Folding photovoltaic energy storage device for agricultural greenhouse

Abstract

The utility model relates to the technical field of photovoltaic energy storage, in particular to a folding photovoltaic energy storage device for an agricultural greenhouse. The system comprises a plurality of folding type photovoltaic modules and an energy storage cabinet, each folding type photovoltaic module is fixedly connected to the top of a mounting bottom plate, and the bottom of each mounting bottom plate is fixedly connected with a mounting stand column; the energy storage cabinet is provided with a wiring port, the wiring port is connected with the plurality of folding photovoltaic modules through a power line, and electric energy generated by the plurality of folding photovoltaic modules is transmitted into the energy storage cabinet for centralized storage. The folding type photovoltaic module is inserted into a farmland through the installation stand column, the installation is convenient and fast, and the working efficiency is improved; the transverse connecting plate and the longitudinal connecting plate improve the supporting strength of the mounting stand column; the folding type photovoltaic module can adjust the angle position of the photovoltaic panel according to needs, and solar energy is fully utilized.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic energy storage, in particular to a foldable photovoltaic energy storage device for agricultural greenhouses. Background Art

[0002] With the strengthening of the international energy crisis and environmental protection awareness, solar photovoltaic power generation has been widely promoted. Solar photovoltaic power generation often occupies a large area of ​​land due to the large area of ​​site required, which makes the land resources not fully utilized. The intensive photovoltaic power generation device of agricultural greenhouse can combine the photovoltaic energy storage device with agricultural planting, making full use of the area occupied by solar photovoltaic equipment, which can generate electricity and store energy and plant agricultural crops, increase the output per unit area, and make it possible to maximize the comprehensive benefits of photovoltaic benefits, agricultural benefits and tourism benefits. It is also conducive to the large-scale application of photovoltaic energy storage systems in agricultural projects.

[0003] In the prior art, agricultural greenhouse supports still have certain defects when in use. Although the existing supports can support the plastic greenhouse, since the greenhouse supports are built in a scattered assembly manner, the steel pipes used to build the supports have a certain degree of bending. Therefore, it is not only inconvenient to transport the steel pipes of the supports, but also cumbersome to build, wasting labor. Utility Model Content

[0004] In response to the shortcomings of the above-mentioned existing production technologies, the present application provides a foldable photovoltaic energy storage device for agricultural greenhouses, which can combine agricultural planting with photovoltaic power generation and energy storage, making it possible to maximize the comprehensive benefits of photovoltaic benefits, agricultural benefits and sightseeing benefits. The installation is convenient and quick, which improves work efficiency.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A foldable photovoltaic energy storage device for agricultural greenhouses comprises a plurality of foldable photovoltaic modules and an energy storage cabinet, wherein each of the foldable photovoltaic modules is fixedly connected to the top of a mounting base plate, and each mounting base plate is fixedly connected to a mounting column at the bottom; a wiring port is arranged on the energy storage cabinet, and the wiring port is connected to the plurality of foldable photovoltaic modules through a power line, and the electric energy generated by the plurality of foldable photovoltaic modules is transmitted to the energy storage cabinet for centralized storage; a heat insulation board is arranged in the energy storage cabinet, and the heat insulation board divides the inner cavity of the energy storage cabinet into a control cavity and an energy storage cavity from front to back; an EMS controller, an inverter module, a DC circuit breaker and an AC circuit breaker are arranged in the control cavity, the EMS controller is electrically connected to the inverter module, the inverter module is electrically connected to the DC circuit breaker and the AC circuit breaker respectively, the AC circuit breaker is connected to the city power grid, the DC circuit breaker is electrically connected to the foldable photovoltaic module, and a plurality of battery slots are arranged in the energy storage cavity, and an energy storage battery is inserted in each battery slot.

[0007] Furthermore, a sharp portion is provided at the bottom of the mounting column.

[0008] Furthermore, multiple mounting posts are arranged in a distribution form of multiple rows and columns, and multiple mounting posts in each horizontal row are commonly connected to a horizontal connecting plate, and multiple mounting posts in each vertical column are commonly connected to a longitudinal connecting plate, and the mounting posts pass through the longitudinal connecting plate and the horizontal connecting plate from top to bottom. The mounting posts are threadedly connected with upper locking nuts, middle locking nuts and lower locking nuts, the upper locking nut is located above the longitudinal connecting plate, and the middle locking nut is located below the longitudinal connecting plate. The upper locking nut and the middle locking nut cooperate to achieve locking of the longitudinal connecting plate at a height position on the mounting posts, the middle locking nut is located above the horizontal connecting plate, and the lower locking nut is located below the horizontal connecting plate. The middle locking nut and the lower locking nut cooperate to achieve locking of the horizontal connecting plate at a height position on the mounting posts.

[0009] Furthermore, a long waist-shaped longitudinal adjustment groove is set at the position where the mounting column is connected on the longitudinal connecting plate, and the mounting column can adjust the longitudinal position along the longitudinal adjustment groove. A long waist-shaped transverse adjustment groove is set at the position where the mounting column is connected on the transverse connecting plate, and the mounting column can adjust the transverse position along the transverse adjustment groove.

[0010] Furthermore, the foldable photovoltaic module includes a ball screw vertically arranged on the mounting base plate, the ball screw is connected to the screw nut seat by a thread, the upper end of the ball screw is connected to the mounting plate by a bearing seat, the lower end of the ball screw is connected to the mounting base plate by a bearing seat, the upper end of the ball screw is connected to the driving end of the driving motor by a coupling, the driving motor is fixed on the upper mounting plate, and a plurality of sliders are fixed on the mounting base plate, and the plurality of sliders are evenly distributed along the circumferential direction with the ball screw as the center, the inner end of each slider is connected to one end of the first push rod by a pin shaft, and the other end of the first push rod is hinged to the screw nut seat by a pin shaft, the outer end of each slider is connected to one end of the second push rod by a pin shaft, and the other end of the second push rod is hinged to a middle part of a photovoltaic panel by a pin shaft, and the upper part of the photovoltaic panel is hinged to the mounting plate by a pin shaft, and each slider is slidably connected to a slide rail of a T-shaped structure, and the slide rail is fixed to the slide rail base.

[0011] Furthermore, a plurality of heat dissipation windows are arranged on the left and right side walls of the energy storage cabinet, and the plurality of heat dissipation windows are connected to the energy storage cavity.

[0012] Furthermore, the front and rear end surfaces of the energy storage cabinet are respectively connected to a front cabinet door and a rear cabinet door, the front cabinet door is used to close the control cavity, and the rear cabinet door is used to close the energy storage cavity.

[0013] The beneficial effects of the utility model are as follows:

[0014] The utility model has a compact and reasonable structure. The foldable photovoltaic module is inserted into the farmland through the installation column, which is convenient and quick to install and improves work efficiency. The horizontal connecting plate and the longitudinal connecting plate improve the supporting strength of the installation column. The foldable photovoltaic module can adjust the angle position of the photovoltaic panel according to needs to make full use of solar energy. The setting of the heat insulation plate of the energy storage cabinet can prevent the heat emitted by the energy storage battery from affecting the normal operation of the control element. The heat dissipation windows are arranged on the left and right side walls of the energy storage cabinet to dissipate the heat in the energy storage cavity to the external environment to prevent the energy storage battery from overheating. The utility model combines agricultural planting with photovoltaic power generation and energy storage, making it possible to maximize the comprehensive benefits of photovoltaic benefits, agricultural benefits and sightseeing benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model.

[0016] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0017] Figure 3 This is a diagram showing the internal structure of the foldable photovoltaic module of the present utility model.

[0018] Figure 4 It is a three-dimensional diagram of the energy storage cabinet of the utility model.

[0019] Figure 5 This is a front internal structure diagram of the energy storage cabinet of the present utility model.

[0020] Figure 6 This is a diagram of the internal structure of the energy storage cabinet on the back side of the utility model.

[0021] Among them: 1. Energy storage cabinet; 2. Foldable photovoltaic module; 3. Mounting base plate; 4. Mounting column; 5. Longitudinal connecting plate; 6. Horizontal connecting plate; 7. Upper locking nut; 8. Middle locking nut; 9. Lower locking nut; 10. Longitudinal adjustment slot; 11. Horizontal adjustment slot; 12. Driving motor; 13. Upper mounting plate; 14. Ball screw; 15. Screw nut seat; 16. First push rod; 17. Sliding block; 18. Second push rod; 19. Slide rail base; 20. Photovoltaic panel; 21. Slide rail; 22. Front cabinet door; 23. Rear cabinet door; 24. Heat dissipation window; 25. Heat insulation board; 26. EMS controller; 27. Inverter module; 28. DC circuit breaker; 29. ​​AC circuit breaker; 30. Energy storage battery; 31. Sharp part. DETAILED DESCRIPTION

[0022] The specific implementation of the present utility model is described below in conjunction with the accompanying drawings.

[0023] like Figure 1As shown, the foldable photovoltaic energy storage device for agricultural greenhouses includes a plurality of foldable photovoltaic modules 2, each of which is fixedly connected to the top of a mounting base plate 3, and the mounting base plate 3 supports the foldable photovoltaic modules 2. A mounting column 4 is fixedly connected to the bottom of each mounting base plate 3, and a sharp portion 31 is provided at the bottom of the mounting column 4, which can be more conveniently inserted into the mud, so as to realize the convenient installation of the mounting column 4 in the farmland.

[0024] In order to improve the installation stability of the mounting column 4, as Figure 1 and Figure 2 As shown, multiple mounting columns 4 are arranged in a distribution form of multiple rows and columns, multiple mounting columns 4 in each horizontal row are connected to a transverse connecting plate 6, multiple mounting columns 4 in each vertical column are connected to a longitudinal connecting plate 5, the mounting columns 4 pass through the longitudinal connecting plate 5 and the transverse connecting plate 6 from top to bottom, the mounting columns 4 are connected to the upper locking nut 7, the middle locking nut 8 and the lower locking nut 9 by threads, the upper locking nut 7 is located above the longitudinal connecting plate 5, the middle locking nut 8 is located below the longitudinal connecting plate 5, and the upper locking nut 7 and the middle locking nut 8 cooperate to achieve the locking of the longitudinal connecting plate 5 at the height position on the mounting column 4. The middle locking nut 8 is located above the transverse connecting plate 6, and the lower locking nut 9 is located below the transverse connecting plate 6, and the middle locking nut 8 and the lower locking nut 9 cooperate to achieve the locking of the transverse connecting plate 6 at the height position on the mounting column 4.

[0025] like Figure 1 and Figure 2 As shown, a long waist-shaped longitudinal adjustment groove 10 is provided at the position where the longitudinal connecting plate 5 is connected to the mounting column 4, and the mounting column 4 can adjust the longitudinal position along the longitudinal adjustment groove 10. A long waist-shaped transverse adjustment groove 11 is provided at the position where the transverse connecting plate 6 is connected to the mounting column 4, and the mounting column 4 can adjust the transverse position along the transverse adjustment groove 11.

[0026] like Figure 3As shown, the foldable photovoltaic module 2 includes a ball screw 14 vertically arranged on the mounting base plate 3, the ball screw 14 is connected to the screw nut seat 15 by a thread, the upper end of the ball screw 14 is connected to the upper mounting plate 13 through a bearing seat, and the lower end of the ball screw 14 is connected to the mounting base plate 3 through a bearing seat. The upper end of the ball screw 14 is connected to the driving end of the drive motor 12 through a coupling, and the drive motor 12 is fixed on the upper mounting plate 13. A plurality of sliders 17 are fixed on the mounting base plate 3, and the plurality of sliders 17 are evenly distributed along the circumferential direction with the ball screw 14 as the center. The inner side end of each slider 17 is connected to one end of the first push rod 6 through a pin shaft, and the other end of the first push rod 6 is hinged to the screw nut seat 15 through a pin shaft. The outer side end of each slider 17 is connected to one end of the second push rod 18 through a pin shaft, and the other end of the second push rod 18 is hinged to the middle of a photovoltaic panel 20 through a pin shaft, and the upper part of the photovoltaic panel 20 is hinged to the upper mounting plate 13 through a pin shaft. Each slider 17 is slidably connected to a T-shaped slide rail 21 , and the slide rail 21 is fixed to a slide rail base 19 .

[0027] When the driving motor 12 is working, it drives the ball screw 14 to rotate forward and backward. When the ball screw 14 rotates forward and backward, it can drive the screw nut seat 15 to move up and down. The screw nut seat 15 drives the photovoltaic panel 20 to achieve a folding action through the first push rod 16, the slider 17 and the second push rod 18, and adjusts the angle position of the photovoltaic panel 20 to meet different usage requirements.

[0028] like Figure 1 As shown, the foldable photovoltaic energy storage device for agricultural greenhouses also includes an energy storage cabinet 1, on which a wiring port is arranged, and the wiring port is connected to a plurality of foldable photovoltaic modules 2 through a power line. The electric energy generated by the plurality of foldable photovoltaic modules 2 is transmitted to the energy storage cabinet 1 for centralized storage.

[0029] like Figure 5 and Figure 6 As shown, a heat insulation board 25 is arranged in the energy storage cabinet 1, and the heat insulation board 25 divides the inner cavity of the energy storage cabinet 1 into a control cavity and an energy storage cavity from front to back. An EMS controller 26, an inverter module 27, a DC circuit breaker 28 and an AC circuit breaker 29 are arranged in the control cavity. The EMS controller 26 is electrically connected to the inverter module 27. The EMS controller 26 is responsible for controlling the operation of the inverter module 27. The inverter module 27 is used to convert direct current into alternating current. The inverter module 27 is electrically connected to the DC circuit breaker 28 and the AC circuit breaker 29 respectively. The AC circuit breaker 29 is connected to the city power grid, and the DC circuit breaker 28 is electrically connected to the foldable photovoltaic module 2. A plurality of battery slots are arranged in the energy storage cavity, and an energy storage battery 30 is inserted in each battery slot. A plurality of heat dissipation windows 24 are arranged on the left and right side walls of the energy storage cabinet 1. The plurality of heat dissipation windows 24 are connected to the energy storage cavity, and the plurality of heat dissipation windows 24 can dissipate the heat in the energy storage cavity to the external environment to prevent the energy storage battery 30 from overheating.

[0030] like Figure 1 and Figure 4 As shown, the front and rear end surfaces of the energy storage cabinet 1 are respectively connected to a front cabinet door 22 and a rear cabinet door 23, the front cabinet door 22 is used to close the control cavity, and the rear cabinet door 23 is used to close the energy storage cavity.

[0031] The working principle of the utility model is: when in use, the mounting posts 4 at the bottom of the multiple foldable photovoltaic modules 2 are inserted into the field, and the multiple foldable photovoltaic modules 2 are distributed in multiple rows and columns, each row of foldable photovoltaic modules 2 is fastened and connected by a transverse connecting plate 6, and each column of foldable photovoltaic modules 2 is fastened and connected by a longitudinal connecting plate 5. According to the position of the sun, the folding position of the photovoltaic panel 20 of the foldable photovoltaic module 2 is adjusted to maximize photovoltaic power generation. The electric energy generated by the foldable photovoltaic module 2 is uniformly transmitted to the energy storage cabinet 1, stored in the energy storage battery 30, and can also be connected to the city power grid for power supply.

[0032] The above description is an explanation of the utility model, not a limitation of the utility model. The scope of the utility model is defined by the claims. Any form of modification can be made within the protection scope of the utility model.

Claims

1. A foldable photovoltaic energy storage device for an agricultural greenhouse, comprising a plurality of foldable photovoltaic modules (2) and an energy storage cabinet (1), characterized in that: Each of the foldable photovoltaic modules (2) is fixedly connected to the top of a mounting base plate (3), and the bottom of each mounting base plate (3) is respectively fixedly connected to a mounting column (4); a wiring port is provided on the energy storage cabinet (1), and the wiring port is connected to a plurality of foldable photovoltaic modules (2) via a power line, and the electric energy generated by the plurality of foldable photovoltaic modules (2) is transmitted to the energy storage cabinet (1) for centralized storage; a heat insulation board (25) is provided in the energy storage cabinet (1), and the heat insulation board (25) divides the inner cavity of the energy storage cabinet (1) into a control cavity and an energy storage cavity at the front and rear sides. An EMS controller (26), an inverter module (27), a DC circuit breaker (28) and an AC circuit breaker (29) are arranged in the control cavity; the EMS controller (26) and the inverter module (27) are electrically connected; the inverter module (27) is electrically connected to the DC circuit breaker (28) and the AC circuit breaker (29), respectively; the AC circuit breaker (29) is connected to the city power grid; the DC circuit breaker (28) is electrically connected to the foldable photovoltaic module (2); a plurality of battery slots are arranged in the energy storage cavity; and an energy storage battery (30) is inserted into each battery slot.

2. The foldable photovoltaic energy storage device for agricultural greenhouses according to claim 1, characterized in that: A sharp portion (31) is provided at the bottom of the mounting column (4).

3. The foldable photovoltaic energy storage device for agricultural greenhouses according to claim 2, characterized in that: The plurality of mounting columns (4) are arranged in a distribution form of multiple rows and columns, the plurality of mounting columns (4) in each horizontal row are connected to a horizontal connecting plate (6), the plurality of mounting columns (4) in each vertical column are connected to a vertical connecting plate (5), the mounting columns (4) pass through the vertical connecting plate (5) and the horizontal connecting plate (6) from top to bottom, the mounting columns (4) are connected to an upper locking nut (7), an intermediate locking nut (8) and a lower locking nut (9) by threading, the upper locking nut (7) is located on the vertical connecting plate (5), the middle locking nut (8) is located below the longitudinal connecting plate (5), the upper locking nut (7) and the middle locking nut (8) cooperate to achieve locking of the longitudinal connecting plate (5) at a height position on the mounting column (4), the middle locking nut (8) is located above the transverse connecting plate (6), the lower locking nut (9) is located below the transverse connecting plate (6), and the middle locking nut (8) and the lower locking nut (9) cooperate to achieve locking of the transverse connecting plate (6) at a height position on the mounting column (4).

4. The foldable photovoltaic energy storage device for agricultural greenhouses according to claim 3, characterized in that: A long waist-shaped longitudinal adjustment groove (10) is provided at a position on the longitudinal connecting plate (5) connected to the mounting column (4), and the mounting column (4) can adjust its longitudinal position along the longitudinal adjustment groove (10); a long waist-shaped transverse adjustment groove (11) is provided at a position on the transverse connecting plate (6) connected to the mounting column (4), and the mounting column (4) can adjust its transverse position along the transverse adjustment groove (11).

5. The foldable photovoltaic energy storage device for agricultural greenhouses according to claim 4, characterized in that: The foldable photovoltaic module (2) comprises a ball screw (14) vertically arranged on a mounting base plate (3), the ball screw (14) being connected to a screw nut seat (15) via a thread, the upper end of the ball screw (14) being connected to the upper mounting plate (13) via a bearing seat, the lower end of the ball screw (14) being connected to the mounting base plate (3) via a bearing seat, the upper end of the ball screw (14) being connected to the driving end of a driving motor (12) via a coupling, the driving motor (12) being fixed to the upper mounting plate (13), and a plurality of sliders (17) being fixed to the mounting base plate (3), the plurality of sliders (17) being connected to the ball screw (14). 4) is evenly distributed along the circumferential direction as the center, the inner end of each slider (17) is connected to one end of the first push rod (16) through a pin shaft, and the other end of the first push rod (16) is hinged to the screw nut seat (15) through a pin shaft, and the outer end of each slider (17) is connected to one end of the second push rod (18) through a pin shaft, and the other end of the second push rod (18) is hinged to the middle part of a photovoltaic panel (20) through a pin shaft, and the upper part of the photovoltaic panel (20) is hinged to the upper mounting plate (13) through a pin shaft, and each slider (17) is slidably connected to a slide rail (21) of a T-shaped structure, and the slide rail (21) is fixed to the slide rail base (19).

6. The foldable photovoltaic energy storage device for agricultural greenhouses according to claim 5, characterized in that: A plurality of heat dissipation windows (24) are arranged on the left and right side walls of the energy storage cabinet (1), and the plurality of heat dissipation windows (24) are in communication with the energy storage cavity.

7. The foldable photovoltaic energy storage device for agricultural greenhouses according to claim 6, characterized in that: The front and rear end surfaces of the energy storage cabinet (1) are respectively connected to a front cabinet door (22) and a rear cabinet door (23); the front cabinet door (22) is used to close the control cavity, and the rear cabinet door (23) is used to close the energy storage cavity.

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