Photovoltaic junction box for photovoltaic power generation

Abstract

The utility model discloses a photovoltaic junction box for photovoltaic power generation, which comprises a photovoltaic junction box body and a lead, a plurality of lower clamping seats are respectively and fixedly arranged in the photovoltaic junction box body, the inner walls of the top sides of the plurality of lower clamping seats are respectively provided with a first rubber layer, the photovoltaic junction box body is respectively provided with a plurality of threading holes, and the first rubber layer is provided with a second rubber layer. According to the utility model, when the second rubber layers on the plurality of upper clamping seats respectively abut against the corresponding wires, along with the continuous downward movement of the box cover, under the action of the plurality of elastic clamping assemblies, the wires are respectively inserted into the corresponding threading holes and are attached to the corresponding first rubber layers, so that the wires can be clamped by the plurality of upper clamping seats. The multiple upper clamping seats gradually press the corresponding wires downwards to be tighter, so that the wires are fixedly clamped between the first rubber layer and the second rubber layer, the multiple wires are automatically clamped, limited and fixed, and the situation that the multiple wires are separated from and fall off from the photovoltaic junction box body is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic junction box technical field especially relates to a kind of photovoltaic junction box for photovoltaic power generation. BACKGROUND

[0002] Photovoltaic junction box is the connecting device between solar cell array of solar cell module and solar charging control device, and its main role is to connect and protect solar photovoltaic module, connect the power generated by solar cell with external circuit.

[0003] In the prior art, the application number is: 202123391058.8 a kind of dustproof heat dissipation photovoltaic junction box for photovoltaic power generation, including photovoltaic junction box body, the photovoltaic junction box body is by box cover and junction photovoltaic junction box body connection combination, the front of the box cover is equipped with heat dissipation port, the quantity of the heat dissipation port is six, and six the heat dissipation port is sequentially equidistant arrangement, the inside of the junction photovoltaic junction box body is fixedly installed with support crossbeam, the bottom of support crossbeam is fixedly connected with the inside of junction photovoltaic junction box body by fixed beam, the bottom of junction photovoltaic junction box body is fixedly installed with terminal, the inside of junction photovoltaic junction box body is fixedly installed with electronic component, and it has the problem that: the photovoltaic junction box inside does not set up the mechanism for clamping and limiting wire, wire is prone to fall off from photovoltaic junction box in actual use process, therefore, we propose a kind of photovoltaic junction box for photovoltaic power generation, to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a photovoltaic junction box for photovoltaic power generation to solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A photovoltaic junction box for photovoltaic power generation, comprising a photovoltaic junction box body and wires, a plurality of lower clamping seats are fixedly installed in the photovoltaic junction box body respectively, the top side inner wall of the plurality of lower clamping seats is provided with a first rubber layer, a plurality of wire holes are respectively arranged on the photovoltaic junction box body, the plurality of wires are respectively inserted into the corresponding wire holes and are attached to the corresponding first rubber layer, a plurality of side grooves are respectively arranged on the top side of the photovoltaic junction box body, a limiting opening is arranged in each side groove, a same box cover is inserted into the plurality of side grooves, a plurality of circular chambers are respectively arranged in the box cover, a connecting plate is installed in each circular chamber through an elastic clamping assembly, the bottom end of the connecting plate is movably penetrated out of the box cover and is fixedly installed with an upper clamping seat, a second rubber layer is arranged on the inner wall of the bottom side of the upper clamping seat, the second rubber layer is attached to the wire, two cover body circular grooves are arranged in the box cover, two limiting plates are installed in the cover body circular grooves through an elastic connecting assembly, the ends of the two limiting plates away from each other are movably penetrated out of the box cover and are respectively inserted into the corresponding limiting openings, an adjusting assembly for the elastic connecting assembly is arranged on the box cover, and a wiring mechanism is arranged in the photovoltaic junction box body.

[0007] Preferably, a rubber ring is arranged in each wire hole, the rubber ring is sleeved on the wire, and the rubber material can increase the friction force of the contact area with the wire and also plays a role in protecting the wire.

[0008] Preferably, the elastic clamping assembly comprises a circular plate and a first spring, the circular plate is movably installed in the circular chamber, the circular plate is fixedly connected with the connecting plate, one end of the first spring is fixedly installed on the top side of the circular plate, and the other end of the first spring is fixedly installed on the top side inner wall of the circular chamber; under the action of the elastic clamping assembly, the upper clamping seat gradually presses the corresponding wire downward.

[0009] Preferably, one side of the lower clamping seat and the upper clamping seat is arranged in an arc-shaped structure, the sides of the lower clamping seat and the upper clamping seat close to each other are attached to each other, when the upper clamping seat clamps and fixes the wire on the lower clamping seat downward, the wire is fixedly clamped between the first rubber layer and the second rubber layer.

[0010] Preferably, the elastic connecting assembly comprises a connecting column and a second spring, two connecting columns are movably installed in the cover body circular groove, the ends of the two connecting columns away from each other are fixedly connected with the corresponding limiting plates, and one side of the two connecting columns close to each other is fixedly installed with a same second spring; when the two connecting columns slide close to each other in the cover body circular groove, the second spring is deformed and compressed under stress.

[0011] Preferably, the adjusting assembly comprises a top groove and a top plate, two top grooves are respectively arranged on the top side of the box cover, two top plates are movably installed in the two top grooves, and the two top plates are fixedly connected with the corresponding connecting columns, so that the top plate drives the connecting column to slide in the cover body circular groove.

[0012] Preferably, the two top grooves are symmetrically arranged, and the two top grooves are communicated with the corresponding cover body circular grooves respectively, so that the top plate can slide in the top groove.

[0013] Compared with the prior art, the photovoltaic junction box for photovoltaic power generation has the advantages that when the second rubber layers on the plurality of upper clamping seats are respectively abutted on the corresponding wires, the box cover is continuously moved downward, and under the action of the plurality of elastic clamping assemblies, the plurality of upper clamping seats are gradually pressed downward on the corresponding wires, so that the wires are fixed and clamped between the first rubber layers and the second rubber layers, thereby automatically achieving clamping, limiting and fixing of the plurality of wires, and the situation that the plurality of wires are separated and fall from the photovoltaic junction box body is avoided, then the two sets of top plates are loosened, and the box cover is fixed and installed on the photovoltaic junction box body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of a three-dimensional partial section of the utility model;

[0015] Figure 2 It is a structure schematic view of the utility model Figure 1 A part of the utility model;

[0016] Figure 3 It is a structure schematic view of a partial section of the utility model;

[0017] Figure 4 It is a structure schematic view of a partial section of the utility model from an explosion angle.

[0018] In the drawing: 1, photovoltaic junction box body; 2, wire; 3, lower clamping seat; 4, first rubber layer; 5, threading hole; 6, side groove; 7, limiting port; 8, box cover; 9, circular chamber; 10, connecting plate; 11, circular plate; 12, first spring; 13, upper clamping seat; 14, second rubber layer; 15, cover body circular groove; 16, limiting plate; 17, connecting column; 18, second spring; 19, top groove; 20, top plate; 21, wiring mechanism. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Embodiment: refer to Figures 1-4The utility model provides a kind of photovoltaic junction box for photovoltaic power generation, including photovoltaic junction box body 1 and wire 2, a plurality of lower clamping seat 3 are respectively fixedly installed in photovoltaic junction box body 1, the top side inner wall of a plurality of lower clamping seat 3 is all provided with first rubber layer 4, a plurality of threading holes 5 are respectively provided on photovoltaic junction box body 1, a plurality of wires 2 are respectively inserted into corresponding threading hole 5 and are attached on corresponding first rubber layer 4, the top side of photovoltaic junction box body 1 is respectively provided with a plurality of side grooves 6, a plurality of side grooves 6 are all provided with limiting port 7, a plurality of side grooves 6 are inserted with same box cover 8, a plurality of circular chambers 9 are respectively provided in box cover 8, connecting plate 10 is installed in circular chamber 9 by elastic clamping assembly, elastic clamping assembly includes round plate 11 and first spring 12, round plate 11 is movably installed in circular chamber 9, and round plate 11 is fixedly connected with connecting plate 10, one end of first spring 12 is fixedly installed on the top side of round plate 11, and the other end of first spring 12 is fixedly installed on the top side inner wall of circular chamber 9, under the action of elastic clamping assembly, make upper clamping seat 13 gradually more and more tight to corresponding wire 2 by pressing downwards;The bottom end of connecting plate 10 movably penetrates out of box cover 8 and is fixedly installed with upper clamping seat 13, and the bottom side inner wall of upper clamping seat 13 is provided with second rubber layer 14, which is attached to wire 2, two cover body circular grooves 15 are provided in box cover 8, two limiting plates 16 are installed in cover body circular groove 15 by elastic connecting assembly, and elastic connecting assembly includes connecting column 17 and second spring 18, two connecting columns 17 are movably installed in cover body circular groove 15, and the ends of the two connecting columns 17 away from each other are fixedly connected with corresponding limiting plate 16, and one second spring 18 is fixedly installed on the side of the two connecting columns 17 close to each other, when the two connecting columns 17 slide close in cover body circular groove 15, the second spring 18 is stressed to generate deformation compression;The ends of the two limiting plates 16 away from each other movably penetrate out of box cover 8 and are respectively inserted in corresponding limiting port 7, and the adjusting assembly for elastic connecting assembly is provided on box cover 8, and the wiring mechanism 21 is provided in photovoltaic junction box body 1, and the adjusting assembly includes top groove 19 and top plate 20, two top grooves 19 are respectively provided on the top side of box cover 8, two top plates 20 are movably installed in two top grooves 19, and two top plates 20 are fixedly connected with corresponding connecting column 17, so that the top plate 20 drives the connecting column 17 to slide in cover body circular groove 15.

[0021] Further, a rubber ring is provided in a plurality of threading holes 5, and the rubber ring is sleeved on the wire 2. The rubber material can increase the friction force of the contact area with the wire 2, and also plays a protective role for the wire 2.

[0022] Further, one side of the lower clamping seat 3 and the upper clamping seat 13 is provided in an arc-shaped structure, and the sides close to each other of the lower clamping seat 3 and the upper clamping seat 13 are attached. When the upper clamping seat 13 clamps and fixes the wire 2 on the lower clamping seat 3 downwards, the wire 2 is fixed and clamped between the first rubber layer 4 and the second rubber layer 14 at this time.

[0023] Further, the two top grooves 19 are symmetrically arranged, and the two top grooves 19 are respectively connected with the corresponding cover body circular groove 15, so as to facilitate the sliding of the top plate 20 in the top groove 19.

[0024] In use: the installer inserts one end of the plurality of wires 2 into the photovoltaic junction box body 1 through the corresponding threading hole 5 and adheres the first rubber layer 4 on the corresponding lower clamp seat 3, when the wiring of the plurality of wires 2 is completed, the installer synchronously adjusts the two sets of top plates 20, respectively makes the two sets of connecting columns 17 slide in the corresponding cover body circular groove 15, makes the two second springs 18 generate deformation compression under stress, and makes the two sets of limiting plates 16 recover into the box cover 8, then inserts the box cover 8 into the plurality of side grooves 6 on the photovoltaic junction box body 1, when the second rubber layer 14 on the plurality of upper clamp seats 13 abuts against the corresponding wire 2, gradually slides the connecting plate 10 and the circular plate 11 in the circular chamber 9 upwards with the continuous downward movement of the box cover 8, makes the first spring 12 generate deformation compression under stress, so as to fix and clamp the wire 2 between the first rubber layer 4 and the second rubber layer 14, then releases the two sets of top plates 20, respectively inserts the plurality of limiting plates 16 into the corresponding limiting port 7 under the elastic force of the two second springs 18, realizes the fixed installation of the box cover 8 on the photovoltaic junction box body 1, thus, the plurality of wires 2 are clamped, limited and fixed; therefore, the box cover 8 is inserted into the plurality of side grooves 6 in the photovoltaic junction box body 1, when the second rubber layer 14 on the plurality of upper clamp seats 13 abuts against the corresponding wire 2, gradually presses the plurality of upper clamp seats 13 downwards on the corresponding wire 2 under the action of the plurality of elastic clamping assemblies with the continuous downward movement of the box cover 8, so as to fix and clamp the wire 2 between the first rubber layer 4 and the second rubber layer 14, thereby automatically realizing the clamping, limiting and fixing of the plurality of wires 2, avoiding the disengagement and falling of the plurality of wires 2 from the photovoltaic junction box body 1, then releases the two sets of top plates 20, realizes the fixed installation of the box cover 8 on the photovoltaic junction box body 1.

[0025] It should be noted that, in the present text, the relational terms such as first and second and the like are used merely to differentiate one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between these entities or actions. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic junction box for photovoltaic power generation, comprising a photovoltaic junction box body (1) and a wire (2), characterized in that, A plurality of lower clamping seats (3) are fixedly installed in the photovoltaic junction box body (1), and the top inner walls of the plurality of lower clamping seats (3) are provided with a first rubber layer (4). The photovoltaic junction box body (1) is provided with a plurality of threading holes (5), and the plurality of wires (2) are respectively inserted into the corresponding threading holes (5) and attached to the corresponding first rubber layer (4). The top side of the photovoltaic junction box body (1) is provided with a plurality of side grooves (6), and the plurality of side grooves (6) are provided with a limited opening (7). The same box cover (8) is inserted into the plurality of side grooves (6), and the box cover (8) is provided with a plurality of circular chambers (9), and the circular chambers (9) are provided with a connecting plate (1) installed therein through an elastic clamping assembly. 0), the bottom end of the connecting plate (10) movably passes through the outside of the box cover (8) and is fixedly installed with an upper clamp seat (13), the inner wall of the bottom side of the upper clamp seat (13) is provided with a second rubber layer (14), the second rubber layer (14) is attached to the wire (2), two cover body circular grooves (15) are provided in the box cover (8), two limit plates (16) are installed in the cover body circular grooves (15) through elastic connection components, the ends of the two limit plates (16) away from each other are movably passed through the outside of the box cover (8) and are respectively inserted into the corresponding limit openings (7), the box cover (8) is provided with an adjustment component for the elastic connection component, and a wiring mechanism (21) is provided in the photovoltaic junction box body (1).

2. The photovoltaic junction box for photovoltaic power generation according to claim 1, characterized in that, A rubber ring is provided in each of the plurality of threading holes (5), and the rubber ring is sleeved on the wire (2).

3. The photovoltaic junction box for photovoltaic power generation according to claim 1, characterized in that, The elastic clamping assembly includes a circular plate (11) and a first spring (12). The circular plate (11) is movably installed in the circular chamber (9). The circular plate (11) is fixedly connected to the connecting plate (10). One end of the first spring (12) is fixedly installed on the top side of the circular plate (11), and the other end of the first spring (12) is fixedly installed on the inner wall of the top side of the circular chamber (9).

4. The photovoltaic junction box for photovoltaic power generation according to claim 1, characterized in that, One side of the lower clamping seat (3) and the upper clamping seat (13) are both arranged in an arc-shaped structure, and the sides of the lower clamping seat (3) and the upper clamping seat (13) that are close to each other are in contact with each other.

5. The photovoltaic junction box for photovoltaic power generation according to claim 1, characterized in that, The elastic connection assembly includes a connecting column (17) and a second spring (18). Two connecting columns (17) are movably installed in the circular groove (15) of the cover body. The ends of the two connecting columns (17) that are away from each other are fixedly connected to the corresponding limit plates (16), and the sides of the two connecting columns (17) that are close to each other are fixedly installed with the same second spring (18).

6. The photovoltaic junction box for photovoltaic power generation according to claim 1, characterized in that, The adjustment assembly comprises a top groove (19) and a top plate (20). Two top grooves (19) are respectively provided on the top side of the box cover (8). Two top plates (20) are movably installed in the two top grooves (19). The two top plates (20) are respectively fixedly connected to corresponding connecting columns (17).

7. A photovoltaic junction box for photovoltaic power generation according to claim 6, characterized in that, The two top grooves (19) are symmetrically arranged, and the two top grooves (19) are respectively connected to the corresponding cover body circular grooves (15).

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