CN218299810U

CN218299810U - Solar photovoltaic cell module with low linear attenuation rate

Info

Publication number: CN218299810U
Application number: CN202221476758.9U
Authority: CN
Inventors: 景峻; 叶龙丹; 刘浩浩; 李国鹏
Original assignee: Huake Electrical Engineering Co ltd
Current assignee: Huake Electrical Engineering Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-01-13
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a solar photovoltaic cell module that linear decay rate is low, including solar photovoltaic cell module body, elevating system, panel main part and two-sided fluorine-containing backplate, elevating system's top is provided with the lifter plate, and the both sides of lifter plate all are provided with the solar photovoltaic cell module body, and the solar photovoltaic cell module body includes frame and panel main part, and the inside one side of panel main part is provided with two-sided fluorine-containing backplate, and one side of two-sided fluorine-containing backplate is provided with the crystal silicon battery piece, and the both sides of crystal silicon battery piece all glue glutinous EVA glued and have the glued membrane. The utility model discloses an install solar photovoltaic cell module body, solar photovoltaic cell module body includes that two-sided fluorine backplate, crystal silicon battery piece, EVA glued membrane and toughened glass contain, through using damp and hot ageing function stronger and resistant ultraviolet two-sided fluorine backplate and EVA glued membrane material, can reduce the linear decay rate of solar photovoltaic cell module body by a great degree.

Description

Solar photovoltaic cell module with low linear attenuation rate

Technical Field

The utility model relates to a solar photovoltaic cell technical field specifically is a solar photovoltaic cell module that linear decay rate is low.

Background

The solar photovoltaic module is also called as a solar cell module and a photovoltaic module and consists of a series of solar cells according to different arrays, wherein the solar photovoltaic cell module (also called as a solar cell panel) is a core part in a solar power generation system and also is the most important part in the solar power generation system, and the solar photovoltaic cell module has the function of converting solar energy into electric energy or transmitting the electric energy to a storage battery for storage or pushing a load to work.

The linear attenuation of the solar photovoltaic cell module is a phenomenon that the output power of the module continuously shows a descending trend along with the increase of illumination time, and the linear attenuation rate of the solar photovoltaic cell module is directly related to the power generation efficiency of the module, so that the solar photovoltaic cell module with a low linear attenuation rate is urgently needed to meet the requirements of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar photovoltaic cell module that linear decay rate is low to solve the higher problem of linear decay rate that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a solar photovoltaic cell module that linear decay rate is low, includes solar photovoltaic cell module body, elevating system, panel main part and two-sided fluorine backplate, elevating system's top is provided with the lifter plate, the both sides of lifter plate all are provided with the solar photovoltaic cell module body, just the solar photovoltaic cell module body includes frame and panel main part, the inside one side of panel main part is provided with two-sided fluorine backplate, just one side of two-sided fluorine backplate is provided with the crystal silicon battery piece, the both sides of crystal silicon battery piece all glue and have the EVA glued membrane, just one side that two-sided fluorine backplate was kept away from to the crystal silicon battery piece is provided with the euphotic layer, one side that the crystal silicon battery piece was kept away from to the euphotic layer is provided with toughened glass.

Preferably, the both ends of lifter plate both sides all welded connection have the mounting, and all through fixing bolt and solar photovoltaic cell module body fixed connection on the mounting, be convenient for fixed mounting and the dismantlement between solar photovoltaic cell module body and the lifter plate.

Preferably, the inside bottom of elevating system is provided with rotary driving mechanism, just rotary driving mechanism's output is provided with the lead screw, the cover is equipped with the drive block on the lead screw, just the top of drive block evenly is provided with the movable rod, the top of movable rod all extends to elevating system's outside, and the top of movable rod all with the bottom fixed connection of lifter plate, do benefit to and overhaul and maintain when breaking down.

Preferably, the guide grooves are formed in the two sides of the interior of the lifting mechanism, and the two sides of the driving block are connected with the guide grooves in a sliding mode through the guide blocks to guide and limit the driving block.

Preferably, the frame is made of aluminum alloy, the inner side of the frame is connected with the outer side of the cell panel main body through sealant, and the overall mechanical strength of the solar photovoltaic cell module body is improved.

Preferably, one side in the euphotic layer is provided with a first refraction surface, the other end in the euphotic layer is provided with a second refraction surface, and a reflecting layer is arranged between the first refraction surface and the second refraction surface, so that solar energy resources can be fully absorbed.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) This solar photovoltaic cell module that linear decay rate is low is through installing the solar photovoltaic cell module body, the solar photovoltaic cell module body includes two-sided fluorine backplate, the crystal silicon battery piece, EVA glued membrane and toughened glass, two-sided fluorine backplate has stronger resistant ultraviolet function, make the power decay less, the EVA glued membrane adopts the F806 type simultaneously, higher ageing-resistant performance has, through using the strong and resistant two-sided fluorine backplate and the EVA glued membrane material of ultraviolet of damp and hot ageing function, can reduce the linear decay rate of solar photovoltaic cell module body by a great extent.

(2) This solar photovoltaic cell module that linear decay rate is low is through installing elevating system, rotary driving mechanism, the lead screw, the driver block, the movable rod, lifter plate and mounting, through fixing bolt and solar photovoltaic cell module body fixed connection on the mounting, rotary driving mechanism drives the lead screw rotation, make the driver block reciprocate along the lead screw, and then drive the movable rod and promote the lifter plate and go up and down, and then carry out the adjustment of height to the solar photovoltaic cell module body, do benefit to and overhaul and maintain when breaking down.

(3) This solar photovoltaic cell module that linear decay rate is low is through being provided with the euphotic layer, the euphotic layer includes first refraction face, second refraction layer and reflection stratum, make the sunlight at first shine first refraction face, some refraction advances shines on the crystalline silicon battery piece in the euphotic layer, some light can continue the refraction in the triangle-shaped stripe on first refraction face in addition, make can be with more the crystalline silicon battery piece of penetrating into of light, in addition light gets into the back, penetrate the second refraction face again, reflection and refraction part have equally, wherein do not have the light of reflection, can hit on the reflection stratum, penetrate the crystalline silicon battery piece again after the reflection, do benefit to the abundant solar energy resource of absorbing.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the side wall of the main body of the battery panel of the present invention;

fig. 4 is a schematic view of the section structure of the light-transmitting layer of the present invention.

In the figure: 1. a rotation driving mechanism; 2. a drive block; 3. a guide groove; 4. a movable rod; 5. a solar photovoltaic cell module body; 6. a lifting plate; 7. a fixing member; 8. a lifting mechanism; 9. a screw rod; 10. a frame; 11. a cell panel main body; 12. sealing glue; 13. tempering the glass; 14. an EVA adhesive film; 15. a crystalline silicon cell; 16. a double-sided fluorine-containing backplane; 17. a light transmitting layer; 18. a first refractive surface; 19. a reflective layer; 20. and a second smooth folding surface.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a solar photovoltaic cell module with low linear attenuation rate comprises a solar photovoltaic cell module body 5, a lifting mechanism 8, a cell panel main body 11 and a double-sided fluorine-containing back plate 16, wherein a lifting plate 6 is arranged above the lifting mechanism 8, and the solar photovoltaic cell module body 5 is arranged on each of two sides of the lifting plate 6;

the bottom end inside the lifting mechanism 8 is provided with a rotary driving mechanism 1, the output end of the rotary driving mechanism 1 is provided with a screw rod 9, a driving block 2 is sleeved on the screw rod 9, movable rods 4 are uniformly arranged at the top end of the driving block 2, the top ends of the movable rods 4 extend to the outside of the lifting mechanism 8, and the top ends of the movable rods 4 are fixedly connected with the bottom of the lifting plate 6;

the lead screw 9 is driven to rotate by the rotary driving mechanism 1, so that the driving block 2 moves up and down along the lead screw 9, the movable rod 4 is driven to push the lifting plate 6 to lift, the height of the solar photovoltaic cell module body 5 is adjusted, and the maintenance and repair are facilitated when a fault occurs;

guide grooves 3 are formed in two sides of the interior of the lifting mechanism 8, and two sides of the driving block 2 are connected with the guide grooves 3 in a sliding mode through the guide blocks, so that the driving block 2 is guided and limited;

the two ends of the two sides of the lifting plate 6 are respectively connected with a fixing piece 7 in a welding mode, and the fixing pieces 7 are respectively fixedly connected with the solar photovoltaic cell module body 5 through fixing bolts, so that the solar photovoltaic cell module body 5 and the lifting plate 6 can be conveniently and fixedly mounted and dismounted;

the solar photovoltaic cell module body 5 comprises a frame 10 and a cell panel main body 11, wherein the frame 10 is made of aluminum alloy materials, so that the overall mechanical strength of the solar photovoltaic cell module body 5 is improved;

the inner sides of the frames 10 are connected with the outer side of the cell panel main body 11 through the sealant 12, so that the sealing performance of the solar photovoltaic cell module body 5 is improved;

a double-sided fluorine-containing back plate 16 is arranged on one side inside the cell panel main body 11, the double-sided fluorine-containing back plate 16 has a strong ultraviolet resistance function, so that power attenuation is small, a crystalline silicon cell piece 15 is arranged on one side of the double-sided fluorine-containing back plate 16, and EVA adhesive films 14 are adhered to two sides of the crystalline silicon cell piece 15;

the EVA adhesive film 14 is F806 type, has high aging resistance, and can reduce the linear attenuation rate of the solar photovoltaic cell module body 5 to a greater extent by using the double-sided fluorine-containing back plate 16 and the EVA adhesive film 14 material which have strong damp-heat aging function and are ultraviolet resistant;

a light-transmitting layer 17 is arranged on one side, away from the double-sided fluorine-containing back plate 16, of the crystalline silicon cell piece 15, and toughened glass 13 is arranged on one side, away from the crystalline silicon cell piece 15, of the light-transmitting layer 17;

a first refraction surface 18 is arranged on one side inside the light-transmitting layer 17, a second refraction surface 20 is arranged on the other end inside the light-transmitting layer 17, and a reflection layer 19 is arranged between the first refraction surface 18 and the second refraction surface 20;

when the sunlight irradiates on the cell panel main body 11, the sunlight firstly irradiates on the first refraction surface 18 in the euphotic layer 17, a part of the sunlight is refracted to enter and irradiate on the crystalline silicon cell 15, and the other part of the sunlight is refracted continuously in the triangular stripe of the first refraction surface 18, so that more sunlight can be incident on the crystalline silicon cell 15;

in addition, after entering, the light rays enter the second refraction surface 20 again and have reflection and refraction parts, wherein the light rays which are not reflected can hit the reflection layer 19 and enter the crystalline silicon cell 15 again after being reflected, so that the solar energy resources can be fully absorbed;

the specific model specification of the rotation driving mechanism 1 needs to be determined by model selection calculation according to specification parameters and the like of the device, and the model selection calculation method is the prior art, so detailed description is omitted.

The working principle is as follows: when the solar photovoltaic cell module is used, the solar photovoltaic cell module body 5 comprises a double-sided fluorine-containing back plate 16, a crystalline silicon cell 15, an EVA adhesive film 14 and toughened glass 13, the double-sided fluorine-containing back plate 16 has a strong ultraviolet-resistant function, the power attenuation is small, meanwhile, the EVA adhesive film 14 adopts an F806 type, the aging resistance is high, the double-sided fluorine-containing back plate 16 and the EVA adhesive film 14 which have strong damp-heat aging resistance and are ultraviolet-resistant are made of materials, the linear attenuation rate of the solar photovoltaic cell module body 5 can be greatly reduced, sunlight irradiates a first refraction surface 18 in a light transmission layer 17 when irradiating on a cell panel main body 11, a part of the sunlight enters the crystalline silicon cell 15, and is further refracted in a triangular stripe of the first refraction surface 18, so that more sunlight can be injected onto the crystalline silicon cell 15, in addition, after the sunlight enters, the second refraction surface 20 is injected again, the reflection and refraction portion is also provided, wherein the light which is not reflected can be injected onto a reflection layer 19, after the reflection, the crystal silicon cell 15 is fully absorbed, in addition, the solar photovoltaic cell module can be driven by a solar energy driving rod driving mechanism 9, and a lifting driving mechanism can drive a lifting driving rod 9 to drive a lifting rod to drive a lifting mechanism to drive a lifting rod to drive a lifting mechanism to move up and down.

Claims

1. The utility model provides a solar photovoltaic cell module that linear decay rate is low, its characterized in that, includes solar photovoltaic cell module body (5), elevating system (8), panel main part (11) and two-sided fluorine-containing backplate (16), the top of elevating system (8) is provided with lifter plate (6), the both sides of lifter plate (6) all are provided with solar photovoltaic cell module body (5), just solar photovoltaic cell module body (5) are including frame (10) and panel main part (11), the inside one side of panel main part (11) is provided with two-sided fluorine-containing backplate (16), just one side of two-sided fluorine-containing backplate (16) is provided with crystal silicon battery piece (15), the both sides of crystal silicon battery piece (15) all glue has EVA glued membrane (14), just one side that two-sided fluorine-containing backplate (16) was kept away from to crystal silicon battery piece (15) is provided with euphotic layer (17), one side that crystal silicon battery piece (15) were kept away from to euphotic layer (17) is provided with toughened glass (13).

2. The solar photovoltaic cell module with low linear attenuation rate of claim 1, wherein: the solar photovoltaic cell module is characterized in that fixing parts (7) are welded at two ends of two sides of the lifting plate (6), and the fixing parts (7) are fixedly connected with the solar photovoltaic cell module body (5) through fixing bolts.

3. The solar photovoltaic cell module with low linear attenuation rate of claim 1, wherein: the inside bottom of elevating system (8) is provided with rotary driving mechanism (1), just the output of rotary driving mechanism (1) is provided with lead screw (9), the cover is equipped with drive block (2) on lead screw (9), just the top of drive block (2) evenly is provided with movable rod (4), the top of movable rod (4) all extends to the outside of elevating system (8), and the top of movable rod (4) all with the bottom fixed connection of lifter plate (6).

4. The solar photovoltaic cell module with low linear attenuation rate of claim 3, wherein: guide way (3) have all been seted up to inside both sides of elevating system (8), the both sides of drive block (2) all are through guide block and guide way (3) sliding connection.

5. The solar photovoltaic cell module with low linear attenuation rate of claim 1, wherein: the frame (10) is made of aluminum alloy, and the inner side of the frame (10) is connected with the outer side of the battery panel main body (11) through a sealant (12).

6. The solar photovoltaic cell module with low linear attenuation rate of claim 1, wherein: one side of the inside of the euphotic layer (17) is provided with a first refraction surface (18), the other end of the inside of the euphotic layer (17) is provided with a second refraction surface (20), and a reflection layer (19) is arranged between the first refraction surface (18) and the second refraction surface (20).