CN210837783U

CN210837783U - Explosion-proof photovoltaic module of flame-proof type

Info

Publication number: CN210837783U
Application number: CN201921889333.9U
Authority: CN
Inventors: 范喜燕; 林俊良; 李晓丰; 林金锡; 林金汉
Original assignee: Changzhou Almaden Co Ltd
Current assignee: Changzhou Almaden Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-23
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to an explosion-proof photovoltaic module of flame-proof type, which comprises a body, the body includes upper glass and lower floor's glass to and the middle level glass between upper glass and the lower floor's glass, upper glass, middle level glass and lower floor's glass fixed connection, middle level glass with be equipped with solar cell panel between the upper glass, the last cable that is equipped with of solar cell panel, the cable passes middle level glass and lower floor's glass are connected with the power storage system, the corner of body is equipped with the fixing device who is used for fixed upper glass and lower floor's glass. The utility model has the characteristics of good explosion-proof performance, mechanical strength is high, and insulating properties is good, and factor of safety is high, can accomplish not pass to explode, do not detonate.

Description

Explosion-proof photovoltaic module of flame-proof type

Technical Field

The utility model relates to a solar energy power generation field especially relates to an explosion-proof solar cell panel.

Background

Photovoltaic power generation is used as a clean energy source, and the application scenes of the photovoltaic power generation are from the initial desert, the mountain land to the current fishing light complementation, the photovoltaic agriculture, the photovoltaic livestock industry and even the photovoltaic power generation are already carried to households.

The existing explosion-proof solar cell panel consists of 3.2mm embossed glass, a back plate, EVA and a solar cell. After the 4 materials are laminated, packaged and molded, the materials are fixed by an aluminum alloy frame and assembled with an explosion-proof junction box. The front side load of the assembly is high, but the back plate of the back plate is weak in strength and poor in weather resistance, has risks of cracking and scratching in the using process, and is inferior to glass in flame retardance.

The other explosion-proof product is formed by packaging a solar cell in a glass laminating mode. The explosion-proof types of the two assemblies are generally fireless flower type and pouring type, and the maximum impact resistance of the assemblies is 4J. The impact resistance is weak. The safety factor is low, and the solar cell panel can only be applied to areas 2 (explosion-proof areas) and other places.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an improve shock resistance and explosion-proof strength, the utility model provides an explosion-proof photovoltaic module of flame-proof type, which comprises a body, the body includes upper glass and lower floor's glass to and the middle level glass between upper glass and the lower floor's glass, upper glass, middle level glass and lower floor's glass fixed connection, middle level glass with be equipped with solar cell panel between the upper glass, the last cable that is equipped with of solar cell panel, the cable passes middle level glass and lower floor's glass are connected with the storage electric system, the corner of body is equipped with the fixing device who is used for fixed upper glass and lower floor's glass.

Preferably, the solar cell panel comprises a plurality of strings of cells, and the strings of cells are connected in series.

Furthermore, a diode is connected in parallel between every two strings of the batteries, the diode is arranged in a wiring board, the wiring board is fixed on one surface, close to the solar panel, of the middle layer glass, and the wiring board is connected with an electricity storage system through a cable.

Preferably, the upper layer glass and the lower layer glass are toughened glass with the thickness of 4mm, the light transmittance is larger than 85%, the thickness of the middle layer glass is 1mm, the size of the middle layer glass is smaller than that of the upper layer glass and that of the lower layer glass, and the upper layer glass, the middle layer glass and the lower layer glass are fixedly sealed through glue. The size of the middle layer glass is smaller than that of the upper layer glass and that of the lower layer glass, and the middle layer glass is used for vacating a space for placing the sealing ring.

Furthermore, the edge parts of the upper layer glass and the lower layer glass are provided with sealing rings. The contact surface of the sealing ring and the glass is filled and sealed by silica gel and plays a role in bonding.

Preferably, the fixing device comprises a bolt and a nut, fixing holes are formed in corners of the upper layer of glass, the middle layer of glass and the lower layer of glass, and the bolt penetrates through the fixing holes to be matched and fixed with the nut. In order to improve the strength, the connecting piece matched with the nut and the bolt is adopted for fixing.

Has the advantages that: the utility model discloses do not use the terminal box, but necessary accessory integration has been at middle level glass, ensures the impact resistance of this part structure, and heat dispersion, the leakproofness prevents the condition of electric leakage burning, the utility model discloses the subassembly shell is toughened glass, has guaranteed the impact resistance of subassembly, seals with sealing washer and sealed glue between upper glass and the lower floor's glass, and two glass are fixed with 4 nut locking, has guaranteed its explosion-proof performance, and this explosion-proof subassembly has mechanical strength height, and insulating properties is good, characteristics such as factor of safety height can accomplish not pass to explode, do not explode.

Drawings

Fig. 1 is a sectional view of the present invention;

FIG. 2 is a block diagram of the wiring board of the present invention;

FIG. 3 is a schematic diagram of a solar panel according to the present invention;

1. an upper layer of glass; 2. middle layer glass; 3. a lower layer of glass; 4. a seal ring; 5. a fixing hole; 6. A bolt; 7. a nut; 8. a wiring board; 9. a cable; 10. a diode; 11. a battery string; 12. A cable channel; 13. a solar cell panel.

Detailed Description

As shown in the figure, the explosion-proof photovoltaic module comprises a body, the body comprises upper glass 1 and lower glass 3 and middle glass 2 between the upper glass 1 and the lower glass 3, the upper glass 1, the middle glass 2 and the lower glass 3 are fixedly connected, the middle glass 2 and a solar cell panel 13 are arranged between the upper glass 1, a cable 9 is arranged on the solar cell panel 13, the cable 9 penetrates through the middle glass 2 and the lower glass 3 and is connected with an electricity storage system, and fixing devices used for fixing the upper glass 1 and the lower glass 3 are arranged at corners of the body. The solar panel 13 comprises a plurality of battery strings 11, and the battery strings 11 are connected in series. Diodes 10 are connected in parallel between every two strings of battery strings 11, the diodes 10 are arranged in a wiring board 8, the wiring board 8 is fixed on one surface, close to the solar cell panel 13, of the middle layer glass 2, cable channels 12 used for placing cables 9 are formed in the middle layer glass 2 and the lower layer glass 3, and the wiring board 8 is connected with an electricity storage system through the cables 9.

The upper glass 1 and the lower glass 3 are toughened glass with the thickness of 4mm, the light transmittance is larger than 85%, the thickness of the middle glass 2 is 1mm, the size of the middle glass 2 is smaller than that of the upper glass 1 and that of the lower glass 3, and the upper glass 1, the middle glass 2 and the lower glass 3 are fixedly sealed through glue. And sealing rings 4 are arranged at the edge parts of the upper layer glass 1 and the lower layer glass 3. The fixing device comprises a bolt, 6 and a nut 7, fixing holes 5 are formed in corners of the upper layer glass 1, the middle layer glass 2 and the lower layer glass 3, and the bolt 6 penetrates through the fixing holes 5 to be matched and fixed with the nut 7.

Claims

1. The utility model provides an explosion-proof photovoltaic module of flame-proof type which characterized in that: the solar cell panel comprises a body, the body includes upper glass (1) and lower floor's glass (3) to and middle level glass (2) between upper glass (1) and lower floor's glass (3), upper glass (1), middle level glass (2) and lower floor's glass (3) fixed connection, middle level glass (2) with be equipped with solar cell panel (13) between upper glass (1), be equipped with cable (9) on solar cell panel (13), cable (9) pass middle level glass (2) and lower floor's glass (3) are connected with the power storage system, the corner of body is equipped with the fixing device who is used for fixed upper glass (1) and lower floor's glass (3).

2. The explosion-proof photovoltaic module of claim 1, characterized in that: the solar cell panel (13) comprises a plurality of cell strings (11), and the cell strings (11) are connected in series.

3. The explosion-proof photovoltaic module of claim 2, characterized in that: every two be in cluster between battery cluster (11) parallel connection have diode (10), diode (10) set up in wiring board (8), wiring board (8) are fixed middle level glass (2) are close to the one side of solar cell panel (13), offer on middle level glass (2) and lower floor glass (3) and be used for placing cable passageway (12) of cable (9), wiring board (8) are connected with the electricity storage system through cable (9).

4. The explosion-proof photovoltaic module of claim 1, characterized in that: the glass is characterized in that the upper layer glass (1) and the lower layer glass (3) are toughened glass with the thickness of 4mm, the light transmittance of the toughened glass is larger than 85%, the thickness of the middle layer glass (2) is 1mm, the size of the middle layer glass (2) is smaller than that of the upper layer glass (1) and that of the lower layer glass (3), and the upper layer glass (1), the middle layer glass (2) and the lower layer glass (3) are fixedly sealed through glue.

5. The explosion-proof photovoltaic module of claim 4, characterized in that: and sealing rings (4) are arranged at the edge parts of the upper layer glass (1) and the lower layer glass (3).

6. The explosion-proof photovoltaic module of claim 1, characterized in that: the fixing device comprises a bolt (6) and a nut (7), fixing holes (5) are formed in corners of the upper layer glass (1), the middle layer glass (2) and the lower layer glass (3), and the bolt (6) penetrates through the fixing holes (5) to be matched and fixed with the nut (7).