CN208904237U - A kind of grounding net of transformer substation - Google Patents
A kind of grounding net of transformer substation Download PDFInfo
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- CN208904237U CN208904237U CN201821480209.2U CN201821480209U CN208904237U CN 208904237 U CN208904237 U CN 208904237U CN 201821480209 U CN201821480209 U CN 201821480209U CN 208904237 U CN208904237 U CN 208904237U
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- grounding
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- transformer substation
- grids
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Abstract
The utility model discloses a kind of grounding net of transformer substation, including lightning rod, Grounding Grids, horizontal grounding objects and ground connection deep-well, the wherein interlaced formation reticular structure of horizontal grounding objects, and the upper end of Grounding Grids and horizontal grounding objects are cross-linked connection, the lower end of Grounding Grids is connect with ground connection deep-well, the setting of Grounding Grids increases the buried depth of entire grounded screen, reduce ground resistance, and it is grounded inside deep-well and is sustained filler filled with invertibity, ground resistance can be further decreased, guarantee that thunder and lightning smoothly can imported into horizontal grounding objects from lightning rod and then import underground, protect substation equipment not by broken by lightning.
Description
Technical field
The utility model relates to power transmission technology field, especially a kind of grounding net of transformer substation.
Background technique
In substation, in order to guarantee the stable operation of power transmission and guarantee the safety of electric device and the person, one
As can all be provided with grounded screen, electric current can be introduced into grounded screen when by being struck by lightning and complete aerial drainage by lightning rod, protection become
Power station is not damaged, and current grounded screen is not only at high cost, also not satisfactory for the aerial drainage effect of lightning stroke, and due to soil
Geological condition be all different, the ground resistance for how to reduce grounded screen is always problem.
Utility model content
To solve the above problems, being connect the purpose of this utility model is to provide a kind of grounding net of transformer substation using netted
Ground body can accelerate the conducting of electric current, and vertical grounding body can increase the buried depth of entire grounded screen, reduce connecing for grounded screen
Ground resistance, and be provided with ground connection deep-well and can further reduce ground resistance, guarantee that thunder and lightning smoothly can be directed to ground
Under.
The technical solution adopted by the utility model to solve the problem is as follows:
A kind of grounding net of transformer substation, including lightning stroke to be inducted into the lightning rod of underground, Grounding Grids, is crossed-over
The horizontal grounding objects and ground connection deep-well for reducing electric resistance of soil for forming reticular structure, the lightning rod be located at ground it
On, the Grounding Grids, horizontal grounding objects and ground connection deep-well are respectively positioned below ground, and the upper end of the Grounding Grids connects
It connects at the cross-connection point of two horizontal grounding objects, the lower end of the Grounding Grids is extend into inside ground connection deep-well, described
It is grounded in deep-well and is sustained filler filled with invertibity.
Further, the horizontal grounding objects upper surface is coated with physics friction reducer layer, and the Grounding Grids upper end is under
End is enclosed with physics friction reducer layer.Physics friction reducer layer can reduce electric resistance of soil, keep the drainage of lightning stroke more smooth.
It further, further include ground outlet, the lightning rod is connect by ground outlet with horizontal grounding objects.It is lightning-arrest
Thunder and lightning on needle is imported on horizontal grounding objects by ground outlet, to imported into underground.
Further, the horizontal grounding objects include Hot-dip zinc-coated flat steel sheet, and the length and thickness of the Hot-dip zinc-coated flat steel sheet are respectively
50mm and 8mm.Material can be saved as horizontal grounding objects using band steel, reduce cost.
Further, the Grounding Grids include Zinc-coated angle steel, and the width on the Zinc-coated angle steel both sides is 50mm, and thickness is equal
For 5mm.The contact area in angle steel and soil is more, can be further improved resistance reducing effect.
Further, the horizontal grounding objects buried depth 0.8m.
Further, the horizontal grounding objects lower surface is provided with water conservation oxidant layer.It can be with water repellent soil water by water conservation oxidant layer
The loss divided guarantees that ground resistance will not become larger.
The beneficial effects of the utility model are: a kind of grounding net of transformer substation that the utility model uses, horizontal grounding objects are handed over
Mistake connection composition reticular structure, Grounding Grids are connect with horizontal grounding objects, and Grounding Grids can increase entire grounded screen
Buried depth reduces the ground resistance of grounded screen, and is additionally provided in Grounding Grids lower end and is filled with invertibity sustained release filler
Ground connection deep-well, ground connection deep-well can further reduce the ground resistance of grounded screen, guarantee thunder and lightning can smoothly from keeping away
It is directed to underground on thunder needle, guarantees the safety of substation equipment.
Detailed description of the invention
The utility model is described in further detail with example with reference to the accompanying drawing.
Fig. 1 is a kind of structure chart of grounding net of transformer substation of the utility model；
Fig. 2 is a kind of top view of grounding net of transformer substation of the utility model.
Specific embodiment
- Fig. 2 referring to Fig.1, a kind of grounding net of transformer substation of the utility model, including lightning rod 1, multiple Grounding Grids 2,
Multiple horizontal grounding objects 3 and ground connection deep-well 4, lightning rod 1 is located on ground, Grounding Grids 2, horizontal grounding objects 3 and
Ground connection deep-well 4 is respectively positioned on subsurface, lightning rod basis 6 is additionally provided with above horizontal grounding objects 3, the setting of lightning rod 1 is lightning-arrest
On needle basis 6, thunder and lightning can be directed on horizontal grounding objects 3 by lightning rod 1 and then aerial drainage is to underground, wherein horizontal grounding objects 3
Between be crossed-over to form a reticular structure, can have one between two horizontal grounding objects 3 and be cross-linked a little, and hang down
Directly the upper end of body 2 just is connect with being cross-linked for two horizontal grounding objects 3, and electric current can pass through two horizontal grounding objects
3 are flowed into Grounding Grids 2, and then further imported into underground, it is ensured that the effect of thunder and lightning water conservancy diversion.
The difference of each department soil, the equivalent resistance in soil is also different, but the soil of each department has one altogether
It is same, be exactly more toward underground, electric resistance of soil is smaller, if that is, grounded screen buried depth it is deeper, the ground resistance of grounded screen just compared with
Small, the setting of Grounding Grids 2 is equivalent to extend the buried depth of entire grounded screen, can reduce the ground resistance of grounded screen.
In order to further reduce ground resistance, 2 lower end of Grounding Grids is provided with ground connection deep-well 4, is grounded in deep-well 4
It is sustained filler filled with invertibity, this filler has the characteristics that absorb water, discharges water, is reversible, when it absorbs water, can be absorbed
Itself 100-500 times of moisture when the dry water shortage of external environment, and can discharge the moisture possessed completely, reach periphery water
Balance-dividing, this reversible reaction have been effectively ensured effective humidity of environment in ground connection deep-well 4, ensure that the stabilization of ground resistance,
After the Ions Absorption the earth moisture generated in this way, active electrolytic ion can be released effectively by deliquescent effect
Into the soil of surrounding, so that Grounding Grids 2 is become an ion generating device, make up to ground connection so as to improve periphery soil property
It is required that.
Specifically, it is coated with physics friction reducer layer in 3 upper surface of horizontal grounding objects, in 2 top and bottom of Grounding Grids
It is enclosed with physics friction reducer layer, physics friction reducer layer can reduce electric resistance of soil, keep the drainage of lightning stroke more smooth, physics drop
The prime cost of blocking layer is non-metallic conducting material graphite, and a variety of adding ingredients are added, which contains stable lead
The ingredients such as electric material, chemical electrolysis matter, metallic blunt antirust agent and water-retaining agent have good electric conductivity, anti-corrosive properties, long-term effect
The advantages that；And the lower section of horizontal grounding objects 3 is provided with water conservation oxidant layer, it is ensured that soil moisture will not be lost easily, be guaranteed
The guidance of electric current, currently used water-retaining agent are usually some super absorbent resins.
The utility model further includes ground outlet 5, and lightning rod 1 is connect by ground outlet 5 with horizontal grounding objects 3,
To which the thunder and lightning on lightning rod 1 can be imported on horizontal grounding objects 3 by ground outlet 5, and then it imported into underground.
Specifically, horizontal grounding objects 3 include Hot-dip zinc-coated flat steel sheet, the length and thickness of Hot-dip zinc-coated flat steel sheet be respectively 50mm and
8mm can save material as horizontal grounding objects 3 using band steel, reduce cost, and Grounding Grids 2 include Zinc-coated angle steel, plating
The width on zinc angle steel both sides is 50mm, and thickness is 5mm, and the contact area in angle steel and soil is more, can be further improved drop
Hinder effect, 3 buried depth 0.8m of horizontal grounding objects.
The above, the only preferred embodiment of the utility model, the utility model are not limited to above-mentioned implementation
Mode, as long as its technical effect for reaching the utility model with identical means, all should belong to the protection scope of the utility model.
Claims (7)
1. a kind of grounding net of transformer substation, it is characterised in that: be inducted into lightning rod (1), the Grounding Grids of underground including that will be struck by lightning
(2), it is crossed-over the horizontal grounding objects (3) to form reticular structure and the ground connection deep-well (4) for reducing electric resistance of soil,
The lightning rod (1) is located on ground, the Grounding Grids (2), horizontal grounding objects (3) and ground connection deep-well (4) equal position
In below ground, the upper end of the Grounding Grids (2) is connected at the cross-connection point of two horizontal grounding objects (3), described
The lower end of Grounding Grids (2) extend into ground connection deep-well (4) inside, fills out in the ground connection deep-well (4) filled with invertibity sustained release
Fill agent.
2. a kind of grounding net of transformer substation according to claim 1, it is characterised in that: horizontal grounding objects (3) upper surface
It is coated with physics friction reducer layer, Grounding Grids (2) top and bottom are enclosed with physics friction reducer layer.
3. a kind of grounding net of transformer substation according to claim 1, it is characterised in that: it further include ground outlet (5), it is described
Lightning rod (1) is connect by ground outlet (5) with horizontal grounding objects (3).
4. a kind of grounding net of transformer substation according to claim 1, it is characterised in that: the horizontal grounding objects (3) include heat
Zinc-coated flat steel sheet, the length and thickness of the Hot-dip zinc-coated flat steel sheet are respectively 50mm and 8mm.
5. a kind of grounding net of transformer substation according to claim 1, it is characterised in that: the Grounding Grids (2) include plating
The width of zinc angle steel, the Zinc-coated angle steel both sides is 50mm, and thickness is 5mm.
6. a kind of grounding net of transformer substation according to claim 1, it is characterised in that: horizontal grounding objects (3) buried depth
0.8m。
7. a kind of grounding net of transformer substation according to claim 1, it is characterised in that: horizontal grounding objects (3) lower surface
It is provided with water conservation oxidant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821480209.2U CN208904237U (en) | 2018-09-10 | 2018-09-10 | A kind of grounding net of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821480209.2U CN208904237U (en) | 2018-09-10 | 2018-09-10 | A kind of grounding net of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208904237U true CN208904237U (en) | 2019-05-24 |
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ID=66571906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821480209.2U Active CN208904237U (en) | 2018-09-10 | 2018-09-10 | A kind of grounding net of transformer substation |
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| CN (1) | CN208904237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507002A (en) * | 2021-06-15 | 2021-10-15 | 新疆瑞特电子工程技术有限公司 | Deep well grounding device for high soil resistivity region |
-
2018
- 2018-09-10 CN CN201821480209.2U patent/CN208904237U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507002A (en) * | 2021-06-15 | 2021-10-15 | 新疆瑞特电子工程技术有限公司 | Deep well grounding device for high soil resistivity region |
| CN113507002B (en) * | 2021-06-15 | 2022-11-15 | 新疆瑞特电子工程技术有限公司 | Deep well grounding device for high soil resistivity region |
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