CN206471515U - The attachment structure of grounded screen graphite grounding module - Google Patents
The attachment structure of grounded screen graphite grounding module Download PDFInfo
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- CN206471515U CN206471515U CN201720178411.9U CN201720178411U CN206471515U CN 206471515 U CN206471515 U CN 206471515U CN 201720178411 U CN201720178411 U CN 201720178411U CN 206471515 U CN206471515 U CN 206471515U
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- graphite
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- band steel
- grounded screen
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Abstract
The utility model is related to the attachment structure of grounded screen graphite grounding module, it includes graphite module, connector, band steel and metallic object, graphite module is concatenated or is connected in parallel by connector, graphite module is laid at a certain distance from below ground, and in horizontally disposed, one end of connector is elevated above the soil to be connected with band steel, and band steel is connected with the metallic object fixed on the ground, and resistance-lowering material layer is provided with around the graphite module of below ground.The utility model uses that electric conductivity is high, stability is good, corrosion-resistant, not qualitative change expansion graphite material for main body, while its electric conductivity is not by seasonal effect, service life length, simple installation.
Description
Technical field
The utility model belongs to Resistance of Grounding Grids field, and in particular to a kind of connection of grounded screen graphite grounding module
Structure.
Background technology
The grounding resistance of grounded screen is mainly made up of grounding body, connecting material, auxiliary earth body, wherein grounding body and soil
Dissufion current in soil of contact resistance and earth current be grounding resistance major part.Traditional grounding body is generally gold
Belong to conductor, such as band steel, round steel, angle steel, steel pipe, copper rod, copper coin.Earth mat is made of traditional earthing material larger by seasonal effect,
Grounding resistance is not sufficiently stable, and steel and zinc-coated flat steel sheet earth mat service life are relatively short, in the extra high condition of soil resistivity
Under be difficult to solve problem with grounding.Fine copper earthing material cost is high and easily corrodes.
The content of the invention
The purpose of this utility model is to provide a kind of attachment structure of grounded screen graphite grounding module.The utility model is adopted
With electric conductivity is high, stability is good, corrosion-resistant, not qualitative change expansion graphite material is main body, while its electric conductivity is not by season
Influence, service life length, simple installation.
The technical solution adopted in the utility model：A kind of attachment structure of grounded screen graphite grounding module, it includes graphite
Module, connector, band steel and metallic object, graphite module are concatenated or are connected in parallel by connector, the laying of graphite module
At a certain distance from below ground, and it is in horizontally disposed, one end of connector is elevated above the soil to be connected with band steel, and band steel is with being fixed on
Metallic object connection on ground, is provided with resistance-lowering material layer around the graphite module of below ground.
Further, described graphite module is to be provided with one in the middle part of block structure, the block structure to be used to intert
The through hole of the connector, and described connector is one kind in zinc-coated flat steel sheet, copper facing band steel or tin plating band steel.
Further, described graphite module is block structure, be provided with the block structure one be used for it is interspersed described in
The connecting screw hole of connector, and described connector is made up of soft graphite line and graphite bolt, graphite bolt and connecting screw hole
Connection, soft graphite line is crimped in graphite module by graphite bolt.
Further, described graphite module be column structure, the column structure in straight down be arranged in ground
It is interior, and the distance of the distance from top ground level of graphite module is at least 0.8 meter, and the top vertical of graphite module arranges downwards
Length is at least 1 meter, and described connector is made up of soft graphite line and graphite bolt, and graphite bolt connects with connecting screw hole
Connect, soft graphite line is crimped in graphite module by graphite bolt.
Further, twice of the distance between the graphite module and graphite module graphite block length.
Its advantage is the utility model compared with prior art：The utility model using electric conductivity is high, stability is good,
The graphite material of the expansion of corrosion-resistant, not qualitative change is main body, and its electric conductivity is not by seasonal effect；Can moisture-absorbing moisture-keeping, can keep and
Soil is effectively contacted, and grounding resistance is low；In high soil resistivity, ground network ground resistance can be effectively reduced；Resistance to big power frequency and
Dash current impacts, resistance stabilization；Corrosion-resistant, nontoxic, service life length, simple installation；The utility model is applied suitable for multiple spot
Work and the earth work of complicated landform and water-deficient area, in high soil resistivity, can effectively reduce mesh grounding net ground connection
Resistance, and it is convenient transportation, easy to install, non-maintaining.
The technical parameter of graphite module and connector is in the utility model：1st, bulk density index is not less than 1.8g/
cn3；2nd, resistivity index is not more than 8.5 μ Ω m, the metallic conductor (stainless steel, fine copper etc.) good equivalent to one, favorably
In the earth mat for building high-quality；3rd, ash content index is not more than 0.20%；4th, compression strength index is not less than 30MPa, in grounded screen
It in construction, can fully tamp, improve leading off for big burst current！5th, rupture strength index is not less than 13.5MPa, in grounded screen
In construction；, modulus of elasticity be not more than 10.0CPa；7th, (100 DEG C) of thermal conductivity is not less than 90W/ (mK)；8th, thermal coefficient of expansion (room
Temperature is to 00 DEG C) it is not more than 2.810-8/ DEG C；9th, water suction performance of keeping humidity is good, because this product is to fire to form, therefore in module
Portion is full of many stomatas, and so affine degree with water is fine, can play a part of water conservation, be particularly suitable for dry soil
Ground connection uses.
Brief description of the drawings
Fig. 1 is a kind of example structure schematic diagram of the present utility model；
Fig. 2 is another example structure schematic diagram of the present utility model；
Fig. 3 is zinc-coated flat steel sheet and the connection diagram of graphite module；
Fig. 4 is the connection diagram of soft graphite line, graphite bolt and graphite module.
Embodiment
Embodiment 1
As shown in figure 1, a kind of attachment structure of grounded screen graphite grounding module, it includes graphite module 1, connector 2, flat
Steel 3 and metallic object 4, graphite module 1 are serially connected by connector 2, and graphite module 1 is laid on the spacing of below ground one
From place, and it is in horizontally disposed, one end of connector 2 is elevated above the soil to be connected with band steel 3, band steel 3 and the metal fixed on the ground
Body 4 is connected, and resistance-lowering material layer 5 is provided with around the graphite module 1 of below ground.
Such as Fig. 3, graphite module 1 of the present utility model is to be provided with one in the middle part of block structure, the block structure to be used for
Intert the through hole of the connector 2, and described connector 2 is zinc-coated flat steel sheet 6.
Such as Fig. 4, interchangeably, graphite module 1 of the present utility model can also be to be provided with block structure, the block structure
One is used to intert the connecting screw hole 7 of the connector 2, and described connector 2 is made up of soft graphite line 8 and graphite bolt 9,
Graphite bolt 9 is connected with connecting screw hole 7, and soft graphite line 8 is crimped in graphite module 1 by graphite bolt 9.The utility model
Twice of the distance between middle graphite module 1 and graphite module 1 length of graphite module 1.
Embodiment 2
As shown in Fig. 2 a kind of attachment structure of grounded screen graphite grounding module, it includes graphite module 1, connector 2, flat
Steel 3 and metallic object 4, graphite module 1 are serially connected by connector 2, and graphite module 1 is laid on the spacing of below ground one
From place, and it is in horizontally disposed, one end of connector 2 is elevated above the soil to be connected with band steel 3, band steel 3 and the metal fixed on the ground
Body 4 is connected, and resistance-lowering material layer 5 is provided with around the graphite module 1 of below ground.
Graphite module 1 of the present utility model can be also column structure 10, and the column structure 10 is in arrangement straight down
In ground, and the distance of the distance from top ground level of graphite module 1 is at least 0.8 meter, and graphite module 1 top vertical to
The length of lower arrangement is at least 1 meter, and described connector 2 is made up of soft graphite line 8 and graphite bolt 9, graphite bolt 9 with
Connecting screw hole 7 is connected, and soft graphite line 8 is crimped in graphite module 1 by graphite bolt 9.Graphite module 1 in the utility model
With twice of the distance between graphite module 1 length of graphite module 1.
The utility model is many relative to ordinary steel ground connection polar diameter increase, can be more in the case of same fault electric current
Fast imports the earth by fault current.In addition, with multichannel dispersed placement on grounding body, in multichannel dispersed placement, many
Thunder area, earthing module plays the role of to reduce heavy current impact well.Because the size is big compared with traditional grounding body, with soil
Contact area also increases, and reduces contact resistance.Meanwhile, in the embedding soil of the utility model after, with soil be in close contact, significantly
Ground expands the diffusing area of grounding body, significantly reduces grounding resistance.The distinctive moisturizing of module, hygroscopicity, make around it
The relatively low resistivity of neighbouring soil conservation, further improves the electric conductivity of grounding body.
Architecture of the present utility model is in following place arrangement：1st, power plant, transformer station, switchyard, explosives magazine, high pressure
The work such as transmission line of electricity, electric railway, telecommunications, mobile communication base station, microwave relay station, ground satellite receiving station, radar station
Ground connection, safety ground and lightning protection；2nd, the precise instrument, computer room equipment, post and telecommunications program-controlled equipment, radio and television are set
The working earthings such as standby, electromedical equipment and protective grounding；3rd, various skyscrapers and tall and big structures, showplace ancient building, height
The lightning protections such as big memorial tower；4th, petroleum transportation pipeline and oil gas tank, flammable and explosive substance warehouse lightning protection.
Claims (5)
1. the attachment structure of grounded screen graphite grounding module, it includes graphite module, connector, band steel and metallic object, its feature
It is, graphite module is concatenated or is connected in parallel by connector, graphite module is laid at a certain distance from below ground,
And be in horizontally disposed, one end of connector is elevated above the soil to be connected with band steel, and band steel is connected with the metallic object fixed on the ground,
Resistance-lowering material layer is provided with around the graphite module of below ground.
2. the attachment structure of grounded screen graphite grounding module according to claim 1, it is characterised in that described graphite mo(u)ld
Block is block structure, and a through hole for being used to intert the connector, and described connection are provided with the middle part of the block structure
Part is one kind in zinc-coated flat steel sheet, soft graphite line, fine copper, copper facing band steel or tin plating band steel.
3. the attachment structure of grounded screen graphite grounding module according to claim 1, it is characterised in that described graphite mo(u)ld
Block is block structure, and a connecting screw hole for being used to intert the connector, and described connection are provided with the block structure
Part is made up of soft graphite line and graphite bolt, and graphite bolt is connected with connecting screw hole, and soft graphite line passes through graphite bolt pressure
It is connected in graphite module.
4. the attachment structure of grounded screen graphite grounding module according to claim 1, it is characterised in that described graphite mo(u)ld
Block is column structure, and the column structure is in being arranged in ground straight down, and the distance from top ground level of graphite module
Distance be at least 0.8 meter, and the length arranged downwards of top vertical of graphite module is at least 1 meter, and described connector
It is made up of soft graphite line and graphite bolt, graphite bolt is connected with connecting screw hole, soft graphite line is crimped by graphite bolt
In graphite module.
5. the attachment structure of grounded screen graphite grounding module according to claim 1, it is characterised in that the graphite module
With twice of the distance between graphite module graphite block length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720178411.9U CN206471515U (en) | 2017-02-27 | 2017-02-27 | The attachment structure of grounded screen graphite grounding module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720178411.9U CN206471515U (en) | 2017-02-27 | 2017-02-27 | The attachment structure of grounded screen graphite grounding module |
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| Publication Number | Publication Date |
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| CN206471515U true CN206471515U (en) | 2017-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720178411.9U Active CN206471515U (en) | 2017-02-27 | 2017-02-27 | The attachment structure of grounded screen graphite grounding module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155489A (en) * | 2017-11-08 | 2018-06-12 | 西峡县金方圆密封材料有限责任公司 | Light graphite drop resistance module and preparation method thereof |
| CN115395368A (en) * | 2022-07-12 | 2022-11-25 | 山东电力工程咨询院有限公司 | Complex terrain transformer substation active lightning protection grounding complete device |
-
2017
- 2017-02-27 CN CN201720178411.9U patent/CN206471515U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155489A (en) * | 2017-11-08 | 2018-06-12 | 西峡县金方圆密封材料有限责任公司 | Light graphite drop resistance module and preparation method thereof |
| CN108155489B (en) * | 2017-11-08 | 2024-04-12 | 西峡县金方圆密封材料有限责任公司 | Light graphite resistance-reducing module and preparation method thereof |
| CN115395368A (en) * | 2022-07-12 | 2022-11-25 | 山东电力工程咨询院有限公司 | Complex terrain transformer substation active lightning protection grounding complete device |
| CN115395368B (en) * | 2022-07-12 | 2023-07-14 | 山东电力工程咨询院有限公司 | Active lightning protection grounding complete device of complex-terrain transformer substation |
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