CN213093211U - Semi-flexible folding photovoltaic module - Google Patents

Abstract

The utility model discloses a photovoltaic module is folded to semi-flexible, including backer, photovoltaic cell module structure, terminal box and flexbile membrane, the terminal box is located in the middle of backer and photovoltaic cell module structure, and the fixed encapsulation of photovoltaic cell module structure is between flexbile membrane and backer, wherein the photovoltaic cell module structure includes epoxy board, series connection back solar wafer and weaves the copper line, and epoxy board and the fixed encapsulation of series connection back solar wafer weave the copper line and connect each group of series connection back solar wafer. The utility model provides a half flexible folding photovoltaic module simple structure, convenient and practical realizes through reasonable structural design that photovoltaic module is small, collapsible, the light portable of quality simultaneously, can solve portable electronic equipment's the outdoor problem of charging.

Description

Semi-flexible folding photovoltaic module

Technical Field

The utility model belongs to the technical field of the new forms of energy, a photovoltaic module technical field is related to, especially, relate to a photovoltaic module is folded to semi-flexible.

Background

The solar energy is an inexhaustible, clean, pollution-free and renewable green and environment-friendly energy. The photovoltaic energy is considered as the most important new energy in the twenty-first century because of the incomparable advantages of cleanness, high safety, relative universality and sufficiency of energy, long service life, maintenance-free property and the like which are not possessed by other conventional energy sources in the solar power generation.

With the development of global economy, pollution is more serious, global climate is warming gradually, solar energy is gradually favored as a new energy product for human beings, and the development and utilization of solar energy become one of effective methods for solving environmental pollution and energy shortage.

The solar cell is widely applied to the fields of communication satellite power supply, off-grid power generation systems, grid-connected power generation systems and the like, and mainly comprises a crystalline silicon cell, a thin film cell and other novel cells. The crystalline silicon cell component for solar power generation is a photovoltaic power generation product formed by arranging crystalline silicon solar cells according to a certain form, electrically connecting the crystalline silicon solar cells, and laminating packaging materials such as glass, a sealant, a back plate and the like. The assembly product has heavy quality, large area and inconvenient carrying. In addition, many photovoltaic modules appearing in the market at present adopt a planar structure due to the limitations of the cell pieces and the aluminum alloy frames, the area of each photovoltaic module determines the output power, the larger the area is, the more the cell pieces receive light energy, the higher the output power is, and conversely, the smaller the output power is, so that the general area design of the existing photovoltaic modules is larger.

With the development of society, the living standard of people is continuously improved, people are not comfortable to live at home, people want to enjoy sunlight outdoors, and various electronic products become daily necessities of people. Therefore, in some cases where portable electronic devices (such as mobile phones, notebook computers, and flashlights) are used, a portable photovoltaic power source is needed to supply power to the portable electronic devices at any time and any place.

SUMMERY OF THE UTILITY MODEL

In order to the above situation, the utility model provides a photovoltaic module is folded to semi-flexible, this photovoltaic module is folded to semi-flexible simple structure, convenient and practical realizes that photovoltaic module is small, collapsible, the light portable of quality simultaneously through reasonable structural design, can solve portable electronic equipment's the outdoor problem of charging.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

semi-flexible folding photovoltaic module, including backer, photovoltaic cell module structure, terminal box and flexbile membrane, the terminal box is located in the middle of backer and photovoltaic cell module structure, and the fixed encapsulation of photovoltaic cell module structure is between flexbile membrane and backer, wherein the photovoltaic cell module structure includes epoxy board, the back solar wafer of establishing ties and weaves the copper line, and epoxy board and the fixed encapsulation of the back solar wafer of establishing ties weave the copper line and connect each group back solar wafer of establishing ties.

The solar cell pieces are connected in series by the welding strips, the welding strips are vertically connected with the bus bars, the welding strips are covered by black high-temperature-resistant adhesive tapes, and the bus bars are covered by black back plates.

The utility model discloses further preferred scheme: the flexible membrane is an ETFE membrane.

The utility model discloses further preferred scheme: the packaging material for fixing and packaging is an EVA adhesive film.

The utility model discloses further preferred scheme: the solar cell is a single crystal cell.

Compared with the prior art, the utility model has the advantages of:

1) the semi-flexible folding photovoltaic module provided by the utility model has simple structure, convenient use and strong practicability;

2) the semi-flexible folding photovoltaic module provided by the utility model utilizes solar energy to charge, namely green energy is used, and the environment is protected;

3) the utility model provides a too half flexible folding photovoltaic module is small, collapsible, the light portable of quality simultaneously, can solve the outdoor problem of charging of portable electronic equipment (notebook computer, cell-phone, flashlight etc.).

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is the utility model discloses a semi-flexible folding photovoltaic module's each spare part integral connection sketch map.

In the figure: junction box 1, backer 2, EVA glued membrane 3, epoxy 4, solar wafer 5, busbar 6, solder strip 7, black high temperature resistant adhesive tape 8, black backplate 9, EVA glued membrane 10, flexible membrane 11 weave copper line 12, photovoltaic module structure 13, solar wafer 14 after establishing ties.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1: the semi-flexible folding photovoltaic module comprises a base fabric 2, a photovoltaic cell module structure 13, a junction box 1 and a flexible film 11, wherein the junction box 1 is positioned between the base fabric 2 and the photovoltaic cell module structure 13, and the photovoltaic cell module structure 13 is fixedly packaged between the flexible film 11 and the base fabric 2.

The photovoltaic cell module structure 13 comprises an epoxy plate 4, a series-connected solar cell piece 14 and a woven copper wire 12, the epoxy plate 4 and the series-connected solar cell piece 14 are fixedly packaged, and the woven copper wire 12 connects each group of series-connected solar cell pieces 14.

The solar cell pieces 14 after serial connection are obtained by serially connecting the solar cell pieces 5 through the welding strips 7, wherein the welding strips 7 are vertically connected with the bus bars 6, the welding strips 7 are covered by the black high-temperature-resistant adhesive tape 8, and the bus bars 6 are covered by the black back plate 9.

The flexible membrane 11 is an ETFE membrane.

The packaging material for fixing and packaging is an EVA adhesive film 10.

The solar cell 5 is a single crystal cell.

The semi-flexible folding photovoltaic module is obtained by twice laminating, wherein the first laminating is to sequentially laminate an epoxy plate 4, an EVA adhesive film 10, a serially connected single crystal battery piece 14 and a base fabric 2 into a laminating machine for first laminating to obtain a first laminating piece; and the second lamination is to connect the groups of the serially connected single crystal battery pieces 14 by the woven copper wires 12 of the first lamination part, and then sequentially laminate the base fabric 2, the EVA adhesive film 10, the connected first lamination part and the flexible film 11 into a laminating machine for second lamination to obtain the semi-flexible folding photovoltaic module.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (3)

1. Semi-flexible folding photovoltaic module, including backer, photovoltaic cell module structure, terminal box and flexible membrane, the terminal box is located in the middle of backer and photovoltaic cell module structure, and the fixed encapsulation of photovoltaic cell module structure is between flexible membrane and backer, its characterized in that: the photovoltaic cell module structure comprises an epoxy plate, serially connected solar cells and braided copper wires, wherein the epoxy plate and the serially connected solar cells are fixedly packaged, and the braided copper wires connect all groups of the serially connected solar cells;

the solar cell is obtained by serially connecting the solar cells through the welding strips, vertically connecting the welding strips with the bus bars, covering the welding strips with black high-temperature-resistant adhesive tapes and covering the bus bars with black back plates.

2. The semi-flexible folded photovoltaic module of claim 1, wherein: the flexible membrane is an ETFE membrane.

3. The semi-flexible folded photovoltaic module of claim 1, wherein: the solar cell is a single crystal cell.

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