Low-voltage switch cabinet with grounding protection
By introducing conductive bases, conductive shafts, and set screws into the low-voltage switchgear, the problem of loose or broken grounding wires was solved, thus achieving reliability and safety in grounding operations.
Patent Information
- Application Number
- CN202520010606.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-03
AI Technical Summary
In existing low-voltage switchgear, the grounding wire is prone to loosening or breaking when the cabinet door is grounded, which reduces safety.
A low-voltage switchgear with grounding protection was designed. By setting conductive seats and conductive shafts on the cabinet door, combined with conductive copper busbars and insulating baffles, and using set screws to fix the grounding wire, the stability of the grounding connection is ensured.
It improves the safety of low-voltage switchgear, ensures the reliability and stability of grounding operation, and prevents the grounding wire from becoming loose or broken.
Smart Images
Figure CN223785535U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a low-voltage switchgear with grounding protection, belonging to the field of switchgear technology. Background Technology
[0002] Currently used low-voltage switchgear typically grounds the cabinet door by connecting the door to the grounding copper busbar via a grounding wire. However, this grounding wire is prone to loosening or breaking during the repeated opening and closing of the cabinet door. To address this issue, a new technical solution is proposed. Utility Model Content
[0003] The purpose of this invention is to provide a low-voltage switchgear with grounding protection to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, the present invention adopts the following technical solution: a low-voltage switchgear with grounding protection, comprising a cabinet body, wherein the cabinet body is provided with an upper shaft hole, a docking groove and a cabinet door, the upper shaft hole is opened at the top right side of the front end inside the cabinet body, the docking groove is opened at the bottom right end of the inner side of the cabinet body, the cabinet door is placed at the front end inside the cabinet body, and grooves are symmetrically opened at the upper and lower ends of the right side of the cabinet door, and a conductive seat is fixedly installed on the groove by screws, and a conductive shaft is integrally formed and connected to the middle of the outer end of the conductive seat, and the upper conductive shaft is nested in the upper shaft hole.
[0005] Preferably, a grounding copper busbar is installed and fixed in the docking groove by screws. The grounding copper busbar is provided with a conductive groove and a conductive busbar. The conductive groove is opened at the front end of the grounding copper busbar, and the conductive busbar is integrally formed and connected to the top right side of the grounding copper busbar.
[0006] Preferably, a conductive block is nested on the conductive groove, and an insulating baffle and a lower shaft hole are provided on the conductive block. The insulating baffle is fixed to the middle of the front end of the conductive block by screws, and the two sides of the insulating baffle are fixedly connected to the two sides of the front end of the grounding copper busbar by screws. The lower shaft hole is opened in the middle of the conductive block and is fitted onto the lower conductive shaft.
[0007] Preferably, the top of the conductive busbar has conductive ports at equal intervals, and the left side of each conductive port is connected to a set screw via a thread.
[0008] Compared with the prior art, the beneficial effects of this utility model are as follows: The left side of the conductive port of this utility model is connected by a set screw via a thread, which can be used to fix the grounding wire on the conductive port; the two sides of the insulating baffle are fixedly connected to the front sides of the grounding copper busbar by screws, allowing the conductive block to be easily installed and fixed on the grounding copper busbar; the lower shaft hole is fitted onto the lower conductive shaft, allowing the cabinet door to be connected to the conductive block; in summary, this utility model can easily perform grounding operations on low-voltage switchgear, effectively improving the safety of low-voltage switchgear. Attached Figure Description
[0009] Figure 1 This is a schematic diagram of the structure of this utility model;
[0010] Figure 2 This is a schematic diagram of the cabinet door structure of this utility model;
[0011] Figure 3 This is a schematic diagram of the grounding copper busbar structure of this utility model;
[0012] In the diagram: 1-Cabinet body; 2-Upper shaft hole; 3-Matching groove; 4-Cabinet door; 5-Groove; 6-Conductive seat; 7-Conductive shaft; 8-Grounding copper busbar; 9-Conductive groove; 10-Conductive busbar; 11-Conductive block; 12-Insulating baffle; 13-Lower shaft hole; 14-Conductive port; 15-Set screw. Detailed Implementation
[0013] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0014] like Figure 1-3 As shown, a low-voltage switchgear with grounding protection includes a cabinet 1. The cabinet 1 has an upper shaft hole 2, a docking groove 3, and a cabinet door 4. The upper shaft hole 2 is located on the top right side of the front end inside the cabinet 1. The docking groove 3 is located on the bottom right side of the inside of the cabinet 1. The cabinet door 4 is placed inside the front end of the cabinet 1. The upper and lower right sides of the cabinet door 4 have symmetrical grooves 5. A conductive seat 6 is fixed to the groove 5 by screws. A conductive shaft 7 is integrally formed and connected to the middle of the outer end of the conductive seat 6. The upper conductive shaft 7 is nested in the upper shaft hole 2. A grounding copper busbar 8 is fixed to the docking groove 3 by screws. The grounding copper busbar 8 is provided with a conductive groove 9 and a conductive busbar... 10. A conductive groove 9 is formed at the front end of the grounding copper busbar 8. The conductive busbar 10 is integrally formed and connected to the top right side of the grounding copper busbar 8. A conductive block 11 is nested on the conductive groove 9. An insulating baffle 12 and a lower shaft hole 13 are provided on the conductive block 11. The insulating baffle 12 is fixed to the middle of the front end of the conductive block 11 by screws. The two sides of the insulating baffle 12 are fixedly connected to the two sides of the front end of the grounding copper busbar 8 by screws. The lower shaft hole 13 is formed in the middle of the conductive block 11 and is fitted onto the lower conductive shaft 7. Conductive ports 14 are equidistantly formed on the top of the conductive busbar 10. A set screw 15 is threadedly connected to the left side of the conductive port 14.
[0015] Specific usage method: Place the grounding wires on the internal components of the cabinet 1 into the conductive ports 14 on the conductive busbar 10, and fix them with the set screws 15; the lower conductive shaft 7 on the cabinet door 4 is nested into the lower shaft hole 13 on the conductive block 11, so that the cabinet door 4 is connected to the grounding copper busbar 8; finally, connect the grounding copper busbar 8 to the grounding body through the grounding wire.
[0016] The above description is a preferred embodiment of the present utility model. For those skilled in the art, any changes, modifications, substitutions and variations made to the implementation methods without departing from the principles and spirit of the present utility model, based on the teachings of the present utility model, still fall within the protection scope of the present utility model.
Claims
1. A low-voltage switchgear with grounding protection, comprising a cabinet (1), characterized in that: The cabinet (1) is provided with an upper shaft hole (2), a docking groove (3) and a cabinet door (4). The upper shaft hole (2) is opened at the top right side of the front end inside the cabinet (1). The docking groove (3) is opened at the bottom right end of the inside of the cabinet (1). The cabinet door (4) is placed at the front end inside the cabinet (1). The upper and lower ends of the right side of the cabinet door (4) are symmetrically provided with grooves (5). A conductive seat (6) is installed and fixed on the groove (5) by screws. A conductive shaft (7) is integrally formed and connected to the middle of the outer end of the conductive seat (6). The upper conductive shaft (7) is nested in the upper shaft hole (2).
2. A low-voltage switchgear with grounding protection according to claim 1, characterized in that: A grounding copper busbar (8) is fixed in the docking groove (3) by screws. A conductive groove (9) and a conductive busbar (10) are provided on the grounding copper busbar (8). The conductive groove (9) is opened at the front end of the grounding copper busbar (8), and the conductive busbar (10) is integrally formed and connected to the top right side of the grounding copper busbar (8).
3. A low-voltage switchgear with grounding protection according to claim 2, characterized in that: A conductive block (11) is nested on the conductive groove (9). An insulating baffle (12) and a lower shaft hole (13) are provided on the conductive block (11). The insulating baffle (12) is fixed to the middle of the front end of the conductive block (11) by screws. The two sides of the insulating baffle (12) are fixedly connected to the two sides of the front end of the grounding copper busbar (8) by screws. The lower shaft hole (13) is opened in the middle of the conductive block (11) and is fitted onto the lower conductive shaft (7).
4. A low-voltage switchgear with grounding protection according to claim 2, characterized in that: The conductive busbar (10) has conductive ports (14) equidistantly spaced on its top, and a set screw (15) is threadedly connected to the left side of the conductive port (14).