Photovoltaic grid-connected cabinet with wiring port protection function

Abstract

The utility model relates to the technical field of photovoltaic grid-connected cabinets, in particular to a photovoltaic grid-connected cabinet with a wiring port protection function. Comprising a plurality of rectangular frames fixed to one side of a photovoltaic grid-connected cabinet body, a plurality of wiring ports are formed in one side of the photovoltaic grid-connected cabinet body, cables penetrate through the wiring ports in a sliding mode, the cables penetrate through the corresponding rectangular frames, two clamping plates are installed in each rectangular frame in a sliding mode, and the clamping plates are connected with the outer wall of the photovoltaic grid-connected cabinet body in a sliding mode. A clamping plate is arranged in the rectangular frame, a mounting groove is formed in the clamping plate, a clamping block is arranged in the mounting groove, an arc-shaped clamping groove is formed in the clamping block, the arc-shaped clamping groove is matched with a cable, and threaded through holes penetrate through the inner walls of the two sides of the rectangular frame. According to the photovoltaic grid-connected cabinet, through a simple clamping and sealing structure, a cable can be conveniently and effectively clamped, a wiring port can be effectively sealed, dust and insects can be effectively prevented from entering the photovoltaic grid-connected cabinet through the wiring port, and safe operation of the photovoltaic grid-connected cabinet is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic grid-connected cabinets, in particular to a photovoltaic grid-connected cabinet with a wiring port protection function. Background Art

[0002] With the continuous development of new energy technology, photovoltaic power generation technology has made great progress, and a large number of photovoltaic power generation equipment have been put into use. Photovoltaic power generation has problems related to power generation stability and weather. Therefore, a grid-connected cabinet is needed to realize the control of photovoltaic power generation entering the power grid. The prior art discloses a photovoltaic grid-connected cabinet with a wiring port protection function with an authorization announcement number of CN220209420U, including a main body, a connection port and a protective plate. A fixing block is provided on the top of the connection port, a connecting rod is provided inside the fixing block, a fixing ring is provided on the outer wall of the connection port, a fixing shaft is provided inside the protective plate, and a spring hook matched with the fixing ring is provided on the outer wall of the fixing shaft. There is no connection line inside the connection port. The protective plate will be located on the outer wall of the connection port to protect the connection port. When the protective plate is located on one side of the connection port, the spring hooks on both sides of the connection port will limit the position of the protective plate, which is conducive to preventing the protective plate from being blown up by the wind and exposing the inside of the connection port. The device is provided to prevent dust from entering the inside of the connection port, causing the parts inside the main body to short-circuit due to the accumulation of dust, which is conducive to improving the service life of the main body.

[0003] However, it was found during use that the above design is not convenient for clamping cables, which makes it difficult to effectively close the wiring ports where the cables are installed, resulting in dust and insects easily entering the grid-connected cabinet, which is not conducive to the safe operation of the grid-connected cabinet. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a photovoltaic grid-connected cabinet with a wiring port protection function, which is convenient for effectively clamping cables, can effectively seal the wiring ports, and can effectively prevent dust and insects from entering the photovoltaic grid-connected cabinet through the wiring ports, which is beneficial to the safe operation of the photovoltaic grid-connected cabinet and solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model adopts the following technical solution: a photovoltaic grid-connected cabinet with a wiring port protection function, comprising a plurality of rectangular frames fixed on one side of the photovoltaic grid-connected cabinet body, a plurality of wiring ports being arranged on one side of the photovoltaic grid-connected cabinet body, cables slidingly passing through the wiring ports, the cables passing through the corresponding rectangular frames, two clamping plates being slidably installed in the rectangular frames, the clamping plates being slidably connected to the outer walls of the photovoltaic grid-connected cabinet body, installation grooves being provided on the clamping plates, clamping blocks being provided in the installation grooves, arc-shaped grooves being provided on the clamping blocks, the arc-shaped grooves being adapted to the cables, threaded through holes being passed through the inner walls on both sides of the rectangular frame, screw rods being threaded through the threads in the threaded through holes, one end of the screw rods being rotatably connected to the corresponding clamping plates.

[0006] In order to effectively clamp cables of different thicknesses:

[0007] As a further improvement of the above technical solution: the mounting groove also includes two rectangular slots, which are arranged on an inner wall of one side of the mounting groove, and a card plate is slidably installed in the rectangular slot, one end of the card plate is fixed on the clamping block, and two pins are slidably penetrated on the card plate, and a chamber is arranged on the clamping plate, and two slides are slidably installed in the chamber, one end of the pin extends into the chamber and is fixed on the corresponding slide, a bidirectional screw rod is rotatably installed in the chamber, and the bidirectional screw rod thread passes through the corresponding two slides, a first bevel gear is fixedly sleeved on the bidirectional screw rod, a rotating rod is rotatably installed on the side of the clamping plate away from the main body of the photovoltaic grid-connected cabinet, one end of the rotating rod extends into the chamber and is fixedly installed with a second bevel gear, and the second bevel gear is meshed with the corresponding first bevel gear.

[0008] The beneficial effect of this improvement is that, through such an arrangement, it is convenient to quickly assemble and disassemble the clamping block, and then it is convenient to replace different clamping blocks, so that cables of different thicknesses can be effectively clamped, effectively expanding the scope of application.

[0009] To facilitate the positioning of the splint:

[0010] As a further improvement of the above technical solution: two slide grooves are provided on the top and bottom inner walls of the rectangular frame, and sliders are slidably installed in the slide grooves, and the sliders are fixed on corresponding clamping plates.

[0011] The beneficial effect of this improvement is that by providing the slide groove and the slider, it is convenient to limit the position of the splint.

[0012] In order to facilitate the rotation connection between the screw rod and the splint:

[0013] As a further improvement of the above technical solution: a circular groove is provided on one side of the clamping plate, and one end of the screw rod is rotatably installed in the corresponding circular groove.

[0014] The beneficial effect of this improvement is that the circular groove is provided to facilitate the rotational connection between the screw rod and the clamping plate.

[0015] To effectively fit the cable:

[0016] As a further improvement of the above technical solution: a rubber sealing pad is fixedly installed in the arc-shaped slot, and the rubber sealing pad is adapted to the cable.

[0017] The beneficial effect of this improvement is that by providing a rubber sealing pad, the cable can be effectively fitted.

[0018] In order to facilitate the pin to lock the pull plate:

[0019] As a further improvement of the above technical solution: two first through holes are penetrated on the top and bottom inner walls of the chamber, two pin holes are penetrated on the clamping plate, and the pin rod slides through the corresponding first through holes and pin holes.

[0020] The beneficial effect of this improvement is that by providing the pin hole, it is convenient for the pin rod to lock the pull plate.

[0021] In order to facilitate the support and limit of the bidirectional screw:

[0022] As a further improvement of the above technical solution: two transverse plates are fixedly installed in the chamber, and the bidirectional screw rod rotates and passes through the two transverse plates.

[0023] The beneficial effect of this improvement is that by providing a transverse plate, it is convenient to support and limit the bidirectional screw rod.

[0024] In order to facilitate the support and limit of the rotating rod:

[0025] As a further improvement of the above technical solution: a second through hole is penetrated on an inner wall of one side of the chamber, and the rotating rod rotates and penetrates the second through hole.

[0026] The beneficial effect of this improvement is that by providing the second through hole, it is convenient to support and limit the rotating rod.

[0027] The beneficial effects of the utility model are as follows: through a simple clamping and closing structure, the cables can be effectively clamped, and the wiring ports can be effectively closed, thereby effectively preventing dust and insects from entering the photovoltaic grid-connected cabinet through the wiring ports, which is beneficial to the safe operation of the photovoltaic grid-connected cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0029] Figure 2 For this utility model Figure 1A schematic diagram of the enlarged structure of part A;

[0030] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure of part B;

[0031] Figure 4 It is a schematic diagram of the top view and cross-section assembly structure of the clamping plate and the clamping block in the utility model;

[0032] Figure 5 It is a three-dimensional cross-sectional structural schematic diagram of the splint in the utility model.

[0033] In the figure: 1. photovoltaic grid-connected cabinet body; 2. rectangular frame; 3. wiring port; 4. cable; 5. clamping plate; 6. mounting slot; 7. clamping block; 8. arc-shaped slot; 9. screw rod; 10. threaded through hole; 11. rectangular slot; 12. clamping plate; 13. pin rod; 14. chamber; 15. slide plate; 16. bidirectional screw rod; 17. first bevel gear; 18. rotating rod; 19. second bevel gear. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0035] like Figure 1-5As shown, a photovoltaic grid-connected cabinet with a wiring port protection function comprises a plurality of rectangular frames 2 fixed on one side of a photovoltaic grid-connected cabinet body 1, a plurality of wiring ports 3 are arranged on one side of the photovoltaic grid-connected cabinet body 1, a cable 4 is slidably penetrated in the wiring port 3, the cable 4 penetrates the corresponding rectangular frame 2, two clamping plates 5 are slidably installed in the rectangular frame 2, the clamping plates 5 are slidably connected to the outer wall of the photovoltaic grid-connected cabinet body 1, a mounting groove 6 is provided on the clamping plate 5, a clamping block 7 is provided in the mounting groove 6, an arc-shaped card groove 8 is provided on the clamping block 7, the arc-shaped card groove 8 is adapted to the cable 4, threaded through holes 10 are penetrated on the inner walls of both sides of the rectangular frame 2, a screw rod 9 is threadedly penetrated in the threaded through hole 10, one end of the screw rod 9 is connected to the corresponding clamping plate 5 The rotating connection is convenient for effectively clamping the cable 4 through a simple clamping and closing structure, so that the wiring port 3 can be effectively closed, so that dust and insects can be effectively prevented from entering the photovoltaic grid-connected cabinet through the wiring port 3, which is beneficial to the safe operation of the photovoltaic grid-connected cabinet. The installation groove 6 also includes two rectangular card slots 11, and the rectangular card slots 11 are opened on the inner wall of one side of the installation groove 6. A card plate 12 is slidably installed in the rectangular card slot 11, and one end of the card plate 12 is fixed on the clamping block 7. Two pin rods 13 are slidably penetrated on the card plate 12. A chamber 14 is opened on the clamping plate 5, and two slide plates 15 are slidably installed in the chamber 14. One end of the pin rod 13 extends into the chamber 14 and is fixed on the corresponding slide plate 15. A bidirectional screw rod 16 is rotatably installed in the chamber 14, and the bidirectional screw rod 16 thread passes through the corresponding two slide plates 15. A first bevel gear 17 is fixedly sleeved on the bidirectional screw rod 16. A rotating rod 18 is rotatably installed on the side of the clamping plate 5 away from the photovoltaic grid-connected cabinet body 1. One end of the rotating rod 18 extends into the chamber 14 and is fixedly installed with a second bevel gear 19. The second bevel gear 19 is meshed with the corresponding first bevel gear 17. Through such an arrangement, it is convenient to quickly install and disassemble the clamping block 7, and then it is convenient to replace different clamping blocks 7, so that cables 4 of different thicknesses can be effectively clamped, which effectively expands the scope of application. Two sliding grooves are provided on the top and bottom inner walls of the rectangular frame 2, and a slider is slidably installed in the sliding groove. It is fixed on the corresponding clamping plate 5, and a sliding groove and a sliding block are provided to facilitate the limiting of the clamping plate 5. A circular groove is opened on one side of the clamping plate 5, and one end of the screw rod 9 is rotatably installed in the corresponding circular groove. The circular groove is provided to facilitate the rotational connection between the screw rod 9 and the clamping plate 5. A rubber sealing pad is fixedly installed in the arc-shaped card groove 8, and the rubber sealing pad is adapted to the cable 4. By providing the rubber sealing pad, the cable 4 can be effectively fitted. Two first through holes are penetrated on the top and bottom inner walls of the chamber 14, and two pin holes are penetrated on the card plate 12. The pin rod 13 slides through the corresponding first through hole and the pin hole. By providing the pin hole, it is convenient for the pin rod 13 to lock the pull plate 12. Two cross plates are fixedly installed in the chamber 14.The bidirectional screw rod 16 rotates and penetrates through the two horizontal plates. By providing the horizontal plates, the bidirectional screw rod 16 is supported and limited. A second through hole is penetrated on one side inner wall of the chamber 14. The rotating rod 18 rotates and penetrates through the second through hole. By providing the second through hole, the rotating rod 18 is supported and limited.

[0036] The working principle of the utility model is as follows: when in use, first pass the cable 4 through the corresponding wiring port 3, and then rotate the two screw rods 9 on the corresponding rectangular frame 2. While the two screw rods 9 rotate, the two clamping plates 5 are driven to slide in the rectangular frame 2 and approach each other, so that the two clamping blocks 7 are driven to approach each other until the cable 4 enters the two arc-shaped slots 8 and is clamped, and the wiring port 3 is closed. Through such a setting, it is convenient to effectively clamp the cable 4, and then the wiring port 3 can be effectively closed, so that dust and insects can be effectively prevented from entering the photovoltaic grid-connected cabinet through the wiring port 3, which is beneficial to the safe operation of the photovoltaic grid-connected cabinet. When it is necessary to clamp cables 4 of different thicknesses, first rotate the corresponding two rotating rods 18, the rotating rod 18 drives the second bevel gear 19 to rotate, the second bevel gear 19 drives the first bevel gear 17 to rotate, and the first bevel gear 17 drives the two-way The screw rod 16 rotates, so that the two slides 15 in the same chamber 14 are driven to approach each other, and the slide 15 drives the two pins 13 to slide away from the corresponding card plates 12, so that the fixation of the card plates 12 is released, and then the clamp block 7 is pulled out, so that the clamp block 7 is driven to slide out of the installation groove 6, and the clamp block 7 drives the two card plates 12 to slide out of the corresponding rectangular card grooves 11 respectively, and the clamp block 7 is removed, and then the required clamp block 7 is inserted into the installation groove 6, so that the card plate 12 is inserted into the corresponding rectangular card groove 11, and then the rotating rod 18 is rotated in the opposite direction, so that the card plate 12 is penetrated by the pin rod 13 again, and the clamp block 7 is replaced. Then, the cable 4 can be clamped. Through such a configuration, it is convenient to quickly install and disassemble the clamp block 7, and then it is convenient to replace different clamp blocks 7, so that cables 4 of different thicknesses can be effectively clamped, effectively expanding the scope of application.

[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0038] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A photovoltaic grid-connected cabinet with a wiring port protection function, comprising a plurality of rectangular frames (2) fixed to one side of a photovoltaic grid-connected cabinet body (1), a plurality of wiring ports (3) being provided on one side of the photovoltaic grid-connected cabinet body (1), a cable (4) slidingly passing through the wiring ports (3), characterized in that: The cable (4) passes through the corresponding rectangular frame (2), and two clamping plates (5) are slidably installed in the rectangular frame (2). The clamping plates (5) are slidably connected to the outer wall of the photovoltaic grid-connected cabinet body (1), and the clamping plates (5) are provided with a mounting groove (6). A clamping block (7) is provided in the mounting groove (6), and an arc-shaped card groove (8) is provided on the clamping block (7). The arc-shaped card groove (8) is adapted to the cable (4), and threaded through holes (10) are penetrated on the inner walls of both sides of the rectangular frame (2), and a screw rod (9) is penetrated by the inner thread of the threaded through hole (10), and one end of the screw rod (9) is rotatably connected to the corresponding clamping plate (5).

2. A photovoltaic grid-connected cabinet with wiring port protection function according to claim 1, characterized in that: The installation groove (6) further comprises two rectangular card grooves (11), wherein the rectangular card grooves (11) are provided on an inner wall of one side of the installation groove (6), a card plate (12) is slidably installed in the rectangular card groove (11), one end of the card plate (12) is fixed on the clamping block (7), two pin rods (13) are slidably penetrated on the card plate (12), a cavity (14) is provided on the clamping plate (5), two slide plates (15) are slidably installed in the cavity (14), one end of the pin rod (13) extends into the cavity (14) and is fixed on the clamping block (7). A bidirectional screw rod (16) is rotatably mounted on the corresponding slide plate (15) in the chamber (14), the bidirectional screw rod (16) is threadedly passed through the corresponding two slide plates (15), a first bevel gear (17) is fixedly sleeved on the bidirectional screw rod (16), a rotating rod (18) is rotatably mounted on the side of the clamping plate (5) away from the photovoltaic grid-connected cabinet body (1), one end of the rotating rod (18) extends into the chamber (14) and is fixedly mounted with a second bevel gear (19), and the second bevel gear (19) is meshed with the corresponding first bevel gear (17).

3. The photovoltaic grid-connected cabinet with wiring port protection function according to claim 1, characterized in that: Two slide grooves are provided on the top and bottom inner walls of the rectangular frame (2), and sliders are slidably installed in the slide grooves, and the sliders are fixed on the corresponding clamping plates (5).

4. The photovoltaic grid-connected cabinet with wiring port protection function according to claim 1, characterized in that: A circular groove is provided on one side of the clamping plate (5), and one end of the screw rod (9) is rotatably mounted in the corresponding circular groove.

5. The photovoltaic grid-connected cabinet with wiring port protection function according to claim 1, characterized in that: A rubber sealing pad is fixedly installed in the arc-shaped slot (8), and the rubber sealing pad is compatible with the cable (4).

6. A photovoltaic grid-connected cabinet with wiring port protection function according to claim 2, characterized in that: Two first through holes are penetrated on the top and bottom inner walls of the chamber (14), two pin holes are penetrated on the clamping plate (12), and the pin rod (13) slides through the corresponding first through holes and pin holes.

7. The photovoltaic grid-connected cabinet with wiring port protection function according to claim 2, characterized in that: Two transverse plates are fixedly installed in the chamber (14), and the bidirectional screw rod (16) rotates and passes through the two transverse plates.

8. The photovoltaic grid-connected cabinet with wiring port protection function according to claim 2, characterized in that: A second through hole is penetrated on one inner wall of the chamber (14), and the rotating rod (18) rotates to penetrate the second through hole.

Images