CN217607039U - Protection ground structure and adopt its lightning protection junction box - Google Patents
Protection ground structure and adopt its lightning protection junction box Download PDFInfo
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- CN217607039U CN217607039U CN202220595869.5U CN202220595869U CN217607039U CN 217607039 U CN217607039 U CN 217607039U CN 202220595869 U CN202220595869 U CN 202220595869U CN 217607039 U CN217607039 U CN 217607039U
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Abstract
The utility model discloses a protection ground structure, including protection ground busbar and mounting panel, the mounting panel is laid on the cabinet body and is provided with a plurality of, the protection ground busbar extends along the direction of arranging of mounting panel and arranges, the protection ground busbar is connected with every mounting panel electricity respectively, the protection ground busbar still is connected with cabinet body electricity, and the protection ground busbar is connected with the earth connection electricity of the protection ground of introducing from the external cabinet body. Protection ground structure and adopt its lightning protection junction box in every mounting panel all directly be connected with protection ground busbar respectively, connection stability is good, the reliability is high, one of them mounting panel is connected with protection ground busbar disconnection electricity can not influence other mounting panels, other mounting panels still have reliable ground protection.
Description
Technical Field
The utility model relates to a separated time cabinet technical field especially relates to a protection ground structure and adopt its lightning protection separated time cabinet.
Background
The lightning protection base mounting plate of the railway lightning protection junction box generally comprises a plurality of metal plates, the metal plates are arranged from the bottom of the box to the top of the box in a layered mode, and all the lightning protection base mounting plates are required to be electrically connected with other metal structures in the box body of the lightning protection junction box and grounded. In the prior art, the lightning protection base mounting plates are usually connected in series one by adopting ground wires, then the last lightning protection base mounting plate is connected with the ground wire of the cabinet body in a pressing mode on the protective ground busbar, the connection reliability of the existing mode is low, the structural strength of the ground wire for series connection is weak in bearing capacity, the situation of ground wire disconnection is easy to occur, when one of the ground wires for series connection is disconnected, all the lightning protection base mounting plates which are far away from the protective ground busbar from the disconnection position can fail in grounding protection, the use safety and reliability are low, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve and the technical task who provides improve prior art, provide a protection ground structure, the grounding mode reliability of adopting among the solution prior art is poor, and one of them ground wire is disconnected can lead to a plurality of thunder base mounting panel ground protection inefficacys, the poor problem of safety in utilization.
For solving the above technical problem, the technical scheme of the utility model is that:
a protective grounding structure comprises a plurality of protective grounding busbars and mounting plates, wherein the mounting plates are arranged on a cabinet body in an arrangement mode, the protective grounding busbars extend along the arrangement direction of the mounting plates and are electrically connected with each mounting plate respectively, the protective grounding busbars are further electrically connected with the cabinet body, and the protective grounding busbars are electrically connected with a protective grounding wire led in from the outside of the cabinet body. Protection ground structure adopt the protection ground busbar of arranging the direction along the mounting panel and extending the setting, the distribution region of mounting panel has been covered to the size of protection ground busbar for every mounting panel all directly is connected with protection ground busbar, the cabinet body also with protection ground busbar lug connection with the earth connection of protection ground, effectively improve connection stability, improve and use fail safe nature, even if even one of them mounting panel is connected with protection ground busbar disconnection electricity, can not influence other mounting panels yet, other mounting panels still have reliable ground protection.
Furthermore, the mounting plates are arranged along a straight line, the protective ground busbar is a straight bar in the arrangement direction of the mounting plates, the structure is simple and compact, the implementation is easy, the straight bar-shaped protective ground busbar is easy to process, the structural stability is good, and the protective ground busbar can be reliably and electrically connected with the mounting plates.
Further, the mounting panel is vertically arranged in a straight line, and the protective ground busbar is a straight bar along the vertical direction.
Furthermore, be provided with the pillar on the mounting panel, protection ground busbar overlap joint is in order to be connected with the mounting panel electricity through the pillar on the pillar, and the structural strength of pillar is high, stability is good, and the pillar both plays the effect of supporting protection ground busbar, also plays the effect of electricity connection, and the pillar is not fragile, can guarantee reliable electricity and connect, improves earth protection's fail safe nature.
Furthermore, the protection ground busbar can be detachably connected with the support column, so that the maintenance, the replacement and other operations are convenient, the maintenance flexibility is improved, and the cost is reduced.
Furthermore, the through-hole has been seted up on the protection ground busbar, the top of pillar is provided with the connecting portion that are used for passing the through-hole, and the installation fastener is in order to connect protection ground busbar pressure on the pillar on the connecting portion, simple structure, easy to carry out, installs and removes the convenience, and is efficient, connects that the steadiness is good, the reliability is high, can ensure stable electricity and connect, reduces the sending that unexpected disconnection situation appears.
A lightning protection junction box comprises the protection grounding structure.
Compared with the prior art, the utility model discloses the advantage lies in:
protection ground structure and adopt its lightning protection junction box in every mounting panel all directly be connected with protection ground busbar respectively, connection stability is good, the reliability is high, one of them mounting panel is connected with protection ground busbar disconnection electricity can not influence other mounting panels, other mounting panels still have reliable ground protection.
Drawings
FIG. 1 is a schematic structural diagram of a protective grounding structure;
FIG. 2 is a side view of the protective earth strap in connection with the mounting plate.
In the figure:
the protective earth bus bar 1, the mounting plate 2, the cabinet 3, the protective earth ground wire 4, the pillar 5 and the fastener 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses a protection ground structure effectively improves ground connection and connects reliability and stability, improves the safety in utilization, even if appear connecting the disconnection situation also only influence single mounting panel, falls to the minimum with the influence.
As shown in fig. 1 and 2, a lightning protection junction box adopts a protective grounding structure including a protective grounding busbar 1 and mounting plates 2, wherein the mounting plates 2 are vertically arranged on a box body 3 of the lightning protection junction box, the protective grounding busbar 1 extends along the arrangement direction of the mounting plates 2, in other words, the protective grounding busbar 1 extends vertically, that is, the protective grounding busbar 1 is a long-strip structure along the vertical direction, the protective grounding busbar 1 covers the arrangement area of the mounting plates 2, each mounting plate 2 is directly and electrically connected with the protective grounding busbar 1, the protective grounding busbar 1 is further electrically connected with the box body 3 through a metal ground wire or a metal bar, and the protective grounding busbar 1 is electrically connected with a protective grounding wire 4 led in from the outside of the box body 3, so as to form a star-type parallel structure, the electrical connection of any one mounting plate 2 with the protective grounding busbar 1 is disconnected, and only the mounting plate 2 is affected, and the protective grounding of the other mounting plates 2 is still effective, so as to ensure the use reliability and reduce the potential safety hazard.
In this embodiment, the mounting plate 2 is provided with the support post 5, the support post 5 is a metal post, the support post 5 is welded or riveted on the mounting plate 2, so as to ensure stable connection and improve electrical connection reliability, the protective ground busbar 1 is lapped on the support post 5 so as to be electrically connected with the mounting plate 2 through the support post 5, the support post 5 has good structural stability and high strength, the support post 5 is not easy to break or fracture, the support post 5 can stably support the protective ground busbar 1, and can ensure electrical connection reliability between the mounting plate 2 and the protective ground busbar 1, thereby avoiding electrical connection disconnection caused by poor contact and other reasons;
the protective earth busbar 1 and the pillar 5 can be fixedly connected or detachably connected, specifically, a through hole is formed in the protective earth busbar 1, a connecting part for penetrating through the through hole is arranged at the top of the pillar 5, the connecting part is a threaded section, and a fastener 6 is screwed on the connecting part to fasten and press the protective earth busbar 1 on the pillar 5, so that the protective earth busbar is convenient to assemble and disassemble, and the connection stability and the electrical connection reliability are guaranteed;
only one support post 5 can be arranged on each mounting plate 2, and a plurality of support posts 5 can also be arranged at intervals, so that the reliability of electric connection can be further guaranteed.
The protective grounding structure can be used for a lightning protection junction cabinet, and can also be used in other occasions which are composed of a plurality of mounting plates and are protected (safely) grounded, such as a railway signal combination cabinet, a power supply screen, a terminal cabinet (box) and the like.
The above are only preferred embodiments of the present invention, and it should be noted that the above preferred embodiments should not be considered as limitations of the present invention, and the scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (7)
1. The protective grounding structure is characterized by comprising protective grounding busbars (1) and mounting plates (2), wherein a plurality of mounting plates (2) are arranged on a cabinet body (3), the protective grounding busbars (1) extend along the arrangement direction of the mounting plates (2), the protective grounding busbars (1) are electrically connected with each mounting plate (2), the protective grounding busbars (1) are also electrically connected with the cabinet body (3), and the protective grounding busbars (1) are electrically connected with protective grounding wires (4) led from the outside of the cabinet body (3).
2. The protective earthing structure according to claim 1, characterized in that the mounting plates (2) are arranged in a straight line, and the protective earthing busbar (1) is a straight bar along the arrangement direction of the mounting plates (2).
3. The protective earthing structure according to claim 2, characterized in that the mounting plates (2) are vertically arranged in a straight line, and the protective earthing busbar (1) is a straight bar along the vertical direction.
4. Protective earthing structure according to claim 1, characterized in that a pillar (5) is provided on the mounting plate (2), the protective earthing busbar (1) overlapping the pillar (5) to be electrically connected with the mounting plate (2) through the pillar (5).
5. Protective earth structure according to claim 4, characterized in that the protective earth busbar (1) is detachably connected to a pillar (5).
6. The protective earth structure according to claim 5, characterized in that the protective earth busbar (1) is provided with a through hole, the top of the pillar (5) is provided with a connecting portion for passing through the through hole, and a fastener (6) is mounted on the connecting portion to press-fit the protective earth busbar (1) on the pillar (5).
7. A lightning protection junction box comprising the protective grounding structure of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220595869.5U CN217607039U (en) | 2022-03-18 | 2022-03-18 | Protection ground structure and adopt its lightning protection junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220595869.5U CN217607039U (en) | 2022-03-18 | 2022-03-18 | Protection ground structure and adopt its lightning protection junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217607039U true CN217607039U (en) | 2022-10-18 |
Family
ID=83563386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220595869.5U Active CN217607039U (en) | 2022-03-18 | 2022-03-18 | Protection ground structure and adopt its lightning protection junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217607039U (en) |
-
2022
- 2022-03-18 CN CN202220595869.5U patent/CN217607039U/en active Active
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