CN223651799U - A lightning protection grounding system for internal and external electrical cabinet systems - Google Patents
A lightning protection grounding system for internal and external electrical cabinet systemsInfo
- Publication number
- CN223651799U CN223651799U CN202423230742.1U CN202423230742U CN223651799U CN 223651799 U CN223651799 U CN 223651799U CN 202423230742 U CN202423230742 U CN 202423230742U CN 223651799 U CN223651799 U CN 223651799U
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- CN
- China
- Prior art keywords
- lightning protection
- protection grounding
- electrical cabinet
- external
- sleeved
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A lightning protection grounding system for an electrical cabinet is characterized in that an insulator stud is arranged, an external thread column is arranged at one end of the insulator stud, a threaded hole is formed in the other end of the insulator stud, a fixing bolt arranged through the threaded hole is fixed in the electrical cabinet, a lightning protection grounding wire in the electrical cabinet is sleeved on the external thread column of the insulator stud and is sleeved with a first elastic flat pad and a fastening nut in sequence, lightning protection grounding and shell grounding are prevented from being conducted, the internal wiring of the electrical cabinet is connected with the outside without dismounting the fixing bolt again, the external lightning protection grounding system can be connected with the external lightning protection grounding system quickly, and meanwhile, secondary machining is not needed by using the insulator stud, and copper bars or other insulating materials are prevented from being machined.
Description
Technical Field
The utility model belongs to the technical field of lightning protection of electrical cabinets, and particularly relates to a lightning protection grounding system for an internal and external system of an electrical cabinet.
Background
In the operation process of the electrical system, overvoltage endangering the insulation of the electrical equipment is generated due to lightning stroke, operation, errors, static electricity and the like, so that the safety of the electrical system is seriously endangered, and lightning protection, grounding and static electricity protection of the electrical equipment are required.
The earth line is a line directly connected to the earth, which may also be referred to as a safety circuit line, and it transfers high voltage directly to the earth in case of danger, thus being a life line. In order to avoid accidents, a wire can be connected to the metal shell of the electric appliance, the other end of the wire is connected to the ground, and once the electric appliance is leaked, static electricity can be brought into the ground by the ground wire to be released. In addition, when an electric iron is used for welding a circuit, an electric iron is electrified to break down and damage an integrated circuit in the electric appliance, which is important for electric appliance maintenance personnel.
The traditional lightning protection grounding adopts metal materials such as iron, copper and the like, a plurality of horizontal and vertical deep ditches are dug on a free land, and the deep ditches are buried in soil to serve as grounding bodies.
The lightning protection grounding device is characterized in that the copper bar or other insulating materials are used for processing and then lightning protection grounding is carried out, the connecting process is complex, and the efficiency is low.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a lightning protection grounding system for an internal system and an external system of an electrical cabinet, which realizes rapid grounding of cables of the external system.
In order to solve the technical problems, the utility model adopts the following technical scheme:
A lightning protection grounding system for an electrical cabinet internal and external systems comprises an insulator stud, wherein one end of the insulator stud is provided with an external thread column, the other end of the insulator stud is provided with a wire hole, and the insulator stud is fixed in the electrical cabinet through a fixing bolt arranged in the wire hole,
The lightning protection grounding lead inside the electric cabinet is sleeved on the external thread column of the insulator stud and is sleeved with the first elastic flat pad and the fastening nut in sequence,
The external system lightning protection grounding lead is sleeved on the external thread column and positioned above the fastening nut, and is sleeved with a second elastic flat pad and the matched nut for fixation.
The bottom of the insulator stud is provided with a conical table, and the wire hole is formed in the bottom end face of the conical table.
The conical table is of a double-hammer structure which is symmetrically distributed.
The wire holes are formed in the bottom surface of the double-hammer structure.
The screw cap is a plastic screw cap.
And a spring washer is sleeved between the fastening nut and the first elastic flat pad.
The beneficial effects of the utility model are as follows:
(1) The lightning protection grounding system for the electrical cabinet is characterized in that an insulator stud is arranged, an external thread column is arranged at one end of the insulator stud, a threaded hole is formed in the other end of the insulator stud, a fixing bolt matched through the threaded hole is fixed in the electrical cabinet, a lightning protection grounding wire in the electrical cabinet is sleeved on the external thread column of the insulator stud and is sleeved with a first elastic flat pad and a fastening nut in sequence, lightning protection grounding and shell grounding are prevented from being conducted, the internal wiring of the electrical cabinet is connected with the outside without dismounting the fixing bolt again, the external lightning protection grounding system can be connected with the external lightning protection grounding system quickly, and meanwhile, secondary machining is not needed by using the insulator stud, and copper bars or other insulating materials are avoided being machined.
(2) The quick grounding of the external system cable can be realized, compared with the conventional processing of copper bars and insulating bakelite plates to be connected with a grounding wire, the quick grounding of the external system cable is more convenient and quick, and compared with a double-end stud, the grounding of the shell and the conduction of lightning protection grounding can be avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of an insulator stud;
fig. 3 is a schematic diagram of the structural connection of the present utility model.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
The utility model provides a lightning protection grounding system for an internal and external system of an electrical cabinet, which is shown in fig. 1 to 3.
The utility model provides an inside and external system lightning protection earthing system of regulator cubicle, including insulator double-screw bolt 1, and insulator double-screw bolt 1 one end is equipped with external screw thread post 11, and open the other end has wire hole 12, and fixes in the regulator cubicle through the fixing bolt that wire hole 12 set up, and the inside lightning protection earthing wire 2 cover of regulator cubicle is established on insulator double-screw bolt 1's external screw thread post 11 and is cup jointed first bullet flat pad 14 and fastening nut 16 in proper order, and preferably, still the cover is equipped with spring washer 15 between fastening nut 16 and the first bullet flat pad 14.
The lightning-proof grounding wire 3 of the external system is sleeved on the external threaded column 11 and is positioned above the fastening nut 16, and is sleeved with the second elastic flat pad 31 and the matched nut 4 for fixation, and the nut 4 adopts a plastic nut.
In the embodiment, the bottom of the insulator stud 1 is provided with a conical table, the conical table is of a double-hammer structure which is symmetrically distributed, a wire hole is formed in the bottom surface of the double-hammer structure, one end of the conical table is used for sleeving an internal lightning-protection grounding wire 2 of the electric cabinet and limiting the internal lightning-protection grounding wire, the other end of the conical table is used for forming a wire hole 12, and the wire hole 12 is formed in the bottom end surface of the conical table, so that the installation and the limiting are convenient.
More specifically, the lightning protection grounding system comprises an insulator stud 1, a fixed standard part and a plastic screw cap 4, wherein an external thread column 11 of M10 is arranged at one end of the insulator stud 1, a thread hole 12 of M10 is formed at the other end of the insulator stud, the insulator stud 1 is fixed into an electrical cabinet by using a fixing bolt of M10, a lightning protection grounding wire 3 in the electrical cabinet is fixed onto the external stud of the insulator stud 1 by using a fastening nut 16 of M10 and a first elastic flat pad 14, after the fastening nut 16 is screwed, the lightning protection grounding wire 3 of the external system can be connected onto the fastening nut 16, and the lightning protection grounding wire 3 of the external system is fixed by matching a second elastic flat pad 31 with the plastic screw cap 4.
The lightning protection grounding system for the electrical cabinet and the external system can realize the rapid grounding of the external system cable, is more convenient and rapid compared with the conventional processing of copper bars and insulating bakelite plates for reconnecting a grounding wire, and can avoid the shell grounding and lightning protection grounding conduction relative to the double-end stud.
Where the terms "first", "second", etc. are used in this patent to define components, those skilled in the art will recognize that the use of "first", "second", etc. is merely for convenience in describing the utility model and to simplify the description, and that the terms are not meant to be limiting.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which are all within the scope of the claimed utility model. The scope of the utility model is defined by the appended claims and equivalents.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "center", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present utility model.
Claims (6)
1. A lightning protection grounding system for an electrical cabinet internal and external systems is characterized by comprising an insulator stud, wherein one end of the insulator stud is provided with an external thread column, the other end of the insulator stud is provided with a wire hole, the insulator stud is fixed in the electrical cabinet through a fixing bolt arranged in the wire hole,
The lightning protection grounding lead inside the electric cabinet is sleeved on the external thread column of the insulator stud and is sleeved with the first elastic flat pad and the fastening nut in sequence,
The external system lightning protection grounding lead is sleeved on the external thread column and positioned above the fastening nut, and is sleeved with a second elastic flat pad and the matched nut for fixation.
2. The lightning protection grounding system for the internal and external systems of the electrical cabinet according to claim 1, wherein the bottom of the insulator stud is provided with a conical table, and the wire hole is formed in the bottom end surface of the conical table.
3. The lightning protection grounding system for electrical cabinets and external systems according to claim 2, wherein the conical table is of a double hammer structure which is symmetrically arranged.
4. A lightning protection grounding system for an electrical cabinet interior and exterior system as set forth in claim 3 wherein said wire openings are formed in the bottom surface of the double hammer structure.
5. A lightning protection grounding system for an electrical cabinet interior and exterior system according to any of claims 1 to 4 wherein said nuts are plastic nuts.
6. The lightning protection grounding system for electrical cabinets and external systems according to claim 5, wherein a spring washer is further sleeved between the fastening nut and the first spring washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423230742.1U CN223651799U (en) | 2024-12-26 | 2024-12-26 | A lightning protection grounding system for internal and external electrical cabinet systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423230742.1U CN223651799U (en) | 2024-12-26 | 2024-12-26 | A lightning protection grounding system for internal and external electrical cabinet systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223651799U true CN223651799U (en) | 2025-12-09 |
Family
ID=97902473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423230742.1U Active CN223651799U (en) | 2024-12-26 | 2024-12-26 | A lightning protection grounding system for internal and external electrical cabinet systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223651799U (en) |
-
2024
- 2024-12-26 CN CN202423230742.1U patent/CN223651799U/en active Active
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