Novel T-shaped branch cable connector

By using copper sheets and photovoltaic potting glue in photovoltaic cable connectors and combining the design of buffer components, the problem of poor sealing performance of existing photovoltaic cable connection products is solved, and higher sealing and impact resistance are achieved, ensuring the stable operation of the system outdoors.

CN222826692UActive Publication Date: 2025-05-02SUZHOU XTONG PHOTOVOLTAIC TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420539880.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-20
Publication Date
2025-05-02
Estimated Expiration
2034-03-20

AI Technical Summary

Technical Problem

The existing photovoltaic cable connection products have poor sealing performance and are prone to damage, and cannot operate outdoors for a long time, affecting the operation of the branch line system.

Method used

A new T-type branch cable connector was designed, using copper sheets to improve the fusion of the cable, and a cavity was provided in the upper and lower housings of the connector, and a photovoltaic potting glue was used for filling and sealing, while a buffer assembly was set to provide protection.

Benefits of technology

It significantly improves the overall sealing, prevents external impact damage, and ensures the system's long-term and stable operation outdoors.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222826692U_ABST
    Figure CN222826692U_ABST
Patent Text Reader

Abstract

The utility model discloses a novel T-shaped branch cable connector, and relates to the technical field of cable connection. The technical problem is that a connection product of an existing photovoltaic cable is poor in sealing performance and easy to damage, so that the operation of the cable is affected. According to the technical scheme, the novel T-shaped branch cable connector comprises a connector upper shell, a branch cable, a copper sheet, a connector lower shell, a limiting support, a first through hole, a second through hole and a buffer assembly; according to the novel T-shaped branch cable connector, the welding degree of a cable can be improved by arranging the copper sheets in the connector, the cavities are formed in the connector upper shell and the connector lower shell and are filled and sealed through the photovoltaic pouring sealant, so that the internal sealing effect is guaranteed, buffering protection can be effectively conducted through the buffering assembly, and the service life of the cable is prolonged. Compared with a traditional air isolation mode, the connector has the advantages that the overall sealing performance is greatly improved, the external part is prevented from being damaged due to impact, and the long-term stable outdoor operation of a system is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of cable connection, in particular to a novel T-shaped branch cable connector. Background Art

[0002] As the global energy crisis continues to intensify and the voices of environmental protection from all walks of life continue to strengthen, renewable clean energy is becoming more and more popular. Photovoltaic systems are mainly composed of photovoltaic components, controllers, inverters, etc., among which photovoltaic cables are an indispensable part. The components are often connected through connection structures. However, existing connection products generally rely on sealing rings for air isolation, which has poor sealing performance and cannot withstand the test of long-term outdoor environments. It is easy to be damaged, resulting in sealing failure, which in turn affects the operation of the branch line system. Utility Model Content

[0003] The utility model aims to provide a novel T-shaped branch cable connector to solve the problem in the above background technology that the existing photovoltaic cable connection products have poor sealing performance and are easily damaged, thus affecting the operation of the cable.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of T-type branch cable connector, including a connector upper shell, and also including a branch cable, a copper sheet, a connector lower shell, a limit support, a first through hole, a second through hole, and a buffer assembly; the lower end of the connector upper shell is connected to the branch cable, the lower end of the branch cable is connected to the copper sheet, the lower end of the connector upper shell is connected to the connector lower shell, the outer sides of the connector upper shell and the connector lower shell are both provided with limit supports, the upper end of the connector upper shell is provided with a first through hole, the upper end of the connector upper shell is provided with a second through hole, and the upper end of the connector upper shell and the lower end of the connector lower shell are both connected with buffer assemblies.

[0005] Preferably, by providing a copper sheet inside, the fusion degree of the cable can be improved. By providing a cavity in the upper shell and the lower shell of the connector, it can be filled and sealed with photovoltaic potting glue. The buffer component can also be provided to effectively provide buffering protection. Compared with the traditional air isolation method, the connector greatly improves the overall sealing and prevents damage caused by external impact.

[0006] Preferably, the connector upper shell, connector lower shell and limit bracket are all made of imported photovoltaic materials. The materials used in this connector are imported photovoltaic materials, which can ensure that the system can operate outdoors for a long time, and its upper and lower shells are ultrasonically joined to ensure that the product cannot be opened manually, thereby avoiding failure.

[0007] Preferably, a support seat is fixed to the upper end of the lower shell of the connector, and three support seats are provided. A connecting column is fixed to the upper end of the support seat. The copper sheet can be fixed in position through the three groups of support seats, and play a supporting role.

[0008] Preferably, a connection hole is provided on the surface of the copper sheet, and the connection hole is snap-connected with the connection column, so that the copper sheet is in contact with the cable resistance welding connector at the branch cable end, thereby ensuring the strength and welding degree of the connector.

[0009] Preferably, a groove is provided at the upper end of the lower shell of the connector, and the groove is engaged with the sealing ring. The sealing ring is fixed to the lower end of the upper shell of the connector. The sealing ring is inserted into the groove, so that the lower shell of the connector can be quickly aligned with the upper shell of the connector, and thus connected together.

[0010] Preferably, the buffer assembly includes a spring and a protective frame. The upper end of the connector upper shell and the lower end of the connector lower shell are both connected to springs. The springs are evenly spaced. One end of the spring away from the connector upper shell is connected to the protective frame. Through the deformation of multiple springs, the external force impacting the protective frame can be effectively offset to achieve a buffering effect.

[0011] Preferably, the buffer assembly also includes a connecting frame and a damper. The connecting frame is fixed on the inner side of the protective frame, and the lower end of the connecting frame is connected to the damper. The damper can provide movement resistance and thus achieve buffering to prevent external force from directly impacting the upper shell of the connector and causing damage, thereby playing a protective role.

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

[0013] 1. The new T-type branch cable connector can improve the cable fusion degree by providing a copper sheet inside. It also provides a cavity in the connector upper shell and the connector lower shell, and fills and seals it with photovoltaic potting glue to ensure the internal sealing effect. It can also effectively provide buffer protection through the buffer component. Compared with the traditional air isolation method, the connector greatly improves the overall sealing to prevent damage due to external impact, thereby ensuring the long-term stable operation of the system outdoors;

[0014] 2. The new T-type branch cable connector has protective frames on the upper shell and the lower shell of the connector, and uses the deformation of the spring and the damper to provide movement resistance, which can effectively offset the external impact force and play a buffering effect. In addition, photovoltaic potting glue is injected into the connector to ensure the internal sealing effect even if the external part of the product is damaged by impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the disassembled structure of the upper shell of the connector of the utility model.

[0018] In the figure: 1. Connector upper shell; 2. Branch cable; 3. Copper sheet; 4. Connector lower shell; 5. Limit support; 6. First through hole; 7. Second through hole; 8. Buffer assembly; 9. Support seat; 10. Connecting column; 11. Connecting hole; 12. Groove; 13. Sealing ring; 801. Spring; 802. Protective frame; 803. Connecting frame; 804. Damper. DETAILED DESCRIPTION

[0019] See also Figure 1-2The utility model provides a technical solution: a new type of T-branch cable connector, including a connector upper shell 1, and also including a branch cable 2, a copper sheet 3, a connector lower shell 4, a limit support 5, a first through hole 6, a second through hole 7, and a buffer component 8; the lower end of the connector upper shell 1 is connected to the branch cable 2, the lower end of the branch cable 2 is connected to the copper sheet 3, the lower end of the connector upper shell 1 is connected to the connector lower shell 4, the outer sides of the connector upper shell 1 and the connector lower shell 4 are both provided with a limit support 5, the upper end of the connector upper shell 1 is provided with a first through hole 6, the upper end of the connector upper shell 1 is provided with a second through hole 7, the upper end of the connector upper shell 1 and the lower end of the connector lower shell 4 are both connected with a buffer component 8, by providing the copper sheet 3 inside, the fusion degree of the cable can be improved, and by providing cavities in the connector upper shell 1 and the connector lower shell 4, they can be filled and sealed with photovoltaic potting glue, and the buffer component 8 can be effectively provided for buffering protection. Compared with the traditional air isolation method, the connector greatly improves the overall sealing and prevents external The upper shell 1, the lower shell 4 and the limit support 5 of the connector are all made of imported photovoltaic materials. The materials used in this connector are imported photovoltaic materials, which can ensure that the system can operate outdoors for a long time. The upper and lower shells are ultrasonically bonded to ensure that the product cannot be opened manually, thereby avoiding outages. A support seat 9 is fixed at the upper end of the lower shell 4 of the connector. There are three support seats 9. A connecting column 10 is fixed at the upper end of the support seat 9. The copper sheet 3 can be fixed in position through the three groups of support seats 9, and it plays a supporting role. The surface of the copper sheet 3 is provided with a connecting hole 11, and the connecting hole 11 is engaged with the connecting column 10. The copper sheet 3 is contacted with the cable resistance welding connector at the end of the branch cable 2 through the copper sheet 3, thereby ensuring the strength and welding degree of the connector. A groove 12 is provided at the upper end of the lower shell 4 of the connector, and the groove 12 is engaged with the sealing ring 13. The sealing ring 13 is fixed to the lower end of the upper shell 1 of the connector, and the sealing ring 13 is engaged with the groove 12, so that the lower shell 4 of the connector can be quickly aligned with the upper shell 1 of the connector, so as to be connected together.

[0020] See also Figure 3 In this embodiment, the buffer component 8 includes a spring 801 and a protective frame 802. The upper end of the connector upper shell 1 and the lower end of the connector lower shell 4 are both connected to the spring 801. The springs 801 are distributed at equal intervals. The end of the spring 801 away from the connector upper shell 1 is connected to the protective frame 802. Through the deformation of multiple springs 801, the external force impacting the protective frame 802 can be effectively offset to achieve a buffering effect. The buffer component 8 also includes a connecting frame 803 and a damper 804. The connecting frame 803 is fixed on the inner side of the protective frame 802, and the lower end of the connecting frame 803 is connected to the damper 804. The damper 804 can provide movement resistance, thereby achieving buffering to prevent external force from directly impacting the connector upper shell 1 and causing damage, thereby playing a protective role.

[0021] When using the new T-type branch cable connector of the present technical solution, first, the connection holes 11 on the copper sheet 3 are opened one by one on the connecting column 10, so that the copper sheet 3 can be fixed on the connector lower shell 4, and then, the ends of the three branch cables 2 are respectively clamped in the limit brackets 5, and the cable resistance welding connectors on them are contacted with the copper sheet 3, and then, the sealing ring 13 is clamped into the groove 12, so that the connector lower shell 4 can be connected with the connector upper shell 1, and finally, the photovoltaic potting glue is filled into the connector upper shell 1 from the first through hole 6 to achieve sealing.

[0022] Through the above steps, the cables can be connected by using the connector upper shell 1 and the connector lower shell 4, and then filled and sealed by the photovoltaic potting glue, and the buffer component 8 can effectively provide buffer protection to protect the cables.

[0023] Although 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. A novel T-type branch cable connector, comprising a connector upper housing (1), characterized in that: The invention also comprises a branch cable (2), a copper sheet (3), a connector lower shell (4), a limit bracket (5), a first through hole (6), a second through hole (7), and a buffer component (8); the lower end of the connector upper shell (1) is connected to the branch cable (2), the lower end of the branch cable (2) is connected to the copper sheet (3), the lower end of the connector upper shell (1) is connected to the connector lower shell (4), the outer sides of the connector upper shell (1) and the connector lower shell (4) are both provided with a limit bracket (5), the upper end of the connector upper shell (1) is provided with a first through hole (6), the upper end of the connector upper shell (1) is provided with a second through hole (7), the connector The upper end of the connector upper shell (1) and the lower end of the connector lower shell (4) are both connected to a buffer assembly (8), and the buffer assembly (8) comprises a spring (801), a protective frame (802), a connecting frame (803) and a damper (804). The upper end of the connector upper shell (1) and the lower end of the connector lower shell (4) are both connected to a spring (801), and one end of the spring (801) away from the connector upper shell (1) is connected to the protective frame (802). The buffer assembly (8) further comprises a connecting frame (803) fixed to the inner side of the protective frame (802), and the lower end of the connecting frame (803) is connected to the damper (804).

2. A new T-type branch cable connector according to claim 1, characterized in that: The connector upper shell (1), the connector lower shell (4) and the limit bracket (5) are all made of imported photovoltaic materials.

3. A new T-type branch cable connector according to claim 2, characterized in that: A support seat (9) is fixed to the upper end of the connector lower shell (4), three support seats (9) are provided, and a connecting column (10) is fixed to the upper end of the support seat (9).

4. A novel T-type branch cable connector according to claim 1, characterized in that: A connection hole (11) is provided on the surface of the copper sheet (3), and the connection hole (11) is snap-connected with the connection column (10).

5. A new T-shaped branch cable connector according to claim 3, characterized in that: The upper end of the connector lower shell (4) is provided with a groove (12), the groove (12) is engaged with a sealing ring (13), and the sealing ring (13) is fixed to the lower end of the connector upper shell (1).

6. A novel T-shaped branch cable connector according to claim 1, characterized in that: The springs (801) are distributed at equal intervals.