A photovoltaic grid-tie access box that is easy to install

Abstract

The utility model relates to photovoltaic assembly technical field, and disclose a kind of photovoltaic grid-connected access box of being convenient for installation, including grid-connected box main body, the top of grid-connected box main body is equipped with electric meter box, the inner wall of grid-connected box main body is slidably connected with fixed bottom plate and fixed side plate respectively, the inner wall of grid-connected box main body is equipped with threading hole, the inner wall of grid-connected box main body is fixedly installed with threaded column, the inner wall of grid-connected box main body is slidably connected with extruding block. By rotating threaded rod, and then make threaded rod drive sliding frame move, so that sliding frame drive extruding plate move, and then make the outer wall of extruding plate and the outer wall of pressure plate be in conformity, at this time, by the continuous movement of extruding plate, make the pressure plate be extruded by extruding plate, and then make extruding plate push pressure plate to both sides, and then drive lock plate move, so that lock plate enter the inner wall of extension block, and then make extension block be fixed, so that grid-connected box main body and electric meter box are fixed.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic assembly technology, specifically a photovoltaic grid-connected access box that is easy to install. Background Technology

[0002] The photovoltaic grid-connected access box is the core transitional device in a photovoltaic power generation system that connects the photovoltaic array to the power grid. Its main functions are to collect, protect, and monitor the DC power generated by the photovoltaic modules, and to work with the inverter to manage the grid-connected interface after AC-DC conversion.

[0003] Existing photovoltaic grid-connected access boxes are often installed together with meter boxes, resulting in excessively large boxes. This means that when installing them on a wall, workers need to carry the entire box at once, which is inconvenient to carry or install. Furthermore, when wiring after the box is installed, if the wires are not on the side of the wiring hole, workers need to move the wires to the side of the wiring hole for wiring, which is extremely inconvenient. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an easy-to-install photovoltaic grid-connected access box, which has the advantages of a split box design that facilitates installation and wiring, thus solving the problems mentioned in the background technology.

[0005] This utility model provides the following technical solution: a photovoltaic grid-connected access box that is easy to install, comprising a grid-connected box body, a meter box at the top of the grid-connected box body, a fixed base plate and a fixed side plate slidably connected to the inner wall of the grid-connected box body, a wire hole in the inner wall of the grid-connected box body, a threaded column fixedly installed in the inner wall of the grid-connected box body, a pressing block slidably connected to the inner wall of the grid-connected box body, a rotating head rotatably connected to the outer wall of the pressing block, a threaded sleeve fixedly installed in the outer wall of the rotating head, a fixing groove in the outer wall of the fixed side plate, an insertion block fixedly installed at the top of the grid-connected box body, an extension block fixedly installed at the bottom of the meter box, a pressing plate slidably connected to the inner wall of the insertion block, a sliding frame fixedly installed in the outer wall of the pressing plate, a threaded rod rotatably connected to the inner wall of the insertion block, a pressure plate slidably connected to the inner wall of the insertion block, a limit rod fixedly installed in the inner wall of the insertion block, a spring in the inner wall of the insertion block, and a locking plate fixedly installed in the outer wall of the pressure plate.

[0006] As a preferred technical solution of this utility model: the threaded post is located on the inner wall of the threaded sleeve, and the threaded post and the threaded sleeve are connected by threads.

[0007] As a preferred technical solution of this utility model: the shape of the extrusion block is adapted to the inner wall of the fixing groove, and the extrusion block is located on the inner wall of the fixing groove.

[0008] As a preferred technical solution of this utility model: the outer walls of both the extrusion plate and the pressure plate are inclined, and the outer walls of the extrusion plate and the pressure plate are parallel.

[0009] As a preferred technical solution of this utility model: the limiting rod passes through the pressure plate, and the limiting rod and the pressure plate are slidably connected.

[0010] As a preferred technical solution of this utility model: the threaded rod passes through the sliding frame, and the threaded rod and the sliding frame are connected by a thread.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. This easy-to-install photovoltaic grid-connected box, by rotating the threaded rod, causes the sliding frame to move, which in turn causes the pressing plate to move, thus bringing the outer wall of the pressing plate into contact with the outer wall of the pressure plate. As the pressing plate continues to move, the pressure plate is pressed by the pressing plate, which in turn pushes the pressure plate to both sides, thereby causing the locking plate to move and enter the inner wall of the extension block, thus fixing the extension block and securing the grid-connected box body and the meter box.

[0012] 2. This easy-to-install photovoltaic grid-connected access box, by rotating the rotating head, causes the threaded sleeve to rotate, which in turn causes the threaded sleeve to move on the outer wall of the threaded column through the threaded connection with the threaded column. This, in turn, causes the threaded sleeve to move the extrusion block outward of the fixing groove. When the threaded sleeve is completely disengaged from the threaded column, the extrusion block disengages from the inner wall of the fixing groove, thus eliminating the fixing relationship of the fixing groove. At this time, the fixing base plate and fixing side plate can be pulled to separate them from the inner wall of the grid-connected box body, thereby exposing the internal wiring holes. By opening the fixing base plate or fixing side plate on the line side, the wiring work becomes more convenient. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the exploded structure of this utility model; Figure 3 This is a schematic diagram of the extension block structure of this utility model; Figure 4 This is a schematic cross-sectional view of the present invention. Figure 5 This is a schematic diagram of the threaded sleeve structure of this utility model.

[0014] In the diagram: 1. Main body of grid-connected box; 2. Meter box; 3. Fixed base plate; 4. Fixed side plate; 5. Through hole; 6. Threaded post; 7. Extrusion block; 8. Rotating head; 9. Threaded sleeve; 10. Fixed groove; 11. Insert block; 12. Extension block; 13. Extrusion plate; 14. Sliding frame; 15. Threaded rod; 16. Pressure plate; 17. Limiting rod; 18. Spring; 19. Locking plate. Detailed Implementation

[0015] 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.

[0016] Please see Figure 1 - Figure 5 A photovoltaic grid-connected access box that is easy to install includes a grid-connected box body 1, a meter box 2 on the top of the grid-connected box body 1, a fixed base plate 3 and a fixed side plate 4 slidably connected to the inner wall of the grid-connected box body 1, a wire-passing hole 5 on the inner wall of the grid-connected box body 1, a threaded post 6 fixedly installed on the inner wall of the grid-connected box body 1, an extrusion block 7 slidably connected to the inner wall of the grid-connected box body 1, a rotating head 8 rotatably connected to the outer wall of the extrusion block 7, a threaded sleeve 9 fixedly installed on the outer wall of the rotating head 8, and a threaded sleeve 9 fixedly installed on the outer wall of the fixed side plate 4. A fixing groove 10 is provided. A plug block 11 is fixedly installed on the top of the grid-connected box body 1. An extension block 12 is fixedly installed on the bottom of the meter box 2. A pressing plate 13 is slidably connected to the inner wall of the plug block 11. A sliding frame 14 is fixedly installed on the outer wall of the pressing plate 13. A threaded rod 15 is rotatably connected to the inner wall of the plug block 11. A pressure plate 16 is slidably connected to the inner wall of the plug block 11. A limit rod 17 is fixedly installed on the inner wall of the plug block 11. A spring 18 is provided on the inner wall of the plug block 11. A locking plate 19 is fixedly installed on the outer wall of the pressure plate 16.

[0017] In the above structure, the spring 18 pushes the pressure plate 16 outward, which in turn causes the pressure plate 16 to drive the locking plate 19 outward, causing the locking plate 19 to move towards the inner wall of the extension block 12, thereby creating a fixed relationship between the locking plate 19 and the extension block 12, and thus fixing the meter box 2 to the top of the grid-connected box body 1.

[0018] In a preferred embodiment, the threaded post 6 is located on the inner wall of the threaded sleeve 9, and the threaded post 6 and the threaded sleeve 9 are threadedly connected.

[0019] In the above structure, by rotating the rotating head 8, the rotating head 8 drives the threaded sleeve 9 to rotate, which in turn causes the threaded sleeve 9 to move on the outer wall of the threaded column 6 through the threaded connection with the threaded column 6, which in turn causes the threaded sleeve 9 to drive the extrusion block 7 on the outer wall to move.

[0020] In a preferred embodiment, the shape of the extrusion block 7 is adapted to the inner wall of the fixing groove 10, and the extrusion block 7 is located on the inner wall of the fixing groove 10.

[0021] In the above structure, the extrusion block 7 is located on the inner wall of the fixing groove 10, so that the extrusion block 7 fixes the position of the fixing groove 10, thereby fixing the position of the fixing side plate 4, and the fixing side plate 4 blocks the wire hole 5 on the outside of the grid-connected box body 1.

[0022] In a preferred embodiment, the outer walls of both the extrusion plate 13 and the pressure plate 16 are inclined, and the outer walls of the extrusion plate 13 and the pressure plate 16 are parallel.

[0023] In the above structure, the outer wall of the extrusion plate 13 is brought into contact with the outer wall of the pressure plate 16 by the movement of the extrusion plate 13. At this time, the pressure plate 16 is squeezed by the extrusion plate 13 by the continued movement of the extrusion plate 13, which pushes the pressure plate 16 to both sides, thereby causing the locking plate 19 to move.

[0024] In a preferred embodiment, the limiting rod 17 passes through the pressure plate 16, and the limiting rod 17 and the pressure plate 16 are slidably connected.

[0025] In the above structure, the pressure plate 16 is penetrated by the limiting rod 17, so that the pressure plate 16 can only slide on the outer wall of the limiting rod 17 when it moves, thereby limiting the pressure plate 16 when it moves and preventing the pressure plate 16 from tilting when it moves.

[0026] In a preferred embodiment, the threaded rod 15 passes through the sliding frame 14, and the threaded rod 15 and the sliding frame 14 are threadedly connected.

[0027] In the above structure, by rotating the threaded rod 15, the threaded rod 15 drives the sliding frame 14 to move through the threaded connection with the sliding frame 14, which in turn drives the extrusion plate 13 to move, thereby controlling the position of the extrusion plate 13.

[0028] Working Principle: During equipment installation, the main body 1 of the grid-connected box is first fixed to the outside of the wall. Then, the meter box 2 is moved above the main body 1. The extension block 12 is inserted into the top inner wall of the main body 1, allowing the insert block 11 to enter the extension block 12. Rotating the threaded rod 15 causes the sliding frame 14 to move through its threaded connection with the sliding frame 14. This causes the sliding frame 14 to move the pressing plate 13, bringing its outer wall into contact with the outer wall of the pressure plate 16. As the pressing plate 13 continues to move, it presses the pressure plate 16, pushing it to both sides. This, in turn, moves the locking plate 19, causing it to enter the extension block 12. The inner wall of the extension block 12 is fixed, thus fixing the extension block 12 and the grid connection box body 1 and the meter box 2. At this time, observe the line route and remove the fixing base plate 3 or fixing side plate 4 on the side closest to the line. When removing the fixing base plate 3 and fixing side plate 4, rotate the rotating head 8, which causes the rotating head 8 to drive the threaded sleeve 9 to rotate. This causes the threaded sleeve 9 to move on the outer wall of the threaded column 6 through the threaded connection with the threaded column 6. This causes the threaded sleeve 9 to drive the pressing block 7 on the outer wall to move, thus causing the pressing block 7 to separate from the fixing groove 10 outside the fixing base plate 3 and fixing side plate 4. At this time, the fixing relationship of the fixing base plate 3 or fixing side plate 4 disappears, and it can be removed to expose the wire hole 5 inside, so that the wire can be threaded.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic grid-connected access box that is easy to install, comprising a grid-connected box body (1), characterized in that: The top of the grid-connected box body (1) is provided with a meter box (2). The inner wall of the grid-connected box body (1) is slidably connected with a fixed base plate (3) and a fixed side plate (4). The inner wall of the grid-connected box body (1) is provided with a wire hole (5). The inner wall of the grid-connected box body (1) is fixedly installed with a threaded column (6). The inner wall of the grid-connected box body (1) is slidably connected with a pressing block (7). The outer wall of the pressing block (7) is rotatably connected with a rotating head (8). The outer wall of the rotating head (8) is fixedly installed with a threaded sleeve (9). The outer wall of the fixed side plate (4) is provided with a fixing groove (10). A plug (11) is fixedly installed on the top of the body (1), an extension block (12) is fixedly installed on the bottom of the meter box (2), a pressing plate (13) is slidably connected to the inner wall of the plug (11), a sliding frame (14) is fixedly installed on the outer wall of the pressing plate (13), a threaded rod (15) is rotatably connected to the inner wall of the plug (11), a pressure plate (16) is slidably connected to the inner wall of the plug (11), a limit rod (17) is fixedly installed on the inner wall of the plug (11), a spring (18) is provided on the inner wall of the plug (11), and a locking plate (19) is fixedly installed on the outer wall of the pressure plate (16).

2. The photovoltaic grid-connected access box for easy installation according to claim 1, characterized in that: The threaded post (6) is located on the inner wall of the threaded sleeve (9), and the threaded post (6) and the threaded sleeve (9) are connected by threads.

3. The photovoltaic grid-connected access box for easy installation according to claim 1, characterized in that: The shape of the extrusion block (7) is adapted to the inner wall of the fixing groove (10), and the extrusion block (7) is located on the inner wall of the fixing groove (10).

4. The photovoltaic grid-connected access box for easy installation according to claim 1, characterized in that: The outer walls of the extrusion plate (13) and the pressure plate (16) are both inclined, and the outer walls of the extrusion plate (13) and the pressure plate (16) are parallel.

5. A photovoltaic grid-connected access box for easy installation according to claim 1, characterized in that: The limiting rod (17) passes through the pressure plate (16), and the limiting rod (17) and the pressure plate (16) are slidably connected.

6. A photovoltaic grid-connected access box for easy installation according to claim 1, characterized in that: The threaded rod (15) passes through the sliding frame (14), and the threaded rod (15) and the sliding frame (14) are connected by threads.

Images