CN212257418U

CN212257418U - Cylindrical laminated photovoltaic module

Info

Publication number: CN212257418U
Application number: CN202020807260.0U
Authority: CN
Inventors: 刘洋
Original assignee: Hanmoni Jiangsu Photoelectric Technology Co ltd
Current assignee: Hanmoni Jiangsu Photoelectric Technology Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-29
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a column-shaped tile-stacked photovoltaic module, which has the technical scheme that an ultra-flexible photovoltaic crystalline silicon tile-stacked photovoltaic module is wound on a cylinder substrate, a photovoltaic junction box is arranged at one side of the ultra-flexible crystalline silicon tile-stacked photovoltaic module, the ultra-flexible crystalline silicon tile-stacked photovoltaic module sequentially comprises a transparent front film, an upper hot melt adhesive film, a battery area, a lower hot melt adhesive film and a flexible back plate from top to bottom, and the ultra-flexible photovoltaic crystalline silicon tile-stacked photovoltaic module is formed by packaging; after the battery area is cut into small pieces by the laminated cell piece, the cut small pieces are directly bonded into strings by positive and negative electrodes through conductive materials, a plurality of batteries are connected in parallel to form the battery area, and the back of the ultra-flexible crystal silicon laminated photovoltaic module is adhered with a double-sided adhesive tape and supporting foam and is adhered to the surface of a cylinder base material through the double-sided adhesive tape. The utility model discloses a super gentle subassembly design is accomplished can the circumference crooked, supports the bubble cotton and can effectively alleviate the bonding stress problem, adopts the shingled cell piece, has improved unit area's generated energy, has promoted efficiency.

Description

Cylindrical laminated photovoltaic module

Technical Field

The utility model belongs to the technical field of solar cell, concretely relates to column shingle photovoltaic module.

Background

The applications of street lamps, cameras, signal base stations and the like are increased year by year in urban development; however, the conventional power supply in these applications needs to be taken from the mains supply, firstly, the power taking needs to be approved by relevant departments, and secondly, the power-off line can seriously affect the appearance of the city. Therefore, the photovoltaic power generation system with energy storage becomes the best choice; however, the conventional power generation system is not attractive in appearance, inconvenient to install and the like, so that the popularization of the photovoltaic power generation system in cities is hindered; cylindrical applications such as lamp poles, advertising poles and telegraph poles can be found on various occasions, and the cylindrical applications can serve as mounting positions of the photovoltaic modules.

Disclosure of Invention

An object of the utility model is to provide a column shingle photovoltaic module to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a columnar laminated photovoltaic module comprises a cylinder base material, a photovoltaic junction box and an ultra-flexible crystalline silicon laminated photovoltaic module, wherein the ultra-flexible crystalline silicon laminated photovoltaic module is wound on the cylinder base material, the photovoltaic junction box is installed on one side of the ultra-flexible crystalline silicon laminated photovoltaic module, the ultra-flexible crystalline silicon laminated photovoltaic module sequentially comprises a transparent front film, an upper layer hot melt adhesive film, a battery area, a lower layer hot melt adhesive film and a flexible back plate from top to bottom, and the ultra-flexible crystalline silicon laminated photovoltaic module is formed by packaging; the battery district is cut into the chip by the shingling battery piece after, will cut the chip after, positive negative pole directly bonds into the cluster through conducting material, and a plurality of battery cluster connect in parallel become the battery district, super flexible crystal silicon shingling photovoltaic module back is pasted and is had double-sided tape and support bubble cotton to paste on section of thick bamboo substrate surface through double-sided tape.

Preferably, the cell strings can be transversely arranged and also can be longitudinally arranged, the cell pieces are stacked and arranged, the side edges, with the front surfaces facing upwards, of the cell pieces are provided with cell piece front surface electrodes, the side edges, with the back surfaces facing downwards, of the cell pieces are provided with cell piece back surface electrodes, and the cell piece front surface electrodes are connected with the cell piece back surface electrodes through conducting materials.

Preferably, the double-sided adhesive tape is pre-arranged on the back of the ultra-flexible photovoltaic crystal silicon shingled photovoltaic module.

Preferably, the main base material of the flexible back plate is a flexible PET material, and the front surface and the back surface of the flexible back plate are respectively compounded or coated with a fluorine-containing material or a co-extrusion material of 2 layers of extruded polyolefin heat-shrinkable films.

Preferably, the super-flexible photovoltaic crystalline silicon laminated photovoltaic module can be directly synthesized into an integral columnar photovoltaic module through an autoclave lamination process.

The utility model discloses a technological effect and advantage:

this reel dress shingle photovoltaic module adopts super flexibility subassembly design to accomplish can the circumference crooked, the crookedness is higher than conventional flexible assembly, the cylindric subassembly can be a drum, also can be a plurality of circular arcs and form, also can be simultaneously with the direct synthetic integrative cylindrical photovoltaic module of forming of shingle photovoltaic module, the manufacturing cost of product has also been reduced simultaneously to the process of having practiced thrift, photovoltaic module's comprehensive physical properties has also been promoted, use simultaneously to support the bubble cotton and can effectively alleviate the bonding stress problem, adopt the shingle technique, the generated energy of unit area has been improved, the utilization to solar energy has been strengthened. The efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an expanded schematic view of the present invention;

fig. 3 is an internal structure view of the super-flexible crystal silicon laminated photovoltaic module of the present invention;

fig. 4 is a layout view of the battery cell of the present invention.

In the figure: 1-a cylinder substrate; 2-a photovoltaic junction box; 3-an ultra-flexible crystalline silicon laminated photovoltaic module; 4-transparent front film; 5-upper hot melt adhesive film; 6-battery zone; 7-lower hot melt adhesive film; 8-a flexible backplane; 9-supporting foam; 10-double-sided tape; 11-cell front electrode; 12-a battery piece; 13-cell back side electrode; 14-conductive material.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

The utility model provides a column-shaped laminated photovoltaic module as shown in figures 1-4, which comprises a cylinder substrate 1, a photovoltaic junction box 2 and an ultra-flexible crystal silicon laminated photovoltaic module 3, wherein the ultra-flexible crystal silicon laminated photovoltaic module 3 is wound on the cylinder substrate 1, the photovoltaic junction box 2 is arranged at one side of the ultra-flexible crystal silicon laminated photovoltaic module 3, and the ultra-flexible crystal silicon laminated photovoltaic module 3 is formed by packaging a transparent front film 4, an upper hot melt adhesive film 5, a battery area 6, a lower hot melt adhesive film 7 and a flexible back plate 8 from top to bottom in sequence; the battery zone 6 is cut into small pieces by special imbricated battery pieces 12, the cut small pieces are bonded into strings by positive and negative electrodes directly through conductive materials 14, the battery zone 6 is formed by connecting a plurality of battery pieces 12 in series and parallel, the back of the ultra-flexible crystal silicon imbricated photovoltaic module 3 is adhered with double-sided adhesive tapes 10 and supporting foam 11, and the double-sided adhesive tapes 10 are adhered to the surface of the cylinder base material 1.

Specifically, the tube substrate 1 is mounted to an application position by a structural member, and the tube substrate 1 may be a cylinder. Or a plurality of circular arcs, and can be a cylindrical object such as a lamp post, an advertising post, a telegraph pole and the like.

Specifically, the battery cluster can transversely arrange and also vertically arrange, and also can have transversely arrange and vertically arrange, adopt to pile up between the battery piece 12 and arrange, adopt and fold the tile technique, be provided with battery piece 12 front electrode 11 at the positive side up of battery piece 12, the side down at the back of battery piece 12 is provided with battery piece 12 back electrode, be connected through conducting material 14 between battery piece 12 front electrode 11 and the battery piece 12 back electrode, reduced the welding, the zero clearance of two slices of batteries around can accomplishing, more make full use of the photic area on the subassembly, promoted the conversion efficiency of folding the tile subassembly.

Specifically, the conductive material 14 is an ultra-flexible silica gel material substrate, the conductive material 14 is a mixture of an organic silica gel and metal particles, and silver or silver-copper particles are dispersed into the ultra-flexible conductive adhesive. Meanwhile, the conductive adhesive tape can be used for realizing the close-packed layout among the battery pieces 12 by replacing the traditional welding process through conductive adhesive bonding, so that the output power and the reliability of the assembly are greatly improved, the reduction of the fragment rate of the manufacturing process is facilitated, and the flaking is promoted.

Specifically, double-sided tape 10 presets in the super flexible photovoltaic crystal silicon shingled photovoltaic module back, is provided with the cotton 9 of support bubble in double-sided tape 10's internal clearance department, and the cotton 9 of support bubble can effectively alleviate bonding stress problem.

Specifically, the main substrate of the flexible back plate 8 is a flexible PET material, and the front surface and the back surface are respectively compounded or coated with a fluorine-containing material, or are co-extruded materials of 2 layers of extruded polyolefin heat-shrinkable films.

Specifically, the barrel-mounted photovoltaic module can also comprise a transparent front film 4, an upper layer thermosol film 5 and a battery area 6; the lower layer hot melt adhesive film 7 and the flexible back plate 8 are directly synthesized into an integral columnar photovoltaic module through an autoclave lamination process, so that the integral columnar photovoltaic module can better bear mechanical load and has less hidden cracks.

Specifically, the photovoltaic junction box 2 is used for electrical connection between the inconvenience and the load after the electrodes are led out, the electrodes are required to be welded on a formed and convenient-to-use electrical interface at the moment, the sealing performance is damaged when the electrodes are led out, the sealing performance needs to be covered with silica gel for compensation, and the photovoltaic junction box 2 plays a role in increasing the connection strength and attractiveness at the same time. The positive and negative electrodes of the power supply are led out through the electric leads in the photovoltaic junction box 2, so that the electrode is prevented from being aged by direct contact with the outside. The IP grade component of the junction box has the lowest requirement of IP65 for the IP grade of the junction box. The cable fixing head and the junction box are externally connected with wires.

The winding drum tile-stacked photovoltaic module is made of tile-stacked modules, the flexible conductive material 14 is used, so that the bending performance is improved, the winding drum can be bent circumferentially, the bending degree is higher than that of a conventional flexible module, the cylindrical module can be a cylinder or a plurality of arcs, meanwhile, the ultra-flexible module can be adhered to the cylinder base material 1 or packaged with the cylinder base material 1 into a whole, the supporting foam 9 can effectively relieve the problem of bonding stress, meanwhile, the cell strings can be arranged transversely or longitudinally, or can be arranged in a connecting mode of transverse arrangement and longitudinal arrangement, and the conductive adhesive is used, so that the installation of the cell 12 is greatly facilitated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a column shingled photovoltaic module, it comprises a section of thick bamboo substrate (1), photovoltaic terminal box (2) and super flexible crystal silicon shingled photovoltaic module (3), super flexible crystal silicon shingled photovoltaic module (3) are around on a section of thick bamboo substrate (1), one side at super flexible crystal silicon shingled photovoltaic module (3), its characterized in that are installed in photovoltaic terminal box (2): the super-flexible crystalline silicon laminated photovoltaic module (3) is formed by sequentially packaging a transparent front film (4), an upper layer hot melt adhesive film (5), a battery area (6), a lower layer hot melt adhesive film (7) and a flexible back plate (8) from top to bottom; after battery district (6) is cut into the piece by imbricated cell piece (12) branch, the piece after will cutting, positive negative pole directly bonds into the cluster through conducting material (14), and a plurality of batteries connect in series and connect in parallel become battery district (6), super flexible crystal silicon imbricated photovoltaic module (3) back is pasted and is had double-sided tape (10) and support bubble cotton (9) to paste on section of thick bamboo substrate (1) surface through double-sided tape (10).

2. A cylindrical-shingled photovoltaic module, as defined by claim 1, wherein: the battery pack is characterized in that battery strings in the battery area (6) can be transversely arranged and also can be longitudinally arranged, the battery pieces (12) are stacked and arranged, a battery piece front electrode (11) is arranged on the side edge, facing upwards, of the front side of each battery piece (12), a battery piece back electrode (13) is arranged on the side edge, facing downwards, of the back side of each battery piece (12), and the battery piece front electrode (11) and the battery piece back electrode (13) are connected through a conductive material (14).

3. A cylindrical-shingled photovoltaic module, as defined by claim 1, wherein: the double-sided adhesive tape (10) is preset on the back of the ultra-flexible photovoltaic crystalline silicon laminated photovoltaic module (3).

4. A cylindrical-shingled photovoltaic module, as defined by claim 1, wherein: the main base material of the flexible back plate (8) is a flexible PET material, and the front surface and the back surface are respectively compounded or coated with a fluorine-containing material or are co-extruded materials of 2 layers of extruded polyolefin heat-shrinkable films.

5. A cylindrical-shingled photovoltaic module, as defined by claim 1, wherein: the ultra-flexible photovoltaic crystal silicon shingled photovoltaic module (3) can be directly synthesized into an integral columnar photovoltaic module through an autoclave lamination process.