Inverter conversion structure of photovoltaic power generation panel and method thereof

Abstract

The application discloses an inverter conversion structure and method of a photovoltaic power generation panel, which comprises a box body, a box door is hingedly installed on one side of the box body, a wire-through pipe is fixedly connected to the upper surface of the box body, a square frame is fixedly welded to the inner surface of the box body, a square sliding hole is arranged in the square frame, a square supporting rod is slidingly installed in the square sliding hole, a connecting groove is arranged at the end of the square supporting rod, a square head is hingedly arranged in the connecting groove, an installation plate is fixedly connected to one end of the square head, the installation plate is slidingly installed at one side of the square frame, a solar energy grading inverter is fixedly installed on the upper surface of the installation plate, and the solar energy grading inverter is laminatedly installed in the box body and connected with the layered converters, so that the layered output is realized, the use is convenient, the adaptability is high, the installation is convenient, the conversion and adjustment are facilitated, and the adaptability is high.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic power generation, and more specifically, to an inverter conversion structure and method for a photovoltaic power generation panel. Background Technology

[0002] Photovoltaic power generation panels are connected to 48V-96V lithium batteries via MPPT controllers, and then inverted to reach residential or commercial applications. Existing technologies have problems and defects. According to P=UI, low-voltage inversion will result in significant energy loss. The lower the voltage, the higher the cost of cables and electronic components. Existing technologies suffer from high energy loss due to low voltage (W=RI2). Solving these problems can increase the voltage.

[0003] Simply increasing the voltage does not allow for switching and adjustment, affecting the adaptability of normal use, failing to meet different usage conditions, and lacking the ability to switch between different modes of adjustment. Therefore, a new switching structure and method are needed. Summary of the Invention

[0004] To address the problems existing in the prior art, the present invention aims to provide an inverter conversion structure and method for photovoltaic power generation panels. A square frame is connected inside the housing, allowing for the sliding installation of square support rods and mounting plates. This facilitates sliding installation, convenient adjustment and maintenance, avoids interference, and allows for the layered installation of multiple solar graded inverters, enabling the conversion of different voltages and reducing energy consumption. Simultaneously, the layered converters allow for layered output, facilitating selection and use, high adaptability, convenient installation and use, and efficient conversion and adjustment.

[0005] To solve the above problems, the present invention adopts the following technical solution.

[0006] A photovoltaic power generation panel inverter conversion structure and method are disclosed, comprising a housing, a door hinged to one side of the housing, a conduit fixedly connected to the upper surface of the housing, a square frame fixedly welded to one side of the inner surface of the housing, a square sliding hole provided inside the square frame, a square support rod slidably installed inside the square sliding hole, a connecting groove provided at the end of the square support rod, a square head hinged inside the connecting groove, a mounting plate fixedly connected to one end of the square head, the mounting plate slidably installed on one side of the square frame, a solar graded inverter fixedly installed on the upper surface of the mounting plate, the solar graded inverters being stacked inside the housing, a fixed support plate fixedly connected to the other side of the inner surface of the housing, one end of the mounting plate slidably installed on the upper surface of the fixed support plate, and a positioning screw threadedly installed on one end of the mounting plate, the positioning screw being threadedly installed at the end of the fixed support plate;

[0007] One end of the mounting plate is provided with a clearance through hole, and a wire is slidably installed inside the clearance through hole. The wire is connected in series to one side of the solar graded inverter. One end of the solar graded inverter is fixedly installed with an output head. An adapter is fixedly installed on one side of the outer surface of the housing. The adapter is located on one side of the output head. A flexible busbar is fixedly connected to one side surface of the adapter. One end of the flexible busbar is fixedly connected with an adapter, and the adapter is inserted into one end of the outer surface of the output head.

[0008] The operation method of this inverter conversion structure includes the following steps:

[0009] S1. Connect the wiring through conduit to the solar graded inverter and connect it to the photovoltaic grid and the overhead power grid;

[0010] S2. Power is generated through the photovoltaic grid and transmitted to the solar graded inverter for voltage inversion and graded output;

[0011] S3. Connect the adapter through the output head, and combine the flexible busbar to transmit the power to the adapter, outputting different voltages in stages for off-grid power supply;

[0012] S4. Select adapters at different locations for connection, use different output voltages, and power different battery packs.

[0013] Furthermore, a bracket is fixedly connected to one side of the lower surface of the mounting plate, and a winding wheel is rotatably mounted on one side of the bracket, the winding wheel being wound around the outer surface of the wire.

[0014] Furthermore, a torsion spring is fixedly installed on the shaft end of the take-up reel, and the end of the torsion spring is snapped into one side of the outer surface of the bracket. The bracket is located on one side of the avoidance through hole. By installing the take-up reel and the torsion spring through the bracket, the wire can be wound and positioned in combination, and it can be pulled out to avoid interference and facilitate adjustment and use.

[0015] Furthermore, side plates are fixedly connected to both ends of the outer surface of the box, and a square mounting rod is fixedly connected to one side of the side plate.

[0016] Furthermore, an adjustment seat is slidably mounted on the outer surface of the square mounting rod, and a tightening screw is threaded on one side surface of the adjustment seat. The square mounting rod and the adjustment seat are connected by a side plate, which can be combined for installation and positioning, facilitating up and down sliding adjustment, and making it easy to switch between different positions for installation, thereby adjusting different output voltages and providing high adaptability.

[0017] Furthermore, the adjusting seat is slidably mounted on one side of the outer surface of the housing, and the locking screw is tightly connected to the outer surface of the square mounting rod.

[0018] Furthermore, a combination head is fixedly connected to one side of the adjustment seat, and a connector is slidably installed on the outer surface of the combination head.

[0019] Furthermore, the connector is inserted into one end of the adapter, and the connector is located on one side of the outer surface of the adjusting seat.

[0020] Furthermore, a charging cable is fixedly connected to one side of the adjustment seat, and a charging gun is fixedly installed at one end of the charging cable. The charging gun is located outside the housing. The combination head and the connector are installed on the adjustment seat, which can be docked and positioned for easy power supply. The charging gun can be connected to the battery pack for charging through the charging cable, making it convenient for combined use.

[0021] Compared with the prior art, the advantages of this invention are:

[0022] (1) This solution connects a square frame inside the box, thereby sliding the square support rod and mounting plate, which is conducive to sliding installation, convenient for adjustment and maintenance, avoids interference, and can install multiple solar graded inverters in layers, which can convert different voltages and reduce energy consumption. At the same time, it connects to the layered converters, which can output in layers, which is convenient for selection and use, highly adaptable, convenient for installation and use, and conducive to conversion and adjustment.

[0023] (2) The winding wheel and torsion spring are installed by bracket, which can be combined to position the wire winding and can be pulled out to avoid interference and make it convenient to adjust and use.

[0024] (3) The square mounting rod and the adjustment seat are connected by the side plate, which can be combined for installation and positioning. It is easy to slide up and down for adjustment, and it is convenient to adjust the installation and conversion, thereby adjusting different output voltages. It has high adaptability.

[0025] (4) The combination head and the connector can be installed by adjusting the seat, which can be docked and positioned for easy power supply. The charging gun can be connected by the charging cable to charge the battery pack, which is convenient for combined use. Attached Figure Description

[0026] Figure 1 This is a three-dimensional external view of the overall structure of the present invention;

[0027] Figure 2 This is a cross-sectional schematic diagram of the internal structure of the present invention;

[0028] Figure 3 This is a partial cross-sectional view of the mounting plate connection of the present invention;

[0029] Figure 4 For the present invention Figure 3 Enlarged view of point A where the take-up reel is connected;

[0030] Figure 5This is a perspective view of the connection between the square frame and the mounting plate of the present invention;

[0031] Figure 6 This is a partial structural diagram of the adjusting seat connection of the present invention.

[0032] Explanation of the labels in the diagram:

[0033] 1. Cabinet, 11. Cabinet door, 12. Conduit, 13. Square frame, 14. Square sliding hole, 15. Square support rod, 16. Connecting groove, 17. Square head, 18. Mounting plate, 19. Solar graded inverter, 2. Fixed bracket, 21. Positioning screw, 22. Clearance through hole, 23. Wire, 24. Adapter, 25. Output head, 26. Flexible cable strip, 27. Adapter, 3. Bracket, 31. Rewinding wheel, 32. Torsion spring, 33. Side plate, 34. Square mounting rod, 35. Adjustment seat, 36. Combination head, 37. Connector, 38. Locking screw, 4. Charging cable, 41. Charging gun. Detailed Implementation

[0034] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0035] Please see Figure 1 , Figure 2 , Figure 3 and Figure 5A photovoltaic (PV) inverter conversion structure and method are disclosed, comprising a housing 1, with a hinged door 11 on one side of the housing 1. An internal battery pack can be installed inside the housing 11 to store electrical energy for functionality, ensuring the stability of components. It can also accommodate cooling equipment for temperature control, maintaining a constant internal temperature of 25 degrees Celsius to ensure environmental stability, thereby improving the operational stability of internal components and enhancing safety. A conduit 12 is fixedly connected to the upper surface of the housing 1, through which wires and the PV panel are connected, enabling solar energy to enter the photovoltaic system. The system generates electricity, which is then converted by a solar cascade inverter 19. During the daytime, it can directly charge the batteries of new energy vehicles and store energy within the internal enclosure 1. At night, it supplies energy, reducing energy storage costs, improving photovoltaic utilization, and facilitating combined use. A square frame 13 is fixedly welded to one side of the internal surface of the enclosure 1. The square frame 13 has square sliding holes 14 inside, and a square support rod 15 is slidably installed inside the square sliding holes 14. The square support rod 15 is connected to the square sliding holes 14, allowing for sliding support, facilitating position adjustment, and simplifying maintenance. The square support rod 15 has a connecting groove 16 at its end. A square head 17 is hinged inside the connecting groove 16. One end of the square head 17 is fixedly connected to a mounting plate 18. The mounting plate 18 is slidably mounted on one side of the square frame 13. A solar graded inverter 19 is fixedly mounted on the upper surface of the mounting plate 18. The solar graded inverter 19 is stacked inside the housing 1. A fixing plate 2 is fixedly connected to the other side of the inner surface of the housing 1. One end of the mounting plate 18 is slidably mounted on the upper surface of the fixing plate 2. A positioning screw 21 is threaded onto one end of the mounting plate 18. Installed at the end of the fixed support plate 2, the mounting plate 18 can be positioned on the fixed support plate 2 during normal use, and combined with the positioning screw 21 for safe and stable positioning. During maintenance, the positioning screw 21 can be loosened first, and then the mounting plate 18 can be pulled and slid, with the square support rod 15 sliding inside the square sliding hole 14. It can be pushed out from the opening of the box 1. Then the square head 17 can be hinged and flipped inside the connecting groove 16, and the mounting plate 18 can be flipped horizontally, thereby misaligning the upper and lower layered solar graded inverters 19 to avoid interference, facilitate inspection and maintenance, and have high adaptability.

[0036] One end of the mounting plate 18 has a clearance through hole 22. A wire 23 is slidably installed inside the clearance through hole 22. The wire 23 is connected in series to one side of the solar graded inverter 19. One end of the solar graded inverter 19 is fixedly installed with an output head 25. An adapter 24 is fixedly installed on one side of the outer surface of the housing 1. The adapter 24 is located on one side of the output head 25. A flexible busbar 26 is fixedly connected to one side surface of the adapter 24. One end of the flexible busbar 26 is fixedly connected with an adapter 27. The adapter 27 is plugged into one end of the outer surface of the output head 25 to adjust the solar power. When using the graded inverter 19, the adapter 27 can be manually disconnected first to avoid interference. During normal use, it can be installed in combination to facilitate the transfer of the inverter output voltage to the adapter 24 for output. Different voltages can be selected, making it highly adaptable and easy to adjust. This allows 280V current to be connected internally and converted by adjusting the graded inverter 19 to form a 520V high-voltage current output, reducing energy consumption and operating costs. Furthermore, the graded inverter structure can also generate higher high-voltage currents, facilitating conversion and making it easy to select and use.

[0037] The operation method of this inverter conversion structure includes the following steps:

[0038] S1. Thread the wire through conduit 12 to the solar graded inverter 19 and connect it to the photovoltaic grid and the overhead power grid;

[0039] S2. Power is generated through the photovoltaic grid and transmitted to the solar graded inverter 19 for voltage inversion and graded output;

[0040] S3. The output head 25 is connected to the adapter 27, and the flexible cable bus 26 transmits the power to the adapter 24, outputting different voltages in stages for off-grid power supply.

[0041] S4. Select different adapters 24 for connection, use different output voltages, and power different battery packs.

[0042] Please see Figure 2 and Figure 4A bracket 3 is fixedly connected to one side of the lower surface of the mounting plate 18. A winding wheel 31 is rotatably mounted on one side of the bracket 3. The winding wheel 31 is wound around the outer surface of the wire 23. A torsion spring 32 is fixedly mounted on the shaft end of the winding wheel 31. The end of the torsion spring 32 is snapped into one side of the outer surface of the bracket 3. The bracket 3 is located on one side of the clearance through hole 22. By mounting the winding wheel and the torsion spring through the bracket, the wire can be wound and positioned in combination. It can also be pulled out to avoid interference and facilitate adjustment and use. By winding the wire 23 with the winding wheel 31, a certain length can be stored. When the mounting plate 18 is pulled to adjust the position, it can be pulled out to avoid interference. After resetting, the winding wheel 31 is rotated by the torsion spring 32 to wind and store the wire. This facilitates installation and use, avoids confusion and interference, and has high adaptability.

[0043] Please see Figure 2 and Figure 5 Side plates 33 are fixedly connected to both ends of the outer surface of the housing 1. A square mounting rod 34 is fixedly connected to one side of the side plate 34. An adjusting seat 35 is slidably installed on the outer surface of the square mounting rod 34. A tightening screw 38 is threaded on one side surface of the adjusting seat 35. The square mounting rod and the adjusting seat are connected by the side plate, which can be combined for installation and positioning. This facilitates up-and-down sliding adjustment and easy alignment for conversion, thereby adjusting different output voltages. It has high adaptability. The tightening screw 38 can be tightened to assist in positioning the adjusting seat 35 and prevent sliding misalignment. The height position can also be manually adjusted, allowing it to slide up and down along the square mounting rod 34. This facilitates alignment to different height positions to select the output voltage, making it convenient for conversion and highly adaptable.

[0044] Please see Figure 1 and Figure 2 The adjusting seat 35 is slidably installed on one side of the outer surface of the housing 1. The locking screw 38 is tightened and connected to the outer surface of the square mounting rod 34. A combination head 36 is fixedly connected to one side of the adjusting seat 35. A connector 37 is slidably installed on the outer surface of the combination head 36. The connector 37 is inserted into one end of the adapter 24. The connector 37 is located on one side of the outer surface of the adjusting seat 35. A charging cable 4 is fixedly connected to one side of the adjusting seat 35. A charging gun 41 is fixedly installed at one end of the charging cable 4. The charging gun 41 is located outside the housing 1. The combination head and connector are installed on the adjusting seat, which can be aligned and positioned for easy power supply. The charging gun is connected to the charging cable to charge the battery pack, which is convenient for combined use. The connector 37 is aligned with the converter 24 to connect the circuit. Then the charging gun 41 can be inserted into the charging port, so that different voltages can be used to charge the car battery pack, which is convenient for selection.

[0045] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and its improved concepts, should be covered within the scope of protection of the present invention.

Claims

1. A photovoltaic power generation panel inverter conversion structure, comprising a housing (1), characterized in that: A door (11) is hinged to one side of the box (1). A conduit (12) is fixedly connected to the upper surface of the box (1). A square frame (13) is fixedly welded to one side of the inner surface of the box (1). A square sliding hole (14) is provided inside the square frame (13). A square support rod (15) is slidably installed inside the square sliding hole (14). A connecting groove (16) is provided at the end of the square support rod (15). A square head (17) is hinged inside the connecting groove (16). A mounting plate (18) is fixedly connected to one end of the square head (17). The mounting plate (18) is slidably mounted on one side of the square frame (13). A solar graded inverter (19) is fixedly mounted on the upper surface of the mounting plate (18). The solar graded inverter (19) is stacked inside the housing (1). A fixed support plate (2) is fixedly connected to the other side of the inner surface of the housing (1). One end of the mounting plate (18) is slidably mounted on the upper surface of the fixed support plate (2). A positioning screw (21) is threaded onto one end of the mounting plate (18). The positioning screw (21) is threaded onto the end of the fixed support plate (2). One end of the mounting plate (18) is provided with a clearance through hole (22), and a wire (23) is slidably installed inside the clearance through hole (22). The wire (23) is connected in series to one side of the solar graded inverter (19). One end of the solar graded inverter (19) is fixedly installed with an output head (25). One side of the outer surface of the housing (1) is fixedly installed with an adapter (24). The adapter (24) is located on one side of the output head (25). One side surface of the adapter (24) is fixedly connected with a flexible busbar (26). One end of the flexible busbar (26) is fixedly connected with an adapter (27). The adapter (27) is inserted into one end of the outer surface of the output head (25). The operation method of this inverter conversion structure includes the following steps: S1. Thread wires through conduit (12) to the solar graded inverter (19) and connect to the photovoltaic grid and the overhead grid; S2. Power is generated through photovoltaic grid and transmitted to solar graded inverter (19) for voltage inversion and graded output; S3. Connect the adapter (27) through the output head (25), and transmit the power to the adapter (24) through the flexible busbar (26) to output different voltages in stages for off-grid power supply; S4. Select adapters (24) at different locations for connection, use different output voltages, and power different battery packs.

2. The inverter conversion structure of a photovoltaic power generation panel according to claim 1, characterized in that: A bracket (3) is fixedly connected to one side of the lower surface of the mounting plate (18), and a winding wheel (31) is rotatably mounted on one side of the bracket (3). The winding wheel (31) is wound around the outer surface of the wire (23).

3. The inverter conversion structure of a photovoltaic power generation panel according to claim 2, characterized in that: A torsion spring (32) is fixedly installed on the shaft end of the winding wheel (31). The end of the torsion spring (32) is snapped into one side of the outer surface of the bracket (3). The bracket (3) is located on one side of the clearance through hole (22).

4. The inverter conversion structure of a photovoltaic power generation panel according to claim 1, characterized in that: Side plates (33) are fixedly connected to both ends of the outer surface of the box (1), and a square mounting rod (34) is fixedly connected to one side of the side plate (3).

5. The inverter conversion structure of a photovoltaic power generation panel according to claim 1, characterized in that: An adjusting seat (35) is slidably mounted on the outer surface of the square mounting rod (34), and a tightening screw (38) is threaded onto one side surface of the adjusting seat (35).

6. The inverter conversion structure of a photovoltaic power generation panel according to claim 5, characterized in that: The adjusting seat (35) is slidably installed on one side of the outer surface of the housing (1), and the locking screw (38) is tightly connected to the outer surface of the square mounting rod (34).

7. The inverter conversion structure of a photovoltaic power generation panel according to claim 5, characterized in that: A combination head (36) is fixedly connected to one side of the adjusting seat (35), and a connector (37) is slidably installed on the outer surface of the combination head (36).

8. The inverter conversion structure of a photovoltaic power generation panel according to claim 7, characterized in that: The connector (37) is inserted into one end of the adapter (24), and the connector (37) is located on one side of the outer surface of the adjusting seat (35).

9. The inverter conversion structure of a photovoltaic power generation panel according to claim 5, characterized in that: A charging cable (4) is fixedly connected to one side of the adjustment seat (35), and a charging gun (41) is fixedly installed at one end of the charging cable (4). The charging gun (41) is located outside the housing (1).

Images