A portable solar charging device

Abstract

A portable solar charging device includes an upper cover plate and a bottom plate that can be overlapped, and a folding support frame disposed between the two. The upper cover plate includes a top plate and side plates integrally fixedly connected to the four sides of the top plate. A photovoltaic module is provided on the upper surface of the top plate, and a junction box for connecting the photovoltaic module is provided on the back of the top plate. The folding support frame includes two support components. The two support components include a first hinge end fixedly connected to the inner end face of the side plate, a second hinge end fixedly connected to the upper end face of the bottom plate, and a support arm with its two ends respectively hinged to the first hinge end and the second hinge end. A damping module is provided between the support arm and the first hinge end and the second hinge end. The damping module is used to stabilize the adjustment angle of the support arm. When the upper cover plate and the bottom plate are overlapped, the folding support frame is disposed in a receiving cavity provided between the upper cover plate and the bottom plate.

Description

Technical Field

[0001] This utility model relates to the field of solar charging devices, specifically to a portable solar charging device. Background Technology

[0002] With the continuous advancement of photovoltaic technology and the increasing popularity of outdoor activities, portable solar charging devices have become widely welcomed as an ideal solution for off-grid power supply. Among them, portable solar charging panels based on a foldable design have become mainstream products in the market due to their excellent portability and certain power generation capacity.

[0003] Currently, portable solar charging panels on the market typically employ a folding structure, consisting of multiple hinged panels with photovoltaic modules mounted on them. When folded, they are compact and easy to carry, while when unfolded, they increase the area for receiving sunlight. However, their stability is relatively insufficient. The exposed hinged structure is easily damaged by external impacts, resulting in a certain degree of structural instability. Utility Model Content

[0004] To address the aforementioned problems, this invention provides a portable solar charging device:

[0005] A portable solar charging device includes an upper cover and a bottom plate that can be overlapped, and a folding support frame disposed between the two. The upper cover includes a top plate and side plates integrally fixedly connected to the four sides of the top plate. A photovoltaic module is provided on the upper surface of the top plate, and a junction box for connecting the photovoltaic module is provided on the back of the top plate.

[0006] The folding support frame includes two support components. Each support component includes a first hinge end fixedly connected to the inner end face of the side plate, a second hinge end fixedly connected to the upper end face of the base plate, and a support arm with its two ends respectively hinged to the first hinge end and the second hinge end. A damping module is provided between the support arm and the first hinge end and the second hinge end. The damping module is used to stabilize the adjustment angle of the support arm. When the upper cover plate and the base plate are closed together, the folding support frame is located in the receiving cavity provided between the upper cover plate and the base plate. When the support arm flips outward relative to the second hinge end against the damping module, the upper cover plate absorbs solar energy by facing the sun under the support of the folding support frame.

[0007] Preferably, it also includes two parallel pivots, which connect two support components. One pivot passes through the support arm and the first hinge end, and the other pivot passes through the support arm and the second hinge end. The pivots are provided with elastic teeth in the form of regular polygons, and the support arm is provided with elastic rings that elastically engage with the elastic teeth. The elastic teeth and elastic rings constitute a damping module.

[0008] Preferably, it also includes two fixing nails, each of which has an integral square nail head and nail body. The fixing nails can pass through the insertion holes provided on the base plate and be inserted into the ground. When both fixing nails are inserted into the ground through the insertion holes, the outer edges of the two square nail heads abut against each other and are limited.

[0009] Preferably, the side plate is provided with a magnetic square groove in the area between the two supporting components, and the magnetic square groove and the square nail head form a magnetic attraction. When the upper cover and the bottom plate are closed, the square nail head is magnetically installed in the magnetic square groove. When the upper cover and the bottom plate are opened relative to each other and the bottom plate needs to be fixed to the ground, the user can remove the fixing nail and insert it into the ground through the insertion hole provided in the bottom plate. At this time, since the outer edges of the two square nail heads abut against each other and limit their movement, it can play a corresponding rotational limiting role for the solar charging plate.

[0010] Preferably, the base plate has two battery assemblies with electrical connection junction boxes connected to its upper surface. Both battery assemblies are located on the outside of the support arms, which divide the receiving chamber into a first cavity, a second cavity, and a third cavity. The two battery assemblies are located in the first and third cavities, while the junction boxes, two magnetic square slots, and sockets are located in the second cavity. With the two battery assemblies positioned in the first and third cavities, there is no interference between the cavities, greatly improving the space utilization of the receiving chamber. Furthermore, the weight of the battery assemblies significantly improves overall stability, preventing the base plate from tipping over when the upper cover is tilted and exposed to corresponding light.

[0011] Preferably, the upper surface of the base plate is provided with an elastic locking member, which is formed by a plurality of circumferentially arranged elastic hooks. Each elastic hook forms an elastic slot, and the elastic slot is detachably fixedly connected to the battery assembly. The battery assembly is electrically connected to the junction box via a detachable terminal block. The battery assembly of this application is detachable, thus allowing it to be used independently as a power bank, or to charge other power banks via the terminal block.

[0012] Beneficial effects: Through the closable design of the top cover, bottom plate, and folding support frame, this invention can form a closed housing when not in use, storing all precision components such as photovoltaic modules, junction boxes, battery modules, and the folding support frame inside. This integrated box structure greatly facilitates carrying and transportation, while effectively preventing damage to the above components during movement due to bumps, scratches, or the intrusion of rainwater and dust, significantly improving the product's service life and reliability. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure in the closed state of the embodiment.

[0014] Figure 2 This is a schematic diagram of the interior when the lid is closed, as shown in the embodiment.

[0015] Figure 3 This is a schematic diagram of the cover plate.

[0016] Figure 4 This is a schematic diagram of the structure in the charging state of an embodiment.

[0017] Figure 5 This is a side view schematic diagram of the charging state in an embodiment.

[0018] Figure 6 for Figure 5 Enlarged diagram of point A in the middle.

[0019] Reference numerals: 1. Top plate; 2. Side plate; 3. Photovoltaic module; 4. Junction box; 5. First hinge end; 6. Second hinge end; 7. Support arm; 8. Pivot; 9. Elastic retaining tooth; 10. Elastic retaining ring; 11. Fixing nail; 12. Square nail head; 13. Nail body; 14. Magnetic square groove; 15. Battery module; 16. Elastic locking component; 17. Wiring terminal; 18. Base plate. Detailed Implementation

[0020] The following is in conjunction with the appendix Figure 1-6 The present invention will be further described with reference to the embodiments.

[0021] Example: Figure 1-6 As shown, a portable solar charging device includes an upper cover plate and a bottom plate 18 that can be overlapped, a folding support frame disposed between the two, two parallel pivots 8, and two fixing nails 11. The upper cover plate includes a top plate 1 and side plates 2 integrally fixedly connected to the four sides of the top plate 1. A photovoltaic module 3 is provided on the upper surface of the top plate 1, and a junction box 4 for connecting the photovoltaic module 3 is provided on the back of the top plate 1.

[0022] The folding support frame includes two support components. Each support component includes a first hinge end 5 fixedly connected to the inner end face of the side plate 2, a second hinge end 6 fixedly connected to the upper end face of the base plate 18, and a support arm 7 with its two ends respectively hinged to the first hinge end 5 and the second hinge end 6. Figure 6 As shown, a damping module is provided between the support arm 7 and the first hinge end 5 and the second hinge end 6. Two pivots 8 connect the two support components. One pivot 8 passes through the support arm 7 and the first hinge end 5, and the other pivot 8 passes through the support arm 7 and the second hinge end 6. The pivot 8 is provided with elastic teeth 9 in the form of regular polygons. The support arm 7 is provided with elastic retaining rings 10 that elastically engage with the elastic teeth 9. The elastic teeth 9 and the elastic retaining rings 10 constitute the damping module. The damping module is used to stabilize the adjustment angle of the support arm 7.

[0023] The two fixing nails 11 each include an integral square nail head 12 and nail body 13. The fixing nails 11 can pass through the insertion holes provided in the base plate 18 and be inserted into the ground. When both fixing nails 11 are inserted into the ground through the insertion holes, the outer edges of the two square nail heads 12 abut against each other and are limited in position. The side plate 2 is provided with a magnetic square groove 14 in the area between the two support components. The magnetic square groove 14 and the square nail head 12 form a magnetic attraction engagement.

[0024] The upper surface of the base plate 18 is connected to two battery assemblies 15 with electrical connection junction boxes 4. Both battery assemblies 15 are located on the outside of the support arms 7, which divide the accommodating chamber into a first chamber, a second chamber, and a third chamber. The two battery assemblies 15 are located in the first and third chambers, while the junction boxes 4, the two magnetic square slots 14, and the sockets are located in the second chamber. The placement of the two battery assemblies 15 in the first and third chambers eliminates interference between the chambers, significantly improving the space utilization of the accommodating chamber. Furthermore, the weight of the battery assemblies 15 significantly improves overall stability, preventing the base plate 18 from tipping over when the top cover is tilted and exposed to sunlight. The upper surface of the base plate 18 is provided with an elastic locking member 16, which is formed by multiple circumferentially arranged elastic hooks. These hooks form elastic slots, which are detachably fixed to the battery assemblies 15. The battery assemblies 15 are electrically connected to the junction boxes 4 via detachable terminals 17.

[0025] Operating principle: such as Figure 1-2 As shown, when the upper cover plate and the bottom plate 18 are closed together, the folding support frame is disposed in the receiving cavity provided between the upper cover plate and the bottom plate 18. Figure 4-5 As shown, when the support arm 7 flips outward relative to the second hinge end 6 against the damping module, the upper cover plate absorbs solar energy in the direction of the sun under the support of the folding support frame.

[0026] Obviously, the above embodiments of this utility model are merely illustrative examples and not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A portable solar charging device, characterized in that: It includes an upper cover plate and a bottom plate (18) that can be closed to each other, and a folding support frame disposed between the two. The upper cover plate includes a top plate (1) and side plates (2) that are integrally fixed to the four sides of the top plate (1). The upper surface of the top plate (1) is provided with photovoltaic modules (3), and the back of the top plate (1) is provided with a junction box (4) for connecting the photovoltaic modules (3). The folding support frame includes two support components. The two support components include a first hinge end (5) fixedly connected to the inner end face of the side plate (2), a second hinge end (6) fixedly connected to the upper end face of the bottom plate (18), and a support arm (7) with the first hinge end (5) and the second hinge end (6) respectively hinged at both ends. A damping module is provided between the support arm (7) and the first hinge end (5) and the second hinge end (6). The damping module is used to stabilize the adjustment angle of the support arm (7). When the upper cover plate and the bottom plate (18) are closed together, the folding support frame is set in the accommodating cavity provided between the upper cover plate and the bottom plate (18). When the support arm (7) overcomes the damping module and flips outward relative to the second hinge end (6), the upper cover plate absorbs solar energy in the direction of the sun under the support of the folding support frame.

2. The portable solar charging device according to claim 1, characterized in that: It also includes two parallel pivots (8), which connect two support components. One pivot (8) passes through the support arm (7) and the first hinge end (5), and the other pivot (8) passes through the support arm (7) and the second hinge end (6). The pivot (8) is provided with elastic teeth (9) in the form of regular polygons. The support arm (7) is provided with an elastic retaining ring (10) that elastically engages with the elastic teeth (9). The elastic teeth (9) and the elastic retaining ring (10) constitute a damping module.

3. A portable solar charging device according to claim 1, characterized in that: It also includes two fixing nails (11), each of which includes an integral square nail head (12) and nail body (13). The fixing nails (11) can pass through the insertion holes provided on the base plate (18) and be inserted into the ground. When both fixing nails (11) are inserted into the ground through the insertion holes, the outer edges of the two square nail heads (12) abut against each other and are limited.

4. A portable solar charging device according to claim 3, characterized in that: The side plate (2) is provided with a magnetic square groove (14) in the area between the two support components. The magnetic square groove (14) and the square nail head (12) form a magnetic attraction. When the upper cover plate and the bottom plate (18) are closed, the square nail head (12) is magnetically installed in the magnetic square groove (14). When the upper cover plate and the bottom plate (18) are opened relative to each other, and the bottom plate (18) needs to be fixed on the ground, the user can take out the fixing nail (11) and insert it into the ground through the insertion hole provided on the bottom plate (18).

5. A portable solar charging device according to claim 4, characterized in that: The upper surface of the base plate (18) is connected to two battery assemblies (15) with electrical connection junction boxes (4). Both battery assemblies (15) are located on the outside of the support arm (7). The two support arms (7) divide the accommodating chamber into a first chamber, a second chamber and a third chamber. The two battery assemblies (15) are located in the first chamber and the third chamber. The junction box (4), the two magnetic square slots (14) and the socket are located in the second chamber.

6. A portable solar charging device according to claim 1, characterized in that: The upper surface of the base plate (18) is provided with an elastic locking component (16), which is formed by multiple circumferentially arranged elastic hooks. Each elastic hook forms an elastic slot, and the elastic slot and the battery assembly (15) are detachably fixedly connected. The battery assembly (15) and the junction box (4) are electrically connected through detachable terminals.

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