A distributed photovoltaic grid-connected protection device

Abstract

The utility model relates to photovoltaic grid-connected protection technical field, concretely is a kind of distributed photovoltaic grid-connected protection equipment, including mounting bracket, the surface of mounting bracket is equipped with mounting slot, the inside movable joint of mounting slot has photovoltaic module, the bottom of mounting bracket is provided with installation component, the surface of protective shell is provided with photovoltaic panel body, and protective shell and photovoltaic panel body are adapted with the installation slot inside mounting bracket place.The utility model is equipped with mounting bracket, mounting slot, protective shell, photovoltaic panel body, cross insertion seat, bonding rubber pad, butt joint rubber strip, cross insertion slot and sealing ring, can make equipment for the photovoltaic panel body equipment of distributed photovoltaic grid-connected, carry out adaptive protection installation operation, in actual use process, staff first whole photovoltaic panel body is covered by protective shell and is installed, then protective shell is passed through the cross insertion seat and bonding rubber pad of bottom.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic grid-connected protection technology, specifically a distributed photovoltaic grid-connected protection device. Background Technology

[0002] Solar photovoltaic power generation relies on solar cell modules to convert light energy into electrical energy using the electronic properties of semiconductor materials. Grid-connected power generation systems use photovoltaic arrays to convert the received solar radiation energy into high-voltage direct current through high-frequency DC conversion. After being inverted by an inverter, the system outputs a sinusoidal alternating current to the grid that is in phase and frequency with the grid voltage. With the increasing emphasis on renewable energy in Shenzhen and the rapid development of photovoltaic power generation technology, distributed photovoltaic power generation systems have become an important energy supply method.

[0003] For example, patent document CN 207460074 U discloses a distributed photovoltaic grid-connected protection device, including a main support frame, a first photovoltaic mounting plate installed on one side of the main support frame, a second photovoltaic mounting plate installed on one side of the top of the first photovoltaic mounting plate, triangular support frames fixed to the support base frame on both sides of the bottom of the main support frame, a retractable clamp installed at the top of the main support frame, and rotating shafts installed on both sides of the center of the main support frame. A first telescopic rod is connected to the rotating shaft, one end of the first telescopic rod is connected to a connecting support rod, and one end of the connecting support rod is equipped with a second telescopic rod. This utility model is a distributed photovoltaic grid-connected protection device that can effectively improve the protection of distributed photovoltaic grid connection. The device has a certain rotation and telescopic function, allowing it to be extended and retracted when not in use, reducing wear and tear and failure rate, and effectively reducing the workload of workers.

[0004] However, in actual use, due to its structural limitations, this structure can only be used for simple splicing and installation of photovoltaic panels connected to the grid. It cannot provide a more stable protective structure for them, nor can it be quickly disassembled and maintained. At the same time, the equipment cannot provide more uniform heat dissipation protection for the photovoltaic panels installed under protection, which cannot meet the daily use needs. Therefore, it is urgent to design a distributed photovoltaic grid-connected protection device to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a distributed photovoltaic grid-connected protection device to solve the problems mentioned in the background art. In actual use, due to the limitations of its own structure, the existing structure can only be used for simple splicing and installation of photovoltaic grid-connected photovoltaic panels. It cannot provide a more stable protection structure for them, nor can it be quickly disassembled and maintained. At the same time, the device cannot provide more uniform heat dissipation protection for the photovoltaic panels installed under protection, and cannot meet the needs of daily use.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a distributed photovoltaic grid-connected protection device, including a mounting frame, a mounting groove is provided on the surface of the mounting frame, a photovoltaic module is movably connected inside the mounting groove, and a mounting component is provided at the bottom of the mounting frame; The photovoltaic module includes a protective housing, on the surface of which a photovoltaic panel body is disposed, and the protective housing and the photovoltaic panel body are adapted to the mounting groove inside the mounting frame; The mounting assembly includes a suction frame, the bottom of which is fixedly connected to the suction frame, and the bottom of which is fixedly connected to a mounting base.

[0007] Preferably, the mounting base has an internal mounting hole groove, the inner bottom wall of the mounting hole groove has a uniformly distributed cable routing groove, and the side of the suction frame has a uniformly distributed suction mesh groove.

[0008] Preferably, a cross-shaped connector is fixedly connected to the bottom of the protective housing, and both the bottom of the protective housing and the bottom of the cross-shaped connector are provided with adhesive pads.

[0009] Preferably, the mounting bracket has evenly distributed mating strips on its side, and the inner bottom wall of the mounting groove has a cross-shaped insertion groove that is compatible with the cross-shaped insertion seat.

[0010] Preferably, cooling fans are evenly arranged on the four sides of the inner wall of the mounting groove, and a heat dissipation patch is provided on the top of the cooling fan.

[0011] Preferably, the inner edge of the mounting frame is provided with an exhaust mesh groove, which is connected to the suction frame.

[0012] Preferably, a sealing ring is provided between the protective housing and the mounting bracket.

[0013] Compared with the prior art, the beneficial effects of this utility model are: This distributed photovoltaic grid-connected protection device, through its mounting frame, mounting groove, protective housing, photovoltaic panel body, cross-shaped connector, adhesive pad, mating strip, cross-shaped connector groove, and sealing ring, allows for the adaptive protection and installation of photovoltaic panels for distributed photovoltaic grid connection. In actual use, the operator first installs the photovoltaic panel body using the protective housing. Then, the protective housing, through the bottom cross-shaped connector and adhesive pad, is inserted into the mounting groove on the surface of the mounting frame. The cross-shaped connector is then properly inserted into the cross-shaped connector groove on the bottom wall of the mounting groove, enabling rapid positioning and installation of the protective housing and photovoltaic panel body. Furthermore, the surface connection between the protective housing and the mounting frame is tightly sealed using the sealing ring, providing internal sealing protection. Simultaneously, the mounting frames are sealed together using the side mating strips, demonstrating the practicality of the device design.

[0014] This distributed photovoltaic grid-connected protection device, through its mounting frame, suction frame, mounting base, mounting hole slots, cable tray, suction mesh slot, cooling fan, heat dissipation fins, and exhaust mesh slot, further improves the overall performance of the equipment. During daily use, when the protective housing and photovoltaic panel are placed inside the mounting slot of the mounting frame for photovoltaic power generation, the mounting slot is equipped with a temperature sensor adapted to the photovoltaic panel. This sensor can monitor the real-time stability of the photovoltaic panel during operation and upload the measured temperature to the photovoltaic monitoring system in real time. The system can then be adapted to... The cooling fans inside the four sides of the starting mounting bracket continuously draw air from the suction mesh grooves on the side of the suction bracket, allowing the cooling airflow to enter the interior of the mounting bracket. This airflow is then quickly dispersed through the exhaust mesh grooves on the inner edge of the mounting bracket, ensuring that the heat dissipation fins at the top of the cooling fans remain in contact with the bottom four sides of the protective housing and the photovoltaic panel for heat dissipation. Additionally, the entire device can be installed via the cable trays on the mounting base at the bottom of the suction bracket. The mounting holes inside the mounting base provide cable protection for all devices, demonstrating the comprehensiveness of the equipment design. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the overall structure of the protective shell of this utility model; Figure 3 This is a schematic diagram of the overall structure of the mounting bracket of this utility model; Figure 4 This utility model Figure 1 A magnified schematic diagram of the structure at point A; Figure 5 This utility model Figure 1Enlarged schematic diagram of the structure at point B.

[0016] In the diagram: 1. Mounting bracket; 2. Mounting slot; 3. Protective housing; 4. Photovoltaic panel body; 5. Air suction bracket; 6. Mounting base; 7. Mounting hole slot; 8. Cable tray; 9. Air suction mesh slot; 10. Cross connector; 11. Adhesive pad; 12. Butt joint strip; 13. Cross connector slot; 14. Cooling fan; 15. Heat dissipation patch; 16. Exhaust mesh slot; 17. Sealing ring. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-5 One embodiment provided by this utility model: A distributed photovoltaic grid-connected protection device includes a mounting frame 1, with a mounting groove 2 on the surface of the mounting frame 1. A photovoltaic module is movably connected inside the mounting groove 2. A mounting component is provided at the bottom of the mounting frame 1. A photovoltaic panel body 4 is provided on the surface of a protective shell 3, and the protective shell 3 and the photovoltaic panel body 4 are adapted to the mounting groove 2 inside the mounting frame 1. Cooling fans 14 are evenly arranged on the four sides of the inner wall of the mounting groove 2, and a heat dissipation patch 15 is provided at the top of the cooling fan 14. An exhaust mesh groove 16 is provided on the inner edge of the mounting frame 1, and the exhaust mesh groove 16 is connected to the suction frame 5. A sealing ring 17 is provided between the protective shell 3 and the mounting frame 1. The protective shell 3 is limited and inserted into the mounting groove 2 on the surface of the mounting frame 1 through the cross-shaped plug 10 at the bottom and the adhesive pad 11. The cross-shaped plug 10 is adapted to be inserted into the cross-shaped plug groove 13 on the bottom wall of the mounting groove 2, so that the protective shell 3 and the photovoltaic panel body 4 can be quickly and precisely installed.

[0019] The mounting components include a suction frame 5, which is fixedly connected to the bottom of the mounting frame 1. A mounting base 6 is fixedly connected to the bottom of the suction frame 5. The mounting base 6 has a mounting hole groove 7 inside. The inner bottom wall of the mounting hole groove 7 has evenly spaced cable grooves 8. The sides of the suction frame 5 have evenly spaced suction mesh grooves 9. A cross-shaped connector 10 is fixedly connected to the bottom of the protective shell 3. Adhesive pads 11 are provided on the bottom of both the protective shell 3 and the bottom of the cross-shaped connector 10. The sides of the mounting frame 1 have evenly spaced mating strips 12. The inner bottom wall of the mounting groove 2 has a cross-shaped connector groove 13 that matches the cross-shaped connector 10. When the cooling fans 14 on the four sides inside the mounting frame 1 are started, continuous air suction is performed from the suction mesh grooves 9 on the sides of the suction frame 5, which allows the cooling airflow to enter the interior of the mounting frame 1 and quickly disperse in a frame shape through the exhaust mesh grooves 16 on the inner edge of the mounting frame 1.

[0020] Working Principle: During use, the user first installs the photovoltaic panel body 4 entirely through the protective housing 3. Then, the protective housing 3, using the bottom cross-shaped connector 10 and adhesive pad 11, is inserted into the mounting groove 2 on the surface of the mounting frame 1 for positioning. The cross-shaped connector 10 is then properly inserted into the cross-shaped slot 13 on the bottom wall of the mounting groove 2. This allows for quick and precise positioning and installation of the protective housing 3 and the photovoltaic panel body 4. The surface connection between the protective housing 3 and the mounting frame 1 is sealed tightly using the sealing ring 17, providing internal sealing protection. Similarly, the mounting frames 1 are sealed together using the side mating strips 12. During daily use, when the protective housing 3 and the photovoltaic panel body 4 are placed inside the mounting groove 2 of the mounting frame 1 for daily photovoltaic power generation, the mounting frame 1... The mounting slot 2 is equipped with a temperature sensor that is compatible with the photovoltaic panel body 4. It can monitor the real-time stability of the photovoltaic panel body 4 during operation and upload the measured temperature to the photovoltaic monitoring system in real time. The system can then activate the cooling fans 14 on the four sides of the mounting frame 1 to continuously draw air from the suction mesh groove 9 on the side of the suction frame 5. This allows the cooling airflow to enter the interior of the mounting frame 1 and quickly disperse through the exhaust mesh groove 16 on the inner edge of the mounting frame 1. This ensures that the heat dissipation patch 15 at the top of the cooling fan 14 is always in contact with the bottom four sides of the protective shell 3 and the photovoltaic panel body 4 for heat dissipation. At the same time, the entire device can be installed through the cable tray 8 of the mounting base 6 at the bottom of the suction frame 5. The mounting holes 7 inside the mounting base 6 provide cable protection for all devices. The above is the complete working principle of this utility model.

[0021] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A distributed photovoltaic grid protection device comprising a mounting rack (1), characterized in that: The mounting frame (1) has a mounting groove (2) on its surface, and a photovoltaic module is movably connected inside the mounting groove (2). The mounting frame (1) has a mounting component at its bottom. The photovoltaic module includes a protective housing (3), on the surface of which a photovoltaic panel body (4) is provided, and the protective housing (3) and the photovoltaic panel body (4) are adapted to the mounting groove (2) inside the mounting frame (1); The mounting assembly includes a suction frame (5), the bottom end of which is fixedly connected to the suction frame (5), and the bottom end of the suction frame (5) is fixedly connected to the mounting base (6).

2. The distributed photovoltaic grid-connected protection device according to claim 1, characterized in that: The mounting base (6) has an internal mounting hole groove (7), the inner bottom wall of the mounting hole groove (7) is uniformly provided with a cable tray groove (8), and the side of the suction frame (5) is uniformly provided with a suction mesh groove (9).

3. The distributed photovoltaic grid-connected protection device according to claim 1, characterized in that: The bottom of the protective housing (3) is fixedly connected to a cross-shaped connector (10), and both the bottom of the protective housing (3) and the bottom of the cross-shaped connector (10) are provided with adhesive pads (11).

4. The distributed photovoltaic grid-connected protection device according to claim 1, characterized in that: The mounting bracket (1) has evenly arranged mating strips (12) on its side, and the inner bottom wall of the mounting groove (2) has a cross-shaped insertion groove (13) that is compatible with the cross-shaped insertion seat (10).

5. A distributed photovoltaic grid-connected protection device according to claim 1, characterized in that: The inner wall of the mounting groove (2) is evenly provided with heat dissipation fans (14) on all four sides, and the top of the heat dissipation fan (14) is provided with heat dissipation pads (15).

6. A distributed photovoltaic grid-connected protection device according to claim 1, characterized in that: The inner edge of the mounting frame (1) is provided with an exhaust mesh groove (16), which is connected to the suction frame (5).

7. A distributed photovoltaic grid-connected protection device according to claim 1, characterized in that: A sealing ring (17) is provided between the protective housing (3) and the mounting bracket (1).

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