Electrical cabinet internal and external system lightning protection grounding system
By using insulator studs and threaded studs in the electrical cabinet, the problem of complex lightning protection grounding process in traditional electrical cabinets is solved, enabling rapid grounding connection between the internal and external systems of the electrical cabinet, simplifying the grounding process and improving efficiency.
Patent Information
- Application Number
- CN202423230742.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Traditional electrical cabinet lightning protection grounding process is complex and inefficient, especially since the connection between the internal and external systems of the electrical cabinet requires disassembly and reassembly of the fixing bolts, making the grounding process inconvenient.
Insulator studs are used, with an external threaded post at one end and a threaded hole at the other end. Fixing bolts are installed through the threaded hole to fix the studs inside the electrical cabinet. The lightning protection grounding wire inside the electrical cabinet is sleeved on the external threaded post of the insulator stud, and the first spring flat washer and the fastening nut are sequentially sleeved on it. The lightning protection grounding wire of the external system is sleeved on the external threaded post and located above the fastening nut, and is fixed with a plastic nut.
It enables rapid grounding of the internal and external systems of the electrical cabinet, avoiding the complex disassembly and assembly process of traditional methods, improving grounding efficiency, and simplifying the grounding connection process.
Smart Images
Figure CN223651799U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the electrical cabinet lightning protection technical field, especially relate to a kind of electrical cabinet internal and external system lightning protection grounding system. BACKGROUND
[0002] In the operation process of electrical system, overvoltage that endangers electrical equipment insulation is generated due to lightning, operation, mistake, static electricity and other reasons, which seriously endangers the safety of electrical system, so lightning protection, grounding and static protection of electrical equipment are needed.
[0003] Grounding wire is the wire directly connected to the earth, also known as safety return line, which directly transfers high voltage to the earth in danger, and is a lifeline. In order to avoid accidents, a wire is connected to the metal shell of the electrical appliance, and the other end of the wire is connected to the ground. Once the electrical appliance leaks, the grounding wire will bring static electricity to the ground and release it. In addition, when electricians use electric soldering iron to weld circuits, sometimes the integrated circuits in the electrical appliance will be damaged due to the charge of the electric soldering iron, which is very important.
[0004] The traditional lightning protection grounding adopts metal materials such as iron and copper, and several horizontal and vertical deep trenches are dug on a piece of idle land and buried in the soil as grounding body.
[0005] For electrical cabinet, internal wiring needs to be reassembled and fixed bolt after connecting with external connection; copper bar or other insulating materials are processed and then lightning protection grounding is carried out, which is complex in connection process and low in efficiency. SUMMARY
[0006] The utility model aims at the above-mentioned prior art's insufficient, provides a kind of electrical cabinet internal and external system lightning protection grounding system, realizes the quick grounding of external system cable.
[0007] To solve the above technical problems, the utility model adopts the technical scheme that:
[0008] A kind of electrical cabinet internal and external system lightning protection grounding system, including insulator stud, and the insulator stud one end is equipped with outer thread column, the other end is opened with silk hole, and fixed bolt fixed in electrical cabinet by silk hole,
[0009] Lightning protection grounding wire in electrical cabinet is sleeved on the outer thread column of insulator stud and sequentially sleeved with first elastic pad and fastening nut,
[0010] And external system lightning protection grounding wire is sleeved on the outer thread column and located above fastening nut, and is sleeved with second elastic pad and fixed with nut.
[0011] The bottom of the insulator stud is provided with a conical table, and the silk hole is opened on the bottom end face of the conical table.
[0012] The conical platform is arranged in a double-hammer structure.
[0013] The wire hole is arranged on the bottom surface of the double-hammer structure.
[0014] The screw cap is made of plastic.
[0015] The spring washer is further sleeved between the fastening nut and the first elastic washer.
[0016] The utility model discloses the beneficial effect is:
[0017] (1) the electrical cabinet inside and outside system lightning protection grounding system, through setting up insulator stud, and insulator stud one end is equipped with outer thread column, and the other end is opened wire hole, and is fixed in the electrical cabinet through the fixed bolt of wire hole arrangement, and the lightning protection grounding wire of electrical cabinet inside is sleeved on the outer thread column of insulator stud and is sequentially sleeved first elastic washer and fastening nut, can prevent lightning protection grounding and shell grounding conduction, and after the wiring of electrical cabinet inside is completed, and the external connection does not need to reassemble fixed bolt only needs to remove screw cap, can be connected with the external lightning protection grounding system quickly, simultaneously, using insulator stud does not need secondary processing, avoids copper row or other insulating material processing.
[0018] (2) can realize the quick grounding of external system cable, compared with the conventional processing copper row, insulating bakelite board connects the ground wire more convenient and faster, compared with double-end stud, can avoid shell grounding and lightning protection grounding conduction. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 It is the structure schematic diagram of the utility model;
[0020] Fig. 2 It is the structure schematic diagram of the insulator stud;
[0021] Fig. 3 It is the structure connection schematic diagram of the utility model. DETAILED DESCRIPTION
[0022] The following specific embodiment explains the embodiment of the utility model of the person skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification.
[0023] The utility model provides a kind of electrical cabinet inside and outside system lightning protection grounding system, as shown in Figs. 1 to 3 .
[0024] The lightning protection grounding system of the internal and external system of the electrical cabinet comprises an insulator stud 1, one end of the insulator stud 1 is provided with an external thread column 11, the other end is provided with a wire hole 12, and the insulator stud 1 is fixed in the electrical cabinet through a fixing bolt arranged in the wire hole 12, an internal lightning protection grounding wire 2 of the electrical cabinet is sleeved on the external thread column 11 of the insulator stud 1 and is sequentially sleeved with a first elastic flat washer 14 and a fastening nut 16, preferably, a spring washer 15 is further sleeved between the fastening nut 16 and the first elastic flat washer 14.
[0025] An external system lightning protection grounding wire 3 is sleeved on the external thread column 11 and is located above the fastening nut 16, and is sleeved with a second elastic flat washer 31 and a screw cap 4, the screw cap 4 is made of plastic.
[0026] In the embodiment, the bottom of the insulator stud 1 is provided with a tapered table, the tapered table is provided with a double-hammer-shaped structure arranged symmetrically, the wire hole is arranged on the bottom surface of the double-hammer-shaped structure, one end is used for sleeving and limiting the internal lightning protection grounding wire 2 of the electrical cabinet, and the other end is used for arranging the wire hole 12, and the wire hole 12 is arranged on the bottom end surface of the tapered table, so that installation and limiting are facilitated.
[0027] More specifically, the lightning protection grounding system comprises the insulator stud 1, a fixing standard part and the plastic screw cap 4, one end of the insulator stud 1 is provided with an M10 external thread column 11, the other end is provided with an M10 wire hole 12, an M10 fixing bolt is used to fix the insulator stud 1 to the electrical cabinet, and the internal lightning protection grounding wire 3 of the electrical cabinet is fixed to the external thread column of the insulator stud 1 by using an M10 fastening nut 16 and a first elastic flat washer 14, after the fastening nut 16 is tightened, the external system lightning protection grounding wire 3 can be connected to the fastening nut 16, and the second elastic flat washer 31 and the plastic screw cap 4 are used to fix the external system lightning protection grounding wire 3.
[0028] The lightning protection grounding system of the internal and external system of the electrical cabinet can realize rapid grounding of the external system cable, is more convenient and faster than the conventional processing of copper bars, the connection of insulating bakelite plates and the connection of grounding wires, and can avoid the conduction of the shell grounding and the lightning protection grounding compared with the double-end stud.
[0029] In the patent, the words "first", "second" and the like are used to limit parts, and those skilled in the art should know that the use of "first" and "second" is only for the convenience of describing the utility model and simplifying the description, and the above words do not have special meanings.
[0030] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed application. The scope of protection of the present application is defined by the appended claims and equivalents thereof.
[0031] In the description of the present application, it should be understood that the terms "front", "back", "left", "right", "center", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application.
Claims
1. A lightning protection grounding system for internal and external systems of an electrical cabinet, characterized in that: This includes insulator studs, with one end having an external thread and the other end having a threaded hole. A fixing bolt, inserted through the threaded hole, secures the stud to the electrical cabinet. The lightning protection grounding wire inside the electrical cabinet is sleeved on the external threaded post of the insulator stud and then sequentially connected to the first spring flat washer and the fastening nut. The external system lightning protection grounding wire is sleeved on the external threaded post and located above the fastening nut, and is fixed with a second spring flat washer and the matching nut.
2. The lightning protection grounding system for internal and external systems of an electrical cabinet according to claim 1, characterized in that: The bottom of the insulator stud is provided with a conical platform, and the wire hole is opened on the bottom end face of the conical platform.
3. The lightning protection grounding system for internal and external systems of an electrical cabinet according to claim 2, characterized in that: The conical platform is a symmetrically arranged double-hammer-shaped structure.
4. The lightning protection grounding system for internal and external systems of an electrical cabinet according to claim 3, characterized in that: The wire hole is formed on the bottom surface of the double hammer-shaped structure.
5. A lightning protection grounding system for internal and external systems of an electrical cabinet according to any one of claims 1 to 4, characterized in that: The nut is made of plastic.
6. The lightning protection grounding system for internal and external systems of an electrical cabinet according to claim 5, characterized in that: A spring washer is also fitted between the fastening nut and the first spring washer.