Photovoltaic connector

Abstract

The utility model relates to the technical field of photovoltaic connector structures, in particular to a photovoltaic connector which comprises a connector assembly, the connector assembly comprises a connector female head, a bayonet lock is inserted into the inner wall of the right side of the connector female head through a clamping groove, and the right side of the bayonet lock is connected with a connector male head. The outer side of the connector female head and the outer side of the connector male head are each provided with an annular groove, a fixing assembly is installed in the annular groove of the connector female head in a sleeved mode, and the fixing assembly comprises a left buckle plate set and a right buckle plate set. The upper connecting plate and the lower connecting plate are installed on the outer side of the connector female head, the upper buckle plate and the lower buckle plate are installed on the outer side of the connector male head, meanwhile, the beam plate moves behind the penetrating groove of the upper connecting plate, the distance between the upper connecting plate and the upper buckle plate is adjusted, the fixing bolt penetrates through the penetrating groove of the beam plate and then is inserted into the threaded hole of the connecting plate, and the connecting plate is fixed. Therefore, the butt joint tightness of the connector female head and the connector male head is ensured, and the connector female head and the connector male head are prevented from loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic connector structures, in particular to a photovoltaic connector. Background Art

[0002] Photovoltaic connectors, also commonly known as terminal blocks or quick connectors, are key parts that connect components such as modules, combiner boxes, controllers and inverters in photovoltaic power generation systems.

[0003] At present, photovoltaic modules on color steel tile roofs are usually installed in a flat bracket installation mode. The photovoltaic connector harness will fall in an arc shape, and the photovoltaic connector joint will overlap the surface of the color steel tile roof. The photovoltaic connector joint will swing and collide under the action of external force, which will cause the photovoltaic connector joint to be pulled by force. If the joint position is loose, an arc will occur, causing the insulation cotton under the color steel tile to catch fire and cause a fire, affecting safety. Therefore, a photovoltaic connector is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A photovoltaic connector comprises a connector assembly, wherein the connector assembly comprises a female connector, a bayonet is inserted into the right inner wall of the female connector through a bayonet slot, and a male connector is connected to the right side of the bayonet, an annular groove is provided on the outer sides of the female connector and the male connector, a fixing assembly is sleeved and installed inside the annular groove of the female connector, the fixing assembly comprises a left buckle plate group and a right buckle plate group, a right buckle plate group is sleeved and installed inside the annular groove of the male connector, the left buckle plate group comprises an upper connecting plate, a hanging plate is connected to the top right side of the upper connecting plate, and a hook is connected to the right side of the top right side of the hanging plate.

[0007] Preferably, the bottom end of the upper connecting plate is butted against a lower connecting plate, and locking bolts are inserted through through holes on both sides of the bottom end of the lower connecting plate, and the axial end of the locking bolt is inserted into the threaded hole of the upper connecting plate. The locking bolt passes through the lower connecting plate and is inserted into the threaded hole of the upper connecting plate, thereby ensuring the stability of the upper connecting plate and the locking bolt installed on the outside of the connector female head.

[0008] Preferably, the right buckle plate group includes an upper buckle plate, the bottom end of the upper buckle plate is butted against a lower buckle plate, and the bottom end of the lower buckle plate is penetrated by an internal bolt through a through hole, the axial end of the internal bolt is inserted into the upper buckle plate through a threaded hole, and the internal bolt penetrates the through hole of the lower buckle plate and is inserted into the threaded hole of the upper buckle plate, which can facilitate the suspension of the beam plate.

[0009] Preferably, the top of the upper buckle plate is connected to a beam plate, and the beam plate passes through the interior of the upper connecting plate through a through groove, and the left side of the upper connecting plate is connected to a connecting plate, and a fixing bolt is inserted through the through groove on the surface of the beam plate, and the axial end of the fixing bolt is inserted into the threaded hole of the connecting plate, and the axial end of the fixing bolt passes through the through groove of the beam plate and is inserted into the threaded hole of the connecting plate, thereby ensuring the docking tightness of the connector female head and the connector male head.

[0010] Preferably, the ends of the female connector and the male connector are both threaded with a screw barrel, and the end of the screw barrel is connected to a silicone sleeve. After the two screw barrels are respectively connected to the female connector and the male connector, the silicone sleeve can wrap the wiring harness for protection to prevent the wiring harness from loosening easily.

[0011] Preferably, two pressing assemblies are symmetrically arranged at the upper and lower ends of the connector female head, and the pressing assembly includes a pressing shaft, and the pressing shaft is inserted into the through hole, and the bottom end of the pressing shaft is connected to a pressure plate, and a return spring is sleeved on the outer side of the pressing shaft, and the top of the return spring is connected and fixed to the inner wall of the connector female head slot, and the pressing plate is pushed to move by the pressing shaft to squeeze the pin, so that the pin can be easily separated from the slot of the connector female head.

[0012] Preferably, a rubber pad is connected to the outside of the connector female head by bolts, and the rubber pad is designed with a curved structure and is fixed to the outside of the connector female head by the rubber pad, so as to cover the pressing shaft and prevent debris from entering the movable groove of the pressing shaft and the connector female head, thereby affecting the smoothness of the pressing shaft.

[0013] The utility model has at least the following beneficial effects:

[0014] 1. By setting a fixing component, the suspension reinforcement of the connector component is realized. Compared with the traditional structure, the device is installed on the outside of the connector female head through the upper connecting plate and the lower connecting plate, and is installed on the outside of the connector male head through the upper buckle plate and the lower buckle plate. At the same time, the beam plate moves behind the through groove of the upper connecting plate to adjust the distance between the upper connecting plate and the upper buckle plate, and the fixing bolt passes through the through groove of the beam plate and is inserted into the threaded hole of the connecting plate, thereby ensuring the docking tightness of the connector female head and the connector male head, avoiding looseness of the connector female head and the connector male head, reducing the probability of arcing due to looseness, and improving safety. At the same time, it can be hung on the color steel frame or photovoltaic bracket through a hook to ensure the stability of the suspension of the connector component.

[0015] 2. By setting a pressing component, a screw barrel and a silicone sleeve, the protection of the wiring harness at the ends of the female connector and the male connector is achieved. The two screw barrels of this device are respectively threaded on the ends of the female connector and the male connector, and the silicone sleeve is wrapped around the outside of the wiring harness to protect the wiring harness, ensure the safety of the wiring harness when it is bent, reduce the probability of arcing caused by bending and damage of the wiring harness, and further improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the external structure of a photovoltaic connector proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the external disassembly structure of a photovoltaic connector proposed by the utility model;

[0019] Figure 3 For this utility model Figure 2 A is a magnified schematic diagram of the structure;

[0020] Figure 4 The present invention is a schematic diagram of a three-dimensional disassembled structure of a fixed component in a photovoltaic connector proposed by the present invention.

[0021] In the figure: 1. Connector assembly; 11. Connector female head; 12. Connector male head; 13. Bayonet pin; 14. Screw barrel; 15. Silicone sleeve; 2. Pressing assembly; 21. Rubber pad; 22. Pressing shaft; 23. Pressing plate; 24. Reset spring; 3. Fixing assembly; 31. Left buckle plate group; 311. Upper connecting plate; 312. Lower connecting plate; 313. Locking bolt; 314. Connecting plate; 315. Fixing bolt; 316. Hanging plate; 317. Hook; 32. Right buckle plate group; 321. Upper buckle plate; 322. Lower buckle plate; 323. Insert bolt; 324. Beam plate. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] Reference Figure 1-4A photovoltaic connector includes a connector component 1, the connector component 1 includes a female connector 11, a bayonet 13 is inserted into the right inner wall of the female connector 11 through a slot, and a male connector 12 is connected to the right side of the bayonet 13, an annular groove is provided on the outer sides of the female connector 11 and the male connector 12, a fixing component 3 is sleeved and installed inside the annular groove of the female connector 11, the fixing component 3 includes a left buckle plate group 31 and a right buckle plate group 32, the right buckle plate group 32 is sleeved and installed inside the annular groove of the male connector 12, the left buckle plate group 31 includes an upper connecting plate 311, a hanging plate 316 is connected to the top right side of the upper connecting plate 311, and a hook 317 is connected to the right side of the top right side of the hanging plate 316.

[0024] The bottom end of the upper connecting plate 311 abuts against the lower connecting plate 312 , and locking bolts 313 are inserted through through holes on both sides of the bottom end of the lower connecting plate 312 , and the axial ends of the locking bolts 313 are inserted into the threaded holes of the upper connecting plate 311 .

[0025] The right buckle plate assembly 32 includes an upper buckle plate 321, the bottom end of the upper buckle plate 321 abuts against a lower buckle plate 322, and an inner bolt 323 is inserted through a through hole in the bottom end of the lower buckle plate 322, and the axial end of the inner bolt 323 is inserted into the upper buckle plate 321 through a threaded hole.

[0026] The top of the upper buckle plate 321 is connected to a beam plate 324, and the beam plate 324 passes through the interior of the upper connecting plate 311 through a through groove. The left side of the upper connecting plate 311 is connected to a connecting plate 314. A fixing bolt 315 is inserted into the surface of the beam plate 324 through the through groove, and the axial end of the fixing bolt 315 is inserted into the threaded hole of the connecting plate 314.

[0027] The ends of the female connector 11 and the male connector 12 are both threadedly sleeved with a screw barrel 14 , and the ends of the screw barrel 14 are connected to a silicone sleeve 15 .

[0028] Two pressing components 2 are symmetrically arranged at the upper and lower ends of the connector female head 11. The pressing component 2 includes a pressing shaft 22. The pressing shaft 22 is inserted through the through hole. The bottom end of the pressing shaft 22 is connected to a pressure plate 23. A return spring 24 is sleeved on the outer side of the pressing shaft 22, and the top end of the return spring 24 is connected and fixed to the inner wall of the card slot of the connector female head 11.

[0029] The outer side of the connector female head 11 is connected with a rubber pad 21 through bolts, and the rubber pad 21 is designed with a curved structure.

[0030] The upper connecting plate 311 and the lower connecting plate 312 are connected to the outer side of the annular groove of the connector female head 11, and the locking bolt 313 can be inserted into the threaded hole of the upper connecting plate 311 after passing through the lower connecting plate 312, so as to ensure the stability of the upper connecting plate 311 and the locking bolt 313 installed on the outer side of the connector female head 11, and it is convenient for the staff to suspend and hook the connector assembly 1 through the hook 317, and the upper buckle plate 321 and the lower buckle plate 322 are buckled in the inner side of the annular groove of the connector male head 12, and the internal bolt 323 passes through the lower buckle plate 322. The through hole is inserted into the threaded hole of the upper buckle plate 321, which can facilitate the suspension of the beam plate 324, so that the beam plate 324 can pass through the through groove of the upper connecting plate 311, and the beam plate 324 and the upper connecting plate 311 cooperate with each other to avoid the female connector 11 and the male connector 12 from being misaligned and loosened when docking. When the female connector 11 and the male connector 12 are docked, the beam plate 324 can be moved in the through groove of the upper connecting plate 311, so that the distance between the upper buckle plate 321 and the upper connecting plate 311 can adapt to the docking of the female connector 11 and the male connector 12. At this time, the shaft end of the fixing bolt 315 can be inserted into the threaded hole of the connecting plate 314 after passing through the through groove of the beam plate 324 to ensure the docking tightness of the connector female head 11 and the connector male head 12. After the connector female head 11 and the connector male head 12 are docked, they are in a suspended state, and the wiring harness at the end of the connector female head 11 and the connector male head 12 is curved. At this time, after the two screw barrels 14 are docked with the connector female head 11 and the connector male head 12 respectively, the silicone sleeve 15 can wrap and protect the wiring harness to prevent the wiring harness from being easily loosened. By pressing By applying pressure to the shaft 22, the pressing shaft 22 can push the pressure plate 23 to move and squeeze the pin 13, and then the pin 13 can be easily separated from the slot of the connector female head 11, ensuring the convenience of disassembly and separation of the connector female head 11 and the connector male head 12. The rubber pad 21 is fixed to the outside of the connector female head 11 to cover the pressing shaft 22 to prevent debris from entering the movable groove of the pressing shaft 22 and the connector female head 11, affecting the smoothness of the pressing shaft 22. At the same time, the design of the rubber pad 21 can increase the convenience for the staff to press the rubber pad 21.

[0031] Working principle: According to the attached Figure 2 With attached Figure 3 As shown, the female connector 11 is connected to the male connector 12, so that the latch 13 is inserted into the latch slot of the female connector 11. At this time, the female connector 11 and the male connector 12 are attached to each other. Figure 4As shown, the upper connecting plate 311 and the lower connecting plate 312 can be inserted into the annular groove of the connector female head 11. At this time, the locking bolt 313 penetrates the lower connecting plate 312 and is inserted into the threaded hole of the upper connecting plate 311. The beam plate 324 is inserted into the through groove of the upper connecting plate 311, so that the upper buckle plate 321 is sleeved in the annular groove of the connector male head 12, and the lower buckle plate 322 is buckled and abutted against the lower part of the upper buckle plate 321. The inner bolt 323 can penetrate the lower buckle plate 322 and be inserted into the upper buckle plate 321 When the male connector 12 is connected to the female connector 11, the beam plate 324 moves to a suitable position following the male connector 12. At this time, the fixing bolt 315 can be passed through the through groove of the beam plate 324, and the axial end of the fixing bolt 315 can be inserted into the threaded hole of the connecting plate 314 to ensure the connection stability between the female connector 11 and the male connector 12. At this time, the hook 317 can be used to hook the inside of the hole of the photovoltaic bracket, and then the connector assembly 1 can be suspended.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A photovoltaic connector, comprising a connector assembly (1), wherein the connector assembly (1) comprises a female connector (11), a card pin (13) is inserted into the right inner wall of the female connector (11) through a card slot, and a male connector (12) is connected to the right side of the card pin (13), characterized in that: The outer sides of the connector female head (11) and the connector male head (12) are both provided with an annular groove, a fixing assembly (3) is sleeved and installed inside the annular groove of the connector female head (11), the fixing assembly (3) comprises a left buckle plate group (31) and a right buckle plate group (32), the right buckle plate group (32) is sleeved and installed inside the annular groove of the connector male head (12), the left buckle plate group (31) comprises an upper connecting plate (311), the top right side of the upper connecting plate (311) is connected to a hanging plate (316), and the top right side of the hanging plate (316) is connected to a hook (317).

2. A photovoltaic connector according to claim 1, characterized in that: The bottom end of the upper connecting plate (311) is butted against a lower connecting plate (312), and locking bolts (313) are inserted through through holes on both sides of the bottom end of the lower connecting plate (312), and the axial ends of the locking bolts (313) are inserted into the threaded holes of the upper connecting plate (311).

3. A photovoltaic connector according to claim 1, characterized in that: The right buckle plate assembly (32) comprises an upper buckle plate (321), the bottom end of the upper buckle plate (321) is butted against a lower buckle plate (322), and an internal bolt (323) is inserted through a through hole at the bottom end of the lower buckle plate (322), and the shaft end of the internal bolt (323) is inserted into the interior of the upper buckle plate (321) through a threaded hole.

4. A photovoltaic connector according to claim 3, characterized in that: The top of the upper buckle plate (321) is connected to a beam plate (324), and the beam plate (324) penetrates the interior of the upper connecting plate (311) through a through groove. The left side of the upper connecting plate (311) is connected to a connecting plate (314). A fixing bolt (315) is inserted into the surface of the beam plate (324) through the through groove, and the axial end of the fixing bolt (315) is inserted into the threaded hole of the connecting plate (314).

5. A photovoltaic connector according to claim 1, characterized in that: The ends of the connector female head (11) and the connector male head (12) are both threadedly sleeved with a screw barrel (14), and the ends of the screw barrel (14) are connected to a silicone sleeve (15).

6. A photovoltaic connector according to claim 5, characterized in that: Two pressing assemblies (2) are symmetrically arranged at the upper and lower ends of the connector female head (11), and the pressing assembly (2) includes a pressing shaft (22). The pressing shaft (22) is inserted through a through hole, and the bottom end of the pressing shaft (22) is connected to a pressing plate (23). A return spring (24) is sleeved on the outer side of the pressing shaft (22), and the top end of the return spring (24) is connected and fixed to the inner wall of the connector female head (11) slot.

7. A photovoltaic connector according to claim 6, characterized in that: The outer side of the connector female head (11) is connected to a rubber pad (21) via bolts, and the rubber pad (21) is designed to be an arc structure.

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