Photovoltaic junction box

Abstract

The utility model discloses a photovoltaic junction box, and belongs to the technical field of photovoltaic parts. The photovoltaic junction box comprises a photovoltaic junction box, a lower spacer block is installed in the photovoltaic junction box, an upper spacer block is hinged to the top of the lower spacer block, the lower spacer block and the upper spacer block are each provided with a row of arc-shaped grooves, the two arc-shaped grooves are matched to form a through groove, a connecting groove is formed in the top of the lower spacer block, a rectangular block is installed on the outer surface of the upper spacer block, and the rectangular block is matched in the connecting groove. According to the utility model, the wires are separated through the arc-shaped grooves and the rectangular blocks, so that the wires are limited in the through grooves, direct contact and mutual interference among the wires can be avoided, loss in a current transmission process is effectively reduced, the overall efficiency of a photovoltaic system is improved, heat accumulation among the wires is reduced through the branching structure, and the service life of the photovoltaic system is prolonged. Potential safety hazards caused by overheating are reduced, and long-term stable operation of a photovoltaic system is guaranteed.

Description

Technical Field

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

[0002] With the continued growth in global demand for renewable energy, solar photovoltaic technology has been widely applied and developed. As an important component of solar photovoltaic modules, the photovoltaic junction box plays a crucial role in connecting and transmitting current. Traditional photovoltaic junction box designs typically involve directly connecting multiple wires together and then leading them out through terminals or connectors.

[0003] In traditional junction boxes, multiple wires are directly connected together without effective separation measures. The wires are arranged in a messy manner, resulting in low space utilization and increased difficulty in installation and maintenance, as well as potential safety hazards. Utility Model Content

[0004] The purpose of this utility model is to provide a junction box for photovoltaic applications, which solves the problem of messy wire arrangement by separating the wires through the setting of arc grooves and rectangular blocks.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model relates to a photovoltaic junction box, comprising a photovoltaic junction box, a lower partition block installed inside the photovoltaic junction box, an upper partition block hinged to the top of the lower partition block, a row of arc-shaped grooves on both the lower and upper partition blocks, the two arc-shaped grooves fitting together to form a through groove, a connecting groove on the top of the lower partition block, a rectangular block installed on the outer surface of the upper partition block, the rectangular block fitting into the connecting groove, a sliding groove inside the lower partition block, the sliding groove communicating with the connecting groove, an L-shaped block slidingly fitting inside the sliding groove, and a limiting groove for fitting the L-shaped block on the rectangular block.

[0007] Furthermore, an installation groove is provided on the lower partition block, which is connected to the sliding groove, and a spring piece is connected inside the installation groove.

[0008] Furthermore, the L-shaped block has a limiting part and an abutting part. The abutting part is connected to the side wall of the limiting part, and the limiting part is slidably fitted in the groove. The top of the spring piece contacts the side wall of the abutting part.

[0009] Furthermore, protrusions are installed on the upper partition.

[0010] Furthermore, the top of the photovoltaic junction box is fitted with a top cover, and wiring holes are opened on both sides of the photovoltaic junction box.

[0011] Furthermore, the bottom of the photovoltaic junction box is equipped with four pins, each with a through hole.

[0012] This utility model has the following beneficial effects:

[0013] This utility model separates the wires by setting arc grooves and rectangular blocks, so that the wires are limited in the through grooves, thereby avoiding direct contact and mutual interference between the wires, effectively reducing the loss in the current transmission process, improving the overall efficiency of the photovoltaic system, and the wire separation structure also reduces the heat accumulation between the wires, reducing the safety hazards caused by overheating, and ensuring the long-term stable operation of the photovoltaic system.

[0014] This utility model uses an L-shaped block and a spring to fix a rectangular block. After the rectangular block is fitted into the connecting groove, the spring pushes the contact part to drive the limiting part into the limiting groove to fix the rectangular block. The operation is simple and convenient, which makes it easier to maintain the device and reduces the difficulty and cost of maintenance.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the junction box structure;

[0017] Figure 2 This is a schematic diagram of the internal structure of a photovoltaic junction box;

[0018] Figure 3 This is a schematic diagram of the upper and lower partitions;

[0019] Figure 4 This is a schematic diagram of the lower partition block.

[0020] In the diagram: 1. Photovoltaic junction box; 101. Top cover; 102. Wiring hole; 103. Pin; 2. Lower partition; 201. Arc groove; 202. Sliding groove; 203. Mounting groove; 204. Connecting groove; 3. Upper partition; 301. Protrusion; 4. Rectangular block; 401. Limiting groove; 5. L-shaped block; 501. Limiting part; 502. Abutting part; 6. Spring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4This utility model provides a technical solution: a photovoltaic junction box, including a photovoltaic junction box 1. A top cover 101 is fitted to the top of the photovoltaic junction box 1, and the top cover 101 is installed on the photovoltaic junction box 1 by four bolts. Wiring holes 102 are provided on both sides of the photovoltaic junction box 1. During wiring, wires pass through the wiring holes 102 and enter the photovoltaic junction box 1. Four pins 103 are installed at the bottom of the photovoltaic junction box 1. Each of the four pins 103 has a through hole. When installing the photovoltaic junction box 1, bolts pass through the through holes on the pins 103 and connect to the designated position. A lower partition 2 is installed inside the photovoltaic junction box 1. An upper partition 3 is hinged to the top of the lower partition 2. A protrusion 301 is installed on the upper partition 3. The protrusion 301 pulls the upper partition 3 when it is rotated. The protrusion 301 facilitates the rotation of the upper partition 3. Both the lower partition 2 and the upper partition 3 have a row of arc-shaped grooves 201. The two arc-shaped grooves 201 cooperate to form a through groove. The top of the lower partition 2 has a connecting groove 204. The outer surface of the upper partition 3 is equipped with a rectangular block 4, which is fitted into the connecting groove 204. After the wire passes through the wiring hole 102 and enters the photovoltaic junction box 1, it is connected through the connector and the wiring terminal. Each wire is placed in the corresponding arc-shaped groove 201 of the lower partition 2. At this time, the abutment part 502 is pulled to make the limiting part 501 slide from the slide groove 202 and squeeze the spring piece 6 to deform. The upper partition 3 is rotated down so that the rectangular block 4 enters the connecting groove 204. At this time, the arc-shaped groove 201 on the upper partition 3 and the arc-shaped groove 201 on the lower partition 2 cooperate to form a through groove.

[0023] A sliding groove 202 is provided in the lower partition 2, which is connected to the connecting groove 204. An L-shaped block 5 is slidably fitted in the sliding groove 202. A limiting groove 401 is provided on the rectangular block 4 to fit the L-shaped block 5. An installation groove 203 is provided on the lower partition 2, which is connected to the sliding groove 202. A spring piece 6 is connected in the installation groove 203. The L-shaped block 5 has a limiting part 501 and an abutting part 502. The abutting part 502 is connected to the side wall of the limiting part 501. The limiting part 501 is slidably fitted in the sliding groove 202. The spring piece... The top of 6 contacts the side wall of the contact part 502. After the rectangular block 4 is fitted into the connecting groove 204, the contact part 502 is released and the contact part 502 is pushed by the spring piece 6, which in turn drives the limiting part 501 to move along the slide groove 202. This allows the end of the limiting part 501 to fit into the limiting groove 401 to fix the rectangular block 4. When the upper partition 3 and the lower partition 2 are separated, the contact part 502 is pulled to move the limiting part 501 out of the limiting groove 401, which can then pull the upper partition 3 to release the upper partition 3 from the limiting of the wire.

[0024] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A junction box for photovoltaic, comprising a photovoltaic junction box (1), characterized in that: a lower partition block (2) is installed in the photovoltaic junction box (1), an upper partition block (3) is hinged to the top of the lower partition block (2), and a row of arc-shaped grooves (201) are formed on the lower partition block (2) and the upper partition block (3), and the two arc-shaped grooves (201) cooperate to form a through groove; a connecting groove (204) is formed on the top of the lower partition block (2), a rectangular block (4) is installed on the outer surface of the upper partition block (3), and the rectangular block (4) is fitted in the connecting groove (204); a sliding groove (202) is formed in the lower partition block (2), the sliding groove (202) is communicated with the connecting groove (204), an L-shaped block (5) is slidably fitted in the sliding groove (202), and a limiting groove (401) for fitting the L-shaped block (5) is formed on the rectangular block (4).

2. A junction box for photovoltaic applications according to claim 1, characterized in that, An installation groove (203) is formed on the lower partition block (2), the installation groove (203) is communicated with the sliding groove (202), and an elastic sheet (6) is connected in the installation groove (203).

3. A junction box for photovoltaic applications according to claim 2, characterized in that, The L-shaped block (5) has a limiting portion (501) and a contact portion (502), the contact portion (502) is connected to the side wall of the limiting portion (501), the limiting portion (501) is slidably fitted in the sliding groove (202), and the top of the elastic sheet (6) is in contact with the side wall of the contact portion (502).

4. A junction box for photovoltaic applications according to claim 1, characterized in that, The upper partition block (3) is provided with a protruding block (301).

5. A junction box for photovoltaic applications according to claim 1, characterized in that, A top cover (101) is fitted on the top of the photovoltaic junction box (1), and wiring holes (102) are formed on both sides of the photovoltaic junction box (1).

6. A junction box for photovoltaic applications according to claim 5, characterized in that, Four pins (103) are installed at the bottom of the photovoltaic junction box (1), and through holes are formed in the four pins (103).

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