Photovoltaic module wiring device

Abstract

The utility model provides a photovoltaic assembly wiring device, which relates to the technical field of electronic connection, and comprises a sealing mechanism, a female end mechanism, a locking mechanism, a male terminal and an output end, the female end mechanism comprises a connecting body, four conductive tubes are symmetrically arranged in the connecting body, the lower ends of the conductive tubes are connected with the locking mechanism, the locking mechanism comprises a torsion ring, and the torsion ring is connected with the male terminal. A movable groove is formed in the connecting body, an opening is formed in one side of the conductive tube, the opening of the conductive tube is communicated with the movable groove, a cross-shaped fixing buckle is installed in the movable groove, the four ends of the cross-shaped fixing buckle are installed on the inner wall of the torsion ring, and springs are installed on the sides, away from the opening of the conductive tube, of the cross-shaped fixing buckle; one end of the spring is mounted on one side, far away from the opening of the conductive tube, of the inner wall of the movable groove, an output end is mounted at the bottom of the conductive tube, a sealing mechanism is mounted at the upper end of the conductive tube, and a sealing gasket is arranged at one end of the male terminal.

Description

Technical Field

[0001] The utility model belongs to the technical field of electronic connection, and particularly relates to a wiring device for photovoltaic modules. Background Art

[0002] With the continuous development of photovoltaic modules with the improvement of photovoltaic performance, the market space has expanded, and intelligence has become a trend. Policies promote the development of the new energy system, but there are differences between the expansion of production capacity and the increase in the installed capacity, and there is intensified competition in the short term.

[0003] Based on the above, the inventor found the following problems: The wiring device of photovoltaic wires often causes shortened service life due to poor heat dissipation and insufficient waterproof and sealing grades. When the wires are aggregated, the large volume of the connector will also occupy too much space, resulting in the inability to dissipate heat in time.

[0004] Therefore, in view of this, the existing structure and deficiencies are studied and improved to provide a wiring device for photovoltaic modules, with the aim of achieving a more practical value. Summary of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a wiring device for photovoltaic modules, which is achieved by the following specific technical means:

[0006] A wiring device for photovoltaic modules includes a sealing mechanism, a female end mechanism, a locking mechanism, a male terminal, and an output end. The female end mechanism includes a connecting body, and four conductive tubes are symmetrically installed inside the connecting body. The lower ends of the conductive tubes are connected to the locking mechanism. The locking mechanism includes a torsion ring. An activity groove is provided inside the connecting body. One side of the conductive tube is provided with an opening, and the opening of the conductive tube communicates with the activity groove. A cross-shaped fixing buckle is installed in the activity groove, and the four ends of the cross-shaped fixing buckle are installed on the inner wall of the torsion ring. Springs are installed on the sides of the cross-shaped fixing buckle away from the opening of the conductive tube, and one end of each spring is installed on the inner wall of the activity groove away from the opening of the conductive tube. The bottom of the conductive tube is installed with an output end, and the upper end of the conductive tube is installed with a sealing mechanism. One end of the male terminal is provided with a sealing washer, the other end of the male terminal is arc-shaped, and a card slot is provided at the bottom of the male terminal.

[0007] Further, an opening is provided inside the male terminal, and a plurality of reverse resistance pieces are provided on the inner wall of the opening.

[0008] Further, the sealing mechanism includes a sealing ring. A first groove is provided at the top end of the inner wall of the sealing ring, and an upper cover is installed in the first groove. A through hole is provided on the top surface of the upper cover, and a first sealing ring is installed at the edge of the through hole on the top of the upper cover. A second sealing ring is installed between the bottom of the upper cover and the first groove. A second groove is provided at the upper end of the connecting body, and a protruding part is provided in the second groove at the bottom of the inner wall of the sealing ring. A third sealing ring is installed at the top end of the protruding part.

[0009] Further, the positions and quantities of the through holes correspond to those of the conductive tubes.

[0010] Further, the outer wall of the connecting body is provided with threads between the second groove and the upper cover, the second sealing ring and the third sealing ring on the inner wall of the sealing ring are provided with threads, and the threads of the connecting body are threadedly connected to the threads on the inner wall of the sealing ring.

[0011] Further, heat dissipation fins are provided between the torsion ring and the sealing ring on the outer wall of the connecting body.

[0012] Further, the output end includes an output wire and an insulating sealing cover. The insulating sealing cover is arranged at the bottom of the connecting body, the output wire is arranged at the bottom of the insulating sealing cover, and a plurality of core wires are further arranged inside the output wire, and each of the core wires is electrically connected to each of the conductive tubes.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. By the combined use of the sealing washer, the first sealing ring, the second sealing ring, the third sealing ring and the sealing ring, the male terminal and the female terminal mechanism can be hermetically connected, with better sealing and higher waterproof performance, greatly extending the service life.

[0015] 2. By the combined use of the torsion ring and the cross fixing buckle, a single structure can fix multiple male terminals, greatly saving space, reducing the volume and facilitating heat dissipation at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional schematic diagram of a photovoltaic module wiring device of the utility model;

[0017] Figure 2 is a cross-sectional schematic diagram of a photovoltaic module wiring device of the utility model;

[0018] Figure 3 is a cross-sectional schematic diagram of a photovoltaic module wiring device of the utility model from another angle;

[0019] Figure 4 is a photovoltaic module wiring device of the utility model Figure 3 in which the enlarged schematic diagram of point A.

[0020] In the figure, the corresponding relationship between the component names and the drawing reference numerals is as follows:

[0021] 1. Sealing mechanism; 2. Female terminal mechanism; 3. Locking mechanism; 4. Male terminal; 5. Output end; 6. Conductive tube; 7. Connecting body; 8. Output wire; 9. Insulating sealing cover; 101. Twisted ring; 102. Cross fixing buckle; 103. Spring; 104. Movable groove; 201. Upper cover; 202. First sealing ring; 203. Second sealing ring; 204. Third sealing ring; 205. Sealing ring; 301. Sealing washer; 302. Reverse resistance piece; 303. Card slot. Detailed implementation manners

[0022] The following further describes the implementation manners of the present utility model in detail with reference to the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] In the description of the present utility model, unless otherwise specified, "a plurality of" means two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] Embodiment:

[0026] As shown in the attached Figure 1 to the attached Figure 4 figure:

[0027] The present utility model provides a wiring device for a photovoltaic module, which includes a sealing mechanism 1, a female terminal mechanism 2, a locking mechanism 3, a male terminal 4, and an output terminal 5. The female terminal mechanism 2 includes a connecting body 7. Four conductive tubes 6 are symmetrically installed inside the connecting body 7. The conductive tubes 6 can maximize the contact area with the male terminal 4, improve the conduction efficiency, and reduce heat generation. The lower end of the conductive tube 6 is connected to the locking mechanism 3. The locking mechanism 3 includes a torsion ring 101. An activity slot 104 is provided inside the connecting body 7. The activity slot 104 is cross-shaped and rotationally symmetric with the center of the torsion ring 101 as the center. One side of the conductive tube 6 is provided with an opening. The openings of the conductive tubes 6 are arranged in a circumferential array. The openings of the conductive tubes 6 communicate with the activity slot 104. A cross-shaped fixing buckle 102 is installed in the activity slot 104. The cross-shaped fixing buckle 102 can move in the activity slot 104 and can enter the conductive tube 6 through the opening on one side of the conductive tube 6 to fix the male terminal 4. The four ends of the cross-shaped fixing buckle 102 are installed on the inner wall of the torsion ring 101. Rotating the torsion ring 101 can drive the movement of the cross-shaped fixing buckle 102. Springs 103 are installed on the sides of the cross-shaped fixing buckle 102 away from the openings of the conductive tubes 6, and one end of each spring 103 is installed on the inner wall of the activity slot 104 away from the openings of the conductive tubes 6. After the male terminal 4 is inserted, the springs 103 push the cross-shaped fixing buckle 102 to automatically lock the male terminal 4. The bottom of the conductive tube 6 is installed with the output terminal 5, and the upper end of the conductive tube 6 is installed with the sealing mechanism 1. One end of the male terminal 4 is provided with a sealing washer 301, the other end of the male terminal 4 is arc-shaped, and a card slot 303 is provided at the bottom of the male terminal 4. When the cross-shaped fixing buckle 102 enters the card slot 303, the male terminal 4 can be fixed.

[0028] Wherein, an opening is provided inside the male terminal 4, and a plurality of reverse resistance pieces 302 are provided on the inner wall of the opening. The reverse resistance pieces 302 can fix the cable and prevent the cable from detaching from the male terminal 4.

[0029] Wherein, the sealing mechanism 1 includes a sealing ring 205. A first groove is provided at the top end of the inner wall of the sealing ring 205. An upper cover 201 is installed in the first groove. A through hole is provided on the top surface of the upper cover 201. A first sealing ring 202 is installed at the edge of the through hole on the top of the upper cover 201. The first sealing ring 202 is used in cooperation with the sealing washer 301 to make the fit between the upper cover 201 and the sealing washer 301 closer. A second sealing ring 203 is installed between the bottom of the upper cover 201 and the first groove. The second sealing ring 203 makes the upper cover 201 and the sealing ring 205 fit tightly. A second groove is provided at the upper end of the connecting body 7. A protruding portion is provided in the second groove at the bottom of the inner wall of the sealing ring 205. A third sealing ring 204 is installed at the top end of the protruding portion. The third sealing ring 204 makes the sealing ring 205 and the connecting body 7 be sealed and connected.

[0030] Wherein, the positions and quantities of the through holes of the upper cover 201 correspond to those of the conductive tubes 6. The through holes can enable the male terminal 4 to pass through the upper cover 201 and enter the conductive tube 6.

[0031] Among them, a thread is provided between the outer wall of the connecting body 7 and the upper cover 201 in the second groove. Threads are provided in the second sealing ring 203 and the third sealing ring 204 on the inner wall of the sealing ring 205. The thread of the connecting body 7 is threadedly connected to the inner wall thread of the sealing ring 205. Rotating the sealing ring 205 can push the first sealing ring 202 of the upper cover 201 to closely fit with the sealing gasket 301. The sealing ring 205 is closely attached to the upper cover 201 through the second sealing ring 203, and the sealing ring 205 is closely attached to the connecting body 7 through the third sealing ring 204.

[0032] Among them, heat dissipation fins are provided between the torsion ring 101 and the sealing ring 205 on the outer wall of the connecting body 7, and the heat dissipation fins can dissipate heat better.

[0033] Among them, the output end 5 includes an output wire 8 and an insulating sealing cover 9. The insulating sealing cover 9 is arranged at the bottom of the connecting body 7. The output wire 8 is arranged at the bottom of the insulating sealing cover 9. A plurality of core wires are further arranged inside the output wire 8, and each of the core wires is electrically connected to each of the conductive tubes 6.

[0034] Specific usage method and function of this embodiment:

[0035] Before the installation and use of the present utility model, the staff needs to check the internal components or structures of the device. After the inspection is correct, it can be used normally. First, ensure whether the circuit power is disconnected and whether the instrument is correctly grounded. First, correctly connect the output wire 8 to other mechanisms, then strip the outer insulating layer of the input wire by an appropriate length, insert it into the opening of the male terminal 4, pull it back appropriately to confirm the stable connection, then insert the male terminal 4 into the through hole of the upper cover 201. The male terminal 4 passes through the through hole of the upper cover 201 and enters the conductive tube 6. One end of the arc of the male terminal 4 pushes open the cross fixing buckle 102, and the cross fixing buckle 102 compresses the spring 103. The male terminal 4 continues to move inward until the card slot 303 of the male terminal 4 is pushed to the opening position of the conductive tube 6. At this time, the spring 103 starts to reset and pushes the cross fixing buckle 102 into the card slot 303 of the male terminal 4, that is, the installation is completed. If disassembly is required, it is also necessary to ensure that the power is disconnected and the instrument is correctly grounded. Rotate the torsion ring 101, the torsion ring 101 drives the cross fixing buckle 102 to rotate, the cross fixing buckle 102 leaves the card slot 303 of the male terminal 4, the cross fixing buckle 102 compresses the spring 103, pull out the male terminal 4, release the torsion ring 101, and the spring 103 resets and pushes the cross fixing buckle 102 to reset, that is, the disassembly is completed.

[0036] The embodiments of the present utility model are given for the purposes of illustration and description. Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.

Claims

1. A photovoltaic module wiring device, comprising a sealing mechanism (1), a female terminal mechanism (2), a locking mechanism (3), a male terminal (4), and an output terminal (5), characterized in that: The female end mechanism (2) comprises a connector (7), four conductive tubes (6) are symmetrically installed inside the connector (7), the lower ends of the conductive tubes (6) are connected to a locking mechanism (3), the locking mechanism (3) comprises a torsion ring (101), a movable groove (104) is provided inside the connector (7), one side of the conductive tube (6) is provided with an opening, the opening of the conductive tube (6) is communicated with the movable groove (104), a cross fixing buckle (102) is installed in the movable groove (104), and the four ends of the cross fixing buckle (102) are installed on A spring (103) is installed on the inner wall of the twist ring (101) and on the side of the cross fixing buckle (102) away from the opening of the conductive tube (6), and one end of the spring (103) is installed on the inner wall of the movable groove (104) away from the opening of the conductive tube (6). An output terminal (5) is installed at the bottom of the conductive tube (6), and a sealing mechanism (1) is installed at the upper end of the conductive tube (6). A sealing gasket (301) is provided at one end of the male terminal (4), and the other end of the male terminal (4) is arc-shaped, and a clamping groove (303) is provided at the bottom of the male terminal (4).

2. A photovoltaic module wiring device as claimed in claim 1, characterized in that: An opening is provided inside the male terminal (4), and a plurality of reverse blocking sheets (302) are provided on the inner wall of the opening.

3. A photovoltaic module wiring device as claimed in claim 1, characterized in that: The sealing mechanism (1) comprises a sealing ring (205), a first groove is provided at the top of the inner wall of the sealing ring (205), an upper cover (201) is installed in the first groove, a through hole is provided on the top surface of the upper cover (201), a first sealing ring (202) is installed at the edge of the through hole at the top of the upper cover (201), a second sealing ring (203) is installed between the bottom of the upper cover (201) and the first groove, a second groove is provided at the upper end of the connecting body (7), a protruding portion is provided at the bottom of the inner wall of the sealing ring (205) in the second groove, and a third sealing ring (204) is installed at the top of the protruding portion.

4. A photovoltaic module wiring device as claimed in claim 3, characterized in that: The positions and quantities of the through holes correspond to those of the conductive tubes (6).

5. A photovoltaic module wiring device as claimed in claim 3, characterized in that: The outer wall of the connecting body (7) is provided with threads between the second groove and the upper cover (201), the second sealing ring (203) and the third sealing ring (204) on the inner wall of the sealing ring (205) are provided with threads, and the threads of the connecting body (7) are threadedly connected to the inner wall of the sealing ring (205).

6. A photovoltaic module wiring device as claimed in claim 3, characterized in that: The outer wall of the connecting body (7) is provided with a heat sink between the torsion ring (101) and the sealing ring (205).

7. A photovoltaic module wiring device as claimed in claim 1, characterized in that: The output end (5) comprises an output line (8) and an insulating sealing cover (9), wherein the insulating sealing cover (9) is arranged at the bottom of the connector (7), the output line (8) is arranged at the bottom of the insulating sealing cover (9), a plurality of core wires are arranged inside the output line (8), and each of the core wires is electrically connected to each of the conductive tubes (6).

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