Outdoor photovoltaic grid-connected cabinet protection structure

Abstract

The utility model discloses an outdoor photovoltaic grid-connected cabinet protection structure which comprises a grid-connected cabinet body, a cabinet door is arranged on the front face of the grid-connected cabinet body, a shielding plate is fixedly connected to the back face of the cabinet door, a connecting plate is fixedly connected to the inner layer of the grid-connected cabinet body, and a support is fixedly connected to the outer portion of the connecting plate. A filling cushion is arranged in the support, a first moving plate and a second moving plate are slidably connected to the two sides of the support correspondingly, a first moving block and a second moving block are fixedly connected to the front faces of the first moving plate and the second moving plate correspondingly, and a first pressing block and a second pressing block are fixedly connected to the back face of the cabinet door; and pressure pads are arranged on the first moving plate and the second moving plate. By means of the device, the first pressing block and the second pressing block can extrude the corresponding first moving block and the second moving block, the moving blocks are pushed to drive the moving plate to move, the pressing pads driven by the moving plate can stably abut against the two sides of the shielding plate, and therefore the good sealing effect is achieved.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic grid-connected cabinet protection technology, and in particular to an outdoor photovoltaic grid-connected cabinet protection structure. Background Technology

[0002] The photovoltaic grid-connected cabinet is mainly responsible for converting the direct current generated by the photovoltaic array into alternating current that meets the grid requirements, and for achieving safe, stable and efficient grid connection.

[0003] Existing grid-connected cabinet protection technologies mostly use simple sealing gaskets or rain shelters for protection. However, this method is difficult to fully withstand the complex and ever-changing harsh outdoor environment. For example, Chinese patent discloses "a photovoltaic grid-connected cabinet body", with application number "CN202323111348.1". It adopts multiple partitioned spaces inside the cabinet to achieve integrated separate configuration of inverter, metering, primary component installation and secondary control protection, reducing the space required for grid connection in traditional power distribution rooms. However, its protection range is limited. The protection of other parts of the cabinet, such as the sides, bottom and top and the connection between the top and the cabinet door, is relatively weak. Rainwater from the outside may enter the interior and cause short circuits in the internal circuits. Utility Model Content

[0004] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a protective structure for an outdoor photovoltaic grid-connected cabinet. The first and second pressing blocks will squeeze the corresponding first and second moving blocks. With the help of the ingenious action of the inclined side, the moving blocks will drive the first and second moving plates to move. At the same time, as the cabinet door closes, the cover plate can accurately enter the slot of the bracket and abut against the filling pad. The pressing pad driven by the moving plate will tightly abut against both sides of the cover plate, forming a tight sealing structure. This will prevent rainwater from causing corrosion, short circuits and other damage to the internal electrical components, greatly improve the protective performance of the grid-connected cabinet in harsh outdoor environments, and extend its service life.

[0005] This utility model also provides a protective structure for an outdoor photovoltaic grid-connected cabinet, comprising: a grid-connected cabinet body, a cabinet door on the front of the cabinet body, a cover plate fixedly connected to the back of the cabinet door, a connecting plate fixedly connected to the inner layer of the grid-connected cabinet body, and a bracket fixedly connected to the outside of the connecting plate; the bracket is filled with a soft pad, and a first movable plate and a second movable plate are slidably connected to both sides of the bracket; a first movable block and a second movable block are fixedly connected to the front of the first movable plate and the second movable plate, respectively; a first pressing block and a second pressing block are fixedly connected to the back of the cabinet door; and pressure pads are provided on the first movable plate and the second movable plate. Through this device, the first pressing block and the second pressing block will compress the corresponding first movable block and the second movable block, pushing the movable block to move the movable plate. The pressure pads driven by the movable plate will firmly press against both sides of the cover plate, thereby achieving a good sealing effect.

[0006] According to the protective structure of an outdoor photovoltaic grid-connected cabinet described in this utility model, a support leg is fixedly connected to the lower surface of the cabinet body, and a sealing gasket is provided on the cabinet body, the sealing gasket being in contact with the cabinet door. Through the above device, the support leg keeps the cabinet a certain distance from the ground, preventing ground moisture and other factors from corroding the bottom of the cabinet; the sealing gasket fills the gap between the cabinet door and the cabinet body when the cabinet door is closed.

[0007] According to the protective structure of an outdoor photovoltaic grid-connected cabinet described in this utility model, a heat dissipation device is installed inside the grid-connected cabinet body, and a rainproof canopy is fixedly connected to the upper surface of the grid-connected cabinet body, with the rainproof canopy located directly above the cabinet door. Through these devices, the heat dissipation device can promptly dissipate the heat generated by the operation of electrical components within the grid-connected cabinet body; the rainproof canopy can effectively prevent rainwater from directly falling onto the cabinet door and the top of the cabinet body.

[0008] According to the protective structure of an outdoor photovoltaic grid-connected cabinet described in this utility model, a drainage trough is provided at the bottom of the cabinet body, and a drainage hole is provided at the bottom of the drainage trough. The drainage trough is located in front of the connecting plate. Through the above device, rainwater flowing into the bottom of the cabinet from the top or surrounding area can be collected through the drainage trough, and the drainage hole can drain the collected rainwater in a timely manner, preventing rainwater from accumulating at the bottom of the cabinet.

[0009] According to the protective structure for an outdoor photovoltaic grid-connected cabinet of this utility model, a slot is provided inside the bracket, a rubber pad is provided on the bracket, a filling soft pad is located at the bottom of the slot, and the first movable plate and the second movable plate are located on both sides of the slot. Through the above device, the rubber pad can reduce damage to the bracket and related components caused by vibration or collision; the filling soft pad further enhances the sealing performance of the cover.

[0010] According to the protective structure of an outdoor photovoltaic grid-connected cabinet described in this utility model, limiting plates are provided on both sides of the first and second moving plates. Slots are provided on both the first and second moving plates on the top and bottom sides of the grid-connected cabinet body, and these slots penetrate the first and second moving plates. Through this device, the limiting plates restrict the movement range of the first and second moving plates within the slots, and the slots ensure that the moving block that the pressure block first touches moves first when the cabinet door is closed, avoiding misalignment caused by asynchronous movement.

[0011] According to the protective structure for an outdoor photovoltaic grid-connected cabinet of this utility model, the first and second pressure blocks, as well as the first and second moving blocks, are all triangular, with the hypotenuses of the first and second pressure blocks respectively fitting against the hypotenuses of the first and second moving blocks. Through this device, when the first and second pressure blocks are subjected to external force, the force can be effectively transmitted and converted into a pushing force on the moving blocks through the fitting relationship between their hypotenuses and the hypotenuses of the first and second moving blocks.

[0012] According to the protective structure for an outdoor photovoltaic grid-connected cabinet of this utility model, the first movable block and the pressure pad are located on both sides of the first movable plate, and the second movable block and the pressure pad are located on both sides of the second movable plate. The pressure pad is in contact with the cover plate, and the bottom of the cover plate is in contact with the filling soft pad. With the above device, the positions of the first movable block and the second movable block can be adjusted on both sides of the movable plate, and pressure is applied to the cover plate in conjunction with the pressure pad.

[0013] Beneficial effects

[0014] Compared with existing technologies, this protective structure for outdoor photovoltaic grid-connected cabinets uses a first and second pressing block to compress the corresponding first and second moving blocks. With the clever action of the inclined side, the moving blocks drive the first and second moving plates to move. At the same time, as the cabinet door closes, the shield can accurately enter the slot of the bracket and abut against the filling pad. The pressing pad driven by the moving plate will tightly abut against both sides of the shield, forming a tight sealing structure. This prevents rainwater from causing corrosion, short circuits, or other damage to the internal electrical components, greatly improving the protective performance of the grid-connected cabinet in harsh outdoor environments and extending its service life. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a front view of the protective structure of the outdoor photovoltaic grid-connected cabinet of this utility model;

[0017] Figure 2 This utility model relates to the protective structure of an outdoor photovoltaic grid-connected cabinet. Figure 1 Internal structure diagram;

[0018] Figure 3 This utility model relates to the protective structure of an outdoor photovoltaic grid-connected cabinet. Figure 1 Right side sectional view;

[0019] Figure 4 In the protective structure of the outdoor photovoltaic grid-connected cabinet of this utility model Figure 2 Enlarged view of point A in the middle;

[0020] Figure 5 In the protective structure of the outdoor photovoltaic grid-connected cabinet of this utility model Figure 3 Enlarged view of section B in the middle.

[0021] Legend:

[0022] 1. Main body of grid-connected cabinet; 2. Rainproof canopy; 3. Cabinet door; 4. Support legs; 5. Sealing gasket; 6. Connecting plate; 7. Rubber gasket; 8. Bracket; 9. First movable plate; 10. First pressure block; 11. First movable block; 12. Second movable plate; 13. Second pressure block; 14. Second movable block; 15. Pressure pad; 16. Sheath; 17. Filling pad; 18. Cut groove; 19. Heat dissipation device; 20. Drainage groove; 21. Drainage hole; 22. Slot. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the description of the textual part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0024] Reference Figure 1-5This utility model discloses an outdoor photovoltaic grid-connected cabinet protective structure, comprising: a grid-connected cabinet body 1, a cabinet door 3 on the front of the grid-connected cabinet body 1, a support leg 4 fixedly connected to the lower surface of the grid-connected cabinet body 1 to support the grid-connected cabinet body 1, a sealing gasket 5 on the grid-connected cabinet body 1 to fill the gap between the grid-connected cabinet body 1 and the cabinet door 3, the sealing gasket 5 being in close contact with the cabinet door 3, a heat dissipation device 19 inside the grid-connected cabinet body 1 to dissipate the heat generated inside the grid-connected cabinet body 1, and a rainproof canopy 2 fixedly connected to the upper surface of the grid-connected cabinet body 1. The rainproof canopy 2 prevents rainwater from entering the interior of the grid-connected cabinet body 1. The rainproof canopy 2 is located directly above the cabinet door 3. A cover plate 16 is fixedly connected to the back of the cabinet door 3. The cover plate 16 and other components work together to form a sealed structure. A connecting plate 6 is fixedly connected to the inner layer of the grid-connected cabinet body 1. A drainage trough 20 is provided at the bottom of the grid-connected cabinet body 1. The drainage trough 20 collects rainwater flowing into the bottom from the top or surrounding area of ​​the cabinet. A drainage hole 21 is provided at the bottom of the drainage trough 20. The drainage hole 21 discharges the rainwater to the outside. The drainage trough 20 is located in front of the connecting plate 6. A bracket 8 is fixedly connected to the outside of the connecting plate 6.

[0025] The bracket 8 has a filling pad 17 inside, which contacts the cover plate 16 to improve sealing. The bracket 8 also has a slot 22 inside, and a rubber pad 7 is placed on the bracket 8. The filling pad 17 is located at the bottom inner part of the slot 22. The first moving plate 9 and the second moving plate 12 are located on both sides of the slot 22. The first moving plate 9 and the second moving plate 12 are slidably connected to both sides of the bracket 8. Limit plates (not shown in the figure) are provided on both sides of the first moving plate 9 and the second moving plate 12. Slots 18 are provided on the first moving plate 9 and the second moving plate 12 on the top and bottom sides of the grid-connected cabinet body 1. The slots 18 penetrate the first moving plate 9 and the second moving plate 12. The front of the first moving plate 9 and the second moving plate 12 are respectively fixedly connected to the first moving plate 9 and the second moving plate 12. The first movable block 11 and the second movable block 14, the first pressing block 10 and the second pressing block 13, and the first movable block 11 and the second movable block 14 are all triangular. The hypotenuses of the first pressing block 10 and the second pressing block 13 are respectively attached to the hypotenuses of the first movable block 11 and the second movable block 14. The first pressing block 10 and the second pressing block 13 are fixedly connected to the back of the cabinet door 3. The first movable plate 9 and the second movable plate 12 are provided with pressure pads 15. The pressure pads 15 are tightly attached to the cover plate 16 to apply uniform pressure and improve the sealing performance. The first movable block 11 and the pressure pads 15 are located on both sides of the first movable plate 9, and the second movable block 14 and the pressure pads 15 are located on both sides of the second movable plate 12. The pressure pads 15 are attached to the cover plate 16, and the bottom of the cover plate 16 is attached to the filling pad 17.

[0026] Working principle: When the cabinet door 3 is closed, the first pressing block 10 and the second pressing block 13 on the cabinet door 3 press against the first moving block 11 and the second moving block 14. Due to the action of the inclined side, the first moving block 11 and the second moving block 14 are pushed to drive the first moving plate 9 and the second moving plate 12 to move. At this time, the cabinet door 3 is closed, and the cover plate 1 will enter the slot 22 and press against the filling pad 17. The pressing pad 15 driven by the first moving plate 9 and the second moving plate 12 will press against the two sides of the cover plate 16 to achieve a seal and prevent rainwater from the outside environment from entering the interior. The upper and lower grooves 18 will cause the first moving block 11 or the second moving block 14 that first contacts the first pressing block 10 or the second pressing block 13 to move first.

[0027] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A protective structure for an outdoor photovoltaic grid-connected cabinet, characterized in that, include: The grid-connected cabinet body (1) has a cabinet door (3) on the front and a cover plate (16) fixedly connected to the back of the cabinet door (3). The grid-connected cabinet body (1) has a connecting plate (6) fixedly connected to the inner layer and a bracket (8) fixedly connected to the outside of the connecting plate (6). The bracket (8) is provided with a filling pad (17) inside. The bracket (8) is slidably connected to a first moving plate (9) and a second moving plate (12) on both sides. The first moving plate (9) and the second moving plate (12) are respectively fixedly connected to a first moving block (11) and a second moving block (14) on the front. The cabinet door (3) is fixedly connected to a first pressing block (10) and a second pressing block (13) on the back. The first moving plate (9) and the second moving plate (12) are provided with pressing pads (15).

2. The outdoor photovoltaic grid-connected cabinet protection structure according to claim 1, characterized in that, The lower surface of the grid-connected cabinet body (1) is fixedly connected with a support leg (4), and a sealing gasket (5) is provided on the grid-connected cabinet body (1), which is in contact with the cabinet door (3).

3. The outdoor photovoltaic grid-connected cabinet protection structure according to claim 1, characterized in that, The grid-connected cabinet body (1) is equipped with a heat dissipation device (19) inside. A rainproof canopy (2) is fixedly connected to the upper surface of the grid-connected cabinet body (1). The rainproof canopy (2) is located directly above the cabinet door (3).

4. The outdoor photovoltaic grid-connected cabinet protection structure according to claim 1, characterized in that, The bottom of the grid-connected cabinet body (1) is provided with a drainage trough (20), and the bottom of the drainage trough (20) is provided with a drainage hole (21). The drainage trough (20) is located in front of the connecting plate (6).

5. The outdoor photovoltaic grid-connected cabinet protection structure according to claim 1, characterized in that, The bracket (8) has a slot (22) inside, and a rubber pad (7) is provided on the bracket (8). The filling soft pad (17) is located at the bottom of the slot (22), and the first moving plate (9) and the second moving plate (12) are located on both sides of the slot (22).

6. The outdoor photovoltaic grid-connected cabinet protection structure according to claim 1, characterized in that, Limiting plates are provided on both sides of the first moving plate (9) and the second moving plate (12). The first moving plate (9) and the second moving plate (12) on the top and bottom sides of the grid-connected cabinet body (1) are provided with grooves (18), which penetrate the first moving plate (9) and the second moving plate (12).

7. The outdoor photovoltaic grid-connected cabinet protection structure according to claim 1, characterized in that, The first pressing block (10) and the second pressing block (13), the first moving block (11) and the second moving block (14) are all triangular, and the hypotenuses of the first pressing block (10) and the second pressing block (13) are respectively attached to the hypotenuses of the first moving block (11) and the second moving block (14).

8. The outdoor photovoltaic grid-connected cabinet protection structure according to claim 1, characterized in that, The first movable block (11) and the pressure pad (15) are located on both sides of the first movable plate (9), and the second movable block (14) and the pressure pad (15) are located on both sides of the second movable plate (12). The pressure pad (15) is attached to the cover plate (16), and the bottom of the cover plate (16) is attached to the filling pad (17).

Images