Wire box assembly for photovoltaic assembly

Abstract

The utility model relates to the technical field of photovoltaic power generation, in particular to a wire box assembly for a photovoltaic assembly, which comprises an upper box body and a lower box body, the front end of the lower box body is provided with two symmetrical cable ports, the left side and the right side of the upper box body are respectively and fixedly connected with two clamping blocks, the lower box body is provided with clamping grooves corresponding to the clamping blocks, and the clamping grooves correspond to the clamping blocks. According to the utility model, the upper box body and the lower box body are buckled and connected through the pushing and pressing assemblies, the disassembly is also convenient, and the stability and the sealing performance of the wire box are improved through the cooperation of the convex blocks and the second cavities.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power generation, in particular to a wire box assembly for a photovoltaic assembly. Background Art

[0002] As an emerging energy industry, solar photovoltaic power generation has become a clean energy necessary for human development due to its safety, pollution-free and renewable nature. In recent years, it has received much attention and praise from various countries. As a power generation unit, a solar cell module is composed of internal cells and other materials used to encapsulate the cells. The solar cell module junction box is a connector between the solar cell array composed of the solar cell module and the solar charging control device. Therefore, the junction box of the photovoltaic module is very important in the composition of the photovoltaic module. Its main function is to connect the power generated by the solar cell to the external line. The junction box is connected to the backplane or glass through silicone, and the internal line is connected to the external cable, so that the module and the external cable are conductive. There is a diode in the junction box to ensure that the module works normally under shading.

[0003] Photovoltaic modules and junction boxes for rural households are generally installed on the roof. The junction boxes will malfunction during long-term outdoor use, so they need to be repaired by maintenance personnel. However, the roofs of some houses in rural areas are triangular structures, so maintenance personnel need to be careful when repairing the roofs. The upper and lower boxes of traditional junction boxes are fixed with bolts, which are cumbersome to disassemble. Some are fixed with buckles, but there is no auxiliary mechanism to cancel the clamping between the junction boxes. Therefore, this card junction box is laborious to disassemble and is easily damaged during disassembly, which increases the difficulty of maintenance for maintenance personnel.

[0004] Therefore, it is urgent to design a photovoltaic module wire box assembly to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a junction box assembly for a photovoltaic assembly, so as to solve the problem that the junction box in the above-mentioned background technology is inconvenient to disassemble.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wire box assembly for a photovoltaic module, comprising an upper box body and a lower box body, the front end of the lower box body is provided with two symmetrical cable ports, the left and right sides of the upper box body are respectively fixedly connected with two card blocks, the lower box body is provided with card slots corresponding to the card blocks, a support seat is fixed between the two card slots on the same side, and the support seat is provided with a pushing assembly for squeezing the card blocks in the card slots.

[0007] Preferably, the pushing assembly includes a fixed rod, a torsion spring, a flip cover and an extrusion plate, both ends of the fixed rod are fixedly mounted on a support seat, one end of the flip cover is sleeved on the fixed rod and rotatably connected to the fixed rod, two torsion springs are provided, and are respectively sleeved on both ends of the fixed rod, one end of the torsion spring is fixedly connected to the fixed rod, and the other end is fixedly connected to the flip cover, two extrusion plates are provided, and the extrusion plates are symmetrically fixed at both ends of the flip cover away from the fixed rod, and correspond to the card slot.

[0008] Preferably, a rectangular ring is fixedly installed in the lower box body, and four connecting blocks are provided between the rectangular ring and the lower box body, and four cavities are formed between the rectangular ring and the lower box body through the connecting blocks, and the cavity formed between the connecting blocks on the same side is the first cavity, and the cavity formed between the connecting blocks symmetrically on both sides is the second cavity, and a protrusion adapted to the second cavity is fixedly installed on the inner side of the upper box body.

[0009] Preferably, the outer side of the protrusion is coated with a layer of sealing gasket.

[0010] Preferably, a support plate is slidably connected to the first cavity, a spring is provided between the support plate and the inner wall of the first cavity, one end of the spring is fixedly connected to the support plate, and the other end is fixedly connected to the inner wall of the first cavity.

[0011] Compared with the prior art, the beneficial effect of the utility model is that the photovoltaic module wire box assembly uses a pushing assembly to make the upper box body and the lower box body connected by a snap, which is also convenient for disassembly, and the stability and sealing of the wire box are improved by cooperating with the second cavity through the protrusion. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the overall explosion of the structure of the utility model;

[0014] Figure 3 This is a top view schematic diagram of the lower box structure of the utility model;

[0015] Figure 4 This is a bottom view schematic diagram of the upper box structure of the utility model;

[0016] Figure 5 It is a schematic diagram of the matching structure of the push assembly and the support seat of the utility model.

[0017] In the figure: 1. upper box body; 2. lower box body; 3. cable port; 4. clamping block; 5. clamping slot; 6. support seat; 7. fixing rod; 8. torsion spring; 9. flip cover; 10. extrusion plate; 11. rectangular ring; 12. connecting block; 13. first cavity; 14. second cavity; 15. protrusion; 16. support plate; 17. spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5 The utility model provides an embodiment of a wiring box assembly for a photovoltaic module, comprising an upper box body 1 and a lower box body 2, the front end of the lower box body 2 is provided with two symmetrical cable ports 3, the left and right sides of the upper box body 1 are respectively fixedly connected with two card blocks 4, the lower box body 2 is provided with a card slot 5 corresponding to the card block 4, the upper box body 1 and the lower box body 2 are connected by a buckle, so that the installation between the wiring boxes is more convenient and quick, which is convenient for maintenance personnel and installers to operate, and a support seat 6 is fixed between the two card slots 5 on the same side, and a pushing component is provided on the support seat 6 to squeeze the card block 4 in the card slot 5, the upper box body 1 is fixed with the card block 4 and the card slot 5 in the lower box body 2, and then the card block 4 in the card slot 5 can be pushed out of the card slot 5 by the pushing component, which is convenient for disassembly between the wiring boxes.

[0020] Furthermore, considering that after the traditional wire boxes are clamped together, there is no auxiliary mechanism to cancel the clamping connection between the wire boxes, the upper box body 1 and the lower box body 2 cannot be separated quickly. When the wire boxes are disassembled and separated, it is laborious and easy to be damaged. Therefore, a pushing assembly is provided at the position of the card slot 5, and the card block 4 is pushed away from the card slot 5 by the pushing assembly. The pushing assembly includes a fixed rod 7, a torsion spring 8, a flip cover 9 and an extrusion plate 10. Both ends of the fixed rod 7 are fixedly mounted on the support seat 6. The horizontal position of the fixed rod 7 is lower than the upper side of the card slot 5, so that when the flip cover 9 is rotated 90 degrees, the extrusion plate 10 can be flipped 90 degrees. One end of the flip cover 9 is sleeved on the fixed rod 7 and is rotatably connected to the fixed rod 7. A groove is provided on the side of the flip cover 9 close to the lower box body 2 to facilitate users to use the flip cover 9. The torsion spring 8 There are two of them, which are respectively sleeved on the two ends of the fixing rod 7. One end of the torsion spring 8 is fixedly connected to the fixing rod 7, and the other end is fixedly connected to the flip cover 9. There are two extrusion plates 10, and the extrusion plates 10 are symmetrically fixed at the two ends of the flip cover 9 away from the fixing rod 7, and correspond to the card slot 5. When the wire box needs to be separated, the flip cover 9 is flipped over and one side of the flip cover 9 is moved away from the lower box body 2. The flip cover 9 rotates on the fixing rod 7, and the torsion springs 8 sleeved on the two ends of the fixing rod 7 will also twist, thereby accumulating force to prepare for the resetting of the flip cover 9. The extrusion plates 10 fixed on the two ends of the flip cover 9 are flipped inward in the card slot 5 to squeeze the card block 4 in the card slot 5. After the flip cover 9 rotates 90 degrees, the card block 4 will leave the pressing groove position and no snap connection is formed between the card slot 5.

[0021] Furthermore, a rectangular ring 11 is fixedly installed in the lower box body 2, and four connecting blocks 12 are provided between the rectangular ring 11 and the lower box body 2. Four cavities are formed between the rectangular ring 11 and the lower box body 2 through the connecting blocks 12, and the cavity formed between the connecting blocks 12 on the same side is the first cavity 13, and the cavity formed between the connecting blocks 12 on both sides is the second cavity 14. A protrusion 15 adapted to the second cavity 14 is fixedly installed on the inner side of the upper box body 1, because after the wiring box is installed, the wiring box will become loose due to the pulling force on the cable, and the stability between the wiring boxes can be enhanced by the cooperation between the protrusion 15 and the second cavity 14.

[0022] Furthermore, the outer side of the protrusion 15 is covered with a sealing gasket, and the waterproofness of the wire box is improved by the provision of the sealing gasket.

[0023] Furthermore, in order to reset the pushing assembly when the card block 4 is pushed away from the card slot 5, the card block 4 will not continue to enter the card slot 5, so a support plate 16 is slidably connected in the first cavity 13, and a spring 17 is provided between the support plate 16 and the inner wall of the first cavity 13, one end of the spring 17 is fixedly connected to the support plate 16, and the other end is fixedly connected to the inner wall of the first cavity 13. After the card block 4 is pushed away from the card slot 5 by the pushing assembly, the spring 17 is previously compressed when the upper box body 1 and the lower box body 2 are engaged, and the pressure will be released at this time, pushing the support plate 16 upward in the first cavity 13. Because the card block 4 is always in contact with the support plate 16, the card block 4 will be pushed upward, so that it can leave the position of the card slot 5, avoiding that the card block 4 continues to be located in the card slot 5 after the pushing assembly is reset, and it is also convenient for maintenance personnel to take the upper box body 1.

[0024] Working principle: First, align the upper box body 1 with the lower box body 2 and squeeze it toward the lower box body 2. The card block 4 then enters the first cavity 13, is bent, and contacts the support plate 16. When the card block 4 moves downward, the support plate 16 also moves downward, and the spring 17 is squeezed and accumulates force. When the card block 4 moves to the position of the card slot 5, the bent card block 4 is reset and enters the card slot 5, thereby fixing the upper box body 1 and the lower box body 2. At this time, the protrusion 15 also cooperates with the second cavity 14. After completion, when the wiring box needs to be repaired, the upper and lower box bodies 2 need to be disassembled and separated, and the flip covers 9 on both sides of the lower box body 2 can be rotated. The flip covers 9 are flipped 90 degrees on the fixing rod 7, and the torsion spring 8 is twisted by force, and then the force is accumulated. The extrusion plate 10 will rotate synchronously with the flip cover 9, pushing the card block 4 out of the card slot 5. Without the limit of the card block 4, the spring 17 is reset to drive the support plate 16 to brake upward. The card block 4 that is in contact with the support plate 16 will also move upward and leave the card slot 5 position, release the flip cover 9, and the pushing assembly is reset.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A photovoltaic module wiring box assembly, comprising an upper box body (1) and a lower box body (2), wherein the front end of the lower box body (2) is provided with two symmetrical cable openings (3), characterized in that: Two card blocks (4) are fixedly connected to the left and right sides of the upper box body (1), respectively; a card slot (5) corresponding to the card block (4) is provided on the lower box body (2); a support seat (6) is fixed between the two card slots (5) on the same side; and a pushing component for squeezing the card block (4) in the card slot (5) is provided on the support seat (6).

2. A photovoltaic module wiring box assembly according to claim 1, characterized in that: The pushing assembly comprises a fixed rod (7), a torsion spring (8), a flip cover (9) and an extrusion plate (10). The two ends of the fixed rod (7) are fixedly mounted on the support seat (6). One end of the flip cover (9) is sleeved on the fixed rod (7) and is rotatably connected to the fixed rod (7). Two torsion springs (8) are provided and are sleeved on the two ends of the fixed rod (7) respectively. One end of the torsion spring (8) is fixedly connected to the fixed rod (7) and the other end is fixedly connected to the flip cover (9). Two extrusion plates (10) are provided and are symmetrically fixed at the two ends of the flip cover (9) away from the fixed rod (7) and correspond to the card slot (5).

3. The photovoltaic module wiring box assembly according to claim 1, characterized in that: A rectangular ring (11) is fixedly installed inside the lower box body (2), and four connecting blocks (12) are arranged between the rectangular ring (11) and the lower box body (2). Four cavities are formed between the rectangular ring (11) and the lower box body (2) through the connecting blocks (12), and the cavities formed between the connecting blocks (12) on the same side are first cavities (13), and the cavities formed between the connecting blocks (12) on both sides are second cavities (14). A convex block (15) adapted to the second cavity (14) is fixedly installed on the inner side of the upper box body (1).

4. A photovoltaic module wiring box assembly according to claim 3, characterized in that: The outer side of the protrusion (15) is coated with a layer of sealing gasket.

5. The photovoltaic module wiring box assembly according to claim 3, characterized in that: A support plate (16) is slidably connected inside the first cavity (13), a spring (17) is provided between the support plate (16) and the inner wall of the first cavity (13), one end of the spring (17) is fixedly connected to the support plate (16), and the other end is fixedly connected to the inner wall of the first cavity (13).

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