Photovoltaic grid-connected low-voltage power distribution cabinet

Abstract

The utility model provides a photovoltaic grid-connected low-voltage power distribution cabinet which comprises a power distribution cabinet body, an electric control box, a heat dissipation cabinet and a connecting frame, an adjusting assembly is arranged above the connecting frame and comprises a partition plate and a screw rod, the partition plate is fixedly connected with the inner wall of the power distribution cabinet body, and the screw rod penetrates through and is in threaded connection with the interior of the partition plate; the connecting frames are fixed to the bottom ends of the screw rods through the adjusting assemblies, the screw rods are rotated to drive the connecting frames to move up and down to change the spacing, and the photovoltaic grid-connected equipment relates to the technical field of photovoltaic grid-connected equipment, the spacing of the connecting frames can be conveniently adjusted by arranging the adjusting assemblies, so that electric appliance elements of different sizes can be installed on the surface walls of the connecting frames in the same row, and the installation efficiency is improved. The problem that installation is inconvenient due to the fact that an existing connecting frame is fixed in installation size is solved, installation efficiency is improved, applicability to electrical components of different sizes is enhanced, and meanwhile the adjusting mode is easy to operate and stable and reliable in structure.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic grid-connected equipment technology, and in particular to a photovoltaic grid-connected low-voltage distribution cabinet. Background Technology

[0002] In photovoltaic grid-connected systems, low-voltage distribution cabinets are an important component. Currently, most of the internal connection frames of low-voltage distribution cabinets are fixed with screws. When installing some electrical components, since the dimensions of the connection frames are fixed, it is inconvenient to install electrical components of different sizes on the same row of connection frames, which reduces installation efficiency and limits the applicability to electrical components of different sizes. Utility Model Content

[0003] To overcome existing problems, this application provides a photovoltaic grid-connected low-voltage distribution cabinet. By setting an adjustment component, the spacing of the connecting frames can be easily adjusted, allowing electrical components of different sizes to be installed on the same row of connecting frames. This solves the problem of inconvenient installation caused by the fixed installation size of existing connecting frames, improves installation efficiency, and enhances the applicability to electrical components of different sizes. At the same time, this adjustment method is simple to operate and has a stable and reliable structure.

[0004] The technical solution adopted by the embodiments of this application to solve its technical problem is:

[0005] A photovoltaic grid-connected low-voltage distribution cabinet includes a main body, an electrical control box, a heat dissipation cabinet, and a connecting frame. An adjustment assembly is located above the connecting frame. The adjustment assembly includes a partition and a screw. The partition is fixedly connected to the inner wall of the main body of the distribution cabinet. The screw passes through and is threaded into the interior of the partition. The connecting frame is fixed to the bottom end of the screw via the adjustment assembly. Rotating the screw moves the connecting frame up and down to change the spacing. When the spacing of the connecting frames needs to be adjusted, rotating the screw, due to its threaded connection to the partition, converts the rotation of the screw into movement along its axis, thereby moving the connecting frame up and down inside the main body of the distribution cabinet. This allows for adjustment of the spacing between multiple connecting frames. This adjustment method allows for flexible adjustment of the position and spacing of the connecting frames according to electrical components of different sizes, facilitating the installation of electrical components.

[0006] Preferably, the adjusting assembly includes a first nut and a second nut. The first nut is fixed to a screw rod, which is a bidirectional threaded rod with opposite thread directions at both ends. This allows for the synchronous driving of two rows of connecting frames to move towards or away from each other. The connecting frame is located on one side of the main body of the distribution cabinet, positioned between the first nut and the second nut. The connecting frame is clamped or released by rotating the second nut. When installing the connecting frame, it is placed in the internal space of the first nut and the second nut, and then the second nut is rotated to move towards the first nut, thereby clamping and fixing the connecting frame between the first nut and the second nut.

[0007] Preferably, the main body of the power distribution cabinet is equipped with a controller, the outer wall of the main body of the power distribution cabinet is equipped with a cabinet door, the cabinet door is equipped with an operation panel, the controller receives instructions from the operation panel, and the main body of the power distribution cabinet is equipped with a cavity, which can be used to install wiring and multiple connecting brackets.

[0008] Preferably, the heat dissipation cabinet has a heat dissipation window on its outer wall. The heat dissipation window has a louvered structure and a removable dustproof screen on the inner side to filter dust and ensure ventilation efficiency. The heat dissipation cabinet has a cooling fan inside, which is electrically connected to the electrical control box. The power of the component is automatically started and stopped after the spacing of the connecting frame is adjusted. The connecting frame is a metal profile with multiple mounting holes on its outer wall. The spacing matches the mounting hole spacing of common electrical components. The cooling fan is installed inside the heat dissipation cabinet, and the heat dissipation window has a louvered structure and is located on the side of the heat dissipation cabinet.

[0009] The advantages of the embodiments of this application are:

[0010] By setting up adjustment components, the spacing of the connecting brackets can be easily adjusted, allowing electrical components of different sizes to be installed on the same row of connecting brackets. This solves the problem of inconvenience caused by the fixed installation size of existing connecting brackets, improves installation efficiency, and enhances the applicability to electrical components of different sizes. At the same time, this adjustment method is simple to operate and has a stable and reliable structure. Attached Figure Description

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0012] Figure 1 This is a schematic diagram of the overall structure of the photovoltaic grid-connected low-voltage distribution cabinet of this utility model;

[0013] Figure 2 This is a schematic diagram of the internal front structure of the photovoltaic grid-connected low-voltage distribution cabinet of this utility model;

[0014] Figure 3 This is a schematic diagram of the overall structure of the regulating component in the photovoltaic grid-connected low-voltage distribution cabinet of this utility model.

[0015] Explanation of key figure labels:

[0016] 1. Main body of the distribution cabinet; 2. Electrical control box; 3. Cabinet door; 4. Heat dissipation cabinet; 5. Heat dissipation window; 6. Adjustment component; 61. Screw; 62. Partition plate; 63. First nut; 64. Second nut; 7. Connecting frame; 8. Cavity. Detailed Implementation

[0017] This application provides a photovoltaic grid-connected low-voltage distribution cabinet to solve the problems in the prior art. By setting an adjustment component, the spacing of the connecting frame can be easily adjusted, so that electrical components of different sizes can be installed on the same row of connecting frame surfaces. This solves the problem of inconvenience caused by the fixed installation size of the existing connecting frame, improves installation efficiency, and enhances the applicability to electrical components of different sizes. At the same time, this adjustment method is simple to operate and has a stable and reliable structure.

[0018] The technical solution in this application is to solve the above problems, and the overall approach is as follows:

[0019] Example

[0020] This embodiment provides a specific structure for a photovoltaic grid-connected low-voltage distribution cabinet, such as... Figure 1-3 As shown, the system includes a main body 1 of the distribution cabinet, an electrical control box 2, a heat dissipation cabinet 4, and a connecting frame 7. An adjustment component 6 is provided above the connecting frame 7. The adjustment component 6 includes a partition 62 and a screw 61. The partition 62 is fixedly connected to the inner wall of the main body 1 of the distribution cabinet. The screw 61 passes through and is threaded into the interior of the partition 62. The connecting frame 7 is fixed to the bottom end of the screw 61 through the adjustment component 6. Rotating the screw 61 can drive the connecting frame 7 to move up and down to change the spacing. When it is necessary to adjust the spacing of the connecting frame 7, rotating the screw 61 will convert the rotation of the screw 61 into movement along the axis of the screw 61, thereby driving the connecting frame 7 to move up and down inside the main body 1 of the distribution cabinet, realizing the adjustment of the spacing of multiple connecting frames 7. Through this adjustment method, the position and spacing of the connecting frame 7 can be flexibly adjusted according to electrical components of different sizes, which facilitates the installation of electrical components.

[0021] The adjusting assembly 6 includes a first nut 63 and a second nut 64. The first nut 63 is fixed to a screw 61, which is a bidirectional threaded rod with opposite threads at both ends. This allows the two rows of connecting frames 7 to move towards or away from each other synchronously. The connecting frame 7 is located on one side of the main body 1 of the distribution cabinet and is positioned between the first nut 63 and the second nut 64. The connecting frame 7 is clamped or released by rotating the second nut 64. When installing the connecting frame 7, it is placed in the internal space of the first nut 63 and the second nut 64. Then, the second nut 64 is rotated to move towards the first nut 63, thereby clamping and fixing the connecting frame 7 between the first nut 63 and the second nut 64.

[0022] The main body 1 of the power distribution cabinet is equipped with a controller. The outer wall of the main body 1 of the power distribution cabinet is equipped with a cabinet door 3. The cabinet door 3 is equipped with an operation panel. The controller receives instructions from the operation panel. The main body 1 of the power distribution cabinet is equipped with a cavity 8. The cavity 8 can be used to install wiring and multiple connecting brackets 7.

[0023] The heat dissipation cabinet 4 has a heat dissipation window 5 on its outer wall. The heat dissipation window 5 has a louvered structure and a removable dustproof screen on the inside to filter dust and ensure ventilation efficiency. The heat dissipation cabinet 4 is equipped with a cooling fan, which is electrically connected to the electrical control box 2. The power of the component is automatically started and stopped after the spacing of the connecting bracket 7 is adjusted according to the spacing of the connecting bracket 7. The connecting bracket 7 is made of metal profile and has multiple mounting holes on its outer wall. The spacing matches the mounting hole spacing of common electrical components. The heat dissipation fan is installed inside the heat dissipation cabinet 4. The heat dissipation window 5 has a louvered structure and is located on the side of the heat dissipation cabinet 4.

[0024] By adopting the above technical solution:

[0025] Installation and adjustment process of adjustment components

[0026] initial state

[0027] A partition 62 is pre-fixed on the inner wall of the main body 1 of the power distribution cabinet. The partition 62 is horizontally set and has a threaded hole in the middle, which forms a threaded connection with the screw 61.

[0028] The connecting frame 7 is a horizontal, long strip-shaped metal frame with slots or limiting structures at both ends that mate with the first nut 63 and the second nut 64.

[0029] A cooling fan is installed inside the heat sink 4, and the heat dissipation window 5 is a louvered structure located on the side of the heat sink 4.

[0030] 7 steps for fixing the connector bracket

[0031] Place the connecting bracket 7 between the first nut 63 and the second nut 64, so that both ends of the connecting bracket 7 are embedded in the first nut 63 and the second nut 64.

[0032] Turn the second nut 64 clockwise with a wrench. Since the screw 61 is fixed, the second nut 64 moves along the screw 61 axis toward the first nut 63 until the two clamp the two ends of the connecting frame 7 and fix the connecting frame 7 by friction.

[0033] Spacing adjustment steps

[0034] When it is necessary to adjust the vertical spacing of the connecting brackets 7, loosen the second nuts 64 corresponding to all connecting brackets 7 so that the connecting brackets 7 are in a sliding state.

[0035] When the screw 61 is rotated, the screw drives all the connecting frames to move up and down synchronously because the partition 62 is fixed.

[0036] After moving to the target position, turn the second nut 64 clockwise again to clamp the connecting bracket 7 and complete the spacing fixation.

[0037] Electrical component installation

[0038] If large electrical components are installed, the spacing between adjacent connecting brackets can be increased; if small components are installed, the spacing can be reduced, allowing for flexible adaptation to components of different specifications.

[0039] The components are fixed to the surface of the connector 7 with screws, and the wires are arranged neatly through the cavity 8 to avoid messy wiring.

[0040] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A photovoltaic grid-connected low-voltage distribution cabinet, characterized in that, The device includes a main body (1) of a power distribution cabinet, an electrical control box (2), a heat sink (4) and a connecting frame (7). An adjustment component (6) is provided above the connecting frame (7). The adjustment component (6) includes a partition (62) and a screw (61). The partition (62) is fixedly connected to the inner wall of the main body (1) of the power distribution cabinet. The screw (61) passes through and is threaded into the interior of the partition (62). The connecting frame (7) is fixed to the bottom end of the screw (61) by the adjustment component (6). Rotating the screw (61) can drive the connecting frame (7) to move up and down to change the spacing.

2. The photovoltaic grid-connected low-voltage distribution cabinet as described in claim 1, characterized in that, The adjustment component (6) includes a first nut (63) and a second nut (64). The first nut (63) is fixed to the screw (61). The connecting frame (7) is located on one side of the main body (1) of the distribution cabinet and is placed between the first nut (63) and the second nut (64). The connecting frame (7) is clamped or loosened by rotating the second nut (64).

3. A photovoltaic grid-connected low-voltage distribution cabinet as described in claim 2, characterized in that, The screw (61) is a bidirectional threaded rod with opposite thread directions at both ends, which can synchronously drive the two rows of connecting frames (7) to move towards or away from each other.

4. A photovoltaic grid-connected low-voltage distribution cabinet as described in claim 1, characterized in that, The main body (1) of the power distribution cabinet is equipped with a controller, and the main body (1) of the power distribution cabinet is equipped with a cabinet door (3) on its outer wall. The cabinet door (3) is equipped with an operation panel, and the controller receives instructions from the operation panel.

5. A photovoltaic grid-connected low-voltage distribution cabinet as described in claim 1, characterized in that, The heat sink cabinet (4) is equipped with a heat sink fan, which is electrically connected to the electrical control box (2). The power of the component is automatically started and stopped after the spacing of the connecting frame (7) is adjusted.

6. A photovoltaic grid-connected low-voltage distribution cabinet as described in claim 1, characterized in that, The main body (1) of the power distribution cabinet has an internal cavity (8).

7. A photovoltaic grid-connected low-voltage distribution cabinet as described in claim 1, characterized in that, The connecting frame (7) is a metal profile with multiple mounting holes on its surface, the spacing of which matches the mounting hole spacing of common electrical components.

8. A photovoltaic grid-connected low-voltage distribution cabinet as described in claim 1, characterized in that, The heat dissipation cabinet (4) has a heat dissipation window (5) on its outer wall. The heat dissipation window (5) is a louvered structure with a removable dustproof net on the inner side to filter dust and ensure ventilation efficiency.

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