Solar energy storage device

Abstract

Solar energy storage device, characterized in that it comprises a housing (10), an accumulator (30), and a solar charging component (60); wherein the housing (10) has a housing cavity (61); the accumulator (30) is arranged in the housing cavity (61), and the solar charging component (60) is electrically connected to the accumulator (30); a surface of the housing (10) is provided with at least one output terminal (62); wherein the solar charging component (60) serves to charge the accumulator (30), and the accumulator (30) serves to charge external devices via the at least one output terminal (62).

Description

Technical field

[0001] The present application relates to the technical field of energy storage devices, in particular a solar energy storage device. State of the art

[0002] In diverse scenarios of daily life, outdoor activities, office work / studying, and emergency preparedness, the need for a continuous power supply for electronic devices is becoming increasingly urgent. Energy storage devices are characterized by their portable design, which allows electrical energy to be stored in built-in batteries and then supplied via output ports to provide stable power to external devices such as mobile phones, tablets, or small electronic appliances. They thus overcome the limitations of a fixed power source and meet users' immediate energy needs anytime, anywhere, significantly improving usability and adaptability to different application scenarios.

[0003] In current technology, energy storage devices rely exclusively on charging via external power circuits. Their operating time is entirely limited by the capacity of the built-in battery. Once the energy is depleted and no external power supply is available for recharging, they lose their power output function. This significantly restricts their suitability for deployment scenarios without access to a public power grid, such as outdoor adventures, work in remote areas, or emergency rescue operations. Content of the present application

[0004] The purpose of the present application is to provide a solar energy storage device with the aim of solving the problem of insufficient practicality of portable power sources in the prior art.

[0005] The present application is implemented as follows: The solar energy storage device comprises a housing, an accumulator, and a solar charging component; wherein the housing has a housing cavity; the accumulator is arranged in the housing cavity, and the solar charging component is electrically connected to the accumulator; a surface of the housing is provided with at least one output terminal; wherein the solar charging component serves to charge the accumulator, and the accumulator serves to charge external devices via the at least one output terminal.

[0006] Optionally, the solar charging component includes a first solar module permanently attached to an outer surface of the housing.

[0007] Optionally, the solar charging component includes a foldable solar module structure.

[0008] Optionally, the foldable solar module structure includes a first solar module attached to an outer surface of the housing, as well as several foldable second solar modules, the multiple second solar modules being electrically connected to the battery.

[0009] Optionally, the foldable solar module structure also includes several support plates. Each of these support plates has mounting surfaces, and the multiple secondary solar modules are individually installed on these mounting surfaces. Each adjacent pair of support plates is flexibly connected to each other via a first flexible connecting strip, allowing the multiple support plates to be folded overlapping for storage or unfolded for use.

[0010] Optionally, the foldable solar module structure and the housing are flexibly connected to each other via a second flexible connecting band to allow the foldable solar module structure to be folded and unfolded relative to the housing.

[0011] Optionally, a circuit board is installed inside the housing cavity. This circuit board integrates a charge management chip, current conversion connectors, and an overcharge protection module. The first solar module and the second solar modules are each electrically connected to the circuit board, and the circuit board is electrically connected to the battery. The housing surface features a charging port and an on / off button, both of which are electrically connected to the circuit board.

[0012] Optionally, the surface of the housing can be fitted with a connecting part or a handle.

[0013] Optionally, the foldable solar module structure is electrically connected to the housing via a solar charging cable, and the solar module structure comprises several foldable sub-units.

[0014] Optionally, the housing is equipped with a lighting component that is electrically connected to the battery.

[0015] In comparison to the state of the art, the solar energy storage device provided by the present application achieves highly efficient use of clean energy and a convenient power supply by means of the solar charging component, which converts solar energy into electrical energy to charge the battery and then supplies external devices with power via the output connection, through the integration of a battery and solar charging component in the housing, to charge solar energy and then supply external devices with power. Brief description of the drawings Fig. Figure 1 is a schematic representation of the structure of a solar energy storage device according to the present application. Fig. Figure 2 is a schematic representation of the structure of the solar energy storage device according to the present application. Fig. Figure 3 is a schematic sectional view of the solar energy storage device according to the present application. Fig. Figure 4 is a schematic rear view of the solar energy storage device according to the present application. Fig. Figure 5 is a schematic representation of the structure of the solar energy storage device according to the present application. Fig. Figure 6 is a schematic representation of the structure of the solar energy storage device according to the present application. Fig. Figure 7 is a schematic representation of the structure of the solar energy storage device according to the present application. Fig. Figure 8 is a schematic representation of the structure of a foldable solar module structure S according to the present application. Detailed description of the embodiments

[0016] To clarify the purpose, technical solution, and advantages of the present application, it is described in further detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein serve only to explain the present application and not to limit it.

[0017] The implementation of the present application is described in detail below with reference to specific embodiments.

[0018] In the drawings of the embodiments, identical or similar reference numerals correspond to identical or similar components. In the description of the present application, terms such as "top," "bottom," "left," "right," etc., indicating orientation or positional relationship, are to be understood as being based on the orientation or positional relationship shown in the drawings and serving only to facilitate the description of the present application and to simplify its description, rather than indicating or implying that the device or element in question must have a particular orientation, be constructed in a particular orientation, or be operated in a particular orientation. Therefore, the terms used in the drawings to describe positional relationships serve only as examples and cannot be understood as limiting the present application.For the expert in this field, the specific meaning of the above-mentioned terms can be understood depending on the specific situation.

[0019] With reference to Fig. Figures 1 to 8 are the preferred embodiments provided by the present application.

[0020] A solar energy storage device provided by the present application comprises a housing 10, an accumulator 30, and a solar charging component 60. The housing 10 has a housing cavity 61, the accumulator 30 is arranged in the housing cavity 61, the solar charging component 60 is electrically connected to the accumulator 30, and a surface of the housing 10 is provided with at least one output terminal 62; the solar charging component 60 serves to charge the accumulator 30, and the accumulator 30 serves to charge external devices via the output terminal 62.

[0021] The provided solar energy storage device integrates the accumulator 30 and the solar charging component 60 via the housing 10. It uses the solar charging component 60 to convert solar energy into electrical energy and charge the accumulator 30, then supplies power to external devices via the output terminal 62. This enables the efficient use of clean energy and a convenient power supply to meet users' energy needs when no external power source is available.

[0022] Specifically, solar energy storage devices fall into two categories: portable, handheld devices and those designed for outdoor use. The handheld version, or solar power bank, features a lightweight design, a high-energy-density battery, a surface-mounted photovoltaic panel, and common ports such as Type-C and USB-A, making it easy to carry. It can provide emergency charging for small digital devices like mobile phones and Bluetooth headphones while commuting or on short trips. The outdoor version, on the other hand, uses a robust, weatherproof housing, a high-capacity battery, and removable, foldable photovoltaic panels. It offers various output options, including AC, DC, and cigarette lighter sockets, and is built to withstand harsh outdoor environments. It can simultaneously power devices such as tent lights, small coolers, and outdoor projectors.They provide power, thus enabling a long-lasting electricity supply in scenarios without a public power grid. Both types utilize the efficient conversion and storage of solar energy and adapt to different energy needs without an external power source.

[0023] Specifically, the solar charging component 60 comprises a first solar module (solar panel) 20 permanently attached to an outer surface of the housing 10. This allows energy to be automatically recharged during everyday use or short periods of inactivity, thus meeting the users' need for independent charging anytime and anywhere and increasing the practicality of the product.

[0024] The solar charging component 60 comprises a foldable solar module structure 70 connected to the housing 10. This expands the charging component and increases the charging efficiency.

[0025] In the embodiments, the foldable solar module structure 70 comprises a first solar module 20 attached to the outer surface of the housing 10 and several foldable second solar modules (solar panels) 21, wherein the multiple second solar modules 21 are all electrically connected to the accumulator 30. Thus, in strong sunlight outdoors, it can be unfolded for rapid charging and folded for storage during transport, combining high energy recharging efficiency with portability and adapting to scenarios such as extended outdoor activities or emergency rescue.

[0026] The foldable solar module structure 70 further comprises several support plates 24. Mounting surfaces are arranged on each of the support plates 24, and the multiple second solar modules 21 are each individually installed on the mounting surfaces of the support plates 24. Each adjacent pair of support plates 24 is flexibly connected to each other via a first flexible connecting band 22, so that the support plates 24 can be folded overlapping for storage or unfolded for use. Thus, the support plates 24 provide a stable mounting base for the second solar modules 21, and the first flexible connecting band 22 enables flexible folding and unfolding, ensures a flat light output when unfolded, and prevents damage to the module bodies.

[0027] Specifically, the foldable solar module structure 70 is flexibly connected to the housing 10 via a second flexible connecting band 23; this allows the foldable solar module structure 70 to be folded and unfolded relative to the housing 10. The flexible connection reduces storage difficulties, enables smooth folding and unfolding, and does not impair the connection stability between the housing 10 and the foldable solar module structure 70. This further optimizes handling during storage, allows for flexible adjustment of the angle of incidence when unfolded, and requires no additional space when carried, thus adapting to a wide range of usage scenarios.

[0028] In the embodiments, the housing 10 comprises a first housing 100 and a second housing 200, wherein the first housing 100 and the second housing 200 enclose the housing cavity 61. This effectively protects the internal core components such as the accumulator 30, the circuit board 40, etc., and reduces the risk of damage, while simultaneously increasing the solar conversion efficiency and extending the product lifespan.

[0029] The first solar module 20 is arranged on the top side of the first housing 100.

[0030] A circuit board 40 is arranged in the housing cavity 61, on which a charge management chip, current conversion connections, an overcharge protection module, etc., are integrated. The first solar module 20 and the second solar modules 21 are each electrically connected to the circuit board 40, and the circuit board 40 is electrically connected to the battery 30. This enables adjustment of the electrical energy, intelligent control and safety precautions, avoids problems such as overcharging, overcurrent, malfunctions, etc., ensures the stability of the circuit, makes the charging and discharging process safe and efficient, adapts to the power supply requirements of different devices, reduces the risk of use and increases product reliability as well as the user's sense of security.

[0031] In preferred embodiments, the surface of the housing 10 has a connecting part 11 or a handle part 110.

[0032] The connecting piece 11 allows for hanging, carrying, and storing the solar energy storage device. The structure of connecting piece 11 is simple and stable, does not affect the overall dimensions of the product, and enables hanging storage and carrying, allowing the user to attach it to a backpack, tent, etc., thus saving space. In outdoor scenarios, this facilitates positioning for optimal light exposure and increases flexibility of use.

[0033] The connecting part 11 can be either a hanging loop or a continuous handle, depending on the product size and intended use. In the case of the solar energy storage device, which functions as a small power bank, a hanging loop is used for connecting part 11.

[0034] The solar energy storage device, which serves as a large mobile outdoor power source, is equipped with a handle (110 mm) for convenient transport of the mobile power source.

[0035] In the embodiments, with reference to Fig. 6 and Fig. 7. The foldable solar module structure 70 is electrically connected to the housing 10 via a solar charging cable 80, and the solar module structure 70 comprises several foldable sub-units 71. The folding design allows for flexible adjustment of the light-receiving area; when used outdoors, it is fully unfolded to increase power generation efficiency, while its volume is significantly reduced for storage. The sub-units are flexibly connected to one another, combining structural stability with a flat surface when unfolded. The ends of the solar charging cable 80 are equipped with connectors, enabling quick connection and disconnection as well as reliable power transmission, effectively adapting to complex outdoor environments and thus increasing the device's practicality and durability.

[0036] Specifically, a flexible cover plate 90, which can be opened or closed, is attached to the foldable solar module structure 70. A connecting cable 91 is arranged in the cover plate 90 and is stored within it. The connecting cable 91 serves to connect to the solar charging cable 80.

[0037] The surface of the housing 10 is equipped with a charging port and an on / off button 12. The charging port and the on / off button 12 are each electrically connected to the circuit board 40. The charging port expands the possibilities for recharging energy, while the on / off button 12 enables precise control of starting and stopping charging and discharging processes. Both are connected to the circuit board 40 and are sensitive to user input. The single-button operation is simple and intuitive, lowers the barrier to entry, and adapts to various energy recharging scenarios.

[0038] A lighting component 50 is attached to the housing 10 and is electrically connected to the accumulator 30. The lighting component 50 serves for illumination, as an emergency warning light, or for status indication. It adapts to nighttime lighting and emergency signals, expands the product functions, and increases practicality and safety in outdoor and emergency scenarios.

[0039] The description above merely presents the preferred embodiments of the present application and is not intended to limit it. All modifications, equivalent replacements, improvements, etc., made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

[1] Solar energy storage device, characterized by that it comprises a housing (10), an accumulator (30), and a solar charging component (60); wherein the housing (10) has a housing cavity (61); the accumulator (30) is arranged in the housing cavity (61), and the solar charging component (60) is electrically connected to the accumulator (30); a surface of the housing (10) is provided with at least one output terminal (62); wherein the solar charging component (60) serves to charge the accumulator (30), and the accumulator (30) serves to charge external devices via the at least one output terminal (62). [2] Solar energy storage device according to claim 1, wherein the solar charging component (60) comprises a first solar module (20) fixedly attached to an outer surface of the housing (10). [3] Solar energy storage device according to claim 1, wherein the solar charging component (60) comprises a foldable solar module structure (70). [4] Solar energy storage device according to claim 3, wherein the foldable solar module structure (70) comprises a first solar module (20) attached to an outer surface of the housing (10) and several foldable second solar modules (21); wherein the several second solar modules (21) are electrically connected to the accumulator (30). [5] Solar energy storage device according to claim 4, wherein the foldable solar module structure (70) further comprises several support plates (24); a mounting surface is arranged on each of the several support plates (24), wherein the several second solar modules (21) are each mounted on the mounting surfaces of the several support plates (24); two adjacent support plates (24) are each flexibly connected to each other via a first flexible connecting band (22), so that the several support plates (24) can be folded together overlapping for storage or unfolded for use. [6] Solar energy storage device according to claim 4, wherein the foldable solar module structure (70) and the housing (10) are flexibly connected to each other via a second flexible connecting band (23) to allow the foldable solar module structure (70) to be folded and unfolded relative to the housing (10). [7] Solar energy storage device according to claim 4, wherein a printed circuit board (40) is arranged in the housing cavity (61); a charge management chip, current conversion terminals and an overcharge protection module are integrated on the printed circuit board (40), wherein the surface of the housing (10) is provided with a charging terminal and an on / off button (12), and wherein the charging terminal and the on / off button (12) are each electrically connected to the printed circuit board (40). [8] Solar energy storage device according to claim 1, wherein the housing (10) has a connecting part (11) or a handle part (110). [9] Solar energy storage device according to claim 3, wherein the foldable solar module structure (70) is electrically connected to the housing (10) via a solar charging cable (80), and the solar module structure (70) comprises several foldable sub-units (71). [10] Solar energy storage device according to one of claims 1 to 9, wherein the housing (10) is provided with a lighting component (50) and the lighting component (50) is electrically connected to the accumulator (30).

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