Multi-fold folding bag

Abstract

The utility model relates to a multi-fold folding bag. The multi-fold folding bag consists of three parts, namely a main body layer, a photovoltaic panel and a junction box, the main body layer serves as a bearing structure, the photovoltaic panels are distributed on one face of the main body layer and are separated through the folding pieces embedded in the main body layer, and meanwhile the wires connected with the photovoltaic panels are fixed to the folding pieces, so that effective transmission of electric energy is guaranteed. And the other side of the folding bag is provided with a fastener for fixing the rolled main body layer, and is provided with a handle part for facilitating carrying. The photovoltaic panels are distributed on the main body layer in a form of at least two rows and two columns, and when the folding bag is used, the photovoltaic panels can be unfolded in the vertical direction firstly and then unfolded in the horizontal direction to absorb solar energy. During folding, operation is performed in the opposite direction, and the folding sheet guides the folding process and protects the wire. The outer side of the main body layer is provided with a protruding area, and a junction box is arranged in the protruding area. The design has the advantages of being compact in structure, portable and easy to use, is suitable for outdoor use, and can effectively utilize solar energy to supply power.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of charging equipment, especially a multi-fold folding bag. BACKGROUND

[0002] In outdoor activities, portable and sustainable energy supply is crucial. Traditional portable power supply is often bulky, heavy, and needs to be charged regularly or replace the battery, which brings inconvenience to users. In order to solve this problem, various portable devices using solar energy for charging have appeared on the market, among which multi-fold folding bags as an innovative solar power supply device are gradually favored by users.

[0003] However, the existing multi-fold folding bag still has some deficiencies in design. For example, the photovoltaic panels of some folding bags are not reasonably distributed, resulting in low solar energy absorption efficiency; at the same time, the folding and unfolding process of the folding bag is often not smooth enough, which can easily damage the internal wires; in addition, the position design of the junction box also causes trouble to the user's connection and use. SUMMARY

[0004] In view of the above situation, it is necessary to provide a multi-fold folding bag to solve at least one of the above problems, comprising a main body layer, photovoltaic panels and a junction box, the photovoltaic panels are distributed on one side of the main body layer, and the main body layer between the photovoltaic panels is embedded with folding pieces, the folding pieces are fixed with wires for connecting the photovoltaic panels; the other side of the main body layer is provided with a buckle; the main body layer is also provided with a handle part; the photovoltaic panels are distributed with at least two rows and more than two columns; the outer side of the main body layer is provided with a protruding area, the junction box is arranged in the protruding area of the main body layer, and the buckle is located on the same side, the junction box is connected with the wire.

[0005] Preferably, the main body layer is made of ETFE, EVA and cloth pressed in sequence.

[0006] Preferably, the folding piece is made of elastic material, and its shape and size match the gap between the photovoltaic panels.

[0007] Preferably, the folding piece is hollow.

[0008] Preferably, the junction box is provided with a waterproof and dustproof cover outside, and a sealing strip is arranged between the waterproof and dustproof cover and the junction box. BRIEF DESCRIPTION OF DRAWINGS

[0009] 1, main body layer; 2, photovoltaic panel; 3, junction box; 31, waterproof and dustproof cover; 32, sealing strip; 4, folding piece; 5, buckle; 6, handle part.

[0010] Fig. 1is a structure schematic view of the multi-fold folding bag when unfolded.

[0011] Fig. 2 is a structure schematic view of the multi-fold folding bag when folded.

[0012] Fig. 3 is a structure schematic view of the junction box. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the following will be further described in detail by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0014] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two; The orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0015] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium; It can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0016] Please see Figs. 1-3The utility model discloses a multi -folding folding bag, including main body layer 1, photovoltaic board 2 and terminal box 3, photovoltaic board 2 distribution is set up in one side of main body layer 1, and the main body layer 1 of photovoltaic board 2 between is buried and is equipped with folding piece 4, the wire for connecting photovoltaic board 2 is fixed on folding piece 4, another side of main body layer 1 is provided with buckle piece 5, main body layer 1 still is provided with handle part 6, photovoltaic board 2 is distributed and is provided with two rows and two columns above, the outside of main body layer 1 is equipped with a convex area, terminal box 3 sets up in the convex area of main body layer 1, and buckle is located same side, and terminal box 3 with wire electric wire connection.

[0017] In the above embodiment, the multi -folding folding bag is mainly composed of main body layer 1, photovoltaic board 2 and terminal box 3 three parts. Main body layer 1 is used as the bearing structure, and one side is distributed with photovoltaic board 2, for absorbing solar energy and converting into electric energy. Between photovoltaic board 2, main body layer 1 is buried and is equipped with folding piece 4, these folding pieces 4 not only play the role of separating photovoltaic board 2, still fixed with the wire of connecting photovoltaic board 2, ensure the effective transmission of electric energy.

[0018] Another side of main body layer 1 is provided with buckle piece 5, for fixing main body layer 1 after folding bag is rolled up, prevent its slack. In addition, main body layer 1 is also equipped with handle part 6, handle part 6 is a bandage in this embodiment, and both ends are fixed on main body layer 1, convenient for user to grasp and carry after folding is completed.

[0019] The distribution of photovoltaic board 2 on main body layer 1 is at least two rows and two columns above, can be designed into more rows more folding forms according to actual demand. Under the same power, the more the number of rows and single row folds are designed, the smaller the area after folding is, so as to be more convenient to store, carry and transport, especially in the outdoor use process, this portability is particularly important.

[0020] When using, user can first unfold folding bag along Y direction, make photovoltaic board 2 unfold in vertical direction, then sequentially unfold towards X direction, make photovoltaic board 2 spread in horizontal direction, to maximize the absorption of solar energy. When folding, then, multiple rows of photovoltaic board 2 are folded into single row along X direction, and then the single row is rolled up towards Y direction, to form compact folding bag.

[0021] Folding piece 4 plays a key role in the process of rolling up main body layer 1, it can guide main body layer 1 to fold along the edge track of folding piece 4, and the middle force is small, to ensure that the wire is not oppressed or damaged in the folding process. After folding, main body layer 1 is fixed by buckle piece 5 to keep the stability and compactness of folding bag.

[0022] The protruding area is provided outside the main body layer 1, and the junction box 3 is arranged on the protruding area. The design can ensure that the protruding area is always located at the outermost side when the folding bag is rolled to form a folded package, and further ensure that the junction box 3 is also located at the outermost side of the folded package, thereby facilitating the user to connect the electrical appliance for power supply. The junction box 3 is provided with an electrical connection port, and the user can connect the folded package and the electrical appliance through the electrical connection port to realize the output and utilization of electric energy.

[0023] Please refer to Figs. 1-3 In another embodiment, the main body layer 1 is pressed from ETFE, EVA and cloth in sequence.

[0024] In the above embodiment, the main body layer 1 is pressed from ETFE, EVA and cloth in sequence. ETFE is light and has high transparency, which is beneficial for the photovoltaic panel 2 to receive sunlight. EVA has good elasticity and buffering performance, which protects the internal photovoltaic panel 2 from external force impact. The cloth layer enhances the overall wear resistance and durability. The composite material structure not only ensures the lightness of the folding bag, but also improves the waterproof and tear resistance of the folding bag, making the folding bag more practical and durable.

[0025] Please refer to Figs. 1-3 In another embodiment, the folding sheet 4 is made of elastic material, and the shape and size of the folding sheet 4 match the gap between the photovoltaic panels 2.

[0026] In the above embodiment, the folding sheet 4 is made of elastic material and has excellent flexibility and recovery. The shape and size of the folding sheet 4 match the gap between the photovoltaic panels 2, which ensures that the folding sheet 4 can tightly fit the edges of the photovoltaic panels 2 during folding, guiding the main body layer 1 to fold in order along the gap between the photovoltaic panels 2. This design not only ensures the smoothness and accuracy of folding, but also effectively avoids the compression of the photovoltaic panels 2 and the wires during folding, protecting the integrity of the photovoltaic panels 2 and the wires and ensuring the stable transmission of electric energy. At the same time, the folding sheet 4 made of elastic material can maintain good performance during long-term use, prolonging the service life of the folding bag.

[0027] Please refer to Figs. 1-3 In another embodiment, the folding sheet 4 is hollow.

[0028] In the above embodiment, the overall weight can be reduced.

[0029] Please refer to Figs. 1-3 In another embodiment, the junction box 3 is provided with a waterproof and dustproof cover 31, and a sealing strip 32 is arranged between the waterproof and dustproof cover 31 and the junction box 3.

[0030] In the above embodiment, the waterproof and dustproof cover 31 is arranged outside the terminal box 3, and a sealing strip 32 is embedded between the waterproof and dustproof cover 31 and the terminal box 3. The sealing strip 32 is made of high-elasticity material and can tightly adhere to the joint surface of the waterproof and dustproof cover 31 and the terminal box 3 to form an effective waterproof and dustproof barrier. When the waterproof and dustproof cover 31 is closed, the sealing strip 32 is compressed, thereby preventing external pollutants such as water and dust from entering the inside of the terminal box 3, and ensuring the dryness and cleanness of the electronic components inside the terminal box 3.

[0031] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed in the above preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A multi-folded folding bag, characterized by, The utility model provides a photovoltaic panel, including main body layer, photovoltaic panel and junction box, the photovoltaic panel distributes and is arranged in the one side of main body layer, and the main body layer is buried with the folding piece between the photovoltaic panel, the folding piece is fixed with the wire for connecting the photovoltaic panel, the other side of main body layer is provided with buckle spare, main body layer still is provided with handle part, the photovoltaic panel is distributed at least with two rows and two columns or more, the outside of main body layer is equipped with a convex area, and the junction box is arranged in the convex area of main body layer, and buckle is located same side, and the junction box is connected with wire electricity.

2. The multi-folded package of claim 1, wherein: The main body layer is made of ETFE, EVA and cloth in turn.

3. The multi-folded package of claim 1, wherein: The folding piece is made of elastic material, and its shape and size match the gap between the photovoltaic panels.

4. The multi-folded package of claim 1, wherein: The folding piece is hollow.

5. The multi-folded package of claim 1, wherein: The junction box is provided with a waterproof and dustproof cover outside, and a sealing strip is arranged between the waterproof and dustproof cover and the junction box.

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