CN210745052U

CN210745052U - Portable solar charging device

Info

Publication number: CN210745052U
Application number: CN201921573610.5U
Authority: CN
Inventors: 陈五奎; 陈嘉豪; 黄振华
Original assignee: Shenzhen Topray Solar Co Ltd
Current assignee: Shenzhen Topray Solar Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-12
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a portable solar charging device, include: the solar substrate comprises lower-layer cloth, a plurality of solar substrates fixed on the lower-layer cloth at intervals, cells arranged on the solar substrates in an array mode, upper-layer cloth fixed on the lower-layer cloth and covering a circle of preset fixed positions at the edge of the solar substrates, and transparent protective films covering the upper-layer cloth and the solar substrates. The utility model discloses an adopt the integrated design, the solar substrate is fixed to upper and lower two-layer cloth, makes the two-sided of solar substrate all fixed to make the battery piece more firm and can not squint, improve holistic durability, solar substrate interval sets up simultaneously and makes the device collapsible when not using accomodate. And the light receiving surface is provided with the light trapping structure, so that the reflection of light rays can be reduced, the utilization rate is improved, the appearance consistency is better, and the solar energy conversion efficiency and the weak light property are higher.

Description

Portable solar charging device

Technical Field

The utility model relates to a solar charging field especially relates to a portable solar charging device.

Background

Along with the rapid development of the current society, the products such as artificial intelligence, electronic information step in, for the duration that provides the electronic product, people like to charge at any time with the removal treasured that charges, but remove the precious energy that charges and be limited always, can't provide continuous electric power when going out or camping, people tend to use solar cell product supplementary electric power. The portable folding charging device of solar energy is one of them, and the portable folding charging system device of solar energy is the device that absorbs solar energy and changes solar energy into the electric energy with the electric energy of offering electrical apparatus electric energy through solar cell panel, can charge to current electron product that accords with output voltage electric current, conveniently carries, need not to carry the effective power supply that the battery can satisfy various electron products. However, the battery piece of the existing solar charging device is easy to shift, and the overall structure is not stable enough.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem among the above-mentioned prior art, provide a portable solar charging device.

The utility model adopts the technical proposal that:

the utility model provides a portable solar charging device, include: the solar substrate comprises lower-layer cloth, a plurality of solar substrates fixed on the lower-layer cloth at intervals, cells arranged on the solar substrates in an array mode, upper-layer cloth fixed on the lower-layer cloth and covering a circle of preset fixed positions at the edge of the solar substrates, and transparent protective films covering the upper-layer cloth and the solar substrates.

Furthermore, the surface of the transparent protective film is provided with a plurality of concave depressions to form a light trapping structure.

Preferably, the solar substrate is arranged along the transverse interval of the lower layer of cloth, and strip-shaped holes corresponding to each other are arranged at the interval between the lower layer of cloth and the upper layer of cloth.

Preferably, the solar substrate is adhered to the lower-layer cloth through an EVA adhesive film, the cell is adhered to the solar substrate through an EVA adhesive film, and the upper-layer cloth is adhered to the lower-layer cloth and the solar substrate through the EVA adhesive film at the fixed positions.

Preferably, a plurality of the solar substrates are connected by a conductive copper foil.

Preferably, the upper layer cloth and the lower layer cloth are made of nylon cloth.

Preferably, the transparent protective film is an ETFE film.

The utility model discloses still include the terminal box of being connected with the solar substrate electricity, charge load communication module, battery detection module and quick charge control module.

Preferably, a magnet is further arranged between the upper layer cloth and the lower layer cloth and at a position where the upper layer cloth and the lower layer cloth are folded and attached to each other.

Compared with the prior art, the utility model discloses an adopt the integrated design, the solar substrate is fixed to upper and lower two-layer cloth, makes the two-sided of solar substrate all fixed to make the battery piece more firm and can not squint, improve holistic durability, solar substrate interval sets up simultaneously and makes the device collapsible when not using accomodate. And the light receiving surface is provided with the light trapping structure, so that the reflection of light rays can be reduced, the utilization rate is improved, the appearance consistency is better, and the solar energy conversion efficiency and the weak light property are higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of a lamination in an embodiment of the present invention;

fig. 2 is a schematic plan view of a solar substrate according to an embodiment of the present invention;

fig. 3 is a schematic view of a front plane structure in an embodiment of the present invention;

fig. 4 is a schematic view of a back plane structure in an embodiment of the present invention;

fig. 5 is a schematic view of the front-folded planar structure in the embodiment of the present invention;

fig. 6 is a schematic view of a back-folded planar structure in an embodiment of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The principles and structure of the present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 6, the utility model provides a portable solar charging device, include: the solar cell comprises a lower layer cloth 1, a solar substrate 2, an upper layer cloth 4, cell pieces 3 and a transparent protective film 5, wherein three solar substrates 2 are fixed on the lower layer cloth 1 at intervals along the transverse direction, the cell pieces 3 are arranged and fixed on the front surface of the solar substrate 2 in an array manner, a circle of fixed position is reserved on the edge of the solar substrate 2, a reserved hole corresponding to the solar substrate 2 is arranged on the upper layer cloth 4, the upper layer cloth covers the lower layer cloth 1 and covers the reserved fixed position on the edge of the solar substrate 2 without shielding the cell pieces 3, the transparent protective film 5 covers the upper layer cloth 4 and the solar substrate 2 and the cell pieces 3, the upper layer cloth and the lower layer cloth fix the solar substrate, the two sides of the solar substrate are fixed, the cell pieces are more stable and cannot deviate, the whole durability is improved, meanwhile, the solar substrates are arranged at intervals, so that the device can be folded and stored when not in use.

The utility model discloses in, transparent protection film 5 is the ETFE membrane, and its surface is equipped with and folds to press into cellular surface through the indisputable fluorine dragon cloth, forms the sunken of a plurality of indents to form light trapping structure, the reflection of reducible light, the rate of utilization is improved, and the outward appearance uniformity is better simultaneously, makes solar energy conversion efficiency and weak light nature higher.

The utility model discloses in, 4 intervals of lower floor's cloth 1 and upper cloth are equipped with the bar hole 6 that corresponds each other, reduce the resistance when folding, are convenient for more fold and accomodate. Simultaneously, still be equipped with magnet between the upper and lower layer cloth, specifically be located folding laminating position, be convenient for folding back automatic absorption prevent loose.

In a specific embodiment, the solar substrate 2 is adhered to the lower layer cloth 1 through an EVA adhesive film, and the cell 3 is adhered to the solar substrate 2 through an EVA adhesive film. The fixed positions of the upper layer cloth 4, the lower layer cloth 1 and the solar substrate 2 are also pasted through an EVA (ethylene vinyl acetate) adhesive film, and the transparent protective film is also pasted through the EVA adhesive film; the EVA adhesive film is a special adhesive film for solar energy. The upper layer cloth and the lower layer cloth can be made of nylon cloth.

The utility model discloses in, solar substrate 2 passes through the conductive copper foil and connects, avoids using special wire. A circle of fixed positions is reserved along the edge of the solar substrate and provided with through holes for copper plating, and the front surface and the back surface of the solar substrate are connected.

In a specific embodiment, the charging device further comprises a junction box, a charging load communication module, a battery detection module and a quick charging control module, wherein the junction box comprises a DC interface and a USB interface, the input voltage of the junction box does not exceed 18V, and the maximum current of the junction box is 1.1A; the DC output voltage is 18V, and the maximum current is 1.1A; the two USB output voltages are both 5V, and the maximum current is 2A; can android or apple intelligent control charging current of automatic identification, discernment automatic intelligence after the outage restarts, the biggest 2.5A of USB output, maximum conversion is more than 95%. When the USB interface is plugged into the electronic equipment needing charging; the charging load communication module carries out communication and detection and identifies the charging voltage required by the electronic equipment; the battery detection module calculates the battery capacity and the detection charging coefficient; and the quick charging control module outputs adaptive voltage and current according to the charging voltage, the battery capacity and the charging coefficient of the electronic equipment.

When in use, the power of the device can be 5W, 7W, 10W, 14W, 20W, 25W, 28W, 30W, 35W, 40W, 50W and other series structures. The solar energy power generation device has the advantages that power is generated under the sun, the generated power is stabilized through the intelligent chip circuit at the junction box, when electronic equipment needing to be charged is inserted through the DC interface or the USB interface, the folding charging system directly outputs electric energy converted by the solar cell panel into an electronic product meeting the voltage, and therefore the intelligent charging effect is achieved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A portable solar charging device, comprising: the solar substrate comprises lower-layer cloth, a plurality of solar substrates fixed on the lower-layer cloth at intervals, cells arranged on the solar substrates in an array mode, upper-layer cloth fixed on the lower-layer cloth and covering a circle of preset fixed positions at the edge of the solar substrates, and transparent protective films covering the upper-layer cloth and the solar substrates.

2. The portable solar charging device of claim 1, wherein the surface of the transparent protective film is provided with a plurality of concave recesses to form a light trapping structure.

3. The portable solar charging device as claimed in claim 1, wherein the solar substrate is spaced along the lateral direction of the lower fabric, and the gap between the lower fabric and the upper fabric is provided with corresponding strip-shaped holes.

4. The portable solar charging device of claim 1, wherein the solar substrate is adhered to the lower layer of cloth by an EVA adhesive film, and the cell is adhered to the solar substrate by an EVA adhesive film.

5. The portable solar charging device of claim 1, wherein the upper layer of cloth is adhered to the lower layer of cloth and the solar substrate at the fixed positions by an EVA adhesive film.

6. The portable solar charging device of claim 1, wherein a plurality of the solar substrates are connected by a conductive copper foil.

7. The portable solar charging device of claim 1, wherein the upper and lower layers of cloth are nylon cloth.

8. The portable solar charging device of claim 1, wherein the transparent protective film is an ETFE film.

9. The portable solar charging device of claim 1, further comprising a junction box electrically connected to the solar substrate, a charging load communication module, a battery detection module, and a rapid charging control module.

10. The portable solar charging device of claim 1, wherein a magnet is further disposed between the upper and lower cloth layers at a position where the upper and lower cloth layers are folded and attached to each other.