A photovoltaic connector assembly

Abstract

This application discloses a photovoltaic connector assembly, belonging to the field of photovoltaic power generation equipment connection technology. It includes a first housing and a second housing, with a connection mechanism between them. The connection mechanism includes two sets of plug rods, each fixedly installed at one end of the second housing, with the two sets of plug rods spaced far apart. A locking block is fixedly installed on one side of each plug rod. A slot matching the two sets of plug rods is provided on one side of the first housing. A slot is provided inside the first housing on one side of the slot, and the locking block is movably engaged with the slot. An outer connecting sleeve is threadedly connected to the outer walls of the first and second housings. This application, through the ingenious structural design of the connection mechanism, achieves mechanical locking between the first and second housings, allowing for easy assembly and disassembly through simple rotation, greatly improving maintenance efficiency and reducing maintenance costs.

Description

Technical Field

[0001] This application relates to the field of photovoltaic power generation equipment connection technology, and in particular to a photovoltaic connector assembly. Background Technology

[0002] In photovoltaic power generation systems, connectors are key components that ensure the reliability of power transmission. Currently, mainstream photovoltaic connectors use metal terminal crimping or injection molding to fix the cables. These technologies have dominated the photovoltaic industry for more than a decade due to their advantages such as simple structure and stable conductivity.

[0003] Currently, the mainstream photovoltaic connectors are MC4 type metal snap-fit ​​connectors, injection molded integrated connectors, and threaded locking connectors. Although they can all guarantee basic conductivity, they generally have complex disassembly and assembly processes, with an average maintenance time of more than 15 minutes per operation. They also rely heavily on special tools, and the success rate of on-site emergency repairs is insufficient. As the scale of photovoltaic systems expands and the frequency of operation and maintenance increases, the problems of low disassembly and assembly efficiency and high maintenance costs of traditional connectors are becoming increasingly prominent.

[0004] Therefore, this application provides a photovoltaic connector assembly. Utility Model Content

[0005] To address the shortcomings of existing technologies, this application provides a photovoltaic connector assembly that overcomes these deficiencies. It aims to solve the problems of current mainstream photovoltaic connectors, which are MC4 type metal snap-fit ​​connectors, injection-molded integrated connectors, and threaded locking connectors. While all three can guarantee basic conductivity, they generally suffer from complex assembly and disassembly processes, with an average maintenance time exceeding 15 minutes per operation. Furthermore, they are highly dependent on specialized tools, resulting in insufficient success rates for on-site emergency repairs. As the scale of photovoltaic systems expands and the frequency of operation and maintenance increases, the problems of low assembly and disassembly efficiency and high maintenance costs of traditional connectors are becoming increasingly prominent.

[0006] To achieve the above objectives, this application provides the following technical solution: a photovoltaic connector assembly, comprising a first housing and a second housing, wherein a connecting mechanism is provided between the first housing and the second housing, the connecting mechanism comprising two sets of plug rods, both sets of plug rods being fixedly installed at one end of the second housing and the two sets of plug rods being far apart, a locking block being fixedly installed on one side of each plug rod, a slot matching the two sets of plug rods being provided on one side of the first housing, a slot being provided inside the first housing on one side of the slot, the locking block being movably engaged with the slot, and an outer connecting sleeve being threadedly connected to the outer walls of the first housing and the second housing.

[0007] By adopting the above technical solution, the first and second housings are connected by a connecting mechanism. When disassembling and assembling the first and second housings, the outer connecting sleeve is rotated to move it to the outer surface of the second housing, separating it from the first housing. Then, the second housing is rotated to make the locking block rotate out of the slot. At this time, the locking block and the insertion rod can slide in the slot. Pulling the second housing will push the insertion rod out of the slot, thus completing the separation of the first and second housings. The installation is similar. The insertion rod is inserted into the slot, and the second housing is rotated to make the two sets of locking blocks insert into the corresponding slots. The outer connecting sleeve is rotated again to connect the first and second housings and complete the fixation. Through the ingenious structural design of the connecting mechanism, the first and second housings are mechanically locked. Disassembly and assembly can be completed by simple rotation, which greatly improves maintenance efficiency and reduces maintenance costs.

[0008] As a preferred technical solution of this application, magnetic absorbing sheet one is fixedly installed inside the first housing in both sets of card slots, and magnetic absorbing sheet two is fixedly installed on the side of the card block away from the insertion rod, and magnetic absorbing sheet one and magnetic absorbing sheet two are attracted to each other.

[0009] By adopting the above technical solution, after the two sets of card blocks are inserted into the corresponding insertion rods, the magnetic absorbing plate two and the magnetic absorbing plate one attract each other, which minimizes the possibility of vibration causing the card blocks to loosen, and improves the positioning effect of the card blocks.

[0010] As a preferred technical solution of this application, the outer surfaces of the first housing and the second housing are both provided with threads that are adapted to the outer connecting sleeve, and the outer connecting sleeve connects the first housing and the second housing through two sets of threads.

[0011] By adopting the above technical solution, the thread is adapted to the outer connecting sleeve, so that the locking block is locked in the slot. The outer connecting sleeve is used to connect and fix the first housing and the second housing, forming a double locking structure, which improves the stability after connection.

[0012] As a preferred embodiment of this application, a sealing plate is installed on the side of the insertion rod near the second housing.

[0013] By adopting the above technical solution, after inserting the plug rod into the slot, the second housing is rotated to insert the locking block into the plug rod. At this time, the sealing plate covers the area where the plug rod was before rotation, thereby achieving the purpose of sealing the slot space.

[0014] As a preferred technical solution of this application, the card block, the insertion rod and the sealing plate form a Z shape, and the interior of the first housing is provided with a receiving groove that matches the sealing plate.

[0015] By adopting the above technical solution, a placement space is provided for the sealing plate before it rotates through the receiving groove.

[0016] As a preferred technical solution of this application, a fastening ring is inserted into the end of the second housing away from the first housing, and a limit ring is fixedly connected to one end of the fastening ring.

[0017] By adopting the above technical solution, the cable inside the second housing is fixed by the fastening ring, and the position of the fastening ring is restricted by the limiting ring, thereby improving the stability of the cable after installation in the first housing.

[0018] As a preferred technical solution of this application, a sealing ring is fixedly installed on the outer surface of the fastening ring, and the sealing ring abuts against the inner wall of the second housing.

[0019] By adopting the above technical solution, the sealing performance of the second housing is improved through the sealing ring, thereby enhancing the waterproof effect of the second housing.

[0020] As a preferred technical solution of this application, a splitter frame is installed inside the first housing, and the splitter frame is shaped like a herringbone.

[0021] By adopting the above technical solution, multiple sets of cables in the first housing are separated and fixed by the splitter frame, avoiding cross-interference and improving the stability of signal transmission.

[0022] As a preferred technical solution of this application, the outer wall of the outer connecting sleeve is fixedly connected with a number of anti-slip strips, and the number of anti-slip strips are evenly distributed in a circular shape along the outer wall of the outer connecting sleeve.

[0023] By adopting the above technical solution, the anti-slip strip provides a hand action point when rotating the outer connecting sleeve, thus improving the practicality of adjusting the outer connecting sleeve.

[0024] As a preferred technical solution of this application, flame-retardant layers are fixedly connected to the inner walls of both the first shell and the second shell, and lubricating layers are coated on the inner walls of both the first shell and the second shell.

[0025] By adopting the above technical solutions, the wear during cable assembly and disassembly is reduced by the lubrication layer, and the flame-retardant effect of the first and second housings is improved by the flame-retardant layer, thereby enhancing safety during use.

[0026] The beneficial effects of this application are:

[0027] 1. The first and second housings are connected by a connecting mechanism. When disassembling and assembling the first and second housings, the outer connecting sleeve is rotated to move it to the outer surface of the second housing, separating it from the first housing. Then, the second housing is rotated to make the locking block rotate out of the slot. At this time, the locking block and the insertion rod can slide in the slot. Pulling the second housing will push the insertion rod out of the slot, thus completing the separation of the first and second housings. The installation is the same. The insertion rod is inserted into the slot, and the second housing is rotated to make the two sets of locking blocks insert into the corresponding slots. The outer connecting sleeve is rotated again to connect the first and second housings and complete the fixation. Through the ingenious structural design of the connecting mechanism, the first and second housings are mechanically locked. Disassembly and assembly can be completed by simple rotation, which greatly improves maintenance efficiency and reduces maintenance costs.

[0028] 2. After the two sets of card blocks are inserted into the corresponding insertion rods, the magnetic absorbing plate two and the magnetic absorbing plate one attract each other, minimizing the possibility of vibration causing the card blocks to loosen or other issues, and improving the positioning effect of the card blocks. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of this application;

[0030] Figure 2 This is a schematic diagram of the separation structure of this application;

[0031] Figure 3 This is a schematic diagram of the cross-sectional structure of the first shell.

[0032] Figure 4 for Figure 3 Enlarged structural diagram at point A in the middle.

[0033] In the diagram: 1. First housing; 2. Second housing; 3. Connecting mechanism; 301. Insert rod; 302. Locking block; 303. Slot; 304. Slot; 305. Thread; 306. Outer connecting sleeve; 4. Magnetic suction plate one; 5. Magnetic suction plate two; 6. Sealing plate; 7. Receiving groove; 8. Fastening ring; 9. Limiting ring; 10. Sealing ring; 11. Branching frame; 13. Anti-slip strip; 14. Lubricating layer; 15. Flame retardant layer. Detailed Implementation

[0034] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0035] Reference Figure 1-4A photovoltaic connector assembly includes a first housing 1 and a second housing 2. A connecting mechanism 3 is provided between the first housing 1 and the second housing 2. The connecting mechanism 3 includes two sets of plug rods 301. Both sets of plug rods 301 are fixedly installed at one end of the second housing 2 and are far apart. A locking block 302 is fixedly installed on one side of the plug rods 301. A slot 303 matching the two sets of plug rods 301 is opened on one side of the first housing 1. A slot 304 is opened inside the first housing 1 on one side of the slot 303. The locking block 302 is movably engaged with the slot 304. An outer connecting sleeve 306 is threadedly connected to the outer wall of the first housing 1 and the second housing 2. The outer surfaces of the first housing 1 and the second housing 2 are provided with threads 305 that are adapted to the outer connecting sleeve 306. The outer connecting sleeve 306 connects the first housing 1 and the second housing 2 through the two sets of threads 305.

[0036] The first housing 1 and the second housing 2 are connected by the connecting mechanism 3. When assembling or disassembling the first housing 1 and the second housing 2, the outer connecting sleeve 306 is rotated to move it until the outer surface of the second housing 2 separates from the first housing 1. Then, the second housing 2 is rotated to allow the locking block 302 to rotate out of the locking slot 304. At this point, the locking block 302 and the insert rod 301 can slide within the slot 303. Pulling the second housing 2 will push the insert rod 301 out of the slot 303, thus completing the separation of the first housing 1 and the second housing 2. Installation is similar: insert the insert rod 301 into the slot 303, and rotate the second housing 2 to separate the two sets of... The locking block 302 is inserted into the corresponding slot 304, and the outer connecting sleeve 306 is rotated again to connect the first housing 1 and the second housing 2, thus completing the fixation. Through the ingenious structural design of the connecting mechanism 3, the first housing 1 and the second housing 2 are mechanically locked. Disassembly and assembly can be completed by simple rotation, which greatly improves maintenance efficiency and reduces maintenance costs. The thread 305 is adapted to the outer connecting sleeve 306, so that the locking block 302 is locked in the slot 304. The outer connecting sleeve 306 is used to connect and fix the first housing 1 and the second housing 2, forming a double locking structure, which improves the stability after connection.

[0037] Reference Figure 2-4 Inside the first housing 1, magnetic absorbing sheet 4 is fixedly installed in both sets of slots 304. Magnetic absorbing sheet 5 is fixedly installed on the side of the block 302 away from the insert rod 301. Magnetic absorbing sheet 4 and magnetic absorbing sheet 5 are attracted to each other. A sealing plate 6 is installed on the side of the insert rod 301 close to the second housing 2.

[0038] After the two sets of locking blocks 302 are inserted into the corresponding insert rods 301, the magnetic absorbing piece 2 5 and the magnetic absorbing piece 1 4 attract each other, minimizing the possibility of vibration causing the locking blocks 302 to loosen or become dislodged, thus improving the positioning effect of the locking blocks 302. After the insert rods 301 are inserted into the slots 303, the second housing 2 is rotated to insert the locking blocks 302 into the insert rods 301. At this time, the sealing plate 6 covers the area where the insert rods 301 were before rotation, thus achieving the purpose of sealing the space of the slots 303.

[0039] Reference Figure 2-4 The locking block 302, the insert rod 301, and the sealing plate 6 form a Z-shape. The interior of the first housing 1 has a receiving groove 7 that matches the sealing plate 6. A sealing ring 10 is fixedly installed on the outer surface of the fastening ring 8, and the sealing ring 10 abuts against the inner wall of the second housing 2. The receiving groove 7 provides space for the sealing plate 6 before rotation. The sealing ring 10 improves the sealing performance of the second housing 2 and enhances its waterproof effect.

[0040] Reference Figure 1-3 A fastening ring 8 is inserted into the end of the second housing 2 away from the first housing 1, and a limiting ring 9 is fixedly connected to one end of the fastening ring 8. A cable splitter 11 is installed inside the first housing 1. The cable splitter 11 is herringbone shaped. The cables inside the second housing 2 are fixed by the fastening ring 8, and the position of the fastening ring 8 is restricted by the limiting ring 9, which improves the firmness of the cables after installation in the first housing 1. The cable splitter 11 separates and fixes multiple sets of cables inside the first housing 1 to avoid cross interference and is conducive to the stability of signal transmission.

[0041] Reference Figure 1-3 The outer wall of the outer connecting sleeve 306 is fixedly connected with several sets of anti-slip strips 13, which are evenly distributed in a circular shape along the outer wall of the outer connecting sleeve 306. The inner walls of the first housing 1 and the second housing 2 are both fixedly connected with flame-retardant layers 15, and the inner walls of the first housing 1 and the second housing 2 are both coated with lubricating layers 14. The anti-slip strips 13 provide a hand action point when rotating the outer connecting sleeve 306, improving the practicality of adjusting the outer connecting sleeve 306. The lubricating layer 14 reduces wear during cable disassembly and assembly, and the flame-retardant layer 15 improves the flame-retardant effect of the first housing 1 and the second housing 2 during use, thus improving the safety during use.

[0042] Working principle: The first housing 1 and the second housing 2 are connected by the connecting mechanism 3. When disassembling the first housing 1 and the second housing 2, the outer connecting sleeve 306 is rotated to move it to the outer surface of the second housing 2 and separate it from the first housing 1. Then, the second housing 2 is rotated to make the locking block 302 rotate out of the slot 304. At this time, the locking block 302 and the insertion rod 301 can slide in the slot 303. Pulling the second housing 2 can push the insertion rod 301 out of the slot 303, thereby completing the separation of the first housing 1 and the second housing 2. The installation is the same. Insert the insertion rod 301 into the slot 303, rotate the second housing 2 to insert the two sets of locking blocks 302 into the corresponding slots 304, and rotate the outer connecting sleeve 306 again to connect the first housing 1 and the second housing 2 to complete the fixation. After the two sets of locking blocks 302 are inserted into the corresponding insertion rods 301, the magnetic suction piece 2 5 and the magnetic suction piece 1 4 are attracted to each other.

[0043] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A photovoltaic connector assembly comprising a first housing (1) and a second housing (2), characterized in that, A connecting mechanism (3) is provided between the first housing (1) and the second housing (2). The connecting mechanism (3) includes two sets of insert rods (301). Both sets of insert rods (301) are fixedly installed at one end of the second housing (2), and the two sets of insert rods (301) are far apart. A locking block (302) is fixedly installed on one side of the insert rod (301). A slot (303) matching the two sets of insert rods (301) is opened on one side of the first housing (1). A slot (304) is opened inside the first housing (1) on one side of the slot (303). The locking block (302) is movably locked into the slot (304). An outer connecting sleeve (306) is threadedly connected to the outer wall of the first housing (1) and the second housing (2).

2. A photovoltaic connector assembly according to claim 1, characterized in that, The first housing (1) is fixedly installed with magnetic absorbing piece one (4) in both of the two sets of card slots (304). The card block (302) is fixedly installed with magnetic absorbing piece two (5) on the side away from the insertion rod (301). The magnetic absorbing piece one (4) and the magnetic absorbing piece two (5) are attracted to each other.

3. A photovoltaic connector assembly according to claim 1, characterized in that, The outer surfaces of the first housing (1) and the second housing (2) are provided with threads (305) that are compatible with the outer connecting sleeve (306). The outer connecting sleeve (306) connects the first housing (1) and the second housing (2) through two sets of threads (305).

4. A photovoltaic connector assembly according to claim 1, characterized in that, A sealing plate (6) is installed on the side of the insertion rod (301) near the second housing (2).

5. A photovoltaic connector assembly according to claim 4, characterized in that, The card block (302), the insert rod (301) and the sealing plate (6) form a Z-shape, and the interior of the first housing (1) is provided with a receiving groove (7) that matches the sealing plate (6).

6. A photovoltaic connector assembly according to claim 1, characterized in that, A fastening ring (8) is inserted into one end of the second housing (2) away from the first housing (1), and a limit ring (9) is fixedly connected to one end of the fastening ring (8).

7. A photovoltaic connector assembly according to claim 6, characterized in that, A sealing ring (10) is fixedly installed on the outer surface of the fastening ring (8), and the sealing ring (10) abuts against the inner wall of the second housing (2).

8. A photovoltaic connector assembly according to claim 1, characterized in that, The first housing (1) is equipped with a splitter frame (11), which is herringbone shaped.

9. A photovoltaic connector assembly according to claim 3, characterized in that, The outer wall of the outer connecting sleeve (306) is fixedly connected with several sets of anti-slip strips (13), and the several sets of anti-slip strips (13) are evenly distributed in a circular shape along the outer wall of the outer connecting sleeve (306).

10. A photovoltaic connector assembly according to claim 1, characterized in that, The first housing (1) and the second housing (2) are both fixedly connected with flame-retardant layers (15), and the inner walls of the first housing (1) and the second housing (2) are both coated with lubricating layers (14).

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