Insulation protection structure and photovoltaic connector

By setting up an insulated protective structure of protective blocks and clamping plates at the front end of the wiring port of the photovoltaic connector, the problem of rainwater infiltration is solved, and the sealing of the wiring port and rainwater discharge is achieved, avoiding damage and leakage accidents.

CN222785550UActive Publication Date: 2025-04-22HUILANG (YANCHENG) ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421963157.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-04-22
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

In rainy days, existing photovoltaic connectors can easily seep into the terminal head along the wiring port, resulting in damage and leakage accidents.

Method used

An insulating protective structure is designed, including a protective block at the front end of the wiring port of the photovoltaic connector body, a cavity is opened inside the protection block, and two sets of clamping plates are arranged in the cavity. The clamping plate can control the telescopic expansion and contraction through the screw and adjustment nut. The clamping plate seals the wiring port, and a leakage groove is set at the bottom of the front end of the protective block, and rainwater can flow out through the leakage groove.

Benefits of technology

Effectively prevent rainwater from seeping into the terminal, avoid damage and leakage accidents, and at the same time protect the connecting wire from being clamped by the clamping plate, and provide insulation protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of photovoltaic connectors, in particular to an insulation protection structure and a photovoltaic connector. The insulation protection structure comprises a photovoltaic connector body, one end of the photovoltaic connector body is provided with a wiring port, the front end of the wiring port is provided with a protection block, the protection block is internally provided with a cavity, and the cavity is communicated with the wiring port. Two groups of clamping plates are arranged in the cavity; a connecting plug is arranged at one end of the connecting line; the beneficial effects are that according to the insulation protection structure and the photovoltaic connector provided by the utility model, a connecting wire is inserted into the wiring port through the connecting plug to be connected with the wiring end head at the inner side of the wiring port, and then the adjusting nut sleeved at the outer side of the screw rod is screwed, so that the adjusting nut drives the clamping plate in the inner cavity of the protection block to stretch out and draw back; the connecting line is clamped and fixed by the cavity, the connecting line is prevented from driving the connecting plug to fall off from the wiring port, and the wiring port is sealed by the two groups of clamping plates at the same time.
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Description

Technical Field

[0001] The utility model relates to the field of photovoltaic connectors, in particular to an insulation protection structure and a photovoltaic connector. Background Art

[0002] Photovoltaic connectors play a vital role in photovoltaic power generation systems. They are responsible for connecting photovoltaic modules, combiner boxes, inverters and power grids to ensure the smooth transmission of electrical energy. The quality of connectors is directly related to the safety and efficiency of the entire system.

[0003] In the prior art, photovoltaic connectors need to be exposed outdoors for a long time during operation. When it rains, rainwater can easily penetrate into the wiring terminals through the wiring ports, which will not only damage the photovoltaic connectors but may also cause leakage accidents.

[0004] Therefore, we provide an insulating protection structure and a photovoltaic connector to solve the problem that rainwater infiltrates into the wiring terminal through the wiring port of the existing photovoltaic connector on rainy days. Utility Model Content

[0005] The purpose of the utility model is to provide an insulating protection structure and a photovoltaic connector to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photovoltaic connector body, a wiring port is arranged at one end of the photovoltaic connector body, a protective block is arranged at the front end of the wiring port, a cavity is opened inside the protective block, the cavity is communicated with the wiring port, and two groups of clamping plates are arranged in the cavity; and a connecting wire, a connecting plug is arranged at one end of the connecting wire.

[0007] Preferably, one end of the photovoltaic connector body is connected to a cable, and the other end of the photovoltaic connector body is provided with a wiring port, and a wiring terminal is provided inside the wiring port. The connecting wire is connected to the wiring terminal in the photovoltaic connector body through a connecting plug.

[0008] Preferably, screws are inserted in the middle of both sides of the protective block, the inner side of the screws is connected to the clamping plate in the cavity, and the outer side of the screws is sleeved with adjusting nuts. Screwing the adjusting nuts can control the screws to drive the clamping plates to extend and retract in the cavity.

[0009] Preferably, the cavity can clamp the connecting wire inserted into the wiring port to prevent the connecting wire from falling out of the wiring port, and seal the wiring port to prevent rainwater from seeping into the inside of the wiring port and contacting the wiring terminal. A circle of insulating rubber ring is provided on the inside of the cavity, and the insulating rubber ring can protect the connecting wire.

[0010] Preferably, the photovoltaic connector body is provided with a leakage groove at the front end of the cavity, the leakage groove is opened at the bottom of the protective block and communicated with the wiring port, the leakage groove slightly penetrates into the protective block, and the clamping plate in the cavity slightly extends into the leakage groove, and rainwater entering the wiring port can flow out from the leakage groove.

[0011] A photovoltaic connector, the above-mentioned insulating protection structure.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model proposes an insulating protection structure and a photovoltaic connector. First, a connecting wire is inserted into a wiring port through a connecting plug and connected to a wiring terminal inside the wiring port. Then, an adjusting nut sleeved on the outer side of a screw is screwed to make the adjusting nut drive a clamping plate in a cavity inside a protection block to expand and contract, so that the cavity clamps and fixes the connecting wire to prevent the connecting wire from driving the connecting plug to fall off from the wiring port. At the same time, two groups of clamping plates seal the wiring port to prevent rainwater from seeping in. An insulating rubber ring is provided on the inner side of the connecting wire to protect the connecting wire, prevent the clamping plate from damaging the connecting wire, and provide insulation protection for the connecting wire. When it rains, rainwater seeps into the front end of the wiring port. At this time, the clamping plate blocks the rainwater. The blocked rainwater can flow out from a leakage groove at the bottom of the front end of the protection block along the outer surface of the clamping plate. The clamping plate slightly extends into the leakage groove to prevent rainwater from seeping into the cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 This is another schematic diagram of the cross-sectional structure of the utility model.

[0017] In the figure: photovoltaic connector body 1, cable 2, connection port 3, protective block 4, screw 5, adjustment nut

[0018] 6, connecting wire 7, connecting plug 8, wiring terminal 9, cavity 10, clamping plate 11, leakage groove 12, insulating rubber ring 13. DETAILED DESCRIPTION

[0019] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1

[0021] See also Figure 1-Figure 3 The utility model provides a technical solution: a photovoltaic connector body 1, a wiring port 3 is arranged at one end of the photovoltaic connector body 1, a protective block 4 is arranged at the front end of the wiring port 3, a cavity 10 is opened inside the protective block 4, the cavity 10 is communicated with the wiring port 3, and two groups of clamping plates 11 are arranged in the cavity 10; and a connecting wire 7, a connecting plug 8 is arranged at one end of the connecting wire 7; the connecting wire 7 is inserted into the wiring port 3 through the connecting plug 8 and connected to the wiring terminal 9 inside the wiring port 3.

[0022] Embodiment 2

[0023] On the basis of the first embodiment, one end of the photovoltaic connector body 1 is connected to the cable 2, and the other end of the photovoltaic connector body 1 is provided with a wiring port 3, and the inner side of the wiring port 3 is provided with a wiring terminal 9, and the connecting wire 7 is connected to the wiring terminal 9 in the photovoltaic connector body 1 through the connecting plug 8; screws 5 are inserted in the middle of both sides of the protective block 4, and the inner side of the screw 5 is connected to the clamping plate 11 in the cavity 10, and the outer side of the screw 5 is sleeved with an adjusting nut 6. Screwing the adjusting nut 6 can control the screw 5 to drive the clamping plate 11 to expand and contract in the cavity 10; by screwing the adjusting nut 6 sleeved on the outer side of the screw 5, the adjusting nut 6 drives the clamping plate 11 in the cavity 10 inside the protective block 4 to expand and contract, so that the cavity 10 clamps and fixes the connecting wire 7 to prevent the connecting wire 7 from driving the connecting plug 8 to fall off from the wiring port 3.

[0024] Embodiment 3

[0025] On the basis of the second embodiment, the cavity 10 can clamp the connecting wire 7 inserted into the wiring port 3 to prevent the connecting wire 7 from falling from the wiring port 3, and seal the wiring port 3 to prevent rainwater from penetrating into the inner side of the wiring port 3 and contacting the wiring terminal 9. A circle of insulating rubber ring 13 is arranged on the inner side of the cavity 10, and the insulating rubber ring 13 can protect the connecting wire 7; the photovoltaic connector body 1 is provided with a leakage groove 12 at the front end of the cavity 10, and the leakage groove 12 is arranged at the bottom of the protective block 4 and communicates with the wiring port 3. The leakage groove 12 slightly penetrates into the protective block 4, and the clamping plate 11 in the cavity 10 slightly extends into the leakage groove 12, and the rainwater entering the wiring port 3 can flow out from the leakage groove 12; the clamping plate 11 blocks the rainwater, and the blocked rainwater can flow out from the leakage groove 12 at the bottom of the front end of the protective block 4 along the outer surface of the clamping plate 11.

[0026] In actual use, firstly, the connecting wire 7 is inserted into the wiring port 3 through the connecting plug 8 and connected to the wiring terminal 9 inside the wiring port 3, and then the adjusting nut 6 set on the outer side of the screw 5 is screwed to make the adjusting nut 6 drive the clamping plate 11 in the internal cavity 10 of the protective block 4 to expand and contract, so that the cavity 10 clamps and fixes the connecting wire 7 to prevent the connecting wire 7 from driving the connecting plug 8 to fall off from the wiring port 3. At the same time, the two sets of clamping plates 11 seal the wiring port 3 to prevent rainwater from seeping in. An insulating rubber ring 13 is provided on the inner side of the wire 7, and the insulating rubber ring 13 protects the connecting wire 7, prevents the clamping plate 11 from damaging the connecting wire 7, and insulates the connecting wire 7; when it rains, rainwater penetrates into the front end of the wiring port 3, and the clamping plate 11 blocks the rainwater at this time, and the blocked rainwater can flow out from the leakage groove 12 at the bottom of the front end of the protective block 4 along the outer surface of the clamping plate 11, and the clamping plate 11 slightly extends into the leakage groove 12 to prevent rainwater from seeping into the cavity 10.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An insulation protection structure, characterized in that: The insulating protection structure and the photovoltaic connector comprise: a photovoltaic connector body (1), one end of the photovoltaic connector body (1) is provided with a wiring port (3), a protection block (4) is provided at the front end of the wiring port (3), a cavity (10) is provided inside the protection block (4), the cavity (10) is communicated with the wiring port (3), and two groups of clamping plates (11) are provided in the cavity (10); and A connecting wire (7), one end of which is provided with a connecting plug (8).

2. An insulating protective structure according to claim 1, characterized in that: One end of the photovoltaic connector body (1) is connected to the cable (2), and the other end of the photovoltaic connector body (1) is provided with a wiring port (3), and a wiring terminal (9) is provided inside the wiring port (3). The connecting wire (7) is connected to the wiring terminal (9) in the photovoltaic connector body (1) through a connecting plug (8).

3. An insulating protective structure according to claim 2, characterized in that: Screw rods (5) are inserted in the middle of both sides of the protection block (4); the inner sides of the screw rods (5) are connected to the clamping plate (11) in the cavity (10); the outer sides of the screw rods (5) are sleeved with adjustment nuts (6); by screwing the adjustment nuts (6), the screw rods (5) can be controlled to drive the clamping plate (11) to expand and contract in the cavity (10).

4. An insulating protective structure according to claim 3, characterized in that: The cavity (10) can clamp the connecting wire (7) inserted into the wiring port (3) to prevent the connecting wire (7) from falling out of the wiring port (3), and seal the wiring port (3) to prevent rainwater from penetrating into the inner side of the wiring port (3) and contacting the wiring terminal (9). An insulating rubber ring (13) is arranged on the inner side of the cavity (10), and the insulating rubber ring (13) can protect the connecting wire (7).

5. An insulating protective structure according to claim 4, characterized in that: The photovoltaic connector body (1) is provided with a leakage groove (12) at the front end of the cavity (10); the leakage groove (12) is provided at the bottom of the protective block (4) and communicates with the wiring port (3); the leakage groove (12) slightly penetrates into the protective block (4); the clamping plate (11) in the cavity (10) slightly extends into the leakage groove (12); rainwater entering the wiring port (3) can flow out from the leakage groove (12).

6. A photovoltaic connector, characterized in that: The insulating protection structure comprises any one of claims 1 to 5 above.