CN219303677U

CN219303677U - High-power ultrathin solar folding bag

Info

Publication number: CN219303677U
Application number: CN202223607850.7U
Authority: CN
Inventors: 陈嘉豪; 陈五奎; 陈欢; 刘拴平; 温雨晴
Original assignee: Shenzhen Topray Solar Co Ltd
Current assignee: Shenzhen Topray Solar Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-04
Anticipated expiration: 2032-12-30

Abstract

The utility model provides a high-power ultrathin solar folding bag, which comprises: the solar cell comprises an epoxy resin substrate, a cell sheet layer and an ETFE transparent film layer which are sequentially arranged from bottom to top, and the ETFE transparent film layer and the epoxy resin substrate are laminated by adopting an integrated design and adopting an unconventional process of laminating the ETFE transparent film layer and the epoxy resin substrate, the ETFE transparent film layer and the epoxy resin substrate are softer, compared with the original glass type component, the cell sheet is not easy to deviate after lamination, the glass type component is not fragile, the component after the lamination of the ETFE transparent film layer and the epoxy resin substrate is not broken, the ETFE transparent film layer is not easy to scratch and damage, and the solar cell has the characteristics of light volume, portability, high light transmittance, high corrosion resistance and long service life.

Description

High-power ultrathin solar folding bag

Technical Field

The utility model belongs to the technical field of photovoltaic application, and particularly relates to a high-power ultrathin solar folding bag.

Background

With the rapid development of the current society, products such as artificial intelligence and electronic information walk in, so that people like to charge by a mobile charger at any time to provide the cruising ability of the electronic products, but the mobile charger is always limited in energy, and cannot provide continuous power when going out or camping. The global fossil energy consumption is accelerated, the ecological environment is continuously worsened, particularly, the increasingly severe global climate change is caused by the emission of greenhouse gases, the sustainable development of human society is seriously threatened, and the respective energy development strategies are formulated in various countries around the world so as to cope with the limitation of conventional fossil energy resources and the environmental problems caused by development and utilization, so that people tend to use solar battery products to supplement electric power, not only renewable new energy sources are better utilized, but also the consumption of fossil energy sources can be rapidly reduced.

Along with the development of new energy technology, the solar energy component is applied to electric equipment more and more widely, but the existing smooth solar energy component is mainly a laminated board formed by packaging glass and a back film, and has certain defects when in use, a battery piece is easy to generate no deviation, and the glass is fragile and has too heavy volume to be carried easily; junction boxes used for conventional solar modules are waterproof and easily weathered, and can cause unsafe factors for users; the appearance of the glass solar module is harder, a certain influence is brought to a user in the use process, the shape and the appearance of the solar module device in the current market are single, the selectivity is not much, and the harsh requirements of market clients are not met.

Disclosure of Invention

The utility model aims to provide a high-power ultrathin solar folding bag, which aims to solve the problems that a solar component packaged by the existing glass is easy to generate no deviation of a battery piece, and the glass is fragile, too heavy in volume and not easy to carry.

In order to solve the technical problems, the utility model is realized in such a way that a high-power ultrathin solar folding bag comprises: the solar cell comprises an epoxy resin substrate, a cell layer and an ETFE transparent film layer which are sequentially arranged from bottom to top. The ETFE transparent film layer has the characteristics of high light transmittance, strong corrosion resistance and long service life, and the light transmittance of the flexible component is improved, so that the power generation efficiency of the solar component is improved.

Adopt high strength ETFE transparent membranous layer to add epoxy base plate and combine the protection solar cell piece, through the encapsulation of lamination subassembly for solar panel is more firm, 30 flexible, difficult fish tail damages, light in weight, convenient to carry.

Further, the main cloth layer is teflon grid cloth. The laminated epoxy resin substrate is laminated into a honeycomb surface by the iron fluorine Long Wangge cloth, so that a light trapping structure can be formed, the reflection of light is reduced, the utilization rate is improved, and meanwhile, the appearance consistency is better, so that the solar energy conversion efficiency and the weak light are higher.

Further, an EVA layer is further arranged on the upper side of the main cloth layer, and an EVA layer is also arranged between the oxygen resin substrate and the battery piece layer.

Further, a battery cloth layer is further arranged between the battery piece layer and the ETFE transparent film layer, an EVA layer is arranged between the battery cloth layer and the battery piece layer, and an EVA layer is also arranged between the battery cloth layer and the ETFE transparent film layer.

Further, the battery cloth layer is made of teflon mesh cloth. The ETFE transparent film layer is laminated by the iron-fluorine Long Wangge cloth, so that the surface of the solar folding bag forms a honeycomb shape, a light trapping structure can be formed, the reflection of light is reduced, the utilization rate is improved, meanwhile, the appearance consistency is better, and the defects of single appearance shape, hardness and little selectivity of the original solar component are overcome.

Further, in the length direction of the main cloth layer, a line-shaped folding hole is formed in the main cloth layer between the adjacent solar cells, and the line-shaped folding hole is parallel to the length direction of the solar cells.

Further, the main cloth layer is also provided with cross folding holes, and the cross folding holes are positioned at adjacent corners of four adjacent solar cells.

Further, fixing holes are formed in four corners of the main cloth layer.

Further, one end of the main cloth layer is provided with a winding belt, and one side of the winding belt is provided with magic tapes arranged at intervals.

Further, the solar cells are connected into two groups of battery packs through the connecting wires, the solar cells in each group of battery packs are connected in series, the two groups of battery packs are connected in parallel through the bus wires, and a junction box connected with the bus wires is arranged at one end of the main cloth layer.

Compared with the prior art, the high-power ultrathin solar folding bag has the beneficial effects that:

according to the utility model, through an integrated design and adopting an unconventional process of laminating the ETFE transparent film layer and the epoxy resin substrate, the ETFE transparent film layer and the epoxy resin substrate are softer, compared with the original glass type component, the battery piece is not easy to deviate after lamination, the battery piece is not fragile like the glass type component, and the component after the lamination of the ETFE transparent film layer and the epoxy resin substrate is resistant to falling, breakage and scratch and damage, and is lighter in volume and convenient to carry.

Drawings

FIG. 1 is a front expanded view of a high power ultra-thin solar folded package in an embodiment of the utility model;

FIG. 2 is an expanded view of the back of a high power ultra-thin solar folded package in accordance with an embodiment of the utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a front view of a fold over high power ultra-thin solar folded package in accordance with an embodiment of the utility model;

FIG. 5 is a folded back view of a high power ultra-thin solar folded bag in an embodiment of the utility model;

FIG. 6 is a layered structure diagram of a high power ultra-thin solar folded package in an embodiment of the utility model;

FIG. 7 is a wiring diagram of a solar cell in an embodiment of the utility model;

in the drawings, each reference numeral denotes:

1. the solar cell comprises a main fabric layer 2, a solar cell 3, a straight folding hole 4, a cross folding hole 5, a winding belt 6, a magic tape 7, a junction box 8, a fixing hole 9, a connecting lead 10, an EVA layer 11, an oxygen resin substrate 12, a cell layer 13, a cell fabric layer 14, an ETFE transparent film layer 15, an anode reflux lead 16 and a cathode reflux lead.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples:

referring to fig. 1 to 2, in the present embodiment, a high-power ultra-thin solar folding bag includes: the solar energy storage device comprises a main body cloth layer 1 and a plurality of solar cells 2 arranged on the upper side of the main body cloth layer 1, wherein adjacent solar cells 2 are arranged at intervals. Three rows of solar cells 2 are distributed on the main cloth layer 1, and each row of solar cells 2 is uniformly arranged along the length direction of the main cloth layer 1. The solar cell 2 is preferably a high-efficiency flexible crystalline silicon solar cell 2 sheet, and has high conversion rate and long service life.

One end of the main cloth layer 1 is provided with a winding belt 5, and one side of the winding belt 5 is provided with a magic tape 6 which is arranged at intervals. And a junction box 7 is provided at the end of the main cloth layer 1, and the junction box 7 collects and outputs the current of all the solar cells 2.

In order to reduce folding resistance, the high-power ultrathin solar folding bag can be folded neatly, a straight folding hole 3 is formed in the main cloth layer 1 between adjacent solar cells 2 in the length direction of the main cloth layer 1, and the straight folding hole 3 is parallel to the length direction of the solar cells 2. The main cloth layer 1 is also provided with cross folding holes 4, and the cross folding holes 4 are positioned at adjacent corners of four adjacent solar cells 2.

Referring to fig. 3, fixing holes 8 are formed at four corners of the main body cloth layer 1. The powerful suction disc can be arranged at the fixing hole 8, so that the high-power ultrathin solar folding bag can be fixed by the powerful suction disc after being unfolded, and the installation is convenient. Stainless steel rings can be arranged in the fixing holes 8, so that the corrosion resistance is strong and the service life is long.

Referring to fig. 4 to 5, the two solar cells 2 on the outer side are folded towards the solar cell 2 on the middle side, then gradually folded towards one end with a winding tape 5, the high-power ultrathin solar folding bag is folded to the area of one solar cell 2, and finally, the winding tape 5 is wound and then fixed through a magic tape 6, so that the solar folding bag is convenient to store.

Referring to fig. 6, the solar cell 2 includes an epoxy resin substrate 11, a cell sheet layer 12, and an ETFE transparent film layer 14, which are sequentially disposed from bottom to top. The solar cell 2 is protected by the epoxy resin substrate 11, and the ETFE transparent film layer 14 has the characteristics of high light transmittance, strong corrosion resistance and long service life, and the light transmittance of the flexible component is improved, so that the power generation efficiency of the solar component is improved. An EVA layer 10 is further arranged on the upper side of the main cloth layer 1, and the EVA layer 10 is also arranged between the oxygen resin substrate and the battery piece layer 12. A battery cloth layer 13 is further arranged between the battery sheet layer 12 and the ETFE transparent film layer 14, an EVA layer 10 is arranged between the battery cloth layer 13 and the battery sheet layer 12, and an EVA layer 10 is also arranged between the battery cloth layer 13 and the ETFE transparent film layer 14. The EVA layer 10 has a thickness of 0.2mm. ETFE refers to ethylene-tetrafluoroethylene copolymer and EVA is plastic, specifically ethylene-vinyl acetate copolymer.

The uppermost EVA layer 10 and ETFE transparent film layer 1 in this embodiment are entirely covered on the upper side of all the battery sheet layers 12. In the embodiment, the high-strength ETFE transparent film layer 14 and the epoxy resin substrate 11 are combined to protect the solar cell 2, and the solar panel is firmer, bendable by 30 degrees, difficult to scratch and damage, light in weight and convenient to carry through packaging of the lamination assembly.

The main cloth layer 1 is made of teflon mesh cloth. The laminated epoxy resin substrate 11 is laminated into a honeycomb surface by the iron fluorine Long Wangge cloth, so that a light trapping structure can be formed, the reflection of light is reduced, the utilization rate is improved, meanwhile, the appearance consistency is better, and the solar energy conversion efficiency and the weak light are higher.

The battery cloth layer 13 is made of teflon mesh cloth. The ETFE transparent film layer 14 is laminated by the iron-fluorine Long Wangge cloth, so that the surface of the solar folding bag forms a honeycomb shape, a light trapping structure can be formed, the reflection of light is reduced, the utilization rate is improved, meanwhile, the appearance consistency is better, and the defects of single appearance shape, hardness and little selectivity of the original solar component are overcome.

Referring to fig. 7, connecting wires 9 are buried in the main cloth layer 1 between adjacent solar cells 2, a plurality of solar cells 2 are connected into two groups of battery packs by the connecting wires 9, the solar cells 2 in each group of battery packs are connected in series with each other, and the two groups of battery packs are connected in parallel by bus wires. Specifically, the solar cells 2 of the first row and the four groups of solar cells 2 of the second row far away from one end of the junction box 7 are connected in series through the connecting wire 9 to form a group of battery packs, the four groups of solar cells 2 of the second row near one end of the junction box 7 and the solar cells 2 of the third row are connected in series through the connecting wire 9 to form another group of battery packs, the anodes of the two groups of battery packs are collected through the anode bus wire 15, the cathodes of the two groups of battery packs are collected through the cathode bus wire 16, and finally the anode bus wire 15 and the cathode bus wire 16 are connected to the junction box 7.

According to the utility model, through an integrated design, the ETFE transparent film layer 14 and the epoxy resin substrate 11 are laminated by adopting an unconventional process, the ETFE transparent film layer 14 and the epoxy resin substrate 11 are soft, the thickness of the epoxy resin substrate 11 can be 0.5mm, compared with the original glass type component, the battery piece is not easy to deviate after lamination, the battery piece is not fragile like the glass type component, and the component after the ETFE transparent film layer 14 and the epoxy resin substrate 11 are laminated is resistant to falling, not broken, not easy to scratch and damage, and is light in volume and convenient to carry. The built-in anti-reverse charging diode prevents reverse charging, and ensures the use safety of the product.

The device for absorbing solar energy and converting the solar energy into electric energy to supply electric energy to an electric appliance by the high-power ultrathin solar folding bag through the solar cell 2 has the following specific principle: when the sunlight is sufficient, the solar battery 2 generates current and voltage under the action of the sunlight, wires led out through the battery plate charge or supply power to electric equipment such as various different electronic products or energy storage power supply boxes by utilizing different interfaces, and the solar battery is suitable for emergency use in the field without conventional power supply. When other electronic products are charged, the solar folding bag is charged through inserting the outgoing line output interface of the solar folding bag into the charging port of the related equipment. At present, the output voltage of the high-power ultrathin solar folding bag is 18V and 36V, the existing electronic products which accord with the output voltage and current can be directly charged through the output port, the high-power ultrathin solar folding bag is convenient to carry, the effective power supply of various electronic products can be met without carrying a battery, and the high-power ultrathin solar folding bag is suitable for power utilization emergency use of solar houses, solar ships, solar caravans, solar tents, energy storage power boxes and the like. The internal combustion engine is not required to be used for electric energy conversion, so that the consumption of rare energy sources is reduced; the ETFE high-transmittance transparent protective film and the novel flexible crystalline silicon battery piece are adopted to improve the transmittance of the flexible component, so that the power generation efficiency of the solar component is improved; adopt high strength ETFE transparent film layer 14 to add epoxy base plate 11 and combine protection solar cell 2 pieces, through the encapsulation of lamination subassembly for solar panel is more firm, 30 flexible, difficult fish tail damages, convenient to carry. The technology of directly carrying out wiring sealing on the output port is adopted, so that the defect that the original junction box 7 is waterproof and easy to weather is overcome; the ETFE transparent film layer 14 is laminated by the iron and fluorine Long Wangge cloth, so that the surface of the flexible component is honeycomb-shaped, the defects of single appearance shape, hardness and little selectivity of the original smooth surface flexible component are overcome, and the flexible component is widely applied to places requiring electricity and being difficult to pull wires, such as solar houses, solar ships, solar caravans, solar tents, energy storage power boxes and the like.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a high-power ultra-thin solar folding bag, its characterized in that includes main part cloth layer and sets up a plurality of solar cell in main part cloth layer upside, and adjacent solar cell interval sets up, and buries connecting wire in the main part cloth layer between the adjacent solar cell, solar cell includes by supreme epoxy base plate, battery piece layer and the ETFE transparent membrane layer that sets gradually down.

2. The high power ultra-thin solar folded bag of claim 1, wherein the main fabric layer is a teflon mesh fabric.

3. The high-power ultrathin solar folding bag according to claim 1, wherein an EVA layer is further arranged on the upper side of the main cloth layer, and an EVA layer is also arranged between the oxygen resin substrate and the battery piece layer.

4. The high-power ultrathin solar folding bag according to claim 1, wherein a battery cloth layer is further arranged between the battery sheet layer and the ETFE transparent film layer, an EVA layer is arranged between the battery cloth layer and the battery sheet layer, and an EVA layer is also arranged between the battery cloth layer and the ETFE transparent film layer.

5. The high power ultra-thin solar folded package of claim 4, wherein the battery cloth layer is teflon mesh cloth.

6. The high-power ultrathin solar folding bag according to claim 1, wherein a straight folding hole is formed in the main cloth layer between the adjacent solar cells in the length direction of the main cloth layer, and the straight folding hole is arranged parallel to the length direction of the solar cells.

7. The high power ultra-thin solar energy folding bag of claim 6, wherein the main cloth layer is further provided with cross folding holes, and the cross folding holes are positioned at adjacent corners of four adjacent solar cells.

8. The high power ultra-thin solar energy folding bag of claim 1, wherein the four corners of the main body cloth layer are provided with fixing holes.

9. The high-power ultrathin solar folding bag according to claim 1 or 8, wherein one end of the main cloth layer is provided with a winding belt, and one side of the winding belt is provided with magic tapes arranged at intervals.

10. The high-power ultrathin solar folding bag according to claim 1, wherein the plurality of solar cells are connected into two groups of battery packs by the connecting wires, the solar cells in each group of battery packs are connected in series, the two groups of battery packs are connected in parallel by the bus wires, and a junction box for connecting the bus wires is arranged at one end of the main cloth layer.