Waterproof joint of outdoor photovoltaic solar panel

Abstract

The utility model provides an outdoor photovoltaic solar panel waterproof joint which comprises a lower joint, the top of the lower joint is movably connected with an upper joint, the inner sides of the lower joint and the upper joint are respectively provided with a second sealing groove and a second mounting groove, and the inner sides of the lower joint and the upper joint are movably connected with a connecting assembly through the second sealing groove. The inner sides of the lower connector and the upper connector are movably connected with second sealing wire jackets through second mounting grooves, the outer sides of the lower connector and the upper connector are in threaded connection with fixing nuts, the inner sides of the fixing nuts are in threaded connection with a lower plug and an upper plug, and the outer sides of the lower plug and the upper plug are movably connected with fixing sealing plates. According to the outdoor photovoltaic solar panel waterproof joint, through the arrangement of the fixed sealing plate, the fixing nut, the second sealing wire sleeve and the first sealing wire sleeve, no gap exists in the outdoor photovoltaic solar panel waterproof joint, so that the waterproof performance of the outdoor photovoltaic solar panel waterproof joint is improved, and the problems of short circuit and damage caused by water inflow are avoided.

Description

Technical Field

[0001] The utility model relates to a waterproof joint for outdoor photovoltaic solar panels, belonging to the field of solar panel joints. Background Technique

[0002] Photovoltaic solar panels, also known as photovoltaic and solar photovoltaic systems, refer to facilities that convert solar energy into direct current electricity using the photovoltaic effect of photovoltaic semiconductor materials. The core of photovoltaic facilities is solar panels. The semiconductor materials used for power generation mainly include: monocrystalline silicon, polycrystalline silicon, amorphous silicon, cadmium telluride, etc. In recent years, due to the active promotion of the application of renewable energy in various countries, the photovoltaic industry has developed very rapidly. During the power generation process of outdoor photovoltaic solar panels, it is necessary to assemble outdoor photovoltaic solar panels and components such as batteries through joints.

[0003] In the prior art, when the waterproof joint of outdoor photovoltaic solar panels is in use, since the joint needs to be assembled with the power cord, and at the same time the joint needs to be installed on the plug, there will be gaps between the joint and the power cord and between the joint and the plug. At the same time, outdoor photovoltaic solar panels are installed outdoors, and due to weather reasons such as rain, when it rains, rainwater will flow on the joint, and at the same time, rainwater will penetrate into the joint through the gaps, resulting in poor waterproof performance of the joint and prone to problems such as short circuits and damage. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a waterproof joint for outdoor photovoltaic solar panels to solve the problems raised in the above background technique. The utility model is convenient to use, easy to operate, has good stability and high reliability.

[0005] In order to achieve the above purpose, the utility model is realized through the following technical solutions: A waterproof joint for outdoor photovoltaic solar panels includes a lower joint. The top of the lower joint is movably connected with an upper joint. Second sealing grooves and second installation grooves are respectively opened on the inner sides of the lower joint and the upper joint. A connecting component is movably connected between the inner sides of the lower joint and the upper joint through the second sealing groove. A second sealing wire sleeve is movably connected between the inner sides of the lower joint and the upper joint through the second installation groove. Fixing nuts are threadedly connected to the outer sides of the lower joint and the upper joint. Lower plugs and upper plugs are threadedly connected to the inner sides of the fixing nuts. A fixing sealing plate is movably connected to the outer sides of the lower plugs and the upper plugs. A fixing opening is opened on one side of the fixing sealing plate. First sealing grooves and first installation grooves are respectively opened on the inner sides of the lower plugs and the upper plugs. A power connection component is movably connected between the inner sides of the lower plugs and the upper plugs through the first installation groove.

[0006] Furthermore, the connection assembly includes a joint plate and a power connection post. The joint plate is movably connected to the inner sides of the lower joint and the upper joint through a second sealing groove, and one side of the joint plate is fixedly connected to the power connection post.

[0007] Furthermore, a second sealing strip is fixedly connected between the lower joint and the upper joint, and the second sealing strip is made of rubber material.

[0008] Furthermore, the inner sides of the lower plug and the upper plug are movably connected with a first sealing wire sleeve through a first sealing groove, and the first sealing wire sleeve is in a disc structure.

[0009] Furthermore, the power connection assembly includes a plug disk, a plug body and a socket, the plug disk is movably connected to the inner sides of the lower plug and the upper plug through a first mounting groove, one side of the plug disk is fixedly connected to the plug body, and one side of the plug body is provided with a socket.

[0010] Furthermore, a first sealing strip is installed between the lower plug and the upper plug, the lower plug and the upper plug are combined to form a cylindrical structure, and the diameters of the lower plug and the upper plug are matched with the inner diameter of the fixing port.

[0011] The beneficial effects of the utility model include: by setting the fixed sealing plate, the fixed nut, the second sealing wire sleeve and the first sealing wire sleeve, when using the external photovoltaic solar panel waterproof joint, the staff installs the connecting wire on the plug disk and the joint disk respectively, and then expands the second sealing wire sleeve and the first sealing wire sleeve and installs them on the outside of the connecting wire respectively, at this time, the second sealing wire sleeve and the first sealing wire sleeve will firmly fix the connecting wire after shrinking, and then the staff installs the plug disk and the joint disk with the second sealing wire sleeve and the first sealing wire sleeve in the first sealing groove and the first installation groove and the second sealing groove and the second installation groove inside the lower plug and the upper plug and the lower joint and the upper joint, and then the fixed sealing plate is sleeved on the outside of the lower plug and the upper plug, and the lower plug and the upper plug are firmly sealed and merged through the first sealing strip, and the connecting wire is connected at the same time. The wiring is also firmly sealed and merged with the lower plug and the upper plug through the first sealing wire sleeve, and the fixing nut is installed on the outside of the lower joint and the upper joint. The lower joint and the upper joint are firmly sealed and merged through the second sealing strip. At the same time, the connecting wire is stretched out through the second sealing wire sleeve and the first sealing wire sleeve and are respectively installed on the outside of the connecting wire and are also firmly sealed and merged with the lower joint and the upper joint. Then the staff merges the joint and the plug, and inserts the power post into the socket of the plug body, and then installs the fixing nut on the lower plug and the upper plug. The fixing nut will support the fixed sealing plate, thereby sealing the gap at the connection, so that there will be no gap in the outdoor photovoltaic solar panel waterproof joint, thereby improving the waterproofness of the outdoor photovoltaic solar panel waterproof joint, and avoiding the problems of short circuit and damage caused by water ingress. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objectives, and advantages of the present utility model will become more apparent by reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the overall structure of the waterproof joint for outdoor photovoltaic solar panels of the present utility model;

[0014] Figure 2 It is a schematic exploded view of the overall structure of the waterproof joint for outdoor photovoltaic solar panels of the present utility model;

[0015] Figure 3 It is a schematic diagram of a partial structure of the fixed sealing plate in the waterproof joint for outdoor photovoltaic solar panels of the present utility model;

[0016] Figure 4 It is a schematic diagram of a partial structure of the fixed nut in the waterproof joint for outdoor photovoltaic solar panels of the present utility model.

[0017] In the figure: 1 - lower plug, 2 - upper plug, 3 - fixed sealing plate, 301 - fixing port, 4 - upper joint, 401 - second sealing groove, 402 - second installation groove, 5 - lower joint, 6 - fixed nut, 7 - first sealing groove, 8 - first sealing wire sleeve, 9 - first sealing strip, 10 - first installation groove, 11 - plug disc, 12 - plug body, 13 - socket, 14 - joint disc, 15 - power connection post, 16 - second sealing wire sleeve, 17 - second sealing strip. Detailed implementation manners

[0018] To make the technical means, creative features, achieved objectives, and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation manners.

[0019] Please refer to Figure 1 and Figure 4 , the present utility model provides a technical solution: a waterproof joint for outdoor photovoltaic solar panels, including a lower joint 5, the top of the lower joint 5 is movably connected with an upper joint 4, the inner sides of the lower joint 5 and the upper joint 4 are respectively provided with a second sealing groove 401 and a second installation groove 402, the inner sides of the lower joint 5 and the upper joint 4 are movably connected with a connection component through the second sealing groove 401, the inner sides of the lower joint 5 and the upper joint 4 are movably connected with a second sealing wire sleeve 16 through the second installation groove 402, the outer sides of the lower joint 5 and the upper joint 4 are threadedly connected with a fixed nut 6, the inner side of the fixed nut 6 is threadedly connected with a lower plug 1 and an upper plug 2, the outer sides of the lower plug 1 and the upper plug 2 are movably connected with a fixed sealing plate 3, one side of the fixed sealing plate 3 is provided with a fixing port 301, the inner sides of the lower plug 1 and the upper plug 2 are both provided with a first sealing groove 7 and a first installation groove 10, and the inner sides of the lower plug 1 and the upper plug 2 are movably connected with a power connection component through the first installation groove 10.

[0020] Specific implementation manner: The connection component includes a joint plate 14 and an electrical connection post 15. The joint plate 14 is movably connected to the inner sides of the lower joint 5 and the upper joint 4 through a second sealing groove 401. One side of the joint plate 14 is fixedly connected to the electrical connection post 15. By inserting the electrical connection post 15 into the socket 13 of the plug body 12, the outdoor photovoltaic solar panel can be electrically connected to other component devices.

[0021] Specific implementation manner: A second sealing strip 17 is fixedly connected between the lower joint 5 and the upper joint 4. The second sealing strip 17 is processed from rubber material, so that the lower joint 5 and the upper joint 4 can be firmly sealed together, avoiding water ingress due to gaps between the lower joint 5 and the upper joint 4.

[0022] Specific implementation manner: A first sealing wire sleeve 8 is movably connected to the inner sides of the lower plug 1 and the upper plug 2 through a first sealing groove 7. The first sealing wire sleeve 8 is in a disc structure. By expanding the first sealing wire sleeve 8 and installing it on the outside of the connecting wire, the first sealing wire sleeve 8 will firmly fix the connecting wire after contracting, preventing gaps.

[0023] Specific implementation manner: The electrical connection component includes a plug disc 11, a plug body 12 and a socket 13. The plug disc 11 is movably connected to the inner sides of the lower plug 1 and the upper plug 2 through a first installation groove 10. One side of the plug disc 11 is fixedly connected to the plug body 12. A socket 13 is provided on one side of the plug body 12. By installing the connecting wire on the plug disc 11 and inserting the electrical connection post 15 into the socket 13 of the plug body 12, electrical connection can be achieved.

[0024] Specific implementation manner: A first sealing strip 9 is installed between the lower plug 1 and the upper plug 2. The lower plug 1 and the upper plug 2 are combined into a cylindrical structure. The diameters of the lower plug 1 and the upper plug 2 are adapted to the inner diameter of the fixing port 301, so that the lower plug 1 and the upper plug 2 can be fixed through the fixed sealing plate 3 after being assembled.

[0025] Working principle: When using the waterproof connector for outdoor photovoltaic solar panels, the staff installs the connecting wires on the plug disk 11 and the connector disk 14 respectively. Then, the second sealing wire sleeve 16 and the first sealing wire sleeve 8 are opened and installed on the outer sides of the connecting wires respectively. At this time, after the second sealing wire sleeve 16 and the first sealing wire sleeve 8 contract, they will firmly fix the connecting wires. Then, the staff installs the plug disk 11 and the connector disk 14, the second sealing wire sleeve 16 and the first sealing wire sleeve 8 into the first sealing groove 7 and the first installation groove 10 and the second sealing groove 401 and the second installation groove 402 inside the lower plug 1, the upper plug 2, the lower connector 5 and the upper connector 4. Then, the fixed sealing plate 3 is sleeved on the outer sides of the lower plug 1 and the upper plug 2. The lower plug 1 and the upper plug 2 will be firmly sealed and combined through the first sealing strip 9. At the same time, the connecting wires will also be firmly sealed and combined with the lower plug 1 and the upper plug 2 through the first sealing wire sleeve 8. And the fixing nut 6 is installed on the outer sides of the lower connector 5 and the upper connector 4. The lower connector 5 and the upper connector 4 will be firmly sealed and combined through the second sealing strip 17. At the same time, the connecting wires will also be firmly sealed and combined with the lower connector 5 and the upper connector 4 through the second sealing wire sleeve 16 and the first sealing wire sleeve 8 opened and installed on the outer sides of the connecting wires respectively. Then, the staff combines the connector and the plug, inserts the power connection post 15 into the socket 13 of the plug body 12, and then installs the fixing nut 6 on the lower plug 1 and the upper plug 2. The fixing nut 6 will press against the fixed sealing plate 3, thus sealing the gap at the connection, so that there are no gaps in the waterproof connector for outdoor photovoltaic solar panels.

[0026] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An outdoor photovoltaic solar panel waterproof connector, comprising a lower connector (5), characterized in that: The top of the lower joint (5) is movably connected to the upper joint (4); the inner sides of the lower joint (5) and the upper joint (4) are respectively provided with a second sealing groove (401) and a second mounting groove (402); the inner sides of the lower joint (5) and the upper joint (4) are movably connected to a connecting assembly via the second sealing groove (401); the inner sides of the lower joint (5) and the upper joint (4) are movably connected to a second sealing sleeve (16) via the second mounting groove (402); the outer sides of the lower joint (5) and the upper joint (4) are threadedly connected to each other. A fixing nut (6) is provided, the inner side of the fixing nut (6) is threadedly connected to a lower plug (1) and an upper plug (2), the outer sides of the lower plug (1) and the upper plug (2) are movably connected to a fixing sealing plate (3), one side of the fixing sealing plate (3) is provided with a fixing opening (301), the inner sides of the lower plug (1) and the upper plug (2) are both provided with a first sealing groove (7) and a first mounting groove (10), and the inner sides of the lower plug (1) and the upper plug (2) are movably connected to an electrical connection assembly via the first mounting groove (10).

2. The outdoor photovoltaic solar panel waterproof joint according to claim 1, characterized in that: The connection assembly comprises a joint plate (14) and a power connection post (15); the joint plate (14) is movably connected to the inner sides of the lower joint (5) and the upper joint (4) via a second sealing groove (401); and one side of the joint plate (14) is fixedly connected to the power connection post (15).

3. The outdoor photovoltaic solar panel waterproof joint according to claim 1, characterized in that: A second sealing strip (17) is fixedly connected between the lower joint (5) and the upper joint (4), and the second sealing strip (17) is made of rubber material.

4. The outdoor photovoltaic solar panel waterproof joint according to claim 1, characterized in that: The inner sides of the lower plug (1) and the upper plug (2) are movably connected to a first sealing sleeve (8) via a first sealing groove (7), and the first sealing sleeve (8) is in a disc structure.

5. The outdoor photovoltaic solar panel waterproof joint according to claim 1, characterized in that: The power connection assembly comprises a plug plate (11), a plug body (12) and a socket (13); the plug plate (11) is movably connected to the inner sides of the lower plug (1) and the upper plug (2) via a first mounting groove (10); one side of the plug plate (11) is fixedly connected to the plug body (12); and one side of the plug body (12) is provided with a socket (13).

6. The outdoor photovoltaic solar panel waterproof joint according to claim 1, characterized in that: A first sealing strip (9) is installed between the lower plug (1) and the upper plug (2); the lower plug (1) and the upper plug (2) are combined to form a cylindrical structure; the diameters of the lower plug (1) and the upper plug (2) are compatible with the inner diameter of the fixing port (301).

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