Photovoltaic AC combiner box convenient to install

Abstract

The utility model discloses a photovoltaic AC combiner box convenient to install, which comprises a support frame, the upper surface of the support frame is rotatably connected with a bidirectional self-locking screw rod, the upper end and the lower end of the bidirectional self-locking screw rod are both in threaded connection with a movable fixing frame, the inner side of the movable fixing frame is attached with a first cover plate, the upper surface of the first cover plate is provided with a fixing groove, and the upper surface of the first cover plate is provided with a second cover plate. The inner wall of the fixing groove is movably connected with a fixing column, one end of the fixing column is fixedly connected with the movable fixing frames, and the two-way self-locking lead screw on the supporting frame is rotated, so that the movable fixing frames at the two ends of the two-way self-locking lead screw are clamped towards the middle, and when the fixing column on the movable fixing frames is inserted into the fixing groove of the first cover plate, the cover plate is fixed. Completing the installation and fixation of the photovoltaic AC combiner box main body; the gear is rotated by rotating the rotating rod on the first cover plate, the gear rotates to enable the meshed racks to drive the baffle to move, the ventilation holes of the photovoltaic alternating current combiner box body are exposed, and the ventilation holes are shielded and opened.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic AC combiner box technology, and in particular to a photovoltaic AC combiner box that is easy to install. Background Technology

[0002] For large-scale photovoltaic grid-connected power generation systems, in order to reduce the connection lines between the photovoltaic grid-connected inverter and the grid-connected cabinet, facilitate maintenance, and improve reliability, it is generally necessary to add a combiner box between the photovoltaic grid-connected inverter and the grid-connected cabinet. The combiner box is usually installed on the mounting frame of the photovoltaic power generation module. The existing combiner box is fixed to the mounting frame by multiple bolts, which requires the staff to tighten the bolts one by one with the help of auxiliary tools, which is a cumbersome operation. Utility Model Content

[0003] 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 photovoltaic AC combiner box that is easy to install. By rotating the bidirectional self-locking screw on the support frame, the movable fixing frames at both ends of the bidirectional self-locking screw are clamped in the middle. When the fixing column on the movable fixing frame is inserted into the fixing groove of the cover plate, the installation and fixing of the main body of the photovoltaic AC combiner box is completed. By rotating the rotating rod on the cover plate, the gear is rotated. The rotation of the gear causes the meshing rack to drive the baffle to move, exposing the ventilation hole of the main body of the photovoltaic AC combiner box, realizing the blocking and opening of the ventilation hole.

[0004] This utility model also provides a photovoltaic AC combiner box with the above-mentioned easy-to-installation features, comprising: a support frame, a bidirectional self-locking screw rotatably connected to the upper surface of the support frame, a movable fixing frame threaded to both the upper and lower ends of the bidirectional self-locking screw, a cover plate abutting the inner side of the movable fixing frame, a fixing groove provided on the upper surface of the cover plate abutting the inner wall of the fixing groove a fixing column movably connected to the fixing groove, one end of the fixing column being fixedly connected to the movable fixing frame, a photovoltaic AC combiner box body fixedly connected to the lower surface of the cover plate abutting the upper surface of the cover plate a rotating rod rotatably connected to the upper surface of the cover plate abutting the upper end of the rotating rod a gear fixedly connected to one end, a rack meshing with the outer surface of the gear a baffle fixedly connected to one end of the rack.

[0005] According to the present invention, a photovoltaic AC combiner box that is easy to install is provided with ventilation holes on both sides of the main body of the photovoltaic AC combiner box. The outer surface of the baffle is in contact with both sides of the main body of the photovoltaic AC combiner box. The ventilation holes can effectively dissipate heat and reduce the internal temperature of the equipment. When the baffle is in close contact with the main body of the photovoltaic AC combiner box, it can prevent dust and foreign objects from entering.

[0006] According to the present invention, a photovoltaic AC combiner box that is easy to install is provided. The outer surface of the movable fixing frame is slidably connected to the support frame. The upper and lower ends of the bidirectional self-locking screw are provided with threads with opposite directions of rotation. The rotation of the upper and lower ends of the bidirectional self-locking screw with threads with opposite directions of rotation can make the movable fixing frame move together towards the middle or move together outward, thereby realizing the installation and fixing of the main body of the photovoltaic AC combiner box.

[0007] According to the present invention, a photovoltaic AC combiner box that is easy to install is provided, wherein a cover plate is fixedly connected to the lower surface of the main body of the photovoltaic AC combiner box, and a sliding rod is fixedly connected to the inner side of the cover plate. The design of the sliding rod can make the movement of the cover plate more stable.

[0008] According to the present invention, a photovoltaic AC combiner box that is easy to install is provided, wherein one end of the sliding rod is fixedly connected to a limiting strip, and the outer surface of the sliding rod is slidably connected to the cover plate. The limiting strip can limit the movement range of the baffle, ensuring that the baffle will not slide out of the range during use, thereby improving safety.

[0009] According to the present invention, a photovoltaic AC combiner box that is easy to install is provided. The outer surface of the main body of the photovoltaic AC combiner box is hinged with an opening and closing door, and the outer surface of the opening and closing door is provided with an observation window. The hinged opening and closing door design makes the internal maintenance of the equipment simple, and the external observation window allows users to conveniently monitor the status of the equipment without opening the door.

[0010] According to the present invention, a photovoltaic AC combiner box that is easy to install is provided, wherein the upper ends of the rotating rod and the bidirectional self-locking screw are fixedly connected to a handle, and the gear is located inside the cover plate. The handle design provides better gripping force, allowing users to operate easily and make quick adjustments convenient.

[0011] According to the present invention, a photovoltaic AC combiner box that is easy to install is provided, wherein the upper surface of the rack is slidably connected to the cover plate one, and the position of the limiting strip is located inside the cover plate two. The sliding connection design between the rack and the cover plate one makes the adjustment process smoother and more efficient.

[0012] Beneficial effects

[0013] 1. Compared with the existing technology, this easy-to-install photovoltaic AC combiner box, by rotating the bidirectional self-locking screw on the support frame, causes the movable fixing frames at both ends of the bidirectional self-locking screw to clamp in the middle. When the fixing column on the movable fixing frame is inserted into the fixing groove of the cover plate, the installation and fixing of the main body of the photovoltaic AC combiner box is completed.

[0014] 2. Compared with the existing technology, this easy-to-install photovoltaic AC combiner box rotates by rotating the rotating rod on the cover plate to rotate the gear. The rotation of the gear causes the meshing rack to move the baffle, exposing the ventilation holes of the main body of the photovoltaic AC combiner box, thus achieving the blocking and opening of the ventilation holes. 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 an overall structural diagram of the photovoltaic AC combiner box of this utility model that is easy to install;

[0017] Figure 2 This is a schematic diagram of the baffle connection for the photovoltaic AC combiner box of this utility model, which is easy to install.

[0018] Figure 3 This is a schematic diagram of the connection of the movable fixing frame of the photovoltaic AC combiner box that is easy to install according to this utility model;

[0019] Figure 4 This is a schematic diagram of the gear connection of the photovoltaic AC combiner box of this utility model, which is easy to install.

[0020] Legend:

[0021] 1. Support frame; 2. Two-way self-locking screw; 3. Movable fixing frame; 4. Cover plate one; 5. Fixing groove; 6. Fixing column; 7. Rotating rod; 8. Gear; 9. Rack; 10. Baffle; 11. Sliding rod; 12. Limiting strip; 13. Cover plate two; 14. Photovoltaic AC combiner box body. Detailed Implementation

[0022] 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 textual description 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.

[0023] Reference Figure 1-4This utility model discloses an easy-to-install photovoltaic AC combiner box, comprising: a support frame 1, serving as the basic frame for installing and fixing the photovoltaic AC combiner box body 14 and photovoltaic modules; a bidirectional self-locking screw 2 rotatably connected to the upper surface of the support frame 1, which, by rotation, clamps the movable fixing frames 3 at both ends towards the middle; the upper and lower ends of the bidirectional self-locking screw 2 are threadedly connected to the movable fixing frames 3, which cooperate with cover plate 1 4 and cover plate 2 13 to install the photovoltaic AC combiner box body 14; the inner side of the movable fixing frame 3 is fitted with cover plate 1 4, which cooperates with the movable fixing frame 3 to install the photovoltaic AC combiner box body 14; the upper surface of cover plate 1 4 is provided with a fixing groove 5, which cooperates with a fixing post 6 to... The main body 14 of the photovoltaic AC combiner box is fixed. A fixed column 6 is movably connected to the inner wall of the fixed groove 5, which cooperates with the fixed groove 5 to fix the main body 14 of the photovoltaic AC combiner box. One end of the fixed column 6 is fixedly connected to the movable fixed frame 3. The main body 14 of the photovoltaic AC combiner box is fixedly connected to the lower surface of the cover plate 4, which is responsible for the collection and distribution of electrical energy. A rotating rod 7 is rotatably connected to the upper surface of the cover plate 4. The rotation of the rod 7 causes the gear 8 to rotate. One end of the rotating rod 7 is fixedly connected to the gear 8, so that the meshing rack 9 can drive the baffle 10 to move. The outer surface of the gear 8 is meshed with the rack 9 to provide a position for the installation of the baffle 10. One end of the rack 9 is fixedly connected to the baffle 10 to realize the blocking and opening of the ventilation hole.

[0024] Ventilation holes are provided on both sides of the photovoltaic AC combiner box body 14. The outer surface of the baffle 10 is in contact with both sides of the photovoltaic AC combiner box body 14. The outer surface of the movable fixing frame 3 is slidably connected to the support frame 1. The upper and lower ends of the bidirectional self-locking screw 2 are provided with threads in opposite directions. A cover plate 13 is fixedly connected to the lower surface of the photovoltaic AC combiner box body 14, which cooperates with the fixing column 6 to fix the photovoltaic AC combiner box body 14. A sliding rod 11 is fixedly connected to the inner side of the baffle 10, which cooperates with the limiting strip 12 to limit the movement of the baffle 10. The sliding rod 11 has a fixed limit bar 12 at one end, which cooperates with the sliding rod 11 to limit the movement range of the baffle 10. The outer surface of the sliding rod 11 is slidably connected to the cover plate 13. The outer surface of the photovoltaic AC combiner box body 14 is hinged with an opening and closing door. The outer surface of the opening and closing door is provided with an observation window. The upper ends of the rotating rod 7 and the bidirectional self-locking screw 2 are fixedly connected with a handle. The gear 8 is located inside the cover plate 4. The upper surface of the rack 9 is slidably connected to the cover plate 4. The limit bar 12 is located inside the cover plate 13.

[0025] Working principle: In use, first place the photovoltaic AC combiner box body 14 above the movable fixing frame 3 at the lower end of the bidirectional self-locking screw 2. Then, by rotating the bidirectional self-locking screw 2 on the support frame 1, the movable fixing frames 3 at both ends of the bidirectional self-locking screw 2 are clamped together in the middle. When the fixing post 6 on the movable fixing frame 3 at the upper end of the bidirectional self-locking screw 2 is inserted into the fixing groove 5 of the cover plate 4, the installation and fixing of the photovoltaic AC combiner box body 14 is completed. By rotating the rotating rod 7 on the cover plate 4, the gear 8 is rotated. The rotation of the gear 8 causes the meshing rack 9 to drive the baffle 10 to move, exposing the ventilation hole of the photovoltaic AC combiner box body 14, thus achieving the blocking and opening of the ventilation hole.

[0026] 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 photovoltaic AC combiner with easy installation, characterized in that, Include: Support frame (1), the upper surface of the support frame (1) is rotatably connected with a bidirectional self-locking screw rod (2), the upper end and the lower end of the bidirectional self-locking screw rod (2) are threadedly connected with a moving fixed frame (3), the inner side of the moving fixed frame (3) is attached with a cover plate one (4), the upper surface of the cover plate one (4) is provided with a fixed groove (5), the inner wall of the fixed groove (5) is movably connected with a fixed column (6), one end of the fixed column (6) is fixedly connected with the moving fixed frame (3), the lower surface of the cover plate one (4) is fixedly connected with a photovoltaic alternating current bus box main body (14), the upper surface of the cover plate one (4) is rotatably connected with a rotating rod (7), one end of the rotating rod (7) is fixedly connected with a gear (8), the outer surface of the gear (8) is meshedly connected with a rack (9), one end of the rack (9) is fixedly connected with a baffle (10).

2. The PV AC combiner with easy installation of claim 1, wherein, The both sides of the photovoltaic alternating current bus box main body (14) are provided with ventilation holes, the outer surface of the baffle (10) is attached with the both sides of the photovoltaic alternating current bus box main body (14).

3. The PV AC combiner with easy installation of claim 1, wherein, The outer surface of the moving fixed frame (3) is slidably connected with the support frame (1), the upper end and the lower end of the bidirectional self-locking screw rod (2) are provided with threads with opposite rotation directions.

4. The PV AC combiner with easy installation of claim 1, wherein, The lower surface of the photovoltaic alternating current bus box main body (14) is fixedly connected with a cover plate two (13), the inner side of the baffle (10) is fixedly connected with a sliding rod (11).

5. A PV AC combiner with easy installation according to claim 4, characterized in that, One end of the sliding rod (11) is fixedly connected with a limiting strip (12), the outer surface of the sliding rod (11) is slidably connected with the cover plate two (13).

6. The PV AC combiner with easy installation of claim 1, wherein, The outer surface of the photovoltaic alternating current bus box main body (14) is hingedly connected with an opening and closing door, the outer surface of the opening and closing door is provided with an observation window.

7. The PV AC combiner with easy installation of claim 1, wherein, The rotating rod (7) and the upper end of the bidirectional self-locking screw rod (2) are fixedly connected with a handle, the position of the gear (8) is located inside the cover plate one (4).

8. The PV AC combiner with easy installation of claim 5, wherein, The upper surface of the rack (9) is slidably connected with the cover plate one (4), the position of the limiting strip (12) is located inside the cover plate two (13).

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