Photovoltaic module wiring device for a photovoltaic power plant

Abstract

This utility model relates to the field of photovoltaic equipment technology, and in particular to a photovoltaic module wiring device for a photovoltaic power station. It includes a junction box with heat dissipation mechanisms on both sides. One side of the junction box has several insertion mechanisms, and a connecting wire mechanism is movably fitted onto the inner wall of each insertion mechanism. The size and shape of the insertion and connecting wire mechanisms are matched. Multiple insertion mechanisms are symmetrically distributed about the horizontal center line of the junction box. Support feet are provided at the four corners of the bottom of the junction box. This device can be used for photovoltaic module wiring operations in photovoltaic power stations, enabling convenient wiring and insertion of equipment, effective dust prevention, and improved wiring stability. Through the insertion limiting structure, connection stability is effectively guaranteed, ensuring both convenience and good dust prevention for the photovoltaic modules. Therefore, it can be used in various working environments and scenarios.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic equipment technology, specifically to a photovoltaic module wiring device for a photovoltaic power station. Background Technology

[0002] Photovoltaic power generation is a technology that uses the photovoltaic effect at the semiconductor interface to directly convert light energy into electrical energy. It mainly consists of three parts: solar panels (modules), controllers, and inverters. The main components are made of electronic components. Solar cells are connected in series and then encapsulated for protection to form large-area solar cell modules. Combined with power controllers and other components, a photovoltaic power generation device is formed.

[0003] Chinese utility model patent CN221487680U discloses a photovoltaic module wiring device, which includes "a wiring trough block welded to the front and rear surfaces of the photovoltaic junction box; and a pressure trough plate inserted and attached to the surface of the wiring trough block; both the wiring trough block and the pressure trough plate are connected to an arc-shaped limiting plate by a buffer spring on their inner sides; and a protective pad is adhered to the arc-shaped concave surface of the arc-shaped limiting plate"; however, the wiring trough and pressure trough plate used for wiring cannot effectively prevent dust after the wire is inserted. Utility Model Content

[0004] The purpose of this invention is to provide a photovoltaic module wiring device for a photovoltaic power station to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a photovoltaic module wiring device for a photovoltaic power station, including a junction box, heat dissipation mechanisms on both sides of the junction box, a plurality of plug-in mechanisms on one side of the junction box, a connecting wire mechanism movably sleeved on the inner wall of the plug-in mechanism, the size and shape of the plug-in mechanism and the connecting wire mechanism matching, the plurality of plug-in mechanisms being symmetrically distributed about the horizontal center line of the junction box, and support feet provided at the four corners of the bottom of the junction box;

[0006] The insertion mechanism includes an insertion conduit, with a terminal block on the inner wall of the insertion conduit. A limiting sleeve is provided on the side of the terminal block near the port. Several limiting grooves are distributed in a ring on the side of the limiting sleeve near the port. An annular rubber body is distributed in a ring outside the port of the insertion conduit.

[0007] The beneficial effects of this utility model are as follows: the combination of the insertion pipe, terminal block, limiting sleeve, limiting groove and annular rubber body, together with the connecting wire body, can realize quick wiring operation and ensure the stability and reliability of the connection. Furthermore, the dual combination of the annular rubber and the slot, and the limiting sleeve and the limiting block can ensure an effective sealing and dustproof effect.

[0008] To achieve good and stable wiring results:

[0009] The further configuration is as follows: the entire insertion pipe has a countersunk hole structure, and the countersunk head of the insertion pipe is provided with a limiting sleeve.

[0010] By adopting the above technical solutions, good and stable wiring operations can be achieved.

[0011] To achieve a good snap-fit ​​and prevent significant movement in the vertical axis direction after wiring:

[0012] Further configuration: the limiting groove can be a wedge-shaped, dovetail-shaped, or polygonal structure, and the axial dimension of the limiting groove is half the axial dimension of the limiting sleeve.

[0013] By adopting the above technical solution, good wiring can be ensured without any movement in the vertical axis direction.

[0014] To achieve a tight seal during the connection process and thus prevent dust accumulation:

[0015] The connection mechanism is further configured such that: the connection body includes a connection body, and a connector is provided on one side of the connection body; a limiting block is distributed in an annular shape at the end of the connection body away from the connector; a sealing sleeve is attached to the side of the limiting block away from the connector; a slot is provided on the side of the sealing sleeve near the connector; and an annular rubber body is movably fitted onto the inner wall of the slot.

[0016] By adopting the above technical solutions, a good dust prevention effect can be achieved in wiring operations.

[0017] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the main body of the present utility model;

[0019] Figure 2 This is a partial cross-sectional view of the main body of this utility model;

[0020] Figure 3 This is a front view schematic diagram of the connecting wire mechanism of this utility model;

[0021] Figure 4 This is a partial cross-sectional view of the connecting wire mechanism of this utility model.

[0022] In the diagram: 1. Junction box; 2. Heat dissipation mechanism; 3. Wire insertion mechanism; 301. Wire insertion conduit; 302. Terminal block; 303. Limiting sleeve; 304. Limiting groove; 305. Annular rubber body; 4. Connecting wire mechanism; 401. Connecting wire body; 402. Limiting block; 403. Sealing sleeve; 404. Slot; 405. Connector. Detailed Implementation

[0023] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of the present invention in any way.

[0024] Please see Figures 1 to 4 A photovoltaic module wiring device for a photovoltaic power station includes a junction box 1. Heat dissipation mechanisms 2 are provided on both sides of the junction box 1. Several plug-in mechanisms 3 are provided on one side of the junction box 1. A connecting wire mechanism 4 is movably sleeved on the inner wall of the plug-in mechanism 3. The size and shape of the plug-in mechanism 3 and the connecting wire mechanism 4 are matched. The multiple plug-in mechanisms 3 are symmetrically distributed about the horizontal center line of the junction box 1. Support feet are provided at the four corners of the bottom of the junction box 1.

[0025] The wiring mechanism 3 includes a wiring conduit 301, with a terminal block 302 on the inner wall of the wiring conduit 301. A limiting sleeve 303 is provided on the side of the terminal block 302 near the port. Several limiting grooves 304 are distributed in a ring on the side of the limiting sleeve 303 near the port. A ring-shaped rubber body 305 is distributed in a ring outside the port of the wiring conduit 301.

[0026] In this embodiment, as Figure 2 and Figure 3 As shown, the wiring conduit 301 has a countersunk hole structure, and the countersunk head of the wiring conduit 301 is provided with a limiting sleeve 303.

[0027] In this embodiment, as Figure 3 As shown, the limiting groove 304 can be a wedge-shaped, dovetail-shaped, or polygonal structure, and the axial dimension of the limiting groove 304 is half the axial dimension of the limiting sleeve 303.

[0028] In this embodiment, as Figure 3 and Figure 4 As shown, the connecting wire mechanism 4 includes a connecting wire body 401, and a connector 405 is provided on one side of the connecting wire body 401. A limiting block 402 is distributed in an annular shape at the end of the connecting wire body 401 away from the connector 405. A sealing sleeve 403 is overlapped on the side of the limiting block 402 away from the connector 405. A slot 404 is opened on the side of the sealing sleeve 403 near the connector 405, and an annular rubber body 305 is movably sleeved on the inner wall of the slot 404.

[0029] The photovoltaic module wiring device of this photovoltaic power station operates as follows:

[0030] First, place the junction box 1 on a stable work surface, and insert the connector 405 of the connecting cable body 401 into the wiring conduit 301, so that the connector 405 and the terminal block 302 are fitted together to achieve good contact, and the limiting block 402 is engaged with the corresponding limiting groove 304 on the limiting sleeve 303 to prevent the connecting cable body 401 from moving in the vertical axis direction. Then, fit the groove 404 on the sealing sleeve 403 with the annular rubber body 305, which is a sealing rubber (model: Sunray YS-2100), to ensure good sealing after connection and achieve dust prevention.

[0031] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0032] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The above examples are only for the purpose of helping to understand the method and core ideas of this utility model. The above description is only a preferred embodiment of this utility model. It should be noted that due to the limitations of textual expression, there are objectively infinite specific structures. For those skilled in the art, several improvements, modifications, or changes can be made without departing from the principles of this utility model, and the above technical features can also be combined in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without modification, should all be considered within the protection scope of this utility model.

Claims

1. A photovoltaic module wiring device for a photovoltaic power station, comprising a junction box (1), characterized in that: Heat dissipation mechanisms (2) are provided on both sides of the junction box (1). Several plug-in mechanisms (3) are provided on one side of the junction box (1). A connecting wire mechanism (4) is movably sleeved on the inner wall of the plug-in mechanism (3). The size and shape of the plug-in mechanism (3) and the connecting wire mechanism (4) are matched. The multiple plug-in mechanisms (3) are symmetrically distributed about the horizontal center line of the junction box (1). The four corners of the bottom of the junction box (1) are provided with support feet. The insertion mechanism (3) includes an insertion pipe (301), the inner wall of the insertion pipe (301) is provided with a terminal post (302), a limiting sleeve (303) is provided on the side of the terminal post (302) near the port, a plurality of limiting grooves (304) are distributed in a ring on the side of the limiting sleeve (303) near the port, and an annular rubber body (305) is distributed in a ring outside the port of the insertion pipe (301).

2. The photovoltaic module wiring device for a photovoltaic power station as described in claim 1, characterized in that: The insertion conduit (301) has a countersunk hole structure, and the countersunk head of the insertion conduit (301) is provided with a limiting sleeve (303).

3. The photovoltaic module wiring device for a photovoltaic power station as described in claim 1, characterized in that: The limiting groove (304) can be a wedge-shaped, dovetail-shaped or polygonal structure, and the axial dimension of the limiting groove (304) is half the axial dimension of the limiting sleeve (303).

4. A photovoltaic module wiring device for a photovoltaic power station as described in claim 1, characterized in that: The connecting wire mechanism (4) includes a connecting wire body (401), and a connector (405) is provided on one side of the connecting wire body (401). A limiting block (402) is distributed in a ring at one end of the connecting wire body (401) away from the connector (405), and a sealing sleeve (403) is overlapped on the side of the limiting block (402) away from the connector (405). A slot (404) is provided on the side of the sealing sleeve (403) near the connector (405), and an annular rubber body (305) is movably sleeved on the inner wall of the slot (404).

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