A portable outdoor emergency foldable solar photovoltaic conversion and energy storage device

Abstract

The present invention patent discloses a portable outdoor emergency foldable solar photovoltaic conversion and energy storage device, including a tripod support frame, a cavity, an output panel, an inverter, an energy storage battery pack, a telescopic rod, a solar photovoltaic conversion component, a wingspan bracket and an automatic tracking system; the tripod support frame is arranged at the bottom of the cavity, the output panel is arranged on the cavity shell for connecting to an external circuit, the inverter is arranged inside the cavity to adjust the output voltage, the energy storage battery pack is placed in the cavity for storing electric energy, the telescopic rod is arranged in the cavity inner shell for adjusting the longitudinal height, the wingspan bracket is arranged on the telescopic rod for spreading the solar photovoltaic conversion component, and the automatic tracking system is arranged at the top of the telescopic rod for automatically tracking sunlight. The present invention patent benefits from its simple structural design, easy to carry, practical and convenient, can realize rapid power generation and storage outdoors, and is used for power supply and lighting equipment.

Description

Technical Field

[0001] The invention patent relates to the field of solar energy utilization, and in particular to a portable outdoor emergency foldable solar photovoltaic conversion and energy storage device. Background Art

[0002] As a clean, renewable, and widely used new energy source, solar energy has a broad application market and prospects. In recent years, regional power outages caused by natural disasters have seriously affected rescue operations and the lives of people in disaster areas. It is crucial to develop emergency power generation and storage equipment to ensure smooth rescue and reconstruction in disaster areas. At the same time, with the rapid development of the economic level, people have higher and higher requirements for the pursuit of quality of life. Outdoor activities such as hiking, traveling, and camping are becoming more and more popular among young people. However, outdoor activities are restricted by sparsely populated areas such as mountainous areas, wilderness, and vast deserts. It is very difficult and inconvenient to use electricity for heating, lighting, and life. Although there are many outdoor emergency power generation equipment on the market, they are generally large and bulky, and use mechanical operation to generate electricity, as described in patents CN201921900410.6 and CN201820010236.7. Regarding solar power generation devices, there are also problems such as being non-foldable or having a large size and volume when folded, and limited portability, as described in patents CN201810411423.0 and CN201611046035.4. Summary of the invention

[0003] In response to the above defects, the patent of the present invention solves the problems of existing outdoor solar power generation devices, such as large folding volume, immobility, low power generation efficiency and low cost performance, through a portable outdoor emergency foldable solar photovoltaic conversion and energy storage device. It can realize rapid placement of power generation and storage, automatic tracking and efficient use of sunlight, and solve the problem of no electricity available in mountainous areas, wilderness, vast deserts and disaster areas.

[0004] To achieve the above object, the technical solution of the present invention is:

[0005] A portable outdoor emergency foldable solar photovoltaic conversion and energy storage device, characterized in that it includes: a tripod support frame, a cavity, an output panel, an inverter, an energy storage battery pack, a telescopic rod, a solar photovoltaic conversion component, a wingspan bracket and an automatic tracking system; the tripod support frame is arranged at the bottom end of the cavity, and is composed of three telescopic bracket legs, and a limited position card hole is further arranged on the tripod, so that the tripod support frame can meet the needs of different ground surfaces and application scenarios; the output panel is arranged on the outer shell of the cavity, and the output panel is connected to an external circuit for power supply; the inverter is arranged inside the bottom end of the cavity, and is connected to the output panel circuit to adjust the output voltage mode; the energy storage battery pack is arranged in the cavity, and is composed of multiple cylindrical batteries connected in series and parallel, and the output end of the energy storage battery pack is connected to the inverter in a circuit to adjust the conversion of DC / AC; the telescopic rod is arranged in the inner core of the cavity, and the space of the solar photovoltaic conversion component, the wingspan bracket and the automatic tracking system is adjusted by the movement of the telescopic rod. The height of the space between the wingspan bracket and the telescopic rod is provided with a groove for accommodating the wingspan bracket, and a complete cylindrical shape structure is formed after the accommodating is completed; the solar photovoltaic conversion component is arranged on the wingspan bracket, and the photovoltaic conversion power generation is performed by the arranged solar film battery, and the solar film battery is provided with N locking card holes for assembly or disassembly with the wingspan bracket, so as to realize flexible assembly and separate storage and preservation of the solar film battery; the wingspan bracket is arranged on the telescopic rod, stretched out into a circular shape, and N locking pins and movable hooks are arranged on the wingspan bracket, and the rotation of the locking pin drives the forward or reverse extension of the movable hook to realize the tightening and loosening of the solar film battery, and when the wingspan bracket is manually stored in the groove on the telescopic rod, it is integrated into an integrated structure; the automatic tracking system is arranged at the top of the telescopic rod, and the wingspan bracket is adjusted in real time by the horizontal and longitudinal rotation axes arranged in the automatic tracking system, and the solar photovoltaic conversion component is driven to adjust to face the sun at the optimal angle of attack.

[0006] Furthermore, the tripod support frame is arranged at the bottom of the cavity, and the tripod support frame is composed of multiple sections of retractable support legs, and a limiting hole card is arranged on the first section of the support leg. By stretching the second section of the support leg, different lengths of contact with the ground can be achieved, thereby solving the problem of uneven ground.

[0007] Furthermore, the control panel is arranged on the outer shell at the bottom end of the cavity, and is externally connected to various electrical devices through cables, and the output panel is internally connected to the inverter.

[0008] Furthermore, the inverter is arranged inside the bottom of the cavity, connected to the output panel externally to adjust the output voltage mode, and connected to the output end of the energy storage battery pack internally to adjust the conversion of DC / AC.

[0009] Furthermore, the cavity adopts a cylindrical structure design with a diameter ranging from 50-120mm, and includes a cavity hollow outer shell and a cavity inner shell. The cavity hollow outer shell is a double-layer hollow structure design, provided with reinforcing ribs, and the material is plastic or stainless steel or lightweight aluminum or lightweight alloy, and the outer shell is provided with a strap buckle, and the cavity inner shell adopts a single-layer design, and the material is stainless steel or lightweight aluminum or lightweight alloy.

[0010] Furthermore, the energy storage battery pack is connected in series and parallel by 18650 or 21700 or 27100 or 26650 or 32650 cylindrical batteries to form energy storage systems of different energy storage scales. The output and input ends of the energy storage battery pack are respectively connected to the inverter and the solar thin-film battery. The energy storage battery is a retired power battery or energy storage battery.

[0011] Furthermore, the solar photovoltaic conversion component includes a solar film cell, a circuit connection terminal and a locking card hole. The solar film cell is a silicon-based solar cell or a dye-sensitized solar cell or an organic polymer solar cell or a compound semiconductor solar cell or a copper indium selenide compound solar cell. The locking card hole is arranged on the solar film cell and is fixed by hooking with the hook on the wingspan bracket. The circuit connection terminal is arranged on the solar film cell for series connection. The power generation output of the solar film cell is connected to the input end of the energy storage battery group to store the electricity converted from photoelectricity in the energy storage battery assembly.

[0012] Furthermore, the wingspan bracket is arranged on the telescopic rod, and the wingspan bracket is composed of a movable limit groove, a bracket, a locking pin and a movable hook. The bracket can be retracted or expanded by manual operation, and a groove is provided on the telescopic rod to accommodate the bracket, integrating the wingspan bracket into one. The bracket is provided with a locking pin and a movable hook, and the movable hook is connected to the locking card hole on the solar film battery. The movable hook can be retracted or extended in the forward or reverse direction by twisting the locking pin to fix the solar film battery.

[0013] Furthermore, the automatic tracking system is arranged at the top of the telescopic rod, and includes a sunlight sensor, a horizontal rotation axis, a longitudinal rotation axis and an automatic control system. The automatic control system drives the horizontal and longitudinal rotation axes to drive the wingspan bracket to rotate horizontally or longitudinally, so that the solar photovoltaic conversion component faces the sun at the optimal angle of attack.

[0014] The implementation of the patent of this invention can effectively solve technical problems such as outdoor travel, emergency power generation and storage in disaster areas, and effectively overcome the problems of existing emergency power generation and solar power generation devices being bulky, inconvenient to carry and transfer. By manually stretching the triangular fixing frame and the telescopic rod, the installation and power generation of the solar photovoltaic conversion and energy storage device can be quickly realized, and the automatic tracking system can be used to maximize solar power generation and increase power generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Schematic diagram of the overall structure of the patent for this invention

[0016] Figure 2 Schematic diagram of the cavity and energy storage battery pack structure of the patent of this invention

[0017] Figure 3 Schematic diagram of the telescopic rod and wingspan bracket structure of the patent of this invention

[0018] Figure 4 Schematic diagram of the solar cell module structure of the present invention patent

[0019] Figure 5 This is a schematic diagram of the structure of the automatic tracking system of the present invention.

[0020] In the figure: a tripod support frame (1); an output panel (2); an energy storage battery pack (4); a cavity (5); a cavity hollow shell (501); a cavity inner shell (502); a reinforcing rib (503); a telescopic rod (6); a bracket groove (601); a solar photovoltaic conversion assembly (7); a solar thin-film battery (701); a locking hole (702); a circuit connection end (703); a wing support (8); a locking pin (801); a movable hook (802); an automatic tracking system (9); a solar light sensor (901); a horizontal rotation axis (902); a longitudinal rotation axis (903); DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the implementation cases of the patent of the present invention to clearly and completely describe the technical solutions in the implementation of the present invention. Obviously, the implementation cases described are only part of the patent of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Implementation Case 1

[0023] Reference Figures 1 to 5The present embodiment involves a tripod support frame (1), an output panel (2), an energy storage battery pack (4), a cavity (5), a telescopic rod (6), a solar photovoltaic conversion assembly (7), a wingspan bracket (8), and an automatic tracking system (9): the tripod support frame (1) is specifically arranged and installed at the bottom end of the cavity (5), and ground leveling and fixation are achieved through three telescopic bracket feet (101), the length of the bracket feet is adjusted according to the slope position, and the bracket feet are fixed through limit clamp holes; the output panel (2) is arranged on the outside of the bottom of the cavity (5), and various electrical equipment are connected through external power cables to realize power supply; the energy storage battery pack (4) is arranged inside the cavity (5), and energy storage modules of different sizes are realized through series-parallel connection; the telescopic rod (6) is arranged inside the cavity (5), and is manually stretched The telescopic rod (6) is extended and retracted, and the wing span bracket (8) is arranged at the top of the telescopic rod (6); the wing span bracket (8) includes a plurality of brackets, and in the working state, the brackets are unfolded to hang the solar photovoltaic conversion assembly (7), and the solar energy is converted into electrical energy through the solar photovoltaic conversion assembly (7) and stored in the energy storage battery group (4); the automatic tracking system (9) is arranged at the top of the telescopic rod (6), and the tracking signal of the sunlight by the sunlight sensor (901) in the automatic tracking system (9) is fed back to the automatic tracking system, and then the spatial position of the wing span bracket (8) and the solar photovoltaic conversion assembly (7) is adjusted by the operation of the horizontal rotation axis (902) and the longitudinal rotation axis (903) to achieve the best angle of attack with the sunlight.

[0024] Reference Figure 2 As shown, the cavity (5) is composed of a cavity hollow outer shell (501), a cavity inner shell (502) and reinforcing ribs (503). The cavity outer shell adopts a hollow structure design and is equipped with reinforcing ribs (503) to strengthen the strength of the double-layer outer shell, while also reducing the overall weight of the cavity to the greatest extent, making it easy to carry and transfer; the cavity inner shell (502) adopts a single-layer structure design, and the telescopic rod (6) is buried in the cavity inner shell (502) when in a retracted state; refer to Figure 2As shown, the energy storage battery pack (4) is placed between the cavity hollow shell (501) and the cavity inner shell (502), the batteries (401) are evenly distributed around the cavity inner shell (502) in a staggered manner, the outer edge of the battery (401) is provided with a plastic ring (402) for fixing and limiting, and the pores formed between the staggered batteries (401) can achieve enhanced heat dissipation, ensuring that the temperature of the battery (401) is within a safe operating range. In the energy storage battery pack (4), the batteries (401) on the same layer are connected in parallel, and the batteries (401) in the longitudinal axis direction are connected in series, and a layer of insulating paper is provided between the layers to isolate them, thereby achieving different energy storage scales; the battery (401) is a retired 18650, 21700 or 32650 power battery.

[0025] Reference Figure 3 The positional relationship between the telescopic rod (6) and the wing span bracket (8) is shown in the structural diagram. The telescopic rod (6) is provided with a groove (601) for accommodating the wing span bracket (8). When in use, the bracket is manually pulled to expand into a circular distribution. The wing span bracket (8) is provided with a locking pin (801) and a movable hook (802). By rotating the locking pin (801), the movable hook (802) can freely extend and retract. The end of the movable hook (802) is connected to the locking card hole (702) in the solar film battery (701), so as to achieve the tightening and loosening of the solar film battery (701). When in use, the solar film battery (701) is spread on the wing span bracket (8) to generate solar power. After the work is completed, the solar film battery (701) can be disassembled and stored.

[0026] Reference Figure 4 The solar photovoltaic conversion assembly (7) comprises a solar film cell (701), a locking hole (702) and a circuit connection end (703); the solar film cell (701) is fanned out in a fan-shaped structure and is a silicon-based solar cell or a dye-sensitized solar cell or an organic polymer solar cell or a compound semiconductor solar cell or a copper indium selenide compound solar cell; a locking hole (702) for connecting with a movable hook (802) provided on a wing span bracket (8) is provided on the solar film cell (701), and the locking hole (702) is evenly distributed on both sides of the solar film cell (701); a gap is left between the assembled solar film cell (701) and the wing span bracket (8) to facilitate reducing wind resistance in windy weather; in addition, circuit connection ends (703) are respectively provided at the bottom ends of the solar film cells (701), and two solar film cells (701) are connected in series through external circuits to increase power generation.

[0027] Reference Figure 5 The automatic tracking system (9) comprises a solar light sensor (901), a horizontal rotation axis (902) and a longitudinal rotation axis (903). The solar light sensor (901) is arranged at the top, and tracks and senses the direction of sunlight in real time, and converts the signals into electrical signals through an internal processing system and transmits them to the control system. In the first step, the control system controls the servo motor of the horizontal rotation axis (902) according to the electrical signals fed back by the solar light sensor (901), and drives the entire wingspan bracket (8) to rotate 360 ​​degrees horizontally until the solar light sensor (901) faces the direction of sunlight. In the second step, the control system The system controls the servo motor of the longitudinal rotating shaft (903) according to the electrical signal fed back by the solar light sensor (901), drives the entire wingspan bracket (8) to operate at an angle of 30-150 degrees in the longitudinal direction, and adjusts the solar photovoltaic conversion component (7) to face the sunlight. Through the automatic tracking system (9), the invention patented portable outdoor emergency foldable solar photovoltaic conversion and energy storage device can be conveniently placed, which can automatically track and adjust without being restricted by the spatial angle and the sun's position, and always faces the sunlight at the best angle of attack to obtain the most efficient photovoltaic conversion, thereby achieving the maximum power generation.

[0028] The above is only one of the preferred embodiments of the patent of the present invention and is not intended to limit the patent of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the patent of the present invention shall be included in the protection scope of the patent of the present invention.

Claims

1. A portable outdoor emergency foldable solar photovoltaic conversion and energy storage device, characterized in that: The invention comprises: a tripod support frame, a cavity, an output panel, an inverter, an energy storage battery pack, a telescopic rod, a solar photovoltaic conversion component, a wingspan bracket and an automatic tracking system; the tripod support frame is arranged at the bottom end of the cavity, and is composed of three telescopic bracket legs, and further a limited position card hole is arranged on the bracket, so that the tripod support frame can meet the requirements of different ground surfaces and application scenarios; the output panel is arranged on the outer shell of the cavity, and the output panel is connected to an external circuit for power supply; the inverter is arranged inside the bottom end of the cavity, and is connected to the output panel circuit for adjusting the output voltage mode; the energy storage battery pack is arranged in the cavity, and is composed of a plurality of cylindrical batteries connected in series and parallel, and the output end of the energy storage battery pack is connected to the inverter in a circuit to adjust the conversion of DC / AC; the telescopic rod is arranged in the inner core of the cavity, and the spatial height of the solar photovoltaic conversion component, the wingspan bracket and the automatic tracking system is adjusted by the movement of the telescopic rod, and the telescopic rod is provided with A groove for accommodating the wingspan bracket forms a complete cylindrical structure after the accommodating is completed; the solar photovoltaic conversion component is arranged on the wingspan bracket, and the photovoltaic conversion and power generation are carried out by the arranged solar film battery, and the solar film battery is provided with N locking card holes for assembly or disassembly with the wingspan bracket, so as to realize flexible assembly and separate storage and preservation of the solar film battery; the wingspan bracket is arranged on the telescopic rod, stretched out into a circular shape, and N locking pins and movable hooks are arranged on the wingspan bracket, and the rotation of the locking pin drives the forward or reverse extension of the movable hook to achieve the tightening and loosening of the solar film battery, and when the wingspan bracket is manually stored in the groove on the telescopic rod, it is integrated into an integrated structure; the automatic tracking system is arranged at the top of the telescopic rod, and the wingspan bracket is adjusted in real time by the horizontal and longitudinal rotation axes arranged in the automatic tracking system, and the solar photovoltaic conversion component is driven to adjust to face the sun at the optimal angle of attack.

2. A portable outdoor emergency foldable solar photovoltaic conversion and energy storage device according to claim 1, characterized in that: The tripod support frame is composed of multiple sections of support legs, and limited clamping holes are arranged on the support legs. By stretching the second section of the support legs, different lengths of the support legs can be touched to the ground, thereby solving the problem of uneven ground.

3. A portable outdoor emergency foldable solar photovoltaic conversion and energy storage device according to claim 1, characterized in that: The cavity adopts a cylindrical structure design with a diameter ranging from 50-120mm, and includes a cavity outer shell and a cavity inner shell. The cavity outer shell is a double-layer hollow structure design, and the material is plastic or stainless steel or light aluminum or light alloy, and the outer shell is provided with a strap buckle. The cavity inner shell adopts a single-layer design, and the material is stainless steel or light aluminum or light alloy.

4. A portable outdoor emergency foldable solar photovoltaic conversion and energy storage device according to claim 1, characterized in that: The energy storage battery pack is connected in series and parallel by 18650 or 21700 or 27100 or 26650 or 32650 cylindrical batteries to form energy storage systems of different energy storage scales. The output end and input end of the energy storage battery pack are respectively connected to the inverter and the solar thin-film battery. The energy storage battery is a retired power battery or energy storage battery or power battery.

5. The portable outdoor emergency foldable solar photovoltaic conversion and energy storage device according to claim 1, characterized in that: The solar photovoltaic conversion component includes a solar film cell, a circuit connection terminal and a locking card hole. The solar film cell is a silicon-based solar cell or a dye-sensitized solar cell or an organic polymer solar cell or a compound semiconductor solar cell or a copper indium selenide compound solar cell. The locking card hole is arranged on the solar film cell and is fixed with the wingspan bracket by hanging buckle. The circuit connection terminal is arranged on the solar film cell for series connection.

6. A portable outdoor emergency foldable solar photovoltaic conversion and energy storage device according to claim 1, characterized in that: The wingspan bracket is arranged on the telescopic rod, and the wingspan bracket is composed of a movable limit groove, a bracket, a locking pin and a movable hook. The bracket can be retracted or expanded by manually operating the movable limit groove, and a groove is provided on the telescopic rod for accommodating the bracket. The bracket is provided with a locking pin and a movable hook. The movable hook can be retracted or extended in the forward or reverse direction by twisting the locking pin to fix the solar film battery.

7. A portable outdoor emergency foldable solar photovoltaic conversion and energy storage device according to claim 1 or 6, characterized in that: The automatic tracking system is arranged at the top of the telescopic rod, and includes a sunlight sensor, a horizontal rotation axis, a longitudinal rotation axis and an automatic control system. The automatic control system drives the horizontal and longitudinal rotation axes to drive the wingspan bracket, so that the solar photovoltaic conversion component faces the sun at the best angle of attack.

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