Photovoltaic junction box

Abstract

A photovoltaic junction box comprises a box body and a box cover, the box cover is buckled at a top opening of the box body in a sealing mode, a first buckle plate extending outwards is formed on the box body, a second buckle plate extending outwards is formed on the box cover, a buckle column is arranged on the first buckle plate, a buckle hole is formed in the second buckle plate, and an elastic ring is arranged on an inner ring of the buckle hole. According to the photovoltaic junction box provided by the utility model, the buckle plate structures are arranged on the side surfaces of the box body and the box cover to realize connection with the flexible photovoltaic assembly, the elastic rings are arranged on the inner rings of the buckle holes, so that the problem of breakage between the buckle columns and the buckle holes due to external acting force can be avoided, and the photovoltaic junction box has the characteristics of simple structure, convenience in assembly and the like; and popularization and use are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic technology, and in particular to a photovoltaic junction box. Background Technology

[0002] A photovoltaic junction box is a connection device that protects solar photovoltaic modules. It is 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 the solar photovoltaic modules, connect the power generated by the solar cells to the external line, and conduct the current generated by the photovoltaic modules.

[0003] Currently, photovoltaic (PV) junction boxes are mostly fastened to their covers with bolts. When assembled onto flexible PV modules, two through holes are typically made in the flexible PV module, and the junction box is then assembled using bolts. This structure is prone to tearing the PV module under external force, affecting its lifespan.

[0004] Therefore, in view of the shortcomings of existing technologies, it is necessary to design a photovoltaic junction box to solve the above problems. Utility Model Content

[0005] To overcome the shortcomings of the prior art, the present invention aims to provide a photovoltaic junction box.

[0006] To achieve the above and other related objectives, the technical solution provided by this utility model is: a photovoltaic junction box, including a box body and a box cover, wherein the box cover is sealed and fastened to the top opening of the box body, a first buckle plate extending outward is formed on the box body, and a second buckle plate extending outward is formed on the box cover, wherein the first buckle plate is provided with a buckle post, and the second buckle plate is provided with a buckle hole, wherein an elastic ring is provided on the inner circle of the buckle hole.

[0007] A preferred technical solution is as follows: the inner side of the opening of the box body is provided with a buckle groove, and the outer side of the box lid is provided with a buckle, the buckle being matched and matched with the buckle groove.

[0008] The preferred technical solution is as follows: a pressure block groove is provided at the wiring terminal in the box body, and a wire pressing block is embedded in the pressure block groove. The wire pressing block is configured to compress and fix the wire harness.

[0009] A preferred technical solution is that the top side of the box lid is provided with positive and negative markings.

[0010] Due to the application of the above technical solution, the beneficial effects of this utility model are as follows:

[0011] This utility model proposes a photovoltaic junction box, which achieves connection with flexible photovoltaic modules by setting a snap-on structure on the side of the box body and the box cover. By setting an elastic ring in the inner circle of the snap hole, the problem of breakage between the snap-on post and the snap hole due to external force can be avoided. It has the characteristics of simple structure and convenient assembly, and is suitable for widespread use. Attached Figure Description

[0012] Figure 1 This is an exploded view of the junction box involved in this utility model. Detailed Implementation

[0013] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0014] See also Figure 1 It should be noted that in the description of this utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. These terms are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," and "suspended," etc., do not indicate that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0015] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0016] Example:

[0017] like Figure 1As shown, according to the overall technical concept of this utility model, a photovoltaic junction box is provided, including a box body 1 and a box cover 2. The box cover 2 is sealed and fastened to the top opening of the box body 1. A first buckle plate 11 extending outward is formed on the box body 1, and a second buckle plate 21 extending outward is formed on the box cover 2. The first buckle plate 11 is provided with a buckle post 111, and the second buckle plate 21 is provided with a buckle hole 211. An elastic ring (not shown) is provided in the inner circle of the buckle hole 211.

[0018] like Figure 1 As shown, in an exemplary embodiment of this utility model, the inner side of the opening of the box body 1 is provided with a buckle groove 12, and the outer side of the box cover 2 is provided with a buckle 22, and the buckle 22 is correspondingly matched with the buckle groove 12.

[0019] like Figure 1 As shown, in an exemplary embodiment of the present invention, a pressure block groove 13 is provided at the wiring terminal in the box 1, and a wire pressing block 3 is embedded in the pressure block groove 13. The wire pressing block 3 is configured to press and fix the wire harness 4.

[0020] like Figure 1 As shown, in an exemplary embodiment of this utility model, the top side of the box cover 2 is provided with positive and negative markings (not shown) to identify positive and negative.

[0021] During installation, the first snap plate 11 on the box body 1 is placed on one side of the photovoltaic module, and the second snap plate 21 on the box cover 2 is placed on the other side of the photovoltaic module, so that the snap post 111 passes through the pre-reserved through hole on the photovoltaic module and is snapped and fixed with the snap hole 211. This structure will not damage the photovoltaic module and greatly improves the efficiency of on-site assembly of the junction box.

[0022] Therefore, this utility model has the following advantages:

[0023] This utility model proposes a photovoltaic junction box, which achieves connection with flexible photovoltaic modules by setting a snap-on structure on the side of the box body and the box cover. By setting an elastic ring in the inner circle of the snap hole, the problem of breakage between the snap-on post and the snap hole due to external force can be avoided. It has the characteristics of simple structure and convenient assembly, and is suitable for widespread use.

[0024] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A photovoltaic junction box, comprising a box body and a box cover, wherein the box cover is sealed and fastened to the top opening of the box body, characterized in that: The box body has a first buckle plate extending outward, and the box lid has a second buckle plate extending outward. The first buckle plate has a buckle post, and the second buckle plate has a buckle hole. The inner circle of the buckle hole has an elastic ring.

2. A photovoltaic junction box according to claim 1, characterized in that: The box body has a snap groove on the inside of the opening, and the box lid has a buckle on the outside. The buckle is matched and matched with the snap groove.

3. A photovoltaic junction box according to claim 1, characterized in that: The housing has a pressure block groove at the wiring terminal, and a wire pressing block is embedded in the pressure block groove. The wire pressing block is configured to press and fix the wire harness.

4. A photovoltaic junction box according to claim 1, characterized in that: The top side of the lid is marked with positive and negative symbols.

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