Ground wire leading-out device of gas insulated switchgear
By designing a ground wire lead-out device for inflatable cabinets, including grounding seats, ground wire lead-out columns, ground wire lead-out columns and ground wire lead-out blocks, the problem of ground wire introduction affecting sealing effect when the inflatable cabinet is grounded, and the effect of simplifying the grounding process and improving sealing effect is achieved.
Patent Information
- Application Number
- CN202420635041.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-03-29
AI Technical Summary
When the inflatable cabinet is grounded, the introduction of the ground wire will affect the sealing effect of the cabinet body, and the wiring is complicated and difficult to deal with.
A ground wire lead-out device for inflatable cabinet is designed, including a cylindrical grounding seat, ground wire lead-out column, ground wire lead-out column and ground wire lead-out block. Through the design of these components, the introduction and lead-out of ground wire is realized, simplifying the grounding process.
This device directly connects the cabinet body by introducing a ground wire at the cabinet door seal and directly connecting the cabinet body through the ground wire lead-out column and lead-out block, avoiding the complex process of adapting through the wiring terminal, simplifying the grounding operation and improving the sealing effect.
Smart Images

Figure CN222620509U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of a ground wire lead-out device for an inflatable cabinet, in particular to a ground wire lead-out device for an inflatable cabinet. Background Art
[0002] The core equipment inside the inflatable cabinet uses a gas-insulated metal-enclosed switch. The cabinet body uses a combination of air insulation and sulfur hexafluoride gas compartments. The cabinet door is required to be sealed, but according to electrical requirements, the cabinet door needs to be grounded, and the grounding needs to be introduced from the outside, which will affect the sealing effect of the cabinet. The cabinet frame, cabinet panel, cabinet door, etc. need to be grounded. If the ground wire is introduced from the outside, the ground wire needs to be led to the terminal block and then branched to connect to various parts of the cabinet, making the wiring complicated and difficult to handle. Summary of the invention
[0003] The technical problem to be solved by the utility model is to provide a ground wire lead-out device for an inflatable cabinet, which can conveniently carry out grounding of the inflatable cabinet.
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0005] A ground wire lead-out device for an inflatable cabinet comprises a cylindrical grounding seat, a protruding ground wire lead-in column is provided at the center of one side of the grounding seat, a lead-in threaded hole for ground wire connection is provided on the grounding column, through holes are evenly distributed on the grounding seat, a protruding ground wire lead-out column is provided at the center of the other side of the grounding seat, a lead-out threaded hole for cabinet ground wire connection is provided on the grounding column, and a sealing ring groove is provided on the end face of the grounding seat on the same side of the ground wire lead-out column.
[0006] The ground wire lead-out blocks are evenly distributed on the ground wire lead-out column, and the ground wire lead-out blocks are provided with connecting threaded holes for connecting with the lead-out ground wires.
[0007] The ground wire lead-out block is detachably connected to the ground wire lead-out column.
[0008] The end surface of the ground wire lead-out column is provided with evenly distributed ground wire lead-out grooves, the bottom of the ground wire lead-out groove is provided with a connecting threaded hole for connecting with the lead-out ground wire, and the ground wire lead-out groove is provided with a notch away from the axis.
[0009] The above-mentioned ground wire lead-out groove is in sliding contact with the lead-out wire clamp, the lead-out wire clamp is connected to the connecting threaded hole through a bolt, and the lead-out end of the lead-out wire clamp is led out from the notch of the ground wire lead-out groove and connected to the ground wire.
[0010] The ground wire lead-out groove and the lead-out wire clamp are T-shaped.
[0011] The above-mentioned grounding seat, ground wire lead-in column and ground wire lead-out column are conductors.
[0012] The utility model provides a ground wire lead-out device for an inflatable cabinet, which seals a seat body and a cabinet door, and leads out a plurality of blocks or slots that can be connected to the ground wire on a lead-out column, so that the grounding of various parts of the cabinet does not need to be switched through wiring terminals, which greatly facilitates the grounding operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0014] Figure 1 It is a schematic diagram of the grounding device of the utility model;
[0015] Figure 2 It is a cross-sectional schematic diagram of the grounding device of the utility model;
[0016] Figure 3 A cross-sectional schematic diagram of a preferred solution for a grounding device;
[0017] Figure 4 This is a schematic diagram of one side of the lead-out column of the preferred solution for the grounding device.
[0018] In the figure: grounding base 1, ground wire lead-in column 2, lead-in threaded hole 3, through hole 4, sealing ring groove 5, ground wire lead-out column 6, lead-out threaded hole 7, ground wire lead-out block 8, connecting threaded hole 9, ground wire lead-out groove 10, lead-out wire clamp 11. DETAILED DESCRIPTION
[0019] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0020] like Figure 1-4 As shown in the figure, a ground wire lead-out device for an inflatable cabinet comprises a cylindrical grounding seat 1, a protruding ground wire lead-in column 2 is provided at the center of one side of the grounding seat 1, and an lead-in threaded hole 3 for ground wire connection is provided on the grounding wire lead-in column 2, and through holes 4 are evenly distributed on the grounding seat 1, a protruding ground wire lead-out column 6 is provided at the center of the other side of the grounding seat 1, and a lead-out threaded hole 7 for cabinet ground wire connection is provided on the grounding wire lead-out column 6, and a sealing ring recess 5 is provided on the end face of the grounding seat 1 on the same side of the ground wire lead-out column 6.
[0021] The external ground wire is connected to the introduction threaded hole 3 through the ground wire introduction column 2, the column iron is inserted into the through hole 4 and welded to the cabinet door, and the sealing with the cabinet door is achieved by the sealing ring in the sealing ring groove 5. The ground wire lead-out column 6 passes through the cabinet door and enters the cabinet, and is connected to the lead-out ground wire at the lead-out threaded hole 7, and the lead-out ground wire is connected to the internal cabinet body.
[0022] The ground wire lead-out blocks 8 are evenly distributed on the ground wire lead-out column 6 , and the ground wire lead-out blocks 8 are provided with connecting threaded holes 9 for connecting with the lead-out ground wire.
[0023] The ground wire lead-out block 8 is detachably connected to the ground wire lead-out column 6 .
[0024] Through the ground wire lead-out block 8, multiple ground wires are led out from the ground wire lead-out column 6 and connected to various parts in the cabinet that need to be grounded, without the need to transfer the wiring terminals.
[0025] The end surface of the ground lead-out column 6 is provided with evenly distributed ground lead-out grooves 10, the bottom of the ground lead-out groove 10 is provided with a connecting threaded hole 9 for connecting with the lead-out ground wire, and the ground lead-out groove 10 is provided with a notch away from the axis.
[0026] The above-mentioned ground wire lead-out groove 10 is in sliding contact with the lead-out wire clamp 11, and the lead-out wire clamp 11 is connected to the connecting threaded hole 9 through a bolt. The lead-out end of the lead-out wire clamp 11 is led out from the notch of the ground wire lead-out groove 10 and connected to the ground wire.
[0027] The ground wire lead-out groove 10 and the lead-out wire clamp 11 are T-shaped.
[0028] The grounding socket 1, the ground wire lead-in column 2 and the ground wire lead-out column 6 are conductors.
[0029] Through the ground wire lead-out groove 10, the ground wire is embedded in the groove body through the lead-out wire clamp 11, and then connected by bolts. The shape of the groove body makes it possible for the ground wire lead-out column 6 to have no protruding part before the connecting wire body, so as to facilitate connection and sealing with the cabinet body.
Claims
1. A ground wire lead-out device for an inflatable cabinet, characterized by: The invention comprises a cylindrical grounding seat (1), wherein a protruding grounding lead-in column (2) is provided at the center of one side of the grounding seat (1), and a lead-in threaded hole (3) for connecting a grounding wire is provided on the grounding lead-in column (2), and through holes (4) are evenly distributed on the grounding seat (1), and a protruding grounding lead-out column (6) is provided at the center of the other side of the grounding seat (1), and a lead-out threaded hole (7) for connecting a cabinet grounding wire is provided on the grounding lead-out column (6), and a sealing ring recess (5) is provided on the end surface of the grounding seat (1) on the same side as the grounding lead-out column (6).
2. The ground wire lead-out device of the inflatable cabinet according to claim 1, characterized in that: The ground wire lead-out column (6) is evenly distributed with ground wire lead-out blocks (8), and the ground wire lead-out blocks (8) are provided with connecting threaded holes (9) for connecting with the lead-out ground wire.
3. The ground wire lead-out device of the inflatable cabinet according to claim 2, characterized in that: The ground wire lead-out block (8) is detachably connected to the ground wire lead-out column (6).
4. The ground wire lead-out device of the inflatable cabinet according to claim 1, characterized in that: The end surface of the ground wire lead-out column (6) is provided with evenly distributed ground wire lead-out grooves (10), the bottom of the ground wire lead-out groove (10) is provided with a connecting threaded hole (9) for connecting to the lead-out ground wire, and the ground wire lead-out groove (10) is provided with a notch away from the axis.
5. The ground wire lead-out device for an inflatable cabinet according to claim 4, characterized in that: The ground wire lead-out groove (10) is in sliding contact with the lead-out wire clamp (11), the lead-out wire clamp (11) is connected to the connecting threaded hole (9) via a bolt, and the lead-out end of the lead-out wire clamp (11) is led out from the notch of the ground wire lead-out groove (10) and connected to the ground wire.
6. The ground wire lead-out device for an inflatable cabinet according to claim 5, characterized in that: The ground wire lead-out groove (10) and the lead-out wire clamp (11) are T-shaped.
7. The ground wire lead-out device of an inflatable cabinet according to claim 1, characterized in that: The grounding seat (1), the ground wire lead-in column (2) and the ground wire lead-out column (6) are conductors.