CN213305994U - Anti-static grounding device of low-voltage control cabinet - Google Patents

Abstract

The utility model discloses a low-voltage control cabinet prevent static earthing device relates to electrical equipment safety protection technical field. The utility model discloses a low-voltage control cabinet main part and ground connection ground, the low-voltage control cabinet main part sets up on the ground connection ground, the welding has metal welding spare on the both sides casing of low-voltage control cabinet main part, first earth connection and second earth connection have been welded respectively on the both sides metal welding spare of low-voltage control cabinet main part, the ground connection ground includes the former soil of ground and backfill, the backfill setting is directly over the former soil of ground, the former native upper level of ground is placed and is set up the ground connection main line, it has the metal to peg graft on the ground connection main line and inserts the body to the metal inserts the body lower part and all inserts in the former soil of ground. The utility model discloses a set up first earth connection and second earth connection, can realize dual antistatic protection, improve the security of low-voltage control cabinet's operation, through setting up the metal plug-in body to set up the barb body on the metal plug-in body, can improve the fastness and the stability of ground connection.

Description

Anti-static grounding device of low-voltage control cabinet

Technical Field

The utility model belongs to the technical field of electrical equipment safety protection, especially, relate to a low-voltage control cabinet prevent static earthing device.

Background

Static electricity is mainly generated by mutual friction of different substances, in an electric power engineering control plant, the harm caused by the static electricity is manifold, firstly, a plurality of devices and instruments in the engineering are sensitive to static voltage, and the static electricity can influence the normal work of the engineering and even cause errors; secondly, the high voltage generated by the static electricity can cause the electric shock of human body; in addition, when the static electricity is serious, spark discharge can be caused, fire accidents can be caused seriously, inestimable and unnecessary loss can be brought to local people in production and life, in order to eliminate the harm caused by the static electricity, effective measures for eliminating the static electricity are required to be taken in sections, a plurality of methods for eliminating the static electricity are provided, but the simplest, effective and economical method is to take grounding measures, at present, most of low-voltage control cabinets used in the electric power engineering control factory buildings are provided with anti-static protection devices, but the anti-static grounding of the existing low-voltage control cabinets is only to lead out a grounding wire from the bottom of the low-voltage control cabinet, the other end of the grounding wire is connected with a plug-in piece to be inserted underground, however, the grounding mode is only to be provided with a grounding wire, once the only grounding wire is broken manually or naturally, the low-voltage control cabinet loses the anti, in view of the above two points, it is necessary to improve the prior art to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low-voltage control cabinet prevent static earthing device, through setting up first earth connection, second earth connection and metal plug-in body, first earth connection and second earth connection respectively with low-voltage control cabinet's both sides wall connection, then insert the underground, when one of them earth connection appears damaging when unable the use, another earth connection can exert the ground effect, thus, can greatly increase low-voltage control cabinet and prevent static protection's stability, be provided with a plurality of barb bodies on the metal plug-in body, can realize firmly fixedly with the help of a plurality of barb bodies after inserting the underground, improve the fastness and the stability of ground connection, it is relatively poor to have solved current technique and prevented static protection's stability, the relatively poor problem of the fastness of ground connection.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an anti-static grounding device of a low-voltage control cabinet, which comprises a low-voltage control cabinet main body and a grounding foundation, the low-voltage control cabinet main body is arranged on a grounding foundation, metal welding parts are welded on the shells on the two sides of the low-voltage control cabinet main body, a first grounding wire and a second grounding wire are respectively welded on the metal welding pieces at the two sides of the low-voltage control cabinet main body, the grounding foundation comprises foundation original soil and backfill soil, the backfill soil is arranged right above the foundation original soil, a grounding main line is horizontally arranged on the original soil of the foundation, a metal plug-in body is plugged in the grounding main line, the lower parts of the metal insertion bodies are inserted into the original soil of the foundation, a first grounding branch and a second grounding branch are respectively welded at the two ends of the grounding trunk, the top end of the first grounding branch line and the top end of the second grounding branch line are respectively connected with the first grounding line and the second grounding line.

Further, the metal plug-in body includes the body of rod, conical head, pole cap and barb body, the conical head is installed to the bottom of the body of rod, the pole cap is installed on the top of the body of rod, install the barb body on the body of rod, the barb body distributes and sets up the symmetry both sides at the body of rod to the barb body that is located body of rod both sides is staggered arrangement about the space, and the setting of pole cap can make things convenient for personnel to use the weight to chisel under the metal plug-in body, conveniently inserts the underground with the metal plug-in body, and the setting of conical head can help the faster underground that inserts of metal plug-in body, and the setting of barb body can improve the fastness of metal plug-in body and ground contact for the wiring is more firm.

Furthermore, the cover bodies are movably sleeved on the first grounding wire and the second grounding wire and buried in the ground surface, so that external water can be prevented from flowing into the grounding branch lines and the grounding trunk lines along the grounding wires from the cover bodies to accelerate corrosion of the grounding branch lines and the grounding trunk lines.

Furthermore, the grounding trunk line is provided with a through hole, the size of the through hole is matched with that of the metal plug-in body, the size of the rod cap is larger than that of the corresponding through hole, the grounding trunk line and the metal plug-in body can be conveniently connected through the through hole, static electricity can be stably conducted to the metal plug-in body from the grounding trunk line, and then the static electricity is conducted to the farther ground.

Furthermore, the resistance reducing agent is filled in the original foundation soil around the metal insertion body, the resistance reducing agent surrounds the side surface and the bottom of the metal insertion body, on one hand, the resistance reducing agent can be tightly contacted with the metal insertion body to form a sufficiently large current flowing surface, on the other hand, the resistance reducing agent can permeate into the surrounding soil to reduce the resistivity of the surrounding soil, and a low-resistance area with gentle change is formed around the grounding body.

Furthermore, the metal plug-in connectors are three in number, the three metal plug-in connectors are inserted into the through holes formed in the grounding trunk line correspondingly at equal intervals, the contact area of the three metal plug-in connectors with soil can be increased, and the conductivity is improved.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up first earth connection and second earth connection, first earth connection and second earth connection are drawn forth from the both sides outer wall of low-voltage control cabinet to insert the metallic conductor who buries underground, can realize the double ground protection to the low-voltage control cabinet, improved ground protection's stability greatly, improved the stability of power equipment operation, the current technical grounding line of having solved damages easily, prevents the unstable problem of electrostatic protection.

2. The utility model discloses a set up the metal plug-in body, be provided with a plurality of barb bodies on the metal plug-in body, after the metal plug-in body inserted the underground, can increase the fastness that the metal plug-in body is connected with ground through a plurality of barb bodies, guaranteed the fastness of ground connection, reduce the incident probability of taking place because of the insecure cause of ground connection.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the ground foundation of FIG. 1 according to the present invention;

fig. 3 is a schematic structural view of the metal insert in fig. 2 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a low-voltage control cabinet main body; 2. grounding a foundation; 201. original soil of foundation; 202. backfilling; 3. a first ground line; 4. a second ground line; 5. a metal weldment; 6. a ground main line; 7. a metal insert; 701. a rod body; 702. a conical head; 703. a rod cap; 704. a barb body; 8. a first grounded leg; 9. a second grounded leg; 10. a cover body; 11. a resistance reducing agent.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model relates to an anti-static grounding device of a low-voltage control cabinet, comprising a low-voltage control cabinet main body 1 and a grounding foundation 2, the low-voltage control cabinet main body 1 is arranged on the grounding foundation 2, metal welding parts 5 are welded on two side shells of the low-voltage control cabinet main body 1, a first grounding wire 3 and a second grounding wire 4 are respectively welded on the metal welding parts 5 on two sides of the low-voltage control cabinet main body 1, a cover body 10 is movably sleeved on the first grounding wire 3 and the second grounding wire 4, the cover body 10 is buried in the ground surface, the grounding foundation 2 comprises foundation raw soil 201 and backfill soil 202, the backfill soil 202 is arranged right above the foundation raw soil 201, a grounding main line 6 is horizontally arranged on the foundation raw soil 201, a metal inserting body 7 is inserted on the grounding main line 6, and the lower part of the metal inserting body 7 is inserted into the foundation raw soil 201, a through hole is arranged on the grounding main line 6, when static electricity is generated on the low-voltage control cabinet main body 1 in use, the static electricity is conducted to the first grounding wire 3 and the second grounding wire 4 through the shell of the low-voltage control cabinet main body 1, then conducted to the ground supporting wire through the first grounding wire 3 and the second grounding wire 4, then conducted to the grounding trunk wire 6 through the branch grounding, then conducted to the metal plug 7 through the grounding trunk wire 6 and conducted to the resistance reducing agent 11 through the metal plug 7, the resistance reducing agent 11 is in close contact with the metal insert 7 to form a large current flow surface, thereby accelerating the conduction of static electricity, and simultaneously, the resistance reducing agent permeates into the surrounding soil to reduce the resistivity of the surrounding soil, thereby forming a low resistance area with smooth change around the grounding body.

Referring to fig. 2-3, the metal plug 7 includes a rod 701, a cone 702, a rod cap 703 and barbs 704, the cone 702 is installed at the bottom of the rod 701, the rod cap 703 is installed at the top of the rod 701, barbs 704 are installed on the rod 701, the barbs 704 are distributed on two symmetrical sides of the rod 701, the barbs 704 on two sides of the rod 701 are arranged in a staggered manner in space, a first ground branch 8 and a second ground branch 9 are welded at two ends of a ground trunk 6, the top end of the first ground branch 8 and the top end of the second ground branch 9 are connected with a first ground line 3 and a second ground line 4, respectively, when the metal plug 7 is plugged into the foundation soil 201, the rod 701 is firmly connected with the foundation soil 201 through the barbs 704, and when the rod 701 is pulled upwards by an external force, the barbs 704 are more tightly combined with the foundation soil 201, the metal plug-in body 7 is prevented from being pulled out, and the grounding firmness is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solution recorded in the foregoing embodiments is modified, and some technical features are replaced by equivalent, all belonging to the protection scope of the present invention.

Claims (6)

1. The utility model provides a low-voltage control cabinet's antistatic grounding device, includes low-voltage control cabinet main part (1) and ground connection ground (2), its characterized in that: the low-voltage control cabinet is characterized in that the low-voltage control cabinet main body (1) is arranged on a grounding foundation (2), metal welding parts (5) are welded on shells on two sides of the low-voltage control cabinet main body (1), a first grounding wire (3) and a second grounding wire (4) are respectively welded on the metal welding parts (5) on two sides of the low-voltage control cabinet main body (1), the grounding foundation (2) comprises foundation original soil (201) and backfill soil (202), the backfill soil (202) is arranged right above the foundation original soil (201), a grounding main line (6) is horizontally arranged on the foundation original soil (201), a metal inserting body (7) is inserted into the grounding main line (6), the lower part of the metal inserting body (7) is inserted into the foundation original soil (201), and a first grounding branch line (8) and a second grounding branch line (9) are respectively welded at two ends of the grounding main line (6), the top end of the first grounding branch line (8) and the top end of the second grounding branch line (9) are respectively connected with the first grounding line (3) and the second grounding line (4).

2. The antistatic grounding device of a low-voltage control cabinet according to claim 1, wherein the metal plug-in body (7) comprises a rod body (701), a conical head (702), a rod cap (703) and barb bodies (704), the conical head (702) is installed at the bottom end of the rod body (701), the rod cap (703) is installed at the top end of the rod body (701), the barb bodies (704) are installed on the rod body (701), the barb bodies (704) are distributed and arranged on two symmetrical sides of the rod body (701), and the barb bodies (704) on two sides of the rod body (701) are staggered up and down in space.

3. The antistatic grounding device of the low-voltage control cabinet according to claim 1, wherein the first grounding wire (3) and the second grounding wire (4) are movably sleeved with a cover body (10), and the cover body (10) is buried at the ground surface.

4. The antistatic grounding device of the low-voltage control cabinet as claimed in claim 2, wherein the grounding trunk (6) is provided with a through hole, the size of the through hole is matched with that of the metal plug-in body (7), and the size of the rod cap (703) is larger than that of the corresponding through hole.

5. The antistatic grounding device of the low-voltage control cabinet is characterized in that the inside of the foundation original soil (201) is filled with the resistance reducing agent (11) around the metal insert (7), and the resistance reducing agent (11) surrounds the side and the bottom of the metal insert (7).

6. The antistatic grounding device of the low-voltage control cabinet as claimed in claim 1, wherein there are three metal plugs (7), and the three metal plugs (7) are inserted into corresponding through holes formed on the grounding trunk (6) at equal intervals.

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