Photovoltaic junction box

Abstract

The utility model discloses a photovoltaic junction box, and specifically relates to the junction box field, the photovoltaic junction box comprises a box body and a cover plate, the inner wall of the box body is fixedly provided with a wiring assembly, a convenient cover opening structure is arranged between the cover plate and the box body, and the outer surface of the box body is provided with a fixed take-up structure. The fixed take-up structure comprises threaded hollow cylinders, the number of the threaded hollow cylinders is two, through the arrangement of the fixed take-up structure, under the action of the threaded hollow cylinders and the screw hole cylinders, auxiliary fixation can be carried out on the joint of the cable, then the cable is not prone to being separated from the box body, and meanwhile under the action of the winding frame, the cable can be wound around the box body. The winding frames are arranged on the two sides of the box body, so that the cables are wound on the outer surfaces of the winding frames, the winding frames are arranged on the two sides of the box body, then the cables can be wound separately, at the moment, the clamping plates can be driven to move under the action of the threaded rods, and then the clamping plates can be matched with the outer surfaces of the winding frames to fix the cables.

Description

Technical Field

[0001] The utility model relates to the technical field of junction boxes, in particular to a photovoltaic junction box. Background Art

[0002] A photovoltaic junction box refers to a connection device between the solar cell array composed of solar cell modules and the solar charging control device. Its main function is to connect and protect solar photovoltaic modules, connect the power generated by solar cells to external lines, and conduct the current generated by photovoltaic modules.

[0003] However, during use, the cables connected to the photovoltaic junction box will be entangled on the outside of the box body, which makes it very inconvenient to organize. The contact points between the cables and the box body are very easy to be pulled by external forces, which may cause the cables to break, thus affecting normal use. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that during use, the cables connected to the photovoltaic junction box will be entangled on the outside of the box body, which makes it very inconvenient to organize, and the contact parts between the cables and the box body are very easy to be pulled by external forces, which may cause the cables to break, thereby affecting normal use. A photovoltaic junction box technology is proposed to solve the problem that during use, the cables connected to the photovoltaic junction box will be entangled on the outside of the box body, which makes it very inconvenient to organize, and the contact parts between the cables and the box body are very easy to be pulled by external forces, which may cause the cables to break, thereby affecting normal use.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a photovoltaic junction box, comprising a box body and a cover plate, a wiring assembly is fixedly installed on the inner wall of the box body, a convenient opening structure is arranged between the cover plate and the box body, and a fixed wire-winding structure is arranged on the outer surface of the box body, and the fixed wire-winding structure comprises a threaded hollow cylinder, and the number of the threaded hollow cylinders is two, and the two threaded hollow cylinders are symmetrically fixedly connected to one side of the box body and connected to the interior of the box body, the outer surface of the threaded hollow cylinder is threadedly connected with a screw hole cylinder, the outer surface of the screw hole cylinder is fixedly connected with an anti-sliding block, and one side of the outer surface of the screw hole cylinder is fixedly connected with an auxiliary ring block, and the auxiliary ring block is made of rubber.

[0006] The effects achieved by the above components are as follows: by setting a fixed wire-winding structure, the cable joints can be auxiliary fixed under the action of the threaded hollow cylinder and the screw hole cylinder, so that the cable will not be easily separated from the box body, and at the same time, under the action of the winding frame, the cable can be wound on the outer surface of the winding frame, and winding frames are provided on both sides of the box body, so that the cables can be wound separately, and at this time, the clamping plate can be driven to move under the action of the threaded rod, and then it can cooperate with the outer surface of the winding frame to fix the cable, and by setting a convenient cover opening structure, the cover plate can be separated from the box body under the action of the rotating rod and the rotating round block, and at this time, the cover plate can be fixed in a vertical or horizontal position under the action of the locking rod and the locking hole, so as not to affect the wiring operation inside the box body.

[0007] Preferably, both sides of the outer surface of the box body are fixedly connected with connecting plates, and one side of the outer surface of the connecting plate is fixedly connected with a connecting round rod.

[0008] The effect achieved by the above components is that the box body can be connected and fixed to the connecting round rod by arranging the connecting plate and the connecting round rod.

[0009] Preferably, one end of the connecting round rod is fixedly connected to a winding frame, and the outer surface of the winding frame is fixedly connected to a layer of rubber film.

[0010] The effect achieved by the above components is that the cable can be wound around the outer surface of the winding frame by providing the winding frame.

[0011] Preferably, a rectangular auxiliary plate is fixedly connected to one side edge of the outer surface of the connecting plate, a threaded rod is threadedly connected to the inner wall of the rectangular auxiliary plate, and a clamping plate is rotatably connected to one end of the threaded rod.

[0012] The effect achieved by the above components is: by arranging the threaded rod and the clamping plate, the threaded rod can drive the clamping plate to move, and then cooperate with the winding frame to fix it.

[0013] Preferably, one side of the outer surface of the clamping plate is fixedly connected to a limiting round rod, and the limiting round rod is slidably arranged on the inner wall of the rectangular auxiliary plate.

[0014] The effect achieved by the above components is: by setting the limiting round rod, the clamping plate can be limited, thereby facilitating the threaded rod to drive its movement.

[0015] Preferably, the convenient lid opening structure includes a U-shaped frame, one side of the outer surface of the U-shaped frame is fixedly connected to one side of the outer surface of the box body, a rotating rod is rotatably connected between the two sides of the inner wall of the U-shaped frame, the outer surface of the rotating rod is fixedly connected to a rotating round block, the outer surface of the rotating round block is fixedly connected to an L-shaped connecting rod, and the end of the L-shaped connecting rod away from the rotating round block is fixedly connected to one side of the outer surface of the cover plate.

[0016] The effect achieved by the above components is that the cover plate and the box body can be separated by arranging the rotating rod and the rotating round block.

[0017] Preferably, one end of the rotating rod passes through the U-shaped frame and is fixedly connected to an operating round block, a locking rod is inserted into the inner wall of the operating round block, and four locking holes are opened on the inner wall of one side of the U-shaped frame. The four locking holes are equidistantly arranged in a circle on one side of the U-shaped frame, and the locking rod can be locked into the inner wall of the locking hole.

[0018] The effect achieved by the above components is that the cover plate and the box body can be fixed by arranging the locking rods and the locking holes.

[0019] In summary, the beneficial effects of the utility model are:

[0020] 1. By setting up a fixed wire-receiving structure, the joint of the cable can be assisted and fixed under the action of the threaded hollow cylinder and the screw hole cylinder, so that the cable will not be easily separated from the box body. At the same time, under the action of the winding frame, the cable can be wound on the outer surface of the winding frame, and winding frames are provided on both sides of the box body, so that the cables can be wound separately. At this time, the clamping plate can be driven to move under the action of the threaded rod, and then it can cooperate with the outer surface of the winding frame to fix the cable.

[0021] 2. By setting up a convenient cover opening structure, the cover plate can be separated from the box body under the action of the rotating rod and the rotating round block. At this time, the cover plate can be fixed in a vertical or horizontal position under the action of the locking rod and the locking hole, thereby not affecting the wiring operation inside the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a schematic diagram of the three-dimensional structure of the winding frame of the utility model;

[0024] Figure 3 It is a three-dimensional structural schematic diagram of the box body of the utility model;

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the cover plate of the utility model.

[0026] Legend: 1. Box body; 2. Cover plate; 3. Fixed wire-receiving structure; 31. Connecting plate; 32. Connecting round rod; 33. Winding frame; 34. Rectangular auxiliary plate; 35. Threaded rod; 36. Clamping plate; 37. Limiting round rod; 38. Threaded hollow cylinder; 39. Screw hole cylinder; 310. Auxiliary ring block; 4. Convenient cover opening structure; 41. U-shaped frame; 42. Rotating rod; 43. Operating round block; 44. Rotating round block; 45. L-shaped connecting rod; 46. Positioning rod; 47. Positioning hole; 5. Wiring assembly. DETAILED DESCRIPTION

[0027] Reference Figure 1-4 As shown, the utility model provides a technical solution: a photovoltaic junction box, comprising a box body 1 and a cover plate 2, a wiring assembly 5 is fixedly installed on the inner wall of the box body 1, a convenient opening structure 4 is arranged between the cover plate 2 and the box body 1, and a fixed wire-receiving structure 3 is arranged on the outer surface of the box body 1.

[0028] The specific configuration and function of the convenient cover opening structure 4 and the fixed wire-receiving structure 3 are described in detail below.

[0029] Reference Figure 2 and Figure 3 As shown, in this embodiment: the fixed wire-winding structure 3 includes a threaded hollow cylinder 38, the number of the threaded hollow cylinders 38 is two, the two threaded hollow cylinders 38 are symmetrically fixedly connected to one side of the box body 1 and are connected to the inside of the box body 1, the outer surface of the threaded hollow cylinder 38 is threadedly connected with a screw hole cylinder 39, the outer surface of the screw hole cylinder 39 is fixedly connected with an anti-sliding block, one side of the outer surface of the screw hole cylinder 39 is fixedly connected with an auxiliary ring block 310, the auxiliary ring block 310 is made of rubber material, both sides of the outer surface of the box body 1 are fixedly connected with connecting plates 31, one side of the outer surface of the connecting plate 31 is fixedly connected with a connecting round rod 32, by arranging the connecting plate 31 and the connecting round rod 32, the box body 1 can be connected and fixed with the connecting round rod 32, and one end of the connecting round rod 32 is fixedly connected with a winding frame 3 3. A rubber film is fixedly connected to the outer surface of the winding frame 33. By setting the winding frame 33, the cable can be wound on the outer surface of the winding frame 33. A rectangular auxiliary plate 34 is fixedly connected to one side edge of the outer surface of the connecting plate 31. A threaded rod 35 is threadedly connected to the inner wall of the rectangular auxiliary plate 34. One end of the threaded rod 35 is rotatably connected to a clamping plate 36. By setting the threaded rod 35 and the clamping plate 36, the threaded rod 35 can drive the clamping plate 36 to move, and then cooperate with the winding frame 33 to fix it. A limiting round rod 37 is fixedly connected to one side of the outer surface of the clamping plate 36. The limiting round rod 37 is slidably set on the inner wall of the rectangular auxiliary plate 34. By setting the limiting round rod 37, the clamping plate 36 can be limited, so as to facilitate the threaded rod 35 to drive it to move.

[0030] Reference Figure 4 As shown, in this embodiment: the convenient cover opening structure 4 includes a U-shaped frame 41, one side of the outer surface of the U-shaped frame 41 is fixedly connected to one side of the outer surface of the box body 1, and a rotating rod 42 is rotatably connected between the two sides of the inner wall of the U-shaped frame 41, and the outer surface of the rotating rod 42 is fixedly connected to a rotating round block 44, and the outer surface of the rotating round block 44 is fixedly connected to an L-shaped connecting rod 45, and the end of the L-shaped connecting rod 45 away from the rotating round block 44 is fixedly connected to one side of the outer surface of the cover plate 2. The movable circular block 44 can separate the cover plate 2 from the box body 1. One end of the rotating rod 42 passes through the U-shaped frame 41 and is fixedly connected to the operating circular block 43. A locking rod 46 is inserted into the inner wall of the operating circular block 43. Four locking holes 47 are opened on the inner wall of one side of the U-shaped frame 41. The four locking holes 47 are equidistantly arranged on one side of the U-shaped frame 41. The locking rod 46 can be locked into the inner wall of the locking hole 47. By setting the locking rod 46 and the locking hole 47, the cover plate 2 and the box body 1 can be fixed.

[0031] Working principle, when in use, the cable is fixed to the wiring assembly 5 inside the box body 1, and is then led out from the threaded hollow cylinder 38. At this time, the screw hole cylinder 39 is rotated to fix it to the cable. At this time, the cable is wound around the outer surface of the winding frame 33. At this time, the threaded rod 35 is rotated so that the threaded rod 35 can drive the clamping plate 36 to move, and then the clamping plate 36 can be fixed with the winding frame 33. At this time, the cover plate 2 is rotated so that the L-shaped connecting rod 45 can drive the rotating ball block 44 and the rotating rod 42 to rotate, and then the operating ball block 43 can be driven to rotate. At this time, the locking rod 46 is pressed so that the locking rod 46 can be locked into the inner wall of the locking hole 47.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A photovoltaic junction box, comprising a box body (1) and a cover plate (2), characterized in that: A wiring assembly (5) is fixedly installed on the inner wall of the box body (1); a convenient cover opening structure (4) is provided between the cover plate (2) and the box body (1); a fixed wire-receiving structure (3) is provided on the outer surface of the box body (1); the fixed wire-receiving structure (3) comprises a threaded hollow cylinder (38); the number of the threaded hollow cylinders (38) is two; the two threaded hollow cylinders (38) are symmetrically fixedly connected to one side of the box body (1) and communicated with the interior of the box body (1); the outer surface of the threaded hollow cylinder (38) is threadedly connected to a screw hole cylinder (39); the outer surface of the screw hole cylinder (39) is fixedly connected to an anti-sliding block; one side of the outer surface of the screw hole cylinder (39) is fixedly connected to an auxiliary ring block (310); the auxiliary ring block (310) is made of rubber.

2. A photovoltaic junction box according to claim 1, characterized in that: Both sides of the outer surface of the box body (1) are fixedly connected to connecting plates (31), and one side of the outer surface of the connecting plate (31) is fixedly connected to a connecting round rod (32).

3. A photovoltaic junction box according to claim 2, characterized in that: One end of the connecting round rod (32) is fixedly connected to a winding frame (33), and the outer surface of the winding frame (33) is fixedly connected to a layer of rubber film.

4. A photovoltaic junction box according to claim 3, characterized in that: A rectangular auxiliary plate (34) is fixedly connected to one side edge of the outer surface of the connecting plate (31), a threaded rod (35) is threadedly connected to the inner wall of the rectangular auxiliary plate (34), and one end of the threaded rod (35) is rotatably connected to a clamping plate (36).

5. A photovoltaic junction box according to claim 4, characterized in that: One side of the outer surface of the clamping plate (36) is fixedly connected to a limiting round rod (37), and the limiting round rod (37) is slidably arranged on the inner wall of the rectangular auxiliary plate (34).

6. A photovoltaic junction box according to claim 1, characterized in that: The convenient cover opening structure (4) comprises a U-shaped frame (41), one side of the outer surface of the U-shaped frame (41) is fixedly connected to one side of the outer surface of the box body (1), a rotating rod (42) is rotatably connected between two sides of the inner wall of the U-shaped frame (41), the outer surface of the rotating rod (42) is fixedly connected to a rotating round block (44), the outer surface of the rotating round block (44) is fixedly connected to an L-shaped connecting rod (45), and one end of the L-shaped connecting rod (45) away from the rotating round block (44) is fixedly connected to one side of the outer surface of the cover plate (2).

7. A photovoltaic junction box according to claim 6, characterized in that: One end of the rotating rod (42) passes through the U-shaped frame (41) and is fixedly connected to an operating round block (43); a locking rod (46) is inserted into the inner wall of the operating round block (43); four locking holes (47) are opened on the inner wall of one side of the U-shaped frame (41); the four locking holes (47) are equidistantly arranged on one side of the U-shaped frame (41); and the locking rod (46) can be locked into the inner wall of the locking hole (47).

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