CN219393406U

CN219393406U - Portable solar module

Info

Publication number: CN219393406U
Application number: CN202320259532.1U
Authority: CN
Inventors: 张民欢; 孙中伟; 于华君; 陈锋文; 朱彦君
Original assignee: Shenzhen Hello Tech Energy Co Ltd
Current assignee: Shenzhen Hello Tech Energy Co Ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-21
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to the technical field of solar equipment, and discloses a portable solar module, which comprises a power generation layer and a power generation layer, wherein the power generation layer comprises a plurality of sub-power generation units which are arranged in series and/or in parallel; the protection layer comprises a plurality of diodes, and each sub-power generation unit is connected with one diode in parallel; the support frame is used for supporting the power generation layer, the support frame is provided with a plurality of first hollowed-out parts, the sub power generation units are correspondingly accommodated in the first hollowed-out parts one by one, and the diodes are embedded in the support frame. The portable solar module provided by the utility model can still keep continuous and normal output of power when a local area is shielded, and meanwhile, the phenomenon of local overheating and spontaneous combustion can not occur; and the difficulty in mounting and fixing the diode is reduced, the production process is simplified, and the production cost is reduced.

Description

Portable solar module

Technical Field

The utility model relates to the technical field of solar equipment, in particular to a portable solar module.

Background

Along with the development of economy and technology, the portable solar panel is light, portable and easy to operate, and can meet the outdoor power consumption requirement of people, so that the portable solar panel gradually enters the field of vision of people. When the portable solar panel module is used outdoors, the use scene is usually an area with more outdoor vegetation, so that partial shadow exists on the upper surface of the solar cell or the solar cell is difficult to be shielded by foreign matters, the portable solar panel forms a hot spot effect, the product does not generate electricity, the local temperature is too high, and even the phenomenon of spontaneous combustion of the product is caused.

By arranging the bypass diode in parallel with the solar cell, the formation of a hot spot effect can be avoided, but the difficulty of mounting and fixing the diode is high, the process is complex, and the production cost is increased.

Therefore, there is a need for a portable solar module to solve the above-mentioned technical problems.

Disclosure of Invention

Based on the above, the present utility model aims to provide a portable solar module, which can still maintain continuous normal output of power when a local area is shielded, and meanwhile, the phenomena of local overheating and spontaneous combustion can not occur; and the difficulty in mounting and fixing the diode is reduced, the production process is simplified, and the production cost is reduced.

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

providing a portable solar module comprising:

a power generation layer including a plurality of sub-power generation units arranged in series and/or parallel;

a protective layer including a plurality of diodes, each of the sub-power generation units being connected in parallel with one of the diodes;

the support frame is used for supporting the power generation layer, the support frame is provided with a plurality of first hollowed-out parts, the sub power generation units are accommodated in the first hollowed-out parts in a one-to-one correspondence mode, and the diodes are embedded in the support frame.

As an optional technical scheme of the portable solar module, the support frame is further provided with a plurality of second hollowed-out portions, the second hollowed-out portions are arranged beside the first hollowed-out portions in a one-to-one correspondence mode, and the diode Guan Rong is arranged in the second hollowed-out portions.

As an optional technical scheme of the portable solar module, the support frame comprises an upper support layer, a wiring layer and a lower support layer which are stacked from top to bottom, the diode is connected with the sub-power generation unit through parallel wires, the diode and the parallel wires are packaged in the wiring layer, a plurality of yielding holes are formed in the upper support layer and/or the lower support layer, and one end, connected with the sub-power generation unit, of the parallel wires extends out through the yielding holes.

As an optional technical scheme of the portable solar module, the upper supporting layer and/or the lower supporting layer is provided with a plurality of accommodating grooves, and the diode is arranged in the accommodating grooves.

As an alternative solution of the portable solar module, the thickness of the sub-power generation unit does not exceed the thickness of the support frame; and/or

The thickness of the diode does not exceed the thickness of the support frame.

As an optional technical solution of the portable solar module, the sub-power generation unit includes a plurality of solar cells.

As an alternative solution of the portable solar module, the diode is a schottky diode.

As an optional technical solution of the portable solar module, the portable solar module further comprises a transparent protective layer, and the front surface and/or the back surface of the support frame are/is provided with the transparent protective layer.

As an optional technical scheme of the portable solar module, the transparent protective layer is of a single-layer structure and is made of transparent glass or polymer plates; or alternatively

The transparent protective layer is arranged into a multi-layer composite board structure and comprises a plurality of sub protective layers bonded through adhesive films, and the sub protective layers are made of glass or polymer plates.

As an optional technical solution of the portable solar module, the portable solar module further includes an adhesive layer, and the support frame and the transparent protective layer are adhered by the adhesive layer.

The beneficial effects of the utility model are as follows:

according to the portable solar module, on the premise that the original structure of the power generation layer is not changed, the diodes are connected in parallel beside each sub-power generation unit, so that the continuous normal output of power can still be kept when a local area of the portable solar module is shielded, and meanwhile, the phenomena of local overheating and spontaneous combustion can not occur; and through setting up braced frame, on the one hand with sub-power generation unit holding and limit in first fretwork portion to realize supporting and fixing to the power generation layer, on the other hand inlays the diode in locating braced frame, greatly reduced the installation and the fixed degree of difficulty of diode, and simplified production technology, reduction in production cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view showing an exploded structure of a portable solar module according to a first embodiment of the present utility model;

fig. 2 is a schematic diagram showing an exploded structure of a portable solar module according to a first embodiment of the present utility model;

FIG. 3 is a schematic view of a supporting frame according to a first embodiment of the present utility model;

FIG. 4 is a schematic view illustrating the installation of a power generation layer, a protection layer and a support frame according to a first embodiment of the present utility model;

FIG. 5 is a circuit diagram of a sub-power unit and a diode according to a first embodiment of the present utility model;

fig. 6 is an exploded view of a support frame according to a second embodiment of the present utility model;

fig. 7 is a schematic view of an internal structure of a support frame according to a second embodiment of the present utility model;

fig. 8 is an assembly flow chart of a portable solar module according to a third embodiment of the present utility model.

In the figure:

100. a power generation layer; 110. a sub-power generation unit; 200. a protective layer; 210. a diode; 220. a parallel wire; 300. a support frame; 301. a first hollowed-out part; 302. a second hollow part; 303. a relief hole; 304. a receiving groove; 305. a handle part; 310. an upper support layer; 320. a wiring layer; 330. a lower support layer; 400. a transparent protective layer; 500. and an adhesive layer.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Embodiment one:

the present embodiment provides a portable solar module, as shown in fig. 1 and 2, the portable solar module includes a power generation layer 100, a protection layer 200, a support frame 300, two transparent protection layers 400 and two adhesive layers 500, the support frame 300 accommodates and fixes the power generation layer 100 and the protection layer 200, the two transparent protection layers 400 are respectively stacked on the front and back sides of the support frame 300, and the support frame 300 and the transparent protection layers 400 are adhered by the adhesive layers 500.

Further, as shown in fig. 3-5, the power generation layer 100 includes a plurality of sub-power generation units 110 arranged in series and/or parallel, each sub-power generation unit 110 includes a plurality of solar cells, the protection layer 200 includes a plurality of diodes 210 and parallel wires 220, each sub-power generation unit 110 is connected with one diode 210 in parallel through the parallel wires 220, a plurality of first hollow portions 301 are provided in the support frame 300, the sub-power generation units 110 are accommodated in the first hollow portions 301 in a one-to-one correspondence manner, and the diodes 210 are embedded in the support frame 300.

Specifically, on the premise of not changing the original structure of the power generation layer 100, the diode 210 is connected in parallel beside each sub-power generation unit 110, so that the portable solar module can still keep continuous and normal output of power when a local area is shielded, and meanwhile, the phenomena of local overheating and spontaneous combustion can not occur; and through setting up braced frame 300, on the one hand with sub-power generation unit 110 holding and limit in first fretwork portion 301 to realize supporting and fixing to power generation layer 100, on the other hand inlays the diode 210 and locates braced frame 300, greatly reduced diode 210's installation and fixed degree of difficulty, and simplified manufacturing technique, reduction in production cost.

The support frame 300 is further provided with a plurality of second hollow portions 302, the second hollow portions 302 are disposed beside the first hollow portions 301 in a one-to-one correspondence, the diode 210 is accommodated in the second hollow portions 302, and the diode 210 is fixed in the second hollow portions 302 through fastening, bonding, and the like, so that the diode 210 is fixed and installed.

Illustratively, the thickness of the sub-power generating unit 110 does not exceed the thickness of the supporting frame 300, and both the front and back sides of the sub-power generating unit 110 do not exceed the supporting frame 300 in the thickness direction, so as to fully exert the protection function of the supporting frame 300 on the sub-power generating unit 110 and protect the integrity of the sub-power generating unit 110. In this embodiment, the thickness of the support frame 300 is between 2-3 mm.

Illustratively, the solar cell employs at least one of a crystalline silicon solar cell and a thin film solar cell.

For example, the sub-battery units are set to a rectangular structure, and the first hollowed-out portions 301 are also set to a rectangular frame structure correspondingly, and the support frame 300 provided in this embodiment includes twelve first hollowed-out portions 301, where the first hollowed-out portions 301 are arranged in a matrix of three rows and four columns.

The thickness of the diode 210 does not exceed the thickness of the supporting frame 300, and the front and back sides of the diode 210 do not exceed the supporting frame 300 in the thickness direction, so as to fully play the protection role of the supporting frame 300 on the diode 210, and ensure that the diode 210 can operate normally. In this embodiment, the thickness of the diode 210 does not exceed 3mm.

Illustratively, the diode 210 employs a schottky diode 210.

Illustratively, the support frame 300 is provided with handle portions 305 at opposite sides thereof, respectively, and the handle portions 305 are provided in a hole-like structure for a user to carry with his or her hands.

Illustratively, the support frame 300 is made of one or more of fiberglass board, circuit board, polycarbonate.

The transparent protective layer 400 is formed as a single layer structure, and is made of transparent glass or a polymer sheet material such as ETFE (ethylene-tetrafluoroethylene copolymer), PVDF (polyvinylidene fluoride), PET (polyethylene terephthalate), or polycarbonate.

The transparent protective layer 400 is illustratively configured as a multi-layer composite board structure, and includes a plurality of sub protective layers bonded by adhesive films, wherein the sub protective layers are made of glass or polymer plates such as ETFE (ethylene-tetrafluoroethylene copolymer), PVDF (polyvinylidene fluoride), PET (polyethylene terephthalate), polycarbonate, and the like.

Illustratively, the outer side of the transparent protective layer 400 is provided with wear-resistant textures, which on the one hand improves wear resistance and on the other hand improves aesthetic appearance.

Illustratively, the adhesive layer 500 employs one or more of EVA (ethylene-vinyl acetate copolymer) film, POE (polyolefin elastomer) film, PVB (polyvinyl butyral resin) film, and hot melt adhesive.

Embodiment two:

as shown in fig. 6 and 7, the present embodiment provides another portable solar module on the basis of implementation one, which is different from the first embodiment in that:

the support frame 300 is configured as a glass fiber board structure with embedded circuits, specifically, the support frame 300 includes an upper support layer 310, a wiring layer 320 and a lower support layer 330 stacked from top to bottom, the diode 210 and the parallel wires 220 are encapsulated in the wiring layer 320, a plurality of relief holes 303 are formed in the upper support layer 310 and/or the lower support layer 330, and one end of the parallel wires 220 connected with the sub-power generation units 110 extends out through the relief holes 303, so that the parallel wires 220 are welded with the power generation layers 100, thereby improving the convenience of production and manufacturing, and further improving the flatness of the appearance.

Illustratively, the upper support layer 310 and/or the lower support layer 330 are provided with a plurality of accommodating grooves 304, and the diode 210 is disposed in the accommodating grooves 304, so as to accommodate and fix the diode 210, facilitate installation, and reduce or avoid protrusion of the diode 210.

Embodiment III:

as shown in fig. 8, the present embodiment provides a method for producing and assembling a portable solar module, which specifically includes the following steps:

s1, tiling a transparent protective layer 400 at the bottom;

s2, placing an adhesive layer 500 on the transparent protective layer 400 in the middle;

s3, placing the support frame 300 according to a drawing;

s4, sequentially placing the sub-power generation units 110 from left to right according to the positive and negative directions;

s5, judging whether the sub-power generation unit 110 is centered relative to the first hollowed-out part 301; if not, adjusting the position of the sub-power generation unit 110 to ensure centering; if yes, mounting and placing the diode 210 on the support frame 300;

s6, welding the sub-power generation unit 110 and the diode 210 in series and parallel according to the drawing;

s7, placing another adhesive layer 500 on the supporting frame 300 in the middle;

s8, paving a transparent protective layer 400 on the top;

s9, forming a wire outlet hole on the bonding layer 500 and the transparent protective layer 400 at the top, and penetrating out the positive and negative outgoing wires;

s10, carrying out high-temperature high-pressure lamination packaging on the whole product;

s11, cutting, checking, cleaning, checking and boxing the products sequentially.

Illustratively, in step S10, the lamination process parameters are as shown in table 1 to ensure that there are no bubbles and cracking anomalies inside the portable solar module and to form a pitted texture on the outer surface of the transparent protective layer 400.

TABLE 1

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims

1. Portable solar module, characterized in that it comprises:

a power generation layer (100) comprising a plurality of sub-power generation units (110) arranged in series and/or parallel;

-a protective layer (200) comprising a plurality of diodes (210), each of said sub-power generating units (110) being connected in parallel with one of said diodes (210);

the support frame (300) is used for supporting the power generation layer (100), the support frame (300) is provided with a plurality of first hollowed-out parts (301), the sub power generation units (110) are correspondingly accommodated in the first hollowed-out parts (301) one by one, and the diode (210) is embedded in the support frame (300).

2. The portable solar module according to claim 1, wherein the support frame (300) is further provided with a plurality of second hollow portions (302), the second hollow portions (302) are disposed beside the first hollow portions (301) in a one-to-one correspondence manner, and the diode (210) is accommodated in the second hollow portions (302).

3. The portable solar module according to claim 1, wherein the support frame (300) comprises an upper support layer (310), a wiring layer (320) and a lower support layer (330) which are stacked from top to bottom, the diode (210) and the sub-power generation unit (110) are connected through a parallel wire (220), the diode (210) and the parallel wire (220) are packaged in the wiring layer (320), a plurality of yielding holes (303) are formed in the upper support layer (310) and/or the lower support layer (330), and one end of the parallel wire (220) connected with the sub-power generation unit (110) extends out through the yielding holes (303).

4. A portable solar module according to claim 3, wherein a plurality of receiving slots (304) are provided in the upper support layer (310) and/or the lower support layer (330), the diodes (210) being arranged in the receiving slots (304).

5. The portable solar module according to any of claims 1-4, wherein the thickness of the sub-power generation unit (110) does not exceed the thickness of the support frame (300); and/or

The thickness of the diode (210) does not exceed the thickness of the support frame (300).

6. The portable solar module according to any of claims 1-4, wherein the sub-power generation unit (110) comprises several solar cells.

7. The portable solar module according to any of claims 1-4, wherein the diode (210) is a schottky diode (210).

8. The portable solar module according to any of claims 1-4, further comprising a transparent protective layer (400), the transparent protective layer (400) being provided on the front and/or back of the support frame (300).

9. The portable solar module according to claim 8, wherein the transparent protective layer (400) is provided as a single layer structure, and the transparent protective layer (400) is made of transparent glass or polymer sheet material; or alternatively

The transparent protective layer (400) is arranged into a multi-layer composite board structure and comprises a plurality of sub protective layers bonded through adhesive films, and the sub protective layers are made of glass or polymer boards.

10. The portable solar module according to claim 8, further comprising an adhesive layer (500), wherein the support frame (300) and the transparent protective layer (400) are adhered by the adhesive layer (500).