CN209056724U - Grounding Expansion Relief Device - Google Patents

Abstract

The utility model discloses a kind of ground connection dilatation discharge devices, are related to electric power accessory technical field.Including the fluid confluence and aerial drainage body to link together, the fluid confluence include converge body case and be filled in it is described confluence body case in conductive dilatation filler, the aerial drainage body includes aerial drainage body case and the conductive dilatation filler that is filled in the aerial drainage body case, the fluid confluence is provided with the converging wires connecting with earth lead, the aerial drainage body is provided with the aerial drainage conducting wire of ground connection, the converging wires and the aerial drainage conducting wire both ends that be located at the ground connection dilatation discharge device opposite.The utility model ground connection dilatation discharge device solves the problems, such as that existing grounding body discharge capacity is insufficient, ensure that the safe operation of transmission line of electricity.

Description

Grounding Expansion Relief Device

technical field

The utility model relates to the technical field of power accessories, in particular to a grounding capacity expansion and leakage device.

Background technique

The grounding device is a general term for the grounding body and the grounding wire. Its function is to lead the lightning current into the ground. The grounding body is a metal conductor or conductor group that is in direct contact with the soil. It is divided into artificial grounding body and natural grounding body. The grounding body acts as a conductor that is in close contact with the earth soil and provides electrical connection with the earth, and safely dissipates lightning energy so that it leaks into the earth.

At present, most of the transmission lines use a single material grounding body such as metal or non-metal. Metal grounding bodies such as galvanized round steel, non-metallic grounding bodies such as graphite lightning protection grounding bodies, etc. After the grounding body is connected to the soil from the tower, the grounding resistance of the tower is reduced through the contact between the grounding body and the soil. When the tower is struck by lightning, the lightning current is introduced into the grounding body along the tower, and leaks into the ground through the grounding body, so as to prevent lightning leakage. flow effect. However, when the resistivity of the soil is high, or the contact between the soil and the grounding body is insufficient during the dry season, and the contact resistance is high, if the lightning current cannot be leaked into the ground in time, the lightning current will strike back along the grounding body to the wire at the top of the tower. , causing tripping and power outage accidents, seriously affecting the safe operation of transmission lines and causing huge economic losses.

Utility model content

Aiming at the above defects in the prior art, the present invention provides a grounding capacity expansion and current leakage device, which solves the problem of insufficient current leakage capability of the existing grounding body and ensures the safe operation of the transmission line.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is:

A grounded capacity expansion and discharge device, comprising a confluence body and a discharge body connected together, the confluence body comprising a confluence body casing and a conductive capacity expansion filler filled in the confluence body casing, the discharge body comprising a discharge fluid casing and a conductive volume expansion filler filled in the leakage fluid casing, the sink body is provided with a sink wire connected to a grounding wire, the drain body is provided with a grounded leakage wire, and the sink wire is connected with the leakage current. The wires are respectively located at opposite ends of the grounding expansion and leakage device.

Preferably, the sink body housing and the fluid drain housing are integrally formed, and the inner cavity of the sink fluid housing communicates with the inner cavity of the fluid drain housing.

Preferably, the bus conductors are connected to the drain conductors.

Preferably, the bus conductors and the leakage conductors are graphite lightning protection ground conductors.

Preferably, the confluence fluid casing is a metal casing or a graphite-based composite casing, and the drain fluid casing is a metal casing or a graphite-based composite casing.

Preferably, the conductive capacity expansion filler includes a high-carbon graphite mixture, an inorganic conductive ionic glue and nickel powder, the weight percentage of the high-carbon graphite mixture is 75% to 83%, and the weight percentage of the inorganic conductive ionic glue is 12% to 17%, and the weight percentage of the nickel powder is 5% to 8%.

Preferably, the high-carbon graphite mixture includes high-carbon graphite worms and high-carbon graphite powder, the weight percent content of the high-carbon graphite worms is 30% to 40%, and the weight percent content of the high-carbon graphite powder is 60% ~70%.

Preferably, the drain body is symmetrically arranged on the side of the sink body, the drain wire is arranged at the end of the sink body, and the drain wire is arranged at the end of the drain body away from the sink wire department.

Preferably, there are a plurality of said drainage fluids.

Preferably, the cross sections of the sink body and the drain body are square or circular.

Having adopted the above-mentioned technical scheme, the beneficial effects of the present utility model are:

The grounding capacity expansion and leakage device provided by the utility model utilizes the principle of current collection and leakage of capacitors to quickly temporarily store the lightning current or induced current introduced into the grounding body in the confluence body, and the confluence body spreads the lightning current or induced current to the leakage current. In the fluid, the lightning current or induced current is leaked into the ground through the leakage wire of the leakage fluid, which solves the problem that the grounding body of a single material cannot collect electricity in the prior art, and improves the leakage of the grounding capacity expansion and leakage device of the present invention. Since the drain fluid is connected to the confluence body, the contact area between the entire device and the soil is increased, so that the lightning current or the induced current can be more quickly leaked into the ground after the convergence, which solves the problem of contact with the soil in the prior art. The problem of insufficient discharge capacity caused by the small area improves the grounding discharge effect, ensures the safe operation of the transmission line, and reduces economic losses.

Description of drawings

Fig. 1 is the structural representation of the grounding expansion and leakage device of the present invention;

Fig. 2 is the cross-sectional schematic diagram of the grounding expansion and leakage device of the present invention;

In the figure: 1- Converging body, 2- Draining fluid, 3- Conductive expansion filler, 4- Converging wire, 5- Draining wire.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

As shown in Fig. 1 and Fig. 2 together, a grounded capacity expansion and leakage device includes a confluence body 1 and a drainage body 2 connected together. The confluence body 1 includes a confluence body housing and a conductive capacity expansion filler filled in the confluence body housing. 3. The drain body 2 includes a drain fluid housing and a conductive capacity expansion filler 3 filled in the drain fluid housing. The drain body 1 is provided with a drain wire 4 connected to a grounding wire, and the drain body 2 is provided with a grounded drain wire 5. The wire 4 and the leakage wire 5 are respectively located at opposite ends of the grounding expansion leakage device.

As shown in FIG. 1 and FIG. 2 together, in this embodiment, the confluence fluid casing and the fluid discharge casing are integrated, and the inner cavity of the confluence fluid casing is communicated with the inner cavity of the fluid discharge casing. By adopting such a structure, the volume of the grounded capacity expansion and leakage device is increased, and the current collecting capability of the grounded capacity expansion and leakage device is improved.

As shown in FIG. 1 and FIG. 2 together, in this embodiment, the bus wire 4 is connected with the drain wire 5 . In this embodiment, it is preferred that the bus conductor 4 and the drain conductor 5 are overlapped and bundled together by the lap joint method. This structure improves the stability of the connection between the bus conductor 4 and the drain conductor 5 .

As shown in Figure 1 and Figure 2 together, because graphite has good electrical conductivity, plasticity and thermal shock resistance, it ensures good electrical conductivity of the graphite lightning protection grounding wire, so in this embodiment, the bus wire 4 and the leakage wire are preferred. 5 is the graphite lightning protection grounding wire. In practical applications, the bus wire 4 and the drain wire 5 can also be made of other materials with strong electrical conductivity, which will not be described here.

As shown in FIG. 1 and FIG. 2 , in this embodiment, preferably, the confluence body casing is a metal casing or a graphite-based composite casing, and the drain fluid casing is a metal casing or a graphite-based composite casing. The use of metal shell or graphite-based composite shell increases the contact area with the soil and improves the effect of grounding leakage.

As shown in FIG. 1 and FIG. 2 together, the conductive expansion filler 3 in this embodiment includes a high-carbon graphite mixture, an inorganic conductive ionic glue and nickel powder. The weight percentage of the high-carbon graphite mixture is 75% to 83%, and the inorganic The weight percentage content of the conductive ion glue is 12% to 17%, and the weight percentage content of the nickel powder is 5% to 8%. In this embodiment, the high-carbon graphite mixture preferably includes high-carbon graphite worms and high-carbon graphite powder.

As shown in FIG. 1 and FIG. 2 , in this embodiment, the drain body 2 is symmetrically arranged on the side of the confluence body 1 , the confluence wire 4 is arranged at the end of the confluence body 1 , and the drain wire 5 is arranged on the side of the drain body 2 away from the drain body 1 . The end of the bus wire 4. By adopting such a symmetrical structure, the leakage of the grounding capacity expansion and leakage device of the present invention can be made more stable. In practical applications, multiple discharge bodies 2 can be provided according to requirements, and multiple discharge bodies 2 can be evenly arranged on the peripheral side of the confluence body 1, so that the discharge wires 5 of the discharge bodies 2 are laid in multiple directions, so that lightning current or induced current can be achieved. Disperse to different directions and leak into the ground, thereby further improving the leaking capacity of the grounding expansion leaking device of the present invention.

As shown in FIG. 1 and FIG. 2 together, the cross-sections of the sink body 1 and the drain body 2 are square or circular. In this embodiment, the cross-sections of the sink body 1 and the drain body 2 are preferably square. In practical applications, the cross-sections of the sink body 1 and the drain body 2 may also be long, triangular or rhombic, which are not limited in this embodiment.

The grounding capacity expansion and leakage device provided by the utility model utilizes the principle of current collection and current leakage of capacitors to quickly temporarily store the lightning current or induced current introduced into the grounding body in the confluence body 1, and the confluence body 1 discharges the lightning current or induced current. Diffusion into the leaking fluid 2, and the lightning current or induced current is leaked into the earth through the leaking wire 5 of the leaking fluid 2, which solves the problem that the grounding body of a single material cannot collect electricity in the prior art, and improves the grounding of the present invention. To expand the discharge capacity of the discharge device, because the discharge body 2 is connected to the confluence body 1, the contact area between the whole device and the soil is increased, so that the lightning current or the induced current can leak into the ground more quickly after converging, which solves the problem. The problem of insufficient discharge capacity due to the small contact area with the soil in the prior art improves the grounding discharge effect, ensures the safe operation of the transmission line, and reduces economic losses.

The present utility model is not limited to the above-mentioned specific embodiments, and the various transformations made by those of ordinary skill in the art from the above-mentioned concept without creative labor all fall within the protection scope of the present utility model.

Claims (10)

1. A grounded capacity expansion and leakage device, characterized in that it comprises a confluence body and a leak fluid connected together, and the confluence body comprises a confluence body casing and a conductive capacity expansion filler filled in the confluence body casing, the The drain body includes a drain body casing and a conductive volume expansion filler filled in the drain body housing, the sink body is provided with a sink wire connected to a ground wire, the drain body is provided with a grounded drain wire, and the sink body is provided with a grounded drain wire. The conducting wire and the leakage conducting wire are respectively located at opposite ends of the grounding expansion leakage device. 2 . The grounding capacity expansion and leakage device according to claim 1 , wherein the confluence fluid casing and the fluid discharge casing are integrated, and the inner cavity of the confluence fluid casing and the inner cavity of the fluid discharge casing are integrated. 3 . cavity is connected. 3 . The grounding capacity expansion leakage device according to claim 1 , wherein the bus wire is connected to the leakage wire. 4 . 4 . The grounding capacity expansion and leakage device according to claim 1 , wherein the bus conductor and the leakage conductor are graphite lightning protection grounding conductors. 5 . 5 . The grounding expansion and leakage device according to claim 1 , wherein the confluence fluid casing is a metal casing or a graphite-based composite casing, and the fluid leakage casing is a metal casing or a graphite-based composite casing. 6 . 6 . The grounding capacity expansion and leakage device according to claim 1 , wherein the conductive capacity expansion filler comprises a high-carbon graphite mixture, an inorganic conductive ionic glue and nickel powder, and the weight percentage of the high-carbon graphite mixture is 6 . 75% to 83%, the weight percentage of the inorganic conductive ion glue is 12% to 17%, and the weight percentage of the nickel powder is 5% to 8%. 7 . The grounding expansion and leakage device according to claim 6 , wherein the high-carbon graphite mixture comprises high-carbon graphite worms and high-carbon graphite powder, and the weight percentage of the high-carbon graphite worms ranges from 30% to 30%. 8 . 40%, and the weight percentage content of the high carbon graphite powder is 60% to 70%. 8 . The grounding capacity expansion leakage device according to claim 1 , wherein the leakage body is symmetrically arranged on the side of the sink body, the sink wire is arranged at the end of the sink body, and the The drain wire is disposed at the end of the drain body away from the bus wire. 9 . The grounding capacity expansion leakage device according to claim 8 , wherein a plurality of the leakage fluids are provided. 10 . 10 . The grounding expansion and leakage device according to claim 1 , wherein the cross-sections of the confluence body and the leakage body are square or circular. 11 .