A modular energy storage cabinet for photovoltaic power generation

Abstract

The invention relates to the technical field of energy storage in electric cabinets, and discloses a modular energy storage electric cabinet for photovoltaic power generation, comprising a cabinet assembly, a purification assembly, a switching battery, a wind power assembly, a support assembly and a photovoltaic panel. The cabinet assembly comprises an energy storage electric cabinet, a cabinet door is rotatably connected to the energy storage electric cabinet, a plurality of storage slots are provided in the energy storage electric cabinet, energy storage batteries are movably connected in the storage slots, a purification assembly is embedded in the energy storage electric cabinet, the purification assembly is used for filtering and purifying wind input into the energy storage electric cabinet, the purification assembly comprises a purification box embedded in the energy storage electric cabinet, a plurality of filter cartridges are installed in the purification box, the purification box can perform storage and distribute to various power units in the energy storage electric cabinet, by installing a photovoltaic panel on the top of the energy storage electric cabinet, the photovoltaic panel can be operated by a driving motor to realize the adjustment of the angle of the photovoltaic panel, so that the effect of adjustment can be performed according to the position of the sunlight in different time periods, thereby improving energy utilization.

Description

Technical Field

[0001] The present invention relates to the technical field of energy storage of electric cabinets, and in particular to a modular energy storage electric cabinet for photovoltaic power generation. Background Art

[0002] Modular energy storage cabinets are devices used to store and manage electrical energy, usually in renewable energy systems or for grid load regulation. Its design uses a modular structure to divide energy storage units (such as batteries, controllers, etc.) into multiple independent modules for easy expansion, maintenance and management. Modular energy storage cabinets are widely used in home, commercial and industrial energy storage, emergency power supply and other scenarios.

[0003] Photovoltaic power generation is a renewable energy source currently used by most modular energy storage cabinets. It converts sunlight into electrical energy through the photovoltaic effect. It uses solar cells (usually made of silicon materials) to convert the light energy in sunlight into direct current, and then converts the direct current into alternating current for storage through an inverter.

[0004] According to the Chinese invention patent number: CN118399571A, a proposed energy storage cabinet combined with photovoltaic auxiliary power includes: photovoltaic panels, energy storage cabinet housing, UPS, photovoltaic controller and air conditioner; the photovoltaic panel is fixedly installed on the top of the energy storage cabinet housing, and the UPS and photovoltaic controller are installed inside the energy storage cabinet housing; the photovoltaic panel is connected to the photovoltaic controller, and the UPS includes a battery pack and an inverter. The photovoltaic panel is connected to the battery pack of UPS5 through the photovoltaic controller to store electrical energy in the battery pack; an air conditioner is also arranged in the energy storage cabinet housing, and the battery pack converts the stored direct current into alternating current by connecting to the inverter to supply energy for the air conditioner. The present invention reduces losses and increases efficiency, and improves energy efficiency ratio: the photovoltaic system adds a way for the energy storage cabinet to obtain power, and converts solar energy into electrical energy through photovoltaic panels and stores it in the UPS battery, which reduces the consumption of the mains power supply, improves energy utilization, and also improves the energy efficiency ratio of the energy storage system cabinet, achieving the purpose of reducing losses and increasing efficiency.

[0005] According to the above technology, although the method of converting sunlight into electrical energy through photovoltaics can improve energy utilization and energy efficiency, it is unable to continuously replenish energy on cloudy days or at night, resulting in low energy utilization and low energy efficiency. Summary of the invention

[0006] 1. Technical issues to be resolved

[0007] In view of the shortcomings of the prior art, the present invention provides a modular energy storage cabinet for photovoltaic power generation, which has the advantages of being able to continuously replenish energy on rainy days and at night, significantly improving energy utilization and energy efficiency, etc., and solves the problem that the above-mentioned technology cannot rely solely on photovoltaics on cloudy days or at night, and has low energy utilization and energy efficiency.

[0008] (II) Technical solution

[0009] To achieve the above objectives, the present invention provides the following technical solutions: a modular energy storage cabinet for photovoltaic power generation, comprising a cabinet assembly, a purification assembly, a switching battery, a wind power assembly, a support assembly and a photovoltaic panel.

[0010] The cabinet assembly includes an energy storage cabinet, which is rotatably connected to a cabinet door. A plurality of storage slots are provided in the energy storage cabinet, and energy storage batteries are movably connected in the storage slots. A charging unit is installed in the energy storage cabinet for docking with the energy storage batteries for charging. When the energy storage batteries are inserted into the storage slots, they can dock with the charging unit to realize the function of charging the energy storage batteries.

[0011] A purification component is embedded in the energy storage cabinet, which is used to filter and purify the wind input into the energy storage cabinet. The purification component includes a purification box embedded in the energy storage cabinet, in which a number of filter cartridges are installed. The purification box is provided with a plurality of mounting heads, and one end of the filter cartridge is threadedly connected to the mounting head to fix the filter cartridge in the purification box. The filter cartridge can be replaced or cleaned according to the filtering efficiency at a later stage. The incoming wind is filtered through the filter cartridge, and then the filtered wind is blown into the energy storage cabinet, thereby achieving the effect of heat dissipation and cooling of the transfer battery and the energy storage battery.

[0012] A transfer battery is fixed at the bottom of the purification box. The transfer battery is used to store the electric energy converted by the wind power components and photovoltaic panels, and distribute it to various power units in the energy storage cabinet.

[0013] The energy storage cabinet is equipped with wind power components for wind power generation and photovoltaic panels for photovoltaic power generation.

[0014] The energy storage cabinet is also equipped with support components for supporting and adjusting the angle of the photovoltaic panels.

[0015] As a further improvement of the above solution, a screw is provided on the purification box, and one end of the screw is threadedly connected in the energy storage cabinet.

[0016] Through the above technical solution, screws are installed at both ends of the front and rear surfaces of the purification box, and one end of the screw is threadedly connected to the inner wall of the top of the energy storage cabinet to fix the purification box in the energy storage cabinet.

[0017] As a further improvement of the above scheme, a dredging interface is opened on the side of the purification box, and the dredging interface runs through the purification box. A dredging guard plate is fixed on the side of the purification box, and the dredging guard plate covers the side of the dredging interface. An exhaust interface is opened at the bottom of the dredging guard plate, and the exhaust interface is interconnected with the dredging interface and the energy storage cabinet.

[0018] Through the above technical solution, the wind filtered by the filter cartridge is input into the space covered by the dredging guard plate from the dredging interface in the purification box, and is input into the energy storage cabinet from the exhaust interface, which has the effect of dissipating heat and cooling the internal transfer battery and energy storage battery.

[0019] As a further improvement of the above solution, a transfer interface is provided at the bottom of the transfer battery, and a line is connected between the transfer interface and the energy storage battery.

[0020] Through the above technical solution, the adapter interface is used for connecting the line, and the electricity stored in the adapter battery is transmitted to the energy storage battery through the connected line.

[0021] As a further improvement of the above scheme, the wind power component includes an installation panel installed on the energy storage cabinet, the installation panel is covered on the upper surface of the purification box, a number of generator fans are installed on the installation panel, a dust filter is provided on the upper cover of the generator fan, and the side movable sleeve of the generator fan is mounted in the filter cylinder.

[0022] Through the above technical solution, the edge of the installation panel and the interface on the top of the purification box are closed and installed to achieve the sealing effect on the inside of the purification box. When closed and installed, the power generation fan is installed in the corresponding filter cartridge.

[0023] A dust filter is installed on the interface of the power generation fan to prevent debris from entering the interface and causing damage to the fan.

[0024] As a further improvement of the above solution, a line is connected between the power generation fan and the transfer battery, and a line recess is opened on the filter cartridge.

[0025] Through the above technical solution, when the wind turbine is in operation, the electric energy is stored in the transfer battery through the connected line, and the connected line is clamped in the line recess to fix the line.

[0026] As a further improvement of the above scheme, the support assembly includes a mounting base arranged on the energy storage cabinet, a support rod is fixed on the mounting base, a bracket rod is fixed on the support rod, a connecting hole is opened on the bracket rod, and a connecting button is arranged on the side of the photovoltaic panel, which is rotatably connected in the connecting hole.

[0027] Through the above technical solution, mounting bases are provided at the four corners of the energy storage cabinet. The mounting bases are spliced ​​with the bracket rods through the support rods and fixed by screws or welding. When the photovoltaic panel swings, the connecting button rotates in the connecting hole to improve the stability of the photovoltaic panel swinging.

[0028] As a further improvement of the above scheme, a transmission gear is rotatably connected in the connecting hole, a notch is provided in the transmission gear, a protrusion is provided on the side of the connecting button, the connecting button is movably connected in the connecting hole, and the protrusion is inserted in the notch.

[0029] Through the above technical solution, under the force of the protrusion inserted into the recess, when the transmission gear rotates, it can drive the connecting button to rotate, so as to adjust the inclination angle of the photovoltaic panel.

[0030] As a further improvement of the above solution, a driving box is installed at the bottom of the bracket rod, and a driving gear is rotatably connected inside the driving box, and the driving gear is meshed with the transmission gear.

[0031] Through the above technical solution, when the driving gear rotates, the transmission gear rotates in the opposite direction under the meshing force, so that the transmission gear drives the connecting button to rotate.

[0032] As a further improvement of the above solution, a driving motor is fixed to the side of the driving box, the output end of the driving motor passes through the driving box, and the output end is fixed on the axis of the driving gear.

[0033] Through the above technical solution, the output end of the driving motor has the function of bidirectional rotation, and the output end rotates alternately to achieve angle adjustment of the photovoltaic panel.

[0034] Compared with the prior art, the present invention provides a modular energy storage cabinet for photovoltaic power generation, which has the following beneficial effects:

[0035] 1. The modular energy storage cabinet for photovoltaic power generation has photovoltaic panels installed on the top of the energy storage cabinet. The photovoltaic panels can be operated by a driving motor to adjust the angle of the photovoltaic panels, so that the angle can be adjusted according to the position of the sunlight in different time periods, thereby improving energy utilization.

[0036] 2. The modular energy storage cabinet for photovoltaic power generation is equipped with a wind power component while installing photovoltaic panels on the energy storage cabinet. The tilt angle of the photovoltaic panels is used to guide natural wind to blow into the wind power component, so that the power generation fan can operate, thereby improving the utilization rate of energy consumption and the energy efficiency ratio.

[0037] 3. The modular energy storage cabinet for photovoltaic power generation generates electricity through the operation of wind power components, collects wind in the purification box, filters the wind through the internal filter cylinder, and then inputs the filtered wind into the energy storage cabinet, so as to realize the use of renewable energy to replenish energy while dissipating heat and cooling the battery, effectively reducing the heat dissipation energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the overall structure of the device of the present invention;

[0039] Figure 2 This is a schematic diagram of the local structure of the top assembly connection of the energy storage cabinet of the present invention;

[0040] Figure 3 For the present invention Figure 2 Schematic diagram of the structure at A in the middle;

[0041] Figure 4 It is a schematic diagram of the transmission structure of the transmission gear and the driving gear of the present invention;

[0042] Figure 5 This is a schematic diagram of the top structure of the purification component of the present invention;

[0043] Figure 6 It is a schematic diagram of the bottom structure of the purification component of the present invention.

[0044] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0045] 1. Cabinet assembly; 101. Energy storage cabinet; 102. Cabinet door; 103. Storage slot; 104. Energy storage battery;

[0046] 2. Purification assembly; 201. Purification box; 202. Screw; 203. Dredging interface; 204. Filter cartridge; 205. Line notch; 206. Dredging guard plate; 207. Exhaust interface;

[0047] 3. Transfer battery; 301. Transfer interface;

[0048] 4. Wind power components; 401. Installation panel; 402. Power generation fan; 403. Dust filter;

[0049] 5. Support assembly; 501. Mounting base; 502. Support rod; 503. Bracket rod; 504. Connecting hole; 505. Transmission gear; 5051. Notch; 506. Drive box; 507. Drive motor; 508. Drive gear;

[0050] 6. Photovoltaic panel; 601. Connecting button; 6011. Bump. DETAILED DESCRIPTION

[0051] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the 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.

[0052] Embodiment 1

[0053] See also Figure 1 - Figure 6 As shown, a modular energy storage cabinet for photovoltaic power generation proposed in this embodiment includes a cabinet assembly 1, a purification assembly 2, a switching battery 3, a wind power assembly 4, a support assembly 5 and a photovoltaic panel 6.

[0054] The cabinet assembly 1 includes an energy storage cabinet 101, which is rotatably connected to a cabinet door 102. A plurality of storage slots 103 are provided in the energy storage cabinet 101, and energy storage batteries 104 are movably connected in the storage slots 103. A charging unit (this is the prior art and will not be elaborated on here) for docking and charging the energy storage battery 104 is installed in the energy storage cabinet 101. When the energy storage battery 104 is inserted into the storage slot 103, it can dock with the charging unit to realize the function of charging the energy storage battery 104.

[0055] A purification component 2 is embedded in the energy storage cabinet 101. The purification component 2 is used to filter and purify the wind input into the energy storage cabinet 101. The purification component 2 includes a purification box 201 embedded in the energy storage cabinet 101. A plurality of filter cartridges 204 are installed in the purification box 201. A plurality of mounting heads are provided in the purification box 201. One end of the filter cartridge 204 is threadedly connected to the mounting head to fix the filter cartridge 204 in the purification box 201. The filter cartridge 204 can be replaced or cleaned according to the filtering efficiency at a later stage. The incoming wind is filtered by the filter cartridge 204, and the filtered wind is then blown into the energy storage cabinet 101, thereby achieving the effect of heat dissipation and cooling of the transfer battery 3 and the energy storage battery 104.

[0056] A switching battery 3 is fixed to the bottom of the purification box 201 . The switching battery 3 is used to store the electric energy converted by the wind power assembly 4 and the photovoltaic panel 6 , and distribute it to various power units in the energy storage cabinet 101 .

[0057] The energy storage cabinet 101 is equipped with a wind power assembly 4 for wind power generation and a photovoltaic panel 6 for photovoltaic power generation.

[0058] The energy storage cabinet 101 is also equipped with a support assembly 5 for supporting and adjusting the angle of the photovoltaic panel 6 .

[0059] By inserting the energy storage battery 104 into the storage slot 103 and docking the connector of the energy storage battery 104 with the built-in charging unit, the energy storage battery 104 can be replenished, and by controlling the operation of the drive motor 507, the angle of the photovoltaic panel 6 can be tilted to one side, and the light energy received is converted into electrical energy and stored in the adapter battery 3. At the same time, the back side of the tilted angle of the photovoltaic panel 6 is used to guide natural wind to blow into the wind power component 4, and electricity is stored in the adapter battery 3 through wind power generation. The wind energy collected by the wind power generator is filtered and purified by the purification component 2, and then blown into the energy storage cabinet 101 to dissipate heat and cool the replenished energy storage battery 104.

[0060] Embodiment 2

[0061] See also Figure 1 , Figure 5 and Figure 6As shown, the modular energy storage cabinet for photovoltaic power generation proposed in this embodiment, based on the first embodiment, also includes that a screw 202 is provided on the purification box 201, and one end of the screw 202 is threadedly connected in the energy storage cabinet 101.

[0062] More specifically, both ends of the front and rear surfaces of the purification box 201 are provided with screws 202 , and one end of the screws 202 is threadedly connected to the inner wall of the top of the energy storage cabinet 101 , thereby fixing the purification box 201 in the energy storage cabinet 101 .

[0063] Furthermore, a dredging interface 203 is provided on the side of the purification box 201, and the dredging interface 203 runs through the purification box 201. A dredging guard plate 206 is fixed to the side of the purification box 201, and the dredging guard plate 206 is covered on the side of the dredging interface 203. An exhaust interface 207 is provided at the bottom of the dredging guard plate 206, and the exhaust interface 207 is interconnected with the dredging interface 203 and the energy storage cabinet 101.

[0064] More specifically, the wind filtered by the filter cartridge 204 is input from the dredging interface 203 into the space covered by the dredging guard plate 206 in the purification box 201, and is input from the exhaust interface 207 into the energy storage cabinet 101, dissipating heat and cooling the internal transfer battery 3 and energy storage battery 104.

[0065] Furthermore, a transfer interface 301 is provided at the bottom of the transfer battery 3 , and a line connection is formed between the transfer interface 301 and the energy storage battery 104 .

[0066] More specifically, the adapter interface 301 is used for connecting the line, and the electricity stored in the adapter battery 3 is transmitted to the energy storage battery 104 through the connected line.

[0067] Embodiment 3

[0068] See also Figure 1 - Figure 2 As shown, the modular energy storage cabinet for photovoltaic power generation mentioned in this embodiment, on the basis of embodiment one and embodiment two, also includes that the wind power component 4 includes a mounting panel 401 mounted on the energy storage cabinet 101, the mounting panel 401 is covered on the upper surface of the purification box 201, a plurality of generator fans 402 are mounted on the mounting panel 401, a dust filter 403 is provided on the upper cover of the generator fan 402, and the side of the generator fan 402 is movably mounted in the filter cartridge 204.

[0069] More specifically, the edge of the mounting panel 401 is installed in a closed manner with the interface at the top of the purification box 201 to seal the inside of the purification box 201 . When the installation is closed, the power generating fan 402 is mounted in the corresponding filter cartridge 204 .

[0070] The fan blades on the power generating fan 402 are driven by the wind to rotate the output end, so that the fan operates to generate electricity, which is converted into electrical energy and stored in the energy storage battery 104.

[0071] A dust filter 403 is provided on the interface of the power generation fan 402 to prevent debris from entering the interface and causing damage to the fan.

[0072] Furthermore, the power generating fan 402 is connected to the transfer battery 3 by a line, and a line recess 205 is provided on the filter cartridge 204 .

[0073] More specifically, when the wind turbine 402 is in operation, the electric energy is stored in the transfer battery 3 through the connected line, and the connected line is clamped in the line recess 205 to fix the line.

[0074] Furthermore, the support assembly 5 includes a mounting base 501 arranged on the energy storage cabinet 101, a support rod 502 is fixed on the mounting base 501, a bracket rod 503 is fixed on the support rod 502, a connecting hole 504 is opened on the bracket rod 503, and a connecting button 601 is arranged on the side of the photovoltaic panel 6, and the connecting button 601 is rotatably connected in the connecting hole 504.

[0075] More specifically, mounting bases 501 are provided at the four corners of the energy storage cabinet 101. The mounting base 501 is spliced ​​with the bracket rod 503 through the support rod 502 and fixed by screws or welding. When the photovoltaic panel 6 swings, the connecting button 601 rotates in the connecting hole 504 to improve the swing stability of the photovoltaic panel 6.

[0076] Furthermore, a transmission gear 505 is rotatably connected in the connection hole 504 , a notch 5051 is provided in the transmission gear 505 , a protrusion 6011 is provided on the side of the connection button 601 , the connection button 601 is movably connected in the connection hole 504 , and the protrusion 6011 is inserted in the notch 5051 .

[0077] More specifically, under the force of the protrusion 6011 inserted into the recess 5051 , when the transmission gear 505 rotates, it can drive the connection button 601 to rotate, thereby adjusting the tilt angle of the photovoltaic panel 6 .

[0078] Furthermore, a driving box 506 is installed at the bottom of the support rod 503 , and a driving gear 508 is rotatably connected inside the driving box 506 , and the driving gear 508 is meshed with the transmission gear 505 .

[0079] More specifically, when the driving gear 508 rotates, the meshing force causes the transmission gear 505 to rotate in the opposite direction, thereby achieving the effect that the transmission gear 505 drives the connecting button 601 to rotate.

[0080] Furthermore, a driving motor 507 is fixed to the side of the driving box 506 , and an output end of the driving motor 507 passes through the driving box 506 , and the output end is fixed on the axis of the driving gear 508 .

[0081] More specifically, the output end of the driving motor 507 has the function of bidirectional rotation, and the output end rotates alternately to achieve angle adjustment of the photovoltaic panel 6.

[0082] The output end of the driving motor 507 has two rotation gears, which correspond to the forward and reverse directions of the output end respectively, and the forward and reverse rotation angles are the same. When rotated to any angle limit, one end of the photovoltaic panel 6 is attached to the mounting panel 401, so that the natural wind is guided to the wind power component 4, so that the blades of the generator fan 402 rotate to generate electricity.

[0083] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A modular energy storage cabinet for photovoltaic power generation, comprising a cabinet assembly (1), a purification assembly (2), a switching battery (3), a wind power assembly (4), a support assembly (5) and a photovoltaic panel (6), It is characterized by: The cabinet assembly (1) comprises an energy storage cabinet (101), a cabinet door (102) is rotatably connected to the energy storage cabinet (101), a plurality of storage slots (103) are provided in the energy storage cabinet (101), and energy storage batteries (104) are movably connected in the storage slots (103); The energy storage cabinet (101) is embedded with a purification component (2), the purification component (2) is used to filter and purify the wind input into the energy storage cabinet (101), the purification component (2) comprises a purification box (201) embedded in the energy storage cabinet (101), and a plurality of filter cartridges (204) are installed in the purification box (201); The side of the purification box (201) is provided with a dredging interface (203), the dredging interface (203) penetrates the purification box (201), a dredging guard plate (206) is fixed to the side of the purification box (201), the dredging guard plate (206) covers the side of the dredging interface (203), an exhaust interface (207) is provided at the bottom of the dredging guard plate (206), and the exhaust interface (207) is interconnected with the dredging interface (203) and the energy storage cabinet (101); A switching battery (3) is fixed at the bottom of the purification box (201), and the switching battery (3) is used to store the electric energy converted by the wind power component (4) and the photovoltaic panel (6), and distribute it to various power consumption units in the energy storage cabinet (101); The energy storage cabinet (101) is equipped with a wind power component (4) for wind power generation and a photovoltaic panel (6) for photovoltaic power generation; The energy storage cabinet (101) is also provided with a support assembly (5) for supporting and adjusting the angle of the photovoltaic panel (6), so as to adjust the angle of the photovoltaic panel (6) and guide the natural wind to blow into the wind assembly (4) by utilizing the tilt angle of the photovoltaic panel (6).

2. A modular energy storage cabinet for photovoltaic power generation according to claim 1, characterized in that: The purification box (201) is provided with a screw rod (202), and one end of the screw rod (202) is threadedly connected in the energy storage cabinet (101).

3. A modular energy storage cabinet for photovoltaic power generation according to claim 1, characterized in that: A transfer interface (301) is provided at the bottom of the transfer battery (3), and a line is connected between the transfer interface (301) and the energy storage battery (104).

4. A modular energy storage cabinet for photovoltaic power generation according to claim 1, characterized in that: The wind power assembly (4) comprises a mounting panel (401) mounted on the energy storage cabinet (101), the mounting panel (401) covering the upper surface of the purification box (201), a plurality of power generation fans (402) mounted on the mounting panel (401), a dustproof filter (403) being provided on the upper cover of the power generation fan (402), and the side of the power generation fan (402) being movably mounted in the filter cartridge (204).

5. A modular energy storage cabinet for photovoltaic power generation according to claim 4, characterized in that: The power generating fan (402) is connected to the switching storage battery (3) via a line, and a line notch (205) is provided on the filter cartridge (204).

6. A modular energy storage cabinet for photovoltaic power generation according to claim 1, characterized in that: The support assembly (5) comprises a mounting base (501) arranged on the energy storage cabinet (101), a support rod (502) being fixed on the mounting base (501), a bracket rod (503) being fixed on the support rod (502), a connection hole (504) being provided on the bracket rod (503), and a connection button (601) being provided on the side of the photovoltaic panel (6), and the connection button (601) being rotatably connected in the connection hole (504).

7. A modular energy storage cabinet for photovoltaic power generation according to claim 6, characterized in that: A transmission gear (505) is rotatably connected in the connection hole (504), a notch (5051) is provided in the transmission gear (505), a convex block (6011) is provided on the side of the connection button (601), the connection button (601) is movably connected in the connection hole (504), and the convex block (6011) is inserted in the notch (5051).

8. A modular energy storage cabinet for photovoltaic power generation according to claim 6, characterized in that: A driving box (506) is installed at the bottom of the support rod (503), and a driving gear (508) is rotatably connected inside the driving box (506), and the driving gear (508) is meshed with the transmission gear (505).

9. A modular energy storage cabinet for photovoltaic power generation according to claim 8, characterized in that: A driving motor (507) is fixed to the side of the driving box (506); the output end of the driving motor (507) passes through the driving box (506), and the output end is fixed on the axis of the driving gear (508).

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