CN211980920U

CN211980920U - Station-service electrical grounding protection device

Info

Publication number: CN211980920U
Application number: CN202020998845.5U
Authority: CN
Inventors: 周墨涛; 翟庆明; 李志刚; 苏莉
Original assignee: Hangzhou Hollysys Automation Co Ltd
Current assignee: Hangzhou Hollysys Automation Co Ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-11-20
Anticipated expiration: 2030-06-03

Abstract

The utility model provides a house-service electrical ground protection device, including the circuit breaker, first ground wire, the earth mat that flows out, ground protection mechanism and second ground wire, the earth mat that flows out is connected through first ground wire electricity in the bottom of circuit breaker, the earth mat that flows out is buried underground in ground inside, electrical equipment has been placed to the top on ground, the output of circuit breaker is through the electric input end electric connection who connects electric wire and electrical equipment, the surface cover that connects electric wire is established and is fixed with ground protection mechanism, ground protection mechanism's bottom is run through and is fixed with the second ground wire, the bottom of second ground wire stretches into ground inside and is connected with the earth mat that flows out. The utility model discloses a set up first ground wire, earial drainage earth mat, second ground wire and ground protection mechanism, solved the problem that lacks ground protection structure on electrical equipment's the department of connecing and the power transmission line.

Description

Station-service electrical grounding protection device

Technical Field

The utility model relates to an electrical equipment technical field of power plant, more specifically say, relate to an electrical grounding protection device is used in factory.

Background

The power energy of a power plant is huge, and the power plant is very various in places where electricity is used, so that electric leakage is easy to occur to many electric devices, and grounding is the best protection option, and the electric devices are the general names of devices such as a generator, a transformer, a power line and a circuit breaker in a power system. The electric equipment comprises a power supply and electric equipment, and when the electric equipment is connected with power, the power supply is connected with a power supply line, even a power connection port and the like, electric leakage can occur when the electric equipment is not well processed, so that grounding protection needs to be performed on the power connection part and the power transmission line, and the phenomenon of electric leakage caused by current overflow is prevented.

At present, electrical equipment on the market only has a simple use function, and a grounding protection structure is lacked on a power connection position and a power transmission line of the electrical equipment, so that the safety performance is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a house electrical grounding protection device has solved to connect the problem that department and electrical equipment's the power transmission line lacked the ground protection structure to electrical equipment's electricity.

The utility model provides a house-service electrical ground protection device, including circuit breaker, first ground wire, the earth mat of earial drainage, ground protection mechanism and second ground wire, the bottom of circuit breaker is connected through first ground wire electricity the earth mat of earial drainage, the earth mat of earial drainage is buried underground in ground inside, the earth mat of earial drainage is the same as with the leading-in ground of electric current, and the cooperation ground wire uses, electrical equipment has been placed to the top on ground, the output of circuit breaker passes through the power connection line with electrical equipment's electrical input end electric connection, the surface cover of power connection line is established and is fixed with ground protection mechanism, ground protection mechanism's bottom is run through and is fixed with the second ground wire, the second ground wire is used for the ground protection to transmission line, the bottom of second ground wire stretch into ground inside with the earth mat of earial drainage connects, ground protection mechanism includes rubber sleeve, ground protection mechanism, Go up ceramic sheath, go up the metal covering, lower metal covering, ceramic sheath and rubber sleeve down, go up the metal covering with metal covering fixed connection down, go up the ceramic sheath with ceramic sheath cover is established down go up the metal covering with the metal covering outside down, go up the metal covering with the metal covering is used for electrically conductive ground connection down, and the protective structure in its outside is used for realizing insulating protection layer upon layer.

Preferably, go up the metal covering with the metal covering cover is established in the outside of connecting the electric wire down, just go up the metal covering with the front and back side of metal covering all is fixed with the second base block down, go up the metal covering with the front and back side of metal covering all passes through the bolt second base block and nut cooperation fixed connection down, go up the metal covering with electrically conductive the use when the metal covering is used for realizing connecting the ground wire down.

Preferably, go up ceramic sheath and bond in going up the rubber sleeve, ceramic sheath bonds down in the rubber sleeve, just go up ceramic sheath with ceramic sheath lock is in down go up the metal covering with the outside of metal covering down, go up the rubber sleeve with the front and back side of rubber sleeve all is fixed with first base block down, just go up the rubber sleeve with the rubber sleeve all passes through the bolt down first base block and screw cooperation fixed connection, through go up ceramic sheath with the ceramic sheath carries out the solid insulation protection once down, cooperates the outside go up the rubber sleeve with the rubber sleeve realizes the secondary insulation protection down.

Preferably, a metal conductive clip is fixed at the upper end of the second ground wire, a through hole is formed in the surface of the metal conductive clip, the upper end of the second ground wire is wound in the through hole of the metal conductive clip, the metal conductive clip is clamped between the upper metal sleeve and the lower metal sleeve, and the current conducted on the metal sleeve is concentrated by the metal conductive clip and is led out through the connected ground wire.

Preferably, the sizes of the upper metal sleeve and the lower metal sleeve are smaller than the sizes of the upper ceramic sheath and the lower ceramic sheath, and the sizes of the upper ceramic sheath and the lower ceramic sheath are smaller than the sizes of the upper rubber sleeve and the lower rubber sleeve, so that the gradual protection from small to large is realized.

Compared with the prior art, the utility model provides a house-service electrical grounding protection device, through setting up first ground wire and earial drainage counterpoise, solved and met the problem that the department lacks ground protection structure to electrical equipment's connecing, the utility model discloses can carry out ground connection at electrical equipment's junction, avoid taking place the problem of electric current leakage in the junction, thereby guarantee can not take place to electrocute danger, guarantee electric power's normal operating, avoid highly compressed harm, guarantee outside personnel safety simultaneously, even the touching also can not take place to electrocute the phenomenon carelessly, connect first ground wire in the bottom of circuit breaker, first ground wire stretches into in the ground and earial drainage counterpoise is connected, in case electric leakage phenomenon appears, lead through first ground wire, get into earial drainage counterpoise direction ground afterwards, realize the earial drainage operation, guarantee can not electrocute.

In addition, the utility model solves the problem of lacking the ground protection structure on the transmission line of the electrical equipment by arranging the second ground wire and the ground protection mechanism, the utility model can carry out ground protection on the transmission line of the electrical equipment, avoid the phenomena of electric leakage and current leakage in the transmission process, ensure the normal supply of current, have extremely high safety, ensure the insulativity of the ground point while grounding, can not easily conduct electricity, realize the communication and power supply of electric power through the connecting wire, sleeve an upper metal sleeve and a lower metal sleeve on the surface of the ground point and fix the metal sleeve, connect the second ground wire, connect the current drainage ground net to realize the conduction of current, once the current leakage occurs, can guide the earth to evacuate, and the outer side of the metal sleeve is sleeved with the upper ceramic sheath and the lower ceramic sheath and the upper rubber sleeve and the lower rubber sleeve to realize the comprehensive insulation protection, thereby avoiding the mistaken touch of people, the safety is ensured.

Drawings

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

Fig. 1 is a schematic structural diagram of a station service electrical ground protection device provided by the present invention;

FIG. 2 is an exploded view of the ground protection mechanism of FIG. 1;

fig. 3 is a connection diagram of the second ground line in fig. 1.

The grounding device comprises a circuit breaker 1, a first grounding wire 2, a grounding wire 3, a grounding wire 4, a current-discharging grounding grid 5, a grounding protection mechanism 6, an electrical device 7, an upper rubber sleeve 8, an upper ceramic sheath 9, an upper metal sleeve 10, a lower metal sleeve 11, a lower ceramic sheath 12, a lower rubber sleeve 13, a first base block 14, a second base block 15, a second grounding wire 16, a metal conductive clamp 17 and a through hole 18.

Detailed Description

It should be noted that the terms "up" and "down" as used herein refer to the up and down directions in fig. 1. All directional terms used herein are based on the common usage of those skilled in the art and the accompanying drawings of the specification, and their presence should not affect the scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a station service electrical ground protection device provided in the present invention; FIG. 2 is an exploded view of the ground protection mechanism of FIG. 1; fig. 3 is a connection diagram of the second ground line in fig. 1.

The utility model provides an electrical grounding protection device for power plant, which comprises a circuit breaker 1, a first ground wire 2, a drainage ground net 4, a grounding protection mechanism 6 and a second ground wire 16, wherein the bottom end of the circuit breaker 1 is electrically connected with the drainage ground net 4 through the first ground wire 2, the drainage ground net 4 is buried in the ground 3, the first ground wire 2 is connected with the drainage ground net 4 through the electric connection part of the circuit breaker 1, the first ground wire 2 is connected with the drainage ground net 4, the current leaked from the circuit breaker 1 can be guided to the drainage ground net 4 in the ground 3, the redundant current is guided to the ground, the phenomenon of electric leakage can not occur, an electrical device 7 is placed above the ground 3, the electrical device 7 is a general name and generally refers to an electrical related power utilization structure, the output end of the circuit breaker 1 is electrically connected with the electrical input end of the electrical device 7 through a connecting wire 5, the electric energy entered by the circuit breaker 1 is guided to the electrical device 7 through the connecting wire 5 for, the ground protection mechanism 6 is sleeved and fixed on the surface of the power connection wire 5, the bottom end of the ground protection mechanism 6 is fixedly penetrated through a second ground wire 16, the ground protection mechanism 6 is used for ground protection of the power connection wire 5 on the power transmission line, the ground protection is realized by matching with the second ground wire 16, a good ground protection function is ensured, the electric leakage phenomenon is avoided in the power transmission process, the bottom end of the second ground wire 16 extends into the ground 3 and is connected with the current discharge grounding grid 4, the current connected into the second ground wire 16 is guided to the ground to be transmitted, the redundant current is guided out to avoid the electric leakage, the ground protection mechanism 6 comprises an upper rubber sleeve 8, an upper ceramic sheath 9, an upper metal sleeve 10, a lower metal sleeve 11, a lower ceramic sheath 12 and a lower rubber sleeve 13, the upper metal sleeve 10 is fixedly connected with the lower metal sleeve 11, the upper rubber sleeve 8 is fixedly connected with the lower rubber sleeve 13, the upper ceramic sheath 9 and the lower ceramic sheath 12 are sleeved and arranged on the outer sides of the upper metal sleeve 10, the upper metal sleeve 10 and the lower metal sleeve 11 are used for realizing current conduction, the upper ceramic sheath 9 and the lower ceramic sheath 12 arranged on the outer side of the upper metal sleeve are used for insulating protection, direct exposure of electric leakage is prevented, secondary insulating protection is realized by the upper rubber sleeve 8 and the lower rubber sleeve 13 on the outer side of the upper metal sleeve, and leakage current is prevented from being exposed outside.

As shown in fig. 1-3, the upper metal sleeve 10 and the lower metal sleeve 11 are sleeved on the outer side of the power connection wire 5, the front side and the rear side of the upper metal sleeve 10 and the lower metal sleeve 11 are both fixed with second base blocks 15, and the front side and the rear side of the upper metal sleeve 10 and the rear side of the lower metal sleeve 11 are both matched and fixedly connected with nuts through bolts passing through the second base blocks 15; when the ground protection of the power transmission line is carried out, the upper metal sleeve 10 and the lower metal sleeve 11 are sleeved on the outer side of the power connection wire 5 and buckled, the bolt and the nut penetrate through the second base blocks 15 on the front side and the rear side to fix the two, the current leaked from the power connection wire 5 is conducted, and the subsequent ground protection is convenient.

A metal conductive clip 17 is fixed at the upper end of the second ground wire 16, a through hole 18 is formed in the surface of the metal conductive clip 17, the upper end of the second ground wire 16 is wound in the through hole 18 of the metal conductive clip 17, and the metal conductive clip 17 is clamped at the middle position of the upper metal sleeve 10 and the lower metal sleeve 11; after the upper metal sleeve 10 and the lower metal sleeve 11 are fixed, the metal conductive clip 17 is clamped between the middle parts of the upper metal sleeve 10 and the lower metal sleeve 11 and is connected with the second ground wire 16 through the through hole 18, and the current conducted on the upper metal sleeve 10 and the lower metal sleeve 11 is conducted by connecting the metal conductive clip 17 with the second ground wire 16 and is transmitted to the current leakage grounding grid 4 in the ground 3 and then to the ground, so that the grounding is realized.

The upper ceramic sheath 9 is bonded in the upper rubber sleeve 8, the lower ceramic sheath 12 is bonded in the lower rubber sleeve 13, the upper ceramic sheath 9 and the lower ceramic sheath 12 are buckled on the outer sides of the upper metal sleeve 10 and the lower metal sleeve 11, the front side and the rear side of the upper rubber sleeve 8 and the lower rubber sleeve 13 are both fixed with first base blocks 14, and the upper rubber sleeve 8 and the lower rubber sleeve 13 are both matched and fixedly connected with screws through bolts penetrating through the first base blocks 14; after the grounding assembly is connected and completed, the rubber sleeve 8 and the lower rubber sleeve 13 are buckled on the surface of the grounding assembly, the first base blocks 14 on the front side and the rear side of the grounding assembly are fastened and connected by bolts and nuts, the upper ceramic sheath 9 on the inner side of the grounding assembly is buckled with the lower ceramic sheath 12, the structure is stable, double protection is realized, high insulation of the structure is guaranteed, and the leakage current is prevented from affecting the outside and causing electric shock.

The size of the upper metal sleeve 10 and the size of the lower metal sleeve 11 are smaller than the size of the upper ceramic sheath 9 and the size of the lower ceramic sheath 12, the size of the upper ceramic sheath 9 and the size of the lower ceramic sheath 12 are smaller than the size of the upper rubber sleeve 8 and the size of the lower rubber sleeve 13, the size structure is designed from small to large, the stability of the structure is guaranteed, layer-by-layer insulation protection is achieved, the comprehensive leakage-free insulation effect is guaranteed, and electric shock is avoided.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

It is right above the utility model provides an electrical grounding protection device is used to mill introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides an electrical grounding protection device for factory, includes circuit breaker (1), first ground wire (2), drainage ground net (4), ground protection mechanism (6) and second ground wire (16), its characterized in that, the bottom of circuit breaker (1) is passed through first ground wire (2) electricity and is connected drainage ground net (4), drainage ground net (4) are buried underground in ground (3) inside, electrical equipment (7) have been placed to the top of ground (3), the output of circuit breaker (1) through connecting wire (5) with the electrical input end electric connection of electrical equipment (7), the surface cover of connecting wire (5) is established and is fixed with ground protection mechanism (6), the bottom of ground protection mechanism (6) is run through and is fixed with second ground wire (16), the bottom of second ground wire (16) stretch into ground (3) inside with drainage ground net (4) are connected, ground protection mechanism (6) include rubber sleeve (8), go up ceramic sheath (9), go up metal covering (10), metal covering (11), ceramic sheath (12) and lower rubber sleeve (13) down, go up metal covering (10) with metal covering (11) fixed connection down, go up rubber sleeve (8) with rubber sleeve (13) fixed connection down, go up ceramic sheath (9) with ceramic sheath (12) cover is established down go up metal covering (10) with the metal covering (11) outside down.

2. The station service electrical grounding protection device according to claim 1, wherein the upper metal sleeve (10) and the lower metal sleeve (11) are sleeved on the outer side of the power connection wire (5), second base blocks (15) are fixed on the front side and the rear side of the upper metal sleeve (10) and the front side and the rear side of the lower metal sleeve (11), and the front side and the rear side of the upper metal sleeve (10) and the rear side of the lower metal sleeve (11) are fixedly connected in a matched mode through bolts and nuts, wherein the second base blocks (15) are fixedly connected with the nuts.

3. The house service electrical ground protection device of claim 2, characterized in that, the ceramic sheath (9) is bonded in the upper rubber sleeve (8), the lower ceramic sheath (12) is bonded in the lower rubber sleeve (13), and the ceramic sheath (9) and the lower ceramic sheath (12) are buckled outside the upper metal sleeve (10) and the lower metal sleeve (11), the front and back sides of the upper rubber sleeve (8) and the lower rubber sleeve (13) are both fixed with a first base block (14), and the upper rubber sleeve (8) and the lower rubber sleeve (13) are both passed through a bolt the first base block (14) and a screw matching fixed connection.

4. The station service electrical ground protection device according to any one of claims 1 to 3, wherein a metal conductive clip (17) is fixed at an upper end of the second ground wire (16), a through hole (18) is formed in the surface of the metal conductive clip (17), the upper end of the second ground wire (16) is wound in the through hole (18) of the metal conductive clip (17), and the metal conductive clip (17) is clamped at the middle positions of the upper metal sleeve (10) and the lower metal sleeve (11).

5. The service electrical ground protection device according to claim 4, characterized in that the dimensions of the upper metal sheath (10) and the lower metal sheath (11) are smaller than the dimensions of the upper ceramic sheath (9) and the lower ceramic sheath (12), the dimensions of the upper ceramic sheath (9) and the lower ceramic sheath (12) being smaller than the dimensions of the upper rubber sheath (8) and the lower rubber sheath (13).