CN214625063U

CN214625063U - Single crystal solar photovoltaic panel

Info

Publication number: CN214625063U
Application number: CN202120868887.1U
Authority: CN
Inventors: 张付军
Original assignee: Xinyu Tianyi New Energy Technology Co ltd
Current assignee: Xinyu Tianyi New Energy Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-05
Anticipated expiration: 2031-04-26

Abstract

The utility model relates to the field of solar photovoltaic panels, and discloses a single crystal solar photovoltaic panel, which solves the problems of low photoelectric utilization rate and short service life of the single crystal solar photovoltaic panel in the current market, and comprises a protective shell, wherein photovoltaic panel components are arranged on the surface of the protective shell at equal intervals, the surfaces of the photovoltaic panel components are movably connected through welding interconnection strips, each photovoltaic panel component comprises a battery component back plate, a first PVB film layer, a photosensitive middle film layer, an EVA film, a single crystal silicon battery sheet combination layer, a second PVB film layer and a toughened glass layer, the single crystal solar photovoltaic panel improves the light transmittance, enhances the light utilization rate, can effectively improve the adhesive force and the durability, has reasonable design structure, can prevent foreign objects from damaging the photovoltaic panel through the toughened glass layer, and is convenient for prolonging the service life of the whole photovoltaic panel, high light energy utilization rate, high economic benefit and wide application prospect.

Description

Single crystal solar photovoltaic panel

Technical Field

The utility model belongs to the technical field of the solar photovoltaic board, specifically be a single crystal solar photovoltaic board.

Background

The solar cell panel is an assembly formed by assembling a plurality of monocrystalline silicon solar cells on a plate in a certain way, the photoelectric conversion efficiency of the monocrystalline silicon solar cells is about fifteen percent, and the highest photoelectric conversion efficiency reaches twenty-four percent, which is the highest photoelectric conversion efficiency of all kinds of solar cells, but the manufacturing cost is very large, so that the solar cell panel cannot be widely and generally used in a large quantity.

The existing single crystal solar photovoltaic panel has low photoelectric utilization rate and short service life of the whole body.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a single crystal solar photovoltaic board, the effectual single crystal solar photovoltaic board photoelectric utilization who has solved among the above-mentioned background art is lower, the shorter problem of holistic life.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a monocrystalline solar photovoltaic board, includes protective housing, protective housing's surperficial equidistance installs photovoltaic panel subassembly, through welding interconnection strip swing joint between photovoltaic panel subassembly's the surface, photovoltaic panel subassembly includes battery pack backplate, first PVB film layer, rete in the middle of the sensitization, the EVA glued membrane, monocrystalline silicon battery piece composite layer, second PVB film layer and toughened glass layer, has connected gradually first PVB film layer between battery pack backplate and the toughened glass layer, rete in the middle of the sensitization, the EVA glued membrane, monocrystalline silicon battery piece composite layer and second PVB film layer.

Preferably, the bottom of the inner cavity of the protective shell is fixedly connected with a bottom plate, a clamping plate is installed at the top of the bottom plate, and the bottom of the photovoltaic panel assembly is installed at the top of the clamping plate.

Preferably, four corners of the photovoltaic panel assembly present a chamfered shape.

Preferably, the material of the welding interconnection strip is a tin-coated copper strip.

Preferably, the battery pack back plate is a three-millimeter PE plate or eight-millimeter transparent glass.

Preferably, the toughened glass layer is made of low-iron-wool-surface toughened glass.

Preferably, the thickness of the first PVB film layer and the second PVB film layer are both seven-six millimeters zero.

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

the bottom plate and the clamping plate are arranged inside the whole protective shell, then the plurality of photovoltaic plate assemblies are arranged on the top of the clamping plate through the adhesive film, the battery assembly back plate is contacted with the clamping plate, meanwhile, the welding interconnection strips are utilized to weld the plurality of photovoltaic plate assemblies, the EVA adhesive film has high transparency, is easy to store, has good sound insulation effect, low melting point and easy flow, and can be suitable for the laminating process of various kinds of glass, the battery assembly back plate and the monocrystalline silicon battery plate combination layer can be bonded through the EVA adhesive film, the first PVB adhesive film layer and the photosensitive intermediate film layer, the light transmittance is improved, the light utilization rate is enhanced, the adhesive force, the durability and the optical property can be effectively improved, the design structure is reasonable, the light utilization rate is high, the damage of foreign objects to the photovoltaic plate can be prevented through the toughened glass layer, and the service life of the whole photovoltaic plate is convenient to improve, high light energy utilization rate, high economic benefit and wide application prospect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a top view of the structure of the present invention;

fig. 2 is a schematic structural view of the photovoltaic panel assembly of the present invention;

fig. 3 is an expanded view of the structure of the photovoltaic panel assembly of the present invention;

fig. 4 is a schematic structural view of the protective casing of the present invention;

in the figure: 1. a protective housing; 2. a photovoltaic panel assembly; 201. a battery pack back sheet; 202. a first PVB film layer; 203. a photosensitive intermediate film layer; 204. an EVA adhesive film; 205. a monocrystalline silicon battery piece combination layer; 206. a second PVB film layer; 207. a tempered glass layer; 3. welding the interconnection strips; 4. a base plate; 5. and (4) clamping the board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; 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.

In the first embodiment, as shown in fig. 1, fig. 2 and fig. 3, the present invention comprises a protective casing 1, photovoltaic panel assemblies 2 are installed on the surface of the protective casing 1 at equal intervals, the surfaces of the photovoltaic panel assemblies 2 are movably connected by a welding interconnection bar 3, the welding interconnection bar 3 is used to facilitate the welding operation of a plurality of photovoltaic panel assemblies 2, each photovoltaic panel assembly 2 comprises a battery assembly back plate 201, a first PVB film layer 202, a photosensitive middle film layer 203, an EVA film 204, a monocrystalline silicon battery sheet assembly layer 205, a second PVB film layer 206 and a toughened glass layer 207, the EVA film 204 has high transparency, is easy to store, has a good sound insulation effect, has a low melting point, is easy to flow, and can be applied to the laminating process of various kinds of glass, a first PVB film layer 202, a photosensitive middle film layer 203, an EVA film 204, a monocrystalline silicon battery piece assembling layer 205 and a second PVB film layer 206 are sequentially connected between the battery assembly back plate 201 and the toughened glass layer 207.

Second embodiment, on the basis of first embodiment, given by fig. 1 and 4, the bottom fixedly connected with bottom plate 4 of 1 inner chamber of protective housing, cardboard 5 is installed at the top of bottom plate 4, and the top at cardboard 5 is installed to the bottom of photovoltaic board subassembly 2, and bottom plate 4 and cardboard 5 are all installed in 1 inner chamber bottom of protective housing to battery pack backplate 201 is installed at the top of cardboard 5, is convenient for install photovoltaic board subassembly 2 through cardboard 5.

In the third embodiment, based on the first embodiment, as shown in fig. 1, 2 and 3, the four corners of the photovoltaic panel assembly 2 are chamfered, and the photovoltaic panel assembly 2 is chamfered, so that the silicon rod can be fully used.

In the fourth embodiment, on the basis of the first embodiment, as shown in fig. 1, the soldering interconnection bar 3 is made of a tin-coated copper strip, and the soldering interconnection bar 3 is used for conveniently soldering the photovoltaic panel assembly 2, so that the fastening performance between the photovoltaic panel assemblies 2 is greatly improved.

In the fifth embodiment, based on the first embodiment, as shown in fig. 3, the battery assembly back sheet 201 is a PE sheet with a thickness of three millimeters or a transparent glass with a thickness of eight millimeters, and the use of the multi-material battery assembly back sheet 201 facilitates enhancing the service life of the whole photovoltaic panel.

Sixth embodiment, on the basis of first embodiment, given by fig. 3, toughened glass layer 207 material is low iron fine hair face toughened glass, can prevent through toughened glass layer 207 that foreign matter from causing the damage to whole photovoltaic board, is convenient for improve the life of organizing whole equipment.

Seventh embodiment, based on the first embodiment, as shown in fig. 3, the thicknesses of the first PVB film layer 202 and the second PVB film layer 206 are both seven-six mm, and the first PVB film layer 202 and the second PVB film layer 206 can be used to bond the battery assembly back plate 201 and the photosensitive intermediate film layer 203.

The working principle is as follows: when the protective casing works, the bottom plate 4 and the clamping plate 5 are arranged inside the whole protective casing 1, then the plurality of photovoltaic panel assemblies 2 are arranged on the top of the clamping plate 5 through the adhesive film, so that the battery assembly back plate 201 is contacted with the clamping plate 5, then the welding interconnection strips 3 are utilized to perform welding operation on the plurality of photovoltaic panel assemblies 2, the EVA adhesive film 204 has high transparency, is easy to store, has good sound insulation effect, low melting point and easy flow, and can be suitable for the adhesive clamping process of various kinds of glass, the battery assembly back plate 201 and the monocrystalline silicon battery sheet combination layer 205 can be more bonded through the EVA adhesive film 204, the first PVB adhesive layer 202 and the photosensitive intermediate film layer 203, the light transmittance is improved, the light utilization rate is enhanced, the adhesive force, the durability and the optical property can be effectively improved, the design structure is reasonable, the light utilization rate is high, and the damage of foreign objects to the photovoltaic panels can be prevented through the toughened glass layer 207, the service life of the whole photovoltaic panel is convenient to improve.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a single crystal solar photovoltaic board, includes protective housing (1), its characterized in that: photovoltaic panel subassembly (2) are installed to the surperficial equidistance of protective housing (1), through welding interconnection strip (3) swing joint between the surface of photovoltaic panel subassembly (2), photovoltaic panel subassembly (2) are including battery pack backplate (201), first PVB film layer (202), rete (203) in the middle of the sensitization, EVA glued membrane (204), monocrystalline silicon battery piece laminate (205), second PVB film layer (206) and toughened glass layer (207), it has first PVB film layer (202) to connect gradually between battery pack backplate (201) and toughened glass layer (207), rete (203) in the middle of the sensitization, EVA glued membrane (204), monocrystalline silicon battery piece laminate (205) and second PVB film layer (206).

2. The single crystal solar photovoltaic panel according to claim 1, wherein: the bottom fixedly connected with bottom plate (4) of protective housing (1) inner chamber, cardboard (5) are installed at the top of bottom plate (4), and the top at cardboard (5) is installed to the bottom of photovoltaic board subassembly (2).

3. The single crystal solar photovoltaic panel according to claim 1, wherein: the four corners of the photovoltaic panel assembly (2) are in a chamfered shape.

4. The single crystal solar photovoltaic panel according to claim 1, wherein: the welding interconnection strip (3) is made of a tin-coated copper strip.

5. The single crystal solar photovoltaic panel according to claim 1, wherein: the battery pack back plate (201) is a PE plate with the thickness of three millimeters or transparent glass with the thickness of eight millimeters.

6. The single crystal solar photovoltaic panel according to claim 1, wherein: the toughened glass layer (207) is made of low-iron-wool-surface toughened glass.

7. The single crystal solar photovoltaic panel according to claim 1, wherein: the first PVB film layer (202) and the second PVB film layer (206) are both seven-six millimeters in thickness.