Plug waterproof structure for photovoltaic module

Abstract

The utility model provides a plug waterproof structure for a photovoltaic module, belongs to the technical field of photovoltaic modules, and solves the problems of limited sealing effect and poor waterproof effect of a plug in the prior art. The device comprises a plug. The outer side of the plug is spirally connected with a protective sleeve. And a connecting wire is arranged on the inner side of the protective sleeve. One end of the connecting line is inserted into the plug, and the other end is connected with the photovoltaic module. A fixing mechanism is further installed in the plug. A rotating plate is arranged on the inner side of the fixing mechanism, and a rotating shaft is rotationally connected into the rotating plate. The two ends of the rotating shaft are fixedly connected with the plug, and the bottom of the rotating plate is further fixedly connected with an extrusion end. The connecting line can be extruded by rotating the protective sleeve, and the fixing purpose is achieved. When the plug is assembled, the connecting line passes through the protective sleeve, the connecting end of the connecting line is placed in the plug, and then the protective sleeve is rotated, so that the protective sleeve can be sleeved outside the plug, the sealing of the connecting line is realized, and the normal use of the plug in rainy and snowy weather is further ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic modules, in particular to a waterproof structure for plugs used in photovoltaic modules. Background Technique

[0002] Photovoltaic modules are generally installed outdoors. When transmitting data and converting and supplying electrical energy, plugs are often required to connect the photovoltaic modules. In the prior art, the plugs of most photovoltaic modules are exposed outdoors. When assembling the connecting wires, their sealing performance is generally not good. Therefore, when exposed to rain and snow weather during use, the waterproof effect of the plugs is not good.

[0003] The photovoltaic module plug disclosed in Chinese Patent CN221102565U uses a high-elastic soft rubber sheet to wind around the outside of the mutually attached plug female seat and plug male seat in multiple turns. By stretching and tightening the high-elastic soft rubber sheet, a sealing effect is generated on the outside of the plug female seat and plug male seat through the elastic binding effect of the high-elastic soft rubber sheet, achieving a certain waterproof effect.

[0004] The waterproof plug for photovoltaic modules disclosed in Chinese Patent CN210926480U inserts the plug rod into the jack on the socket, so that the sealing ring gasket adheres to the socket, so that the connection between the plug rod and the socket can be better sealed. Through the arc-shaped elastic long gasket, water can be better prevented from contacting the plug body during use.

[0005] The waterproof plug for photovoltaic modules disclosed in Chinese Patent CN208873970U is provided with a first waterproof plug and a second waterproof plug. The connecting part of the first waterproof plug is provided with an external thread, and the connecting part of the second waterproof plug is provided with an internal thread matching the external thread. A stepped anti-leakage structure is also provided at the tail of the connecting part of the first waterproof plug, and a stepped sealing ring is sleeved outside the stepped anti-leakage structure to achieve a certain waterproof effect.

[0006] However, the sealing effect of the photovoltaic module plugs disclosed in the above patents is limited, especially the waterproof effect under extreme climate conditions is not good. After being damaged, it is easy to cause the photovoltaic module to short-circuit and catch fire, resulting in damage to the photovoltaic module. Utility Model Content

[0007] In view of the above analysis, the embodiment of the utility model aims to provide a waterproof structure for plugs used in photovoltaic modules to solve the problems of limited sealing effect and poor waterproof effect of the existing technology plugs.

[0008] The embodiment of the utility model provides a waterproof structure for plugs used in photovoltaic modules, including a plug, a protective sleeve, a connecting wire, a fixing mechanism, a rotating plate, a rotating shaft, and an extrusion end; wherein,

[0009] A protective sleeve is spirally connected to the outside of the plug; a connecting wire is arranged inside the protective sleeve; one end of the connecting wire is inserted into the inside of the plug, and the other end is connected to a photovoltaic module;

[0010] A fixing mechanism for fixing the connecting wire is also installed inside the plug; a rotating plate is arranged inside the fixing mechanism, and a rotating shaft is rotatably connected inside the rotating plate; both ends of the rotating shaft are fixedly connected to the plug; an extrusion end is also fixedly connected to the bottom of the rotating plate.

[0011] The beneficial effects of the above solution are: When assembling the plug, the connecting wire passes through the protective sleeve, and the connecting end of the connecting wire is placed inside the plug. Then, by rotating the protective sleeve, the protective sleeve can be sleeved on the outside of the plug, realizing the sealing of the connecting wire, thereby ensuring the waterproof performance of the plug and ensuring the normal use of the plug in rainy and snowy weather. Rotate the protective sleeve to drive the fixing mechanism to squeeze the rotating plate, and the rotating plate rotates around the rotating shaft. At this time, the lower extrusion end can squeeze the connecting end of the connecting wire to achieve the fixing purpose.

[0012] Based on the further improvement of the above device, the fixing mechanism includes a clamping plate, a pressing block, an extrusion plate, and a positioning plate; among them,

[0013] A pressing block is fixedly connected above the clamping plate, and extrusion plates distributed left and right are fixedly connected inside it, and positioning plates distributed left and right are also fixedly connected to its bottom; the positioning plates are clamped and connected to the plug; part of the pressing block extends out of the plug.

[0014] Furthermore, the fixing mechanism further includes an extrusion block; among them,

[0015] An extrusion block is also fixedly connected to one side of the bottom of the clamping plate.

[0016] Furthermore, the waterproof structure of the plug for the photovoltaic module further includes a sealing ring; among them,

[0017] An annular groove is opened on the outside of the plug, and a sealing ring is installed inside the annular groove.

[0018] Furthermore, the number of extrusion plates is 2 groups, and circular holes are opened at the bottom of each group of extrusion plates; and,

[0019] The bottoms of the two groups of extrusion plates distributed left and right are flush.

[0020] Furthermore, one side of the upper part of the pressing block is arranged as an inclined surface.

[0021] Furthermore, a sealing ring is also fixedly connected to the other side of the bottom of the clamping plate, and the sealing ring is in sealing connection with the connecting wire.

[0022] Further, the bottom of the extrusion end is inclined.

[0023] Further, the plug waterproof structure for a photovoltaic module further includes a sealing soft plate; wherein,

[0024] The sealing soft plates are fixedly connected inside the protective sleeve and are distributed vertically. The sealing soft plates are inclined, and semicircular grooves are formed on the opposite end faces of the sealing soft plates distributed vertically.

[0025] Further, the sealing ring is an O-shaped sealing ring.

[0026] The Brief Description of the Utility Model is provided to introduce, in a simplified form, a selection of concepts that will be further described in the Detailed Description below. The Brief Description of the Utility Model is not intended to identify the key features or essential features of the present utility model, nor is it intended to limit the scope of the present utility model. Brief Description of the Drawings

[0027] By describing the exemplary embodiments of the present utility model in more detail in conjunction with the drawings, the above and other objects, features, and advantages of the present utility model will become more apparent. Among them, in the exemplary embodiments of the present utility model, the same reference numerals generally represent the same components.

[0028] Figure 1 Fig. shows the overall structural schematic diagram of the plug waterproof structure for a photovoltaic module in Embodiment 1;

[0029] Figure 2 Fig. shows the installation structural schematic diagram of the fixing mechanism in Embodiment 2;

[0030] Figure 3 Fig. shows the sectional view of the fixing mechanism in Embodiment 2;

[0031] Figure 4 Fig. shows the structural schematic diagram of the plug in Embodiment 2;

[0032] Figure 5 Fig. shows Figure 4 the structural schematic diagram of part A of

[0033] Figure 6 Fig. shows the sectional view of the protective sleeve in Embodiment 2;

[0034] Figure 7 Fig. shows the side view of the protective sleeve in Embodiment 2.

[0035] Reference Numerals

[0036] 1 - Plug; 2 - Protective sleeve; 3 - Connecting wire; 4 - Sealing ring; 5 - Fixing mechanism; 501 -

[0037] Snap plate; 502 - Lower pressing block; 503 - Extrusion plate; 504 - Positioning plate; 505 - Extrusion block; 506 - Sealing ring; 6 - Rotating plate; 7 - Rotating shaft; 8 - Extrusion end; 9 - Sealing soft plate. Detailed implementation mode

[0038] Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0039] The term "including" and its variations used herein mean open inclusion, that is, "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "at least partially based on". The terms "an exemplary embodiment" and "an embodiment" mean "at least one exemplary embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", etc. refer to different objects. There may also be other explicit and implicit definitions below.

[0040] Embodiment 1

[0041] An embodiment of the present invention discloses a plug waterproof structure for a photovoltaic module, which is used to solve the problems of limited sealing effect and poor waterproof effect of the existing plug by improving the structure.

[0042] The plug waterproof structure for the photovoltaic module includes a plug 1, a protective sleeve 2, a connecting wire 3, a fixing mechanism 5, a rotating plate 6, a rotating shaft 7, and an extrusion end 8.

[0043] As Figure 1 shown, a protective sleeve 2 is screwed on the outside of the plug 1. The protective sleeve 2 is arranged on the outside of the plug 1 to provide sealing protection for the plug and achieve waterproofing. A connecting wire 3 is arranged inside the protective sleeve 2. One end (connection end) of the connecting wire 3 is inserted into the inside of the plug 1, and the other end is connected to the photovoltaic module.

[0044] A fixing mechanism 5 for fixing the connecting wire 3 is also installed inside the plug 1. A rotating plate 6 is arranged inside the fixing mechanism 5, and a rotating shaft 7 is rotatably connected inside the rotating plate 6. Both ends of the rotating shaft 7 are fixedly connected to the plug 1. An extrusion end 8 is also fixedly connected to the bottom of the rotating plate 6.

[0045] An implementation mode of the rotating plate 6, the rotating shaft 7, and the extrusion end 8 is as Figure 5 shown, but not limited to Figure 5As shown in the figure, the structures and shapes of the components can be adjusted according to needs, and the purpose of fixing the connecting wire 3 can be achieved, which can be understood by those skilled in the art.

[0046] During implementation, when the connecting wire 3 is inside the plug 1, the contact part between the plug 1 and the connecting wire 3 is concave downward. A part of the connecting wire 3 is inside the plug 1, and with the cooperation of the fixing mechanism 5 and the protective sleeve 2, the purpose of sealing and waterproofing can be achieved. After installing the fixing mechanism 5, gradually rotate the protective sleeve 2. At this time, the protective sleeve 2 gradually squeezes the fixing mechanism 5, and then the fixing mechanism 5 can squeeze the connecting wire 3. At the same time, the fixing mechanism 5 can squeeze the rotating plate 6, and the rotating plate 6 rotates around the rotating shaft 7. At this time, the lower extrusion end 8 can squeeze the connecting end of the connecting wire 3 to fix the connecting end of the connecting wire 3.

[0047] Compared with the prior art, this embodiment provides a waterproof structure for the plug of a photovoltaic module. When assembling the plug, pass the connecting wire 3 through the protective sleeve 2, place the connecting end of the connecting wire 3 inside the plug 1, and then rotate the protective sleeve 2, so that the protective sleeve 2 can be sleeved outside the plug 1 to achieve the sealing of the connecting wire 3, thereby ensuring the waterproof performance of the plug and ensuring the normal use of the plug in rainy and snowy weather. Rotate the protective sleeve 2 to drive the fixing mechanism 5 to squeeze the rotating plate 6, and the rotating plate 6 rotates around the rotating shaft 7. At this time, the lower extrusion end 8 can squeeze the connecting end of the connecting wire 3 to achieve the fixing purpose.

[0048] Embodiment 2

[0049] Based on the solution of Embodiment 1, an improvement is made. The fixing mechanism 5 includes a clamping plate 501, a pressing block 502, a pressing plate 503, and a positioning plate 504, as Figure 3 shown.

[0050] Among them, a pressing block 502 is fixedly connected above the clamping plate 501, and pressing plates 503 distributed left and right are fixedly connected inside it, and positioning plates 504 distributed left and right are also fixedly connected to its bottom. The above-mentioned positioning plate 504 is clamped and connected with the plug 1. A part of the above-mentioned pressing block 502 extends out of the plug 1, so that when the protective sleeve 2 is screwed out of the outside of the plug 1, as Figure 2 shown, the pressing block 502 is exposed, which is convenient for the user to perform the pressing operation, and when the protective sleeve 2 is screwed into the outside of the plug 1, the pressing block 502 is hidden inside the protective sleeve 2.

[0051] Preferably, the fixing mechanism 5 further includes an extrusion block 505. Among them, an extrusion block 505 is fixedly connected to one side of the bottom of the clamping plate 501 for extruding the inserted connecting wire 3.

[0052] Preferably, the waterproof structure for the plug of the photovoltaic module further includes a sealing ring 4, as Figure 4As shown in the figure. Among them, an annular groove is formed on the outer side of the plug 1, and a sealing ring 4 is installed inside the annular groove.

[0053] Preferably, the number of the pressing plates 503 is 2 groups, and circular holes are formed at the bottoms of each group of the pressing plates 503. Moreover, the bottoms of the two groups of the pressing plates 503 distributed left and right are flush. At this time, it can be ensured that the pressing plates 503 stably press the connecting wire 3. When the pressing end 8 moves downward, the bottom of the pressing end 8 can stably press the connecting end of the connecting wire 3, ensuring the stable fixation of the connecting wire 3, and the sealing ring 506 and the connecting wire 3 cooperate to achieve sealing.

[0054] Preferably, one side above the pressing block 502 is arranged as an inclined surface.

[0055] Preferably, the fixing mechanism 5 further includes a sealing ring 506. Among them, the other side of the bottom of the engaging plate 501 is also fixedly connected with a sealing ring 506, and the sealing ring 506 is in sealing connection with the connecting wire 3.

[0056] Preferably, the bottom of the pressing end 8 is arranged in an inclined shape, as Figure 5 shown.

[0057] Preferably, the plug waterproof structure for the photovoltaic module further includes a sealing soft board 9, as Figure 6 、 Figure 7 shown. Among them, the sealing soft board 9 distributed up and down is fixedly connected inside the protective sleeve 2. The sealing soft board 9 is arranged in an inclined shape, and semi-circular grooves are formed on the opposite end faces of the sealing soft boards 9 distributed up and down.

[0058] Preferably, the sealing ring 4 is an O-shaped sealing ring.

[0059] Compared with the prior art, the plug waterproof structure for the photovoltaic module provided by this embodiment has the following beneficial effects:

[0060] 1. When assembling the plug, the connecting wire 3 passes through the protective sleeve 2, and the connecting end of the connecting wire 3 is placed inside the plug 1. After the positioning plate 504 cooperates with the plug 1, the protective sleeve 2 is rotated, and the protective sleeve 2 can be sleeved on the outer side of the plug 1. When the protective sleeve 2 is located on the outer side of the plug 1, the sealing ring 4 arranged on the outer side of the plug 1 and the sealing soft board 9 inside the protective sleeve 2 cooperate to achieve the sealing of the connecting wire 3, thereby ensuring the waterproof performance of the plug and ensuring the normal use of the plug in rainy and snowy weather.

[0061] 2. When the connecting wire 3 is inside the plug 1, the contact part between the plug 1 and the connecting wire 3 is concave downward. At this time, a part of the connecting wire 3 is located therein, and with the cooperation of the fixing mechanism 5, the sealing ring 4 and the sealing soft plate 9, the purpose of sealing and waterproofing can be achieved. The positioning plate 504 is inserted into the plug 1, and thus a certain fixing purpose can be achieved. After the installation of the fixing mechanism 5 is completed, the protective sleeve 2 is gradually rotated. At this time, the protective sleeve 2 gradually presses the fixing mechanism 5, and further enables the fixing mechanism 5 to press the connecting wire 3. At the same time, the pressing block 505 of the fixing mechanism 5 can press the rotating plate 6, and the rotating plate 6 rotates around the rotating shaft 7. At this time, the lower pressing end 8 can press the connecting end of the connecting wire 3 to achieve a further fixing purpose.

[0062] 3. When the connecting wire 3 is inserted into the protective sleeve 2, the sealing soft plate 9 moves along its direction. When the protective sleeve 2 and the outer side of the plug 1 are screwed tightly in a spiral manner, the sealing soft plate 9 is pushed by one end of the plug 1, and the sealing soft plate 9 is slightly pressed to move. The two sealing soft plates 9 move closer together, and further ensure close cooperation with the connecting wire 3 to achieve sealing and waterproofing.

[0063] 4. When the protective sleeve 2 is gradually rotated, the protective sleeve 2 presses the lower pressing block 502. At this time, it can further ensure the close cooperation between the clamping plate 501 and the plug 1. At the same time, the lower part of the pressing plate 503 presses the connecting wire 3 for fixation, and the pressing block 505 presses the rotating plate 6. At this time, the rotating plate 6 drives the pressing end 8 to press the connecting end of the connecting wire 3, so as to achieve the comprehensive fixation of the connecting wire 3 and also play a certain sealing role.

[0064] 5. The bottom of the pressing plate 503 is flat. At this time, it can ensure that the pressing plate 503 stably presses the connecting wire 3. When the pressing end 8 moves downward, the bottom of the pressing end 8 can stably press the connecting end of the connecting wire 3 to ensure the stable fixation of the connecting wire 3, and the sealing ring 506 and the connecting wire 3 cooperate to achieve sealing.

[0065] The embodiments of the present invention have been described above. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the prior art, or to enable other ordinary skill in the art in the technical field to understand the disclosed embodiments.

Claims

1. A plug waterproof structure for a photovoltaic module, characterized in that, It includes a plug (1), a protective sleeve (2), a connecting wire (3), a fixing mechanism (5), a rotating plate (6), a rotating shaft (7), and an extrusion end (8); The outer side of the plug (1) is spirally connected with a protective sleeve (2); a connecting wire (3) is arranged inside the protective sleeve (2); one end of the connecting wire (3) is inserted into the interior of the plug (1), and the other end is connected to a photovoltaic module; A fixing mechanism (5) for fixing the connecting wire (3) is further installed inside the plug (1); a rotating plate (6) is arranged inside the fixing mechanism (5), and a rotating shaft (7) is rotatably connected inside the rotating plate (6); both ends of the rotating shaft (7) are fixedly connected to the plug (1); an extrusion end (8) is further fixedly connected to the bottom of the rotating plate (6).

2. The waterproof structure of the plug for a photovoltaic module according to claim 1, characterized in that, The fixing mechanism (5) includes a clamping plate (501), a pressing block (502), an extrusion plate (503), and a positioning plate (504); among them, A pressing block (502) is fixedly connected above the clamping plate (501), an extrusion plate (503) distributed left and right is fixedly connected inside it, and positioning plates (504) distributed left and right are further fixedly connected to its bottom; the positioning plate (504) is clamped and connected to the plug (1); a part of the pressing block (502) extends outside the plug (1).

3. The waterproof structure of the plug for a photovoltaic module according to claim 2, characterized in that, The fixing mechanism (5) further includes an extrusion block (505); among them, An extrusion block (505) is further fixedly connected to one side of the bottom of the clamping plate (501).

4. The waterproof structure of the plug for a photovoltaic module according to claim 3, characterized in that, It further includes a sealing ring (4); among them, An annular groove is formed on the outer side of the plug (1), and the sealing ring (4) is installed inside the annular groove.

5. The waterproof structure of the plug for a photovoltaic module according to claim 4, wherein, The number of the extrusion plates (503) is 2 groups, and circular holes are formed at the bottom of each group of extrusion plates (503); and, The bottoms of the two groups of extrusion plates (503) distributed left and right are flush.

6. The waterproof structure of the plug for a photovoltaic module according to claim 5, characterized in that, One side above the pressing block (502) is arranged as an inclined surface.

7. The waterproof structure of the plug for a photovoltaic module according to claim 6, characterized in that, A sealing ring (506) is further fixedly connected to the other side of the bottom of the clamping plate (501), and it is hermetically connected to the connecting wire (3) through the sealing ring (506).

8. The waterproof structure of the plug for a photovoltaic module according to claim 7, characterized in that, The bottom of the extrusion end (8) is arranged as an inclined surface.

9. The waterproof structure of the plug for a photovoltaic module according to claim 8, wherein, It further includes a sealing soft plate (9); among them, Sealing soft plates (9) distributed up and down are further fixedly connected inside the protective sleeve (2), the sealing soft plates (9) are arranged obliquely, and semi-circular grooves are formed on the opposite end faces of the sealing soft plates (9) distributed up and down.

10. The waterproof structure of the plug for a photovoltaic module according to any one of claims 4-9, characterized in that, The sealing ring (4) is an O-shaped sealing ring.

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