Self-cleaning portable off-grid photovoltaic system

Abstract

The utility model discloses a self-cleaning portable off-grid photovoltaic system, which relates to the technical field of off-grid photovoltaic power generation, and comprises a photovoltaic container, the photovoltaic container comprises a box body frame and a folding photovoltaic assembly, the folding photovoltaic assembly is arranged on the side surface of the box body frame, and the folding photovoltaic assembly can be unfolded or folded on the box body frame. A spraying pipe is arranged on the folding photovoltaic module; the rainwater collecting tank is arranged at the lower end of the folding photovoltaic module, and a water outlet is formed in the bottom of the rainwater collecting tank; a water storage cavity is formed in the floating body, a water injection port and a water outlet are formed in the upper surface of the floating body, the water drainage port is connected with the water injection port through a pipeline, and the water outlet is connected with an inlet of the spraying pipe through a pipeline. The floating body stores rainwater, when the photovoltaic panel needs to be cleaned, the rainwater is used as flushing water, the water pump inputs the water in the floating body into the spraying pipe, and the folded photovoltaic module is cleaned through the nozzles on the spraying pipe, so that the solution of power generation and self-cleaning of the off-grid photovoltaic container is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of off -grid photovoltaic power generation, specifically relates to a self -cleaning off -grid photovoltaic system with rainwater collection. BACKGROUND

[0002] Off -grid power generation refers to the power generation mode that is not connected with the public power grid and independently provides power for electric equipment or load, and common off -grid power generation includes solar off -grid power generation, wind off -grid power generation and the like, and its application scenarios are very wide, mainly including the following categories: 1, residential power supply, in remote mountainous areas, islands and the like far away from the city power grid, the laying of the power grid has high cost and great difficulty, and the off -grid power generation system can provide lighting, television, refrigerator and the like for local residents. For example, in some remote pastoral areas in Tibet, Qinghai and the like of China, the solar off -grid power generation system solves the power supply problem of herdsmen; 2, infrastructure power supply, providing power support for infrastructure such as weather stations, hydrological monitoring stations and communication base stations in remote areas, to ensure that these facilities can normally operate and collect and transmit data. For example, in some unattended high mountain weather stations, solar or wind off -grid power generation systems are usually used to meet the power demand of the equipment; 3, expressway, if the power grid is used for power supply of facilities such as expressway construction and toll stations, a large number of cables need to be laid, and the cost is high. The off -grid power generation system, especially the solar power generation system, can utilize the rich solar energy resources along the expressway to provide power for these facilities, realize energy saving and emission reduction and reduce operating costs; 4, construction site, the construction site is usually in a temporary construction state, and the power demand has temporality and uncertainty. The off -grid power generation system such as the diesel generator set or the mobile solar power generation equipment can provide flexible power supply for the construction equipment, lighting and the like of the construction site, and avoids the cumbersome procedures and fees of connecting to the power grid. 5, mine exploitation, in the mine exploitation site, the off -grid power generation system can provide power for mining equipment, ventilation equipment, lighting and the like. 6, agricultural irrigation, in rural areas, the off -grid power generation system can provide power for irrigation water pumps to realize irrigation of farmland. 7, disaster relief, when natural disasters such as earthquakes, floods and typhoons occur, the power grid may be damaged, and the mobile solar power station and the like can quickly reach the disaster area to provide power support for lighting, communication, medical equipment and the like in the rescue site, and guarantee the smooth progress of the rescue work.

[0003] Solar power generation has unique advantages in off -grid application scenarios, and solar power generation needs to be convenient for transportation and construction installation when applied in off -grid application scenarios; the photovoltaic container that can be unfolded and folded has the characteristics of convenient transportation and simple operation, and is suitable for application in off -grid power generation scenarios.

[0004] In the aspect of photovoltaic container, the Chinese invention patent with the patent number 201810800170.6 discloses a folding wing type photovoltaic power generation energy storage device, which comprises a box body, a folding wing photovoltaic power generation assembly, a controller and an energy storage device. The device can be folded and stored, occupies small space, has large surface area after unfolding, greatly improves light receiving area and power generation efficiency, realizes large power storage, and has good practicability.

[0005] In addition, the Chinese invention patent with the patent number 202411657389.7 discloses a container type solar power generation device, which has a container, a folding track and a folding solar cell panel mechanism. Each photovoltaic panel unit in the folding solar cell panel mechanism comprises two cross arms, i.e. cross arm one and cross arm two, a connecting rod and a photovoltaic panel. The solar power generation device is convenient to deploy and low in cost. The device is simple and convenient to install, can be quickly and efficiently installed, and can be quickly moved after installation by reducing the volume. The angle of the photovoltaic panel can also be adjusted as needed.

[0006] In the area with little rain, the photovoltaic panel often cannot be effectively cleaned, and the surface area of the photovoltaic panel is covered with dust, which significantly reduces the power generation efficiency of the photovoltaic panel. Therefore, the cleaning of the photovoltaic panel of the photovoltaic container applied in the off-grid power generation application scenario becomes a technical problem to be solved. SUMMARY

[0007] The utility model discloses a portable off-grid photovoltaic system with self-cleaning function, which has a rainwater collecting system. Rainwater is collected on rainy days, and the photovoltaic panel is cleaned by using the rainwater when needed.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0009] A portable off-grid photovoltaic system with self-cleaning function, which comprises a photovoltaic container including a box frame and a folding photovoltaic assembly. The folding photovoltaic assembly is arranged on the side of the box frame and can be unfolded or folded on the box frame. A spraying pipe is arranged on the folding photovoltaic assembly.

[0010] A rainwater collecting groove is arranged at the lower end of the folding photovoltaic assembly. A drain port is arranged at the bottom of the rainwater collecting groove.

[0011] A floating body is internally provided with a water storage cavity. A water inlet and a water outlet are arranged on the upper surface of the floating body. The drain port and the water inlet are connected by a pipeline. The water outlet and the inlet of the spraying pipe are connected by a pipeline. A water pump is arranged between the water outlet and the spraying pipe.

[0012] By adopting the technical scheme, the photovoltaic container is deployed to the site, the folded photovoltaic assembly is fully unfolded on the box frame, and the photovoltaic power generation efficiency is maximized. When it rains, the rainwater on the folded photovoltaic assembly is collected into the rainwater collecting groove, and the rainwater is input into the floating body through the drain port and the water pipe. When dust accumulates on the photovoltaic panel, the rainwater is used as a source of flushing water, the water pump is started, the water pump inputs the water in the floating body into the spray pipe, and the folded photovoltaic assembly is cleaned through the spray head on the spray pipe, so that the off-grid photovoltaic container power generation and self-cleaning solution are realized.

[0013] Preferably, the upper surface of the floating body is provided with a rear leg, and an inclined photovoltaic assembly is arranged above the rear leg.

[0014] By adopting the technical scheme, the floating body can be used as a water storage cavity for collecting rainwater and as a carrier for the photovoltaic assembly, thereby increasing the photovoltaic power generation capacity.

[0015] Preferably, the folded photovoltaic assembly comprises a mounting bracket and a photovoltaic panel, the photovoltaic panel is mounted on the mounting bracket, and one end of the mounting bracket is rotatably connected to the box frame.

[0016] By adopting the technical scheme, the mounting bracket is used for carrying the photovoltaic panel, the mounting bracket is rotatably connected to the box frame, and the mounting bracket is used for unfolding or folding, so that the light receiving angle of the photovoltaic panel can be adjusted.

[0017] Preferably, a solar reverse control all-in-one machine is arranged in the box frame, and the folded photovoltaic assembly is circuit-connected with the solar reverse control all-in-one machine.

[0018] By adopting the technical scheme, the solar energy of the folded photovoltaic assembly is converted into electric energy, and the electric energy is stored in the energy storage battery through the solar reverse control all-in-one machine or directly supplied to the power load.

[0019] Preferably, the longitudinal section of the rainwater collecting groove is semicircular.

[0020] Compared with the related art, the self-cleaning portable off-grid photovoltaic system has the following beneficial effects:

[0021] 1. The photovoltaic container is convenient to deploy and low in cost, the folded photovoltaic assembly can be unfolded and folded, the photovoltaic container is convenient to transport to the off-grid power supply site, and the site construction amount is small.

[0022] 2. During rainy days, rainwater on the foldable photovoltaic modules is collected in a rainwater collection tank and then pumped into the floating body for storage through drain outlets and water pipes. When a large amount of dust accumulates on the photovoltaic panels, rainwater is used as a source of washing water. The water pump is turned on, and the water in the floating body is pumped into the spray pipe. The spray nozzles on the spray pipe clean the foldable photovoltaic modules, realizing a solution for off-grid photovoltaic container power generation and self-cleaning. Attached Figure Description

[0023] Figure 1 A 3D view of the photovoltaic container in its folded state;

[0024] Figure 2 A 3D view of the photovoltaic container in its unfolded state;

[0025] Figure 3 A side view of the photovoltaic container in its unfolded state;

[0026] Figure 4 A 3D view of the photovoltaic container, floating body, and photovoltaic module assembly;

[0027] Figure 5 This is a three-dimensional diagram of the floating body.

[0028] Reference numerals: 10, photovoltaic container; 101, container frame; 102, folding photovoltaic module; 1021, mounting bracket; 1022, photovoltaic panel; 20, rainwater collection trough; 30, floating body; 301, rear support leg; 302, photovoltaic module. Detailed Implementation

[0029] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art are within the protection scope of this utility model.

[0030] In the description of this utility model, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and do not require that this utility model be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. The terms "connected" and "linked" used in this utility model should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; they can refer to a direct connection or an indirect connection through intermediate components. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0031] The utility model will be explained in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. Embodiments

[0032] As Figures 1 to 5 shown, the embodiment provides a self-cleaning portable off-grid photovoltaic system, which comprises a photovoltaic container 10, a rainwater collecting groove 20 and a floating body 30, and the photovoltaic container 10 is deployed conveniently in an off-grid application scene.

[0033] Specifically, the photovoltaic container 10 comprises a box frame 101 and a folding photovoltaic assembly 102, the folding photovoltaic assembly 102 is arranged on the side of the box frame 101 and serves as a side panel of the box frame 101, and the top of the box frame 101 is also provided with the folding photovoltaic assembly 102. The folding photovoltaic assembly 102 can be unfolded or folded on the side of the box frame 101, the folding photovoltaic assembly 102 is convenient for transportation when being folded, and the folding photovoltaic assembly 102 can generate electricity efficiently when being unfolded.

[0034] The folding photovoltaic assemblies 102 on the front and rear sides of the box frame 101 are in an inclined state after being unfolded, the rainwater collecting groove 20 is arranged at the lower end of the folding photovoltaic assembly 102, and the rainwater on the folding photovoltaic assembly 102 can flow into the rainwater collecting groove 20 on a rainy day, and the bottom of the rainwater collecting groove 20 is provided with a drain port.

[0035] The floating body 30 is internally provided with a water storage cavity for storing the collected rainwater. The upper surface of the floating body 30 is provided with a water inlet and a water outlet, the drain port and the water inlet are connected through a pipeline, and the pipeline is used for conveying the rainwater in the rainwater collecting groove 20 into the floating body 30. The water outlet is connected with the inlet of a spraying pipe through a pipeline, and a water pump is arranged on the pipeline between the water outlet and the spraying pipe (not shown in the figure). When it rains, the rainwater on the folding photovoltaic assembly 102 is collected in the rainwater collecting groove 20, and the rainwater is input into the floating body 30 for storage through the drain port and the water pipe. When the dust on the photovoltaic panel 1022 accumulates too much, the rainwater is used as the source of flushing water, the water pump is turned on, the water pump inputs the water in the floating body 30 into the spraying pipe, and the folding photovoltaic assembly 102 is cleaned through the nozzles on the spraying pipe.

[0036] The above is only the preferred embodiment of the utility model, and does not limit the implementation and protection scope of the utility model. The application also has the following implementation on the basis of the above:

[0037] In the embodiment, the upper surface of the floating body 30 is provided with a rear leg 301, and the rear leg 301 is provided with an inclined photovoltaic assembly 302 above, so that the floating body 30 can serve as a water storage cavity for collecting rainwater and also serve as a carrier for the photovoltaic assembly 302, thereby increasing the photovoltaic power generation capacity.

[0038] In the embodiment, the folding photovoltaic module 102 comprises a mounting bracket 1021 and a photovoltaic panel 1022, the photovoltaic panel 1022 is mounted on the mounting bracket 1021, and one end of the mounting bracket 1021 is rotatably connected with the box frame 101. The mounting bracket 1021 is used for bearing the photovoltaic panel 1022, and the mounting bracket 1021 is rotatably connected with the box frame 101, so that the photovoltaic panel 1022 can be unfolded or folded, and the light receiving angle of the photovoltaic panel 1022 can be adjusted.

[0039] In the embodiment, a solar reverse control all-in-one machine (not shown in the figure) is arranged in the box frame 101, and the folding photovoltaic module 102 is circuit-connected with the solar reverse control all-in-one machine. The solar energy of the folding photovoltaic module 102 is converted into electric energy, and the electric energy is stored in an energy storage battery through the solar reverse control all-in-one machine or directly supplied to an electric load.

[0040] In the embodiment, the longitudinal section of the rainwater collecting groove 20 is semicircular.

[0041] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between the various embodiments can be referred to each other.

[0042] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model are within the protection scope of the utility model.

Claims

1. A self-cleaning portable off-grid photovoltaic system, characterized in that, The utility model relates to a photovoltaic container (10) comprising a box frame (101) and a folding photovoltaic assembly (102) arranged on the side of the box frame (101), the folding photovoltaic assembly (102) being deployable or foldable on the box frame (101), a sprinkling pipe being arranged on the folding photovoltaic assembly (102); a rainwater collecting groove (20) arranged at the lower end of the folding photovoltaic assembly (102), the bottom of the rainwater collecting groove (20) being provided with a drain outlet; a floating body (30) with a water storage cavity inside, the upper surface of the floating body (30) being provided with a water inlet and a water outlet, the drain outlet and the water inlet being connected by a pipeline, the water outlet being connected to the inlet of the sprinkling pipe by a pipeline, and a water pump being arranged between the water outlet and the sprinkling pipe. The upper surface of the floating body (30) is provided with a rear leg (301), and an inclined photovoltaic assembly (302) is arranged above the rear leg (301). The folding photovoltaic assembly (102) comprises a mounting bracket (1021) and a photovoltaic panel (1022), the photovoltaic panel (1022) being mounted on the mounting bracket (1021), and one end of the mounting bracket (1021) being rotatably connected to the box frame (101). A solar reverse control all-in-one machine is arranged in the box frame (101), and the folding photovoltaic assembly (102) is circuit-connected to the solar reverse control all-in-one machine.

2. The self-cleaning portable off-grid photovoltaic system of claim 1, wherein: The longitudinal section of the rainwater collecting groove (20) is semicircular.

3. The self-cleaning portable off-grid photovoltaic system of claim 1, wherein: ​ 4. The self-cleaning portable off-grid photovoltaic system of claim 1, wherein: ​ 5. The self-cleaning portable off-grid photovoltaic system of claim 1, wherein: ​

Images