Lightning protection and grounding protection device for electrical system

By designing a combined structure of the mounting frame, undergrid cover and lightning arrester in the electrical system, the problem of large size and unstable lightning protection effect in the existing technology is solved, and a more stable and safe lightning protection grounding protection is achieved.

CN222750116UActive Publication Date: 2025-04-11JIANGSU HUADIAN INSTRUMENTATION THERMAL POWER CO LTD
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Patent Information

Application Number
CN202421917435.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-04-11
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

The protective box in the prior art has a large volume structure and is not easy to be fixed and installed and stable. Its lightning protection structure only uses the box for lightning protection. The lightning protection effect is not safe and stable, and there are certain safety hazards, which are not stable and practical.

Method used

It provides an electrical system lightning protection and grounding protection device, including a mounting frame, a lower mesh cover and a lightning arrester, which is fixedly installed through the side connecting plate of the mounting frame and the lower threaded rod. The side support frame and positioning rod of the lower mesh cover ensure stable installation. The lightning arrester is installed on the left and right sides of the upper end surface of the mounting frame to expand the lightning protection area.

Benefits of technology

It realizes stable installation of the electrical system, expands the lightning protection area, enhances the safety and reliability of lightning protection grounding, and avoids safety hazards caused by unstable lightning protection effects.

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Abstract

The utility model provides a lightning protection and grounding protection device for an electrical system, and relates to the technical field of lightning protection and grounding, the lightning protection and grounding protection device comprises a mounting rack, a lower mesh enclosure and lightning arresters, the left part and the right part of the upper end surface of the mounting rack are respectively provided with two groups of first screw holes, and a group of lightning arresters is sleeved in each group of first screw holes; upper net covers are arranged on the left side and the right side of the upper end of the mounting frame, the upper net cover on each side surrounds the lightning arrester on the same side, a lower net cover is mounted on the lower side of the mounting frame, and a grounding wire is arranged on the lower side of the middle of the lower net cover; side connecting plates are arranged at the left end and the right end of the mounting frame correspondingly, and second screw holes are formed in the side connecting plates. According to the utility model, stable installation can be conveniently carried out in an electrical system field, large-scale lightning protection grounding installation processing can be carried out, the upper side and the lower side are both provided with protective mesh enclosure structures, and the rat-proof processing of the equipment is firm, so that the lasting safety of lightning protection grounding is ensured, and the device is safer and more reliable.
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Description

Technical Field

[0001] The utility model relates to the technical field of lightning protection and grounding, in particular to a lightning protection and grounding protection device for an electrical system. Background Art

[0002] The lightning protection grounding body is a lightning protection material with two functions. One is lightning protection to prevent damage caused by lightning strikes, and the other is static grounding to avoid harm caused by static electricity.

[0003] In the specification of a protection device for a lightning protection grounding body in the prior art (Announcement No. CN209747744U), it is mentioned that "a first rotating shaft is arranged on the front side of the upper surface of the protection box, and the first rotating shaft is connected to the fixed hook, and the second rotating shaft is installed on the lower front side of the protection box, and the second rotating shaft is connected to the box door, the handle is arranged on both sides of the outer wall of the protection box, and grooves are arranged on both sides of the inner wall of the protection box, and rollers are installed in the grooves, and the rollers are arranged at both ends of the main body of the lightning protection grounding body, the fixed plates are arranged on both sides of the inner wall of the protection box, and the fixed plates are fixed to the protection box through threaded bolts, and the fixed plates are arranged on the front side of the rollers". However, the protection box in the prior art has a large volume and structure, and is not easy to be fixed and installed stably. Its lightning protection structure only uses a box body for lightning protection, and the lightning protection effect is not safe and stable. There are certain safety hazards and it is not stable and practical. Utility Model Content

[0004] In order to overcome the defects of the prior art, an electrical system lightning protection and grounding protection device is provided to solve the problem that the protection box in the prior art has a large volume and structure, is not easy to be fixed and installed stably, and its lightning protection structure only uses a box for lightning protection, and the lightning protection effect is not safe and stable, there are certain safety hazards, and it is not stable and practical.

[0005] To achieve the above-mentioned purpose, an electrical system lightning protection and grounding protection device is provided, including a mounting frame, a lower mesh cover and a lightning arrester. Two groups of first screw holes are opened on the left and right parts of the upper end surface of the mounting frame, and a group of lightning arresters are sleeved in each group of first screw holes. Net covers are arranged on the left and right sides of the upper end of the mounting frame, and the net covers on each side are enclosed outside the lightning arrester on the same side. The lower side of the mounting frame is installed with a lower mesh cover, and a grounding wire is arranged on the lower side of the middle part of the lower mesh cover.

[0006] Furthermore, side connecting plates are provided at both ends of the left and right ends of the mounting frame, a second screw hole is opened in the side connecting plates, and a lower threaded rod is provided in the middle of the lower end surface of the mounting frame, a second fastening nut is twisted at the lower end of the lower threaded rod through a thread, and supporting feet are provided at the four corners of the lower end surface of the mounting frame.

[0007] Furthermore, a first set of holes is provided on both the left and right parts of the upper end of the lower net cover, and two sets of side support frames are provided in the middle part of the lower net cover, a second set of holes is provided on the lower part of the side support frames, and a third set of holes is provided on the upper part of the side support frames.

[0008] Furthermore, the third set of holes and the second set of holes on the side support frame are arranged outside the same set of lower threaded rods, and two sets of positioning rods are arranged on the lower side of the middle part of the lower mesh cover, springs are arranged on the outer sleeves of the positioning rods, and the lower part of the positioning rods is arranged through the lower sleeve plate, and the lower end of the positioning rods is twisted with a third fastening nut through a thread, and the lower sleeve plate is fixed to the upper part of the grounding wire.

[0009] Furthermore, the lower end of the grounding wire is grounded, and the lower sleeve plate and the positioning rod are separated and connected.

[0010] Furthermore, a lower connecting section is provided at the lower part of the arrester, and the lower connecting section passes through the first screw hole and the first sleeve hole aligned up and down, and the lower rod body of the lower connecting section is threadedly twisted with a first fastening nut, and a middle pad is provided at the upper part of the lower connecting section.

[0011] The beneficial effects of the utility model are:

[0012] 1. The setting of the middle side connecting plate of the utility model is convenient for fixing and installing the equipment, so as to provide lightning protection and grounding protection devices for the electrical system installation site, and the setting of the lower threaded rod at the lower part is convenient for positioning and installing the upper and lower mesh covers, and the installation is stable, firm, fast and convenient.

[0013] 2. The upper support frame of the lower mesh cover in the utility model is stably placed between the mounting frame and the lower mesh cover, making its installation more stable. The lower mesh cover is arranged to prevent the lower side of the mounting frame from rodents. At the same time, the grounding protection treatment is performed by using the grounding wire arranged on the lower side of the middle part of the lower mesh cover, making its installation safer and more reliable.

[0014] 3. The lightning arrester in the utility model is used for lightning protection. Multiple groups of lightning arresters are installed on the left and right parts of the upper end surface of the mounting frame, so that the lightning protection area is larger and the protection is safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the mounting frame structure of an embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the lower mesh cover structure of an embodiment of the utility model;

[0019] Figure 5 The figure is a schematic diagram of the structure of a lightning arrester according to an embodiment of the utility model.

[0020] In the figure: 1. mounting frame; 10. supporting foot; 11. side connecting plate; 12. first screw hole; 13. lower threaded rod; 14. first fastening nut; 15. upper mesh cover; 16. second screw hole; 2. lower mesh cover; 20. first set of holes; 21. side supporting frame; 22. second fastening nut; 23. grounding wire; 24. lower set of plates; 25. third set of holes; 26. positioning rod; 27. spring; 28. third fastening nut; 29. ​​second set of holes; 3. lightning arrester; 30. middle pad; 31. lower connecting section. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present disclosure.

[0022] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0023] Figure 1 It is a front view schematic diagram of an embodiment of the utility model, Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 3 This is a schematic diagram of the mounting frame structure of an embodiment of the utility model. Figure 4 The schematic diagram of the lower mesh cover structure of the utility model embodiment and Figure 5 The figure is a schematic diagram of the structure of a lightning arrester according to an embodiment of the utility model.

[0024] Reference Figures 1 to 4 As shown, the utility model provides an electrical system lightning protection and grounding protection device, including a mounting frame 1, a lower mesh cover 2 and a lightning arrester 3, two groups of first screw holes 12 are opened on the left and right parts of the upper end surface of the mounting frame 1, and a group of lightning arresters 3 are sleeved in each group of first screw holes 12, and mesh covers 15 are arranged on the left and right sides of the upper end of the mounting frame 1, and the mesh covers 15 on each side are enclosed outside the lightning arrester 3 on the same side, the lower side of the mounting frame 1 is installed, and the lower side of the lower mesh cover 2 is provided with a grounding wire 23 at the lower side of the middle part.

[0025] In this embodiment, side connecting plates 11 are provided at both left and right ends of the mounting frame 1, a second screw hole 16 is opened in the side connecting plate 11, a lower threaded rod 13 is provided in the middle of the lower end surface of the mounting frame 1, and supporting feet 10 are provided at the four corners of the lower end surface of the mounting frame 1.

[0026] As a preferred embodiment, the setting of the middle side connecting plate 11 of the utility model facilitates the fixed installation of the device so as to install a lightning protection and grounding protection device for the electrical system, and the setting of the lower threaded rod 13 at the bottom facilitates the positioning and installation of the upper and lower mesh covers 2, and the installation is stable, firm, quick and convenient.

[0027] In this embodiment, a first set of holes 20 are provided on both the left and right parts of the upper end of the lower mesh cover 2, and two groups of side support frames 21 are provided in the middle part of the lower mesh cover 2, a second set of holes 29 are provided in the lower part of the side support frame 21, and a third set of holes 25 are provided in the upper part of the side support frame 21; the third set of holes 25 and the second set of holes 29 on the side support frame 21 are sleeved outside the same group of lower threaded rods 13, and two groups of positioning rods 26 are provided on the lower side of the middle part of the lower mesh cover 2, the positioning rods 26 are outer-mounted with springs 27, and the lower part of the positioning rods 26 is arranged through the lower plate 24, and the lower end of the positioning rods 26 is twisted with a third fastening nut 28 by threading, and the lower plate 24 is fixed to the upper part of the grounding wire 23; the lower end of the second set of holes 24 is grounded, and the lower plate 24 and the positioning rods 26 are split and connected.

[0028] As a preferred embodiment, the upper support frame 21 of the lower mesh cover 2 of the utility model is stably arranged between the mounting frame 1 and the lower mesh cover 2, making its installation more stable, and the lower mesh cover 2 is arranged to prevent rodents from the lower side of the mounting frame 1, and at the same time, the grounding wire 23 arranged on the lower side of the middle part of the lower mesh cover 2 is used for grounding protection, making its installation safer and more reliable.

[0029] In this embodiment, a lower connecting section 31 is provided at the lower part of the arrester 3, and the lower connecting section 31 passes through the first screw hole 12 and the first sleeve hole 20 which are aligned up and down, and the lower rod body of the lower connecting section 31 is threadedly twisted with the first fastening nut 14, and a middle pad 30 is provided at the upper part of the lower connecting section 31.

[0030] As a preferred embodiment, the lightning arrester 3 in the utility model is used for lightning protection. Multiple groups of lightning arresters 3 are installed on both the left and right parts of the upper end surface of the mounting frame 1, so that the lightning protection area is larger and the protection is safer and more reliable.

[0031] The utility model can effectively solve the problems in the prior art that the protection box has a large volume and structure, is not easy to be fixed and installed stably, and its lightning protection structure only uses a box body for lightning protection, the lightning protection effect is not safe and stable, there are certain safety hazards, and it is not stable and practical. The utility model is convenient for stable installation in the electrical system site, not only performs a large-scale lightning protection grounding installation treatment, but also has protective mesh cover structures on the upper and lower sides, and the rodent protection treatment of the equipment itself is also firm, so as to ensure the long-term safety of its lightning protection grounding, which is safer and more reliable.

[0032] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. An electrical system lightning protection and grounding protection device, characterized in that: The invention comprises a mounting frame (1), a lower mesh cover (2) and a lightning arrester (3), wherein two groups of first screw holes (12) are provided on the left and right parts of the upper end surface of the mounting frame (1), and a group of lightning arresters (3) are sleeved in each group of first screw holes (12), and mesh covers (15) are provided on the left and right sides of the upper end of the mounting frame (1), and the mesh covers (15) on each side are enclosed outside the lightning arrester (3) on the same side, and the lower side of the mounting frame (1) is installed with a lower mesh cover (2), and a grounding wire (23) is provided on the lower side of the middle part of the lower mesh cover (2).

2. An electrical system lightning protection and grounding protection device according to claim 1, characterized in that: The left and right ends of the mounting frame (1) are both provided with side connecting plates (11), a second screw hole (16) is opened in the side connecting plates (11), a lower threaded rod (13) is provided in the middle of the lower end surface of the mounting frame (1), a second fastening nut (22) is screwed on the lower end of the lower threaded rod (13), and supporting feet (10) are provided at the four corners of the lower end surface of the mounting frame (1).

3. The electrical system lightning protection and grounding protection device according to claim 1, characterized in that: The left and right upper ends of the lower net cover (2) are both provided with a first set of holes (20), and the middle portion of the lower net cover (2) is provided with two sets of side support frames (21), the lower portion of the side support frames (21) is provided with a second set of holes (29), and the upper portion of the side support frames (21) is provided with a third set of holes (25).

4. The electrical system lightning protection and grounding protection device according to claim 3, characterized in that: The third set of holes (25) and the second set of holes (29) on the side support frame (21) are sleeved outside the same set of lower threaded rods (13), and two sets of positioning rods (26) are arranged on the lower side of the middle part of the lower mesh cover (2), and the positioning rods (26) are provided with springs (27) on their outer sleeves, and the lower parts of the positioning rods (26) are arranged through the lower sleeve plate (24), and the lower ends of the positioning rods (26) are screwed with third fastening nuts (28), and the lower sleeve plate (24) is fixed to the upper part of the grounding wire (23).

5. The electrical system lightning protection and grounding protection device according to claim 4, characterized in that: The lower end of the grounding wire (23) is grounded, and the lower sleeve plate (24) and the positioning rod (26) are separated and connected.

6. The electrical system lightning protection and grounding protection device according to claim 1, characterized in that: The lower part of the arrester (3) is provided with a lower connecting section (31), and the lower connecting section (31) passes through a first screw hole (12) and a first sleeve hole (20) which are aligned up and down, and a lower rod body of the lower connecting section (31) is threadedly screwed with a first fastening nut (14), and a middle pad (30) is provided on the upper part of the lower connecting section (31).

Citation Information

Patent Citations

  • Protection device of lightning protection grounding body

    CN209747744U