A novel distributed photovoltaic power generation busbar box with protection function

Abstract

The application belongs to the technical field of photovoltaic power generation bus box equipment, and discloses a novel distributed photovoltaic power generation bus box with a protection function. The utility model discloses a box body, the outgoing line hole is passed through and is set up in the bottom chamber of box body, is equipped with scratchproof mechanism above the outgoing line hole, the scratchproof mechanism includes the support frame who is located above the outgoing line hole, the inside surface fixedly connected with telescopic link of support frame, spring body is embedded in the outside of telescopic link and is connected with the activity, the one end fixedly connected with motion plate of telescopic link, the inside surface fixedly connected with the box of box body, the wire binding mechanism is equipped with one side of the box, the wire binding mechanism includes the clamping plate that is clamped and is connected with the one side surface of the box activity, when the cable is taken out from the outgoing line hole, the motion plate in scratchproof mechanism can play the buffering and supporting effect to the cable under the action of telescopic link and spring body.

Description

Technical Field

[0001] This utility model relates to the technical field of photovoltaic power generation combiner box equipment, and in particular to a new type of distributed photovoltaic power generation combiner box with protective function. Background Technology

[0002] A distributed photovoltaic (PV) combiner box is a wiring device in a PV power generation system that ensures the orderly connection and current collection of PV modules. It acts as a "bridge" between the PV array and the inverter, undertaking multiple functions such as current collection, safety protection, and intelligent monitoring. It can combine and connect multiple PV arrays connected in series in the system into a single DC output. Then, through the use of controllers, DC distribution cabinets, PV inverters, AC distribution cabinets, etc., a complete PV power generation system is formed, enabling grid connection. Inside the distributed PV combiner box, electrical components are connected and combined via cables.

[0003] However, the existing technology still has the following problems: the existing distributed photovoltaic power generation combiner boxes generally extend the cables directly from the outlet holes set on the box to the outside. In actual application, when the cables are pulled, they will directly contact the edge of the outlet hole, generating friction, which can easily cause the cable sheath to be scratched. It is difficult to effectively protect the cables. Moreover, when organizing the cables connected to the electrical components inside the box, they are generally organized directly by the cable tie plate. It is difficult to conveniently adjust the spacing of the cable tie plate according to the layout and thickness of the cables, which is not conducive to the promotion and use. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a novel distributed photovoltaic power generation combiner box with protective functions.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: A novel distributed photovoltaic power generation combiner box with protective function includes a box body. A wire outlet hole is opened through the bottom of the inner cavity of the box body. An anti-scratch mechanism is provided above the wire outlet hole. The anti-scratch mechanism includes a support frame located above the wire outlet hole. A telescopic rod is fixedly connected to the inner surface of the support frame. A spring body is movably connected to the outer side of the telescopic rod. A moving plate is fixedly connected to one end of the telescopic rod. A sleeve is fixedly connected to the inner surface of the box body. A wire-binding mechanism is provided on one side of the sleeve. The wire-binding mechanism includes a clamping plate that is movably connected to the side surface of the sleeve. A vertical plate is fixedly connected to one end of the clamping plate. A wire-binding plate is slidably connected to one side surface of the vertical plate. A bonding plate is slidably connected to the side surface of the vertical plate away from the wire-binding plate.

[0006] Furthermore, the number of support frames is the same as the number of cable outlet holes, and the bottom surface of the support frame is fixedly connected to the housing.

[0007] By adopting the above technical solution, the cable passes through the support frame and then through the outlet hole, and the moving plate inside the support frame has a limiting effect on the cable.

[0008] Furthermore, one end of the spring body is fixedly connected to the support frame, and the other end of the spring body away from the support frame is fixedly connected to the motion plate.

[0009] By adopting the above technical solution, the moving plate will compress the spring body when it moves, causing the spring body to deform and generate elastic force.

[0010] Furthermore, the two sides of the motion plate are slidably connected to the inner surface of the support frame, and a ball bearing is movably connected to the side of the motion plate away from the telescopic rod.

[0011] By adopting the above technical solution, the ball bearings reduce the friction of the cable.

[0012] Furthermore, a tightening screw is threaded through the top surface of the sleeve, and a screw hole matching the structural dimensions of the tightening screw is opened on the top surface of the card plate.

[0013] By adopting the above technical solution, the sleeve is connected to the card plate by inserting a tightening screw.

[0014] Furthermore, a sliding block is fixedly connected to the surface of the bonding plate near the wire harness plate, and one end of the sliding block is fixedly connected to the wire harness plate.

[0015] By adopting the above technical solution, the bonding block and the wire harness plate are connected by a sliding block.

[0016] Furthermore, the top surface of the vertical plate is coated with a scale layer, and a groove matching the structural size of the sliding block is formed through one side surface of the vertical plate.

[0017] By adopting the above technical solution, when the bonding plate and the wire harness plate move, the sliding block slides in the groove.

[0018] Furthermore, a bonding screw is threadedly connected to one side of the bonding plate, and a threaded hole matching the structural dimensions of the bonding screw is opened on one side of the vertical plate.

[0019] By adopting the above technical solution, the bonding plate is connected to the vertical plate by bonding screws.

[0020] In summary, this utility model has the following beneficial effects:

[0021] 1. In this application, an anti-scratch mechanism is provided above the cable outlet hole. When the cable passes through the cable outlet hole, the moving plate in the anti-scratch mechanism can buffer and support the cable under the action of the telescopic rod and the spring body. The ball bearing on one side of the moving plate reduces the friction. The combination of the telescopic rod and the spring body allows the moving plate to make a certain degree of adaptive adjustment according to the thickness and position of the cable, avoiding direct friction between the cable and the edge of the cable outlet hole, thereby protecting the cable, extending the service life of the cable, and reducing the risk of failure and maintenance costs caused by cable damage.

[0022] 2. In this application, by setting up a cable management mechanism, the cables connecting the electrical components inside the enclosure can be better organized. The positions of the cable management plate and the bonding plate can be flexibly adjusted according to the layout and thickness of the cables, so that the cables are neatly arranged between the cable management plate and the bonding plate, avoiding the cables being messy and disorganized, preventing the phenomenon of cables getting tangled, overheating and catching fire, and facilitating subsequent maintenance and management. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This utility model Figure 1 Schematic diagram of the structure at point A;

[0025] Figure 3 This is a schematic diagram showing the details of the anti-scratch mechanism of this utility model;

[0026] Figure 4 This is a structural schematic diagram showing the details of the cable outlet hole of this utility model;

[0027] Figure 5 This is a structural schematic diagram showing the details of the anti-scratch mechanism of this utility model.

[0028] In the diagram: 1. Housing; 2. Cable outlet; 3. Anti-scratch mechanism; 31. Support frame; 32. Telescopic rod; 33. Spring body; 34. Motion plate; 35. Ball bearing; 4. Sleeve box; 5. Cable harness mechanism; 51. Clamping plate; 52. Vertical plate; 53. Cable harness plate; 54. Adhesive plate; 55. Sliding block; 56. Slide groove; 57. Adhesive screw; 6. Tightening screw. Detailed Implementation

[0029] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0030] like Figure 1-5As shown in the illustration, this application discloses a novel distributed photovoltaic power generation combiner box with protective functions, including a box body 1. A surge arrester is installed inside the box body 1 to effectively protect it. A cable outlet hole 2 is provided through the bottom of the inner cavity of the box body 1. An anti-scratch mechanism 3 is provided above the cable outlet hole 2. The anti-scratch mechanism 3 includes a support frame 31 located above the cable outlet hole 2. The number of support frames 31 is the same as the number of cable outlet holes 2. The bottom surface of the support frame 31 is fixedly connected to the box body 1. Before the cable exits through the cable outlet hole 2 at the bottom of the inner cavity of the box body 1, it needs to pass through the support frame 31. A telescopic rod 32 is fixedly connected to the inner surface of the support frame 31, and a spring body 33 is movably connected to the outer side of the telescopic rod 32. One end of the spring body 33 is fixedly connected to the support frame 31, and the other end of the spring body 33 away from the support frame 31 is fixedly connected to the moving plate 34. When the cable contacts the moving plate 34 in the anti-scratch mechanism 3, the telescopic rod 32 will retract under the compression of the cable, and the spring body 33 will be compressed, thus buffering the cable. One end of the telescopic rod 32 is fixedly connected to the moving plate 34. The two sides of the moving plate 34 are slidably connected to the inner surface of the support frame 31. The side of the moving plate 34 away from the telescopic rod 32 is fitted with a ball bearing 35. The cable contacts the ball bearing 35 during movement. The rolling characteristics of the ball bearing 35 greatly reduce the friction between the cable and the moving plate 34.

[0031] A sleeve box 4 is fixedly connected to the inner surface of the box 1. A tightening screw 6 is threaded through the top surface of the sleeve box 4. A screw hole matching the structural size of the tightening screw 6 is opened on the top surface of the clamping plate 51. The clamping plate 51 of the wire harness mechanism 5 is snapped into and movably connected to one side surface of the sleeve box 4 fixedly connected to the inner surface of the box 1. Through the tightening screw 6 threaded through the top surface of the sleeve box 4 and the screw hole matching the structural size of the tightening screw 6 opened on the top surface of the clamping plate 51, the clamping plate 51 can be firmly fixed to the sleeve box 4.

[0032] A cable management mechanism 5 is provided on one side of the housing 4. The cable management mechanism 5 includes a retaining plate 51 that is movably connected to the surface of one side of the housing 4. A vertical plate 52 is fixedly connected to one end of the retaining plate 51. A sliding block 55 is fixedly connected to the surface of the bonding plate 54 near the cable management plate 53. One end of the sliding block 55 is fixedly connected to the cable management plate 53. The top surface of the vertical plate 52 is coated with a scale layer. A groove 56 matching the structural dimensions of the sliding block 55 is opened through one side of the vertical plate 52. The sliding block 55 can slide in the groove 56, causing the cable management plate 53 and the bonding plate 54 to slide and adhere to the surface of one side of the vertical plate 52. The top surface of the vertical plate 52 is coated with a scale layer to facilitate the operation of the cable management mechanism. The positions of the cable tray 53 and the bonding plate 54 are precisely adjusted using the scale. The cable tray 53 is slidably connected to one side of the vertical plate 52, and the bonding plate 54 is slidably connected to the side of the vertical plate 52 away from the cable tray 53. A bonding screw 57 is threaded through one side of the bonding plate 54. A threaded hole matching the structural dimensions of the bonding screw 57 is opened on one side of the vertical plate 52. After the cable tray 53 and the bonding plate 54 are adjusted to the appropriate positions, the bonding plate 54 and the vertical plate 52 are firmly fixed by the bonding screw 57 threaded through one side of the bonding plate 54 and the threaded hole matching the structural dimensions of the bonding screw 57 on one side of the vertical plate 52.

[0033] The working principle of a new type of distributed photovoltaic power generation combiner box with protective function in this embodiment is as follows: When in use, the electrical components inside the box 1 are connected by cables, the clamping plate 51 of the wire harness mechanism 5 is snapped and movably connected to one side surface of the sleeve 4 fixedly connected to the inner surface of the box 1, and the clamping plate 51 is firmly fixed to the sleeve 4 by inserting the screw 6.

[0034] Furthermore, the cable is placed between the cable trays 53. If the cable trays 53 need to be adjusted, the fitting screw 57 is rotated off. At this time, a sliding block 55 is fixedly connected to the surface of the fitting plate 54 near the cable tray 53. One end of the sliding block 55 is fixedly connected to the cable tray 53, and a groove 56 matching the structural size of the sliding block 55 is opened through one side surface of the vertical plate 52. The sliding block 55 can slide in the groove 56, driving the cable tray 53 and the fitting plate 54 to slide and fit together on one side surface of the vertical plate 52.

[0035] Furthermore, after the cable tray 53 and the bonding plate 54 are adjusted to the appropriate position, the bonding screw 57, which is threaded through one side of the bonding plate 54, and the threaded hole on one side of the vertical plate 52 that matches the structural size of the bonding screw 57, are used to firmly fix the bonding plate 54 and the vertical plate 52, thereby neatly arranging the cables between the cable tray 53 and the bonding plate 54 and avoiding the cables from being messy and disorganized.

[0036] Furthermore, when the cable passes through the outlet hole 2, it first passes through the gap between the moving plates 34 inside the support frame 31. When the cable contacts the moving plate 34 in the anti-scratch mechanism 3, since one side of the moving plate 34 is connected to the telescopic rod 32 and the spring body 33, and one end of the spring body 33 is fixedly connected to the support frame 31 and the other end is fixedly connected to the moving plate 34, the telescopic rod 32 will retract under the compression of the cable, and the spring body 33 will be compressed, thereby buffering the cable. The surface of the moving plate 34 away from the telescopic rod 32 is fitted with a ball bearing 35. The cable contacts the ball bearing 35 during movement, and the rolling characteristics of the ball bearing 35 greatly reduce the friction between the cable and the moving plate 34.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0038] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A novel distributed photovoltaic power generation combiner box with protective function, comprising a box body (1), characterized in that: The bottom of the inner cavity of the box (1) is provided with a cable outlet hole (2). A scratch-resistant mechanism (3) is provided above the cable outlet hole (2). The scratch-resistant mechanism (3) includes a support frame (31) located above the cable outlet hole (2). A telescopic rod (32) is fixedly connected to the inner surface of the support frame (31). A spring body (33) is movably connected to the outer side of the telescopic rod (32). A moving plate (34) is fixedly connected to one end of the telescopic rod (32). A sleeve box (4) is fixedly connected to the inner surface of the box (1). A wire-binding mechanism (5) is provided on one side of the sleeve box (4). The wire-binding mechanism (5) includes a clamping plate (51) that is movably connected to one side of the sleeve box (4). A vertical plate (52) is fixedly connected to one end of the clamping plate (51). A wire-binding plate (53) is slidably connected to one side of the vertical plate (52). A bonding plate (54) is slidably connected to the side of the vertical plate (52) away from the wire-binding plate (53).

2. A novel distributed photovoltaic power generation combiner box with protective function according to claim 1, characterized in that: The number of support frames (31) is the same as the number of outlet holes (2), and the bottom surface of the support frames (31) is fixedly connected to the box body (1).

3. A novel distributed photovoltaic power generation combiner box with protective function according to claim 1, characterized in that: One end of the spring body (33) is fixedly connected to the support frame (31), and the other end of the spring body (33) away from the support frame (31) is fixedly connected to the motion plate (34).

4. A novel distributed photovoltaic power generation combiner box with protective function according to claim 1, characterized in that: The two sides of the motion plate (34) are slidably connected to the inner surface of the support frame (31), and a ball bearing (35) is embedded and movably connected to the side of the motion plate (34) away from the telescopic rod (32).

5. A novel distributed photovoltaic power generation combiner box with protective function according to claim 1, characterized in that: The top surface of the sleeve (4) is threaded with a clamping screw (6), and the top surface of the card plate (51) is provided with a screw hole that matches the structural size of the clamping screw (6).

6. A novel distributed photovoltaic power generation combiner box with protective function according to claim 1, characterized in that: A sliding block (55) is fixedly connected to the surface of the bonding plate (54) near the wire harness plate (53), and one end of the sliding block (55) is fixedly connected to the wire harness plate (53).

7. A novel distributed photovoltaic power generation combiner box with protective function according to claim 6, characterized in that: The top surface of the vertical plate (52) is coated with a scale layer, and a groove (56) matching the structural size of the sliding block (55) is opened through one side surface of the vertical plate (52).

8. A novel distributed photovoltaic power generation combiner box with protective function according to claim 1, characterized in that: The bonding plate (54) has a bonding screw (57) threaded through one side surface, and the vertical plate (52) has a threaded hole on one side surface that matches the structural dimensions of the bonding screw (57).

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