maintenance and replacement.

[0036] The elastic rubber ring 11 is made of PP material, which has high elasticity, good adhesion, anti-aging, improved connection precision, and significant dust and water resistance. The silicon heterojunction photovoltaic cell 10 is optimized in material structure and process flow to achieve enhanced absorption capacity in various bands of the solar spectrum, spanning a wider absorption range and improving photoelectric conversion efficiency.

[0037] In addition, the large-opening concentrator 1 on the outer periphery of the top of the silicon heterojunction photovoltaic panel 10 can concentrate the light irradiated on the inner side of the large-opening concentrator 1 onto the surface of the silicon heterojunction photovoltaic panel 10, further improving the photoelectric conversion efficiency. When the overall mounting bracket shakes, the damping shock absorber 9 is used to achieve an anti-seismic effect, which has a certain buffering effect and reduces damage to the silicon heterojunction photovoltaic panel 10.

[0038] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency silicon heterojunction photovoltaic cell, characterized in that: The invention comprises a stabilizing seat (6), a supporting plate (3), a mounting plate (4) and a silicon heterojunction photovoltaic sheet (10); a damping shock absorber (9) is mounted on a top corner of the stabilizing seat (6) by screws, and a supporting plate (3) is mounted on a movable end of the damping shock absorber (9) by screws; a mounting plate (4) is mounted on the top of the supporting plate (3) by bolts; a mounting groove (15) is formed on the top of the mounting plate (4), and a silicon heterojunction photovoltaic sheet (10) is sleeved in the mounting groove (15); A large-opening condenser (1) is mounted on the top outer edge of the mounting plate (4) by means of bolts, and connecting pieces (5) are mounted on the two side corners of the stabilizing seat (6) by means of bolts, wherein a sliding hole (14) is provided at the upper end of the connecting piece (5), and a sliding rod (13) slides in the sliding hole (14).

2. The high-efficiency silicon heterojunction photovoltaic wafer according to claim 1, characterized in that: A circular fixing plate (8) is welded to the bottom of the stabilizing seat (6), and a fixing screw hole (7) is provided at the bottom of the circular fixing plate (8).

3. The high-efficiency silicon heterojunction photovoltaic cell according to claim 1, characterized in that: One end of the slide rod (13) is connected to the support plate (3) through a mounting hole, and the other end of the slide rod (13) is sleeved with a limiting sleeve (12).

4. The high-efficiency silicon heterojunction photovoltaic wafer according to claim 1, characterized in that: An elastic rubber ring (11) is provided between the outer side wall of the silicon heterojunction photovoltaic sheet (10) and the inner side wall of the mounting groove (15), and the elastic rubber ring (11) is specifically made of PP material.

5. The high-efficiency silicon heterojunction photovoltaic wafer according to claim 1, characterized in that: Positioning screws (2) are provided at the outer corners of the mounting plate (4), and one end of the positioning screw (2) passes through the elastic rubber ring (11) and is screwed into a corresponding screw hole on the silicon heterojunction photovoltaic panel (10).

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